CN218613432U

CN218613432U - Grinding machine clamping device

Info

Publication number: CN218613432U
Application number: CN202221242582.0U
Authority: CN
Inventors: 林斌; 姜贺; 李潇阳; 伍昌洪
Original assignee: Helin Ningbo Sewing Machinery Co ltd
Current assignee: Helin Ningbo Sewing Machinery Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2023-03-14
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to an anchor clamps field discloses a grinding machine clamping device, can carry out the centre gripping location cooperation with the work piece that has the hole class, clamping device includes the fixing base, slide and set up the clamp plate that is used for the centre gripping object on the fixing base and order about the drive assembly one that the clamp plate removed, can slide in the fixing base and be provided with can with work piece hole location complex locating lever and order about the drive assembly two that the locating lever removed, when the work piece is located between clamp plate and the fixing base, drive assembly one can order about the clamp plate and remove and carry out the centre gripping setting to the work piece, when the locating lever is controlled by drive assembly two and removes and set up with the hole cooperation of work piece, the hole and the locating lever the central axis coincidence of work piece set up, thereby accomplish the clamp tight and the positioning action to the work piece.

Description

Grinding machine clamping device

Technical Field

The utility model relates to an anchor clamps field especially relates to a grinding machine clamping device.

Background

The connecting rod is long strip, and the connecting rod both ends are provided with two round holes respectively, need polish and polish the hole at connecting rod both ends, and the grinding machine equipment in the current market needs manual clamping to polish after aiming at, if when manual clamping, when the bistrique of the not alignment grinding head of grinding machine in the centre of a circle in the hole of connecting rod, relatively poor to the polishing effect in connecting rod hole appears eccentrically easily to make the work piece appear the wastrel.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the comparatively difficult shortcoming in the manual work piece centre of a circle of aiming at prior art, provide a grinding machine clamping device.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve: a grinding machine clamping device can be matched with a workpiece with holes in a clamping and positioning mode, the clamping device comprises a fixing seat, a pressing plate and a first driving assembly, the pressing plate is arranged on the fixing seat in a sliding mode and used for clamping objects, the first driving assembly is used for driving the pressing plate to move, a first positioning rod can be arranged in the fixing seat in a sliding mode and matched with the holes of the workpiece in a positioning mode, the second driving assembly is used for driving the positioning rod to move and driving the positioning rod to move, when the workpiece is located between the pressing plate and the fixing seat, the first driving assembly can drive the pressing plate to move to clamp the workpiece, and when the positioning rod is controlled by the second driving assembly to move and is matched with the holes of the workpiece in a setting mode, the holes of the workpiece are overlapped with the central axis of the positioning rod.

Adopt above-mentioned scheme, drive assembly one can order about the clamp plate and remove, the work piece can set up between clamp plate and fixing base, carry out the centre gripping to the work piece through drive assembly two and clamp plate cooperation, drive assembly two can order about the locating lever and remove, can order about the hole cooperation setting of locating lever and work piece, when both cooperate, but both the central axis coincidence sets up, thereby the completion is to the tight and work piece round hole's of clamp of work piece location, the bistrique of the grinding machine of being convenient for gets into the downthehole of work piece, the setting of polishing is carried out to the hole of work piece.

Preferably, the driving assembly comprises a pull shaft, a push-pull rod controlled by the pull shaft to move and a first translation driver driving the pull shaft to move, the push-pull rod is in sliding fit with the fixed seat, the pressing plate is connected with the push-pull rod, when the first translation driver drives the pressing plate to move in the direction away from the fixed seat through the pull rod, the workpiece can be separated from the pressing plate or driven to enter the space between the pressing plate and the fixed seat, and when the first translation driver drives the pressing plate to move in the direction towards the fixed seat, the pressing plate can clamp the workpiece between the pressing plate and the fixed seat.

Adopt above-mentioned scheme, when translation driver one orders about the clamp plate and is keeping away from the fixing base direction and remove, the clamp plate does not form the extrusion force to the work piece that is located between clamp plate and the fixing base, and the work piece can break away from with clamping device, and can get into between clamp plate and the fixing base with the work piece of circle in the unprocessed, translation driver one orders about the clamp plate and removes towards the fixing base direction to order about the clamp plate and form the extrusion to accomplish the clamp to the work piece and press from both sides tightly.

Preferably, a positioning sleeve matched with the positioning rod is arranged in the fixing seat, and the positioning rod is in sliding fit with the positioning sleeve.

By adopting the scheme, the positioning sleeve can be used for accurately positioning the positioning rod.

As the preferred, the locating hole has been seted up to the axis of pulling, and locating lever one end slides the cooperation setting with the locating hole, and the locating lever both ends can slide the cooperation setting with locating sleeve and locating hole respectively.

By adopting the scheme, the positioning holes are matched with the positioning sleeves to ensure the positioning at two ends of the positioning rod, and the sliding stability of two ends of the positioning rod is ensured.

Preferably, the elastic piece is arranged on the positioning rod in a sleeved mode, the positioning rod is provided with a supporting piece abutted to the elastic piece, two ends of the elastic piece are respectively matched with the supporting piece and the positioning sleeve, and the elastic piece can drive the positioning rod to move in a direction away from the workpiece.

By adopting the scheme, the elastic piece is used for resetting the positioning rod.

Preferably, the second driving assembly comprises a pushing block and a second translation driver for driving the pushing block to move, the pushing block extends out of the fixing seat, the fixing seat is provided with a guide sliding groove for sliding of the pushing block, and the pushing block is connected with the positioning rod.

By adopting the scheme, the second driving assembly is simple in structure and is convenient for driving the positioning rod to move.

Preferably, the second driving assembly further comprises a shifting block used for shifting the pushing block, the shifting block is provided with two abutting sections which are respectively located on two sides of the shifting block, when the second translation driver does not drive the pushing block to move, the two abutting sections are arranged at intervals with the shifting block, the second translation driver moves, and the shifting block can drive the pushing block and the positioning rod to move along the axis direction.

By adopting the scheme, the positioning rod can be driven to move along the axis direction through the second translation driver.

Preferably, the fixing seat is provided with a limiting block for limiting the excessive movement of the workpiece, and the limiting block is provided with an elastic abutting piece capable of abutting against the workpiece.

By adopting the scheme, the limiting block has a limiting effect, and the elastic abutting piece has the functions of workpiece positioning and elastic buffering.

Preferably, the positioning rod is provided with a chamfer for guiding.

By adopting the scheme, the chamfer is convenient for the matching of the positioning rod and the workpiece, and is convenient for correcting the position of the workpiece.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect: the clamp plate has been seted up and has been dodged the hole with the coincidence of locating hole the central axis, and when translation driver two ordered about the locating lever removal, the locating lever can set up the hole location fit of work piece between clamp plate and the fixing base terminal surface, ordered about the central axis in work piece hole and the central axis coincidence setting of locating lever to accomplish the location in work piece hole, the bistrique of the grinding machine of being convenient for gets into the work piece hole through dodging the hole, carries out the burnishing and polishing operation to the hole of work piece.

Drawings

FIG. 1 is a diagram illustrating a holding device of a grinding machine disposed in the grinding machine in accordance with an embodiment;

FIG. 2 is a schematic view showing a state of the clamping device in the embodiment;

fig. 3 is a partial sectional view of the holding device in the embodiment.

The names of the parts indicated by the numerical references in the above figures are as follows: 1. a workpiece; 2. a fixed seat; 3. pressing a plate; 4. positioning a rod; 5. pulling the shaft; 6. a push-pull rod; 7. a translation driver I; 8. a sliding hole; 9. connecting blocks; 10. a positioning sleeve; 11. positioning holes; 12. a push block; 13. shifting blocks; 14. a second translation driver; 15. an abutment section; 16. an elastic member; 17. a resisting sheet; 18. avoiding holes; 19. a limiting block; 20. an elastic resisting block; 21. and (7) chamfering.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

The embodiment is as follows:

a grinding machine clamping device is mainly used for polishing inner rings of a workpiece 1, the clamping device is mainly used for clamping and positioning and matching the workpiece 1 with holes, the clamping device comprises a fixing seat 2, a pressing plate 3 used for clamping the workpiece 1 on the fixing seat 2, a first driving assembly for driving the pressing plate 3 to move, a positioning rod 4 which is arranged in the fixing seat 2 in a sliding mode and can be in positioning matching with the hole of the workpiece 1 and a second driving assembly for driving the positioning rod 4 to move, the first driving assembly can drive the pressing plate 3 to move, the workpiece 1 can be arranged between the pressing plate 3 and the fixing seat 2, the workpiece 1 is clamped through the matching of the second driving assembly and the pressing plate 3, the second driving assembly can drive the positioning rod 4 to move, the positioning rod 4 can be driven to be matched with the hole of the workpiece 1, and when the two are matched, central axes of the two can be superposed.

Referring to fig. 2 and 3, one end of the fixed seat 2 is in a circular column shape and is connected with a grinding machine, the pressing plate 3 is located at one end of the fixed seat 2 away from the grinding machine, one driving component comprises a pull shaft 5 connected with the grinding machine in a sliding manner, a push-pull rod 6 controlled by the pull shaft 5 to move and a first translation driver 7 driving the pull shaft 5 to move, a sliding hole 8 used for the pull shaft 5 to move along the axial direction of the grinding machine is formed in the grinding machine, a linear bearing matched with the pull shaft 5 can be arranged in the sliding hole 8, the pull shaft 5 extends out of one end of the grinding machine and then is matched with the first translation driver 7, the first translation driver 7 in the embodiment adopts an air cylinder, but not limited to the air cylinder, a standard component capable of moving linearly such as an oil cylinder, a linear module or a mechanical arm can also be adopted, the first translation driver 7 can drive the pull shaft 5 to reciprocate along the axial direction, and a connecting block 9 matched with the push-pull rod 6 is connected with the pull shaft 5 after the pull shaft 5 enters the fixed seat 2 through a thread, the moving direction of the push-pull rod 6 is parallel to the axial direction of the fixed seat 2, the central axis of the fixed seat 2 is coincident with the central axis of the pull shaft 5, the fixed seat 2 is provided with a sliding groove hole for sliding the push-pull rod 6, in the embodiment, two push-pull rods 6 are arranged in parallel and are distributed at 180 degrees relative to the pull shaft 5, two ends of each push-pull rod 6 are respectively connected with the connecting block 9 and the pressing plate 3 through screw threads, the first translation driver 7 can drive the pull shaft 5 to move to drive the connecting block 9, the push-pull rod 6 and the pressing plate 3 to move, when the first translation driver 7 drives the pressing plate 3 to move in the direction away from the fixed seat 2, the pressing plate 3 does not form extrusion force on the workpiece 1 between the pressing plate 3 and the fixed seat 2, the workpiece 1 can be separated from the clamping device, and the workpiece 1 without inner circle can enter between the pressing plate 3 and the fixed seat 2, the first translation driver 7 drives the pressure plate 3 to move towards the fixed seat 2, so that the pressure plate 3 is driven to extrude the workpiece 1 to complete clamping of the workpiece 1.

Referring to fig. 2 and 3, the inner ring of the fixing base 2 is provided with a positioning sleeve 10 in a clamping manner, the positioning sleeve 10 is matched with the positioning rod 4, one end of the pull shaft 5 is provided with a positioning hole 11, one end of the positioning rod 4 is arranged in a sliding manner, the other end of the positioning rod 4 is arranged in a sliding manner, the inner ring of the positioning sleeve 10 is arranged in a sliding manner, the driving assembly two comprises a pushing block 12 connected with the positioning rod 4, a shifting block 13 driving the pushing block 12 to move and a translation driver two 14 connected with the shifting block 13 driving the pushing block 12 to move, two groups of driving assemblies are arranged in the embodiment, the two groups of driving assemblies are symmetrically arranged, the translation driver two 14 in the embodiment adopts an air cylinder, but the air cylinder can also adopt a standard component which can linearly move, such as an oil cylinder, a linear module or a mechanical arm, and the like, the pushing block 12 is arranged in a clamping manner with the positioning rod 4, part of the pushing block 12 extends out of the fixing base 2, the fixing base 2 is provided with a guide chute for the sliding fit of the pushing block 12, the second translation driver 14 is connected to the grinding machine through screw threads, the shifting block 13 is connected to a sliding driving part of the second translation driver 14 through screw threads, the shifting block 13 is convexly provided with two abutting sections 15, the two abutting sections 15 are respectively positioned at two sides of the shifting block 13, and the abutting sections 15 at two ends are arranged at intervals with the shifting block 13, the interval arrangement has the effect that when the pull shaft 5 moves, the positioning rod 4 can be driven to move for a distance at one end, the pushing block 12 which moves synchronously with the positioning rod 4 is prevented from influencing the shifting block 13, when the second translation driver 14 drives the pushing block 12 to move through the shifting block 13, the pushing block 12 can drive the positioning rod 4 to slide along the axial direction, the fixing seat 2 is internally provided with an elastic part 16, the positioning rod 4 is provided with a butting piece 17 in a clamping manner, the elastic part 16 adopts a spring, and two ends of the elastic part 16 are respectively arranged with the butting piece 17 and the sliding positioning sleeve 10 in a sliding manner, the elastic piece 16 can drive the supporting piece 17 and the positioning rod 4 connected with the supporting piece 17 to move in a direction away from one side of the pressing plate 3, the pressing plate 3 is provided with a hole 18 coincident with the central axis of the positioning hole 11, when the translation driver II 14 drives the positioning rod 4 to move, the positioning rod 4 is driven to move towards the direction of the pressing plate 3, the positioning rod 4 can be arranged in a matched mode with the hole of the workpiece 1 between the end faces of the pressing plate 3 and the fixing seat 2, when the positioning rod 4 is driven to move away from the direction of the pressing plate 3, the positioning rod 4 can be separated from the hole of the workpiece, the central axis of the hole of the workpiece 1 is driven to be coincident with the central axis of the positioning rod 4, and therefore the positioning of the hole of the workpiece 1 is completed, a grinding head of a grinding machine can conveniently enter the inner hole of the workpiece 1 through the hole 18, and the hole of the workpiece 1 can be polished.

Referring to fig. 2, a plurality of limiting blocks 19 are arranged on the end face of the fixed seat 2 opposite to the pressing plate 3, the limiting blocks 19 can limit the moving position of the workpiece 1, elastic abutting blocks 20 are arranged on the limiting blocks 19 opposite to the entering direction of the workpiece 1, the elastic abutting blocks 20 can adopt nitrogen springs or compression bars provided with springs, the limiting blocks 19 and the elastic abutting blocks 20 can limit the workpiece 1 to enter the extreme position of the clamping device, a hole of the workpiece 1 is approximately aligned with the central axis of the positioning rod 4, a chamfer 21 for guiding is arranged at one end, where the positioning rod 4 is matched with the workpiece 1, the chamfer 21 facilitates the matching of the positioning rod 4 and the workpiece 1, and the position of the workpiece 1 is corrected.

Claims

1. The grinding machine clamping device is characterized by comprising a fixing seat (2), a pressing plate (3) which is arranged on the fixing seat (2) in a sliding mode and used for clamping an object and a driving assembly I for driving the pressing plate (3) to move, a positioning rod (4) which is matched with the hole of the workpiece (1) in a positioning mode and a driving assembly II for driving the positioning rod (4) to move are arranged in the fixing seat (2) in a sliding mode, when the workpiece (1) is located between the pressing plate (3) and the fixing seat (2), the driving assembly I can drive the pressing plate (3) to move to clamp the workpiece (1), and when the positioning rod (4) is controlled by the driving assembly II to move and is matched with the hole of the workpiece (1), the hole of the workpiece (1) and the central axis of the positioning rod (4) are arranged in a superposition mode.

2. A clamping apparatus for a grinding machine as claimed in claim 1, characterized in that the driving assembly comprises a pull shaft (5), a push-pull rod (6) controlled by the pull shaft (5) and a first translation driver (7) for driving the pull shaft (5) to move, the push-pull rod (6) is slidably engaged with the fixed base (2), the pressing plate (3) is connected to the push-pull rod (6), when the first translation driver (7) drives the pressing plate (3) to move away from the fixed base (2) via the pull rod, the workpiece (1) can be separated from the pressing plate (3) or the workpiece (1) can be driven into between the pressing plate (3) and the fixed base (2), and when the first translation driver (7) drives the pressing plate (3) to move towards the fixed base (2), the pressing plate (3) can clamp the workpiece (1) located between the pressing plate (3) and the fixed base (2).

3. A clamping device for a grinding machine as claimed in claim 2, characterized in that a locating sleeve (10) is provided in the holder (2) for engaging with the locating rod (4), the locating rod (4) being slidably engaged in the locating sleeve (10).

4. A clamping device for a grinding machine according to claim 3, characterized in that the pulling shaft (5) is provided with a positioning hole (11), one end of the positioning rod (4) is slidably fitted with the positioning hole (11), and two ends of the positioning rod (4) are slidably fitted with the positioning sleeve (10) and the positioning hole (11), respectively.

5. The clamping device of the grinding machine as claimed in claim 3, characterized in that the positioning rod (4) is sleeved with an elastic member (16), the positioning rod (4) is provided with a resisting piece (17) which is abutted against the elastic member (16), two ends of the elastic member (16) are respectively matched with the resisting piece (17) and the positioning sleeve (10), and the elastic member (16) can drive the positioning rod (4) to move in a direction away from the workpiece (1).

6. A clamping apparatus for a grinding machine as claimed in claim 1, characterized in that the second driving assembly comprises a second pushing block (12) and a second translation driver (14) for driving the second pushing block (12) to move, the second pushing block (12) extends out of the fixing base (2), the fixing base (2) is provided with a guiding sliding groove for sliding the second pushing block (12), and the second pushing block (12) is connected to the positioning rod (4).

7. The clamping device of the grinding machine as claimed in claim 6, characterized in that the second driving assembly further comprises a shifting block (13) for shifting the pushing block (12), the shifting block (13) is provided with two abutting sections (15) respectively located at two sides of the shifting block (13), when the second translation driver (14) does not drive the pushing block (12) to move, the two abutting sections (15) are both arranged at intervals with the shifting block (13), the second translation driver (14) moves, and the shifting block (13) can drive the pushing block (12) and the positioning rod (4) to move along the axial direction.

8. A clamping device of a grinding machine according to claim 1, characterized in that the fixed seat (2) is provided with a limiting block (19) for limiting the excessive movement of the workpiece (1), and the limiting block (19) is provided with an elastic abutting part capable of abutting against the workpiece (1).

9. A machine holding arrangement as claimed in claim 1, characterised in that the locating rods (4) are provided with chamfers (21) for guidance.