CN218284641U

CN218284641U - Clamping equipment for precision machining

Info

Publication number: CN218284641U
Application number: CN202222999127.1U
Authority: CN
Inventors: 许满兰
Original assignee: Individual
Current assignee: Suzhou Luteng Precision Technology Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-01-13
Anticipated expiration: 2032-11-10

Abstract

The utility model relates to a precision machining is with centre gripping equipment, include the base, place board and grip block, the shifting chute has all been seted up in the both sides department that the upper surface of base is located the board of placing, the equal activity in the shifting chute is provided with the carriage release lever, the one end that the carriage release lever wore out the shifting chute upper surface is connected with the riser, two all fixedly on the relative side of riser is provided with the fixing base, two the slot internalization of the relative one side of fixing base is provided with the inserted bar, two the one end that the fixing base was kept away from to the inserted bar is connected with two grip blocks respectively, the both ends department of slide bar all overlaps there is the connecting rod, two the bottom of carriage release lever is connected respectively on two connecting rods, utilizes the removal of thread section of thick bamboo on the threaded rod, drives two connecting rods and is close to each other in logical inslot, and then drives two carriage release levers and remove the same distance in the shifting chute, makes two grip blocks close to each other, carries out centering centre gripping to the work piece on placing the board fixed.

Description

Clamping equipment for precision machining

Technical Field

The application relates to the technical field of precision machining, in particular to clamping equipment for precision machining.

Background

Precision machining is a process of changing the overall dimension or performance of a workpiece by using a machining machine, and in order to prevent the workpiece from stably keeping a fixed angle or a fixed position when the overall dimension or the performance of the workpiece is changed, clamping equipment is generally adopted to fix the workpiece, so that the problems of deviation or falling of the workpiece and the like during operations such as friction or cutting of the workpiece are guaranteed;

at present, a clamping device for precision machining is disclosed in a utility model with the patent number CN216371148U, wherein a motor is fixedly installed at the left and right ends inside an outer shell, a first threaded shaft is rotatably installed at the right end of the motor, a supporting plate is fixedly installed at the right end of the first threaded shaft, a first chute is formed in the inner wall of the bottom of the outer shell, a sliding table is slidably installed in the first chute, a threaded hole is formed in the installation position of the sliding table and the first threaded shaft, so that the sliding table is in threaded installation with the first threaded shaft, a second chute is formed in the sliding table, a sliding plate is slidably installed inside the second chute, a clamping plate is fixedly installed on the inner side surface of the sliding plate, the first threaded shaft is driven by the motor to rotate, the sliding table is driven by the first threaded shaft to slide in the first chute, and the sliding table is driven by the sliding table to slide inwards, so that the clamping plate clamps a workpiece tightly;

this equipment is at the in-process of in-service use, drives two motors respectively and drives two first threaded spindle rotations, then drives the inboard grip block of two sliding plates respectively and is close to each other and carry out the centre gripping fixed to the work piece, and inconvenient carries out accurate centering location to it, consequently remains to improve.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems proposed in the background art described above, the present application provides a clamping apparatus for precision machining.

The application provides a precision machining uses centre gripping equipment adopts following technical scheme:

the utility model provides a centre gripping equipment for precision machining, includes the base, places board and grip block, the centre department of base upper surface is provided with places the board, the top of base is located the left and right sides department of placing the board and all is provided with the grip block, the upper surface of base is located the both sides department of placing the board and has all seted up the shifting chute, the equal activity in the shifting chute is provided with the carriage release lever, the one end that the carriage release lever wore out the shifting chute upper surface is connected with the riser, two all fixedly on the relative side of riser is provided with the fixing base, two the slot internalization of the relative one side of fixing base is provided with the inserted bar, two the one end that the fixing base was kept away from to the inserted bar is connected with two grip blocks respectively, the base internal fixation is provided with the slide bar, the both ends department of slide bar all overlaps there is the connecting rod, two the bottom of movable bar is connected respectively on two connecting rods.

Preferably, be provided with two fixed plates on the base leading flank, two it is provided with the threaded rod to rotate between the fixed plate, the both ends department of threaded rod all overlaps and has a screw thread section of thick bamboo, the cross slot has been seted up on the leading flank of base, two the one end that the cross slot was worn out to the connecting rod is connected respectively on two screw thread sections of thick bamboos.

Preferably, a worm wheel is sleeved in the middle of the threaded rod, transverse plates are arranged at the upper end and the lower end of the transverse groove on the front side face of the base, a worm is rotatably arranged between the two transverse plates, and the worm is meshed with the worm wheel.

Preferably, two limiting rods are arranged on one side face, opposite to the fixing plate, and the two limiting rods respectively movably penetrate through the two moving rods.

Preferably, the clamping grooves are formed in the two sides of the inserting rod, the inserting holes are formed in the outer walls of the two sides of the fixing seat, the clamping rods are movably arranged in the inserting holes, and one ends, located in the fixing seat, of the clamping rods are inserted into the clamping grooves.

Preferably, the clamping rod is sleeved with a spring, and two ends of the spring are connected to the end of the clamping rod and the outer wall of the fixing seat respectively.

Preferably, the two sides of one end of the inserted bar, which is far away from the clamping plate, are both provided with inclined planes.

To sum up, the application comprises the following beneficial technical effects:

1. the utility model discloses a shifting chute activity that sets up on the base upper surface is provided with the carriage release lever, the one end that the carriage release lever wore out the shifting chute upper surface is connected with the riser, one side that two risers are close to each other is provided with the grip block, the leading flank of base rotates and is provided with the threaded rod, both ends department of threaded rod all overlaps and has the screw thread section of thick bamboo, all be connected with the connecting rod on two screw thread sections of thick bamboo, the one end that two connecting rods passed the cross slot slides respectively and sets up on the slide bar, the bottom of two carriage release levers is connected respectively on two connecting rods, through the rotation of threaded rod, utilize the movement of screw thread section of thick bamboo on the threaded rod, drive two connecting rods and be close to each other in the logical groove, and then drive two carriage release levers and move the same distance in the shifting chute, make two grip blocks mutually close, come to the centering centre gripping of the work piece on placing the board and fix;

2. all fixedly on the relative side of two risers, the activity is provided with the kelly in the jack on the outer wall of fixing base both sides, the draw-in groove has all been seted up to the inserted bar both sides, the kelly is arranged in the one end of fixing base and inserts in the draw-in groove, utilize kelly one end to insert in the draw-in groove of inserted bar both sides, realize fixing between inserted bar and the fixing base, also be convenient for pull out the inserted bar from the inside of fixing base simultaneously, when the shape of work piece is different, be convenient for change the grip block corresponding with the work piece shape, better carry out the centre gripping to the work piece.

Drawings

FIG. 1 is a schematic structural view of a precision machining clamping apparatus according to an embodiment of the present application;

FIG. 2 is a sectional view showing the structure of a holding apparatus for precision machining in the embodiment of the present application;

FIG. 3 is a sectional view of an assembly of the insert rod and the fixing seat of the clamping device for precision machining according to the embodiment of the present application;

fig. 4 is an enlarged view of a structure at a of a precision machining clamping apparatus in an embodiment of the present application.

Description of reference numerals: 1. a base; 2. placing the plate; 3. a clamping plate; 4. a moving groove; 5. a travel bar; 6. a vertical plate; 7. a fixed seat; 8. inserting a rod; 9. a fixing plate; 10. a threaded rod; 11. a worm gear; 12. a transverse groove; 13. a connecting rod; 14. a threaded barrel; 15. a limiting rod; 16. a slide bar; 17. a clamping rod; 18. a card slot; 19. a spring; 20. a bevel; 21. a jack; 22. a worm.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses precision machining uses centre gripping equipment. Referring to fig. 1-4, a clamping device for precision machining comprises a base 1, a placing plate 2 and a clamping plate 3, wherein the placing plate 2 is fixedly arranged in the middle of the upper surface of the base 1, a rubber pad is arranged on the placing plate 2, the clamping plates 3 are arranged above the base 1 and positioned at the left and right sides of the placing plate 2, the rubber pads are arranged on the opposite sides of the two clamping plates 3, moving grooves 4 are respectively formed in the two sides of the upper surface of the base 1 positioned at the placing plate 2, moving rods 5 are movably arranged in the moving grooves 4, one ends of the moving rods 5 penetrating out of the upper surface of the moving grooves 4 are connected with vertical plates 6, fixed seats 7 are respectively fixedly arranged on the opposite sides of the two vertical plates 6, inserting rods 8 are movably arranged in the slots at the opposite sides of the two fixed seats 7, one ends of the two inserting rods 8 far away from the fixed seats 7 are respectively connected with the two clamping plates 3, a sliding rod 16 is fixedly arranged in the base 1, the two ends of the sliding rod 16 are sleeved with connecting rods 13, the two connecting rods 13 are respectively provided with round holes through which the sliding rod 16 passes, the bottoms of the two moving rods 5 are respectively connected to the two connecting rods 13, the moving rods 5 are driven to move in the moving grooves 4 by the same distance by utilizing the sliding of the two connecting rods 13 on the sliding rod 16, so as to drive the two clamping plates 3 to mutually approach, thereby facilitating the centering, clamping and fixing of workpieces on the placing plate 2, the front side surface of the base 1 is provided with two fixing plates 9, a threaded rod 10 is rotatably arranged between the two fixing plates 9, the directions of threads on the two sides of the threaded rod 10 are opposite, the two ends of the threaded rod 10 are sleeved with threaded cylinders 14, the inner wall of the threaded cylinder 14 is provided with threads, the front side surface of the base 1 is provided with transverse grooves 12, and the ends of the two connecting rods 13 penetrating through the transverse grooves 12 are respectively connected to the two threaded cylinders 14, the threaded rod 10 rotates on the two fixing plates 9, the threaded barrel 14 is driven to move on the threaded rod 10 to drive the two connecting rods 13 to be close to each other in the transverse groove 12, and further the two clamping plates 3 above the base 1 are driven to be close to each other, the worm wheel 11 is sleeved at the middle of the threaded rod 10 in a fixed mode, transverse plates are arranged at the upper end and the lower end of the transverse groove 12 on the front side face of the base 1, a worm 22 is arranged between the two transverse plates in a rotating mode, the worm 22 is meshed with the worm wheel 11 and connected with the worm 22 in a rotating mode, the worm 22 drives the worm wheel 11 to rotate, the threaded barrel 10 is driven by the rotating worm wheel 11 to achieve the rotating function on the two fixing plates 9, limiting rods 15 are arranged on the opposite side faces of the two fixing plates 9, the two limiting rods 15 respectively movably penetrate through the two moving rods 5, through holes through which the limiting rods 15 penetrate are formed in the connecting rods 13, the limiting rods 15 move on the connecting rod 13 when the threaded rod 10 rotates, the limiting rod 14 can achieve the limiting effect on the movement of the threaded barrel 14, and the smooth movement of the threaded barrel 10, and further achieve better centering of a workpiece.

Referring to fig. 1-3, the two sides of the insert rod 8 are both provided with a clamping groove 18, the outer walls of the two sides of the fixing seat 7 are both provided with a jack 21, a clamping rod 17 is movably arranged in the jack 21, one end of the clamping rod 17, which is positioned in the fixing seat 7, is inserted into the clamping groove 18, one end of the clamping rod 17 is inserted into the clamping grooves 18 of the two sides of the insert rod 8, so as to fix the insert rod 8 and the fixing seat 7, and simultaneously, the insert rod 8 is conveniently pulled out from the inside of the fixing seat 7, when the shape of the workpiece is different, the clamping plate 3 corresponding to the shape of the workpiece is convenient to replace, the workpiece is better clamped, the clamping rod 17 is sleeved with a spring 19, two ends of the spring 19 are respectively connected to the end of the clamping rod 17 and the outer wall of the fixing seat 7, under the elastic force of the spring 19, one end of the clamping rod 17 is driven to be tightly inserted into the clamping groove 18, the insert rod 8 is better fixed, two sides of one end of the insert rod 8, which is far away from the clamping plate 3, are both arranged as inclined planes 20, when the insert rod 8 into the fixing seat, and the insert the fixing seat, and extrude the insert rod 7, and extrude one side of the insert rod 8 toward the fixing seat.

The implementation principle of the clamping equipment for precision machining in the embodiment of the application is as follows: firstly, a workpiece to be processed is placed on a placing plate 2, then a worm 22 is rotated, the rotated worm 22 drives a worm wheel 11 to rotate, the worm wheel 11 drives a threaded rod 10 to rotate between two fixing plates 9, two connecting rods 13 are driven to mutually approach in a transverse groove 12 by utilizing the movement of a threaded cylinder 14 on the threaded rod 10, and then two moving rods 5 are driven to mutually approach and move for the same distance in a moving groove 4, the two moving rods 5 respectively drive two vertical plates 6 at the top end to mutually approach on the upper surface of a base 1, so that the two clamping plates 3 mutually approach to each other, so as to center, clamp and fix the workpiece to be processed on the placing plate 2, when the clamping plates 3 need to be replaced, clamping rods 17 on the outer walls on the two sides of the fixing seat 7 are outwards pulled, one end of each clamping rod 17 is separated from clamping grooves 18 on the two sides of the inserting rods 8, then the inserting rods 8 are pulled out from the fixing seat 7, the clamping plates 3 are replaced, then the inserting rods 8 on one side of the replacing clamping plates 3 are inserted into the clamping grooves 7, when the inserting rods 8 are inwards moved, when the inserting rods 8 move, the clamping rods 8 move, and the clamping rods can be better, and the clamping rods can be inserted into the clamping grooves 18, and the clamping rods, and the clamping effect of the clamping rods can be better, and the clamping effect can be better when the clamping rods 8 is achieved, and the clamping rods can be better.

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. The utility model provides a precision clamping equipment for machining, includes base (1), places board (2) and grip block (3), the department is provided with in the middle of base (1) upper surface and places board (2), the top of base (1) is located the left and right sides department of placing board (2) and all is provided with grip block (3), its characterized in that: the utility model discloses a fixing device for the elevator car, including base (1), removal groove (4) have all been seted up in the both sides department that the upper surface of base (1) is located places board (2), all the activity is provided with carriage release lever (5) in removal groove (4), the one end that carriage release lever (5) wore out removal groove (4) upper surface is connected with riser (6), two all fixed fixing is provided with fixing base (7), two on the relative side of riser (6) the slot internalization of the relative one side of fixing base (7) is provided with inserted bar (8), two the one end that fixing base (7) were kept away from in inserted bar (8) is connected with two grip blocks (3) respectively, base (1) internal fixation is provided with slide bar (16), the both ends department of slide bar (16) all overlaps there are connecting rod (13), two the bottom of carriage release lever (5) is connected respectively on two connecting rod (13).

2. A holding apparatus for precision machining according to claim 1, characterized in that: be provided with two fixed plates (9) on base (1) leading flank, two it is provided with threaded rod (10) to rotate between fixed plate (9), the both ends department of threaded rod (10) all overlaps has threaded cylinder (14), transverse groove (12) have been seted up on the leading flank of base (1), two the one end that transverse groove (12) were worn out in connecting rod (13) is connected respectively on two threaded cylinder (14).

3. A holding apparatus for precision machining according to claim 2, characterized in that: the middle of the threaded rod (10) is sleeved with a worm wheel (11), transverse plates are arranged at the upper end and the lower end of the transverse groove (12) on the front side face of the base (1), a worm (22) is arranged between the transverse plates in a rotating mode, and the worm (22) is meshed with the worm wheel (11) and connected with the worm wheel.

4. A holding apparatus for precision machining according to claim 2, characterized in that: two be provided with gag lever post (15) on the relative side of fixed plate (9), two gag lever post (15) activity respectively passes two carriage release levers (5).

5. A holding apparatus for precision machining according to claim 1, characterized in that: draw-in groove (18) have all been seted up to the both sides of inserted bar (8), jack (21) have all been seted up on the both sides outer wall of fixing base (7), all the activity is provided with kelly (17) in jack (21), kelly (17) are located the one end of fixing base (7) and insert in draw-in groove (18).

6. The clamping apparatus for precision machining according to claim 5, characterized in that: the cover has spring (19) on kelly (17), the both ends of spring (19) are connected respectively on the tip of kelly (17) and the outer wall of fixing base (7).

7. The clamping apparatus for precision machining according to claim 5, characterized in that: the two sides of one end of the inserted rod (8) far away from the clamping plate (3) are both provided with inclined planes (20).