CN221604596U

CN221604596U - Punching machine for plastic product processing

Info

Publication number: CN221604596U
Application number: CN202322376514.4U
Authority: CN
Inventors: 覃艳红
Original assignee: Dongguan Yuante Electronic Technology Co ltd
Current assignee: Dongguan Yuante Electronic Technology Co ltd
Priority date: 2023-09-02
Filing date: 2023-09-02
Publication date: 2024-08-27
Anticipated expiration: 2033-09-02

Abstract

The utility model provides a punching machine for processing plastic products, and relates to the technical field of punching equipment. The utility model comprises a frame, a slide bar and a knife rest, wherein the two sides above the frame are fixedly provided with brackets positioned at the front end of a collecting tank, the two sides of the brackets are in threaded connection with limit screws, in the prior art, in the use process of the punching machine, a certain vibration exists at the moment of contact between a cutter and a workpiece in a punching mode, when the workpiece is made of elastic materials such as a plastic plate, the elastic buffering of the plastic plate can intensify the vibration effect, when the adjusting screw is rotated to move downwards, the bottom of the adjusting screw can extend downwards in a cutting sleeve, a pressure spring in a sliding cavity can push a tensioning column downwards, the distance between the tensioning column and the pressure spring upwards in the sliding cavity can be shortened, so that the tensioning column can be more compact, the tensioning column can adjust the supporting tensioning of the workpiece, the canceling effect on the vibration generated during the processing of the workpiece is better, and the stability and the processing precision of the workpiece are improved.

Description

Punching machine for plastic product processing

Technical Field

The utility model relates to the technical field of punching equipment, in particular to a punching machine for processing plastic products.

Background

At present, the punching is a processing process of realizing the cutting effect by utilizing a cutter with an initial speed to be in instant contact with workpieces such as plates and the like. Different from conventional shearing or cutting, the cutting tool is fixed on the punch, and the cutter is contacted with the workpiece after being accelerated under the action of the driving of the punch and the dead weight of the cutter, so that the cutting tool has the technical advantages of high cutting speed, trimming, flatness and the like.

The prior art has the publication number of CN215619533U, relates to a hole punching machine, comprises a double-start switch which is adopted to ensure the safety of workers during operation, effectively avoids accidents caused by improper operation, simultaneously, a counting module and a wireless module are additionally arranged, the working times are recorded in real time, working data are transmitted, the workers can conveniently maintain or replace the working tools and the equipment before the tools and the equipment reach fatigue damage, and the accidents caused by material aging and the like are effectively avoided.

However, in the use process of the punching machine, certain vibration exists in the moment that the cutter is contacted with the workpiece in the punching mode, when the workpiece is made of hard materials such as metal, the normal cutting cannot be affected by the vibration, but when the workpiece is made of elastic materials such as plastic plates, the vibration effect is aggravated by the elastic buffering of the plastic plates, and the problems that the cutting line is not straight enough and not vertical enough are easily caused.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a punching machine for processing plastic products, which solves the problems that in the prior art, in the use process of the punching machine, a certain vibration exists in the moment that a cutter is contacted with a workpiece in a punching mode, when the workpiece is made of hard materials such as metal, the vibration does not influence normal cutting, but when the workpiece is made of elastic materials such as a plastic plate, the elastic buffering of the plastic plate can aggravate the vibration effect, and the cutting line is easy to be uneven and uneven.

The utility model discloses a purpose and an effect of a punching machine for processing plastic products, which are achieved by the following specific technical means: the utility model provides a die-cutting machine is used in plastic goods processing, includes frame, slide bar and knife rest, slide bar fixed connection is in the top of frame, knife rest and slide bar sliding connection, the knife rest top is provided with the hydraulic stem the below of knife rest is provided with the cutter, the collecting vat that is located the cutter below is seted up to the top of frame, the bottom both sides fixedly connected with of knife rest is located the cutting ferrule of cutter front end, sliding connection has the tensioning post in the cutting ferrule, the top both sides fixed mounting of frame is located the support of collecting vat front end, support both sides threaded connection spacing screw.

Preferably, the two sides of the upper part of the tool rest are in threaded connection with adjusting screws which are arranged corresponding to the tensioning columns.

Preferably, the bottom end of the adjusting screw penetrates into the clamping sleeve, and the adjusting screw is in sliding connection with the clamping sleeve.

Preferably, a sliding cavity corresponding to the tensioning column is formed in the bottom end of the adjusting screw.

Preferably, the tensioning column penetrates into the sliding cavity, and the tensioning column is connected with the sliding cavity in a sliding mode.

Preferably, the top end of the tensioning column is provided with a pressure spring positioned in the sliding cavity.

Preferably, the bottom end of the tensioning column is arc-shaped and is provided with an elastic piece.

Preferably, a pressing piece positioned below the tool rest is connected to the side of the limit screw in a rotating way.

The beneficial effects are that:

1. Through the adjustment screw bottom set up smooth chamber, the adjustment screw bottom runs through to the inside of cutting ferrule, tensioning post top sliding connection is in smooth intracavity, make it rotate when moving down adjusting screw, adjusting screw bottom can extend down in the cutting ferrule, smooth intracavity portion pressure spring can promote tensioning post downwards, when the knife rest moves down to the minimum position after, tensioning post supports the top at the work piece, tensioning post upwards extrudees pressure spring's interval can shorten in smooth intracavity, and then make tensioning post can tighten more, tensioning post can be adjusted to work piece support tensioning, and then make the work piece of different types in the course of working, offset the effect better to the vibrations that produce when the work piece processing, improve the stability and the machining precision of work piece.

2. The bottom of the tensioning column is arc-shaped and is provided with an elastic piece, so that the tensioning column is pressed on the workpiece, when the workpiece is a plastic piece, the tensioning column is not easy to deform and the like, the protection effect on the workpiece is improved, the lateral rotation of the limiting screw is connected with a pressing piece positioned below the tool rest, when the workpiece is processed above the frame, the limiting screw can be rotated to push the pressing piece to be fixed on two sides of the workpiece, both sides and the upper side of the workpiece in the workpiece cutting process are limited, and the workpiece cutting process is free of shaking when the workpiece is cut.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the front cross-sectional structure of the present utility model.

Fig. 3 is a schematic view of a tensioning column according to the present utility model.

Fig. 4 is an enlarged view of fig. 2A according to the present utility model.

In fig. 1 to 4, the correspondence between the component names and the reference numerals is: the device comprises a frame-1, a slide bar-2, a hydraulic rod-201, a knife rest-3, a knife-301, a collecting tank-302, a clamping sleeve-4, a tensioning column-401, an adjusting screw-5, a slide cavity-501, a pressure spring-502, a bracket-6, a limit screw-601 and a tabletting-602.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

As shown in fig. 1 to 4: the utility model provides a die-cutting machine is used in plastic goods processing, includes frame 1, slide bar 2 and knife rest 3, and slide bar 2 fixed connection is in the top of frame 1, and knife rest 3 sliding connection makes its knife rest 3 can slide in slide bar 2 top on the side wall of slide bar 2, installs hydraulic stem 201 through knife rest 3 top, and the pneumatic cylinder that is located slide bar 2 top is installed on the top of hydraulic stem 201, and then makes the pneumatic cylinder can drive below hydraulic stem 201 and go up and down, and hydraulic stem 201 can drive knife rest 3 and go up and down in the top of frame 1.

Wherein, cutter 301 is installed to the below of knife rest 3, and the collecting vat 302 that is located the cutter 301 below is offered to frame 1 top, and then makes the work piece install behind frame 1's top, and when knife rest 3 promoted cutter 301 to go up and down, cutter 301 can fall into below collecting vat 302 with the waste material after the work piece tailors and collect.

It should be understood that the above-mentioned fixed connection means that the two cannot perform relative movement, and there are various ways of fixing the connection, and the fixing can be performed by adopting a welding way, so that the sliding rod 2 is more stable when supporting the tool rest 3.

The clamping sleeve 4 that is located the cutter 301 front end is fixedly connected with in the bottom both sides of knife rest 3, has tensioning post 401 through clamping sleeve 4 below sliding connection, and then makes knife rest 3 promote when cutter 301 tailors the work piece, tensioning post 401 can support it in the top of work piece earlier to reduce the vibrations that produce when the work piece tailors, improve the work piece and tailor the precision.

The two sides above the frame 1 are fixedly provided with the support 6 positioned at the front end of the collecting tank 302, and the two sides of the support 6 are in threaded connection with the limit screw 601, so that the limit screw 601 can move at the side of the support 6 when the limit screw 601 is rotated.

Examples

As shown in fig. 1 to 4: the adjusting screw 5 that the top both sides threaded connection of knife rest 3 corresponds tensioning post 401 and sets up, and adjusting screw 5 bottom runs through to the inside of cutting ferrule 4, makes it rotate the in-process with adjusting screw 5, and adjusting screw 5 bottom can go up and down in cutting ferrule 4 inside.

Wherein, sliding chamber 501 has been seted up to adjusting screw 5 bottom, tensioning post 401 top sliding connection is in sliding chamber 501, pressure spring 502 that is located sliding chamber 501 is installed on tensioning post 401 top, when making it rotate adjusting screw 5 and move down, adjusting screw 5 bottom can extend down in cutting ferrule 4, the inside pressure spring 502 of sliding chamber 501 can promote tensioning post 401 downwards, when knife rest 3 moves down to the minimum position after, tensioning post 401 supports the top at the work piece, the interval that tensioning post 401 upwards extrudeed pressure spring 502 in sliding chamber 501 can shorten, and then make tensioning post 401 can tighten more, make the dynamics that its tensioning post 401 extrudeed the work piece downwards bigger, tensioning post 401 can be adjusted and support tensioning to the work piece, and then make the work piece of different types in the course of working, the vibrations that produce when processing the work piece offset the effect better, improve the stability and the machining precision of work piece.

As shown in fig. 1 to 4: the tensioning post 401 bottom is the arc and is elastic material setting such as rubber or silica gel, and then when making the tensioning post 401 press in the top of work piece and support, if the work piece is the plastic part, the tensioning post 401 is difficult for producing the problem such as warp, improves the protection effect to the work piece.

As shown in fig. 1 to 4: the side rotation of spacing screw 601 is connected with the preforming 602 that is located knife rest 3 below, and then makes the work piece of equidimension when the top processing of frame 1, can rotate spacing screw 601 and promote preforming 602 to support the both sides at the work piece fixedly, and then makes both sides and top all can obtain spacingly in the work piece cutting process, and the problem that rocks can not appear more when making its work piece cut out and add the processing efficiency and the precision of work piece.

Working principle: through installing the work piece in the top of frame 1, the spacing screw 601 with support 6 side rotates, make its spacing screw 601 can promote the preforming 602 and support the both sides fixed at the work piece, and then make the work piece cut out the in-process both sides and obtain spacingly, when pushing down below knife rest 3 through hydraulic stem 201, knife rest 3 can promote cutter 301 and move down on slide bar 2 lateral wall, and then make knife rest 3 promote when cutter 301 cuts out the work piece, tensioning column 401 can support it in the top of work piece earlier, when moving down adjusting screw 5 rotation, adjusting screw 5 bottom can downwardly extending in cutting ferrule 4, the inside compression spring 502 of slide cavity 501 can promote tensioning column 401 downwardly, when knife rest 3 downwardly moves to the extreme low back, tensioning column 401 supports the top of work piece, the interval of upwards extrusion compression spring 502 in slide cavity 501 can shorten, and then make tensioning column 401 can tighten, make its tensioning column 401 downwardly extrude the bigger of work piece, the top and both sides of work piece all-round spacing dynamics all obtain, and then make different kinds of work piece offset the better during the processing precision of work piece, and processing stability is improved to the work piece.

Claims

1. The utility model provides a die-cutting machine is used in plastic goods processing, includes frame (1), slide bar (2) and knife rest (3), slide bar (2) fixed connection is in the top of frame (1), knife rest (3) and slide bar (2) sliding connection, knife rest (3) top is provided with hydraulic stem (201) the below of knife rest (3) is provided with cutter (301), its characterized in that: the utility model discloses a cutting tool for cutting a plastic material, including frame (1), cutting knife (301), cutting tool rest (3), frame (1) top is offered and is located collecting vat (302) of cutter (301) below, the bottom both sides fixedly connected with of knife rest (3) are located cutting tool sleeve (4) of cutter (301) front end, sliding connection has tensioning post (401) in cutting tool sleeve (4), the top both sides fixed mounting of frame (1) are located support (6) of collecting vat (302) front end, support (6) both sides threaded connection spacing screw (601).

2. The die cutting machine for processing plastic products according to claim 1, wherein: and adjusting screws (5) arranged corresponding to the tensioning columns (401) are connected with two sides of the upper part of the tool rest (3) in a threaded manner.

3. The die cutting machine for processing plastic products according to claim 2, wherein: the bottom end of the adjusting screw (5) penetrates into the clamping sleeve (4), and the adjusting screw (5) is slidably connected in the clamping sleeve (4).

4. The die cutting machine for processing plastic products according to claim 2, wherein: and a sliding cavity (501) arranged corresponding to the tensioning column (401) is formed in the bottom end of the adjusting screw (5).

5. The die cutting machine for processing plastic products according to claim 4, wherein: the tensioning column (401) penetrates into the sliding cavity (501), and the tensioning column (401) is connected with the sliding cavity (501) in a sliding mode.

6. The die cutting machine for processing plastic products according to claim 5, wherein: the top end of the tensioning column (401) is provided with a pressure spring (502) positioned in the sliding cavity (501).

7. The die cutting machine for processing plastic products according to claim 1, wherein: the bottom end of the tensioning column (401) is arc-shaped and is provided with an elastic piece.

8. The die cutting machine for processing plastic products according to claim 1, wherein: and a pressing piece (602) positioned below the tool rest (3) is rotationally connected to the side of the limit screw (601).