CN216325775U

CN216325775U - Workpiece clamp of projection welding machine

Info

Publication number: CN216325775U
Application number: CN202122889140.7U
Authority: CN
Inventors: 董志华; 雷洋洋
Original assignee: Fuzhou Huahang Machinery Mould Co ltd
Current assignee: Fuzhou Huahang Machinery Mould Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-19
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to the technical field of projection welding machine welding, and discloses a workpiece clamp of a projection welding machine. This work piece holder of projection welding machine, it makes first bevel gear drive second bevel gear meshing rotation to drive the pivot through servo motor, second bevel gear drives the threaded rod synchronous rotation, make the screw thread piece drive movable plate or back of the body removal in opposite directions, thereby the distance between two anchor clamps about having adjusted, conveniently fix the work piece of different length, through corotation or reversal worm, the worm drives worm wheel meshing rotation, the worm wheel drives the round bar rotation, thereby make the gear revolve and drive L shape rack plate and reciprocate, and then the distance between grip block and the fixed plate has been adjusted, conveniently fix the work piece of different thickness, projection welding machine work piece holder's flexibility has been strengthened, thereby more convenient processing production is carried out to the work piece, the welding quality and the efficiency of projection welding machine have been improved.

Description

Workpiece clamp of projection welding machine

Technical Field

The utility model relates to the technical field of projection welding, in particular to a workpiece clamp of a projection welding machine.

Background

The projection welding machine adopts pneumatic pressurization and bearing guide, and the welding procedure is automatically controlled by a microcomputer control box, so that the projection welding machine has the characteristics of accurate welding spot control and good electrode followability, and is widely applied to multipoint projection welding and spot welding of mechanical parts such as a gas distribution and the like.

The workpiece clamp on the existing projection welding machine has the defects in the use process, for example, workpieces with different sizes cannot be clamped stably, the function is single, the positioning precision is low, the welding quality is influenced, the welding efficiency is lower, the practicability is poor, and the workpiece clamp of the projection welding machine is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a workpiece clamp of a projection welding machine, which has the advantage of clamping workpieces with different sizes, and solves the problems that the workpiece clamp on the prior projection welding machine has defects in the use process, such as the workpiece clamp cannot firmly clamp the workpieces with different sizes, has single function, causes low positioning precision, influences the welding quality, causes lower welding efficiency and has poorer practicability.

(II) technical scheme

In order to achieve the purpose of clamping workpieces with different sizes, the utility model provides the following technical scheme: the utility model provides a projection welding machine's work piece holder, includes fixing base, regulating box and fixed plate, the interior diapire of fixing base is provided with one end and its interior roof swing joint's rotating assembly, the inner wall left and right sides of fixing base all is provided with the rotating assembly who is located the left and right sides of rotating assembly and meshes mutually with rotating assembly, rotating assembly's top one end extends to the top of fixing base, the quantity of regulating box is two and sets up respectively at two rotating assembly's top, the quantity of fixed plate is two and sets up respectively at the opposite side of two regulating boxes, be provided with one end between the inner wall front and back both sides of regulating box and extend to its two regulating box looks offside's centre gripping subassembly, the one end of centre gripping subassembly extends to the top of regulating box.

Preferably, rotating assembly includes servo motor, the interior diapire fixed mounting of fixing base has servo motor, servo motor's output shaft department fixed mounting has one end and the interior roof of fixing base to rotate the pivot of being connected, the outside fixed mounting of pivot has first conical gear.

Preferably, the runner assembly includes the limiting plate, the interior diapire fixed mounting of fixing base has quantity to be two and is located the limiting plate of first conical gear left and right sides respectively, the inner wall left and right sides of fixing base all rotates and installs the threaded rod that one end runs through and extends to two limiting plate opposite sides, two the equal fixed mounting in opposite side of threaded rod has the second conical gear with first conical gear engaged with, two the equal fixed mounting in opposite sides of limiting plate has the slide bar that is located the inner wall fixed connection of threaded rod below and one end and fixing base, the outside screw thread of threaded rod installs bottom one end and slide bar sliding connection's thread block, the top fixed mounting of thread block has the movable plate that one end extends to the fixing base top, regulating box fixed mounting is at the top of movable plate.

Preferably, the centre gripping subassembly includes the round bar, rotate between the both sides around the inner wall of regulating box and install the round bar, the outside fixed mounting of round bar has the worm wheel, the top movable mounting of regulating box has one end to extend to its inside and rather than the interior diapire rotation worm of being connected, two the worm is located two worm wheels respectively mutually opposite side and meshes with the worm wheel mutually, the outside fixed mounting of round bar has the gear that is located the worm wheel front side, two equal slidable mounting has the L shape rack plate who meshes respectively with two gears on the inner wall of regulating box opposite side, two the opposite side of L shape rack plate all extends to the opposite side of two regulating boxes, two the equal fixed mounting in opposite side of L shape rack plate has the grip block that is located the fixed plate top.

Preferably, a sliding block with one end of the top fixedly connected with the thread block is slidably mounted outside the sliding rod.

Preferably, the fixing seat is hollow, and a rectangular through hole matched with the moving track of the moving plate is formed in the inner top wall of the fixing seat.

(III) advantageous effects

Compared with the prior art, the utility model provides a workpiece clamp of a projection welding machine, which has the following beneficial effects:

this work piece holder of projection welding machine, it makes first bevel gear drive second bevel gear meshing rotation to drive the pivot through servo motor, second bevel gear drives the threaded rod synchronous rotation, make the screw thread piece drive movable plate or back of the body removal in opposite directions, thereby the distance between two anchor clamps about having adjusted, conveniently fix the work piece of different length, through corotation or reversal worm, the worm drives worm wheel meshing rotation, the worm wheel drives the round bar rotation, thereby make the gear revolve and drive L shape rack plate and reciprocate, and then the distance between grip block and the fixed plate has been adjusted, conveniently fix the work piece of different thickness, projection welding machine work piece holder's flexibility has been strengthened, thereby more convenient processing production is carried out to the work piece, the welding quality and the efficiency of projection welding machine have been improved.

Drawings

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

FIG. 2 is a schematic top view of a portion of the worm gear and worm attachment configuration of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 1.

In the figure: the device comprises a fixed seat 1, a regulating box 2, a fixed plate 3, a rotating assembly 4, a servo motor 41, a rotating shaft 42, a first bevel gear 43, a rotating assembly 5, a second bevel gear 51, a limiting plate 52, a sliding rod 53, a threaded rod 54, a threaded block 55, a moving plate 56, a clamping assembly 6, a rack plate 61L, a round rod 62, a gear 63, a worm gear 64, a worm 65 and a clamping plate 66.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a workpiece clamp of a projection welding machine comprises a fixed seat 1, an adjusting box 2 and a fixed plate 3, wherein a rotating assembly 4 with one end movably connected with an inner top wall is fixedly arranged on the inner bottom wall of the fixed seat 1.

Rotating assembly 4 includes servo motor 41, the interior diapire fixed mounting of fixing base 1 has servo motor 41, servo motor 41's output shaft department fixed mounting has one end and the interior roof of fixing base 1 to rotate the pivot 42 of being connected, the outside fixed mounting of pivot 42 has first bevel gear 43, the inner wall left and right sides of fixing base 1 all rotates and installs the rotating assembly 5 that is located rotating assembly 4's the left and right sides and meshes mutually with rotating assembly 4, rotating assembly 5's top one end extends to fixing base 1's top, regulating box 2's quantity is two and difference fixed mounting is at two rotating assembly 5's top.

The rotating assembly 5 comprises limit plates 52, two limit plates 52 which are respectively positioned at the left side and the right side of the first bevel gear 43 are fixedly arranged on the inner bottom wall of the fixed seat 1, threaded rods 54 with one ends penetrating and extending to the opposite sides of the two limit plates 52 are rotatably arranged at the left side and the right side of the inner wall of the fixed seat 1, second bevel gears 51 meshed with the first bevel gears 43 are fixedly arranged at the opposite sides of the two threaded rods 54, slide rods 53 which are positioned below the threaded rods 54 and with one ends fixedly connected with the inner wall of the fixed seat 1 are fixedly arranged at the opposite sides of the two limit plates 52, a thread block 55 with one bottom end slidably connected with the slide rods 53 is arranged on the outer thread of the threaded rods 54, a slide block with one top end fixedly connected with the thread block 55 is arranged on the outer portion of the slide rods 53 in a sliding manner, and a moving plate 56 with one end extending to the top of the fixed seat 1 is fixedly arranged on the top of the thread block 55, the inside of fixing base 1 is cavity and its interior roof seted up with the rectangular through-hole of moving plate 56 moving trajectory looks adaptation, adjusting box 2 fixed mounting is at the top of moving plate 56, the quantity of fixed plate 3 be two and respectively fixed mounting at the opposite side of two adjusting boxes 2, rotate between the inner wall front and back both sides of adjusting box 2 and install the centre gripping subassembly 6 that one end extends to its two adjusting box 2 opposite sides, the one end of centre gripping subassembly 6 extends to the top of adjusting box 2.

Clamping assembly 6 includes round bar 62, it installs round bar 62 to rotate between the both sides around the inner wall of regulating box 2, the outside fixed mounting of round bar 62 has worm wheel 64, the top movable mounting of regulating box 2 has one end to extend to its inside and rather than the interior diapire of rotation worm 65 of being connected, two worms 65 are located two worm wheel 64 back of the body side respectively and mesh mutually with worm wheel 64, the outside fixed mounting of round bar 62 has the gear 63 that is located worm wheel 64 front side, equal slidable mounting has the L-shaped rack plate 61 with two gear 63 meshes mutually respectively on the inner wall of two regulating box 2 opposite sides, the opposite side of two L-shaped rack plates 61 all extends to the opposite side of two regulating box 2, the equal fixed mounting in opposite side of two L-shaped rack plates 61 has the grip block 66 that is located fixed plate 3 top.

It makes first bevel gear 43 drive second bevel gear 51 meshing rotation to drive pivot 42 through servo motor 41 and rotate, second bevel gear 51 drives threaded rod 54 synchronous rotation, make thread piece 55 drive movable plate 56 move towards each other or back-to-back, thereby the distance between two anchor clamps about having adjusted, conveniently fix the work piece of different length, through corotation or reversal worm 65, worm 65 drives worm wheel 64 meshing rotation, worm wheel 64 drives round bar 62 rotatory, thereby make gear 63 rotatory and drive L shape rack plate 61 and reciprocate, and then the distance between grip block 66 and fixed plate 3 has been adjusted, conveniently fix the work piece of different thickness, the flexibility of projection welding machine work piece holder has been strengthened, thereby more convenient processing production is carried out to the work piece, the welding quality and the efficiency of projection welding machine have been improved.

In summary, in the workpiece fixture of the projection welding machine, the servo motor 41 drives the rotating shaft 42 to rotate, so that the first bevel gear 43 drives the second bevel gear 51 to rotate in an engaged manner, the second bevel gear 51 drives the threaded rod 54 to rotate synchronously, so that the threaded block 55 drives the movable plate 56 to move in opposite directions or in opposite directions, thereby adjusting the distance between the left clamp and the right clamp, facilitating the fixing of workpieces with different lengths, the worm 65 drives the worm wheel 64 to rotate in an engaged manner, the worm wheel 64 drives the round rod 62 to rotate, thereby causing the gear 63 to rotate and driving the L-shaped rack plate 61 to move up and down, further adjusting the distance between the clamping plate 66 and the fixed plate 3, facilitating the fixing of workpieces with different thicknesses, enhancing the flexibility of the workpiece fixture of the projection welding machine, thereby facilitating the processing and production of the workpieces more conveniently, and improving the welding quality and efficiency of the projection welding machine, the problem of work piece holder on the present projection welder have the weak point in the use, for example can not stabilize the centre gripping to the work piece of equidimension, the function is single, leads to positioning accuracy low, influences welded quality for welding efficiency is lower, and the practicality is relatively poor is solved.

It is noted that, herein, relational terms such as first and second, and the like may be 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 phrase "comprising an … …" does not exclude the presence of other identical 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a projection welding machine's work piece holder, includes fixing base (1), regulating box (2) and fixed plate (3), its characterized in that: the utility model discloses a fixing base, including fixing base (1), the inner bottom wall of fixing base (1) is provided with one end and its interior roof swing joint's rotating assembly (4), the inner wall left and right sides of fixing base (1) all is provided with rotating assembly (5) that are located the left and right sides both sides of rotating assembly (4) and mesh mutually with rotating assembly (4), the top one end of rotating assembly (5) extends to the top of fixing base (1), the quantity of regulating box (2) is two and sets up the top at two rotating assembly (5) respectively, the quantity of fixed plate (3) is two and sets up the opposite side at two regulating box (2) respectively, be provided with clamping component (6) that one end extends to its two regulating box (2) opposite sides around the inner wall of regulating box (2), the one end of clamping component (6) extends to the top of regulating box (2).

2. The work holder for a projection welder of claim 1, characterized in that: rotating assembly (4) include servo motor (41), the interior diapire fixed mounting of fixing base (1) has servo motor (41), the output shaft department fixed mounting of servo motor (41) has pivot (42) that one end and the interior roof of fixing base (1) rotate to be connected, the outside fixed mounting of pivot (42) has first conical gear (43).

3. The work holder for a projection welder of claim 2, characterized in that: the rotating assembly (5) comprises limiting plates (52), the inner bottom wall of the fixing seat (1) is fixedly provided with two limiting plates (52) which are respectively positioned at the left side and the right side of the first bevel gear (43), the inner wall of the fixing seat (1) is respectively rotatably provided with threaded rods (54) with one ends penetrating through and extending to the opposite sides of the two limiting plates (52), the opposite sides of the threaded rods (54) are respectively fixedly provided with a second bevel gear (51) meshed with the first bevel gear (43), the opposite sides of the two limiting plates (52) are respectively fixedly provided with a sliding rod (53) which is positioned below the threaded rods (54) and is fixedly connected with the inner wall of the fixing seat (1), the external threads of the threaded rods (54) are provided with thread blocks (55) which are slidably connected with the bottom end and the sliding rod (53), the top of the thread blocks (55) is fixedly provided with a moving plate (56) with one end extending to the top of the fixing seat (1), the adjusting box (2) is fixedly arranged at the top of the moving plate (56).

4. The work holder for a projection welder of claim 1, characterized in that: centre gripping subassembly (6) are including round bar (62), rotate between the inner wall front and back both sides of regulating box (2) and install round bar (62), the outside fixed mounting of round bar (62) has worm wheel (64), the top movable mounting of regulating box (2) has one end to extend to its inside and rather than interior diapire rotation worm (65) of being connected, two worm (65) are located two worm wheel (64) respectively mutually the side of the back of the body and mesh with worm wheel (64), the outside fixed mounting of round bar (62) has gear (63) that are located worm wheel (64) front side, two equal slidable mounting has L shape rack plate (61) with two gear (63) meshes mutually respectively on the inner wall of regulating box (2) opposite side, two the opposite side of L shape rack plate (61) all extends to the opposite side of two regulating box (2), two the equal fixed mounting in opposite side of L shape rack plate (61) has the grip block(s) (2) (two) that are located fixed plate (3) top 66).

5. The work holder for a projection welder of claim 3, characterized in that: and a sliding block with one end at the top fixedly connected with the thread block (55) is arranged outside the sliding rod (53) in a sliding manner.

6. The work holder for a projection welder of claim 3, characterized in that: the inside of the fixed seat (1) is hollow, and a rectangular through hole matched with the moving track of the moving plate (56) is formed in the inner top wall of the fixed seat.