CN220533905U

CN220533905U - Positioning fixture for grinding machine

Info

Publication number: CN220533905U
Application number: CN202321419695.8U
Authority: CN
Inventors: 林文津; 陈锦钦
Original assignee: Fuzhou Wuwei Electronics Co ltd
Current assignee: Fuzhou Wuwei Electronics Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2024-02-27
Anticipated expiration: 2033-06-06

Abstract

The utility model relates to the technical field of grinding machines, in particular to a positioning clamp for a grinding machine, which comprises a base plate and a top plate, wherein one end of a connecting column is connected to the upper axis of the base plate, the other end of the connecting column is connected to the top plate, a mounting groove is formed in the center line above the top plate, a motor is mounted at one end inside the mounting groove, and a power output shaft of the motor is connected with one end of a first screw rod. The fixing mechanism is matched with the motor in the top disc for use, so that the fixing clamping plates can be synchronously moved close to or away from each other, the fixing is convenient and fast, the fixing mechanism is convenient for rapidly connecting and replacing the fixing clamping plates, the fixing clamping plates with different shapes can be conveniently replaced subsequently, the time for replacing the whole fixture is reduced, and the processing efficiency is improved.

Description

Positioning fixture for grinding machine

Technical Field

The utility model relates to the technical field of grinding machines, in particular to a positioning clamp for a grinding machine.

Background

The grinding machine is a machine tool for grinding the surface of a workpiece by using a grinding tool, most grinding machines use a grinding wheel rotating at a high speed to grind, while the fixture is a device for fixing a machining object in a machining process to occupy a correct position so as to receive construction or detection, and is also called a fixture, in a broad sense, any process in the process is used for rapidly, conveniently and safely mounting the workpiece, and the fixture can be classified into a universal fixture according to the use characteristics, such as a machine vice, a chuck, a sucker, an indexing head, a rotary table and the like, has great universality, can well adapt to the change of the machining process and the machining object, has a fixed structure, has a size and a specification, and is a standard accessory of the machine tool. The special fixture is specially designed and manufactured for the clamping requirement of certain product parts in certain working procedure, has specific service objects and strong pertinence, and is generally designed by a product manufacturing factory.

However, the existing special fixture for the grinding machine is inconvenient to operate when being used for replacing different clamping plates for different products, and most of the existing special fixture for the grinding machine is the whole fixture to be replaced directly, so that time is required for fixing and installing the fixture, the machining efficiency is affected, meanwhile, for products to be processed in the working process of the grinding machine, the machining angle and the machining position are required to be adjusted, and the conventional fixture is inconvenient for adjusting the machining position and the machining angle.

Disclosure of Invention

The utility model aims to provide a positioning fixture for a grinding machine, which is provided with a fixing mechanism, a fixing clamping plate, a top plate and a chassis, wherein the top plate is connected with the chassis by being matched with a connecting column, a rotating rod can be stirred when the processing angle and the position of a workpiece are adjusted, the top plate is driven to rotate at the top end of the connecting column, the angle of the top plate is fixed, the fixing mechanism is convenient to adjust and fix, the fixing mechanism is matched with a motor in the top plate to use, the fixing clamping plates can be synchronously moved close to or away from each other, the fixing mechanism is convenient to fix, the fixing clamping plates can be conveniently and rapidly connected and replaced, the fixing clamping plates with different shapes can be conveniently replaced later, the time for replacing the whole fixture is shortened, and the processing efficiency is improved.

Therefore, the utility model provides a positioning fixture for a grinding machine, which comprises a chassis and a top disc, wherein one end of a connecting column is connected to a position of an axle center above the chassis, the other end of the connecting column is connected to the top disc, a mounting groove is formed in the center line above the top disc, a motor is mounted at one end inside the mounting groove, a power output shaft of the motor is connected with one end of a first screw, the other end of the first screw is connected with one end of a second screw, threaded sleeves are connected to the outer sides of the first screw and the second screw in a threaded manner, one end of a connecting rod is connected to the upper part of each threaded sleeve, the other end of the connecting rod is connected with a limiting seat, the top end of the limiting seat is connected with a fixing mechanism, and a fixing clamping plate is connected to the upper part of the fixing mechanism.

Preferably: the fixing mechanism comprises a connecting seat, a plug groove and a spring groove, wherein the connecting seat is arranged at the center of the upper part of the limiting seat, the height of the connecting seat is equal to the depth of the mounting groove, the plug groove is formed in two sides of the upper part of the connecting seat, the spring groove is formed in the connecting seat and is positioned between the two plug grooves, the two sides of the inside of the spring groove are slidably connected with a poking plate, two poking plates are respectively connected with one end of a fixing pin, two poking plates are respectively close to one another side of the poking plate, a butt spring is connected between the two sides of the poking plates, the other ends of the fixing pins extend to the inside of the plug groove, plug blocks are arranged on two sides of the lower part of the fixing plates, fixing holes are respectively formed in two sides of the plug blocks, and the other ends of the fixing pins are spliced in the fixing holes.

Preferably: the sliding groove is formed in the lower portion inside the spring groove, one end of the sliding block is connected to the inner portion of the sliding groove in a sliding mode, and the other end of the sliding block is connected to the lower portion of the poking plate.

Preferably: and a poking block is arranged on the outer side of the poking plate.

Preferably: the lengths of the first screw rod and the second screw rod are the same, and the outer screw threads are opposite in direction.

Preferably: limiting grooves are formed in two sides of the inside of the mounting groove, and two sides of the limiting seat are slidably connected into the limiting grooves.

Preferably: annular regulating groove has been seted up to inside the chassis, a plurality of locating hole has been seted up to the regulating groove inside, roof dish below terminal surface is connected with gag lever post one end, the locating hole has also been seted up to the gag lever post other end and peg graft inside the regulating groove, the locating hole inside gag lever post and regulating groove runs through and peg graft there is the dead lever, the roof dish outside is connected with the dwang.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the fixing mechanism, the fixing clamping plates, the top plate and the chassis are arranged, the top plate is matched with the connecting column to be connected with the chassis, the rotating rod can be stirred when the processing angle and the position of a workpiece are adjusted, the top plate is driven to rotate at the top end of the connecting column, the angle of the top plate is fixed, the fixing rod is only required to be inserted into the positioning hole in the adjusting groove of the chassis, the adjusting and fixing operation is convenient, the fixing mechanism is matched with the motor in the top plate to be used, the fixing clamping plates can be synchronously moved close to or away from each other, the fixing is convenient and fast, the fixing mechanism is convenient to quickly connect and replace the fixing clamping plates with different shapes, the time for replacing the whole fixture is reduced, and the processing efficiency is improved.

Drawings

FIG. 1 is an overall schematic view of a positioning jig for a grinding machine according to the present utility model;

FIG. 2 is a schematic structural view of a fixing mechanism of a positioning jig for a grinding machine according to the present utility model;

fig. 3 is an enlarged schematic view of the positioning jig for grinding machine of the present utility model.

In the figure: 1. a chassis; 2. an adjustment tank; 3. a connecting column; 4. a top plate;

5. a fixing mechanism; 501. a plug-in groove; 502. a spring groove; 503. a fixing pin; 504. a sliding groove; 505. a sliding block; 506. a connecting seat; 507. a spring is abutted tightly; 508. a toggle plate; 509. a poking block;

6. a limit rod; 7. a rotating lever; 8. a first screw; 9. a motor; 10. a limit seat; 11. a connecting rod;

12. a screw sleeve; 13. a limit groove; 14. a second screw; 15. a mounting groove; 16. positioning holes; 17. a fixing hole;

18. a plug block; 19. a fixed clamping plate; 20. and a fixing rod.

Detailed Description

The following description of the embodiments of the present utility model will be made with reference to the accompanying drawings, in which it is evident that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a positioning fixture for a grinding machine according to a preferred embodiment of the present utility model includes a chassis 1 and a top plate 4, one end of a connecting column 3 is connected to a center line above the chassis 1, the other end of the connecting column 3 is connected to the top plate 4, a mounting groove 15 is formed in a center line above the top plate 4, a motor 9 is installed at one end inside the mounting groove 15, a power output shaft of the motor 9 is connected to one end of a first screw 8, one end of a second screw 14 is connected to the other end of the first screw 8, threaded sleeves 12 are connected to the outer sides of the two ends, one end of a connecting rod 11 is connected to the other end of the connecting rod 11, a limiting seat 10 is connected to the top end of the limiting seat 10, a fixing mechanism 5 is connected to the top end of the fixing seat 5, a rotating rod 7 is connected to the top plate 4 in cooperation with the chassis 1, when a workpiece processing angle and a position are adjusted, the rotating rod 7 can be driven to rotate on the top plate 3, the top plate 4 angle of the fixing plate 4 only needs to be inserted into the adjusting groove 16 of the motor 20, the fixing rod 20 is not convenient to be replaced, and the fixing seat is not convenient to be moved away from the fixing seat 19, and the fixing clamp is fixed by the fixing seat 19, and the fixing clamp is not convenient to be replaced.

The fixing mechanism 5 comprises a connecting seat 506, a plug groove 501 and a spring groove 502, the connecting seat 506 is installed at the center of the upper portion of the limiting seat 10, the height of the connecting seat 506 and the depth of the mounting groove 15 are mutually horizontal, the plug groove 501 is formed in two sides of the upper portion of the connecting seat 506, the spring groove 502 is formed in the connecting seat 506 and is internally located between the two plug grooves 501, the two sides of the inside of the spring groove 502 are slidably connected with stirring plates 508, one sides of the stirring plates 508, which are far away from each other, are respectively connected with one end of a fixing pin 503, two sides of the stirring plates 508, which are close to each other, are connected with abutting springs 507, the other ends of the fixing pins 503 extend to the inside of the plug grooves 501, plug blocks 18 are installed on two sides of the lower portion of the fixing clamp plate 19, fixing holes 17 are formed in the two sides of the plug grooves 18, the other ends of the fixing pins are plugged into the fixing holes 17, when the fixing clamp plate 19 is installed, the stirring plates 508 in the inside the spring groove 502 are firstly, the two stirring plates 508 are driven to be tightly contacted with each other, the abutting springs 503 are tightly connected with the abutting springs 507, the two elastic plates 508 can be conveniently and stably detached, and the elastic plug plates can be conveniently and stably inserted into the fixing plates 503, and the elastic plug plates can be conveniently and fixed by the elastic plates can be conveniently and released.

The sliding groove 504 is formed below the inner portion of the spring groove 502, one end of the sliding block 505 is slidably connected inside the sliding groove 504, the other end of the sliding block 505 is connected below the stirring plate 508, and the sliding block 505 ensures the stability of the stirring plate 508 in the moving process.

The stirring block 509 is arranged on the outer side of the stirring plate 508, so that stirring of the stirring plate 508 is facilitated, and stirring efficiency is improved.

The first screw 8 and the second screw 14 have the same length, and the outer screw threads are opposite in direction, so that the threaded sleeves 12 on the outer sides of the two screws can move in different directions.

Limiting grooves 13 are formed in two sides of the inside of the mounting groove 15, and two sides of the limiting seat 10 are slidably connected in the limiting grooves 13, so that stable movement of the threaded sleeve 12 is ensured.

Annular adjusting tank 2 has been seted up to inside chassis 1, a plurality of locating hole 16 has been seted up to adjusting tank 2 inside, roof dish 4 below terminal surface is connected with gag lever post 6 one end, locating hole 16 has also been seted up to the gag lever post 6 other end and peg graft adjusting tank 2 is inside, the locating hole 16 inside gag lever post 6 and adjusting tank 2 runs through and peg graft there is dead lever 20, the roof dish 4 outside is connected with dwang 7, and gag lever post 6 can restrict the rotation of roof dish 4, and dead lever 20 then conveniently releases the fixed to dwang 7, simple operation.

The utility model relates to a positioning clamp for a grinding machine, which comprises: during the use, through putting into the work piece that needs processing to the footwall 4 top, drive first screw rod 8 and second screw rod 14 rotation by first motor 9 work, the swivel joint 12 in the outside is driven simultaneously and is rotated when two screw rods rotate, the spacing seat 10 that connecting rod 11 above swivel joint 12 connects slides in spacing groove 13 inside simultaneously, restrict the rotation of swivel joint 12, realize that swivel joint 12 moves in the screw rod outside of being connected respectively, because the screw thread opposite direction in two screw rod outsides can realize moving fixed establishment 5 and fixed splint 19, be close to each other with two fixed splint 19, carry out the centre gripping to the work piece, when needing angle regulation during processing, extract dead lever 20, stir dwang 7, footwall 4 rotates on the spliced pole 3 top, after adjusting the position, insert dead lever 20, be connected with locating hole 16, realize the fixed of footwall 4, the simple operation stirs the different shape work pieces, when later needing processing, at this moment, pull out plate 508 inside spring groove 502, drive the inside and pull out the spring 507, with the fixed pin that supports between two stirring plates 508 stretches out, with 503 to the spring groove inside, when need the fixed plate 17, take in the fixed plate 19 and take in the fixed slot is removed from the fixed plate and fixed slot is connected with the fixed plate 18.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined by the claims which are newly filed.

Claims

1. The utility model provides a positioning fixture for grinding machine, includes chassis (1) and footstock (4), its characterized in that: the utility model discloses a chassis, chassis (1) top axle center department is connected with spliced pole (3) one end, the spliced pole (3) other end is connected with footwall (4), mounting groove (15) have been seted up to footwall (4) top central line, motor (9) are installed to mounting groove (15) inside one end, motor (9) power take off shaft has first screw rod (8) one end, first screw rod (8) other end is connected with second screw rod (14) one end, and equal threaded connection in both outsides has swivel nut (12), swivel nut (12) top is connected with connecting rod (11) one end, the connecting rod (11) other end is connected with spacing seat (10), spacing seat (10) top is connected with fixed establishment (5), fixed establishment (5) top is connected with fixed splint (19).

2. A positioning jig for a grinding machine according to claim 1, wherein: the fixing mechanism (5) comprises a connecting seat (506), a plug-in groove (501) and a spring groove (502), wherein the connecting seat (506) is installed at the center of the upper side of the limiting seat (10), the height of the connecting seat (506) is equal to the depth of the mounting groove (15), the plug-in groove (501) is formed in two sides of the upper side of the connecting seat (506), the spring groove (502) is formed in the connecting seat (506) and is located between the two plug-in grooves (501), the two sides of the inner side of the spring groove (502) are slidably connected with stirring plates (508), one sides of the stirring plates (508) which are far away from each other are connected with one end of a fixing pin (503), two sides of the stirring plates (508) which are close to each other are connected with a tight spring (507), the other end of the fixing pin (503) extends to the inner side of the plug-in groove (501), plug-in blocks (18) are mounted on two sides of the lower side of the fixing plate (19), the two sides of the plug-in blocks (18) are formed in fixing holes (17) which are formed in the two sides of the connecting blocks (17) which are close to each other, and the other end of the fixing pin (503) is fixed in the inner side of the plug-in the fixing hole (17).

3. A positioning jig for a grinding machine according to claim 2, wherein: a sliding groove (504) is formed in the lower portion of the inner portion of the spring groove (502), one end of a sliding block (505) is connected in the sliding groove (504) in a sliding mode, and the other end of the sliding block (505) is connected below the stirring plate (508).

4. A positioning jig for a grinding machine according to claim 3, wherein: and a poking block (509) is arranged on the outer side of the poking plate (508).

5. The positioning jig for a grinding machine according to claim 4, wherein: the first screw (8) and the second screw (14) have the same length, and the outer screw threads are opposite in direction.

6. The positioning jig for a grinding machine according to claim 5, wherein: limiting grooves (13) are formed in two sides of the inside of the mounting groove (15), and two sides of the limiting seat (10) are slidably connected in the limiting grooves (13).

7. The positioning jig for a grinding machine according to claim 6, wherein: annular regulating groove (2) have been seted up to chassis (1) inside, a plurality of locating hole (16) have been seted up to regulating groove (2) inside, roof-plate (4) below terminal surface is connected with gag lever post (6) one end, locating hole (16) have been seted up equally to gag lever post (6) other end and peg graft regulating groove (2) inside, locating hole (16) inside gag lever post (6) and regulating groove (2) run through and peg graft have dead lever (20), roof-plate (4) outside is connected with dwang (7).