CN214027392U

CN214027392U - Jig capable of uniformly generating large-area negative pressure

Info

Publication number: CN214027392U
Application number: CN202022464274.XU
Authority: CN
Inventors: 奉晓华; 李诗琪
Original assignee: Chengdu Punos Electronic Technology Co ltd
Current assignee: Chengdu Punos Electronic Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-24
Anticipated expiration: 2030-10-30

Abstract

The utility model belongs to the technical field of the press, especially, can evenly produce large tracts of land negative pressure tool, complicated to current press structure, and the atress is inhomogeneous, the problem of the operation use of being not convenient for, the following scheme of present proposition, it includes the fixing base, the equal fixed mounting in bottom four corners of fixing base has the landing leg, and the top fixed mounting of fixing base is fluted, and fixed mounting has the rubber dish on the bottom inner wall of recess, and the top fixed mounting of rubber dish has the connecting plate, and connecting plate sliding connection is in the recess, and the bottom fixed mounting of fixing base has the barrel, and one side fixed mounting of barrel has the motor, the one end of fixedly connected with worm on the output shaft of motor, rotates on one side inner wall of fixing base and installs the pivot, and the one end of pivot extends to outside the barrel and fixed mounting has the worm wheel, and the worm wheel meshes mutually. The utility model has the advantages of reasonable design, easy operation, and it is the same to each stress point pressure on the connecting plate, realize even atress.

Description

Jig capable of uniformly generating large-area negative pressure

Technical Field

The utility model relates to a press technical field especially relates to a can evenly produce large tracts of land negative pressure tool.

Background

The press machine is a universal machine with a delicate structure, and can be widely applied to the processes of cutting, punching, blanking, bending, riveting, forming and the like. The press machine is divided into three types, namely a screw press machine, a crank press machine and a hydraulic press machine, and the lower parts of the press machines are all provided with forge piece ejection devices. When the mechanical press works, a motor drives a large belt pulley (usually used as a flywheel) through a triangle belt, and a crank-slider mechanism is driven through a gear pair and a clutch, so that a slider and a male die move down linearly. The use of the press machine requires that safe operation rules which are targeted and feasible are formulated according to different machine types and processing requirements of the press machine.

However, the existing press machine has a complex structure, is not uniformly stressed, and is not convenient to operate and use, so a jig capable of uniformly generating a large-area negative pressure is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the current press structure complicacy, and the atress is inhomogeneous, the shortcoming of the operation of being not convenient for use, and the large tracts of land negative pressure tool can evenly produce in the one kind that proposes.

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

a jig capable of uniformly generating large-area negative pressure comprises a fixed seat, wherein supporting legs are fixedly arranged at four corners of the bottom of the fixed seat, a groove is fixedly arranged at the top of the fixed seat, a rubber disc is fixedly arranged on the inner wall of the bottom of the groove, a connecting plate is fixedly arranged at the top of the rubber disc and is connected in the groove in a sliding manner, a barrel is fixedly arranged at the bottom of the fixed seat, a motor is fixedly arranged at one side of the barrel, one end of a worm is fixedly connected onto an output shaft of the motor, a rotating shaft is rotatably arranged on the inner wall of one side of the fixed seat, one end of the rotating shaft extends out of the barrel and is fixedly provided with a worm wheel which is meshed with the worm wheel, a disk is fixedly arranged at the other end of the rotating shaft, a guide shaft is fixedly arranged at one side of the disk, a vertical plate is movably sleeved at the outer side of the guide shaft, a piston plate is connected in the barrel in a sliding and sealing manner, and is rotatably arranged at the bottom of the piston plate, a first one-way valve and a second one-way valve are fixedly mounted on the inner wall of the bottom of the groove, an air inlet of the first one-way valve and an air outlet of the second one-way valve are communicated with the inside of the rubber disc, and an air outlet of the first one-way valve and an air inlet of the second one-way valve are communicated with the inside of the cylinder.

Preferably, the inner walls of the two sides of the groove are provided with limit grooves, and the connecting plate is connected in the two limit grooves in a sliding manner to play a certain limiting role on the connecting plate.

Preferably, one side fixed mounting of barrel has two diaphragms, and the worm rotates to be installed in the inboard of two diaphragms, is convenient for rotate the installation worm.

Preferably, the outer ring of the bearing is fixedly installed on the inner wall of one side of the barrel, and the rotating shaft is fixedly sleeved with the inner ring of the bearing, so that the rotating shaft is convenient to rotate and install.

Preferably, a rectangular hole is formed in one side of the vertical plate, and the guide shaft is movably connected with the vertical plate through the rectangular hole, so that the guide shaft is conveniently and movably connected with the vertical plate.

Preferably, the bottom fixed mounting of piston plate has the horizontal pole, and the riser rotates to be installed in the outside of horizontal pole, is convenient for rotate and connects the riser.

In the utility model, the tool capable of uniformly generating large-area negative pressure drives the worm to rotate by starting the motor, so that the worm can be driven to slowly rotate through the meshing transmission of the worm and the worm wheel, the worm wheel can be driven to slowly rotate, the worm wheel can drive the rotating shaft to slowly rotate, the rotating shaft can drive the disc to rotate, the guide shaft can drive the vertical plate to move downwards through the movable connection of the guide shaft and the vertical plate, and the vertical plate and the cross rod are connected in a rotating way, so that the vertical plate can drive the piston plate to move downwards, when the guide shaft moves to the lowest part, the motor is turned off, the piston plate can be driven to move to the lowest part, so that air in the rubber disc can be collected into the cylinder body through the first one-way valve to form the negative pressure, the connecting plate can be driven to move downwards, and the connecting plate is limited by the two limiting grooves, the connecting plate can be stressed evenly;

the utility model has the advantages of reasonable design, easy operation, and it is the same to each stress point pressure on the connecting plate, realize even atress.

Drawings

Fig. 1 is a schematic structural view of a jig capable of uniformly generating a large-area negative pressure according to the present invention;

fig. 2 is a schematic sectional structural view of a front view of a jig capable of uniformly generating a large-area negative pressure according to the present invention;

fig. 3 is a schematic structural diagram of a part a of a jig capable of uniformly generating a large-area negative pressure.

In the figure: 1. a fixed seat; 2. a support leg; 3. a groove; 4. a rubber disc; 5. a connecting plate; 6. a barrel; 7. a motor; 8. a worm; 9. a rotating shaft; 10. a worm gear; 11. a disc; 12. a guide shaft; 13. a vertical plate; 14. a rectangular hole; 15. a piston plate; 16. a first check valve; 17. a second one-way valve.

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.

Referring to fig. 1-3, a jig capable of uniformly generating large-area negative pressure comprises a fixed seat 1, wherein four corners of the bottom of the fixed seat 1 are fixedly provided with supporting legs 2, the top of the fixed seat 1 is fixedly provided with a groove 3, the inner wall of the bottom of the groove 3 is fixedly provided with a rubber disc 4, the top of the rubber disc 4 is fixedly provided with a connecting plate 5, the connecting plate 5 is slidably connected in the groove 3, the bottom of the fixed seat 1 is fixedly provided with a cylinder 6, one side of the cylinder 6 is fixedly provided with a motor 7, the output shaft of the motor 7 is fixedly connected with one end of a worm 8, the inner wall of one side of the fixed seat 1 is rotatably provided with a rotating shaft 9, one end of the rotating shaft 9 extends out of the cylinder 6 and is fixedly provided with a worm wheel 10, the worm 8 is meshed with the worm wheel 10, the other end of the rotating shaft 9 is fixedly provided with a disc 11, one side of the disc 11 is fixedly provided with a guide shaft 12, and the outer side of the guide shaft 12 is movably sleeved with a vertical plate 13, a piston plate 15 is connected to the barrel 6 in a sliding and sealing mode, a vertical plate 13 is installed at the bottom of the piston plate 15 in a rotating mode, a first one-way valve 16 and a second one-way valve 17 are fixedly installed on the inner wall of the bottom of the groove 3, the air inlet of the first one-way valve 16 and the air outlet of the second one-way valve 17 are communicated with the inside of the rubber disc 4, and the air outlet of the first one-way valve 16 and the air inlet of the second one-way valve 17 are communicated with the inside of the barrel 6.

Spacing grooves have all been seted up on the both sides inner wall of recess 3, 5 sliding connection of connecting plate are in two spacing grooves, play certain limiting displacement to connecting plate 5, one side fixed mounting of barrel 6 has two diaphragms, worm 8 rotates the inboard of installing at two diaphragms, be convenient for rotate installation worm 8, fixed mounting has the outer lane of bearing on one side inner wall of barrel 6, pivot 9 cup joints with the inner circle of bearing is fixed, be convenient for rotate installation pivot 9, rectangular hole 14 has been seted up to one side of riser 13, guiding axle 12 passes through rectangular hole 14 and riser 13 swing joint, be convenient for with guiding axle 12 and riser 13 swing joint, the bottom fixed mounting of piston plate 15 has the horizontal pole, riser 13 rotates the outside of installing at the horizontal pole, be convenient for rotate connection riser 13.

In the utility model, when in use, the worm 8 can be driven to rotate by the starting motor 7, so that the worm wheel 10 can be driven to rotate slowly by the meshing transmission of the worm 8 and the worm wheel 10, so that the worm wheel 10 can drive the rotating shaft 9 to rotate slowly, so that the rotating shaft 9 can drive the disc 11 to rotate, and the piston plate 15 can be driven to move downwards by the movable connection of the guide shaft 12 and the vertical plate 13 and the rotary connection of the vertical plate 13 and the cross rod, so that the guide shaft 12 can drive the vertical plate 13 to move downwards, so that the vertical plate 13 can drive the piston plate 15 to move downwards, when the guide shaft 12 moves to the lowest part, the motor 7 is closed, so that the piston plate 15 can be driven to move to the lowest part, so that the air in the rubber disc 4 can be drawn into the cylinder 6 through the first check valve 16 to form negative pressure, so that the connecting plate 5 can be driven to move downwards, and the connecting plate 5 is limited by the two limiting grooves, the force on the connecting plate 5 can be uniformly applied.

Claims

1. The utility model provides a can evenly produce large tracts of land negative pressure tool, including fixing base (1), a serial communication port, the equal fixed mounting in bottom four corners of fixing base (1) has landing leg (2), the top fixed mounting of fixing base (1) has recess (3), fixed mounting has rubber disc (4) on the bottom inner wall of recess (3), the top fixed mounting of rubber disc (4) has connecting plate (5), connecting plate (5) sliding connection is in recess (3), the bottom fixed mounting of fixing base (1) has barrel (6), one side fixed mounting of barrel (6) has motor (7), the one end of fixedly connected with worm (8) on the output shaft of motor (7), rotate on the one side inner wall of fixing base (1) and install pivot (9), the one end of pivot (9) extends to outside barrel (6) and fixed mounting has worm wheel (10), worm (8) mesh with worm wheel (10), the other end fixed mounting of pivot (9) has disc (11), one side fixed mounting of disc (11) has guiding axle (12), the outside movable sleeve of guiding axle (12) is equipped with riser (13), sliding seal connects with piston plate (15) in barrel (6), riser (13) rotate to be installed in the bottom of piston plate (15), fixed mounting has first check valve (16) and second check valve (17) on the bottom inner wall of recess (3), the air inlet of first check valve (16) and the gas outlet of second check valve (17) all are linked together with the inside of rubber disc (4), the gas outlet of first check valve (16) and the air inlet of second check valve (17) all are linked together with the inside of barrel (6).

2. The jig capable of uniformly generating the large-area negative pressure as claimed in claim 1, wherein the inner walls of the two sides of the groove (3) are both provided with a limiting groove, and the connecting plate (5) is slidably connected in the two limiting grooves.

3. The jig capable of uniformly generating the negative pressure with the large area as claimed in claim 1, wherein one side of the cylinder (6) is fixedly provided with two transverse plates, and the worm (8) is rotatably arranged at the inner sides of the two transverse plates.

4. The jig capable of uniformly generating the large-area negative pressure as claimed in claim 1, wherein an outer ring of the bearing is fixedly installed on the inner wall of one side of the cylinder (6), and the rotating shaft (9) is fixedly sleeved with an inner ring of the bearing.

5. The jig capable of uniformly generating the large-area negative pressure as claimed in claim 1, wherein a rectangular hole (14) is formed in one side of the vertical plate (13), and the guide shaft (12) is movably connected with the vertical plate (13) through the rectangular hole (14).

6. The jig capable of uniformly generating the negative pressure in the large area as claimed in claim 1, wherein the bottom of the piston plate (15) is fixedly provided with a cross bar, and the vertical plate (13) is rotatably arranged on the outer side of the cross bar.