CN112317665B

CN112317665B - Electric screw press

Info

Publication number: CN112317665B
Application number: CN202011081027.XA
Authority: CN
Inventors: 郑凯玄; 倪荣军; 毕乃秀; 郑克燕
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: 2022-08-19
Anticipated expiration: 2040-10-11
Also published as: CN112317665A

Abstract

The application relates to an electric screw press, which comprises a rack, a lower pressing block, an upper die, a lower die and a driving mechanism, wherein the lower pressing block is arranged on the rack, 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; be provided with clearance mechanism in the frame, clearance mechanism includes slider, jet-propelled pipe and a regulating assembly, first spout has been seted up in the frame, the slider slides and connects in the first spout, jet-propelled pipe sets up on the slider, a regulating assembly sets up in the frame and with the slider is connected. The method and the device have the effect of improving the cleaning efficiency.

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, chinese patent with publication number CN211386745U discloses an electric screw press, which comprises a frame, wherein a driving motor is fixedly connected to the frame, a small belt pulley is connected to a driving end of the driving motor, a screw rod is rotatably connected to the frame, a large belt pulley with a flywheel is fixedly connected to the upper end of the screw rod, the small belt pulley and the large belt pulley are connected to each other through a belt, a first brake for braking the large belt pulley is fixedly connected to the frame through a fixing bracket, a sliding body is slidably connected to the frame through a guide sleeve, a copper nut matched with the screw rod is fixedly connected to the inside of the sliding body, an upper die is arranged at the lower end of the sliding body, sliding blocks are fixedly connected to two ends of the sliding body, the sliding blocks are slidably connected to the frame, sliding rods are fixedly connected to the sliding blocks, a lower die matched with the upper die is connected to the frame, the brake device is characterized in that a buffer spring is connected between the bottom side of the lower die and the frame, the bottom side of the lower die is connected with an orientation rod, the lower end of the sliding rod is fixedly connected with an orientation frame, a second brake used for braking the orientation rod is connected onto the orientation frame, and a through hole matched with the orientation rod is formed in the orientation frame.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the work piece that will process is placed on the lower mould, then goes up the mould and can process the work piece that lies in on the lower mould, and the work piece can produce some residue pieces in the time of processing, and these residue pieces can drop in the frame, then need artifical clearance, but because the existence of lower mould, operating personnel will be very inconvenient in the clearance to efficiency has been reduced.

Disclosure of Invention

In order to improve cleaning efficiency, the application provides an electric 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; be provided with clearance mechanism in the frame, clearance mechanism includes slider, jet-propelled pipe and a regulating assembly, first spout has been seted up in the frame, the slider slides and connects in the first spout, jet-propelled pipe setting is in on the slider, a regulating assembly sets up in the frame and with the slider is connected.

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, the upper die on the lower pressing block moves towards the direction close to the lower die, so that the processing of the workpiece is completed, after the processing of the workpiece is completed, the first adjusting assembly is started, the first adjusting assembly drives the sliding block to slide in the first sliding groove, the sliding block moves to drive the gas ejector pipe to move, and the gas ejected by the gas ejector pipe blows residue fragments out of the rack; thereby set up clearance mechanism and can reduce manual operation raise the efficiency.

Optionally, the first adjusting assembly includes a first motor and a first screw, and the first screw is rotatably connected in the first sliding chute and passes through the sliding block; the first motor is arranged on the rack and connected with the first screw rod; a second adjusting component is arranged on the sliding block and comprises a first bevel gear, a second bevel gear and a second motor, the second motor is arranged on the sliding block, and the first bevel gear is in keyed connection with an output shaft of the second motor; the second bevel gear is arranged on the gas ejector pipe and meshed with the first bevel gear.

By adopting the technical scheme, after the workpiece is machined, the first motor and the second motor are started, the output shaft of the first motor drives the first screw rod to rotate in the first sliding groove, so that the sliding block slides in the first sliding groove, and the adjusting rod on the sliding block can drive the gas ejector pipe to move; an output shaft of the second motor drives the first bevel gear to rotate, a second bevel gear meshed with the first bevel gear rotates, and the second bevel gear drives the gas ejector pipe to move, so that the gas ejection range of the gas ejector pipe can be changed.

Optionally, a recycling mechanism is arranged on the rack, the recycling mechanism includes a recycling bin, a fan and a filter block, a placing cavity is arranged on the rack, an air vent communicated with the placing cavity is arranged on the rack, a recycling hole communicated with the placing cavity is arranged on the rack, the recycling bin is arranged in the placing cavity, the fan is arranged on the rack, and an air suction inlet of the fan is communicated with the air vent; the filter block is arranged in the placing cavity and covers the vent hole.

Through adopting above-mentioned technical scheme, when jet-propelled pipe blowout gas blows the residue piece, start the fan, the fan produces suction, then the residue piece that produces on the work piece can enter into through the recovery hole and place the intracavity, and when the fan was closed, the residue piece can be transferred to the collection box in.

Optionally, a sealing mechanism is arranged on the rack, the sealing mechanism includes a connecting shaft, a sealing plate and a third adjusting assembly, the connecting shaft is rotatably connected to the rack, and the sealing plate is arranged on the connecting shaft and can seal the passage of the recovery hole; the third adjusting assembly comprises a first gear, a second gear and a third motor, the third motor is arranged on the rack, and the first gear is connected to an output shaft of the third motor in a key mode; the second gear is connected to the connecting shaft in a key mode and meshed with the first gear.

Through adopting above-mentioned technical scheme, when needs clearance residue piece, start the third motor, the output shaft of third motor drives first gear revolve, drives the connecting axle with first gear engagement's second gear and rotates, and the connecting axle drives the closing plate motion, makes the closing plate no longer seal the passageway in recovery hole to make the residue piece can enter into the collection box from the recovery hole.

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 of the second screw rod, which is far away from the rack, penetrates through the threaded hole and is positioned in the groove; the guide rail is arranged on the rack; the guide block is arranged on the lower pressing block and slides on the guide rail; the driving assembly comprises a first rotating disc, a second rotating disc, a belt and a fourth motor, the fourth motor is arranged on the rack, and the first rotating disc is arranged on an output shaft of the fourth motor; the second rotating disc is connected with the second screw rod, and the belt sleeve is arranged on the first rotating disc and the second rotating disc.

Through adopting above-mentioned technical scheme, the work piece that will process is placed on the lower mould, then starts the fourth motor, and the output shaft of fourth motor drives the second screw rod and rotates, because the screw hole threaded connection on second screw rod and the drive block to guide block and the guide rail on the briquetting slide and be connected down, so when the second screw rod rotated, the second screw rod will drive the drive block and remove, and the briquetting motion is down driven to the drive block, and the guide block on the briquetting slides on the guide rail down.

Optionally, a tensioning mechanism is arranged on the rack, the tensioning mechanism includes a first fixed block, a connecting rod, a tensioning shaft and a fourth adjusting assembly, the first fixed block is arranged on the rack, a second sliding groove is formed in the first fixed block, and one end of the connecting rod is connected in the second sliding groove in a sliding manner; the tensioning shaft is arranged at one end, far away from the first fixing block, of the connecting rod and can abut against the belt; the fourth adjusting component comprises a fifth motor and a third screw rod, and the third screw rod is rotatably connected in the second sliding groove and penetrates through the connecting rod; the fifth motor is arranged on the first fixing block and connected with the second screw rod.

By adopting the technical scheme, the fifth motor is started firstly, the output shaft of the fifth motor drives the third screw to rotate, the third screw rotates to drive the connecting rod to slide in the second chute, and the connecting rod drives the tensioning shaft to abut against the belt, so that the belt sleeved on the first turntable and the second turntable is kept in a tensioning state; the straining device who sets up can make the belt keep the tensioning state and avoid the belt to skid, influences the removal of briquetting down.

Optionally, a support mechanism is arranged on each of two sides of the rack, the support mechanism includes a first connection block, a support block, a fifth adjustment assembly and a sixth adjustment assembly, the first connection block is arranged on the rack, the support block is arranged on the first connection block, and the guide block can abut against the support block; the fifth adjusting assembly comprises a sixth motor, a third gear, a fourth gear and a rotating shaft, the sixth motor is arranged on the first connecting block, and the third gear is connected to an output shaft of the sixth motor in a key mode; the rotating shaft is arranged on the first connecting block, and the supporting block is arranged on the rotating shaft; the fourth gear is connected to the rotating shaft in a keyed mode and meshed with the third gear; the sixth adjusting component comprises a seventh motor and a fourth screw, the seventh motor is arranged on the rack, and the fourth screw is connected with an output shaft of the seventh motor and penetrates through the first connecting block.

By adopting the technical scheme, when the upper die needs to be replaced, the fourth motor is started first, and the guide block on the lower pressing block slides on the guide rail; then, a seventh motor is started, an output shaft of the seventh motor drives a fourth screw rod to rotate, and the fourth screw rod drives the first connecting block to slide in the placing groove; then starting a sixth motor, wherein an output shaft of the sixth motor drives a third gear to rotate, and a fourth gear meshed with the third gear drives a rotating shaft to rotate, so that a supporting block on the rotating shaft is in contact with a lower pressing block; the supporting mechanism who sets up can support the guide block when changing the mould to the realization supports the briquetting down, prevents that the briquetting from can be towards the direction motion of being close to the lower mould when changing the mould, thereby improves the security.

Optionally, a limiting mechanism is arranged on the supporting block, the limiting mechanism includes a second connecting block, a limiting block and a seventh adjusting assembly, the second connecting block is arranged on the supporting block, the guide block is provided with a connecting groove, the second connecting blocks can extend into the connecting groove, and two second connecting blocks are provided with a limiting groove; the guide block is provided with a cavity, two ends of the cavity are connected with the limiting blocks in a sliding mode, and the two limiting blocks can be respectively clamped with the limiting grooves in the two second connecting blocks; the seventh adjusting assembly comprises an eighth motor and a bidirectional screw rod, the bidirectional screw rod is rotatably connected in the cavity, and the two limiting blocks are respectively connected with two ends of the bidirectional screw rod; the eighth motor is arranged in the cavity and connected with the bidirectional screw rod.

By adopting the technical scheme, when the supporting block abuts against the guide block, the second connecting block on the supporting block can extend into the connecting groove of the guide block; then starting an eighth motor, wherein an output shaft of the eighth motor drives a bidirectional screw to rotate, and the bidirectional screw drives two limiting blocks to move backwards in the cavity, so that the limiting blocks are clamped with the limiting grooves on the second connecting block; the limiting mechanism can improve the stability of the supporting block when the supporting block supports the guide block.

Optionally, a fixing mechanism is arranged on the rack, the fixing mechanism includes a second fixing block, a fixing rod, a moving rod and an eighth adjusting assembly, a third chute is formed in the rack, the second fixing block is connected in the third chute in a sliding manner, the fixing rod is arranged on the second fixing block, and a fixing groove clamped with the fixing rod is formed in the guide block; the moving rod is arranged on the second fixed block; the eighth adjusting assembly comprises a ninth motor, a fifth gear and a rack, the ninth motor is arranged on the rack, and the fifth gear is connected to an output shaft of the ninth motor in a key mode; the rack is arranged on the moving rod and meshed with the fifth gear.

By adopting the technical scheme, after the supporting block abuts against the guide block, the ninth motor is started, the output shaft of the ninth motor drives the fifth gear to rotate, the rack meshed with the fifth gear drives the second fixing block on the movable rod to slide in the third chute towards the direction close to the guide block, and the fixing rod on the second fixing block is clamped with the fixing groove on the guide block; the fixed establishment who sets up can be fixed the guide block that the supporting shoe contradicts.

To sum up, this application includes following at least one electric screw press beneficial technical effect:

1. the cleaning mechanism is arranged, so that manual operation can be reduced, and the efficiency is improved;

2. the belt can be kept in a tensioning state by the tensioning mechanism, so that the belt is prevented from slipping and the movement of the lower pressing block is influenced;

3. the supporting mechanism can improve safety.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a drive block in an embodiment of the present application;

FIG. 3 is a schematic structural view of a tensioning mechanism 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 fifth adjustment assembly in an embodiment of the present application;

FIG. 6 is a schematic structural view of a limiting mechanism in an embodiment of the present application;

FIG. 7 is a schematic structural view of a fixing mechanism in an embodiment of the present application;

FIG. 8 is a schematic structural diagram of a cleaning mechanism in an embodiment of the present application;

FIG. 9 is an enlarged view of A in FIG. 8;

FIG. 10 is a schematic structural view of a recovery mechanism in an embodiment of the present application;

fig. 11 is a schematic structural view of a sealing mechanism in an embodiment of the present application.

Reference numerals are as follows: 11. a frame; 111. a processing cavity; 112. a placement groove; 113. a third chute; 12. pressing a block; 13. an upper die; 14. a lower die; 15. mounting a block; 151. a first chute; 152. a placement chamber; 153. a recovery hole; 21. a drive block; 22. a second screw; 23. a guide block; 24. a guide rail; 25. a drive assembly; 251. a first turntable; 252. a second turntable; 253. a belt; 254. a fourth motor; 26. a regulating block; 261. a groove; 3. a tensioning mechanism; 31. a first fixed block; 311. a second chute; 32. a connecting rod; 33. tensioning the shaft; 34. a fourth adjustment assembly; 341. a fifth motor; 342. a third screw; 35. a sliding block; 4. a cleaning mechanism; 41. a slider; 42. a gas ejector tube; 43. a first adjustment assembly; 431. a first motor; 432. a first screw; 44. a second adjustment assembly; 441. a first bevel gear; 442. a second bevel gear; 443. a second motor; 45. a support bar; 5. a recovery mechanism; 51. a recycling bin; 52. a fan; 53. a filtering block; 6. a sealing mechanism; 61. a connecting shaft; 62. a sealing plate; 63. a third adjustment assembly; 631. a first gear; 632. a second gear; 633. a third motor; 7. a support mechanism; 71. a first connection block; 72. a support block; 73. a fifth adjustment assembly; 731. a sixth motor; 732. a third gear; 733. a fourth gear; 734. a rotating shaft; 74. a sixth adjustment assembly; 741. a seventh motor; 742. a fourth screw; 8. a limiting mechanism; 81. a second connecting block; 811. defining a slot; 82. a limiting block; 83. a seventh adjustment assembly; 831. an eighth motor; 832. a bidirectional screw; 9. a fixing mechanism; 91. a second fixed block; 92. a fixing rod; 93. an eighth adjustment assembly; 931. a ninth motor; 932. a fifth gear; 933. a rack; 94. the rod is moved.

Detailed Description

The present application is described in further detail below with reference to figures 1-11.

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 to a lower pressing block 12 in a sliding manner, the lower pressing block 12 is connected to an upper die 13 through a bolt, and a driving mechanism connected to the lower pressing block 12 is disposed on the frame 11; the side wall of the lower end of the processing cavity 111 is fixedly connected with an installation block 15, and the installation block 15 is connected with a lower die 14 through a bolt; the frame 11 is provided with a cleaning mechanism 4, a recovery mechanism 5, a fixing mechanism 9 and a supporting mechanism 7.

Referring to fig. 1 and fig. 2, 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 is formed in the guide block 23.

A driving assembly 25 is arranged on the frame 11, the driving assembly 25 comprises a fourth motor 254 fixedly connected to the frame 11, and an output shaft of the fourth motor 254 is connected with a first rotating disc 251; 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.

Referring to fig. 1 and 3, a tensioning mechanism 3 is arranged on the frame 11, the tensioning mechanism 3 includes a first fixing block 31 fixedly connected to the frame 11, a second sliding groove 311 is formed in the first fixing block 31, a sliding block 35 is connected to the second sliding groove 311 in a sliding manner, a connecting rod 32 is fixedly connected to the sliding block 35, and one end of the connecting rod 32, which is far away from the sliding block 35, is rotatably connected to a tensioning shaft 33 which abuts against the tension belt 253. A fourth adjusting component 34 is arranged on the first fixed block 31, the fourth adjusting component 34 comprises a third screw 342 which is rotatably connected in the second sliding chute 311, and the third screw 342 passes through the sliding block 35 and is in threaded connection with the sliding block 35; a fifth motor 341 connected to the third screw 342 is fixedly connected to the first fixed block 31.

Referring to fig. 1 and 4, a placing groove 112 communicated with the processing cavity 111 is formed on each of two sides of the frame 11, the supporting mechanism 7 includes a first connecting block 71 connected in the placing groove 112 in a sliding manner, a supporting block 72 is arranged on the first connecting block 71, and both the supporting blocks 72 can abut against the guide block 23.

Referring to fig. 4 and 5, a fifth adjusting assembly 73 is disposed on the first connecting block 71, the fifth adjusting assembly 73 includes a rotating shaft 734 rotatably connected to the first connecting block 71, the supporting block 72 is fixedly connected to the rotating shaft 734, and a fourth gear 733 is keyed to the rotating shaft 734; a sixth motor 731 is fixedly connected to the first connection block 71, and a third gear 732 that meshes with the fourth gear 733 is keyed to an output shaft of the sixth motor 731. A sixth adjusting assembly 74 is arranged on the frame 11, the sixth adjusting assembly 74 includes a fourth screw 742 rotatably connected in the placing groove 112, and the fourth screw 742 passes through the first connecting block 71 and is connected with the first connecting block 71; a seventh motor 741 connected to the fourth screw 742 is fixedly connected to the frame 11.

Referring to fig. 1 and 6, a connecting groove is formed in the guide block 23, and a cavity communicated with the connecting groove is formed in the guide block 23; the supporting block 72 is provided with a limiting mechanism 8, the limiting mechanism 8 comprises a second connecting block 81 fixedly connected to the supporting block 72, the second connecting block 81 can extend into the connecting groove, and the second connecting block 81 is provided with a limiting groove 811; both ends of the cavity are connected with limiting blocks 82 in a sliding mode, and the limiting blocks 82 can be clamped with the limiting grooves 811. A seventh adjusting component 83 is arranged in the cavity, the seventh adjusting component 83 comprises a bidirectional screw 832 which is rotatably connected in the cavity, the thread directions of two ends of the bidirectional screw 832 are opposite, two ends of the bidirectional screw 832 respectively penetrate through two limiting blocks 82, and the two limiting blocks 82 are respectively in threaded connection with two ends of the bidirectional screw 832; an eighth motor 831 connected to one end of the bidirectional screw 832 is fixedly connected to a side wall of the cavity.

Referring to fig. 1 and 7, a third chute 113 is formed in the frame 11, the fixing mechanism 9 is slidably connected to a second fixing block 91 in the third chute 113, a plurality of fixing rods 92 are uniformly and fixedly connected to one side of the second fixing block 91 facing the guide block 23, and the fixing rods 92 can be clamped with the fixing grooves on the guide block 23; a moving rod 94 is fixedly connected to the second fixing block 91 on a side away from the fixing rod 92. An eighth adjusting assembly 93 is arranged on the rack 11, and the eighth adjusting assembly 93 comprises a rack 933 fixedly connected to the moving rod 94; a ninth motor 931 is fixedly connected to the frame 11, and a fifth gear 932 engaged with the rack 933 is keyed on an output shaft of the ninth motor 931.

Referring to fig. 8 and 9, a first sliding groove 151 is formed in the mounting block 15, the cleaning mechanism 4 includes a sliding block 41 slidably connected in the first sliding groove 151, a support rod 45 is disposed on the sliding block 41, and an air injection pipe 42 is disposed on the support rod 45. The mounting block 15 is provided with a first adjusting assembly 43, the first adjusting assembly 43 comprises a first screw rod 432 rotatably connected in the first sliding groove 151, and the first screw rod 432 is rotatably connected in the first sliding groove 151 and is in threaded connection with the sliding block 41; a second motor 443 connected to the first screw 432 is fixedly connected to the mounting block 15.

A second adjusting component 44 is arranged on the sliding block 41, the second adjusting component 44 comprises an adjusting shaft which is rotatably connected to the supporting rod 45, and the gas injection pipe 42 is connected with the adjusting shaft; a second bevel gear 442 is keyed on the adjusting shaft; a second motor 443 is fixedly connected to the slider 41, and a first bevel gear 441 engaged with the second bevel gear 442 is keyed to an output shaft of the second motor 443.

Referring to fig. 8 and 10, a placing cavity 152 is formed on the mounting block 15, and a vent hole communicated with the placing cavity 152 is formed on the mounting block 15; a recovery hole 153 communicated with the placing cavity 152 is formed in the side wall of one end, facing the lower pressing block 12, of the mounting block 15; the recovery mechanism 5 comprises a fan 52 fixedly connected to the mounting block 15, and an air suction port of the fan 52 is communicated with the communication hole; a filter block 53 for sealing the vent hole is fixedly connected to the side wall of the placing cavity 152; a recovery tank 51 is slidably connected in the placing cavity 152. The fan 52 is activated, and the fan 52 can suck the debris on the mounting block 15 into the recovery tank 51 in the placing chamber 152 through the vent hole and the recovery hole 153.

Referring to fig. 8 and 11, the mounting block 15 is provided with a sealing mechanism 6 for sealing the recovery hole 153, the sealing mechanism 6 includes a connecting shaft 61 rotatably connected to the mounting block 15, a sealing plate 62 is fixedly connected to the connecting shaft 61, and the sealing plate 62 can seal the passage of the recovery hole 153. A third adjusting component 63 is arranged on the mounting block 15, the third adjusting component 63 comprises a third motor 633 fixedly connected to the mounting block 15, and an output shaft of the third motor 633 is keyed with a first gear 631; a second gear 632 meshed with the first gear 631 is keyed to the connecting shaft 61.

The implementation principle of the electric screw press in the embodiment of the application is as follows: the fifth motor 341 is started first, the output shaft of the fifth motor 341 drives the third screw 342 to rotate, the third screw 342 rotates to drive the sliding block 35 to slide in the second sliding slot 311, the connecting rod 32 on the sliding block 35 drives the tensioning shaft 33 to abut against the belt 253, so that the belt 253 sleeved on the first rotary table 251 and the second rotary table 252 keeps a tensioned state.

A workpiece to be processed is placed on the lower die 14, then the fourth motor 254 is started, an output shaft of the fourth motor 254 drives the second screw 22 to rotate, because the second screw 22 is in threaded connection with a threaded hole in 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.

After the workpiece is machined, the third motor 633, the first motor 431, the second motor 443 and the fan 52 are started, the output shaft of the third motor 633 drives the first gear 631 to rotate, the second gear 632 meshed with the first gear 631 drives the connecting shaft 61 to rotate, the connecting shaft 61 drives the sealing plate 62 to move, and the sealing plate 62 no longer seals the channel of the recovery hole 153; an output shaft of the first motor 431 drives the first screw 432 to rotate in the first sliding groove 151, so that the sliding block 41 slides in the first sliding groove 151, and the support rod 45 on the sliding block 41 drives the gas injection pipe 42 to move; an output shaft of the second motor 443 drives the first bevel gear 441 to rotate, the second bevel gear 442 meshed with the first bevel gear 441 rotates, the second bevel gear 442 drives the adjusting shaft to rotate, and the adjusting shaft drives the gas ejecting pipe 42 to move, so that the gas ejecting range of the gas ejecting pipe 42 can be changed; the fan 52 generates suction force, and then the scrap pieces generated on the workpiece enter the placing chamber 152 through the recovery holes 153, and when the fan 52 is turned off, the scrap pieces are transferred into the recovery tank 51.

When the upper die 13 and the lower die 14 need to be replaced, the fourth motor 254 is started first, and the guide block 23 on the lower pressing block 12 slides on the guide rail 24.

Then, the seventh motor 741 is activated, an output shaft of the seventh motor 741 drives the fourth screw 742 to rotate, and the fourth screw 742 drives the first connecting block 71 to slide in the placing slot 112. Then, the sixth motor 731 is started, the output shaft of the sixth motor 731 drives the third gear 732 to rotate, the fourth gear 733 meshed with the third gear 732 drives the rotating shaft 734 to rotate, so that the supporting block 72 on the rotating shaft 734 abuts against the lower pressing block 12; the second connecting piece 81 of the supporting block 72 extends into the connecting groove. Then, the eighth motor 831 is started, an output shaft of the eighth motor 831 drives the bidirectional screw 832 to rotate, and the bidirectional screw 832 drives the two limiting blocks 82 to move back and forth in the cavity, so that the limiting blocks 82 are clamped with the limiting grooves 811 on the second connecting block 81. Finally, the ninth motor 931 is started, the output shaft of the ninth motor 931 drives the fifth gear 932 to rotate, the rack 933 meshed with the fifth gear 932 drives the moving rod 94 to slide in the third sliding groove 113 in the direction close to the guide block 23, so that the fixed rod 92 on the second fixed block 91 is clamped with the fixed groove on the guide block 23.

Finally, the bolts are turned to remove the upper die 13 from the lower die holder 12 for replacement and removal, and the lower die 14 is removed from the mounting block 15 for replacement.

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: equivalent changes in 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 cleaning device is characterized in that a cleaning mechanism (4) is arranged on the rack (11), the cleaning mechanism (4) comprises a sliding block (41), an air injection pipe (42) and a first adjusting component (43), a first sliding groove (151) is formed in the rack (11), the sliding block (41) is connected in the first sliding groove (151) in a sliding manner, the air injection pipe (42) is arranged on the sliding block (41), and the first adjusting component (43) is arranged on the rack (11) and connected with the sliding block (41);

the driving mechanism comprises a driving block (21), a second screw rod (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), and the guide block (23) slides on the guide rail (24);

the driving assembly (25) comprises a first rotating disc (251), a second rotating disc (252), a belt (253) and a fourth motor (254), the fourth motor (254) is arranged on the machine frame (11), and the first rotating disc (251) is arranged on an output shaft of the fourth motor (254); the second rotary disc (252) is connected with the second screw (22), and the belt (253) is sleeved on the first rotary disc (251) and the second rotary disc (252);

supporting mechanisms (7) are arranged on two sides of the rack (11), each supporting mechanism (7) comprises a first connecting block (71), a supporting block (72), a fifth adjusting component (73) and a sixth adjusting component (74), the first connecting blocks (71) are arranged on the rack (11), the supporting blocks (72) are arranged on the first connecting blocks (71), and the guide blocks (23) can abut against the supporting blocks (72);

the fifth adjusting component (73) comprises a sixth motor (731), a third gear (732), a fourth gear (733) and a rotating shaft (734), the sixth motor (731) is arranged on the first connecting block (71), and the third gear (732) is connected to an output shaft of the sixth motor (731) in a key mode; the rotating shaft (734) is arranged on the first connecting block (71), and the supporting block (72) is arranged on the rotating shaft (734); the fourth gear (733) is keyed on the shaft (734) and meshes with the third gear (732);

the sixth adjusting assembly (74) includes a seventh motor (741) and a fourth screw (742), the seventh motor (741) is disposed on the frame (11), and the fourth screw (742) is connected to an output shaft of the seventh motor (741) and passes through the first connecting block (71);

the recycling device is characterized in that a recycling mechanism (5) is arranged on the rack (11), the recycling mechanism (5) comprises a recycling box (51), a fan (52) and a filter block (53), a placing cavity (152) is arranged on the rack (11), a vent hole communicated with the placing cavity (152) is arranged on the rack (11), a recycling hole (153) communicated with the placing cavity (152) is arranged on the rack (11), the recycling box (51) is arranged in the placing cavity (152), the fan (52) is arranged on the rack (11), and an air suction port of the fan (52) is communicated with the vent hole; the filter block (53) is disposed within the placement chamber (152) and covers the vent hole.

2. An electric screw press according to claim 1, characterized in that said first adjusting assembly (43) comprises a first motor (431) and a first screw (432), said first screw (432) being rotatably connected within said first chute (151) and passing through said slide (41); the first motor (431) is arranged on the frame (11) and is connected with the first screw rod (432);

a second adjusting component (44) is arranged on the sliding block (41), the second adjusting component (44) comprises a first bevel gear (441), a second bevel gear (442) and a second motor (443), the second motor (443) is arranged on the sliding block (41), and the first bevel gear (441) is connected to an output shaft of the second motor (443) in a key mode; the second bevel gear (442) is disposed on the gas lance (42) and engages with the first bevel gear (441).

3. An electric screw press according to claim 1, characterized in that a sealing mechanism (6) is arranged on the frame (11), the sealing mechanism (6) comprises a connecting shaft (61), a sealing plate (62) and a third adjusting assembly (63), the connecting shaft (61) is rotatably connected to the frame (11), and the sealing plate (62) is arranged on the connecting shaft (61) and can seal the passage of the recovery hole (153);

the third adjusting component (63) comprises a first gear (631), a second gear (632) and a third motor (633), the third motor (633) is arranged on the rack (11), and the first gear (631) is connected to an output shaft of the third motor (633) in a key mode; the second gear (632) is keyed on the connecting shaft (61) and meshes with the first gear (631).

4. The electric screw press according to claim 1, wherein a tensioning mechanism (3) is arranged on the frame (11), the tensioning mechanism (3) comprises a first fixing block (31), a connecting rod (32), a tensioning shaft (33) and a fourth adjusting component (34), the first fixing block (31) is arranged on the frame (11), a second sliding groove (311) is formed in the first fixing block (31), and one end of the connecting rod (32) is connected in the second sliding groove (311) in a sliding manner; the tensioning shaft (33) is arranged at one end, away from the first fixing block (31), of the connecting rod (32) and can abut against the belt (253);

the fourth adjusting component (34) comprises a fifth motor (341) and a third screw rod (342), and the third screw rod (342) is rotatably connected in the second sliding chute (311) and penetrates through the connecting rod (32); the fifth motor (341) is arranged on the first fixed block (31) and is connected with the second screw (22).

5. An electric screw press according to claim 1, wherein the support block (72) is provided with a limiting mechanism (8), the limiting mechanism (8) comprises a second connecting block (81), a limiting block (82) and a seventh adjusting component (83), the second connecting block (81) is arranged on the support block (72), the guide block (23) is provided with a connecting groove, the second connecting block (81) can extend into the connecting groove, and both the second connecting blocks (81) are provided with a limiting groove (811); a cavity is formed in the guide block (23), the two ends of the cavity are connected with the limiting blocks (82) in a sliding mode, and the two limiting blocks (82) can be clamped with the limiting grooves (811) in the two second connecting blocks (81) respectively;

the seventh adjusting component (83) comprises an eighth motor (831) and a bidirectional screw rod (832), the bidirectional screw rod (832) is rotatably connected in the cavity, and the two limiting blocks (82) are respectively connected with two ends of the bidirectional screw rod (832); the eighth motor (831) is disposed within the cavity and is connected to the bi-directional screw (832).

6. The electric screw press according to claim 1, wherein a fixing mechanism (9) is arranged on the frame (11), the fixing mechanism (9) comprises a second fixing block (91), a fixing rod (92), a moving rod (94) and an eighth adjusting assembly (93), a third sliding groove (113) is formed in the frame (11), the second fixing block (91) is connected in the third sliding groove (113) in a sliding manner, the fixing rod (92) is arranged on the second fixing block (91), and a fixing groove clamped with the fixing rod (92) is formed in the guide block (23); the moving rod (94) is arranged on the second fixed block (91);

the eighth adjusting assembly (93) comprises a ninth motor (931), a fifth gear (932) and a rack (933), the ninth motor (931) is arranged on the frame (11), and the fifth gear (932) is keyed on an output shaft of the ninth motor (931); the rack (933) is provided on the moving rod (94) and meshes with the fifth gear (932).