Accurate alignment mechanism for welding

Abstract

The utility model provides an accurate alignment mechanism for welding. The precise alignment mechanism for welding comprises a base, and a centering mechanism is arranged at the bottom of the base; the centering mechanism comprises a fixing seat, the fixing seat is fixedly installed at one end of the bottom of the base, a second brake motor is fixedly installed at the bottom of the fixing seat, a worm is installed at the output end of the second brake motor, a first gear and a second gear are arranged on the two sides of the worm correspondingly, and the first gear and the second gear are engaged with the worm correspondingly; a first threaded rod is fixedly mounted in the middle of the first gear, a second threaded rod is fixedly mounted in the middle of the second gear, two sets of fixing plates are fixedly mounted on the two sides of the lower portion of the base, the first threaded rod and the second threaded rod are rotationally arranged between the fixing plates, and a first mounting table is arranged at one end of the base. The accurate alignment mechanism for welding has the advantages of being convenient to use, accurate in alignment of metal pieces and good in welding effect of the metal pieces.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal welding technical field especially relates to a kind of welding accurate alignment mechanism. BACKGROUND

[0002] Metal is a kind of luster, ductility, easy to conduct electricity, heat conduction and other properties, most of the metal elements on earth exist in the nature in combined state, because the chemical properties of most metals are more active, only a few metals such as gold, silver exist in free state, metal widely exists in nature, is very common in life, is a kind of very important and most applied substance in modern industry.

[0003] Metal welding is the processing step that two mutually abutting metal pieces are welded together by welding head, in industrial production, metal welding is a common processing process, in the process of metal welding, two metal pieces are usually first abutted together, then the welding head of welding tool contacts the position of two metal pieces butt joint, so that the position of two metal pieces butt joint generates high temperature, thereby melting metal piece itself or melting other substances, so that two metal pieces are fixedly connected together.

[0004] However, when welding metal, in order to improve the stability of two metal pieces during welding, one of the metal pieces is usually held firmly by operating personnel manually, and then the butt joint of two metal pieces is welded, but when holding metal piece manually, welding error is easily caused due to hand shake.

[0005] Therefore, it is necessary to provide a new welding accurate alignment mechanism to solve the above technical problems. UTILITY MODEL CONTENT

[0006] The utility model solves the technical problem to provide a kind of welding accurate alignment mechanism, metal piece alignment is accurate, and metal piece welding effect is good.

[0007] To solve the above technical problems, the welding accurate alignment mechanism provided by the utility model includes a base, the base bottom is provided with a centering mechanism;

[0008] The centering mechanism includes a fixed seat, the fixed seat is fixedly installed at one end of the bottom of the base, the bottom of the fixed seat is fixedly installed with a brake motor 2, the output end of the brake motor 2 is installed with a worm, gear 1 and gear 2 are respectively provided on both sides of the worm, the gear 1 and gear 2 are respectively meshed with the worm, the middle part of the gear 1 is fixedly installed with a threaded rod 1, the middle part of the gear 2 is fixedly installed with a threaded rod 2, two groups of fixed plates are fixedly installed on both sides of the lower part of the base, the threaded rod 1 and the threaded rod 2 are respectively rotatably arranged between the fixed plates, a mounting platform 1 is provided at one end of the base, and a mounting platform 2 is provided at the opposite end of the mounting platform 1 on the base, a guide block 1 is fixedly installed on the bottom of the mounting platform 1, the guide block 1 is arranged on the outside of the threaded rod 2, and a guide block 2 is fixedly installed on the bottom of the mounting platform 2, and the guide block 2 is arranged on the outside of the threaded rod 1.

[0009] Preferably, a second through slot is provided on both sides of the base near the center, and the first guide block and the second guide block are respectively arranged on the inner side of the second through slot.

[0010] Preferably, the threaded rod 1 and the threaded rod 2 have the same pitch, and the threaded rod 1 and the threaded rod 2 have the same thread direction.

[0011] Preferably, a support plate 2 is fixedly installed above the mounting platform 1, a sleeve 1 is rotatably provided in the middle of the support plate 2, a rack is fixedly installed on the outer side of the sleeve 1, a gear 3 is provided on one side of the rack, the rack and gear 3 are meshed with each other, a brake motor 1 is provided on one side of the gear 3, and the brake motor 1 is fixedly installed on the mounting platform 1.

[0012] Preferably, a support plate 1 is fixedly installed above the mounting platform 2, a sleeve 2 is rotatably provided in the middle of the support plate 1, a number of cylinders are fixedly installed on both the sleeve 1 and the sleeve 2, a fastening plate is fixedly installed on the end of the cylinder, and the fastening plate is provided on the inner side of the sleeve 1 and the sleeve 2.

[0013] Preferably, a through slot is provided on both sides of the base away from the center position, a guide rod is fixedly installed in the middle of the two through slots, a limit block is fixedly installed on both sides below the mounting platform 1, and a limit block is fixedly installed on both sides below the mounting platform 2, and the limit block 1 and the limit block 2 are respectively slidably arranged on the outside of the guide rod.

[0014] Preferably, a through hole is provided in the middle of each of the first and second limit blocks, and the through hole is adapted to fit the guide rod.

[0015] Compared with related technologies, the welding precision alignment mechanism provided by the present invention has the following beneficial effects:

[0016] The utility model provides a precise welding alignment mechanism. After the metal parts are fixed, the brake motor 2 located at the bottom starts working, and the output end rotates to drive the worm gear above to rotate. The rotation of the worm gear drives the gear 1 and the gear 2 on both sides to move in different directions. When the gear 1 and the gear 2 move in different directions, the threaded rod 1 and the threaded rod 2 are driven to rotate in different directions. When the threaded rod 1 rotates, the mounting platform 2 is driven to move. When the threaded rod 2 rotates, the mounting platform 1 is driven to move. When the threaded rod 1 and the threaded rod 2 rotate in different directions, the outer mounting platform 1 and the mounting platform 2 are driven to move in different directions, thereby driving the two metal parts above to move in different directions, so that the two metal parts are precisely aligned, so that the welding accuracy of the metal parts can be high. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A structural diagram of a preferred embodiment of the welding precision alignment mechanism provided by the present invention;

[0018] Figure 2 This is a structural schematic diagram of the welding precision alignment mechanism provided by the utility model from another perspective;

[0019] Figure 3 This is a schematic diagram of the partial structure of the welding precision alignment mechanism provided by the utility model;

[0020] Figure 4 This is a schematic diagram of the installation structure of gear three in the welding precision alignment mechanism provided by the utility model.

[0021] Numbers in the figure: 1. Base; 2. Mounting table 1; 3. Brake motor 1; 4. Sleeve 1; 5. Rack; 6. Fastening plate; 7. Support plate 1; 8. Sleeve 2; 9. Mounting table 2; 10. Worm; 11. Brake motor 2; 12. Fixing seat; 13. Limit block 1; 14. Guide block 1; 15. Guide block 2; 16. Limit block 2; 17. Guide rod; 18. Through slot 1; 19. Through slot 2; 20. Gear 1; 21. Threaded rod 1; 22. Threaded rod 2; 23. Gear 2; 24. Gear 3; 25. Support plate 2. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0023] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 ,in, Figure 1 A structural diagram of a preferred embodiment of the welding precision alignment mechanism provided by the present invention; Figure 2 This is a structural schematic diagram of the welding precision alignment mechanism provided by the utility model from another perspective; Figure 3 This is a schematic diagram of the partial structure of the welding precision alignment mechanism provided by the utility model; Figure 4 Schematic diagram of the installation structure of gear three in the welding precision alignment mechanism provided by the present invention. The welding precision alignment mechanism includes a base 1, with a centering mechanism provided at the bottom of the base 1; the centering mechanism includes a fixed base 12, which is fixedly installed at one end of the bottom of the base 1, and a brake motor 2 11 is fixedly installed at the bottom of the fixed base 12. A worm 10 is installed at the output end of the brake motor 2 11, and a gear 1 20 and a gear 2 23 are respectively provided on both sides of the worm 10. Gear 1 20 and gear 2 23 are respectively meshed with the worm 10. A threaded rod 1 21 is fixedly installed in the middle of gear 1 20, and a threaded rod 2 22 is fixedly installed in the middle of gear 2 23. The threaded rod 1 21 and the threaded rod 2 22 are fixedly installed. The pitch is the same, and the threaded rod 1 21 and the threaded rod 2 22 have the same thread direction. When the gear 1 20 and the gear 2 23 rotate in opposite directions, the threaded rod 1 21 and the threaded rod 2 22 located on the inner side rotate in opposite directions. Since the threaded rod 1 21 and the threaded rod 2 22 have the same thread direction, they can drive the mounting platform 1 2 and the mounting platform 2 9 to move in opposite directions. Two sets of fixed plates are fixedly installed on both sides below the base 1. The threaded rod 1 21 and the threaded rod 2 22 are respectively rotatably arranged between the fixed plates. A mounting platform 2 is provided on one end of the base 1, and a mounting platform 2 9 is provided on the opposite end of the mounting platform 2 on the base 1. A guide block 14 is fixedly installed at the bottom of the 2, and the guide block 14 is arranged on the outside of the threaded rod 22. A guide block 15 is fixedly installed at the bottom of the mounting platform 29, and the guide block 15 is arranged on the outside of the threaded rod 21. A through groove 29 is opened on both sides of the base 1 near the center. The guide block 14 and the guide block 215 are respectively arranged on the inner side of the through groove 219, which is used to install the guide block 14 and the guide block 215. At the same time, the positions of the guide block 14 and the guide block 215 are limited by the through groove 219. Specifically, after the metal parts are fixed, the brake motor 211 at the bottom works The output end rotates to drive the upper worm 10 to rotate, and the rotation of the worm 10 drives the gear 1 20 and the gear 2 23 on both sides to move in different directions. When the gear 1 20 and the gear 2 23 move in different directions, the threaded rod 1 21 and the threaded rod 2 22 are driven to rotate in different directions. When the threaded rod 1 21 rotates, it drives the mounting platform 2 9 to move. When the threaded rod 2 22 rotates in different directions, it drives the outer mounting platform 1 2 and the mounting platform 2 9 to move in different directions, thereby driving the two metal parts above to move in different directions, so that the two metal parts are precisely aligned.

[0024] Furthermore, a support plate 25 is fixedly installed above the mounting platform 12, a sleeve 4 is rotatably provided in the middle of the support plate 25, a rack 5 is fixedly installed on the outside of the rack 5, a gear 3 24 is provided on one side of the rack 5, the gear 5 and the gear 3 24 are meshed with each other, a brake motor 3 is provided on one side of the gear 3 24, and the brake motor 3 is fixedly installed on the mounting platform 12, a support plate 7 is fixedly installed above the mounting platform 29, a sleeve 2 8 is rotatably provided in the middle of the support plate 7, a number of cylinders are fixedly installed on the sleeve 14 and the sleeve 28, and a fastening plate is fixedly installed on the end of the cylinder 6. The fastening plate 6 is arranged on the inner side of the sleeve 1 4 and the sleeve 2 8. When in use, after welding the two metal parts, when the welding angle of the metal parts needs to be adjusted, the brake motor 1 3 located on one side works, and the output end rotates to drive the gear 3 24 on one side to rotate. The rotation of the gear 3 24 drives the rack 5 on one side to rotate. The rotation of the rack 5 drives the sleeve 1 4 to rotate on the support plate 2 25. When the sleeve 1 4 rotates, the metal part on the inside rotates. When the metal part rotates, the sleeve 2 8 on the other side rotates on the support plate 1 7, so that metal parts at different angles can be welded.

[0025] Furthermore, a through groove 18 is provided on both sides of the base 1 away from the center position, and a guide rod 17 is fixedly installed in the middle of the two through grooves 18. A limit block 13 is fixedly installed on both sides below the mounting platform 2, and a limit block 2 16 is fixedly installed on both sides below the mounting platform 2 9. The limit block 13 and the limit block 2 16 are respectively slidably arranged on the outside of the guide rod 17. A through hole is provided in the middle of the limit block 13 and the limit block 2 16, which is adapted to the guide rod 17 and is used to limit the position of the mounting platform 1 2 and the mounting platform 2 9. When the mounting platform 1 2 and the mounting platform 2 9 move, the limit block 13 and the limit block 2 16 located on the inner side slide on the guide rod 17, thereby improving the stability of the mounting platform 1 2 and the mounting platform 2 9 during movement.

[0026] The working principle of the welding precision alignment mechanism provided by the utility model is as follows:

[0027] When welding metal parts, different metal parts are placed between two fastening plates 6, and then the cylinder works, the top moves forward, driving the top fastening plate 6 to move forward, so that the fastening plates 6 can fix the metal parts together.

[0028] After the metal piece is fixed, the brake motor two 11 at the bottom works, the output end rotates to drive the upper worm 10 to rotate, the worm 10 rotates to drive the gear one 20 and the gear two 23 on both sides to move in opposite directions, when the gear one 20 and the gear two 23 move in opposite directions, the threaded rod one 21 and the threaded rod two 22 are driven to rotate in opposite directions, when the threaded rod one 21 rotates, the mounting table two 9 is driven to move, when the threaded rod two 22 rotates, the mounting table one 2 is driven to move, when the threaded rod one 21 and the threaded rod two 22 rotate in opposite directions, the mounting table one 2 and the mounting table two 9 on the outer side are driven to move in opposite directions, thereby driving the two metal pieces above to move in opposite directions, so that the two metal pieces are accurately aligned.

[0029] After the two metal pieces are welded, when the welding angle of the metal piece needs to be adjusted, the brake motor one 3 on one side works, the output end rotates to drive the gear three 24 on one side to rotate, the gear three 24 rotates to drive the rack 5 on one side to rotate, the rack 5 rotates to drive the sleeve one 4 to rotate on the support plate two 25, when the sleeve one 4 rotates, the metal piece on the inner side rotates, when the metal piece rotates, the sleeve two 8 on the other side rotates on the support plate one 7, so that metal pieces of different angles can be welded.

[0030] Compared with the related art, the welding accurate alignment mechanism has the following beneficial effects:

[0031] The utility model provides a kind of welding accurate alignment mechanism, after metal piece is fixed, the brake motor two 11 at the bottom works, the output end rotates to drive the upper worm 10 to rotate, the worm 10 rotates to drive the gear one 20 and the gear two 23 on both sides to move in opposite directions, when the gear one 20 and the gear two 23 move in opposite directions, the threaded rod one 21 and the threaded rod two 22 are driven to rotate in opposite directions, when the threaded rod one 21 rotates, the mounting table two 9 is driven to move, when the threaded rod two 22 rotates, the mounting table one 2 is driven to move, when the threaded rod one 21 and the threaded rod two 22 rotate in opposite directions, the mounting table one 2 and the mounting table two 9 on the outer side are driven to move in opposite directions, thereby driving the two metal pieces above to move in opposite directions, so that the two metal pieces are accurately aligned, so that metal piece welding precision is high.

[0032] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A welding precision alignment mechanism, characterized in that: It comprises a base, wherein a centering mechanism is provided at the bottom of the base; The centering mechanism includes a fixed seat, the fixed seat is fixedly installed at one end of the bottom of the base, the bottom of the fixed seat is fixedly installed with a brake motor 2, the output end of the brake motor 2 is installed with a worm, gear 1 and gear 2 are respectively provided on both sides of the worm, the gear 1 and gear 2 are respectively meshed with the worm, the middle part of the gear 1 is fixedly installed with a threaded rod 1, the middle part of the gear 2 is fixedly installed with a threaded rod 2, two groups of fixed plates are fixedly installed on both sides of the lower part of the base, the threaded rod 1 and the threaded rod 2 are respectively rotatably arranged between the fixed plates, a mounting platform 1 is provided at one end of the base, and a mounting platform 2 is provided at the opposite end of the mounting platform 1 on the base, a guide block 1 is fixedly installed on the bottom of the mounting platform 1, the guide block 1 is arranged on the outside of the threaded rod 2, and a guide block 2 is fixedly installed on the bottom of the mounting platform 2, and the guide block 2 is arranged on the outside of the threaded rod 1.

2. The welding precision alignment mechanism according to claim 1, characterized in that: A second through slot is provided on both sides of the base near the center, and the first guide block and the second guide block are respectively arranged on the inner side of the second through slot.

3. The welding precision alignment mechanism according to claim 1, characterized in that: The threaded rod 1 and the threaded rod 2 have the same pitch, and the threaded rod 1 and the threaded rod 2 have the same thread direction.

4. The welding precision alignment mechanism according to claim 1, characterized in that: A support plate 2 is fixedly installed above the mounting platform 1, a sleeve 1 is rotatably provided in the middle of the support plate 2, a rack is fixedly installed on the outer side of the sleeve 1, a gear 3 is provided on one side of the rack, the rack and gear 3 are meshed with each other, a brake motor 1 is provided on one side of the gear 3, and the brake motor 1 is fixedly installed on the mounting platform 1.

5. The welding precision alignment mechanism according to claim 4, characterized in that: A support plate 1 is fixedly installed above the mounting platform 2, a sleeve 2 is rotatably provided in the middle of the support plate 1, a plurality of cylinders are fixedly installed on both the sleeve 1 and the sleeve 2, a fastening plate is fixedly installed on the end of the cylinder, and the fastening plate is provided on the inner side of the sleeve 1 and the sleeve 2.

6. The welding precision alignment mechanism according to claim 2, characterized in that: A through slot is provided on both sides of the base away from the center position, and a guide rod is fixedly installed in the middle of the two through slots. A limit block is fixedly installed on both sides below the mounting platform 1, and a limit block is fixedly installed on both sides below the mounting platform 2. The limit block 1 and the limit block 2 are respectively slidably arranged on the outside of the guide rod.

7. The welding precision alignment mechanism according to claim 6, characterized in that: The middle parts of the first and second limit blocks are both provided with through holes, and the through holes are adapted to the guide rods.

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