CN213972116U

CN213972116U - Plastic mold core-pulling device

Info

Publication number: CN213972116U
Application number: CN202022207655.XU
Authority: CN
Inventors: 邱林达; 王涛
Original assignee: Kunshan Guanyeda Precision Industry Co ltd
Current assignee: Kunshan Guanyeda Precision Industry Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-08-17
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a plastic mold core pulling device, which comprises a first mounting seat, wherein first chutes are symmetrically arranged on two sides of the top of the first mounting seat, two groups of first chutes are internally provided with a support plate in a sliding manner, a damping block is arranged at the middle position of one end of the top of the support plate, a through groove is arranged at the middle position of one end of the front side of the damping block, and four groups of first springs are uniformly arranged at the inner side of the through groove; the utility model discloses the device is through carrying out quick centre gripping to the mould, can adapt to the mould of different shapes and size, reduce because the mould difference leads to the change to anchor clamps, carry out multiunit different departments to the mould simultaneously and carry out the centre gripping, the centre gripping is more stable, drive the core pulling at motor work simultaneously and push away the head and carry out the during operation, through carrying out the shock attenuation to the connecting axle, can make the core pulling push away the head and carry out stable rotation, reduce because shake that vibrations lead to, deviation when leading to loosing core prevents to cause the influence to the quality of plastics.

Description

Plastic mold core-pulling device

Technical Field

The utility model relates to a technical field of loosing core specifically is a plastic mold device of loosing core.

Background

The die is various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. The shape of an article is processed mainly by changing the physical state of a formed material, the article is simply called as an industrial parent, when a workpiece needs to be taken out, a core needs to be pulled firstly, the workpiece can be ejected out under the action of an ejector rod, and the workpiece is taken out;

but there is certain not enough in current device of loosing core when using:

1. most of the prior mold core-pulling devices are fixed, fine adjustment is difficult to carry out, so that the core-pulling of parts always has fine errors, and because the sizes and the shapes of plastic molds are different, core-pulling devices of different types of molds are always needed to carry out core-pulling in the core-pulling process, so that the operation is very inconvenient;

2. meanwhile, when the motor is used for core pulling, the core pulling pushing head can vibrate due to vibration generated by the work of the motor, so that the core pulling pushing head shakes during core pulling, and the quality of a product is influenced;

3. meanwhile, in the process of core-pulling movement of the motor, the movement is not stable enough under the action of vibration, and the core-pulling is further influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic mold device of loosing core to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a core pulling device for plastic molds comprises a first mounting seat, wherein first sliding grooves are symmetrically formed in two sides of the top of the first mounting seat, two groups of first sliding grooves are internally provided with a supporting plate in a sliding manner, a damping block is arranged in the middle of one end of the top of the supporting plate, a through groove is formed in the middle of one end of the front side of the damping block, four groups of first springs are uniformly arranged inside the through groove, one sides, close to the circle center, of the four groups of first springs are provided with damping plates, a servo motor is arranged in the middle of one end, far away from the damping block, of the top of the supporting plate, the output end of the servo motor is provided with a connecting shaft which penetrates through the inside of the through groove, one end, far away from the servo motor, of the connecting shaft is provided with a core pulling push head, connecting rods are arranged in the middle of two sides of the supporting plate, and one side, far away from the bottoms of the two groups of the connecting rods, is provided with a sleeve pipe, the top parts of the two groups of sleeves are provided with second springs, the bottom parts of the second springs are provided with telescopic rods, the bottom parts of the telescopic rods are provided with idler wheels, one end of the first mounting seat, which is far away from the servo motor, is provided with a second mounting seat, two sides of the top part of the second mounting seat are symmetrically provided with second sliding grooves, two groups of second sliding grooves are internally provided with sliding blocks in a sliding manner, the top parts of the two groups of sliding blocks are provided with push plates, two groups of push plates are symmetrically provided with push rods at two ends, which are close to one side, the middle position of the top part of the first mounting seat is symmetrically provided with a third sliding groove, two groups of clamping blocks are arranged in the third sliding groove in a sliding manner, one sides, which are far away from each other, of the two groups of clamping blocks are provided with push grooves, one sides, which are close to each other, of the push rods extend into the push grooves, and one ends of the two groups of the sliding blocks are provided with racks, the middle position department of second mount pad bottom is provided with the pivot, the outside of pivot is provided with the gear, the middle position department that second mount pad one end was kept away from to first mount pad is provided with control panel, control panel passes through the wire and is connected with the servo motor electricity.

Preferably, the outside of servo motor is provided with the motor storehouse, and the inboard in motor storehouse is provided with the amortization cotton.

Preferably, the gear and the rack are located on the same horizontal plane, and the two groups of rack tooth surfaces are oppositely arranged.

Preferably, the damping plate is arc-shaped, and three groups of sliding balls are arranged at the position, close to the circle center, of the damping plate.

Preferably, the sliding block is T-shaped, and the sliding block is matched with the second sliding groove.

Preferably, the push rod is L-shaped, and the clamping block is a triangular block.

Compared with the prior art, the beneficial effects of the utility model are that: the plastic mould core pulling device can adapt to moulds with different shapes and sizes by quickly clamping the moulds, reduces the replacement of clamps due to different moulds, clamps a plurality of groups of different positions on the moulds simultaneously, is more stable in clamping, and can stably rotate the core pulling push head by damping the connecting shaft when the motor works to drive the core pulling push head to work, reduce the shaking caused by vibration to cause deviation during core pulling and prevent the influence on the quality of plastics;

1. the rapid clamping device has the advantages that the rapid clamping device can be adapted to molds of different shapes and sizes by the mutual matching of the push plate, the second sliding groove, the push rod, the push groove, the clamping block, the third sliding groove, the second mounting seat, the rack, the sliding block, the gear and the rotating shaft, so that the replacement of a clamp caused by different molds is reduced, and meanwhile, the clamping device can be used for clamping a plurality of groups of different positions, so that the clamping is more stable;

2. the damping block, the first spring, the through groove and the damping plate are matched with one another to rapidly clamp the die, so that the clamping device can adapt to dies with different shapes and sizes, the replacement of a clamp caused by different dies is reduced, and meanwhile, a plurality of groups of different positions of the die are clamped, so that the clamping is more stable;

3. through mutually supporting between backup pad, first spout, gyro wheel, connecting rod, sleeve pipe, telescopic link and the second spring, when removing servo motor, can carry out the auxiliary stay to the backup pad through two sets of gyro wheels for the backup pad is more steady when removing, can not rock because servo motor's vibrations, further improves the stability when loosing core, further improves the quality of loosing core.

Drawings

Fig. 1 is a top cross-sectional view of the present invention;

fig. 2 is a bottom view of the second mounting base of the present invention;

FIG. 3 is a front sectional view of the damper block of the present invention;

fig. 4 is a front sectional view of the casing of the present invention.

In the figure: 1. a first mounting seat; 2. a support plate; 3. a servo motor; 4. a first chute; 5. a roller; 6. A connecting shaft; 7. pushing the plate; 8. a second chute; 9. a push rod; 10. a push groove; 11. a clamping block; 12. A third chute; 13. a second mounting seat; 14. a damper block; 15. a connecting rod; 16. a rack; 17. a slider; 18. a gear; 19. a rotating shaft; 20. a first spring; 21. a through groove; 22. a damper plate; 23. a core pulling pushing head; 24. a sleeve; 25. a telescopic rod; 26. a second spring; 27. a control panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a core pulling device for plastic molds comprises a first mounting seat 1, wherein first sliding grooves 4 are symmetrically arranged on two sides of the top of the first mounting seat 1, a supporting plate 2 is arranged inside two groups of first sliding grooves 4 in a sliding manner, a damping block 14 is arranged at the middle position of one end of the top of the supporting plate 2, a through groove 21 is arranged at the middle position of one end of the front surface of the damping block 14, four groups of first springs 20 are uniformly arranged inside the through groove 21 and used for damping a connecting shaft 6, damping plates 22 are arranged on one sides, close to the circle center, of the four groups of first springs 20, a servo motor 3 is arranged at the middle position of the top of the supporting plate 2, far away from one end of the damping block 14, a connecting shaft 6 penetrates through the through groove 21, a core pulling push head 23 is arranged at one end, far away from the servo motor 3, of the connecting shaft 6, a connecting rod 15 is arranged at the middle position of two sides of the supporting plate 2, and a sleeve 24 is arranged on one side, far away from the bottom of the two groups of the connecting rod 15, the top parts of the two groups of sleeves 24 are provided with second springs 26, the bottom parts of the second springs 26 are provided with telescopic rods 25, the bottom parts of the telescopic rods 25 are provided with rollers 5, one end of the first mounting seat 1, which is far away from the servo motor 3, is provided with a second mounting seat 13, two sides of the top part of the second mounting seat 13 are symmetrically provided with second sliding grooves 8, the inside parts of the two groups of second sliding grooves 8 are provided with sliding blocks 17 in a sliding manner, the top parts of the two groups of sliding blocks 17 are provided with push plates 7, two ends, which are close to one side, of the two groups of push plates 7 are symmetrically provided with push rods 9, the middle position of the top part of the first mounting seat 1 is symmetrically provided with third sliding grooves 12, two groups of clamping blocks 11 are arranged inside the two groups of third sliding grooves 12 in a sliding manner and clamp the core-pulling mold, one side, which is far away from the two groups of clamping blocks 11, is provided with a push groove 10, one side, which is close to the push rods 9, extends to the inside of the push groove 10, one end of each of the two sets of sliding blocks 17 is provided with a rack 16, a rotating shaft 19 is arranged at the middle position of the bottom of the second mounting seat 13, a gear 18 is arranged on the outer side of the rotating shaft 19, a control panel 27 is arranged at the middle position of one end of the first mounting seat 1 far away from the second mounting seat 13, and the control panel 27 is electrically connected with the servo motor 3 through a wire.

In this implementation, the outside of servo motor 3 is provided with the motor storehouse, and the inboard in motor storehouse is provided with the amortization cotton, reduce the noise that servo motor 3 work produced, gear 18 and rack 16 are located same horizontal plane, two sets of rack 16 flank of tooth set up in opposite directions and do not have thing gear 18 and drive two sets of rack 16 simultaneously and remove, damper plate 22 is arc, damper plate 22 is close to centre of a circle department and all is provided with three sets of sliding balls, reduce the friction between damper plate 22 and the connecting axle 6, slider 17 is the T type, slider 17 and the mutual adaptation of second spout 8, make slider 17 and be convenient for connect slurcam 7 and rack 16, catch bar 9 is the L type, grip block 11 is the triangular block, make grip block 11 can remove under the effect of catch bar 9.

The working principle is as follows: the device is powered on, the control panel 27 is opened, the core-pulling mold is firstly placed at the middle position of the top of the second mounting seat 13, the rotating shaft 19 is rotated to drive the gear 18 to rotate, the gear 18 drives the two groups of racks 16 to mutually approach, so that the sliding block 17 drives the push plates 7 to move in the second sliding groove 8, the two groups of push plates 7 mutually approach to drive the four groups of push rods 9 to mutually approach, the push rods 9 mutually cooperate through the push grooves 10 to enable the clamping blocks 11 to mutually approach along the third sliding groove 12, and the core-pulling mold is stably clamped;

the servo motor 3 is turned on through the control panel 27, so that the servo motor 3 drives the core pulling push head 23 to rotate through the connecting shaft 6, the core pulling push head is in mutual contact with the four groups of damping plates 22 under the condition that the connecting shaft 6 rotates, when the connecting shaft 6 shakes, the shaking can push the damping plates 22 to extrude the first spring 20, and the shaking is damped through the elasticity of the first spring 20, so that the core pulling push head 23 is more stable;

simultaneously when removing backup pad 2 for loose core pusher 23 often mould department removes, and in the removal, the vibrations that the motor produced, vibrations transmit to backup pad 2 through servo motor 3 on, backup pad 2 drives connecting rod 15 and rocks from top to bottom this moment, and connecting rod 15 extrudees second spring 26 through sleeve pipe 24, makes second spring 26 produce elasticity, cushions the shock attenuation to vibrations, makes backup pad 2 more stable when removing.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a plastic mold device of loosing core, includes first mount pad (1), its characterized in that: the two sides of the top of the first mounting seat (1) are symmetrically provided with first sliding grooves (4), two groups of first sliding grooves (4) are internally provided with a supporting plate (2) in a sliding manner, a damping block (14) is arranged at the middle position of one end of the top of the supporting plate (2), a through groove (21) is arranged at the middle position of the front end of the damping block (14), four groups of first springs (20) are uniformly arranged on the inner side of the through groove (21), damping plates (22) are arranged on the sides, close to the circle center, of the four groups of first springs (20), a servo motor (3) is arranged at the middle position of one end, far away from the damping block (14), of the top of the supporting plate (2), the output end of the servo motor (3) is provided with a connecting shaft (6) penetrating through the inside of the through groove (21), and a core-pulling push head (23) is arranged at one end, far away from the servo motor (3), of the connecting shaft (6), the middle positions of two sides of the supporting plate (2) are provided with connecting rods (15), one side, far away from each other, of the bottoms of the two groups of connecting rods (15) is provided with sleeves (24), the top of the inner part of the two groups of sleeves (24) is provided with a second spring (26), the bottom of the second spring (26) is provided with a telescopic rod (25), the bottom of the telescopic rod (25) is provided with rollers (5), one end, far away from the servo motor (3), of the first mounting seat (1) is provided with a second mounting seat (13), two sides of the top of the second mounting seat (13) are symmetrically provided with second sliding grooves (8), the inner part of the two groups of second sliding grooves (8) is provided with sliding blocks (17) in a sliding manner, the tops of the two groups of sliding blocks (17) are provided with push plates (7), and two ends, near one side of the two groups of push plates (7) are symmetrically provided with push rods (9), the symmetry of intermediate position department at first mount pad (1) top is provided with third spout (12), and is two sets of third spout (12) inside all slides and is provided with two sets of grip blocks (11), and is two sets of one side that grip block (11) kept away from each other all is provided with promotion groove (10), catch bar (9) are close to one side each other and all extend to the inside in promotion groove (10), and are two sets of the one end of slider (17) all is provided with rack (16), the intermediate position department of second mount pad (13) bottom is provided with pivot (19), the outside of pivot (19) is provided with gear (18), the intermediate position department of keeping away from second mount pad (13) one end in first mount pad (1) is provided with control panel (27), control panel (27) are connected with servo motor (3) electricity through the wire.

2. The plastic mold core pulling device according to claim 1, characterized in that: the outside of servo motor (3) is provided with the motor storehouse, and the inboard in motor storehouse is provided with the amortization cotton.

3. The plastic mold core pulling device according to claim 1, characterized in that: the gear (18) and the racks (16) are positioned on the same horizontal plane, and the tooth surfaces of the two groups of racks (16) are oppositely arranged.

4. The plastic mold core pulling device according to claim 1, characterized in that: the shock absorption plate (22) is arc-shaped, and three groups of sliding balls are arranged at the position, close to the circle center, of the shock absorption plate (22).

5. The plastic mold core pulling device according to claim 1, characterized in that: the slider (17) is T type, slider (17) and second spout (8) mutual adaptation.

6. The plastic mold core pulling device according to claim 1, characterized in that: the push rod (9) is L-shaped, and the clamping block (11) is a triangular block.