Encircling type clamping fixture for thin plate parts

Abstract

The utility model belongs to the technical field of clamping fixtures, and discloses a clamping fixture for surrounding type thin plate parts, which is used for machining procedures of the thin plate parts and comprises a base, a clamping device and a clamping device. A movable seat; the top seat is arranged in the middle of the movable seat; the movable supporting piece is assembled at the upper part of the top seat; a surrounding seat; the encircling clamp is mounted at the top of the encircling seat; according to the structure of the sheet part, the position of the movable supporting piece is adjusted; and then the thin plate type part is placed between the movable supporting piece and all the surrounding clamps. According to the utility model, the periphery of a thin plate part can be simultaneously clamped, and then the supporting piece is arranged in the middle for supporting, so that the curved-surface thin plate part can be restrained, clamped and fixed and can be accurately positioned, the supporting piece can ensure that the middle part of the thin plate part does not fall in the clamping process, the flatness of the part is ensured at ordinary times, the operation is convenient, and the positioning is accurate; the processing is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to clamping fixture technical field, especially relates to a kind of clamping fixture for embracing type sheet metal part. BACKGROUND

[0002] Clamping fixture is the device for fixing processing object, positioning its correct position to accept processing or detection in mechanical manufacturing process, and is widely used in mechanical manufacturing, detection, assembly process etc.

[0003] Clamping fixture can be divided into universal fixture, special fixture, adjustable fixture, combined fixture according to use characteristics.The existing parts, there are many kinds of curved sheet metal parts, because the shape of such parts is different, and assembly environment is different, so different special fixture is usually used, at the same time, the surface of sheet metal part is complex, it is difficult to accurately express by mathematical expression, therefore, the assembly of curved sheet metal part is particularly difficult, and its assembly precision is difficult to guarantee, positioning is difficult.

[0004] In view of this reason, it is necessary to provide a kind of fixture that can effectively position and fix curved sheet metal part, and the part can be conveniently picked up and assembled. INVENTION CONTENTS

[0005] In order to solve the problems in the related art, the present application provides a kind of clamping fixture for embracing type sheet metal part, solve the defects mentioned in the background art.

[0006] Technical scheme as follows:

[0007] A kind of clamping fixture for embracing type sheet metal part, for the machining process of sheet metal part, it include: base;Movable seat, installed on the base;Top seat, is in the middle of movable seat;Movable support, assembly in the upper portion of top seat;Embrace seat, respectively on the four corners of the base or three corners;Embrace fixture, installed on the top of embrace seat;According to the structure of the sheet metal part, adjust the position of movable support;Then the sheet metal part is placed between movable support and all embrace fixture.

[0008] Further technical scheme, the movable seat includes: seat body, is made of a long strip-shaped frame;Movable support is installed in the middle of seat body;Pass through, symmetrically arranged on the base, seat body is arranged between the two pass through;Fastening bolt, between the base and the seat body.

[0009] Further technical scheme, the seat body is provided with fastening part corresponding to fastening bolt, and a plurality of fastening grooves are arranged on the fastening part in parallel and perpendicular to the movement direction of the seat body.

[0010] Further technical solutions, the ring seat is installed on the base through bolts.

[0011] Further technical solutions, the upper end face of the ring seat is provided with a plurality of limiting rods, and all the limiting rods form a circular arc shape; a lead screw is arranged on the ring seat, and a limiting nut is arranged on the lead screw.

[0012] Further technical solutions, the center of the seat body is provided with a circular mounting groove, and the periphery of the circular mounting groove is provided with a plurality of clamping grooves; the lower part of the top seat is provided with a clamping shaft, and the periphery of the clamping shaft is provided with a protrusion corresponding to the clamping groove; the top seat is movably installed in the circular mounting groove through the clamping shaft and the protrusion.

[0013] Further technical solutions, the periphery of the seat body is provided with a positioning threaded hole, and the top seat is fixed on the seat body through bolts and the positioning threaded hole.

[0014] Further technical solutions, the movable support comprises: a first movable support frame, a first support frame movably mounted on the first movable support frame; a plurality of heightening frame bodies are mounted on the first support frame; a second movable support frame, a second support frame movably mounted on the second movable support frame; a plurality of heightening frame bodies are mounted on the second support frame; the directions of the first support frame and the second support frame are opposite.

[0015] Further technical solutions, the first movable support frame and the second movable support frame are respectively provided with fastening threaded holes, and a fastening screw is threadedly connected to each fastening threaded hole.

[0016] The above technical scheme is adopted, compared with the prior art, the beneficial effects of the patent are:

[0017] 1、The utility model can clamp the periphery of the thin plate type part at the same time, then the middle part is supported by the supporting piece, so that the curved thin plate type part can be constrained, fixed and positioned accurately, the middle part of the thin plate type part can be ensured not to drop in the clamping process, the planeness of the part is ensured, the operation is convenient, the positioning is accurate, and the machining is convenient.

[0018] 2、The top seat and the movable seat can be adjusted in position, and are suitable for parts of different shapes and different sizes, so that the universality of the clamp is ensured. DRAWINGS

[0019] The drawings incorporated into the specification and forming a part thereof show embodiments consistent with the present utility model, and together with the specification serve to explain the principles of the present utility model.

[0020] Figure 1It is the whole structure schematic view of the utility model.

[0021] Figure 2 It is the structure schematic view of the seat body of the utility model.

[0022] Figure 3 It is the lower structure schematic view of the movable seat of the utility model.

[0023] Figure 4 It is the upper structure schematic view of the movable seat of the utility model.

[0024] In the drawing:

[0025] 1, movable seat;2, base;3, top seat;4, limit nut;5, screw;6, limit rod;7, fastening screw;8, embrace seat;9, circular mounting groove;10, fastening slot;11, positioning thread hole;12, slot;13, fastening screw;14, bolt;15, second support;16, heightening frame body;17, second movable support frame. DETAILED DESCRIPTION

[0026] Preferred embodiments of the present application will be described herein below with reference to the drawings; however, those skilled in the art will readily appreciate that the preferred embodiments of the present application can be practiced with various forms of these embodiments, and the present application should not be limited by the embodiments set forth herein. Rather, the embodiments are provided as illustrative of the present application so that a thorough and complete comprehension of the present application can be achieved by those skilled in the art.

[0027] The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0028] It should be understood that although the terms "first", "second", "third" and the like can be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another type of information. For example, without departing from the scope of the present application, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as the first information. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0029] EMBODIMENTS

[0030] As Figures 1-4As shown, a kind of embracing thin plate class part with clamping fixture, for the machining process of thin plate class part, including base 2, movable seat 1 and embrace seat 8.

[0031] Specifically, movable seat 1 is installed on base 2, and the middle part of movable seat 1 is installed with top seat 3.Activity support is assembled on the upper part of top seat 3.Movable seat 1 includes seat body, which is made of a long strip-shaped frame body.Activity support is installed in the middle part of seat body.Through port, symmetrically arranged on base 2, seat body is arranged between the two through ports.Tightening bolt 14 is arranged between base 2 and seat body.Tightening position corresponding to tightening bolt 14 is arranged on seat body, and a plurality of parallel and vertical to the movement direction of seat body are arranged on the tightening position.Tightening slot 10.

[0032] The center position of seat body is provided with circular mounting slot 9, and the periphery of circular mounting slot 9 is provided with a plurality of clamping grooves 12.The lower part of top seat 3 is provided with clamping shaft, and the periphery of clamping shaft is provided with protrusions corresponding to clamping grooves 12.Top seat 3 is movably installed in circular mounting slot 9 through clamping shaft and protrusions.The periphery of seat body is provided with a positioning screw hole 11, and top seat 3 is fixed on seat body through bolt 14 and positioning screw hole 11.

[0033] Embrace seat 8 is arranged on four corners or three corners of base 2 respectively.Embrace seat 8 is installed on base 2 by bolt 14.Embracing clamp is installed on the top of embrace seat 8.Activity support includes first activity support frame and second activity support frame 17.First support is movably installed on first activity support frame, and a plurality of heightening frame bodies 16 are installed on first support.Second support 15 is movably installed on second activity support frame 17, and a plurality of heightening frame bodies 16 are installed on second support 15.The direction of first support and second support 15 is opposite.A fastening screw hole is formed on first activity support frame and second activity support frame 17 respectively, and a fastening screw rod 13 is threadedly connected to each fastening screw hole.A plurality of limiting rods 6 are installed on the upper end surface of embrace seat 8, and all limiting rods 6 form a circular arc shape.A lead screw 5 is arranged on embrace seat 8, and a limiting nut 4 is arranged on lead screw 5.

[0034] According to the structure of the thin plate class part, the position of the activity support is adjusted, and then the thin plate class part is placed between the activity support and all the embracing clamps.

[0035] Specifically, when used, the embracing clamp clamps and fixes the thin plate class part, and accurately positions the position of the thin plate class part, and the support supports the center position of the thin plate class part.The position of the clamped thin plate class part is obtained by three-dimensional modeling and measuring height in advance, and the positioning accuracy is high, and the position can be input into the control system, so that the clamping machine can accurately pick up the thin plate class part on the clamp.

[0036] The utility model discloses can hold the periphery of thin plate class spare simultaneously, then there is support spare in the middle and supports, like this can restrain clamping and fixed curved surface thin plate class spare, and can accurate positioning, support spare can guarantee the middle part of thin plate class spare not to drop in clamping process, the planeness of the part in general, convenient operation, accurate positioning, convenient processing.

[0037] The top seat and the movable seat can be adjusted in position, adapt to parts of different shapes and different sizes, so that the universality of the clamp is ensured.

[0038] Those skilled in the art will readily understand that the application is well adapted to carry out other embodiments of the present application. This application is intended to cover any variations, uses or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered exemplary only, with the true scope and spirit of the application being indicated by the following claims.

[0039] It should be understood that the application is not limited to the precise construction that has been described above and illustrated in the accompanying drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the application is limited only by the claims that follow.

Claims

1. A clamping fixture for thin-plate parts, used in the machining process of thin-plate parts, characterized in that, It comprises: a base; a movable seat installed on the base; a top seat arranged in the middle of the movable seat; a movable support assembled on the upper part of the top seat; a surrounding seat arranged on four corners or three corners of the base respectively; a surrounding clamp installed on the top of the surrounding seat; According to the structure of the sheet part, the position of the movable support is adjusted; then the sheet part is placed between the movable support and all the surrounding clamps.

2. The clamping jig for a thin plate member according to Claim 1, wherein The movable seat comprises: a seat body made of a long strip-shaped frame body; the movable support is installed in the middle of the seat body; two through ports symmetrically arranged on the base, and the seat body is arranged between the two through ports; a fastening bolt arranged between the base and the seat body.

3. The clamping jig for a thin plate member according to Claim 2, wherein The seat body is provided with a fastening part corresponding to the fastening bolt, and a plurality of fastening grooves parallel to each other and perpendicular to the movement direction of the seat body are arranged on the fastening part.

4. The clamping jig for thin plate-like workpieces according to claim 3, wherein The surrounding seat is installed on the base by a bolt.

5. The clamping jig for thin plate-like workpieces according to claim 4, wherein A plurality of limiting rods are installed on the upper end surface of the surrounding seat, and all the limiting rods form a circular arc shape; a lead screw is arranged on the surrounding seat, and a limiting nut is arranged on the lead screw.

6. The clamping jig for thin plate-like workpiece according to claim 2, wherein A circular mounting groove is arranged at the center position of the seat body, and a plurality of clamping grooves are arranged around the circular mounting groove; a clamping shaft is arranged at the lower part of the top seat, and a protrusion corresponding to the clamping groove is arranged around the clamping shaft; The top seat is movably installed in the circular mounting groove through the clamping shaft and the protrusion.

7. The clamping jig for thin plate-like workpieces according to claim 6, wherein A positioning threaded hole is arranged around the seat body, and the top seat is fixed on the seat body through a bolt and the positioning threaded hole.

8. The clamping jig for thin plate-like workpieces according to Claim 1, wherein The movable support comprises: a first movable support frame, a first support frame is movably installed on the first movable support frame; a plurality of heightening frame bodies are installed on the first support frame; a second movable support frame, a second support frame is movably installed on the second movable support frame; a plurality of heightening frame bodies are installed on the second support frame; The directions of the first support frame and the second support frame are opposite.

9. The clamping jig for a thin plate member according to Claim 8, wherein A fastening threaded hole is arranged on the first movable support frame and the second movable support frame respectively, and a fastening screw is threadedly connected to each fastening threaded hole.

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