CN220128327U - Centerless fixture of cylindrical grinding machine - Google Patents

Abstract

The utility model discloses a centerless fixture of a cylindrical grinding machine, which is characterized in that the positions of movable mounting seats are adjusted by driving a bidirectional screw rod to rotate through the operation of a knob, corresponding adjustment is carried out on workpieces with different specification lengths to meet the requirement of normal use, a sleeved sliding seat can be moved along a connecting plate in the front-rear direction to adjust the placement position of the fixture in the front-rear direction, the fixture is abutted against the workpiece by a spring in the initial inward movement process, and then the position of the fixture is further adjusted by rotating a jacking screw, so that the workpiece is further clamped, and then the workpiece is processed.

Description

Centerless fixture of cylindrical grinding machine

Technical Field

The utility model relates to the technical field of grinding machine clamps, in particular to a centerless clamp of a cylindrical grinding machine.

Background

The cylindrical grinding machine is a mechanical device for machining the outer surface and the shaft shoulder end face generated by various shaped element wires such as columns and cones, generally, a clamp is needed to be used for clamping a workpiece during machining in order to ensure normal machining and good machining effect, and in the cylindrical grinding machine work, the most common is a centerless clamp, and the repeated positioning accuracy is high.

However, when the centerless fixture is used on a grinding machine, the centerless fixture is fixed by adopting a bolt mode, and the centerless fixture needs to be completely disassembled for repositioning during adjustment, so that the centerless fixture is inconvenient to operate and inconvenient to adjust.

Disclosure of Invention

In view of the problems existing in the prior art, the utility model discloses a centerless fixture of a cylindrical grinding machine, which adopts the technical scheme that the centerless fixture comprises a base, positioning feet, front and rear side mounting grooves, a spacing adjusting mechanism, movable mounting seats, a connecting plate, positioning holes, sleeved sliding seats, positioning screws, fixture clamping seats and fixtures, wherein the positioning feet are fixed at four corners of the bottom of the base, the positioning feet are matched with bolts to fix the placing positions of the base, the front and rear side mounting grooves are formed in the front and rear sides of the base, the spacing adjusting mechanism is arranged in the front and rear side mounting grooves, the movable mounting seats are installed through the spacing adjusting mechanism, the spacing of the movable mounting seats is adjusted according to the length of a workpiece to be machined, so that the fixture position is adjusted, the workpiece to be machined is conveniently and stably clamped in an adaptability mode, the movable mounting seats are four in front and rear, the movable mounting seats are fixedly connected with the connecting plate, the sleeved sliding seats are sleeved on the connecting plate, the placing positions of the sleeved sliding seats on the connecting plate are determined by the matching of the positioning screws and the positioning holes, the fixtures are arranged on the sliding seats to place the fixtures, and the fixtures through the fixture clamping seats to be placed, and the fixtures are convenient to detach after the fixtures are placed.

As a preferable technical scheme of the utility model, the interval adjusting mechanism comprises a guide shaft, a bidirectional screw rod and a knob, wherein the guide shaft is fixed in a groove near the front side of a front side installation groove and a rear side installation groove, the bidirectional screw rod is rotationally installed in the groove near the rear side, a movable installation seat is sleeved with the guide shaft and is in threaded fit with the bidirectional screw rod, the bidirectional screw rod is driven by the knob, and the position of the movable installation seat can be adjusted under the rotation of the bidirectional screw rod by manually driving the knob to rotate.

As a preferable technical scheme of the utility model, the inner sides of the sleeved sliding seat on the left side and the right side are provided with grooves, two ends of the transverse stabilizing plate are arranged in the grooves formed in the inner sides of the sleeved sliding seat and are locked by stabilizing screws, when the position of the movable mounting seat is adjusted, the two ends of the transverse stabilizing plate extend into the grooves, and after the position reaches a proper position, the transverse stabilizing plate is locked by the stabilizing screws.

As a preferable technical scheme of the utility model, the clamp clamping seat is provided with the T-shaped groove, the inner end of the T-shaped groove is in an opening shape, the bottom surface of the clamp is fixedly provided with the T-shaped bulge through a screw, the T-shaped bulge is matched with the T-shaped groove for placement, the inner wall of the T-shaped groove is fixedly provided with the spring, and the furniture can be stably placed in the T-shaped groove through the T-shaped matching structure and is very convenient to detach.

As a preferable technical scheme of the utility model, the outer side wall of the clamp clamping seat is provided with two jacking screws in a matched manner, the number of the jacking screws outside the single clamp clamping seat is two, the inner ends of the jacking screws extend into the T-shaped groove and are positioned at the two sides of the spring, and the clamping screws are utilized to inwards push the clamp to clamp a workpiece.

The utility model has the beneficial effects that: the position of the movable mounting seat is adjusted by driving the bidirectional screw rod to rotate through the operation of the knob, corresponding adjustment is carried out on workpieces with different specification lengths to meet normal use, the clamp placement position in the front-back direction can be adjusted by moving the sleeved sliding seat along the connecting plate in the front-back direction, the clamp is abutted against the workpiece by utilizing the spring in the initial inward movement process, the position of the clamp is further adjusted by rotating the jacking screw, the workpiece is further clamped, and then the workpiece is processed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

fig. 3 is a schematic top view of the present utility model.

In the figure: the device comprises a base 1, positioning feet 2, front and rear side mounting grooves 3, a guide shaft 4, a bidirectional screw rod 5, a knob 6, a movable mounting seat 7, a connecting plate 8, a positioning hole 9, a sleeved sliding seat 10, a positioning screw 11, a transverse stabilizing plate 12, a stabilizing screw 13, a clamp clamping seat 14, a T-shaped groove 15, a spring 16, a tightening screw 17 and a clamp 18.

Detailed Description

Example 1

As shown in fig. 1 to 3, the utility model discloses a centerless fixture of a cylindrical grinding machine, which adopts the technical scheme that the centerless fixture comprises a base 1, positioning feet 2, front and rear side mounting grooves 3, a spacing adjusting mechanism, movable mounting seats 7, connecting plates 8, positioning holes 9, a sleeving sliding seat 10, positioning screws 11, fixture clamping seats 14 and fixtures, wherein the positioning feet 2 are fixed at four corners of the bottom of the base 1, the front and rear side mounting grooves 3 are formed in the front and rear sides of the base 1, the spacing adjusting mechanism is arranged in the front and rear side mounting grooves 3, the movable mounting seats 7 are mounted through the spacing adjusting mechanism, the number of the movable mounting seats 7 is four, the connecting plates 8 are fixedly connected between the front and rear side movable mounting seats 7, the connecting plates 8 are provided with a plurality of positioning holes 9, the sleeving sliding seat 10 is sleeved on the connecting plates 8, the placement position of the sleeving sliding seat 10 on the connecting plates 8 is determined by the matching of the positioning screws 11 and the positioning holes 9, and the fixture clamping seats 14 are arranged on the sleeving sliding seat 10 to place the fixtures 18.

As a preferable technical scheme of the utility model, the space adjusting mechanism comprises a guide shaft 4, a bidirectional screw 5 and a knob 6, wherein the guide shaft 4 is fixed in a groove near the front side of the front and rear side mounting groove 3, the bidirectional screw 5 is rotatably mounted in a groove near the rear side, and the bidirectional screw 5 is driven by the knob 6.

As a preferred embodiment of the present utility model, the inner sides of the left and right sheathing sliding seats 10 are provided with grooves, and both ends of the lateral stabilizing plate 12 are placed in the grooves provided on the inner sides of the sheathing sliding seats 10 and are locked by the stabilizing screws 13.

As a preferable technical scheme of the utility model, a T-shaped groove 15 is formed on the clamp clamping seat 14, the inner end of the T-shaped groove 15 is in an opening shape, a T-shaped bulge is integrally formed on the bottom surface of the clamp clamping seat 14, the T-shaped bulge is matched with the T-shaped groove 15, and a spring 16 is fixed on the inner wall of the T-shaped groove 15.

As a preferable technical scheme of the utility model, the outer side wall of the clamp clamping seat 14 is provided with two jacking screws 17 in a matched manner, the number of the jacking screws 17 outside the single clamp clamping seat 14 is two, the inner ends of the jacking screws extend into the T-shaped groove 15 and are positioned at two sides of the spring 16, and the jacking screws 17 are rotated to adjust the position of the clamp 18 in one step so as to clamp a workpiece to be machined.

The working principle of the utility model is as follows: during the use, the operation of knob 6 drives the rotation of two-way lead screw 5, adjust the position of movable mount pad 7, carry out corresponding regulation to the work piece of different specification length and satisfy normal use, can move about along connecting plate 8 with suit slide 10 in the front and back direction and can adjust the clamp and place the position in the front and back direction, and utilize spring 16 to support anchor clamps 18 tight work piece in the in-process of initial interior, afterwards through rotating tight screw 17 in the top, further adjust the position of anchor clamps 18, realize further chucking to the work piece, then processing, the device can carry out corresponding adjustment to anchor clamps 18 according to the in-service use demand, can satisfy multiple processing demand, be fit for using widely, and anchor clamps 18 bottom T type groove 15 and the bellied cooperation mode of T type are all comparatively convenient when dismantling and installing and placing.

The components not described in detail herein are prior art.

Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.

Claims (5)

1. The utility model provides a centerless fixture of cylindrical grinder, includes anchor clamps (18), its characterized in that: the device comprises a base (1), positioning feet (2), front and rear side mounting grooves (3), a spacing adjusting mechanism, a movable mounting seat (7), a connecting plate (8), positioning holes (9), a sleeving sliding seat (10), positioning screws (11) and a clamp clamping seat (14); four corners of the bottom of the base (1) are fixedly provided with positioning feet (2); front and rear side mounting grooves (3) are formed in the front and rear sides of the base (1); a distance adjusting mechanism is arranged in the front side mounting groove (3) and the rear side mounting groove, and the movable mounting seat (7) is mounted through the distance adjusting mechanism; the number of the movable mounting seats (7) is four, namely front, back, left and right, and a connecting plate (8) is fixedly connected between the front and back movable mounting seats (7); a plurality of positioning holes (9) are formed in the connecting plate (8); the sleeved sliding seat (10) is sleeved on the connecting plate (8); the placement position of the sleeved sliding seat (10) on the connecting plate (8) is determined by the cooperation of the positioning screw (11) and the positioning hole (9); the clamp clamping seat (14) is arranged on the sleeved sliding seat (10) for placing the clamp (18).

2. The cylindrical grinder centerless fixture of claim 1 wherein: the interval adjusting mechanism comprises a guide shaft (4), a bidirectional screw rod (5) and a knob (6); a guide shaft (4) is fixed in the groove near the front side of the front and rear side mounting grooves (3), and a bidirectional screw rod (5) is rotatably mounted in the groove near the rear side; the bidirectional screw rod (5) is driven by a knob (6); the movable mounting seat (7) is sleeved with the guide shaft (4) and is in threaded fit with the bidirectional screw rod (5).

3. The cylindrical grinder centerless fixture of claim 1 wherein: the inner sides of the sleeving sliding seat (10) on the left side and the right side are provided with grooves, and two ends of the transverse stabilizing plate (12) are arranged in the grooves formed in the inner sides of the sleeving sliding seat (10) and are locked by stabilizing screws (13).

4. The cylindrical grinder centerless fixture of claim 1 wherein: the clamp clamping seat (14) is provided with a T-shaped groove (15), the inner end of the T-shaped groove (15) is in an opening shape, a T-shaped bulge is fixedly arranged on the bottom surface of the clamp (18) in a screw mode, and the T-shaped bulge is matched with the T-shaped groove (15); a spring (16) is fixed on the inner wall of the T-shaped groove (15).

5. The cylindrical grinder centerless fixture of claim 4 wherein: the outer side wall of the clamp clamping seat (14) is provided with two jacking screws (17) in a matched mode, and the two jacking screws (17) outside the single clamp clamping seat (14) extend into the T-shaped groove (15) and are located on two sides of the spring (16).