CN214723565U

CN214723565U - Test fixing frame

Info

Publication number: CN214723565U
Application number: CN202120257191.5U
Authority: CN
Inventors: 臧柏锐; 何芊; 何辉; 赖少兵; 王勇; 包磊; 陈嘉宝
Original assignee: Guangzhou U&i Technology Co ltd
Current assignee: Guangzhou U&i Technology Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-16
Anticipated expiration: 2031-01-29

Abstract

The utility model relates to a test equipment technical field specifically discloses a test mount. The test fixing frame comprises a carrying plate, a clamping assembly and a mechanical arm; the four clamping assemblies are respectively arranged in four directions, namely front, back, left and right to form a clamping cavity, and can clamp the piece to be tested in the clamping cavity; the arm is equipped with two, and the arm is installed on carrying the thing board, and the end connection of arm has the probe, and the arm can adjust the probe for carrying the position of thing board, and two probes all are connected with the measuring equipment electricity, and the probe is used for measuring the electric power parameter of the piece that awaits measuring. This test mount utilizes the centre gripping chamber that four centre gripping subassemblies constitute, can guarantee the stability to installing the piece centre gripping that awaits measuring wherein, utilizes the arm to make the probe measure the piece that awaits measuring that is located different positions.

Description

Test fixing frame

Technical Field

The utility model relates to a test equipment technical field especially relates to a test mount.

Background

When a universal meter is used for measuring voltage, current and other parameters of products, printed circuit boards and the like, the universal meter is prone to detecting errors, short circuits and other problems due to the fact that the products are incapable of detecting and difficult to fix due to the fact that the products are precise in structure and circuit and the like.

In order to solve the above problems, in the prior art, a test fixture is often used to test whether a product or a circuit board achieves the performance or effect expected by a designer, and the test fixture can detect the defects of the circuit board, so that the test fixture is widely applied to the production process of electronic products. The current test fixing frame is usually used for completing the positioning operation of a piece to be measured by arranging a groove matched with a product on an object carrying plate, the application range of the current test fixing frame is narrow, the positioning effect is poor, the situation that the position of the piece to be measured deviates due to accidents cannot be avoided, the damage to the piece to be measured and measuring equipment is easily caused, and the potential safety hazard is brought to the measuring work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a test mount to solve the poor and narrow problem of application scope of test mount location effect.

To achieve the purpose, the utility model adopts the following technical proposal:

a test fixing frame comprises a carrying plate, a clamping assembly and a mechanical arm; the four clamping assemblies are respectively arranged in four directions, namely front, back, left and right to form a clamping cavity, and can clamp the piece to be tested in the clamping cavity; the mechanical arm is equipped with two, the mechanical arm install in carry on the thing board, the end connection of mechanical arm has the probe, the mechanical arm can be adjusted the probe for carry the position of thing board, two the probe all is connected with the measuring equipment electricity, the probe is used for measuring the electric power parameter of piece that awaits measuring.

Preferably, the clamping assembly comprises a fixing block, a clamping plate and a first elastic piece; the fixed block link firmly in carry on the thing board, the both ends of first elastic component are connected respectively the fixed block with the grip block, the grip block can remove on the extending direction of first elastic component.

Preferably, the clamping assembly comprises a fixed block, a clamping plate, an adjusting block and a first elastic piece; the fixed block is fixedly connected to the carrying plate, a fixed pipe is fixedly connected to the fixed block, the fixed pipe is sleeved with the adjusting block, and the adjusting block can move on the fixed pipe; the telescopic link has been linked firmly on carrying the thing board, the telescopic link wears to establish fixed pipe, first elastic component cover is established the telescopic link, just first elastic component both ends respectively the butt in the regulating block with on the grip block, the grip block can move on the extending direction of first elastic component.

Furthermore, the clamping assembly also comprises a positioning pin, a plurality of positioning holes are formed in the fixing pipe, and an adjusting block hole is formed in the adjusting block; the positioning pin can be simultaneously inserted into the adjusting block hole and the positioning hole.

Preferably, the first elastic member is a first spring.

Preferably, the probe comprises a measuring end, a needle body and a connecting end which are connected in sequence, the measuring end is used for contacting the piece to be measured, and the connecting end is electrically connected with the measuring equipment.

Furthermore, the measuring end comprises a telescopic measuring head and a measuring head pipe, wherein the telescopic measuring head is used for contacting the piece to be measured and slidably penetrates through the measuring head pipe.

Furthermore, the measuring end further comprises a second elastic part, the second elastic part is arranged in the measuring head pipe, one end of the second elastic part is abutted with the telescopic measuring head, and the other end of the second elastic part is abutted with the measuring head pipe.

Still further, the measuring end still includes the cardan shaft, cardan shaft one end with the gauge head pipe links firmly, the other end with the needle body links firmly.

Preferably, the mechanical arm comprises a first arm and a second arm, two ends of the first arm are respectively and rotatably connected with a rotating shaft and the second arm, the other end of the second arm is rotatably connected with a probe fixing piece, the probe is inserted into the probe fixing piece, and the rotating shaft is rotatably connected to the object carrying plate.

The utility model has the advantages that:

the clamping cavity is arranged so that the to-be-tested piece arranged in the clamping cavity is clamped by the four clamping assemblies in four directions, namely front, back, left and right; the arrangement can ensure the stability of the test fixing frame for clamping the to-be-tested piece, and also ensure that the test fixing frame can clamp the to-be-tested pieces with different sizes, thereby improving the application range of the test fixing frame; utilize the arm to make the probe measure the piece that awaits measuring that is located different positions, can also reduce the risk that the piece that awaits measuring and measuring equipment damage when having improved test mount measurement operating efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a test fixture according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a clamping assembly provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a probe according to an embodiment of the present invention.

In the figure:

100. a loading plate; 200. a clamping assembly; 210. a fixed block; 220. a clamping plate; 230. a fixed tube; 231. positioning holes; 240. a telescopic rod; 250. an adjusting block; 251. adjusting block holes; 260. a first spring; 300. a probe; 310. a needle body; 320. a cardan shaft; 330. a head measuring tube; 340. a telescopic measuring head; 350. a connecting end; 410. a probe holder; 420. a second arm; 430. a first arm; 440. a rotating shaft.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1, the present embodiment provides a test fixture, which includes a carrier plate 100, a clamping assembly 200, and a robotic arm; four clamping assemblies 200 are arranged and are fixedly connected to the object carrying plate 100, and the four clamping assemblies 200 are respectively arranged in the front, back, left and right directions to form a clamping cavity and can clamp the piece to be tested in the clamping cavity; the arm is equipped with two, and the arm is installed on carrying thing board 100, and the end connection of arm has probe 300, and the arm can adjust probe 300 for carrying the position of thing board 100, and two probe 300 all are connected with measuring equipment electricity, and probe 300 is used for measuring the electric power parameter of the piece that awaits measuring. The clamping cavity is arranged so that the to-be-tested piece arranged in the clamping cavity is clamped by the four clamping assemblies 200 in four directions, namely front, back, left and right; the arrangement can ensure the stability of the test fixing frame for clamping the to-be-tested piece, and also ensure that the test fixing frame can clamp the to-be-tested pieces with different sizes, thereby improving the application range of the test fixing frame; utilize the arm to make probe 300 measure the piece that awaits measuring that is located different positions, can also reduce the risk that the piece that awaits measuring and measuring equipment damage when having improved test mount measurement operating efficiency. Specifically, the material of the carrier plate 100 is preferably metal.

In other embodiments of the present invention, the number of the clamping assemblies 200 is 4N, and N clamping assemblies 200 are disposed in parallel in each direction.

As shown in fig. 2, the clamping assembly 200 includes a fixing block 210, a clamping plate 220, an adjusting block 250, and a first elastic member; the fixed block 210 is fixedly connected to the carrier plate 100, the fixed block 210 is fixedly connected to the fixed tube 230, the fixed tube 230 is sleeved with the adjusting block 250, and the adjusting block 250 can move on the fixed tube 230; the object carrying plate 100 is fixedly connected with a telescopic rod 240, the telescopic rod 240 penetrates through the fixing tube 230, the telescopic rod 240 is sleeved with the first elastic member, two ends of the first elastic member are respectively abutted against the adjusting block 250 and the clamping plate 220, and the clamping plate 220 can move in the extending direction of the first elastic member. Due to the arrangement, an operator can adjust the clamping force of the clamping assembly 200 on the to-be-tested part in a manner of changing the position of the adjusting block 250, and the situations of deviation or damage of the to-be-tested part and the like caused by improper clamping force are avoided; through setting up fixed pipe 230 and telescopic link 240, can avoid taking place because of the condition that grip block 220 atress direction is different with the elastic component extending direction and lead to centre gripping subassembly 200 centre gripping direction skew, when having guaranteed centre gripping stability, still reduced the probability that causes the damage to the piece that awaits measuring, improved the security of test mount work.

Preferably, the clamping assembly 200 further includes a positioning pin, the fixing tube 230 is provided with a plurality of positioning holes 231, and the adjusting block 250 is provided with an adjusting block hole 251; the positioning pin can be inserted into the adjusting block hole 251 and one positioning hole 231 at the same time. The positioning pin facilitates the positioning operation of the adjusting block 250, simplifies the measuring process of the same piece to be measured, and improves the working efficiency of operators. Specifically, a plurality of positioning holes 231 are provided at equal intervals in the extending direction of the fixing tube 230, and the adjusting block hole 251 can be directly opposite to each positioning hole 231.

In other embodiments of the present invention, the clamping assembly 200 includes a fixed block 210, a clamping plate 220, and a first elastic member; the fixed block 210 is fixedly connected to the carrying board 100, two ends of the first elastic member are respectively connected to the fixed block 210 and the clamping plate 220, and the clamping plate 220 can move in the extending direction of the first elastic member. The device is simple in structure, low in cost and convenient to maintain.

Preferably, the first elastic member is a first spring 260. The first spring 260 has a simple structure, low production cost and long service life.

As shown in fig. 3, the probe 300 includes a measuring end, a probe body 310 and a connecting end 350, which are connected in sequence, wherein the measuring end is used for contacting a piece to be measured, and the connecting end 350 is electrically connected with a measuring device. The measuring end and the connecting end 350 are connected with two ends of the needle body 310, so that the operation of connecting the measuring equipment and aligning the contact position of the piece to be measured by an operator is facilitated, the potential safety hazard of a test fixing frame is reduced, and the working efficiency of the measuring operation is improved. Specifically, the end of the mechanical arm is fixedly connected with the needle body 310.

In this embodiment, the measuring end includes a telescopic measuring head 340 and a measuring head tube 330, and the telescopic measuring head 340 is used for contacting the piece to be measured and slidably disposed through the measuring head tube 330. The slidable arrangement of the telescopic measuring head 340 not only reduces the difficulty of adjusting the position of the probe 300 during the measurement operation, but also reduces the probability of damage to the to-be-measured part caused by the telescopic measuring head 340.

Preferably, the measuring end further includes a second elastic member, the second elastic member is disposed in the probe tube 330, one end of the second elastic member abuts against the retractable probe 340, and the other end abuts against the probe tube 330. The arrangement of the second elastic member ensures that the telescopic measuring head 340 can be slidably arranged, so that the probe 300 can work reliably. Specifically, the second elastic member is a second spring.

Preferably, the measuring end further comprises a universal shaft 320, one end of the universal shaft 320 is fixedly connected with the probe tube 330, and the other end of the universal shaft 320 is fixedly connected with the needle body 310. The provision of the cardan shaft 320 further enlarges the position that can be reached during the measurement operation of the probe 300, further ensuring the operational reliability of the probe 300.

With reference to fig. 1, the robot arm includes a first arm 430 and a second arm 420, two ends of the first arm 430 are respectively and rotatably connected with a rotating shaft 440 and the second arm 420, the other end of the second arm 420 is rotatably connected with a probe fixing member 410, the probe 300 is inserted into the probe fixing member 410, and the rotating shaft 440 is rotatably connected to the carrier plate 100. The position of probe 300 for carrying thing board 100 can be adjusted to the arm, and the setting up of arm makes the contact that probe 300 can the multi-angle piece that awaits measuring, greatly adjusts the time that the probe 300 position lost, has improved the efficiency of work.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A test fixture, comprising:

a carrier plate (100);

the four clamping assemblies (200) are fixedly connected to the carrying plate (100), and are respectively arranged in four directions, namely front, back, left and right to form a clamping cavity which can clamp the piece to be tested in the clamping cavity;

the mechanical arm is equipped with two, the mechanical arm install in carry on thing board (100), the end connection of mechanical arm has probe (300), the mechanical arm can be adjusted probe (300) for carry the position of thing board (100), two probe (300) all are connected with measuring equipment electricity, probe (300) are used for measuring the electric power parameter of piece awaits measuring.

2. The test fixture of claim 1, wherein the clamping assembly (200) comprises a fixed block (210), a clamping plate (220), and a first resilient member; fixed block (210) link firmly carry on thing board (100), the both ends of first elastic component are connected respectively fixed block (210) with grip block (220), grip block (220) can move on the extending direction of first elastic component.

3. The test fixture according to claim 1, wherein the clamping assembly (200) comprises a fixed block (210), a clamping plate (220), an adjustment block (250), and a first resilient member; the fixed block (210) is fixedly connected to the carrying plate (100), a fixed pipe (230) is fixedly connected to the fixed block (210), the adjusting block (250) is sleeved on the fixed pipe (230), and the adjusting block (250) can move on the fixed pipe (230); carry and link firmly telescopic link (240) on thing board (100), telescopic link (240) are worn to establish fixed pipe (230), first elastic component cover is established telescopic link (240), just first elastic component both ends respectively the butt in regulating block (250) with on grip block (220), grip block (220) can remove on the extending direction of first elastic component.

4. The test fixture of claim 3, wherein the clamping assembly (200) further comprises a locating pin, the mounting tube (230) having a plurality of locating holes (231) therein, the adjustment block (250) having an adjustment block hole (251) therein; the positioning pin can be simultaneously inserted into the adjusting block hole (251) and one positioning hole (231).

5. A test fixture according to any one of claims 2-4, in which the first resilient member is a first spring (260).

6. The test fixture according to claim 1, wherein the probe (300) comprises a measuring end, a needle body (310) and a connecting end (350) connected in sequence, the measuring end is used for contacting the piece to be tested, and the connecting end (350) is electrically connected with the measuring equipment.

7. The test fixture of claim 6, wherein the measurement end comprises a retractable probe (340) and a probe tube (330), the retractable probe (340) being adapted to contact the test object and slidably disposed through the probe tube (330).

8. The test fixture of claim 7, wherein the measurement end further comprises a second resilient member disposed within the probe tube (330), the second resilient member having one end abutting the telescoping probe (340) and another end abutting the probe tube (330).

9. The test fixture of claim 8, wherein the measurement end further comprises a cardan shaft (320), one end of the cardan shaft (320) being fixedly connected to the probe tube (330) and the other end being fixedly connected to the needle body (310).

10. The test fixture of claim 1, wherein the robotic arm comprises a first arm (430) and a second arm (420), wherein two ends of the first arm (430) are respectively rotatably connected with a rotating shaft (440) and the second arm (420), the other end of the second arm (420) is rotatably connected with a probe fixing member (410), the probe (300) is plugged on the probe fixing member (410), and the rotating shaft (440) is rotatably connected on the object carrying plate (100).