CN216463877U

CN216463877U - Worm polishing clamp

Info

Publication number: CN216463877U
Application number: CN202123290523.9U
Authority: CN
Inventors: 陈立玲; 江云聪; 陈建伟
Original assignee: Wenling Ruoheng Instrument Machinery Fittings Factory
Current assignee: Wenling Ruoheng Instrument Machinery Fittings Factory
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-10
Anticipated expiration: 2031-12-23

Abstract

The utility model provides a worm polishing clamp belongs to mechanical technical field. It has solved the problem that current anchor clamps influence machining precision. The worm polishing clamp comprises a base with a vertical central axis, wherein the base is provided with two positioning grooves for horizontally supporting a worm, the positioning grooves are distributed along the axial direction of the worm, a pressing block is arranged between the two positioning grooves, a driving piece connected with one end of the pressing block is fixedly arranged on the base, and the other end of the pressing block can move downwards to press on the worm or move upwards to be far away from the worm under the action of the driving piece; the clamp further comprises a rotating piece for driving the base to rotate 180 degrees around the vertical central axis. The worm polishing clamp can improve the worm machining quality.

Description

Worm polishing clamp

Technical Field

The utility model belongs to the technical field of machinery, a anchor clamps, especially a worm polishing anchor clamps are related to.

Background

The worm refers to a gear which has one or more spiral teeth and is meshed with a worm wheel to form a staggered shaft gear pair.

In order to strengthen the connection with power equipment or transmission equipment, flat squares are generally arranged on two sides of the end part of the existing worm. The flat square at the end of the worm is generally formed by milling with a milling cutter, and because burrs may exist on the flat square after milling, polishing operation needs to be carried out through a grinding wheel during actual processing.

Because the grinding wheel can only finish polishing one side of the end part of the worm at one time, the worm needs to be manually taken down to turn around during actual operation so as to realize polishing the other side. In the process, the worm needs to be positioned twice, so that the operation is troublesome, and the machining precision is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a can improve the worm polishing anchor clamps of polishing quality and efficiency.

The purpose of the utility model can be realized by the following technical proposal: a worm polishing clamp comprises a base with a vertical central axis, wherein the base is provided with two positioning grooves for horizontally supporting a worm, and the two positioning grooves are distributed along the axial direction of the worm; the clamp also comprises a rotating piece for driving the base to rotate 180 degrees around the vertical central axis.

The using process is as follows: the worm is horizontally arranged, two ends of the worm respectively penetrate through the two positioning grooves, and at the moment, the inner walls of the positioning grooves are in contact with the outer wall of the worm to support the worm; then the pressing block moves down under the action of the driving piece to be tightly pressed on the worm so as to lock the worm; then polishing one flat square of one side of the worm by a grinding wheel; after the treatment is finished, the worm rotates 180 degrees through the rotating part to realize turning around, so that the grinding wheel polishes the flat square on the other side of the worm.

Under the cooperation of the rotating part, the driving part, the pressing block and other parts, the continuous polishing of two sides of the worm can be realized through one-time clamping of the worm, so that the operation steps are effectively omitted, the worm is convenient to machine, and the machining precision of the worm can be enhanced.

In foretell worm polishing anchor clamps, foretell driving piece is cylinder or hydro-cylinder, and the piston rod of driving piece links firmly with the briquetting, has simple structure, convenient operation's advantage.

In the worm polishing clamp, the support is fixed on the base, the middle part of the pressing block is hinged with the support through the horizontally arranged rotating shaft, and the axis of the rotating shaft extends along the arrangement direction of the two positioning grooves. The briquetting articulates on the support through the pivot to strengthen the supporting effect to the briquetting, make the briquetting can be more steady and strong pressure on the worm, further strengthen worm machining precision.

In the worm polishing clamp, the base comprises a base body and two supporting blocks arranged on the base body, the two supporting blocks are distributed along the arrangement direction of the two positioning grooves, and the two positioning grooves are respectively arranged at the tops of the two supporting blocks; two supporting blocks homoenergetic are arranged the direction along two constant head tanks and are slided and all pass through the locking piece locking in sliding position, and support and driving piece are all fixed on the pedestal. The distance between two supporting blocks can be adjusted to the slip supporting shoe to the worm of different length of adaptation, the practicality is better.

In the worm polishing clamp, two shaft shoulders symmetrically arranged along the center of the worm are arranged on the outer wall of the worm, and two opposite side surfaces of the two support blocks are respectively pressed on the two shaft shoulders. The side surfaces of the two support blocks are respectively pressed on two shaft shoulders of the worm, so that the support blocks and the worm can synchronously move, the position adjustment is convenient, the movement of the worm is further limited in the axial direction, the worm positioning effect is enhanced, and the worm machining quality is further improved.

In foretell worm polishing anchor clamps, the spout that the direction extends is arranged along two supporting shoes is seted up at the pedestal top, and the supporting shoe is pressed on the pedestal roof, and the shaping has the slider portion that matches with the spout on the supporting shoe diapire, and slider portion slides and sets up in the spout for the supporting shoe slide guiding, convenient operation.

In foretell worm polishing anchor clamps, the spout is the form of running through, and the cross section of spout personally submits the shape of falling T, all runs through on two slider portions and is equipped with the through-hole just to the spout, and the locking piece is including locating in the spout and with the T shape bolt that the spout matches and the nut of pressing on the supporting shoe, and the pole portion of two T shape bolts passes two through-holes respectively and in the corresponding nut of screw in. By adopting the design, the device has the advantages of simple structure and convenient operation.

As another scheme, in the worm polishing clamp, the guide rods horizontally arranged are formed at the top of the base, the lengths of the guide rods are distributed along the arrangement direction of the two support blocks, guide sleeves matched with the guide rods are fixed at the bottoms of the two support blocks, and the guide sleeves are sleeved on the guide rods.

As another scheme, in the worm polishing clamp, the guide rod is provided with external threads, the locking piece comprises two pressing caps screwed on the guide rod, and the two ends of each guide sleeve are tightly pressed with the pressing caps.

In the worm polishing clamp, the rotating part is a swing cylinder, and the base body is fixed on the swing cylinder.

As another solution, in the worm polishing jig, the rotating member is an index plate, and the seat body is fixed to a chuck of the index plate.

Compared with the prior art, the worm polishing clamp has the following advantages:

1. under the cooperation of the rotating part, the driving part, the pressing block and other parts, the continuous polishing of two sides of the worm can be realized through one-time clamping of the worm, so that the operation steps are effectively omitted, the worm is convenient to machine, and the machining precision of the worm can be enhanced.

2. Two shaft shoulders symmetrically arranged along the center of the worm are arranged on the outer wall of the worm, and two opposite side faces of the two supporting blocks are respectively pressed on the two shaft shoulders, so that the supporting blocks and the worm synchronously move, the position adjustment is convenient, the movement of the worm is further limited in the axial direction, the worm positioning effect is enhanced, and the worm machining quality is further improved.

Drawings

Fig. 1 is a schematic structural view of a worm polishing jig.

Fig. 2 is a schematic view of the connection structure of the support block and the seat body.

In the figure, 1, a base; 1a, a seat body; 1a1, a chute; 1b, a supporting block; 1b1, positioning groove; 1b2, slider portion; 2. briquetting; 3. a rotating member; 4. a drive member; 5. a T-bolt; 6. a nut; 7. a support; 8. a rotating shaft.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1, the worm polishing jig includes a base 1, a pressing block 2, a rotary member 3, and a driving member 4.

Wherein,

the base 1 has a vertical central axis, and the base 1 is provided with two positioning grooves 1b1, and the positioning grooves 1b1 are distributed along the axial direction of the worm. The shape and size of the inner wall of the positioning groove 1b1 are matched with those of the worm, and the positioning groove 1b1 is used for horizontally supporting the worm.

The pressing block 2 is strip-shaped and is arranged between the two positioning grooves 1b 1. The driving piece 4 is fixed on the base 1, and driving piece 4 is connected to 2 one end of briquetting to under the effect of

driving piece

4, 2 other ends of briquetting can move down and press on the worm or move up and keep away from the worm.

The rotating member 3 is used for driving the base 1 to rotate 180 degrees around the vertical central axis.

In particular, the present invention relates to a method for producing,

the base 1 has the following specific structure: the base 1 comprises a base body 1a and two supporting blocks 1b arranged on the base body 1a, wherein the driving piece 4 is fixed on the base body 1 a; the two supporting blocks 1b are distributed along the arrangement direction of the two positioning grooves 1b1, and the two positioning grooves 1b1 are respectively arranged at the tops of the two supporting blocks 1 b. Two supporting blocks 1b all can arrange the direction along two constant head tank 1b1 and slide and all lock in the sliding position through the locking piece to adjust the distance between two supporting blocks 1b, with the worm of the different length of adaptation, the practicality is better.

As shown in fig. 2, the support block 1b is slidably connected to the seat body 1a as follows: the top of the seat body 1a is provided with a sliding groove 1a1 extending along the arrangement direction of the two supporting blocks 1b, the supporting blocks 1b are pressed on the top wall of the seat body 1a, a sliding block part 1b2 matched with the sliding groove 1a1 is formed on the bottom wall of the supporting blocks 1b, and the sliding block part 1b2 is arranged in the sliding groove 1a1 in a sliding mode and used for sliding guiding the supporting blocks 1b, so that the operation is convenient.

The locking piece is structured as follows: the sliding groove 1a1 is in a penetrating shape, namely, both ends of the sliding groove 1a1 are open, the cross section of the sliding groove 1a1 is in an inverted T shape, through holes which are right opposite to the sliding groove 1a1 are arranged on the two sliding block parts 1b2 in a penetrating manner, the locking part comprises a T-shaped bolt 5 which is arranged in the sliding groove 1a1 and matched with the sliding groove 1a1 and a nut 6 which is pressed on the supporting block 1b, and rod parts of the two T-shaped bolts 5 respectively penetrate through the two through holes and are screwed into the corresponding nuts 6.

Further, two shaft shoulders symmetrically arranged along the center of the worm are arranged on the outer wall of the worm, and two opposite side surfaces of the two support blocks 1b are respectively pressed on the two shaft shoulders. The side surfaces of the two support blocks 1b are respectively pressed on two shaft shoulders of the worm, so that the support blocks 1b and the worm can synchronously move, the position adjustment is convenient, the movement of the worm is further limited in the axial direction, the worm positioning effect is enhanced, and the worm machining quality is further improved.

As shown in fig. 1, the driving member 4 is a cylinder or an oil cylinder, and a piston rod of the driving member 4 is fixedly connected with the pressing block 2. Naturally, the driving part 4 can also adopt an electric push rod, and the main shaft of the electric push rod is fixedly connected with the pressing block 2. Further, a support 7 is fixed on the seat body 1a, the middle part of the press block 2 is hinged with the support 7 through a horizontally arranged rotating shaft 8, and the axis of the rotating shaft 8 extends along the arrangement direction of the two positioning grooves 1b 1. Briquetting 2 articulates on support 7 through pivot 8 to strengthen the supporting effect to briquetting 2, make briquetting 2 can be more steady and powerful the pressure on the worm, further strengthen worm machining precision. The installation manner of the rotating shaft 8 is the prior art, and will not be described in detail here.

The rotating member 3 is a swing cylinder, and the seat body 1a is fixed on the swing cylinder. Preferably, the base body 1a is formed with a connecting block in the shape of a circular arc, the connecting block is pressed on the main shaft of the swing cylinder, and a plurality of bolt holes for installing bolts vertically penetrate through the connecting block.

The using process is as follows: the worm is horizontally arranged, two ends of the worm respectively penetrate through the two positioning grooves 1b1, and at the moment, the inner wall of the positioning groove 1b1 is in contact with the outer wall of the worm to support the worm; then the pressing block 2 moves down and tightly presses on the worm under the action of the driving piece 4 so as to lock the worm; then polishing one flat square of one side of the worm by a grinding wheel; after the treatment is finished, the worm rotates 180 degrees through the rotating part 3 to realize turning around, so that the grinding wheel polishes the flat square on the other side of the worm. Under the cooperation of the rotating part 3, the driving part 4, the pressing block 2 and other parts, the continuous polishing of two sides of the worm can be realized through one-time clamping of the worm, so that the operation steps are effectively omitted, the worm is convenient to machine, and the machining precision of the worm can be enhanced.

Example two

The structure and principle of the second embodiment are basically the same as those of the first embodiment, and different points are as follows: the guide arm that the level set up is formed at base 1 top, and guide arm length distributes along two supporting block 1b arrangement direction, and two supporting block 1b bottoms all are fixed with the guide pin bushing that matches with the guide arm, and the guide pin bushing cup joints on the guide arm. The guide rod is provided with external threads, the locking piece comprises two pressing caps which are screwed on the guide rod, and the two ends of each guide sleeve are tightly pressed with the pressing caps.

EXAMPLE III

The structure and principle of the third embodiment are basically the same as those of the first embodiment, and different points are as follows: the rotating member 3 is an index plate, and the seat body 1a is fixed on a chuck of the index plate.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A worm polishing clamp comprises a base (1) with a vertical central axis, wherein positioning grooves (1b1) for horizontally supporting a worm are formed in the base (1), and two positioning grooves (1b1) are distributed along the axial direction of the worm; the clamp further comprises a rotating piece (3) for driving the base (1) to rotate 180 degrees around the vertical central axis.

2. The worm polishing clamp according to claim 1, characterized in that the driving member (4) is a cylinder or an oil cylinder, and a piston rod of the driving member (4) is fixedly connected to the pressing block (2).

3. The worm polishing clamp according to claim 2, characterized in that a bracket (7) is fixed on the base (1), the middle part of the pressing block (2) is hinged with the bracket (7) through a horizontally arranged rotating shaft (8), and the axis of the rotating shaft (8) extends along the arrangement direction of the two positioning grooves (1b 1).

4. The worm polishing jig according to claim 3, wherein the base (1) comprises a base body (1a) and two support blocks (1b) provided on the base body (1a), the two support blocks (1b) are distributed along the arrangement direction of the two positioning grooves (1b1), and the two positioning grooves (1b1) are respectively provided on the tops of the two support blocks (1 b); the two supporting blocks (1b) can slide along the arrangement direction of the two positioning grooves (1b1) and are locked at the sliding position through locking pieces, and the bracket (7) and the driving piece (4) are fixed on the base body (1 a).

5. The worm polishing jig as set forth in claim 4, wherein the worm has two shoulders formed on the outer wall thereof symmetrically about the center of the worm, and the two opposite side surfaces of the two support blocks (1b) are pressed against the two shoulders, respectively.

6. The worm polishing clamp according to claim 4 or 5, characterized in that the top of the seat body (1a) is provided with a sliding groove (1a1) extending along the arrangement direction of the two supporting blocks (1b), the supporting blocks (1b) are pressed on the top wall of the seat body (1a), the bottom wall of the supporting blocks (1b) is formed with a sliding block part (1b2) matched with the sliding groove (1a1), and the sliding block part (1b2) is slidably arranged in the sliding groove (1a 1).

7. The worm polishing clamp according to claim 6, characterized in that the sliding groove (1a1) is through-shaped, the cross section of the sliding groove (1a1) is inverted T-shaped, through holes facing the sliding groove (1a1) are arranged on the two sliding block parts (1b2) in a penetrating manner, the locking part comprises a T-shaped bolt (5) arranged in the sliding groove (1a1) and matched with the sliding groove (1a1) and a nut (6) pressed on the supporting block (1b), and the rod parts of the two T-shaped bolts (5) respectively pass through the two through holes and are screwed into the corresponding nuts (6).

8. The worm polishing clamp according to claim 4 or 5, characterized in that a horizontally arranged guide rod is formed on the top of the base (1), the length of the guide rod is distributed along the arrangement direction of the two support blocks (1b), guide sleeves matched with the guide rod are fixed at the bottoms of the two support blocks (1b), and the guide sleeves are sleeved on the guide rod.

9. The worm burnishing fixture of claim 8, wherein the guide rod is externally threaded, and the locking member comprises two pressure caps threadedly coupled to the guide rod, and each guide sleeve is tightly pressed at both ends thereof.

10. The worm burnishing fixture of claim 4, wherein the rotary member (3) is a pendulum cylinder and the seat (1a) is fixed to the pendulum cylinder.