CN217991383U

CN217991383U - Welding device for machining precision parts

Info

Publication number: CN217991383U
Application number: CN202221785991.5U
Authority: CN
Inventors: 吴朝波; 李永斌; 李永刚; 张博
Original assignee: Anshan Fenglin Precision Forging Co ltd
Current assignee: Anshan Fenglin Precision Forging 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 discloses a welding set is used in processing of accurate spare part, this welding set aim at solving present accurate part and main part equipment when welding, and the operation personnel grip the hand of welding machine and take place to interfere with equipment surface easily, hinder the technical problem of welder and accurate part abundant contact. The welding device comprises a welding gun body, a lifting rack arranged on the left side of the welding gun body and a cantilever support arranged on the lower side of the lifting rack. This welding set adopts the loose axle on the welder body and the rotatable structure between the activity end, when welding jobs, can be according to the installation angle between precision part and the main part equipment needs the relative position between adjustment handle pole and the welder body, avoid operating personnel hand to receive the interference influence on main part equipment surface, it is more convenient to control the welder body, through the integrated configuration of lift rack and armrest frame, can adjust the vertical distance between handle pole and the welder body as required when using the welder main part.

Description

Welding device for machining precision parts

Technical Field

The utility model belongs to the welding equipment field, concretely relates to welding set is used in processing of accurate spare part.

Background

In industrial production, most high performance equipment have very many accurate spare parts, and some adoption welding methods of these spare parts are connected in order to increase structural strength with equipment, and accurate spare part small in size is inconvenient with automatic welding equipment batch operation, generally uses traditional welder to carry out welding operation.

When precision parts and mechanical equipment surface welding, the position of the handheld welder of operation personnel bumps with mechanical equipment, and the position of gripping of welder can receive mechanical equipment's interference effect sometimes and be difficult to make the welding gun head aim at the welding seam between precision parts and the mechanical equipment, and the spare part on same mechanical equipment often has the welding jobs of eminence moreover, and operating personnel need extend the arm for a long time and raise welder and aim at the welding seam, produces work fatigue easily.

Therefore, when welding tight parts by the traditional welding gun, the welding gun holding part is easy to interfere with mechanical equipment, so that the welding gun cannot align the welding seam, a novel welding gun device is developed, and the movable handle structure is utilized, so that the welding gun device is more flexible to use during welding.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

The welding device is used in precision parts processing, and when this welding device aims at solving present precision part and main part equipment welding, the operation personnel grip the hand of welding machine and take place to interfere with equipment surface easily, hinder welder and the technical problem of precision part abundant contact.

(2) Technical scheme

In order to solve the technical problem, the utility model provides a such welding set is used in processing of accurate spare part, this welding set include the welder body, set up in the left lift rack of welder body, set up in the handrail frame of lift rack downside, welder body left end fixedly connected with loose axle, lift rack upper end fixedly connected with activity end, the fastening mouth has been seted up in the middle of the activity end, the loose axle set up in the fastening mouth is inboard, the vertical flexible groove of having seted up in the middle of the handrail frame, the lift rack set up in flexible inslot side, the horizontal fixed mounting of handrail frame right-hand member has the handlebar pole, the handlebar pole set up in flexible groove downside.

When the welding device for machining the precision part is used, a user manually screws the fastening bolt to loosen the connection between the movable end and the movable shaft, holds the handle rod to rotate by hand, enables the movable end, the lifting rack and the arm support to be changed from a vertical state to a horizontal state, screws the fastening bolt again to fix the movable end, manually screws the handle according to the height of a welding part to rotate the gear, drives the lifting rack to extend outwards along the telescopic groove in a meshing connection mode to enable the distance between the handle rod and the welding gun body to be long, then installs the protection sheet on the handle rod in a threaded connection mode, and holds the handle rod wrapped with the rubber sleeve by hand to enable the welding rod to be aligned with a welding seam between the part and mechanical equipment to be welded.

Preferably, the outside cladding of handle pole has the rubber sleeve that the surface has anti-skidding texture, welding rod is installed to welder body right-hand member. The user holds the handle rod attached with the rubber sleeve, the hand is parallel to the surface of the welded mechanical equipment, and the hand is not easy to slip and cannot be interfered by the protruding structure on the surface of the mechanical equipment.

Preferably, the right side of the handle rod is provided with a protection sheet, the right end of the handle rod is provided with a fixing screw hole, and a screw at the left end of the protection sheet is in threaded connection with the inner side of the fixing screw hole. The protective sheet forms an isolation barrier between the hand holding the handle rod and the welding point, so that spark sputtering damage is prevented.

Preferably, an adjusting screw hole is formed in the left end of the movable shaft, a fastening bolt is connected to the inner side of the adjusting screw hole in a threaded manner, and the expansion end of the fastening bolt is arranged on the left side of the movable end. The fastening bolt is screwed to loosen the connection between the movable end head and the movable shaft, so that the movable end head rotates to a proper angle along the movable shaft.

Preferably, a support is fixedly mounted at the left end of the arm support, a gear is movably connected to the upper end of the support through a shaft rod structure, and the gear is arranged on the inner side of the telescopic groove. The shaft of the gear passing through its axis can rotate without horizontal movement.

Preferably, the right end of the gear is fixedly connected with a wrench, a rack is installed in the middle of the lifting rack, and the gear is in meshed connection with the rack. When the gear rotates, the rack correspondingly performs lifting action, so that the lifting rack enters and exits from the telescopic groove.

Preferably, the inner wall of the telescopic groove is fixedly connected with a guide strip, a through groove is formed in one side, facing the inner wall of the telescopic groove, of the arm support, and the guide strip is arranged on the inner side of the through groove. The in-process that the lift rack removed is through the joint limiting displacement of gib block and logical groove, can not deviate from flexible inslot.

(3) Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a but accurate spare part processing is with welding set adopts the loose axle on the welder body and the rotatable structure between the activity end, when welding operation, can be according to the installation angle between accurate part and the main part equipment needs the relative position between adjustment handle pole and the welder body, avoid operating personnel hand to receive the interference influence on main part equipment surface, it is more convenient to control the welder body, through the integrated configuration of lift rack and armrest frame, can adjust the vertical distance between handle pole and the welder body as required when using the welder main part, can control the welder body and weld the accurate part of higher position.

Drawings

FIG. 1 is a schematic view of an assembly structure of a welding apparatus for machining precision parts according to an embodiment of the present invention;

FIG. 2 is a schematic view of a connection structure of a movable shaft and a fastening bolt of a welding apparatus for machining precision parts according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a cantilever support of a specific embodiment of the welding device for machining precision parts of the present invention;

fig. 4 is a schematic view of the lifting rack structure of the embodiment of the welding device for machining precision parts of the present invention.

The symbols in the drawings are: 1. a welding gun body; 2. a movable shaft; 3. a movable end; 4. a fastening opening; 5. a lifting rack; 6. a cantilever support; 7. a telescopic groove; 8. a handle bar; 9. a rubber sleeve; 10. welding rods; 11. a protective sheet; 12. fixing the screw hole; 13. adjusting the screw hole; 14. fastening a bolt; 15. a support; 16. a gear; 17. screwing a hand; 18. a rack; 19. a guide strip; 20. a through groove.

Detailed Description

The specific embodiment is used for a welding device for machining precision parts, the schematic diagram of the assembly structure of the welding device is shown in fig. 1, the schematic diagram of the connection structure of a movable shaft 2 and a fastening bolt 14 is shown in fig. 2, the schematic diagram of the structure of a cantilever support 6 is shown in fig. 3, the schematic diagram of the structure of a lifting support 5 is shown in fig. 4, the welding device comprises a welding gun body 1, a lifting support 5 arranged on the left side of the welding gun body 1, a cantilever support 6 arranged on the lower side of the lifting support 5, the left end of the welding gun body 1 is fixedly connected with the movable shaft 2, the upper end of the lifting support 5 is fixedly connected with a movable end 3, a fastening port 4 is arranged in the middle of the movable end 3, the movable shaft 2 is arranged on the inner side of the fastening port 4, a telescopic groove 7 is vertically arranged in the middle of the cantilever support 6, the lifting support 5 is arranged on the inner side of the telescopic groove 7, a handle rod 8 is horizontally and fixedly arranged on the right end of the cantilever support 6, and the lower side of the telescopic groove 7.

For the present embodiment, the fastening bolt 14 is provided with a rubber gasket toward the movable end 3, and when the welding gun body 1 is used, the rubber gasket plays a role in increasing the friction force between the rubber gasket and the movable end 3, so as to prevent the movable shaft 2 from rotating in the fastening opening 4.

Wherein, 8 outside cladding of handle pole have the surface have the rubber sleeve 9 of antiskid texture, and welding rod 10 is installed to 1 right-hand member of welder body, and 8 right sides of handle pole are provided with protecting plate 11, and fixed screw hole 12 has been seted up to 8 right-hand members of handle pole, and the screw rod threaded connection of the 11 left ends of protecting plate is inboard in fixed screw hole 12. The user holds the handle pole 8 that has attached to rubber sleeve 9, and the hand is the parallel state with by welded mechanical equipment surface, and the hand is difficult to the slippage and also can not receive the interference of mechanical equipment surface protruding structure, and protection piece 11 forms one isolation barrier between the hand of holding handle pole 8 and welding point position, prevents the spark sputtering injury.

Meanwhile, an adjusting screw hole 13 is formed in the left end of the movable shaft 2, a fastening bolt 14 is connected to the inner side of the adjusting screw hole 13 in a threaded mode, and the expansion end of the fastening bolt 14 is arranged on the left side of the movable end head 3. The fastening bolt 14 is screwed to loosen the connection between the movable end 3 and the movable shaft 2, so that the movable end 3 rotates to a proper angle along the movable shaft 2.

In addition, the left end of the arm support 6 is fixedly provided with a support 15, the upper end of the support 15 is movably connected with a gear 16 through a shaft rod structure, the gear 16 is arranged on the inner side of the telescopic groove 7, the right end of the gear 16 is fixedly connected with a twisting handle 17, a rack 18 is arranged in the middle of the lifting rack 5, the gear 16 and the rack 18 are connected in a meshing manner, a guide strip 19 is fixedly connected to the inner wall of the telescopic groove 7, a through groove 20 is formed in one side, facing the inner wall of the telescopic groove 7, of the arm support 6, and the guide strip 19 is arranged on the inner side of the through groove 20. The gear 16 passes through the shaft lever of the axis of the gear 16 and can rotate without horizontal movement, when the gear 16 rotates, the rack 18 correspondingly makes lifting action, so that the lifting rack 5 enters and exits from the telescopic groove 7, and the lifting rack 5 cannot be separated from the telescopic groove 7 through the clamping limiting effect of the guide strip 19 and the through groove 20 in the moving process.

When the welding device for processing the precision part is used, a user manually screws the fastening bolt 14 to loosen the connection between the movable end 3 and the movable shaft 2, holds the handle rod 8 to rotate, enables the movable end 3, the lifting rack 5 and the arm support 6 to be changed from a vertical state to a horizontal state, screws the fastening bolt 14 again to fix the movable end 3, then manually screws the handle 17 according to the height of a welding part to rotate the gear 16, drives the lifting rack 5 to extend outwards along the telescopic groove 7 through the rack 18 in a meshing connection mode to enable the distance between the handle rod 8 and the welding gun body 1 to be lengthened, then installs the protective sheet 11 on the handle rod 8 in a threaded connection mode, and enables the user to manually hold the handle rod 8 wrapped with the rubber sleeve 9 to enable the welding rod 10 to align with a welding seam between the part and mechanical equipment for welding.

Claims

1. A welding device for machining precision parts comprises a welding gun body, a lifting rack arranged on the left side of the welding gun body, and a cantilever crane arranged on the lower side of the lifting rack; the welding gun is characterized in that a movable shaft is fixedly connected to the left end of the welding gun body, a movable end is fixedly connected to the upper end of the lifting rack, a fastening opening is formed in the middle of the movable end, the movable shaft is arranged on the inner side of the fastening opening, a telescopic groove is vertically formed in the middle of the arm support, the lifting rack is arranged on the inner side of the telescopic groove, a handle rod is horizontally and fixedly mounted at the right end of the arm support, and the handle rod is arranged on the lower side of the telescopic groove.

2. The welding device for machining the precision parts according to claim 1, wherein a rubber sleeve with anti-sliding texture on the surface is coated outside the handle rod, and a welding rod is installed at the right end of the welding gun body.

3. The welding device for machining the precision parts according to claim 1, wherein a protection piece is arranged on the right side of the handle rod, a fixing screw hole is formed in the right end of the handle rod, and a screw rod at the left end of the protection piece is in threaded connection with the inner side of the fixing screw hole.

4. The welding device for machining the precision parts according to claim 1, wherein an adjusting screw hole is formed in the left end of the movable shaft, a fastening bolt is connected to the inner side of the adjusting screw hole in a threaded manner, and an enlarged end of the fastening bolt is arranged on the left side of the movable end.

5. The welding device for machining the precision parts as claimed in claim 1, wherein a support is fixedly mounted at the left end of the arm support, a gear is movably connected to the upper end of the support through a shaft rod structure, and the gear is arranged on the inner side of the telescopic groove.

6. The welding device for machining the precision parts according to claim 5, wherein a screw driver is fixedly connected to the right end of the gear, a rack is mounted in the middle of the lifting rack, and the gear is in meshed connection with the rack.

7. The welding device for machining the precision parts according to claim 1, wherein a guide strip is fixedly connected to the inner wall of the telescopic groove, a through groove is formed in one side, facing the inner wall of the telescopic groove, of the arm support, and the guide strip is arranged on the inner side of the through groove.