CN212472150U

CN212472150U - Burr removing device for injection molded chair back

Info

Publication number: CN212472150U
Application number: CN202020997971.9U
Authority: CN
Inventors: 俞丽鸽
Original assignee: Zhejiang Mixin Industry And Trade Co ltd
Current assignee: Zhejiang Mixin Industry And Trade Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-02-05
Anticipated expiration: 2030-06-03

Abstract

The utility model provides a deckle edge remove device of the back of the chair of moulding plastics belongs to mechanical technical field. The utility model provides a burr remove device of back of the chair of moulding plastics, the on-line screen storage device comprises a base, be fixed with the platform of placing the back of the chair on the base, still including being used for placing the bench back of the chair and carrying out the trim trimming mechanism of burr pruning, trimming mechanism includes first trimming sword, second trimming sword and fixed casing, the middle part of first trimming sword and second trimming sword articulates on fixed casing, the one end of first trimming sword and second trimming sword forms the trimming mouth, be fixed with driving motor on the casing, be fixed with the eccentric block on driving motor's the output shaft, the last slide cartridge that has of fixed casing, it is provided with the slide bar to slide in the slide cartridge. The utility model has the advantages of it is efficient to get rid of deckle edge.

Description

Burr removing device for injection molded chair back

Technical Field

The utility model belongs to the technical field of machinery, especially a deckle edge remove device of the back of the chair of moulding plastics.

Background

At present, most of schools use injection molding chairs, wherein the upper part of a desk of the injection molding chair adopts an injection molding desktop, and a metal bracket is adopted at the lower part of the desk.

But the mould is after the use number of times is too much, reduces behind its leakproofness, can cause the edge of moulding plastics the back of the chair to produce deckle edge, needs artifical pruning, and traditional pruning mode is manual with the blade rejection, and is inefficient.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided an unedged remove device of the back of the chair of moulding plastics, solved and got rid of the unedged inefficiency problem.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a deckle edge remove device of back of chair of moulding plastics, includes the base, the base on be fixed with the platform of placing the back of the chair, its characterized in that still includes and is used for placing the trimming mechanism that the bench back of the chair carries out the deckle edge pruning, trimming mechanism include first trimming sword, second trimming sword and fixed casing, the middle part of first trimming sword and second trimming sword articulate on fixed casing, the one end of first trimming sword and second trimming sword forms the trimming mouth, the casing on be fixed with driving motor, be fixed with the eccentric block on driving motor's the output shaft, fixed casing on have a slide cartridge, the slide cartridge in slide and be provided with the slide bar, the slide bar passes through the pressure spring and fixed casing fixed link to each other, the eccentric block can drive the slide bar round trip movement, the slide bar on articulated have connecting rod one and connecting rod two, connecting rod one is articulated with first trimming sword one end, the connecting rod II is hinged with one end of the second pruning knife, a limiting plate is fixed on the fixed shell, a limiting opening I is formed in the limiting plate, and the limiting opening I corresponds to the pruning opening.

In the burr removing device for the injection molding chair back, the base is provided with a bracket for placing the trimming mechanism.

In the burr removing device for the injection molding chair back, the end part of the sliding rod is rotatably provided with the roller, and the roller is abutted against the eccentric block.

In the burr removing device for the injection molded chair back, the fixed shell is further fixed with a protection shell, the protection shell is fixedly connected with the limiting plate, the protection shell is provided with a second limiting opening, and the second limiting opening corresponds to the first limiting opening.

In the burr removing device for the injection molding chair back, chip removal ports are formed in two sides of the protective shell.

Compared with the prior art, the utility model has the advantages of it is following:

the burrs are clamped into trimming ports on the first trimming cutter and the second trimming cutter, then a driving motor is started, the driving motor drives an eccentric block to rotate, the eccentric block drives a sliding rod to move back and forth, the sliding rod drives the first trimming cutter and the second trimming cutter to do shearing movement through a first connecting rod and a second connecting rod, and the sliding rod is reset through a spring. The limiting ports on the limiting plate have a guiding function, so that burrs can be trimmed conveniently. The utility model discloses can be quick prune deckle edge, compare in traditional cutting with the sword and remove, its aesthetic measure and processing speed improve greatly.

Drawings

Fig. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic view of the trimmer mechanism with a portion of the stationary housing removed.

Fig. 3 is a schematic view of the eccentric block and the slide bar of the present invention.

In the figure, 1, a base; 2. a placing table; 3. a first trimming blade; 4. a second trimming blade; 5. a stationary housing; 6. a drive motor; 7. an eccentric block; 8. a slide cylinder; 9. a slide bar; 10. a pressure spring; 11. a first connecting rod; 12. a second connecting rod; 13. a limiting plate; 13a, a first limiting opening; 14. a support; 15. a roller; 16. a protective housing; 16a and a second limit opening; 17. a chip removal port.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 3, a burr removing device for an injection molding chair back comprises a base 1, a placing table 2 for placing the chair back is fixed on the base 1, and a trimming mechanism for trimming burrs of the chair back on the placing table 2, wherein the trimming mechanism comprises a first trimming blade 3, a second trimming blade 4 and a fixed shell 5, the middle parts of the first trimming blade 3 and the second trimming blade 4 are hinged on the fixed shell 5, trimming ports are formed at one ends of the first trimming blade 3 and the second trimming blade 4, a driving motor 6 is fixed on the shell, an eccentric block 7 is fixed on an output shaft of the driving motor 6, a sliding barrel 8 is arranged on the fixed shell 5, a sliding rod 9 is arranged in the sliding barrel 8 in a sliding manner, the sliding rod 9 is fixedly connected with the fixed shell 5 through a pressure spring 10, the eccentric block 7 can drive the sliding rod 9 to move back and forth, a first connecting rod 11 and a second connecting rod 12 are hinged on the sliding rod 9, the first connecting rod 11 is hinged with one end, the second connecting rod 12 is hinged with one end of the second pruning knife 4, a limiting plate 13 is fixed on the fixed shell 5, a limiting opening 13a is formed in the limiting plate 13, and the limiting opening 13a corresponds to the pruning opening.

The utility model discloses a theory of operation: the back of the chair is placed on the placing table 2, and then the worker grasps the trimming mechanism to trim the burrs on the back of the chair. The trimming principle is that burrs are clamped into trimming ports on a first trimming cutter 3 and a second trimming cutter 4, then a driving motor 6 is started, the driving motor 6 drives an eccentric block 7 to rotate, the eccentric block 7 drives a sliding rod 9 to move back and forth, the sliding rod 9 drives the first trimming cutter 3 and the second trimming cutter 4 to do shearing movement through a first connecting rod 11 and a second connecting rod 12, and the sliding rod 9 is reset through a spring. The first limiting port 13a in the limiting plate 13 plays a role in guiding, so that burrs can be conveniently trimmed, meanwhile, the cutting edges of the first trimming blade 3 and the second trimming blade 4 cannot be completely closed in the trimming process, and the first trimming blade 3 and the second trimming blade 4 are always in an X shape.

The utility model discloses can be quick prune deckle edge, compare in traditional cutting with the sword and remove, its aesthetic measure and processing speed improve greatly.

Specifically, a bracket 14 for placing the trimming mechanism is provided on the base 1. The trimming mechanism is convenient to place.

Specifically, the end of the slide rod 9 is rotatably provided with a roller 15, and the roller 15 is abutted against the eccentric block 7. Avoid eccentric block 7 wearing and tearing too fast, can effectively reduce the noise simultaneously.

Specifically, the fixed housing 5 is further fixed with a protection housing 16, the protection housing 16 is fixedly connected with the limit plate 13, the protection housing 16 is provided with a second limit opening 16a, and the second limit opening 16a corresponds to the first limit opening 13 a. The protective housing 16 can provide protection during the trimming process. Prevent the fingers of the worker from extending into the cutting opening.

Specifically, chip removal ports 17 are formed on two sides of the protective shell 16. Burrs that have entered the protective casing 16 can be discharged through this discharge opening.

The above components are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a deckle edge remove device of back of chair of moulding plastics, includes the base, the base on be fixed with the platform of placing the back of the chair, its characterized in that still includes and is used for placing the trimming mechanism that the bench back of the chair carries out the deckle edge pruning, trimming mechanism include first trimming sword, second trimming sword and fixed casing, the middle part of first trimming sword and second trimming sword articulate on fixed casing, the one end of first trimming sword and second trimming sword forms the trimming mouth, the casing on be fixed with driving motor, be fixed with the eccentric block on driving motor's the output shaft, fixed casing on have a slide cartridge, the slide cartridge in slide and be provided with the slide bar, the slide bar passes through the pressure spring and fixed casing fixed link to each other, the eccentric block can drive the slide bar round trip movement, the slide bar on articulated have connecting rod one and connecting rod two, connecting rod one is articulated with first trimming sword one end, the connecting rod II is hinged with one end of the second pruning knife, a limiting plate is fixed on the fixed shell, a limiting opening I is formed in the limiting plate, and the limiting opening I corresponds to the pruning opening.

2. The device for removing burrs of an injection molded chair back according to claim 1, wherein the base is provided with a bracket for placing the trimming mechanism.

3. An injection molded chair back burr removing device as claimed in claim 1, wherein the slide bar end is rotatably provided with a roller, and the roller abuts against the eccentric block.

4. The burr removing device for the injection molded chair back of claim 1, wherein the fixed shell is further fixed with a protective shell, the protective shell is fixedly connected with the limiting plate, the protective shell is provided with a second limiting opening, and the second limiting opening corresponds to the first limiting opening.

5. The burr removing device for injection molded chair backs of claim 4, wherein chip removal ports are formed on two sides of the protective shell.