CN219358018U

CN219358018U - Fine boring hydraulic clamp

Info

Publication number: CN219358018U
Application number: CN202320524030.7U
Authority: CN
Inventors: 曹飞; 周旭辉
Original assignee: Henan Bonuli Electromechanical Equipment Manufacturing Co ltd
Current assignee: Henan Bonuli Electromechanical Equipment Manufacturing Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-07-18
Anticipated expiration: 2033-03-17

Abstract

The utility model belongs to the technical field of fine boring, in particular to a fine boring hydraulic clamp, aiming at the problems that a worker needs to lock a screw by a spanner every time a clamp is used in the prior art, the auxiliary time and the labor intensity of the worker are increased, the centering and clamping functions are not strong, the positioning is inaccurate and the product quality is low due to the fact that the tool mode is usually low, the scheme is provided that the hydraulic clamp comprises a workbench, rectangular sleeves are fixedly arranged on the front side of the workbench, the number of the sleeves is four, the inner sides of the four sleeves are all in sliding connection with the clamps, and extension springs are fixedly arranged on the four clamps and fixedly connected with the inner sides of the sleeves, and the hydraulic clamp comprises the following components: the hydraulic cylinder is started to push the right side to approach the center, and then the other three clamps can be tightened through the reel and the winch rope, so that the three clamps approach each other, and the workpiece is centered and clamped.

Description

Fine boring hydraulic clamp

Technical Field

The utility model relates to the technical field of fine boring, in particular to a fine boring hydraulic clamp.

Background

The fixture is used to fix the machining object in the correct position during the machining process to accept the construction or detection. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in the process may be referred to as a fixture. In the field of machining, the inner circle subjected to finish boring is used as a reference of a subsequent finish machining outer circle process, and high shape precision and position precision are required, so that the finish boring process is a key up-and-down process. The prior fine boring tool has a structure that an inner cavity of a fine boring die is provided with an insert, an upper waistband and a lower waistband of a semi-finished clamping piece are positioned by the insert, and a shoulder table top is supported by three clamping pieces which are uniformly distributed along the circumference.

However, in the prior art, each time the clamp piece needs a spanner to lock a screw by a worker when the clamp is used, the auxiliary time and the labor intensity of the worker are increased, the clamp is not fast, and meanwhile, the centering and clamping functions of the tool mode are often not strong, so that the positioning is inaccurate, and the product quality is not high.

Disclosure of Invention

The utility model aims to solve the defects that in the prior art, a worker needs to lock a screw by using a spanner every time a clamp is used, the auxiliary time and the labor intensity of the worker are increased, and the centering and clamping functions are often not strong in the tool mode, so that the positioning is inaccurate and the product quality is low.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a finish boring hydraulic clamp, includes the workstation, the front side fixed mounting of workstation has the sleeve pipe that is the rectangle and arranges, sheathed tube quantity is four, and four sheathed tube inboard all sliding connection have anchor clamps, all fixed mounting has extension spring on four anchor clamps, extension spring and sheathed tube inboard fixed connection, the front side of four anchor clamps all rotates and is connected with the guide pulley, the front side fixed mounting of workstation has the pneumatic cylinder, the right side fixed mounting of pneumatic cylinder has the link, the rack is installed to the top valley of link, the front side rotation of workstation is connected with the reel, the front side fixed mounting of reel has the gear, the gear meshes with the rack, fixed mounting has the twisted rope on the reel, the twisted rope cover is established on the guide pulley, the front side of workstation is equipped with control mechanism and positioning mechanism respectively, positioning mechanism cooperates with control mechanism and link respectively.

Preferably, the control mechanism comprises a positioning frame, a positioning spring and a fixing block, wherein the positioning frame is fixedly connected with the positioning spring, the positioning frame is slidably connected to the top of the workbench, the positioning spring is fixedly connected with the fixing block, and the fixing block is fixedly connected with the workbench.

Furthermore, after the locating frame is meshed with the connecting frame, the locating frame can connect the workbench with the connecting frame to block the connecting frame from moving, the connecting frame can be located on the front side of the workbench, and the locating of the left-side position clamp and the gear can be achieved.

Preferably, the positioning mechanism comprises a handle and a positioning rod, wherein the handle is rotatably connected to the front side of the workbench, the handle is matched with the positioning frame, and the handle is in sliding connection with the positioning rod.

Further, after the handle is controlled to rotate, the handle can control the positioning frame to move downwards, so that the positioning frame can be separated from the connecting frame, the unlocking of the connecting frame can be realized, and then the clamp and the gear can be unlocked.

Preferably, a round rod is fixedly arranged on the inner side of the handle, and the round rod is in sliding contact with the positioning frame.

Further, after the handle is rotated, the handle can drive the round rod to rotate, so that the round rod is in contact with the locating rack, and the locating rack can be pressed downwards to separate the locating rack from the connecting rack, and unlocking of the connecting rack is achieved.

Preferably, a plurality of equally spaced positioning grooves are formed in the bottom of the connecting frame, a plurality of equally spaced positioning blocks are fixedly arranged at the top of the positioning frame, and the outer sides of the positioning blocks are in sliding contact with the inner walls of the positioning grooves.

Furthermore, after the positioning block is inserted into the positioning groove, the positioning block can block the connecting frame from moving, so that the positioning of the connecting frame can be realized.

Preferably, a fixing plate is fixedly arranged on the front side of the workbench, and the inner side of the positioning rod is in sliding contact with the outer side of the bottom of the fixing plate.

Furthermore, after the positioning rod is contacted with the fixing plate, the positioning rod can stop the handle from rotating, so that the handle can be positioned.

The beneficial effects are that:

1. after the locating rack is meshed with the connecting rack, the locating rack can connect the workbench with the connecting rack to block the connecting rack from moving, the connecting rack can be located on the front side of the workbench, and the locating of the left-side position clamp and the gear can be achieved;

2. after the handle is controlled to rotate, the handle can control the positioning frame to move downwards, so that the positioning frame can be separated from the connecting frame, the unlocking of the connecting frame can be realized, and then the clamp and the gear can be unlocked;

in the utility model, the following components are added: the hydraulic cylinder is started to push the right side to approach the center, and then the other three clamps can be tightened through the reel and the winch rope, so that the three clamps approach each other, and the workpiece is centered and clamped.

Drawings

Fig. 1 is a schematic top view of a fine boring hydraulic clamp according to the present utility model;

fig. 2 is a schematic structural three-dimensional view of a fine boring hydraulic clamp according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the fine boring hydraulic clamp of FIG. 1;

fig. 4 is an enlarged schematic view of B in fig. 1 showing a structure of a fine boring hydraulic clamp according to the present utility model.

In the figure: 1. a work table; 2. a sleeve; 3. a tension spring; 4. a clamp; 5. a guide wheel; 6. a rope; 7. a hydraulic cylinder; 8. a rack; 9. a gear; 10. a reel; 11. a connecting frame; 12. a positioning frame; 13. a positioning spring; 14. a fixed block; 15. a handle; 16. a round bar; 17. a fixing plate; 18. and a positioning rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-4, a fine boring hydraulic clamp comprises a workbench 1, wherein sleeves 2 which are arranged in a rectangular shape are fixedly arranged on the front side of the workbench 1, the number of the sleeves 2 is four, clamps 4 are fixedly connected to the inner sides of the four sleeves 2 in a sliding manner, extension springs 3 are fixedly arranged on the four clamps 4, the extension springs 3 are fixedly connected with the inner sides of the sleeves 2, guide wheels 5 are fixedly connected to the front sides of the four clamps 4 in a rotating manner, hydraulic cylinders 7 are fixedly arranged on the front sides of the workbench 1, connecting frames 11 are fixedly arranged on the right sides of the hydraulic cylinders 7, racks 8 are arranged at the bottoms of the top ends of the connecting frames 11, reel wheels 10 are rotatably connected to the front sides of the workbench in a rotating manner, gears 9 are fixedly arranged on the front sides of the reel wheels 10 and meshed with the racks 8, a winch rope 6 is sleeved on the guide wheels 5, a control mechanism and a positioning mechanism are respectively arranged on the front sides of the workbench 1 and respectively matched with the control mechanism and the connecting frames 11.

By the above mechanism: the hydraulic cylinder 7 is started to push the right side to approach the center, then the other three clamps 4 can be tightened through the reel 10 and the winch rope 6, the three clamps 4 approach each other, the workpiece is centered and clamped, the positions of the four clamps 4 can be positioned, and the stability of the clamps 4 in use is greatly improved.

In the utility model, the control mechanism comprises a positioning frame 12, a positioning spring 13 and a fixed block 14, wherein the positioning frame 12 is fixedly connected with the positioning spring 13, the positioning frame 12 is slidably connected to the top of the workbench 1, the positioning spring 13 is fixedly connected with the fixed block 14, the fixed block 14 is fixedly connected with the workbench 1, after the positioning frame 12 is meshed with the connecting frame 11, the positioning frame 12 can connect the workbench 1 with the connecting frame 11 to stop the connecting frame 11 from moving, the connecting frame 11 can be positioned on the front side of the workbench 1, and the positioning of the left position clamp 4 and the gear 9 can be realized.

In the utility model, the positioning mechanism comprises the handle 15 and the positioning rod 18, the handle 15 is rotatably connected to the front side of the workbench 1, the handle 15 is matched with the positioning frame 12, the handle 15 is slidably connected with the positioning rod 18, after the handle 15 is controlled to rotate, the handle 15 can control the positioning frame 12 to move downwards, so that the positioning frame 12 can be separated from the connecting frame 11, the unlocking of the connecting frame 11 can be realized, and then the clamp 4 and the gear 9 can be unlocked.

In the utility model, the inner side of the handle 15 is fixedly provided with the round rod 16, the round rod 16 is in sliding contact with the positioning frame 12, after the handle 15 is rotated, the handle 15 can drive the round rod 16 to rotate, so that the round rod 16 is in contact with the positioning frame 12, and the positioning frame 12 can be pressed downwards to separate the positioning frame 12 from the connecting frame 11, thereby unlocking the connecting frame 11.

In the utility model, a plurality of positioning grooves are formed in the bottom of the connecting frame 11 at equal intervals, a plurality of positioning blocks are fixedly arranged at the top of the positioning frame 12 at equal intervals, the outer sides of the positioning blocks are in sliding contact with the inner walls of the positioning grooves, and after the positioning blocks are inserted into the positioning grooves, the positioning blocks can block the connecting frame 11 from moving, so that the connecting frame 11 can be positioned.

In the utility model, the front side of the workbench 1 is fixedly provided with the fixing plate 17, the inner side of the positioning rod 18 is in sliding contact with the outer side of the bottom of the fixing plate 17, and after the positioning rod 18 is in contact with the fixing plate 17, the positioning rod 18 can stop the handle 15 from rotating, so that the handle 15 can be positioned.

Working principle: when the workpiece is required to be clamped, the workpiece is firstly placed at the top of the workbench 1, then the handle 15 is rotated, after the handle 15 is rotated, the handle 15 can drive the round rod 16 to rotate, the round rod 16 is enabled to be in contact with the positioning frame 12, the positioning frame 12 can be pressed downwards, the positioning spring 13 is compressed on the fixed block 14, the positioning frame 12 is separated from the connecting frame 11, unlocking of the connecting frame 11 is achieved, then the positioning rod 18 is pushed upwards, the inner side of the positioning rod 18 is attached to the left side of the fixed plate 17, after the positioning rod 18 is in contact with the fixed plate 17, the handle 15 can be blocked to rotate, positioning of the handle 15 can be achieved, the clamp 4 can be continuously unlocked, then the hydraulic cylinder 7 is started to push the connecting frame 11 to move to the right side, the connecting frame 11 and the gear 8 can move to the right side, the gear 9 and the reel 10 are driven to rotate, the three guide wheels 5 can be wound up, then the connecting frame 11 drives the clamp 4 at the left side to move to the right side, the four clamps 4 are enabled to be close to each other, the clamp 4 can be inserted into the connecting frame 11, the positioning groove can be connected to the positioning block 11 through the connecting frame, and the positioning block can be connected to the positioning block 11 through the positioning groove 11 when the positioning rod is opened, and the positioning block is greatly inserted into the positioning block 11.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a finish boring hydraulic clamp, includes workstation (1), its characterized in that, the front side fixed mounting of workstation (1) has sleeve pipe (2) that are the rectangle and arrange, the quantity of sleeve pipe (2) is four, and the equal sliding connection of inboard of four sleeve pipes (2) has anchor clamps (4), all fixed mounting has extension spring (3) on four anchor clamps (4), the inboard fixed connection of extension spring (3) and sleeve pipe (2), the equal swivelling joint of front side of four anchor clamps (4) has guide pulley (5), the front side fixed mounting of workstation (1) has pneumatic cylinder (7), the right side fixed mounting of pneumatic cylinder (7) has link (11), rack (8) are installed to the top valley of link (11), the front side swivelling joint of workstation has reel (10), the front side fixed mounting of reel (10) has gear (9), gear (9) meshes with rack (8), fixed mounting has hoist rope (6) on reel (10), hoist rope (6) are established in front side and are equipped with positioning mechanism (5) respectively with control mechanism (11) respectively.

2. The fine boring hydraulic clamp according to claim 1, wherein the control mechanism comprises a positioning frame (12), a positioning spring (13) and a fixed block (14), the positioning frame (12) is fixedly connected with the positioning spring (13), the positioning frame (12) is slidably connected to the top of the workbench (1), the positioning spring (13) is fixedly connected with the fixed block (14), and the fixed block (14) is fixedly connected with the workbench (1).

3. A fine boring hydraulic clamp as claimed in claim 1, wherein the positioning mechanism comprises a handle (15) and a positioning rod (18), the handle (15) is rotatably connected to the front side of the workbench (1), the handle (15) is matched with the positioning frame (12), and the handle (15) is slidably connected with the positioning rod (18).

4. A fine boring hydraulic clamp as claimed in claim 3, wherein a round bar (16) is fixedly mounted on the inner side of the handle (15), and the round bar (16) is in sliding contact with the positioning frame (12).

5. The fine boring hydraulic clamp according to claim 2, wherein a plurality of positioning grooves are formed in the bottom of the connecting frame (11) in an equidistant arrangement, a plurality of positioning blocks are fixedly arranged on the top of the positioning frame (12) in an equidistant arrangement, and the outer sides of the positioning blocks are in sliding contact with the inner walls of the positioning grooves.

6. A fine boring hydraulic clamp as claimed in claim 3, wherein a fixing plate (17) is fixedly mounted on the front side of the workbench (1), and the inner side of the positioning rod (18) is in sliding contact with the outer side of the bottom of the fixing plate (17).