CN116067759A

CN116067759A - Pulling pen and welding strength testing method

Info

Publication number: CN116067759A
Application number: CN202310206189.9A
Authority: CN
Inventors: 石珍; 顾恩泽; 颜章健
Original assignee: Suzhou Quick Laser Technology Co ltd
Current assignee: Suzhou Quick Laser Technology Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-05-05
Anticipated expiration: 2043-03-07
Also published as: CN116067759B

Abstract

The invention relates to a toggle pen and a welding strength testing method, comprising the following steps: the device comprises a test head, a transmission piece, a handheld shell, a resistance component and a reset component. The test head is located the outside of handheld casing, the test head links to each other with the driving medium, a portion of driving medium is located in the handheld casing and with be located the cooperation of the subassembly that resets in the handheld casing, one end of driving medium with the cooperation of resistance subassembly, after the external force that the test head received exceeds the predetermined value, the resistance that the resistance subassembly was applyed is overcome to the test head and take place the displacement, the subassembly that resets is used for promoting the test head to reset. When the poking pen is used, the force is applied to the welding position through the testing head of the poking pen, after the testing head moves, the welding position is not damaged, and the welding strength is qualified. The toggle pen is simple in structure, quick and convenient to use, convenient to install, maintain and debug, and low in cost.

Description

Pulling pen and welding strength testing method

Technical Field

The invention relates to the field of testing, in particular to a dial pen and a welding strength testing method.

Background

After the PCB of the CCS cover plate module of the new energy storage battery pack is welded with the FFC, the welding strength of each silver leg needs to be tested. For testing the welding strength, more complex automatic equipment is adopted for testing at present. The test equipment has complex structure, is inconvenient to install, debug and maintain, and has higher use and maintenance cost. For small lot test tasks, complex automation equipment is not suitable.

Disclosure of Invention

Based on this, a toggle pen is provided. The toggle pen can be manually held for use, has a simple structure, is quick and convenient to use, and has low cost.

A toggle pen, comprising:

the testing head, the transmission piece, the handheld shell, the resistance component and the reset component,

the test head is positioned at the outer side of the handheld shell, the test head is connected with a transmission piece, a part of the transmission piece is positioned in the handheld shell and is matched with a reset component positioned in the handheld shell,

one end of the transmission piece is matched with the resistance component,

after the external force applied to the test head exceeds a preset value, the test head overcomes the resistance applied by the resistance component and displaces, and the reset component is used for prompting the test head to reset.

When the poking pen is used, the force is applied to the welding position through the testing head of the poking pen, after the testing head moves, the welding position is not damaged, and the welding strength is qualified. The toggle pen is simple in structure, quick and convenient to use, convenient to install, maintain and debug, and low in cost.

In one embodiment, the test head is made of a ceramic material.

In one embodiment, the test head is bonded to the drive.

In one embodiment, the transmission piece comprises a guide rod, one end of the guide rod is provided with a protruding portion for being inserted into the test head, the other end of the guide rod is provided with a positioning seat, the positioning seat is provided with a positioning groove, the bottom end of the positioning groove is provided with a plurality of through holes, and one end of the test head is provided with a containing groove for containing the protruding portion.

In one embodiment, the handheld shell comprises a pen cap main body and a head cap connected with the pen cap main body, wherein a guide sleeve is arranged in the pen cap main body, and the transmission piece penetrates through the guide sleeve.

In one embodiment, the reset assembly comprises a spring, a spring seat is arranged on the guide rod, one end of the spring is propped against the spring seat, a plurality of jacks are arranged in the circumference of the pen cap main body, clamping pins are arranged in each jack, the other end of the spring is propped against each clamping pin, strip-shaped through holes are respectively formed in two sides of the handheld shell, and mounting through holes facing the strip-shaped through holes are formed in the guide rod.

In one embodiment, the force generated by the resistance assembly is formed by a plurality of magnets.

In one embodiment, the resistance component comprises a first magnet and a second magnet which are attracted to each other, the second magnet is in a circular ring shape, the first magnet is arranged in a positioning groove of the positioning seat, one end of the pen cap main body is provided with an annular supporting table for supporting the second magnet, the second magnet is supported by the annular supporting table, a first nut and a second nut are connected to the pen cap main body in a threaded manner, the first nut is located between the second nut and the positioning seat, and the end face of the first nut abuts against the end face of the positioning seat.

In one embodiment, the bayonet is provided with a removal through hole.

A welding strength testing method comprises the step of applying force to a welding position through a testing head of the poking pen, and when the testing head is displaced, the welding position is not damaged, so that the welding strength is qualified.

Drawings

Fig. 1 is an overall assembly view of a dial pen of an embodiment of the present application.

Fig. 2 is a cross-sectional view of a dial pen of an embodiment of the present application.

Fig. 3 is a schematic view of a guide rod provided with a guide sleeve and a spring seat according to an embodiment of the present application.

Fig. 4 is a schematic view of a guide rod according to an embodiment of the present application, where one end of the guide rod is provided with a protruding portion and the other end is provided with a positioning seat.

Fig. 5 is a schematic view of a pen cap body according to an embodiment of the present application, wherein one end of the pen cap body is provided with an annular supporting table.

Fig. 6 is a schematic view of a guide sleeve of an embodiment of the present application.

FIG. 7 is a schematic illustration of a spring seat of an embodiment of the present application.

Fig. 8 is a schematic view of 4 bayonet in an embodiment of the present application.

Fig. 9 is a schematic view of a second magnet according to an embodiment of the present application, the second magnet being ring-shaped.

Fig. 10 is a schematic view of a first magnet according to an embodiment of the present application, the first magnet being in a block shape.

Fig. 11 is a schematic view of a second nut of an embodiment of the present application.

Fig. 12 is a schematic view of a first nut of an embodiment of the present application.

Wherein:

101. a pen cap main body; 102. a head cover; 103. a test head; 104. a guide rod; 105. mounting through holes; 106. a bar-shaped through hole; 107. a bayonet lock; 108. disassembling the through hole; 109. a second nut; 110. a first nut; 111. a screw through hole; 112. a positioning seat; 113. a first magnet; 114. a second magnet; 115. a spring; 116. a spring seat; 117. a guide sleeve; 1041. a boss; 1161. a pin; 1121. a positioning groove; 118. a jack; 119. an annular support table; 120. and a connecting part.

Description of the embodiments

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings.

As shown in fig. 1 and 2, embodiments of the present application provide a toggle pen, which includes: test head 103, drive, hand-held housing, resistance assembly, and reset assembly.

The test head 103 is located the outside of hand-held type casing, the test head 103 links to each other with the driving medium, a portion of driving medium is located in the hand-held type casing and with the cooperation of the subassembly that resets that is located in the hand-held type casing, one end of driving medium with the cooperation of resistance subassembly, after the external force that test head 103 received exceeds the predetermined value, the resistance that resistance subassembly applyed is overcome to test head 103 and take place the displacement, the subassembly that resets is used for promoting test head 103 to reset.

When the poking pen is used, an operator holds the poking pen of the application by hand, and the welding position is detected. Specifically, by pulling the test head 103 of the pen to pull the silver angle at the welding position, the test head 103 applies an acting force to the silver angle, the silver angle also applies a reaction force to the test head 103, when the reaction force is large enough, the test head 103 overcomes the resistance applied by the resistance component and displaces, and if the silver angle at the welding position is not damaged after the test head 103 displaces, the welding strength is qualified. The resistance value applied by the resistance assembly may be preset by the resistance assembly, for example, 1KG or the like, that is, the predetermined value.

In one embodiment, the test head 103 is made of a ceramic material. The test head 103 is bonded to the driving member.

In one embodiment, as shown in fig. 3 and 4, the transmission member includes a guide rod 104, one end of the guide rod 104 is provided with a protruding portion 1041 for being inserted into the test head 103, and the other end of the guide rod 104 is provided with a positioning seat 112, where the positioning seat 112 is fixedly connected with the guide rod 104. The positioning seat 112 is provided with a positioning groove 1121. The positioning seat 112 may be circular, the positioning groove 1121 may be circular or the like, and a plurality of through holes, for example, 4 circular through holes may be provided at the bottom end of the positioning groove 1121. One end of the test head 103 is provided with a receiving groove for receiving the protrusion 1041. Specifically, the protrusion 1041 and the receiving groove may be firmly bonded by glue.

In one embodiment, as shown in fig. 1, 2 and 5, the handheld housing includes a pen cap body 101 and a cap sleeve 102 connected to the pen cap body 101. Specifically, a connecting portion 120 may be disposed at one end of the pen cap main body 101, and the connecting portion 120 is inserted into the connecting hole of the cap 102 and is in interference fit with the connecting hole, so that the pen cap main body 101 and the cap 102 can be connected. The pen cap body 101 is internally provided with a guide sleeve 117, and as shown in fig. 3 and 6, the guide rod 104 passes through the guide sleeve 117. Specifically, a part of the guide rod 104 is located in the pen cap main body 101, and the guide sleeve 117 is sleeved on the guide rod 104. A positioning seat 112 provided at one end of the guide rod 104 is located outside the pen cap main body 101.

In one embodiment, as shown in fig. 2 and 3, the reset assembly includes a spring 115, the guide rod 104 is provided with a spring seat 116, and various embodiments of the spring seat 116, for example, the spring seat 116 is in an annular structure and is sleeved on the guide rod 104, and the spring seat 116 is fixed on the guide rod 104 by a pin 1161. One end of the spring 115 abuts against the spring seat 116, a plurality of insertion holes 118 are formed in the circumference of the pen cap main body 101, clamping pins 107 are arranged in each insertion hole 118, the other end of the spring 115 abuts against each clamping pin 107, strip-shaped through holes 106 are formed in two sides of the handheld shell respectively, and mounting through holes 105 facing the strip-shaped through holes 106 are formed in the guide rods 104.

Specifically, after the guide rod 104 is displaced under the drive of the test head 103, the spring 115 is compressed, and after the test head 103 is separated from the tested welding position, the guide rod 104 drives the test head 103 to reset together under the action of the spring 115.

Specifically, the method for assembling the spring 115 includes: the spring 115 is sleeved on the guide rod 104, one end of the spring 115 is abutted against the spring seat 116, a limiting rod is inserted into the mounting through hole 105 of the guide rod 104, and the other end of the spring 115 is abutted against the limiting rod, and at the moment, the spring 115 is in a compressed state. One end of the guide rod 104 is then passed through the cap body 101 such that a portion of the guide rod 104 and the spring 115 are located inside the cap body 101. Then, the bayonet 107 is inserted into the corresponding insertion hole 118 of the pen cap body 101, and then the stopper rod on the guide rod 104 is taken out from the bar-shaped through hole 106 of the pen cap body 101. After the stopper rod is taken out, one end of the spring 115 moves toward the detents 107 and finally abuts against each detent 107.

In one embodiment, the bayonet 107 is provided with a detachment through hole 108. When the bayonet 107 needs to be pulled out, a screw can be screwed into the dismounting through hole 108, and then the bayonet 107 can be driven to be removed from the corresponding jack 118 by pulling the screw.

On the basis of the above, the acting force generated by the resistance component is formed by a plurality of magnets.

Specifically, as shown in fig. 1 and 2, the resistance assembly includes a first magnet 113 and a second magnet 114 that attract each other, the second magnet 114 has a circular ring shape, and the first magnet 113 is disposed in the positioning slot 1121 of the positioning seat 112. Specifically, in order to fix the first magnet 113 firmly, the first magnet 113 may be adhered in the positioning slot 1121. An annular supporting table 119 is disposed at one end of the pen cap main body 101, the second magnet 114 is supported by the annular supporting table 119, and for the purpose of firm connection, the second magnet 114 may be bonded to the annular supporting table 119. The pen cap main body 101 is in threaded connection with a first nut 110 and a second nut 109, the first nut 110 is located between the second nut 109 and the positioning seat 112, and the end face of the first nut 110 abuts against the end face of the positioning seat 112.

Specifically, in the above-mentioned structure, by rotating the first nut 110, the positioning seat 112 can be driven to approach or separate from the second magnet 114, that is, the distance between the first magnet 113 and the second magnet 114 in the positioning seat 112 can be adjusted, so that the magnitude of the attractive force between the first magnet 113 and the second magnet 114 can be adjusted. The second nut 109 is provided to position the first nut 110.

On the basis of the above, the first nut 110 is provided with a screw through hole 111, and a locking screw is provided in the screw through hole 111. After the first nut 110 is rotated to a predetermined position, the locking screw is tightened. This prevents the first nut 110 from loosening.

Specifically, the forces that the test head 103 of the present application needs to overcome in order to move include the force of the spring 115 and the attractive force of the two magnets, wherein the force of the spring 115 is small and the force mainly overcomes is from the attractive force of the two magnets.

Specifically, the amount of force that the test head 103 of the present application needs to overcome may be measured by a pressure test instrument. That is, after the distance between the two magnets is adjusted, whether the predetermined value is reached can be detected by the pressure test instrument.

The embodiment of the application also provides a welding strength testing method, which comprises the step of applying force to the welding position through the test head 103 of the poking pen, and when the test head 103 is displaced, the welding position is not damaged, so that the welding strength is qualified.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. A toggle pen, comprising:

one end of the transmission piece is matched with the resistance component,

2. The pen of claim 1, wherein the test head is made of a ceramic material.

3. The stylus of claim 2, wherein the test head is bonded to the transmission.

4. The poking pen according to claim 1, wherein the transmission member comprises a guide rod, one end of the guide rod is provided with a protruding portion for being inserted into the test head, the other end of the guide rod is provided with a positioning seat, the positioning seat is provided with a positioning groove, the bottom end of the positioning groove is provided with a plurality of through holes, and one end of the test head is provided with a containing groove for containing the protruding portion.

5. The dial pen according to claim 4, wherein the hand-held housing comprises a pen cap body and a cap connected to the pen cap body, a guide sleeve is installed inside the pen cap body, and the transmission member passes through the guide sleeve.

6. The dial pen according to claim 5, wherein the reset assembly comprises a spring, a spring seat is arranged on the guide rod, one end of the spring is propped against the spring seat, a plurality of insertion holes are formed in the circumference of the pen cap main body, clamping pins are arranged in each insertion hole, the other end of the spring is propped against each clamping pin, strip-shaped through holes are formed in two sides of the handheld shell respectively, and mounting through holes facing the strip-shaped through holes are formed in the guide rod.

7. The stylus of claim 5, wherein the force generated by the resistance assembly is formed by a plurality of magnets.

8. The poking pen according to claim 7, wherein the resistance component comprises a first magnet and a second magnet which are attracted to each other, the second magnet is in a circular ring shape, the first magnet is arranged in a positioning groove of the positioning seat, an annular supporting table is arranged at one end of the pen cap main body, the second magnet is supported by the annular supporting table, a first nut and a second nut are connected to the pen cap main body in a threaded manner, the first nut is located between the second nut and the positioning seat, and the end face of the first nut abuts against the end face of the positioning seat.

9. The dial pen according to claim 6, wherein the bayonet is provided with a detachable through hole.

10. A method for testing the welding strength, comprising the step of applying a force to a welding position through a test head of the dial pen according to any one of claims 1 to 9, and confirming that the welding strength is acceptable when the welding position is not damaged after the displacement of the test head occurs.