CN209349889U - A jig for surface drawing - Google Patents

Abstract

The utility model relates to an anchor clamps of curved surface wire drawing processing, it includes the anchor clamps base, the fixed locating piece that is provided with on the anchor clamps base, the work piece has been placed on the upper portion of locating piece, and the upper surface of locating piece is the circular arc curved surface to be provided with first location muscle along the circular arc surface central line, the bilateral symmetry is provided with second location muscle around the first location muscle, the right side of second location muscle is provided with the location lug, the preceding, back both sides face symmetry of locating piece is provided with the side splint of laminating with the work piece side, the side splint is through elasticity screw rod and locating piece fixed fit, through first location muscle and the second location muscle that the locating piece up end set up, can block the work piece location and control about preventing to the front and back side that blocks the work piece through the side splint prevents the work piece back-and-forth movement, make the work piece clamping convenient, reasonable design and low manufacturing cost.

Description

A jig for surface drawing

technical field

The utility model relates to the field of mechanical processing fixtures, in particular to a fixture for curved surface wire drawing processing.

Background technique

Metal surface brushing treatment is a surface treatment method that forms lines on the surface of the workpiece by grinding products to achieve a decorative effect. Because the surface brushing treatment can reflect the texture of metal materials, it has been loved by more and more users and more and more The wider the application.

There is an existing sliding arm metal workpiece, the structure of which is shown in Figure 4 and Figure 5. It is used as a headset to adjust the length of the headband of the headset. The inner wall of the circular arc is provided with a first groove 22 and a second groove 20 which are parallel to each other, and a positioning hole 21 is provided at the right end, and the outer circular surface needs to be wire-drawn. Moreover, the instability of the workpiece leads to poor drawing effect.

Utility model content

The purpose of this utility model is to provide a fixture for wire drawing processing of curved surface, through the first positioning rib and the second positioning rib provided on the upper end surface of the positioning block, the workpiece can be positioned and blocked to prevent the workpiece from moving left and right, and the workpiece can be blocked by the side splint The front and rear sides prevent the workpiece from moving forward and backward, so that the workpiece can be clamped conveniently. The clamp has simple structure, reasonable design and low manufacturing cost.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a clamp for curved surface drawing processing, which includes a clamp base 13, a positioning block 11 is fixedly arranged on the clamp base 13, and a positioning block 11 is placed on the upper part of the positioning block 11. The workpiece 10, and the upper surface of the positioning block 11 is an arc surface, and the first positioning rib 17 is arranged on the center line of the arc surface, and the front and rear sides of the first positioning rib 17 are symmetrically provided with the second positioning rib 19, so The right side of the second positioning rib 19 is provided with a positioning projection 18, and the front and rear sides of the positioning block 11 are symmetrically provided with a side splint 14 that fits with the side of the workpiece 10, and the side splint 14 passes through the elastic screw 15. It is fixedly matched with the positioning block 11.

Preferably, the upper surface of the clamp base 13 is provided with a clamp installation groove, and a fastening seat 12 fixedly connected to the bottom of the positioning block 11 is embedded in the groove, and the fastening seat 12 is fixed to the clamp base 13 by a fixing screw 16 Cooperate.

Preferably, the first positioning rib 17 and the second positioning rib 19 are respectively fitted with the first groove 22 and the second groove 20 provided on the workpiece 10 .

Preferably, the positioning protrusion 18 is engaged with the positioning hole 21 provided on the workpiece 10 .

Preferably, the upper end surface of the side splint 14 is a circular arc surface.

Description of drawings

Fig. 1 is a three-dimensional structure schematic diagram of the present utility model.

Fig. 2 is the schematic diagram that the utility model cooperates with workpiece.

Fig. 3 is a front view of the utility model.

Fig. 4 is a schematic diagram of the three-dimensional structure of the workpiece.

Figure 5 is a schematic structural view of the bottom of the workpiece.

The text marked in the figure is expressed as: 10, workpiece; 11, positioning block; 12, fastening seat; 13, fixture base; 14, side splint; 15, elastic screw; 16, fixed screw; 17, first positioning rib ; 18, positioning bump; 19, second positioning rib; 20, second groove; 21, positioning hole; 22, first groove.

Detailed ways

In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model will be described in detail below in conjunction with the accompanying drawings. The description of this part is only exemplary and explanatory, and should not have any influence on the protection scope of the utility model. restrictive effect.

As shown in Fig. 1-Fig. 5, the structure of the present utility model is: a clamp for curved surface drawing processing, which includes a clamp base 13, a positioning block 11 is fixedly arranged on the clamp base 13, and the upper part of the positioning block 11 The workpiece 10 is placed, and the upper surface of the positioning block 11 is an arc surface, and a first positioning rib 17 is arranged along the center line of the arc surface, and the front and rear sides of the first positioning rib 17 are symmetrically provided with a second positioning rib 19 , the right side of the second positioning rib 19 is provided with a positioning projection 18, and the front and rear sides of the positioning block 11 are symmetrically provided with a side splint 14 that is fitted to the side of the workpiece 10, and the side splint 14 is elastically tightened. The screw rod 15 is fixedly matched with the positioning block 11, and the first positioning rib 17 and the second positioning rib 19 provided on the upper end surface of the positioning block 11 can position and block the workpiece 10 to prevent the workpiece 10 from moving left and right, and block the workpiece 10 through the side splint 14 The front and rear sides of the clamp prevent the workpiece 10 from moving back and forth, so that the clamping of the workpiece is convenient. The fixture has a simple structure, reasonable design, and low manufacturing cost.

As shown in Figure 1, the upper surface of the clamp base 13 is provided with a clamp mounting groove, and a fastening seat 12 fixedly connected with the bottom of the positioning block 11 is embedded in the groove, and the fastening seat 12 is connected to the clamp through a fixing screw 16. The base 13 is fixedly matched, and the fastening seat 12 is embedded in the fixture installation groove, and the fastening seat 12 is fixed by the fixing screw 16, so as to facilitate the replacement of the positioning block 11, so as to adapt to the processing of different types of workpieces.

As shown in Figure 1, the first positioning rib 17 and the second positioning rib 19 are respectively fitted with the first groove 22 and the second groove 20 provided on the workpiece 10, through the first positioning rib 17 and the second The fitting of the positioning ribs 19 and the workpiece 10 can realize rapid positioning of the workpiece 10 in the left and right directions.

As shown in FIG. 1 , the positioning protrusions 18 are engaged with the positioning holes 21 provided on the workpiece 10 , so as to further realize precise positioning of the workpiece 10 .

As shown in FIG. 3 , the upper end surface of the side clamping plate 14 is a circular arc surface, which can reduce wear on the upper surface of the side clamping plate 14 .

During specific use, the fastening seat 12 is first placed in the fixture installation groove of the fixture base 13, and then fixedly connected by the fixing screw 16, the workpiece 10 is placed on the positioning block 11, so that the first positioning rib 17 and the second positioning rib 19 are respectively fitted with the first groove 22 and the second groove 20, and at the same time the positioning protrusion 18 is aligned with the positioning hole 21, and then the elastic nut 15 is adjusted so that the side clamping plate 14 clamps the workpiece 10, which is beneficial to the workpiece 10 Fast loading and unloading, and the fixture has simple structure, reasonable design and low manufacturing cost.

It should be noted that, in this document, the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or apparatus.

In this paper, specific examples are used to illustrate the principle and implementation of the present utility model. The description of the above examples is only used to help understand the method of the present utility model and its core idea. The above is only a preferred implementation of the present utility model. , it should be pointed out that due to the limitation of written expression, there are objectively unlimited specific structures. For those of ordinary skill in the art, some improvements and modifications can be made without departing from the principle of the utility model. Or changes, the above-mentioned technical features can also be combined in an appropriate way; these improvements, changes or combinations, or direct application of the ideas and technical solutions of the utility model to other occasions without improvement, should be regarded as the utility model. scope of protection.

Claims (5)

1. a kind of fixture of curved surface wire drawing, it includes fixture base (13), it is characterised in that: on the fixture base (13) It is fixedly installed locating piece (11), the top of the locating piece (11) is placed with workpiece (10), and the upper surface of locating piece (11) For circular arc camber, and the first positioning bar (17) are provided with along arc surface middle line, the front and back side pair of first positioning bar (17) Title is provided with the second positioning bar (19), is provided with locating convex block (18), the locating piece on the right side of second positioning bar (19) (11) front and rear sides face is symmetrically arranged with the side clamping plate (14) being bonded with workpiece (10) side, and the side clamping plate (14) passes through Elastic screw rod (15) and locating piece (11) secure fit.

2. a kind of fixture of curved surface wire drawing according to claim 1, it is characterised in that: the fixture base (13) Upper surface offers fixture mounting groove and slot is embedded in the fastening seat (12) for being provided with and being fixedly connected with locating piece (11) bottom, institute It states fastening seat (12) and passes through standing screw (16) and fixture base (13) secure fit.

3. a kind of fixture of curved surface wire drawing according to claim 1, it is characterised in that: first positioning bar (17) It is mutually chimeric with the first groove (22), the second groove (20) opened up on workpiece (10) respectively with the second positioning bar (19).

4. a kind of fixture of curved surface wire drawing according to claim 1, it is characterised in that: the locating convex block (18) with The location hole (21) opened up on workpiece (10) is interlocked.

5. a kind of fixture of curved surface wire drawing according to claim 1, it is characterised in that: the side clamping plate (14) it is upper End face is arc surface.