CN214585708U

CN214585708U - Contact resistance detection device

Info

Publication number: CN214585708U
Application number: CN202120812148.0U
Authority: CN
Inventors: 董杰
Original assignee: Nanjing Jerry Precision Automation Co ltd
Current assignee: Nanjing Jerry Precision Automation Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-11-02
Anticipated expiration: 2031-04-20

Abstract

The utility model belongs to the technical field of resistance detection, in particular to a contact resistance detection device, which comprises an installation platform arranged beside a conveyor belt, wherein a triaxial linkage conveying device is arranged on the installation platform and is close to one end of the conveyor belt, and a sampling device is arranged on the triaxial linkage conveying device; a bearing device is arranged on the mounting table at one side of the three-axis linkage conveying device, which is far away from the conveying belt; the device comprises a bearing device, a three-axis linkage conveying device, a first sliding block, a second sliding block, a contact detection head, a third sliding block, a fourth sliding block, a fifth sliding block and a sixth sliding block, wherein the bearing device is arranged on the mounting table on one side deviating from the three-axis linkage conveying device, the first sliding block is fixedly connected with the mounting plate, the mounting plate is arranged on the first sliding block, the contact detection head is arranged on the mounting plate, and the contact detection head is electrically connected with a detector which is arranged in a control box which is arranged on the mounting table. The utility model can automatically detect the resistance of the circuit board without manual detection; the utility model discloses can get rid of unqualified circuit board, be applicable to the automated production needs.

Description

Contact resistance detection device

Technical Field

The utility model belongs to the technical field of resistance detection, concretely relates to contact resistance detection device.

Background

The current limiting, the voltage limiting, the shunt, the filtering and the like in the circuit are all related to the resistance values of elements such as coils and resistors on the circuit board, the resistance values of the elements on the circuit board are also directly related to the heat productivity of the electronic equipment during operation, and the resistance value of the circuit board plays an important role in the normal operation of the electronic equipment.

For example, publication No. CN208888312U discloses a monocrystalline silicon resistance detector, which comprises a first fixing rod, a second fixing rod and a resistance detector body, wherein the upper surface of the resistance detector body is provided with a slide rail, and the lower surface of the resistance detector body is welded with a sucker, the first fixed rod is movably connected with the resistance detector body through a slide rail, and the outer end face of one side of the first fixed rod is welded with a first probe, the second fixed rod is movably connected with the resistance detector body through a slide rail, a second probe is welded on the outer end face of one side of the second fixed rod, an observation window is embedded and fixed on the front surface of the resistance detector body, a dial is welded inside the observation window, a support frame is welded on the front surface of the resistance detector body, and the outer terminal surface welding of one side of support frame has the connecting rod, the outer terminal surface welding of one side of connecting rod has the fixed plate, and the inside embedding of fixed plate is fixed with the lens. The utility model discloses detection resistance is more accurate, and the practicality is stronger.

Also, for example, publication No. CN110376405A discloses a resistance detection apparatus, which includes a material tape and a resistance detection device, where the resistance detection device includes a resistance detection base, multiple sets of resistance detection probes, and a resistance detection probe driving assembly; the resistance detection probe driving assembly comprises a first resistance detection probe driving device and a second resistance detection probe driving device, the second resistance detection probe driving device drives the material belt to move along the length direction based on the first resistance detection probe driving device, and the multiple groups of resistance detection probes are driven to move towards the resistance detection base or move away from the direction of the resistance detection base based on the second resistance detection probe driving device. In the embodiment of the invention, the resistance detection can be carried out on the material belt based on the multiple groups of resistance detection probes, and when the feeding of the material belt has deviation, the driving assembly based on the resistance detection probes can carry out horizontal fine adjustment on the positions of the multiple groups of resistance detection probes so as to compensate the feeding deviation of the material belt and realize the process of the resistance detection.

The resistance detection device in the prior art can not be suitable for the requirement of automatic production, and has the disadvantages of complex structure and higher production cost.

SUMMERY OF THE UTILITY MODEL

To the above insufficiency, the utility model aims at providing a contact resistance detection device.

The utility model provides a following technical scheme:

a contact resistance detection device comprises an installation platform arranged beside a conveyor belt, wherein a three-axis linkage conveying device is arranged on one end, close to the conveyor belt, of the installation platform, and a sampling device is arranged on the three-axis linkage conveying device; a bearing device is arranged on the mounting table at one side of the three-axis linkage conveying device, which is far away from the conveying belt; the device comprises a bearing device, a three-axis linkage conveying device, a first sliding block, a second sliding block, a contact detection head, a third sliding block, a fourth sliding block, a fifth sliding block and a sixth sliding block, wherein the bearing device is arranged on the mounting table on one side deviating from the three-axis linkage conveying device, the first sliding block is fixedly connected with the mounting plate, the mounting plate is arranged on the first sliding block, the contact detection head is arranged on the mounting plate, and the contact detection head is electrically connected with a detector which is arranged in a control box which is arranged on the mounting table.

Triaxial linkage conveyor is including installing X on the mount table to sharp slip table, and X has the support column to the rigid coupling on sharp slip table's the slider two, installs Y on the support column to sharp slip table, and Y has the backup pad to the rigid coupling on sharp slip table's the slider three, installs the cylinder in the backup pad, and the piston rod one end that the cylinder is connected is installed sampling device, cylinder can drive the piston rod and drive sampling device and do the linear motion of direction from top to bottom.

The X-direction linear sliding table is connected with a first stepping motor; the Y-direction linear sliding table is connected with a second stepping motor; and the vertical linear sliding table is connected with a third stepping motor.

The first stepping motor, the second stepping motor, the third stepping motor and the cylinder are electrically connected with a controller arranged in the control box.

The sampling device comprises a buffer plate fixedly connected with a piston rod, the lower end of the buffer plate is connected with a sucker, the lower end of the sucker is provided with a plurality of suction nozzles, and the suction nozzles are connected with air extraction equipment arranged on the supporting plate.

The upper end of the sucker is fixedly connected with a first buffer rod, and the upper end of the first buffer rod is inserted into a first buffer groove arranged at the lower end of the buffer plate; the first buffer rod is sleeved with a first spring, and the upper end and the lower end of the first spring are respectively connected with the buffer plate and the sucker.

And a collecting frame is arranged at one end of the X-direction linear sliding table.

The bearing device comprises a base, a U-shaped positioning plate is mounted on the base, and an anti-static plate is arranged in a U-shaped groove of the U-shaped positioning plate.

The lower end of the anti-static plate is fixedly connected with a second buffer rod, and the lower end of the second buffer rod is inserted into a second buffer groove formed in the base; a second spring is sleeved on the second buffer rod.

And a positioning cylinder is arranged on the mounting table on one side of the opening of the U-shaped positioning plate and connected with a second piston rod, and a push plate is fixedly connected to the second piston rod.

The utility model has the advantages that:

1. the utility model can automatically detect the resistance of the circuit board without manual detection;

2. the utility model can remove unqualified circuit boards, and is suitable for the requirement of automatic production;

3. the utility model discloses simple structure, easy maintenance, manufacturing cost is lower.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the mounting table of the present invention;

FIG. 3 is a schematic structural view of the sampling device of the present invention;

fig. 4 is a top view of the carrying device of the present invention;

fig. 5 is a sectional view taken along line a-a in fig. 4.

Labeled as: the device comprises an installation table 101, a control box 102, a vertical linear sliding table 103, a positioning cylinder 104, a collection frame 105, a conveyor belt 106, an installation plate 107, a contact detection head 108, a Y-direction linear sliding table 109, a support column 110, a cylinder 111, a support plate 112, an air suction device 113, an X-direction linear sliding table 114, a bearing device 200, an antistatic plate 201, a U-shaped positioning plate 202, a second buffer rod 203, a second spring 204, a second buffer groove 205, a base 206, a sampling device 300, a buffer plate 301, a first buffer groove 302, a first buffer rod 303, a first spring 304, a suction cup 305 and a suction nozzle 306.

Detailed Description

As shown in the figure, the contact resistance detection device comprises an installation table 101 arranged beside a conveyor belt 106, wherein a three-axis linkage conveying device is arranged on one end, close to the conveyor belt 106, of the installation table 101, and a sampling device 300 is arranged on the three-axis linkage conveying device. The three-axis linkage conveying device can drive the sampling device 300 to move above the conveying belt 106, the sampling device 300 can take out the circuit board on the conveying belt 106, and the three-axis linkage conveying device drives the sampling device 300 to send the circuit board to be detected. If the resistance of the circuit board is qualified, the triaxial linkage conveying device drives the sampling device 300 to send the circuit board back to the transmission belt 106; if the resistance of the circuit board is not qualified, the sampling device 300 is driven by the three-axis linkage conveying device to convey the circuit board to a recovery position. Specifically, a bearing device 200 is installed on an installation platform 101 on one side, away from the conveying belt 106, of the three-axis linkage conveying device, a vertical linear sliding table 103 is installed on the installation platform 101 on one side, away from the three-axis linkage conveying device, of the bearing device 200, a first sliding block of the vertical linear sliding table 103 is fixedly connected with an installation plate 107, a contact detection head 108 is installed on the installation plate 107, and the contact detection head 108 is electrically connected with a detector electrically arranged in a control box 102 installed on the installation platform 101. After the triaxial linkage conveying device drives the sampling device 300 to convey the circuit board to the bearing device 200, the vertical linear sliding table 103 drives the mounting plate 107 to be communicated with the contact detection head 108 to move downwards until the contact detection head 108 is contacted with a contact on the circuit board, so that the resistance of each component on the circuit board is detected.

In this embodiment, the three-axis linkage conveying device includes an X-direction linear sliding table 114 installed on the installation table 101, a supporting column 110 is fixedly installed on a second sliding block of the X-direction linear sliding table 114, a Y-direction linear sliding table 109 is installed on the supporting column 110, a supporting plate 112 is fixedly installed on a third sliding block of the Y-direction linear sliding table 109, and the Y-direction linear sliding table 109 can drive the supporting plate 112 to move back and forth between the bearing device 200 and the conveyor belt 106. The supporting plate 112 is provided with an air cylinder 111, one end of a piston rod connected with the air cylinder 111 is provided with the sampling device 300, and the air cylinder 111 can drive the piston rod to drive the sampling device 300 to do linear motion in the vertical direction. In order to meet the requirement of automatic production, X is connected with step motor I to sharp slip table 114, and Y is connected with step motor II to sharp slip table 109, and vertical sharp slip table 103 is connected with step motor III. The first stepping motor, the second stepping motor, the third stepping motor and the cylinder 111 are electrically connected with a controller arranged in the control box 102. The cylinder 111 drives the piston rod to drive the sampling device 300 to move downwards, the sampling device 300 takes out the circuit board on the conveying belt 106, the Y-direction linear sliding table 109 drives the supporting plate 112 and the sampling device 300 to move to the position of the bearing device 200, the X-direction linear sliding table 114 drives the Y-direction linear sliding table 109 and the sampling device 300 to move to the position above the bearing device 200, the cylinder 111 drives the piston rod to drive the sampling device 300 to move downwards, the sampling device 300 places the circuit board on the bearing device 200, the X-direction linear sliding table 114 drives the Y-direction linear sliding table 109 and the sampling device 300 to exit, the vertical linear sliding table 103 drives the mounting plate 107 to communicate with the contact detection head 108 to move downwards until the contact detection head 108 is contacted with a contact on the circuit board, and therefore resistance of various components on the circuit board is detected. If the resistance of the circuit board is qualified, the triaxial linkage conveying device drives the sampling device 300 to send the circuit board back to the transmission belt 106; if the resistance of the circuit board is not qualified, the sampling device 300 is driven by the three-axis linkage conveying device to convey the circuit board to a recovery position. Specifically, a collection frame 105 is provided at one end of the X-direction linear slide table 114. The defective boards are sent to the collection frame 105.

In this embodiment, the sampling device 300 includes a buffer plate 301 fixedly connected to the first piston rod, a suction cup 305 is connected to a lower end of the buffer plate 301, a plurality of suction nozzles 306 are installed at a lower end of the suction cup 305, and the suction nozzles 306 are connected to the air suction device 113 installed on the support plate 112. The damage of the clamping device to the circuit board can be avoided through vacuum adsorption.

In this embodiment, a first buffer rod 303 is fixedly connected to the upper end of the suction cup 305, and the upper end of the first buffer rod 303 is inserted into a first buffer slot 302 formed at the lower end of the buffer plate 301. The first spring 304 is sleeved on the first buffer rod 303, and the upper end and the lower end of the first spring 304 are respectively connected with the buffer plate 301 and the sucker 305. When the cylinder 111 drives the piston rod to drive the sampling device 300 to move downwards until the suction cup 305 contacts with the circuit board, the piston rod can continue to move downwards for a certain stroke, so that the suction cup 305 can be fully contacted with the circuit board, and meanwhile, the buffering performance is realized, and the circuit board damage caused by excessive extrusion is avoided.

In this embodiment, the supporting device 200 includes a base 206, a "U" positioning plate 202 is mounted on the base 206, and an anti-static plate 201 is disposed in a "U" groove of the "U" positioning plate 202. The U-shaped positioning plate 202 enables the circuit board to be accurately placed on the anti-static plate 201, and therefore detection accuracy is improved. The second buffer rod 203 is fixedly connected to the lower end of the anti-static plate 201, the lower end of the second buffer rod 203 is inserted into the second buffer groove 205 formed in the base 206, and the second spring 204 is sleeved on the second buffer rod 203. Thereby providing a certain cushioning property.

In this embodiment, the mounting table 101 located at one side of the opening of the U-shaped positioning plate 202 is provided with a positioning cylinder 104, the positioning cylinder 104 is connected with a second piston rod, and a push plate is fixedly mounted on the second piston rod. After the circuit board is placed on the anti-static board 201, the piston rod two can be driven by the positioning cylinder 104 to drive the push plate to move towards the circuit board, and the push plate is helpful for pushing the circuit board to an accurate position.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A contact resistance detection device, characterized in that: the device comprises a mounting table (101) arranged beside a conveyor belt (106), wherein a three-axis linkage conveying device is arranged at one end, close to the conveyor belt (106), of the mounting table (101), and a sampling device (300) is arranged on the three-axis linkage conveying device; a bearing device (200) is arranged on the mounting table (101) which is positioned on one side of the three-axis linkage conveying device, which is far away from the conveying belt (106); the mounting table (101) on one side, away from the triaxial linkage conveying device, of the bearing device (200) is provided with a vertical linear sliding table (103), a first sliding block of the vertical linear sliding table (103) is fixedly connected with a mounting plate (107), the mounting plate (107) is provided with a contact detection head (108), and the contact detection head (108) is electrically connected with a detector which is arranged in a control box (102) mounted on the mounting table (101).

2. The contact resistance detecting device according to claim 1, wherein: triaxial linkage conveyor is including installing X on mount table (101) to sharp slip table (114), and X has support column (110) to going up the rigid coupling to two sliders of sharp slip table (114), installs Y on support column (110) to sharp slip table (109), and Y has backup pad (112) to the rigid coupling on three sliders of sharp slip table (109), installs cylinder (111) on backup pad (112), and the piston rod one end that cylinder (111) are connected is installed sampling device (300), cylinder (111) can drive piston rod one and drive sampling device (300) and do the linear motion of direction from top to bottom.

3. The contact resistance detecting device according to claim 2, wherein: the X-direction linear sliding table (114) is connected with a first stepping motor; the Y-direction linear sliding table (109) is connected with a second stepping motor; and the vertical linear sliding table (103) is connected with a third stepping motor.

4. The contact resistance detecting device according to claim 3, wherein: the first stepping motor, the second stepping motor, the third stepping motor and the air cylinder (111) are electrically connected with a controller arranged in the control box (102).

5. The contact resistance detecting device according to claim 2, wherein: the sampling device (300) comprises a buffer plate (301) fixedly connected with a piston rod, the lower end of the buffer plate (301) is connected with a sucker (305), the lower end of the sucker (305) is provided with a plurality of suction nozzles (306), and the suction nozzles (306) are connected with air extraction equipment (113) arranged on a support plate (112).

6. The contact resistance detecting device according to claim 5, wherein: the upper end of the sucking disc (305) is fixedly connected with a first buffer rod (303), and the upper end of the first buffer rod (303) is inserted into a first buffer groove (302) arranged at the lower end of the buffer plate (301); the first spring (304) is sleeved on the first buffer rod (303), and the upper end and the lower end of the first spring (304) are respectively connected with the buffer plate (301) and the sucker (305).

7. The contact resistance detecting device according to claim 2, wherein: one end of the X-direction linear sliding table (114) is provided with a collecting frame (105).

8. The contact resistance detecting device according to claim 1, wherein: the bearing device (200) comprises a base (206), a U-shaped positioning plate (202) is installed on the base (206), and an anti-static plate (201) is arranged in a U-shaped groove of the U-shaped positioning plate (202).

9. The contact resistance detecting device according to claim 8, wherein: the lower end of the anti-static plate (201) is fixedly connected with a second buffer rod (203), and the lower end of the second buffer rod (203) is inserted into a second buffer groove (205) arranged on the base (206); a second spring (204) is sleeved on the second buffer rod (203).

10. The contact resistance detecting device according to claim 8 or 9, characterized in that: and a positioning cylinder (104) is arranged on the mounting table (101) positioned on one side of the opening of the U-shaped positioning plate (202), the positioning cylinder (104) is connected with a second piston rod, and a push plate is fixedly connected to the second piston rod.