CN210818162U

CN210818162U - Positioning fixture for aluminum alloy machining

Info

Publication number: CN210818162U
Application number: CN201921486211.5U
Authority: CN
Inventors: 李琅
Original assignee: Liaoning Donglin Reynaers Stock Co ltd
Current assignee: Liaoning Donglin Reynaers Stock Co ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-06-23
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses a positioning fixture is used in aluminum alloy processing, including bottom plate and cushion, the lower extreme rigid coupling of bottom plate has the cushion, the top left and right sides of bottom plate all links to each other with the box is fixed through the cushion, the internally mounted of box has power device, power device and clamping device's inboard all is equipped with stop device. This positioning fixture is used in aluminum alloy processing, through the pneumatic cylinder, the hydraulic stem, the down tube, the third riser, first sleeve, the diaphragm, the cooperation between rubber pad and the montant, it can't carry out the relatively poor problem of centre gripping effect that leads to carry out synchronous centre gripping location to have solved prior art, through the first riser, the second riser, a spring, the fixture block, the primary shaft holds, the second bearing, cooperation between third riser and the montant, can outwards stimulate the third riser after making the one side processing of accomplishing the work piece and rotate 180 degrees back pine and open and can accomplish the work piece upset, the problem that prior art can only carry out the centre gripping again when needs processing work piece another side is solved.

Description

Positioning fixture for aluminum alloy machining

Technical Field

The utility model relates to an aluminum alloy technical field specifically is a positioning fixture for aluminum alloy processing.

Background

Aluminum alloys are the most widely used class of non-ferrous structural materials in industry and have found a number of applications in the aerospace, automotive, mechanical manufacturing, marine and chemical industries. The rapid development of industrial economy has increased the demand for aluminum alloy welded structural parts, so that the research on the weldability of the aluminum alloy is also deepened, the clamp plays an important role in the process of machining the aluminum alloy, and although the aluminum alloy can be clamped in the prior art, the prior art has the problem that the clamping effect is poor due to the fact that synchronous clamping and positioning cannot be carried out, and meanwhile, the problem that the aluminum alloy can only be clamped again when the other surface of a workpiece needs to be machined is still existed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioning fixture is used in aluminum alloy processing to the existence of proposing in solving above-mentioned background art can't carry out synchronous centre gripping location and lead to the relatively poor problem of centre gripping effect, still has the problem that can only carry out the centre gripping again when needs processing work piece another side simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a positioning fixture for aluminum alloy processing, includes bottom plate and cushion, the lower extreme rigid coupling of bottom plate has the cushion, both sides all are equipped with clamping device about the top of bottom plate, the top left and right sides of bottom plate all links to each other with the box is fixed through the cushion, the internally mounted of box has power device, power device and clamping device's inboard all is equipped with stop device.

Preferably, power device includes hydraulic stem, first oil pipe, second oil pipe and pneumatic cylinder, the pneumatic cylinder rigid coupling is in the inside of box, the inside of pneumatic cylinder is equipped with the hydraulic stem, the hydraulic stem laminates with the pneumatic cylinder mutually, and hydraulic stem and box clearance fit, first oil pipe and second oil pipe have been processed respectively to the inside and outside both sides in top of pneumatic cylinder, the pneumatic cylinder all is linked together with external oil pump through first oil pipe and second oil pipe.

Preferably, the two hydraulic cylinders are axially symmetrically distributed by taking the vertical center of the bottom plate as a reference.

Preferably, clamping device includes down tube, first sleeve, montant, third riser, first bearing, rubber pad, diaphragm, second bearing and second sleeve, the inside center of montant is rotated with the hydraulic stem through first bearing and is linked to each other, the inboard center rigid coupling of box has the second sleeve, second sleeve and hydraulic stem clearance fit, the telescopic outer wall right side of second is passed through the second bearing and is rotated with the third riser and link to each other, the equal rigid coupling in upper and lower both sides of third riser has first sleeve, first telescopic inside is equipped with the down tube, down tube and the equal clearance fit of first sleeve and montant, the equal rigid coupling in inboard of down tube has the diaphragm, the equal rigid coupling in inside of diaphragm has the rubber pad.

Preferably, stop device includes spring, fixture block, sloping block, riser, second riser and flexure strip, the second riser rigid coupling is on telescopic outer wall right side of second, the riser is located telescopic outer wall left side of second, riser and second sleeve clearance fit, the telescopic outer wall of second is equipped with the spring, the inside and outside both sides of spring are fixed continuous with second riser and riser respectively, the equal rigid coupling in both sides has the fixture block about the right-hand member of riser, the top of riser is all fixed continuous with the sloping block through the flexure strip.

Preferably, a clamping structure is formed between the inclined block and the box body.

Compared with the prior art, the beneficial effects of the utility model are that: this positioning fixture is used in aluminum alloy processing, through the pneumatic cylinder, the hydraulic stem, the down tube, the third riser, first sleeve, the diaphragm, the cooperation between rubber pad and the montant, make the hydraulic stem stretch out and to promote down tube and diaphragm inwards remove and carry out the centre gripping to the work piece, the problem that prior art can't carry out synchronous centre gripping location and result in the centre gripping effect relatively poor is solved, through the first riser, the second riser, a spring, the fixture block, first bearing, the second bearing, cooperation between third riser and the montant, can outwards stimulate the third riser after making the one side processing of accomplishing the work piece and rotate 180 degrees back pine and open and can accomplish the work piece upset, the problem that prior art can only carry out the centre gripping again when needs processing work piece another side is solved.

Drawings

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

FIG. 2 is a schematic structural view of the case, the second sleeve and the latch of FIG. 1;

FIG. 3 is a schematic structural view of the spring, the first riser and the latch of FIG. 1;

fig. 4 is a schematic structural view of the vertical rod, the first bearing and the transverse plate in fig. 1.

In the figure: 1. the bottom plate, 2, stop device, 201, spring, 202, the fixture block, 203, the sloping block, 204, the first riser, 205, the second riser, 206, the flexure strip, 3, power device, 301, the hydraulic stem, 302, first oil pipe, 303, the second oil pipe, 304, the pneumatic cylinder, 4, clamping device, 401, the sloping pole, 402, first sleeve, 403, the montant, 404, the third riser, 405, first bearing, 406, the rubber pad, 407, the diaphragm, 408, the second bearing, 409, the second sleeve, 5, the cushion, 6, the cushion, 7, the box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a positioning fixture for aluminum alloy processing, including bottom plate 1 and cushion 6, the lower extreme rigid coupling of bottom plate 1 has cushion 6, cushion 6 can avoid bottom plate 1 to appear sliding, the top left and right sides of bottom plate 1 all is equipped with clamping device 4, both sides are all fixed continuous with box 7 through cushion 5 about the top of bottom plate 1, 1 accessible cushion of bottom plate 5 supports box 7, the internally mounted of box 7 has power device 3, power device 3 and clamping device 4's inboard all is equipped with stop device 2.

The power device 3 comprises a hydraulic rod 301, a first oil pipe 302, a second oil pipe 303 and hydraulic cylinders 304, the hydraulic cylinders 304 are fixedly connected inside the box body 7, the box body 7 can support the hydraulic cylinders 304, the hydraulic cylinders 304 are light HOB hydraulic cylinders, the hydraulic rod 301 is arranged inside the hydraulic cylinders 304, the hydraulic rod 301 is attached to the hydraulic cylinders 304, the hydraulic rod 301 can move inside the hydraulic cylinders 304 to ensure relative sealing in the moving process, the hydraulic rod 301 is in clearance fit with the box body 7, the hydraulic rod 301 can move inside the box body 7, the first oil pipe 302 and the second oil pipe 303 are respectively machined on the inner side and the outer side above the hydraulic cylinders 304, the hydraulic cylinders 304 are communicated with an external oil pump through the first oil pipe 302 and the second oil pipe 303, the external oil pump can control the extension and retraction of the hydraulic rod 301 by controlling the oil feeding sequence of the first oil pipe 302 and the second oil pipe 303, the two hydraulic cylinders 304 are axially symmetrically distributed by taking the vertical center of the bottom plate 1 as a, the two hydraulic cylinders 304 are relatively synchronized.

The clamping device 4 comprises an inclined rod 401, a first sleeve 402, a vertical rod 403, a third vertical plate 404, a first bearing 405, a rubber pad 406, a transverse plate 407, a second bearing 408 and a second sleeve 409, the center inside the vertical rod 403 is rotatably connected with the hydraulic rod 301 through the first bearing 405, the hydraulic rod 301 can rotatably support the vertical rod 403 through the first bearing 405, the center inside the box 7 is fixedly connected with the second sleeve 409, the box 7 can support the second sleeve 409, the second sleeve 409 is in clearance fit with the hydraulic rod 301, the hydraulic rod 301 can move inside the second sleeve 409, the right side of the outer wall of the second sleeve 409 is rotatably connected with the third vertical plate 404 through the second bearing 408, the second sleeve 409 can rotatably support the third vertical plate 404 through the second bearing 408, the first sleeve 402 is fixedly connected to the upper side and the lower side of the third vertical plate 404, and the third vertical plate 404 can support the first sleeve 402, the inclined rod 401 is arranged inside the first sleeve 402, the inclined rod 401, the first sleeve 402 and the vertical rod 403 are in clearance fit, the inclined rod 401 can move inside the first sleeve 402 and outside the vertical rod 403, a transverse plate 407 is fixedly connected to the inner side of the inclined rod 401, the inclined rod 401 can drive the transverse plate 407 to move, a rubber pad 406 is fixedly connected to the inside of the transverse plate 407, and the transverse plate 407 can drive the rubber pad 406 to move and clamp.

The limiting device 2 comprises a spring 201, a fixture block 202, an inclined block 203, a first vertical plate 204, a second vertical plate 205 and an elastic sheet 206, the second vertical plate 205 is fixedly connected to the right side of the outer wall of a second sleeve 409, the second sleeve 409 can support the second vertical plate 205, the first vertical plate 204 is located on the left side of the outer wall of the second sleeve 409, the first vertical plate 204 is in clearance fit with the second sleeve 409, the first vertical plate 204 can move on the outer wall of the second sleeve 409, the spring 201 is arranged on the outer wall of the second sleeve 409, the elastic coefficient K of the spring 201 is 500N/m, the inner side and the outer side of the spring 201 are respectively fixedly connected with the second vertical plate 205 and the first vertical plate 204, the spring 201 can be extruded when the first vertical plate 204 moves inwards, the fixture block 202 is fixedly connected to the upper side and the lower side of the right end of the first vertical plate 204, the fixture block 202 can be driven by the first vertical plate 204 to move, the upper side of, the first vertical plate 204 can drive the elastic sheet 206 and the inclined rod 203 to move, an engaging structure is formed between the inclined block 203 and the box body 7, and the box body 7 can limit the position of the inclined block 203.

When the positioning clamp for aluminum alloy machining is required to be used, firstly, a user can place an aluminum alloy workpiece to be machined on the inner sides of the upper transverse plate 407 and the lower transverse plate 407, then oil is injected into the second oil pipe 303, oil is discharged from the first oil pipe 302, the hydraulic rod 301 moves inwards under the influence of liquid pressure, the hydraulic rod 301 can drive the vertical rod 403 to move inwards, the vertical rod 403 can drive the inclined rod 401 to move, the inclined rod 401 is driven by the inclined rod 401 to move inwards under the influence of the moving angle of the first sleeve 402, the transverse plate 407 and the rubber pad 406 are clamped on the surface of the aluminum alloy workpiece, the positioning of the aluminum alloy workpiece can be completed, an operator can machine on the surface of the aluminum alloy workpiece, when the upper surface is machined and the lower surface is required to be machined, the operator can pull the first vertical plate 204 outwards, and the first vertical plate 204 can drive the fixture block 202 to move outwards, simultaneously, the position of the first vertical plate 204 is temporarily fixed through the clamping between the inclined block 203 and the box body 7, then the inclined rod 401 can be rotated to realize the turnover of the whole aluminum alloy workpiece, after the inclined block 203 and the box body 7 are turned over for 180 degrees, the clamping state between the inclined block 203 and the box body 7 can be manually removed, the first vertical plate 204 can drive the clamping block 202 to move inwards, the clamping block is inserted into the third vertical plate 404, the position fixation after the 180-degree rotation is completed, the machining of the other surface is carried out, after the machining is completed, the oil is discharged from the second oil pipe 303, the oil is injected into the first oil pipe 302, and the workpiece is taken out. 1

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 positioning fixture is used in aluminum alloy processing, includes bottom plate (1) and cushion (6), the lower extreme rigid coupling of bottom plate (1) has cushion (6), its characterized in that: the utility model discloses a power device, including bottom plate (1), bottom plate (7), box (7), power device (3) and clamping device (4) inboard all are equipped with stop device (2), both sides all are equipped with clamping device (4) about the top of bottom plate (1), both sides are all fixed continuous with box (7) through cushion (5) about the top of bottom plate (1), the internally mounted of box (7).

2. The positioning fixture for aluminum alloy processing according to claim 1, characterized in that: power device (3) include hydraulic stem (301), first oil pipe (302), second oil pipe (303) and pneumatic cylinder (304), pneumatic cylinder (304) rigid coupling is in the inside of box (7), the inside of pneumatic cylinder (304) is equipped with hydraulic stem (301), hydraulic stem (301) and pneumatic cylinder (304) are laminated mutually, and hydraulic stem (301) and box (7) clearance fit, the inside and outside both sides in top of pneumatic cylinder (304) are processed respectively and are had first oil pipe (302) and second oil pipe (303), pneumatic cylinder (304) all are linked together with external oil pump through first oil pipe (302) and second oil pipe (303).

3. The positioning fixture for aluminum alloy processing according to claim 2, wherein: the two hydraulic cylinders (304) are axially symmetrically distributed by taking the vertical center of the bottom plate (1) as a reference.

4. The positioning fixture for aluminum alloy processing according to claim 1, characterized in that: the clamping device (4) comprises an inclined rod (401), a first sleeve (402), a vertical rod (403), a third vertical plate (404), a first bearing (405), a rubber pad (406), a transverse plate (407), a second bearing (408) and a second sleeve (409), wherein the inner center of the vertical rod (403) is rotatably connected with the hydraulic rod (301) through the first bearing (405), the inner side center of the box body (7) is fixedly connected with the second sleeve (409), the second sleeve (409) is in clearance fit with the hydraulic rod (301), the right side of the outer wall of the second sleeve (409) is rotatably connected with the third vertical plate (404) through the second bearing (408), the upper side and the lower side of the third vertical plate (404) are fixedly connected with the first sleeve (402), the inclined rod (401) is arranged inside the first sleeve (402), and the first sleeve (402) and the vertical rod (403) are in clearance fit, the inner sides of the inclined rods (401) are fixedly connected with transverse plates (407), and rubber pads (406) are fixedly connected inside the transverse plates (407).

5. The positioning fixture for aluminum alloy processing according to claim 1, characterized in that: stop device (2) include spring (201), fixture block (202), sloping block (203), first riser (204), second riser (205) and flexure strip (206), second riser (205) rigid coupling is on the outer wall right side of second sleeve (409), first riser (204) are located the outer wall left side of second sleeve (409), first riser (204) and second sleeve (409) clearance fit, the outer wall of second sleeve (409) is equipped with spring (201), the inside and outside both sides of spring (201) are fixed continuous with second riser (205) and first riser (204) respectively, the equal rigid coupling in both sides has fixture block (202) about the right-hand member of first riser (204), the top of first riser (204) is all fixed continuous with sloping block (203) through flexure strip (206).

6. The positioning fixture for aluminum alloy processing according to claim 5, wherein: a clamping structure is formed between the inclined block (203) and the box body (7).