CN220198437U

CN220198437U - Mould inscribing device

Info

Publication number: CN220198437U
Application number: CN202321922780.6U
Authority: CN
Inventors: 杨贵安; 黄云锐; 黄国辉
Original assignee: Shenzhen Derun Optics Co ltd
Current assignee: Shenzhen Derun Optics Co ltd
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2023-12-19
Anticipated expiration: 2033-07-20

Abstract

The embodiment of the utility model provides an in-mold cutting device, which comprises a cutter assembly, a driving assembly and a triggering assembly, wherein the driving assembly is connected with a mold, the cutter assembly is connected with the driving assembly, the driving assembly is used for driving the cutter assembly to move towards a pouring gate block, the triggering assembly is connected with the mold, and the triggering assembly is used for giving a triggering signal for controlling the driving assembly to start working. This in-mould cutting device adopts trigger assembly to send drive signal to drive assembly, adopts drive assembly drive cutter assembly to the direction motion of runner piece to automatic cutout runner piece, compare in manual cutting, it can alleviate operator's intensity of labour, and the incision is level and beautiful, can guarantee the quality of finished product better.

Description

Mould inscribing device

Technical Field

The utility model relates to the technical field of mold processing, in particular to a mold inscribing device.

Background

When the mold is used for injection molding, a pouring gate block bonded with a product is often formed at a pouring gate of the product, and the traditional processing modes of the pouring gate blocks are that after the product is ejected out, the pouring gate blocks are cut by manpower or equipment, however, the manual cutting of the pouring gate blocks is high in labor intensity, the pouring gate is difficult to trim and attractive, and the appearance and quality of the product are easily affected.

Disclosure of Invention

The embodiment of the utility model provides an in-mold cutting device which is used for solving the problems that in the prior art, when a pouring gate block is manually cut by an injection molded product, the labor intensity is high, the pouring gate is difficult to trim and attractive, and the appearance and quality of the product are easily affected.

In the embodiment of the utility model, the in-mold cutting device is arranged in an inner cavity of a mold, and structurally comprises a cutter assembly, a driving assembly and a triggering assembly, wherein the driving assembly is connected with the mold, the cutter assembly is connected with the driving assembly, the driving assembly is used for driving the cutter assembly to move towards a pouring gate block, the triggering assembly is connected with the mold, and the triggering assembly is used for giving a triggering signal for controlling the driving assembly to start working.

As a further alternative of the in-mold cutting device, the cutter assembly comprises a guide piece, a cutter and a mounting seat assembly, the guide piece is connected with the mold, a guide structure is arranged on the guide piece, the cutter is in sliding connection with the guide piece through the guide structure, the guide structure is used for guiding the movement direction of the cutter, one end of the cutter is connected with the mounting seat assembly, the other end of the cutter is used for cutting off the pouring gate block, and the mounting seat assembly is connected with the driving assembly.

As a further alternative of the in-mold cutting device, the guide member is provided with a guide hole, the cutter is inserted into the guide hole, and the guide hole forms the guide structure.

As a further alternative of the in-mold cutting device, the mount assembly includes a first mount block and a second mount block, the first mount block is connected with an end portion of the cutter, the second mount block is connected with the first mount block, and the second mount block is connected with an output end of the driving assembly.

As a further alternative of the in-mold cutting device, the first mounting block is provided with a receiving hole, and the end of the cutter is inserted into the receiving hole.

As a further alternative of the in-mold cutting device, the driving assembly includes a driving module and a pressing plate, an output end of the driving module is connected with the pressing plate, and the pressing plate is connected with the cutter assembly.

As a further alternative of the in-mold cutting device, the driving module comprises an oil cylinder and an oil pipe, an output end of the oil cylinder is connected with the pressing plate, one end of the oil pipe is communicated with the oil cylinder, and the other end of the oil pipe is communicated with an oil supply source.

As a further alternative of the in-mold cutting device, the driving assembly further comprises a return spring, wherein the return spring is arranged between the mold and the cutter assembly, and the return spring is used for pushing the cutter assembly 10 and the output end of the driving assembly to return.

As a further alternative of the in-mold cutting device, at least one mounting hole is formed in the cutter assembly, each mounting hole is inserted into one of the return springs, and an end portion of the return spring can extend out of the mounting hole in a natural state.

As a further alternative of the in-mold cutting device, the trigger assembly includes a travel switch and a time sequence controller, the travel switch can trigger when the mold is closed, and transmit information to the time sequence controller, and the time sequence controller sends the trigger signal after a preset time.

The implementation of the embodiment of the utility model has the following beneficial effects:

this in-mould cutting device adopts trigger assembly to send drive signal to drive assembly, adopts drive assembly drive cutter assembly to the direction motion of runner piece to automatic cutout runner piece, compare in manual cutting, it can alleviate operator's intensity of labour, and the incision is level and beautiful, can guarantee the quality of finished product better.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Wherein:

FIG. 1 is a schematic view of an overall structure of an inscription device in an embodiment of the present utility model;

description of main reference numerals:

10-a cutter assembly, 11-a guide, 12-a cutter, 13-a mount assembly, 131-a first mounting block, 132-a second mounting block;

20-driving components, 21-pressing plates, 22-oil cylinders, 23-oil pipes and 24-return springs; 25-oil nozzle.

30-trigger assembly, 31-travel switch.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many other different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In the embodiment of the present utility model, please refer to fig. 1, the in-mold cutting device is disposed in an inner cavity of a mold, and the in-mold cutting device structurally comprises a cutter assembly 10, a driving assembly 20 and a trigger assembly 30, wherein the driving assembly 20 is connected with the mold, the cutter assembly 10 is connected with the driving assembly 20, the driving assembly 20 is used for driving the cutter assembly 10 to move towards a gate block, the trigger assembly 30 is connected with the mold, and the trigger assembly 30 is used for providing a trigger signal for controlling the driving assembly 20 to start working.

The working process of the in-mold cutting device is as follows: after injection molding is completed, the trigger assembly 30 sends a driving signal to the driving assembly 20, the driving assembly 20 works to drive the cutter assembly 10 to move towards the direction of the pouring gate block so as to cut off the pouring gate block, and then the driving assembly 20 drives the cutter assembly 10 to reset so as to carry out subsequent mold opening operation.

This in-mould cutting device adopts trigger assembly 30 to send drive signal to drive assembly 20, adopts drive assembly 20 drive cutter assembly 10 to the direction motion of runner piece to automatic cutout runner piece, compare in manual cutting, it can alleviate operator's intensity of labour, and the incision is level and beautiful, can guarantee the quality of finished product better.

In one embodiment, the cutter assembly 10 includes a guide 11, a cutter 12 and a mounting seat assembly 13, the guide 11 is connected with the mold, a guide structure is provided on the guide 11, the cutter 12 is slidably connected with the guide 11 through the guide structure, the guide structure is used for guiding the movement direction of the cutter 12, one end of the cutter 12 is connected with the mounting seat assembly 13, the other end of the cutter 12 is used for cutting off the gate block, and the mounting seat assembly 13 is connected with the driving assembly 20.

Because the cutter 12 is generally arranged to be of a strip-shaped structure, when the cutter is pressed against the pouring gate block, if the cutter is subjected to larger bending stress, the problem of brittle fracture of the cutter 12 is likely to occur, and the moving track of the cutter 12 is guided by the guide piece 11, so that most stress can be ensured as much as possible along the extending direction of the cutter 12, and the bending stress is reduced, and the guide structure can also play a certain supporting role on the cutter 12, so that the brittle fracture of the cutter 12 is further avoided, and the service life of the cutter 12 is prolonged.

In a specific embodiment, the guide 11 is provided with a guide hole, and the cutter 12 is inserted into the guide hole, and the guide hole forms a guide structure.

The guide structure is arranged as the guide hole, so that the guide structure has the advantages of simple structure and convenience in processing.

In addition to the guide holes, in other embodiments, the guide structure may be configured as a guide slot or a sliding rail, and when the guide structure is configured as a sliding rail, correspondingly, the cutter 12 needs to be provided with a sliding slot matched with the sliding rail.

In a specific embodiment, the mount assembly 13 includes a first mounting block 131 and a second mounting block 132, the first mounting block 131 being connected to an end of the cutter 12, the second mounting block 132 being connected to the first mounting block 131, the second mounting block 132 being connected to an output of the drive assembly 20.

In a more specific embodiment, the first mounting block 131 is provided with a receiving hole, and the end of the cutter 12 is inserted into the receiving hole. More specifically, the bottom end surface of the cutter 12 is flush with the bottom surface of the first mounting block 13, a threaded connection hole is formed in the middle of the cutter 12, a bolt mounting hole is formed in the second mounting block 132, a bolt is arranged in the bolt mounting hole, and a bolt rod of the bolt is in threaded connection with the threaded connection hole; the first mounting block 131 and the second mounting block 132 may also be connected by bolts.

By adopting the bolt connection mode, the cutter 12 can be conveniently replaced after the cutter 12 becomes blunt due to a plurality of cutting operations.

In addition to bolting, in alternative embodiments, the cutter 12 and the first mounting block 131 may be coupled by clamping, bonding, or welding.

In one embodiment, the drive assembly 20 includes a drive module and a platen 21, the output of the drive module being connected to the platen 21, the platen 21 being connected to the cutter assembly 10.

The additional pressing plate 21 between the cutter assembly 10 and the driving module has the advantage that the pushing force output by the driving module is transmitted to the cutter assembly 10 through the pressing plate 21, so that the stress of the cutter assembly 10 is more uniform

In a specific embodiment, the driving module includes an oil cylinder 22 and an oil pipe 23, an output end of the oil cylinder 22 is connected with the pressing plate 21, one end of the oil pipe 23 is communicated with the oil cylinder 22, and the other end of the oil pipe 23 is communicated with an oil supply source.

The cylinder 22 is adopted to drive, so that the output pressure is high, the use is convenient, and the service life is long.

In a more specific embodiment, the drive assembly 20 further includes a return spring 24, the return spring 24 being disposed between the die and the cutter assembly 10, the return spring 24 being configured to urge the cutter assembly 10 and the output of the drive assembly 20 to return.

In a further specific embodiment, the cutter assembly 10 is provided with at least one mounting hole, each of which is inserted into a return spring 24, the return spring 24 being capable of extending from the mounting hole in its natural state.

In combination with the above arrangement of the cutter assembly 10, more specifically, the mounting hole is provided on the first mounting block 131.

The above scheme of setting the return spring 24 is more suitable for only outputting the extending oil cylinder 22, the return assembly drives the output end of the oil cylinder 22 to return, and the return spring 24 can also play an auxiliary return role for outputting the telescopic oil cylinder 22.

In a more specific embodiment, the drive module further comprises a nipple 25, the nipple 25 being adapted to communicate with different oil pipes.

In addition to the cylinder 22, in other embodiments, the driving member of the driving module may be a cylinder, a rotating motor or a telescopic shaft motor, and when the driving member is a rotating motor, it needs to be matched with a transmission mechanism for converting the rotation motion into the linear motion, for example, a screw mechanism, a worm gear mechanism, etc. Because the movement path of the cutter is relatively simple, and the output pressure value needs to be ensured to be large and stable when the pouring gate block is cut off, the cylinder 22 is adopted to drive the pouring gate block in various driving modes.

In one embodiment, the triggering component 30 includes a travel switch 31 and a timing controller (not shown), where the travel switch 31 can trigger when the mold is closed, and transmit information to the timing controller, and the timing controller sends a trigger signal after a preset time.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a mould inscribing device, sets up in the mould inner chamber, its characterized in that includes cutter unit spare, drive assembly and trigger assembly, drive assembly with the mould is connected, cutter unit spare with drive assembly connects, drive assembly is used for the drive cutter unit spare moves to the runner block direction, trigger assembly with the mould is connected, trigger assembly is used for giving the control drive assembly begins the trigger signal of work.

2. The in-mold cutting device according to claim 1, wherein the cutter assembly comprises a guide member, a cutter and a mounting seat assembly, the guide member is connected with the mold, a guide structure is arranged on the guide member, the cutter is in sliding connection with the guide member through the guide structure, the guide structure is used for guiding the movement direction of the cutter, one end of the cutter is connected with the mounting seat assembly, the other end of the cutter is used for cutting off a pouring gate block, and the mounting seat assembly is connected with the driving assembly.

3. The in-mold cutting device according to claim 2, wherein the guide member is provided with a guide hole, the cutter is inserted into the guide hole, and the guide hole constitutes the guide structure.

4. The in-mold cutting device according to claim 2, wherein the mount assembly comprises a first mount block and a second mount block, the first mount block being connected to an end of the cutter, the second mount block being connected to the first mount block, the second mount block being connected to an output of the drive assembly.

5. The in-mold cutting device according to claim 4, wherein the first mounting block is provided with a receiving hole, and the end of the cutter is inserted into the receiving hole.

6. The in-mold cutting device according to claim 1, wherein the driving assembly comprises a driving module and a pressing plate, an output end of the driving module is connected with the pressing plate, and the pressing plate is connected with the cutter assembly.

7. The in-mold cutting device according to claim 6, wherein the driving module comprises an oil cylinder and an oil pipe, an output end of the oil cylinder is connected with the pressing plate, one end of the oil pipe is communicated with the oil cylinder, and the other end of the oil pipe is communicated with an oil supply source.

8. The in-mold cutting device of claim 7, wherein the drive assembly further comprises a return spring disposed between the mold and the cutter assembly, the return spring configured to urge the cutter assembly and the output of the drive assembly to return.

9. The in-mold cutting device according to claim 8, wherein the cutter assembly is provided with at least one mounting hole, each mounting hole is inserted into one of the return springs, and an end portion of the return spring can extend out of the mounting hole in a natural state.

10. The in-mold cutting device according to claim 1, wherein the trigger assembly comprises a travel switch and a time sequence controller, the travel switch is capable of triggering when the mold is closed and transmitting information to the time sequence controller, and the time sequence controller sends the trigger signal after a preset time.