CN210676434U

CN210676434U - Pretreatment equipment for rim weld joint

Info

Publication number: CN210676434U
Application number: CN201921638739.XU
Authority: CN
Inventors: 方胜良; 吴劲松; 楼昌荣; 楼昌林
Original assignee: Hangzhou Jincheng Wheel Manufacturing Co Ltd
Current assignee: Hangzhou Jincheng Wheel Manufacturing Co Ltd
Priority date: 2019-09-28
Filing date: 2019-09-28
Publication date: 2020-06-05
Anticipated expiration: 2029-09-28

Abstract

The utility model discloses a preliminary treatment equipment of rim welding seam belongs to the technical field of rim processing equipment, has solved among the prior art direct grinding welding block of welding back, the big problem of work load. The wheel rim fixing device comprises a frame, a fixing part for fixing a wheel rim, an outer treatment part and an inner treatment part; the fixing part comprises a supporting block horizontally fixed on the rack and used for supporting the rim, a fixing block connected to the rack in a sliding mode, and a lifting cylinder for driving the fixing block to be close to or far away from the supporting block, the supporting block is located on the inner side of the rim, and the fixing block is located on the outer side of the rim; the external treatment part comprises an external treatment block movably connected with the rack and an external driving part which is fixed on the rack and drives the external treatment block to be close to and far away from the supporting block; the inner treatment part comprises an inner treatment block abutted with a welding seam of the inner wall surface of the rim, and a second motor for driving the inner treatment block to rotate, wherein the cross section of the inner treatment block is circular. The utility model discloses flatten the welding seam and carry out the grinding of solder cake again, reduce solder cake excision work load.

Description

Pretreatment equipment for rim weld joint

Technical Field

The utility model relates to a technical field of rim processing equipment, in particular to preprocessing equipment of rim welding seam.

Background

The rim is commonly called a rim, is a part for installing and supporting a tire on the periphery of a wheel, and forms the wheel with a spoke. The rim and spokes may be integral, permanently attached, or detachable.

The rim mainly includes the mainboard and is fixed in the annular plate that the mainboard inner wall extended towards the mainboard, and the cross section of mainboard is ring shape, and mainboard one end has the chimb for extending integrated into one piece, and the cross section of chimb is L shape and one end and mainboard vertical connection. The production process of the main board comprises plate shearing, circle coiling, mould blank pressing, butt welding, welding line processing and stamping flaring in sequence; in order to ensure the uniformity of the subsequent painting, the solder bump needs to be controlled at a certain height, and the redundant part is completely cut off by a milling cutter or a file, so that the solder bump needs to be cut off in the welding seam processing procedure.

In the prior art, the welding block is directly cut after welding, the protruding part of the welding block is many, the part needing to be cut is also many, the workload is large, and the material waste is large; the processing technology is changed, the welding blocks are extruded firstly, the protruding height of the welding blocks is reduced, then the welding blocks are cut off by the milling cutter, and compared with the prior art, the cutting amount of the welding blocks is reduced, so that the workload is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming among the prior art direct grinding welding block after the welding, work load is big not enough, and provides a preliminary treatment equipment of rim welding seam, has reached the effect that reduces welding block excision work load.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a pretreatment device for a rim weld seam comprises a frame, wherein a fixing part for fixing the rim, an outer treatment part for flattening the weld seam on the outer wall surface of the rim and an inner treatment part for flattening the weld seam on the inner wall surface of the rim are arranged on the frame; the fixing part comprises a supporting block horizontally fixed on the rack and used for supporting the rim, a fixing block connected to the rack in a sliding mode, and a lifting cylinder for driving the fixing block to be close to or far away from the supporting block, the supporting block is located on the inner side of the rim, and the fixing block is located on the outer side of the rim; the external treatment part comprises an external treatment block movably connected with the rack and an external driving part which is fixed on the rack and drives the external treatment block to be close to and far away from the supporting block; the inner treatment part comprises an inner treatment block abutted with a welding seam of the inner wall surface of the rim, and a second motor for driving the inner treatment block to rotate, wherein the cross section of the inner treatment block is circular.

By adopting the technical scheme, the temperature of the welding seam is not reduced very quickly after welding is finished. Sleeving the welded rim outside the supporting block, supporting the rim by using the supporting block, starting the lifting cylinder, moving the fixed block to one side close to the supporting block, and abutting the rim on the supporting block to fix the supporting block; and starting the second motor and the external driving part, wherein the internal treatment block is a circular plate abutted against the rim, when the second motor drives the internal treatment block to rotate, the internal treatment block rotates, extends and flattens the welding block at the welding seam, and the upper driving part drives the external treatment block to be close to the rim to extrude the welding seam. Through flattening treatment of the inside and the outside of the welding seam, the height of the welding blocks at the welding seam is reduced, so that the quantity of the welding blocks needing to be cut is reduced, and the workload is reduced.

More preferably: the supporting blocks are arranged in two numbers and are respectively positioned on two sides of the inner treatment block, and the surfaces of the supporting blocks, which are abutted against the rim, are curved surfaces matched with the inner wall surface of the rim.

Adopt above-mentioned technical scheme, carry out the butt simultaneously to two positions of rim, and can not influence the setting position of lower processing portion, on the other hand, the setting up of curved surface makes the butt area increase of supporting shoe and rim, improves the supporting effect of supporting shoe to the rim, and simultaneously, curved surface and rim laminate completely, reduce the damage that the supporting shoe probably caused rim.

More preferably: the fixed block includes the horizontal piece of being connected with lift cylinder, vertically is fixed in two vertical pieces at horizontal piece both ends, and a vertical piece corresponds a supporting shoe, and the butt department of supporting shoe and rim and the butt department that corresponds vertical piece and rim are the same position.

By adopting the technical scheme, the vertical block and the supporting block are correspondingly arranged, and the rim is accurately fixed on the supporting block by the vertical block, so that the fixing effect of the fixing block and the supporting block on the rim is improved; and the vertical block and the supporting block apply force at the same point of the rim, so that the rim is not easy to damage.

More preferably: the end face of the vertical block abutted to the rim is a curved surface with an opening facing the supporting block, and is matched with the outer curved surface of the rim in shape.

By adopting the technical scheme, the abutting area of the vertical block and the rim is increased, the fixing effect of the vertical block on the rim is improved, and meanwhile, the damage to the rim possibly caused by the vertical block is reduced.

More preferably: the support block is far away from the terminal surface of frame on threaded connection have spacing piece, spacing piece one end extends outside the rim.

By adopting the technical scheme, between the installation rims, one end of the limiting piece is positioned between the two supporting blocks, after the supporting blocks are sleeved with the rims, the limiting piece is rotated, the limiting piece is abutted to the end face, far away from the rack, of the rims, the limiting of the rims is realized, and the possibility that the rims slide on the supporting blocks and the lower processing block is reduced.

More preferably: the outer driving part is a first motor which is perpendicular to the moving direction of the fixed block, the cross section of the outer processing block is in a fan shape with an angle of 30-180 degrees, the first motor output shaft is fixed at the circle center of the outer processing block, and the outer curved surface of the outer processing block is abutted to the rim.

By adopting the technical scheme, when the first motor is started, the outer processing block rotates, when the outer processing block rotates a welding line, the welding block at the welding line is extruded, the flattening processing is realized, the welding block is extended, the welding block amount required to be cut off is reduced, and therefore the workload is reduced. The rotating directions of the first motor and the second motor are opposite, so that the extending directions of the inner and outer welding seams of the upper processing block and the lower processing block are opposite, and the phenomenon that the extending parts are overlapped at the same position of the rim to influence the thickness of the rim is avoided; on the other hand, the upper treatment block and the lower treatment block exert mutually antagonistic force on the rim, so that the possibility of movement of the rim is reduced, and the stability of the rim during tabletting operation is improved.

More preferably: and a push-out cylinder for pushing out the rim is fixed on the rack and arranged in parallel with the second motor, the push-out cylinder is positioned between the supporting block and the fixed block, and an output shaft of the push-out cylinder is abutted against the end face, close to the rack, of the rim.

By adopting the technical scheme, after the flattening is finished, the pushing cylinder is started to push the rim out, so that the automatic discharging of the rim is realized.

More preferably: the machine frame is connected with a transparent protective cover in a sliding mode, a sliding groove is formed in the machine frame, a sliding block connected in the sliding groove in a sliding mode is fixed on the protective cover, and the sliding groove is located on two sides of the fixed block in the moving direction; an opening and closing cylinder for driving the protective cover to lift is fixed on the frame.

By adopting the technical scheme, after the wheel rim is placed on the supporting block, the opening and closing cylinder is started to lower the protective cover, so that the isolation between a working area and workers is realized, and the safety is improved.

To sum up, the utility model discloses following beneficial effect has:

1. the inner and outer flattening processing of the welding seam is carried out by arranging the fixing part, the outer processing part and the inner processing part, so that the height of a welding block at the welding seam is reduced, the quantity of the welding block to be cut is reduced, and the workload is reduced;

2. the limiting of the rim is realized by arranging the limiting pieces, and the possibility that the rim slides on the supporting block and the lower processing block is reduced;

3. the first motor and the outer processing block are arranged, the outer processing block and the inner processing block rotate in two opposite directions, and the welding blocks are flattened;

4. through setting up the release cylinder, realize rim automatic discharge.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic structural view of FIG. 1 with the open/close cylinder and the protective cover removed;

FIG. 4 is a top view of FIG. 3;

fig. 5 is a partial cross-sectional view of section a-a in fig. 4.

Reference numerals: 1. a frame; 11. a master block; 12. an extension plate; 13. a secondary block; 14. an auxiliary plate; 15. an auxiliary block; 151. a chute; 152. a sliding groove; 2. a fixed part; 21. a support block; 22. a lifting cylinder; 3. an external processing unit; 31. an outer processing block; 32. an external drive section; 321. a first motor; 322. rotating the rod; 4. an inner treatment section; 41. processing the blocks in the process; 42. a second motor; 5. a fixed block; 51. a vertical block; 52. a horizontal bar; 53. a slider; 6. a limiting sheet; 7. pushing out the cylinder; 8. a protective cover; 81. a slider; 9. and opening and closing the air cylinder.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A pretreatment device for rim welding seams comprises a frame 1, wherein a fixing part 2 for fixing a rim, an outer treatment part 3 for treating welding blocks on the outer wall surface of the rim and an inner treatment part 4 for treating the inner wall surface of the rim are arranged on the frame 1, as shown in figure 1.

As shown in fig. 3, the frame 1 includes a main block 11 vertically disposed, an extension plate 12 horizontally extending from the upper end of the frame 1 to an outer side of the frame 1, an auxiliary block 13 horizontally fixed to a vertical side of the main block 11, two auxiliary plates 14 fixed to a lower side of the auxiliary block 13 and spaced apart from each other, and two auxiliary blocks 15 fixed to both sides of the auxiliary block 13. The extension plate 12 and the sub-block 13 extend to the same side of the frame 1, the outer treatment section 3 is provided on the frame 1 and the auxiliary plate 14, and the inner treatment section 4 is located below the auxiliary plate 14.

The fixing portion 2 is provided on the side of the main block 11 to which the extension plate 12 is connected. The fixing part 2 comprises two supporting blocks 21 horizontally fixed on the main block 11, a fixing block 5 positioned above the supporting blocks 21, and a lifting cylinder 22 driving the fixing block 5 to approach and depart from the supporting blocks 21. The supporting blocks 21 are circular in cross section and are respectively positioned on both sides of the inner treatment section 4; the outer curved surface of the support block 21 abuts against the inner wall surface of the rim.

The output shaft of the lifting cylinder 22 is fixed to the extension plate 12 downward, and the output shaft extends through the extension plate 12 to the lower side of the extension plate 12. The fixed block 5 comprises a horizontal block fixed with an output shaft of the lifting cylinder 22 and vertical blocks 51 vertically and downwardly fixed at two ends of the horizontal block, and the lower end face of each vertical block 51 is a curved surface in abutting fit with the outer curved surface of the rim; the two vertical blocks 51 correspond to the two support blocks 21 one by one, and the vertical blocks 51 and the support blocks 21 corresponding to each other abut against the outer side and the inner side of the same position of the rim.

The vertical block 51 is located between the two auxiliary blocks 15, a sliding groove 151 with a rectangular cross section is vertically formed in each auxiliary block 15, the upper end of each sliding groove 151 and one side close to each vertical block 51 are all communicated, and a sliding block 53 sliding in each sliding groove 151 is fixed on each vertical block 51.

The end face, far away from the main block 11, of each supporting block 21 is connected with a limiting piece 6 through threads, the limiting pieces are parallel to the end faces of the supporting blocks 21, two sides of each limiting piece 6 are located on the inner side and the outer side of the rim respectively, and the rim is limited in the direction parallel to the length direction of the supporting blocks 21.

As shown in fig. 4 and 5, the inner treatment block 41 includes a second motor 42 horizontally fixed to the main block 11, and the inner treatment block 41 fixed to an output shaft of the second motor 42. The inner treatment block 41 is circular in cross-section and extends horizontally outside the main block 11. The length of the inner treatment block 41 is the same as the length of the rim, and the outer wall surface of the inner treatment block 41 is provided with a protrusion which is matched with the inner treatment block 41, so that the inner wall surface of the rim is completely attached to the outer wall surface of the inner treatment block 41. The inner treatment block 41 is located between the two support blocks 21 and abuts the highest inside of the rim. When the inner processing block 41 rotates, the welding blocks at all positions of the rim welding seam can play a role of extending the pressing sheet.

As shown in fig. 5, the external processing unit 3 includes an external driving unit 32 horizontally fixed to the main block 11, and an external processing block 31 fixed to the external driving unit 32, the external driving unit 32 includes a first motor 321 and a rotating lever 322 fixed to an output shaft of the first motor 321, and the external processing block 31 is fixed to the rotating lever 322. The outer processing block 31 is a sector with an angle of 90 degrees, and the center of the outer processing block 31 is fixed with the rotating rod 322.

The outer processing block 31 is located directly above the inner processing block 41. The outer processing block 31 is disposed between the two auxiliary plates 14, and the rotating rod 322 is disposed through one end of the two auxiliary plates 14 away from the auxiliary block 13, and one end of the rotating rod close to the main block 11 is fixed to the first motor 321. The outer processing block 31 extends in the horizontal direction, and has the same length as the rim, and the outer curved surface is in shape fit with and abuts against the outer wall surface of the rim.

As shown in fig. 3, two push-out cylinders 7 are horizontally fixed on the main block 11, the output shafts of the push-out cylinders 7 are located between the main block 11 and the rim end face, and the push-out cylinders 7 are located below the supporting block 21. After the rim is completely pressed, the push-out cylinder 7 is started to push the rim out of the supporting block 21 and the inner treatment block 41.

As shown in fig. 2, a sliding groove 152 with a T-shaped cross section is vertically formed in the auxiliary block 15, both the upper end and the lower end of the sliding groove 152 and one side far away from the main block 11 are all penetrated, a protective cover 8 is arranged outside the outer processing part 3 and the inner processing part 4, a sliding block 81 sliding on the sliding groove 152 is fixed on the protective cover 8, and two opening and closing cylinders 9 driving the protective cover 8 to ascend and descend are vertically fixed on the extension plate 12.

The implementation principle of the embodiment is as follows: the protective cover 8 is lifted above the outer treatment block 31, the vertical block 51 is far away from the inner support block 21, the rim placing handle is abutted against the support block 21 and the inner treatment block 41, the welding seam is placed between the outer treatment block 31 and the inner treatment block 41, the lifting cylinder 22 is started to abut the vertical block 51 against the outer wall surface of the rim, and the protective cover 8 is lowered to separate the outer treatment part 3 from the inner treatment part 4; starting the first motor 321 and the second motor 42 to drive the outer treatment block 31 and the inner treatment block 41 to rotate clockwise, wherein the rotation directions of the outer treatment block 31 and the inner treatment block 41 at the welding seam are opposite, and the outer welding blocks and the inner welding blocks are extended to press the sheets to two sides of the welding seam; the vertical block 51 is lifted and reset, the outer processing block 31 is separated from the outer wall surface of the rim again, the protective cover 8 is lifted, and the push-out air cylinder 7 is started to push out the rim.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The pretreatment equipment for the rim weld joint comprises a machine frame (1) and is characterized in that a fixing part (2) for fixing the rim, an outer treatment part (3) for flattening the rim outer wall surface weld joint and an inner treatment part (4) for flattening the rim inner wall surface weld joint are arranged on the machine frame (1); the fixing part (2) comprises a supporting block (21) which is horizontally fixed on the rack (1) and used for supporting the rim, a fixing block (5) which is connected to the rack (1) in a sliding mode, and a lifting cylinder (22) which drives the fixing block (5) to be close to or far away from the supporting block (21), wherein the supporting block (21) is located on the inner side of the rim, and the fixing block (5) is located on the outer side of the rim; the external processing part (3) comprises an external processing block (31) movably connected with the rack (1) and an external driving part (32) which is fixed on the rack (1) and drives the external processing block (31) to be close to and far away from the supporting block (21); the inner treatment part (4) comprises an inner treatment block (41) which is abutted with a welding seam of the inner wall surface of the wheel rim, and a second motor (42) which drives the inner treatment block (41) to rotate, wherein the cross section of the inner treatment block (41) is circular.

2. A pretreatment equipment for a rim weld according to claim 1, characterized in that the support blocks (21) are provided in two numbers and are respectively positioned at two sides of the inner treatment block (41), and the surface of the support block (21) abutting against the rim is a curved surface matched with the inner wall surface of the rim.

3. A rim weld bead pretreatment apparatus according to claim 2, wherein the fixed block (5) comprises a horizontal block connected with the lifting cylinder (22), two vertical blocks (51) vertically fixed at two ends of the horizontal block, one vertical block (51) corresponds to one support block (21), and the abutting positions of the support block (21) and the rim are at the same position as the abutting positions of the corresponding vertical block (51) and the rim.

4. A rim weld bead pretreatment apparatus according to claim 3, wherein the end surface of the vertical block (51) abutting the rim is a curved surface opening to the support block (21) and form-fitting with the outer curved surface of the rim.

5. A pretreatment equipment for a rim weld according to claim 3, characterized in that the end surface of the support block (21) far away from the frame (1) is connected with a spacing piece (6) by screw thread, and one end of the spacing piece (6) extends to the outside of the rim.

6. A rim weld bead pretreatment apparatus according to claim 1, wherein the outer driving portion (32) is a first motor (321) arranged perpendicular to the moving direction of the fixed block (5), the cross section of the outer processing block (31) is a sector with an angle of 30-180 degrees, the output shaft of the first motor (321) is fixed at the center of the outer processing block (31), and the outer curved surface of the outer processing block (31) is abutted against the rim.

7. A pretreatment equipment for a rim weld according to claim 1, characterized in that a push-out cylinder (7) for pushing out the rim is fixed on the frame (1) and is arranged in parallel with the second motor (42), the push-out cylinder (7) is positioned between the supporting block (21) and the fixed block (5), and the output shaft of the push-out cylinder (7) is abutted against the end surface of the rim close to the frame (1).

8. A rim weld bead pretreatment device according to claim 1, characterized in that the frame (1) is slidably connected with a transparent protective cover (8), the frame (1) is provided with a sliding groove (152), the protective cover (8) is fixed with a sliding block (81) slidably connected in the sliding groove (152), and the sliding groove (152) is positioned at two sides of the fixed block (5) in the moving direction; an opening and closing cylinder (9) for driving the protective cover (8) to ascend and descend is fixed on the rack (1).