CN213379068U

CN213379068U - Electric screw press

Info

Publication number: CN213379068U
Application number: CN202022252829.4U
Authority: CN
Inventors: 郑凯玄; 吴文超; 毕乃秀; 祝红梅
Original assignee: Jinan Huadong New Material Co ltd
Current assignee: Jinan Huadong New Material Co ltd
Priority date: 2020-10-11
Filing date: 2020-10-11
Publication date: 2021-06-08
Anticipated expiration: 2030-10-11

Abstract

The application relates to an electric screw press, which comprises a frame, a lower pressing block, an upper die, a lower die and a driving mechanism, wherein the lower pressing block is arranged on the frame, and the upper die is arranged on the lower pressing block; the lower die is arranged on the rack; the driving mechanism is arranged on the rack and connected with the lower pressing block; the fixing mechanism is arranged on the rack and comprises a fixing block, a fixing rod and a first adjusting assembly, the fixing block is arranged on the rack, the fixing rod is arranged on the fixing block, and a fixing groove clamped with the fixing rod is formed in the lower pressing block; the first adjusting component is arranged on the rack and connected with the fixed block. The application has the effect of reducing potential safety hazards.

Description

Electric screw press

Technical Field

The application relates to the technical field of presses, in particular to an electric screw press.

Background

An electric screw press is equipment used in forging industry. The screw press has the characteristics of high universality, simple and convenient structure, simple and convenient adjustment and maintenance, no bottom dead center of the slide block, convenience for die design, high forging precision and the like.

At present, the invention with the authority bulletin number of CN105729851B discloses an intelligent measurement and control system of an electric screw press, which comprises an electric screw press, a PLC controller and an industrial personal computer, wherein the electric screw press comprises a flywheel, a slide block, a driving motor, a braking device, an upper die mounting seat and a lower die mounting seat, the system further comprises a magnetic head, a magnetic scale, a pressure sensor and a touch screen, the magnetic head is arranged on the slide block, the magnetic scale is vertically arranged on one side of the slide block, the pressure sensor is arranged on the braking device, the magnetic head and the pressure sensor are respectively connected with the PLC controller, and the touch screen is connected with the industrial personal computer.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the upper die on the upper die mounting seat needs to be maintained or replaced after being used for a long time, and the upper die mounting seat needs to be taken down from the sliding block to maintain or replace the upper die; when an operator detaches the die mounting seat from the sliding block, the sliding block moves towards the direction close to the lower die, so that huge potential safety hazards are brought to the operator.

SUMMERY OF THE UTILITY MODEL

In order to reduce the potential safety hazard, the application provides an electronic screw press.

The application provides an electronic screw press adopts following technical scheme:

an electric screw press comprises a frame, a lower pressing block, an upper die, a lower die and a driving mechanism, wherein the lower pressing block is arranged on the frame, and the upper die is arranged on the lower pressing block; the lower die is arranged on the rack; the driving mechanism is arranged on the rack and connected with the lower pressing block; the fixing mechanism is arranged on the rack and comprises a fixing block, a fixing rod and a first adjusting assembly, the fixing block is arranged on the rack, the fixing rod is arranged on the fixing block, and a fixing groove clamped with the fixing rod is formed in the lower pressing block; the first adjusting component is arranged on the rack and connected with the fixed block.

By adopting the technical scheme, a workpiece to be processed is placed on the lower die, then the driving mechanism is started, the driving mechanism drives the lower pressing block to move towards the direction close to the lower die, and the upper die on the lower pressing block can process the workpiece; when the upper die needs to be maintained or replaced, the driving mechanism is started firstly, the driving mechanism drives the lower pressing block to move towards the direction far away from the lower die, then the first adjusting assembly is started, the first adjusting assembly drives the fixing block to move towards the direction close to the lower pressing block on the rack, and the reinforcing rod on the fixing block is clamped with the fixing groove on the lower pressing block, so that the position of the lower pressing block is fixed; therefore, the arranged fixing mechanism can fix the lower pressing block, so that potential safety hazards are reduced.

Optionally, the first adjusting assembly includes a first motor, a first gear and a rack, the first motor is disposed on the frame, and the first gear is connected to an output shaft of the first motor in a key manner; the rack is arranged on the fixed block and meshed with the first gear.

By adopting the technical scheme, the first motor is started, the output shaft of the first motor drives the first gear to rotate, and the rack meshed with the first gear drives the fixed block to move on the rack; the first adjusting component is simple in structure and convenient to operate.

Optionally, a support mechanism is arranged on the frame, the support mechanism includes a connecting block, a supporting block and a second adjusting assembly, the connecting block is arranged on the frame, the supporting block is arranged on the connecting block, and the lower pressing block can abut against the supporting block; the second adjusting component is arranged on the connecting block and connected with the supporting block.

By adopting the technical scheme, the second adjusting assembly is started, the second adjusting assembly drives the supporting block to move, so that the supporting block can be abutted against the lower pressing block to support the lower pressing block, and then the fixing rod is clamped with the fixing groove on the lower pressing block; the supporting mechanism who sets up can support briquetting down, makes the position of the fixed briquetting that fixed establishment can be better.

Optionally, the second adjusting assembly includes a second motor, a second gear, a third gear and a rotating shaft, the second motor is disposed on the connecting block, and the second gear is keyed on an output shaft of the second motor; the rotating shaft is arranged on the connecting block, and the supporting block is arranged on the rotating shaft; the third gear is connected to the rotating shaft in a key mode and meshed with the second gear.

By adopting the technical scheme, the second motor is started, the output shaft of the second motor drives the second gear to rotate, the third gear meshed with the second gear drives the rotating shaft to rotate, and the supporting block on the rotating shaft can move; the second adjusting component is simple in structure.

Optionally, a third adjusting assembly is arranged on the frame, the third adjusting assembly includes a third motor and a first screw rod, the third motor is arranged on the frame, and the first screw rod is connected with an output shaft of the third motor and penetrates through the connecting block.

Through adopting above-mentioned technical scheme, start the third motor, the output shaft of third motor drives first screw rod and rotates, and first screw rod will drive the connecting block and move in the frame to realize the regulation of supporting mechanism position, improve application scope.

Optionally, the driving mechanism includes a driving block, a second screw, a guide block, a guide rail and a driving assembly, a groove is formed on the lower pressing block, the driving block is arranged on the lower pressing block, and a threaded hole is formed in the driving block; the second screw rod is arranged on the rack, and one end, far away from the rack, of the second screw rod penetrates through the threaded hole and is located in the groove; the guide rail is arranged on the rack; the guide block is arranged on the lower pressing block, the guide block slides on the guide rail, and the fixing groove is clamped on the guide block; the driving assembly is arranged on the rack and connected with the second screw rod.

Through adopting above-mentioned technical scheme, start drive assembly, drive assembly drives the second screw rod and rotates, because the screw hole threaded connection on second screw rod and the driving block, so the second screw rod will drive the driving block motion, because slide at guide block and guide rail, so the driving block can only do and move along second screw rod length direction, the driving block will drive the briquetting and move in the frame down.

Optionally, the driving assembly includes a first rotating disc, a second rotating disc, a belt and a fourth motor, the fourth motor is disposed on the frame, and the first rotating disc is disposed on an output shaft of the fourth motor; the second turntable is connected with the second screw rod, and the belt sleeve is arranged on the first turntable and the second turntable.

By adopting the technical scheme, the fourth motor is started, the output shaft of the fourth motor drives the first rotary disc to rotate, the first rotary disc drives the belt to rotate, the belt drives the second rotary disc to rotate, and the second rotary disc drives the second screw to rotate; the driving assembly is simple in structure and convenient to operate.

Optionally, a braking mechanism is arranged on the frame, the braking mechanism includes an installation block, an air cylinder and a braking block, the installation block is arranged on the frame, the air cylinder is arranged on the installation block, the braking block is arranged on a piston rod of the air cylinder, and the braking block can abut against the second turntable.

Through adopting above-mentioned technical scheme, when changing the mould, start the cylinder, the piston rod of cylinder drives the motion of brake pads, makes the brake pads support tight second carousel, makes the second carousel can not rotate under the effect of brake blocks, and the second carousel just also can not drive the second screw rod and rotate, and consequently briquetting can not move again down.

To sum up, the beneficial technical effects of the electric screw press comprise at least one of the following:

1. therefore, the arranged fixing mechanism can fix the lower pressing block, so that potential safety hazards are reduced;

2. the supporting mechanism who sets up can support briquetting down, makes the position of the fixed briquetting that fixed establishment can be better.

Drawings

FIG. 1 is a schematic structural diagram of an electric screw press according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a driving mechanism in an embodiment of the present application;

FIG. 3 is a cross-sectional view of a drive block in an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a support mechanism according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a second adjustment assembly in an embodiment of the present application;

fig. 6 is a schematic structural diagram of a fixing mechanism in an embodiment of the present application.

Reference numerals: 11. a frame; 111. a processing cavity; 112. a placement groove; 113. a chute; 12. pressing the block; 13. an upper die; 14. a lower die; 21. a drive block; 22. a second screw; 23. a guide block; 231. fixing grooves; 24. a guide rail; 25. a drive assembly; 251. a first turntable; 252. a second turntable; 253. a belt; 254. a fourth motor; 26. an adjusting block; 261. a groove; 3. a fixing mechanism; 31. a fixed block; 32. fixing the rod; 33. a first adjustment assembly; 331. a first motor; 332. a first gear; 333. a rack; 334. adjusting a rod; 4. a support mechanism; 41. connecting blocks; 42. a support block; 431. a second motor; 432. a second gear; 433. a third gear; 434. a rotating shaft; 44. a third adjustment assembly; 441. a third motor; 442. a first screw; 5. a brake mechanism; 51. mounting blocks; 52. a cylinder; 53. a brake pad.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

Referring to fig. 1, an electric screw press is disclosed for an embodiment of the present application, and includes a frame 11, a processing cavity 111 is formed in the frame 11, the processing cavity 111 is connected with a lower pressing block 12 in a sliding manner, the lower pressing block 12 is connected with an upper die 13 through a bolt, and a driving mechanism connected with the lower pressing block 12 is arranged on the frame 11; the side wall of the lower end of the processing cavity 111 is connected with a lower die 14 through a bolt; the frame 11 is provided with a fixing mechanism 3 and a supporting mechanism 4.

Referring to fig. 2 and 3, the driving mechanism includes an adjusting block 26 fixedly connected to one end of the lower pressing block 12 away from the lower die 14, a groove 261 is formed in one end of the adjusting block 26 away from the lower pressing block 12, a driving block 21 is fixedly connected to a side wall of the groove 261, the driving block 21 covers the groove 261, and a threaded hole communicated with the groove 261 is formed in the driving block 21; the frame 11 is rotatably connected with a second screw 22, one end of the second screw 22, which is far away from the frame 11, penetrates through the threaded hole and is located in the groove 261, and the second screw 22 is in threaded connection with the threaded hole. A guide rail 24 is fixedly connected to the frame 11; the lower pressing block 12 is fixedly connected with a guide block 23 which is connected with the guide rail 24 in a sliding manner, and a fixing groove 231 is formed in the guide block 23.

Referring to fig. 1 and 2, a driving assembly 25 is disposed on the frame 11, the driving assembly 25 includes a fourth motor 254 fixedly connected to the frame 11, and a first rotating disc 251 is connected to an output shaft of the fourth motor 254; a second rotary disc 252 connected with the second screw 22 is rotatably connected to the frame 11; the first turntable 251 and the second turntable 252 are sleeved with a belt 253.

The frame 11 is provided with a brake mechanism 5, the brake mechanism 5 includes a mounting block 51 fixedly connected to the frame 11, an air cylinder 52 is fixedly connected to the mounting block 51, a piston rod of the air cylinder 52 is connected with a brake block 53, and the brake block 53 can abut against a side wall of the second rotary table 252.

Referring to fig. 1 and 4, a placing groove 112 communicated with the processing cavity 111 is formed in the frame 11, the supporting mechanism 4 includes a connecting block 41 slidably connected in the placing groove 112, a supporting block 42 is disposed on the connecting block 41, and the guiding block 23 can abut against the supporting block 42.

Referring to fig. 4 and 5, a second adjusting assembly is disposed on the connecting block 41, the second adjusting assembly includes a rotating shaft 434 rotatably connected to the connecting block 41, the supporting block 42 is fixedly connected to the rotating shaft 434, and a third gear 433 is keyed on the rotating shaft 434; a second motor 431 is fixedly connected to the connecting block 41, and a second gear 432 engaged with the third gear 433 is keyed on an output shaft of the second motor 431.

A third adjusting assembly 44 is arranged on the frame 11, the third adjusting assembly 44 comprises a first screw rod 442 rotatably connected in the placing groove 112, and the first screw rod 442 passes through the connecting block 41 and is connected with the connecting block 41; a third motor 441 connected to the first screw 442 is fixedly connected to the frame 11.

Referring to fig. 1 and 6, a chute 113 is formed in the frame 11, the fixing mechanism 3 is slidably connected to a fixing block 31 in the chute 113, a plurality of fixing rods 32 are uniformly and fixedly connected to one side of the fixing block 31 facing the guide block 23, and the fixing rods 32 can be clamped with a fixing groove 231 on the guide block 23. A first adjusting component 33 is arranged on the frame 11, the first adjusting component 33 comprises an adjusting rod 334 fixedly connected to one side of the fixed block 31 far away from the fixed rod 32, and a rack 333 is fixedly connected to the adjusting rod 334; a first motor 331 is fixedly connected to the frame 11, and a first gear 332 engaged with the rack 333 is keyed on an output shaft of the first motor 331.

The motors in this embodiment are all three-phase asynchronous motors.

The implementation principle of the electric screw press in the embodiment of the application is as follows: when the upper die 13 and the lower die 14 need to be replaced, the fourth motor 254 is started first, the output shaft of the fourth motor 254 drives the second screw 22 to rotate, because the second screw 22 is in threaded connection with the threaded hole on the driving block 21, and the guide block 23 on the lower pressing block 12 is in sliding connection with the guide rail 24, when the second screw 22 rotates, the second screw 22 drives the driving block 21 to move, the driving block 21 drives the adjusting block 26 to move, the lower pressing block 12 on the adjusting block 26 moves, and the guide block 23 on the lower pressing block 12 slides on the guide rail 24.

Then, the third motor 441 is turned on, the output shaft of the third motor 441 drives the first screw 442 to rotate, and the first screw 442 drives the connecting block 41 to slide in the placing groove 112. When the second motor 431 is started, the output shaft of the second motor 431 drives the second gear 432 to rotate, and the third gear 433 meshed with the second gear 432 drives the rotating shaft 434 to rotate, so that the supporting block 42 on the rotating shaft 434 abuts against the guide block 23.

Then, the first motor 331 is started, the output shaft of the first motor 331 drives the first gear 332 to rotate, the rack 333 engaged with the first gear 332 drives the adjusting lever 334 to move, the fixed block 31 on the adjusting lever 334 slides in the sliding slot 113 toward the direction close to the guide block 23, and the fixed rod 32 on the fixed block 31 is clamped with the fixed slot 231 on the guide block 23.

Finally, the bolt is rotated to detach the upper die 13 from the lower press block 12 and the lower die 14 from the frame 11.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An electric screw press comprises a rack (11), a lower pressing block (12), an upper die (13), a lower die (14) and a driving mechanism, wherein the lower pressing block (12) is arranged on the rack (11), and the upper die (13) is arranged on the lower pressing block (12); the lower die (14) is arranged on the rack (11); the driving mechanism is arranged on the rack (11) and is connected with the lower pressing block (12); the device is characterized in that a fixing mechanism (3) is arranged on the rack (11), the fixing mechanism (3) comprises a fixing block (31), a fixing rod (32) and a first adjusting component (33), the fixing block (31) is arranged on the rack (11), the fixing rod (32) is arranged on the fixing block (31), and a fixing groove (231) clamped with the fixing rod (32) is formed in the lower pressing block (12); the first adjusting component (33) is arranged on the rack (11) and connected with the fixing block (31).

2. An electric screw press according to claim 1, characterized in that said first adjustment assembly (33) comprises a first motor (331), a first gear (332) and a rack (333), said first motor (331) being arranged on said frame (11), said first gear (332) being keyed on an output shaft of said first motor (331); the rack (333) is arranged on the fixed block (31) and meshed with the first gear (332).

3. An electric screw press according to claim 1, characterized in that a support mechanism (4) is arranged on said frame (11), said support mechanism (4) comprises a connecting block (41), a supporting block (42) and a second adjusting member, said connecting block (41) is arranged on said frame (11), said supporting block (42) is arranged on said connecting block (41) and said lower press block (12) can abut against said supporting block (42); the second adjusting component is arranged on the connecting block (41) and connected with the supporting block (42).

4. An electric screw press according to claim 3, characterized in that said second adjustment assembly comprises a second motor (431), a second gear (432), a third gear (433) and a rotating shaft (434), said second motor (431) being arranged on said connecting block (41), said second gear (432) being keyed on an output shaft of said second motor (431); the rotating shaft (434) is arranged on the connecting block (41), and the supporting block (42) is arranged on the rotating shaft (434); the third gear (433) is keyed on the rotating shaft (434) and is meshed with the second gear (432).

5. An electric screw press according to claim 3, characterised in that a third adjusting assembly (44) is arranged on the frame (11), said third adjusting assembly (44) comprising a third motor (441) and a first screw (442), said third motor (441) being arranged on the frame (11), said first screw (442) being connected to an output shaft of said third motor (441) and passing through said connecting block (41).

6. The electric screw press according to claim 1, wherein the driving mechanism comprises a driving block (21), a second screw (22), a guide block (23), a guide rail (24) and a driving assembly (25), a groove (261) is formed in the lower pressing block (12), the driving block (21) is arranged on the lower pressing block (12), and a threaded hole is formed in the driving block (21); the second screw rod (22) is arranged on the frame (11), and one end, far away from the frame (11), of the second screw rod (22) penetrates through the threaded hole to be located in the groove (261); the guide rail (24) is arranged on the frame (11); the guide block (23) is arranged on the lower pressing block (12), the guide block (23) slides on the guide rail (24), and the fixing groove (231) is clamped on the guide block (23); the driving component (25) is arranged on the frame (11) and is connected with the second screw rod (22).

7. An electric screw press according to claim 6, wherein said drive assembly (25) comprises a first rotary disc (251), a second rotary disc (252), a belt (253) and a fourth motor (254), said fourth motor (254) being arranged on said frame (11), said first rotary disc (251) being arranged on an output shaft of said fourth motor (254); the second rotating disc (252) is connected with the second screw (22), and the belt (253) is sleeved on the first rotating disc (251) and the second rotating disc (252).

8. An electric screw press according to claim 7, wherein a brake mechanism (5) is arranged on the frame (11), said brake mechanism (5) comprising a mounting block (51), an air cylinder (52) and a brake shoe (53), said mounting block (51) being arranged on the frame (11), said air cylinder (52) being arranged on said mounting block (51), said brake shoe (53) being arranged on a piston rod of said air cylinder (52), and said brake shoe (53) being adapted to abut against said second turn disc (252).