CN213321474U

CN213321474U - Water gap cutting device for PMMA (polymethyl methacrylate) product

Info

Publication number: CN213321474U
Application number: CN202021053540.3U
Authority: CN
Inventors: 胡仁德; 黄俊文; 林志兵; 刘珍; 张土深
Original assignee: Guangzhou Stanley Electric Co Ltd
Current assignee: Guangzhou Stanley Electric Co Ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-06-01
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses a water gap cutting device of PMMA products, which comprises a workbench, a positioning component, a pressing component and a cutter component; the positioning assembly is used for being attached to the side face of the PMMA product so as to position the PMMA product on the workbench; the pressing assembly comprises a pressing rod and a first driving mechanism; the first driving mechanism is used for driving the pressing rod to move so that the pressing rod can be pressed downwards against the PMMA product or separated from the PMMA product; the cutter assembly comprises a cutter and a second driving mechanism; the second driving mechanism is used for driving the cutter to move so that the cutter cuts off the water gap. The utility model discloses a set up locating component, compress tightly subassembly and cutter unit spare, locating component fixes a position the PMMA product at the workstation, and the depression bar that compresses tightly the subassembly fixes the PMMA product mortgage at the workstation, under cutter unit spare's second actuating mechanism drive, realizes that the cutter amputates the mouth of a river, by last, realizes the mechanized mouth of a river of excision, reduces intensity of labour, raises the efficiency.

Description

Water gap cutting device for PMMA (polymethyl methacrylate) product

Technical Field

The utility model relates to a processing equipment especially relates to a mouth of a river resection device of PMMA product.

Background

PMMA products (such as the automobile tail light shown in fig. 3) are usually manufactured by injection molding, and except the automobile tail light, a water gap is formed around the automobile tail light during the injection molding process, and at present, the water gap can only be trimmed manually, the product is made of a hard material, the manual shearing difficulty is high, and after the operation time is long, the worker can feel painful, the labor and time are wasted, the efficiency is low, and the production requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a water gap cutting device for PMMA products, which can mechanically cut a water gap, reduce labor intensity and improve efficiency.

The purpose of the utility model is realized by adopting the following technical scheme:

a water gap cutting device for PMMA products comprises a workbench, a positioning assembly, a pressing assembly and a cutter assembly; the positioning assembly is used for being attached to the side face of the PMMA product so as to position the PMMA product on the workbench; the pressing assembly comprises a pressing rod and a first driving mechanism; the pressure lever is arranged above the workbench; the first driving mechanism is used for driving the pressing rod to move so that the pressing rod can be pressed downwards against the PMMA product or separated from the PMMA product; the cutter assembly comprises a cutter and a second driving mechanism; the second driving mechanism is used for driving the cutter to move so that the cutter can cut off the water gap.

Further, the first driving mechanism is a rotary cylinder, and an output shaft of the rotary cylinder is in transmission connection with the pressure rod.

Furthermore, the number of the pressing assemblies is two, and the two pressing assemblies are respectively arranged at two opposite ends of the workbench.

Furthermore, the second driving mechanism is an air cylinder, and an expansion rod of the air cylinder is in transmission connection with the cutter.

Furthermore, the number of the cutter assemblies is three, and the three cutter assemblies are arranged on the workbench at intervals.

Further, the positioning assembly comprises at least two positioning blocks; at least two positioning blocks are sequentially arranged at intervals along the length direction of the workbench; one of the positioning blocks is used for being attached to the end face of the PMMA product, and the other positioning block is used for being attached to the side face of the PMMA product.

Furthermore, the positioning block comprises a supporting plate and a collision resisting plate which are fixedly connected; the supporting plate is fixed on the workbench; the side faces of the abutting and colliding plates for PMMA products are attached to each other, and the upper surfaces of the abutting and colliding plates are higher than the upper surfaces of the supporting plates.

Furthermore, handles are respectively fixed at two opposite ends of the workbench.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a set up locating component, compress tightly subassembly and cutter unit spare, locating component fixes a position the PMMA product at the workstation, and the depression bar that compresses tightly the subassembly fixes the PMMA product mortgage at the workstation, later under cutter unit spare's second actuating mechanism drive, realizes that the cutter amputates the mouth of a river, by last, realizes the mechanized mouth of a river of excision, reduces intensity of labour, raises the efficiency.

Drawings

FIG. 1 is a schematic structural view of a water gap cutting device for PMMA products of the present invention;

FIG. 2 is a view showing a state of use of the device for cutting off the water gap of PMMA product of the present invention;

fig. 3 is a schematic structural diagram of a conventional automobile tail light.

In the figure: 10. a work table; 20. a positioning assembly; 21. positioning blocks; 211. a support plate; 212. a collision plate; 30. a compression assembly; 31. a pressure lever; 32. a first drive mechanism; 40. a cutter assembly; 41. a cutter; 42. a second drive mechanism; 50. a handle; 60. PMMA product; 61. a nozzle.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

The water gap cutting device for PMMA products as shown in figures 1-2 comprises a workbench 10, a positioning assembly 20, a pressing assembly 30 and a cutter assembly 40; the positioning assembly 20 is used for being attached to the side surface of the PMMA product 60 so as to position the PMMA product 60 in the workbench 10; the pressing assembly 30 includes a pressing rod 31 and a first driving mechanism 32; the pressure lever 31 is installed above the worktable 10; the first driving mechanism 32 is used for driving the pressing rod 31 to move so that the pressing rod 31 presses the PMMA product 60 downwards or separates from the PMMA product 60, it can be understood that when the pressing rod 31 presses the PMMA product 60 downwards, the PMMA product 60 can be fixed in the workbench 10, when the first driving mechanism 32 drives the pressing rod 31 to extend into the workbench 10, the pressing of the pressing rod 31 on the PMMA product 60 can be realized, and when the pressing rod 31 separates from the PMMMA product, the pressing of the pressing rod 31 on the PMMA product 60 is released; the cutter assembly 40 includes a cutter 41 and a second driving mechanism 42; the second driving mechanism 42 is used for driving the cutter 41 to move, so that the cutter 41 cuts off the water gap 61; therefore, when the automobile tail lamp shown in fig. 3 is placed on the workbench 10, the positioning assembly 20 positions the PMMA product 60 in the workbench 10, the first driving mechanism 32 drives the pressing rod 31 to move and downwards abuts against the PMMA product 60 so as to fix the product in the workbench 10, and then the second driving mechanism 42 drives the cutter 41 to move so as to cut off the water gap 61, so that the water gap 61 is mechanically cut off, the labor intensity is reduced, and the efficiency is improved, so that the production requirement is met.

Specifically, the first driving mechanism 32 is a rotary cylinder, an output shaft of the rotary cylinder is in transmission connection with the pressure lever 31, referring to fig. 1, in the process that the rotary cylinder drives the pressure lever 31 to rotate, the pressure lever 31 gradually moves to a position close to the highest point of the PMMA product 60, so that the pressure lever abuts against the upper surface of the PMMA product 60; when the rotating cylinder rotates to drive the pressing rod 31 to rotate, the pressing rod 31 can be far away from the PMMA product 60, and the pressing rod 31 is prevented from blocking the PMMA product 60 when being placed and taken out.

The number of the compressing assemblies 30 can be one group, and one group of the compressing assemblies 30 is arranged in the middle of the workbench 10 to press the middle of the PMMA product 60; in this embodiment, the number of the pressing assemblies 30 is preferably two, and the two pressing assemblies 30 are respectively disposed at two opposite ends of the worktable 10 to provide sufficient pressing force and to achieve pressure equalization to prevent one end from tilting.

Specifically, the second driving mechanism 42 is a cylinder, and an expansion link of the cylinder is in transmission connection with the cutting knife 41.

In actual use, there are three groups of cutter assemblies 40, three groups of cutter assemblies 40 are arranged on the workbench 10 at intervals, and the three groups of cutter assemblies 40 correspond to the three water gaps 61 one by one, so that the three water gaps 61 are respectively cut.

Specifically, the positioning assembly 20 includes at least two positioning blocks 21; at least two positioning blocks 21 are sequentially arranged at intervals along the length direction of the workbench 10; one positioning block 21 is used for being attached to the end face of the PMMA product 60, and the other positioning block 21 is used for being attached to the side face of the PMMA product 60; it should be noted that the end face of the PMMA product 60 and the side face of the PMMA product 60 refer to two faces of the PMMA product 60 which are not arranged opposite to each other; in this way, the PMMA product 60 is attached to at least three sides, and the PMMA product 60 is positioned.

Furthermore, the positioning block 21 includes a supporting plate 211 and a collision plate 212 fixedly connected; the supporting plate 211 is fixed on the workbench 10, and the supporting plate 211 is supported on the bottom surface of the PMMA product 60 so as to support the PMMA product 60 and the water gap 61 for convenient cutting; the abutting plate 212 is used for the side face of the PMMA product 60 to be attached, and the upper surface of the abutting plate 212 is higher than the upper surface of the supporting plate 211.

Preferably, handles 50 are fixed to opposite ends of the table 10, respectively, to facilitate handling of the water gap cutting device for PMMA products.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A water gap cutting device for PMMA products is characterized in that: comprises a workbench, a positioning component, a pressing component and a cutter component; the positioning assembly is used for being attached to the side face of the PMMA product so as to position the PMMA product on the workbench; the pressing assembly comprises a pressing rod and a first driving mechanism; the pressure lever is arranged above the workbench; the first driving mechanism is used for driving the pressing rod to move so that the pressing rod can be pressed downwards against the PMMA product or separated from the PMMA product; the cutter assembly comprises a cutter and a second driving mechanism; the second driving mechanism is used for driving the cutter to move so that the cutter can cut off the water gap.

2. A nozzle cutting device for PMMA products according to claim 1, wherein: the first driving mechanism is a rotary cylinder, and an output shaft of the rotary cylinder is in transmission connection with the pressure rod.

3. A nozzle cutting device for PMMA products according to claim 1, wherein: the number of the pressing assemblies is two, and the two pressing assemblies are respectively arranged at two opposite ends of the workbench.

4. A nozzle cutting device for PMMA products according to claim 1, wherein: the second driving mechanism is an air cylinder, and a telescopic rod of the air cylinder is in transmission connection with the cutter.

5. A nozzle cutting device for PMMA products according to claim 1, wherein: the number of the cutter assemblies is three, and the cutter assemblies are arranged on the workbench at intervals.

6. A nozzle cutting device for PMMA products according to claim 1, wherein: the positioning assembly comprises at least two positioning blocks; at least two positioning blocks are sequentially arranged at intervals along the length direction of the workbench; one of the positioning blocks is used for being attached to the end face of the PMMA product, and the other positioning block is used for being attached to the side face of the PMMA product.

7. A nozzle cutting device for PMMA products as claimed in claim 6, characterized in that: the positioning block comprises a supporting plate and a collision resisting plate which are fixedly connected; the supporting plate is fixed on the workbench; the side faces of the abutting and colliding plates for PMMA products are attached to each other, and the upper surfaces of the abutting and colliding plates are higher than the upper surfaces of the supporting plates.

8. A nozzle cutting device for PMMA products according to claim 1, wherein: handles are respectively fixed at two opposite ends of the workbench.