Small piece laser welding device

Abstract

The utility model provides a small piece laser welding device which comprises a bottom plate and a cover plate which are matched with each other, a discharging area is arranged on the bottom plate, a plurality of welding through openings are formed in the discharging area, small piece fixing mechanisms are arranged in the welding through openings, and each small piece fixing mechanism comprises a clamping assembly and a bearing assembly which are embedded with each other. A material fixing mechanism is arranged on the periphery of the discharging area and comprises a fixed material stopping block located on one side and an elastic clamping assembly located on the other side. The bottom plate and the cover plate are detachably covered through a locking mechanism, and the locking mechanism comprises a locking rod arranged on the bottom plate and an elastic locking assembly arranged on the cover plate. Accurate small part fixing, flexible material fixing and clamping, convenient disassembly and assembly operation and reasonable structural design are combined, and high adaptability and practicability are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical technical field relates to a positioning fixture, especially a small piece of radium welding device. BACKGROUND

[0002] In the production process of mobile phone screen, the middle plate of mobile phone screen and the surrounding card hook (small piece) need to be assembled, and the middle plate needs to be attached to the small piece before laser welding. When positioning the middle plate and the card hook, a jig (welding jig) is used to position the product. However, the current jig design is very cumbersome and not convenient for jig transfer. The automatic line body has a large load and a reduced service life. The jig cost is high.

[0003] For example, Chinese patent document 202222290685.0 discloses a multi-position assembly fixing jig, which comprises a jig base, the upper surface of the jig base is provided with a main body positioning groove for placing the product main body; a jig cover plate is located above the jig base and is used to press the product main body tightly downwards; wherein the lower surface of the jig base and / or the upper surface of the jig cover plate is provided with a plurality of auxiliary part positioning grooves for placing the product auxiliary parts; the groove bottom of the auxiliary part positioning groove is provided with a hollow area communicating with the main body positioning groove; the auxiliary part positioning groove is provided with an auxiliary part elastic pressing assembly for clamping and fixing the product auxiliary parts. The multi-position assembly fixing jig can effectively solve the problem that the existing fixing jig can only fix the product main body and cannot fix the product auxiliary parts.

[0004] In the above technical solution, although various positioning structures for products are disclosed, the small parts are not clamped and fixed, and it is difficult to realize the alignment welding of small parts and products. In view of the actual problems of the existing mobile phone screen small part assembly welding jig, including but not limited to complex welding jig processing technology, high difficulty, long cycle, high weight, high cost, high manual labor intensity, poor jig versatility, unable to form high turnover, difficult to change machine, poor adaptability leading to poor production continuity and other problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at the above-mentioned problems existing in the prior art and provides a small piece radium welding device.

[0006] The utility model discloses a small piece rads welding device can be realized through the following technical schemes: a small piece rads welding device, including cooperation's bottom plate and cover plate, be provided with the material area on the bottom plate, be provided with a plurality of welding through -orifice in the material area, be provided with small piece fixed establishment in the welding through -orifice, small piece fixed establishment includes the clamping assembly and the support assembly of embedding, be provided with the material mechanism on the periphery of material area, the material mechanism includes the fixed blocking piece of one side and the elastic clamping assembly of the other side, the bottom plate with the cover plate form detachable cover through locking mechanism, the locking mechanism includes the locking rod of setting on the bottom plate and the elastic lock assembly of setting on the cover plate.

[0007] In the small piece rads welding device, the bottom plate is a rectangular plate body, the material area is a rectangular groove on the upper surface of the rectangular plate body, the rectangular groove has opposite X short sides one and two and opposite Y long sides one and two, the small piece fixed establishment is arranged on at least one of the X short sides one and two and the Y long sides one and two, the material mechanism is arranged on the outer periphery of the X short sides one and two and the Y long sides one and two, and the locking rod is arranged on the bottom plate outside the rectangular groove.

[0008] In the small piece rads welding device, the support assembly includes a support block arranged at the bottom of the welding through -orifice, a support cavity is concave on the support block, an avoiding hole is opened at the bottom of the support cavity, the clamping assembly includes a clamping block embedded in the support cavity, the clamping block has an installation cavity with an avoiding hole opened at the bottom, a small piece clamping opening is opened at the top of the installation cavity, an X clamping block is hinged in the installation cavity, the X clamping block has an X chuck towards the small piece clamping opening, an X spring is clamped between the X clamping block and the installation cavity, the X spring forms an elastic clamping thrust on the X chuck, a Y clamping block is hinged in the installation cavity, the Y clamping block has a Y chuck towards the small piece clamping opening, and a Y spring is clamped between the Y clamping block and the installation cavity. The Y spring forms an elastic clamping thrust on the Y chuck.

[0009] In the small piece rads welding device, the fixed blocking piece specifically includes an X fixed blocking piece located outside the X short side one and a Y fixed blocking piece located outside the Y long side one.

[0010] In the small radium welding device, the elastic clamping assembly includes X clamping modules on the two outer sides of the X short side and Y clamping modules on the two outer sides of the Y long side, the bottom plate is provided with X clamping holes and Y clamping holes, the X clamping module includes an X clamping plate fixed on the bottom surface of the bottom plate, the X clamping plate is provided with an X gear gap matched with the X clamping hole, an X clamping rod is hinged in the X clamping hole, an X fixed block is embedded in the bottom plate, an X compression spring is clamped between the X fixed block and the X clamping rod, an X rubber block is attached to the clamping surface of the X clamping rod, and the X compression spring forms an elastic clamping pushing force on the X rubber block.

[0011] In the small radium welding device, a through hole is formed in the bottom plate, the locking rod is inserted into the through hole, the bottom of the locking rod is fixed to the bottom plate by a screw, and a groove is formed in the top of the locking rod extending out of the through hole, and the groove is arranged towards the feeding area.

[0012] In the small radium welding device, the elastic locking assembly includes a locking block embedded in the bottom surface of the cover plate, a guide sliding groove is arranged on the locking block in the Y direction, a locking hole is formed in the Z direction of the locking block and communicated with the guide sliding groove, a locking block is slidingly arranged in the guide sliding groove, a locking spring is clamped between the inner end of the locking block and the cover plate, a hooking recess matched with the locking hole is recessed on the locking block, a locking protrusion is arranged on the inner wall of the hooking recess, and the locking rod is inserted into the locking hole and the hooking recess from bottom to top, so that the locking protrusion is embedded in the groove to form an elastic clamping.

[0013] In the small radium welding device, the locking protrusion is a trapezoidal block, the bottom surface of the locking protrusion is an upward inclined surface, the top surface of the locking protrusion is a downward inclined surface, the top of the groove is a hook head, the top surface of the hook head is a downward inclined slope, and the bottom surface of the hook head is an upward inclined slope, the downward inclined slope is connected with the upward inclined surface in a sliding manner, and the upward inclined slope is positioned against the downward inclined surface.

[0014] In the small radium welding device, a plurality of positioning rods are arranged on the top surface of the bottom plate, a plurality of positioning holes are formed in the bottom surface of the cover plate in a one-to-one correspondence, and the plurality of positioning rods are inserted into the plurality of positioning holes in a one-to-one correspondence.

[0015] In the small radium welding device, the two side edges of the bottom plate are symmetrically provided with handles.

[0016] Compared with the prior art, the small radium welding device has the following beneficial effects:

[0017] 1. High-efficiency and precise small part fixation: The combination of clamping assembly and supporting assembly is adopted. The clamping assembly can accurately clamp the X and Y edges of small parts through the spring thrust of X and Y clamping blocks, ensuring the stability of small parts during welding. Through this design, the position of small parts during welding is accurate and not easy to move, avoiding poor welding caused by vibration or external force. The supporting cavity and avoiding hole designed in the supporting block can fully expose the welding access after the small parts are fixed, and the clamping force of the small parts is elastic, which adapts to small parts of different specifications and increases the adaptability of the device.

[0018] 2. Flexible positioning mechanism: The material positioning mechanism includes fixed blocking material and elastic clamping assembly. The elastic clamping assembly provides stable and flexible clamping force through the design of X and Y direction clamping modules, which adapts to different sizes of middle plate products and prevents excessive compression while ensuring accurate positioning. The combination of material positioning mechanism and clamping assembly ensures accurate planar positioning of products even in high-frequency welding operations, ensuring the quality of welding effect.

[0019] 3. Simple disassembly and operation: The locking mechanism is designed to be simple and effective, and the cooperation of the locking rod and the elastic locking assembly can quickly disassemble the cover plate and the bottom plate, and ensure the stability of the locking through the spring thrust. The disassembly and assembly of the cover plate and the bottom plate are very convenient, which is conducive to the maintenance and adjustment of the equipment and improves the operation efficiency. The design of positioning rod and positioning hole further enhances the accuracy of the alignment of the cover plate and the bottom plate, avoiding the failure of the device function or the error of the welding position caused by inaccurate alignment.

[0020] 4. Flexible locking mechanism and elastic clamping: The design of locking protrusions and grooves through the inclined angle of the inclined surface can make the locking rod smoothly pass through the locking block and complete the elastic clamping. This design not only ensures the precise connection of the cover plate and the bottom plate, but also provides enough pressure when locking, ensuring the stability and reliability of the device during welding.

[0021] 5. Improve welding precision and efficiency: Through the precise small part fixation mechanism and high-efficiency positioning mechanism, the position of small parts during the entire welding process is not easy to change, which plays a key role in improving the precision and efficiency of welding. At the same time, appropriate clamping force and positioning structure design can minimize errors caused by unstable position during welding, improving welding quality and qualification rate.

[0022] Summary: This small radium welding device combines precise small parts fixing, flexible material positioning and clamping, convenient disassembly and assembly operation, and reasonable structure design, with high adaptability and practicality. In the radium welding operation of various small parts, it can provide efficient, accurate and stable welding effect, reduce the weight of the fixture, prolong the service life of the line body, and realize cost reduction and efficiency improvement at the same time. At the same time, it simplifies the operation process, improves the work efficiency, and through reasonable safety design, ensures the safety of the operation process. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a perspective view of the separation of the bottom plate and the cover plate of the small radium welding device.

[0024] Figure 2 It is a perspective view of the upper surface of the bottom plate in the small radium welding device.

[0025] Figure 3 It is a perspective view of the lower surface of the bottom plate in the small radium welding device.

[0026] Figure 4 It is a perspective view of the small part fixing mechanism in the small radium welding device.

[0027] Figure 5 It is an external perspective view of the clamping assembly in the small radium welding device.

[0028] Figure 6 It is an internal perspective view of the clamping assembly in the small radium welding device.

[0029] Figure 7 It is a perspective view of the X clamping module in the small radium welding device.

[0030] Figure 8 It is a perspective view of the Y clamping module in the small radium welding device.

[0031] Figure 9 It is a bottom plan view of the cover plate in the small radium welding device.

[0032] Figure 10 It is an assembly perspective view of the locking mechanism in the small radium welding device.

[0033] In the diagram: 1. Base plate; 2. Feeding area; 3. Support block; 4. Support cavity; 5. Clearance hole; 6. Clamping block; 7. Mounting cavity; 8. Small part clamping opening; 9. X clamping block; 10. X spring; 11. Y clamping block; 12. Y spring; 13. X fixed stop block; 14. Y fixed stop block; 15. X clamping plate; 16. X clamping rod; 17. X rubber block; 18. X fixed block; 19. X compression spring; 20. Y clamping plate; 21. Y clamping rod; 22. Y rubber block; 23. Y fixed block; 24. Y compression spring; 25. Positioning rod; 26. Locking rod; 27. Groove; 28. Hook; 29. ​​Handle; 30. Cover plate; 31. Positioning hole; 32. Locking block; 33. Locking hole; 34. Locking block; 35. Locking protrusion; 36. Locking spring. Detailed Implementation

[0034] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0035] like Figures 1 to 3 As shown, this small-part laser welding device includes a base plate 1 and a cover plate 30 that cooperate with each other. The base plate 1 is provided with a feeding area 2, and a plurality of welding ports are provided in the feeding area 2. A small-part fixing mechanism is provided in the welding ports. The small-part fixing mechanism includes a clamping component and a supporting component that fit together. A material fixing mechanism is provided around the periphery of the feeding area 2. The material fixing mechanism includes a fixed stop block on one side and an elastic clamping component on the other side. The base plate 1 and the cover plate 30 are detachably closed by a locking mechanism. The locking mechanism includes a locking rod 26 provided on the base plate 1 and an elastic locking component provided on the cover plate 30.

[0036] like Figure 2 As shown, the base plate 1 is a rectangular plate, and the material feeding area 2 is a rectangular groove on the upper surface of the rectangular plate. The rectangular groove has opposing X-short sides 1 and 2, and opposing Y-long sides 1 and 2. The small part fixing mechanism is arranged on at least one of the X-short sides 1, 2, 1, and 2. The material fixing mechanism is arranged on the outer periphery of the X-short sides 1, 2, 1, and 2. The locking rod 26 is arranged on the base plate 1 on the outer periphery of the rectangular groove. The shape and specifications of the rectangular groove are set according to the middle plate of the mobile phone screen to precisely embed the middle plate. The arrangement position and number of the small part fixing mechanism are set according to the position and number of small parts to be welded on the middle plate.

[0037] like Figures 2 to 6As shown, the supporting assembly includes a supporting block 3 arranged at the bottom of the welding throughway, a supporting cavity 4 is concavely arranged on the supporting block 3, an avoiding hole 5 is arranged at the bottom of the supporting cavity 4, the clamping assembly includes a clamping block 6 embedded in the supporting cavity 4, the clamping block 6 is provided with a mounting cavity 7 which is communicated with the avoiding hole 5 at the bottom, a small piece clamping opening 8 is arranged at the top of the mounting cavity 7, an X clamping block 9 is hingedly arranged in the mounting cavity 7, the X clamping block 9 is provided with an X clamping head towards the small piece clamping opening 8, an X spring 10 is arranged between the X clamping block 9 and the mounting cavity 7, the X spring 10 forms an elastic clamping thrust on the X clamping head, a Y clamping block 11 is hingedly arranged in the mounting cavity 7, the Y clamping block 11 is provided with a Y clamping head towards the small piece clamping opening 8, a Y spring 12 is arranged between the Y clamping block 11 and the mounting cavity 7, the Y spring 12 forms an elastic clamping thrust on the Y clamping head.

[0038] By arranging a hinged rod in the mounting cavity 7 to correspondingly realize the rotary connection of the X clamping block 9 or the Y clamping block 11, arranging a mounting hole in the mounting cavity 7, and arranging a mounting block outside the mounting hole, the X spring 10 or the Y spring 12 is arranged above the hinged rod to push the X clamping head or the Y clamping head.

[0039] The small piece is inserted into the small piece clamping opening 8 in the form of a gap, so that the X edge of the small piece is elastically clamped by the X clamping head, and the Y edge of the small piece is elastically clamped by the Y clamping head, and at the same time, the bottom end of the small piece is exposed through the mounting cavity 7 and the avoiding hole 5 to provide a welding space.

[0040] As shown in Figure 1 and 2 As shown, the fixed material blocking block specifically includes an X fixed material blocking block 13 located at one side of the X short edge, and a Y fixed material blocking block 14 located at one side of the Y long edge. Since the length of the X short edge is relatively short, one X fixed material blocking block 13 is arranged, and the length of the X fixed material blocking block 13 can be designed according to requirements; since the length of the Y long edge is relatively long, two Y fixed material blocking blocks 14 are arranged, and the length of the Y fixed material blocking block 14 can be designed according to requirements.

[0041] As shown in Figure 7 and 8As shown, the elastic clamping assembly includes X clamping modules on both outer sides of the X short side and Y clamping modules on both outer sides of the Y long side. The bottom plate 1 is provided with X clamping holes and Y clamping holes. The X clamping module includes an X clamping plate 15 fixed on the bottom surface of the bottom plate 1. The X clamping plate 15 is provided with an X gear notch corresponding to the X clamping hole. An X clamping rod 16 is hingedly connected in the X clamping hole. An X fixing block 18 is embedded in the bottom plate 1. An X compression spring 19 is clamped between the X fixing block 18 and the X clamping rod 16. An X rubber block 17 is attached to the clamping surface of the X clamping rod 16. The X compression spring 19 provides elastic clamping force to the X rubber block 17. The Y clamping module includes a Y clamping plate 20 fixed on the bottom surface of the bottom plate 1. The Y clamping plate 20 is provided with a Y gear notch corresponding to the Y clamping hole. A Y clamping rod 21 is hingedly connected in the Y clamping hole. A Y fixing block 23 is embedded in the bottom plate 1. A Y compression spring 24 is clamped between the Y fixing block 23 and the Y clamping rod 21. A Y rubber block 22 is attached to the clamping surface of the Y clamping rod 21. The Y compression spring 24 provides elastic clamping force to the Y rubber block 22.

[0042] The hinged rod is arranged in the clamping hole to realize the rotation connection of the X clamping rod 16 or the Y clamping rod 21. The mounting hole is arranged in the fixing block to arrange the X compression spring 19 or the Y compression spring 24 above the hinged rod to push the X clamping rod 16 or the Y clamping rod 21. The gear notch of the X clamping plate 15 or the Y clamping plate 20 stops the bottom end of the X clamping rod 16 or the Y clamping rod 21 to avoid excessive pushing by the elastic force.

[0043] The middle plate product is placed on the rectangular groove. One side X short side of the middle plate product abuts against the X fixed blocking block 13. The other side X short side is elastically clamped by the X rubber block 17. One side Y long side of the middle plate product abuts against the Y fixed blocking block 14. The other side Y long side is elastically clamped by the Y rubber block 22. Thus, the planar positioning of the middle plate product is realized.

[0044] As shown in Figure 1 , 2 and 9, the top surface of the bottom plate 1 is provided with a plurality of positioning rods 25. The bottom surface of the cover plate 30 is provided with a plurality of positioning holes 31 corresponding to the positioning rods 25. The positioning rods 25 and the positioning holes 31 are one-to-one corresponding and penetratingly matched. When the cover plate 30 covers the bottom plate 1, the positioning holes 31 one-to-one correspondingly sleeve the positioning rods 25 to realize the accurate positioning of the cover plate 30 and the bottom plate 1.

[0045] As shown in Figure 2 , a through hole is arranged in the bottom plate 1. The locking rod 26 is penetratingly matched in the through hole. The bottom of the locking rod 26 is fixed to the bottom plate 1 by a screw. The top of the locking rod 26 extending out of the through hole is provided with a groove 27. The groove 27 is arranged towards the feeding area 2.

[0046] As shown in Figure 9 and 10As shown, the elastic locking assembly includes a locking block 32 embedded in the bottom surface of the cover plate 30, a guide sliding channel is provided on the locking block 32 along the Y direction, a locking hole 33 is provided on the locking block 32 along the Z direction, a locking block 34 is slidingly arranged in the guide sliding channel, a locking spring 36 is clamped between the inner end of the locking block 34 and the cover plate 30, a hooking recess is concavely provided on the locking block 34 and can cooperate with the locking hole 33, a locking protrusion 35 is provided on the inner wall of the hooking recess, and the locking rod 26 is connected from bottom to top through the locking hole 33 and the hooking recess, so that the locking protrusion 35 is embedded in the groove 27 to form elastic clamping.

[0047] As shown in the drawings, Figure 10 The cover plate 30 is provided with an avoidance recess hole corresponding to the locking hole 33, so that the top end of the locking rod 26 can pass through the locking block 34 to provide space. The locking block 34 compresses the locking spring 36 to move to the appropriate position, so that the hooking recess is matched with the locking hole 33 to communicate, so that the locking rod 26 can be smoothly connected, and the locking block 34 is relaxed. The locking block 34 is pushed outward by the locking spring 36, and the locking protrusion 35 is embedded in the groove 27 to achieve clamping.

[0048] The locking protrusion 35 is a trapezoidal block, the bottom surface of the locking protrusion 35 is an upward inclined surface, the top surface of the locking protrusion 35 is a downward inclined surface, the top of the groove 27 is a hook 28, the top surface of the hook 28 is a downward inclined surface, and the bottom surface of the hook 28 is an upward inclined surface. The downward inclined surface and the upward inclined surface form a sliding connection, and the upward inclined surface and the downward inclined surface form an abutting positioning. By setting the inclined surface with an inclined angle, the locking rod 26 can easily push the locking block 34 to translate and smoothly pass through the hooking recess, and the locking protrusion 35 can easily enter the groove 27 to form elastic clamping.

[0049] As shown in the drawings, Figures 1 to 3 The two side edges of the bottom plate 1 are symmetrically provided with handles 29. The handles 29 can stably hold the bottom plate 1, so as to facilitate movement and loading operation.

[0050] The action process of the small part TIG welding device is as follows:

[0051] 1. Each small part is inserted into the small part clamping port 8, the X edge of the small part is elastically clamped by the X clamp, and the Y edge of the small part is elastically clamped by the Y clamp, so as to form fixation.

[0052] 2. The middle plate product is placed on the rectangular groove, one side X short edge of the middle plate product abuts against the X fixed blocking block 13, and the other side X short edge is elastically clamped by the X rubber block 17. One side Y long edge of the middle plate product abuts against the Y fixed blocking block 14, and the other side Y long edge is elastically clamped by the Y rubber block 22, so as to realize planar positioning of the middle plate product.

[0053] 3. Cover the bottom plate 1 with the cover plate 30, and connect the positioning rods 25 one by one through the positioning holes 31 to achieve precise alignment between the cover plate 30 and the bottom plate 1. At the same time, the locking rod 26 passes through the locking hole 33 and the hook lock recess from bottom to top. Through the inclined contact, it gradually forces the locking block 34 to compress the locking spring 36 and move it to the appropriate position, so that the hook head 28 of the locking rod 26 extends out of the hook lock recess. The locking spring 36 pushes the locking block 34 outward through its elastic force, and the locking protrusion 35 is embedded into the groove 27 to achieve a snap-fit, thus completing the locking of the cover plate 30 and the bottom plate 1.

[0054] 4. Then place the entire laser welding device in the laser welding machine, expose the small parts and the middle plate product through the mounting cavity 7 and the clearance hole 5, and perform welding operation using the laser welding equipment.

[0055] The specific embodiments described herein are merely illustrative examples of the spirit of this invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or substitute them with similar methods, without departing from the spirit of this invention or exceeding its defined scope. Although this invention has been detailed and described in the accompanying drawings and foregoing description, such descriptions are considered illustrative or exemplary rather than restrictive. It should be understood that changes and modifications can be made by those skilled in the art within the scope of the following claims. Specifically, this invention covers additional embodiments having any combination of features from the different embodiments described above. With regard to the use of the expressions "general" or "substantially," this patent application should be understood to disclose that the disclosure equally fully satisfies these features and values, i.e., without any of the foregoing characterizations as "general" or "substantially."

[0056] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. A small piece of radium welding device, comprising a bottom plate and a cover plate matched, the bottom plate is provided with a discharge area, characterized by, A plurality of welding through openings are arranged in the feeding area, a small part fixing mechanism is arranged in the welding through opening, the small part fixing mechanism comprises a clamping assembly and a supporting assembly which are embedded; a material positioning mechanism is arranged on the periphery of the feeding area, the material positioning mechanism comprises a fixed blocking block on one side and an elastic clamping assembly on the other side; the bottom plate and the cover plate are detachably combined through a locking mechanism, the locking mechanism comprises a locking rod arranged on the bottom plate and an elastic locking assembly arranged on the cover plate.

2. The small radium welding device of claim 1, wherein, The bottom plate is a rectangular plate body, the feeding area is a rectangular groove on the upper surface of the rectangular plate body, the rectangular groove has opposite X short sides and Y long sides, the small part fixing mechanism is arranged on at least one side of the X short side, the X short side, the Y long side and the Y long side, the material positioning mechanism is arranged on the outer periphery of the X short side, the X short side, the Y long side and the Y long side, and the locking rod is arranged on the bottom plate outside the rectangular groove.

3. The small radium welding device of claim 2, wherein, The supporting assembly comprises a supporting block arranged at the bottom of the welding through opening, a supporting cavity is concave arranged on the supporting block, an avoiding hole is opened at the bottom of the supporting cavity, the clamping assembly comprises a clamping block embedded in the supporting cavity, the clamping block has an installation cavity with an avoiding hole opened at the bottom, a small part clamping opening is opened at the top of the installation cavity, an X clamping block is hinged in the installation cavity, the X clamping block has an X clamping head facing the small part clamping opening, an X spring is clamped between the X clamping block and the installation cavity, the X spring forms an elastic clamping thrust on the X clamping head, a Y clamping block is hinged in the installation cavity, the Y clamping block has a Y clamping head facing the small part clamping opening, a Y spring is clamped between the Y clamping block and the installation cavity, and the Y spring forms an elastic clamping thrust on the Y clamping head.

4. The small radium welding device of claim 2, wherein, The fixed blocking block specifically comprises an X fixed blocking block on the outside of the X short side and a Y fixed blocking block on the outside of the Y long side.

5. The small radium welding device of claim 4, wherein, The elastic clamping assembly comprises an X clamping module on the outside of the X short side and a Y clamping module on the outside of the Y long side, X clamping holes and Y clamping holes are opened on the bottom plate, the X clamping module comprises an X clamping plate fixed on the bottom surface of the bottom plate, the X clamping plate is concave arranged with an X gear notch matched with the X clamping hole, an X clamping rod is hinged in the X clamping hole, an X fixed block is embedded in the bottom plate, an X compression spring is clamped between the X fixed block and the X clamping rod, an X rubber block is attached to the clamping surface of the X clamping rod, and the X compression spring forms an elastic clamping thrust on the X rubber block; the Y clamping module comprises a Y clamping plate fixed on the bottom surface of the bottom plate, the Y clamping plate is concave arranged with a Y gear notch matched with the Y clamping hole, a Y clamping rod is hinged in the Y clamping hole, a Y fixed block is embedded in the bottom plate, a Y compression spring is clamped between the Y fixed block and the Y clamping rod, a Y rubber block is attached to the clamping surface of the Y clamping rod, and the Y compression spring forms an elastic clamping thrust on the Y rubber block.

6. The small radium welding device of claim 1, wherein, A through hole is opened on the bottom plate, the locking rod is inserted into the through hole, the bottom of the locking rod is fixed to the bottom plate by a screw, a groove is concave arranged on the top of the through hole where the locking rod protrudes, and the groove is arranged towards the feeding area.

7. The small radium welding device of claim 6, wherein, The elastic locking assembly comprises a locking block embedded in the bottom surface of the cover plate, a guide sliding through groove is arranged on the locking block along the Y direction, a locking hole communicating with the guide sliding through groove is arranged on the locking block along the Z direction, a locking block is arranged in the guide sliding through groove in a sliding manner, a locking spring is arranged between the inner end of the locking block and the cover plate, a hook locking notch capable of cooperating with the locking hole is concavely arranged on the locking block, a locking convex block is arranged on the inner wall of the hook locking notch, and the locking rod is connected with the locking hole and the hook locking notch from bottom to top, so that the locking convex block is embedded in the groove to form an elastic clamping.

8. The small radium welding device of claim 7, wherein, The locking convex block is a trapezoidal block, the bottom surface of the locking convex block is an upward inclined surface, the top surface of the locking convex block is a downward inclined surface, the top of the groove is a hook head, the top surface of the hook head is a downward inclined slope surface, the bottom surface of the hook head is an upward inclined slope surface, the downward inclined slope surface and the upward inclined surface form a guide sliding connection, and the upward inclined slope surface and the downward inclined surface form an abutting positioning.

9. The small radium welding device of claim 1, wherein, A plurality of positioning rods are arranged on the top surface of the bottom plate, a plurality of positioning holes are correspondingly arranged on the bottom surface of the cover plate, and the plurality of positioning rods and the plurality of positioning holes are one-to-one correspondingly connected and matched.

10. The small radium welding device of claim 1, wherein, The two side edges of the bottom plate are symmetrically provided with handles.

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