CN211361491U

CN211361491U - Vacuum clamp for small and miniature sheet parts

Info

Publication number: CN211361491U
Application number: CN201922122279.1U
Authority: CN
Inventors: 李文德
Original assignee: Shijiazhuang Langmai Electronic Co ltd
Current assignee: Shijiazhuang Langmai Electronic Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-08-28
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a little miniature thin slice class part vacuum fixture, including fixture base, fixture base is the cuboid structure, a plurality of fixture fixed slot has been seted up to fixture base upper end rectangle array, vacuum breathing pipe of fixture base front end middle part fixedly connected with, the one end that fixture base was kept away from to the vacuum breathing pipe is provided with a breather hose, fastener of fixedly connected with alternates jointly with the breather hose surface vacuum breathing pipe, the part that fixture base is located fixture fixed slot below is provided with a vacuum suction chamber. Little miniature thin slice class part vacuum fixture, reasonable in design, simple structure can improve production efficiency greatly and carry, has improved the punctual rate of delivery of order to promote product quality, reduced staff's intensity of labour, also showing the reduction to staff's technical ability requirement, can avoid simultaneously because the clamping reason leads to part departure in the course of working, the production security improves.

Description

Vacuum clamp for small and miniature sheet parts

Technical Field

The utility model relates to a high efficiency frock clamp field, in particular to little miniature thin slice class part vacuum fixture.

Background

The fixture is an important component of a numerical control machining center, a workpiece is fixed on the accurate position of a machine tool through the fixture, various machining on the workpiece is completed, the quality of the structure of the fixture has vital influence on machining precision and machining efficiency, and not only is accurate in walking realized, but also clamping is reliable; in the prior art, when a conventional universal fixture is adopted to fix and produce flat plate parts such as a chassis and a heat sink, on one hand, the production efficiency is low, on the other hand, the product is easy to deform, the surface of the product is easy to scratch, and the product quality is unstable; and moreover, the clamping of the staff is not firm, so that the staff flies out in the machining process, and potential safety hazards exist, so that a novel small and miniature sheet part vacuum clamp is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a little miniature thin slice class part vacuum fixture can effectively solve the problem in the background art.

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

small miniature thin slice class part vacuum fixture, including the fixture base, the fixture base is the cuboid structure, a plurality of fixture fixed slot has been seted up to fixture base upper end rectangular array, a vacuum breathing pipe of fixture base front end middle part fixedly connected with, the one end that the fixture base was kept away from to the vacuum breathing pipe is provided with a breather hose, a fastener of fixedly connected with is alternated jointly to vacuum breathing pipe and breather hose surface, the part that the fixture base is located fixture fixed slot below is provided with a vacuum suction chamber.

Preferably, one end of the vacuum suction pipe, which is far away from the tool base, is fixedly connected with a connecting pipe, the connecting pipe and the vacuum suction pipe are of an integral structure, the section diameter of the connecting pipe is smaller than that of the vacuum suction pipe, the section diameter of the ventilation hose is the same as that of the vacuum suction pipe, one end of the connecting pipe, which is far away from the vacuum suction pipe, extends to an inner cavity of the ventilation hose, and the front end face of the pipe wall of the vacuum suction pipe is tightly attached to the rear end face of the pipe.

Preferably, the fastener includes an upper fixed plate and a lower fixed plate, an upper fixed plate and a lower fixed plate are arc-shaped plate structures, a hinge is fixedly connected with the left end of the upper fixed plate and the left end of the lower fixed plate, one end of the upper fixed plate and one end of the lower fixed plate, far away from the hinge, are respectively and fixedly provided with an upper stabilizing plate and a lower stabilizing plate, a screw hole which is penetrated from top to bottom is formed in the middle of the upper end of the upper stabilizing plate and the middle of the upper end of the lower stabilizing plate, a flat head screw is inserted into the screw hole in a penetrating mode, the lower end of the flat head screw penetrates through the lower stabilizing plate and extends to the lower portion of the lower stabilizing plate.

Preferably, the inner concave surfaces of the upper fixing plate and the lower fixing plate are fixedly provided with a rubber pad, and the opposite surfaces of the two rubber pads cover the joint of the vacuum suction pipe and the air hose.

Preferably, the fixture fixing groove is of a cuboid-shaped concave structure, a processing supporting pad is fixedly mounted at each of four corners of the bottom of the fixture fixing groove, a fixture positioning pad is fixedly mounted at the middle of the bottom of the fixture fixing groove, the height of the fixture positioning pad is equal to that of the processing supporting pad, an air suction hole penetrating from top to bottom is formed in the middle of the upper end of the fixture positioning pad, and the fixture fixing groove is communicated with the inside of the vacuum air suction cavity through the air suction hole.

Preferably, one end of the air hose, which is far away from the vacuum suction pipe, is fixedly connected to the output end of the vacuum pump, and the air hose is communicated with the inside of the vacuum suction cavity through the vacuum suction pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model relates to a little miniature thin slice class part vacuum fixture, through being provided with the fastener, can be when equipment fixture frock, be connected the breather hose on the vacuum aspirator pump with the vacuum breathing pipe fast, reduced the processing degree of difficulty on the one hand through setting up the fixture fixed slot into the latticed, on the other hand has improved positioning accuracy, the utility model relates to a rationally, can improve production efficiency greatly and carry, make full use of the productivity of equipment, improved the punctual rate of delivery of order to promote product quality, reduced staff's intensity of labour, also show the reduction to staff's technical requirement, can avoid simultaneously because the clamping reason leads to the part departure in the course of working, the production security improves.

Drawings

FIG. 1 is a schematic view of the overall structure of the vacuum fixture for small and miniature thin-sheet parts of the present invention;

FIG. 2 is a schematic view of the connection between the air hose and the vacuum suction pipe of the vacuum fixture for small and micro thin-sheet parts according to the present invention;

FIG. 3 is a schematic view of the overall structure of the fastening member of the vacuum fixture for small and micro thin-sheet parts of the present invention;

FIG. 4 is a schematic view of the overall structure of the fixture fixing groove of the vacuum fixture for small and micro thin-sheet parts according to the present invention;

fig. 5 is a cross-sectional view of the tooling base of the small and miniature thin sheet part vacuum fixture of the present invention.

In the figure: 1. a tooling base; 2. an air hose; 3. a vacuum suction duct; 4. a fastener; 5. a fixture fixing groove; 6. a connecting pipe; 7. an upper fixing plate; 8. a lower fixing plate; 9. a hinge; 10. an upper stabilizing plate; 11. a lower stabilizing plate; 12. a screw hole; 13. a flat head screw; 14. a nut; 15. a rubber pad; 16. processing a supporting pad; 17. a fixture positioning pad; 18. a suction hole; 19. a vacuum aspiration chamber.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, a small miniature sheet part vacuum fixture comprises a fixture base 1, wherein the fixture base 1 is of a cuboid structure, a plurality of fixture fixing grooves 5 are formed in a rectangular array at the upper end of the fixture base 1, a vacuum suction pipe 3 is fixedly connected to the middle of the front end of the fixture base 1, an air hose 2 is arranged at one end, away from the fixture base 1, of the vacuum suction pipe 3, a fastener 4 is fixedly connected to the outer surfaces of the vacuum suction pipe 3 and the air hose 2 in a penetrating mode, and a vacuum suction cavity 19 is formed in the portion, below the fixture fixing grooves 5, of the fixture base 1.

One end of the vacuum suction pipe 3, which is far away from the tool base 1, is fixedly connected with a connecting pipe 6, the connecting pipe 6 and the vacuum suction pipe 3 are of an integral structure, the integral strength is increased, the section diameter of the connecting pipe 6 is smaller than that of the vacuum suction pipe 3, the section diameter of the air hose 2 is the same as that of the vacuum suction pipe 3, one end of the connecting pipe 6, which is far away from the vacuum suction pipe 3, extends to the inner cavity of the air hose 2, the front end face of the pipe wall of the vacuum suction pipe 3 is tightly attached to the rear end face of the pipe wall of the air hose 2, and; the fastener 4 comprises an upper fixing plate 7 and a lower fixing plate 8, the upper fixing plate 7 and the lower fixing plate 8 are both arc-shaped plate-shaped structures, and the left ends of the upper fixing plate 7 and the lower fixing plate 8 are fixedly connected with a hinge 9 together, so that the upper fixing plate 7 and the lower fixing plate 8 can rotate freely, one ends of the upper fixing plate 7 and the lower fixing plate 8 far away from the hinge 9 are fixedly provided with an upper stabilizing plate 10 and a lower stabilizing plate 11 respectively, the middle parts of the upper ends of the upper stabilizing plate 10 and the lower stabilizing plate 11 are provided with a screw hole 12 which is penetrated through up and down, a flat head screw 13 is inserted and connected in the two screw holes 12 together, the lower end of the flat head screw 13 penetrates through the lower stabilizing plate 11 and extends to the lower part thereof, and a part of the outer wall of the grub screw 13 below the lower stabilizing plate 11 is threaded with a nut 14, the upper fixing plate 7 and the lower fixing plate 8 can be fixed relatively through flat head screws 13 and nuts 14; the inner concave surfaces of the upper fixing plate 7 and the lower fixing plate 8 are fixedly provided with a rubber pad 15, and the opposite surfaces of the two rubber pads 15 cover the joint of the vacuum suction pipe 3 and the air hose 2, so that the air hose 2 and the vacuum suction pipe 3 can be fastened, and the sealing performance is good; the fixture fixing groove 5 is of a cuboid-shaped concave structure, the four corners of the bottom of the fixture fixing groove 5 are fixedly provided with a processing supporting pad 16, the middle part of the bottom of the fixture fixing groove 5 is fixedly provided with a fixture positioning pad 17, the height of the fixture positioning pad 17 is the same as that of the processing supporting pad 16, damage to a workpiece during processing is prevented, the middle part of the upper end of the fixture positioning pad 17 is provided with an air suction hole 18 which penetrates up and down, and the fixture fixing groove 5 is communicated with the inside of a vacuum air suction cavity 19 through the air suction hole 18; one end of the air hose 2, which is far away from the vacuum suction pipe 3, is fixedly connected to the output end of the vacuum pump, the air hose 2 is communicated with the inside of the vacuum suction cavity 19 through the vacuum suction pipe 3, and negative pressure can be formed in the vacuum suction cavity 19 after the vacuum pump works.

It should be noted that, the utility model relates to a small miniature sheet part vacuum fixture, unscrew nut 14 earlier during the use, thereby make top plate 7 and bottom plate 8 relatively separate, the cross-sectional diameter of connecting pipe 6 is less than the cross-sectional diameter of vacuum breathing pipe 3, the cross-sectional diameter of breather hose 2 is the same with the cross-sectional diameter of vacuum breathing pipe 3, thereby can embolia the connecting pipe 6 of vacuum breathing pipe 3 one end far away from fixture base 1 to the breather hose 2 inner chamber, make two rubber pads 15 cover the seam crossing of vacuum breathing pipe 3 and breather hose 2 simultaneously, screw up nut 14, can be in the same place with breather hose 2 fixed connection with vacuum breathing pipe 3, and have good leakproofness, put the work piece into fixture fixed slot 5, make the vacuum pump work, can form the negative pressure in vacuum breathing chamber 19, thereby play the fixed effect of absorption to the work piece, the fixture locating pad 17 highly is the same with processing supporting pad 16's height, prevents to add the work piece damage man-hour, the utility model relates to a rationally, simple structure can improve production efficiency greatly and carry, has improved the punctual delivery rate of order to promote product quality, reduced staff's intensity of labour, also show the reduction to staff's requirement of skill, can avoid simultaneously because the clamping reason leads to part departure in the course of working, the production security improves.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a little miniature sheet class part vacuum fixture, includes fixture base (1), its characterized in that: the fixture base is characterized in that the fixture base (1) is of a cuboid structure, a plurality of fixture fixing grooves (5) are formed in a rectangular array at the upper end of the fixture base (1), a vacuum suction pipe (3) is fixedly connected to the middle of the front end of the fixture base (1), one end, away from the fixture base (1), of the vacuum suction pipe (3) is provided with an air hose (2), a fastener (4) fixedly connected to the outer surfaces of the vacuum suction pipe (3) and the air hose (2) is inserted together, and a vacuum suction cavity (19) is formed in the portion, located below the fixture fixing grooves (5), of the fixture base (1).

2. The vacuum chuck for small micro-sheet parts as claimed in claim 1, wherein: the tool base (1) is kept away from one end of the vacuum suction pipe (3), the connecting pipe (6) is fixedly connected with the vacuum suction pipe (3), the connecting pipe (6) and the vacuum suction pipe (3) are of an integral structure, the section diameter of the connecting pipe (6) is smaller than that of the vacuum suction pipe (3), the section diameter of the air hose (2) is the same as that of the vacuum suction pipe (3), one end, far away from the vacuum suction pipe (3), of the connecting pipe (6) extends to the inner cavity of the air hose (2), and the front end face of the pipe wall of the vacuum suction pipe (3) is tightly attached to the rear end face of the pipe wall of the air.

3. The vacuum chuck for small micro-sheet parts as claimed in claim 1, wherein: the fastener (4) comprises an upper fixing plate (7) and a lower fixing plate (8), the upper fixing plate (7) and the lower fixing plate (8) are both arc-shaped plate-shaped structures, and the left ends of the upper fixing plate (7) and the lower fixing plate (8) are fixedly connected with a hinge (9) together, one ends of the upper fixing plate (7) and the lower fixing plate (8) far away from the hinge (9) are respectively fixedly provided with an upper stabilizing plate (10) and a lower stabilizing plate (11), the middle parts of the upper ends of the upper stabilizing plate (10) and the lower stabilizing plate (11) are respectively provided with a screw hole (12) which is penetrated through from top to bottom, a flat head screw (13) is inserted and connected in the two screw holes (12) together, the lower end of the flat head screw (13) penetrates through the lower stabilizing plate (11) and extends to the lower part thereof, and a part of the outer wall of the flat head screw (13) which is positioned below the lower stabilizing plate (11) is connected with a nut (14) in a threaded manner.

4. The small microchip part vacuum jig as defined in any one of claims 1 to 3, wherein: the inner concave surfaces of the upper fixing plate (7) and the lower fixing plate (8) are fixedly provided with a rubber pad (15), and the opposite surfaces of the two rubber pads (15) cover the joint of the vacuum suction pipe (3) and the ventilation hose (2).

5. The vacuum chuck for small micro-sheet parts as claimed in claim 1, wherein: the fixture fixing groove (5) is of a cuboid-shaped concave structure, a processing supporting pad (16) is fixedly mounted at each of four corners of the bottom of the fixture fixing groove (5), a fixture positioning pad (17) is fixedly mounted at the middle of the bottom of the fixture fixing groove (5), the height of the fixture positioning pad (17) is the same as that of the processing supporting pad (16), an air suction hole (18) which is vertically penetrated is formed in the middle of the upper end of the fixture positioning pad (17), and the fixture fixing groove (5) is communicated with the inside of a vacuum air suction cavity (19) through the air suction hole (18).

6. The vacuum chuck for small micro-sheet parts as claimed in claim 1, wherein: one end of the ventilation hose (2) far away from the vacuum suction pipe (3) is fixedly connected with the output end of the vacuum pump, and the ventilation hose (2) is communicated with the inside of the vacuum suction cavity (19) through the vacuum suction pipe (3).