CN213470796U

CN213470796U - Workpiece fixing device for grinding machine

Info

Publication number: CN213470796U
Application number: CN202022301631.0U
Authority: CN
Inventors: 罗应臻
Original assignee: Kunshan Chengyuanfeng Electromechanical Equipment Co ltd
Current assignee: Kunshan Chengyuanfeng Electromechanical Equipment Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-06-18
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a work piece fixing device for grinding machine relates to the machining technique, aims at solving the fixed work piece of current grinding machine problem that wastes time and energy, and its technical scheme main points are: be equipped with location clamp splice and two activity clamp splices on the base, the location clamp splice is the L type and fixes the top surface at the base, two activity clamp splice sliding connection is on the base, be formed with the space that is used for placing the work piece between location clamp splice and two activity clamp splices, swing joint is to the fine setting piece of work piece direction motion on the activity clamp splice, it is connected with the drive division that is used for driving two activity clamp splice synchronous motion still to rotate on the base. The utility model discloses can be convenient fixed firm with the work piece.

Description

Workpiece fixing device for grinding machine

Technical Field

The utility model relates to a machining technique, more specifically say, it relates to a workpiece fixing device for grinding machine.

Background

The surface grinding machine is one of grinding machines, and the main function is to use a grinding wheel to grind a workpiece in a rotating manner so as to enable the workpiece to reach the required flatness, the workpiece needs to be clamped firmly in the grinding process of the grinding machine, and if the workpiece is not clamped firmly, the processing quality of the workpiece is affected.

The existing grinding machine generally fixes workpieces by bolts, needs manual bolt tightening at all angles, and is relatively complex in operation, time-consuming and labor-consuming.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a workpiece fixing device for grinding machine, can be convenient fixed firm with the work piece.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a work piece fixing device for grinding machine, includes the base, be equipped with location clamp splice and two activity clamp splices on the base, the location clamp splice is the L type and fixes the top surface at the base, two activity clamp splice sliding connection is on the base, be formed with the space that is used for placing the work piece between location clamp splice and two activity clamp splices, swing joint is to the fine setting piece of work piece direction motion on the activity clamp splice, it is connected with the drive division that is used for driving two activity clamp splice synchronous motion still to rotate on the base.

Through adopting above-mentioned technical scheme, two movable clamp splices slide to the direction of location clamp splice, can promote the work piece to two sides of L type fixed clamp splice and go out the top tightly, thereby press from both sides the work piece tightly, two movable clamp splice motions of drive portion drive that can be synchronous simultaneously, make the operation of pressing from both sides tight work piece more convenient, still be equipped with the micromatic setting simultaneously on movable clamp splice, the micromatic setting can be to the work piece direction motion, can be after the movable clamp splice centre gripping work piece further fixed the work piece, the effectual work piece that prevents is not hard up in the course of working.

The utility model discloses further set up to: the driving part comprises a first screw rod and a second screw rod which are rotatably connected in the base, the first screw rod and the second screw rod are rotatably connected through a bevel gear, a placing groove used for placing the driving part is formed in the base and communicated to the top surface of the base, and the two movable clamping blocks are respectively in threaded connection with the first screw rod and the second screw rod.

The utility model discloses further set up to: the bottom surfaces of the two movable clamping blocks are fixedly connected with convex blocks, and the convex blocks extend into the placing grooves and are respectively in threaded connection with the first screw rod and the second screw rod.

By adopting the technical scheme, when the first screw rod is rotated, the second screw rod is driven to rotate by the first screw rod through the bevel gear, so that the first screw rod and the second screw rod are synchronously rotated, and therefore the two movable clamping blocks which are respectively in threaded connection with the first screw rod and the second screw rod are driven to synchronously move, and the workpiece is synchronously clamped.

The utility model discloses further set up to: the fine adjustment piece is a bolt, the bolt is in threaded connection with the movable clamping block along the length direction, and one screwed end of the bolt extends out of the movable clamping block.

Through adopting above-mentioned technical scheme, after the synchronous pressure of two movable clamp blocks pressed the work piece, can be further fixed the work piece through screwing in the bolt to also can be with the firm of work piece fixed at work piece surface irregularity.

The utility model discloses further set up to: and one end of the bolt screwed in is fixedly connected with a buffer block.

The utility model discloses further set up to: the buffer block is a silica gel gasket.

Through adopting above-mentioned technical scheme, through the buffer block that sets up the silica gel material, can effectually prevent that the bolt from causing the damage to the workpiece surface when the tight work piece in top.

The utility model discloses further set up to: one end, far away from the bevel gear, of the first screw rod extends out of the base and is fixedly connected with a hand-cranking disc.

Through adopting above-mentioned technical scheme, people can be convenient realization through rotating hand dish and adjust the rotation of lead screw one to convenient drive lead screw two and the synchronous motion of two sliders.

The utility model discloses further set up to: and a positioning piece for fixing the first screw rod is further arranged on the base.

The utility model discloses further set up to: the one end of setting element is rotated and is connected the side at the base, the other end fixedly connected with snap ring of setting element, even offer the constant head tank that is used for holding the snap ring on the lateral wall of hand cranking dish.

Through adopting above-mentioned technical scheme, after two movable clamp splice regulation are accomplished, rotate the setting element and make the setting element card in the mounting groove of seting up on the rocking disc periphery wall, just can realize the fixed of rocking disc and lead screw of adversary to prevent to rotate at the hand dish of in-process of processing and lead screw, further improve the fixed effect of work piece in the course of working.

To sum up, the utility model discloses following beneficial effect has: two movable clamp splice slide to the direction of location clamp splice, can promote the work piece to two sides of the fixed clamp splice of L type play tightly, thereby press from both sides the work piece tightly, two movable clamp splice motions of drive portion drive that can be synchronous simultaneously, make the operation of pressing from both sides tight work piece more convenient, still be equipped with the fine setting piece on the movable clamp splice simultaneously, the fine setting piece can move to the work piece direction, can be further fixed the work piece behind activity clamp splice centre gripping work piece, the effectual work piece that prevents is not hard up in the course of working, can realize the fixed of adversary rocking disc and lead screw simultaneously through the setting element, thereby prevent that hand rocking disc and the lead screw of in-process at processing from rotating, further improve the fixed effect of work piece in the course of working.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural view of the driving part of the present invention;

fig. 5 is a schematic structural view of the middle movable clamping block of the present invention.

In the figure: 1. a base; 11. a placement groove; 2. positioning the clamping block; 3. a movable clamping block; 31. a bump; 4. a fine adjustment member; 41. a buffer block; 51. a first screw rod; 52. a second screw rod; 53. a bevel gear; 531. a first bevel gear; 532. a second bevel gear; 6. a hand-operated tray; 61. positioning a groove; 7. a positioning member; 71. a snap ring.

Detailed Description

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

Example (b):

as shown in fig. 1, a workpiece fixing device for a grinding machine, which comprises a base 1, a fixed clamping block fixed on the top surface of the base 1 and two movable clamping blocks 3 sliding on the base 1, a space for placing a workpiece is formed between the fixed clamping block and the two movable clamping blocks 3, meanwhile, a fine adjusting part 4 moving towards the direction of the workpiece is movably connected to the movable clamping blocks 3, a driving part for driving the two movable clamping blocks 3 to move synchronously is rotatably connected to the base 1, and meanwhile, a placing groove 11 used for placing the driving part and communicated to the top surface of the base 1 is formed in the base 1.

The fixed clamp splice is the L type to its side welding that is the L type is at the top surface of base 1, and two movable clamp splice 3 are just setting up two sides of fixed clamp splice respectively simultaneously, and movable clamp splice 3 is squarely, and its bottom fixedly connected with lug 31.

Fine setting 4 adopts the bolt, has seted up the screw hole that sets up along 3 direction of motion of activity clamp splice in the activity clamp splice 3, and the bolt is along length direction twist screw hole to its one end of twisting can stretch out from activity clamp splice 3, and the one end that stretches out in the bolt follow activity clamp splice 3 bonds simultaneously has buffer block 41, and buffer block 41 adopts the buffer spacer of silica gel material, can play the guard action to the workpiece surface when providing the power of grabbing.

The driving part comprises a first screw rod 51 and a second screw rod 52 which are rotatably connected in the base 1, the first screw rod 51 and the second screw rod 52 are respectively arranged in parallel with two sides of the fixed clamping block and are rotatably connected through a bevel gear 53, the bevel gear 53 comprises a first bevel gear 531 and a second bevel gear 532, the axes of which are meshed with each other, the first bevel gear 531 and the second bevel gear 532 are respectively welded with the end parts of the first screw rod 51 and the second screw rod 52, the placing groove 11 is also L-shaped and is used for accommodating the first screw rod 51 and the second screw rod 52 to rotate therein, the first screw rod 51 and the second screw rod 52 are both rotatably connected with the base 1 through bearings, the inner rings of the bearings are respectively welded with the two screw rods, the outer rings of the bearings are both welded in the base 1, the two convex blocks 31 are both inserted into the placing groove 11 and are respectively in threaded connection with the first screw rod 51 and the second screw rod 52, the two screw rods respectively penetrate through the screw rods and are respectively in threaded connection with the screw rods.

Meanwhile, one end of the first screw rod 51, which is far away from the bevel gear 53, extends out of the base 1 and is welded with the hand-cranking plate 6, the outer side wall of the hand-cranking plate 6 is annular, meanwhile, the base 1 is also provided with a positioning piece 7 for preventing the first screw rod 51 from rotating, the positioning piece 7 is in a rod shape, the side wall of the base 1 close to the hand-cranking plate 6 is welded with a convex block 31, one end of the positioning piece 7 is rotatably connected in the convex block 31 in a shaft hole connection mode, meanwhile, the other end of the positioning piece 7 is welded with a clamping ring 71, the clamping ring 71 can be embedded with the outer side wall of the hand-cranking plate 6 to realize clamping fit with the hand-cranking plate 6, meanwhile, the outer side wall of the hand-cranking plate 6 is uniformly provided with a positioning groove 61 for accommodating the snap ring 71, the positioning groove 61 is arc-shaped, when the snap ring 71 is clamped on the outer side wall of the hand cranking disc 6, the snap ring can be embedded into the positioning groove 61, so that the hand cranking disc 6 can be prevented from rotating, and the hand cranking disc 6 and the first screw rod 51 can be positioned.

When the clamping device is used, a workpiece is placed in a position between the positioning clamping block 2 and the two movable clamping blocks 3 on the base 1, and then the two movable clamping blocks 3 are adjusted to clamp the workpiece.

During adjustment, the hand-operated disc 6 is rotated, the hand-operated disc 6 drives the first screw rod 51 to rotate, the first screw rod 51 drives the second screw rod 52 to synchronously rotate through the bevel gear 53, and the first screw rod 51 and the second screw rod 52 can drive the lug bosses 31 which are respectively in threaded connection with the first screw rod 51 and the second screw rod 52 to slide simultaneously, so that the two movable clamping blocks 3 are driven to synchronously tighten through the lug bosses 31, the workpiece is finally pushed to the side wall of the fixed clamping block, the workpiece is pushed to be abutted, then fine adjustment is carried out, and the workpiece is further fastened.

During fine-tuning, twist the bolt to the work piece direction, the one end that the bolt was twisted can drive silica gel buffer block 41 to further top tight work piece to locking work piece that can be further, also can be tight with the work piece top at work piece surface unevenness simultaneously, improve fixed effect, fix a position lead screw 51 afterwards.

During the location, to hand dish 6 direction rotation setting element 7, during setting element 7 drives snap ring 71 card and goes into the constant head tank 61 of seting up on hand dish 6 to can prevent the rotation of hand dish 6, thereby fix a position lead screw 51, prevent that the movable clamp splice 3 is not hard up in the work piece course of working, finally just can be with the convenient fixed firm with the work piece of work piece, get into following procedure.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a work piece fixing device for grinding machine, includes base (1), its characterized in that: be equipped with location clamp splice (2) and two activity clamp splices (3) on base (1), location clamp splice (2) are the L type and fix the top surface in base (1), two activity clamp splice (3) sliding connection is on base (1), be formed with the space that is used for placing the work piece between location clamp splice (2) and two activity clamp splices (3), swing joint goes up the fine setting spare (4) to work piece direction motion on activity clamp splice (3), it is connected with the drive division that is used for driving two activity clamp splices (3) synchronous motion still to rotate on base (1).

2. A workpiece holding device for a grinding machine as defined in claim 1, wherein: the driving part comprises a first screw rod (51) and a second screw rod (52) which are rotatably connected in the base (1), the first screw rod (51) and the second screw rod (52) are rotatably connected through a bevel gear (53), a placing groove (11) for placing the driving part is formed in the base (1), the placing groove (11) is communicated to the top surface of the base (1), and the two movable clamping blocks (3) are respectively in threaded connection with the first screw rod (51) and the second screw rod (52).

3. A workpiece holding device for a grinding machine as defined in claim 2, wherein: the bottom surfaces of the two movable clamping blocks (3) are fixedly connected with a convex block (31), and the convex block (31) extends into the placing groove (11) and is in threaded connection with the first screw rod (51) and the second screw rod (52) respectively.

4. A workpiece holding device for a grinding machine as defined in claim 1, wherein: the fine adjustment piece (4) is a bolt, the bolt is in threaded connection with the movable clamping block (3) along the length direction, and one screwed end of the bolt extends out of the movable clamping block (3).

5. A workpiece holding device for a grinding machine as defined in claim 4, wherein: one end of the bolt screwed in is fixedly connected with a buffer block (41).

6. A workpiece holding device for a grinding machine as defined in claim 5, wherein: the buffer block (41) is a silica gel gasket.

7. A workpiece holding device for a grinding machine as defined in claim 2, wherein: one end, far away from the bevel gear (53), of the first screw rod (51) extends out of the base (1) and is fixedly connected with a hand-cranking disc (6).

8. A workpiece holding device for a grinding machine as defined in claim 7, wherein: and a positioning piece (7) for fixing the first screw rod (51) is further arranged on the base (1).

9. A workpiece holding device for a grinding machine as defined in claim 8, wherein: the one end of setting element (7) is rotated and is connected the side at base (1), the other end fixedly connected with snap ring (71) of setting element (7), even constant head tank (61) that are used for holding snap ring (71) are offered on the lateral wall of hand dish (6).