CN219131995U - Positioning detection clamp for circuit board processing - Google Patents

Abstract

The utility model discloses a positioning detection fixture for circuit board processing, which comprises a fixing plate, a first supporting plate and a second supporting plate, the first supporting plate is arranged at the bottom of the fixing plate, and the top of the first supporting plate It is fixedly connected with the fixed plate, the number of the first support plates is set to two, the two first support plates are symmetrically distributed about the center line of the fixed plate, and a first clamping mechanism is provided between the two first support plates . Through the cooperation of the first clamping mechanism, the second clamping mechanism and the adjusting mechanism, the utility model can simultaneously adjust the positions of the two first clamping plates when the first knob is rotated, and then the front side of the circuit board can be adjusted. When pressing and rotating the first knob, the positions of the two second clamping plates can be adjusted at the same time, so that both sides of the circuit board can be clamped. At the same time, the device is easy to use, so it is beneficial Improve the fixing efficiency of the circuit board.

Description

A positioning detection jig for circuit board processing

technical field

The utility model relates to the field of detection fixtures, in particular to a positioning detection fixture for circuit board processing.

Background technique

The names of the circuit boards are: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, ultra-thin Thin circuit boards, printed (copper etching technology) circuit boards, etc. The circuit board makes the circuit miniaturized and intuitive, and plays an important role in mass production of fixed circuits and optimizing the layout of electrical appliances. When the circuit board is tested, it needs to be fixed on the fixture first, which is convenient for transfer and position control.

The Chinese invention patent with the publication number CN213090798U discloses a positioning fixture for circuit board inspection, which includes a bottom plate. The fixed plate, the fixed mechanism also includes a support plate 1 arranged above the base plate, a plurality of fixed rods are fixed on the supported plate 1, and the fixed rods all pass through the aforementioned fixed plate and are slidably connected with the fixed plate. Also be fixed with connecting plate on support plate 1, described connecting plate passes through fixed plate and is connected with fixed plate slidingly, and described fixed plate is also provided with the fixed bolt that is threaded with fixed plate, and described base plate top left and right sides Also symmetrically provided with a positioning mechanism, the positioning mechanism includes a positioning plate fixed on the base plate, the positioning mechanism also includes a support plate II arranged on the upper surface of the base plate, and a plurality of positioning rods are fixed on the support plate II, so The positioning rod passes through the positioning plate and is slidably connected with the positioning plate. A plurality of compressed positioning springs are fixed between the supporting plate II and the corresponding positioning plate, and both sides of the upper surface of the positioning plate are fixed with a limit mechanism. .

But there are following weak points in above-mentioned patent:

1. In the above patent, two supporting plates I are used to clamp both sides of the circuit board, and two supporting plates II are respectively used to clamp the front side and the rear side of the circuit board, so that circuit boards of different sizes can be clamped However, the support plate I and the support plate II set in the above structure need to be adjusted separately, so that the clamping operation of the whole device is cumbersome and inefficient;

2. In the above patents, the positions of support plate I and support plate II need to be adjusted separately, so that the adjustment distance between each support plate I and support plate II cannot be controlled when adjusting the positions of support plate I and support plate II. Therefore, in the circuit When the board is fixed, it is difficult to accurately fix the circuit board in the center of the placement surface, so when the fixed circuit board is tested, the detection position may deviate.

Utility model content

The purpose of this utility model is to provide a positioning detection fixture for circuit board processing, through the cooperation of the first clamping mechanism, the second clamping mechanism and the adjustment mechanism, when the first knob is rotated, the two first The position of the clamping plate is adjusted, and then the front side and the rear side of the circuit board can be clamped. When the first knob is pressed and rotated, the positions of the two second clamping plates can be adjusted at the same time, so that the circuit board can be clamped Both sides of the circuit board are clamped, and at the same time, the device is easy to use, so it is beneficial to improve the fixing efficiency of the circuit board, so as to solve the above-mentioned shortcomings in the technology.

In order to achieve the above object, the utility model provides the following technical solutions: a positioning detection fixture for circuit board processing, including a fixed plate, a first support plate and a second support plate, the first support plate is arranged at the bottom of the fixed plate , the top of the first support plate is fixedly connected with the fixed plate, the number of the first support plate is set to two, the two first support plates are symmetrically distributed about the center line of the fixed plate, and the two first support plates There is a first clamping mechanism between them, the second support plate is arranged at the bottom of the fixed plate, the top of the second support plate is fixedly connected with the fixed plate, the number of the second support plates is set to two, and the two The second support plates are distributed symmetrically with respect to the center line of the fixed plate, a second clamping mechanism is provided between the two second support plates, and an adjustment mechanism is provided between the first clamping mechanism and the second clamping mechanism.

Preferably, the first clamping mechanism includes a first chute and a first threaded rod, the first chute is arranged on the surface of the fixing plate, the number of the first chute is set to two, and the two second chute A chute is distributed symmetrically about the center line of the fixing plate, the number of the first threaded rods is set to two, one end of the first threaded rod is rotatably connected to the adjacent first support plate, and the other end of the first threaded rod is fixedly connected There is a first driven steering gear, a first transmission sleeve is sleeved on the outside of the first threaded rod, the first transmission sleeve is threadedly connected to the first threaded rod, and the top of the first transmission sleeve is fixedly connected with a first An extension rod, the top of the first extension rod is arranged through the first chute, the first extension rod is slidably connected to the first chute, and the top of the first extension rod is fixedly connected with a first clamping plate;

The first extension rod can be limited by the first chute, so that the first extension rod can only move along the direction of the first chute, and at the same time, the first extension rod can limit the first transmission sleeve, thereby avoiding the first transmission The sleeve rotates, so that the first transmission sleeve can be driven to move along its outer side by rotating the first threaded rod, and at the same time, the first transmission sleeve drives the first clamping plate to move through the first extension rod.

Preferably, the second clamping mechanism includes a second chute and a second threaded rod, the second chute is arranged on the surface of the fixing plate, the number of the second chute is set to two, and the two second chute The two chutes are distributed symmetrically about the centerline of the fixing plate, the number of the second threaded rods is set to two, one end of the second threaded rod is rotatably connected to the adjacent second support plate, and the other end of the second threaded rod is fixedly connected There is a second driven steering gear, a second transmission sleeve is sleeved on the outside of the second threaded rod, the second transmission sleeve is threadedly connected with the second threaded rod, and the top of the second transmission sleeve is fixedly connected with a second An extension rod, the top of the second extension rod is arranged through the second chute, the second extension rod is slidably connected to the second chute, and the top of the second extension rod is fixedly connected with a second clamping plate;

The second extension rod can be limited by the second chute, so that the second extension rod can only move along the direction of the second chute, and at the same time, the second extension rod can limit the second transmission sleeve, thereby avoiding the second transmission The sleeve rotates, so that the second drive sleeve can be driven to move along its outer side by rotating the second threaded rod, and at the same time, the second drive sleeve drives the second clamping plate to move through the second extension rod.

Preferably, the adjustment mechanism includes a limiting sleeve, the limiting sleeve is arranged at the bottom of the fixing plate, the top of the limiting sleeve is fixedly connected with the fixing plate, a limiting plate is slidably arranged inside the limiting sleeve, and the limiting sleeve The bottom of the positioning plate is fixedly connected with a rotating rod, and the bottom of the rotating rod is set through the limit sleeve. There is a fixed ring, the bottom of the fixed ring is provided with a first active steering gear, the top of the fixed ring is provided with a second active steering gear, the top of the second active steering gear is provided with a return spring, and the return spring is sleeved On the outside of the rotating rod, the top of the return spring is in contact with the limit sleeve, the bottom of the return spring is in contact with the second driving steering gear, the first driving steering gear is matched with the first driven steering gear, and the second driving steering gear is matched with the first driven steering gear. The driving steering gear matches the second driven steering gear;

When the device is in the placed state, because the bottom of the return spring squeezes the second driving steering gear, it will drive the second driving steering gear and drive the rotating rod to move downward, so the rotating rod will drive the first driving steering gear and the adjacent first driving gear to move downward. The driven steering gears are meshed. At this time, by rotating the first knob, the first driving steering gear can be driven to rotate through the turning rod, and then the adjacent first driven steering gear and the first threaded rod can be driven to rotate through the first driving steering gear. , when the second threaded rod needs to be rotated, pressing the first knob can drive the rotating rod and the second driving steering gear to move upward, so that the second driving steering gear meshes with the adjacent second driven steering gear, and then through The rotation of the second driving steering gear can drive the adjacent second driven steering gear and the second threaded rod to rotate.

Preferably, a protective frame is provided on the outside of the limiting sleeve, the first threaded rod is arranged through the protective frame, the first threaded rod is rotatably connected with the protective frame, the second threaded rod is arranged through the protective frame, and the The second threaded rod is rotatably connected to the protective frame, the bottom of the rotating rod is set through the protective frame, and the rotating rod is slidably connected to the protective frame;

The first driving steering gear, the second driving steering gear, the first driven steering gear and the second driven steering gear can be protected by arranging the protective frame, thereby preventing the surface of the above-mentioned gear parts from entering dust and being stuck.

Preferably, the top of the first clamping plate is rotatably provided with a fixing piece, and the top of the fixing piece is fixedly connected with a second knob;

The fixing part can be driven to rotate by rotating the second knob, and then the top of the circuit board clamped between the two first clamping plates can be limited, so that the circuit board can be prevented from accidentally falling off.

In the above-mentioned technical scheme, the technical effects and advantages provided by the utility model:

1. Through the cooperation of the first clamping mechanism, the second clamping mechanism and the adjustment mechanism, when the first knob is turned, the positions of the two first clamping plates can be adjusted at the same time, and then the front side of the circuit board and the The rear side is clamped. When the first knob is pressed and rotated, the positions of the two second clamps can be adjusted at the same time, so that both sides of the circuit board can be clamped. At the same time, the device is easy to use, so it is beneficial to improve Fixing efficiency to the circuit board;

2. The first driving steering gear simultaneously drives the two first driven steering gears to rotate synchronously, so that the two first clamping plates can move synchronously, and at the same time, the second driving steering gear can also synchronously drive the two The second driven steering gear rotates, so the two second clamping plates can also move synchronously, so the paths of the two first clamping plates and the two second clamping plates are the same, and the circuit board can be fixed on the The center position of the board is fixed so that the position of the board does not deviate during measurement.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. For some embodiments described, those skilled in the art can also obtain other drawings according to these drawings.

Fig. 1 is the perspective view of the first viewing angle of the utility model;

Fig. 2 is the perspective view of the second viewing angle of the utility model;

Fig. 3 is a schematic cross-sectional structure diagram of an adjustment mechanism of the present invention;

Fig. 4 is an enlarged view of the structure of part A in Fig. 3 of the present invention.

Explanation of reference signs:

1. Fixed plate; 2. First support plate; 3. Second support plate; 4. First clamping mechanism; 41. First chute; 42. First threaded rod; 43. First driven steering gear; 44. The first transmission sleeve; 45. The first extension rod; 46. The first clamping plate; 5. The second clamping mechanism; 51. The second chute; 52. The second threaded rod; 53. The second driven Steering gear; 54, second transmission sleeve; 55, second extension rod; 56, second clamping plate; 6, adjustment mechanism; 61, limit sleeve; 62, limit plate; 63, rotating rod; A knob; 65, the first active steering gear; 66, the second active steering gear; 67, the return spring; 7, the protective frame; 8, the fixing member; 9, the second knob.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The utility model provides a positioning detection fixture for circuit board processing as shown in Figure 1-4, comprising a fixed plate 1, a first support plate 2 and a second support plate 3, the first support plate 2 is set At the bottom of the fixed plate 1, the top of the first support plate 2 is fixedly connected with the fixed plate 1, the number of the first support plate 2 is set to two, and the two first support plates 2 are symmetrically distributed about the center line of the fixed plate 1 A first clamping mechanism 4 is provided between the two first support plates 2, the second support plate 3 is arranged at the bottom of the fixed plate 1, and the top of the second support plate 3 is fixedly connected with the fixed plate 1, The number of the second support plates 3 is set to two, the two second support plates 3 are symmetrically distributed about the centerline of the fixed plate 1, and a second clamping mechanism 5 is arranged between the two second support plates 3, An adjusting mechanism 6 is provided between the first clamping mechanism 4 and the second clamping mechanism 5 .

Further, in the above technical solution, the first clamping mechanism 4 includes a first chute 41 and a first threaded rod 42, the first chute 41 is arranged on the surface of the fixed plate 1, the first chute The number of 41 is set to two, and the two first slide grooves 41 are distributed symmetrically about the center line of the fixed plate 1, the number of the first threaded rods 42 is set to two, and one end of the first threaded rods 42 is connected to the adjacent first threaded rod 42. A support plate 2 is rotationally connected, the other end of the first threaded rod 42 is fixedly connected with a first driven steering gear 43, and a first transmission sleeve 44 is sleeved on the outside of the first threaded rod 42, and the first transmission The sleeve 44 is threadedly connected with the first threaded rod 42, the top of the first transmission sleeve 44 is fixedly connected with the first extension rod 45, the top of the first extension rod 45 is set through the first chute 41, and the first extension rod 45 is slidably connected with the first sliding slot 41 , and the top of the first extension rod 45 is fixedly connected with a first clamping plate 46 .

Further, in the above technical solution, the second clamping mechanism 5 includes a second chute 51 and a second threaded rod 52, the second chute 51 is arranged on the surface of the fixed plate 1, the second chute The number of 51 is set to two, and the two second slide grooves 51 are symmetrically distributed about the center line of the fixed plate 1, the number of the second threaded rods 52 is set to two, and one end of the second threaded rods 52 is connected to the adjacent first The two supporting plates 3 are rotationally connected, and the other end of the second threaded rod 52 is fixedly connected with a second driven steering gear 53, and the outer side of the second threaded rod 52 is sleeved with a second transmission sleeve 54. The sleeve 54 is threadedly connected with the second threaded rod 52, and the top of the second transmission sleeve 54 is fixedly connected with a second extension rod 55, and the top of the second extension rod 55 is set through the second chute 51, and the second extension rod 55 is slidably connected to the second sliding slot 51 , and a second clamping plate 56 is fixedly connected to the top of the second extension rod 55 .

Further, in the above technical solution, the adjustment mechanism 6 includes a limit sleeve 61, the limit sleeve 61 is arranged at the bottom of the fixed plate 1, the top of the limit sleeve 61 is fixedly connected with the fixed plate 1, and the limit sleeve 61 is fixedly connected to the fixed plate 1. A limit plate 62 is slidably arranged inside the position cover 61, and a rotating rod 63 is fixedly connected to the bottom of the limit plate 62. , the bottom of the rotating rod 63 is fixedly connected with a first knob 64, the outer side of the rotating rod 63 is fixedly connected with a fixed ring, the bottom of the fixed ring is provided with a first driving steering gear 65, and the top of the fixed ring is provided with a second Active steering gear 66, the top of the second active steering gear 66 is provided with a reset spring 67, the reset spring 67 is sleeved on the outside of the rotating rod 63, the top of the reset spring 67 is offset against the limit sleeve 61, and the reset The bottom of the spring 67 is against the second driving steering gear 66 , the first driving steering gear 65 is matched with the first driven steering gear 43 , and the second driving steering gear 66 is matched with the second driven steering gear 53 .

Further, in the above technical solution, a protective frame 7 is provided on the outside of the limiting sleeve 61, the first threaded rod 42 is arranged through the protective frame 7, and the first threaded rod 42 is rotatably connected with the protective frame 7, so that The second threaded rod 52 is set through the protective frame 7 , and the second threaded rod 52 is rotationally connected with the protective frame 7 .

Further, in the above technical solution, the top of the first clamping plate 46 is rotatably provided with a fixing member 8 , and the top of the fixing member 8 is fixedly connected with a second knob 9 .

The working principle of this utility:

Referring to accompanying drawings 1-4 of the specification, when the device is in use, the circuit board is first placed on the top of the fixed plate 1, and then when the device is in the placed state, because the bottom of the return spring 67 squeezes the second driving steering gear 66, it will drive The second driving steering gear 66 can drive the rotating rod 63 to move downward, so the rotating rod 63 can drive the first driving steering gear 65 to mesh with the adjacent first driven steering gear 43. The rotation of the first driving steering gear 65 is driven by the rotating rod 63, and then the adjacent first driven steering gear 43 and the first threaded rod 42 can be driven to rotate by the first driving steering gear 65, and the first chute 41 can be used for the rotation of the first driven steering gear 42. An extension rod 45 is used to limit the position, so that the first extension rod 45 can only move along the direction of the first chute 41, and at the same time, the first extension rod 45 is used to limit the first transmission sleeve 44, thereby preventing the first transmission sleeve 44 from occurring. Rotate, so that the first drive sleeve 44 can be driven to move along its outer side by rotating the first threaded rod 42, while the first drive sleeve 44 drives the first clamping plate 46 to move through the first extension rod 45, and then passes through the two first The clamping plate 46 fixes the front side and the rear side of the circuit board, and then by pressing the first knob 64, the rotating rod 63 and the second driving steering gear 66 can be moved upwards, so that the second driving steering gear 66 and the adjacent The second driven steering gear 53 is meshed, and the rotation of the second driving steering gear 66 can drive the adjacent second driven steering gear 53 and the second threaded rod 52 to rotate, and the second chute 51 can extend to the second The position of the rod 55 is limited, so that the second extension rod 55 can only move along the direction of the second chute 51, and at the same time, the second extension rod 55 is used to limit the position of the second transmission sleeve 54, thereby preventing the rotation of the second transmission sleeve 54. Thereby, the second drive sleeve 54 can be driven to move along its outer side by rotating the second threaded rod 52, while the second drive sleeve 54 drives the second clamping plate 56 to move through the second extension rod 55, and the two second clamping plates 56 can fix both sides of the circuit board;

With reference to the accompanying drawings 1-4 of the specification, when the device is in use, because the first driving steering gear 65 can drive the two first driven steering gears 43 to rotate synchronously, so the two first clamping plates 46 can move synchronously, and at the same time The second driving steering gear 66 can also synchronously drive the two second driven steering gears 53 to rotate when rotating, so the two second clamping plates 56 can also move synchronously, so the two first clamping plates and the two second clamping plates can move synchronously. The paths of the two clamping plates 56 are the same, so that the circuit board can be fixed at the center of the fixed plate 1, thereby avoiding deviation of the position of the circuit board during measurement.

The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be customized according to the instructions and the records of the drawings. The specific connection methods of each part adopt mature bolts, rivets, welding Conventional means, machinery, parts and equipment all adopt conventional models in the prior art, and circuit connections adopt conventional connection methods in the prior art, which will not be described in detail here.

Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the utility model, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the utility model.

Claims (6)

1. A positioning detection fixture for circuit board processing, comprising a fixed plate (1), a first support plate (2) and a second support plate (3), characterized in that: the first support plate (2) It is arranged at the bottom of the fixed plate (1), and the top of the first support plate (2) is fixedly connected with the fixed plate (1). The number of the first support plates (2) is set to two, and the two first support plates The plates (2) are distributed symmetrically about the centerline of the fixed plate (1), a first clamping mechanism (4) is provided between the two first support plates (2), and the second support plate (3) is arranged on the fixed The bottom of the plate (1), the top of the second support plate (3) is fixedly connected with the fixed plate (1), the number of the second support plate (3) is set to two, and the two second support plates (3) ) is distributed symmetrically about the centerline of the fixed plate (1), a second clamping mechanism (5) is arranged between the two second supporting plates (3), and the first clamping mechanism (4) and the second clamping mechanism An adjusting mechanism (6) is arranged between the mechanisms (5). 2. A positioning detection jig for circuit board processing according to claim 1, characterized in that: the first clamping mechanism (4) comprises a first chute (41) and a first threaded rod (42 ), the first chute (41) is arranged on the surface of the fixed plate (1), the number of the first chute (41) is set to two, and the first chute (41) of the two is about the fixed plate ( 1) The center line is symmetrically distributed, the number of the first threaded rods (42) is set to two, and one end of the first threaded rods (42) is rotationally connected with the adjacent first support plate (2), and the first threaded rods (42) are rotationally connected to each other. The other end of the rod (42) is fixedly connected with a first driven steering gear (43), and the outer side of the first threaded rod (42) is sleeved with a first transmission sleeve (44), and the first transmission sleeve (44) Threaded connection with the first threaded rod (42), the top of the first transmission sleeve (44) is fixedly connected with the first extension rod (45), and the top of the first extension rod (45) passes through the first chute (41) It is provided that the first extension rod (45) is slidably connected with the first sliding groove (41), and the top of the first extension rod (45) is fixedly connected with a first clamping plate (46). 3. A positioning detection jig for circuit board processing according to claim 2, characterized in that: the second clamping mechanism (5) comprises a second chute (51) and a second threaded rod (52 ), the second chute (51) is arranged on the surface of the fixed plate (1), and the number of the second chute (51) is set to two, and two of the second chute (51) are about the fixed plate ( 1) The center line is symmetrically distributed, the number of the second threaded rods (52) is set to two, and one end of the second threaded rods (52) is rotationally connected with the adjacent second support plate (3), and the second threaded rods (52) are rotationally connected to each other. The other end of the rod (52) is fixedly connected with a second driven steering gear (53), and the outer side of the second threaded rod (52) is sleeved with a second transmission sleeve (54), and the second transmission sleeve (54) It is threadedly connected with the second threaded rod (52), the top of the second transmission sleeve (54) is fixedly connected with the second extension rod (55), and the top of the second extension rod (55) passes through the second chute (51) It is provided that the second extension rod (55) is slidably connected with the second chute (51), and the top of the second extension rod (55) is fixedly connected with a second clamping plate (56). 4. A positioning detection jig for circuit board processing according to claim 3, characterized in that: the adjustment mechanism (6) includes a limit sleeve (61), and the limit sleeve (61) is arranged on The bottom of the fixing plate (1), the top of the limiting sleeve (61) is fixedly connected with the fixing plate (1), the limiting plate (62) is slidingly arranged inside the limiting sleeve (61), and the limiting plate (62) ) bottom is fixedly connected with a rotating rod (63), the bottom of the rotating rod (63) runs through the limit sleeve (61) and is set, the rotating rod (63) is slidingly connected with the limiting sleeve (61), and the rotating rod ( 63) The bottom is fixedly connected with a first knob (64), the outer side of the rotating rod (63) is fixedly connected with a fixed ring, the bottom of the fixed ring is provided with a first driving steering gear (65), and the top of the fixed ring is provided with The second active steering gear (66), the top of the second active steering gear (66) is provided with a return spring (67), and the return spring (67) is sleeved and arranged on the outside of the rotating rod (63), and the return spring (67) The top is against the limit sleeve (61), the bottom of the return spring (67) is against the second driving steering gear (66), and the first driving steering gear (65) is against the first driven steering gear ( 43), the second driving steering gear (66) is matched with the second driven steering gear (53). 5. A positioning detection fixture for circuit board processing according to claim 4, characterized in that: a protective frame (7) is provided on the outside of the limit sleeve (61), and the first threaded rod (42 ) is set through the protective frame (7), the first threaded rod (42) is rotationally connected with the protective frame (7), the second threaded rod (52) is set through the protective frame (7), and the second threaded rod (52) is rotationally connected with the protective frame (7), the bottom of the rotating rod (63) is set through the protective frame (7), and the rotating rod (63) is slidingly connected with the protective frame (7). 6. A positioning detection jig for circuit board processing according to claim 2, characterized in that: the top of the first clamping plate (46) is rotatably provided with a fixing piece (8), and the fixing piece ( 8) The top is fixedly connected with a second knob (9).

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