Injection mold connecting mechanism

Abstract

The utility model discloses an injection mold connecting mechanism, and belongs to the technical field of injection molds. Comprising supporting plates and locking mechanisms, the two supporting plates are oppositely arranged, and the two parallel locking mechanisms are arranged between the two supporting plates; the locking mechanism comprises a locking rod and locking tongues, the two ends of the locking rod are rotationally connected with the corresponding supporting plates respectively, the locking rod is provided with the two locking tongues, and the two locking tongues can do reverse motion on the locking rod and are locked so as to clamp or release a target; the injection mold connecting mechanism can be conveniently mounted and fixed on the injection molding machine, has the effect of quickly replacing the injection mold in a labor-saving manner, can be used for quickly fixing or detaching molds with different specifications, and is more comprehensive in connecting and fixing range and higher in fixing convenience.

Description

Technical Field

[0001] This utility model relates to a connection mechanism for injection molds, belonging to the field of injection mold technology. Background Technology

[0002] Injection molding is a processing method used for the mass production of complex-shaped parts. Specifically, it involves injecting molten plastic under high pressure into the cavity of an injection mold using an injection molding machine. After cooling and solidification, the molded product is obtained. An injection mold is a tool for producing plastic products; it is also a tool that gives plastic products their complete structure and precise dimensions. It manufactures objects through extrusion. Injection molds are classified into thermosetting plastic molds and thermoplastic plastic molds according to their molding characteristics; and according to their molding process, they are classified into transfer molds, blow molds, casting molds, thermoforming molds, hot press molds, and injection molds, etc.

[0003] With increasingly fierce market competition and rapid product updates, molds need to be constantly replaced to manufacture different products. Injection molds need to be mounted on a mold holder or worktable during use. However, existing methods of connecting injection molds to mold holders are mostly welding, which makes it inconvenient for users to disassemble the injection molds and reduces their flexibility. Some injection mold worktables use bolts to fix the molds during installation, but insufficient operating space makes the installation process difficult. Furthermore, the numerous parts requiring fixation further complicate the installation and fixing process, making mold installation and disassembly inconvenient and wasteful of manpower, which is detrimental to improving production efficiency. Therefore, this utility model proposes an injection mold connection mechanism that is conveniently installed and fixed on an injection molding machine to solve the above problems. Summary of the Invention

[0004] In order to overcome the shortcomings of the prior art, this utility model provides an injection mold connection mechanism.

[0005] The technical solution adopted in this utility model is as follows: A mold connection mechanism is designed and installed on an injection molding machine to connect the injection molding machine and the injection mold. The injection molding machine includes a moving platen and a fixed platen, and the injection mold includes a moving mold and a fixed mold. The moving mold and the fixed mold are respectively fixed to the moving platen and the fixed platen by a set of the connection mechanism. The connection mechanism includes a support plate and a locking mechanism. Two support plates are arranged opposite to each other, and two sets of parallel locking mechanisms are arranged between the two support plates. The locking mechanism includes a locking rod and locking tongues. The two ends of the locking rod are rotatably connected to the corresponding support plates. Two locking tongues are provided on the locking rod, and the two locking tongues can move in opposite directions on the locking rod and lock to clamp or release the target.

[0006] The moving template and the fixed template are respectively provided with a sliding groove for receiving the locking tongue, and the locking tongue can slide along the sliding groove; when installing the connecting mechanism, a support plate is respectively installed on one opposite side of the moving template or the fixed template, the locking rod is located in the sliding groove, one end of the locking tongue extends into the sliding groove and is connected to the locking rod, and the other end extends out of the sliding groove; a slot is provided on the moving mold or the fixed mold corresponding to the position of the locking tongue, and the locking tongue is driven by the locking rod to be inserted into the slot to fix the moving mold or the fixed mold.

[0007] Furthermore, the locking rod located between the two support plates has threads on its body, and both ends of its body have reverse threads. The locking tongue has a threaded hole at one end connected to the locking rod, and the locking tongue is threaded to the locking rod through the threaded hole.

[0008] Furthermore, the locking rod is provided with limit heads at both ends, and the limit head at the front end is provided with a polygonal prism.

[0009] Furthermore, this design also includes an operating panel, which is provided with a polygonal hole that matches the polygonal prism on the limit head. The operating panel is inserted into the polygonal prism on the limit head through the polygonal hole.

[0010] Furthermore, the slide groove is a T-shaped groove, and one end of the locking tongue that slides along the slide groove is provided with a T-shaped head that matches the slide groove, and one end of the T-shaped head that extends out of the slide groove extends into an L-shaped tongue.

[0011] Furthermore, the L-shaped tongue includes a first locking part and a second locking part, and the slot includes a first engaging slot and a second engaging slot, wherein the first locking part is engaged in the first engaging slot and the second locking part is engaged in the second engaging slot.

[0012] Furthermore, the outer ends of the first locking groove are chamfered to form a trumpet-shaped opening, and the front end of the second locking part is chamfered to form an isosceles trapezoidal head.

[0013] Furthermore, a rotating shaft is provided in the middle of the support plate, a first gear is provided on the rotating shaft, and a second gear is provided on the upper and lower sides of the first gear respectively. The first gear meshes with the second gear, the front end of the locking rod is connected to the second gear, and an operating disc that can drive the rotating shaft to rotate is also provided on the rotating shaft.

[0014] Furthermore, the rotating shaft is also provided with polygonal prisms, and the operating plate is provided with polygonal prism holes that match the polygonal prisms on the rotating shaft. The operating plate is inserted into the polygonal prisms on the rotating shaft through the polygonal prism holes.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This invention, through the design of a support plate, locking rod, and counter-moving double locking tongues, facilitates quick change and connection of injection molds. It also allows users to easily disassemble the injection mold, improving its flexibility. Furthermore, the locking tongues can be operated from the front via a control panel, allowing for unrestricted operation and minimizing obstruction during mold installation. Additionally, the simultaneous counter-moving double locking tongues connect the injection mold, enabling rapid installation and fixation. Using this invention makes the installation and disassembly of injection molds convenient, saves manpower, and helps improve production efficiency.

[0017] This invention enables quick and labor-saving replacement of injection molds, and also allows for the rapid fixing or disassembly of molds of different specifications. The connection and fixing range is more comprehensive, and the fixing is more convenient. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the present invention assembled with an injection molding machine and an injection mold.

[0020] Figure 2 for Figure 1 A diagram from another perspective.

[0021] Figure 3 This is a schematic diagram of the locking mechanism of this utility model.

[0022] Figure 4 for Figure 1 A schematic diagram showing the locking mechanism after it has been concealed.

[0023] Figure 5 This is a schematic diagram showing the present invention assembled with an injection molding machine and an injection mold, with a gear transmission installed on one side of the fixed template.

[0024] In the diagram: 1. Moving template; 2. Fixed template; 3. Moving mold; 4. Fixed mold; 5. Support plate; 6. Locking mechanism; 7. Locking rod; 8. Locking tongue; 9. Slide groove; 10. Limit head; 11. Polygonal prism; 12. Operating panel; 13. T-head; 14. L-shaped tongue; 15. First locking part; 16. Second locking part; 17. First locking groove; 18. Second locking groove; 19. First gear; 20. Second gear. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] Example 1

[0028] like Figure 1-3 As shown, an injection mold connection mechanism is mainly installed on an injection molding machine to connect the injection molding machine and the injection mold (or to install and fix the injection mold). The injection molding machine includes a moving platen 1 and a fixed platen 2, and the injection mold includes a moving mold 3 and a fixed mold 4. The moving mold 3 and the fixed mold 4 are respectively fixed to the moving platen 1 and the fixed platen 2 by a set of the connection mechanism. The connection mechanism (i.e., the injection mold connection mechanism) includes a support plate 5 and a locking mechanism 6. The two support plates 5 are arranged opposite to each other, and two sets of parallel locking mechanisms 6 are arranged between the two support plates 5 (i.e., the moving mold and the fixed mold are connected and fixed at their upper and lower ends by a set of locking mechanisms 6 respectively). The locking mechanism 6 includes a locking rod 7 and a locking tongue 8. The two ends of the locking rod 7 are rotatably connected to the corresponding support plate 5 and do not detach from the support plate 5. Two locking tongues 8 are provided on the locking rod 7. The two locking tongues 8 can move in opposite directions on the locking rod 7 and lock to clamp or release the target.

[0029] The moving template 1 and the fixed template 2 are respectively provided with sliding grooves 9 for receiving the locking tongue 8, such as Figure 4As shown, the locking tongue 8 can slide along the slide groove 9; when installing the connecting mechanism, a support plate 5 is installed on one opposite side of the moving template 1 or the fixed template 2, and a bolt is used to connect and fix the upper and lower ends of the support plate 5 respectively. The locking rod 7 is located in the slide groove 9, one end of the locking tongue 8 extends into the slide groove 9 and is connected to the locking rod 7, and the other end extends out of the slide groove 9; a slot is provided on the moving mold 3 or the fixed mold 4 corresponding to the position of the locking tongue 8, and the locking tongue 8 is driven by the locking rod 7 to be inserted into the slot to fix the moving mold 3 or the fixed mold 4.

[0030] It should be noted that on the same injection molding machine, a set of the aforementioned connecting mechanism (i.e., injection mold connecting mechanism) is respectively provided on the moving platen 1 and the fixed platen 2, so as to be used for the fixed connection of the moving mold 3 and the fixed mold 4 of the injection mold.

[0031] Example 2

[0032] This embodiment is a further optimization and refinement of the locking mechanism 6 based on Embodiment 1, specifically as follows:

[0033] The locking rod 7, located between the two support plates 5, has threads on its body, with reverse threads at both ends. The locking tongue 8, connected to the locking rod 7, has a threaded hole at one end, and is threadedly connected to the locking rod 7 through the threaded hole. The reverse threads on the locking rod 7 enable the two locking tongues 8 to move in opposite directions on the locking rod 7 when the locking rod 7 is rotated, thus locking or releasing the target (the moving or fixed mold of the injection mold) to clamp or release it.

[0034] In this embodiment, the locking rod 7 is provided with limit heads 10 at both ends. The limit heads 10 limit the locking rod 7 to prevent it from detaching from the support plate 5. The limit head 10 at the front end of the locking rod 7 is provided with a polygonal prism 11, which makes it easy to turn the limit rod by wrench or manual means, thereby locking the locking tongue 8 onto the injection mold.

[0035] Example 3

[0036] This embodiment is a further optimization and refinement of the locking mechanism 6 based on embodiment 2, specifically as follows:

[0037] The connecting mechanism described in this embodiment also includes an operating disc 12. The operating disc 12 is provided with a polygonal prism 11 hole that matches the polygonal prism 11 on the limiting head 10. The operating disc 12 is inserted into the polygonal prism 11 on the limiting head 10 through the polygonal prism 11 hole. The operating disc 12 facilitates the rotation of the locking rod 7.

[0038] It is understandable that the operating panel 12 and the locking rod 7 are detachably connected, so two sets of locking mechanisms 6 on the same connecting mechanism can share one operating panel 12, and two sets of connecting mechanisms on the same injection molding machine can also share one operating panel 12. Furthermore, when the injection mold is not being disassembled or assembled, the operating panel 12 can be removed to reduce interference with the injection molding process.

[0039] Example 4

[0040] This embodiment is a further optimization and refinement of the locking mechanism 6 based on embodiment 3, specifically as follows:

[0041] The sliding grooves 9 on the moving template 1 and the fixed template 2 are T-shaped grooves. The locking tongue 8 is provided with a T-shaped head 13 that matches the sliding groove 9 at one end. The T-shaped sliding connection structure is simple and reliable. The end of the T-shaped head 13 that extends out of the sliding groove 9 extends into an L-shaped tongue 14, which clamps the injection mold.

[0042] In this embodiment, the L-shaped tongue 14 includes a first locking part 15 and a second locking part 16, and the slot includes a first engaging slot 17 and a second engaging slot 18. The first locking part 15 is engaged in the first engaging slot 17, and the second locking part 16 is engaged in the second engaging slot 18. The dual-slot clamping provides a more stable fixation effect for the injection mold.

[0043] In this embodiment, the outer ends of the first locking groove 17 are chamfered to form a trumpet-shaped opening, and the front end of the second locking part 16 is chamfered to form an isosceles trapezoidal head, so that when the locking rod 7 drives the locking tongue 8 to clamp the injection mold, it can be quickly and accurately locked into the groove.

[0044] Example 5

[0045] This embodiment is a further optimization and refinement of the connecting mechanism based on embodiment 4, specifically as follows:

[0046] The connecting mechanism described in this embodiment has a rotating shaft 19 (not shown directly in the attached drawings) located in the middle of the support plate 5. A first gear 20 is mounted on the rotating shaft 19, and second gears 21 are respectively located on the upper and lower sides of the first gear 20. The first gear 20 meshes with the second gears 21. The front end of the locking rod 7 is connected to the second gear 21. An operating disc 12, capable of driving the rotating shaft 19 to rotate, is also provided on the rotating shaft 19. Figure 5The structure shown on one side of the central mold plate 2. The operating disc 12 drives the first gear 20 to rotate, which in turn drives the second gear 21 to rotate, thereby causing the two sets of locking mechanisms 6 of the connecting mechanism to move simultaneously, resulting in higher clamping and fixing efficiency for the injection mold. However, the introduction of gear transmission can obstruct the operator's view, increase cost and structural complexity. Therefore, the inclusion of a gear transmission mechanism can be chosen as needed; this is merely a reference point for further improving the connection and fixing efficiency of the injection mold.

[0047] In this embodiment, the rotating shaft 19 is also provided with polygonal prisms 11, and the operating plate 12 is provided with polygonal prism 11 holes that match the polygonal prisms 11 on the rotating shaft 19. The operating plate 12 is inserted into the polygonal prisms 11 on the rotating shaft 19 through the polygonal prism 11 holes. The two are detachably connected, which makes it convenient for two sets of connecting mechanisms on the same injection molding machine to share one operating plate 12.

[0048] It should be noted that the threaded structure is not shown in any of the attached drawings.

[0049] The method of use of this application is as follows: First, install a set of the connecting mechanism provided in this application on the moving platen 1 and the fixed platen 2 of the injection molding machine. When the injection mold needs to be installed, hoist the injection mold onto the injection molding machine and adjust its position. Then, adjust the locking mechanism 6 of the connecting mechanism via the operating panel 12 so that the locking tongue 8 engages with the slot on the injection mold. The entire connection process of the injection mold is simple, convenient, quick, safe, and the connection is stable and reliable.

[0050] Furthermore, in the description of this utility model, unless otherwise stated, the terms "multiple," "multiple roots," and "multiple groups" mean two or more, and "several," "several roots," and "several groups" mean one or more. In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used only for descriptive purposes and should not be construed as indicating or implying relative importance.

[0051] The specific embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A connecting mechanism for injection mold, which is installed on an injection molding machine for connecting the injection molding machine and an injection mold, the injection molding machine comprising a movable mold plate and a fixed mold plate, the injection mold comprising a movable mold and a fixed mold, the movable mold and the fixed mold being fixed to the movable mold plate and the fixed mold plate respectively by a set of the connecting mechanism, characterized in that: The connecting mechanism comprises support plates and locking mechanisms, two of the support plates are oppositely arranged, and two groups of locking mechanisms parallel to each other are arranged between the two support plates; the locking mechanism comprises a locking rod and a locking tongue, the two ends of the locking rod are rotatably connected with the corresponding support plates respectively, and two locking tongues are arranged on the locking rod and can move reversely on the locking rod and be locked to clamp or release the target; The movable die plate and the fixed die plate are respectively provided with a sliding groove for receiving the locking tongue, and the locking tongue can slide along the sliding groove; when the connecting mechanism is installed, one of the opposite sides of the movable die plate or the fixed die plate is respectively provided with a support plate, the locking rod is located in the sliding groove, one end of the locking tongue extends into the sliding groove and is connected with the locking rod, and the other end extends out of the sliding groove; the movable die or the fixed die is provided with a clamping groove at a position corresponding to the locking tongue, and the locking tongue is clamped into the clamping groove under the drive of the locking rod to fix the movable die or the fixed die.

2. The connection mechanism of claim 1, wherein: The locking rod is provided with threads on the rod body between the two support plates, and the two ends of the rod body are respectively reverse threads, one end of the locking tongue provided with a threaded hole is connected with the locking rod in a threaded connection.

3. The connection mechanism of claim 2, wherein: The two ends of the locking rod are respectively provided with a limiting head, and a multi-prism is arranged on the limiting head at the front end.

4. The connection mechanism of claim 3, wherein: An operation disc is further included, and the operation disc is provided with a multi-prism hole matched with the multi-prism on the limiting head, and the operation disc is inserted on the multi-prism on the limiting head through the multi-prism hole.

5. The connection mechanism of claim 4, wherein: The sliding groove is a T-shaped groove, and one end of the locking tongue provided with a T-shaped head matched with the sliding groove is arranged, and the T-shaped head extends out of the sliding groove and extends out of an L-shaped tongue.

6. The connection mechanism of claim 5, wherein: The L-shaped tongue comprises a first locking part and a second locking part, the clamping groove comprises a first clamping groove and a second clamping groove, the first locking part is clamped in the first clamping groove, and the second locking part is clamped in the second clamping groove.

7. The connection mechanism of claim 6, wherein: The outer ends of the first clamping groove are chamfered to form a horn-shaped opening, and the front end of the second locking part is chamfered to form an isosceles trapezoidal head.

8. The attachment mechanism of claim 3, wherein: A rotating shaft is arranged in the middle of the support plate, a first gear is arranged on the rotating shaft, a second gear is arranged on the upper and lower sides of the first gear respectively, the first gear is engaged with the second gear, the front end of the locking rod is connected with the second gear, and an operation disc capable of driving the rotating shaft to rotate is further arranged on the rotating shaft.

9. The connection mechanism of claim 8, wherein: A multi-prism is also arranged on the rotating shaft, and a multi-prism hole matched with the multi-prism on the rotating shaft is arranged on the operation disc, and the operation disc is inserted on the multi-prism on the rotating shaft through the multi-prism hole.

Images