CN211589731U

CN211589731U - Frock clamp of peripheral milling

Info

Publication number: CN211589731U
Application number: CN201922482830.3U
Authority: CN
Inventors: 刘克强
Original assignee: Hangzhou Zhongquan Machinery Co ltd
Current assignee: Hangzhou Zhongquan Machinery Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-29
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a frock clamp of cylindrical grinding, which comprises a body, a drive plate is arranged on the body, two drive needles are arranged on the drive plate, a first cylinder is arranged in the body, a connecting pipe is arranged on the outer side surface of the first cylinder in a penetrating way, the connecting pipe is fixedly connected with the first cylinder, a trapezoidal rod is arranged in the connecting pipe, the trapezoidal rod is in sliding fit with the connecting pipe, slide blocks are symmetrically arranged at the two ends of the connecting pipe, the slide blocks are in sliding fit with the connecting pipe, a trapezoidal block is arranged at the bottom of the slide blocks, the inclined plane of the trapezoidal block is contacted with the inclined plane of the trapezoidal rod, a baffle is fixedly arranged at one end of the first cylinder, a second cylinder is fixedly arranged at one end of the baffle, thereby drive the trapezoidal pole and remove, trapezoidal pole promotes another slider and moves to one side that is close to dialling the needle, moves and the slider contact until two group needles, can make two group needles application of force simultaneously.

Description

Frock clamp of peripheral milling

Technical Field

The utility model relates to a work piece grinding frock field, in particular to frock clamp of peripheral milling.

Background

The tooling, namely the technical equipment, refers to the general name of various tools used in the manufacturing process. Including cutter/clamp/mold/gauge/auxiliary/bench tool/station tool, etc. The tooling is a general abbreviation thereof.

Traditional grinding frock one end is pressed from both sides the work piece tightly, and the other end contacts with the thimble, presss from both sides the grinding frock tightly through two thimbles, and at the removal driver plate, the driver plate drives the plectrum and removes for the plectrum contacts with cutting the frock. The rotating of the driving plate drives the shifting needle to rotate, the grinding tool is driven to rotate through the shifting needle, so that a workpiece is driven to rotate, the grinding tool cannot be completely parallel to the driving plate when being installed, the shifting needle is in the process of being touched with the grinding tool, one shifting needle touches the grinding tool firstly, the other shifting needle cannot well provide rotating force, the grinding tool can be shifted when rotating, the whole workpiece is damaged, and a solution is provided for the following problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a frock clamp of peripheral milling has solved and has dialled the needle and can not contact grinding frock simultaneously for two group needles can be jointly to grinding frock application of force.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a frock clamp for cylindrical grinding comprises a body, wherein a drive plate is arranged on the body, two drive pins and ejector pins are arranged on the drive plate, a second ejector pin is arranged at the tail part of the body, a first cylinder is arranged at one end of the ejector pin, a connecting pipe is arranged on the outer side surface of the first cylinder in a penetrating way, the connecting pipe is fixedly connected with the first cylinder, a trapezoidal rod is arranged inside the connecting pipe and is in sliding fit with the connecting pipe, sliders are symmetrically arranged at two ends of the connecting pipe and are in sliding fit with the connecting pipe, a trapezoidal block is arranged at the bottom of each slider, a first spring is arranged at one end of each trapezoidal block and is fixedly connected with the inner side wall of the connecting pipe, the inclined surface of each trapezoidal block is in contact with the inclined surface of the trapezoidal rod, a communicating hole is symmetrically formed in the surface of one side of the connecting pipe, two the both ends of spring two are connected with intercommunicating pore and driver plate respectively, the fixed baffle that is provided with of one end of first cylinder, the fixed second cylinder that is provided with of one end that first cylinder was kept away from to the baffle.

By adopting the technical scheme, the workpiece is fixed on the second column body, the baffle plate has a limiting effect on the workpiece, the second column body is prevented from extending into the workpiece too much, the workpiece is placed in the body, the first thimble and the second thimble fix the workpiece, the two springs are fixed on the drive plate, the two springs and the two shift needles are positioned on the same plane, the springs at two ends can ensure the synchronism of the shift needles and the grinding tool during rotation, the shift needles are prevented from being separated from the grinding tool during grinding, the machine is started, the drive plate drives the shift needles to move, the shift needles move to push one slide block to continue moving, the shift needles drive the slide block to move, the slide block moves to drive the trapezoid block to move, the trapezoid block is attached to the inclined plane of the trapezoid rod, the trapezoid rod is extruded when the trapezoid block moves to enable the trapezoid rod to move to the other end, the other trapezoid block is extruded by the movement of the trapezoid rod to move to the other trapezoid block to move the trapezoid block to the direction close, trapezoidal piece removes meeting compression spring one, and until two sliders all with dial the needle contact, start the body, the driver plate drives and dials the needle and rotate, dials the needle and drives the slider rotation, and the slider drives the connecting pipe and rotates, and the connecting pipe drives first cylinder and rotates, and first cylinder drives the baffle and rotates, and the baffle drives second cylinder and rotates, and second cylinder drives the work piece and rotates, and the body grinds the second cylinder.

Preferably, two guide grooves are symmetrically formed in two ends of the connecting pipe, two guide blocks are fixedly arranged at the bottoms of the two sliding blocks, the guide blocks are located in the guide grooves, and the guide blocks are in sliding fit with the guide grooves.

By adopting the technical scheme, the sliding block can move according to the guide rail when moving due to the matching between the guide groove and the guide block, so that the sliding block is more stable when moving, and the shaking is reduced.

Preferably, an elastic block is fixedly arranged on one side of the sliding block.

By adopting the technical scheme, the poking needle is contacted with the sliding block through the elastic cushion, the hard contact between the poking needle of the body and the sliding block is avoided, and the elastic cushion plays a role in buffering.

Preferably, one end of the first column body, which is far away from the baffle plate, is provided with a conical groove.

By adopting the technical scheme, the groove is in contact with the thimble of the body, and the groove has a positioning effect, so that the thimble can be positioned at the central position of the first column body.

Preferably, a plurality of balls are embedded in the inner wall of the connecting pipe, and the balls are in rolling connection with the connecting pipe.

By adopting the technical scheme, the friction force between the trapezoidal rod and the connecting pipe is reduced by the balls, so that the trapezoidal rod is smoother when sliding.

Preferably, the inner wall of the connecting pipe is symmetrically provided with limiting grooves, the two sides of the trapezoidal rod are symmetrically provided with limiting blocks, the limiting blocks are located in the limiting grooves, and the limiting blocks are in sliding fit with the limiting grooves.

By adopting the technical scheme, the limit blocks are matched with the limit grooves, so that the trapezoidal rod cannot slide out of the moving rod when moving in the connecting pipe, and the limiting effect is achieved on the trapezoidal rod.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a cross-sectional view in elevation;

FIG. 3 is a cross-sectional view of a side view;

FIG. 4 is an enlarged partial view of A;

fig. 5 is a partial enlarged view of B.

Reference numerals: 1. a first column; 2. a connecting pipe; 3. a trapezoidal bar; 4. a slider; 5. a trapezoidal block; 6. a communicating hole; 7. a second spring; 8. a baffle plate; 9. connecting holes; 10. a bolt; 11. a second cylinder; 12. a guide groove; 13. a guide block; 14. an elastic block; 15. a groove; 16. a ball bearing; 17. a limiting groove; 18. a limiting block; 19. a body; 20. a dial; 21. a first thimble; 22. a second thimble; 23. setting a needle; 24. and a first spring.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also 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 such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 to 5, a tooling fixture for cylindrical grinding comprises a body 19, a dial plate 20 is arranged on the body 19, two dial pins 23 and a first ejector pin 21 are arranged on the dial plate 20, a second ejector pin 22 is arranged at the tail of the body 19, a first cylinder 1 is arranged at one end of the ejector pin, a conical groove 15 is formed in one end of the first cylinder 1, the inner surface of the groove 15 is attached to the outer surface of the ejector pin of the body 19, so that the ejector pin is located at the central position of the first cylinder 1 to play a role in positioning, a baffle 8 is fixedly arranged at one end of the first cylinder 1, and a second cylinder 11 is fixedly arranged at one end, far away from the first cylinder 1, of the baffle. The second column body 11 is connected with the workpiece, and the baffle 8 prevents the second column body 11 from penetrating too much and has a limiting effect on the workpiece.

The workpiece is connected to the second column 11 by a screw, and when the workpiece is set in the body 19, the two tips of the body 19 fix the workpiece.

The connecting pipe 2 penetrates through the outer side surface of the first cylinder 1, the connecting pipe 2 is fixedly connected with the first cylinder 1, the sliding blocks 4 are symmetrically arranged at two ends of the connecting pipe 2, the elastic block 14 is fixedly arranged at one side of each sliding block 4, the elastic cushion can be made of elastic materials such as super glue, the poking needle 23 is in contact with the sliding block 4 through the elastic cushion, the hard contact between the poking needle 23 of the body 19 and the sliding block 4 is avoided, the buffering effect is achieved through the elastic cushion, the service life of the poking needle 23 is prolonged, the limiting grooves 17 are symmetrically formed in the inner wall of the connecting pipe 2, the limiting blocks 18 are symmetrically formed in two sides of the trapezoidal rod 3, the limiting blocks 18 are located in the limiting grooves 17 and are in sliding fit with the limiting grooves 17, the sliding fit between the guide grooves 12 and the guide blocks 13 enables the sliding block 4 to move according to the guide rails when moving, the sliding block,

trapezoidal piece

5 and 4 bottom fixed connection of slider, the one end of trapezoidal piece 5 is provided with spring 24,

spring

24 and 2 inside wall fixed connection of connecting pipe.

After the workpiece is fixed, the body 19 is started, the drive plate 20 moves towards the first column body 1, the drive plate 20 drives the shifting needle 23 to move, the shifting needle 23 moves until meeting the elastic pad, the shifting needle continues to move, the sliding block 4 is pushed, and the sliding block 4 moves to drive the trapezoidal block 5 to move.

The inside of connecting pipe 2 is provided with trapezoidal pole 3, the inclined plane of trapezoidal piece 5 contacts with the inclined plane of trapezoidal pole 3, trapezoidal piece 5 can promote trapezoidal pole 3 and remove, 2 inner walls of connecting pipe are inlayed and are had a plurality of balls 16,

ball

16 and 2 roll connection of connecting pipe, ball 16 has reduced the frictional force between trapezoidal pole 3 and the connecting pipe 2 you, more smooth and easy when sliding of trapezoidal pole 3 that makes, two guide slot 12 have been seted up to the both ends symmetry of connecting pipe 2, the bottom of two sliders 4 is all fixed and is provided with two guide block 13, guide block 13 is located guide slot 12, and guide block 13 and guide slot 12 sliding fit. The cooperation between guide slot 12 and guide block 13 makes slider 4 can move according to the guide rail when removing for slider 4 removes more steadily, reduces and rocks.

When the trapezoidal block 5 moves, the trapezoidal rod 3 can be driven to move towards the other end, the movement of the trapezoidal rod 3 can push the other trapezoidal block 5 to move, the trapezoidal block 5 moves to compress the first spring 24, the trapezoidal block 5 moves to drive the sliding block 4 fixedly connected with the trapezoidal block 5 to move, and the sliding block 4 moves towards the direction close to the shifting needle 23 until the two shifting needles 23 simultaneously contact with the elastic block 14. Two setting needles 23 simultaneously apply force to the slide block 4, so that the slide block 4 is avoided.

Intercommunicating pore 6 has been seted up to the surface symmetry of one side of connecting pipe 2, and one side of connecting pipe 2 is provided with two springs two 7, and the both ends of two springs two 7 are connected with intercommunicating pore 6 and driver plate 20 respectively, and the synchronism when both ends spring two 7 can guarantee to dial needle 23 and grinding frock rotation, the breaking away from of needle 23 and grinding frock when avoiding the grinding.

Claims

1. The tooling clamp for cylindrical grinding comprises a body (19), wherein a driving plate (20) is arranged on the body (19), two driving pins (23) and a first ejector pin (21) are arranged on the driving plate (20), a second ejector pin (22) is arranged at the tail of the body (19), and the tooling clamp is characterized in that one end of the ejector pin is provided with a first cylinder (1), a connecting pipe (2) is arranged on the outer side surface of the first cylinder (1) in a penetrating manner, the connecting pipe (2) is fixedly connected with the first cylinder (1), a trapezoidal rod (3) is arranged inside the connecting pipe (2), the trapezoidal rod (3) is in sliding fit with the connecting pipe (2), sliding blocks (4) are symmetrically arranged at two ends of the connecting pipe (2), the sliding blocks (4) are in sliding fit with the connecting pipe (2), a trapezoidal block (5) is arranged at the bottom of each sliding block (4), a first spring (24) is arranged at one end of each trapezoidal block, spring one (24) and connecting pipe (2) inside wall fixed connection, the inclined plane of trapezoidal piece (5) contacts with the inclined plane of trapezoidal pole (3), intercommunicating pore (6) have been seted up to the surface symmetry of one side of connecting pipe (2), one side of connecting pipe (2) is provided with two springs two (7), two the both ends of spring two (7) are connected with intercommunicating pore (6) and driver plate (20) respectively, the fixed baffle (8) that is provided with of one end of first cylinder (1), two connecting holes (9) have been seted up to one side symmetry of baffle (8), two all wear to be equipped with bolt (10) in connecting hole (9), the fixed second cylinder (11) that is provided with of one end that first cylinder (1) was kept away from in baffle (8).

2. The tooling clamp for external grinding according to claim 1, wherein two guide grooves (12) are symmetrically formed in two ends of the connecting pipe (2), two guide blocks (13) are fixedly arranged at the bottoms of the two sliding blocks (4), the guide blocks (13) are positioned in the guide grooves (12), and the guide blocks (13) are in sliding fit with the guide grooves (12).

3. A tooling clamp for external grinding according to claim 1, characterized in that an elastic block (14) is fixedly arranged at one side of the sliding block (4).

4. The tooling clamp for external grinding according to claim 1, wherein a conical groove (15) is formed in one end of the first cylinder (1) far away from the baffle (8).

5. A tooling clamp for external grinding according to claim 1, characterized in that a plurality of balls (16) are embedded in the inner wall of the connecting pipe (2), and the balls (16) are connected with the connecting pipe (2) in a rolling manner.

6. The tooling clamp for cylindrical grinding according to claim 1, characterized in that the inner wall of the connecting pipe (2) is symmetrically provided with limiting grooves (17), the two sides of the trapezoidal rod (3) are symmetrically provided with limiting blocks (18), the limiting blocks (18) are positioned in the limiting grooves (17), and the limiting blocks (18) are in sliding fit with the limiting grooves (17).