CN215894351U

CN215894351U - Special clamp for arc-shaped workpiece

Info

Publication number: CN215894351U
Application number: CN202121237615.8U
Authority: CN
Inventors: 李莉; 王妍; 刘守江
Original assignee: Xian Fast Auto Drive Co Ltd
Current assignee: Xian Fast Auto Drive Co Ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-02-22
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a special clamp for an arc-shaped workpiece, which comprises a first mounting part, an arc-shaped clamping plate and a second mounting part which are integrally connected, wherein a first mounting groove for placing the arc-shaped workpiece is formed in the position, close to the arc-shaped clamping plate, of the first mounting part; the first installation part is connected with the second installation part through a connecting assembly, the connecting assembly comprises a connecting rod arranged in the first installation hole and the second installation hole in a penetrating mode, a clamping assembly is sleeved on the connecting rod, and the clamping assembly is used for being matched with an arc-shaped clamping plate to clamp/loosen an arc-shaped workpiece. The utility model has simple structure and convenient operation, and is suitable for workpieces with different curvatures.

Description

Special clamp for arc-shaped workpiece

Technical Field

The utility model relates to the technical field of tool fixtures, in particular to a special fixture for an arc-shaped workpiece.

Background

The direct-reading spectrometer is a common element content analysis instrument and plays an extremely important role in the steel industry. The content of various elements in the materials such as medium and low alloy steel, stainless steel, heat-resistant steel, tool steel and the like can be measured. The direct-reading spectrometer has the characteristics of high analysis speed, simplicity and convenience in operation, high accuracy and the like.

However, because of the limitation of the aperture of the excitation electrode hole of the direct-reading spectrometer, some annular or arc-shaped components with too small radial width may cause gas leakage if directly placed on the excitation table, so that the direct-reading spectrometer cannot be directly used for element content detection, workpieces with such shapes are subjected to more inspection, the existing chemical detection method is time-consuming and labor-consuming in detection, and therefore, a special clamp for arc-shaped workpieces for detection of the direct-reading spectrometer needs to be developed.

Disclosure of Invention

Aiming at the defects and shortcomings in the prior art, the utility model aims to provide a special clamp for an arc-shaped workpiece, so as to solve the technical problem that a special clamp suitable for a direct-reading spectrometer to detect the arc-shaped workpiece with smaller radial dimension is lacked in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a special clamp for an arc-shaped workpiece comprises a first installation part, an arc-shaped clamping plate and a second installation part which are integrally connected, wherein a first installation groove for placing the arc-shaped workpiece is formed in the position, close to the arc-shaped clamping plate, of the first installation part, a first installation hole is formed in the position, far away from the arc-shaped clamping plate, of the first installation part, a second installation groove for placing the arc-shaped workpiece is formed in the position, close to the arc-shaped clamping plate, of the second installation part, a second installation hole is formed in the position, far away from the arc-shaped clamping plate, of the second installation part, and the first installation hole, the second installation hole, the first installation groove and the second installation groove are arranged in a mirror symmetry mode;

first installation department passes through coupling assembling with the second installation department and links to each other, coupling assembling is equipped with clamping component including wearing to establish the connecting rod in first mounting hole and the second mounting hole on the connecting rod, clamping component is used for cooperating arc splint to press from both sides the tight/unclamp the arc work piece.

The utility model also has the following technical characteristics:

specifically, clamping component includes hollow structure's spring sleeve, the inside vertical spring of installing of spring sleeve, the spring bottom mounting is on the lantern ring, the lantern ring cover is established on the connecting rod, and the vertical depression bar that can reciprocate in spring sleeve of installing in spring top, the depression bar outer wall is improved level and is provided with the slide bar, the spring sleeve is worn out through vertical spout of seting up on spring sleeve to the slide bar, the slide bar is used for driving depression bar up-and-down motion in order to loosen or compress tightly spring.

Furthermore, the top end of the pressure lever is also connected with a clamping block.

Furthermore, one end of the connecting rod is a first thread section, the other end of the connecting rod is a second thread section, a first fastening piece is sleeved on the first thread section, and a second fastening piece is sleeved on the second thread section.

Furthermore, the first installation part, the arc-shaped clamping plate and the second installation part are made of silver alloy materials.

Further, the second fastener is a wing nut.

Compared with the prior art, the utility model has the following technical effects:

the utility model has simple structure and convenient operation, does not need to inlay a sample, is suitable for workpieces with different curvatures because of adopting the elastic silver alloy material, can greatly reduce the workload by fast clamping when detecting the workpieces in batches, shortens the operation time, improves the working efficiency and finally effectively ensures the product quality.

Drawings

Fig. 1 is a schematic view of an assembly structure of the present invention.

Fig. 2 is a rear view of the present invention.

Fig. 3 is a schematic view of the structure of the clamping assembly of the present invention.

Fig. 4 is a side view of the clamping assembly of the present invention.

The reference numbers in the figures represent:

1-a first mounting part, 2-an arc-shaped splint, 3-a second mounting part, 4-a connecting component and 5-a clamping component; 11-a first mounting groove, 12-a first mounting hole; 31-a second mounting groove, 32-a second mounting hole; 41-connecting rod, 42-first fastener, 43-second fastener; 51-spring sleeve, 52-spring, 53-lantern ring, 54-pressure bar, 55-slide bar, 56-chute, 57-clamping block.

The present invention will be explained in further detail with reference to examples.

Detailed Description

The following embodiments of the present invention are provided, and it should be noted that the present invention is not limited to the following embodiments, and all equivalent changes based on the technical solutions of the present invention are within the protection scope of the present invention.

In describing the utility model in terms of orientation, the terms "upper", "lower", "front", "rear", "left", "right", and the like, indicate an orientation or positional relationship merely to facilitate the description of the utility model and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Unless stated to the contrary, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may include, for example, a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The clamping device is suitable for clamping arc-shaped or annular workpieces with the radial width of 4-6 mm or workpieces with arc-shaped or annular structures.

Example 1

According to the technical scheme, as shown in fig. 1 to 4, the special fixture for the arc-shaped workpiece is characterized by comprising a first installation part 1, an arc-shaped clamping plate 2 and a second installation part 3 which are integrally connected, wherein a first installation groove 11 for placing the arc-shaped workpiece is formed in the position, close to the arc-shaped clamping plate 2, of the first installation part 1, a first installation hole 12 is formed in the position, far away from the arc-shaped clamping plate 2, of the first installation part 1, a second installation groove 31 for placing the arc-shaped workpiece is formed in the position, close to the arc-shaped clamping plate 2, of the second installation part 3, a second installation hole 32 is formed in the position, far away from the arc-shaped clamping plate 2, of the second installation part 3, and the first installation hole 12 and the second installation hole 32 as well as the first installation groove 11 and the second installation groove 31 are respectively arranged in mirror symmetry;

first installation department 1 links to each other through coupling assembling 4 with second installation department 3, and coupling assembling 4 is equipped with clamping component 5 including wearing to establish the connecting rod 41 in first mounting hole 12 and the second mounting hole 32 on the connecting rod 41 cover, and clamping component 5 is used for cooperating arc splint 2 to press from both sides the tight/unclamp the arc work piece.

In the present embodiment, the first mounting groove 11 and the second mounting groove 31 have the same width. As shown in fig. 2, the widths of the first mounting groove 11 and the second mounting groove 31 are larger than the radial width of the clamped annular workpiece.

As a preferable scheme of the present embodiment, the clamping assembly 5 includes a spring sleeve 51 having a hollow structure, a spring 52 is vertically installed inside the spring sleeve 51, a bottom end of the spring 52 is fixed on a collar 53, the collar 53 is sleeved on the connecting rod 41, a pressing rod 54 capable of moving up and down in the spring sleeve 51 is vertically installed at a top end of the spring 52, a sliding rod 55 is horizontally arranged on an outer wall of the pressing rod 54, the sliding rod 55 penetrates through the spring sleeve 51 through a sliding groove 56 vertically formed in the spring sleeve 51, and the sliding rod 55 is used for driving the pressing rod 54 to move up and down to loosen or compress the spring 52. The sliding rod 55 can move in the sliding slot 56 along the length direction of the sliding slot, so that the spring 52 can be stretched or compressed, when an arc-shaped or annular workpiece needs to be placed in the first mounting slot 11 and the second mounting slot 31, the sliding rod 55 can be pulled, the spring 52 is compressed, after the arc-shaped or annular workpiece is placed in the spring, the sliding rod 55 is released, and the top end of the sliding rod 55 can be matched with the arc-shaped clamping plate 2 to clamp the arc-shaped or annular workpiece.

In a preferred embodiment of the present invention, a clamping block 57 is further connected to the top end of the pressing rod 54.

As a preferable solution of this embodiment, one end of the connecting rod 41 is a first threaded section, and the other end is a second threaded section, the first threaded section is sleeved with a first fastening member 42, and the second threaded section is sleeved with a second fastening member 43. The first thread segment is threadedly connected to a first fastener 42 and the second thread segment is threadedly connected to a second fastener 43. In other embodiments, the connecting rod 41 and the first fastening member 42 are integrally formed, and a standard bolt member, such as a hexagon bolt, may be used.

The included angle between the first mounting part 1 and the second mounting part 3 can be adjusted according to the size of the arc-shaped or annular workpiece. The radial widths of the first and

second mounting grooves

11 and 31 can be adjusted according to the size of the arc-shaped or ring-shaped workpiece, and the arc-shaped or ring-shaped workpiece having a width less than or equal to the widths of the first and

second mounting grooves

11 and 31 can be placed in the first and

second mounting grooves

11 and 31.

In a preferred embodiment of the present invention, the first mounting portion 1, the arc-shaped clamping plate 2 and the second mounting portion 3 are made of silver alloy. The silver alloy has soft physical characteristics, so that the clamp can be suitable for arc or annular workpieces with different curvatures.

As a preferable solution of this embodiment, the second fastening member 43 is a wing nut, and the wing nut is easy to operate.

The using process of the utility model is as follows:

when the arc-shaped or ring-shaped workpiece is to be clamped, the sliding rod 55 is pulled to move in the sliding groove 56 along the length direction of the sliding groove, the spring 52 is compressed to a proper position, then the arc-shaped or ring-shaped workpiece is placed through the first mounting groove 11 and the second mounting groove 31, after the arc-shaped or ring-shaped workpiece is placed, the sliding rod 55 is released, the spring 52 rebounds, and therefore the clamping assembly 5 is matched with the arc-shaped clamping plate 2, the arc-shaped or ring-shaped workpiece is clamped, and then the first fastening piece 42 and the second fastening piece 43 are tightened, and fixing is completed.

When the direct-reading spectrometer is required to detect the element content of the arc-shaped or annular workpiece, the fixture provided with the arc-shaped or annular workpiece is placed on the excitation table of the direct-reading spectrometer by using the fixing device on the direct-reading spectrometer, and the arc-shaped or annular workpiece is positioned in the middle of the excitation hole, so that the element content of the workpiece can be rapidly measured.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The special fixture for the arc-shaped workpiece is characterized by comprising a first installation part (1), an arc-shaped clamping plate (2) and a second installation part (3) which are integrally connected and arranged, wherein a first installation groove (11) for placing the arc-shaped workpiece is formed in the position, close to the arc-shaped clamping plate (2), of the first installation part (1), a first installation hole (12) is formed in the position, far away from the arc-shaped clamping plate (2), of the first installation part (1), a second installation groove (31) for placing the arc-shaped workpiece is formed in the position, close to the arc-shaped clamping plate (2), of the second installation part (3), a second installation hole (32) is formed in the position, far away from the arc-shaped clamping plate (2), of the second installation part (3), and the first installation hole (12) and the second installation hole (32), the first installation groove (11) and the second installation groove (31) are arranged in a mirror symmetry mode respectively;

first installation department (1) links to each other through coupling assembling (4) with second installation department (3), coupling assembling (4) are equipped with clamping component (5) including connecting rod (41) of wearing to establish in first mounting hole (12) and second mounting hole (32) on connecting rod (41) the cover, clamping component (5) are used for cooperating arc splint (2) to press from both sides the tight/unclamp arc work piece.

2. The special clamp for the arc-shaped workpiece, as recited in claim 1, characterized in that the clamping assembly (5) comprises a spring sleeve (51) with a hollow structure, a spring (52) is vertically installed inside the spring sleeve (51), the bottom end of the spring (52) is fixed on a sleeve ring (53), the sleeve ring (53) is sleeved on the connecting rod (41), a pressing rod (54) capable of moving up and down in the spring sleeve (51) is vertically installed at the top end of the spring (52), a sliding rod (55) is horizontally arranged on the outer wall of the pressing rod (54), the sliding rod (55) penetrates out of the spring sleeve (51) through a sliding groove (56) vertically arranged on the spring sleeve (51), and the sliding rod (55) is used for driving the pressing rod (54) to move up and down to loosen or compress the spring (52).

3. The special clamp for arc-shaped workpieces as claimed in claim 2, characterized in that a clamping block (57) is further connected to the top end of the pressure rod (54).

4. The special fixture for arc-shaped workpieces as claimed in claim 1, characterized in that one end of the connecting rod (41) is a first threaded section, the other end is a second threaded section, a first fastening member (42) is sleeved on the first threaded section, and a second fastening member (43) is sleeved on the second threaded section.

5. The special fixture for the arc-shaped workpiece as claimed in claim 1, characterized in that the first mounting part (1), the arc-shaped clamping plate (2) and the second mounting part (3) are all made of silver alloy.

6. The special fixture for arc-shaped workpieces as claimed in claim 4, characterized in that the second fastening member (43) is a wing nut.