CN215240338U

CN215240338U - A clamping device for machine parts production

Info

Publication number: CN215240338U
Application number: CN202120828615.9U
Authority: CN
Inventors: 王秉红; 王树臣
Original assignee: Shandong Guoyu Machinery Technology Co ltd
Current assignee: Shandong Guoyu Machinery Technology Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-12-21
Anticipated expiration: 2031-04-22

Abstract

A clamping device for mechanical accessory production comprises a first flat plate, a second flat plate, a connecting column, a rotating column, a clamping component and a limiting component; the clamping assembly comprises a sliding rod, a mounting plate, a plurality of rods, a moving rod, a first spring, a first stop block, a second stop block and a second spring; in the utility model, the rotating column is arranged to be matched with the limiting component, the direction of the clamping component is changed, the clamping of a round workpiece is changed into the clamping of a square workpiece, the operation is simple, the equipment and time cost are saved, and the efficiency is improved; set up the centre gripping subassembly, can carry out the centre gripping to the circular work piece of equidimension not or square work piece, satisfy more service conditions, be applicable to more situations.

Description

A clamping device for machine parts production

Technical Field

The utility model relates to a machine parts produces clamping device technical field, especially relates to a clamping device for machine parts production.

Background

Machines are tool devices that help people to reduce work difficulty or save labor, and articles such as chopsticks, brooms, and tweezers can be called machines. The development of various engineering fields requires the development of mechanical engineering which is suitable for the development of the engineering fields and requires the mechanical engineering to provide necessary machinery. The production capacity can be effectively improved only by using the mechanical accessory clamping device and the production device in a combined manner on a mechanical production line. In the prior art, the clamping device for producing the mechanical parts is difficult to realize that the clamping device can clamp square workpieces and round workpieces, different clamping devices need to be replaced according to different workpiece shapes, the cost is increased, and the time is wasted.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

In order to solve the technical problems existing in the background technology, the utility model provides a clamping device for the production of mechanical fittings, which is provided with a rotating column, is matched with a limiting component, changes the direction of the clamping component, changes the clamping of a round workpiece into the clamping of a square workpiece, has simple operation, saves equipment and time cost, and improves the efficiency; set up the centre gripping subassembly, can carry out the centre gripping to the circular work piece of equidimension not or square work piece, satisfy more service conditions, be applicable to more situations.

(II) technical scheme

In order to solve the problems, the utility model provides a clamping device for the production of mechanical accessories, which comprises a first flat plate, a second flat plate, a connecting column, a rotating column, a clamping component and a limiting component; the first flat plate and the second flat plate are parallel; two ends of the connecting column are respectively connected with the first flat plate and the second flat plate; the four groups of rotating columns are arranged and surround the central circular array of the second flat plate, are perpendicular to the second flat plate, and are rotatably connected with the second flat plate at one end and penetrate through the first flat plate at the other end; the clamping assembly is arranged at one end, far away from the second flat plate, of the rotating column; the side wall of the rotating column is provided with a limiting component which limits the rotating column to rotate only; the clamping assembly comprises a sliding rod, a mounting plate, a plurality of rods, a moving rod, a first spring, a first stop block, a second stop block and a second spring; the sliding rod is arranged on the rotating column in a penetrating manner and is vertical to the rotating column; the rotating column is provided with a power component for driving the sliding rod to move along the direction vertical to the rotating column; one end of the sliding rod is provided with an installation plate parallel to the rotating column; a plurality of rods are arranged on one side of the mounting plate away from the sliding rod; the multi-section rod comprises a plurality of groups of rods which are sequentially and rotatably connected; the plurality of groups of rods are vertical to the rotating column, and rotating shafts among the plurality of groups of rods are parallel to the rotating column; the rods at the two ends of the multi-section rod are rotationally connected with the movable rod, and the rotating shaft is parallel to the rotating column; one end of the movable rod, which is far away from the multi-section rod, penetrates through the mounting plate, and a second stop block is arranged; the stop block is sleeved on the movable rod and positioned between the mounting plate and the multi-section rod; the spring is sleeved on the moving rod and positioned between the mounting plate and the first stop block; except for each group of rods at two ends of the multi-section rod, springs II are respectively arranged on the other groups of rods; and one end of the second spring, which is far away from the multi-section rod, is connected with the mounting plate.

Preferably, the limiting assembly comprises an arc-shaped plate and a screw; the arc-shaped plate is arranged on the side wall of the rotating column, and a first positioning hole and a second positioning hole are formed in the arc-shaped plate; the first positioning hole and the second positioning hole are circularly arrayed around the rotating column, and an included angle is formed between the first positioning hole and the second positioning hole; a screw hole is formed in the first flat plate at a position corresponding to the first positioning hole; the screw penetrates through the first positioning hole and is in threaded connection with the first flat plate through the screw hole.

Preferably, the power assembly comprises a screw rod, a turntable and a handle; the screw rod is parallel to the slide rod, penetrates through the rotating column and is in threaded connection with the rotating column, one end of the screw rod is rotatably connected with the mounting plate, and the other end of the screw rod is provided with a turntable; one side of the turntable, which is far away from the screw rod, is provided with a handle.

Preferably, a rotating support is arranged at the non-circle center of the turntable; one end of the handle is rotatably connected with the rotating support, and a rotating sleeve is sleeved on the handle; the rotating sleeve is rotatably connected with the handle.

Preferably, the mounting plate is provided with a fixing piece; one end of the screw rod is provided with a third stop block; the third stop block is rotatably arranged in the fixed part; one end of the sliding rod, which is far away from the mounting plate, is provided with a first sleeve; the screw rod penetrates through the first sleeve and is in rotating connection with the first sleeve.

Preferably, one end of the fixed part, which is close to the rotating column, is provided with a first rubber pad; one end of the first rubber pad, which is close to the rotating column, is provided with a cambered surface adaptive to the side wall of the rotating column; one end of the sleeve I, which is close to the rotating column, is provided with a rubber pad II; one end of the second rubber pad close to the rotating column is provided with a cambered surface adaptive to the side wall of the rotating column.

Preferably, a second sleeve is arranged on the side wall of the rotating column; the sleeve is sleeved on the sliding rod; the slide bar is provided with scales along the axial direction.

Preferably, the end of each group of rods in the multi-section rods, which is far away from the mounting plate, is provided with a third rubber pad.

The above technical scheme of the utility model has following profitable technological effect:

in the utility model, the water-saving device is provided with a water-saving valve,

1. the rotary columns are arranged and matched with the limiting assemblies, when the multiple sections of rods of the clamping assemblies on two opposite groups of rotary columns are opposite, the circular workpiece can be clamped by four groups of clamping assemblies, the multiple sections of rods are bent and attached to the side wall of the circular workpiece, the rotary columns rotate for 45 degrees, when the multiple sections of rods of the clamping assemblies on the adjacent rotary columns are opposite, the square workpiece is clamped by two pairs of opposite multiple sections of rods, the operation is simple, the equipment cost and the time cost are saved, and the efficiency is improved;

2. set up the centre gripping subassembly, utilize the carousel drive lead screw to remove to drive mounting panel and multisection pole and remove, can carry out the centre gripping to not unidimensional circular workpiece or square workpiece, satisfy more service conditions, be applicable to more circumstances, be provided with the scale on the slide bar, be convenient for fix a position the work piece of centre gripping.

Drawings

Fig. 1 is a schematic structural diagram of a clamping device for machine part production according to the present invention.

Fig. 2 is a partial side sectional view of the clamping device for machine part production according to the present invention.

Fig. 3 is a partial enlarged view of a position a in the clamping device for the production of mechanical parts according to the present invention.

Fig. 4 is a partial enlarged view of a portion B of the clamping device for machine part production according to the present invention.

Fig. 5 is a partial enlarged view of the position C of the clamping device for the production of mechanical parts according to the present invention.

Reference numerals: 1. a first flat plate; 2. a second flat plate; 3. connecting columns; 4. rotating the column; 5. a slide bar; 6. mounting a plate; 7. a multi-section rod; 8. a travel bar; 9. a first spring; 10. a first stop block; 11. a second stop block; 12. a second spring; 13. an arc-shaped plate; 14. a first positioning hole; 15. a screw; 16. a second positioning hole; 17. a screw rod; 18. A turntable; 19. a handle; 20. rotating the support; 21. rotating the sleeve; 22. a fixing member; 23. a third stop block; 24. A first sleeve; 25. a first rubber pad; 26. a second rubber pad; 27. a second sleeve; 28. and a third rubber pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-5, the clamping device for the production of mechanical parts provided by the present invention comprises a first flat plate 1, a second flat plate 2, a connecting column 3, a rotating column 4, a clamping component and a limiting component; the first plate 1 and the second plate 2 are parallel; two ends of the connecting column 3 are respectively connected with the first flat plate 1 and the second flat plate 2; four groups of rotating columns 4 are arranged and surround the central circular array of the second flat plate 2, the four groups of rotating columns 4 are perpendicular to the second flat plate 2, one end of each rotating column is rotatably connected with the second flat plate 2, and the other end of each rotating column penetrates through the first flat plate 1; the clamping component is arranged at one end of the rotating column 4 far away from the second flat plate 2; a limiting component for limiting the rotation of the rotating column 4 to only 45 degrees is arranged on the side wall of the rotating column 4; the clamping assembly comprises a sliding rod 5, a mounting plate 6, a multi-section rod 7, a moving rod 8, a first spring 9, a first stop block 10, a second stop block 11 and a second spring 12; the sliding rod 5 is arranged on the rotating column 4 in a penetrating way and is vertical to the rotating column 4; the rotating column 4 is provided with a power component for driving the sliding rod 5 to move along the direction vertical to the rotating column 4; one end of the sliding rod 5 is provided with an installation plate 6 parallel to the rotating column 4; a multi-section rod 7 is arranged on one side of the mounting plate 6, which is far away from the sliding rod 5; the multi-section rod 7 comprises a plurality of groups of rods which are sequentially and rotatably connected; the plurality of groups of rods are vertical to the rotating column 4, and rotating shafts among the plurality of groups of rods are parallel to the rotating column 4; the rods at the two ends of the multi-section rod 7 are rotatably connected with a movable rod 8, and the rotating shaft is parallel to the rotating column 4; one end of the movable rod 8, which is far away from the multi-section rod 7, penetrates through the mounting plate 6, and a second stop block 11 is arranged; the first stop block 10 is sleeved on the movable rod 8 and is positioned between the mounting plate 6 and the multi-section rod 7; the first spring 9 is sleeved on the moving rod 8 and is positioned between the mounting plate 6 and the first stop block 10; except for each group of rods at two ends of the multi-section rod 7, the rest groups of rods are respectively provided with a second spring 12; the end of the second spring 12 away from the multi-section rod 7 is connected with the mounting plate 6.

In an alternative embodiment, the stop assembly comprises an arcuate plate 13 and a screw 15; the arc-shaped plate 13 is arranged on the side wall of the rotating column 4, and a first positioning hole 14 and a second positioning hole 16 are formed in the arc-shaped plate 13; the first positioning hole 14 and the second positioning hole 16 are circularly arrayed around the rotating column 4, and an included angle between the first positioning hole 14 and the second positioning hole 16 is 45 degrees; a screw hole is formed in the first flat plate 1 at a position corresponding to the first positioning hole 14; the screw penetrates through the positioning hole I14 and is in threaded connection with the flat plate I1 through a screw hole.

In an alternative embodiment, the power assembly comprises a lead screw 17, a dial 18 and a handle 19; the screw rod 17 is parallel to the slide rod 5, penetrates through the rotating column 4 and is in threaded connection with the rotating column 4, one end of the screw rod 17 is rotatably connected with the mounting plate 6, and the other end of the screw rod 17 is provided with a turntable 18; the side of the rotary disc 18 far away from the screw rod 17 is provided with a handle 19.

In an alternative embodiment, the turntable 18 is provided with a rotating support 20 at a non-center position; one end of the handle 19 is rotatably connected with a rotating support 20, and a rotating sleeve 21 is sleeved on the handle 19; the rotating sleeve 21 is rotatably connected with the handle 19.

In an alternative embodiment, the mounting plate 6 is provided with a fixing member 22; one end of the screw rod 17 is provided with a third stop dog 23; the third stop 23 is rotatably arranged inside the fixing part 22; one end of the sliding rod 5, which is far away from the mounting plate 6, is provided with a first sleeve 24; the screw rod 17 penetrates through the first sleeve 24 and is rotatably connected with the first sleeve 24.

In an alternative embodiment, a rubber pad 25 is arranged at one end of the fixed part 22 close to the rotating column 4; one end of the rubber pad I25 close to the rotating column 4 is provided with a cambered surface which is matched with the side wall of the rotating column 4; one end of the first sleeve 24 close to the rotating column 4 is provided with a second rubber pad 26; one end of the second rubber pad 26 close to the rotating column 4 is provided with a cambered surface matched with the side wall of the rotating column 4.

In an alternative embodiment, a second sleeve 27 is arranged on the side wall of the rotating column 4; the second sleeve 27 is sleeved on the sliding rod 5; the slide bar 5 is provided with scales along the axial direction.

In an alternative embodiment, the ends of the sets of rods 7 remote from the mounting plate 6 are provided with rubber pads three 28.

The working principle of the device is that when the multiple rods 7 in the clamping assemblies on the two opposite groups of rotating columns 4 are opposite, the rotating disc 18 is rotated, the driving screw rod 17 drives the multiple rods 7 to approach to the center of the first flat plate 1, the multiple rods 7 contact with the side wall of the circular workpiece and then bend, the first spring 9 and the second spring 12 are compressed, and the rods of each group are attached to the side wall of the circular workpiece under the action of the first spring 9 and the second spring 12, so that the four groups of clamping assemblies are used for clamping the circular workpiece; the screw 15 is unscrewed, and after the rotating column 4 rotates for 45 degrees, the screw 15 penetrates through the second positioning hole 16 and is connected with the screw hole to fix the rotating column 4; at the moment, the clamping assemblies on the adjacent rotating columns 4 are opposite in pairs, the two groups of multi-section rods 7 in the clamping assemblies opposite in pairs are driven to approach each other by the rotary table 18 and the screw rod 17, the multi-section rods 7 are attached to the side wall of the square workpiece, and the device can clamp the square workpiece.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A clamping device for mechanical accessory production is characterized by comprising a first flat plate (1), a second flat plate (2), a connecting column (3), a rotating column (4), a clamping component and a limiting component; the first flat plate (1) is parallel to the second flat plate (2); two ends of the connecting column (3) are respectively connected with the first flat plate (1) and the second flat plate (2); four groups of rotating columns (4) are arranged and surround the central circular array of the second flat plate (2), the four groups of rotating columns (4) are perpendicular to the second flat plate (2), one end of each rotating column is rotatably connected with the second flat plate (2), and the other end of each rotating column penetrates through the first flat plate (1); the clamping assembly is arranged at one end, far away from the second flat plate (2), of the rotating column (4); a limiting component for limiting the rotation of the rotating column (4) to only 45 degrees is arranged on the side wall of the rotating column (4);

the clamping assembly comprises a sliding rod (5), a mounting plate (6), a multi-section rod (7), a moving rod (8), a first spring (9), a first stop block (10), a second stop block (11) and a second spring (12); the sliding rod (5) is arranged on the rotating column (4) in a penetrating way and is vertical to the rotating column (4); the rotating column (4) is provided with a power component for driving the sliding rod (5) to move along the direction vertical to the rotating column (4); one end of the sliding rod (5) is provided with an installation plate (6) which is parallel to the rotating column (4); a multi-section rod (7) is arranged on one side of the mounting plate (6) far away from the sliding rod (5); the multi-section rod (7) comprises a plurality of groups of rods which are sequentially and rotatably connected; the groups of rods are vertical to the rotating column (4), and rotating shafts among the groups of rods are parallel to the rotating column (4); the rods at the two ends of the multi-section rod (7) are rotatably connected with a movable rod (8), and the rotating shaft is parallel to the rotating column (4); one end of the movable rod (8) far away from the multi-section rod (7) penetrates through the mounting plate (6) and is provided with a second stop block (11); the first stop block (10) is sleeved on the movable rod (8) and is positioned between the mounting plate (6) and the multi-section rod (7); the first spring (9) is sleeved on the moving rod (8) and is positioned between the mounting plate (6) and the first stop block (10); except for each group of rods at two ends of the multi-section rod (7), the rest groups of rods are respectively provided with a second spring (12); one end of the second spring (12) far away from the multi-section rod (7) is connected with the mounting plate (6).

2. Clamping device for the production of mechanical accessories according to claim 1, characterized in that the limiting assembly comprises an arc-shaped plate (13) and a screw (15); the arc-shaped plate (13) is arranged on the side wall of the rotating column (4), and a first positioning hole (14) and a second positioning hole (16) are formed in the arc-shaped plate (13); the first positioning hole (14) and the second positioning hole (16) are circularly arrayed around the rotating column (4), and an included angle between the first positioning hole (14) and the second positioning hole (16) is 45 degrees; a screw hole is formed in the first flat plate (1) at a position corresponding to the first positioning hole (14); the screw penetrates through the first positioning hole (14) and is in threaded connection with the first flat plate (1) through the screw hole.

3. Clamping device for the production of mechanical accessories according to claim 1, characterized in that the power assembly comprises a screw (17), a turntable (18) and a handle (19); the screw rod (17) is parallel to the slide rod (5), penetrates through the rotating column (4) and is in threaded connection with the rotating column (4), one end of the screw rod (17) is rotatably connected with the mounting plate (6), and the other end of the screw rod is provided with a turntable (18); a handle (19) is arranged on one side of the turntable (18) far away from the screw rod (17).

4. Clamping device for the production of mechanical accessories according to claim 3, characterized in that the turntable (18) is provided with a rotating support (20) at a non-centre; one end of the handle (19) is rotatably connected with the rotating support (20), and the handle (19) is sleeved with a rotating sleeve (21); the rotating sleeve (21) is rotatably connected with the handle (19).

5. Clamping device for the production of mechanical accessories according to claim 3, characterized in that the mounting plate (6) is provided with a fixing element (22); one end of the screw rod (17) is provided with a third stop block (23); the third stop block (23) is rotatably arranged in the fixing piece (22); one end of the sliding rod (5) far away from the mounting plate (6) is provided with a first sleeve (24); the screw rod (17) penetrates through the first sleeve (24) and is rotatably connected with the first sleeve (24).

6. A clamping device for the production of mechanical fittings according to claim 5, characterized in that the fixed part (22) is provided with a first rubber pad (25) near one end of the rotating column (4); one end of the first rubber pad (25) close to the rotating column (4) is provided with a cambered surface which is matched with the side wall of the rotating column (4); one end of the first sleeve (24) close to the rotating column (4) is provided with a second rubber pad (26); one end of the second rubber pad (26) close to the rotating column (4) is provided with a cambered surface which is matched with the side wall of the rotating column (4).

7. The clamping device for the production of mechanical fittings according to claim 1, wherein a second sleeve (27) is arranged on the side wall of the rotating column (4); the sleeve II (27) is sleeved on the sliding rod (5); the slide bar (5) is provided with scales along the axial direction.

8. Clamping device for the production of mechanical fittings according to claim 1, characterized in that the ends of the sets of bars (7) remote from the mounting plate (6) are provided with a rubber gasket three (28).