CN217991452U

CN217991452U - Auxiliary clamping tool for welding of PTFE (polytetrafluoroethylene) plates

Info

Publication number: CN217991452U
Application number: CN202221789009.1U
Authority: CN
Inventors: 魏佩洪; 魏欣然; 黄伟
Original assignee: Zhenjiang Hongke Rubber & Plastic Co ltd
Current assignee: Zhenjiang Hongke Rubber & Plastic Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-12-09
Anticipated expiration: 2032-07-12

Abstract

The utility model relates to a centre gripping frock is assisted in tetrafluoro panel welding, comprises a workbench, the last perpendicular surface of workstation is fixed with the box, the back of the body wall of box inner chamber is equipped with fixed establishment, the roof of box inner chamber is equipped with the welding subassembly, the lower surface of workstation is equipped with leveling mechanism. This centre gripping frock is assisted in tetrafluoro sheet material welding has set up fixed establishment in this centre gripping frock is assisted in welding, mutually support between each structure in the fixed establishment, can be in the in-process that carries out welding process to tetrafluoro sheet material, carry out location centre gripping to tetrafluoro sheet material from the left and right sides of tetrafluoro sheet material, make the central point of tetrafluoro sheet material be located welding assembly's below, can firmly fix tetrafluoro sheet material, the stability of tetrafluoro sheet material in welding process has been improved, and then the product quality of welded precision and tetrafluoro sheet material has been improved, deuterogamy levelling mechanism, the roughness of tetrafluoro sheet material has been improved, welding process's precision has been improved indirectly.

Description

Auxiliary clamping tool for welding of PTFE (polytetrafluoroethylene) plates

Technical Field

The utility model relates to a tetrafluoro panel processing technology field specifically is a tetrafluoro panel welding assists centre gripping frock.

Background

The polytetrafluoroethylene plate is divided into a polytetrafluoroethylene molded plate and a polytetrafluoroethylene turning plate, the molded plate is formed by compression molding of polytetrafluoroethylene resin at normal temperature and sintering and cooling, the turning plate is formed by pressing, sintering and rotary cutting of the polytetrafluoroethylene resin, the polytetrafluoroethylene plate has good physical and chemical properties, has excellent performances such as high temperature resistance, wear resistance, high pressure resistance, acid and alkali resistance and the like, has the name of the king of plastics, and is often required to be welded in the production and processing process of the polytetrafluoroethylene plate, so that an auxiliary clamping tool is required to clamp and fix the polytetrafluoroethylene plate.

The welding is assisted the various of centre gripping frock in the existing market, but most welding is assisted the centre gripping frock and is having the poor shortcoming of centre gripping effect, in the prior art, in the in-process of carrying out welding process to the polytetrafluoroethylene board, often need welding to assist centre gripping frock and fix the polytetrafluoroethylene board earlier and weld process again, welding in the prior art is assisted the centre gripping frock and only can carry out preliminary fixed to the polytetrafluoroethylene board, at welding process's in-process, because external factor's influence, the condition that position offset can appear in the polytetrafluoroethylene board unavoidably, can reduce the welded precision like this, influence welded effect, and then reduce the product quality of polytetrafluoroethylene board.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a centre gripping frock is assisted in tetrafluoro panel welding possesses the effectual advantage of centre gripping, and it is poor to have solved the centre gripping effect of welding centre gripping frock on the traditional art, and the condition of offset can appear in panel inevitable, leads to the poor problem of welding effect.

In order to achieve the above purpose, the utility model provides a following technical scheme: a polytetrafluoroethylene plate welding auxiliary clamping tool comprises a workbench, wherein a box body is vertically fixed on the upper surface of the workbench, a fixing mechanism is arranged on the back wall of an inner cavity of the box body, a welding assembly is arranged on the top wall of the inner cavity of the box body, and a leveling mechanism is arranged on the lower surface of the workbench;

the fixed establishment includes centre gripping subassembly and buffer unit, the centre gripping subassembly is including fixing two motors at box inner chamber back of the body wall, the outside of motor output shaft is fixed with the gear that is being driven by it and is doing circular motion, the outside meshing of gear has the rack, the left and right sides wall of box inner chamber all is fixed with the gag lever post, the last fixed surface of workstation has welding platform.

Further, rack sliding connection is in the outside of gag lever post, the shape of box is the cuboid of inside cavity and front and the equal disappearance of lower surface.

Furthermore, the buffering assembly comprises side plates fixed on the opposite sides of the two racks respectively, telescopic rods are fixed on the opposite sides of the side plates, clamping plates are fixed at the ends, far away from the side plates, of the telescopic rods, and springs are movably sleeved on the telescopic rods, wherein the two sides of the springs are fixed with the side plates and the clamping plates respectively.

Furthermore, two the relative one side of grip block all is fixed with the rubber gasket, welding assembly faces welded platform's direction.

Further, leveling mechanism is including fixing the control box at the workstation lower surface, the diapire of control box inner chamber is fixed with electric putter, the outside of electric putter output shaft is fixed with the plywood that is being driven by it and is doing linear motion from top to bottom, the upper surface of plywood is fixed with the connecting rod, the one end that the plywood was kept away from to the connecting rod is fixed with the clamp plate.

Furthermore, the upper surface of the workbench is provided with a movable hole for inserting the connecting rod, and the movable hole is in clearance fit with the connecting rod.

Further, plywood sliding connection is in the inside of control box, the shape of control box is inside cavity and the cuboid of upper surface disappearance.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this centre gripping frock is assisted in tetrafluoro sheet material welding has set up fixed establishment in this centre gripping frock is assisted in welding, mutually support between each structure in the fixed establishment, can be in the in-process that carries out welding process to tetrafluoro sheet material, carry out location centre gripping to tetrafluoro sheet material from the left and right sides of tetrafluoro sheet material, make the central point of tetrafluoro sheet material be located welding assembly's below, and can firmly fix tetrafluoro sheet material, the stability of tetrafluoro sheet material in welding process has been improved, and then welded precision has been improved, the product quality of tetrafluoro sheet material has been promoted.

2. This centre gripping frock is assisted in tetrafluoro sheet material welding has set up levelling mechanism in this centre gripping frock is assisted in welding, mutually supports between each structure in the levelling mechanism, can flatten the tetrafluoro sheet material that needs welding process, guarantees the roughness on tetrafluoro sheet material surface, and then indirectly has improved welding process's precision, cooperation fixed establishment, makes tetrafluoro sheet material firmly fixed on welding platform, has guaranteed welding process's normal clear.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the fixing mechanism of the present invention;

fig. 3 is a schematic view of the leveling mechanism of the present invention.

In the figure: 1 workbench, 2 box bodies, 3 fixing mechanism, 301 motor, 302 gear, 303 rack, 304 limiting rod, 305 welding platform, 306 side plate, 307 telescopic rod, 308 clamping plate, 309 spring, 4 welding assembly, 5 leveling mechanism, 501 control box, 502 electric push rod, 503 laminate, 504 connecting rod and 505 pressing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the auxiliary clamping tool for welding tetrafluoro plates in the embodiment includes a workbench 1, a box body 2 is vertically fixed on the upper surface of the workbench 1, a fixing mechanism 3 is arranged on the back wall of the inner cavity of the box body 2, a welding assembly 4 is arranged on the top wall of the inner cavity of the box body 2, and a leveling mechanism 5 is arranged on the lower surface of the workbench 1.

Wherein, the left and right sides of workstation 1 lower surface all is fixed with the supporting legs, and supporting legs evenly distributed is at the lower surface of workstation 1, and the shape of box 2 is the cuboid that inside cavity and front and lower surface all lacked.

It should be noted that, the welding assembly 4 includes a cylinder assembly fixed on the top wall of the inner cavity of the box body 2, an installation plate driven by the cylinder assembly to move up and down linearly is fixed on the outer side of the output shaft of the cylinder assembly, a welding portion is fixed on the lower surface of the installation plate, and common welding equipment on the market at the welding position is not described in detail herein.

Referring to fig. 2, in order to fixedly clamp the tetrafluoro sheet material from the left and right sides of the tetrafluoro sheet material and improve the stability of the tetrafluoro sheet material in the welding process, the fixing mechanism 3 in this embodiment includes a clamping component and a buffer component, the clamping component includes two motors 301 fixed on the back wall of the inner cavity of the box body 2, a gear 302 driven by the output shaft of the motors 301 to perform circular motion is fixed on the outer side of the output shaft of the motors 301, a rack 303 is engaged with the outer side of the gear 302, both the left and right side walls of the inner cavity of the box body 2 are fixed with limit rods 304, a welding platform 305 is fixed on the upper surface of the workbench 1, and the welding platform 305 is used for placing the tetrafluoro sheet material.

The racks 303 are slidably connected to the outer sides of the limiting rods 304, and in the process that the two racks 303 move relatively, the limiting rods 304 limit the racks 303, so that the racks 303 move on the same vertical line.

The buffer assembly comprises side plates 306 respectively fixed on opposite sides of the two racks 303, telescopic rods 307 are fixed on opposite sides of the two side plates 306, a clamping plate 308 is fixed on one end, far away from the side plates 306, of each telescopic rod 307, and springs 309 fixed with the side plates 306 and the clamping plate 308 on two sides are movably sleeved on the telescopic rods 307.

The rubber gaskets are fixed on the opposite sides of the two clamping plates 308, the rubber gaskets are soft in texture, the outer sides of the PTFE plates can be prevented from being clamped, the PTFE plates are well protected, and the welding assembly 4 faces the direction of the welding platform 305.

It should be noted that the telescopic rod 307 is composed of a sleeve bin and a moving rod, one end of the moving rod penetrates through and extends into the sleeve bin, a limiting block located inside the sleeve bin is fixedly connected to the outer side of the moving rod, a through hole matched with the moving rod is formed in one side of the sleeve bin, and the moving rod is prevented from being separated from the sleeve bin in the moving process by the limiting block.

When the spring 309 is compressed and the length of the telescopic rod 307 becomes shorter, damping is generated, and refers to the characteristic that the amplitude of any vibration system is gradually reduced in vibration due to external actions such as fluid resistance, friction and the like or the inherent reasons of the system.

Referring to fig. 3, in order to ensure the flatness of the surface of the ptfe sheet and improve the welding effect, the leveling mechanism 5 in this embodiment includes a control box 501 fixed on the lower surface of the worktable 1, an electric push rod 502 is fixed on the bottom wall of the inner cavity of the control box 501, a laminate 503 driven by the electric push rod 502 to move linearly up and down is fixed on the outer side of the output shaft of the electric push rod 502, a connecting rod 504 is fixed on the upper surface of the laminate 503, and a pressing plate 505 is fixed on the end of the connecting rod 504 away from the laminate 503.

Wherein, the upper surface of workstation 1 has been seted up and has been supplied connecting rod 504 male activity hole, activity hole and connecting rod 504 clearance fit, plywood 503 sliding connection in the inside of control box 501, the cuboid of control box 501 shape for inside cavity and upper surface disappearance.

It can be understood that the pressing plate 505 can flatten the tetrafluoro plate on the welding platform 305, so as to ensure the flatness of the tetrafluoro plate surface, and further improve the welding accuracy.

The working principle of the above embodiment is as follows:

(1) When the tetrafluoro sheet material needs to be welded, firstly, a worker places the tetrafluoro sheet material needing to be welded on the upper surface of the welding platform 305, after the tetrafluoro sheet material is placed on the welding platform 305 at a designated position, then the two motors 301 are driven, the output shafts of the motors 301 start to rotate, the gears 302 are driven to rotate, the gears 302 rotate to drive the racks 303 meshed on the outer sides of the gears 302 to start to move, the racks 303 slide on the outer sides of the limiting rods 304, the two racks 303 move towards the direction close to the central axis of the workbench 1 to drive the side plates 306, the telescopic rods 307, the springs 309 and the clamping plates 308 to move towards the same direction, the tetrafluoro sheet material is close to the tetrafluoro sheet material from the left side and the right side of the tetrafluoro sheet material, and when the two clamping plates 308 are in contact with the tetrafluoro sheet material, the tetrafluoro sheet material is fixed from the left side and the right side of the tetrafluoro sheet material.

(2) When the side plate 306, the expansion rods 307, the springs 309 and the clamping plate 308 move towards the direction close to the central axis of the workbench 1, when the clamping plate 308 is in contact with a tetrafluoro plate, the clamping plate 308 can receive force from the tetrafluoro plate, at the moment, the springs 309 can be compressed, the lengths of the two expansion rods 307 are shortened, and damping is generated, wherein the damping refers to the characteristic that the vibration amplitude of any vibration system is gradually reduced due to external actions such as fluid resistance, friction force and the like or the inherent reasons of the system, due to the elastic force of the springs 309 and the tension generated during rebounding, the tetrafluoro plate cannot be clamped due to overlarge clamping force, a good buffering effect is achieved, then a worker drives the electric push rod 502 in the control box 501 to shorten the output shaft of the electric push rod 502, when the output shaft of the electric push rod 502 is shortened, the laminated plate 503 can slide downwards to drive the connecting rod 504 and the pressing plate 505 to simultaneously move downwards, and when the pressing plate 505 is in contact with the tetrafluoro plate, the electric push rod 502 is closed, the flatness of the tetrafluoro plate surface is ensured, and the welding accuracy is further improved.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a centre gripping frock is assisted in tetrafluoro sheet material welding, includes workstation (1), its characterized in that: a box body (2) is vertically fixed on the upper surface of the workbench (1), a fixing mechanism (3) is arranged on the back wall of an inner cavity of the box body (2), a welding assembly (4) is arranged on the top wall of the inner cavity of the box body (2), and a leveling mechanism (5) is arranged on the lower surface of the workbench (1);

fixed establishment (3) include centre gripping subassembly and buffer unit, the centre gripping subassembly is including fixing two motors (301) at box (2) inner chamber back wall, the outside of motor (301) output shaft is fixed with is being driven gear (302) of doing the circular motion by it, the outside meshing of gear (302) has rack (303), the left and right sides wall of box (2) inner chamber all is fixed with gag lever post (304), the last fixed surface of workstation (1) has welded platform (305).

2. The tetrafluoro sheet material welding auxiliary clamping tool according to claim 1, is characterized in that: the rack (303) is connected to the outer side of the limiting rod (304) in a sliding mode, and the box body (2) is in a cuboid shape which is hollow inside and is missing on the front surface and the lower surface.

3. The tetrafluoro sheet material welding auxiliary clamping tool according to claim 1, is characterized in that: the buffer assembly comprises side plates (306) fixed on the opposite sides of the two racks (303) respectively, telescopic rods (307) are fixed on the opposite sides of the side plates (306), a clamping plate (308) is fixed at one end, far away from the side plates (306), of each telescopic rod (307), and springs (309) with two sides fixed with the side plates (306) and the clamping plate (308) respectively are movably sleeved on the telescopic rods (307).

4. The tetrafluoro sheet welding auxiliary clamping tool according to claim 3, characterized in that: rubber gaskets are fixed on the opposite sides of the two clamping plates (308), and the welding assembly (4) faces the direction of the welding platform (305).

5. The tetrafluoro sheet material welding auxiliary clamping tool according to claim 1, is characterized in that: the leveling mechanism (5) comprises a control box (501) fixed on the lower surface of the workbench (1), an electric push rod (502) is fixed on the bottom wall of an inner cavity of the control box (501), a laminated plate (503) driven by an output shaft of the electric push rod (502) to do vertical linear motion is fixed on the outer side of the output shaft of the electric push rod, a connecting rod (504) is fixed on the upper surface of the laminated plate (503), and a pressing plate (505) is fixed at one end, far away from the laminated plate (503), of the connecting rod (504).

6. The tetrafluoro sheet material welding auxiliary clamping tool according to claim 5, is characterized in that: the upper surface of the workbench (1) is provided with a movable hole for inserting the connecting rod (504), and the movable hole is in clearance fit with the connecting rod (504).

7. The tetrafluoro plate welding auxiliary clamping tool according to claim 5, is characterized in that: the laminate (503) is connected to the inside of the control box (501) in a sliding mode, and the control box (501) is in a cuboid shape which is hollow inside and is absent in the upper surface.