CN216912468U

CN216912468U - Guide shaft of step projection welding machine

Info

Publication number: CN216912468U
Application number: CN202220166954.XU
Authority: CN
Inventors: 赵乔
Original assignee: Suzhou Gaokai Precision Machinery Co ltd
Current assignee: Suzhou Gaokai Precision Machinery Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-07-08
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a guide shaft of a stepped projection welding machine, which relates to the field of projection welding machines and comprises a supporting table, wherein the upper surface of the supporting table is provided with a limiting groove, a limiting ring is connected in the limiting groove in a sliding manner, the top of the limiting ring is fixedly connected with a conical wheel ring, a plurality of guide assemblies are arranged in the middle of the upper surface of the supporting table, each guide assembly comprises a rotating shaft, the bottom end of each rotating shaft is fixedly connected to the upper surface of the supporting table, a transmission gear is rotatably connected above the rotating shaft, the top end of each rotating shaft is fixedly connected with an anti-falling piece, the right side of the top of the transmission gear is fixedly connected with a supporting rod, the top of the right side of the supporting rod is fixedly connected with a guide rod, and the transmission gear is meshed with the inner ring of the conical wheel ring. According to the utility model, by arranging the guide assembly, the conical wheel ring and the conical gear, the nut structure is guided by the cooperation of the guide rods, the hole diameters which can be guided by the guide rods can be adjusted, and the nuts do not shake when guiding nuts of different batches.

Description

Guide shaft of step type projection welding machine

Technical Field

The utility model relates to the field of projection welding machines, in particular to a guide shaft of a stepped projection welding machine.

Background

The projection welding machine adopts pneumatic pressurization and bearing guide. The welding program is automatically controlled by a microcomputer control box. The method has the characteristics of accurate control of welding points and good electrode following property, and is widely applied to multi-point projection welding and spot welding of mechanical parts such as automobile parts and the like. The projection welding has many kinds, and besides the projection welding of the plate, the projection welding of screw caps and screw parts, the cross projection welding of wires, the projection welding of pipes, the t-shaped projection welding of plates and the like meet the requirements of users for welding workpieces, and different electrodes and dies can be selected and matched. The method is widely applied to industrial departments of automobile manufacturing, tractor manufacturing, motorcycle manufacturing and the like. During actual production, projection welding is performed on a nut and a similar porous structure, so that the nut needs to be guided by a guide shaft, but the shaft diameter of the existing guide shaft is difficult to adjust, the guide shaft needs to be replaced and needs to be repositioned, the process is complex, and the production efficiency can be affected. In order to solve the above problems, it is necessary to provide a guide shaft for a step type projection welding machine.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the guide shaft of the stepped projection welding machine is provided, and the technical scheme solves the problems that the shaft diameter of the existing guide shaft provided in the background technology is difficult to adjust, the guide shaft is replaced, the guide shaft needs to be repositioned, the process is complex, and the production efficiency is influenced.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:

the utility model provides a step projection welder guiding axle, which comprises a supporting table, the spacing groove has been seted up to a supporting bench upper surface, sliding connection has the spacing ring in the spacing groove, spacing ring top fixedly connected with cone pulley ring, install a plurality of direction subassembly in the middle of the supporting bench upper surface, the direction subassembly includes the axis of rotation, axis of rotation bottom fixed connection is at a supporting bench upper surface, the axis of rotation top is rotated and is connected with drive gear, axis of rotation top fixedly connected with anticreep piece, drive gear top right side fixedly connected with bracing piece, bracing piece right side top fixedly connected with guide bar, drive gear meshes with the cone pulley ring inner ring mutually.

Preferably, the right side of the upper surface of the supporting table is fixedly connected with a vertical plate, the middle of the side surface of the vertical plate is rotatably connected with a rotating rod, the left end of the rotating rod is fixedly connected with a conical gear, and the conical gear is meshed with an outer ring of a conical wheel ring.

Preferably, dwang right-hand member sliding connection has the inserted bar, and a plurality of through-hole has been seted up on the riser right side, and the inserted bar left end sets up in the through-hole, and the inserted bar right-hand member has cup jointed expanding spring, and expanding spring left end fixed connection is on the dwang right side, and expanding spring right-hand member fixed connection is at the inserted bar right-hand member.

Preferably, a lower electrode jack is formed in the middle of the supporting table, a lower electrode sleeve is fixedly connected to the lower surface of the supporting table, and the lower electrode jack extends downwards and penetrates through the whole lower electrode sleeve.

Preferably, the shape of the inner part of the limiting groove is matched with the shape of the bottom end of the limiting ring.

Preferably, gear teeth are arranged on the inner side and the outer side of the conical ring.

Preferably, a plurality of the guide assemblies are arranged at equal intervals along the inner ring of the conical wheel ring.

Compared with the prior art, the utility model provides a guide shaft of a step type projection welding machine, which has the following beneficial effects:

1. by arranging the guide assembly, the conical wheel ring and the conical gear, the nut structure is guided by the cooperation of the guide rods, and the apertures which can be guided by the guide rods can be adjusted, so that the nuts can not shake when the nuts are guided by the guide rods for different batches of nuts, the adjustment is very simple and convenient, and meanwhile, the guide rods are very quick, the problems of guide shaft replacement and repositioning are avoided, and the efficiency of projection welding of different nuts can be improved;

2. through setting up expanding spring, inserted bar and through-hole, can be after adjusting the aperture that a plurality of guide bars can lead, the position of fixed direction subassembly for the displacement can not take place for the direction subassembly, leads to the nut can take place to rock on the guide bar, influences the precision of projection welding.

Drawings

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

FIG. 2 is a schematic view of a guide assembly according to the present invention;

FIG. 3 is a schematic view of a portion of the enlarged structure at A in FIG. 1;

FIG. 4 is a schematic view of a cone-shaped wheel ring structure of the present invention;

FIG. 5 is a schematic view of a supporting table according to the present invention.

The reference numbers in the figures are:

101. a conical wheel ring; 102. a limiting ring; 103. a support table; 104. a lower electrode sleeve; 105. a bevel gear; 106. a vertical plate; 107. rotating the rod; 108. a tension spring; 109. inserting a rod; 110. a lower electrode jack; 111. a limiting groove; 112. a through hole;

200. a guide assembly; 201. an anti-drop sheet; 202. a transmission gear; 203. a rotating shaft; 204. a guide bar; 205. a support rod.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-5, the guide shaft of the step projection welder comprises a support table 103, wherein a limit groove 111 is formed in the upper surface of the support table 103, a limit ring 102 is connected in the limit groove 111 in a sliding manner, a conical wheel ring 101 is fixedly connected to the top of the limit ring 102, a plurality of guide assemblies 200 are mounted in the middle of the upper surface of the support table 103, each guide assembly 200 comprises a rotating shaft 203, the bottom end of each rotating shaft 203 is fixedly connected to the upper surface of the support table 103, a transmission gear 202 is rotatably connected to the upper portion of each rotating shaft 203, an anti-falling piece 201 is fixedly connected to the top end of each rotating shaft 203, a support rod 205 is fixedly connected to the right side of the top of each transmission gear 202, a guide rod 204 is fixedly connected to the top of the right side of each support rod 205, and each transmission gear 202 is meshed with an inner ring of the conical wheel ring 101;

referring to fig. 1, 2 and 3, when in use, a nut or the like is sleeved in the area formed by the guide rod 204, the end of the support rod 205 supports the nut or the like, when the nut or the like is different in batch and the aperture changes, the position of the guide rod 204 needs to be adjusted, so that when the guide rod 204 is sleeved by the nut or the like, the nut or the like does not shake, the insertion rod 109 is pulled out from the through hole 112, the extension spring 108 is stretched, the rotating rod 107 is screwed to drive the bevel gear 105 to rotate, and further drive the bevel wheel ring 101 to rotate, the limit ring 102 at the bottom of the bevel wheel ring 101 is clamped in the limit groove 111, so that the bevel wheel ring 101 rotates with the center of the support platform 103 as the rotation center, the bevel wheel ring 101 rotates to drive the transmission gear 202 to rotate, and further cause the plurality of guide rods 204 to move towards the center of the support platform 103 at the same time, or move away from the center of the support table 103, so the aperture of the nut guided by the guide rods 204 also changes, so that the nut does not shake when being sleeved outside the guide rods 204, wherein one end outside the support rod 205 supports the nut;

referring to fig. 1 and 3, after the position of the guide rod 204 is adjusted, the insertion rod 109 is inserted back into the through hole 112, the expansion spring 108 returns to a normal state, the rotation rod 107 is locked, the bevel gear 105 is fixed, the bevel ring 101 is fixed, the guide assembly 200 is fixed, and the adjustment and fixation are completed;

referring to fig. 1 and 5, the present device is mounted on the lower electrode of the projection welder through the lower electrode insertion hole 110.

Specifically, the right side of the upper surface of the supporting platform 103 is fixedly connected with an upright plate 106, the middle of the side surface of the upright plate 106 is rotatably connected with a rotating rod 107, the left end of the rotating rod 107 is fixedly connected with a bevel gear 105, and the bevel gear 105 is meshed with the outer ring of the bevel gear ring 101.

Dwang 107 right-hand member sliding connection has inserted bar 109, and a plurality of through-hole 112 has been seted up on riser 106 right side, and the left end setting of inserted bar 109 is in through-hole 112, and the inserted bar 109 right-hand member has cup jointed expanding spring 108, and expanding spring 108 left end fixed connection is on the dwang 107 right side, and expanding spring 108 right-hand member fixed connection is at the inserted bar 109 right-hand member.

The middle part of the supporting platform 103 is provided with a lower electrode jack 110, the lower surface of the supporting platform 103 is fixedly connected with a lower electrode sleeve 104, and the lower electrode jack 110 extends downwards and penetrates through the whole lower electrode sleeve 104.

The inner shape of the limiting groove 111 is matched with the shape of the bottom end of the limiting ring 102.

The inside and the outside of the cone-shaped wheel ring 101 are both provided with gear teeth.

A plurality of the guide assemblies 200 are arranged at equal intervals along the inner ring of the cone-shaped wheel ring 101.

The working principle and the using process of the utility model are as follows: by arranging the guide assembly 200, the conical ring 101 and the conical gear 105, the plurality of guide rods 204 cooperate to guide the nut structure, so that the apertures which can be guided by the plurality of guide rods 204 can be adjusted, the plurality of guide rods 204 can guide the nuts in different batches, the nuts cannot shake when being guided, the adjustment is very simple and convenient, meanwhile, the guide shafts are very fast, the problems of replacement and repositioning are avoided, and the efficiency of projection welding of different nuts can be improved; through setting up expanding spring 108, inserted bar 109 and through-hole 112, can adjust the back to the aperture that a plurality of guide bars 204 can lead, the position of fixed direction subassembly 200 for direction subassembly 200 can not take place the displacement, leads to the nut to take place to rock on guide bar 204, influences the precision of projection welding.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A guide shaft of a step type projection welding machine is characterized by comprising a support table (103), spacing groove (111) have been seted up to brace table (103) upper surface, sliding connection has spacing ring (102) in spacing groove (111), spacing ring (102) top fixedly connected with cone pulley ring (101), install a plurality of direction subassembly (200) in the middle of brace table (103) upper surface, direction subassembly (200) are including axis of rotation (203), axis of rotation (203) bottom fixed connection is at brace table (103) upper surface, axis of rotation (203) top is rotated and is connected with drive gear (202), axis of rotation (203) top fixedly connected with anticreep piece (201), drive gear (202) top right side fixedly connected with bracing piece (205), bracing piece (205) right side top fixedly connected with guide bar (204), drive gear (202) mesh with cone pulley ring (101) inner ring mutually.

2. The guide shaft of the projection welding machine, according to claim 1, characterized in that: the right side of the upper surface of the supporting platform (103) is fixedly connected with a vertical plate (106), the middle of the side surface of the vertical plate (106) is rotatably connected with a rotating rod (107), the left end of the rotating rod (107) is fixedly connected with a conical gear (105), and the conical gear (105) is meshed with an outer ring of a conical gear ring (101).

3. The guide shaft of the projection welding machine, as recited in claim 2, wherein: dwang (107) right-hand member sliding connection has inserted bar (109), and a plurality of through-hole (112) have been seted up on riser (106) right side, and inserted bar (109) left end sets up in through-hole (112), and inserted bar (109) right-hand member has cup jointed expanding spring (108), and expanding spring (108) left end fixed connection is on dwang (107) right side, and expanding spring (108) right-hand member fixed connection is at inserted bar (109) right-hand member.

4. The guide shaft of the step projection welder according to claim 1, characterized in that: lower electrode jack (110) have been seted up at brace table (103) middle part, and brace table (103) lower surface fixed connection has lower electrode cover (104), and lower electrode jack (110) downwardly extending runs through lower electrode cover (104) wholly.

5. The guide shaft of the projection welding machine, according to claim 1, characterized in that: the inner shape of the limiting groove (111) is matched with the shape of the bottom end of the limiting ring (102).

6. The guide shaft of the projection welding machine, according to claim 1, characterized in that: the inner side and the outer side of the conical ring (101) are both provided with gear teeth.

7. The guide shaft of the step projection welder according to claim 1, characterized in that: a plurality of the guide assemblies (200) are arranged at equal intervals along the inner ring of the conical wheel ring (101).