CN218675194U

CN218675194U - Triode centre gripping test fixture

Info

Publication number: CN218675194U
Application number: CN202223005980.3U
Authority: CN
Inventors: 廖顺才; 赵林洁
Original assignee: Chaohe Microelectronics Technology Dongguan Co ltd
Current assignee: Chaohe Microelectronics Technology Dongguan Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-21
Anticipated expiration: 2032-11-11

Abstract

A triode clamping test tool. The method comprises the following steps: workstation, propelling movement subassembly, locate the jacking subassembly of workstation below. A boss is arranged above the workbench, a plurality of concave parts with uniform intervals are arranged on the boss along the length direction of the boss, a bearing frame for placing the triode is arranged in each concave part, and three test slots are arranged at one end of each concave part in the length direction and used for penetrating through pins of the triode; the pushing assembly is arranged on one side of the length direction of the workbench and comprises a plurality of pushing plates arranged in the concave part and moving along the width direction of the workbench, and the pushing plates are used for pushing the bearing frame to the test slots. The jacking assembly comprises a transverse plate which is penetrated with a plurality of ejector rods in a sliding mode, an ejector block is further arranged at the upper end of each ejector rod, a plurality of through holes are formed in the workbench, the ejector blocks are located in the through holes, a support is arranged below the through holes, a sliding groove is formed in the support along the length direction of the support, and the ejector rods penetrate through the sliding groove. In the detection process, the pins of the triodes are prevented from being bent, a plurality of triodes can be detected simultaneously, the detection efficiency is improved, and the device has high practicability.

Description

Triode centre gripping test fixture

Technical Field

The utility model relates to a semiconductor device production technical field especially is relevant with a triode centre gripping test fixture.

Background

The triode is a semiconductor device for controlling current, has the function of amplifying a weak signal into an electric signal with a large amplitude value, and is a core element of an electronic circuit. In the production process of triode, whether its route is normal need be detected to every triode, the conventional detection mode all adopts the universal meter to directly test the triode, generally adopt automation equipment to detect when output is great, but output constantly changes along with the order demand, when output is than hour, if still adopt automation equipment to produce and can lead to the cost to rise by a wide margin, will adopt artificial mode to detect the triode this moment, but because the volume of triode is less, very inconvenient when detecting, and the pin takes place the bending easily, cause the influence to product quality.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned relevant prior art, this application provides a triode centre gripping test fixture, in the testing process, avoids the triode pin crooked to can detect a plurality of triodes simultaneously, improve detection efficiency, have stronger practicality.

In order to achieve the above purpose, the utility model adopts the following technology:

a triode clamping test tool. The method comprises the following steps: workstation, propelling movement subassembly.

A boss is arranged above the workbench, a plurality of concave parts with uniform intervals are arranged on the boss along the length direction of the boss, a bearing frame for placing the triode is arranged in each concave part, and three test slots are arranged at one end of each concave part in the length direction and used for penetrating through pins of the triode; the pushing assembly is arranged on one side of the length direction of the workbench and comprises a plurality of pushing plates arranged in the concave part and moving along the width direction of the workbench, and the pushing plates are used for pushing the bearing frame to the test slots.

Furthermore, two adjacent bearing frames are connected through a connecting plate, the connecting plate is also arranged on the outer sides of the bearing frames at the two ends of the workbench, a through groove is formed in the concave portion, a through groove is formed in the outer side of the concave portion at the two ends of the workbench, the connecting plate is located in the through groove, a guide rod is arranged in the through groove along the length direction of the guide rod, a first spring is sleeved on the guide rod, and the two ends of the first spring are respectively abutted to the connecting plate and one end, close to the test groove, of the through groove.

Furthermore, one end of the bearing frame, which is close to the test slot, is also provided with a groove for bearing pins of the triode.

Furthermore, a sliding rod is arranged on one side of the push plate and sequentially penetrates through the boss and the supporting plate, the supporting plate is installed on the workbench, one end of the sliding rod is installed on the baffle, the baffle is used for abutting against the supporting plate, a second spring is further sleeved on the sliding rod, and two ends of the second spring abut against the push plate and the supporting plate.

Further, the propelling movement subassembly still includes the locking plate, and locking plate one side is used for the butt to the boss, and the locking plate opposite side is equipped with two connecting rods, is equipped with two draw-in grooves on the extension board, and the connecting rod is worn to locate in the draw-in groove, and connecting rod one end is equipped with the dog, and the dog is used for the butt to the baffle.

Further, still including locating the jacking subassembly of workstation below, the jacking subassembly includes the diaphragm, the diaphragm both ends are connected respectively in the removal end of sharp mechanism, sharp mechanism sets up along workstation width direction, slide on the diaphragm and wear to be equipped with a plurality of ejector pins, the ejector pin upper end still is equipped with the kicking block, be equipped with the even through-hole in a plurality of intervals on the workstation, the kicking block is located the through-hole, the through-hole below is equipped with the support, the support is equipped with the spout along its length direction, the ejector pin passes the spout, still be equipped with the third spring on the ejector pin, support and kicking block are received respectively to the third spring both ends, the ejector pin bottom is equipped with the retaining ring, a diaphragm is received in the butt joint.

Furthermore, a limiting groove with a downward opening is formed in one side of the through hole, the top of the limiting groove is an inclined plane, the top surface of the ejector block is also an inclined plane, and when the ejector block is located in the limiting groove, the top surface of the ejector block is matched with the top of the limiting groove.

Furthermore, the bearing frame is provided with a strip hole, and the strip hole is superposed with the through hole when the bearing frame is applied.

The utility model has the advantages that: in the detection process, the triodes are placed in the bearing frame and detected in the test slot, so that the pins of the triodes are supported, the pins of the triodes are prevented from being bent, the triodes can be detected simultaneously, and the detection efficiency is improved; after the detection is finished, the triode is jacked by the jacking assembly for a certain angle, the triode is prevented from being manually broken off, and the bending of pins of the triode is further avoided.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

Fig. 1 is a perspective view of the overall structure of an embodiment of the present application.

Fig. 2 is a perspective view of the entire structure of the bottom view angle according to the embodiment of the present application.

Fig. 3 is a schematic perspective view of a workbench according to an embodiment of the present application.

Fig. 4 is a perspective view of a carriage according to an embodiment of the present application.

Fig. 5 is a schematic cross-sectional view illustrating a jacking assembly according to an embodiment of the present disclosure.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, however, the described embodiments of the present invention are some, not all embodiments of the present invention.

As shown in fig. 1 to 5, the present embodiment provides a clamp test tool for a transistor. The method comprises the following steps: workstation 100, push assembly 200.

A boss 101 is arranged above the workbench 100, a plurality of concave parts 102 with uniform intervals are arranged on the boss 101 along the length direction of the boss, a bearing frame 103 for placing the triode is arranged in the concave part 102, three test slots 104 are arranged at one end of the concave part 102 along the length direction and used for penetrating through pins of the triode, and when the pins are positioned in the test slots 104, the pins can be detected; the pushing assembly 200 is disposed at one side of the length direction of the workbench 100, and includes a plurality of pushing plates 201 disposed in the concave portion 102 and moving along the width direction of the workbench 100, for pushing the carrying frame 103 towards the test slot 104.

Specifically, two adjacent carrier frames 103 are connected through a connecting plate 105, the outer sides of the carrier frames 103 at the two ends of the workbench 100 are also provided with the connecting plate 105, a through groove 106 is formed between the concave portions 102, the outer sides of the concave portions 102 at the two ends of the workbench 100 are also provided with the through groove 106, the connecting plate 105 is located in the through groove 106, a guide rod 107 is arranged in the through groove 106 along the length direction of the through groove 106, a first spring 108 is sleeved on the guide rod 107, the two ends of the first spring 108 are respectively abutted to the connecting plate 105 and one end, close to the test slot 104, of the through groove 106, when the carrier frames 103 need to be reset, the push plate 201 is located at one end, far away from the test slot 104, of the test slot 101, at the moment, the first spring 108 pushes the connecting plate 105 to move, so as to drive the carrier frames 103 to move.

Specifically, one end of the bearing frame 103, which is close to the test slot 104, is further provided with a groove 109 for bearing pins of the triode, and the groove 109 has a certain distance from the bottom surface of the bearing frame 103, on which the triode is placed, so that the clamping of the triode is ensured, and the pin can pass through the groove, and the groove can smoothly enter the test slot 104.

Specifically, a sliding rod 202 is arranged on one side of a push plate 201, the sliding rod 202 sequentially penetrates through a boss 101 and a support plate 110, the support plate 110 is mounted on the workbench 100, one end of the sliding rod 202 is mounted on a baffle 203, the baffle 203 is used for abutting against the support plate 110, a second spring 204 is further sleeved on the sliding rod 202, two ends of the second spring 204 abut against the push plate 201 and the support plate 110, and the elastic force of the second spring 204 is greater than that of the first spring 108, so that when the baffle 203 is loosened, the bearing frame 201 can move towards the test slot 104 under the action of the second spring 204.

Specifically, the pushing assembly 200 further includes a stop plate 205, one side of the stop plate 205 is configured to abut against the boss 101, the other side of the stop plate 205 is provided with two connecting rods 206, the support plate 110 is provided with two clamping grooves 111, the connecting rods 206 are disposed in the clamping grooves 111 in a penetrating manner, one end of each connecting rod 206 is provided with a stopper 207, and the stopper 207 is configured to abut against the baffle 203, so that the pushing plate 201 can be kept at the position, and subsequent operations are facilitated.

Specifically, this frock is still including locating jacking subassembly 300 of workstation 100 below, jacking subassembly 300 includes diaphragm 301, diaphragm 301 both ends are connected respectively in linear mechanism's removal end, linear mechanism sets up along workstation 100 width direction, and linear mechanism can adopt the mode of motor lead screw to drive, be about to diaphragm 301 cover locate on the lead screw, motor drive lead screw rotates, thereby drive diaphragm 301 and remove along linear direction, it is equipped with a plurality of ejector pins 302 to slide on diaphragm 301, ejector pin 302 upper end still is equipped with kicking block 303, be equipped with a plurality of through-holes 112 that the interval is even on workstation 100, kicking block 303 is located through-hole 112, through-hole 112 below is equipped with support 113, support 113 is equipped with spout 114 along its length direction, ejector pin 302 passes spout 114, still be equipped with third spring 304 on ejector pin 302, support 113 and kicking block 303 are supported respectively to third spring 304 both ends butt, under the effect of third spring 304, make kicking block 303 have the trend of upward movement, the bottom of ejector pin 302 is equipped with retaining ring 305, be used for butt to diaphragm 301.

Specifically, a limiting groove 115 with a downward opening is formed in one side of the through hole 112, the top of the limiting groove 115 is an inclined surface, the top surface of the top block 303 is also an inclined surface, when the top block 303 is located in the limiting groove 115, the top surface of the top block 303 is matched with the top of the limiting groove 115, and when the top block 303 moves towards the through hole 112 from the limiting groove 115, the top block 303 pops up under the action of the third spring 304.

More specifically, after the top block 303 pops up, because the bearing frame 103 is provided with the strip hole 116, when the bearing frame 103 resets, the strip hole 116 coincides with the through hole 112, and the top block 303 exceeds the strip hole by a certain distance, so as to jack up the triode by a certain angle, thereby facilitating taking the triode.

Specific embodiments are described below:

firstly, a triode is placed in the bearing frame 103, the pin of the triode is positioned in the groove 109, then the baffle plate 203 is slowly loosened, the push plate 201 moves forwards under the elastic force of the second spring 204, so that the bearing frame 201 is pushed to move towards the test slot 104, when the bearing frame 201 moves from one end of the concave part 102 to the other end, the pin of the triode is positioned in the test slot, at the moment, the detection can be carried out on the triode, after the detection is finished, the baffle plate 203 is pulled back, the bearing frame 103 is reset under the action of the first spring 108, at the moment, the connecting rod 206 is placed in the clamping slot 111, the stop plates 205 and the stop blocks 207 at the two ends of the connecting rod 206 are respectively abutted to the boss 101 and the baffle plate 203, the push plate 201 is prevented from moving, at the moment, the long strip hole 116 in the center of the bearing frame 103 is overlapped with the through hole 112, the linear mechanism is started, the transverse plate 301 moves, the push rod 302 is driven to move together, the top block 303 gradually moves from the limiting slot 115 to the area of the through hole 112, and under the action of the third spring 304, the top block 303 moves upwards until the long strip hole 116 exceeds a preset distance, so that the triode is jacked up at a certain angle, and the triode can be conveniently taken out of the bearing frame 103.

The above is merely a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a triode centre gripping test fixture which characterized in that includes:

the testing device comprises a workbench (100), wherein a boss (101) is arranged above the workbench (100), a plurality of concave parts (102) with uniform intervals are arranged on the boss (101) along the length direction of the boss, a bearing frame (103) for placing a triode is arranged in each concave part (102), and three testing grooves (104) are arranged at one end of each concave part (102) in the length direction and used for penetrating through pins of the triode;

the pushing assembly (200) is arranged on one side of the length direction of the workbench (100), and comprises a plurality of pushing plates (201) which are arranged in the concave part (102) and move along the width direction of the workbench (100) and used for pushing the bearing frame (103) to the test slot (104).

2. The triode clamping test tool according to claim 1, wherein two adjacent bearing frames (103) are connected through a connecting plate (105), the connecting plate (105) is arranged on the outer sides of the bearing frames (103) at two ends of the workbench (100), a through groove (106) penetrating through the through groove is formed between the concave parts (102), the through groove (106) is arranged on the outer sides of the concave parts (102) at two ends of the workbench (100), the connecting plate (105) is arranged in the through groove (106), a guide rod (107) is arranged in the through groove (106) along the length direction of the through groove, a first spring (108) is sleeved on the guide rod (107), and two ends of the first spring (108) are respectively abutted to one end, close to the test groove (104), of the connecting plate (105) and one end, close to the through groove (106).

3. The clamping test tool for the triode of claim 1, wherein a groove (109) is further formed in one end, close to the test slot (104), of the carrying frame (103) and used for carrying pins of the triode.

4. The triode clamping test tool according to claim 1, wherein a sliding rod (202) is arranged on one side of the push plate (201), the sliding rod (202) sequentially penetrates through the boss (101) and the support plate (110), the support plate (110) is installed on the workbench (100), one end of the sliding rod (202) is installed on a baffle (203), the baffle (203) is used for abutting against the support plate (110), a second spring (204) is further sleeved on the sliding rod (202), and two ends of the second spring (204) abut against the push plate (201) and the support plate (110).

5. The triode clamp test fixture according to claim 4, wherein the pushing assembly (200) further comprises a stop plate (205), one side of the stop plate (205) is used for abutting against the boss (101), the other side of the stop plate (205) is provided with two connecting rods (206), the support plate (110) is provided with two clamping grooves (111), the connecting rods (206) are arranged in the clamping grooves (111) in a penetrating manner, one end of each connecting rod (206) is provided with a stop block (207), and the stop blocks (207) are used for abutting against the baffle (203).

6. The triode clamping test tool according to any one of claims 1 to 5, further comprising a jacking assembly (300) arranged below the workbench (100), wherein the jacking assembly (300) comprises a transverse plate (301), two ends of the transverse plate (301) are respectively connected to a moving end of a linear mechanism, the linear mechanism is arranged along the width direction of the workbench (100), a plurality of ejector rods (302) penetrate through the transverse plate (301) in a sliding manner, an ejector block (303) is further arranged at the upper end of the ejector rod (302), a plurality of through holes (112) with uniform intervals are formed in the workbench (100), the ejector block (303) is located in the through hole (112), a support (113) is arranged below the through hole (112), a sliding groove (114) is formed in the support (113) along the length direction of the support, the ejector rod (302) penetrates through the sliding groove (114), a third spring (304) is further arranged on the ejector rod (302), two ends of the third spring (304) are respectively abutted to the support (113) and the ejector block (303), a retaining ring (305) is arranged at the bottom of the transverse plate (302) and used for abutting against the ejector rod (301).

7. The triode clamping test tool according to claim 6, wherein a limiting groove (115) with a downward opening is formed in one side of the through hole (112), the top of the limiting groove (115) is an inclined surface, the top surface of the top block (303) is also an inclined surface, and when the top block (303) is located in the limiting groove (115), the top surface of the top block (303) is matched with the top of the limiting groove (115).

8. The triode clamp test fixture of claim 6, wherein the bearing frame (103) is provided with a strip hole (116), and when the triode clamp test fixture is applied, the strip hole (116) is overlapped with the through hole (112).