CN212824871U

CN212824871U - Machining vacuum suction clamping tool

Info

Publication number: CN212824871U
Application number: CN202021006657.6U
Authority: CN
Inventors: 曹裕平; 柯黎霞; 柯善斌; 曹佳斌
Original assignee: Shenzhen Zhonglichuang Metal Products Co ltd
Current assignee: Shenzhen Zhonglichuang Metal Products Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-03-30
Anticipated expiration: 2030-06-04

Abstract

The utility model relates to the technical field of clamping tools, in particular to a vacuum suction clamping tool for machining, which comprises a shell, wherein the surface of the shell is uniformly provided with a plurality of through holes, a movable block is arranged in each through hole, two sides of the movable block are provided with limiting mechanisms, the top of the movable block is provided with an opening, a dustproof mechanism is arranged below the opening, the bottom of the movable block is fixedly connected with a fixed block, a rubber sleeve is arranged below the fixed block, the rubber sleeve is fixedly connected on the inner wall of the bottom surface of each through hole, a spring is arranged in the rubber sleeve, the top of the spring is fixed at the top of the fixed block through a connecting mechanism, an air inlet groove is arranged in the shell, one end of the air inlet groove is arranged on the bottom surface of the shell, the other end of the air inlet groove penetrates through the shell and extends into the through, prevent that the dust from getting into the vacuum pump inside, influencing the life and the absorption effect of vacuum pump.

Description

Machining vacuum suction clamping tool

Technical Field

The utility model relates to a clamping system utensil field especially relates to a clamping system utensil is inhaled in machining vacuum.

Background

In the machining process, a large-area thin-wall structure with a complex geometric shape is often required to be machined, the vacuum clamp system can safely clamp a very thin workpiece without damaging the surface of the workpiece, and the clamping time of the workpiece can be effectively reduced and the standby time of the numerical control machining tool can be efficiently reduced by assisting with a necessary mechanical clamping mode.

When the vacuum suction clamping tool is not used for a long time, dust is prone to blocking a vacuum suction pipeline, and when the vacuum pump is started, the dust in the vacuum suction pipeline is prone to being sucked into the vacuum pump, so that the service life and the suction effect of the vacuum pump are affected, and the situation that connection between the vacuum suction clamping tool and an object is unstable is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a machining vacuum suction clamping tool.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a vacuum suction clamping tool for machining comprises a shell, wherein a plurality of through holes are uniformly formed in the surface of the shell, a movable block is arranged in each through hole, limiting mechanisms are arranged on two sides of each movable block, an opening is formed in the top of each movable block, a dustproof mechanism is arranged below each opening, a fixed block is fixedly connected to the bottom of each movable block, a rubber sleeve is arranged below each fixed block and fixedly connected to the inner wall of the bottom of each through hole, a spring is arranged in each rubber sleeve, the top of each spring is fixed to the top of each fixed block through a connecting mechanism, an air inlet groove is formed in the shell, one end of each air inlet groove is arranged on the bottom of the shell, the other end of each air inlet groove penetrates through the shell and extends into each through hole, the connecting mechanism is arranged above the air inlet grooves, the bottom surface of the air inlet bag is provided with a mounting hole, and the mounting hole is connected with a vacuum pump through a pipeline.

Preferably, coupling mechanism is including setting up in a plurality of fixed strips of spring top, fixed strip top fixed connection is on the fixed block bottom surface to the solid fixed ring of fixed strip one end fixedly connected with, gu fixed ring both sides fixedly connected with piston, the spout that corresponds with the piston is seted up to the through-hole both sides, the piston sets up inside the spout to the piston is located the recess top of admitting air, piston one end top is the downward sloping state.

Preferably, stop gear is including setting up in the arch of movable block both sides, the arch sets up inside the spout to the arch is connected with the contact of spout inner wall.

Preferably, dustproof mechanism is including offering the inside first air inlet duct of movable block, first air inlet duct is "L" type to first air inlet duct top sets up in the opening below, first air inlet duct end is provided with ascending perpendicular groove, it is equipped with the second air inlet duct that is "L" type to erect the terminal intercommunication in groove, the second air inlet duct end runs through the movable block bottom surface.

Preferably, the surface of the shell is provided with a rubber pad corresponding to the through hole, and the rubber pad is arranged at the edge of the outer side of the through hole.

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

1. when the device is not used, dust passes through the opening and enters the first air inlet groove, and the tail end of the first air inlet groove is provided with an upward vertical groove, so that the dust is accumulated at the bottom of the first air inlet groove.

2. Absorb spout inside air through the vacuum pump, make the piston drive the movable block gliding, make the rubber sleeve shrink, the volume of rubber sleeve reduces fast, and inside gas passes second air inlet duct, erects groove, first air inlet duct in proper order to wash out to the opening outside, thereby wash out the inside dust of first air inlet duct, prevent inside the dust gets into the vacuum pump, influences the life and the absorption effect of vacuum pump.

Drawings

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

fig. 2 is a partial cross-sectional view of the present invention;

fig. 3 is a schematic structural view of the position a of the present invention;

fig. 4 is a schematic view of the bottom structure of the present invention.

In the figure: casing 1, air inlet bag 2, movable block 3, opening 4, arch 5, spout 6, fixed block 7, rubber sleeve 8, spring 9, piston 10, fixed strip 11, air inlet groove 12, rubber pad 13, mounting hole 14, first air inlet duct 15, second air inlet duct 16, perpendicular groove 17, through-hole 18, solid fixed ring 19.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-3, the machining vacuum suction clamping fixture comprises a housing 1, wherein a plurality of through holes 18 are uniformly formed in the surface of the housing 1, rubber pads 13 corresponding to the through holes 18 are arranged on the surface of the housing 1, the rubber pads 13 are arranged at the outer edges of the through holes 18, movable blocks 3 are arranged in the through holes 18, limiting mechanisms are arranged on two sides of each movable block 3, each limiting mechanism comprises protrusions 5 arranged on two sides of each movable block, the protrusions 5 are arranged in sliding chutes 6, and the protrusions 5 are in contact connection with the inner walls of the sliding chutes 6;

opening 4 has been seted up at the 3 tops of movable block, and opening 4 below is provided with dustproof mechanism, and dustproof mechanism is including offering in the inside first air inlet duct 15 of movable block 3, and first air inlet duct 15 is "L" type to 15 tops of first air inlet duct set up in opening 4 below, and 15 ends of first air inlet duct are provided with ascending perpendicular groove 17, and the end intercommunication in perpendicular groove 17 is equipped with the second air inlet duct 16 that is "L" type, and 16 end run through the 3 bottom surfaces of movable block in the second air inlet duct.

The implementation mode is specifically as follows: the sealing performance of the device is improved through the rubber pad 13, and the movable block 3 is fixed inside the through hole 18 by arranging the protrusion 5 inside the sliding groove 6, so that the movable block 3 is prevented from rotating inside the through hole 18 when moving;

the dust passes inside opening 4 gets into first air inlet duct 15, because first air inlet duct 15 end is equipped with ascending perpendicular groove 17 to make the dust pile up in first air inlet duct 15 bottom, prevent when starting the vacuum pump, inside the dust got into the vacuum pump, influence the life of vacuum pump and absorb the effect.

As shown in fig. 1-4, a fixed block 7 is fixedly connected to the bottom of the movable block 3, a rubber sleeve 8 is arranged below the fixed block 7, the rubber sleeve 8 is fixedly connected to the inner wall of the bottom surface of the through hole 18, a spring 9 is arranged inside the rubber sleeve 8, the top of the spring 9 is fixed to the top of the fixed block 7 through a connecting mechanism, an air inlet groove 12 is arranged inside the casing 1, one end of the air inlet groove 12 is arranged on the bottom surface of the casing 1, the other end of the air inlet groove 12 penetrates through the casing 1 and extends into the through hole 18, the connecting mechanism is arranged above the air inlet groove 12 and comprises a plurality of fixed strips 11 arranged above the spring 9, the tops of the fixed strips 11 are fixedly connected to the bottom surface of the fixed block 7, one ends of the fixed strips 11 are fixedly connected with a fixed ring 19, pistons 10 are fixedly connected to, the piston 10 is positioned above the air inlet groove 12, and the top surface of one end of the piston 10 is in a downward inclined state;

the edge of the bottom surface of the shell 1 is fixedly connected with an air inlet bag 2, the bottom surface of the air inlet bag 2 is provided with a mounting hole 14, and the mounting hole 14 is connected with a vacuum pump through a pipeline.

The implementation mode is specifically as follows: starting a vacuum pump, sucking air in the air inlet bag 2 by the vacuum pump, then sucking air in the sliding chute 6 through the air inlet groove 12 to reduce the air pressure in the sliding chute 6, so that the piston 10 slides downwards and pulls the fixing ring 19 downwards, the movable block 3 slides downwards in the through hole 18 along with the fixing ring 19, the fixing ring 19 downwards extrudes the spring 9 and the rubber sleeve 8, the spring 9 contracts to generate elastic force, the rubber sleeve 8 contracts to rapidly reduce the volume of the rubber sleeve 8, the internal air sequentially passes through the second air inlet groove 16, the vertical groove 17 and the first air inlet groove 15 and rushes out to the outside of the opening 4, so that dust in the first air inlet groove 15 is rushed out to prevent the dust from entering the vacuum pump, finally, the top surface of one end of the piston 10 is in a downward inclined state and sucked into one side of the air inlet groove 12, and the vacuum pump sucks air in the first air inlet groove 15 through one end of the, thereby sucking air outside the opening 4 through the first air intake duct 15, and giving suction to the device, facilitating the suction of the article by the suction.

The utility model discloses the theory of operation:

referring to the description and to fig. 1-4, when the device is not in use, dust enters the first air inlet slot 15 through the opening 4, and the dust is accumulated at the bottom of the first air inlet slot 15 due to the upward vertical slot 17 arranged at the tail end of the first air inlet slot 15;

when the device is used, firstly, a vacuum pump is started, the vacuum pump absorbs air in the air inlet bag 2, then, air in the sliding chute 6 is absorbed through the air inlet groove 12, the air pressure in the sliding chute 6 is reduced, so that the piston 10 slides downwards, the fixing ring 19 is pulled downwards, the movable block 3 slides downwards in the through hole 18 along with the fixing ring 19, the movable block 3 is fixed in the through hole 18 through the bulge 5, the movable block 3 is prevented from rotating in the through hole 18 when moving, the fixing ring 19 downwards extrudes the spring 9 and the rubber sleeve 8, the spring 9 shrinks to generate elasticity, the rubber sleeve 8 shrinks, the size of the rubber sleeve 8 is rapidly reduced, internal air sequentially passes through the second air inlet groove 16, the vertical groove 17 and the first air inlet groove 15 and rushes out to the outer side of the opening 4, so that dust in the first air inlet groove 15 is rushed out, and the dust is prevented from entering the vacuum pump, finally, the top surface of one end of the piston 10 is in a downward inclined state and is sucked into one side of the air inlet groove 12, the vacuum pump sucks air inside the first air inlet groove 15 through the downward inclined end of the top surface of the piston 10, so that air outside the opening 4 is sucked through the first air inlet groove 15, the device is enabled to have suction force, and articles are conveniently sucked through the suction force.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment 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 machining vacuum suction clamping tool, includes casing (1), its characterized in that: a plurality of through holes (18) are uniformly formed in the surface of the shell (1), a movable block (3) is arranged in each through hole (18), limiting mechanisms are arranged on two sides of each movable block (3), an opening (4) is formed in the top of each movable block (3), a dustproof mechanism is arranged below each opening (4), a fixed block (7) is fixedly connected to the bottom of each movable block (3), a rubber sleeve (8) is arranged below each fixed block (7), each rubber sleeve (8) is fixedly connected to the inner wall of the bottom surface of each through hole (18), a spring (9) is arranged in each rubber sleeve (8), the top of each spring (9) is fixed to the top of each fixed block (7) through a connecting mechanism, an air inlet groove (12) is formed in each shell (1), one end of each air inlet groove (12) is arranged on the bottom surface of each shell (1), and the other end of each air inlet groove (12) penetrates through each shell (1), the connecting mechanism is arranged above the air inlet groove (12), the edge of the bottom surface of the shell (1) is fixedly connected with an air inlet bag (2), a mounting hole (14) is formed in the bottom surface of the air inlet bag (2), and the mounting hole (14) is connected with a vacuum pump through a pipeline.

2. The machining vacuum suction jig according to claim 1, characterized in that: coupling mechanism is including setting up in a plurality of fixed strip (11) of spring (9) top, fixed strip (11) top fixed connection is on fixed block (7) bottom surface to fixed strip (11) one end fixedly connected with solid fixed ring (19), gu fixed ring (19) both sides fixedly connected with piston (10), spout (6) that correspond with piston (10) are seted up to through-hole (18) both sides, piston (10) set up inside spout (6) to piston (10) are located air inlet groove (12) top, piston (10) one end top surface is the downward sloping state.

3. The machining vacuum suction clamping fixture as claimed in claim 2, wherein the limiting mechanism comprises protrusions (5) arranged on two sides of the movable block, the protrusions (5) are arranged inside the sliding groove (6), and the protrusions (5) are in contact connection with the inner wall of the sliding groove (6).

4. The machining vacuum suction jig according to claim 1, characterized in that: dustproof mechanism is including offering in inside first air inlet duct (15) of movable block (3), first air inlet duct (15) are "L" type to first air inlet duct (15) top sets up in opening (4) below, first air inlet duct (15) end is provided with ascending perpendicular groove (17), it is equipped with second air inlet duct (16) that are "L" type to erect terminal intercommunication in groove (17), second air inlet duct (16) end runs through movable block (3) bottom surface.

5. The machining vacuum suction jig according to claim 1, characterized in that: the surface of the shell (1) is provided with a rubber pad (13) corresponding to the through hole (18), and the rubber pad (13) is arranged at the edge of the outer side of the through hole (18).