Internal supporting type mechanical clamp

Abstract

The utility model belongs to the technical field of mechanical clamps, and particularly relates to an inner supporting type mechanical clamp which comprises a supporting plate, a rotating plate is rotatably arranged on the outer side of the supporting plate, a fixing column is fixedly arranged on the outer side of the rotating plate, a sliding sleeve is slidably arranged on the outer side of the fixing column, a second shaft base is fixedly arranged on the outer side of the sliding sleeve, and a connecting rod is rotatably arranged on the outer side of the second shaft base. A first shaft base is rotationally arranged at the other end of the connecting rod, a clamping plate is fixedly arranged on the outer side of the first shaft base, a sliding column is fixedly arranged in the clamping plate, the outer side of the sliding column is sleeved with a limiting plate, and the outer side of the sliding column is sleeved with a first spring. The problems that in the using process, it is found that different specifications and models cannot be stably clamped and fixed, a workpiece is prone to loosening or falling off in the machining process, the workpiece is damaged, a large amount of time and energy are wasted, and the working efficiency is reduced are solved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of mechanical clamps, in particular to an inner support type mechanical clamp. BACKGROUND

[0002] The clamp refers to the device used to fix the machining object in the mechanical manufacturing process, so that it occupies the correct position to accept the construction or detection, also known as fixture, and in a broad sense, the device used to quickly, conveniently and safely install the workpiece in the process, can be called clamp.

[0003] At the same time, the application number is 201921799369.8, a kind of mechanical equipment inner support clamp, it is related to mechanical equipment inner support clamp field, including top hat, the one end of top hat is connected with fixed shaft, and the fixed shaft is fixed with mounting plate at the end away from top hat, the outer side of fixed shaft is uniformly provided with three groups of first hinged seat at the one end close to top hat, and three groups of movable rods are movably connected to fixed shaft by three groups of first hinged seat, the one end of movable rod away from first hinged seat is provided with connecting shaft.The application is provided with movable rod, fixed rod, support plate, movable block, cylinder and other structures, the movable block is driven by cylinder to slide on fixed shaft, the movable block drives fixed rod and movable rod to open or close, so as to tighten the object by support plate, the opening and closing range of this structure is large, the application range is wide, the rubber pad is arranged on the outer side of support plate, when the product is tightened by support plate, the rubber pad can increase the friction effect, and can prevent the product from being scratched.

[0004] However, in the implementation of the related technology, it is found that the above problems exist: a kind of mechanical equipment inner support clamp is found in use process cannot be stable clamping and fixing to different specifications and models, easy to cause workpiece loose or fall off in machining process, cause damage to workpiece, waste a lot of time and energy, reduce work efficiency. Practical new type content

[0005] The purpose of the application is to solve the problems of the prior art, and a kind of inner support type mechanical clamp is designed, which can be stable clamping and fixing to different specifications and models in use process, prevent workpiece loose or fall off in machining process, cause damage to workpiece, save a lot of time and energy, improve work efficiency.

[0006] In order to achieve the above purpose, the application provides the following technical scheme:

[0007] The utility model provides an inner support type mechanical clamp, including support plate, the outside of support plate rotates and is equipped with rotating plate, the outside of rotating plate is fixedly equipped with fixed column, the outside of fixed column is equipped with sliding sleeve, the outside of sliding sleeve is fixedly equipped with second shaft base, the outside of second shaft base rotates and is equipped with connecting rod, the other end of connecting rod rotates and is equipped with first shaft base, the outside of first shaft base is fixedly equipped with clamping plate.

[0008] Preferably, the inside of the clamping plate is fixedly provided with a sliding column, the outside of the sliding column is sleeved with a limiting plate, and the outside of the sliding column is sleeved with a first spring, and the other end of the first spring is attached to the outside of the limiting plate.

[0009] Preferably, the outside of the rotating plate is provided with a sliding groove, the inside of the sliding groove is slidably provided with a sliding block, and the outside of the sliding block is fixedly connected with the outside of the clamping plate.

[0010] Preferably, the inside of the fixed column is spirally rotatably provided with a threaded rod, and the other end of the threaded rod is fixedly provided with a limiting column.

[0011] Preferably, the outside of the threaded rod is sleeved with a second spring, and the other end of the second spring is attached to the outside of the fixed column.

[0012] Preferably, the other end of the rotation axis of the limiting column is fixedly provided with a hand wheel, and the hand wheel rotates on the outside of the sliding sleeve.

[0013] Preferably, the outside of the support plate is fixedly provided with a motor, and the output end of the motor is fixedly connected with the outside of the rotating plate through the support plate.

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] 1、The utility model discloses a clamping plate, first, the workpiece is sleeved on the outside of the clamping plate, the hand wheel rotates and drives the threaded rod on the outside of the limiting column to rotate, the threaded rod rotates in the inside of the fixed column and drives the sliding sleeve to slide, the sliding sleeve moves and drives the connecting rod to rotate, the connecting rod rotates and drives the clamping plate to move, the clamping plate moves, and the clamping plate clamps and positions the inner wall of the workpiece, so that different specifications and models can be stably clamped and fixed during use, the workpiece is prevented from loosening or falling off during machining, damage to the workpiece is prevented, a large amount of time and effort is saved, and the purpose of improving work efficiency is achieved.

[0016] 2、The utility model discloses a limiting plate, after the workpiece clamping is completed, the limiting plate is rotated upwards, the limiting plate is embedded with the recess groove on the top end of the clamping plate, the first spring is elastically deformed and drives the limiting plate to slide on the outside of the sliding column, the limiting plate is attached to the outside of the workpiece, and the purpose of secondary fixing of the workpiece is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the application;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the application;

[0019] Figure 3 It is a schematic diagram of the clamping plate structure of the application;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the clamping plate of the application.

[0021] In the figure: 1, support plate; 2, rotating plate; 3, sliding groove; 4, sliding block; 5, clamping plate; 6, sliding column; 7, limiting plate; 8, first spring; 9, first shaft base; 10, connecting rod; 11, second shaft base; 12, fixed column; 13, sliding sleeve; 14, threaded rod; 15, second spring; 16, hand wheel; 17, limiting column; 18, motor. DETAILED DESCRIPTION

[0022] As Figures 1 to 4 shown, an inner support type mechanical clamp, comprising a support plate 1, a rotating plate 2 is rotatably arranged on the outer side of the support plate 1, a fixed column 12 is fixedly arranged on the outer side of the rotating plate 2, a sliding sleeve 13 is slidably arranged on the outer side of the fixed column 12, a second shaft base 11 is fixedly arranged on the outer side of the sliding sleeve 13, a connecting rod 10 is rotatably arranged on the outer side of the second shaft base 11, a first shaft base 9 is rotatably arranged on the other end of the connecting rod 10, a clamping plate 5 is fixedly arranged on the outer side of the first shaft base 9, and the clamping plate 5 moves to clamp and limit the inner wall of the workpiece.

[0023] As a preferred mode, a sliding column 6 is fixedly arranged in the interior of the clamping plate 5, a limiting plate 7 is sleeved on the outer side of the sliding column 6, a first spring 8 is sleeved on the outer side of the sliding column 6, and the other end of the first spring 8 is in contact with the outer side of the limiting plate 7, the elastic deformation of the first spring 8 drives the limiting plate 7 to slide on the outer side of the sliding column 6, an L-shaped groove is formed in the top end of the clamping plate 5, and the limiting plate 7 slides in the L-shaped groove.

[0024] As a preferred mode, a sliding groove 3 is formed in the outer side of the rotating plate 2, and the shape of the sliding groove 3 is cross-shaped, so that the sliding block 4 can stably slide, the sliding block 4 is slidably arranged in the sliding groove 3, and the outer side of the sliding block 4 is fixedly connected with the outer side of the clamping plate 5, the movement of the clamping plate 5 drives the sliding block 4 to slide in the sliding groove 3 formed in the rotating plate 2.

[0025] As a preferred mode, a threaded rod 14 is helically rotatably arranged in the interior of the fixed column 12, a limiting column 17 is fixedly arranged on the other end of the threaded rod 14, the rotation of the limiting column 17 drives the threaded rod 14 to rotate, and the limiting column 17 is rotatably connected with the inner wall of the sliding sleeve 13.

[0026] As a preferred, the outer side of the threaded rod 14 is sleeved with a second spring 15, and the other end of the second spring 15 is attached to the outer side of the fixed column 12, and the second spring 15 is elastically deformed to stretch and contract.

[0027] As a preferred, the other end of the rotating shaft of the limiting column 17 is fixedly provided with a hand wheel 16, and the hand wheel 16 rotates on the outer side of the sliding sleeve 13, and the rotation of the hand wheel 16 drives the rotation of the limiting column 17.

[0028] As a preferred, the outer side of the support plate 1 is fixedly provided with a motor 18, and the output end of the motor 18 is fixedly connected to the outer side of the rotating plate 2 through the support plate 1, and the output end of the motor 18 rotates to drive the rotating plate 2 to rotate, and the rotating plate 2 rotates to drive the workpiece to rotate, thereby achieving the purpose of facilitating the machining of the workpiece.

[0029] Among them, the motor 18 is prior art, and will not be described again; at the same time, the present application also includes power supply, controller and switch, which are not the main technical points of the patent, and will not be described again; the "front, rear, left and right" visual angle of the device is taken as the reference direction of the drawing. Figure 1

[0030] Working principle: when the staff uses, first, the workpiece is sleeved on the outer side of the clamping plate 5, the staff rotates the hand wheel 16, the hand wheel 16 rotates to drive the limiting column 17 to rotate, the limiting column 17 rotates to drive the threaded rod 14 to rotate, the threaded rod 14 rotates in the inner side of the fixed column 12 to drive the sliding sleeve 13 to slide, the second spring 15 is elastically deformed to stretch and contract, the sliding sleeve 13 moves to drive the second shaft base 11 to move, the second shaft base 11 moves to drive the connecting rod 10 to rotate, the connecting rod 10 rotates to drive the clamping plate 5 on the outer side of the first shaft base 9 to move, the clamping plate 5 moves to drive the sliding block 4 to slide in the sliding slot 3 on the rotating plate 2, the clamping plate 5 clamps and positions the inner wall of the workpiece, after the workpiece is clamped and positioned, the limiting plate 7 is rotated upward to be embedded in the recess on the top end of the clamping plate 5, the first spring 8 is elastically deformed to stretch and contract, the first spring 8 is elastically deformed to drive the limiting plate 7 to slide on the outer side of the sliding column 6, and the limiting plate 7 is attached to the outer side of the workpiece, thereby achieving the purpose of secondary fixation of the workpiece, and the motor 18 on the outer side of the support plate 1 is started, the output end of the motor 18 rotates to drive the rotating plate 2 to rotate, and the rotating plate 2 rotates to drive the workpiece to rotate, thereby achieving the purpose of facilitating the machining of the workpiece.​

Claims

1. An inside-pulling mechanical clamp comprising a support plate (1), characterized in that, The outer side of the supporting plate (1) is rotationally provided with a rotating plate (2), the outer side of the rotating plate (2) is fixedly provided with a fixed column (12), the outer side of the fixed column (12) is slidably provided with a sliding sleeve (13), the outer side of the sliding sleeve (13) is fixedly provided with a second shaft base (11), the outer side of the second shaft base (11) is rotationally provided with a connecting rod (10), the other end of the connecting rod (10) is rotationally provided with a first shaft base (9), and the outer side of the first shaft base (9) is fixedly provided with a clamping plate (5).

2. An internally braced mechanical clamp according to claim 1, wherein, The inner side of the clamping plate (5) is fixedly provided with a sliding column (6), the outer side of the sliding column (6) is sleeved with a limiting plate (7), the outer side of the sliding column (6) is sleeved with a first spring (8), and the other end of the first spring (8) is attached to the outer side of the limiting plate (7).

3. An internally braced mechanical clamp according to claim 1, wherein, The outer side of the rotating plate (2) is provided with a sliding groove (3), the inner side of the sliding groove (3) is slidably provided with a sliding block (4), and the outer side of the sliding block (4) is fixedly connected with the outer side of the clamping plate (5).

4. An internally braced mechanical clamp according to claim 1, wherein, The inner side of the fixed column (12) is rotationally provided with a threaded rod (14), and the other end of the threaded rod (14) is fixedly provided with a limiting column (17).

5. An internally braced mechanical clamp according to claim 4, wherein, The outer side of the threaded rod (14) is sleeved with a second spring (15), and the other end of the second spring (15) is attached to the outer side of the fixed column (12).

6. An internally braced mechanical clamp according to claim 4, wherein, The other end of the rotating shaft of the limiting column (17) is fixedly provided with a hand wheel (16), and the hand wheel (16) is rotationally arranged on the outer side of the sliding sleeve (13).

7. An internally braced mechanical clamp according to claim 1, wherein, The outer side of the supporting plate (1) is fixedly provided with a motor (18), and the output end of the motor (18) is fixedly connected with the outer side of the rotating plate (2) penetrating through the supporting plate (1).

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