Welding clamp for electromagnetic valve iron core assembly of gas distribution valve

Abstract

A gas distribution valve electromagnetic valve iron core assembly welding clamp comprises a machine base, a transmission mechanism, a pressing mechanism and a power mechanism, the transmission mechanism, the pressing mechanism and the power mechanism are arranged on the machine base, a to-be-welded workpiece is arranged on the power mechanism and provided with a welding part and a positioning part, and the positioning part of the to-be-welded workpiece extends into the power mechanism to be fixedly connected with the power mechanism. The pressing mechanism is provided with a pressing piece, the pressing piece extends to a welding part of a to-be-welded workpiece to fix and press the welding part, the power mechanism is provided with a power source, the power source synchronously drives the to-be-welded workpiece to rotate when the pressing mechanism fixes and presses the to-be-welded workpiece, and the two ends of the transmission mechanism are connected with the power mechanism and the pressing mechanism correspondingly. The power mechanism drives the pressing mechanism to rotate through the transmission mechanism. In the design, the push rod and the synchronizing wheel on the push rod are arranged, so that the welding fixture can be more stable in the welding process, the welding accuracy and stability are ensured, and the size from the welded iron core shell to the end face of the flux sleeve is 0.9-1mm.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fixture, concretely relates to a gas distribution valve solenoid valve core assembly welding fixture. BACKGROUND

[0002] In the prior art, the welding process of the gas distribution valve solenoid valve core assembly is usually that the workpiece to be welded is fixed on a three-jaw chuck, and the product is rotated and welded by rotating the three-jaw chuck.

[0003] In the existing welding fixture, the workpiece to be welded is not pressed tightly, only one side is fixed, and in the process of rotary welding, there are problems such as unstable welding, insufficient machining precision and the like. SUMMARY

[0004] Therefore, the utility model provides a gas distribution valve solenoid valve core assembly welding fixture.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A gas distribution valve solenoid valve core assembly welding fixture, comprising a base, a transmission mechanism, a pressing mechanism and a power mechanism arranged on the base, the power mechanism is placed with a workpiece to be welded, the workpiece to be welded comprises a magnetic sleeve and a core assembly, the magnetic sleeve is sleeved on the core assembly, the core assembly has a welding part and a positioning part, the positioning part of the core assembly is connected with the power mechanism, the pressing mechanism is provided with a push rod, the pressing mechanism drives the push rod to move towards the core assembly and abuts against the core assembly to press the core assembly on the power mechanism, the power mechanism comprises a power source and a rotating unit, the workpiece to be welded is connected with the rotating unit, one end of the power source is connected with the rotating unit and drives the rotating unit to rotate, the transmission mechanism is connected with the rotating unit and the pressing mechanism at both ends, and the rotating unit rotates to drive the pressing mechanism to rotate through the transmission mechanism.

[0007] Preferably, the rotating unit comprises an adjusting block and a product seat, a rotating shaft is arranged between the power source and the product seat, the power source drives the product seat to rotate through the rotating shaft, the core assembly is fixed on the product seat, the adjusting block is arranged between the magnetic sleeve and the product seat, and the adjusting block adjusts the position of the magnetic sleeve on the core assembly.

[0008] Preferably, the pressing mechanism comprises a cylinder, a bearing assembly, a push rod and a pressing piece, the bearing assembly comprises a bearing seat, a pusher and a bearing, the bearing is arranged between the bearing seat and the pusher, the bearing seat is fixedly arranged with the cylinder, the pusher is rotatably arranged on the bearing seat, the pusher is connected with the push rod, one end of the push rod away from the pusher is connected with the pressing piece, and the cylinder drives the push rod and the pressing piece to move towards the iron core assembly and press the iron core assembly on the power mechanism.

[0009] Preferably, the transmission mechanism comprises a transmission rod, synchronous wheels and synchronous belts, the synchronous wheels comprise a first synchronous wheel, a second synchronous wheel, a third synchronous wheel and a fourth synchronous wheel, the synchronous belts comprise a first synchronous belt and a second synchronous belt, the first synchronous wheel is fixed on the rotating unit of the power mechanism, the second synchronous wheel and the third synchronous wheel are fixedly arranged at two ends of the transmission rod respectively, the fourth synchronous wheel is fixed on the push rod, the first synchronous belt and the second synchronous belt are arranged between the first synchronous wheel and the second synchronous wheel and between the third synchronous wheel and the fourth synchronous wheel respectively, the rotating unit drives the first synchronous wheel to rotate in the rotating process, and the first synchronous wheel sequentially transmits the power of the rotating unit to the push rod through the first synchronous belt, the second synchronous wheel, the transmission rod, the third synchronous wheel, the second synchronous belt and the fourth synchronous wheel, and drives the push rod to rotate.

[0010] Preferably, the machine base is also arranged on the rack.

[0011] Preferably, the product seat is also arranged with a fixed end, and the positioning part of the workpiece to be welded is connected with the fixed end.

[0012] Preferably, the power mechanism, the product seat, the workpiece to be welded and the pressing mechanism are coaxially arranged.

[0013] The beneficial effects of the utility model lie in that, in the design, the synchronous wheels on the push rod and the push rod make the welding fixture more stable in the welding process, ensure the accuracy and stability in welding, effectively improve the production efficiency and welding precision, and ensure that the size of the iron core shell to the end face of the magnetic sleeve after welding is 0.9-1mm, thereby ensuring the precision of the welding size and the stability of the product. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0015] Figure 2 is a structural view of the clamp of the present application; Figure 1 Figure 3 is a structural view of the clamp of the present application from another angle;

[0016] Figure 4 is a structural view of the clamp of the present application from another angle; Figure 2 Figure 5 is a structural view of the clamp of the present application from another angle;

[0017] Figure 6 is a structural view of the clamp of the present application from another angle; Figure 3 Figure 7 is a structural view of the clamp of the present application from another angle; Figure 1 Figure 8 is a structural view of the clamp of the present application from another angle;

[0018] Figure 9 is a structural view of the clamp of the present application from another angle; Figure 4 Figure 10 is a structural view of the clamp of the present application from another angle.

[0019] Reference signs:

[0020] 1, base, 2, transmission mechanism, 21, transmission rod, 22, synchronous wheel, 221, first synchronous wheel, 222, second synchronous wheel, 223, third synchronous wheel, 224, fourth synchronous wheel, 23, synchronous belt, 231, first synchronous belt, 232, second synchronous belt, 3, pressing mechanism, 31, air cylinder, 32, bearing assembly, 321, bearing seat, 322, pushing piece, 323, bearing, 33, push rod, 34, pressing piece, 4, power mechanism, 41, power source, 42, rotating unit, 421, adjusting block, 422, product seat, 5, workpiece to be welded, 51, magnetic conductive sleeve, 52, iron core assembly, 521, welding part, 522, positioning part, 6, rack, 7, fixed end. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] The present application will be further described below with reference to the drawings in the description.

[0023] The present application provides the following technical solutions:

[0024] As shown in the accompanying drawings, Figures 1-4As shown, a gas distribution valve solenoid core assembly 52 welding clamp includes a base 1 and a transmission mechanism 2, a pressing mechanism 3 and a power mechanism 4 arranged on the base 1, the power mechanism 4 has a workpiece 5 to be welded arranged thereon, the workpiece 5 to be welded includes a magnetic conducting sleeve 51 and a core assembly 52, the magnetic conducting sleeve 51 is sleeved on the core assembly 52, the core assembly 52 has a welding part 521 and a positioning part 522, the positioning part 522 of the core assembly 52 is connected with the power mechanism 4, the pressing mechanism 3 is provided with a push rod 33, the pressing mechanism 3 drives the push rod 33 to move towards the core assembly 52 and abuts against the core assembly 52 to press the core assembly 52 on the power mechanism 4, the power mechanism 4 includes a power source 41 and a rotating unit 42, the workpiece 5 to be welded is connected with the rotating unit 42, one end of the power source 41 is connected with the rotating unit 42 and drives the rotating unit 42 to rotate, the transmission mechanism 2 is connected with the rotating unit 42 and the pressing mechanism 3 at both ends respectively, and the rotating unit 42 rotates to drive the pressing mechanism 3 to rotate through the transmission mechanism 2. In the embodiment, the power mechanism 4 and the pressing mechanism 3 play a role in ensuring the stability and accuracy of the workpiece 5 to be welded during the welding process, and ensuring that the size of the end face of the core shell of the workpiece 5 to be welded to the end face of the magnetic conducting sleeve 51 is 0.9-1mm. The design of the transmission mechanism 2 enables the power mechanism 4 and the pressing mechanism 3 to work coordinately, so as to maintain the stable state of the workpiece 5 to be welded during the welding process, avoiding welding defects caused by vibration or displacement.

[0025] Further, the rotating unit 42 includes an adjusting block 421 and a product seat 422, a rotating shaft is arranged between the power source 41 and the product seat 422, the power source 41 drives the product seat 422 to rotate through the rotating shaft, the core assembly 52 is fixed on the product seat 422, the adjusting block 421 is arranged between the magnetic conducting sleeve 51 and the product seat 422, and the adjusting block 421 adjusts the position of the magnetic conducting sleeve 51 on the core assembly 52. The power mechanism 4 in the embodiment can drive each component to rotate, and at the same time, the power mechanism 4 can also fix the product, which is an important part of the whole design. The adjusting block 421 is adjusted and fixed by adjusting the thickness thereof, and the overall position of the adjusting block 421 can be adjusted by adjusting the thickness of the adjusting block 421 in the product seat, so as to adjust the length of the workpiece 5 to be welded arranged on the upper end of the adjusting block 421 after being fixed and the position during processing, ensure that the size of the end face of the core to the end face of the magnetic conducting sleeve 51 is 0.9-1mm, and ensure the welding precision. The thickness of the adjusting block 421 is adjusted by raising or grinding the adjusting block 421, and in the embodiment, the adjusting block 421 is fixed with the product seat 422 through screws.

[0026] Further, the pressing mechanism 3 includes a cylinder 31, a bearing assembly 32, a push rod 33, and a pressing piece 34. The bearing assembly 32 includes a bearing seat 321, a pusher 322, and a bearing 323, which is arranged between the bearing seat 321 and the pusher 322. The bearing seat 321 is fixedly arranged with the cylinder 31, and the pusher 322 is rotatably arranged on the bearing seat 321. The pusher 322 is connected with the push rod 33, and the end of the push rod 33 away from the pusher 322 is connected with the pressing piece 34. The cylinder 31 drives the push rod 33 and the pressing piece 34 to move towards the core assembly 52 and press against the core assembly 52 to press the core assembly 52 on the power mechanism 4. The pressing mechanism 3 can extend the push rod 33 to press the welding part 521 of the workpiece 5 to be welded, and cooperate with the power mechanism 4 to fix and press the first and second ends of the workpiece 5 to be welded. The push rod 33 can be telescopic, which is convenient for taking out the workpiece 5 to be welded after processing. The pressing mechanism 3 has the same direction and size of rotating force as the power mechanism 4, which can press the product while avoiding displacement or wear caused by contact with different rotating forces or rotating forces with different speeds.

[0027] Further, the transmission mechanism 2 includes a transmission rod 21, synchronous wheels 22, and a synchronous belt 23. The synchronous wheels 22 include a first synchronous wheel 221, a second synchronous wheel 222, a third synchronous wheel 223, and a fourth synchronous wheel 224. The synchronous belt 23 is divided into a first synchronous belt 231 and a second synchronous belt 232. The first synchronous wheel 221 is fixed on the rotating unit 42 of the power mechanism 4. The second synchronous wheel 222 and the third synchronous wheel 223 are fixedly installed at the two ends of the transmission rod 21. The fourth synchronous wheel 224 is fixed on the push rod 33. The first synchronous belt 231 and the second synchronous belt 232 are arranged between the first synchronous wheel 221 and the second synchronous wheel 222 and between the third synchronous wheel 223 and the fourth synchronous wheel 224, respectively. The rotating unit 42 drives the first synchronous wheel 221 to rotate during rotation. The first synchronous wheel 221 transmits the power of the rotating unit 42 to the push rod 33 through the first synchronous belt 231, the second synchronous wheel 222, the transmission rod 21, the third synchronous wheel 223, the second synchronous belt 232, and the fourth synchronous wheel 224 in sequence, and drives the push rod 33 to rotate. In this embodiment, the transmission mechanism 2 effectively transmits the rotating motion of the power mechanism 4 to each component, ensuring the synchronous operation of the entire welding fixture. Through this design, the transmission mechanism 2 not only ensures uniform distribution of power, but also realizes high-precision synchronous rotation, which is crucial for the precision and efficiency of welding the core assembly 52. In addition, this layout of the transmission mechanism 2 can reduce mechanical wear and prolong the service life of the equipment.

[0028] Further, the base 1 is also provided with a rack 6, and the base 1 is obliquely arranged on the rack 6. The rack 6 can adjust the angle of the whole device.

[0029] Further, the product seat 422 is also provided with a fixed end 7, and the positioning part 522 of the workpiece 5 to be welded is connected with the fixed end 7. The fixed end 7 ensures the fixed connection between the workpiece 5 to be welded and the power mechanism 4, and ensures the stability and positioning accuracy of the workpiece 5 to be welded during welding. Through this design, welding defects caused by product movement or vibration during welding can be effectively prevented, thereby improving the welding quality.

[0030] Further, the power mechanism 4, the product seat 422, the workpiece 5 to be welded and the pressing mechanism 3 are coaxially arranged. In this embodiment, the coaxial design ensures the accuracy during processing.

[0031] The implementation principle of the clamp is that the workpiece 5 to be welded is rotated by the power mechanism 4, and the height is adjusted by the adjusting block 42 to ensure the accuracy of the processing of the workpiece 5 to be welded. Since the transmission mechanism 2 is respectively connected with the power mechanism 4 and the pressing mechanism 3 at both ends, the power mechanism 4 can drive the push rod 33 and the pressing part 34 on the pressing mechanism 3 to rotate. The cylinder 31 pushes the pressing part 34 and the push rod 33 to approach the workpiece 5 to be welded. The push rod 33 and the pressing part 34 rotate and press the iron core assembly 52 against the iron core assembly 52 to press the iron core assembly 52 on the power mechanism 4, and then the magnetic conducting sleeve 51 and the iron core assembly 52 on the workpiece 5 to be welded are processed and welded.

[0032] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A gas distribution valve solenoid core assembly welding fixture, comprising a base and a transmission mechanism, a pressing mechanism and a power mechanism arranged on the base, characterized in that: The power mechanism is provided with a workpiece to be welded, the workpiece to be welded comprises a magnetic sleeve and a core assembly, the magnetic sleeve is sleeved on the core assembly, the core assembly has a welding part and a positioning part, the positioning part of the core assembly is connected with the power mechanism, the pressing mechanism is provided with a push rod, the pressing mechanism drives the push rod to move towards the core assembly and abuts against the core assembly to press the core assembly on the power mechanism, the power mechanism comprises a power source and a rotating unit, the workpiece to be welded is connected with the rotating unit, one end of the power source is connected with the rotating unit and drives the rotating unit to rotate, the rotating unit and the pressing mechanism are respectively connected at two ends of the transmission mechanism, the push rod on the pressing mechanism is driven to rotate by the transmission mechanism in the rotating process of the rotating unit on the transmission mechanism.

2. A gas dispensing valve solenoid core assembly welding fixture according to claim 1, wherein: The rotating unit comprises an adjusting block and a product seat, a rotating shaft is arranged between the power source and the product seat, the power source drives the product seat to rotate through the rotating shaft, the core assembly is fixed on the product seat, the adjusting block is arranged between the magnetic sleeve and the product seat, and the adjusting block adjusts the position of the magnetic sleeve on the core assembly.

3. A gas dispensing valve solenoid core assembly welding fixture according to claim 2, wherein: The pressing mechanism comprises a cylinder, a bearing assembly, a push rod and a pressing piece, the bearing assembly comprises a bearing seat, a pusher and a bearing, the bearing is arranged between the bearing seat and the pusher, the bearing seat is fixedly arranged with the cylinder, the pusher is rotatably arranged on the bearing seat, the pusher is connected with the push rod, one end of the push rod away from the pusher is connected with the pressing piece, and the cylinder drives the push rod and the pressing piece to move towards the core assembly and abut against the core assembly to press the core assembly on the power mechanism.

4. The gas dispensing valve solenoid core assembly welding fixture of claim 1, wherein: The transmission mechanism comprises a transmission rod, synchronous wheels and a synchronous belt, the synchronous wheels comprise first, second, third and fourth synchronous wheels, the synchronous belt is divided into first and second synchronous belts, the first synchronous wheel is arranged on the rotating unit of the power mechanism, the second and third synchronous wheels are arranged at two ends of the transmission rod respectively, and the fourth synchronous wheel is arranged on the push rod, the first and second synchronous belts are arranged between the first synchronous wheel and the second synchronous wheel and between the third synchronous wheel and the fourth synchronous wheel respectively, the rotating unit drives the first synchronous wheel to rotate in the rotating process, and the first synchronous wheel sequentially transmits the power of the rotating unit to the push rod through the first synchronous belt, the second synchronous wheel, the transmission rod, the third synchronous wheel, the second synchronous belt and the fourth synchronous wheel, and drives the push rod to rotate.

5. A gas dispensing valve solenoid core assembly welding fixture according to claim 4, wherein: The base is also provided with a rack, and the base is obliquely arranged on the rack.

6. A gas dispensing valve solenoid core assembly welding fixture according to claim 2, wherein: The product seat is also provided with a fixed end, and the positioning part of the workpiece to be welded is connected into the fixed end of the product seat.

7. A gas dispensing valve solenoid core assembly welding fixture according to claim 2, wherein: The product seat, the workpiece to be welded and the pressing mechanism are coaxially arranged.

Images