CN218036910U

CN218036910U - Quick hold-down mechanism of tool

Info

Publication number: CN218036910U
Application number: CN202220998554.5U
Authority: CN
Inventors: 唐小东; 徐鹏
Original assignee: Shenzhen Weite Precision Technology Co ltd
Current assignee: Shenzhen Weite Precision Technology Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-12-13
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses a quick hold-down mechanism of tool, which comprises a fixing plate and i, the positive lower extreme of fixed plate is provided with the cylinder, the output swing joint of cylinder has the connecting block, the inner chamber of connecting block has the movable block through pivot swing joint, the one end fixedly connected with gear of movable block is kept away from to the movable block, the positive upper end swing joint of fixed plate has the rack. The utility model discloses a set up the cylinder, a displacement is carried out to the drive connecting block, and the pivot of cooperation connecting block inner chamber drives the movable block and carries out the displacement, through setting up the movable block, a gear rotating is used for driving the rack through setting up the gear and carries out the displacement, present test fixture and probe have been solved, there is not fine compressing tightly, lead to when the test, the PCB board probably takes place to remove, influence the result that detects, and present test fixture takes to place also very trouble, the efficiency of software testing is low, the maintenance cost is high, can't satisfy the problem that uses the test needs.

Description

Quick hold-down mechanism of tool

Technical Field

The utility model relates to a PCB test fixture technical field specifically is a quick hold-down mechanism of tool.

Background

The jig is a large tool for carpenters, ironmen, pliers, machinery, electronic control and other handicrafts, is mainly used as a tool for assisting in controlling positions or actions, and can be divided into a process assembly type jig, an item test type jig and a circuit board test type jig.

Current test fixture and probe do not have fine compressing tightly, lead to when the test, and the PCB board probably takes place to remove, influences the result that detects, and current test fixture takes to place also very trouble moreover, and efficiency of software testing is low, and the maintenance cost is high, can't satisfy the needs that use the test.

SUMMERY OF THE UTILITY MODEL

To the relevant problem mentioned in the above-mentioned background art, the utility model aims to provide a quick hold-down mechanism of tool.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick hold-down mechanism of tool, includes the fixed plate, the positive lower extreme of fixed plate is provided with the cylinder, the output swing joint of cylinder has the connecting block, the inner chamber of connecting block has the movable block through pivot swing joint, the one end fixedly connected with gear of connecting block is kept away from to the movable block, the positive upper end swing joint of fixed plate has the rack, gear and rack toothing, the top fixedly connected with backup pad of fixed plate, the top fixedly connected with spout seat of backup pad, the back fixedly connected with connecting rod of rack, the inner chamber swing joint of spout seat has the briquetting.

As a further description of the above scheme, the top of the supporting plate is provided with a through groove, and the top of the connecting rod penetrates through the through groove and extends to the inner cavity of the sliding groove seat, and is fixedly connected with the bottom of the pressing block.

As a further description of the above scheme, a positioning fixture block is fixedly connected to the front side of the bottom of the support plate, and an inner cavity of the positioning fixture block is movably connected with the gear through a rotating shaft.

As a further description of the above scheme, the two sides of the sliding groove seat are both provided with a limiting groove, the two sides of the pressing block are both fixedly connected with a limiting rod, and one end of the limiting rod, which is far away from the pressing block, extends to the inner cavity of the limiting groove and is connected with the inner cavity of the limiting groove in a sliding manner.

As further description of the scheme, the output end of the air cylinder is in threaded connection with a threaded pin, and the other end of the threaded pin is fixedly connected with the bottom of the connecting block.

As a further description of the above solution, a positioning nut is threadedly connected to the surface of the threaded pin, and the bottom of the positioning nut is in contact with the output end of the cylinder.

As a further description of the above scheme, the lower end of the left side of the fixing plate is fixedly connected with a supporting block, and the front surface of the supporting block is movably connected with the cylinder through a rotating shaft.

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

the utility model discloses a set up the cylinder, be used for driving the connecting block and carry out the displacement, and the pivot of cooperation connecting block inner chamber drives the movable block and carries out the displacement, through setting up the movable block, be used for driving the gear revolve, be used for driving the rack through setting up the gear and carry out the displacement, through setting up the rack, be used for fixing the connecting rod, and drive the connecting rod and carry out the displacement, through setting up the backup pad, be used for supporting the spout seat, through setting up the spout seat, be used for spacing to the briquetting, and drive the briquetting through the connecting rod and carry out the displacement, compress tightly the tool, be convenient for simultaneously take the tool, present test fixture and probe have been solved, do not have fine compressing tightly, lead to when the test, the PCB board probably takes place to remove, influence the result that detects, and present test fixture takes and places also very trouble, low testing efficiency, high maintenance cost, can't satisfy the problem that uses the test needs.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a rear view structural diagram of the fixing plate of the present invention;

fig. 3 is a schematic side view of the fixing plate of the present invention;

fig. 4 is a schematic view of the connection structure of the connection rod and the pressing block of the present invention.

In the figure: 1. a fixing plate; 2. a cylinder; 3. connecting blocks; 4. a movable block; 5. a gear; 6. a rack; 7. a support plate; 8. a chute seat; 9. a connecting rod; 10. briquetting; 11. positioning a fixture block; 12. a limiting groove; 13. a limiting rod; 14. a threaded pin; 15. positioning a nut; 16. and (6) supporting the block.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, a rapid pressing mechanism for a jig comprises a fixed plate 1, a cylinder 2 is disposed at the lower end of the front surface of the fixed plate 1, a connecting block 3 is movably connected to the output end of the cylinder 2, a movable block 4 is movably connected to the inner cavity of the connecting block 3 through a rotating shaft, a gear 5 is fixedly connected to the end of the movable block 4 away from the connecting block 3, a rack 6 is movably connected to the upper end of the front surface of the fixed plate 1, the gear 5 is engaged with the rack 6, a supporting plate 7 is fixedly connected to the top of the fixed plate 1, a chute seat 8 is fixedly connected to the top of the supporting plate 7, a connecting rod 9 is fixedly connected to the back of the rack 6, a pressing block 10 is movably connected to the inner cavity of the chute seat 8, the cylinder 2 is arranged to drive the connecting block 3 to displace and drive the movable block 4 to displace in cooperation with the rotating shaft of the inner cavity of the connecting block 3, through setting up the movable block 4, be used for driving gear 5 and rotate, be used for driving rack 6 through setting up gear 5 and carry out the displacement, through setting up rack 6, be used for fixing connecting rod 9, and drive connecting rod 9 and carry out the displacement, through setting up backup pad 7, be used for supporting spout seat 8, through setting up spout seat 8, be used for spacing briquetting 10, and drive briquetting 10 through connecting rod 9 and carry out the displacement, compress tightly the tool, be convenient for simultaneously take to the tool, present test fixture and probe have been solved, do not have fine compressing tightly, lead to when the test, the PCB board probably takes place to remove, influence the result that detects, and it is also very troublesome that present test fixture takes to place, low test efficiency, high maintenance cost, can't satisfy the problem that uses the test needs.

The utility model discloses in, logical groove has been seted up at the top of backup pad 7, and logical groove and the inner chamber that extends to chute seat 8 are run through at the top of connecting rod 9, and with the bottom fixed connection of briquetting 10.

The front side of the bottom of the supporting plate 7 is fixedly connected with a positioning fixture block 11, an inner cavity of the positioning fixture block 11 is movably connected with the gear 5 through a rotating shaft, and the positioning fixture block 11 is arranged and used for supporting the gear 5.

Wherein, spacing groove 12 has all been seted up to the both sides of spout seat 8, the equal fixedly connected with gag lever post 13 in both sides of briquetting 10, gag lever post 13 keep away from the one end of briquetting 10 extend to the inner chamber of spacing groove 12 and with the inner chamber sliding connection of spacing groove 12, through setting up spacing groove 12 and gag lever post 13 for spacing briquetting 10, when making briquetting 10 displacement downwards, the rear end position of briquetting 10 shifts out the inner chamber of spout seat 8 and compresses tightly the tool.

The utility model discloses in, the output threaded connection of cylinder 2 has threaded pin 14, and threaded pin 14's the other end and the bottom fixed connection of connecting block 3 are through setting up threaded pin 14 for connect connecting block 3 to the output of cylinder 2.

Specifically, threaded pin 14's surperficial threaded connection has set nut 15, and set nut 15's bottom and cylinder 2's output contact are through setting up set nut 15 for cooperation cylinder 2 is fixed connecting block 3, avoids connecting block 3 to take place to rock.

Specifically, the left lower extreme fixedly connected with supporting shoe 16 of fixed plate 1, the front of supporting shoe 16 is through pivot and cylinder 2 swing joint, through setting up supporting shoe 16 for the cooperation pivot supports cylinder 2, is convenient for simultaneously when cylinder 2 moves the rotation angle of adjusting cylinder 2.

The working principle is as follows: when the test fixture is used, the cylinder 2 is started through the peripheral controller, the output end of the cylinder 2 drives the threaded pin 14 to displace, the threaded pin 14 drives the connecting block 3 to displace, the connecting block 3 drives the movable block 4 to displace through a rotating shaft, the movable block 4 drives the rotating shaft matched with the inner cavity of the positioning fixture block 11 to drive the gear 5 to rotate, the gear 5 is matched with the meshing of the rack 6 to drive the rack 6 to displace downwards, the rack 6 drives the connecting rod 9 to displace downwards, the connecting rod 9 drives the pressing block 10 to displace downwards, the pressing block 10 drives the limiting rod 13 to displace downwards in the inner cavity of the limiting groove 12, the pressing block 10 drives the rear end position of the pressing block 10 to move out of the inner cavity of the sliding groove seat 8 through the matching of the limiting groove 12 and the limiting rod 13 in the downward displacement process, the fixture is pressed through one end of the pressing block 10 which is displaced out of the inner cavity of the sliding groove seat 8, otherwise, the pressing of the fixture can be removed, the existing test and probes are solved, no good pressing exists, and the PCB can move possibly to influence the detection result of the detection, the existing test fixture is troublesome to take and place, the test fixture is low in efficiency, the maintenance cost is low, and the problem that the fixture can not be met.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolt, rivet, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, the control mode is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming of technicians in the field, the control circuit belongs to the common knowledge in the field, and the present application document is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the present application.

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 quick hold-down mechanism of tool, includes fixed plate (1), its characterized in that: the utility model discloses a fixing plate for a motor vehicle, including fixed plate (1), cylinder (2), the output swing joint of cylinder (2) has connecting block (3), the inner chamber of connecting block (3) has movable block (4) through pivot swing joint, the one end fixedly connected with gear (5) of connecting block (3) are kept away from in movable block (4), the positive upper end swing joint of fixed plate (1) has rack (6), gear (5) and rack (6) meshing, the top fixedly connected with backup pad (7) of fixed plate (1), the top fixedly connected with spout seat (8) of backup pad (7), the back fixedly connected with connecting rod (9) of rack (6), the inner chamber swing joint of spout seat (8) has briquetting (10).

2. The quick pressing mechanism for a jig according to claim 1, wherein: the top of the supporting plate (7) is provided with a through groove, and the top of the connecting rod (9) penetrates through the through groove and extends to the inner cavity of the sliding groove seat (8) and is fixedly connected with the bottom of the pressing block (10).

3. The rapid jig pressing mechanism according to claim 1, wherein: the front side of the bottom of the supporting plate (7) is fixedly connected with a positioning clamping block (11), and an inner cavity of the positioning clamping block (11) is movably connected with the gear (5) through a rotating shaft.

4. The rapid jig pressing mechanism according to claim 1, wherein: spacing groove (12) have all been seted up to the both sides of sliding groove seat (8), the equal fixedly connected with gag lever post (13) in both sides of briquetting (10), the one end that briquetting (10) were kept away from in gag lever post (13) extends to the inner chamber of spacing groove (12) and with the inner chamber sliding connection of spacing groove (12).

5. The rapid jig pressing mechanism according to claim 1, wherein: the output end of the air cylinder (2) is in threaded connection with a threaded pin (14), and the other end of the threaded pin (14) is fixedly connected with the bottom of the connecting block (3).

6. The rapid pressing mechanism of a jig according to claim 5, wherein: the surface of the threaded pin (14) is in threaded connection with a positioning nut (15), and the bottom of the positioning nut (15) is in contact with the output end of the air cylinder (2).

7. The rapid jig pressing mechanism according to claim 1, wherein: the lower end of the left side of the fixing plate (1) is fixedly connected with a supporting block (16), and the front face of the supporting block (16) is movably connected with the cylinder (2) through a rotating shaft.