CN219855755U - Injection mold convenient to take out bed die - Google Patents

Abstract

The utility model relates to an injection mold convenient for taking out a lower mold, which comprises a base, a plurality of connecting columns, a top plate and a cover plate, wherein the bottom ends of the connecting columns are fixed on the base, the top plate is fixed on the top ends of the connecting columns, the cover plate is connected to the connecting columns in a sliding manner, the injection mold further comprises an upper mold and a lower mold, the upper mold is arranged on the cover plate, the base is provided with a mounting groove for accommodating the lower mold, opposite side walls of the mounting groove are respectively provided with a sliding groove, each sliding groove is connected with a clamping rod in a sliding manner, the clamping rods move towards the direction approaching or far away from the lower mold, a spring is arranged in each sliding groove, the springs are positioned on one side, away from each other, of the two clamping rods, and the springs drive the two clamping rods to clamp the lower mold; the clamping rod lower extreme is connected with the connecting rod, and two connecting rods extend towards the direction that is close to each other, and the base slides and is provided with the ejector pin, and the ejector pin is located between the tip that two connecting rods are close to each other, and the ejector pin is ejecting the mounting groove upwards with the bed die. The utility model has the effect of being convenient for taking out the lower die.

Description

Injection mold convenient to take out bed die

Technical Field

The utility model relates to the field of injection molds, in particular to an injection mold convenient for taking out a lower mold.

Background

The injection mold is a tool for producing plastic products; is also a tool for endowing plastic products with complete structure and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. Specifically, the heated and melted plastic is injected into a die cavity under high pressure by an injection molding machine, and a formed product is obtained after cooling and solidification.

The utility model patent of patent publication No. CN218111510U discloses an auto-parts injection mold, including the mould main part, install four connecting rods on the mould main part, the same roof is installed at the top of four connecting rods, electric putter is installed to the bottom of roof, install the apron on the action output of electric putter, apron slidable mounting is on four connecting rods, through the driving motor that is equipped with, the rolling disc, arc transfer line, sliding block and the mutually supporting of structure such as fixture block, thereby can be when installing the bed die, drive the rolling disc through driving motor and rotate, thereby can drive two arc transfer lines and rotate along the rolling disc, thereby can drive two fixture blocks and keep away from each other, thereby can place the bed die in the mounting groove, at this moment driving motor reverse rotation drives two fixture blocks and is close to each other, and then can hold down the card tightly to die, and through the mutually supporting between inclined plane and the bed die at fixture block top, make bed die and mounting groove in close contact, thereby accomplish the purpose to install the mould fast.

When the lower die of the automobile part injection die is taken out, personnel need to take the lower die out of the mounting groove, but the lower die has certain weight, and the personnel is relatively laborious to take out and needs to be improved.

Disclosure of Invention

In order to solve the problem of inconvenient removal of the lower die, the utility model provides an injection die which is convenient to remove the lower die.

The utility model provides an injection mold convenient for taking out a lower mold, which adopts the following technical scheme:

the utility model provides an injection mold convenient to take out bed die, includes base, a plurality of spliced pole, roof and apron, the spliced pole bottom is fixed in on the base, the roof is fixed in the top of a plurality of spliced poles, apron sliding connection is on a plurality of spliced pole, still includes mould and bed die, it sets up on the apron to go up the mould, the mounting groove that supplies the bed die to hold is seted up to the base, the spout has all been seted up to the relative lateral wall of mounting groove, every equal sliding connection of spout has the clamping lever, the clamping lever moves towards the direction that is close to or keep away from the bed die, every all be equipped with the spring in the spout, the spring is located one side that two clamping levers kept away from each other, the spring drives two clamping levers and presss from both sides tightly the bed die; the lower ends of the clamping rods are connected with connecting rods, the two connecting rods extend towards the directions close to each other, the base is provided with an ejector rod in a sliding mode, the ejector rod is positioned between the end parts of the two connecting rods close to each other, ejector blocks are arranged on two sides of the ejector rod, facing the connecting rods, of the ejector rod, and the ejector blocks are positioned on one side, far away from the lower die, of the connecting rods; the side wall of the ejection block, which faces the connecting rod, is provided with a guide inclined plane, and the guide inclined plane extends in the direction away from the connecting rod along the direction in which the two ejection blocks are away from each other; when the ejector rod moves close to the lower die, the guide inclined plane abuts against the two connecting rods to drive the two clamping rods to be away from each other, the lower die is separated from the clamping rods, and the ejector rod ejects the lower die upwards to the mounting groove.

By adopting the technical scheme, when the lower die is normally used, the springs drive the two clamping rods to clamp and fix the lower die, so that the lower die is fixed in the mounting groove; when the lower die needs to be taken out from the mounting groove, the ejector rod is far away from the end part of the lower die and is connected with an air cylinder or an electric push rod, the air cylinder or the electric push rod drives the ejector rod to be close to the lower die and move, the guide inclined plane on the ejector block is abutted with the connecting rods and ejects the two connecting rods in the direction far away from the ejector rod, the two clamping rods are simultaneously far away from each other to release the fixation of the lower die, and then the ejector rod is continuously close to the lower die and ejects the mounting groove from the lower die, so that the lower die is conveniently taken out from the mounting groove, and the problem of inconvenience in taking out of the lower die is solved.

Optionally, a first permanent magnet is arranged on one side of each clamping rod facing the bottom of the chute, a through groove is formed in each chute bottom, and the through groove penetrates through the outer side wall of the base; the through groove is rotationally connected with a second permanent magnet, the rotation axis of the second permanent magnet is perpendicular to the moving direction of the clamping rod, and when the first permanent magnet rotates to a state of adsorbing the second permanent magnet, the second permanent magnet adsorbs the first permanent magnet so that the clamping rod is positioned at the bottom of the chute.

Through adopting above-mentioned technical scheme, before the jack-up bed die, make the second permanent magnet can adsorb first permanent magnet, later the ejecting piece on the ejector pin makes the connecting rod keep away from each other to make two clamping rods keep away from each other and adsorbed in the spout tank bottom, the clearance between two connecting rods keeps supplying the ejecting piece to pass through this moment, when making the ejector pin reset, makes things convenient for the ejector pin to move towards keeping away from the bed die direction, prevents the lower terminal surface butt of connecting rod and ejecting piece and obstructs the ejector pin and reset.

Optionally, a friction strip is arranged on the groove wall of the through groove, and the friction strip is abutted against the second permanent magnet to limit the rotation of the second permanent magnet.

By adopting the technical scheme, the friction strips are arranged to increase the friction force between the second permanent magnet and the groove wall of the through groove, so that the second permanent magnet is fixed, and the second permanent magnet is kept static when not subjected to external force, so that the adsorption effect of the second permanent magnet on the first permanent magnet is maintained.

Optionally, the base is rotatably connected with a screwing rod, and the rotation axis of the screwing rod is the same as the rotation axis of the second permanent magnet; and the end part of the twisting rod is fixed with a second permanent magnet.

By adopting the technical scheme, the twisting rod is arranged to facilitate the rotation of the second permanent magnet, so that the magnetic pole of the second permanent magnet facing the first permanent magnet is adjusted, when the clamping rod clamps the lower die, the magnetic poles of the second permanent magnet and the first permanent magnet are the same, the second permanent magnet drives the first permanent magnet to be close to the lower die, the clamping force of the clamping rod to the lower die is further improved, and the clamping effect of the clamping rod is better; when the ejector rod is reset after the lower die is jacked, the second permanent magnet is rotated to be different from the magnetic pole of the first permanent magnet, when the first permanent magnet moves to be adsorbed on the second permanent magnet, after the guide inclined surface is separated from the connecting rod, the two clamping rods are kept away from each other, so that a reset channel is formed, and the connecting rod is prevented from abutting the lower end face of the ejector block to prevent the ejector rod from resetting.

Optionally, one end of the screwing rod far away from the second permanent magnet is provided with a screwing block for a person to screw.

Through adopting above-mentioned technical scheme, set up to twist the piece and supply personnel to twist, the personnel of being convenient for twist and twist the pole of moving to the pole is moved to the convenient control second permanent magnet orientation first permanent magnet.

Optionally, the spout tank bottom is equipped with the guide bar, the length direction of guide bar is the direction of keeping away from or being close to the bed die, the guide slot that supplies the guide bar to hold has been seted up to the grip lever.

Through adopting above-mentioned technical scheme, set up the removal of guide bar direction clamping lever, improve the stability that the clamping lever removed.

Optionally, the both sides of clamping lever length direction all are equipped with the lug, the recess that supplies the lug to slide is seted up to the relative lateral wall of spout.

Through adopting above-mentioned technical scheme, set up recess and lug direction clamping lever and remove, make the removal of clamping lever more stable.

Optionally, two be equipped with the stopper on the clamping lever, two the stopper extends towards being close to the direction each other, the spacing groove that supplies stopper male is seted up to the bed die top surface, the stopper restriction bed die moves towards the direction of keeping away from the mounting groove.

Through adopting above-mentioned technical scheme, set up stopper and spacing groove, the stopper supports the lower mould restriction lower mould and moves towards the direction of keeping away from the mounting groove to make the fixed of lower mould more firm.

Optionally, one end of the ejector rod, which is close to the lower die, is provided with a protection pad, and the protection pad is abutted with the lower die.

Through adopting above-mentioned technical scheme, set up the protection pad and reduce the damage that the bed die received when the ejector rod jack-up bed die, protection bed die, extension bed die's life.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. when the lower die needs to be taken out of the mounting groove, the end part of the ejection rod, which is far away from the lower die, is connected with an air cylinder or an electric push rod, the air cylinder or the electric push rod drives the ejection rod to move close to the lower die, a guide inclined plane on the ejection block is abutted with the connecting rods and ejects the two connecting rods in the direction far away from the ejection rod, the two clamping rods are mutually far away to release the fixation of the lower die, and then the ejection rod is continuously close to the lower die and ejects the lower die out of the mounting groove, so that the lower die is conveniently taken out of the mounting groove, and the problem of inconvenient taking out of the lower die is solved;

2. the guide rod and the guide groove are arranged to guide the movement of the clamping rod, the groove and the convex block are arranged to guide the movement of the clamping rod, and the stability of the movement of the clamping rod is improved;

3. the protection pad is arranged to reduce the damage to the lower die when the ejector rod jacks up the lower die, protect the lower die and prolong the service life of the lower die.

Drawings

Fig. 1 is an overall schematic view of an injection mold for facilitating removal of a lower mold according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view of the base of the embodiment.

Fig. 3 is a schematic view of a stopper and a stopper groove according to an embodiment.

Fig. 4 is a schematic structural view of the ejector rod and the clamp rod of the embodiment.

Fig. 5 is a schematic view of a screw rod and screw block of an embodiment.

Reference numerals illustrate: 1. a base; 2. a connecting column; 3. a top plate; 4. a cover plate; 5. an upper die; 6. a lower die; 7. a mounting groove; 8. a chute; 9. a clamping rod; 10. a spring; 11. a connecting rod; 12. an ejector rod; 13. an ejection block; 131. a guide slope; 14. a first permanent magnet; 15. a through groove; 16. a second permanent magnet; 17. a friction bar; 18. twisting the rod; 19. twisting the block; 20. a guide rod; 21. a guide groove; 22. a bump; 23. a groove; 24. a limiting block; 25. a limit groove; 26. a protective pad; 27. a connection hole; 28. an upper die electric push rod; 29. a driving member.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

The embodiment of the utility model discloses an injection mold convenient for taking out a lower mold. Referring to fig. 1, an injection mold for facilitating removal of a lower mold includes a base 1, a connection post 2, a cover plate 4, and a top plate 3. The connecting columns 2 are four, the bottom ends of the connecting columns 2 are fixed on the circumferential edge of the top surface of the base 1, and the length directions of the four connecting columns 2 are vertical directions. The top plate 3 is fixed to the top ends of the four connecting posts 2. The apron 4 is located between base 1 and roof 3, and apron 4 sliding connection is on four spliced poles 2, and the slip direction of apron 4 is vertical direction, has seted up four and has supplied the gliding connecting hole 27 of spliced pole 2 on the apron 4, and spliced pole 2 one-to-one sliding connection is in connecting hole 27, and the outer wall sliding contact of spliced pole 2 is the inner wall of connecting hole 27. An upper die electric push rod 28 is fixed on one side of the top plate 3, facing the cover plate 4, the output end of the upper die electric push rod 28 is fixedly connected with the cover plate 4, and the upper die electric push rod 28 drives the cover plate 4 to slide.

Referring to fig. 1, the injection mold for facilitating the removal of the lower mold further includes an upper mold 5 and a lower mold 6, the upper mold 5 being mounted on the bottom surface of the cover plate 4. The top surface of the base 1 is provided with a mounting groove 7, and the mounting groove 7 is used for accommodating the lower die 6.

Referring to fig. 2 and 3, two opposite side walls of the mounting groove 7 are provided with sliding grooves 8, the sliding grooves 8 extend along the length direction of the base 1, the sliding grooves 8 are respectively and slidably connected with clamping rods 9, and the clamping rods 9 move close to or far away from the lower die 6.

Referring to fig. 2 and 3, springs 10 are disposed in the sliding grooves 8, one ends of the springs 10 are fixed to the bottoms of the sliding grooves 8, and the other ends of the springs are fixed to the side, facing the bottoms of the sliding grooves 8, of the clamping rods 9. The spring 10 urges the two holding rods 9 to move in a direction approaching each other to clamp and fix the lower die 6.

Referring to fig. 2 and 3, a stopper 24 is fixed to the upper end of the clamping rod 9, the two stoppers 24 extend in directions toward each other, a stopper groove 25 into which the stopper 24 is inserted is formed in the side wall of the lower die 6, and the stopper 24 restricts the lower die 6 from moving in directions away from the mounting groove 7.

Referring to fig. 2 and 3, the two opposite side walls of the clamping rod 9 in the horizontal direction are fixed with the protruding blocks 22, the opposite side walls of the chute 8 are provided with the grooves 23 for sliding the protruding blocks 22, and the grooves 23 guide the movement of the clamping rod 9.

Referring to fig. 2 and 4, a guide rod 20 is fixed to the bottom of the chute 8, the length direction of the guide rod 20 is a direction away from or approaching the lower die 6, a guide groove 21 for sliding the guide rod 20 is formed in the direction of the clamping rod 9 toward the bottom of the chute 8, and the guide rod 20 guides the movement of the clamping rod 9.

Referring to fig. 2 and 4, the lower ends of the clamping bars 9 are each fixed with a connecting bar 11, and both connecting bars 11 extend in directions approaching each other. The bottom of the base 1 is provided with a driving member 29, in this embodiment, the driving member 29 is a cylinder or an electric push rod fixed on the base 1, and an output shaft of the cylinder or the electric push rod is vertically upward. The output shaft of the driving member 29 is fixed with an ejector rod 12, the ejector rod 12 being located between the ends of the two connecting rods 11 that are close to each other. The top of the ejector rod 12 is fixed with a protection pad 26, and the protection pad 26 is a rubber pad.

Referring to fig. 2 and 4, ejector blocks 13 are fixed to both side walls of the ejector rod 12 facing the connecting rod 11, and the ejector blocks 13 are located on a side of the connecting rod 11 away from the lower die 6. The side wall of the ejection block 13 facing the connecting rod 11 is provided with a guide inclined surface 131, and the guide inclined surface 131 extends in a direction away from the connecting rod 11 along a direction in which the two ejection blocks 13 are away from each other.

Referring to fig. 4 and 5, a first permanent magnet 14 is fixed to a side of the clamping rod 9 facing the bottom of the sliding groove 8, a through groove 15 is formed in the bottom of the sliding groove 8, and the through groove 15 penetrates through the outer side wall of the base 1. A second permanent magnet 16 is rotatably connected to the through groove 15, the rotation axis of the second permanent magnet 16 is perpendicular to the moving direction of the clamping rod 9, and the rotation axis of the second permanent magnet 16 is parallel to the top surface of the base 1. When the second permanent magnet 16 rotates to a state of absorbing the first permanent magnet 14, the ejection block 13 drives the connecting rods 11 to be far away from each other, the two clamping rods 9 slide close to the bottom of the chute 8, the first permanent magnet 14 and the second permanent magnet 16 are absorbed after being close to each other, the first permanent magnet 14 is kept at a position close to the bottom of the chute 8, the two clamping rods 9 are far away from each other, and the ejection rod 12 is conveniently moved away from the direction of the lower die 6.

Referring to fig. 4 and 5, a friction bar 17 is fixed to a groove wall of the through groove 15, and the friction bar 17 collides with the second permanent magnet 16 to limit the rotation of the second permanent magnet 16. The base 1 is rotatably connected with a screwing rod 18, the rotation axis of the screwing rod 18 is the same as that of the second permanent magnet 16, the second permanent magnet 16 is fixed at the end of the screwing rod 18, and one end of the screwing rod 18 far away from the second permanent magnet 16 extends out of the base 1. The end of the twisting rod 18 remote from the second permanent magnet 16 is fixed with a twisting block 19 for the person to twist. When the ejector rod 12 is reset, the ejector rod 12 moves downwards, and the second permanent magnet 16 adsorbs the first permanent magnet 14 to enable the two connecting rods 11 to be far away from each other, so that a gap between the two connecting rods 11 is kept for the ejector block 13 to pass through, and the connecting rods 11 are prevented from abutting against the lower end surfaces of the ejector block 13 to prevent the ejector rod 12 from resetting.

The implementation principle of the injection mold convenient for taking out the lower mold in the embodiment of the utility model is as follows: when the lower die 6 needs to be taken out of the mounting groove 7, the driving piece 29 drives the ejector rod 12 to move close to the lower die 6, the guide inclined surface 131 on the ejector block 13 is abutted with the connecting rod 11 and ejects the two connecting rods 11 in the direction away from the ejector rod 12, the two clamping rods 9 are mutually away from each other simultaneously to release the fixation of the lower die 6, and then the ejector rod 12 is continuously close to the lower die 6 and ejects the lower die 6 out of the mounting groove 7, so that the lower die 6 is conveniently taken out of the mounting groove 7, and the problem of inconvenience in taking out of the lower die 6 is solved by the injection mold convenient for taking out the lower die 6.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (9)

1. Injection mold convenient to take out bed die, including base (1), a plurality of spliced pole (2), roof (3) and apron (4), spliced pole (2) bottom is fixed in on base (1), roof (3) are fixed in the top of a plurality of spliced pole (2), apron (4) sliding connection is on a plurality of spliced pole (2), still includes mould (5) and bed die (6), go up mould (5) setting on apron (4), its characterized in that: the base (1) is provided with a mounting groove (7) for accommodating the lower die (6), opposite side walls of the mounting groove (7) are provided with sliding grooves (8), each sliding groove (8) is connected with a clamping rod (9) in a sliding manner, each clamping rod (9) moves towards a direction close to or far away from the lower die (6), a spring (10) is arranged in each sliding groove (8), the springs (10) are located on one side, away from each other, of each two clamping rods (9), and the springs (10) drive the two clamping rods (9) to clamp the lower die (6); the lower ends of the clamping rods (9) are connected with connecting rods (11), two connecting rods (11) extend towards the directions close to each other, the base (1) is slidably provided with ejector rods (12), the ejector rods (12) are positioned between the ends of the two connecting rods (11) close to each other, ejector blocks (13) are arranged on two sides of the ejector rods (12) facing the connecting rods (11), and the ejector blocks (13) are positioned on one side, far away from the lower die (6), of the connecting rods (11); the side wall of the ejection block (13) facing the connecting rod (11) is provided with a guide inclined surface (131), and the guide inclined surface (131) extends in a direction away from the connecting rod (11) along the direction that the two ejection blocks (13) are away from each other; when the ejector rod (12) moves close to the lower die (6), the guide inclined plane (131) abuts against the two connecting rods (11) to drive the two clamping rods (9) to be away from each other, the lower die (6) is separated from the clamping rods (9), and the ejector rod (12) ejects the lower die (6) upwards to the mounting groove (7).

2. An injection mold for facilitating removal of a lower mold according to claim 1, wherein: a first permanent magnet (14) is arranged on one side, facing the bottom of the sliding groove (8), of each clamping rod (9), a through groove (15) is formed in the bottom of each sliding groove (8), and the through grooves (15) penetrate through the outer side wall of the base (1); the through groove (15) is rotationally connected with a second permanent magnet (16), the rotation axis of the second permanent magnet (16) is perpendicular to the moving direction of the clamping rod (9), and when the first permanent magnet (14) rotates to a state of adsorbing the second permanent magnet (16), the second permanent magnet (16) adsorbs the first permanent magnet (14) so that the clamping rod (9) is positioned at the bottom of the sliding groove (8).

3. An injection mold for facilitating removal of a lower mold according to claim 2, wherein: the groove wall of the through groove (15) is provided with a friction strip (17), and the friction strip (17) is in contact with the second permanent magnet (16) to limit the rotation of the second permanent magnet (16).

4. An injection mold for facilitating removal of a lower mold according to claim 2, wherein: the base (1) is rotatably connected with a screwing rod (18), and the rotation axis of the screwing rod (18) is the same as the rotation axis of the second permanent magnet (16); the end part of the screwing rod (18) is fixed with a second permanent magnet (16).

5. An injection mold for facilitating removal of a lower mold according to claim 4, wherein: one end of the screwing rod (18) far away from the second permanent magnet (16) is provided with a screwing block (19) for a person to screw.

6. An injection mold for facilitating removal of a lower mold according to claim 1, wherein: the bottom of the chute (8) is provided with a guide rod (20), the length direction of the guide rod (20) is the direction far away from or close to the lower die (6), and the clamping rod (9) is provided with a guide groove (21) for accommodating the guide rod (20).

7. An injection mold for facilitating removal of a lower mold according to claim 1, wherein: the two sides of the length direction of the clamping rod (9) are respectively provided with a lug (22), and the opposite side walls of the sliding groove (8) are provided with grooves (23) for the lugs (22) to slide.

8. An injection mold for facilitating removal of a lower mold according to claim 1, wherein: two be equipped with stopper (24) on clamping lever (9), two stopper (24) are towards being close to the orientation extension each other, lower mould (6) top surface has been seted up and has been supplied stopper (24) male spacing groove (25), the removal of direction of keeping away from mounting groove (7) of stopper (24) restriction lower mould (6).

9. An injection mold for facilitating removal of a lower mold according to claim 1, wherein: one end of the ejection rod (12) close to the lower die (6) is provided with a protection pad (26), and the protection pad (26) is abutted with the lower die (6).