CN210982543U

CN210982543U - Pressing device for circuit board testing

Info

Publication number: CN210982543U
Application number: CN201921879881.3U
Authority: CN
Inventors: 刘红艳
Original assignee: Huai'an Jinda Solar Energy Technology Co ltd
Current assignee: Huai'an Jinda Solar Energy Technology Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-07-10
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a compressing device for circuit board testing, which comprises a base, grooves are arranged at the lower parts of the two ends of the base, handles are arranged at the two sides of the base, a transmission rod is arranged at one side of the handle close to the base, a driving wheel is arranged at one side of the transmission rod far away from the handle, a driven wheel is arranged at one side of the driving wheel far away from the transmission rod, a lead screw is arranged below the driven wheel, a movable block is arranged at the periphery of the lead screw, rollers are arranged at the two ends of the movable block, fixed rods are arranged at the two ends of the upper part of the base, and a plurality of jacks are arranged; utility model fixes the gyro wheel replacement on the base in original circuit board test is with closing device for can contracting the inside gyro wheel of base, avoids removing the device to the position department back that needs use, compresses tightly the operation in-process to the circuit board, and the gyro wheel will bear the weight of whole device, causes the gyro wheel to damage.

Description

Pressing device for circuit board testing

Technical Field

The utility model belongs to the technical field of test instrument, concretely relates to closing device is used in circuit board test.

Background

The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout. The circuit board can be called as a printed circuit board or a printed circuit board, and the birth and development of FPC circuit boards and rigid-flex printed circuit boards (FPC) and Printed Circuit Boards (PCB) urge the birth of a new product of rigid-flex printed circuit boards (FPC). Therefore, the rigid-flex circuit board is a circuit board with FPC (flexible printed circuit) characteristics and PCB (printed circuit board) characteristics, which is formed by combining a flexible circuit board and a rigid circuit board according to relevant process requirements through processes such as pressing and the like.

The prior art has the following problems: 1. the existing pressing device for the circuit board test is provided with the roller on the base, so that the whole device is convenient to move, but when the device is moved to a fixed position and starts to be used, the weight of the whole device is born by the roller, the bearing area of the roller is small, and the roller is easy to damage; 2. the existing pressing device for the circuit board test is provided with a hydraulic cylinder on a base, the height of an isolation cabinet is adjusted by the hydraulic cylinder to adapt to the operation of workers with different heights, and the pressing device is only supported by the output end of the hydraulic cylinder in the height adjusting process, so that the jacking process is easy to be unstable.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a closing device is used in circuit board test has protection device, prevents the characteristics of rocking.

In order to achieve the above object, the utility model provides a following technical scheme: a pressing device for a circuit board test comprises a base, wherein grooves are formed in the lower portions of the two ends of the base, handles are arranged on the two sides of the base, a transmission rod is arranged on one side, close to the base, of each handle, a driving wheel is arranged on one side, far away from the handles, of each transmission rod, a driven wheel is arranged on one side, far away from the transmission rods, of each driving wheel, a lead screw is arranged below each driven wheel, a movable block is arranged on the periphery of each lead screw, idler wheels are arranged at the two ends of each movable block, fixed rods are arranged at the two ends above the base, a plurality of jacks are formed in each fixed rod, a movable rod is arranged above each fixed rod, each movable rod and each fixed rod are fixed through a bolt, a hydraulic cylinder is arranged between the two fixed rods, a fastening, an isolation cabinet is arranged above the movable rod, a circuit board placing frame is arranged inside the isolation cabinet, a pressing plate is arranged above the circuit board placing frame, and an electric telescopic rod is arranged above the pressing plate.

Preferably, the handle is provided with a non-slip mat.

Preferably, a through hole is formed in the position, corresponding to the transmission rod, of the base.

Preferably, the fixed rod is a hollow structure, and the diameter of the fixed rod is larger than that of the movable rod.

Preferably, the length of the wire rod is smaller than the depth of the groove.

Preferably, the handle is connected with the transmission rod through threads.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses fix the gyro wheel replacement on the base in original circuit board test is with closing device for can contract the inside gyro wheel of base, avoid removing the device to the position department back that needs use, in compressing tightly the operation process to the circuit board, the gyro wheel will bear the weight of whole device, causes the gyro wheel to damage.

2. The utility model discloses add the movable rod and the dead lever that can go up and down in step with the pneumatic cylinder on original circuit board test is with closing device's base, strengthen the stability of pneumatic cylinder at the jacking in-process under the combined action of movable rod and dead lever.

Drawings

Fig. 1 is a sectional view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is an enlarged view of fig. 1A according to the present invention.

In the figure: 1. an electric telescopic rod; 2. an isolation cabinet; 3. pressing a plate; 4. a circuit board placing frame; 5. a movable rod; 6. fixing the rod; 7. a base; 8. a hydraulic cylinder; 9. a fastening ring; 10. a support bar; 11. a jack; 12. a bolt; 13. a handle; 14. a transmission rod; 15. a driving wheel; 16. a driven wheel; 17. a groove; 18. a movable block; 19. a screw rod; 20. and a roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a pressing device for a circuit board test comprises a base 7, grooves 17 are formed in the positions, close to the lower portion, of two ends of the base 7, handles 13 are arranged on the two sides of the base 7, a transmission rod 14 is arranged on one side, close to the base 7, of each handle 13, a driving wheel 15 is arranged on one side, far away from the corresponding handle 13, of each driving wheel 15, a driven wheel 16 is arranged on one side, far away from the corresponding transmission rod 14, of each driven wheel 16, a lead screw 19 is arranged below each driven wheel 16, a movable block 18 is arranged on the periphery of each lead screw 19, idler wheels 20 are arranged at the two ends of each movable block 18, fixed rods 6 are arranged at the two ends of the upper portion of the base 7, a plurality of jacks 11 are formed in each fixed rod 6, a movable rod 5 is arranged above each fixed rod 6, each movable rod 5 is fixed to the corresponding fixed rod 6, an isolation cabinet 2 is arranged above the movable rod 5, a circuit board placing frame 4 is arranged inside the isolation cabinet 2, a pressing plate 3 is arranged above the circuit board placing frame 4, and an electric telescopic rod 1 is arranged above the pressing plate 3.

In order to facilitate the operator to operate the handle 13, in the present embodiment, it is preferable that the handle 13 is provided with a non-slip pad.

In order to connect the transmission rod 14 with the driving wheel 15 through the base 7, in the embodiment, it is preferable that a through hole is formed at a position of the base 7 corresponding to the transmission rod 14.

In order to allow the movable rod 5 to move in the fixed rod 6, in the present embodiment, it is preferable that the fixed rod 6 has a hollow structure, and the diameter of the fixed rod 6 is larger than that of the movable rod 5.

In order to be able to receive the roller 20 in the groove 17, in the present embodiment, the length of the screw rod 19 is preferably smaller than the depth of the groove 17.

In order to rotate the transmission rod 14 via the handle 13, in the present embodiment, the handle 13 is preferably connected to the transmission rod 14 via a screw.

The utility model discloses well pneumatic cylinder 8 is for the widely known technique that applies to daily life that has disclosed, and its theory of operation is: hydraulic oil enters the oil cylinder through a single valve by a manual pressurizing rod (a hydraulic manual pump), the hydraulic oil entering the oil cylinder cannot back up due to the single valve at this time, the cylinder rod is forced to move upwards, then the hydraulic oil continuously enters the hydraulic cylinder during working, the hydraulic valve is continuously lifted upwards, and the hydraulic valve is opened when the hydraulic valve is lowered to return the hydraulic oil to the oil tank, wherein the model of the hydraulic cylinder is HSG 63.

The utility model discloses a theory of operation and use flow: the device is moved to a position to be used through the roller 20, the handle 13 is shaken to drive the transmission rod 14 to rotate, so as to drive the driving wheel 15 to rotate, so as to drive the driven wheel 16 to rotate, so as to drive the screw rod 19 to rotate, so as to drive the movable block 18 to slide upwards, the roller 20 is accommodated in the groove 17, so that the pressure of the whole device is prevented from being born by the roller 20, the isolation cabinet 2 is jacked to a height suitable for the operation of an operator by starting the hydraulic cylinder 8, the fastening ring 9 is driven to rise in the jacking process of the hydraulic cylinder 8, so as to drive the supporting rod 10 to rise, so as to drive the movable rod 5 to slide in the fixed rod 6, when the hydraulic cylinder 8 stops jacking, the movable rod 5 stops sliding in the fixed rod 6, the position between the movable rod 5 and the fixed rod 6 is fixed through the bolt 12, and the jacking of, and then, placing the circuit board to be detected on the circuit board placing frame 4, starting the electric telescopic rod 1, driving the pressing plate 3 to descend by the electric telescopic rod 1, and pressing the circuit board on the circuit board placing frame 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a closing device is used in circuit board test, includes base (7), its characterized in that: the improved structure of the automobile seat is characterized in that grooves (17) are formed in the two ends of the base (7) by the aid of the lower portion, handles (13) are arranged on the two sides of the base (7), a transmission rod (14) is arranged on one side, close to the base (7), of each handle (13), a driving wheel (15) is arranged on one side, away from the handle (13), of each driving wheel (13), a driven wheel (16) is arranged on one side, away from the transmission rod (14), of each driving wheel (15), a lead screw (19) is arranged below each driven wheel (16), a movable block (18) is arranged on the periphery of each lead screw (19), idler wheels (20) are arranged at the two ends of each movable block (18), fixing rods (6) are arranged at the two ends of the upper portion of the base (7), a plurality of inserting holes (11) are formed in each fixing rod (6), movable rods (5) are arranged above the fixing rods (6), two be provided with pneumatic cylinder (8) between dead lever (6), be provided with tighrening ring (9) on the output shaft of pneumatic cylinder (8), be provided with bracing piece (10) between tighrening ring (9) and movable rod (5), the top of movable rod (5) is provided with keeps apart cabinet (2), the inside of keeping apart cabinet (2) is provided with circuit board rack (4), the top of circuit board rack (4) is provided with clamp plate (3), the top of clamp plate (3) is provided with electric telescopic handle (1).

2. The hold-down device for testing circuit boards as claimed in claim 1, wherein: and the handle (13) is provided with a non-slip mat.

3. The hold-down device for testing circuit boards as claimed in claim 1, wherein: the base (7) is provided with a through hole at the position corresponding to the transmission rod (14).

4. The hold-down device for testing circuit boards as claimed in claim 1, wherein: the fixed rod (6) is of a hollow structure, and the diameter of the fixed rod (6) is larger than that of the movable rod (5).

5. The hold-down device for testing circuit boards as claimed in claim 1, wherein: the length of the screw rod (19) is smaller than the depth of the groove (17).

6. The hold-down device for testing circuit boards as claimed in claim 1, wherein: the handle (13) is in threaded connection with the transmission rod (14).