CN219028322U - Injection mold with buffer structure - Google Patents

Abstract

The utility model relates to the technical field of injection molds, in particular to an injection mold with a buffer structure, which comprises: the automatic feeding device comprises a supporting seat, a protection box, a lower die, a fixing seat, a motor, an upper die, a feeding seat and a switch, wherein the supporting seat is arranged above the supporting seat, the lower die is arranged inside the protection box, the fixing seats are fixed at the upper ends of two sides of the supporting seat, one end of the fixing seat, which is far away from the protection box, is fixedly connected with the motor, the switch is arranged below the motor, the switch is fixed on the outer wall of the fixing seat, the upper die is arranged above the protection box, the feeding seat is fixed at the top end of the upper die, the buffering structure comprises fixing rods, and the fixing rods are fixed on the outer walls of two sides of the upper die. The utility model realizes that the injection mold has the buffer part in the injection molding process, can fully buffer the injection mold, can avoid manual demolding, and improves the stability and safety of the device.

Description

Injection mold with buffer structure

Technical Field

The utility model relates to the technical field of plastic molds, in particular to an injection mold with a buffer structure.

Background

The injection mold technology is continuously innovated and developed along with the improvement of industrial technology, the plastic industry is synchronously and rapidly developed, the precision and quality are continuously improved, the application range of plastic products is wide, the injection mold is widely applied to daily life, the injection mold is divided into a movable mold and a fixed mold, a buffer structure is a structure capable of slowing down the action of force after the action of force, and the structure is widely applied to various machines;

in the injection molding process, a buffer structure is often needed to reduce the action of force, for example, patent document with publication number CN201821265619.5 discloses an injection mold with a buffer structure, through a frame, a lower die holder is fixedly connected to the inner surface of the bottom of the frame, telescopic rods are symmetrically and fixedly connected to the inner surface of the top of the frame, an air cylinder is arranged between the two telescopic rods, the bottom ends of the two telescopic rods are fixedly connected with the same mounting plate, buffer grooves are symmetrically formed in the lower surface of the mounting plate, an upper die holder is arranged between the two buffer grooves, the upper die holder is positioned above the lower die holder, sliding grooves are formed in the inner walls of the two sides of the frame, buffer devices are fixedly connected to the inner surfaces of the bottom of the two sliding grooves, each buffer device comprises a buffer block, a buffer cavity is formed in the inner surface of the bottom of each buffer block, and springs are fixedly connected to the inner surfaces of the bottom of each buffer cavity, so that the buffer structure is not particularly obvious in the aspect of the buffer effect, and a plurality of problems exist in the use of the device;

1, the prior device has single design of a common buffer structure, and usually, the buffer structure has too few buffer components and is not particularly comprehensive for the protection of a machine body, so that a plurality of buffer units form the buffer components to play a better role in buffering;

2, the existing device usually performs demolding manually after injection molding of the injection mold is completed, and in this process, the injection mold completed by injection molding has high temperature, which is particularly easy to cause damage to human body, so that an injection mold with a buffer structure is needed to solve the above problems.

Disclosure of Invention

The utility model aims to provide an injection mold with a buffer structure, so as to solve the problems that the prior device provided in the background art is generally single in the design of the buffer structure, usually has too few buffer components for protecting a machine body, and is not particularly comprehensive, so that a plurality of buffer units can play a better role in buffering the buffer components, the prior device usually performs manual mold stripping after the injection molding of the injection mold is finished, and the injection molded mold has high temperature and is particularly easy to cause damage to a human body in the process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an injection mold with a cushioning structure, comprising: the device comprises a supporting seat, a protection box, a lower die, a fixing seat, a motor and an upper die. A feeding seat and a switch;

the device comprises a supporting seat, wherein a protection box is arranged above the supporting seat, a lower die is arranged inside the protection box, fixed seats are fixed at the upper ends of two sides of the supporting seat, a motor is fixedly connected to one end of the fixed seat, which is far away from the protection box, a switch is arranged below the motor and is fixed on the outer wall of the fixed seat, an upper die is arranged above the protection box, and a feeding seat is fixed at the top end of the upper die;

the buffering structure comprises fixing rods, the fixing rods are fixed on the outer walls of two sides of the upper die, one end, away from the upper die, of each fixing rod is fixedly connected with a first sliding block, each first sliding block is inserted into a first sliding groove, each first sliding groove is arranged in a fixed seat, a first cushion block is fixedly connected to the middle of the bottom end of each protection box, an inserting plate is fixed to the bottom end of each first cushion block, each inserting plate is inserted into each inserting groove, each inserting groove is arranged in each supporting block, each supporting block is fixed to the middle of the top end of each supporting seat, and springs are wound on the surfaces of the corresponding inserting plates;

the safety structure comprises a rotating rod, and one end of the rotating rod is fixedly connected with an output shaft of the motor;

preferably, the jacks are formed in the outer walls of two sides of the lower die, the limiting rods are inserted into the jacks, one ends, far away from the jacks, of the limiting rods are fixedly connected with second sliding blocks, the second sliding blocks are inserted into second sliding grooves, and the second sliding grooves are formed in the fixing seats.

Preferably, the protection case bottom mounting has the second cushion, the second cushion sets up in first cushion both sides, second cushion bottom fixedly connected with telescopic link, telescopic link bottom fixedly connected with third cushion.

Preferably, the bottom end of the third cushion block is slidably connected with a moving rod, one end of the moving rod, which is far away from the third cushion block, is fixedly connected with a third sliding block, the third sliding block is inserted into a third sliding groove, and the third sliding groove is arranged in the supporting seat.

Preferably, the first gear of bull stick outer wall fixedly connected with, first gear is connected with the second gear through tooth meshing, second gear bottom fixedly connected with threaded rod, threaded rod outer wall is through threaded connection has the swivel nut, swivel nut rear end fixedly connected with fixed plate, fixed plate rear end fixedly connected with movable plate, the movable plate outer wall is provided with protruding piece, protruding piece inserts and establishes inside the socket, the socket sets up inside the bed die.

Preferably, the limiting plate is fixedly connected to the rear end of the moving plate, the inserting rod is fixedly connected to the rear end of the limiting plate and inserted into the inserting cavity, the inserting cavity is formed in the supporting plate, and the supporting plate is fixed to the inner wall of the protection box.

Compared with the prior art, the utility model has the beneficial effects that:

1. this injection mold with buffer structure is provided with buffer structure, after the beginning of moulding plastics, the material gets into the mould from the feed seat, and then gets into inside the bed die, under the effect that receives, fixes the picture peg in first cushion bottom and begins to carry out the downwardly moving, and the picture peg surface winding has the spring, under the effect of spring, reduces the effect that receives, through this design, realizes that the device has the buffering effect at the in-process of moulding plastics, makes the device more stable, has improved the stability and the practicality of device.

2. This injection mold with buffer structure is provided with the safety structure, open the switch, the motor begins the work, under the effect of motor, the bull stick begins to rotate, under the cooperation of first gear and second gear, the threaded rod of fixing in the second gear bottom begins synchronous rotation, the swivel nut moves afterwards, drive the movable plate and move in step, finally drive down the mould and remove, because of the too high mould temperature after the completion of moulding plastics, be unfavorable for the manual work to take, through this design, can make the device remove the box through the mould that the manual work will mould plastics, the security of device has been improved.

Drawings

FIG. 1 is a schematic elevational cross-sectional view of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional elevation view showing the motion state structure of the lower mold, the screw sleeve, the protruding block and the moving plate of the present utility model;

FIG. 3 is a schematic side view in cross-section of a partial structure of the present utility model;

FIG. 4 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model;

fig. 5 is an enlarged schematic view of the structure at B in fig. 2 according to the present utility model.

In the figure: 1. a support base; 21. a protection box; 22. a lower die; 23. a fixing seat; 24. a motor; 25. an upper die; 26. a feeding seat; 27. a switch; 3. a buffer structure; 31. a fixed rod; 32. a first slider; 33. a first chute; 34. a limit rod; 35. a second slider; 36. a second chute; 37. a first pad; 38. inserting plate; 39. a slot; 41. a support block; 42. a spring; 43. a second cushion block; 44. a telescopic rod; 45. a third cushion block; 46. a moving rod; 47. a third slider; 48. a third chute; 5. a safety structure; 51. a rotating rod; 52. a first gear; 53. a second gear; 54. a threaded rod; 55. a screw sleeve; 56. a socket; 57. a protruding block; 58. a moving plate; 59. a fixing plate; 61. a support plate; 62. inserting a cavity; 63. a rod; 64. a limiting plate; 65. and a jack.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided:

an injection mold with a cushioning structure, comprising: the device comprises a supporting seat 1, a protection box 21, a lower die 22, a fixed seat 23, a motor 24 and an upper die 25. A feed block 26 and a switch 27;

the supporting seat 1, the protection box 21 is arranged above the supporting seat 1, the lower die 22 is arranged inside the protection box 21, the fixed seat 23 is fixed at the upper ends of the two sides of the supporting seat 1, one end of the fixed seat 23 far away from the protection box 21 is fixedly connected with the motor 24, the switch 27 is arranged below the motor 24, the switch 27 is fixed on the outer wall of the fixed seat 23, the upper die 25 is arranged above the protection box 21, the feeding seat 26 is fixed at the top end of the upper die 25, the jack 65 is arranged on the outer wall of the two sides of the protection box 21, the limit rod 34 is inserted in the jack 65, the second slide block 35 is fixedly connected with one end of the limit rod 34 far away from the jack 65, the second slide block 35 is inserted in the second slide groove 36, the second slide groove 36 is arranged in the fixed seat 23, through the design, the limiting effect on the protection box 21 is realized, the stability of the device is improved, the second cushion block 43 is fixed at the bottom end of the protection box 21, the second cushion block 43 is arranged on two sides of the first cushion block 37, the telescopic rod 44 is fixedly connected at the bottom end of the second cushion block 43, the third cushion block 45 is fixedly connected at the bottom end of the telescopic rod 44, the buffer effect on the protection box 21 is realized, the whole buffer effect of the device is improved, the movable rod 46 is slidingly connected at the bottom end of the third cushion block 45, the third slide block 47 is fixedly connected at one end of the movable rod 46 far away from the third cushion block 45, the third slide block 47 is inserted into the third slide groove 48, the third slide groove 48 is arranged in the support seat 1, and by the design, the buffer effect on the force of the third cushion block 45 is realized under the action of the third slide block 47, so that the buffer effect of the device is improved;

the buffer structure 3, the buffer structure 3 comprises fixing rods 31, the fixing rods 31 are fixed on the outer walls of the two sides of the upper die 25, one end, far away from the upper die 25, of each fixing rod 31 is fixedly connected with a first sliding block 32, each first sliding block 32 is inserted into one first sliding groove 33, each first sliding groove 33 is arranged in each fixing seat 23, a first cushion block 37 is fixedly connected to the middle of the bottom end of each protection box 21, a plugboard 38 is fixed to the bottom end of each first cushion block 37, each plugboard 38 is inserted into one slot 39, each slot 39 is arranged in one supporting block 41, each supporting block 41 is fixed to the middle of the top end of each supporting seat 1, and springs 42 are wound on the surface of each plugboard 38;

the safety structure 5, the safety structure 5 is including bull stick 51, the one end of bull stick 51 and the output shaft fixed connection of motor 24, bull stick 51 outer wall fixedly connected with first gear 52, first gear 52 is connected with second gear 53 through the tooth meshing, second gear 53 bottom fixedly connected with threaded rod 54, threaded rod 54 outer wall is through threaded connection there being swivel nut 55, swivel nut 55 rear end fixedly connected with fixed plate 59, fixed plate 59 rear end fixedly connected with movable plate 58, movable plate 58 outer wall is provided with protruding piece 57, protruding piece 57 inserts in socket 56 inside, socket 56 sets up in lower mould 22 inside, through this design, can make the mould that the completion of moulding plastics break away from guard box 21 through the machine, make the device security obtain improving, movable plate 58 rear end fixedly connected with limiting plate 64, limiting plate 64 rear end fixedly connected with inserted bar 63, inserted bar 63 is inside inserting cavity 62, inserting cavity 62 sets up inside backup pad 61, backup pad 61 is fixed at the inner wall of guard box 21, through this design, realize the spacing effect to movable plate 58 under the effect of limiting plate 64, the stability of device has been improved.

Working principle:

when the buffering effect needs to be reflected, when the injection molding process starts, materials enter the upper die 25 from the feeding seat 26, then enter the lower die 22, after entering the lower die 22, the inner effect is that the protective box 21, then the first cushion block 37 receives the force, moves downwards, the plugboard 38 fixed at the bottom end of the first cushion block 37 starts to move, the force is reduced under the action of the spring 42 wound on the surface of the plugboard 38, meanwhile, the telescopic rod 44 starts to stretch after receiving the force from the second cushion block 43, the buffering effect is achieved in the telescopic process, the bottom end of the third cushion block 45 is fixedly connected with the movable rod 46, the movable rod 46 is fixedly connected with the third slide block 47, the third slide block 47 can slide in the third slide groove 48, and the buffering effect is achieved.

When the mold after injection molding is required to be moved, the switch 27 is firstly turned on, the motor 24 starts to work, the rotating rod 51 starts to rotate under the action of the motor 24, the first gear 52 is fixed on the outer wall of the rotating rod 51, the threaded rod 54 fixed at the bottom end of the second gear 53 starts to synchronously rotate under the cooperation of the first gear 52 and the second gear 53, the threaded rod 54 rotates, the threaded sleeve 55 moves under the action of threads, the moving plate 58 is driven to synchronously move, and the lower mold 22 is finally driven to move, so that the operation is finished.

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 utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. An injection mold with a cushioning structure, comprising: supporting seat (1), guard box (21), bed die (22), fixing base (23), motor (24), go up mould (25), feed seat (26) and switch (27), its characterized in that:

the automatic feeding device comprises a supporting seat (1), wherein a protection box (21) is arranged above the supporting seat (1), a lower die (22) is arranged inside the protection box (21), fixing seats (23) are fixed at the upper ends of two sides of the supporting seat (1), a motor (24) is fixedly connected to one end, far away from the protection box (21), of the fixing seats (23), a switch (27) is arranged below the motor (24), the switch (27) is fixed on the outer wall of the fixing seats (23), an upper die (25) is arranged above the protection box (21), and a feeding seat (26) is fixed at the top end of the upper die (25);

the buffering structure (3), buffering structure (3) includes dead lever (31), dead lever (31) are fixed in upper die (25) both sides outer wall, the one end fixedly connected with first slider (32) of upper die (25) is kept away from to dead lever (31), first slider (32) are inserted and are established inside first spout (33), first spout (33) set up inside fixing base (23), guard box (21) bottom middle part fixedly connected with first cushion (37), first cushion (37) bottom is fixed with picture peg (38), picture peg (38) are inserted and are established in slot (39) inside, slot (39) set up in supporting shoe (41) inside, supporting shoe (41) are fixed in supporting seat (1) top middle part, picture peg (38) surface winding has spring (42);

the safety structure (5), the safety structure (5) is including bull stick (51), the one end of bull stick (51) and the output shaft fixed connection of motor (24).

2. An injection mold with a cushioning structure according to claim 1, wherein: the utility model discloses a fixing seat (23) for the plastic injection molding machine, including lower mould (22), jack (65) have been seted up to lower mould (22) both sides outer wall, the inside gag lever post (34) of inserting of jack (65), one end fixedly connected with second slider (35) that jack (65) were kept away from to gag lever post (34), second slider (35) are inserted and are established inside second spout (36), second spout (36) set up inside fixing seat (23).

3. An injection mold with a cushioning structure according to claim 1, wherein: the protection box (21) bottom is fixed with second cushion (43), second cushion (43) set up in first cushion (37) both sides, second cushion (43) bottom fixedly connected with telescopic link (44), telescopic link (44) bottom fixedly connected with third cushion (45).

4. An injection mold having a cushioning structure according to claim 3, wherein: the bottom end of the third cushion block (45) is slidably connected with a moving rod (46), one end, away from the third cushion block (45), of the moving rod (46) is fixedly connected with a third sliding block (47), the third sliding block (47) is inserted into a third sliding groove (48), and the third sliding groove (48) is arranged inside the supporting seat (1).

5. An injection mold with a cushioning structure according to claim 1, wherein: the utility model discloses a rotary rod, including bull stick (51) outer wall fixedly connected with first gear (52), first gear (52) are connected with second gear (53) through tooth meshing, second gear (53) bottom fixedly connected with threaded rod (54), threaded rod (54) outer wall is through threaded connection has swivel nut (55), swivel nut (55) rear end fixedly connected with fixed plate (59), fixed plate (59) rear end fixedly connected with movable plate (58), movable plate (58) outer wall is provided with protruding piece (57), protruding piece (57) are inserted inside socket (56), socket (56) set up inside lower mould (22).

6. The injection mold with buffer structure of claim 5, wherein: the movable plate (58) is fixedly connected with a limiting plate (64), the limiting plate (64) is fixedly connected with an inserting rod (63), the inserting rod (63) is inserted into the inserting cavity (62), the inserting cavity (62) is arranged inside the supporting plate (61), and the supporting plate (61) is fixed on the inner wall of the protective box (21).

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