Welding fixing device for electronic component manufacturing

Abstract

The invention relates to the technical field of electronic component welding, and discloses an electronic component manufacturing welding fixing device which comprises a containing box and further comprises a fixing unit arranged on the containing box. The fixing unit comprises an overturning positioning part arranged on the containing box and a clamping part arranged on the overturning positioning part, and the overturning positioning part comprises a structural assembly arranged on the containing box, an overturning assembly arranged on the structural assembly and a clamping assembly arranged on the structural assembly. According to the electronic component manufacturing, welding and fixing device, by lifting the overturning plate upwards, the sliding rod slides in the bottom vertical groove, the V-shaped groove, the steering groove and the top vertical groove, under the action of the bottom vertical groove, the V-shaped groove, the steering groove and the top vertical groove, the overturning plate can be overturned by 180 degrees, welding is facilitated, meanwhile, adjustment is also facilitated, the welding steps of operators are reduced, and the welding efficiency is improved. And the welding efficiency is improved, so that the welding between the electronic component and the circuit board is more stable.

Description

Technical Field

[0001] The invention relates to the technical field of electronic component welding, and in particular to a welding and fixing device for manufacturing electronic components. Background Art

[0002] The welding of electronic components is an important technology in the electronics manufacturing industry, which involves the connection between electronic components and circuit boards. Manual soldering is one of the most common welding methods, which is suitable for connecting electronic components and circuit boards through solder and solder paste. The operator uses solder wire or solder rod, heats the solder, and then applies it to the pins of the electronic components and the pads of the circuit board to be connected. However, the existing technology still has the following defects: When existing electronic components are soldered to circuit boards, they are all soldered one by one, and one-time batch soldering cannot be achieved at the same time. When performing manual soldering, first, the operator needs to insert the pins of the electronic components into the holes of the circuit board, then hold the end of the electronic component away from the pins with his hand, turn the circuit board over and place it on the soldering table, support the electronic components through the soldering table, and then the operator holds the welding gun in one hand and the solder wire in the other hand to solder the electronic components to the circuit board. After the operation is completed, the operator needs to flip the circuit board again, insert the pins of other electronic components into the holes of the circuit board, and then repeat the above soldering operation. The operator needs to repeatedly flip the circuit board and then insert the electronic components into the holes of the circuit board. The welding speed is slow, the operation is cumbersome, and the welding efficiency is low. Moreover, after the electronic components are inserted into the holes of the circuit board, the circuit board is turned over. Since the electronic components are of different sizes, if the larger electronic components are soldered on the circuit board first, when the circuit board is placed on the soldering table, because the flatness of the soldering table is the same everywhere, the larger electronic components will prop up the circuit board, causing the pins of the smaller electronic components to directly slide out of the holes, making it impossible to solder electronic components of different sizes at the same time. Summary of the invention

[0003] In view of the problems of slow welding speed in the prior art, inability to realize simultaneous one-time welding of various electronic components, and low welding efficiency, a welding and fixing device for manufacturing electronic components is proposed.

[0004] The present application provides a welding and fixing device for manufacturing electronic components, the purpose of which is to increase the welding speed, improve the welding efficiency, and realize the simultaneous one-time welding of electronic components.

[0005] The technical solution of the present invention is: an electronic component manufacturing welding and fixing device, comprising a placement box and a fixing unit arranged on the placement box; The fixing unit includes a flip positioning component arranged on the placement box, and a clamping component arranged on the flip positioning component, and the flip positioning component includes a structural component arranged on the placement box, a flip component arranged on the structural component, and a clamping component arranged on the structural component; The structural assembly includes a plurality of symmetrically distributed fixed blocks fixedly connected to the placement box, first support rods respectively fixedly connected to two of the fixed blocks, second support rods respectively fixedly connected to the other two fixed blocks, a first sliding bar slidably connected to the two first support rods, a second sliding bar slidably connected to the two second support rods, a flip plate rotatably connected between the first sliding bar and the second sliding bar, a fixed frame fixedly connected to the flip plate, and a sponge pad fixedly connected to the fixed frame.

[0006] Furthermore, the flip assembly includes two symmetrically distributed connecting shafts fixedly connected to the flip plate, the two connecting shafts are respectively rotatably connected to the first sliding bar and the second sliding bar, connecting rods respectively fixedly connected to the two second support rods, a cross plate fixedly connected between the two connecting rods, a bottom vertical groove opened on the cross plate, a V-shaped groove opened on the cross plate at the top of the bottom vertical groove, a steering groove opened on the cross plate at one side of the V-shaped groove, a top vertical groove opened on the cross plate at the top of the V-shaped groove, the bottom vertical groove, the V-shaped groove, the steering groove and the top vertical groove are connected to each other, a connecting plate fixedly connected to one of the connecting shafts, a sliding rod fixedly connected to the connecting plate, an end of the sliding rod away from the connecting plate is slidably connected to the bottom vertical groove, the V-shaped groove, the steering groove and the inner side of the top vertical groove, respectively, two symmetrically distributed avoidance holes opened on the second sliding bar, and the connecting rod is slidably connected to the inner side of the avoidance hole.

[0007] Furthermore, the clamping assembly includes a clamping tube that is movably mounted on the two first support rods, the two clamping tubes are fixedly connected to the first sliding bar, a spherical clamping block that is fixedly connected to the two first support rods, a plurality of first movable cavities that are symmetrically distributed and opened on the clamping tube, a clamping rod that is slidably connected in the first movable cavity, a clamping spring that is fixedly connected between the clamping rod and the inner wall of the first movable cavity, a first inclined surface opened at the bottom of the clamping rod, a second inclined surface opened at the top of the clamping rod, and the second inclined surface is slidably connected to the spherical surface of the spherical clamping block.

[0008] Furthermore, the flip positioning component also includes an unlocking component arranged on the structural component, and the unlocking component includes a limit plate fixedly connected to the top of the two first support rods, respectively, a moving block movably sleeved on the two first support rods, a return spring fixedly connected between the limit plate and the moving block, the return spring is sleeved on the first support rod, a circular groove is opened on the top of the spherical clamping block, a bottom inclined surface is opened at the bottom of the moving block, and a top inclined surface is opened at the top of the moving block, the bottom inclined surface is slidably connected to the inner side of the circular groove, the second inclined surface is slidably connected to the bottom inclined surface, and the first inclined surface is slidably connected to the top inclined surface.

[0009] Further, the clamping component includes a clamping assembly arranged on the flip plate, a one-way rotating assembly arranged at one end of the clamping assembly, and an adjusting assembly arranged in the clamping assembly; The clamping assembly comprises two symmetrically distributed mounting blocks fixedly connected to the flip plate, a rotating sleeve rotatably connected between the two mounting blocks, and two symmetrically distributed end face cams limitedly slidably connected to the rotating sleeve.

[0010] Furthermore, the one-way rotating component includes a ratchet gear fixedly connected to one end of the rotating sleeve, a fixed plate fixedly connected to the placement box, a plurality of second movable cavities symmetrically distributed and opened on the fixed plate, a moving bar slidably connected to the inner side of the second movable cavity, a compression spring fixedly connected between the moving bar and the second movable cavity, a third inclined surface opened on the moving bar, a plurality of moving bars meshingly connected to the ratchet gear, and the third inclined surface is slidably connected to one end of the ratchet teeth of the ratchet gear.

[0011] Furthermore, the adjustment assembly includes a first bidirectional threaded rod rotatably connected to the inner side of the rotating sleeve, two symmetrically distributed nuts threadedly connected to the outer side of the first bidirectional threaded rod, two symmetrically distributed guide blocks fixedly connected to the nuts, two symmetrically distributed guide holes opened at both ends of the rotating sleeve, the guide blocks are slidably connected to the inner sides of the guide holes, the guide blocks are fixedly connected to the end face cam, and a hand wheel is fixedly connected to one end of the first bidirectional threaded rod.

[0012] Furthermore, it also includes a supporting assembly arranged in the placement box, the supporting assembly includes a bar groove opened in the placement box, a second bidirectional threaded rod rotatably connected to the inner side of the bar groove, two symmetrically distributed sliding blocks threadedly connected to the second bidirectional threaded rod, the two sliding blocks are both slidably connected to the inner side of the bar groove, an L-shaped supporting block fixedly connected to the two sliding blocks, and a rocker rotatably connected to one side of the placement box, one end of the rocker extends to the inner side of the bar groove and is fixedly connected to one end of the second bidirectional threaded rod.

[0013] Beneficial effects of the present invention: 1. By lifting the flip plate upward, the sliding rod slides in the bottom vertical groove, V-shaped groove, steering groove and top vertical groove. Under the action of the bottom vertical groove, V-shaped groove, steering groove and top vertical groove, the flip plate can be flipped 180 degrees, which is convenient for welding and adjustment, reducing the welding steps of the operator, improving the welding efficiency, and making the welding between the electronic components and the circuit board more stable; 2. When the flip plate moves upward, the clamping tube is driven to move upward. Under the action of the clamping rod, the clamping tube is clamped on the spherical clamping block to position the clamping tube and the flip plate. When the clamping tube moves upward again, the clamping rod clamps the moving block, driving the moving block to move downward and enter the circular groove, so that the clamping rod can move from the moving block to the spherical clamping block, so that the clamping tube falls off the spherical clamping block, and the flip plate can move downward, making the welding process smoother. It not only plays a positioning role when welding the circuit board, but also can be repeatedly operated to weld the circuit board; 3. By rotating the rotating sleeve, the two end cams are driven to rotate to clamp the circuit board. By rotating the hand wheel, the first bidirectional threaded rod is driven to rotate. Under the action of the guide block and the guide hole, the end cams slide relative to or opposite to each other on the rotating sleeve, and then the distance between the two end cams can be adjusted to adapt to the clamping of circuit boards of different sizes, ensuring that electronic components will not slip off the circuit board during welding, making it convenient to weld electronic components. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure from the first viewing angle of the present invention.

[0015] Figure 2 It is a schematic diagram of the three-dimensional structure from a second viewing angle of the present invention.

[0016] Figure 3 It is a schematic diagram of the local structure of the structural components of the present invention.

[0017] Figure 4 It is a schematic diagram of the structure of the flip assembly of the present invention.

[0018] Figure 5 It is a schematic diagram of the partial structure of the flip assembly of the present invention.

[0019] Figure 6 It is a schematic diagram of the structure of the clamping assembly of the present invention.

[0020] Figure 7 It is a schematic diagram of the unlocking component structure of the present invention.

[0021] Figure 8 It is a schematic diagram of the structure of the clamping assembly of the present invention.

[0022] Fig. 9It is a schematic diagram of the structure of the one-way rotating component of the present invention.

[0023] Fig.10 It is a schematic diagram of the structure of the regulating component of the present invention.

[0024] Fig.11 It is a schematic diagram of the support assembly structure of the present invention.

[0025] Fig.12 It is a schematic diagram of the local structure of the support assembly of the present invention.

[0026] In the figure: 1. Placement box; 2. Structural component; 21. Fixed block; 22. First support rod; 23. First sliding bar; 24. Second support rod; 25. Second sliding bar; 26. Turning plate; 27. Sponge pad; 28. Fixed frame; 3. Turning component; 31. Cross plate; 32. Connecting plate; 33. Sliding rod; 34. Bottom vertical groove; 35. Top vertical groove; 36. Connecting shaft; 37. Avoidance hole; 38. Connecting rod; 39. V-shaped groove; 310. Steering groove; 4. Snap-fit ​​component; 41. Snap-fit ​​cylinder; 42. Spherical snap-fit ​​block; 43. First movable cavity; 44. Snap-fit ​​spring; 45. First inclined plane; 46. Second inclined plane; 47. Snap-fit ​​rod; 5. Unlocking assembly; 51. circular groove; 52. moving block; 53. top bevel; 54. bottom bevel; 55. limit plate; 56. reset spring; 6. clamping assembly; 61. rotating sleeve; 62. end cam; 63. mounting block; 7. one-way rotating assembly; 71. ratchet gear; 72. fixing plate; 73. compression spring; 74. second movable chamber; 75. moving bar; 76. third bevel; 8. adjusting assembly; 81. first bidirectional threaded rod; 82. guide hole; 83. guide block; 84. nut; 85. turning hand wheel; 9. supporting assembly; 91. rocker; 92. L-shaped supporting block; 93. strip groove; 94. second bidirectional threaded rod; 95. sliding block. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0028] Example 1, reference Figure 1-Figure 3, which is the first embodiment of the present invention, provides an electronic component manufacturing welding fixture, including a placement box 1, and also including a fixing unit installed on the placement box 1; the fixing unit includes a flip positioning component installed on the placement box 1, and a clamping component installed on the flip positioning component, the flip positioning component includes a structural component 2 installed on the placement box 1, a flip component 3 installed on the structural component 2, and a clamping component 4 installed on the structural component 2; the structural component 2 includes a plurality of fixed blocks 21 fixedly connected to the placement box 1 and symmetrically distributed, first support rods 22 respectively fixedly connected to two of the fixed blocks 21, second support rods 24 respectively fixedly connected to the other two fixed blocks 21, a first sliding bar 23 slidably connected to the two first support rods 22, a second sliding bar 25 slidably connected to the two second support rods 24, a flip plate 26 rotatably connected between the first sliding bar 23 and the second sliding bar 25, a fixing frame 28 fixedly connected to the flip plate 26, and a sponge pad 27 fixedly connected to the fixing frame 28.

[0029] Specifically, when in use, the circuit board is placed in the placement box 1, all the electronic components are inserted on the circuit board, the circuit board is fixed by the fixing unit, the first support rod 22 and the second support rod 24 are supported by the fixing block 21, and the flip plate 26 is pressed downward, so that the first sliding bar 23 and the second sliding bar 25 slide on the first support rod 22 and the second support rod 24 respectively, driving the fixing frame 28 and the sponge pad 27 to move to one side of the circuit board, and the sponge pad 27 will press on the electronic components on the top of the circuit board, so that the pins on the electronic components extend from the holes on the circuit board. In the process of pressing the flip plate 26 downward, under the action of the clamping component, the circuit The plate is clamped and fixed, and then the flip plate 26 is moved upward. Under the action of the flip assembly 3, the flip plate 26 is rotated 180 degrees, which in turn drives the circuit board to rotate 180 degrees, so that the pins of the electronic components on the circuit board face upward. Under the action of the sponge pad 27, all electronic components can be supported, so that smaller electronic components will not slip off the circuit board. Under the action of the clamping assembly 4, the flip plate 26 is fixed, and then the operator holds the welding gun in one hand and the solder bar in the other hand to solder the electronic components to the circuit board, which reduces the operator's welding steps, improves welding efficiency, and makes the welding between the electronic components and the circuit board more stable.

[0030] Reference Figure 3 and Figure 4The flip assembly 3 includes two symmetrically distributed connecting shafts 36 fixedly connected to the flip plate 26, the two connecting shafts 36 are rotatably connected to the first sliding bar 23 and the second sliding bar 25, respectively, connecting rods 38 fixedly connected to the two second support rods 24, a cross plate 31 fixedly connected between the two connecting rods 38, a bottom vertical groove 34 provided on the cross plate 31, a V-shaped groove 39 provided on the cross plate 31 and located at the top of the bottom vertical groove 34, a steering groove 310 provided on the cross plate 31 and located on one side of the V-shaped groove 39, and a cross plate 31 provided on the cross plate The top vertical groove 35 located at the top of the V-shaped groove 39 on 31, the bottom vertical groove 34, the V-shaped groove 39, the steering groove 310 and the top vertical groove 35 are connected to each other, a connecting plate 32 is fixedly connected to one of the connecting shafts 36, and a sliding rod 33 is fixedly connected to the connecting plate 32. The end of the sliding rod 33 away from the connecting plate 32 is respectively slidably connected to the bottom vertical groove 34, the V-shaped groove 39, the steering groove 310 and the inner side of the top vertical groove 35. Two avoidance holes 37 symmetrically distributed are opened on the second sliding bar 25, and the connecting rod 38 is slidably connected to the inner side of the avoidance hole 37.

[0031] Specifically, in the process of moving the flip plate 26 upward, the first sliding bar 23 and the second sliding bar 25 slide on the first support rod 22 and the second support rod 24 respectively. Under the action of the avoidance hole 37, it is convenient for the connecting rod 38 to pass through the avoidance hole 37, so that the second sliding bar 25 slides on the second support rod 24, driving the connecting shaft 36 to move, driving the connecting plate 32 and the sliding rod 33 to move, so that one end of the sliding rod 33 slides upward on the inner side of the bottom vertical groove 34, and when the sliding rod 33 slides to the inner side of the V-shaped groove 39, under the action of the bottom of the V-shaped groove 39, the sliding rod 33 rotates 90 degrees, driving the connecting plate 32 and the connecting shaft 36 to rotate 90 degrees, so that the flip plate 26 rotates 90 degrees, and the flip plate 26 continues to move upward, so that the sliding rod 33 slides from the bottom of the V-shaped groove 39 to In the steering groove 310, under the action of the steering groove 310, the sliding rod 33 slides to the top of the V-shaped groove 39, and slides from the top of the V-shaped groove 39 to the top vertical groove 35, so that the sliding rod 33 rotates another 90 degrees, driving the connecting plate 32 and the connecting shaft 36 to rotate 90 degrees, so that the flip plate 26 rotates 90 degrees. In the process of the flip plate 26 moving upward, under the action of the bottom vertical groove 34, the V-shaped groove 39, the steering groove 310 and the top vertical groove 35, the flip plate 26 rotates 180 degrees, just making the pins of the electronic components on the clamped circuit board face upward, which is convenient for welding the electronic components, and convenient for continuously inserting all the electronic components on the circuit board, and then all the electronic components are welded uniformly, which not only has high operating efficiency, but also makes the welding between the circuit board and the electronic components more firm.

[0032] Reference Figure 6 and Figure 7The clamping assembly 4 includes a clamping tube 41 movably mounted on the two first support rods 22, the two clamping tubes 41 are fixedly connected to the first sliding bar 23, spherical clamping blocks 42 fixedly connected to the two first support rods 22, a plurality of first active cavities 43 symmetrically distributed and opened on the clamping tube 41, a clamping rod 47 slidably connected in the first active cavity 43, a clamping spring 44 fixedly connected between the clamping rod 47 and the inner wall of the first active cavity 43, a first inclined surface 45 opened at the bottom of the clamping rod 47, a second inclined surface 46 opened at the top of the clamping rod 47, and the second inclined surface 46 is slidably connected to the spherical surface of the spherical clamping block 42.

[0033] Specifically, when the flip plate 26 moves upward, the first sliding bar 23 moves upward on the first support rod 22, driving the clamping tube 41 to slide upward on the first support rod 22, driving the clamping rod 47 to move upward. When one end of the clamping rod 47 hits the spherical clamping block 42, under the action of the spherical surface of the spherical clamping block 42, the second inclined surface 46 on the clamping rod 47 slides on the spherical surface of the spherical clamping block 42, so that the clamping rod 47 slides toward the inside of the first active cavity 43, compressing the clamping spring 44. When the clamping rod 47 moves upward along the spherical surface of the spherical clamping block 42 to the top of the spherical clamping block 42, the clamping spring 44 is reset, so that the clamping rod 47 slides to the outside of the first movable cavity 43, and under the action of the spherical clamping block 42, the clamping rod 47 is limited, and then the clamping tube 41 is limited, the first sliding bar 23 is limited, and the flip plate 26 is limited, so that when the electronic components on the circuit board are welded, the circuit board will not move downward, making the welding process smoother.

[0034] Reference Figure 7 The flip positioning component also includes an unlocking component 5 installed on the structural component 2, and the unlocking component 5 includes a limit plate 55 fixedly connected to the top of the two first support rods 22, a moving block 52 movably sleeved on the two first support rods 22, a return spring 56 fixedly connected between the limit plate 55 and the moving block 52, and the return spring 56 is sleeved on the first support rod 22, a circular groove 51 opened at the top of the spherical clamping block 42, a bottom inclined surface 54 opened at the bottom of the moving block 52, and a top inclined surface 53 opened at the top of the moving block 52. The bottom inclined surface 54 is slidably connected to the inner side of the circular groove 51, the second inclined surface 46 is slidably connected to the bottom inclined surface 54, and the first inclined surface 45 is slidably connected to the top inclined surface 53.

[0035] Specifically, after all the electronic components on the circuit board are soldered, the circuit board is removed from the device, and the flip plate 26 is continuously pushed to move upward, so that the first sliding bar 23 slides upward on the first supporting rod 22, driving the clamping cylinder 41 to move upward, driving the clamping rod 47 to move upward, so that the second inclined surface 46 slides on the bottom inclined surface 54, and the clamping rod 47 slides into the first active cavity 43, compressing the clamping spring 44, and the clamping cylinder 41 continues to move upward, driving the clamping rod 47 to move upward, so that the first ... The surface 45 slides on the top inclined surface 53, so that the clamping rod 47 moves to the top of the moving block 52, and the clamping spring 44 is reset, so that the clamping rod 47 moves to the outside of the first movable cavity 43, clamps the moving block 52, and then pushes the flip plate 26 downward, so that the first sliding bar 23 slides downward on the first support rod 22, so that the clamping tube 41 moves downward on the first support rod 22, and under the action of the clamping rod 47, the moving block 52 is driven to slide downward on the first support rod 22, and under the action of the limit plate 55, the reset spring 56 is pulled The bottom inclined surface 54 is extended so that the bottom inclined surface 54 enters the circular groove 51, so that the moving block 52 is spliced ​​with the spherical clamping block 42. When the clamping cylinder 41 moves downward, the clamping rod 47 is driven to move downward, so that the first inclined surface 45 slides downward on the top inclined surface 53, and then the clamping rod 47 slides to the spherical surface of the spherical clamping block 42 and slides down from the spherical clamping block 42, so that the clamping cylinder 41 is separated from the spherical clamping block 42, and the flip plate 26 is pushed downward, so that the second sliding bar 25 slides downward on the second support rod 24, so that the sliding rod 3 After passing through the top vertical groove 35, the top of the V-shaped groove 39, the turning groove 310, the bottom of the V-shaped groove 39 and the bottom vertical groove 34, the sliding rod 33 is reversely rotated 180 degrees under the action of the top vertical groove 35, the top of the V-shaped groove 39, the turning groove 310, the bottom of the V-shaped groove 39 and the bottom vertical groove 34, so that the flip plate 26 is reversely rotated 180 degrees, so that the sponge pad 27 is rotated to the bottom of the flip plate 26, so as to prepare for the next circuit board welding, which not only plays a role in positioning the circuit board during welding, but also can repeat the operation to weld the circuit board.

[0036] Example 2, reference Figure 8-Figure 10 , which is the second embodiment of the present invention, which is different from the first embodiment in that: the clamping component includes a clamping assembly 6 installed on the flip plate 26, a one-way rotating assembly 7 installed at one end of the clamping assembly 6, and an adjusting assembly 8 installed in the clamping assembly 6; the clamping assembly 6 includes two symmetrically distributed mounting blocks 63 fixedly connected to the flip plate 26, a rotating sleeve 61 rotatably connected between the two mounting blocks 63, and two symmetrically distributed end face cams 62 limitedly slidably connected to the rotating sleeve 61.

[0037] Specifically, place the circuit board in the placement box 1, press the flip plate 26 downward, drive the fixing frame 28 and the sponge pad 27 to move downward, the sponge pad 27 will squeeze the electronic components on the circuit board and press the electronic components tightly. After the electronic components are pressed tightly, rotate the rotating sleeve 61 to drive the two end face cams 62 to rotate. Under the action of the two end face cams 62, the two sides of the circuit board are clamped to fix the circuit board. After the circuit board is welded, rotate the rotating sleeve 61 to drive the end face cams 62 to rotate so that the convex surface of the end face cams 62 is away from the circuit board, which is convenient for removing the circuit board. After the sponge pad 27 presses the electronic components tightly, under the action of the two end face cams 62, the circuit board is clamped so that the sponge pad 27 presses the electronic components, ensuring that the electronic components will not slip off the circuit board during welding, making the welding of the circuit board and the electronic components more stable.

[0038] Reference Figure 8 and Fig. 9 The one-way rotating component 7 includes a ratchet gear 71 fixedly connected to one end of the rotating sleeve 61, a fixed plate 72 fixedly connected to the placement box 1, a plurality of second movable cavities 74 symmetrically distributed and opened on the fixed plate 72, a moving bar 75 slidably connected to the inner side of the second movable cavity 74, a compression spring 73 fixedly connected between the moving bar 75 and the second movable cavity 74, a third inclined surface 76 opened on the moving bar 75, a plurality of moving bars 75 meshingly connected to the ratchet gear 71, and the third inclined surface 76 is slidably connected to one end of the ratchet teeth of the ratchet gear 71.

[0039] Specifically, when the flip plate 26 moves downward, it drives the ratchet gear 71 to move downward. Since the plurality of moving bars 75 are meshed and connected with the ratchet gear 71, when the ratchet gear 71 moves downward, under the action of the plurality of moving bars 75, the ratchet gear 71 rotates clockwise, thereby driving the rotating sleeve 61 to rotate. When the flip plate 26 moves upward, it drives the ratchet gear 71 to move upward. At this time, under the action of the third inclined surface 76, the third inclined surface 76 slides on one end of the ratchet tooth, causing the moving bar 75 to slide into the second active cavity 74, compressing the compression spring 73. When the compression spring 73 is reset, , the moving bar 75 is driven to move out of the second movable cavity 74, so that when the ratchet gear 71 moves downward, the ratchet gear 71 rotates under the action of multiple moving bars 75, and when the ratchet gear 71 moves upward, the ratchet gear 71 does not rotate under the action of multiple moving bars 75 and the compression spring 73, so that when the flip plate 26 moves downward, when the sponge pad 27 presses the electronic components tightly, the two end face cams 62 clamp the circuit board, and when the flip plate 26 moves upward, the two end face cams 62 continue to clamp the circuit board, which is convenient for welding the electronic components on the circuit board. The rest of the structure is the same as that of Example 1.

[0040] Example 3, reference Fig.10, which is the third embodiment of the present invention. This embodiment is different from the second embodiment in that: the adjustment component 8 includes a first bidirectional threaded rod 81 rotatably connected to the inner side of the rotating sleeve 61, two nuts 84 symmetrically distributed and threadedly connected to the outer side of the first bidirectional threaded rod 81, two symmetrically distributed guide blocks 83 fixedly connected to the nuts 84, two symmetrically distributed guide holes 82 opened at both ends of the rotating sleeve 61, the guide blocks 83 are slidably connected to the inner sides of the guide holes 82, the guide blocks 83 are fixedly connected to the end face cam 62, and a rotating hand wheel 85 is fixedly connected to one end of the first bidirectional threaded rod 81.

[0041] Specifically, the sponge pad 27 and the fixing frame 28 can be bonded and fixed by Velcro. When welding circuit boards of different sizes, the sponge pads 27 of different sizes can be replaced according to the size of the circuit boards, and then the turning hand wheel 85 is turned to adjust the distance between the two end face cams 62 to clamp the circuit boards of different sizes. The turning hand wheel 85 is turned to drive the first bidirectional threaded rod 81 to rotate, so that the two nuts 84 slide relative to or away from each other on the outside of the first bidirectional threaded rod 81 under the action of the guide block 83 and the guide hole 82, thereby driving the two end face cams 62 to slide relative to or away from each other on the outside of the rotating sleeve 61, thereby facilitating the adjustment of the distance between the two end face cams 62 and clamping the circuit boards of different sizes.

[0042] Reference Fig.11 and Fig.12 , a support assembly 9 installed in the placement box 1, the support assembly 9 includes a bar groove 93 opened in the placement box 1, a second bidirectional threaded rod 94 rotatably connected to the inner side of the bar groove 93, two symmetrically distributed sliding blocks 95 threadedly connected to the second bidirectional threaded rod 94, both sliding blocks 95 are slidably connected to the inner side of the bar groove 93, L-shaped support blocks 92 respectively fixedly connected to the two sliding blocks 95, and a rocker 91 rotatably connected to one side of the placement box 1, one end of the rocker 91 extends to the inner side of the bar groove 93 and is fixedly connected to one end of the second bidirectional threaded rod 94.

[0043] Specifically, the circuit board is placed in the placement box 1, and the two L-shaped support blocks 92 support both sides of the circuit board, so that the sponge pad 27 can press and clamp the circuit board, and the rocker 91 can be rotated to adjust the distance between the two L-shaped support blocks 92 to adapt to the support of circuit boards of different sizes. The rocker 91 is rotated to drive the second bidirectional threaded rod 94 to rotate, and under the action of the strip groove 93, the two sliding blocks 95 slide relative to or back to each other on the second bidirectional threaded rod 94, driving the two L-shaped support blocks 92 to slide relative to or back to each other, thereby adjusting the distance between the two L-shaped support blocks 92. When supporting a larger circuit board, the distance between the two L-shaped support blocks 92 is adjusted to be farther, and when supporting a smaller circuit board, the distance between the two L-shaped support blocks 92 is adjusted to be closer. The rest of the structure is the same as that of Example 2.

[0044] In summary, the working principle of the present invention is as follows: when in use, the flip plate 26 is lifted, so that the first sliding bar 23 slides upward on the first support rod 22, driving the clamping tube 41 to move upward, and the clamping tube 41 is clamped by the clamping assembly 4 to limit the flip plate 26. At this time, under the action of the flip assembly 3, the flip plate 26 is flipped 180 degrees, and the sponge pad 27 is facing upward. According to the size of the circuit board to be welded, the distance between the two end face cams 62 is adjusted by adjusting the assembly 8 to adapt to circuits of different sizes. For welding of the circuit board, the circuit board is placed in the placement box 1, and the two sides of the circuit board are supported by two L-shaped support blocks 92, and the distance between the two L-shaped support blocks 92 can be adjusted to adapt to circuit boards of different sizes, and then the electronic components are inserted into the holes of the circuit board. When the electronic components are fully inserted on the circuit board, the flip plate 26 is pushed upward, and the clamping tube 41 is unlocked under the action of the unlocking component 5, so that the clamping tube 41 can move downward. When the sponge pad 27 is attached to the electronic components on the circuit board, the flip plate 26 is pushed downward to make the clamping tube 41 move downward. The sponge pad 27 is pressed against the electronic components, and the circuit board is clamped under the action of the clamping assembly 6. At the same time, the sponge pad 27 is pressed against the circuit board, and the flip plate 26 is lifted upward. The sliding rod 33 slides in the bottom vertical groove 34, the V-shaped groove 39, the steering groove 310 and the top vertical groove 35. Under the action of the bottom vertical groove 34, the V-shaped groove 39, the steering groove 310 and the top vertical groove 35, the flip plate 26 is flipped 180 degrees, so that the circuit board faces upward, and the sponge pad 27 is pressed against the electronic components to support them. The flip plate 26 is continuously lifted upward, so that the clamping rod 47 is clamped on the spherical clamping block. 42, position the flip plate 26. At this time, the electronic components on the circuit board can be welded. After welding is completed, lift the flip plate 26 upward, and the clamping tube 41 moves upward, so that the clamping rod 47 clamps the moving block 52, and then push the flip plate 26 downward, the clamping rod 47 drives the moving block 52 to move downward, so that the bottom inclined surface 54 moves into the circular groove 51, and then the clamping rod 47 moves from the moving block 52 to the spherical clamping block 42, and slides off the spherical clamping block 42, so that the clamping tube 41 can continue to move downward, and repeat the operation.

[0045] It should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A welding fixture for manufacturing electronic components, comprising a placement box (1), characterized in that: It also includes a fixing unit arranged on the placement box (1); The fixing unit comprises a flip positioning component arranged on the placement box (1), and a clamping component arranged on the flip positioning component, the flip positioning component comprises a structural component (2) arranged on the placement box (1), a flip component (3) arranged on the structural component (2), and a clamping component (4) arranged on the structural component (2); The structural component (2) comprises a plurality of symmetrically distributed fixed blocks (21) fixedly connected to the placement box (1), first support rods (22) respectively fixedly connected to two of the fixed blocks (21), second support rods (24) respectively fixedly connected to the other two fixed blocks (21), a first sliding bar (23) slidably connected to the two first support rods (22), a second sliding bar (25) slidably connected to the two second support rods (24), a flip plate (26) rotatably connected between the first sliding bar (23) and the second sliding bar (25), a fixed frame (28) fixedly connected to the flip plate (26), and a sponge pad (27) fixedly connected to the fixed frame (28).

2. The electronic component manufacturing welding and fixing device according to claim 1, characterized in that: The flip assembly (3) comprises two symmetrically distributed connecting shafts (36) fixedly connected to the flip plate (26), the two connecting shafts (36) being rotatably connected to the first sliding bar (23) and the second sliding bar (25), connecting rods (38) fixedly connected to the two second support rods (24), a cross plate (31) fixedly connected between the two connecting rods (38), a bottom vertical groove (34) provided on the cross plate (31), a V-shaped groove (39) provided on the cross plate (31) and located at the top of the bottom vertical groove (34), a steering groove (310) provided on the cross plate (31) and located on one side of the V-shaped groove (39), and a cross plate (31) provided on the cross plate (31). 1) a top vertical groove (35) located at the top of the V-shaped groove (39), a bottom vertical groove (34), a V-shaped groove (39), a steering groove (310) and a top vertical groove (35) are connected to each other, a connecting plate (32) fixedly connected to one of the connecting shafts (36), a sliding rod (33) fixedly connected to the connecting plate (32), an end of the sliding rod (33) away from the connecting plate (32) being slidably connected to the bottom vertical groove (34), the V-shaped groove (39), the steering groove (310) and the inner side of the top vertical groove (35), two avoidance holes (37) symmetrically distributed are provided on the second sliding bar (25), and a connecting rod (38) is slidably connected to the inner side of the avoidance hole (37).

3. The electronic component manufacturing welding and fixing device according to claim 1, characterized in that: The clamping assembly (4) comprises a clamping cylinder (41) movably sleeved on the two first support rods (22), the two clamping cylinders (41) are fixedly connected to the first sliding bar (23), a spherical clamping block (42) fixedly connected to the two first support rods (22), a plurality of first movable cavities (43) symmetrically distributed and provided on the clamping cylinder (41), a clamping rod (47) slidably connected in the first movable cavity (43), a clamping spring (44) fixedly connected between the clamping rod (47) and the inner wall of the first movable cavity (43), a first inclined surface (45) provided at the bottom of the clamping rod (47), a second inclined surface (46) provided at the top of the clamping rod (47), and the second inclined surface (46) is slidably connected to the spherical surface of the spherical clamping block (42).

4. The electronic component manufacturing welding and fixing device according to claim 3 is characterized in that: The flip positioning component also includes an unlocking component (5) arranged on the structural component (2), the unlocking component (5) including a limit plate (55) respectively fixedly connected to the top of the two first support rods (22), a moving block (52) respectively movably sleeved on the two first support rods (22), a return spring (56) fixedly connected between the limit plate (55) and the moving block (52), the return spring (56) sleeved on the first support rod (22), a circular groove (51) provided on the top of the spherical clamping block (42), a bottom inclined surface (54) provided on the bottom of the moving block (52), and a top inclined surface (53) provided on the top of the moving block (52), the bottom inclined surface (54) being slidably connected to the inner side of the circular groove (51), the second inclined surface (46) being slidably connected to the bottom inclined surface (54), and the first inclined surface (45) being slidably connected to the top inclined surface (53).

5. The electronic component manufacturing welding and fixing device according to claim 1, characterized in that: The clamping component comprises a clamping assembly (6) arranged on the flip plate (26), a one-way rotation assembly (7) arranged at one end of the clamping assembly (6), and an adjustment assembly (8) arranged inside the clamping assembly (6); The clamping assembly (6) comprises two symmetrically distributed mounting blocks (63) fixedly connected to the flip plate (26), a rotating sleeve (61) rotatably connected between the two mounting blocks (63), and two symmetrically distributed end face cams (62) limitedly slidably connected to the rotating sleeve (61).

6. The electronic component manufacturing welding and fixing device according to claim 5, characterized in that: The one-way rotating assembly (7) comprises a ratchet gear (71) fixedly connected to one end of the rotating sleeve (61), a fixed plate (72) fixedly connected to the placement box (1), a plurality of second movable cavities (74) symmetrically distributed and provided on the fixed plate (72), a moving bar (75) slidably connected to the inner side of the second movable cavities (74), a compression spring (73) fixedly connected between the moving bar (75) and the second movable cavities (74), a third inclined surface (76) provided on the moving bar (75), the plurality of moving bars (75) meshingly connected to the ratchet gear (71), and the third inclined surface (76) slidably connected to one end of the ratchet teeth of the ratchet gear (71).

7. The electronic component manufacturing welding and fixing device according to claim 5, characterized in that: The adjustment assembly (8) comprises a first bidirectional threaded rod (81) rotatably connected to the inner side of a rotating sleeve (61), two symmetrically distributed nuts (84) threadedly connected to the outer side of the first bidirectional threaded rod (81), two symmetrically distributed guide blocks (83) fixedly connected to the nuts (84), two symmetrically distributed guide holes (82) opened at both ends of the rotating sleeve (61), the guide blocks (83) being slidably connected to the inner sides of the guide holes (82), the guide blocks (83) being fixedly connected to the end face cam (62), and a rotating hand wheel (85) fixedly connected to one end of the first bidirectional threaded rod (81).

8. The electronic component manufacturing welding and fixing device according to claim 1, characterized in that: The invention also comprises a support assembly (9) arranged in the placement box (1), the support assembly (9) comprising a strip groove (93) provided in the placement box (1), a second bidirectional threaded rod (94) rotatably connected to the inner side of the strip groove (93), two symmetrically distributed sliding blocks (95) threadedly connected to the second bidirectional threaded rod (94), the two sliding blocks (95) being slidably connected to the inner side of the strip groove (93), an L-shaped support block (92) fixedly connected to the two sliding blocks (95), and a rocker (91) rotatably connected to one side of the placement box (1), one end of the rocker (91) extending to the inner side of the strip groove (93) and fixedly connected to one end of the second bidirectional threaded rod (94).

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