CN216967033U

CN216967033U - Rotary hole clamp for producing rotary table bearing

Info

Publication number: CN216967033U
Application number: CN202123415824.XU
Authority: CN
Inventors: 张之岗; 林民华; 孙俊英; 孙学亮; 孙汉军
Original assignee: Guanxian Hengxiang Bearing Manufacturing Co ltd
Current assignee: Guanxian Hengxiang Bearing Manufacturing Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-15
Anticipated expiration: 2031-12-31

Abstract

The utility model provides a rotary hole fixture for producing a rotary table bearing, which comprises a platen, wherein a fixture sliding table is arranged on the platen, a fixed plate and a movable block are arranged on the fixture sliding table, a V-shaped groove is formed in the top of the movable block, a positioning pipe is movably arranged in the V-shaped groove, three positioning rods horizontally penetrating through the front surface and the rear surface of the movable block are arranged on the movable block, the three positioning rods are distributed in an inverted triangle shape, an anti-swing block is arranged on the bottom surface of the movable block, a screw hole plate is arranged at one end, facing the fixed plate, of the anti-swing block, the anti-swing block and the screw hole plate are movably matched with a groove opening formed in the middle of the fixture sliding table, a sliding groove is formed in the inner wall of the groove opening and is movably matched with guide blocks arranged on two sides of the screw hole plate, a lead screw is arranged in the center of the screw hole plate, a spring is sleeved outside the lead screw, and a hinge joint is arranged at the end of the lead screw and is rotatably provided with a rocker arm. The device has the advantages of reasonable design, simple structure and good clamping stability, is favorable for ensuring the processing quality and is suitable for large-scale popularization.

Description

Rotary hole clamp for producing rotary table bearing

Technical Field

The utility model belongs to the technical field of rotary table bearing production equipment, and particularly relates to a rotary hole clamp for rotary table bearing production.

Background

The turntable bearing is a bearing capable of simultaneously bearing comprehensive loads such as axial load, radial load, overturning moment and the like, and is a precision bearing with a special structure and integrating functions of supporting, rotating, transmitting, fixing and the like. Generally, the inner ring and the outer ring of the turntable bearing are provided with mounting holes, lubricating oil holes and sealing structures, and the turntable bearing is suitable for different mounting and using requirements of various devices under precise working conditions. The turntable bearing has the characteristics of compact structure, high rotation precision, simplicity and convenience in installation and maintenance and the like.

At present, when the turntable bearing is punched, a workpiece needs to be positioned by positioning work so as to improve the processing quality of the turntable bearing. The full-automatic punching machine tool is equipped for large-scale production enterprises, but for small-scale and small-batch production enterprises, the full-automatic punching machine tool is high in cost and low in actual utilization rate. Therefore, small-scale and small-batch production enterprises can adopt the tool clamp for manual clamping, but the conventional manual clamping tool is simple in structure and poor in clamping stability, and the processing quality of workpieces can be directly influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems of the manual clamping tool, the utility model provides the rotary hole clamp for producing the rotary table bearing, which has the advantages of reasonable design, simple structure and good clamping stability and is beneficial to ensuring the processing quality.

In order to achieve the purpose, the utility model adopts the technical scheme that the rotary hole clamp for producing the rotary table bearing comprises a bedplate, wherein extension plates are arranged on two sides of the bedplate, clamping holes are formed in the extension plates, bolts are arranged in the clamping holes, a clamp sliding table is arranged on the bedplate, a fixed plate is arranged at the front end of the clamp sliding table, a movable block which is movably matched with the clamp sliding table is arranged on one side of the fixed plate, a V-shaped groove is formed in the top of the movable block, a positioning pipe is movably arranged in the V-shaped groove and used for positioning the top of an inner ring opening of a workpiece, three positioning rods which horizontally penetrate through the front surface and the rear surface of the movable block are arranged on the movable block, the three positioning rods are distributed in an inverted triangle shape, an anti-swing block is arranged on the bottom surface of the movable block, and a threaded hole plate is arranged at one end, facing the fixed plate, of the anti-swing block, prevent putting piece and silk orifice plate all with set up the notch clearance fit in the middle of anchor clamps slip table, be provided with the spout on the inner wall of notch, spout and the guide block clearance fit of setting in silk orifice plate both sides, the center of silk orifice plate is provided with the lead screw, the outside cover of lead screw is equipped with the spring, the tip of lead screw is provided with the hinge, it is provided with the rocking arm to rotate on the hinge.

Preferably, a hole group matched with the positioning rod is arranged on one side of the movable block and comprises three cylindrical holes which are distributed in an inverted triangle manner, two waist-shaped holes which are symmetrically distributed are formed between the cylindrical holes, a plurality of arc-shaped armature sheets are arranged in the waist-shaped holes, and arc-shaped surfaces of the armature sheets are matched with the positioning rod.

Preferably, the positioning pipe comprises a pipe body, an annular retainer ring is arranged on the side face of the pipe body, and a sinking groove matched with the retainer ring is formed in one end, facing the fixed plate, of the movable block.

Preferably, the one end of notch fixed plate dorsad is provided with supporting component, supporting component includes two relative distribution's curb plate, the opposite face of curb plate is the arc surface, be provided with support bearing between the arc surface, support bearing cup joints with the lead screw activity.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the rotary hole clamp for producing the rotary table bearing, the plane side of the workpiece can be clamped by rotating the rocker arm to enable the screw rod to drive the movable block to move towards the direction of the fixed plate, and the curved surface side of the workpiece can be clamped by the positioning rod and the positioning pipe from different angles, so that the rotary hole clamp has the advantages of good quick clamping effect, high stability and suitability for rotary table bearings of various models; the stability of the workpiece in the machining process can be effectively guaranteed by the cooperation of the anti-swing block, the notch, the silk hole plate, the guide block and the sliding groove. The device has the advantages of reasonable design, simple structure and good clamping stability, is favorable for ensuring the processing quality and is suitable for large-scale popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is an isometric view of a rotary hole fixture for producing a rotary table bearing provided by an embodiment;

FIG. 2 is a side view of a rotary hole fixture for producing a rotary table bearing provided by an embodiment;

FIG. 3 is a cross-sectional view of a rotary hole fixture for manufacturing a bearing of a turntable, taken along the direction D-D;

in the above figures, 1, a platen; 2. an extension plate; 3. a bolt; 4. a clamp sliding table; 41. a notch; 42. a chute; 5. a fixing plate; 6. a movable block; 61. a V-shaped groove; 62. anti-swing blocks; 63. a silk hole plate; 64. a group of holes; 641. a cylindrical bore; 642. a kidney-shaped hole; 65. sinking a groove; 7. a positioning tube; 71. a pipe body; 72. a retainer ring; 8. positioning a rod; 9. a lead screw; 10. a spring; 11. a hinge joint; 12. a rocker arm; 13. an armature plate; 14. a support assembly; 141. a side plate; 142. and supporting the bearing.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

In the embodiment, as shown in fig. 1, fig. 2 and fig. 3, the rotary hole fixture for producing the rotary table bearing provided by the utility model comprises a bedplate 1, wherein extension plates 2 are arranged on two sides of the bedplate 1, clamping holes are arranged on the extension plates 2, bolts 3 are arranged in the clamping holes, and the device can be fixed on a machine tool by the bolts 3. On the basis, the utility model is provided with a clamp sliding table 4 on a bedplate 1, the front end of the clamp sliding table 4 is provided with a fixed plate 5, one side of the fixed plate 5 is provided with a movable block 6 movably matched with the clamp sliding table 4, the top of the movable block 6 is provided with a V-shaped groove 61, a positioning pipe 7 is movably arranged in the V-shaped groove 61, the positioning pipe 7 is used for positioning the top of an inner ring opening of a workpiece, the movable block 6 is provided with three positioning rods 8 horizontally penetrating through the front and the back of the movable block, the three positioning rods 8 are distributed in an inverted triangle shape, the bottom surface of the movable block 6 is provided with an anti-swing block 62, one end of the anti-swing block 62 facing the fixed plate 5 is provided with a screw hole plate 63, the anti-swing block 62 and the screw hole plate 63 are both movably matched with a notch 41 arranged in the middle of the clamp sliding table 4, the inner wall of the notch 41 is provided with a sliding groove 42, the sliding groove 42 is movably matched with guide blocks arranged at the two sides of the screw hole plate 63, the center of the screw hole plate 63 is provided with a lead screw 9, the outside cover of lead screw 9 is equipped with spring 10, and the tip of lead screw 9 is provided with articulated joint 11, rotates on articulated joint 11 and is provided with rocking arm 12. The three positioning rods 8 can clamp the workpiece from the inner ring of the workpiece and also from the outer ring of the workpiece, and optimally, the three positioning rods 8 clamp the workpiece from the inner ring at the same time, so that the rapid clamping efficiency can be improved, and the workpiece can be accurately fixed by matching with the positioning of the positioning tube 7. It should be noted that the actual angles of the three positioning rods 8 can be designed according to production requirements.

In the device, the rocker arm 12 is used as an input end of power, the rocker arm 12 is manually input with power, the rocker arm 12 drives the hinge joint 11 and the lead screw 9 to rotate, and the lead screw 9 drives the movable block 6 to move towards the direction of the fixed plate 5 so as to clamp the plane side of a workpiece. Meanwhile, the positioning rod 8 and the positioning tube 7 can clamp the curved surface side of the workpiece from different angles, so that the rapid clamping effect is good, the stability is high, and the fixture is suitable for turntable bearings of various models. The side edge of the anti-swing block 62 is movably matched with the inner wall of the notch 41, so that the phenomenon that the screw rod is deformed irreversibly due to head swing or tail swing in the machining process can be avoided; the silk hole plate 63 and the guide block are respectively movably matched with the notch 41 and the sliding groove 42, so that the stability of the workpiece in the moving process can be ensured. This device sets up the effect that spring 10 can play the buffering, can carry out mechanical compensation to lead screw 9 and silk orifice plate 63 complex clearance part moreover to improve the stability of movable block 6 and fixed plate 5 interval.

In order to improve the clamping performance of the device, the side of the movable block 6 is provided with a hole group 64 matched with the positioning rod 8, the hole group 64 comprises three cylindrical holes 641 which are distributed in an inverted triangle shape, two waist-shaped holes 642 which are symmetrically distributed are arranged between the cylindrical holes 641, a plurality of arc-shaped armature sheets 13 are arranged in the waist-shaped holes 642, and the arc-shaped surfaces of the armature sheets 13 are matched with the positioning rod 8. The cylindrical hole 641 can be used as a common hole for inserting the positioning rod 8 to process a workpiece with a common specification; the waist-shaped hole 642 can be used as a spare hole, and the armature sheet 13 controls the specific position of the positioning rod 8 in the waist-shaped hole 642, so that an elastic mechanism is provided for the actual clamping range of the three positioning rods 8, and the device can process workpieces of a relatively cold type or workpieces with low yield requirements.

In order to improve the positioning stability of the positioning tube 7, the positioning tube 7 provided by the utility model comprises a tube body 71, an annular retainer ring 72 is arranged on the side surface of the tube body 71, and a sunk groove 65 matched with the retainer ring 72 is arranged at one end, facing the fixed plate 5, of the movable block 6. The sink groove 65 can prevent the retaining ring 72 from partially protruding out of the movable block 6 to affect the matching effect of the end face of the movable block 6 and the end face of the workpiece, and the retaining ring 72 can prevent the pipe body 71 from carrying the head. The positioning tube 7 is used as a clamping piece of the device, and the V-shaped groove 61 is matched as a supporting surface of the positioning tube, so that the positioning tube 7 is more flexible to use, and the practicability is higher.

In order to improve the transmission stability of the lead screw 9, the supporting component 14 is arranged at one end of the notch 41, which faces away from the fixing plate 5, the supporting component 14 comprises two side plates 141 which are distributed oppositely, the opposite surfaces of the side plates 141 are arc surfaces, a supporting bearing 142 is arranged between the arc surfaces, and the supporting bearing 142 is movably sleeved with the lead screw 9. The supporting component 14 serves as a supporting piece of the lead screw 9, so that the transmission stability and the smoothness of the lead screw 9 can be improved, the supporting component 14 is of an assembly type structure, the correction and the adjustment of the lead screw which deviates in the actual use process are facilitated, and the maintenance is facilitated.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. A rotary hole clamp for producing a rotary table bearing comprises a table plate, wherein extension plates are arranged on two sides of the table plate, clamping holes are formed in the extension plates, bolts are arranged in the clamping holes, the rotary hole clamp is characterized in that a clamp sliding table is arranged on the table plate, a fixing plate is arranged at the front end of the clamp sliding table, a movable block movably matched with the clamp sliding table is arranged on one side of the fixing plate, a V-shaped groove is formed in the top of the movable block, a positioning pipe is movably arranged in the V-shaped groove and used for positioning the top of an inner ring opening of a workpiece, three positioning rods horizontally penetrating through the front surface and the rear surface of the movable block are arranged on the movable block, an anti-swing block is arranged on the bottom surface of the movable block, a threaded hole plate is arranged at one end, facing the fixing plate, of the anti-swing block and the threaded hole plate are movably matched with a notch formed in the middle of the clamp sliding table, be provided with the spout on the inner wall of notch, spout and the guide block clearance fit who sets up in silk orifice plate both sides, the center of silk orifice plate is provided with the lead screw, the outside cover of lead screw is equipped with the spring, the tip of lead screw is provided with the articulated joint, it is provided with the rocking arm to rotate on the articulated joint.

2. The hole rotating clamp for the production of the turntable bearing according to claim 1, wherein the movable block is provided with a hole set on a side thereof for engaging with the positioning rod, the hole set comprises three cylindrical holes in an inverted triangular distribution, two symmetrically-distributed kidney-shaped holes are provided between the cylindrical holes, a plurality of arc-shaped armature plates are provided in the kidney-shaped holes, and arc-shaped surfaces of the armature plates are used for engaging with the positioning rod.

3. The rotary hole fixture for the production of the turntable bearing as claimed in claim 2, wherein the positioning tube comprises a tube body, an annular retainer ring is arranged on a side surface of the tube body, and a sink groove matched with the retainer ring is arranged at one end of the movable block facing the fixed plate.

4. The rotary hole fixture for the production of the rotary table bearing as claimed in claim 3, wherein a support assembly is arranged at one end of the notch, which faces away from the fixing plate, the support assembly comprises two side plates which are oppositely distributed, opposite surfaces of the side plates are arc surfaces, a support bearing is arranged between the arc surfaces, and the support bearing is movably sleeved with the lead screw.