CN215661674U - Shock absorption structure of injection mold - Google Patents
Shock absorption structure of injection mold Download PDFInfo
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- CN215661674U CN215661674U CN202122126850.4U CN202122126850U CN215661674U CN 215661674 U CN215661674 U CN 215661674U CN 202122126850 U CN202122126850 U CN 202122126850U CN 215661674 U CN215661674 U CN 215661674U
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Abstract
The utility model discloses a damping structure of an injection mold, which comprises a fixed seat and a damping piece main body, wherein the damping piece main body comprises a movable sleeve and a fixed sleeve, one end of the movable sleeve is provided with a movable plug, the movable plug is arranged in the fixed sleeve and is fixedly connected with a metal spring arranged in the fixed sleeve, the upper half part of the side wall of the movable sleeve is provided with a first sliding groove, a first damping piece is arranged in the first sliding groove, the lower half part of the side wall of the movable sleeve is provided with a second sliding groove, and a second damping piece is arranged in the second sliding groove; this injection mold's shock-absorbing structure includes fixed sleeve and activity sleeve, contains two buffer structure in the activity sleeve, can be in constantly advancing of air pump, and the holding power that makes fixed sleeve receive when the whereabouts of activity sleeve constantly obtains strengthening, stability when increasing substantially upper die base and die holder cooperation, and shock-absorbing structure's life has also obtained corresponding promotion simultaneously.
Description
Technical Field
The utility model relates to the technical field of mold processing, in particular to a damping structure of an injection mold.
Background
The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification. Publication (bulletin) No.: CN211389857U discloses an injection mold, which comprises an upper platform, a lower platform, an injection liquid tank, an upper mold device, a lower mold device and a cooling device; be connected with the bracing piece between lower platform and the upper platform, the liquid case of moulding plastics is installed at the upper platform top, and the upper platform bottom is equipped with mould device, goes up mould device and includes moulding-die, shock attenuation pole and cylinder, and the cylinder is installed in the upper platform bottom, is connected through the shock attenuation pole between cylinder and the last moulding-die top. The pushing unit of the injection mold is connected with the upper pressing mold through the shock absorption rod and used for reducing impact between the two mold bases when the upper pressing mold is matched with the lower pressing mold.
However, the damping rod of the injection mold adopts a design of a single group of metal springs, so that the damping rod is easy to break in long-time use, the working strength and the damping capacity cannot be guaranteed, and the safety effect is poor. In this regard, improvements are needed.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a shock absorbing structure of an injection mold, so as to solve the problems of the related art.
In order to achieve the purpose, the utility model provides the following technical scheme:
a damping structure of an injection mold comprises a fixed seat and a damping piece main body, wherein a lower die seat and an upper die seat are arranged in the fixed seat, and the upper die seat is connected with an air cylinder output end arranged at the upper end of the fixed seat through the damping piece main body;
the damping part main body comprises a movable sleeve and a fixed sleeve, wherein one end of the movable sleeve is provided with a movable plug, and the movable plug is arranged in the fixed sleeve and is fixedly connected with a metal spring arranged in the fixed sleeve;
the first sliding groove is formed in the upper half portion of the side wall of the movable sleeve, a first buffering piece is arranged in the first sliding groove and matched with the first sliding groove, the second sliding groove is formed in the lower half portion of the side wall of the movable sleeve, a second buffering piece is arranged in the second sliding groove and matched with the second sliding groove, and the first buffering piece and the second buffering piece are staggered mutually and correspond to the fixed sleeve.
Preferably, the first buffer part comprises a first tube cavity arranged at the upper half part in the movable sleeve barrel body, a spring is arranged in the first tube cavity, one end of the spring is fixedly connected with the bottom wall of the first tube cavity, the other end of the spring is provided with a first pressing block, and two ends of the first pressing block penetrate through the first sliding groove and are movably matched with the first sliding groove.
Preferably, the second buffer part comprises a second tube cavity arranged at the lower half part in the movable sleeve barrel body, a spring is arranged in the second tube cavity, one end of the spring is fixedly connected with the bottom wall of the second tube cavity, a second pressing block is arranged at the other end of the spring, and two ends of the second pressing block penetrate through the second sliding groove and are movably matched with the second sliding groove.
Preferably, the movable sleeve is provided with a first mounting part at one end far away from the movable plug, and the first mounting part is fixedly connected with the output end of the cylinder through a bolt part.
Preferably, one end, far away from the movable stopper, of the fixing sleeve is provided with a second mounting part, and a bolt part of the second mounting part is fixedly connected with the upper end face of the upper die base.
Preferably, a cross clamping groove is formed in the pipe orifice of the fixed sleeve matched with the movable sleeve, and the cross clamping groove is matched with the first pressing block and the second pressing block.
Preferably, the diameter of the pipe orifice of the fixed sleeve matched with the movable sleeve is smaller than that of the movable plug.
Preferably, the pipe wall of the inner side of the fixed sleeve is provided with a wear-resistant layer, and the wear-resistant layer is in sliding fit with the outer wall of the movable plug.
Compared with the prior art, the utility model has the beneficial effects that: this injection mold's shock-absorbing structure includes fixed sleeve and activity sleeve, contains two buffer structure in the activity sleeve, can make fixed sleeve receive the holding power constantly and obtain strengthening when the whereabouts of activity sleeve in the continuous propulsion of air pump, stability when increasing substantially upper die base and die holder cooperation, and shock-absorbing structure's life has also obtained corresponding promotion simultaneously.
Drawings
Fig. 1 is a schematic structural view of a shock-absorbing structure of an injection mold.
Fig. 2 is a schematic structural view of a movable sleeve in a shock-absorbing structure of an injection mold.
Fig. 3 is a schematic structural view of a fixing sleeve in a shock-absorbing structure of an injection mold.
Fig. 4 is a schematic structural view of a cross-shaped clamping groove in a damping structure of an injection mold.
In the figure: 1. a fixed seat; 2. a lower die holder; 3. an upper die holder; 4. a damper body; 5. a cylinder; 6. a movable plug; 7. a movable sleeve; 8. a first mounting member; 9. a first chute; 10. a first pressing block; 11. a second chute; 12. a second pressing block; 13. a second mount; 14. fixing the sleeve; 15. a metal spring; 16. a wear layer; 17. a first lumen; 18. a second lumen; 19. a cross clamping groove.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-4, in an embodiment of the present invention, a damping structure of an injection mold includes a fixing base 1 and a damping member main body 4, a lower die base 2 and an upper die base 3 are disposed in the fixing base 1, and the upper die base 3 is connected to an output end of an air cylinder 5 disposed at an upper end of the fixing base 1 through the damping member main body 4; the output end of the air cylinder 5 is connected with the lower die holder 2 through the damping piece main body 4 and is used for pushing the lower die holder 2 to press down, so that the upper die holder 3 is matched with the lower die holder 2. The damping part body 4 comprises a movable sleeve 7 and a fixed sleeve 14, one end of the movable sleeve 7 is provided with a movable plug 6, and the movable plug 6 is arranged in the fixed sleeve 14 and is fixedly connected with a metal spring 15 arranged in the fixed sleeve 14;
a first sliding groove 9 is formed in the upper half part of the side wall of the movable sleeve 7, a first buffer part is arranged in the first sliding groove 9 and matched with the first sliding groove 9, a second sliding groove 11 is formed in the lower half part of the side wall of the movable sleeve 7, a second buffer part is arranged in the second sliding groove 11 and matched with the second sliding groove 11, and the first buffer part and the second buffer part are staggered and correspond to the fixed sleeve 14; the air cylinder 5 pushes the movable sleeve 7 to enable the movable plug 6 to slide in the fixed sleeve 14 and extrude the metal spring 15 to buffer the acting force, the pushing is continued, the first buffer parts on two sides of the movable sleeve 7 are in contact with the end wall of the fixed sleeve 14 and slide along the first sliding groove 9 to buffer the acting force for the second time, then the pushing is continued, the second buffer parts on the other two sides of the movable sleeve 7 are in contact with the end wall of the fixed sleeve 14 and slide along the second sliding groove 11 to buffer the acting force for the third time; the multi-stage buffer structure can continuously strengthen the supporting force of the fixed sleeve 14 when the movable sleeve 7 falls down, and greatly improve the stability of the upper die base 3 in matching with the lower die base 2.
The first buffer piece comprises a first tube cavity 17 arranged at the upper half part in the barrel body of the movable sleeve 7, a spring is arranged in the first tube cavity 17, one end of the spring is fixedly connected with the bottom wall of the first tube cavity 17, the other end of the spring is provided with a first pressing block 10, and two ends of the first pressing block 10 penetrate through the first sliding groove 9 and are movably matched with the first sliding groove 9; when the movable sleeve 7 falls, the first pressing block 10 slides along the first sliding groove 9 under the pushing of the fixed sleeve 14, and simultaneously presses the spring in the first tube cavity 17, so that the buffering purpose is achieved.
The second buffer piece comprises a second tube cavity 18 arranged at the lower half part in the barrel body of the movable sleeve 7, a spring is arranged in the second tube cavity 18, one end of the spring is fixedly connected with the bottom wall of the second tube cavity 18, a second pressing block 12 is arranged at the other end of the spring, and two ends of the second pressing block 12 penetrate through the second sliding groove 11 and are movably matched with the second sliding groove 11. When the movable sleeve 7 falls, the second pressing block 12 slides along the second sliding groove 11 under the pushing of the fixed sleeve 14, and meanwhile, the spring in the second pipe cavity 18 is extruded, so that the buffering purpose is achieved.
The movable sleeve 7 is far away from movable stopper 6 one end and is equipped with first installed part 8, and first installed part 8 passes through bolt spare and cylinder 5 output end fixed connection. One end of the fixed sleeve 14, which is far away from the movable plug 6, is provided with a second mounting part 13, and a bolt part of the second mounting part 13 is fixedly connected with the upper end face of the upper die base 3.
A cross clamping groove 19 is formed in the pipe orifice of the fixed sleeve 14 matched with the movable sleeve 7, and the cross clamping groove 19 is matched with the first pressing block 10 and the second pressing block 12; the cylinder 5 promotes movable sleeve 7, make movable stopper 6 slide and extrude metal spring 15 in fixed sleeve 14, in constantly advancing, first briquetting 10 on the first bolster can cooperate with two grooves on the cross draw-in groove 19, second briquetting 12 on the second bolster can cooperate with two other grooves on the cross draw-in groove 19, thereby play the limiting displacement to first briquetting 10 and second briquetting 12, improve the propulsive stability of first briquetting 10 and second briquetting 12 in first spout 9 and second spout 11.
The diameter of the pipe orifice of the fixed sleeve 14 matched with the movable sleeve 7 is smaller than that of the movable plug 6; the inner side pipe wall of the fixed sleeve 14 is provided with a wear-resistant layer 16, and the wear-resistant layer 16 is in sliding fit with the outer wall of the movable plug 6. The diameter of the pipe orifice of the fixed sleeve 14 is smaller than that of the movable plug 6, so that the movable plug 6 is prevented from being separated from the fixed sleeve 14, the wear-resistant layer 16 arranged in the fixed sleeve 14 plays a role in protecting the fixed sleeve 14, the friction loss generated between the movable plug 6 and the fixed sleeve 14 is reduced, and the service life of the damping part main body 4 is prolonged.
Utility model's theory of operation: the cylinder 5 pushes the movable sleeve 7, so that the movable plug 6 slides in the fixed sleeve 14 and extrudes the metal spring 15 to buffer the acting force, the pushing is continued, the movable sleeve 7 falls, the first pressing block 10 slides along the first sliding groove 9 under the pushing of the fixed sleeve 14, meanwhile, the spring in the first pipe cavity 17 is extruded, the acting force is buffered for the second time, the movable sleeve 7 continues to fall, the second pressing block 12 slides along the second sliding groove 11 under the pushing of the fixed sleeve 14, the spring in the second pipe cavity 18 is extruded, the second buffering elements on the other two sides of the movable sleeve 7 are in contact with the end wall of the fixed sleeve 14 and slide along the second sliding groove 11 to buffer the acting force for the third time; the multi-stage buffer structure can continuously strengthen the supporting force of the fixed sleeve 14 when the movable sleeve 7 falls, greatly improve the stability of the upper die base 3 in matching with the lower die base 2, and correspondingly strengthen the working strength of the damping structure.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
Claims (8)
1. The utility model provides an injection mold's shock-absorbing structure, includes fixing base (1) and damper main part (4), be equipped with die holder (2) and upper die base (3) in fixing base (1), upper die base (3) are connected its characterized in that through damper main part (4) and cylinder (5) output of establishing in fixing base (1) upper end:
the damping part main body (4) comprises a movable sleeve (7) and a fixed sleeve (14), a movable plug (6) is arranged at one end of the movable sleeve (7), and the movable plug (6) is arranged in the fixed sleeve (14) and is fixedly connected with a metal spring (15) arranged in the fixed sleeve (14);
first spout (9) have been seted up to the first half of activity sleeve (7) lateral wall, be equipped with first bolster in first spout (9), first bolster and first spout (9) cooperation, second spout (11) have been seted up to the lower half of activity sleeve (7) lateral wall, be equipped with the second bolster in second spout (11), the second bolster cooperates with second spout (11), first bolster staggers mutually and corresponds with fixed sleeve (14) with the second bolster.
2. The shock absorption structure of an injection mold according to claim 1, wherein the first buffer member comprises a first tube cavity (17) arranged at the upper half part in the body of the movable sleeve (7), a spring is arranged in the first tube cavity (17), one end of the spring is fixedly connected with the bottom wall of the first tube cavity (17), a first pressing block (10) is arranged at the other end of the spring, and two ends of the first pressing block (10) penetrate through the first sliding grooves (9) and are movably matched with the first sliding grooves (9).
3. The shock-absorbing structure of an injection mold according to claim 1, characterized in that the second buffer member comprises a second tube cavity (18) arranged at the lower half part in the body of the movable sleeve (7), a spring is arranged in the second tube cavity (18), one end of the spring is fixedly connected with the bottom wall of the second tube cavity (18), a second pressing block (12) is arranged at the other end of the spring, and two ends of the second pressing block (12) penetrate through the second sliding groove (11) and are movably matched with the second sliding groove (11).
4. An injection mould shock-absorbing structure as claimed in claim 1, wherein the end of the movable sleeve (7) away from the movable plug (6) is provided with a first mounting part (8), and the first mounting part (8) is fixedly connected with the output end of the air cylinder (5) through a bolt piece.
5. An injection mould cushioning structure as claimed in claim 1, wherein said fixed sleeve (14) is provided with a second mounting member (13) at an end thereof remote from said movable plug (6), said second mounting member (13) being a bolt member fixedly connected to an upper end surface of said upper die holder (3).
6. A shock-absorbing structure for an injection mould according to any one of claims 2 to 3, wherein a cross clamping groove (19) is formed at the pipe orifice of the fixed sleeve (14) which is matched with the movable sleeve (7), and the cross clamping groove (19) is matched with the first pressing block (10) and the second pressing block (12).
7. An injection mold shock-absorbing structure as claimed in claim 1, wherein the fixed sleeve (14) and the movable sleeve (7) are fitted with a nozzle diameter smaller than the diameter of the movable stopper (6).
8. An injection mould shock-absorbing structure as claimed in claim 7, wherein the inner side tube wall of said fixed sleeve (14) is provided with a wear-resistant layer (16), and said wear-resistant layer (16) is in sliding fit with the outer wall of said movable plug (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122126850.4U CN215661674U (en) | 2021-09-06 | 2021-09-06 | Shock absorption structure of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122126850.4U CN215661674U (en) | 2021-09-06 | 2021-09-06 | Shock absorption structure of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215661674U true CN215661674U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122126850.4U Active CN215661674U (en) | 2021-09-06 | 2021-09-06 | Shock absorption structure of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215661674U (en) |
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2021
- 2021-09-06 CN CN202122126850.4U patent/CN215661674U/en active Active
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