CN212305795U

CN212305795U - Compressing and fixing device of circuit board

Info

Publication number: CN212305795U
Application number: CN202021521275.7U
Authority: CN
Inventors: 马龙; 刘书峰; 丁佳水; 陈锐; 龙在其; 王荣辉; 黄广荣; 谭志鹏; 王洋; 夏晓凤; 廖继龙; 邓振逢; 马保来; 曹红春; 陈海涛
Original assignee: Shenzhen Guangchengda Circuit Technology Co ltd
Current assignee: Shenzhen Guangchengda Circuit Technology Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-01-05
Anticipated expiration: 2030-07-28

Abstract

The utility model relates to a compressing and fixing device of a circuit board, which belongs to the technical field of circuit board processing, wherein the right front end of the upper part of a base is screwed with a first screw rod through a bearing; the right rear end, the left front end and the left rear end of the upper part of the base are all screwed with a second screw rod through bearings; a first gear is fixedly inserted in the first screw rod, and a second gear is fixedly inserted in the second screw rod; the outer rings of the first gear and the three second gears are in transmission connection through chains; the upper end of the first screw is screwed with a first internal thread pipe, and the upper end of the second screw is screwed with a second internal thread pipe; the upper ends of the first internal thread pipe and the second internal thread pipe are both fixed with a fixing plate; the circuit board can be fixed, and meanwhile, the edge of the circuit board is prevented from being crushed, and static electricity generated by friction is avoided; the position of the fixing device can be manually adjusted, the habit of a user can be more closely met, and the practicability is improved.

Description

Compressing and fixing device of circuit board

Technical Field

The utility model relates to a circuit board processing technology field, concretely relates to circuit board compress tightly fixing device.

Background

In current circuit board welding, pad pasting or processing such as punch, artifical the circuit board compress tightly the back, the position of circuit board easily takes place to remove, and the position that the circuit board compressed tightly is easily worn and torn, presses to have the possibility of rubbing out static when processing excessively tightly, and because user's self custom is different, the operation work piece position that needs is also different, for this reason, provides a compressing tightly fixing device of circuit board now.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a compressing and fixing device of a circuit board, which can prevent the edge of the circuit board from being crushed and prevent the circuit board from generating static electricity by friction while fixing the circuit board; the position of the fixing device can be manually adjusted, the habit of a user can be more closely met, and the practicability is improved.

In order to achieve the above object, the utility model adopts the following technical scheme: the device comprises a base, a first screw rod, a second screw rod, a first gear, a second gear, a chain, a first internal threaded pipe, a second internal threaded pipe, a fixed plate, a first fixed frame, a first rubber layer, a second sliding groove, a sliding block, a second fixed frame, a second rubber layer and an adjusting bolt; the right front end of the upper part of the base is rotatably connected with a first screw rod through a bearing; the right rear end, the left front end and the left rear end of the upper part of the base are all screwed with a second screw rod through bearings; a first gear is fixedly inserted in the first screw rod, and a second gear is fixedly inserted in the second screw rod; the outer rings of the first gear and the three second gears are in transmission connection through chains; the upper end of the first screw is screwed with a first internal thread pipe, and the upper end of the second screw is screwed with a second internal thread pipe; the upper ends of the first internal thread pipe and the second internal thread pipe are fixed on the lower surface of the fixing plate;

a first fixing frame is fixed on the left side of the fixing plate, a first rubber layer is fixed on the inner side wall of the first fixing frame, and a first slit is formed in the middle of the first rubber layer in a penetrating mode; a second sliding groove is formed in the middle of the right side of the fixing plate, and a sliding block is arranged in the second sliding groove in a sliding manner; a second fixing frame is fixed at the upper end of the sliding block, a second rubber layer is fixed on the inner side wall of the second fixing frame, and a second slit is formed in the middle of the second rubber layer in a penetrating mode; the slider in seted up the screw hole, adjusting bolt passes the screw hole after, its inner end connects on the left side wall of spout through the bearing soon.

Furthermore, a first sliding groove which penetrates through the base from front to back is formed in the base; transverse plates of the two L-shaped limiting plates are slidably inserted into the first sliding groove, and vertical plates of the L-shaped limiting plates are abutted against the side wall of the operating table; the lower ends of the front and the back fixing bolts respectively penetrate through the threaded through holes at the upper end of the base and then abut against the front and the back L-shaped limiting plates.

Furthermore, a turntable is fixed at the bottom of the first screw rod.

Furthermore, a plurality of salient points are integrally formed on the outer ring wall of the rotating disc.

After the structure is adopted, the utility model discloses beneficial effect does: the pressing and fixing device of the circuit board can prevent the edge of the circuit board from being crushed and prevent the circuit board from generating static electricity due to friction while fixing the circuit board; the position of the fixing device can be manually adjusted, the habit of a user can be more closely met, and the practicability is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a sectional view taken along line a-a in fig. 2.

Description of reference numerals:

the novel adjustable screw driver comprises a base 1, a first sliding groove 2, an L-shaped limiting plate 3, a fixing bolt 4, a first screw rod 5, a second screw rod 6, a first gear 7, a second gear 8, a chain 9, a first internal threaded pipe 10, a second internal threaded pipe 11, a fixing plate 12, a rotary disc 13, a salient point 14, a first fixing frame 15, a first rubber layer 16, a first slit 17, a second sliding groove 18, a sliding block 19, a second fixing frame 20, a second rubber layer 21, a second slit 22, a threaded hole 23, an adjusting bolt 24 and an operation table 25.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 3, the technical solution adopted by the present embodiment is: the device comprises a base 1, an L-shaped limit plate 3, a fixing bolt 4, a first screw rod 5, a second screw rod 6, a first gear 7, a second gear 8, a chain 9, a first internal thread pipe 10, a second internal thread pipe 11, a fixing plate 12, a rotary disc 13, a salient point 14, a first fixing frame 15, a first rubber layer 16, a sliding block 19, a second fixing frame 20, a second rubber layer 21, a second slit 22 and an adjusting bolt 24; a first sliding groove 2 penetrating through the front and the back is formed in the base 1; the transverse plates of the two L-shaped limiting plates 3 are slidably inserted into the first sliding groove 2, and the vertical plates of the L-shaped limiting plates 3 are abutted against the side wall of the operating table 25; the lower ends of the front and the rear fixing bolts 4 respectively penetrate through the threaded through holes at the upper end of the base 1 and then abut against the front and the rear L-shaped limiting plates 3;

the right front end of the upper part of the base 1 is rotatably connected with a first screw rod 5 through a bearing; the right rear end, the left front end and the left rear end of the upper part of the base 1 are all screwed with a second screw rod 6 through bearings; a first gear 7 is fixedly inserted in the first screw 5, and a second gear 8 is fixedly inserted in the second screw 6; the outer rings of the first gear 7 and the three second gears 8 are in transmission connection through a chain 9; the upper end of the first screw 5 is screwed with a first internal threaded pipe 10, and the upper end of the second screw 6 is screwed with a second internal threaded pipe 11; the upper ends of the first internal thread tube 10 and the second internal thread tube 11 are fixed on the lower surface of the fixing plate 12 through bolts; the bottom of the first screw rod 5 is fixed with a rotary table 13 through a bolt, and a plurality of salient points 14 are integrally formed on the outer annular wall of the rotary table 13;

a first fixing frame 15 is fixed on the left side of the fixing plate 12 through bolts, a first rubber layer 16 is fixed on the inner side wall of the first fixing frame 15 through universal glue, and a first slit 17 penetrates through the middle of the first rubber layer 16 from front to back; a second sliding groove 18 is formed in the middle of the right side of the fixing plate 12, and a sliding block 19 is arranged in the second sliding groove 18 in a sliding manner; a second fixing frame 20 is fixed at the upper end of the sliding block 19 through bolts, a second rubber layer 21 is fixedly attached to the inner side wall of the second fixing frame 20 through universal glue, and a second slit 22 is formed in the middle of the second rubber layer 21 in a front-back penetrating mode; a threaded hole 23 is formed in the sliding block 19, and after the adjusting bolt 24 passes through the threaded hole 23, the inner end of the adjusting bolt is screwed on the left side wall of the sliding chute 2 through a bearing.

The working principle of the specific embodiment is as follows: placing the base 1 on an operating platform 25, respectively abutting the vertical plates of the front and rear L-shaped limiting plates 3 on the front and rear side walls of the operating platform 25, and screwing the fixing bolts 4 to fix the base 1 on the operating platform 25; according to the height and the operation habit of an individual, the rotary table 13 is rotated, the first screw 5 rotates to drive the first gear 7 to rotate, and the second gear 8 rotates under the drive of the chain 9, so that the second screw 6 rotates, and the first internal thread pipe 10 and the second internal thread pipe 11 synchronously ascend or descend; the left end of the circuit board is clamped in the first slit 17, the adjusting bolt 24 is rotated, and the sliding block 19 drives the second fixing frame 20 to move, so that the right end of the circuit board is clamped in the second slit 22, and the circuit board is pressed and fixed.

After adopting above-mentioned structure, this embodiment's beneficial effect does:

1. the first rubber layer 16 and the second rubber layer 21 are arranged, so that the circuit board can be fixed, the edge of the circuit board is prevented from being crushed, and static electricity generated by friction is avoided;

2. the first screw 5 and the second screw 6 are arranged, so that the position of the fixing plate 12 can be manually adjusted, the habit of a user can be more approached, and the practicability is improved;

3. the L-shaped limiting plate 3 is arranged, so that the base 1 can be fixed and moved conveniently.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a circuit board compress tightly fixing device which characterized in that: the device comprises a base (1), a first screw rod (5), a second screw rod (6), a first gear (7), a second gear (8), a chain (9), a first internal threaded pipe (10), a second internal threaded pipe (11), a fixing plate (12), a first fixing frame (15), a first rubber layer (16), a second sliding groove (18), a sliding block (19), a second fixing frame (20), a second rubber layer (21) and an adjusting bolt (24); the right front end of the upper part of the base (1) is rotatably connected with a first screw rod (5) through a bearing; the right rear end, the left front end and the left rear end of the upper part of the base (1) are respectively screwed with a second screw rod (6) through bearings; a first gear (7) is inserted and fixed on the first screw rod (5), and a second gear (8) is inserted and fixed on the second screw rod (6); the outer rings of the first gear (7) and the three second gears (8) are in transmission connection through a chain (9); the upper end of the first screw rod (5) is screwed with a first internal thread pipe (10), and the upper end of the second screw rod (6) is screwed with a second internal thread pipe (11); the upper ends of the first internal thread pipe (10) and the second internal thread pipe (11) are fixed on the lower surface of the fixing plate (12);

a first fixing frame (15) is fixed on the left side of the fixing plate (12), a first rubber layer (16) is fixed on the inner side wall of the first fixing frame (15), and a first slit (17) penetrates through the middle of the first rubber layer (16) from front to back; a second sliding groove (18) is formed in the middle of the right side of the fixing plate (12), and a sliding block (19) is arranged in the second sliding groove (18) in a sliding manner; a second fixing frame (20) is fixed at the upper end of the sliding block (19), a second rubber layer (21) is fixed on the inner side wall of the second fixing frame (20), and a second slit (22) penetrates through the middle of the second rubber layer (21) from front to back; a threaded hole (23) is formed in the sliding block (19), and after the adjusting bolt (24) penetrates through the threaded hole (23), the inner end of the adjusting bolt is screwed on the left side wall of the sliding groove (2) through a bearing.

2. The circuit board compression fixing device of claim 1, wherein: a first sliding groove (2) which penetrates through the base (1) from front to back is formed in the base; transverse plates of the two L-shaped limiting plates (3) are slidably inserted into the first sliding groove (2), and vertical plates of the L-shaped limiting plates (3) are abutted against the side wall of the operating table (25); the lower ends of the front and the back fixing bolts (4) respectively penetrate through the thread through holes at the upper end of the base (1) and then are propped against the front and the back L-shaped limiting plates (3).

3. The circuit board compression fixing device of claim 1, wherein: and a rotary disc (13) is fixed at the bottom of the first screw rod (5).

4. The pressing and fixing device of the circuit board as claimed in claim 3, wherein: the outer ring wall of the rotating disc (13) is integrally formed with a plurality of salient points (14).