CN222748436U - Scratch-resistant tester for printed circuit board - Google Patents
Scratch-resistant tester for printed circuit board Download PDFInfo
- Publication number
- CN222748436U CN222748436U CN202421167118.9U CN202421167118U CN222748436U CN 222748436 U CN222748436 U CN 222748436U CN 202421167118 U CN202421167118 U CN 202421167118U CN 222748436 U CN222748436 U CN 222748436U
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- fixed
- motor
- circuit board
- printed circuit
- screw rod
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- 230000003678 scratch resistant effect Effects 0.000 title abstract description 13
- 238000001514 detection method Methods 0.000 claims description 9
- 238000006748 scratching Methods 0.000 claims description 2
- 230000002393 scratching effect Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Tests Of Electronic Circuits (AREA)
Abstract
The utility model provides a scratch-resistant tester for a printed circuit board, and belongs to the technical field of testers. This a scratch resistance tester for printed circuit board is including detecting structure and fixed knot constructs, fixed knot constructs including driving piece and clamping piece, the driving piece is fixed detect the structure top, the clamping piece includes the loop bar, the loop bar rotates to be connected inside the driving piece, loop bar end fixing has the gear, the inside sliding connection of loop bar has the knock pin, knock pin end fixing has the spring, spring one end is fixed inside the loop bar, the inside rotation of loop bar is connected with the connecting axle, the connecting axle end fixing has the lead screw three, the draw-in groove has been seted up to the lead screw three terminal, three one side threaded connection of lead screw has splint. According to the utility model, through the design of the clamping piece, the circuit board can be rapidly clamped and fixed, and the circuit board is not damaged due to excessive force.
Description
Technical Field
The utility model relates to the technical field of testers, in particular to a scratch-resistant tester for a printed circuit board.
Background
In life, the surface of the product is often the most easily damaged part, and particularly in daily use, may be scratched, bumped, etc. Scratch resistance testing machines test the scratch resistance of the surface of a product by simulating the use scenes, and generally, the scratch resistance testing machines use steel needles with certain hardness, apply a certain load and a certain angle of a scratch on the surface of a coating of the product, and then slowly and transversely scratch at a certain speed. The hardness and scratch resistance of the coating surface were evaluated by observing the length and depth of the scratch. And (5) performing back and forth scratching until obvious scratches are generated or the scratch depth meets the standard requirements.
The utility model provides a scratch-resistant tester, which comprises a control box, wherein a scratch needle connecting plate is arranged between adjacent guide rods, a scratch needle assembly is arranged on the scratch needle connecting plate, a guide rail fixing plate is arranged between adjacent guide rod fixing columns, a rack is fixed at the bottom of a moving plate and meshed with a driving gear, the driving gear is meshed with a driven gear, the driven gear is connected with a motor shaft, the motor shaft is connected with a moving motor, a lifting bearing seat is arranged outside a shield lifting nut on one side of the control box, the tester adopts a PLC to carry out test operation, adopts a double-driving motor, can combine with a structure of a rotatable working table surface, can scratch a sample in two directions in a longitudinal and transverse direction at the same time, ensures the scratch speed and interval of the sample, realizes scratch in the two directions in a longitudinal and transverse direction at a speed of 20 mm/s+/-5 mm/s, and easily carries out test of scratch in the two directions in the longitudinal and transverse direction of the sample.
At present, although the conventional scratch-resistant tester for the printed circuit board can perform transverse and longitudinal scratch experiments in a mode of rotating the circuit board, the conventional tester often adopts manual clamping when clamping and fixing the circuit board, and the clamping speed is low in the mode.
Disclosure of utility model
In order to overcome the defects, the utility model provides a scratch-resistant tester for a printed circuit board, which aims to solve the problem that the speed of clamping the circuit board is too slow under normal conditions.
The utility model is realized in the following way:
The utility model provides a scratch-resistant tester for a printed circuit board, which comprises a detection structure and a fixing structure, wherein the fixing structure comprises a driving piece and a clamping piece, the driving piece is fixed at the top of the detection structure, the clamping piece comprises a loop bar, the loop bar is rotationally connected inside the driving piece, a gear is fixed at the end part of the loop bar, a top pin is slidingly connected inside the loop bar, a spring is fixed at the end part of the top pin, one end of the spring is fixed inside the loop bar, a connecting shaft is rotationally connected inside the loop bar, a screw rod III is fixed at the end part of the connecting shaft, a clamping groove is formed at the three end part of the screw rod, and a clamping plate is in threaded connection with one side of the screw rod III.
In one embodiment of the utility model, the detection structure comprises a bottom frame, wherein supporting legs are fixed at the bottom of the bottom frame, a bottom sleeve is fixed at the top of the bottom frame, an electric telescopic rod is fixed inside the bottom sleeve, a sliding frame is fixed at the end of the electric telescopic rod, and the sliding frame is connected inside the bottom sleeve in a sliding mode.
In one embodiment of the utility model, the top of the sliding frame is fixedly provided with a transverse moving part, the transverse moving part comprises a first motor, the first motor is fixedly arranged at the top of the sliding frame, the output shaft end of the first motor is fixedly provided with a first bevel gear, and one side of the first bevel gear is meshed with a second bevel gear.
In one embodiment of the utility model, a first screw rod is fixed on one side of the second bevel gear, a support frame is connected to one side of the first screw rod in a threaded manner, and the support frame is connected to the inside of the sliding frame in a sliding manner.
In one embodiment of the utility model, a longitudinal moving part is fixed on one side of the support frame and comprises a second motor, the second motor is fixed on one side of the support frame, a second screw rod is fixed at the output shaft end of the second motor, a sliding block is connected with one side of the second screw rod in a threaded manner, and a scriber is fixed inside the sliding block.
In one embodiment of the utility model, the driving member comprises a placement shell, the placement shell is fixed at the top of the chassis, a sliding groove is formed in the top of the placement shell, and a connection shell is fixed inside the placement shell.
In one embodiment of the utility model, a third motor is fixed at the bottom of the connecting shell, and a crown tooth is fixed at the output shaft end of the third motor and is meshed with the gear.
The scratch-resistant tester for the printed circuit board, which is obtained through the design, has the advantages that when the scratch-resistant tester is used, the third motor drives the crown teeth to rotate, so that the four gears can simultaneously rotate, the gear drives the loop bar to rotate, the screw rod three can simultaneously rotate by inserting the ejector pin in the loop bar into the clamping groove, so that the clamping plate can move, the circuit board can be clamped and fixed by the four clamping plates, the circuit board can be quickly fixed by the third motor driving mode, and the phenomenon of excessive clamping can not occur.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a scratch resistance tester for a printed circuit board according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a lateral movement of a scratch resistance tester for a printed circuit board according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a scratch resistance tester vertical movement for a printed circuit board according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a scratch resistance tester drive for printed circuit boards according to an embodiment of the present utility model;
Fig. 5 is a schematic view of a scratch resistance tester clamp for a printed circuit board according to an embodiment of the present utility model.
In the drawing, 100-detection structure, 110-underframe, 111-supporting leg, 112-bottom sleeve, 113-electric telescopic rod, 114-carriage, 120-traversing piece, 121-first motor, 122-first taper gear, 123-second taper gear, 124-first screw, 125-supporting frame, 130-longitudinal moving piece, 131-second motor, 132-second screw, 133-sliding block, 134-scriber, 200-fixed structure, 210-driving piece, 211-placing shell, 212-sliding groove, 213-connecting shell, 214-third motor, 215-crown gear, 220-clamping piece, 221-sleeve rod, 222-gear, 223-top pin, 224-spring, 225-connecting shaft, 226-third screw, 227-clamping groove and 228-clamping plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-5, the utility model provides a scratch-resistant tester for a printed circuit board, which comprises a detection structure 100 and a fixing structure 200, wherein the fixing structure 200 comprises a driving part 210 and a clamping part 220, the driving part 210 is fixed at the top of the detection structure 100, the clamping part 220 comprises a sleeve rod 221, the sleeve rod 221 is rotatably connected in a connecting shell 213, the sleeve rod 221 is rotatably connected in the driving part 210, a gear 222 is fixed at the end of the sleeve rod 221, a top pin 223 is slidably connected in the sleeve rod 221, the end of the top pin 223 is a semicircle, a spring 224 is fixed at the end of the top pin 223, the spring 224 can enable the top pin 223 to protrude out of the sleeve rod 221 in a normal state through elasticity, one end of the spring 224 is fixed in the sleeve rod 221, a connecting shaft 225 is rotatably connected in the sleeve rod 221, the connecting shaft 225 plays a transitional connection role, a screw rod three 226 is fixed at the end of the connecting shaft 225, a clamping groove 227 is formed at the end of the screw rod three 226, the clamping groove 227 can enable the top pin 223 to be inserted, thereby driving the screw rod three 226 to rotate, a clamping plate 228 is connected at one side of the screw rod three 226, and a plurality of clamping plates 228 can be matched with the clamping plate 228.
Referring to fig. 1-3, the detecting structure 100 includes a chassis 110, a supporting leg 111 is fixed at the bottom of the chassis 110, a bottom sleeve 112 is fixed at the top of the chassis 110, an electric telescopic rod 113 is fixed inside the bottom sleeve 112, the electric telescopic rod 113 can control a scriber 134 to move downwards, a carriage 114 is fixed at the end of the electric telescopic rod 113, the carriage 114 is slidably connected inside the bottom sleeve 112, a traversing member 120 is fixed at the top of the carriage 114, the traversing member 120 includes a first motor 121, the first motor 121 is fixed at the top of the carriage 114, a first bevel gear 122 is fixed at the output shaft end of the first motor 121, a second bevel gear 123 is meshed with one side of the first bevel gear 122, a first screw rod 124 is fixed at one side of the second bevel gear 123, the first screw rod 124 can drive a supporting frame 125 to move through rotation, so as to enable a scriber 134 to move synchronously, the supporting frame 125 is connected with one side of the screw rod 124 through threads, the supporting frame 125 is slidably connected inside the carriage 114, the longitudinal moving member 130 is fixed at one side of the supporting frame 125, the longitudinal moving member 130 includes a second motor 131, the second motor 131 is fixed at one side of the supporting frame 125, the shaft end of the second motor 131 is fixed with a second screw rod 132, the second shaft end 132 is fixed at the shaft end 132, the slider 132 can drive the slider 132 to move synchronously, and the scriber 134 is connected with the screw rod 133 through threads 133.
Referring to fig. 1 and fig. 4-5, the driving member 210 includes a housing 211, the housing 211 is fixed on the top of the chassis 110, a chute 212 is formed on the top of the housing 211, the chute 212 is convenient for a clamping plate 228 to slide in the housing 211, a connecting housing 213 is fixed inside the housing 211, a third motor 214 is fixed at the bottom of the connecting housing 213, a crown gear 215 is fixed at the output shaft end of the third motor 214, and the crown gear 215 can simultaneously drive a plurality of gears 222 to rotate, and the crown gear 215 is meshed with the gears 222.
In particular, the working principle of the scratch-resistant tester for the printed circuit board is that when the scratch-resistant tester is used, a circuit board is placed on the top of a placing shell 211, then a third motor 214 is started, a crown tooth 215 is driven to rotate by the third motor 214, so that four gears 222 synchronously rotate, when the gears 222 rotate, a sleeve rod 221 also synchronously rotates, a jacking pin 223 is inserted into a clamping groove 227 by means of elasticity through a spring 224, the jacking pin 223 is used as a medium, when the sleeve rod 221 rotates, the jacking pin 223 can also drive a screw rod three 226 to synchronously rotate, so that a clamping plate 228 can move, when one or more clamping plates 228 cannot move by taking the jacking pin 223 as a medium, the rest of the clamping plates can also operate as usual, so that the circuit board can be clamped, then an electric telescopic rod 113 is contracted, a scriber 134 is pressed onto the circuit board, then a first motor 121 drives a first bevel tooth 122 to rotate, a second bevel tooth 123 can drive a screw rod 124 to rotate, so that a supporting frame 125 can move, and a scriber 134 can move on the circuit board by means of the first motor 121, and a second scriber 132 can move along with the longitudinal scriber 133.
It should be noted that, specific model specifications of the first motor 121, the second motor 131 and the third motor 214 need to be determined by selecting a model according to an actual specification of the device, and a specific model selection calculation method adopts a prior art in the art, so that detailed descriptions thereof are omitted.
The power supply of the first motor 121, the second motor 131 and the third motor 214 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421167118.9U CN222748436U (en) | 2024-05-25 | 2024-05-25 | Scratch-resistant tester for printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421167118.9U CN222748436U (en) | 2024-05-25 | 2024-05-25 | Scratch-resistant tester for printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222748436U true CN222748436U (en) | 2025-04-11 |
Family
ID=95325710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421167118.9U Active CN222748436U (en) | 2024-05-25 | 2024-05-25 | Scratch-resistant tester for printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222748436U (en) |
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2024
- 2024-05-25 CN CN202421167118.9U patent/CN222748436U/en active Active
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