阅读说明：本技术 一种塑料模具起模装置 (Plastic mold stripping device ) 是由 高志凯 曹传民 冯丽 于 2021-09-18 设计创作，主要内容包括：本发明适用于塑料模具技术领域,提供了一种塑料模具起模装置,所述装置包括：升降组件,用于驱动顶模升降；活动座,与所述顶模固定连接；固定座,与所述底模固定连接；勾爪,滑动设置于所述固定座上；以及起升件,所述起升件的一端与所述活动座转动连接,另一端与所述勾爪转动连接；当所述起升件转动至相对所述固定座垂直的位置时,所述勾爪与所述产品抵接；通过升降组件驱动顶模上升,并带动铰接设置于活动座上的起升件上升,并在起升件转动至相对固定座垂直时,勾爪与产品的边缘处抵接,能够带动产品上升,实现了自动起模以及自动取出塑料产品,有效避免人工起模以及人工取出产品的问题,提高了生产效率。(The invention is suitable for the technical field of plastic molds, and provides a plastic mold stripping device, which comprises: the lifting assembly is used for driving the top die to lift; the movable seat is fixedly connected with the top die; the fixed seat is fixedly connected with the bottom die; the hook claw is arranged on the fixed seat in a sliding manner; one end of the lifting piece is rotatably connected with the movable seat, and the other end of the lifting piece is rotatably connected with the hook claw; when the lifting piece rotates to a position vertical to the fixed seat, the hook claw is abutted to the product; the lifting assembly drives the top die to ascend, drives the lifting piece hinged to the movable seat to ascend, hooks the edge butt of the claw and the product when the lifting piece rotates to be perpendicular to the relative fixed seat, can drive the product to ascend, realizes automatic stripping and automatic taking out of plastic products, effectively avoids the problems of manual stripping and manual taking out of the products, and improves the production efficiency.)

1. A plastic mold stripping apparatus, comprising:

the lifting assembly is used for driving a top die to lift, and the top die is movably arranged relative to the bottom die;

the movable seat is fixedly connected with the top die;

the fixed seat is fixedly connected with the bottom die;

the hook claw is arranged on the fixed seat in a sliding mode and can move in a direction close to or far away from a product on the bottom die; and

one end of the lifting piece is rotatably connected with the movable seat, and the other end of the lifting piece is rotatably connected with the hook claw, so that the movable seat drives the lifting piece to rotate when lifting, and the hook claw moves along with the lifting piece;

when the lifting piece rotates to a position vertical to the fixed seat, the hook claw is abutted to the product.

2. A plastic mould stripping apparatus as claimed in claim 1, in which the lifting member is provided with a receiving slot for receiving the claw.

3. The plastic mold stripping device according to claim 1, wherein the bottom mold is fixed on an operation table, a magnetic part is fixed on the operation table, the lifting part has magnetism, and the lifting part and the magnetic part are magnetically attracted, so that the lifting part can be always perpendicular to the fixing seat after the hook claw slides away from the fixing seat.

4. A plastic mold stripping apparatus as set forth in claim 1 wherein said lift assembly comprises:

the first connecting rod is connected with a rotating shaft, and the rotating shaft is driven by a driving source;

the lifting rod is rotatably connected with a second connecting rod hinged to the first connecting rod and is connected with the movable seat; and

the mounting, mounting and lifter sliding fit for it is spacing to the lifter.

5. A plastic mould stripping device as claimed in claim 4, wherein the number of the lifting assemblies is at least two, two adjacent lifting assemblies are respectively arranged on two sides of the rotating shaft, and the lifting assembly far away from the top mould is connected with a guide assembly for guiding the lifting piece to slide on the fixed base when the lifting piece descends.

6. A plastic mold stripping apparatus as set forth in claim 5, wherein said guide assembly comprises:

the guide piece is driven by the lifting assembly, an opening for the guide piece to pass through is formed in the fixed seat, and an elastic piece is arranged at the position, corresponding to the position above the opening, on the movable seat;

when lifting member descends to and contacts with the fixing base, the guiding piece is contradicted with one side that lifting member is close to the product to the messenger plays to rise the piece and rotates to the direction of keeping away from the product, when the sliding seat descends to and contacts with the guiding piece, the elastic component is extruded by the guiding piece and takes place deformation.

7. The apparatus as claimed in claim 1, wherein the holder is provided with a shaking prevention unit for preventing the top mold from shaking during its movement.

8. A plastic mold stripping apparatus as set forth in claim 7 wherein said anti-sloshing assembly includes a guide member fixedly mounted on the stationary base and slidably engaged with the movable base.

Technical Field

The invention belongs to the technical field of plastic molds, and particularly relates to a plastic mold stripping device.

Background

Plastic molds are tools that impart a complete configuration and precise dimensions to a plastic product during plastic processing, and can be contoured by pouring molten plastic liquid into the plastic mold during production.

At present, in the production process of plastics, a top die descends and is matched with a bottom die to die-cast a molten product on the bottom die, at the moment, part of the product flows outwards to form uneven edge parts of the plastic product, after the plastic is shaped, workers combine the force to disassemble a die, the die is taken out after the plastic is stripped, and then the edge of the plastic product is cut.

However, in the process of manual drawing, the upper bottom die is difficult to separate, the die and the plastic product are easily damaged when the die is vigorously drawn, and the plastic product needs to be taken out by workers after the die is drawn, so that the time is consumed for a long time, and the production efficiency is reduced.

Disclosure of Invention

The embodiment of the invention aims to provide a plastic mold stripping device, and aims to solve the problem that production efficiency is reduced due to manual stripping and manual product taking.

The embodiment of the invention is realized in such a way that the plastic mold stripping device comprises:

the lifting assembly is used for driving a top die to lift, and the top die is movably arranged relative to the bottom die;

the movable seat is fixedly connected with the top die;

the fixed seat is fixedly connected with the bottom die;

the hook claw is arranged on the fixed seat in a sliding mode and can move in a direction close to or far away from a product on the bottom die; and

one end of the lifting piece is rotatably connected with the movable seat, and the other end of the lifting piece is rotatably connected with the hook claw, so that the movable seat drives the lifting piece to rotate when lifting, and the hook claw moves along with the lifting piece;

when the lifting piece rotates to a position vertical to the fixed seat, the hook claw is abutted to the product.

Preferably, the lifting piece is provided with a containing groove for containing the hook claw.

Preferably, the die block is fixed on the operating platform, a magnetic part is fixed on the operating platform, the lifting part has magnetism, and the lifting part and the magnetic part are attracted mutually, so that the lifting part can be perpendicular to the fixing seat all the time after the hook claw slides away from the fixing seat.

Preferably, the lifting assembly comprises:

the first connecting rod is connected with a rotating shaft, and the rotating shaft is driven by a driving source;

the lifting rod is rotatably connected with a second connecting rod hinged to the first connecting rod and is connected with the movable seat; and

the mounting, mounting and lifter sliding fit for it is spacing to the lifter.

Preferably, the number of the lifting assemblies is at least two, the two adjacent lifting assemblies are respectively arranged on two sides of the rotating shaft, and the lifting assembly far away from the top die is connected with a guide assembly used for guiding a lifting piece to slide on the fixed seat when the lifting assembly descends.

Preferably, the guide assembly comprises:

the guide piece is driven by the lifting assembly, an opening for the guide piece to pass through is formed in the fixed seat, and an elastic piece is arranged at the position, corresponding to the position above the opening, on the movable seat;

when lifting member descends to and contacts with the fixing base, the guiding piece is contradicted with one side that lifting member is close to the product to the messenger plays to rise the piece and rotates to the direction of keeping away from the product, when the sliding seat descends to and contacts with the guiding piece, the elastic component is extruded by the guiding piece and takes place deformation.

Preferably, the fixed seat is provided with an anti-shaking assembly for preventing the top die from shaking during moving.

Preferably, the anti-shaking assembly comprises a guide piece, the guide piece is fixedly installed on the fixed seat, and the guide piece is in sliding fit with the movable seat.

According to the plastic mold stripping device provided by the embodiment of the invention, the lifting assembly drives the top mold to ascend, and drives the lifting piece hinged on the movable seat to ascend, the hook claw on the lifting piece rotates towards the direction close to a product, and when the lifting piece rotates to be vertical to the fixed seat, the hook claw is abutted against the edge of the product, so that the product can be driven to ascend, the automatic mold stripping and the automatic plastic product taking out are realized, the problems of manual mold stripping and manual product taking out are effectively avoided, and the production efficiency is improved.

Drawings

Fig. 1 is a structural diagram of a plastic mold stripping device according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a structural diagram of a lifting assembly in the plastic mold stripping apparatus according to an embodiment of the present invention;

FIG. 4 is a top view of a drawing apparatus for drawing a plastic mold according to an embodiment of the present invention;

fig. 5 is a structural diagram of an anti-sloshing assembly in a plastic mold stripping device according to an embodiment of the present invention;

in the drawings: 1. an operation table; 2. a movable seat; 3. a fixed seat; 4. installing a shaft; 5. a rotating shaft; 6. a first link; 7. a second link; 8. a lifting rod; 9. a fixing member; 10. a hoisting member; 11. hooking claws; 12. a magnetic member; 13. a guide; 14. an opening; 15. a slide rail; 16. a guide member; 17. assembling the rod; 18. a T-shaped rod; 19. and (7) mounting frames.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1-2, a structure of a plastic mold stripping apparatus according to an embodiment of the present invention includes:

the lifting assembly is used for driving a top die to lift, and the top die is movably arranged relative to the bottom die;

the movable seat 2 is fixedly connected with the top die;

the fixed seat 3 is fixedly connected with the bottom die;

the hook claw 11 is arranged on the fixed seat 3 in a sliding manner and can move in a direction close to or far away from a product on the bottom die; and

one end of the lifting piece 10 is rotatably connected with the movable seat 2, and the other end of the lifting piece 10 is rotatably connected with the hook claw 11, so that the movable seat 2 drives the lifting piece 10 to rotate when being lifted, and the hook claw 11 moves along with the lifting piece;

when the lifting piece 10 rotates to a position vertical to the fixed seat 3, the hook claw 11 abuts against the product.

In a condition of this embodiment, be fixed with at least one sliding seat 2 on the top mould, and all be equipped with one on every sliding seat 2 and play to rise a piece 10, be fixed with at least one fixing base 3 on the die block, every all be equipped with on the fixing base 3 with collude claw 11 sliding fit's slide rail 15.

It should be noted that the end of the slide rail 15 close to the product is provided with a cambered surface, so that the hook claw 11 moves to rise along the cambered surface and contact with the edge of the product.

This embodiment is when practical application, when top mould and die block contact are in order to carry out the die-casting, collude the interval between claw 11 and the product the biggest, after the die-casting is accomplished, lift assembly drive top mould rises, then sliding seat 2 rises and drives to rise 10 and rotate, collude claw 11 and remove to the direction that is close to the product, it rises to rise 10 and rotates to laying perpendicularly with fixing base 3 when, collude the edge conflict of claw and product this moment, it continues to rise subsequently, then collude claw 11 and can drive the product and break away from the die block and rise, realize the automatic drawing of device and take out the plastics product automatically.

As shown in fig. 1 to 2, as a preferred embodiment of the present invention, a receiving groove for receiving the hook claw 11 is provided on the lifting member 10.

This embodiment is when in actual application, colludes the interval when the interval between claw 11 and the product is the biggest, colludes the interval between claw 11 and the play to rise piece 10 and is minimum, and colludes claw 11 and be located and accomodate the inslot, effectively avoid colluding claw 11 when sliding and play to rise wearing and tearing and the extrusion injury that produces between the piece 10.

As shown in fig. 1-2, as another preferred embodiment of the present invention, the bottom die is fixed on an operation table 1, a magnetic member 12 is fixed on the operation table 1, the lifting member 10 has magnetism, and the lifting member 10 and the magnetic member 12 are magnetically attracted to each other, so that the lifting member 10 can be always perpendicular to the fixing base 3 after the hook claw 11 slides away from the fixing base 3.

In a case of this embodiment, the magnetic element 12 may be a magnetic block, and may also be an electromagnet connected to the electromagnetic module, as long as there is a magnetic attraction between the magnetic element and the lifting element 10, and this embodiment is not specifically limited herein.

This embodiment is when in actual use, when rising to rise piece 10, magnetic attraction also can guarantee to collude claw 11 and remove to the direction that is close to the goods, colludes claw 11 and slips away from fixing base 3 after, and magnetic attraction can guarantee to rise piece 10 and be located the direction of perpendicular to fixing base 3 all the time, plays to rise when effectively avoiding the lifting product piece 10 unstability and takes place the pivoted problem, security when increasing the device and use.

As shown in fig. 1 to 4, as another preferred embodiment of the present invention, the lifting assembly includes:

a first link 6 connected to a rotation shaft 5, the rotation shaft 5 being driven by a driving source;

the lifting rod 8 is rotatably connected with the second connecting rod 7 hinged to the first connecting rod 6, and the lifting rod 8 is connected with the movable seat 2; and

and the fixing piece 9, the fixing piece 9 and the lifting rod 8 are in sliding fit and used for limiting the lifting rod 8.

In one aspect of this embodiment, a T-shaped rod 18 is connected to the lifting rod 8, a plurality of the movable seats 2 are connected to the T-shaped rod 18, the rotating shaft 5 is installed coaxially with the installation shaft 4, the installation shaft 4 is fixedly connected to the console 1 through an installation frame 19, and the fixing member 9 is also fixedly connected to the console 1 through the installation frame 19.

Besides the above structure, the lifting assembly may further adopt a screw nut rotationally driven by the rotating shaft 5, and the lifting assembly may also drive the movable base 2 and the guide assembly to lift through screw transmission, which is not specifically limited in this embodiment.

This embodiment is when practical application, and the pivot 5 drives first connecting rod 6 rotatory during rotatory to drive second connecting rod 7 and rotate, because mounting 9 has limiting displacement to lifter 8, so second connecting rod 7 rotates and can drive lifter 8 and be reciprocal linear motion, and take place relative slip between with mounting 9, realize the lift of sliding seat 2 from this.

As shown in fig. 1-2, as another preferred embodiment of the present invention, the number of the lifting assemblies is at least two, and two adjacent lifting assemblies are respectively arranged at two sides of the rotating shaft 5, and the lifting assembly far away from the top die is connected with a guide assembly for guiding the lifting member 10 to slide on the fixing base 3 during descending.

In one aspect of this embodiment, the driving source may be a motor assembly, or a gear assembly driven by a motor, as long as the rotating shaft 7 can rotate, and this is not particularly limited herein.

In practical application, when the rotating shaft 5 rotates, the stress directions of the joints of the two lifting assemblies are opposite, so that the moving directions of the two lifting assemblies are different, when the lifting assemblies ascend, the guide assemblies descend, and when the lifting assemblies descend, the guide assemblies ascend and rotate and guide the lifting members 10 after the lifting members 10 contact the fixing seats 3.

As shown in fig. 1 to 4, as another preferred embodiment of the present invention, the guide assembly includes:

the guide piece 13 is driven by the lifting assembly, an opening 14 for the guide piece 13 to pass through is formed in the fixed seat 3, and an elastic piece is arranged on the movable seat 2 at a position corresponding to the position above the opening 14;

when the lifting piece 10 descends to be in contact with the fixed seat 3, the guide piece 13 is abutted against one side, close to a product, of the lifting piece 10, so that the lifting piece 10 rotates towards the direction far away from the product, and when the movable seat 2 descends to be in contact with the guide piece 13, the elastic piece is extruded by the guide piece 13 to deform.

In one case of this embodiment, the number of the guiding members 13 is the same as that of the fixing seats 3, a T-shaped rod 18 is connected to the lifting rod 8 far away from the top die, and a plurality of the guiding members 13 are respectively connected to the T-shaped rod 18 through a plurality of assembling rods 17; the guide member 13 may be a fixed block or a roller rotatably connected to the assembling rod 17, which is not limited herein.

The elastic member may be a spring, and in addition, the elastic member may be replaced by other elastic members, such as a silica gel column, an elastic sheet, and the like, which is not specifically limited in this embodiment.

In practical application, when the movable seat 2 is lifted, the guide piece 13 moves in a direction away from the bottom die; when the sliding seat 2 descends, the guide piece 13 moves towards the direction close to the bottom die, and when the lifting piece 10 descends to the bottom end of the lifting piece and contacts with the fixing seat 3, the guide piece 13 penetrates through the opening 14 and is abutted against one side of the lifting piece 10 close to the product, the lifting piece 10 is pushed to incline by the guide piece 13, then the sliding seat 2 continues to descend, and then the lifting piece 10 is enabled to drive the hook claw 11 to rotate towards the direction far away from the product, the problem that the sliding seat 2 continues to descend is solved by vertical abutting when the lifting piece 10 descends to the bottom end of the lifting piece and contacts with the fixing seat 3, then the sliding seat 2 continues to descend to the guide piece 13, the elastic piece and the guide piece 13 are abutted and are extruded to deform, and the abutting injury of the guide piece 13 to the sliding seat 2 is avoided.

As shown in fig. 1 and 5, as another preferred embodiment of the present invention, an anti-sloshing assembly for preventing sloshing when the top mold moves is provided on the fixing base 3.

Specifically, the anti-shaking assembly comprises a guide 16, the guide 16 is fixedly installed on the fixed seat 3, and the guide 16 is in sliding fit with the movable seat 2.

In one aspect of this embodiment, the guide 16 may be in sliding fit with an edge of the movable seat 2, or may be in sliding fit with a hole groove on the movable seat 2, as long as the movement of the movable seat 2 can be limited.

Besides the above structure, the anti-shaking assembly can also adopt a multi-level nested telescopic rod, an elastic member with certain longitudinal stretching and compressing performances, and the like, of which two ends are respectively connected with the movable seat 2 and the fixed seat 3, and the anti-shaking assembly is not limited in the embodiment.

The plastic mold stripping device provided by the embodiment of the invention drives the top mold to ascend through the lifting assembly and drives the lifting piece 10 hinged on the movable seat 2 to ascend, the hook claw 11 on the lifting piece 10 rotates towards the direction close to a product, and when the lifting piece 10 rotates to be vertical to the fixed seat 3, the hook claw 11 is abutted to the edge of the product, so that the product can be driven to ascend, the automatic mold stripping and the automatic taking out of the plastic product are realized, the problems of manual mold stripping and manual product taking out are effectively avoided, and the production efficiency is improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.