CN219380461U - Clamping mechanism for hydraulic cylinder production - Google Patents

Abstract

The utility model discloses a hydraulic cylinder production clamping mechanism which comprises a support frame, a hollow shell, support plates and a pressing plate, wherein the hollow shell is fixedly arranged at the top end of the support frame, two telescopic rods are symmetrically and slidably arranged at the top end of the hollow shell, the support plates are fixedly arranged at the top ends of the two telescopic rods, the pressing plate is fixedly arranged at the bottom ends of the two telescopic rods, two racks are symmetrically and fixedly arranged at the bottom ends of the support plates, cylindrical drums are symmetrically and rotatably arranged at the two ends of the hollow shell, and gears are fixedly arranged at one ends, far away from the hollow shell, of the cylindrical drums. According to the utility model, the threaded rod can be driven to rotate by the operation of the driving motor so as to push the supporting plate to move downwards, the spring II can be extruded by the continuous movement of the supporting plate, so that the clamping force on a workpiece is improved, and the gear can be driven to rotate by the movement of the rack so as to drive the hollow screw to rotate.

Description

Clamping mechanism for hydraulic cylinder production

Technical Field

The utility model relates to the technical field of hydraulic cylinder production, in particular to a hydraulic cylinder production clamping mechanism.

Background

The hydraulic cylinder is a linear motion type actuating element with output force being in direct proportion to the effective area of the piston and the pressure difference on two sides of the piston, and has the function of converting hydraulic energy into mechanical energy, and the hydraulic cylinder needs to be clamped and fixed in the processing process of the hydraulic cylinder so as to improve the processing quality of the hydraulic cylinder.

Through searching, the Chinese patent with the publication number of CN212192112U discloses a workpiece clamping tool for oil cylinder production, and through screwing a fixing bolt, a fixing clamping plate is directly propped against the surface of a workpiece, so that the workpiece is clamped and fixed, however, the following defects still exist, the side surface of the workpiece is not fixed in an auxiliary manner, the workpiece is easy to deviate in the processing process, and the processing quality of a hydraulic cylinder is reduced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a clamping mechanism for hydraulic cylinder production.

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

the utility model provides a pneumatic cylinder production fixture, includes support frame, hollow shell, backup pad and clamp plate, support frame top fixed mounting has hollow shell, and two telescopic links of hollow shell top symmetry slidable mounting, and two telescopic link top fixed mounting backup pad, two telescopic link bottom fixed mounting has the clamp plate, two racks of backup pad bottom symmetry fixed mounting, hollow shell both ends symmetry rotation is installed the cylinder section of thick bamboo, and cylinder section of thick bamboo keeps away from hollow shell one end fixed mounting and have the gear, the inside slidable mounting of cylinder section of thick bamboo has hollow screw rod, and hollow screw rod one end extends to inside the hollow shell and slidable mounting has T type pole, and T type pole one end rotates installs the clamp lever.

Furthermore, two bar grooves are symmetrically formed in the outer side of the hollow screw, two bar rods are symmetrically and fixedly installed in the cylindrical barrel, and the bar rods are slidably installed in the bar grooves.

Furthermore, one end of the T-shaped rod extends to the inside of the hollow screw rod, the first spring is arranged on the outer side of the T-shaped rod, and two ends of the first spring are respectively and fixedly arranged on the hollow screw rod and the T-shaped rod.

Further, the nut is installed on the outer side of the hollow screw rod, and the outer side of the nut is fixedly installed inside the hollow shell.

Further, driving motor is installed on the backup pad top, the threaded rod is installed in the backup pad bottom rotation, and the threaded rod top is connected with driving motor bottom, the inside fixed mounting of hollow shell has the screw thread piece, and threaded rod and screw thread piece threaded connection.

Further, the telescopic link includes dead lever, spring two and hollow pole, two hollow poles of hollow shell top symmetry slidable mounting, and hollow pole top slidable mounting has the dead lever, dead lever top fixed mounting is in the backup pad bottom.

Furthermore, a sealing ring is fixedly arranged at the top end inside the hollow rod, and the sealing ring is slidably arranged at the outer side of the fixed rod.

Furthermore, the bottom end of the fixed rod extends into the hollow rod, a second spring is arranged on the outer side of the fixed rod, and two ends of the second spring are respectively and fixedly arranged on the fixed rod and the bottom end of the sealing ring.

The beneficial effects of the utility model are as follows:

1. the drive motor works to drive the threaded rod to rotate and then push the support plate to move downwards, the drive motor works to drive the threaded rod to rotate, the threaded rod rotates to move downwards along the threaded block, the threaded rod moves downwards to drive the support plate to move downwards, and the support plate moves downwards to drive the pressing plate to move through the telescopic rod to be attached to a workpiece.

2. The second spring is extruded through the continuous movement of the supporting plate, the clamping force on the workpiece is further improved, the fixing rod is driven to move downwards in the continuous downward movement process of the supporting plate, the fixing rod stretches the second spring after moving downwards, the second spring generates elastic force, and the clamping force of the pressing plate on the workpiece is improved through the elastic force of the second spring.

3. The gear is driven to rotate through the movement of the rack, the hollow screw is driven to rotate, the rack moves downwards to drive the gear to rotate, the gear rotates to drive the cylindrical barrel to rotate, the cylindrical barrel rotates to drive the hollow screw to rotate through the bar rod and the bar groove, the hollow screw rotates to move along the nut, the hollow screw is driven to horizontally move, and then the clamping plate is driven to horizontally move to clamp and fix a workpiece.

Drawings

Fig. 1 is a schematic perspective view of a hydraulic cylinder production clamping mechanism according to the present utility model;

FIG. 2 is a schematic view of a hydraulic cylinder production clamping mechanism according to the present utility model;

fig. 3 is a schematic diagram of a part B of a hydraulic cylinder production clamping mechanism according to the present utility model;

fig. 4 is a schematic diagram of a partial enlarged structure of a part a of a hydraulic cylinder production clamping mechanism.

In the figure: 1. a support frame; 2. a hollow shell; 3. a support plate; 4. a threaded rod; 5. a screw block; 6. a telescopic rod; 7. a pressing plate; 8. a rack; 9. a gear; 10. a cylinder barrel; 11. a hollow screw; 12. a nut; 13. a T-shaped rod; 14. a first spring; 15. a clamping plate; 16. a bar-shaped groove; 17. a bar; 18. a fixed rod; 19. a second spring; 20. a hollow rod; 21. and driving the motor.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Referring to fig. 1-4, a fixture is produced to pneumatic cylinder, including support frame 1, hollow shell 2, backup pad 3 and clamp plate 7, support frame 1 top is through bolt mounting hollow shell 2, and two telescopic links 6 of hollow shell 2 top symmetry slidable mounting, and two telescopic link 6 tops pass through a backup pad 3 of screw mounting, the welding of two telescopic link 6 bottom has clamp plate 7, two racks 8 of backup pad 3 bottom pass through screw symmetry installation, hollow shell 2 both ends are installed cylinder 10 through bearing symmetry rotation, and cylinder 10 keep away from hollow shell 2 one end welding has gear 9, and gear 9 meshes with rack 8, cylinder 10 inside slidable mounting has hollow screw 11, and hollow screw 11 one end extends to hollow shell 2 inside and slidable mounting have T type pole 13, and T type pole 13 one end rotates there is splint 15, and splint 15 bottom is laminated with support frame 1 top mutually, splint 15's design is convenient for follow the side and carries out the centre gripping fixed to the work piece, splint 15 is laminated with support frame 1 top, avoid splint 15 to follow hollow screw 11 and take place to rotate.

In the utility model, it should be noted that two bar grooves 16 are symmetrically machined on the outer side of the hollow screw 11, two bar rods 17 are symmetrically welded in the cylindrical barrel 10, the bar rods 17 are slidably installed in the bar grooves 16, the bar rods 17 and the designed cylindrical barrel 10 of the bar grooves 16 drive the hollow screw 11 to rotate, meanwhile, the hollow screw 11 is convenient to move along the cylindrical barrel 10, one end of the T-shaped rod 13 extends into the hollow screw 11, a first spring 14 is assembled on the outer side of the T-shaped rod 13, two ends of the first spring 14 are respectively welded on the hollow screw 11 and the T-shaped rod 13, the first spring 14 improves the clamping force of the clamping plate 15 on a workpiece, a nut 12 is installed on the outer side of the hollow screw 11, the outer side of the nut 12 is fixedly installed in the hollow shell 2, the nut 12 is designed to facilitate the movement of the hollow screw 11 along the nut 12, a driving motor 21 is installed on the top end of the supporting plate 3, a threaded rod 4 is rotatably installed on the bottom end of the supporting plate 3, the threaded rod 4 is connected with the bottom end of the driving motor 21, the driving motor 21 is designed to facilitate the driving the threaded rod 4 to rotate, a threaded block 5 is fixedly installed in the hollow shell 2, the threaded block 5 is connected with the threaded block 5 through the 4, the threaded block 5 is connected with the threaded block 5 through the threaded rod 5, and the threaded block 5 is conveniently driven to move downwards to the threaded rod 7 to the threaded rod to clamp the workpiece.

In particular, telescopic link 6 includes dead lever 18, spring two 19 and hollow pole 20, two hollow poles 20 of hollow shell 2 top symmetry slidable mounting, and hollow pole 20 top slidable mounting has dead lever 18, dead lever 18 top fixed mounting is in backup pad 3 bottom, dead lever 18 and the design of just hollow pole 20 be convenient for behind clamp plate 7 and the work piece laminating, can not hinder backup pad 3 to continue to move downwards, and then be convenient for clamp plate 15 carries out the side centre gripping to the work piece fixedly, hollow pole 20 inside top is through the screw installation seal ring, and seal ring slidable mounting is in the dead lever 18 outside, the design of seal ring is convenient for with the encapsulation of dead lever 18 bottom inside hollow pole 20, the dead lever 18 bottom extends to hollow pole 20 inside, the dead lever 18 outside is equipped with spring two 19, and the welding respectively on dead lever 18 and seal ring bottom in spring two 19 both ends, the design of spring two 19 has improved the clamping dynamics of clamp plate 7 to the work piece.

Working principle: when the hydraulic cylinder workpiece is required to be clamped and fixed, the workpiece is firstly placed at the top end of the supporting frame 1, the workpiece is located between the two clamping plates 15, meanwhile, the lower side of the pressing plate 7 is located, then the driving motor 21 is started, the driving motor 21 works to drive the threaded rod 4 to rotate, the threaded rod 4 rotates to move downwards along the threaded block 5, the threaded rod 4 moves downwards to drive the supporting plate 3 to move downwards, the supporting plate 3 moves downwards to drive the pressing plate 7 to move through the telescopic rod 6 to be attached to the workpiece, the pressing plate 7 is further prevented from moving downwards, the fixing rod 18 is driven to move downwards in the continuous downwards moving process of the supporting plate 3, the fixing rod 18 moves downwards to stretch the spring II 19, the spring II 19 generates elastic force, and the clamping force of the pressing plate 7 to the workpiece is improved by the elastic force of the spring II 19.

The support plate 3 moves down the in-process and drives rack 8 to move down, rack 8 moves down and drives gear 9 to rotate, gear 9 rotates and drives cylinder section of thick bamboo 10 to rotate, cylinder section of thick bamboo 10 rotates and drives hollow screw 11 through bar pole 17 and bar groove 16 and rotate, hollow screw 11 rotates and moves along nut 12, and then drive hollow screw 11 horizontal migration, and then drive splint 15 horizontal migration carries out the centre gripping to the work piece and fix, splint 15 and work piece laminating prevent splint 15 horizontal migration, hollow screw 11 continues to move and stretches spring one 14 for spring one 14 produces elasticity, the elasticity of spring one 14 has improved the clamping dynamics of splint 15 to the work piece.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components.

Claims (8)

1. The utility model provides a pneumatic cylinder production fixture, includes support frame (1), hollow shell (2), backup pad (3) and clamp plate (7), support frame (1) top fixed mounting has hollow shell (2), and two telescopic links (6) of hollow shell (2) top symmetry slidable mounting, and two telescopic link (6) top fixed mounting one backup pad (3), two telescopic link (6) bottom fixed mounting has clamp plate (7), a serial communication port, two racks (8) of backup pad (3) bottom symmetry fixed mounting, hollow shell (2) both ends symmetry rotation is installed cylinder (10), and cylinder (10) are kept away from hollow shell (2) one end fixed mounting and are had gear (9), cylinder (10) inside slidable mounting has hollow screw (11), and hollow screw (11) one end extends to hollow shell (2) inside and slidable mounting have T type pole (13), and T type pole (13) one end rotates and installs splint (15).

2. The hydraulic cylinder production clamping mechanism according to claim 1, wherein two strip-shaped grooves (16) are symmetrically formed in the outer side of the hollow screw (11), two strip-shaped rods (17) are symmetrically and fixedly installed in the cylinder (10), and the strip-shaped rods (17) are slidably installed in the strip-shaped grooves (16).

3. The hydraulic cylinder production clamping mechanism according to claim 1, wherein one end of the T-shaped rod (13) extends into the hollow screw (11), a first spring (14) is arranged on the outer side of the T-shaped rod (13), and two ends of the first spring (14) are fixedly arranged on the hollow screw (11) and the T-shaped rod (13) respectively.

4. A hydraulic cylinder production clamping mechanism according to claim 1, characterized in that a nut (12) is mounted on the outside of the hollow screw (11), and the outside of the nut (12) is fixedly mounted inside the hollow shell (2).

5. The hydraulic cylinder production clamping mechanism according to claim 1, wherein the driving motor (21) is installed at the top end of the supporting plate (3), the threaded rod (4) is rotatably installed at the bottom end of the supporting plate (3), the top end of the threaded rod (4) is connected with the bottom end of the driving motor (21), the threaded block (5) is fixedly installed inside the hollow shell (2), and the threaded rod (4) is in threaded connection with the threaded block (5).

6. A hydraulic cylinder production clamping mechanism according to claim 1, wherein the telescopic rod (6) comprises a fixed rod (18), a spring II (19) and a hollow rod (20), the two hollow rods (20) are symmetrically and slidably arranged at the top end of the hollow shell (2), the fixed rod (18) is slidably arranged at the top end of the hollow rod (20), and the top end of the fixed rod (18) is fixedly arranged at the bottom end of the supporting plate (3).

7. A cylinder production gripping mechanism according to claim 6, characterised in that the hollow rod (20) is fixedly fitted with a sealing ring at its inner top end, and that the sealing ring is slidably mounted outside the fixed rod (18).

8. The hydraulic cylinder production clamping mechanism according to claim 6, wherein the bottom end of the fixed rod (18) extends into the hollow rod (20), the second spring (19) is installed on the outer side of the fixed rod (18), and two ends of the second spring (19) are fixedly installed on the fixed rod (18) and the bottom end of the sealing ring respectively.