CN212943827U

CN212943827U - Pneumatic fixture for glue spreader equipment tool

Info

Publication number: CN212943827U
Application number: CN202021067238.3U
Authority: CN
Inventors: 韩旭
Original assignee: Dalian Huagong Innovation Technology Co Ltd
Current assignee: Dalian Huagong Innovation Technology Co Ltd
Priority date: 2020-05-31
Filing date: 2020-05-31
Publication date: 2021-04-13
Anticipated expiration: 2030-05-31

Abstract

The utility model discloses a pneumatic fixture that spreading machine equipment frock was used for the work piece is fixed, gyration die clamping cylinder piston rod and eccentric shaft link firmly, piston rod and eccentric shaft outside cover are equipped with the last cutting ferrule that links firmly with the outer sleeve, the outer sleeve lower extreme links firmly with gyration die clamping cylinder, the integration of eccentric shaft upper end is equipped with the location head, the location head is eccentric distance e setting with the axial gyration axis of eccentric shaft, location head and eccentric shaft upper end pass the outer sleeve in proper order, it stretches out the cutting ferrule setting to go up the cutting ferrule, the piston rod drives the first axial of location and can reciprocate, circumference can be clockwise and anticlockwise 180 rotations. The clamping apparatus clamps and positions a workpiece on a workbench by utilizing a two-axis axial eccentric principle, eliminates the deformation influence of the workpiece, is suitable for positioning and clamping of a plastic workpiece, a non-metal workpiece and a sheet metal workpiece, can correct the deformation of the workpiece while clamping and positioning the workpiece, and improves the production efficiency while meeting the technical requirements.

Description

Pneumatic fixture for glue spreader equipment tool

Technical Field

The utility model relates to a pneumatic fixture that spreading machine equipment frock was used solves the tight problem of work piece location clamp, belongs to pneumatic fixture frock trade for work piece location when trades such as car, electron, door and window are scribbled and are annotated joint strip is pressed from both sides tightly.

Background

A workpiece positioning and fixing method in the manufacturing and processing industry mainly adopts mechanical mechanism clamping, cylinder clamping, oil cylinder clamping, electromagnetic chuck clamping, vacuum chuck clamping and the like to fix a workpiece on a workbench. For example, an automobile door panel usually consists of an outer metal sheet part workpiece and an inner plastic part workpiece, a joint of the metal sheet part workpiece and/or the plastic part workpiece needs to be coated with a double-component polyurethane sealing rubber strip by a robot coating device, a coating part is arranged at the edge of the workpiece, and the metal sheet part workpiece and the plastic part workpiece are thin in thickness and easy to warp and deform, so that the coating glue track is affected by the warp and deformation, the coating quality cannot be guaranteed, the sealing performance of the formed sealing rubber strip is reduced, the coating is usually carried out along the edge of the workpiece, and the pressing block or the clamping block interferes with the coating glue track by adopting the modes of mechanical mechanism clamping, cylinder clamping and the like, so that the coating cannot be realized or cannot be realized easily. The workpiece is positioned and clamped by the sucker, the deformation of the workpiece is large, the gap between the workpiece and the sucker is large, the vacuum degree is not easy to improve, the initial adsorption force is insufficient, the interference is needed, the gluing efficiency is influenced, certain difficulty is brought to the processing of gluing machine equipment for gluing the sealing rubber strip, the glue-applying quality of the gluing machine equipment cannot be guaranteed, and the sealing performance of the formed sealing rubber strip is reduced. Therefore, there is a need in the art for a pneumatic clamp for a coater equipment fixture that facilitates clamping and positioning of plastic workpieces of this type and corrects for deformation effects.

Disclosure of Invention

The utility model discloses a pneumatic fixture that spreading machine equipment frock was used uses gyration die clamping cylinder, utilizes the eccentric principle of diaxon heart to press from both sides tight fixed work piece to and eliminate the deformation influence of work piece. And when the workpiece is clamped and positioned, the deformation of the workpiece can be corrected, so that the technical requirements are met and the production efficiency is improved.

The utility model discloses a solve the technical scheme that above-mentioned technical problem took and be:

the upper end part of a piston rod of the rotary clamping cylinder is fixedly connected with the lower end part of the eccentric shaft through a rod threaded hole, an external shaft thread and the lower end part of the eccentric shaft, an upper clamping sleeve is sleeved outside the end part of the piston rod and outside the eccentric shaft, the lower end of the upper clamping sleeve is fixedly connected with an outer sleeve through a sleeve threaded hole and a clamping sleeve thread, and the lower end of the outer sleeve is fixedly connected with the rotary clamping cylinder through a screw, so that the end part of the fixedly connected rotary clamping; the upper end of the eccentric shaft is integrally provided with a positioning head, the axial rotation axis of the positioning head and the axial rotation axis of the eccentric shaft are arranged in an eccentric distance e, and the upper ends of the positioning head and the eccentric shaft sequentially penetrate through an outer sleeve and an upper cutting sleeve to extend out of the upper cutting sleeve; the piston rod drives the positioning head to rotate clockwise by +180 degrees or anticlockwise by-180 degrees.

The outer side of the eccentric shaft at the upper end part of the piston rod is fixedly connected with a shaft locking nut in a threaded manner, the lower surface of the shaft locking nut is attached to the surface of the upper end part of the piston rod, the upper thread of the cutting sleeve thread at the outer side of the upper cutting sleeve is fixedly connected with a cutting sleeve locking nut in a threaded manner, and the lower surface of the cutting sleeve locking nut is attached to the surface of the upper end part of the outer sleeve;

the eccentric shaft middle section is equipped with axle installation incision respectively, it cuts the platform to go up the cutting ferrule upper end and is equipped with the cutting ferrule, the cutting ferrule cuts a platform axial height and is greater than the first axial height of location, the cutting ferrule is cut and is equipped with cutting ferrule installation incision on the last cutting ferrule of platform downside respectively, the cutting ferrule lock nut outside is equipped with nut installation incision respectively.

The utility model has the advantages that:

the clamping apparatus clamps and fixes a plastic workpiece by utilizing the principle of two-axis eccentricity, eliminates the deformation influence of the plastic workpiece, is suitable for positioning and clamping the plastic workpiece, a non-metal workpiece and a sheet metal workpiece, is more suitable for the plastic workpiece or the sheet metal workpiece, is similar to the workpiece which has large area, thin thickness and easy deformation after injection molding, has small clamping resultant force when clamping and positioning, is difficult to deform, can correct the deformation of the workpiece, is more convenient to place the workpiece, is easier to feed and discharge, and improves the production efficiency when meeting the technical requirements.

Drawings

Fig. 1 is a schematic structural view showing six fixtures clamping and fixing a workpiece on a workbench.

Fig. 2 is a schematic perspective view of the present clip.

Fig. 3 is a front view schematically showing the structure of the present clip.

Fig. 4 is a left side view schematically showing the structure of the jig.

Fig. 5 is a rear view of the fixture.

Fig. 6 is a schematic top view of the fixture.

Fig. 7 is a schematic view of the cross-sectional structure a-a in fig. 3.

Figure 8 is a schematic view of the fixture positioning head passing through a workpiece tooling hole without rotation.

Figure 9 is a schematic view of the fixture positioning head rotated 180 through the workpiece tooling hole.

The number of the attached drawing in the figure is 1-workpiece, 11-workpiece process hole, 2-workbench, 3-clamp, 31-rotary clamping cylinder, 311-piston rod, 3111-rod threaded hole, 32-outer sleeve, 321-sleeve threaded hole, 322-screw, 33-upper cutting sleeve, 331-cutting sleeve cutting table, 332-cutting sleeve thread, 333-cutting sleeve mounting notch, 34-eccentric shaft, 341-positioning head, 342-shaft mounting notch, 343-shaft external thread, 35-cutting sleeve locking nut, 351-nut mounting notch, 36-shaft locking nut and e-eccentricity.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings, but it should be noted that the present invention is not limited to the following embodiments.

It should be noted that "left", "right", "upper" and "lower" are only exemplary directions defined for convenience of describing the present invention, and as shown in fig. 3, the left side direction of the paper surface is "left", the right side direction of the paper surface is "right", the left and right side directions of the paper surface are "transverse", the upper side direction of the paper surface is "upper", the lower side direction of the paper surface is "lower", and the vertical direction of the upper and lower sides of the paper surface is "axial", although those skilled in the art will understand on the basis of the present invention that the directions "left", "right", "upper" and "lower" may be defined in other ways and also fall within the protection scope of the present invention.

As shown in figures 2 to 7, the pneumatic clamp for the glue spreader equipment tool fixes a workpiece 1 by using a rotary clamping cylinder 31 and is used for fixing the workpiece 1 of a metal part and a non-metal part,

the upper end part of the piston rod 311 of the rotary clamping cylinder 31 is fixedly connected with the lower end part of the eccentric shaft 34 through a rod threaded hole 3111 and an external shaft thread 343, the outer side of the end part of the piston rod 311, the outer side of the shaft locking nut 36 and the outer side of the eccentric shaft 34 are sleeved with an upper clamping sleeve 33, the lower end 33 of the upper clamping sleeve is fixedly connected with the outer sleeve 32 through a sleeve threaded hole 321 and a clamping sleeve thread 332, and the lower end of the outer sleeve 32 is fixedly connected with the rotary clamping cylinder 31 through screws 322 arranged on the left side and the right side of the outer sleeve 32, so that the fixedly;

the upper end of the eccentric shaft 34 is provided with a positioning head 341 in an integrated round table shape, the axial vertical rotation axis of the positioning head 341 and the axial vertical rotation axis of the eccentric shaft 34 are arranged in an eccentric distance e, and the upper ends of the positioning head 341 and the eccentric shaft 34 sequentially penetrate through the outer sleeve 32 and the upper cutting sleeve 33 and extend out of the upper cutting sleeve 33;

the outer side of the eccentric shaft 34 on the upper side of the upper end of the piston rod 311 is fixedly connected with a shaft locking nut 36 in a threaded manner, the lower surface of the shaft locking nut 36 is connected with the surface of the upper end of the piston rod 311 in an attaching manner, the upper thread of the cutting sleeve thread 332 on the outer side of the upper cutting sleeve 33 is fixedly connected with a cutting sleeve locking nut 35 in a threaded manner, and the lower surface of the cutting sleeve locking nut 35 is connected with the surface of the upper end of the;

the middle section of the eccentric shaft 34 is circumferentially halved and is respectively provided with a shaft mounting notch 342, the right side of the upper end part of the upper cutting sleeve 33 is provided with a cutting sleeve cutting table 331, the axial height of the cutting sleeve cutting table 331 is greater than that of the positioning head 341, the upper cutting sleeve 33 on the lower side of the cutting sleeve cutting table 331 is circumferentially halved and is respectively provided with a cutting sleeve mounting notch 333, and the outer side of the cutting sleeve locking nut 35 is circumferentially quartered and is respectively provided with a nut mounting notch 351.

As shown in fig. 1 and fig. 8 to 9, the present clamping apparatus 3 clamps and fixes the workpiece 1 by using the principle of two-axis eccentricity, and adopts the method of driving the integrated eccentric shaft 34 and the positioning head 341 to move up and down and rotate circumferentially by the revolving clamping cylinder 31. Initially, a workpiece 1 is placed on a worktable 2, and more than 2 clamps 3 are arranged on the worktable 2 according to the process requirements, as shown in fig. 1, a state that 6 clamps 3 position the workpiece 1.

The piston rod 311 of the rotary clamping cylinder 31 is at a jacking original position, the positioning head 341 is positioned in the cutting sleeve cutting table 331 of the upper cutting sleeve 33 at the moment, after the workpiece 1 is placed on the workbench 2, the glue spreader equipment control device ensures that the rotation center of the workpiece process hole 11 at the edge of the workpiece 1 is aligned with the rotation center of the positioning head 341 (the positioning head 341 is arranged in a truncated cone shape to facilitate alignment with the rotation center of the workpiece process hole 11), the piston rod 311 of the rotary clamping cylinder 31 drives the positioning head 341 to move upwards so that the positioning head 341 passes through the workpiece process hole 11, the piston rod 311 of the rotary clamping cylinder 31 stops moving, and then the piston rod 311 drives the positioning head 341 to rotate clockwise +180 degrees or anticlockwise-180 degrees. After the piston rod 311 drives the positioning head 341 to rotate in place, the control device ensures that the piston rod 311 of the rotary clamping cylinder 31 drives the positioning head 341 to move downwards, and the workpiece 1 is in contact with the lower surface of the positioning head 341, so that the workpiece 1 is clamped and fixed on the workbench 2, the deformation influence of the workpiece 1 is eliminated, and the reliability of gluing and sealing of the workpiece 1 is improved. The gluing head of the gluing machine carries out gluing operation along the edge gluing track of the workpiece 1, after the gluing operation is finished, the piston rod 311 drives the positioning head 341 to move upwards and loosen, the positioning head 341 returns to the original rotating position, the piston rod 311 drives the positioning head 341 to move downwards to the original moving position, the workpiece 1 is dismounted, and the operation is repeated to carry out the next gluing operation.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A pneumatic fixture for a glue spreader equipment tool is characterized in that a rotary clamping cylinder is used for fixing workpieces and is used for fixing workpieces of metal parts and non-metal parts, the upper end of a piston rod of the rotary clamping cylinder is fixedly connected with the lower end of an eccentric shaft through a rod threaded hole, an external shaft thread, the outer side of the end of the piston rod and the outer side of the eccentric shaft are sleeved with an upper clamping sleeve, the lower end of the upper clamping sleeve is fixedly connected with an outer sleeve through a sleeve threaded hole, a clamping sleeve thread and the lower end of the outer sleeve is fixedly connected with the rotary clamping cylinder through a screw, so that the end of the fixedly connected rotary clamping cylinder and; the upper end of the eccentric shaft is integrally provided with a positioning head, the axial rotation axis of the positioning head and the axial rotation axis of the eccentric shaft are arranged in an eccentric distance (e), and the upper ends of the positioning head and the eccentric shaft sequentially penetrate through the outer sleeve and the upper clamping sleeve to extend out of the upper clamping sleeve.

2. The pneumatic clamp for the glue spreader equipment tool according to claim 1, characterized in that: the piston rod drives the positioning head to rotate clockwise by +180 degrees or anticlockwise by-180 degrees.

3. The pneumatic clamp for the glue spreader equipment tool according to claim 1, characterized in that: and the outer side of the eccentric shaft at the upper end part of the piston rod is fixedly connected with a shaft locking nut in a threaded manner, and the lower surface of the shaft locking nut is attached to the surface of the upper end part of the piston rod.

4. The pneumatic clamp for the glue spreader equipment tool according to claim 1, characterized in that: the thread of the cutting sleeve outside the upper cutting sleeve is fixedly connected with a cutting sleeve locking nut, and the lower surface of the cutting sleeve locking nut is attached to the surface of the upper end of the outer sleeve.

5. The pneumatic clamp for the glue spreader equipment tool according to claim 4, characterized in that: and a nut mounting notch is formed in the outer side of the clamping sleeve locking nut.

6. The pneumatic clamp for the glue spreader equipment tool according to claim 1, characterized in that: and a shaft mounting notch is formed in the middle section of the eccentric shaft.

7. The pneumatic clamp for the glue spreader equipment tool according to claim 1, characterized in that: the upper end of the upper cutting sleeve is provided with a cutting sleeve cutting table, and the axial height of the cutting sleeve cutting table is greater than that of the positioning head.

8. The pneumatic clamp for the glue spreader equipment tool according to claim 7, characterized in that: the upper cutting sleeve on the lower side of the cutting sleeve cutting table is provided with a cutting sleeve mounting notch.