CN214110054U

CN214110054U - Fixing device for thickening transmission shaft

Info

Publication number: CN214110054U
Application number: CN202120033279.9U
Authority: CN
Inventors: 王晶
Original assignee: Changchun Dongdahengfeng Automotive Parts Co ltd
Current assignee: Changchun Dongdahengfeng Automotive Parts Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-09-03
Anticipated expiration: 2031-01-07

Abstract

The utility model discloses a fixing device for thickening transmission shaft, which belongs to the field of fixing devices and comprises a workbench, wherein the top of the workbench is provided with symmetrically arranged movable plates, the movable plates are all connected to the top of the workbench in a sliding manner, the tops of the movable plates are all provided with clamping and fixing mechanisms, a turntable is arranged between the two movable plates, the top of the workbench is fixed with a vertical fixed column, the turntable is rotatably connected to the fixed column, the movable plates are hinged to an inclined linkage rod near the middle position of the side wall of one side of the turntable, the other ends of the linkage rods are hinged to the top of the turntable, an arc-shaped rack is fixed on the side wall of the turntable, and the top of the workbench is provided with a straight rack in a sliding connection manner; the device need not artifical regulation thickening transmission shaft position, uses manpower sparingly, adjusts process automation, improves machining efficiency, and is convenient for carry out the centre gripping to different length and different diameter transmission shafts, and application scope is wide, and is fixed stable, and the practicality is strong.

Description

Fixing device for thickening transmission shaft

Technical Field

The utility model belongs to the technical field of fixing device, concretely relates to a fixing device for thickening transmission shaft.

Background

The transmission shaft is the axle that can transmit power in universal drive's the transmission shaft, it is a high rotational speed, the rotator of few supports, machining, usually need to fix the mechanical axis that needs to process, then polish, other operations such as polish, but current fixing device rigidity, when centre gripping transmission shaft, there is the operation dead angle at its axle body centre gripping position, often need carry out a lot of centre gripping, and then realize the comprehensive operation of transmission shaft face, and because current thickening transmission shaft quality is heavier, when adjusting transmission shaft clamping position, need the manual work to remove the centre gripping behind the transmission shaft again, not only consume the manpower, and very big reduction transmission shaft operating efficiency, there is the inconvenience in the actual operation in-process, consequently this scheme designs a fixing device for thickening transmission shaft and solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixing device for thickening transmission shaft to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fixing device for thickening transmission shaft, includes the workstation, the top of workstation is equipped with the fly leaf that the symmetry set up, the equal sliding connection of fly leaf is at the top of workstation, the top of fly leaf all is equipped with centre gripping fixed establishment, two be equipped with the carousel between the fly leaf, the top of workstation is fixed with vertical fixed column, just the carousel rotates to be connected on the fixed column, one side lateral wall intermediate position that the fly leaf is close to the carousel all articulates there is the gangbar of slope, the other end of gangbar all articulates at the top of carousel, be fixed with the arc rack on the lateral wall of carousel, the top of workstation is equipped with sliding connection's straight rack, just straight rack and arc rack meshing set up.

This a fixing device for thickening transmission shaft is through setting up two portable fly leafs, realizes clamping device's position control, need not artifical regulation thickening transmission shaft position, uses manpower sparingly, adjusts process automation, improves machining efficiency, and is convenient for fix the processing to different length transmission shafts, can carry out the centre gripping to different diameter transmission shafts simultaneously, and application scope is wide, and is fixed stable, and the practicality is strong.

As a preferred embodiment, centre gripping fixed establishment is including fixing the PMKD in the fly leaf top, be equipped with the bracing piece that the symmetry set up between PMKD and the fly leaf, PMKD's top sliding connection has the splint that the symmetry set up, the perpendicular cross-section of splint is the arc, the bottom central point of splint puts all to articulate there is the connecting rod, the top of fly leaf is passed through the bolt fastening and is had the cylinder, and two the other end of connecting rod all articulates on the piston rod of cylinder.

By adopting the scheme, the left and right adjustable clamping and fixing mechanisms can be utilized to perform corresponding adjustment according to the length of the transmission shaft, so that the device is suitable for fixing operation of transmission shafts with different specifications, is stable in fixation and has a wide application range.

As a preferred embodiment, servo motor is installed at the top of workstation, servo motor's output shaft is connected with the threaded rod that the level set up, the threaded rod rotates the top of connecting at the workstation, the back connection of spur rack has the screw thread piece, just screw thread piece threaded connection is on the threaded rod.

By adopting the scheme, the two clamping and fixing mechanisms can be adjusted simultaneously only through one motor, so that the manufacturing cost is reduced, and the movement is stable.

As a preferred embodiment, guide rods are arranged on two sides of the movable plate, the guide rods are fixed on the top surface of the workbench, positioning sleeves are connected to the side walls of the movable plate away from each other, and the positioning sleeves are respectively connected to the corresponding guide rods in a sliding manner.

By adopting the scheme, the movable plate is positioned and guided by the positioning sleeve which is connected on the guide rod in a sliding manner, so that the movement stability of the movable plate is improved.

As a preferred embodiment, the top of the fixed bottom plate is provided with evenly distributed sliding grooves, the bottom of the clamping plate is provided with symmetrically arranged T-shaped sliding blocks, and the T-shaped sliding blocks are respectively connected in the corresponding sliding grooves in a sliding manner.

By adopting the scheme, the sliding block is arranged at the bottom of the clamping plate to position and guide the clamping plate, so that the clamping plate is stable when the transmission shaft is clamped, the clamping stability is improved, and the transmission shaft can be conveniently processed subsequently.

As a preferred embodiment, the top of the fixed bottom plate is provided with rectangular openings which are symmetrically arranged, and the connecting rods are respectively connected in the corresponding rectangular openings in a sliding manner.

Adopt above-mentioned scheme, through the rectangle opening that is equipped with, when cylinder during operation, the connecting rod can be at rectangle opening internalization for the connecting rod can drive splint and be close to each other and keep away from to carry out the centre gripping and loosen the transmission shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the fixing device for thickening the transmission shaft, the two movable plates are arranged, so that the position of the clamping device is adjusted, the clamping dead angle of the shaft body can be conveniently machined, the position of the transmission shaft does not need to be manually adjusted, manpower is saved, the adjusting process is automatic, and the machining efficiency is improved;

this a fixing device for thickening transmission shaft is convenient for fix the processing to different length transmission shafts through setting up position adjustable fixed establishment, can carry out the centre gripping to different diameter transmission shafts simultaneously, and application scope is wide, and fixed stability, and the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the clamping device of the present invention;

fig. 3 is a side sectional view of the present invention.

In the figure: 1. a turntable; 2. a work table; 3. fixing a column; 4. a linkage rod; 5. a positioning sleeve; 6. a guide bar; 7. a splint; 8. fixing the bottom plate; 9. a movable plate; 10. a servo motor; 11. an arc-shaped rack; 12. A thread block; 13. a threaded rod; 14. straight rack; 15. a connecting rod; 16. a cylinder; 17. a support rod.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the utility model provides a fixing device for thickening transmission shaft, comprising a workbench 2, wherein the top of the workbench 2 is provided with symmetrically arranged movable plates 9, the movable plates 9 are all connected with the top of the workbench 2 in a sliding manner, the top of the movable plates 9 is provided with a clamping and fixing mechanism, a turntable 1 is arranged between the two movable plates 9, the top of the workbench 2 is fixed with a vertical fixed column 3, the turntable 1 is rotatably connected with the fixed column 3, the movable plates 9 are all hinged with an inclined linkage rod 4 at the middle position of one side wall of the turntable 1, the other end of the linkage rod 4 is hinged with the top of the turntable 1, an arc-shaped rack 11 is fixed on the side wall of the turntable 1, the top of the workbench 2 is provided with a straight rack 14 in a sliding connection manner, the straight rack 14 is meshed with the arc-shaped rack 11, the device is provided with the two movable plates 9, realize clamping device's position control, need not artifical regulation thickening transmission shaft position, use manpower sparingly, adjust process automation, improve machining efficiency, and be convenient for fix the processing to different length transmission shafts, can carry out the centre gripping to different diameter transmission shafts simultaneously, application scope is wide, and is fixed stable, and the practicality is strong.

Centre gripping fixed establishment is including fixing the PMKD 8 in fly leaf 9 top, be equipped with the bracing piece 17 that the symmetry set up between PMKD 8 and the fly leaf 9, the top sliding connection of PMKD 8 has splint 7 that the symmetry set up, splint 7's perpendicular cross-section is the arc, splint 7's bottom central point puts all that there is connecting rod 15, there is cylinder 16 at the top of fly leaf 9 through the bolt fastening, and two connecting rod 15's the other end all articulates on cylinder 16's piston rod, two adjustable centre gripping fixed establishment about the utilization, can correspond the regulation according to the length of transmission shaft, be suitable for the fixed operation of different specification transmission shafts, and fixed stable, application scope is wide.

Servo motor 10 is installed at the top of workstation 2, and servo motor 10's output shaft is connected with the threaded rod 13 that the level set up, and threaded rod 13 rotates the top of connecting at workstation 2, and the back connection of spur rack 14 has screw block 12, and screw block 12 threaded connection is on threaded rod 13, only can realize adjusting when two centre gripping fixed establishment through a motor, reduces manufacturing cost, and the motion is stable.

Both sides of fly leaf 9 all are equipped with guide arm 6, and guide arm 6 all fixes the top surface at workstation 2, all is connected with position sleeve 5 on the lateral wall of one side that fly leaf 9 kept away from each other, and position sleeve 5 equally divide and do not sliding connection on corresponding guide arm 6, through position sleeve 5 sliding connection on guide arm 6, advance line location direction to fly leaf 9, improve the stability of fly leaf 9 motion.

Evenly distributed's spout has all been seted up at PMKD 8's top, and splint 7's bottom all is equipped with the T shape slider that the symmetry set up, and T shape slider is equallyd divide do not sliding connection in corresponding spout, utilizes and sets up the slider in splint 7 bottom, fixes a position the direction to splint 7, makes it remain stable when the centre gripping transmission shaft, improves the centre gripping stability, and the follow-up transmission shaft of being convenient for is processed.

The rectangle opening that the symmetry set up is all seted up at PMKD 8's top, and connecting rod 15 sliding connection respectively in corresponding rectangle opening, through the rectangle opening that is equipped with, when cylinder 16 during operation, connecting rod 15 can be at rectangle opening internalization for connecting rod 15 can drive splint 7 and be close to each other and keep away from to carry out the centre gripping and loosen the transmission shaft.

When the device is used, the position between the two clamping and fixing mechanisms is adjusted according to the length of a transmission shaft, during adjustment, a threaded rod 13 is driven by a servo motor 10 to rotate forwards or backwards, a threaded block 12 on the threaded rod moves leftwards or rightwards, because a straight rack 14 is meshed with an arc-shaped rack 11, the servo motor 10 can drive a rotary table 1 to rotate clockwise or anticlockwise when working, and further acts on two movable plates 9 to move away from and approach each other through a linkage rod 4 for adjustment, after the position adjustment is completed, the transmission shaft is manually placed on two fixed bottom plates 8 and the position of the transmission shaft is adjusted, then the fixing operation is carried out, two air cylinders 16 simultaneously work to enable a piston rod to move downwards when in fixation, two connecting rods 15 at one end of the piston rod can drive two arc-shaped clamping plates 7 to approach each other and clamp and fix the transmission shaft, and then the transmission shaft is processed after fixation, the traditional fixing device is fixed in position, a clamping and fixing mechanism needs to be loosened firstly when a clamping and contacting part of a clamping plate 7 and a transmission shaft is clamped and contacted, then the position of the transmission shaft is adjusted manually, when the device is adjusted, the clamping plate 7 only needs to be loosened slightly through an air cylinder 16, so that the clamping force is reduced, the clamping plate 7 can be ensured to move on the shaft body of the transmission shaft, then the device works through a servo motor 10, the two clamping and fixing mechanisms are close to or far away from each other according to the length condition of the transmission shaft, the original clamping and processing dead angle is exposed, and then the fixing device can be fixed and processed again conveniently, the fixing device for thickening the transmission shaft realizes the position adjustment of the clamping device by arranging two movable plates 9, does not need to manually adjust and thicken the position of the transmission shaft, saves manpower, adjusts the process automation, improves the processing efficiency, and is convenient for fixing and processing the transmission shafts with different lengths, meanwhile, transmission shafts with different diameters can be clamped, and the clamp is wide in application range, stable in fixation and high in practicability.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fixing device for thickening transmission shaft, includes workstation (2), its characterized in that: the top of the workbench (2) is provided with symmetrically arranged movable plates (9), the movable plates (9) are all connected to the top of the workbench (2) in a sliding way, the top of the movable plates (9) is provided with a clamping and fixing mechanism, a turntable (1) is arranged between the two movable plates (9), the top of the workbench (2) is fixed with a vertical fixing column (3), the rotary table (1) is rotationally connected to the fixed column (3), the middle positions of the side walls of the movable plates (9) close to one side of the rotary table (1) are respectively hinged with an inclined linkage rod (4), the other ends of the linkage rods (4) are hinged on the top of the turntable (1), arc-shaped racks (11) are fixed on the side walls of the rotary table (1), straight racks (14) are arranged at the top of the workbench (2) and are in sliding connection, and the straight racks (14) are meshed with the arc-shaped racks (11).

2. A fixing device for thickening a transmission shaft according to claim 1, wherein: centre gripping fixed establishment is including fixing PMKD (8) in fly leaf (9) top, be equipped with bracing piece (17) that the symmetry set up between PMKD (8) and fly leaf (9), the top sliding connection of PMKD (8) has splint (7) that the symmetry set up, the perpendicular cross-section of splint (7) is the arc, the bottom central point of splint (7) puts all to articulate there is connecting rod (15), there are cylinder (16) at the top of fly leaf (9) through the bolt fastening, and two the other end of connecting rod (15) all articulates on the piston rod of cylinder (16).

3. A fixing device for thickening a transmission shaft according to claim 1, wherein: servo motor (10) are installed at the top of workstation (2), the output shaft of servo motor (10) has threaded rod (13) that the level set up, threaded rod (13) rotate the top of connecting at workstation (2), the back connection of spur rack (14) has screw block (12), just screw block (12) threaded connection is on threaded rod (13).

4. A fixing device for thickening a transmission shaft according to claim 1, wherein: the both sides of fly leaf (9) all are equipped with guide arm (6), the top surface at workstation (2) is all fixed in guide arm (6), all be connected with position sleeve (5) on the lateral wall of one side that fly leaf (9) kept away from each other, just other sliding connection is equallyd divide on corresponding guide arm (6) in position sleeve (5).

5. A fixing device for thickening a transmission shaft according to claim 2, wherein: the top of PMKD (8) all sets up evenly distributed's spout, the bottom of splint (7) all is equipped with the T shape slider that the symmetry set up, just respectively sliding connection is equallyd divide to the T shape slider in corresponding spout.

6. A fixing device for thickening a transmission shaft according to claim 2, wherein: the top of the fixed bottom plate (8) is provided with symmetrical rectangular openings, and the connecting rods (15) are respectively connected in the corresponding rectangular openings in a sliding manner.