Mould locking mechanism and injection mould with same

Abstract

The utility model discloses a mold locking mechanism and an injection mold with the mold locking mechanism, and the mold locking mechanism comprises a buckling machine seat and a locking mechanism, a lock rod; the buckle assembly comprises a shell, a buckle piece and a limiting piece, the buckle piece and the limiting piece are arranged in the shell in a spaced mode in the first direction, the buckle piece is suitable for being arranged on the side, facing the first fixing plate, of the limiting piece, in the complete locking state, the lock rod is connected with the buckle piece stretching out of the shell in a clamped mode, and the limiting piece is located in the shell; in the partial unlocking state, the unlocking part abuts against the buckle piece in the second direction, so that the buckle piece is separated from the lock rod; in the complete unlocking state, the lock rod is completely separated from the buckling machine base and the buckling assembly, the buckling machine base is located on the side, away from the lock rod, of the limiting piece, and the limiting piece partially stretches out of the shell to limit the buckling machine base to move towards the lock rod. According to the mold locking mechanism disclosed by the utility model, the number of the mold locking mechanisms on the injection mold can be well reduced, so that the mold locking mechanisms are more convenient and easier to arrange on the injection mold, and the mold locking mechanisms are more convenient to maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field especially is related to a lock die mechanism and injection mould with it. BACKGROUND

[0002] With the continuous development of society, all walks of life will experience different stages in the development cycle, and all walks of life in each stage of social background often have similar development state, and take similar strategies to continue the development process.

[0003] In the process of opening and closing the mold, in order to avoid the collision damage of the slide structure and the row position structure used to form the complex structure such as side cavity and reverse buckle in the injection mold, the front mold plate and the rear mold plate in the injection mold and the panel connected with the injection molding machine need to be opened and closed in a certain order. In the related technology, the injection mold needs to be set with different clamping machines to control the opening and closing of the injection mold respectively, so that the number of locking mechanisms required for the opening and closing of the injection mold is more, and the arrangement in the injection mold is more inconvenient. SUMMARY

[0004] The utility model aims at solving one of the technical problems in the prior art. To this end, the utility model provides a locking mechanism, which can well control the opening and closing sequence of the injection mold, thereby reducing the number of locking mechanism arrangements in the injection mold and making the arrangement of the locking mechanism in the injection mold more convenient.

[0005] The utility model further provides an injection mold with the above locking mechanism.

[0006] According to the mold locking mechanism of the utility model, through setting buckle base, lock rod and buckle assembly, buckle base is provided with unlocking part, buckle assembly includes shell, buckle piece and limiting piece, buckle piece and limiting piece are arranged in shell, lock rod cooperates with buckle piece to connect, buckle base and limiting piece limit in first direction, so that mold locking mechanism can meet the needs of injection mold sequential mold opening and sequential mold closing, and the structure is simple, the number of components is less, thereby can reduce the number of mold locking mechanism on injection mold very well, make injection mold more convenient and easy when arranging mold locking mechanism, and make mold locking mechanism more convenient when maintaining.

[0007] According to the mold locking mechanism of the utility model, through setting buckle base, lock rod and buckle assembly, buckle base is provided with unlocking part, buckle assembly includes shell, buckle piece and limiting piece, buckle piece and limiting piece are arranged in shell, lock rod cooperates with buckle piece to connect, buckle base and limiting piece limit in first direction, so that mold locking mechanism can meet the needs of injection mold sequential mold opening and sequential mold closing, and the structure is simple, the number of components is less, thereby can reduce the number of mold locking mechanism on injection mold very well, make injection mold more convenient and easy when arranging mold locking mechanism, and make mold locking mechanism more convenient when maintaining.

[0008] In some embodiments of the utility model, one end of the limiting piece towards the lock rod is formed with an avoiding notch to avoid the lock rod.

[0009] In some embodiments of the utility model, the shell forms first accommodating cavity and second accommodating cavity, first accommodating cavity and second accommodating cavity are arranged in the first direction, first accommodating cavity has first opening, buckle member is arranged in first accommodating cavity, and one end of buckle member is adapted to stretch out from first accommodating cavity, second accommodating cavity has second opening, limiting member is arranged in second accommodating cavity, and one end of limiting member is adapted to stretch out from second accommodating cavity.

[0010] In an embodiment of the utility model, the buckle assembly further comprises: a first elastic member arranged in the first accommodating cavity, the first elastic member always pushes the buckle member to stretch out of the first opening; and a second elastic member arranged in the second accommodating cavity, the first elastic member always pushes the limiting member to stretch out of the second opening.

[0011] In some examples of the utility model, the shell comprises: a first shell and a second shell arranged along the first direction with the first shell, and cooperatively defining the first accommodating cavity; and a cover plate arranged on a side of the second shell away from the first shell, the cover plate cooperatively defining the second accommodating cavity with the second shell.

[0012] In an example of the utility model, the second shell is detachably connected with the first shell, and the cover plate is detachably connected with the second shell.

[0013] In an example of the utility model, the cover plate is provided with a recess, the recess penetrates the cover plate in the first direction, and the recess is used for avoiding the lock rod.

[0014] In some embodiments of the utility model, the lock rod is provided with a clamping groove and a limiting portion, an opening of the clamping groove faces the buckle assembly in the second direction, in the complete locking state, one end of the buckle member that stretches out of the shell is fitted in the clamping groove, and the limiting portion and the limiting member abut in the second direction to enable the limiting member to be located in the shell.

[0015] In an embodiment of the utility model, in the first direction, a side wall surface of the clamping groove facing the limiting portion is formed with a first guide inclined surface, and the first guide inclined surface extends obliquely towards the limiting portion in a direction from a bottom wall of the clamping groove towards the opening.

[0016] In an embodiment of the utility model, the limiting portion is protruded towards the buckle assembly along the second direction.

[0017] In one embodiment of the utility model, the limiting portion is formed as a second guide inclined surface on the side surface part facing the clamping groove in the first direction, and the second guide inclined surface extends obliquely towards the buckle assembly in the second direction from the clamping groove towards the limiting portion.

[0018] In some embodiments of the utility model, the buckle base is formed with a matching groove, the matching groove extends through the buckle base in the first direction, in the complete locking state and the partial unlocking state, the lock rod extends into the matching groove, and in the complete unlocking state, the lock rod is located outside the matching groove.

[0019] In one embodiment of the utility model, the buckle base comprises two fixed plate segments arranged at intervals in a third direction, the third direction intersects with the first direction and the second direction two by two, a connecting plate segment is arranged on the side of the fixed plate segment away from the buckle assembly in the second direction and is connected with the two fixed plate segments, the connecting plate segment cooperates with the two fixed plate segments to define a matching groove, and the side of the fixed plate segment facing the buckle assembly is formed as the unlocking portion.

[0020] In one embodiment of the utility model, the unlocking portion protrudes towards the buckle assembly in the second direction, and in the first direction, the side surface of the unlocking portion facing the first fixed plate is adapted to be formed with a third guide inclined surface, and in the direction from the buckle member towards the limiting member, the third guide inclined surface extends obliquely towards the buckle assembly in the second direction.

[0021] According to the injection mold of the second aspect of the utility model, the first fixed plate, the front mold plate and the rear mold plate are arranged in sequence along the first direction and are relatively movable along the first direction, the buckle base is fixed on the first fixed plate, the lock rod is fixed on the rear mold plate, the buckle assembly is installed on the front mold plate, the injection mold is switchable between a completely closed mold state, a partially open mold state and a completely open mold state, in the completely closed mold state, the first fixed plate, the front mold plate and the rear mold plate abut two by two in the first direction, the mold locking mechanism is in the complete locking state, in the partially open mold state, the first fixed plate is separated from the front mold plate, the mold locking mechanism is in the partial unlocking state, in the completely open mold state, the mold locking mechanism is in the complete unlocking state, and the first fixed plate, the front mold plate and the rear mold plate are separated from each other.

[0022] According to the injection mold of the utility model, through setting above -mentioned first aspect's locking mechanism, through setting buckle base, lock rod and buckle assembly, buckle base is provided with unlocking part, buckle assembly includes casing, buckle piece and limiting piece, buckle piece and limiting piece are located in the casing, lock rod and buckle piece cooperate with clamping connection, buckle base and limiting piece are in first direction limit cooperation, make locking mechanism can satisfy the need of injection mold sequence mold opening and sequence mold closing simultaneously, and simple structure, the number of parts is few, thereby can good reduce the number of locking mechanism on injection mold, make injection mold more convenient and easy when arranging locking mechanism, and make locking mechanism more convenient when maintaining.

[0023] In some embodiments of the utility model, the front template is provided with a mounting groove, and the buckle assembly is detachably fixed in the mounting groove.

[0024] In some embodiments of the utility model, the number of locking mechanisms is multiple, and the multiple locking mechanisms are arranged along the circumference of the injection mold.

[0025] In some embodiments of the utility model, the injection mold further comprises a limiting structure, and the limiting structure comprises: a limiting groove extending along the first direction and formed in the first fixed plate; and a limiting column extending along the first direction, one end of the limiting column extending into the limiting groove, and the other end of the limiting column being fastened to the front template by a fastener, the limiting column being used to limit the maximum stroke of the first fixed plate moving relative to the front template in the first direction.

[0026] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a schematic view of the injection mold in a fully closed mold state according to an embodiment of the utility model;

[0028] Figure 2 is a schematic view of the injection mold in a fully open mold state according to an embodiment of the utility model;

[0029] Figure 3 is a schematic view of the first fixed plate and the front template according to an embodiment of the utility model;

[0030] Figure 4 is a schematic view of the rear template, the support seat and the ejection assembly according to an embodiment of the utility model;

[0031] Figure 5 is an exploded view of the locking mechanism according to an embodiment of the utility model;

[0032] Figure 6 FIG. 7 is a schematic view of a mold locking mechanism and an injection mold according to an embodiment of the present application in a fully closed mold state from another angle;

[0033] Figure 7 FIG. 7 is a schematic view of a mold locking mechanism and an injection mold according to an embodiment of the present application in a fully closed mold state from another angle;

[0034] Figure 8 FIG. 8 is a schematic view of a mold locking mechanism and an injection mold according to an embodiment of the present application in a fully opened mold state;

[0035] Figure 9 FIG. 8 is a schematic view of a mold locking mechanism and an injection mold according to an embodiment of the present application in a fully opened mold state;

[0036] Reference signs:

[0037] 10, mold locking mechanism;

[0038] 11, buckle base; 1101, matching groove; 1102, unlocking part;

[0039] 12, buckle assembly;

[0040] 121, shell; 1211, first shell; 1212, second shell; 1213, cover plate; 12131, avoiding groove;

[0041] 122, buckle piece; 123, limiting piece; 1231, avoiding notch; 124, first elastic piece; 125, second elastic piece;

[0042] 13, locking rod; 131, clamping groove; 132, limiting part;

[0043] 20, first fixed plate; 21, limiting groove; 22, spade base;

[0044] 30, front mold plate; 31, mounting groove; 32, guide column; 33, line position; 34, limiting column;

[0045] 40, rear mold plate; 41, guide groove; 42, inclined ejector;

[0046] 50, support base; 51, square iron; 52, pad plate; 53, hot runner plate; 54, lower fixed plate; 55, positioning ring;

[0047] 60, ejection assembly; 61, ejector pin bottom plate; 62, ejector pin faceplate;

[0048] 100, injection mold. DETAILED DESCRIPTION

[0049] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0050] First, reference is made to Figures 1-9 A simple description is made to the injection mold 100 according to the second aspect embodiment of the present application, the injection mold 100 comprises a first fixed plate 20, a front mold plate 30 and a rear mold plate 40 arranged in sequence along a first direction (such as Figure 1 Any two of the first fixed plate 20, the front mold plate 30 and the rear mold plate 40 can be relatively moved to realize the sequential mold opening and closing.

[0051] Exemplarily, as shown in Figures 1-9 The first fixed plate 20 is provided with a shovel base 22, the front mold plate 30 is arranged with a row position 33, and the rear mold plate 40 is arranged with an inclined top 42. When the injection mold 100 is in a fully closed mold state, the row position 33 cooperates with the inclined top 42 to form a molding surface of a side hole structure, and the shovel base 22 is connected with the row position 33. At this time, the front mold plate 30 and the rear mold plate 40 are directly opened in the first direction, and the position of the row position 33 and the inclined top 42 will interfere with each other. Therefore, when the injection mold 100 is opened, the relative position of the front mold plate 30 and the rear mold plate 40 remains unchanged, the front mold plate 30 is first relatively away from the first fixed plate 20 in the first direction, so that the shovel base 22 can drive the row position 33 to side core pulling, thereby releasing the cooperation between the row position 33 and the inclined top 42. Then the front panel can be separated from the rear mold plate 40 in the first direction to completely open the mold, and then the subsequent work procedures such as part taking can be carried out.

[0052] When the injection mold 100 is closed, the closing sequence of the front mold plate 30, the rear mold plate 40 and the first fixed plate 20 is opposite to that when the injection mold 100 is opened, that is, the relative position of the first fixed plate 20 and the front mold plate 30 in the first direction remains unchanged, the front mold plate 30 and the rear mold plate 40 are closed, and after the front mold plate 30 and the rear mold plate 40 are closed in place, the first fixed plate 20 is closed with the front mold plate 30, so that the row position 33 is finally moved and cooperates with the inclined top 42 in place.

[0053] Reference is made to Figures 1-9 to describe the mold locking mechanism 10 according to the first aspect embodiment of the present application.

[0054] As Figures 1-9As shown, the locking mechanism 10 according to the first aspect of the present invention includes: a locking base 11, adapted to be installed on a first fixed plate 20, and having an unlocking part 1102; a locking rod 13, adapted to be installed on a rear template 40, the locking rod 13 extending along a first direction; and a latching assembly 12, adapted to be installed on a front template 30, and including a housing 121 and latching members 122 and limiting members 123 spaced apart in the housing 121 in the first direction. The latching members 122 are adapted to be arranged on the side of the limiting members 123 facing the first fixed plate 20, and both the latching members 122 and the limiting members 123 are along a second direction intersecting the first direction (e.g., ...). Figure 5 The locking mechanism 10 is movable (in the left and right directions as shown) to extend out of the housing 121. It can switch between a fully locked state, a partially unlocked state, and a fully unlocked state. In the fully locked state, the locking rod 13 engages with the latching member 122 extending out of the housing 121, the limiting member 123 is located inside the housing 121, and the unlocking part 1102 is located on the side of the latching member 122 facing the locking rod 13 in the first direction. In the partially unlocked state, the unlocking part 1102 abuts against the latching member 122 in the second direction to disengage the latching member 122 from the locking rod 13. In the fully unlocked state, the locking rod 13 is completely separated from the locking base 11 and the latching assembly 12. The locking base 11 is located on the side of the limiting member 123 away from the locking rod 13, and the limiting member 123 extends partially out of the housing 121 to restrict the movement of the locking base 11 toward the locking rod 13.

[0055] In this embodiment, the locking mechanism 10 includes a buckle base 11, a locking rod 13, and a buckle assembly 12. The buckle base 11 is mounted on the first fixing plate 20 and has an unlocking part 1102. The locking rod 13 is mounted on the rear template 40 and extends along a first direction. The buckle assembly 12 is mounted on the front template 30. For example, one end of the buckle base 11 with the unlocking part 1102 can extend along the first direction out of the side surface of the first fixing plate 20 facing the front template 30 so as to cooperate with the buckle assembly 12 on the front template 30. The end of the locking rod 13 facing the first fixing plate 20 can also extend along the first direction out of the side surface of the rear template 40 facing the front template 30 so as to cooperate with the buckle assembly 12.

[0056] The buckle assembly 12 in the embodiment includes buckle members 122 and limit members 123 arranged at intervals in the first direction, the buckle members 122 are arranged on the side of the limit members 123 facing the first fixed plate 20, in the fully locked state, the locking rod 13 is clamped with the buckle members 122 extending out of the shell 121 along the second direction, the structure is simple, the front mold plate 30 and the rear mold plate 40 can be kept in the stable mold closing state through the clamping of the locking rod 13 and the buckle members 122, and the relative position of the front panel and the rear mold plate 40 in the first direction is limited and fixed. Since the buckle members 122 are arranged on the side of the limit members 123 facing the first fixed plate 20, when the locking rod 13 is clamped with the buckle members 122, it needs to pass through the limit members 123 along the first direction, in the fully locked state in the embodiment, the limiting portion 132 is located in the shell 121, which can well avoid the influence of the limiting portion 132 extending out of the shell 121 on the movement of the locking rod 13 or the buckle base 11 and the like.

[0057] In the fully locked state, the unlocking portion 1102 is located on the side of the buckle members 122 facing the locking rod 13 in the first direction, the arrangement is reasonable, which can make the unlocking portion 1102 move towards the buckle members 122 when the first fixed plate 20 moves relative to the front mold plate 30, thereby meeting the cooperation needs of the buckle base 11 and the buckle assembly 12.

[0058] In the partially unlocked state, the unlocking portion 1102 abuts against the buckle members 122 in the second direction to make the buckle members 122 disengage from the locking rod 13, the structure is simple, which makes the unlocking portion 1102 abut against the buckle members 122 in the first direction after the buckle base 11 moves relative to the front mold plate 30 away from the rear mold plate 40 to the position, so that the buckle members 122 can retract into the shell 121, the buckle members 122 disengage from the locking rod 13, thereby unlocking the front mold plate 30 and the rear mold plate 40, and the front mold plate 30 can move relative to the rear mold plate 40 as needed, so that the injection mold 100 can open the mold of the front mold plate 30 and the rear mold plate 40 after the buckle members 122 disengage from the locking rod 13.

[0059] In the fully unlocked state, the lock rod 13 is completely separated from the buckle seat 11 and the buckle assembly 12, so that the front mold plate 30 and the rear mold plate 40 can have a larger space for subsequent operations such as taking out the parts. The buckle seat 11 is on the side of the limiting piece 123 away from the lock rod 13 in the fully unlocked state, and the limiting piece 123 partially protrudes from the shell 121 to limit the movement of the buckle seat 11 towards the lock rod 13. The structure is simple, so that the relative position of the first fixed plate 20 and the front mold plate 30 in the first direction can be kept unchanged by the limiting action of the cooperation of the buckle seat 11 and the limiting piece 123, so that the first fixed plate 20 and the front mold plate 30 in the open mold state can move as a whole towards the rear mold plate 40 when the injection mold 100 is closed, so that the front mold plate 30 and the rear mold plate 40 are first closed, and then the first fixed plate 20 is closed with the front mold plate 30.

[0060] In the embodiment, the buckle seat 11 is installed on the first fixed plate 20, the buckle assembly 12 is installed on the front mold plate 30, and the lock rod 13 is installed on the rear mold plate 40. The lock rod 13 is connected with the buckle piece 122 in the fully locked state, the buckle seat 11 is abutted with the buckle piece 122 through the unlocking part 1102 in the partially unlocked state, and the buckle seat 11 is limited and cooperated with the limiting part 132 in the fully unlocked state. In the process of opening the mold, the front mold plate 30 and the rear mold plate 40 are unlocked by the abutment of the unlocking part 1102 and the buckle piece 122 after the relative movement of the first fixed plate 20 to open the mold, and then the mold is opened again. In the process of closing the mold, the closing of the first fixed plate 20 and the front mold plate 30 is after the closing of the front mold plate 30 and the rear mold plate 40, so that the mold locking mechanism 10 can meet the needs of opening and closing the injection mold 100 in a certain order, thereby reducing the number of mold locking mechanisms 10 arranged in the injection mold 100, and reducing the space occupied by the mold locking mechanism 10 on the injection mold 100, making it more convenient to arrange the mold locking mechanism 10 on the injection mold 100.

[0061] In the embodiment, the mold locking mechanism 10 is provided with the buckle seat 11, the lock rod 13 and the buckle assembly 12, which has a simple structure. The buckle assembly 12 includes the shell 121, the buckle piece 122 and the limiting piece 123 installed on the shell 121, so that the overall structure of the buckle assembly 12 is stable, the installation and fixation of the buckle assembly 12 on the front mold plate 30 is facilitated, the number of components of the mold locking mechanism 10 is less, and the mold locking mechanism 10 is more convenient to arrange in the injection mold 100, and the number of components is less, so that the mold locking mechanism 10 is more convenient to maintain.

[0062] According to the mold locking mechanism 10, the unlocking part 1102 is arranged on the buckle base 11, the buckle assembly 12 comprises a shell 121, a buckle piece 122 and a limiting piece 123, the buckle piece 122 and the limiting piece 123 are arranged in the shell 121, the locking rod 13 is connected with the buckle piece 122 in a matched clamping mode, the buckle base 11 is limited and matched with the limiting piece 123 in the first direction, the mold locking mechanism 10 can meet the needs of the sequential mold opening and the sequential mold closing of the injection mold 100, the structure is simple, the number of components is small, the number of the mold locking mechanism 10 on the injection mold 100 can be reduced, the mold locking mechanism 10 is arranged on the injection mold 100 more conveniently and easily, and the mold locking mechanism 10 is more convenient to maintain.

[0063] In some embodiments of the present application, as shown in Figure 5 and Figure 8 , one end of the limiting piece 123 facing the locking rod 13 can be formed with a avoiding gap 1231 to avoid the locking rod 13.

[0064] In the present embodiment, the avoiding gap 1231 is arranged at one end of the limiting piece 123 facing the locking rod 13, the structure is simple, when the mold locking mechanism 10 switches from the fully unlocked state to the fully locked state, the part of the locking rod 13 matched with the buckle piece 122 can smoothly pass through the avoiding gap 1231 on the limiting piece 123 of the shell 121 to be connected with the buckle piece 122 in a clamping mode, the movement of the locking rod 13 is well avoided by the limiting piece 123, and the buckle assembly 12, the locking rod 13 and the buckle base 11 in the mold locking mechanism 10 can stably cooperate.

[0065] In the present embodiment, the avoiding gap 1231 is arranged on the limiting piece 123 to avoid the locking rod 13, the overall structure arrangement of the locking rod 13 and the buckle assembly 12 in the second direction can be more compact to some extent, the arrangement space of the locking rod 13 and the buckle assembly 12 in the second direction is reduced, the space occupation of the mold locking mechanism 10 on the injection mold 100 is less, and the assembly and arrangement of the mold locking mechanism 10 on the injection mold 100 are more convenient and easy.

[0066] In some embodiments of the present application, as shown in Figure 5 and Figure 8 , the shell 121 can be formed with a first accommodating cavity and a second accommodating cavity, the first accommodating cavity and the second accommodating cavity are arranged in a spaced mode in the first direction, the first accommodating cavity has a first opening, the buckle piece 122 is arranged in the first accommodating cavity, and one end of the buckle piece 122 is adapted to extend out of the first accommodating cavity from the first opening, the second accommodating cavity has a second opening, the limiting piece 123 is arranged in the second accommodating cavity, and one end of the limiting piece 123 is adapted to extend out of the second accommodating cavity from the second opening.

[0067] The housing 121 is formed with a first accommodating cavity and a second accommodating cavity arranged at intervals, the buckle member 122 is arranged in the first accommodating cavity and is adapted to extend out of the first opening of the first accommodating cavity, the limiting member 123 is arranged in the second accommodating cavity and is adapted to extend out of the second opening of the second accommodating cavity, the structure is simple, the buckle member 122 and the limiting member 123 can be conveniently assembled into the housing 121, the first accommodating cavity and the second accommodating cavity can respectively play a good supporting and protecting effect on the buckle member 122 and the limiting member 123 and a good guiding effect, so that the buckle member 122 and the limiting member 123 can stably cooperate with the locking seat 11 and the locking rod 13 to work, and the mold locking mechanism 10 can stably and reliably operate.

[0068] In the fully locked state, the buckle member 122 extends out of the first opening and is connected with the locking rod 13 in a clamping mode, and the limiting member 123 is located in the second accommodating cavity and does not extend out of the second opening; in the partially unlocked state, the unlocking part 1102 of the locking seat 11 abuts against the buckle member 122 in the second direction, and the buckle member 122 is pushed into the first accommodating cavity under the abutting and pushing action of the unlocking part 1102; and in the fully unlocked state, the limiting member 123 extends out of the second opening to limit the movement of the locking seat 11 towards the locking rod 13.

[0069] In an embodiment of the utility model, referring to Figure 5 and Figure 8 The buckle assembly 12 can further include a first elastic member 124 and a second elastic member 125, the first elastic member 124 is arranged in the first accommodating cavity and always pushes the buckle member 122 to extend out of the first opening, and the second elastic member 125 is arranged in the second accommodating cavity and always pushes the limiting member 123 to extend out of the second opening.

[0070] In the embodiment, the first elastic member 124 is arranged in the first accommodating cavity and always pushes the buckle member 122 to extend out of the first opening, and exemplarily, the first elastic member 124 can extend in the second direction and two ends thereof are respectively connected with or abut against the buckle member 122 and the wall surface of the first accommodating cavity. The second elastic member 125 is arranged in the second accommodating cavity and always pushes the limiting member 123 to extend out of the second opening, and exemplarily, the second elastic member 125 can extend in the second direction and two ends thereof are respectively connected with or abut against the limiting member 123 and the wall surface of the first accommodating cavity.

[0071] During the operation of the mold locking mechanism 10, the first elastic member 124 always pushes the buckle member 122 to extend out of the first opening, so that when the mold locking mechanism 10 is in a fully locked state, the buckle member 122 and the lock rod 13 can be stably and reliably in a clamped connection state through the first elastic member 124, so that the front mold plate 30 and the rear mold plate 40 can be stably and reliably clamped and molded before the unlocking part 1102 of the buckle base 11 driven by the first fixing plate 20 abuts against the buckle member 122, so that the mold locking mechanism 10 can stably realize the sequential mold opening of the injection mold 100. Similarly, the limiting member 123 can be stably limited from moving along the first direction towards the lock rod 13 under the action of the second elastic member 125 in a fully unlocked state, so that the mold locking mechanism 10 can stably realize the sequential mold closing of the injection mold 100, so that the mold locking mechanism 10 can stably and reliably meet the needs of the sequential mold opening and the sequential mold closing of the injection mold 100. Optionally, the first elastic member 124 and the second elastic member 125 can be square springs, so that the first elastic member 124 and the second elastic member 125 can operate more stably and reliably.

[0072] In some examples of the present application, as shown in Figure 5 and Figure 8 The shell 121 can include a first shell 1211, a second shell 1212, and a cover plate 1213. The second shell 1212 is arranged along the first direction with the first shell 1211, and cooperates to define a first accommodating cavity. The cover plate 1213 is arranged on the side of the second shell 1212 away from the first shell 1211, and cooperates with the second shell 1212 to define a second accommodating cavity.

[0073] In the present embodiment, the shell 121 includes a first shell 1211, a second shell 1212, and a cover plate 1213. The second shell 1212 cooperates with the first shell 1211 to define a first accommodating cavity, and the cover plate 1213 cooperates with the second shell 1212 to define a second accommodating cavity. The structure is simple and easy to assemble. The first shell 1211, the second shell 1212, and the cover plate 1213 can be formed by cooperating the first shell 1211 with the second shell 1212 and cooperating the second shell 1212 with the cover plate 1213, so that the structure of the first shell 1211, the second shell 1212, and the cover plate 1213 is relatively simple, and the shell 121 is easy to process.

[0074] The second shell 1212 cooperates with the first shell 1211 to form the first accommodating cavity and cooperates with the cover plate 1213 to form the second accommodating cavity, so that the overall structure of the shell 121 is relatively compact in the first direction, thereby reducing the space occupation of the buckle assembly 12 on the injection mold 100, and the assembly of the mold locking mechanism 10 on the injection mold 100, especially the assembly on some complex molds, can well reduce the influence on the arrangement of other parts, thereby facilitating the assembly and arrangement of the mold locking mechanism 10 on the injection mold 100.

[0075] In one example of the utility model, the second shell 1212 is detachably connected with the first shell 1211, and the cover plate 1213 is detachably connected with the second shell 1212.

[0076] In the embodiment, the second shell 1212 is detachably connected with the first shell 1211, and the cover plate 1213 is detachably connected with the second shell 1212, so that the buckle assembly 12 is simple in structure and convenient to assemble and disassemble, and the buckle assembly 12 is convenient and easy to maintain and replace subsequently. For example, the second shell 1212 and the first shell 1211 can be connected by clamping or fastening, and the cover plate 1213 and the second shell 1212 can be connected by clamping or fastening.

[0077] In some specific embodiments of the utility model, as shown in Figure 5 In some specific embodiments of the utility model, as shown in

[0078] In the embodiment, the first shell 1211 and the second shell 1212 are fastened by fasteners, so that the first shell 1211 and the second shell 1212 are more stable and firm in assembly and fixing, convenient to assemble and disassemble, and can cooperate to form a stable first accommodating cavity to accommodate the buckle 122 and the first elastic member 124. In the embodiment, the second shell 1212 and the cover plate 1213 are fastened by fasteners, so that the second shell 1212 and the cover plate 1213 are more stable and firm in assembly and fixing, convenient to assemble and disassemble, and can cooperate to form a stable second accommodating cavity to accommodate the limiting member 123 and the second elastic member 125. Optionally, the fastener can be a countersunk bolt or a flat head screw, which can reduce the space occupation of the fastener outside the shell 121, so that the overall structure of the buckle assembly 12 is more compact and occupies less space, thereby facilitating the installation of the buckle assembly 12 on the front mold plate 30. Exemplarily, the first shell 1211 and the second shell 1212 can be fastened by two countersunk bolts, and the second shell 1212 and the cover plate 1213 can be fastened by four flat head screws.

[0079] In one example of the utility model, reference Figure 5 and Figure 8 As shown, the cover plate 1213 can be provided with a recess 12131, the recess 12131 penetrates the cover plate 1213 in the first direction, and the recess 12131 is used for avoiding the lock rod 13.

[0080] In the embodiment, the cover plate 1213 is provided with the recess 12131, the recess 12131 is used for avoiding the lock rod 13, the structure is simple, the buckle assembly 12 and the lock rod 13 can be stably cooperated, and the overall structure arrangement of the lock rod 13, the buckle assembly 12 and the clamping base 11 can be more compact to some extent, and the mold locking mechanism 10 is more convenient and easy to assemble on the injection mold 100.

[0081] In some embodiments of the utility model, reference Figure 5 , Figure 8 and Figure 9 As shown, the lock rod 13 can be provided with a clamping groove 131 and a limiting portion 132, the opening of the clamping groove 131 faces the buckle assembly 12 in the second direction, in the complete locking state, one end of the buckle piece 122 extending out of the shell 121 is matched in the clamping groove 131, and the limiting portion 132 and the limiting piece 123 abut in the second direction, so that the limiting piece 123 is located in the shell 121.

[0082] In the embodiment, the lock rod 13 is provided with the clamping groove 131 and the limiting portion 132, the opening of the clamping groove 131 faces the buckle assembly 12 in the second direction, the structure is simple, the cooperation of the lock rod 13 and the buckle assembly 12 can be met, in the complete locking state, one end of the buckle piece 122 extending out of the shell 121 is matched in the clamping groove 131, the lock rod 13 and the buckle piece 122 are clamped, at the same time, the limiting portion 132 and the limiting piece 123 abut in the second direction to make the limiting piece 123 located in the shell 121, the structure is simple, and the operation of the mold locking mechanism 10 can be well met.

[0083] In the complete locking state, the buckle piece 122 is stably matched with the clamping groove 131 under the action of the first elastic piece 124, the front mold plate 30 and the rear mold plate 40 are clamped through the lock rod 13 and the buckle piece 122, the limiting portion 132 of the lock rod 13 and the limiting piece 123 abut, and the limiting piece 123 can be stably located in the second accommodating cavity under the action of the limiting portion 132 and overcoming the elastic force of the second elastic piece 125.

[0084] When the injection mold 100 is opened, the clamping mechanism 10 is switched from the full locking state to the partial unlocking state and the full unlocking state in turn, the first fixed plate 20 moves away from the back mold plate 40 along the first direction relative to the front mold plate 30, the unlocking part 1102 of the buckle base 11 moves towards the buckle piece 122, and the unlocking part 1102 gradually moves to abut the buckle piece 122 in the second direction, so that the buckle piece 122 is retracted into the first accommodating cavity under the action of the unlocking part 1102 and overcomes the elastic force of the first elastic piece 124 when the clamping mechanism 10 is in the partial unlocking state, and the buckle piece 122 is separated from the buckle groove 131. Since the relative position of the front mold plate 30 and the back mold plate 40 does not change at this time, the locking rod 13 is in the position of being clamped and matched with the buckle piece 122. The front mold plate 30 moves away from the back mold plate 40, and the locking rod 13 moves away from the buckle assembly 12. In the full unlocking state, the limiting piece 123 extends out of the shell 121 under the action of the second elastic piece 125, and the injection mold 100 can be operated subsequently.

[0085] When the injection mold 100 is opened, the first fixed plate 20 moves towards the back mold plate 40 relative to the front mold plate 30, the buckle base 11 is limited and matched with the limiting piece 123 in the second direction, and the side wall surface of the buckle base 11 towards the back mold plate 40 can be abutted and limited with the side surface of the limiting piece 123 towards the buckle base 11, so that the relative position of the first fixed plate 20 and the front mold plate 30 in the first direction is fixed, so that the first fixed plate 20 and the front mold plate 30 as a whole move towards the back mold plate 40 relative to the back mold plate 40. When the front mold plate 30 and the back mold plate 40 abut and close, the clamping mechanism 10 is in the partial unlocking state, the limiting part 132 of the locking rod 13 abuts with the limiting piece 123, so that the limiting piece 123 is retracted into the second accommodating cavity, thereby releasing the limiting of the limiting piece 123 to the buckle base 11 in the first direction, so that the first fixed plate 20 can move towards the back mold plate 40 relative to the front mold plate 30. The unlocking part 1102 of the buckle base 11 gradually separates from the buckle piece 122 with the movement of the first fixed plate 20, so that in the full locking state, the buckle piece 122 extends out of the first opening and is matched with the buckle groove 131, so that the front mold plate 30 and the back mold plate 40 are clamped.

[0086] In an embodiment of the utility model, refer to Figure 5 and Figure 8 As shown in the figure, in the first direction, the side wall surface of the buckle groove 131 towards the limiting part 132 can be formed with a first guide inclined surface, and the first guide inclined surface extends obliquely towards the limiting part 132 in the direction from the bottom wall of the buckle groove 131 towards the opening.

[0087] The first guide inclined surface is inclined to extend towards the buckle assembly 12, and the structure is simple, so that when the locking rod 13 moves towards the front mold plate 30, the limiting piece 123 extending out of the shell 121 can be stably moved away from the locking rod 13 along the second direction under the action of the second guide inclined surface, so that the limiting piece 123 can be stably pushed by the limiting portion 132 to retract into the second accommodating cavity, thereby releasing the limiting of the buckle base 11 by the limiting piece 123. Optionally, the end of the limiting piece 123 towards the locking rod 13 can also be matched to form a matching inclined surface, so that when the limiting portion 132 and the limiting piece 123 abut and cooperate, the limiting portion 132 and the limiting piece 123 can be abutted and cooperated through the second guide inclined surface and the first guide inclined surface, so that the overall structure arrangement of the locking rod 13 and the limiting piece 123 in the second direction can be more compact to a certain extent.

[0088] In one embodiment of the utility model, as shown in Figure 5 and Figure 8 , the limiting portion 132 can protrude towards the buckle assembly 12 along the second direction.

[0089] In the embodiment, the limiting portion 132 is arranged to protrude towards the buckle assembly 12 along the second direction, and the structure is simple, so that the limiting portion 132 can stably push the limiting piece 123 to move to release the limiting of the limiting portion 132 of the buckle base 11 in the first direction during the movement of the locking rod 13 along the first direction, thereby meeting the need of abutting and cooperating with the limiting piece 123.

[0090] In one embodiment of the utility model, as shown in Figure 5 , Figure 8 and Figure 9 , the side surface of the limiting portion 132 towards the buckle slot 131 in the first direction can be partially formed into a second guide inclined surface, and the second guide inclined surface is inclined to extend towards the buckle assembly 12 in the direction from the buckle slot 131 towards the limiting portion 132.

[0091] In the embodiment, the side surface of the limiting portion 132 towards the buckle slot 131 is partially formed into a second guide inclined surface, and the second guide inclined surface is inclined to extend towards the buckle assembly 12, and the structure is simple, so that when the locking rod 13 moves towards the front mold plate 30, the limiting piece 123 extending out of the shell 121 can be stably moved away from the locking rod 13 along the second direction under the action of the second guide inclined surface, so that the limiting portion 132 can stably push the limiting piece 123 to retract into the second accommodating cavity, thereby releasing the limiting of the buckle base 11 by the limiting piece 123. Optionally, the end of the limiting piece 123 towards the locking rod 13 can also be matched to form a matching inclined surface, so that when the limiting portion 132 and the limiting piece 123 abut and cooperate, the limiting portion 132 and the limiting piece 123 can be abutted and cooperated through the second guide inclined surface and the first guide inclined surface, so that the overall structure arrangement of the locking rod 13 and the limiting piece 123 in the second direction can be more compact to a certain extent.

[0092] In some embodiments of the utility model, such as Figure 5 And Figure 8 As shown in the figure, the buckle base 11 can be formed with a matching groove 1101, the matching groove 1101 penetrates the buckle base 11 along the first direction, the lock rod 13 extends into the matching groove 1101 in the fully locked state and the partially unlocked state, and the lock rod 13 is located outside the matching groove 1101 in the fully unlocked state.

[0093] In the embodiment, the buckle base 11 is provided with the matching groove 1101, the matching groove 1101 penetrates the buckle base 11 along the first direction, and the lock rod 13 extends into the matching groove 1101 in the fully locked state and the partially unlocked state, so that the structure is simple, the lock rod 13 and the buckle base 11 have a larger cooperation operation space when cooperating, the overall structure arrangement of the lock rod 13 and the buckle base 11 is more compact, the overall structure arrangement of the mold locking mechanism 10 arranged on the injection mold 100 can be more compact and concentrated, only a smaller area needs to be drawn on the injection mold 100 to meet the arrangement needs of the mold locking mechanism 10, and therefore the mold locking mechanism 10 arranged on the injection mold 100 is more convenient and easy.

[0094] In the embodiment, the matching groove 1101 penetrates the buckle base 11 along the first direction, the structure is simple, the matching groove 1101 can be conveniently machined and formed in the buckle base 11, and the buckle base 11 is more convenient to machine.

[0095] In an embodiment of the utility model, as shown in Figure 5 As shown in the figure, the buckle base 11 can include two fixed plate segments arranged at intervals in the third direction (such as the front-back direction shown in Figure 5 The third direction intersects with the first direction and the second direction two by two; the connecting plate segment is arranged on the side of the fixed plate segment away from the buckle assembly 12 in the second direction, and is connected with the two fixed plate segments, the connecting plate segment cooperates with the two fixed plate segments to define the matching groove 1101, and the side of the fixed plate segment facing the buckle assembly 12 forms the unlocking part 1102.

[0096] In the embodiment, the buckle base 11 includes two fixed plate segments arranged at intervals in the third direction, the side of the fixed plate segment facing the buckle assembly 12 forms the unlocking part 1102, the connecting plate segment is connected with the two fixed plate segments and cooperates to define the matching groove 1101, the structure is simple, and the use needs of the buckle base 11 can be well met. In the embodiment, the unlocking part 1102 on the two fixed plate segments can stably push the buckle piece 122 to move in the third direction, so that the buckle piece 122 and the clamping groove 131 can stably disengage.

[0097] In this embodiment, the third direction intersects the first direction and the second direction in pairs, which is intended to show that the first direction and the second direction can be arranged perpendicularly or only intersecting and not perpendicularly, that is, intersecting at an acute angle or an obtuse angle. The first direction and the third direction can be arranged perpendicularly or only intersecting and not perpendicularly, that is, intersecting at an acute angle or an obtuse angle. The second direction and the third direction can be arranged perpendicularly or only intersecting and not perpendicularly, that is, intersecting at an acute angle or an obtuse angle.

[0098] In one embodiment of this utility model, reference is made to Figure 5 and Figure 8 As shown, the unlocking part 1102 can protrude toward the latching assembly 12 in the second direction. In the first direction, the surface of the unlocking part 1102 facing the first fixing plate 20 is adapted to form a third guide slope. In the direction from the latching member 122 toward the limiting member 123, the third guide slope extends obliquely toward the latching assembly 12 in the second direction.

[0099] In this embodiment, the unlocking part 1102 protrudes towards the buckle assembly 12 along the second direction, which is simple in structure and can meet the needs of the unlocking part 1102 and the buckle 122 working together. A third guide slope is formed on the side surface of the unlocking part 1102 facing the first fixing plate 20. The third guide slope extends obliquely towards the buckle assembly 12, which is simple in structure. When the unlocking part 1102 of the buckle base 11 moves towards the buckle assembly 12 along the first direction, the buckle 122 can move stably away from the locking rod 13 along the second direction under the action of the third guide slope. This allows the buckle 122 to be stably separated from the slot 131 under the push of the buckle base 11. During the mold opening process of the injection mold 100, the front template 30 and the rear template 40 can unlock the buckle 122 and the slot 131 at the same time as the first fixing plate 20 and the front template 30 open the mold, so that the front template 30 and the rear template 40 can continue to open the mold smoothly.

[0100] The following is for reference. Figures 1-9 Description of an injection mold 100 according to a second aspect embodiment of the present invention.

[0101] like Figures 1-9 As shown, the injection mold 100 according to an embodiment of the present invention includes: a first fixing plate 20, a front template 30 and a rear template 40, and a mold locking mechanism 10 according to a first aspect embodiment of the present invention.

[0102] Specifically, the first fixed plate 20 is arranged in sequence with the front mold plate 30 and the rear mold plate 40 along the first direction and is movable relative to the front mold plate 30 and the rear mold plate 40 along the first direction; the clamping seat 11 is fixed on the first fixed plate 20, the locking rod 13 is fixed on the rear mold plate 40, the buckle assembly 12 is installed on the front mold plate 30, and the injection mold 100 is switchable between a fully closed mold state, a partially open mold state and a fully open mold state; in the fully closed mold state, the first fixed plate 20 abuts against the front mold plate 30 and the rear mold plate 40 in pairs along the first direction, and the mold locking mechanism 10 is in a fully locked state; in the partially open mold state, the first fixed plate 20 is separated from the front mold plate 30, and the mold locking mechanism 10 is in a partially unlocked state; and in the fully open mold state, the mold locking mechanism 10 is in a fully unlocked state, and the first fixed plate 20, the front mold plate 30 and the rear mold plate 40 are separated from each other.

[0103] In the embodiment, the first fixed plate 20 is movable relative to the front mold plate 30 and the rear mold plate 40 along the first direction, which can well meet the use needs of the injection mold 100; the injection mold 100 is switchable between the fully closed mold state, the partially open mold state and the fully open mold state; in the fully closed mold state, the first fixed plate 20 abuts against the front mold plate 30 and the rear mold plate 40 in pairs, so that the injection mold 100 can perform injection molding work; in the partially open mold state, the first fixed plate 20 is separated from the front mold plate 30, so that side core pulling is realized and the row position 33 and the inclined ejector pin 42 are prevented from being damaged by collision in the subsequent mold opening process; and in the fully open mold state, the front mold plate 30 is separated from the mold plate, so that the injection mold 100 can perform work such as part taking.

[0104] According to the injection mold 100 of the embodiment of the utility model, the mold locking mechanism 10 of the above first aspect embodiment is arranged, the clamping seat 11, the locking rod 13 and the buckle assembly 12 are arranged, the clamping seat 11 is provided with the unlocking part 1102, the buckle assembly 12 includes the shell 121, the buckle piece 122 and the limiting piece 123, the buckle piece 122 and the limiting piece 123 are arranged in the shell 121, the locking rod 13 is connected with the buckle piece 122 in cooperation and clamping, the clamping seat 11 is limited and matched with the limiting piece 123 along the first direction, so that the mold locking mechanism 10 can meet the needs of sequential mold opening and sequential mold closing of the injection mold 100 at the same time, the structure is simple, the number of components is small, thereby the number of the mold locking mechanism 10 on the injection mold 100 can be well reduced, the injection mold 100 is more convenient and easy to arrange the mold locking mechanism 10, and the mold locking mechanism 10 is more convenient to maintain.

[0105] In some embodiments of the utility model, referring to Figure 8 As shown in the figure, the front mold plate 30 is provided with a mounting groove 31, and the buckle assembly 12 is detachably fixed in the mounting groove 31.

[0106] The front template 30 is provided with a mounting groove 31 in the embodiment, and the buckle assembly 12 is detachably fixed in the mounting groove 31, so that the space occupation of the buckle assembly 12 outside the front template 30 can be reduced, thereby reducing the space occupation of the mold locking mechanism 10 on the injection mold 100, and facilitating the arrangement of the mold locking mechanism 10 on the injection mold 100. The buckle assembly 12 is detachably fixed in the mounting groove 31, so that the structure is simple, stable and reliable, and convenient to disassemble and assemble, and the buckle assembly 12 is more convenient to maintain and replace.

[0107] In some embodiments of the utility model, referring to Figure 3 and Figure 4 It is shown that the number of mold locking mechanisms 10 is multiple, and the multiple mold locking mechanisms 10 are arranged along the circumference of the injection mold 100.

[0108] The number of mold locking mechanisms 10 is multiple in the embodiment, and the multiple mold locking mechanisms 10 are arranged along the circumference of the injection mold 100, so that the structure is simple, the mold locking mechanisms 10 cooperate to more stably and reliably control the mold opening sequence and mold closing sequence of the injection mold 100, and the operation of the injection mold 100 is more stable. For example, the number of mold locking mechanisms 10 can be two, three, four or the like, and the number of mold locking mechanisms 10 can be reasonably set according to needs, for example, when the injection mold 100 is a small and simple injection mold 100, two mold locking mechanisms 10 can meet the needs.

[0109] In some embodiments of the utility model, referring to Figure 2 and Figure 8 It is shown that the injection mold 100 can further include a limiting structure, and the limiting structure includes: a limiting groove 21 and a limiting column 34, the limiting groove 21 extends along the first direction and is formed in the first fixed plate 20; the limiting column 34 extends along the first direction, one end of the limiting column 34 extends into the limiting groove 21, and the other end of the limiting column 34 is fastened and connected with the front template 30 through a fastener, and the limiting column 34 is used for limiting the maximum stroke of the first fixed plate 20 moving relative to the front template 30 in the first direction.

[0110] The limiting groove 21 is arranged on the first fixed plate 20 in the embodiment, the limiting column 34 is limited and fastened with the limiting groove 21 in the first direction and is fastened with the front template 30, and the first fixed plate 20 is limited to the maximum stroke for limiting the movement of the first fixed plate 20 relative to the front template 30, when the first fixed plate 20 is switched from the fully closed mold state to the partially open mold state, the first fixed plate 20 can be stably moved to the position of the maximum stroke under the action of the limiting column 34 relative to the front template 30, and the relative position of the first fixed plate 20 and the front template 30 in the first direction is fixed, so that the first fixed plate 20 can always keep the same positional relationship with the front template 30 when the injection mold 100 is in the partially open mold state, which can improve the stability of the injection mold 100 during long-term operation, and stably cooperate the first fixed plate 20 with the front template 30 and the rear template 40.

[0111] When the injection mold 100 is switched from the partially open mold state to the fully open mold state, the front template 30 and the first fixed plate 20 are integrally moved under the limiting action of the limiting column 34, which can well cooperate with the mold locking mechanism 10 to continue the mold opening operation of the front template 30 and the rear template 40, thereby well avoiding manual operation, so that the injection mold 100 can automatically perform the sequential mold opening operation, and the needs of the sequential mold opening of the injection mold 100 can be well met, and the injection mold 100 can operate more stably and efficiently.

[0112] In some embodiments of the utility model, the buckle base 11 is detachably connected with the first fixed plate 20, the lock rod 13 is detachably connected with the rear template 40, and the buckle assembly 12 is detachably connected with the front template 30.

[0113] In the embodiment, the buckle base 11 is detachably connected with the first fixed plate 20, the lock rod 13 is detachably connected with the rear template 40, and the buckle assembly 12 is detachably connected with the front template 30, so that the structure is simple, the mold locking mechanism 10 is more firmly assembled and fixed on the injection mold 100, and the mold locking mechanism 10 is more convenient and easy to maintain and replace. Optionally, the buckle base 11 can be fastened with the first fixed plate 20 through a plurality of fasteners, the buckle assembly 12 can be fastened with the front template 30 through a plurality of fasteners, and the lock rod 13 can be fastened with the rear template 40 through a plurality of fasteners, and the fastener can be a screw.

[0114] In some embodiments of the utility model, referring to Figure 3 and Figure 4 As shown, one of the front template 30 and the rear template 40 is provided with a guide column 32 and the other is provided with a guide groove 41, the guide column 32 extends along the first direction, and the front template 30 and the rear template 40 are guided and matched through the guide column 32 and the guide groove 41.

[0115] One of the front template 30 and the rear template 40 is provided with a guide column 32 and the other is provided with a guide groove 41, the guide column 32 and the guide groove 41 cooperate to guide the front template 30 and the rear template 40, the structure is simple, the front template 30 and the rear template 40 can be relatively moved along the first direction more stably, so that the injection mold 100 can stably carry out the opening and closing operation. Optionally, the front template 30 is provided with the guide column 32, the rear template 40 is provided with the guide groove 41, the number of the guide column 32 is multiple, the multiple guide columns 32 are arranged along the circumference of the front template 30, and the guide groove 41 is correspondingly provided with multiple guide grooves 41, so that the multiple guide columns 32 and the multiple guide grooves 41 can cooperate to play a more stable guiding role.

[0116] In some embodiments of the utility model, as shown in Figure 1 and Figure 2 The injection mold 100 can further include a support base 50 and an ejection assembly 60, the support base 50 is arranged on the side of the rear template 40 away from the front template 30, the rear template 40 is installed on the support base 50, and the ejection assembly 60 is installed on the support base 50 and used for ejecting the injection molded part.

[0117] In the embodiment, the support base 50 is arranged, the ejection assembly 60 and the rear template 40 are installed on the support base 50, the use requirement of the injection mold 100 can be met, the ejection assembly 60 is arranged, the injection molded part after injection molding can be conveniently taken out, and the injection mold 100 can stably operate.

[0118] The other constitution and operation of the injection mold 100 in the embodiments of the utility model are known to those skilled in the art, and will not be described in detail here.

[0119] The injection mold 100 according to one specific embodiment of the utility model will be described below with reference to Figures 1-9 .

[0120] As shown in Figures 1-9 , the injection mold 100 includes a clamping mechanism 10, a limiting structure, a first fixed plate 20, a front template 30, a rear template 40, a support base 50 and an ejection assembly 60.

[0121] The first fixed plate 20, the front template 30, the rear template 40 and the support base 50 are sequentially arranged along the first direction, the first fixed plate 20 is installed with a shovel base 22, the front template 30 is installed with a row position 33, the row position 33 is in transmission cooperation with the shovel base 22, the rear template 40 is installed with an inclined ejector pin 42, the front template 30 is provided with four guide columns 32, the four guide columns 32 are arranged along the circumference, the rear template 40 is correspondingly provided with four guide grooves 41, the limiting structure includes a limiting groove 21 formed on the first fixed plate 20 and a limiting column 34, one end of the limiting column 34 extends into the limiting groove 21 and the other end is fastened and connected with the front template 30 through a fastener.

[0122] The support base 50 can include a square iron 51, a backing plate 52, a hot runner plate 53, a lower fixed plate 54, a positioning ring 55 and the like arranged in sequence along the first direction to meet the operation needs of the injection mold 100, the rear mold plate 40 is installed on the square iron 51, the ejection assembly 60 is installed on the backing plate 52 and located between the plurality of square irons 51, and is used to eject the molded injection molded part, the ejection assembly 60 includes a ejector pin bottom plate 61 and an ejector pin face plate 62.

[0123] The mold locking mechanism 10 includes a buckle base 11, a buckle assembly 12 and a locking rod 13. The buckle base 11 is fastened to the first fixed plate 20 by four screws, the buckle base 11 extends out of the side surface of the first fixed plate 20 facing the front mold plate 30 along the first direction, the buckle base 11 includes two fixed plate segments and a connecting plate segment, the two fixed plate segments cooperate with the connecting plate segment to define a cooperating groove 1101 extending through the buckle base 11 along the first direction, the fixed plate segment is formed with an unlocking portion 1102, the unlocking portion 1102 is protruded towards the first fixed plate 20 in the second direction.

[0124] The front mold plate 30 is provided with a mounting groove 31, and the buckle assembly 12 is fastened and installed in the mounting groove 31 by four screws. The buckle assembly 12 includes a housing 121, a buckle 122, a limiting piece 123, a first elastic piece 124 and a second elastic piece 125, the housing 121 includes a first shell 1211, a second shell 1212 and a cover plate 1213, the first shell 1211 is fastened and connected with the second shell 1212, the second shell 1212 is fastened and connected with the cover plate 1213, and the first shell 1211, the second shell 1212 and the cover plate 1213 are integrally fastened and installed in the mounting groove 31 by fasteners. The side of the first shell 1211 facing the second shell 1212 is provided with a receiving groove, the first shell 1211 cooperates with the second shell 1212 to form a first receiving cavity, the side of the second shell 1212 away from the first shell 1211 is provided with a receiving groove, the cover plate 1213 cooperates with the second shell 1212 to form a second receiving cavity, the first elastic piece 124 and the second elastic piece 125 are both square springs and are respectively arranged in the first receiving cavity and the second receiving cavity, two first elastic pieces 124 are arranged in the first receiving cavity, the two first elastic pieces 124 are arranged in the third direction, two second elastic pieces 125 are arranged in the second receiving cavity, the two second elastic pieces 125 are arranged in the third direction, and the buckle 122 and the limiting piece 123 can be correspondingly provided with limiting holes, so that the first elastic piece 124 and the second elastic piece 125 can be stably deformed along the second direction.

[0125] The locking rod 13 is provided with a clamping groove 131 and a limiting portion 132, and in the fully locked state of the mold locking mechanism 10, the buckle 122 extends out of the housing 121 and into the clamping groove 131 to be clamped with the locking rod 13, and the limiting portion 132 abuts against the limiting piece 123 to make the limiting piece 123 in the second receiving cavity.

[0126] When the injection mold 100 is in the fully closed state, the front mold plate 30 and the rear mold plate 40 are clamped and fixed by the lock rod 13 and the buckle 122, and the first fixed plate 20 abuts against the front mold plate 30. When the injection mold 100 is opened, the front mold plate 30 and the rear mold plate 40 can move away from the first fixed plate 20 as a whole under the clamping action of the lock rod 13 and the buckle 122. After the first fixed plate 20 moves a certain distance relative to the front mold plate 30, the first fixed plate 20 moves to the maximum stroke relative to the front mold plate 30, the limiting column 34 limits the first fixed plate 20 and the front mold plate 30, and at the same time the unlocking part 1102 abuts against the buckle 122, so that the lock rod 13 and the buckle 122 are separated. At this time, the mold locking mechanism 10 is in a partially unlocked state, the injection mold 100 is in a partially opened state, the front mold plate 30 and the rear mold plate 40 can move relatively, and the relative position of the first fixed plate 20 and the front mold plate 30 is fixed. Then the rear mold plate 40 continues to move relative to the front mold plate 30, so that the front mold plate 30 and the rear mold plate 40 are opened, the lock rod 13 gradually moves away from the buckle assembly 12, and after the rear mold plate 40 moves a certain distance, the injection mold 100 is completely opened, the mold locking mechanism 10 is in a completely unlocked state, the limiting part 123 extends out of the shell 121 and abuts against the mold base 11 in the first direction, the ejector pin face plate 62 and the ejector pin bottom plate 61 eject the molded injection part, and after the ejector pin assembly is reset, the injection mold 100 starts to close. The first fixed plate 20 and the front mold plate 30 remain in the opened state under the action of the mold base 11 and the limiting part 123, the rear mold plate 40 moves towards the front mold plate 30 to close with the front mold plate 30, and when the front mold plate 30 and the rear mold plate 40 abut against each other, the front mold plate 30 and the rear mold plate 40 are completely closed, the limiting part 123 of the lock rod 13 abuts against the limiting part 123, and the unlocking of the mold base 11 and the limiting part 123 is limited. At this time, the injection mold 100 is in a partially opened state, the mold locking mechanism 10 is in a partially unlocked state, the front mold plate 30 and the rear mold plate 40 move as a whole towards the first fixed plate 20, so that the unlocking part 1102 of the mold base 11 gradually moves away from the buckle 122, the shoveling base 22 drives the row position 33 to move and reset, and when the front mold plate 30 abuts against the first fixed plate 20, the buckle 122 extends into the clamping groove 131 and clamps the lock rod 13. The injection mold 100 is in a completely closed state, the mold locking mechanism 10 is in a completely locked state, and the injection mold 100 can continue to produce injection parts.

[0127] The embodiment sets the buckle base 11, the lock rod 13 and the buckle assembly 12, the buckle base 11 is provided with an unlocking part 1102, the buckle assembly 12 comprises a shell 121, a buckle piece 122 and a limiting piece 123, the buckle piece 122 and the limiting piece 123 are arranged in the shell 121, the lock rod 13 is connected with the buckle piece 122 in cooperation, the buckle base 11 is limitedly matched with the limiting piece 123 in the first direction, so that the mold locking mechanism 10 can meet the needs of sequential mold opening and sequential mold closing of the injection mold 100, and the structure is simple, the number of components is small, so that the number of mold locking mechanisms 10 on the injection mold 100 can be greatly reduced, the injection mold 100 is more convenient and easy to arrange the mold locking mechanism 10, and the mold locking mechanism 10 is more convenient to maintain.

[0128] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0129] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0130] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0131] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without mutual contradiction.

[0132] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A mold-locking mechanism, characterized in that, For injection molds, the injection mold includes a first fixed plate (20), a front template (30), and a rear template (40) arranged sequentially along a first direction. Any two of the first fixed plate (20), the front template (30), and the rear template (40) can move relative to each other to achieve sequential mold opening and closing. The mold locking mechanism includes: The fastener base (11) is adapted to be installed on the first fixing plate (20) and has an unlocking part (1102); A locking rod (13) is adapted to be installed on the rear template (40), the locking rod (13) extending along the first direction; A snap-fit ​​assembly (12), adapted to be installed on the front template (30), includes a housing (121) and snap-fit ​​members (122) and limiting members (123) spaced apart within the housing (121) in the first direction. The snap-fit ​​members (122) are adapted to be arranged on the side of the limiting members (123) facing the first fixing plate (20). Both the snap-fit ​​members (122) and the limiting members (123) are movable along a second direction intersecting the first direction to extend out of the housing (121). The locking mechanism can switch between a fully locked state, a partially unlocked state, and a fully unlocked state. In the fully locked state, the locking rod (13) engages with the latching member (122) extending from the housing (121), the limiting member (123) is located inside the housing (121), and the unlocking part (1102) is located on the side of the latching member (122) facing the locking rod (13) in the first direction; In the partially unlocked state, the unlocking part (1102) abuts against the latch (122) in the second direction to disengage the latch (122) from the locking rod (13); In the fully unlocked state, the locking rod (13) is completely separated from the buckle base (11) and the buckle assembly (12). The buckle base (11) is located on the side of the limiting member (123) away from the locking rod (13). The limiting member (123) extends out of the housing (121) to restrict the buckle base (11) from moving toward the locking rod (13).

2. The mold-locking mechanism according to claim 1, characterized in that, In the second direction, the end of the limiting member (123) facing the locking rod (13) is formed with an avoidance notch (1231) to avoid the locking rod (13).

3. The mold-locking mechanism according to claim 1, characterized in that, The housing (121) has a first receiving cavity and a second receiving cavity, the first receiving cavity and the second receiving cavity being arranged at a distance in the first direction. The first receiving cavity has a first opening. The fastener (122) is disposed in the first receiving cavity, and one end of the fastener (122) is adapted to extend out of the first receiving cavity from the first opening. The second receiving cavity has a second opening. The limiting member (123) is disposed in the second receiving cavity, and one end of the limiting member (123) is adapted to extend out of the second receiving cavity from the second opening.

4. The mold-locking mechanism according to claim 3, characterized in that, The latching assembly (12) also includes: A first elastic element (124) is disposed in the first receiving cavity, and the first elastic element (124) always pushes the buckle (122) to extend out of the first opening; The second elastic element (125) is disposed in the second receiving cavity, and the first elastic element (124) always pushes the limiting element (123) to extend out of the second opening.

5. The mold-locking mechanism according to claim 4, characterized in that, The housing (121) includes: A first shell (1211) and a second shell (1212), wherein the second shell (1212) and the first shell (1211) are arranged along the first direction and cooperate to define the first receiving cavity; A cover plate (1213) is disposed on the side of the second shell (1212) opposite to the first shell (1211), and the cover plate (1213) cooperates with the second shell (1212) to define the second receiving cavity.

6. The mold-locking mechanism according to claim 5, characterized in that, The second shell (1212) is detachably connected to the first shell (1211), and the cover plate (1213) is detachably connected to the second shell (1212).

7. The mold-locking mechanism according to claim 5, characterized in that, The cover plate (1213) is provided with a clearance groove (12131), which penetrates the cover plate (1213) in the first direction and is used to avoid the locking rod (13).

8. The mold-locking mechanism according to claim 1, characterized in that, The locking rod (13) is provided with a slot (131) and a limiting part (132). In the second direction, the opening of the slot (131) faces the buckle assembly (12). In the fully locked state, one end of the buckle (122) extending out of the housing (121) is engaged in the slot (131). The limiting part (132) and the limiting member (123) abut in the second direction so that the limiting member (123) is located in the housing (121).

9. The mold-locking mechanism according to claim 8, characterized in that, In the first direction, a first guide slope is formed on one side wall of the slot (131) facing the limiting part (132), and the first guide slope extends obliquely toward the limiting part (132) in the direction from the bottom wall of the slot (131) toward the opening.

10. The mold-locking mechanism according to claim 8, characterized in that, The limiting part (132) protrudes toward the buckle assembly (12) along the second direction.

11. The mold-locking mechanism according to claim 8, characterized in that, The limiting portion (132) is formed as a second guide slope on the side surface of the first direction facing the slot (131), and the second guide slope extends obliquely toward the buckle assembly (12) in the second direction from the slot (131) toward the limiting portion (132).

12. The mold-locking mechanism according to any one of claims 1-11, characterized in that, The buckle base (11) has a mating groove (1101) that extends through the buckle base (11) along the first direction. In the fully locked state and the partially unlocked state, the locking rod (13) extends into the mating groove (1101). In the fully unlocked state, the locking rod (13) is located outside the mating groove (1101).

13. The mold-locking mechanism according to claim 12, characterized in that, The fastener base (11) includes: Two fixed plate segments are arranged at intervals in a third direction, wherein the third direction intersects the first direction and the second direction in pairs; A connecting plate segment is disposed on the side of the fixed plate segment opposite to the buckle assembly (12) in the second direction and is connected to the two fixed plate segments. The connecting plate segment and the two fixed plate segments cooperate to define a mating groove (1101). The side of the fixed plate segment facing the buckle assembly (12) forms the unlocking part (1102).

14. The mold-locking mechanism according to claim 12, characterized in that, The unlocking part (1102) protrudes toward the buckle assembly (12) in the second direction. In the first direction, the surface of the unlocking part (1102) facing the first fixing plate (20) is adapted to form a third guide slope. In the direction from the buckle member (122) toward the limiting member (123), the third guide slope extends obliquely toward the buckle assembly (12) in the second direction.

15. An injection mold, characterized in that, include: The first fixing plate (20), the front template (30) and the rear template (40) are arranged sequentially along the first direction and are relatively movable along the first direction; According to any one of claims 1-14, the locking mechanism comprises a buckle base (11) fixed to the first fixing plate (20), a locking rod (13) fixed to the rear template (40), and a buckle assembly (12) mounted on the front template (30). The injection mold can be switched between a fully closed state, a partially open state, and a fully open state. In the fully closed mold state, the first fixing plate (20) abuts against the front template (30) and the rear template (40) in the first direction, and the mold locking mechanism is in the fully locked state. In the partially open mold state, the first fixing plate (20) separates from the front template (30), and the mold locking mechanism is in the partially unlocked state. In the fully open mold state, the mold locking mechanism is in the fully unlocked state, and the first fixing plate (20), the front template (30), and the rear template (40) are separated from each other.

16. The injection mold according to claim 15, characterized in that, The front template (30) is provided with a mounting groove (31), and the buckle assembly (12) is detachably fixed in the mounting groove (31).

17. The injection mold according to claim 15, characterized in that, The number of clamping mechanisms is multiple, and the multiple clamping mechanisms are arranged at intervals along the circumference of the injection mold.

18. The injection mold according to claim 15, characterized in that, It also includes a limiting structure, the limiting structure comprising: A limiting groove (21) extends along the first direction and is formed on the first fixing plate (20); A limiting post (34) extends along the first direction. One end of the limiting post (34) extends into the limiting groove (21), and the other end of the limiting post (34) is fastened to the front template (30) by a fastener. The limiting post (34) is used to limit the maximum stroke of the first fixing plate (20) relative to the front template (30) in the first direction.

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