Clamping device for nixie pin welding

Abstract

The utility model belongs to the field of nixie tube welding, and particularly relates to a nixie tube pin welding clamping device which comprises a bottom plate. A clamping mechanism is arranged above the bottom plate and comprises a fixing rod, the fixing rod is fixedly connected with a servo motor, the servo motor is fixedly connected to the bottom end of the bottom plate, the fixing rod is rotationally connected with two sets of connecting rods, the connecting rods are fixedly connected with a sliding plate, and a rectangular block is fixedly connected to the bottom end of the sliding plate. The rectangular block is slidably connected to the rectangular groove, a first clamping block and a second clamping block are slidably connected to the sliding plate, four sets of first springs are fixedly connected to the interior of each of the first clamping block and the second clamping block, the first springs are fixedly connected with the clamping blocks, and the clamping blocks make contact with the trapezoidal block. The trapezoidal block is fixedly connected with an ejector rod and a second spring; and through the structural design of the clamping mechanism, the function of conveniently clamping and fixing the circuit board is realized.

Description

Technical Field

[0001] The utility model relates to the field of digital tube welding, in particular to a clamping device for digital tube pin welding. Background Art

[0002] A digital tube is a semiconductor light-emitting device that is common in our daily lives, such as traffic lights and electronic clocks. Digital tubes are basically fixed to circuit boards by welding. During welding, the circuit board needs to be clamped and fixed to ensure stability during welding, thereby ensuring the welding quality of the digital tube.

[0003] According to the patent document: CN201711194154.9, a clamping device for welding digital tube pins is proposed, which includes a left clamping plate, a right clamping plate and a connecting rod. An adjustment sleeve is provided on the right clamping plate, and the adjustment sleeve is threadedly arranged on the right clamping plate. The end of the connecting rod is threadedly arranged in the left clamping plate and smoothly arranged in the adjustment sleeve; a spring is also provided between the left clamping plate and the right clamping plate, and the spring is connected to the left clamping plate and the right clamping plate. A connecting rod retaining ring is also provided on the connecting rod for limiting the outward movement of the adjustment sleeve; the present invention is easy to use, and can clamp digital tube PCB boards of different shapes and structures through coarse adjustment and fine adjustment. It has a wide range of uses and good clamping stability, thereby ensuring the accuracy and consistency of welding quality.

[0004] However, a clamping device for digital tube pin welding in the above technology requires manual rotation of a knob for adjustment during the clamping process, and when removing it, the knob still needs to be turned again to remove the clamped digital tube or circuit board, which is relatively cumbersome. Therefore, a clamping device for digital tube pin welding is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the shortcomings of the existing technology, a clamping device for digital tube pin welding in the above technology requires manual rotation of the knob for adjustment during the clamping process, and when removing it, the knob still needs to be turned again to remove the clamped digital tube or circuit board, which is a rather cumbersome problem. The utility model proposes a clamping device for digital tube pin welding.

[0006] The technical solution adopted by the present invention to solve its technical problems is: the present invention describes a clamping device for digital tube pin welding, comprising a base plate; a clamping mechanism is provided above the base plate, the clamping mechanism comprises a fixing rod, the fixing rod is fixedly connected to the servo motor, the servo motor is fixedly connected to the bottom end of the base plate, the fixing rod is rotatably connected to two groups of connecting rods, the connecting rod is fixedly connected to the slide, the bottom end of the slide is fixedly connected to a rectangular block, the rectangular block is slidably connected to the rectangular groove, the slide is slidably connected to a first clamping block and a second clamping block, the interior of the first clamping block and the second clamping block are both fixedly connected to four groups of first springs, the first spring is fixedly connected to the clamping block, the clamping block is in contact with the trapezoidal block, and the trapezoidal block is fixedly connected to a top rod and a second spring.

[0007] Preferably, the bottom ends of the first clamping block and the second clamping block are fixedly connected with two groups of sliders, the sliders are slidably connected inside the slide groove, the slide groove is opened on the slide plate, the rectangular groove is opened on the bottom plate, and there are four groups of rectangular grooves.

[0008] Preferably, a rotating block and four sets of pulleys are fixedly connected to the bottom end of the base plate, the rotating block is slidably connected to the inside of the rotating groove, the pulleys are slidably connected to the circular groove, the circular groove and the rotating groove are both provided with fixed plates, and a motor slot is provided in the middle of the fixed plate.

[0009] Preferably, support blocks are welded and fixed on both the left and right sides of the fixing plate, and a gasket is fixedly connected to the support block, and the gasket is made of rubber.

[0010] Preferably, the top and bottom ends of the trapezoidal block are fixedly connected with protrusions, and the protrusions are slidably connected to the inside of the groove. The groove is opened on one side of the clamping block, and the trapezoidal block is in contact with the clamping block.

[0011] Preferably, a fixing slot is provided on one side of each of the first clamping block and the second clamping block, a magnet is fixedly connected to the inside of the fixing slot, and four groups of pins are fixedly connected to the second clamping block, the pins are inserted into the inside of the slot, and the slot is provided on the first clamping block.

[0012] Preferably, two groups of card slots are provided on both the front and rear sides of the clamping block, and the insides of the card slots are slidably connected with card blocks, which are fixedly connected to the clamping block.

[0013] The utility model is beneficial in that:

[0014] 1. The present invention realizes the function of conveniently clamping and fixing the circuit board through the structural design of the clamping mechanism, solving the problem of the clamping device for digital tube pin welding in the above-mentioned technology, which requires manual rotation of the knob for adjustment during the clamping process, and the need to rotate the knob again to remove the clamped digital tube or circuit board, which is relatively cumbersome;

[0015] 2. The utility model realizes the function that the bottom ends of the first clamping block and the second clamping block can move stably back and forth on the slide through the structural design of the slider and the slide groove, and the trapezoidal design of the slider and the slide groove can ensure the normal movement of the first clamping block and the second clamping block while preventing them from sliding off the slide. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 3 This is a schematic structural diagram of the fixing plate of the present utility model;

[0020] Figure 4 This is a schematic diagram of the connection structure of the first clamping block and the second clamping block of the utility model;

[0021] Figure 5 This is a schematic diagram of the internal structure of the first clamping block of the present invention;

[0022] Figure 6 This is a structural schematic diagram of the clamping block and trapezoidal block of the present invention.

[0023] In the figure: 1. Base plate; 20. Servo motor; 21. Fixed rod; 22. Connecting rod; 23. Slide plate; 24. First clamping block; 25. Second clamping block; 26. Slider; 27. Slide groove; 29. Rectangular block; 30. Rectangular groove; 32. Clamping block; 33. First spring; 34. Push rod; 35. Trapezoidal block; 36. Second spring; 38. Slot; 39. Block; 40. Groove; 41. Protrusion; 42. Magnet; 43. Slot; 44. Fixed groove; 45. Insert column; 46. Fixed plate; 47. Support block; 48. Gasket; 50. Circular groove; 51. Rotating groove; 52. Motor slot; 53. Rotating block; 54. Pulley. DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1 - Figure 6 As shown, a clamping device for digital pin welding includes a base plate 1; a clamping mechanism is provided above the base plate 1, the clamping mechanism includes a fixing rod 21, the fixing rod 21 and the servo motor 20 are fixed by welding, the servo motor 20 is welded and fixed to the bottom end of the base plate 1, the fixing rod 21 and two sets of connecting rods 22 are rotatably connected, the connecting rod 22 and the slide 23 are fixed by welding, a rectangular block 29 is welded and fixed to the bottom end of the slide 23, the rectangular block 29 is slidably connected to the rectangular groove 30, a first clamping block 24 and a second clamping block 25 are slidably connected to the slide 23, four sets of first springs 33 are welded and fixed to the inside of the first clamping block 24 and the second clamping block 25, the first spring 33 and the clamping block 32 are fixed by welding, the clamping block 32 is in contact with the trapezoidal block 35, and a push rod 34 and a second spring 36 are welded and fixed to the trapezoidal block 35;

[0026] During operation, a clamping device for welding digital tube pins in the above technology requires manual rotation of the knob for adjustment during the clamping process, and when removing it, the knob still needs to be turned again to remove the clamped digital tube or circuit board, which is relatively cumbersome. Through the structural design of the clamping mechanism, the function of facilitating clamping and fixing the circuit board is achieved. First, the servo motor 20 drives the fixing rod 21 to rotate, and the fixing rod 21 and the connecting rod 22 are rotatably connected. Since the rectangular block 29 fixed on the bottom end of the slide 23 slides in the rectangular groove 30, the connecting rod 22 will pull the slide 23 to move toward each other until the two sides of the circuit board push the top rod 34 to move. Under the action of the first spring 33 on the clamping block 32, the two groups of clamping blocks 32 will clamp the edge of the circuit board, thereby completing the clamping operation. At this time, it is convenient to perform welding operations on the digital tube on the circuit board. Similarly, the circuit board can be removed by simply rotating the servo motor 20 in the opposite direction again.

[0027] Furthermore, two sets of sliders 26 are welded and fixed to the bottom ends of the first clamping block 24 and the second clamping block 25. The sliders 26 are slidably connected to the inside of the slide groove 27. The slide groove 27 is provided on the slide plate 23. The rectangular groove 30 is provided on the bottom plate 1. There are four sets of rectangular grooves 30.

[0028] During operation, the structural design of the slider 26 and the slide groove 27 enables the bottom ends of the first clamping block 24 and the second clamping block 25 to move stably back and forth on the slide plate 23, and the trapezoidal design of the slider 26 and the slide groove 27 can ensure that the first clamping block 24 and the second clamping block 25 can move normally while not sliding off the slide plate 23.

[0029] Furthermore, a rotating block 53 and four sets of pulleys 54 are welded and fixed to the bottom end of the base plate 1. The rotating block 53 is slidably connected to the inside of the rotating groove 51, and the pulleys 54 are slidably connected to the circular groove 50. The circular groove 50 and the rotating groove 51 are both provided with a fixed plate 46. The middle of the fixed plate 46 is provided with a motor slot 52.

[0030] During operation, the cross-section of the rotating block 53 is designed to be trapezoidal, so that the rotating block 53 can slide in the rotating groove 51 to achieve a rotational connection between the fixed plate 46 and the base plate 1. The motor groove 52 is used to accommodate the servo motor 20. By rotating the base plate 1 on the fixed plate 46, the clamping direction can be changed to facilitate welding operations. Four sets of pulleys 54 slide on the circular groove 50 to ensure that the base plate 1 can remain stable during rotation.

[0031] Furthermore, support blocks 47 are welded and fixed on both the left and right sides of the fixing plate 46, and gaskets 48 are glued and fixed on the support blocks 47. The gaskets 48 are made of rubber.

[0032] During operation, a gasket 48 is fixed on the support block 47. The gasket 48 is made of rubber and contacts the bottom end of the base plate 1. The support block 47 is used to support and fix the bottom end of the base plate 1. At the same time, the gasket 48 also provides resistance for the base plate 1 when it rotates, so that the base plate 1 will not rotate easily during the placement of the fixing plate 46.

[0033] Furthermore, the top and bottom ends of the trapezoidal block 35 are both welded with protrusions 41, which are slidably connected to the inside of the groove 40. The groove 40 is opened on one side of the clamping block 32, and the trapezoidal block 35 is in contact with the clamping block 32.

[0034] During operation, the protrusion 41 slides in the groove 40 to ensure that the trapezoidal block 35 can stably move in the horizontal direction, while also limiting the displacement of the trapezoidal block 35 in the front-to-back direction, thereby reducing the shaking of the trapezoidal block 35 during movement.

[0035] Furthermore, a fixing groove 44 is formed on one side of each of the first clamping block 24 and the second clamping block 25. A magnet 42 is glued and fixed inside the fixing groove 44. Four sets of plug posts 45 are welded and fixed to the second clamping block 25. The plug posts 45 are inserted into the slots 43 provided on the first clamping block 24.

[0036] During operation, the first clamping block 24 and the second clamping block 25 are connected together by the attraction of the magnet 42. At the same time, it is also convenient to separate the first clamping block 24 and the second clamping block 25 for clamping and fixing. By inserting the pin 45 into the slot 43, it is ensured that there will be no large shaking between the first clamping block 24 and the second clamping block 25.

[0037] Furthermore, two sets of slots 38 are provided on both the front and rear sides of the clamping block 32. The inside of the slots 38 is slidably connected to a clamping block 39, which is welded and fixed to the clamping block 32.

[0038] During operation, the clamping block 32 can only move in the vertical direction by sliding the clamping slot 38 in the clamping block 39 , so as to facilitate the clamping operation of the clamping block 32 .

[0039] Working principle: A clamping device for welding digital tube pins in the prior art requires manual rotation of the knob for adjustment during the clamping process, and when removing it, the knob still needs to be turned again to remove the clamped digital tube or circuit board, which is relatively cumbersome. A clamping device for welding digital tube pins in this case realizes the function of clamping and fixing the circuit board through the structural design of the clamping mechanism. First, the servo motor 20 drives the fixing rod 21 to rotate, and the fixing rod 21 and the connecting rod 22 are rotatably connected. Since the rectangular block 29 fixed on the bottom end of the slide 23 slides in the rectangular groove 30, the connecting rod 22 will pull the slide 23 to move toward each other until the two sides of the circuit board push the top rod 34 to move. Under the action of the first spring 33 on the clamping block 32, the two sets of clamping blocks 32 will clamp the edge of the circuit board, thereby completing the clamping operation. At this time, it is convenient to perform welding operations on the digital tube on the circuit board. Similarly, the circuit board can be removed by simply rotating the servo motor 20 in the opposite direction again.

[0040] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A clamping device for digital pin welding, comprising a base plate (1); characterized in that: A clamping mechanism is provided above the base plate (1), the clamping mechanism comprising a fixing rod (21), the fixing rod (21) and the servo motor (20) are fixedly connected, the servo motor (20) is fixedly connected to the bottom end of the base plate (1), the fixing rod (21) and the two groups of connecting rods (22) are rotatably connected, the connecting rods (22) and the slide plate (23) are fixedly connected, the bottom end of the slide plate (23) is fixedly connected to a rectangular block (29), and the rectangular block (29) slides The slide plate (23) is movably connected to the rectangular groove (30); the first clamping block (24) and the second clamping block (25) are slidably connected to the slide plate (23); the first clamping block (24) and the second clamping block (25) are fixedly connected to four groups of first springs (33); the first springs (33) and the clamping block (32) are fixedly connected; the clamping block (32) and the trapezoidal block (35) are in contact; and the trapezoidal block (35) is fixedly connected to a push rod (34) and a second spring (36).

2. A clamping device for digital pin welding according to claim 1, characterized in that: The bottom ends of the first clamping block (24) and the second clamping block (25) are both fixedly connected with two groups of sliders (26), and the sliders (26) are slidably connected to the inside of the slide groove (27). The slide groove (27) is provided on the slide plate (23), and the rectangular groove (30) is provided on the bottom plate (1). There are four groups of rectangular grooves (30).

3. The clamping device for digital pin welding according to claim 2, characterized in that: The bottom end of the base plate (1) is fixedly connected with a rotating block (53) and four sets of pulleys (54), the rotating block (53) is slidably connected to the inside of the rotating groove (51), and the pulleys (54) are slidably connected to the circular groove (50), and the circular groove (50) and the rotating groove (51) are both provided with a fixed plate (46), and a motor groove (52) is provided in the middle of the fixed plate (46).

4. The clamping device for digital pin welding according to claim 3, characterized in that: Support blocks (47) are welded and fixed on both the left and right sides of the fixing plate (46), and a gasket (48) is fixedly connected to the support block (47), and the gasket (48) is made of rubber material.

5. The clamping device for digital pin welding according to claim 4, characterized in that: The top and bottom ends of the trapezoidal block (35) are fixedly connected with a protrusion (41), and the protrusion (41) is slidably connected to the inside of the groove (40). The groove (40) is opened on one side of the clamping block (32), and the trapezoidal block (35) and the clamping block (32) are in contact.

6. The clamping device for digital pin welding according to claim 5, characterized in that: A fixing groove (44) is provided on one side of each of the first clamping block (24) and the second clamping block (25), a magnet (42) is fixedly connected to the interior of the fixing groove (44), and four groups of plug posts (45) are fixedly connected to the second clamping block (25), and the plug posts (45) are inserted into the interior of the slot (43), and the slot (43) is provided on the first clamping block (24).

7. The clamping device for digital pin welding according to claim 6, characterized in that: Two groups of clamping slots (38) are provided on both the front and rear sides of the clamping block (32). A clamping block (39) is slidably connected inside the clamping slot (38), and the clamping block (39) is fixedly connected to the clamping block (32).

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