CN210498867U

CN210498867U - Rotatory fixing device of shock attenuation piston rod tip welding

Info

Publication number: CN210498867U
Application number: CN201921191928.7U
Authority: CN
Inventors: 韩波
Original assignee: Suzhou Quick Laser Technology Co ltd
Current assignee: Suzhou Quick Laser Technology Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-05-12
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses a rotatory fixing device of shock attenuation piston rod tip welding, its including carry out rotary motion and the rotary disk of middle part fretwork, through the bracing piece with first backup pad and second backup pad, the setting of rotary disk axial direction parallel fixed connection are in member on the first backup pad compresses tightly the unit, the axial compresses tightly the piston rod makes its tip part side support the tip hold-down mechanism who holds a barrier plate surface, the barrier plate is fixed to be set up on the rotary disk. The utility model is simple in operation, can quick fixed clamp tightly and do not harm the piston rod, it is laborsaving to save labour, and fixes a position accurately, has improved welding quality and welding efficiency greatly.

Description

Rotatory fixing device of shock attenuation piston rod tip welding

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of the spin welding equipment, especially, relate to a rotatory fixing device of shock attenuation tailpiece of the piston rod portion welding.

[ background of the invention ]

In the automotive and electronics manufacturing, and machining industries, there are considerable equipment needed to clamp and position the workpieces and products being machined. The clamping is an important component in the workpiece clamping process, and after the workpiece is positioned, a clamping force must be generated through a certain mechanism to tightly press the workpiece on the positioning element, so that the accurate positioning position of the workpiece is ensured, and the position change and the vibration cannot be generated due to the action of cutting force, the gravity of the workpiece, centrifugal force, inertia force, pressure generated in different directions outside during the workpiece processing and the like, so as to ensure the processing precision and safe operation.

At present, a damping piston rod for automobile parts is required to weld a part sleeved on the piston rod with the piston rod at the end of the piston rod, and the welding is realized by using laser through the rotation of the piston rod, so that the accuracy of a welding position and the welding quality can be guaranteed only by strictly controlling the clamping and the rotation coaxiality of the piston rod. The traditional pressing modes comprise various modes, such as a screw mechanism, an eccentric mechanism, a wedge mechanism and the like, but the clamping of the mechanisms is only clamped at one position of the pipe fitting, the machining end of the pipe fitting is easy to jump, and the machining precision is seriously influenced.

Therefore, it is necessary to provide a new welding and rotating fixture for the end of the shock absorbing piston rod to solve the above problems.

[ Utility model ] content

The utility model discloses a main aim at provides a rotatory fixing device of shock attenuation piston rod tip welding can realize that the holistic clamp of piston rod is fixed to the follow-up is rotatory, provides welded workpiece's positional stability and rotatory high axiality, guarantee welding quality.

The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a rotatory fixing device of shock attenuation piston rod tip welding, its including carry out rotary motion and middle part fretwork the rotary disk, through the bracing piece with first backup pad and the second backup pad of rotary disk axial parallel fixed connection, set up and be in member on the first backup pad compresses tightly unit, axial compress tightly the piston rod and makes its tip part side support the tip hold-down mechanism on a barrier plate surface, the barrier plate is fixed to be set up on the rotary disk.

Furthermore, the periphery of the rotating disc is provided with a gear structure, and the rotating disc is rotated by driving a synchronous belt pulley and a synchronous belt through a first driving piece.

Furthermore, the middle parts of the first supporting plate and the second supporting plate are of hollow structures and are provided with fan-shaped missing parts communicated with the hollow structures, and the piston rod is convenient to put in.

Further, the member compresses tightly the unit and includes that one end articulates first cylinder, rotatable the erectting in first backup pad with on the second backup pad and receive first cylinder drive carries out rotatory rotary rod, respectively fixed the setting be in first backup pad with the support base of second backup pad, fix on the rotary rod and compress tightly the piston rod compact heap on the support base.

Furthermore, a rotary transmission block is fixedly arranged on the rotary rod, and the piston end of the first cylinder is hinged to the rotary transmission block.

Furthermore, a supporting groove is arranged on the supporting base and is V-shaped.

Furthermore, a through hole which is through up and down is formed in the supporting base, and a sensor for detecting whether the piston rod is put in is arranged below the through hole.

Furthermore, the end part pressing mechanism comprises a second driving part, a shaft pressing rod driven by the second driving part to perform horizontal linear motion, a pressing and positioning chuck fixed at the end part of the shaft pressing rod, and a pressing head rotatably arranged in the pressing and positioning chuck.

Furthermore, a pressure sensor for testing the axial pressure of the pressing head is arranged on the pressing and positioning chuck.

Furthermore, one end of the axial compression rod, which is close to the compressing and positioning chuck, is erected on a linear bearing to guide the motion track of the axial compression rod.

Compared with the prior art, the utility model relates to a rotatory fixing device of shock attenuation tailpiece of the piston rod welding's beneficial effect lies in: the welding fixture is simple to operate, can be quickly fixed and clamped without damaging the piston rod, saves labor and labor, is accurate in positioning, and greatly improves the welding quality and the welding efficiency.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of a piston rod clamping portion according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an end pressing mechanism in an embodiment of the present invention;

the figures in the drawings represent:

100, welding a rotary fixing device at the end part of the damping piston rod; 101 a piston rod;

1 rotating a disc, 11 a first driving piece, 12 a synchronous belt wheel and 13 a synchronous belt; 2, supporting rods; 3 a first support plate; 4 a second support plate; a 5-rod pressing unit, a 51 first air cylinder, a 52 rotating rod, a 53 supporting base, a 54 pressing block and a 55 rotating transmission block; 6 a blocking plate; 7 end pressing mechanism, 71 second driving piece, 72 axial pressing rod, 73 pressing positioning chuck, 74 pressing head, 75 pressure sensor and 76 linear bearing.

[ detailed description ] embodiments

Example (b):

referring to fig. 1 to 3, the present embodiment is a rotary fixing device 100 for welding the end of a damping piston rod, which includes a rotary disk 1 performing rotary motion and having a hollow middle portion, a first supporting plate 3 and a second supporting plate 4 fixedly connected to the rotary disk 1 in an axial parallel manner through a supporting rod 2, a rod pressing unit 5 disposed on the first supporting plate 3, and an end pressing mechanism 7 axially pressing the piston rod to make the side surface of the end part thereof abut against the surface of a blocking plate 6, wherein the blocking plate 6 is fixedly disposed on the rotary disk 1.

The periphery of the rotating disk 1 is provided with a gear structure, and the rotating disk 1 is rotated by driving a synchronous pulley 12 and a synchronous belt 13 through a first driving piece 11.

The middle parts of the first supporting plate 3 and the second supporting plate 4 are hollow structures and are provided with fan-shaped missing parts communicated with the hollow structures, and the piston rod is convenient to put in.

The rod compressing unit 5 includes a first cylinder 51 with one end hinged to the first support plate 3, a rotating rod 52 rotatably erected on the first support plate 3 and the second support plate 4 and driven by the first cylinder 51 to rotate, support bases 53 respectively fixedly arranged on the first support plate 3 and the second support plate 4, and a compressing block 54 fixed on the rotating rod 52 and compressing the piston rod on the support bases 53. A rotary driving block 55 is fixedly arranged on the rotary rod 52, and the piston end of the first cylinder 51 is hinged with the rotary driving block 55. The supporting base 53 is provided with a supporting groove (not marked in the figure), and the supporting groove is V-shaped. A through hole which is through up and down is arranged on the supporting base 53, and a sensor (not marked in the figure) for detecting whether the piston rod is put in is arranged below the through hole.

The end part pressing mechanism 7 comprises a second driving part 71, a shaft pressing rod 72 driven by the second driving part 71 to perform horizontal linear motion, a pressing and positioning chuck 73 fixed at the end part of the shaft pressing rod 72, and a pressing head 74 rotatably arranged in the pressing and positioning chuck 73, wherein a pressure sensor 75 for testing the axial pressure of the pressing head 74 is arranged on the pressing and positioning chuck 73. One end of the axial compression rod 72 close to the pressing positioning chuck 73 is erected on a linear bearing 76 to guide the motion track of the axial compression rod 72.

The working principle of the shock-absorbing piston rod end welding and rotating fixing device 100 of the embodiment is as follows: firstly, a workpiece is placed on a supporting base 53, and a first air cylinder 51 drives a pressing block 54 on a rotating rod 52 to press the workpiece; the second driving piece 71 drives the axial compression rod 72 and pushes the compression head 74 to axially compress the workpiece, and the axial compression effect with a set value is realized by the second driving piece 71 according to the requirement and the data display of the pressure sensor 75; after the workpieces are fixed, the first driving piece 11 drives the rotating disk 1 to rotate, and simultaneously drives the workpieces and the rod piece pressing unit 5 for clamping the workpieces to rotate together with the pressing head 74, so that the workpieces are continuously and rotatably welded under fixed pressure.

The rotary fixing device 100 for welding the end part of the damping piston rod is simple to operate, can be quickly fixed and clamped without damaging the piston rod, saves labor and labor, is accurate in positioning, and greatly improves welding quality and welding efficiency.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides a rotatory fixing device of shock attenuation piston rod tip welding which characterized in that: the device comprises a rotating disk which performs rotary motion and is hollow in the middle, a first supporting plate and a second supporting plate which are axially and fixedly connected with the rotating disk in parallel through a supporting rod, a rod piece pressing unit arranged on the first supporting plate, and an end part pressing mechanism which axially presses a piston rod to enable the side surface of an end part to abut against the surface of a blocking plate, wherein the blocking plate is fixedly arranged on the rotating disk.

2. A shock absorbing piston rod end weld spin fixture as defined in claim 1, wherein: the periphery of rotary disk is provided with gear structure to realize through first driving piece drive synchronous pulley and hold-in range the rotation of rotary disk.

3. A shock absorbing piston rod end weld spin fixture as defined in claim 1, wherein: the middle parts of the first supporting plate and the second supporting plate are of hollow structures and are provided with fan-shaped missing parts communicated with the hollow structures, and the piston rod is convenient to put in.

4. A shock absorbing piston rod end weld spin fixture as defined in claim 1, wherein: the member compresses tightly the unit and includes that one end articulates first cylinder, rotatable the erectting in first backup pad with receive in the second backup pad first cylinder drive carries out rotatory rotary rod, respectively fixed the setting and be in first backup pad with the support base of second backup pad, fix on the rotary rod and compress tightly the piston rod compact heap on the support base.

5. A shock absorbing piston rod end weld rotation fixture as claimed in claim 4 wherein: the rotary rod is fixedly provided with a rotary transmission block, and the piston end of the first cylinder is hinged to the rotary transmission block.

6. A shock absorbing piston rod end weld rotation fixture as claimed in claim 4 wherein: the support base is provided with a support groove, and the support groove is V-shaped.

7. A shock absorbing piston rod end weld rotation fixture as claimed in claim 4 wherein: the support base is provided with a through hole which is communicated up and down, and a sensor for detecting whether the piston rod is put in is arranged below the through hole.

8. A shock absorbing piston rod end weld spin fixture as defined in claim 1, wherein: the end part pressing mechanism comprises a second driving part, a shaft pressing rod driven by the second driving part to perform horizontal linear motion, a pressing and positioning chuck fixed at the end part of the shaft pressing rod, and a pressing head rotatably arranged in the pressing and positioning chuck.

9. A shock absorbing piston rod end weld spin fixture as defined in claim 8, wherein: and a pressure sensor for testing the axial pressure of the pressing head is arranged on the pressing positioning chuck.

10. A shock absorbing piston rod end weld spin fixture as defined in claim 8, wherein: one end of the axial compression rod, which is close to the compressing and positioning chuck, is erected on a linear bearing to guide the motion track of the axial compression rod.