CN212097386U - Bolt type clamping mechanism - Google Patents
Bolt type clamping mechanism Download PDFInfo
- Publication number
- CN212097386U CN212097386U CN202020472506.3U CN202020472506U CN212097386U CN 212097386 U CN212097386 U CN 212097386U CN 202020472506 U CN202020472506 U CN 202020472506U CN 212097386 U CN212097386 U CN 212097386U
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- Prior art keywords
- pin
- head
- lock
- fixed
- locking
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a bolt type mold locking mechanism, which comprises a bolt, a lock pin and a locking seat; the bolt comprises a pin rod and a pin head, the pin rod is fixed on a fixed die fixing plate of the die, and a trapezoidal groove is formed in the pin head; the lock pin comprises a lock rod and a lock head, the lock rod is fixed on an ejector pin fixing plate in the mould, a wedge-shaped groove is formed in the lock head, the ejector pin fixing plate is movably arranged on a fixed mould plate of the mould, and a fixed mould ejector pin is arranged on the ejector pin fixing plate; the bolt and the lock pin are mutually overlapped, and the length of the head of the lock pin is greater than that of the lock head; the locking seat comprises a shell, the shell is fixed on a movable template of the mold, a mounting cavity is arranged in the shell, a locking block is arranged in the mounting cavity, a spring is fixedly connected to the side of the locking block, a channel communicated with the mounting cavity is formed in the shell, and the pin head and the lock head can penetrate through the shell from the channel and are matched with the locking block to complete demolding and mold locking operations. By adopting the mold locking mechanism with the structure, the stability of mold production can be ensured, and the service life of the mold is prolonged.
Description
Technical Field
The utility model belongs to the technical field of the mould, concretely relates to bolt formula clamping mechanism.
Background
In the plastic mold, some products need to be ejected out by the fixed mold design to ensure normal demolding and production of the products, for example, the products are prevented from being stuck on the fixed mold or the fixed mold is prevented from being ejected out of the back-off ejection mechanism and the like. Because the product uses the plastic material characteristic, the mould temperature needs 150 ℃ high temperature shaping (the mould needs the heating and intensification), and the mould needs the manual work to put into behind inserts (metal terminal and copper sheathing) the shaping in the injection moulding process. The spring cannot be used singly by using the traditional fixed die for ejection (the spring can only be used in an auxiliary way), and the high temperature of the die has great influence on the service life of the spring. Receive mould size and space restriction, again can not use outer hanging mechanism, and because of mould temperature and artifical inserts operation influence of implanting, the movable mould can not have the mechanism that exceeds the die joint, otherwise operating personnel has the risk of scald and product to take out the difficulty, consequently need design research and development a novel mechanism to solve this type of plastic product mould functional requirement to ensure mould production stability and improve mould life.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned prior art, the utility model provides a bolt formula clamping mechanism to ensure the stability of mould production, improve mould life simultaneously.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the bolt type mold locking mechanism comprises a bolt, a lock pin and a locking seat; the bolt comprises a pin rod and a pin head, the pin rod is fixed on a fixed die fixing plate of the die, the tail end of the pin rod is fixedly connected with the pin head, and a trapezoidal groove is formed in the pin head; the lock pin comprises a lock rod and a lock head, the lock rod is fixed on an ejector pin fixing plate in the mould, the tail end of the lock rod is fixedly connected with the lock head, the lock head is provided with a wedge-shaped groove, the ejector pin fixing plate is movably arranged on a fixed mould plate of the mould, and a fixed mould ejector pin is arranged on the ejector pin fixing plate; the bolt and the lock pin are mutually overlapped, and the head of the lock pin is longer than the lock head; the locking seat comprises a shell, the shell is fixed on a movable template of the die, an installation cavity is arranged in the shell, a locking block is arranged in the installation cavity, and a spring is fixedly connected to the side part of the locking block; the shell is provided with a channel communicated with the mounting cavity, and the pin head and the lock head can penetrate through the shell from the channel and are matched with the locking block to finish demoulding and mould locking operations.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the pin rod and the pin head are integrally formed; the lock rod and the lock head are integrally formed.
Furthermore, the movable distance S2 of the thimble fixing plate on the fixed die plate is more than or equal to the distance S1 between the wedge-shaped groove and the end part of the trapezoidal groove.
Further, the thimble fixing plate comprises a fixed die thimble back plate and a fixed die thimble plate which are overlapped together, the end part of the fixed die thimble is connected with the fixed die thimble back plate, and the needle body of the fixed die thimble is fixed on the fixed die thimble plate.
Further, the bolt, the lock pin and the locking seat are positioned inside the mold.
Furthermore, the locking block is square on the whole, and one side of the locking block facing the pin head and the lock head is provided with a trapezoidal protrusion.
The utility model has the advantages that:
1. the clamping mechanism in the utility model is a mechanical mechanism, which can effectively avoid the risk of the mould failure caused by high temperature, prolong the service life of the mould and improve the production stability.
2. The mold locking mechanism in the utility model has small structure, does not occupy too much space of the mold, has low processing and maintenance cost, and is suitable for a plurality of molds similar to a fixed mold ejection structure, in particular to a fixed mold built-in small ejector pin plate structure; the side parting surface of the moving die of the mechanism is flat, and other manual auxiliary operations and products are easy to take out.
Drawings
FIG. 1 is a front view of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a perspective view of the latch;
FIG. 4 is a perspective view of the locking pin;
FIG. 5 is a cross-sectional view of the locking socket;
FIG. 6 is a front view of the needle retaining plate;
wherein, 1, fixing the die fixing plate; 2. fixing a template; 3. moving the template; 4. a bolt; 41. a pin rod; 42. a pin head; 43. a trapezoidal groove; 5. a lock pin; 51. a lock lever; 52. a lock head; 53. a wedge-shaped groove; 6. a locking seat; 61. a housing; 62. a mounting cavity; 63. a locking block; 64. a spring; 65. a channel; 7. a thimble fixing plate; 71. fixing a fixed die thimble back plate; 72. fixing a mould ejector plate; 8. a fixed die thimble; s1, the distance between the wedge-shaped groove and the end part of the trapezoidal groove; and S2, moving distance of the thimble fixing plate on the fixed die plate.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
The embodiment of the utility model provides an in, as shown in fig. 1 ~ 6, provide a bolt formula clamping mechanism, clamping mechanism in the utility model includes bolt 4, lockpin 5 and locking seat 6. As shown in fig. 1 to 3, the plug pin 4 is made of a heat-resistant and hard material, and includes a pin rod 41 and a pin head 42, the pin rod 41 is fixed on the fixed die fixing plate 1 of the die, the end of the pin rod is fixedly connected with the pin head 42, and the pin head 42 is provided with a trapezoidal groove 43; in order to ensure the stable connection between the pin rod 41 and the pin head 42, the pin rod 41 and the pin head 42 are preferably integrally formed. As shown in fig. 1, 2 and 5, the lock pin 5 is made of the same material as the plug pin 4, and includes a lock rod 51 and a lock head 52, the lock rod 51 is fixed on the thimble fixing plate 7 in the mold, the lock head 52 is fixedly connected to the end of the lock rod, and the lock head 52 is provided with a wedge-shaped groove 53. A fixed mold thimble 8 is arranged on the thimble fixing plate 7, the thimble fixing plate 7 is movably arranged on the fixed mold plate 2 of the mold in a sliding chute connection mode and the like, and can slide back and forth on the fixed mold plate 2 under the driving of the lock pin 5, so that the fixed mold thimble 8 is driven to move to eject a product in the fixed mold plate 2, and the product is separated from the fixed mold plate; in order to make the connection of the fixed mold thimble 8 more secure, in a preferred embodiment of the present invention, as shown in fig. 6, the fixing plate 7 includes a fixed mold thimble back plate 71 and a fixed mold thimble plate 72 which are stacked together, the end of the fixed mold thimble 8 is connected to the fixed mold thimble back plate 71, and the body of the fixed mold thimble 8 is fixed to the fixed mold thimble plate 72. As shown in fig. 5, the locking seat 6 includes a housing 61, the housing 61 is made of the same material as the plug pin, the housing 61 is fixed on the movable mold plate 3 of the mold, an installation cavity 62 is formed inside the housing 61, a locking block 63 is formed inside the installation cavity 62, a spring 64 is fixedly connected to a side portion of the locking block 63, a channel 65 communicated with the installation cavity 62 is formed in the housing 61, and the pin head 42 and the lock head 52 can penetrate through the housing 61 from the channel 65 and cooperate with the locking block 63 to complete the operation of demolding and mold locking. In a preferred embodiment of the present invention, in order to make the locking block 63 better fit with the trapezoidal groove 43 of the pin head 42 and the wedge groove 53 of the lock head 52, the locking block 63 is formed in a square shape as a whole, and is provided with a trapezoidal protrusion on a side thereof facing the pin head 42 and the lock head 52.
As shown in fig. 1 and 2, the bolt 4, the lock pin 5 and the locking seat 6 are installed inside the mold, the bolt 4 and the lock pin 5 are overlapped together during operation, and the length of the head 42 is greater than that of the locking head 52; as shown in fig. 2, the movable distance of the ejector fixing plate 7 on the stationary platen 2 is S2, and the distance between the wedge groove 53 and the end of the trapezoidal groove 43 after mold clamping is S1. In the utility model, the working process of bolt-type clamping mechanism is as follows:
when the mold is opened, the fixed mold fixing plate 1 and the fixed mold plate 2 are fixed, the movable mold plate 3 moves downwards (in the direction in the drawing), the locking block 63 and the lock pin 5 are forced to drive the thimble fixing plate 7 to move downwards synchronously, and a product is separated from the fixed mold;
when the mold opening distance reaches S1, the bolt 4 pulls the locking block 63 to the right, so that the lock pin 5 is separated from the locking block 63, and the downward mold opening action is continued until the mold opening is finished; the locking block 63 returns to the original position to the left under the force of the spring 64;
when the die is closed, the plug pin is firstly contacted with the locking block 63, the locking block 63 is pulled to the right, the lock pin smoothly enters, and the reset rod returns the thimble fixing plate 7 and the fixed die thimble 8 to the original position along the upward direction.
When the mold is completely closed, the locking pin 5 is tightly matched with the locking block 63, and the mold opening action can be repeated.
While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be considered as limited to the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (6)
1. The utility model provides a bolt formula clamping mechanism which characterized in that: comprises a bolt (4), a lock pin (5) and a locking seat (6); the bolt (4) comprises a pin rod (41) and a pin head (42), the pin rod (41) is fixed on a fixed die fixing plate (1) of the die, the tail end of the pin rod is fixedly connected with the pin head (42), and a trapezoidal groove (43) is formed in the pin head (42); the locking pin (5) comprises a locking rod (51) and a locking head (52), the locking rod (51) is fixed on a thimble fixing plate (7) in the mould, the tail end of the locking rod is fixedly connected with the locking head (52), a wedge-shaped groove (53) is formed in the locking head (52), the thimble fixing plate (7) is movably arranged on a fixed mould plate (2) of the mould, and a fixed mould thimble (8) is arranged on the thimble fixing plate (7); the bolt (4) and the lock pin (5) are mutually overlapped, and the length of the pin head (42) is larger than that of the lock head (52); locking seat (6) include casing (61), casing (61) are fixed in on movable mould board (3) of mould, and its inside is provided with installation cavity (62), be provided with latch segment (63) in installation cavity (62), latch segment (63) lateral part fixedly connected with spring (64), be provided with on casing (61) with communicating passageway (65) of installation cavity (62), round pin head (42) and tapered end (52) can be followed pass in passageway (65) casing (61), and with latch segment (63) cooperate in order to accomplish drawing of patterns and mode locking operation.
2. A pin clamping mechanism according to claim 1, wherein: the pin rod (41) and the pin head (42) are integrally formed; the lock rod (51) and the lock head (52) are integrally formed.
3. A pin clamping mechanism according to claim 1, wherein: the moving distance (S2) of the thimble fixing plate (7) on the fixed die plate (2) is more than or equal to the distance (S1) between the wedge-shaped groove (53) and the end part of the trapezoidal groove (43).
4. A pin clamping mechanism according to claim 1, wherein: thimble fixed plate (7) are including overlapping cover half thimble backplate (71) and cover half thimble board (72) together, the tip of cover half thimble (8) with cover half thimble backplate (71) meet, and the needle body of cover half thimble (8) is fixed on cover half thimble board (72).
5. A pin clamping mechanism according to claim 1, wherein: the bolt (4), the lock pin (5) and the locking seat (6) are positioned in the die.
6. A pin clamping mechanism according to claim 1, wherein: the locking piece (63) is square as a whole, and one side of the locking piece facing the pin head (42) and the lock head (52) is provided with a trapezoidal protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020472506.3U CN212097386U (en) | 2020-04-02 | 2020-04-02 | Bolt type clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020472506.3U CN212097386U (en) | 2020-04-02 | 2020-04-02 | Bolt type clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212097386U true CN212097386U (en) | 2020-12-08 |
Family
ID=73635877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020472506.3U Expired - Fee Related CN212097386U (en) | 2020-04-02 | 2020-04-02 | Bolt type clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212097386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115871165A (en) * | 2023-03-08 | 2023-03-31 | 江苏林泉汽车装饰件有限公司 | Automotive interior material processing device and automotive interior material |
-
2020
- 2020-04-02 CN CN202020472506.3U patent/CN212097386U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115871165A (en) * | 2023-03-08 | 2023-03-31 | 江苏林泉汽车装饰件有限公司 | Automotive interior material processing device and automotive interior material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |