CN221292146U - A mouth of a river material excision mechanism for couple injection moulding - Google Patents

Abstract

The application relates to the technical field of punching equipment, in particular to a nozzle material cutting mechanism for hook injection molding. The key points of the technical scheme are as follows: including the frame, place board, locating component and blank subassembly, place board fixed mounting in frame department, locating component installs in the frame, and locating component is close to the work piece and fixed with the work piece, and blank subassembly also installs in the frame, and blank subassembly is close to the work piece and cuts off the mouth of a river material unification, and this in-process only needs the staff to place the concave part department with the work piece, and excision mechanism cutting mouth of a river material has effectively improved the excision quality of mouth of a river material.

Description

A mouth of a river material excision mechanism for couple injection moulding

Technical Field

The application relates to the technical field of punching equipment, in particular to a nozzle material cutting mechanism for hook injection molding.

Background

The plastic product hook is a small accessory used in home life and is widely applied to various scenes in daily life. For example, the towel can be used for hanging towel, bath curtain and other articles in a bathroom; in a kitchen, kitchen tools such as a turner, a spoon and the like can be hung; in the hall, clothing, hats, etc. may be hung. Because of its strong weight bearing capacity and no risk of damaging the wall, plastic hooks are being selected by more people.

The plastic hook is produced and manufactured in an injection molding mode, a plurality of hook cavities are formed in the injection molding die, the cavities are connected through a split material channel, material injection of the cavities is completed through one material injection opening, and after injection molding, redundant materials in the split material channel are called water gap materials, namely waste materials are needed to be cut.

Aiming at the related technology, the nozzle material is manually cut off, and the manual cutting off is not only low in efficiency, but also uneven in cutting quality.

Disclosure of utility model

In order to improve the cutting quality of the nozzle material, the application provides a nozzle material cutting mechanism for hook injection molding.

The application provides a nozzle material cutting mechanism for hook injection molding, which adopts the following technical scheme:

A mouth of a river material excision mechanism for couple injection moulding includes

The machine frame is provided with a machine frame,

The placing plate is fixedly arranged at the rack and is provided with a concave part for placing a workpiece;

the positioning assembly is arranged on the rack, can be close to or far away from the concave part and is used for fixing a workpiece;

And the blanking assembly is arranged on the frame, can be close to or far away from the concave part and is used for cutting off the nozzle material.

Through above-mentioned technical scheme, place the work piece in concave part department, locating component is close to the work piece and fixes the work piece, and the blank subassembly is close to the work piece and cuts off the mouth of a river material, and this in-process only needs the staff to place the concave part department with the work piece, and other work is accomplished by excision mechanism, has not only effectively improved the excision quality of mouth of a river material, has also promoted excision efficiency.

Preferably, the positioning assembly comprises

The first power element is fixedly arranged at the frame and used for outputting reciprocating power;

And the positioning plate is fixedly connected with the first power element, and is provided with a positioning part which is matched with the shape of the workpiece and is used for positioning the workpiece.

Through the technical scheme, the first power element drives the positioning plate to be close to the concave part, the positioning plate and the concave part jointly position the periphery of the workpiece, the movement of the workpiece in the circumferential direction is limited, and the subsequent blanking is facilitated.

Preferably, the blanking assembly comprises

The second power element is fixedly arranged on the frame and used for outputting reciprocating power;

The mounting seat is fixedly connected with the second power element;

and the cutter is fixedly arranged on the mounting seat and is used for cutting off the water gap material.

Through above-mentioned technical scheme, the cutter passes through mount pad and second power component fixed connection, and second power component drives the cutter and is close to towards the work piece of concave part department, and the cutter that stretches out cuts off the mouth of a river material, and the excision process is high-efficient.

Preferably, a knife-avoiding edge is arranged at the place of the placing plate, and the knife-avoiding edge is opposite to the cutter.

Through the technical scheme, the water gap material is positioned at the edge of the concave part on the inner side of the placing plate, and the cutter can interfere with the placing plate when cutting the water gap material, so that the possibility of collision between the cutter and the frame is effectively reduced by avoiding the cutter edge.

Preferably, the cutter is provided with a cutter seat, and the cutter seat is provided with a cutter seat.

Through the technical scheme, when the second power element drives the cutter to be close to the workpiece, the positioning column moves together, the positioning column is contacted with the workpiece firstly and is used for pressing and fixing the workpiece, the cutter is used for cutting off the water gap material, the positioning column is used for positioning the vertical direction of the workpiece, the stability of the workpiece when the water gap material is cut off is further improved, and smooth cutting action is facilitated.

Preferably, the elastic positioning member comprises

The spring is fixedly arranged in the mounting seat;

and the positioning column is fixedly connected with the spring and is movably arranged in the mounting seat.

Through the technical scheme, after the positioning column is contacted with the workpiece, the mounting seat continuously drives the cutter to approach the workpiece, and at the moment, the spring is compressed, so that the positioning column tightly supports and positions the workpiece, and the cutter can cut off the water gap material more smoothly.

Preferably, the device further comprises a guide piece, wherein the guide piece is fixedly arranged on the mounting seat; the placing plate is provided with a through hole for the guide piece to pass through.

Through the technical scheme, when the cutter approaches to the workpiece, the guide piece slides in the through hole to guide the moving direction of the cutter, so that the cutting precision of the cutter is effectively improved.

Preferably, the concave part is provided with a plurality of cutters, and the number of the cutters and the number of the positioning columns are matched with the number of the concave parts.

Through the technical scheme, a plurality of workpieces can be molded once through injection molding, a plurality of water gap materials need to be cut off, a plurality of concave parts and workpiece quantity adaptation are arranged, so that the water gap materials at the plurality of positions are cut off once, and the cutting efficiency is effectively improved.

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

1. The workpiece is placed at the concave part, the positioning component is close to the workpiece and fixes the workpiece, the blanking component is close to the workpiece and cuts off the water gap material, in the process, only a worker is required to place the workpiece at the concave part, other works are completed by the cutting mechanism, the cutting quality of the water gap material is effectively improved, and the cutting efficiency is also improved.

2. The first power element drives the positioning plate to be close to the concave part, the positioning plate and the concave part jointly position the periphery of the workpiece, the movement of the workpiece in the circumferential direction is limited, and subsequent blanking is facilitated.

3. The mouth of a river material is located the concave part edge department of inboard on placing the board, and the cutter can interfere with placing the board when cutting mouth of a river material, avoids the edge of a knife effectively to reduce the possibility that cutter and frame collide.

Drawings

FIG. 1 is a schematic view of a cutting mechanism according to a preferred embodiment of the present application.

FIG. 2 is a schematic diagram of a positioning assembly according to a preferred embodiment of the application.

Fig. 3 is a schematic structural view of a blanking member in a preferred embodiment of the present application.

Reference numerals illustrate: 1. a frame; 2. placing a plate; 21. a concave portion; 22. knife edge avoidance; 3. a positioning assembly; 31. a first power element; 32. a positioning plate; 321. a positioning part; 4. a blanking assembly; 41. a second power element; 42. a mounting base; 43. a cutter; 5. an elastic positioning piece; 51. a spring; 52. positioning columns; 6. a guide member; 7. and (5) guiding the sleeve.

Detailed Description

The application is described in further detail below with reference to fig. 1-3.

The embodiment of the application discloses a nozzle material cutting mechanism for hook injection molding.

Referring to fig. 1, the cutting mechanism comprises a frame 1, a placing plate 2, a positioning assembly 3 and a blanking assembly 4, wherein the frame 1 provides assembly positions for the placing plate 2, the positioning assembly 3 and the blanking assembly 4, the placing plate 2 is fixedly arranged at the frame 1 and used for placing a workpiece, the positioning assembly 3 is arranged on the frame 1 and used for positioning the workpiece, and the blanking assembly 4 is also arranged on the frame 1 and used for cutting a nozzle material.

Referring to fig. 1 and 2, in the first step of cutting off the nozzle material, the workpiece needs to be placed at the station, so that a placing plate 2 is arranged, a concave part 21 for placing the workpiece is formed in the placing plate 2, the concave part 21 is the placing station of the workpiece, specifically, the placing plate 2 is fixedly installed at the frame 1, the placing plate 2 is of a strip-shaped plate structure and is horizontally arranged, a concave part 21 matched with the outer contour of the workpiece is concavely arranged from outside to inside on one side of the placing plate 2, and the workpiece can be placed on the concave part 21.

It should be noted that, since the plurality of concave portions 21 are provided, the workpiece is produced by injection molding, the mold for injection molding is usually provided with a plurality of cavities, and a plurality of workpieces can be molded at a time, so that a plurality of gate materials are cut off for placing the plurality of workpieces, a plurality of concave portions 21 are correspondingly provided on one side of the placing plate 2, the plurality of concave portions 21 are arranged at intervals along the edge of the placing plate 2, and the number of concave portions is adapted to the number of the workpieces molded at a time, so that the workpieces can be placed at the corresponding concave portions 21 at the same time.

Referring to fig. 2, in the second step of cutting off the nozzle material, after the workpiece is placed, the workpiece needs to be positioned, so that a positioning component 3 is provided, the positioning component 3 can be close to or far away from the concave portion 21, the workpiece is fixed in a clamping manner, specifically, the positioning component 3 comprises a first power element 31 and a positioning plate 32, the first power element 31 is a first telescopic cylinder, the first telescopic cylinder is fixedly installed on the frame 1, a telescopic rod of the first telescopic cylinder can extend or retract towards the concave portion 21, and the first telescopic cylinder is used for outputting reciprocating power. In this embodiment, the first power element 31 is a telescopic cylinder, and in other embodiments, a piston or a screw motor or other elements outputting reciprocating linear motion may be used, and the specific scheme thereof will not be described herein.

The locating plate 32 is also of a strip-shaped plate structure, one end of the locating plate 32 is fixedly connected with a telescopic rod of a first telescopic cylinder, the other end of the locating plate 32 is concavely provided with a locating part 321 matched with the appearance of a workpiece from outside to inside, the first telescopic cylinder is used for driving the locating plate 32 to be close to the concave part 21 until the locating plate 32 is mutually spliced with the placing plate 2, at the moment, the locating part 321 on the locating plate 32 is matched with the concave part 21 to jointly locate the periphery of the workpiece, so that the movement of the workpiece in the circumferential direction is limited, and the subsequent blanking is convenient.

Referring to fig. 2 and 3, in a third step of cutting off the nozzle material, after the workpiece is positioned, the nozzle material can be cut off, the cutting assembly 4 can be close to or far away from the workpiece at the concave part 21 and is used for cutting off the nozzle material connected with the workpiece, specifically, the cutting assembly 4 comprises a second power element 41, a mounting seat 42 and a cutter 43, the second power element 41 is used for outputting reciprocating power, the mounting seat 42 is fixedly connected with the second power element 41, the cutter 43 is fixedly mounted on the mounting seat 42, and the second power element 41 drives the cutter 43 to cut off the nozzle material.

Specifically, the second power element 41 is a second telescopic cylinder, which is fixedly mounted on the frame 1, and is disposed vertically downward, and the telescopic rod can extend downward or retract, opposite to the recess 21, for outputting reciprocating power. In this embodiment, the second power element 41 is a telescopic cylinder, and in other embodiments, a piston or a screw motor or the like may be used to output a reciprocating linear motion, and a specific scheme thereof will not be described herein.

The mount pad 42 is platelike structure, the telescopic link fixed connection of mounting panel and the flexible jar of second, cutter 43 then fixed mounting is in the bottom of mounting panel, cutter 43 vertical setting, the blade is down and be located the work piece directly over, the power take off direction unanimity with the flexible jar of second simultaneously, cutter 43 quantity and concave part 21 quantity looks adaptation, the position that cutter 43 set up and concave part 21 one-to-one, cutter 43 passes through mount pad 42 and flexible jar piece fixed connection of second, the flexible jar of second drives cutter 43 and is close to towards the work piece of concave part 21 department, then the cutter 43 that stretches out cuts off the mouth of a river material, the excision process is high efficiency.

Referring to fig. 2 and 3, since the nozzle material is located at the edge of the recess 21 inside the placement plate 2, when the cutter 43 cuts the nozzle material, the cutter 43 interferes with the placement plate 2, in order to reduce the possibility of interference between the cutter 43 and the placement plate 2, the placement plate 2 is provided with a knife-avoiding edge 22, the knife-avoiding edge 22 penetrates through the placement plate 2 from top to bottom, the contour of the knife-avoiding edge 22 is adapted to the contour of the cutter 43, the knife-avoiding edge 22 is provided with a position corresponding to the cutter 43, and when the cutter 43 cuts the nozzle material, the cutter 43 is located in the knife-avoiding edge 22, so that the risk of collision interference between the cutter 43 and the placement plate 2 is effectively reduced.

Referring to fig. 3, however, since the workpiece is not positioned in the vertical direction, when the cutter 43 cuts the gate material, the workpiece may move in the vertical direction, affecting the cutting quality, and further, an elastic positioning member 5 is provided, the elastic positioning member 5 is mounted in the mounting seat 42 and is disposed adjacent to the cutter 43, the number of the elastic positioning members 5 is also adapted to the number of the concave portions 21, the disposed positions are in one-to-one correspondence with the workpiece, and the elastic positioning member 5 is pressed down to position the workpiece. Specifically, the elastic positioning piece 5 includes a spring 51 and a positioning column 52, wherein a mounting hole for assembling the spring 51 is formed on the mounting seat 42, and one end of the spring 51 is fixedly mounted in the mounting seat 42 through the mounting hole; the positioning column 52 is of a cylindrical structure, an installation groove for assembling the spring 51 is formed in the top of the positioning column 52, the other end of the spring 51 is fixedly installed in the installation groove, the positioning column 52 is slidably installed in the installation hole through the compression spring 51, and the positioning column 52 abuts against a workpiece and is used for positioning the workpiece in the vertical direction.

When the water gap material is cut, the second telescopic cylinder drives the mounting seat 42 to move downwards, the cutter 43 and the elastic locating piece 5 mounted on the mounting seat 42 are close to the workpiece together, the locating column 52 is in contact with the workpiece first, the mounting seat 42 continues to drive the cutter 43 to approach the workpiece, the spring 51 is compressed at the moment, the locating column 52 tightly supports and locates the workpiece, the cutter 43 cuts the water gap material, the locating column 52 locates the vertical direction of the workpiece, stability of the workpiece when the water gap material is cut is further improved, and cutting quality of the water gap material is improved when the cutter 43 cuts the water gap material more smoothly.

Referring to fig. 3, since the cutters 43 and the elastic positioning members 5 are arranged at intervals along the mounting seat 42, the length of the mounting seat 42 is long, when the second telescopic cylinder drives the mounting seat 42 to move, the mounting seat 42 has a possibility of shaking, which causes the cutters 43 to deviate relative to the nozzle material and can not accurately cut the nozzle material, and therefore, the guide members 6 are also arranged, the guide members 6 are of round rod structures, the round rods are vertically arranged, one ends of the round rods are fixedly arranged on the mounting seat 42, through holes for the guide members 6 to pass through are formed in the positions of the placing plates 2 corresponding to the round rods, guide sleeves 7 are arranged in the through holes, the guide members 6 are movably inserted in the guide sleeves 7, and when the second telescopic cylinder drives the mounting seat 42 to move up and down, the guide members 6 arranged on the mounting seat 42 slide in the guide sleeves 7, so that the moving direction of the cutters 43 is guided, and the cutting precision of the cutters 43 is effectively improved.

The implementation principle of the nozzle material cutting mechanism for hook injection molding provided by the embodiment of the application is as follows: the placing plate 2 is provided with a concave part 21 for placing a workpiece, the positioning component 3 can extend relative to the concave part 21 and close to the workpiece at the concave part 21, the positioning component cooperates with the concave part 21 to position the workpiece, the blanking component 4 can extend relative to the concave part 21 and close to the workpiece at the concave part 21, and the nozzle material is cut off.

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

Claims (8)

1. A mouth of a river material excision mechanism for couple injection moulding, its characterized in that: comprising

A frame (1),

A placing plate (2) fixedly arranged at the frame (1) and provided with a concave part (21) for placing a workpiece;

the positioning assembly (3) is arranged on the frame (1) and can be close to or far away from the concave part (21) for fixing a workpiece;

And a blanking assembly (4) arranged on the frame (1) and capable of approaching or separating relative to the concave part (21) for cutting off the water gap material.

2. A nozzle material removal mechanism for hook injection molding as claimed in claim 1, wherein: the positioning assembly (3) comprises

The first power element (31) is fixedly arranged at the frame (1) and is used for outputting reciprocating power;

And the positioning plate (32) is fixedly connected with the first power element (31), and the positioning plate (32) is provided with a positioning part (321) which is matched with the appearance of the workpiece and is used for positioning the workpiece.

3. A nozzle material removal mechanism for hook injection molding as claimed in claim 1, wherein: the blanking assembly (4) comprises

The second power element (41) is fixedly arranged on the frame (1) and is used for outputting reciprocating power;

The mounting seat (42) is fixedly connected with the second power element (41);

And a cutter (43) fixedly arranged on the mounting seat (42) and used for cutting off the water gap material.

4. A nozzle material removal mechanism for hook injection molding as claimed in claim 3, wherein: the placement plate (2) is provided with a knife-avoiding edge (22), and the knife-avoiding edge (22) is opposite to the cutter (43).

5. A nozzle material removal mechanism for hook injection molding as claimed in claim 3, wherein: the cutting tool also comprises an elastic positioning piece (5), wherein the elastic positioning piece (5) is arranged on the mounting seat (42), the elastic positioning piece (5) is arranged adjacent to the cutting knife (43), and the elastic positioning piece (5) is used for pressing and positioning a workpiece.

6. A nozzle material removal mechanism for hook injection molding as defined in claim 5, wherein: the elastic positioning piece (5) comprises

A spring (51) fixedly arranged in the mounting seat (42);

and the positioning column (52) is fixedly connected with the spring (51) and is movably arranged in the mounting seat (42).

7. A nozzle material removal mechanism for hook injection molding as claimed in claim 3, wherein: the device also comprises a guide piece (6), wherein the guide piece (6) is fixedly arranged on the mounting seat (42); the placing plate (2) is provided with a through hole for the guide piece (6) to pass through.

8. A nozzle material removal mechanism for hook injection molding as defined in claim 6, wherein: the concave parts (21) are provided with a plurality of cutters (43) and positioning columns (52), and the number of the cutters is matched with that of the concave parts (21).