CN114770161A

CN114770161A - Rapid pressing device for machine manufacturing equipment

Info

Publication number: CN114770161A
Application number: CN202210421629.8A
Authority: CN
Inventors: 牛婧; 刘力瑗; 马帅
Original assignee: Shandong Polytechnic College
Current assignee: Shandong Polytechnic College
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-07-22

Abstract

The invention provides a quick pressing device for mechanical manufacturing equipment, and relates to the field of machining tools. This quick hold-down device for machine-building equipment, which comprises a bracket, the up end of support leans on center department to seted up the activity groove, the inner of activity groove is provided with slide bar and two-way lead screw, the both ends of slide bar are fixed connection respectively on the activity groove lateral wall, the one end of two-way lead screw is rotated and is connected on the lateral wall of activity groove, and the other end runs through another lateral wall of activity groove and leads to the support outside, the fixed cover in outer end of two-way lead screw is equipped with first gear, is close to fixedly on the support outer wall of first gear be provided with the motor. The pressing device designed by the invention can automatically and quickly clamp the plate-shaped workpiece under the control of the pressure sensor, does not need manual operation, is convenient and quick, and can also press and fix the upper ends of the plate-shaped workpieces with different thicknesses.

Description

Rapid pressing device for mechanical manufacturing equipment

Technical Field

The invention relates to the technical field of machining tools, in particular to a quick pressing device for mechanical manufacturing equipment.

Background

The mechanical manufacturing refers to the industrial sector engaged in the production of various power machines, hoisting and transporting machines, agricultural machines, metallurgical mining machines, chemical machinery, textile machinery, machine tools, instruments and other mechanical equipment, etc., the mechanical manufacturing provides technical equipment for the whole national economy, the development level of the mechanical manufacturing is one of the main marks of the national industrialization degree, various mechanical equipment is required to be used in the mechanical manufacturing process, and the equipment needs to use a pressing device to fix a workpiece when the workpiece is machined.

The panel work piece is used most in the machine-building, current closing device is when fixing the panel work piece, it is fixed to the work piece clamp from both sides many, the upper end is generally unfixed, even fixed panel upside, also relatively more troublesome, the operation of not being convenient for, the fixed process that compresses tightly of current device is mostly semi-automatization simultaneously, the manpower control device is tight to the work piece clamp, can't realize automatic quick-witted tight, lead to equipment efficiency general, need design a quick closing device for machine-building equipment for this reason.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a quick pressing device for mechanical manufacturing equipment, which solves the problems that the conventional device has complex steps for fastening a plate clamp, depends on manual control equipment to clamp a workpiece and has general efficiency.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a quick pressing device for mechanical manufacturing equipment comprises a bracket, wherein a movable groove is formed in the upper end surface of the bracket close to the center, the inner end of the movable groove is provided with a slide bar and a bidirectional screw rod, the two ends of the slide bar are respectively and fixedly connected with the side wall of the movable groove, one end of the bidirectional screw rod is rotatably connected on one side wall of the movable groove, the other end of the bidirectional screw rod penetrates through the other side wall of the movable groove and is communicated to the outer side of the bracket, the outer end of the bidirectional screw rod is fixedly sleeved with a first gear, the outer wall of the bracket close to the first gear is fixedly provided with a motor, the motor, the second gear and the first gear are mutually meshed, the outer sides of the two ends of the bidirectional screw rod are respectively sleeved with a sliding block in a threaded manner, the pipe bodies at two ends of the sliding rod respectively penetrate through the two sliding blocks, a first clamp and a second clamp are respectively arranged at two sides of the inner end of the movable groove, and the first clamp and the second clamp are respectively sleeved at the outer ends of the two sliding blocks;

the first clamp comprises an L-shaped clamp plate, an adjusting screw, an upper pressing wheel structure, a rubber pad and a sealing plate, wherein an adjusting groove is formed in the center of the L-shaped clamp plate close to a lower end plate body, the sealing plate is fixedly connected to the bottom end of the L-shaped clamp plate through a bolt, the slider slides in a matching manner at the inner end of the adjusting groove, the rubber pad is fixedly connected to the inner side wall of the L-shaped clamp plate, the lower end of the adjusting screw penetrates through the center of the top end of the L-shaped clamp plate close to the outer side and reaches the inner end of the adjusting groove, a hand wheel is fixedly sleeved at the top end of the adjusting screw, an upper end pipe body of the adjusting screw is rotatably connected into the L-shaped clamp plate, a lower end pipe body penetrates through the center of the slider, the bottom end of the adjusting screw is in threaded connection with the slider, and the upper pressing wheel structure is connected to the lower end face of the L-shaped clamp plate close to the inner side;

the structure of second anchor clamps is the same with first anchor clamps structure, and is based on support central symmetry, first mounting groove and second mounting groove have been seted up by upper end department to the L type splint inside wall of second anchor clamps, the fixed first pressure sensors that is provided with in inner of first mounting groove, the fixed second pressure sensors that is provided with in inner of second mounting groove, be provided with two rubber heads on the inside wall of rubber pad, and two rubber heads lead to respectively to two mounting grooves inner.

Preferably, the lower ends of the two sides of the support are both fixedly provided with bottom plates, and the plate body of each bottom plate is provided with a plurality of positioning holes.

Preferably, a supporting plate is fixedly connected between the front wall and the rear wall of the center of the movable groove close to the top end, and the upper end face of the supporting plate is flush with the upper end face of the support.

Preferably, the front wall and the rear wall of the sliding block are both provided with sliding strips, and the front wall and the rear wall of the adjusting groove are provided with sliding grooves matched with the sliding strips.

Preferably, a protective shell is arranged outside the motor and the first gear, and the protective shell is fixedly connected to the side wall of the support.

Preferably, go up the pinch roller structure and include pulley, mounting panel, main gag lever post and two supplementary gag lever posts, the lower extreme fixed connection of main gag lever post and two supplementary gag lever posts runs through mounting panel and L type splint top in proper order in the top of pulley, mounting panel fixed connection is in L type splint bottom, is located main gag lever post outer end cover between mounting panel and the pulley is equipped with pressure spring.

Preferably, the top ends of the main limiting rod and the two auxiliary limiting rods are fixedly connected with baffle plates.

Preferably, a controller is fixedly arranged at the top end of the support close to the motor, and the controller is electrically connected with the first pressure sensor, the second pressure sensor and the motor respectively.

The working principle is as follows: when the clamp is moved to a workpiece, an upper pressing wheel structure firstly contacts with the workpiece, the pulley moves upwards under the action of pressure until the bottom end of the pulley contacts with the upper end face of the workpiece, and the pulley is pressed tightly at the upper end of a plate-shaped workpiece under the action of a pressing spring to clamp the upper side of the workpiece;

when the main part of two anchor clamps began with slabby work piece both sides contact, the rubber pad began to be compressed, when the rubber pad compressed to a certain extent, the rubber head and the contact of first pressure sensors of rubber pad rear end, the inductor sends signal to the controller, controller control motor slows down, two anchor clamps slowly inwards press from both sides tightly this moment, when the rubber pad compressed to contact with second pressure sensors, second pressure sensors sends signal to the controller, controller control motor stops, two anchor clamps just press from both sides the work piece completely this moment, alright on next step machining has been carried out.

(III) advantageous effects

The invention provides a quick pressing device for mechanical manufacturing equipment. The method has the following beneficial effects:

1. the two pressure sensors are arranged in the clamp of the pressing device, the two pressure sensors can sequentially contact the rubber pad and then start in the process of clamping a workpiece by the clamp, the motor can be decelerated through the controller when the first pressure sensor is started, the motor can be turned off through the controller when the second pressure sensor is started, the workpiece can be ensured to be just clamped by the clamp, the plate-shaped workpiece can be automatically and quickly clamped through the device without manual control, and meanwhile, the workpiece can not be clamped by the clamp.

2. The clamp of the pressing device designed by the invention is arranged into an L-shaped plate shape, the lower side of the top end of the clamping plate is provided with the pulley with the spring, the pulley structure can tightly press and fix the upper end of the workpiece under the acting force of the spring in the process of tightly pressing and fixing the workpiece, and meanwhile, the height of the clamp can be adjusted through the adjusting screw rod, so that the plate-shaped workpieces with different thicknesses can be clamped.

3. The pressing device designed by the invention is convenient to use, does not need manual adjustment when pressing the workpiece, can automatically press and fix the workpiece, is convenient and safe, does not need to add an independent power source for control when pressing the top of the workpiece, and only needs to adjust the clamp to the corresponding height.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a front cross-sectional view of the structure of the present invention;

FIG. 4 is a perspective view of a first clamp configuration of the present invention;

FIG. 5 is a side view of a first clamp configuration of the present invention;

FIG. 6 is a cross-sectional view of an L-shaped cleat of a second clamp of the present invention;

fig. 7 is an enlarged schematic view of a point a in fig. 3.

Wherein, 1, a bracket; 2. a base plate; 3. a movable groove; 4. a support plate; 5. a first clamp; 6. a second clamp; 7. a slide bar; 8. a bidirectional screw rod; 9. a first gear; 10. a motor; 11. a second gear; 12. a protective shell; 13. a slider; 14. an L-shaped splint; 15. an adjustment groove; 16. a sealing plate; 17. a chute; 18. a rubber pad; 19. adjusting the screw rod; 20. a hand wheel; 21. an upper pinch roller structure; 22. a pulley; 23. mounting a plate; 24. a main limiting rod; 25. an auxiliary limit rod; 26. a compression spring; 27. a first mounting groove; 28. a first pressure sensor; 29. a second mounting groove; 30. a second pressure sensor; 31. and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in figures 1-7, the embodiment of the invention provides a rapid pressing device for machine manufacturing equipment, which comprises a bracket 1, wherein the lower ends of two sides of the bracket 1 are fixedly provided with a bottom plate 2, the plate body of the bottom plate 2 is provided with a plurality of positioning holes, the device is convenient to install and fix on a horizontal plane, the upper end surface of the bracket 1 close to the center is provided with a movable groove 3, a supporting plate 4 is fixedly connected between the front wall and the rear wall of the center close to the top end of the movable groove 3, the upper end surface of the supporting plate 4 is flush with the upper end surface of the bracket 1, the design can ensure that a workpiece to be processed can be stably placed on the bracket 1, the inner end of the movable groove 3 is provided with a sliding rod 7 and a bidirectional screw rod 8, the two ends of the sliding rod 7 are respectively and fixedly connected on the side walls of the movable groove 3, one end of the bidirectional screw rod 8 is rotatably connected on one side wall of the movable groove 3, the other end penetrates through the other side wall of the movable groove 3 to the outer side wall of the bracket 1, the outer end of a bidirectional screw 8 is fixedly sleeved with a first gear 9, the outer wall of a bracket 1 close to the first gear 9 is fixedly provided with a motor 10, the output shaft of the motor 10 is fixedly sleeved with a second gear 11, the second gear 11 is meshed with the first gear 9, the outer sides of the motor 10 and the first gear 9 are provided with a protective shell 12, the protective shell 12 is fixedly connected on the side wall of the bracket 1, the protective shell 12 can protect the motor and the gear, the outer sides of the two ends of the bidirectional screw 8 are both in threaded sleeve connection with sliding blocks 13, pipe bodies at the two ends of a sliding rod 7 respectively penetrate through the two sliding blocks 13, the two sides of the inner end of a movable groove 3 are respectively provided with a first clamp 5 and a second clamp 6, the first clamp 5 and the second clamp 6 are respectively sleeved on the outer ends of the two sliding blocks 13, the motor 10 drives the bidirectional screw 8 to rotate when in work, the bidirectional screw 8 can drive the two sliding blocks 13 to move towards or away from each other on the bidirectional screw 8, and the two clamps are driven by the same cloth to clamp or loosen.

The first clamp 5 comprises an L-shaped clamp plate 14, an adjusting screw rod 19, an upper pinch roller structure 21, a rubber pad 18 and a sealing plate 16, an adjusting groove 15 is formed in the center of the L-shaped clamp plate 14 close to a lower end plate body, the sealing plate 16 is fixedly connected to the bottom end of the L-shaped clamp plate 14 through a bolt, the clamp can be detached from the device after the sealing plate 16 is detached, maintenance and cleaning are facilitated, a sliding block 13 slides at the inner end of the adjusting groove 15 in a matched mode, sliding strips are arranged on the front wall and the rear wall of the sliding block 13, a sliding groove 17 matched with the sliding strips is formed in the front wall and the rear wall of the adjusting groove 15, the L-shaped clamp plate 14 can stably move up and down at the outer end of the sliding block 13 through the matching of the sliding groove 17 and the sliding strips, the rubber pad 18 is fixedly connected to the inner side wall of the L-shaped clamp plate 14, the lower end of the adjusting screw rod 19 penetrates through the top end of the L-shaped clamp plate 14 close to the outer side and reaches the inner end of the adjusting groove 15, a hand wheel 20 is fixedly arranged at the top end of the adjusting screw rod 19, the upper end shaft of adjusting screw 19 rotates to be connected in L type splint 14, and lower extreme shaft runs through slider 13 center, and 19 bottoms of adjusting screw and 13 threaded connection of slider, rotates adjusting screw 19 and can produce relative movement with slider 13 to drive L type splint 14 and reciprocate in slider 13 outer end, adjust L type splint 14's height.

The upper pinch roller structure 21 is connected to the lower end face, close to the inner side, of the L-shaped clamping plate 14, the upper pinch roller structure 21 comprises a pulley 22, a mounting plate 23, a main limiting rod 24 and two auxiliary limiting rods 25, the lower ends of the main limiting rod 24 and the two auxiliary limiting rods 25 are fixedly connected to the top of the pulley 22, the upper ends of the main limiting rod 24 and the two auxiliary limiting rods 25 sequentially penetrate through the tops of the mounting plate 23 and the L-shaped clamping plate 14, the mounting plate 23 is fixedly connected to the bottom end of the L-shaped clamping plate 14, a compression spring 26 is sleeved at the outer end of the main limiting rod 24 between the mounting plate 23 and the pulley 22, baffles are fixedly connected to the top ends of the main limiting rod 24 and the two auxiliary limiting rods 25, when a workpiece is clamped, the height of a clamp is adjusted to be 10-15mm lower end face of the pulley 22 than the upper end face of the workpiece, when the clamp moves onto the workpiece, the upper pinch roller structure 21 is firstly contacted with the workpiece in the clamping process, at the moment, the pulley 22 moves upwards under the action of pressure, until the bottom end of the pulley 22 contacts with the upper end face of the workpiece, the pulley 22 is pressed on the upper end of the plate-shaped workpiece under the action of the pressing spring 26 to clamp the upper side of the workpiece.

The structure of second anchor clamps 6 is the same with first anchor clamps 5 structure, and based on support 1 central symmetry, first mounting groove 27 and second mounting groove 29 have been seted up to the L type splint 14 inside wall of second anchor clamps 6 near upper end department, the fixed first pressure sensors 28 that are provided with in inner of first mounting groove 27, the fixed second pressure sensors 30 that are provided with in inner of second mounting groove 29, be provided with two rubber heads on the inside wall of rubber pad 18, and two rubber heads lead to respectively to two mounting grooves inner.

The top end of the bracket 1 is fixedly provided with a controller 31 close to the motor 10, the controller 31 is respectively electrically connected with the first pressure sensor 28, the second pressure sensor 30 and the motor 10, in the process of clamping the workpiece by the two clamps, the rubber pad 18 on the second clamp 6 is compressed, when the rubber pad 18 is compressed to a certain degree, the rubber head at the rear end of the rubber pad 18 is in contact with the first pressure sensor 28, the sensor sends a signal to the controller 31, the controller 31 controls the motor 10 to decelerate, at the moment, the two clamps are slowly clamped inwards, when the rubber pad 18 is compressed to be in contact with the second pressure sensor 30, the second pressure sensor 30 sends a signal to the controller 31, the controller 31 controls the motor 10 to stop, and at the moment, the two clamps just completely clamp the workpiece.

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 device for machine-building equipment, includes support (1), its characterized in that: the upper end face of the support (1) is provided with a movable groove (3) by the center, the inner end of the movable groove (3) is provided with a slide rod (7) and a bidirectional screw rod (8), the two ends of the slide rod (7) are respectively and fixedly connected to the side walls of the movable groove (3), one end of the bidirectional screw rod (8) is rotatably connected to one side wall of the movable groove (3), the other end of the bidirectional screw rod penetrates through the other side wall of the movable groove (3) and is communicated to the outer side of the support (1), the outer end of the bidirectional screw rod (8) is fixedly sleeved with a first gear (9), a motor (10) is fixedly arranged on the outer wall of the support (1) close to the first gear (9), a second gear (11) is fixedly sleeved on an output shaft of the motor (10), the second gear (11) is meshed with the first gear (9), a sliding block (13) is sleeved on the outer side of the two ends of the bidirectional screw rod (8) in a threaded manner, two end pipe bodies of the sliding rod (7) respectively penetrate through the two sliding blocks (13), two sides of the inner end of the movable groove (3) are respectively provided with a first clamp (5) and a second clamp (6), and the first clamp (5) and the second clamp (6) are respectively sleeved at the outer ends of the two sliding blocks (13);

first anchor clamps (5) include L type splint (14), adjusting screw (19), go up pinch roller structure (21), rubber pad (18), seal board (16), the center of L type splint (14) leans on lower extreme plate body to have seted up adjustment tank (15), seal board (16) through bolt fixed connection in L type splint (14) bottom, slider (13) cooperation slides in adjustment tank (15) inner, rubber pad (18) fixed connection is on the inside wall of L type splint (14), the lower extreme of adjusting screw (19) runs through L type splint (14) top center and leans on the outside and lead to adjustment tank (15) inner, the fixed cover in top of adjusting screw (19) is equipped with hand wheel (20), the upper end shaft of adjusting screw (19) rotates to be connected in L type splint (14), and lower extreme shaft runs through slider (13) center, the bottom end of the adjusting screw rod (19) is in threaded connection with the sliding block (13), and the upper pinch roller structure (21) is connected to the lower end face of the L-shaped clamping plate (14) close to the inner side;

the structure of second anchor clamps (6) is the same with first anchor clamps (5) structure, and is based on support (1) central symmetry, first mounting groove (27) and second mounting groove (29) have been seted up by upper end department to L type splint (14) inside wall of second anchor clamps (6), the fixed first pressure sensors (28) that are provided with in inner of first mounting groove (27), the fixed second pressure sensors (30) that are provided with in inner of second mounting groove (29), be provided with two rubber heads on the inside wall of rubber pad (18), and two rubber heads lead to respectively to two mounting grooves inner.

2. The rapid pressing device for machine manufacturing equipment according to claim 1, wherein: the lower ends of the two sides of the support (1) are fixedly provided with bottom plates (2), and a plurality of positioning holes are formed in the plate body of each bottom plate (2).

3. The rapid pressing device for machine manufacturing equipment according to claim 1, wherein: the center of the movable groove (3) is fixedly connected with a supporting plate (4) between the front wall and the rear wall close to the top end, and the upper end face of the supporting plate (4) is flush with the upper end face of the support (1).

4. The rapid pressing device for machine manufacturing equipment according to claim 1, wherein: all be provided with the draw runner on the preceding back wall of slider (13), set up spout (17) with the draw runner matching on the preceding back wall of adjustment tank (15).

5. The rapid pressing device for machine manufacturing equipment according to claim 1, wherein: the motor (10) and the first gear (9) are provided with a protective shell (12) on the outer side, and the protective shell (12) is fixedly connected to the side wall of the support (1).

6. The rapid pressing device for machine manufacturing equipment according to claim 1, wherein: go up pinch roller structure (21) and include pulley (22), mounting panel (23), main gag lever post (24) and two supplementary gag lever posts (25), the lower extreme fixed connection of main gag lever post (24) and two supplementary gag lever posts (25) runs through mounting panel (23) and L type splint (14) top in proper order at the top of pulley (22) in the upper end, mounting panel (23) fixed connection is in L type splint (14) bottom, is located main gag lever post (24) outer end cover between mounting panel (23) and pulley (22) is equipped with pressure spring (26).

7. The rapid pressing device for machine manufacturing equipment according to claim 6, wherein: the top ends of the main limiting rod (24) and the two auxiliary limiting rods (25) are fixedly connected with baffle plates.

8. The rapid pressing device for machine manufacturing equipment according to claim 1, wherein: the controller (31) is fixedly arranged at the top end of the support (1) close to the motor (10), and the controller (31) is electrically connected with the first pressure sensor (28), the second pressure sensor (30) and the motor (10) respectively.