CN214264736U

CN214264736U - Machining clamp convenient to replace

Info

Publication number: CN214264736U
Application number: CN202022989812.7U
Authority: CN
Inventors: 田太伟; 李红军; 殷小马
Original assignee: Jiangsu Shanli Jinggong Technology Co ltd
Current assignee: Jiangsu Shanli Jinggong Technology Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-09-24
Anticipated expiration: 2030-12-11

Abstract

The utility model relates to the technical field of processing clamps, and discloses a processing clamp convenient to replace, which solves the problems that the fixing mode of the clamp on the current market to a circular part is too simple and the fixing to a plurality of directions of the part can not be carried out simultaneously, and comprises a workbench, a base is fixedly arranged at the top of the workbench, an inner cavity is arranged in the base, four support rods are uniformly and fixedly connected at the bottom of the inner cavity inner wall, grooves are arranged on four sides of the inner cavity inner wall, threaded rods are movably inserted at the top ends of the four support rods, one ends of the four threaded rods are rotatably inserted in the grooves, a second gear is fixedly connected at one end of the four threaded rods far away from the grooves, a support tube is fixedly arranged in the middle of the bottom of the inner cavity, the utility model can stably fix the circular part and can simultaneously fix the part in a plurality of directions, saves a large amount of time and improves the working efficiency.

Description

Machining clamp convenient to replace

Technical Field

The utility model belongs to the technical field of the adds clamping apparatus, specifically be a add clamping apparatus convenient to change.

Background

The jig is a device for fixing a processing object to a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig.

But the common anchor clamps of department still have inconvenient place when using in the existing market, and common anchor clamps are when fixing the end to circular shape part, and the mode is too simple, fixed insecure situation appears easily to general anchor clamps need progressively fix the different directions of part when fixing the part, can not fix simultaneously a plurality of directions of part, consume a large amount of time, have reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a add clamping apparatus convenient to change, the effectual anchor clamps that have solved on the existing market are too simple to the fixed mode of circular shape part to and can not carry out the problem fixed simultaneously to a plurality of directions of part.

In order to achieve the above object, the utility model provides a following technical scheme: a processing clamp convenient to replace comprises a workbench, wherein a base is fixedly arranged at the top of the workbench, an inner cavity is formed in the base, four supporting rods are uniformly and fixedly connected to the bottom of the inner wall of the inner cavity, grooves are formed in four side surfaces of the inner wall of the inner cavity, threaded rods are movably inserted into the top ends of the four supporting rods, one ends of the four threaded rods are rotatably inserted into the grooves, one ends of the four threaded rods, which are far away from the grooves, are fixedly connected with second gears, a supporting tube is fixedly arranged in the middle of the bottom of the inner cavity, a rotating rod is movably inserted into the supporting tube, a first gear is fixedly connected to the top end of the rotating rod, a rotating handle is fixedly connected to the bottom end of the rotating rod, four through holes are uniformly formed in the top of the base, and connecting rods are all in threaded connection with the outer parts of the four threaded rods, four the top of connecting rod all the rigid coupling has the splint.

Furthermore, the top ends of the connecting rods penetrate through the corresponding through holes and extend to the outside of the base.

Further, an arc-shaped groove is formed in the side face of the clamping plate, and anti-skidding lines are arranged on the inner wall of the arc-shaped groove.

Furthermore, four semicircular grooves are uniformly formed in the top of the supporting tube, and rolling balls are movably mounted inside the four semicircular grooves.

Furthermore, an annular groove is formed in the bottom of the first gear, and the upper half part of the rolling ball is rotatably connected in the annular groove.

Further, the outer wall of the first gear is in meshed connection with the outer walls of the four second gears.

Compared with the prior art, the beneficial effects of the utility model are that:

1) during work, the round part to be machined is placed in the middle of the base, the rotating handle is screwed, the connecting rod slides in the through hole, the clamping plate is displaced above the base and gradually approaches to the center of the base, finally, the round part is tightly clamped on the base through the clamping plates in four directions, the side face of the clamping plate is provided with the anti-slip lines in the arc-shaped grooves, so that the friction force between the part and the clamping plate can be increased, the part is fixed more stably, and machining errors caused by looseness during part machining are prevented;

2) the utility model discloses a handle, including the bracing piece, the bracing piece is connected with the base, the top of bracing piece top half-slot is rotated, make the dwang drive first gear rotate in the top of stay tube, the ball that rolls in the half slot of stay tube top rolls in the ring channel of first gear bottom, first gear is connected and drives four second gears and rotate with four second gear meshing, the rotation of second gear makes the threaded rod carry out the screw thread in the bottom of connecting rod and rotates, let the connecting rod remove in the through-hole, the splint that drive the top draw close to the centre of base, carry out diversified fixing to the part on the base simultaneously, the operating time who saves, the work efficiency of improvement, and the part that needs processing is conveniently changed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention from the top;

FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

fig. 4 is a schematic view of the top view of the partial cross-sectional structure of the present invention;

in the figure: 1. a work table; 2. a base; 3. an inner cavity; 4. supporting a tube; 5. rotating the rod; 6. rotating the grip; 7. a first gear; 8. a rolling ball; 9. a support bar; 10. a threaded rod; 11. a groove; 12. a second gear; 13. a connecting rod; 14. a through hole; 15. a splint; 16. a semicircular groove; 17. an annular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1-4, the utility model comprises a workbench 1, a base 2 is fixedly installed on the top of the workbench 1, an inner cavity 3 is formed inside the base 2, four support rods 9 are uniformly and fixedly connected to the bottom of the inner wall of the inner cavity 3, the support rods 9 can support the threaded rods 10, grooves 11 are formed on four sides of the inner wall of the inner cavity 3, the threaded rods 10 are movably inserted at the top ends of the four support rods 9, one ends of the four threaded rods 10 are rotatably inserted inside the grooves 11, and can limit the positions of the threaded rods 10, second gears 12 are fixedly connected to the ends of the four threaded rods 10 far away from the grooves 11, a support tube 4 is fixedly installed in the middle of the bottom of the inner cavity 3, a rotating rod 5 is movably inserted inside the support tube 4, a first gear 7 is fixedly connected to the top end of the rotating rod 5, and a rotating handle 6 is fixedly connected to the bottom end of the rotating rod 5, four through-holes 14 have evenly been seted up at the top of base 2, and the equal threaded connection in outside of four threaded rods 10 has connecting rod 13, and the equal rigid coupling in top of four connecting rod 13 has splint 15.

In the second embodiment, on the basis of the first embodiment, the top ends of the connecting rods 13 all penetrate through the corresponding through holes 14 and extend to the outside of the base 2, the rotation of the threaded rod 10 enables the connecting rods 13 to move on the threaded rod 10, and the connecting rods 13 move in the through holes 14, so that the clamping plates 15 clamp the parts.

Third, on the basis of first embodiment, the arc wall has been seted up to splint 15's side, and the inner wall of arc wall is equipped with anti-skidding line, and the arc wall can press from both sides tightly circular shape part, and anti-skidding line can increase the frictional force between splint 15 and the circular shape part, prevents that the circular shape part is not hard up.

In the fourth embodiment, on the basis of the first embodiment, four semicircular grooves 16 are uniformly formed in the top of the supporting tube 4, and rolling balls 8 are movably mounted inside the four semicircular grooves 16.

Fifth embodiment, on the basis of fourth embodiment, annular groove 17 is seted up at the bottom of first gear 7, and the upper half of rolling ball 8 rotates in annular groove 17 and connects, and rolling ball 8 can play the effect of support to first gear 7 to can also reduce the area of contact between first gear 7 and stay tube 4, reduce frictional force.

Sixth embodiment, on the basis of the first embodiment, the outer wall of the first gear 7 is engaged with the outer walls of the four second gears 12, and the four second gears 12 are rotated by the rotation of the first gear 7, so as to drive the clamping plate 15.

The working principle is as follows: in operation, put the intermediate position of base 2 through the circular part that will process, then move through twisting and rotate handle 6, make connecting rod 13 slide in through-hole 14, let splint 15 carry out the displacement in the top of base 2, and draw close to the central point of base 2 gradually, splint 15 through four directions at last, clamp circular part tightly on base 2, there is anti-skidding line in the arc wall that splint 15 side was seted up, can increase the frictional force between part and the splint 15, make the fixed more firm of part.

Through twisting the rotation handle 6, make dwang 5 drive first gear 7 and rotate in the top of stay tube 4, the roll ball 8 in the 4 top half slot 16 of stay tube rolls in the ring channel 17 of first gear 7 bottom, first gear 7 is connected and drives four second gears 12 and rotate with the meshing of four second gears 12, the rotation of second gear 12 makes threaded rod 10 carry out the screw thread rotation in the bottom of connecting rod 13, let connecting rod 13 remove in through-hole 14, splint 15 that drive the top draw close to base 2's centre, carry out diversified fixing to the part on the base 2 simultaneously.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a add clamping apparatus convenient to change, includes workstation (1), its characterized in that: the top of the workbench (1) is fixedly provided with a base (2), an inner cavity (3) is formed in the base (2), four supporting rods (9) are uniformly and fixedly connected to the bottom of the inner wall of the inner cavity (3), four side faces of the inner wall of the inner cavity (3) are respectively provided with a groove (11), threaded rods (10) are movably inserted at the top ends of the four supporting rods (9), one ends of the four threaded rods (10) are rotatably inserted in the grooves (11), one ends of the four threaded rods (10) far away from the grooves (11) are respectively and fixedly connected with a second gear (12), a support pipe (4) is fixedly arranged in the middle of the bottom of the inner cavity (3), a rotating rod (5) is movably inserted in the support pipe (4), the top end of the rotating rod (5) is fixedly connected with a first gear (7), and a rotating handle (6) is fixedly connected to the bottom end of the rotating rod (5), four through-holes (14), four have evenly been seted up at the top of base (2) the equal threaded connection in outside of threaded rod (10) has connecting rod (13), four the equal rigid coupling in top of connecting rod (13) has splint (15).

2. The machining jig convenient to replace of claim 1, characterized in that: the top ends of the connecting rods (13) penetrate through the corresponding through holes (14) and extend to the outside of the base (2).

3. The machining jig convenient to replace of claim 1, characterized in that: the side of the clamping plate (15) is provided with an arc-shaped groove, and the inner wall of the arc-shaped groove is provided with anti-skidding lines.

4. The machining jig convenient to replace of claim 1, characterized in that: four semicircular grooves (16) are uniformly formed in the top of the supporting tube (4), and rolling balls (8) are movably mounted inside the four semicircular grooves (16).

5. The machining jig convenient to replace of claim 4, wherein: an annular groove (17) is formed in the bottom of the first gear (7), and the upper half part of the rolling ball (8) is rotatably connected in the annular groove (17).

6. The machining jig convenient to replace of claim 1, characterized in that: the outer wall of the first gear (7) is in meshed connection with the outer walls of the four second gears (12).