CN112171336A

CN112171336A - Quick positioning and clamping device for metal cutting

Info

Publication number: CN112171336A
Application number: CN202011156072.7A
Authority: CN
Inventors: 陈红辉; 李建; 陈红林
Original assignee: Changde Feilmei Chemical Technology Co ltd
Current assignee: Changde Feilmei Chemical Technology Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-01-05

Abstract

The invention discloses a quick positioning and clamping device for metal cutting, which comprises a workbench and a placing table, wherein a plurality of second sliding grooves are symmetrically formed in the upper surface of the placing table, second screw rods are rotatably connected inside the second sliding grooves, two shaft sleeves are symmetrically sleeved and rotatably connected on the outer surface of each second screw rod, connecting rods are fixedly connected to the upper surfaces of the shaft sleeves, supporting plates are fixedly connected to the upper surfaces of the connecting rods, which are positioned outside the second sliding grooves, supporting rods are fixedly connected to one sides of the supporting plates, rotating shafts are fixedly connected to one ends of the supporting rods, which are far away from the supporting plates, and rotating wheels are rotatably connected to one ends of the rotating shafts, which are far away from the. According to the invention, one of the rotating handles is rotated to enable the rotating wheel to limit the movement of the processing workpiece in one direction, the other rotating handle is rotated to enable the rotating wheel to move relatively, so that the automatic alignment of the processing workpiece is realized, the rotating wheel can rotate, and the rolling friction is formed between the rotating wheel and the processing workpiece, so that the damage to the surface of the processing workpiece is reduced.

Description

Quick positioning and clamping device for metal cutting

Technical Field

The invention relates to the technical field of workpiece fixtures, in particular to a rapid positioning and clamping device for metal cutting.

Background

In industrial production, cutting, welding or other operations of a workpiece to be processed are often carried out, and the positioning and clamping devices are not separated during the operations, so that the devices for preventing the workpiece from generating displacement or vibration in the processing process are called clamping devices;

the existing universal fixture has poor repeated positioning precision, troublesome alignment operation on a machined workpiece and long clamping time, and the fixture capable of automatically aligning easily damages the surface of the machined workpiece during clamping.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a quick positioning and clamping device for metal cutting.

In order to achieve the purpose, the invention adopts the following technical scheme: a quick positioning and clamping device for metal cutting comprises a workbench and a placing table, wherein a supporting plate is fixedly connected to one side of the workbench, a motor is fixedly connected to the upper surface of the supporting plate, a first chute is formed in the outer surface of the workbench, a first screw rod is rotationally connected in the first chute, a connecting plate is rotationally connected to the outer surface of the first screw rod in a sleeved mode, a plurality of second chutes are symmetrically formed in the upper surface of the placing table, a second screw rod is rotationally connected to the inner portion of each second chute, two shaft sleeves are rotationally connected to the outer surface of each second screw rod in a sleeved mode, connecting rods are fixedly connected to the upper surfaces of the shaft sleeves, a supporting plate is fixedly connected to the upper surface of each connecting rod, which is located outside each second chute, a fixing block is fixedly connected to the outer surface of the supporting plate, a T-shaped chute is formed in the outer surface of, the one end fixedly connected with pivot that the backup pad was kept away from to the bracing piece, the one end that the bracing piece was kept away from in the pivot is rotated and is connected with the runner, the one end fixedly connected with bull stick that the second screw rod extended to the platform outside of placing, the one end that the second screw rod was kept away from to the bull stick is rotated and is connected with the turning handle.

As a further description of the above technical solution:

the runner has a certain elasticity.

As a further description of the above technical solution:

and the thread directions of the two ends of the second screw rod are opposite.

As a further description of the above technical solution:

and an output shaft of the motor is fixedly connected with one end of the first screw rod, which is positioned outside the workbench.

As a further description of the above technical solution:

the lower surface of the placing table is fixedly connected with one side, located outside the first sliding groove, of the connecting plate.

As a further description of the above technical solution:

and a spring is fixedly connected between the bottom of the T-shaped sliding groove and the supporting rod.

The invention has the following beneficial effects:

the quick positioning and clamping device for metal cutting processing rotates one of the rotating handles through the arranged second screw rod, the T-shaped sliding groove, the shaft sleeves, the rotating rods, the connecting rods, the supporting plates, the supporting rods, the rotating wheels and the rotating handles, the rotating handles rotate to drive the rotating rods to rotate, the rotating rods rotate to drive the second screw rods to rotate, the second screw rods rotate to drive the two shaft sleeves to move relatively, the shaft sleeves move to drive the connecting rods to move, the connecting rods move to drive the supporting plates to move, the supporting plates move to drive the supporting rods to move, and the supporting rods move to drive the rotating shafts to move, thereby driving the rotating wheel to move relatively, rotating the other rotating handle to make the rotating wheel move relatively, realizing automatic alignment of the processing workpiece, continuously rotating the rotating handle to make the supporting plate pressed into the T-shaped sliding groove, continuously moving the fixed block relatively to fix the processing workpiece, and the rotating wheel can rotate, and rolling friction is formed between the rotating wheel and the machined workpiece, so that the damage to the surface of the machined workpiece is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the present invention;

fig. 3 is a schematic structural diagram at a of the present invention.

Illustration of the drawings:

1. a work table; 2. a placing table; 3. a support plate; 4. a motor; 5. a first chute; 6. a first screw; 7. a connecting plate; 8. a second chute; 9. a second screw; 10. a shaft sleeve; 11. a connecting rod; 12. a support plate; 13. a fixed block; 14. a T-shaped chute; 15. a support bar; 16. a rotating shaft; 17. a rotating wheel; 18. a rotating rod; 19. a handle is rotated; 20. a spring.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a quick positioning and clamping device for metal cutting processing comprises a workbench 1 and a placing table 2, wherein one side of the workbench 1 is fixedly connected with a supporting plate 3, the upper surface of the supporting plate 3 is fixedly connected with a motor 4, the outer surface of the workbench 1 is provided with a first chute 5, the first chute 5 is rotationally connected with a first screw 6, the outer surface of the first screw 6 is sleeved with a connecting plate 7 in a rotating way, the upper surface of the placing table 2 is symmetrically provided with a plurality of second chutes 8, the inner part of each second chute 8 is rotationally connected with a second screw 9, the outer surface of each second screw 9 is symmetrically sleeved with two shaft sleeves 10 in a rotating way, the upper surface of each shaft sleeve 10 is fixedly connected with a connecting rod 11, the upper surface of each connecting rod 11 positioned outside the corresponding second chute 8 is fixedly connected with a supporting plate 12, the outer surface of each supporting plate 12 is fixedly connected with a fixed block 13, a supporting rod 15 is connected to the T-shaped sliding groove 14 in a sliding mode, one end, far away from the supporting plate 12, of the supporting rod 15 is fixedly connected with a rotating shaft 16, one end, far away from the supporting rod 15, of the rotating shaft 16 is rotatably connected with a rotating wheel 17, the second screw rod 9 extends to one end, far away from the outer side of the placing table 2, of a rotating rod 18, and one end, far away from the second screw rod 9, of the rotating rod 18 is rotatably connected.

The rotating wheel 17 has certain elasticity, so that the contact strength of the rotating wheel 17 and a machined workpiece is reduced, and the damage to the surface of the machined workpiece is reduced; the thread turning directions of the two ends of the second screw rod 9 are opposite, so that the shaft sleeve 10 sleeved on the second screw rod 9 can move relatively; an output shaft of the motor 4 is fixedly connected with one end of the first screw rod 6, which is positioned outside the workbench 1, and the motor 4 can drive the first screw rod 6 to rotate; the lower surface of the placing table 2 is fixedly connected with one side of the connecting plate 7 positioned outside the first sliding chute 5, and the placing table 2 can be driven to move when the connecting plate 7 moves; a spring 20 is fixedly connected between the bottom of the T-shaped chute 14 and the support rod 15, and the spring 20 can make the support rod 15 move under certain conditions.

The working principle is as follows: when the rapid positioning and clamping device for metal cutting machining is used, one of the rotating handles 19 is rotated, the rotating handle 19 rotates to drive the rotating rod 18 to rotate, the rotating rod 18 rotates to drive the second screw rod 9 to rotate, the second screw rod 9 rotates to drive the two shaft sleeves 10 to move relatively, the shaft sleeves 10 move to drive the connecting rod 11 to move, the connecting rod 11 moves to drive the supporting plate 12 to move, the supporting plate 12 moves to drive the supporting rod 15 and the fixed block 13 to move, the supporting rod 15 moves to drive the rotating shaft 16 to move relatively, the rotating wheel 17 is driven to move relatively, the other rotating handle 19 is rotated to drive the rotating wheel 17 to move relatively, automatic alignment of a machined workpiece is realized, the rotating handle 19 is continuously rotated to enable the supporting plate 12 to be pressed into the T-shaped sliding groove 14, the fixed block 13 continuously moves relatively to fix the machined workpiece, the motor 4.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a quick positioning and clamping device that metalcutting used, includes workstation (1) and places platform (2), its characterized in that: a supporting plate (3) is fixedly connected to one side of the workbench (1), a motor (4) is fixedly connected to the upper surface of the supporting plate (3), a first chute (5) is formed in the outer surface of the workbench (1), a first screw (6) is rotatably connected to the first chute (5), a connecting plate (7) is rotatably connected to the outer surface of the first screw (6) in a sleeved mode, a plurality of second chutes (8) are symmetrically formed in the upper surface of the placing table (2), a second screw (9) is rotatably connected to the inner portion of each second chute (8), two shaft sleeves (10) are rotatably connected to the outer surface of each second screw (9) in a sleeved mode, a connecting rod (11) is fixedly connected to the upper surface of each shaft sleeve (10), a supporting plate (12) is fixedly connected to the upper surface of each connecting rod (11) located outside each second chute (8), and a fixing block (13) is fixedly connected to the outer surface of each supporting plate, t shape spout (14) have been seted up to the surface of backup pad (12), sliding connection has bracing piece (15) in T shape spout (14), the one end fixedly connected with pivot (16) of backup pad (12) are kept away from in bracing piece (15), the one end rotation that bracing piece (15) were kept away from in pivot (16) is connected with runner (17), second screw rod (9) extend to the one end fixedly connected with bull stick (18) of placing the platform (2) outside, the one end rotation that second screw rod (9) were kept away from in bull stick (18) is connected with turning handle (19).

2. The quick positioning and clamping device for metal cutting machining according to claim 1, characterized in that: the runner (17) has a certain elasticity.

3. The quick positioning and clamping device for metal cutting machining according to claim 1, characterized in that: the thread directions of the two ends of the second screw rod (9) are opposite.

4. The quick positioning and clamping device for metal cutting machining according to claim 1, characterized in that: and an output shaft of the motor (4) is fixedly connected with one end of the first screw rod (6) positioned outside the workbench (1).

5. The quick positioning and clamping device for metal cutting machining according to claim 1, characterized in that: the lower surface of the placing table (2) is fixedly connected with one side, located outside the first sliding groove (5), of the connecting plate (7).

6. The quick positioning and clamping device for metal cutting machining according to claim 1, characterized in that: a spring (20) is fixedly connected between the bottom of the T-shaped sliding groove (14) and the supporting rod (15).