Injection mold with positioning structure

Abstract

The utility model relates to the technical field of injection molds, and discloses an injection mold with a positioning structure, which comprises a base, an upper mold seat is arranged at the top of the base, and fixing components are arranged in the base and the upper mold seat. The fixing assembly comprises two-way threaded rods, a clamping plate, a first connecting rod, a fixing plate, a cushion block, a threaded rod, a connecting plate and a second connecting rod. The two-way threaded rods are arranged in the base and the upper die base respectively. According to the injection mold with the positioning structure, by arranging the fixing assembly, the mold can be rapidly replaced, mounting and dismounting can be completed without the help of professional tools, personnel operation and understanding are facilitated, the upper mold and the lower mold can be dismounted and replaced by rotating a hand wheel and a screw rod, rapid mounting and dismounting of the upper mold and the lower mold are achieved, and the working efficiency is improved; by arranging the positioning assembly, in the mold closing process, it can be ensured that the upper mold and the lower mold are accurately positioned, and meanwhile the buffering effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold with a positioning structure. Background Art

[0002] Moulds are various moulds and tools used in industrial production to obtain the required products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. Injection moulds are the main molding equipment that presses hot raw materials with molding moulds and makes plastic products of various shapes after cooling.

[0003] According to the application number 201921870024.7, an injection mold positioning structure with a drying function is disclosed. The injection mold positioning structure with a drying function can facilitate the rapid positioning of the injection mold when the injection mold is closed, improve the quality of the injection molded product, facilitate the drying of the injection molded product during injection molding, and improve the working efficiency of the injection mold.

[0004] The following problems still exist in actual use:

[0005] (1) When the existing injection mold is in use, the upper mold and the lower mold are usually fixed by multiple sets of bolts. As a result, when the mold is replaced, multiple sets of bolts need to be removed, which makes the operation of mold replacement more cumbersome and requires professional tools.

[0006] (2) During the use of the mold, the upper mold moves up and down continuously. After multiple movements, the movement trajectory of the upper mold is prone to deviation, affecting the processing accuracy of the workpiece. In addition, the buffering and shock absorption performance is poor, and the vibration generated during the mold closing process is large, which will also produce a lot of noise. Utility Model Content

[0007] In view of the shortcomings of the prior art, the utility model provides an injection mold with a positioning structure, which is convenient for personnel to install and disassemble the mold, simple to operate, and does not require the use of professional tools. At the same time, it can perform precise positioning during the mold closing process and has the advantages of buffering and shock absorbing effects, thereby solving the problems raised in the background technology.

[0008] The utility model provides the following technical solution: an injection mold with a positioning structure, comprising a base, an upper mold base is arranged on the top of the base, and fixing components are arranged inside the base and the upper mold base;

[0009] The fixing assembly includes a bidirectional threaded rod, a clamping plate, a connecting rod 1, a fixing plate, a cushion block, a screw, a connecting plate and a connecting rod 2. The bidirectional threaded rod is respectively arranged inside the base and the upper mold base, and clamping plates are arranged at both ends of the surface of the bidirectional threaded rod. Connecting rod 1 is arranged on both sides of the top of the clamping plate, a fixing plate is arranged at the bottom end of the connecting rod 1, a cushion block is arranged on the bottom side of the fixing plate, a screw is arranged at the top of the bidirectional threaded rod, a connecting plate is arranged at the bottom end of the screw, and connecting rod 2 is arranged on both sides of the connecting plate.

[0010] Preferably, a lower mold is installed on the top side of the base through a fixing component, and an upper mold is installed on the bottom side of the upper mold seat through a fixing component. Positioning components are arranged around the surfaces of the upper mold and the lower mold, and the positioning components include a fixing block, a positioning rod, a positioning seat, a buffer spring and a force-bearing inclined block. The surface of the upper mold is fixedly connected with fixing blocks on all sides, and the two ends of the bottom side of the fixing block are fixedly connected with positioning rods, and the surface of the lower mold is fixedly connected with positioning seats on all sides, and a buffer spring is fixedly connected to the inner bottom of the positioning seat, and the top of the buffer spring is fixedly connected to the force-bearing inclined block.

[0011] Preferably, the two bidirectional threaded rods are rotatably connected to the base and the inner wall of the upper mold base respectively, the clamping plate is threadedly connected to the bidirectional threaded rod, the connecting rod one is rotatably connected to the top side of the clamping plate, the fixed plate is fixedly connected to the bottom end of the connecting rod one, the pad is fixedly connected to the bottom side of the fixed plate, the screw is threadedly connected to the top side of the bidirectional threaded rod, the connecting plate is movably connected to the bottom end of the screw, one end of the connecting rod two is rotatably connected to the connecting plate, and the other end is rotatably connected to the inner wall of the connecting rod one.

[0012] Preferably, guide rods are fixedly connected to the four corners of the top side of the base, and an upper mold seat is installed on the top of the guide rods.

[0013] Preferably, the bottoms of the lower mold and the upper mold are fixedly connected with mounting seats.

[0014] Preferably, the surface of the bidirectional threaded rod is provided with two threads in opposite directions, and one end of the bidirectional threaded rod is fixedly connected to a hand wheel.

[0015] Preferably, the force-bearing inclined block is in a trapezoidal shape, and the bottom end of the positioning rod is a sphere.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The injection mold with a positioning structure can quickly replace the mold by being provided with a fixed component. The installation and disassembly can be completed without the help of professional tools, which is convenient for personnel to operate and understand. The upper and lower molds can be disassembled and replaced by turning the hand wheel and the screw, thereby realizing the rapid installation and disassembly of the upper and lower molds and improving work efficiency.

[0018] 2. The injection mold with a positioning structure is provided with a positioning component, which can ensure the accurate positioning of the upper mold and the lower mold relative to each other during the mold closing process. After the positioning seat is inserted into the positioning seat, its bottom end squeezes the force-bearing inclined block to compress the buffer spring. Through the compression deformation of the buffer spring, a buffering effect can be achieved, the force caused by vibration can be absorbed, and the noise generated can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the overall structure of an injection mold device with a positioning structure provided by the utility model;

[0020] Figure 2 A schematic diagram of the internal structure of a base of an injection mold with a positioning structure provided by the utility model;

[0021] Figure 3 The utility model provides an injection mold with a positioning structure Figure 2 A is a schematic diagram of the enlarged structure;

[0022] Figure 4 The utility model provides a schematic diagram of a positioning component structure of an injection mold with a positioning structure.

[0023] In the figure: 1. base; 2. fixing assembly; 201. bidirectional threaded rod; 202. clamping plate; 203. connecting rod one; 204. fixing plate; 205. cushion block; 206. screw rod; 207. connecting plate; 208. connecting rod two; 3. lower mold; 4. mounting seat; 5. guide rod; 6. upper mold seat; 7. upper mold; 8. positioning assembly; 801. fixing block; 802. positioning rod; 803. positioning seat; 804. buffer spring; 805. force-bearing inclined block; 9. handwheel. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 3, an injection mold with a positioning structure, comprising a base 1, an upper mold base 6 is arranged on the top of the base 1, a fixing assembly 2 is arranged inside the base 1 and the upper mold base 6, the fixing assembly 2 comprises a bidirectional threaded rod 201, a clamping plate 202, a connecting rod 203, a fixing plate 204, a cushion block 205, a screw 206, a connecting plate 207 and a connecting rod 208, the bidirectional threaded rod 201 is arranged inside the base 1 and the upper mold base 6 respectively, clamping plates 202 are arranged on both ends of the surface of the bidirectional threaded rod 201, connecting rods 203 are arranged on both sides of the top of the clamping plate 202, the bottom end of the connecting rod 203 is arranged with a fixing plate 204, a cushion block 205 is arranged on the bottom side of the fixing plate 204, a screw 206 is arranged on the top of the bidirectional threaded rod 201, a connecting plate 207 is arranged at the bottom end of the screw 206, and connecting rods 208 are arranged on both sides of the connecting plate 207;

[0026] By providing the fixing component 2, the mold can be quickly replaced, and installation and disassembly can be completed without the aid of professional tools, which is convenient for personnel to operate and understand, and improves work efficiency.

[0027] See also Figures 1 to 3 , two bidirectional threaded rods 201 are rotatably connected to the base 1 and the inner wall of the upper die seat 6 respectively, the clamping plate 202 is threadedly connected to the bidirectional threaded rod 201, the connecting rod 203 is rotatably connected to the top side of the clamping plate 202, the fixing plate 204 is fixedly connected to the bottom end of the connecting rod 203, the cushion block 205 is fixedly connected to the bottom side of the fixing plate 204, the screw 206 is threadedly connected to the top side of the bidirectional threaded rod 201, the connecting plate 207 is movably connected to the bottom end of the screw 206, one end of the connecting rod 208 is rotatably connected to the connecting plate 207, and the other end is rotatably connected to the inner wall of the connecting rod 203, the surface of the bidirectional threaded rod 201 is provided with two threads in opposite directions, and one end of the bidirectional threaded rod 201 is fixedly connected to a handwheel 9;

[0028] When installing the mold, by turning the hand wheel 9, in conjunction with the bidirectional threaded rod 201, the two clamping plates 202 can be driven to clamp and fix the mold, and then the screw rod 206 is turned, in conjunction with the connecting plate 207, the second connecting rod 208, and the first connecting rod 203, the cushion block 205 can be driven to move downward and fit the mounting seat 4 for secondary fixation.

[0029] See also Figure 1 Guide rods 5 are fixedly connected at the four corners of the top side of the base 1, an upper mold base 6 is installed on the top of the guide rods 5, a lower mold 3 is installed on the top side of the base 1 through a fixing component 2, an upper mold 7 is installed on the bottom side of the upper mold base 6 through the fixing component 2, and the bottoms of the lower mold 3 and the upper mold 7 are fixedly connected to a mounting base 4.

[0030] See also Figure 1 and Figure 4, positioning components 8 are arranged around the surfaces of the upper mold 7 and the lower mold 3, and the positioning components 8 include a fixed block 801, a positioning rod 802, a positioning seat 803, a buffer spring 804 and a force-bearing inclined block 805. The surface of the upper mold 7 is fixedly connected with the fixed block 801 on all sides, and the two ends of the bottom side of the fixed block 801 are fixedly connected with the positioning rod 802, and the surface of the lower mold 3 is fixedly connected with the positioning seat 803 on all sides, and the inner bottom of the positioning seat 803 is fixedly connected with the buffer spring 804, and the top of the buffer spring 804 is fixedly connected with the force-bearing inclined block 805, and the force-bearing inclined block 805 is in the shape of a trapezoid, and the bottom end of the positioning rod 802 is a sphere;

[0031] By providing the positioning assembly 8, during the mold closing process, it is possible to ensure that the upper mold 7 and the lower mold 3 are accurately positioned relative to each other, and to play a buffering role to absorb the force caused by vibration.

[0032] In the utility model, the working principle of the device is as follows:

[0033] When installing the mold, place the lower mold 3 on the base 1, turn the hand wheel 9 to drive the bidirectional threaded rod 201 to rotate, which can drive the two clamping plates 202 to move toward the lower mold 3 at the same time, and fit with the two sides of the mounting seat 4 to clamp and fix the lower mold 3, and finally turn the screw rod 206 to move it upward, and at the same time drive the connecting plate 207 to move upward, so that the two connecting rods 208 pull the connecting rod 1 203 at the same time, and one end of the two connecting rods 1 203 moves downward at the same time, driving the fixed plate 204 to move downward, and finally driving the cushion block 205 to move downward and fit with the mounting seat 4 for secondary fixation. The two cushion blocks 205 can increase the support area and increase the friction with the mounting seat 4 to prevent the mounting seat 4 from shifting, making the installation more stable. The mold can be disassembled by the opposite operation to achieve rapid installation and disassembly of the mold;

[0034] During the mold closing process, the upper mold 7 drives the fixed block 801 to move downward, thereby driving the positioning rod 802 to insert into the positioning seat 803, which can ensure that the upper mold 7 and the lower mold 3 are accurately positioned relative to each other, and after the positioning seat 803 is inserted into the positioning seat 803, its bottom end squeezes the force-bearing inclined block 805, so that the buffer spring 804 is compressed. Through the compression deformation of the buffer spring 804, a buffering effect can be achieved to absorb the force caused by vibration.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection mold with a positioning structure, comprising a base (1), characterized in that: An upper die seat (6) is arranged on the top of the base (1), and a fixing component (2) is arranged inside the base (1) and the upper die seat (6); The fixing assembly (2) comprises a bidirectional threaded rod (201), a clamping plate (202), a connecting rod 1 (203), a fixing plate (204), a cushion block (205), a screw rod (206), a connecting plate (207) and a connecting rod 2 (208). The bidirectional threaded rod (201) is arranged inside the base (1) and the upper die base (6) respectively. The two ends of the surface of the bidirectional threaded rod (201) are provided with clamping plates (202). The top of the clamping plate (202) is provided with a connecting rod 1 (203) on both sides. The bottom end of the connecting rod 1 (203) is provided with a fixing plate (204). The bottom side of the fixing plate (204) is provided with a cushion block (205). The top of the bidirectional threaded rod (201) is provided with a screw rod (206). The bottom end of the screw rod (206) is provided with a connecting plate (207). The two sides of the connecting plate (207) are provided with a connecting rod 2 (208).

2. The injection mold with a positioning structure according to claim 1, characterized in that: A lower mold (3) is mounted on the top side of the base (1) via a fixing assembly (2); an upper mold (7) is mounted on the bottom side of the upper mold base (6) via a fixing assembly (2); positioning assemblies (8) are arranged around the surfaces of the upper mold (7) and the lower mold (3); the positioning assemblies (8) comprise a fixing block (801), a positioning rod (802), a positioning seat (803), a buffer spring (804) and a force-bearing inclined block (805); the surface of the upper mold (7) is fixedly connected to the fixing block (801) around the surface; both ends of the bottom side of the fixing block (801) are fixedly connected to the positioning rod (802); the surface of the lower mold (3) is fixedly connected to the positioning seat (803) around the surface; a buffer spring (804) is fixedly connected to the inner bottom of the positioning seat (803); and the top end of the buffer spring (804) is fixedly connected to the force-bearing inclined block (805).

3. The injection mold with a positioning structure according to claim 1, characterized in that: The two bidirectional threaded rods (201) are rotatably connected to the base (1) and the inner wall of the upper mold base (6) respectively; the clamping plate (202) is threadedly connected to the bidirectional threaded rod (201); the connecting rod 1 (203) is rotatably connected to the top side of the clamping plate (202); the fixing plate (204) is fixedly connected to the bottom end of the connecting rod 1 (203); the cushion block (205) is fixedly connected to the bottom side of the fixing plate (204); the screw rod (206) is threadedly connected to the top side of the bidirectional threaded rod (201); the connecting plate (207) is movably connected to the bottom end of the screw rod (206); one end of the connecting rod 2 (208) is rotatably connected to the connecting plate (207), and the other end is rotatably connected to the inner wall of the connecting rod 1 (203).

4. The injection mold with a positioning structure according to claim 1, characterized in that: Guide rods (5) are fixedly connected at the four corners of the top side of the base (1), and an upper die seat (6) is installed at the top end of the guide rods (5).

5. The injection mold with a positioning structure according to claim 2, characterized in that: The bottoms of the lower mold (3) and the upper mold (7) are both fixedly connected to a mounting seat (4).

6. The injection mold with a positioning structure according to claim 1, characterized in that: The surface of the bidirectional threaded rod (201) is provided with two threads in opposite directions, and one end of the bidirectional threaded rod (201) is fixedly connected to a hand wheel (9).

7. The injection mold with a positioning structure according to claim 2, characterized in that: The force-bearing inclined block (805) is in the shape of a trapezoid, and the bottom end of the positioning rod (802) is in the shape of a sphere.

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