CN215200707U - Clamp and numerical control machining system - Google Patents

Abstract

The utility model provides a clamp and a numerical control processing system, wherein the clamp comprises a clamping assembly and a pressing assembly, the clamping assembly comprises a reference block, a plurality of first clamping pieces and a plurality of second clamping pieces, the first clamping pieces are connected with the reference block, the extending direction is parallel to the surface of the reference block, and the plurality of first clamping pieces are arranged at intervals along the circumferential direction of the reference block; the second clamping pieces are arranged on the reference block and extend out of the surface of the reference block along the vertical direction of the reference block, and the plurality of second clamping pieces are arranged at intervals; the first clamping piece and the second clamping piece are used for abutting against a preset object; the pressing component comprises a tooth rod and a pressing plate, and the tooth rod is arranged along the vertical extension of the reference block; the laminated plate is vertical to the tooth rod and is movably connected with the tooth rod along the vertical direction of the reference block; the pressing plate is used for pressing and locking the preset object after the first clamping piece and the second clamping piece abut against the preset object. Due to the configuration, the part is clamped more stably, the clamping time is reduced, and the processing efficiency of the part is improved; the installation consistency of the parts is ensured, and the processing precision of the parts is improved.

Description

Clamp and numerical control machining system

Technical Field

The utility model relates to a frock clamp technical field, in particular to anchor clamps and numerical control system of processing.

Background

In the prior art, a compressor shell is usually machined by placing a part on a table top of machining equipment, then aligning the part by virtue of the working experience of workers, and then centering and finding an original point. As a result of this, on the one hand, the efficiency and precision of machining the compressor shell are low; on the other hand, the original point of the table top of the machining equipment is inconsistent after the part is clamped every time, even the part is installed in a wrong direction due to the fact that the dislocation design is not adopted, the conditions that the equipment is impacted in the machining process, a machine tool is damaged and the part is scrapped are caused, and therefore economic loss is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anchor clamps and numerical control system of processing to solve among the prior art to the clamping mode of spare part lead to compressor housing's machining efficiency and the lower problem of machining precision.

In order to solve the technical problem, based on the utility model discloses an aspect, the utility model provides an anchor clamps, it includes: a clamping component and a pressing component,

the clamping assembly comprises a reference block, a plurality of first clamping pieces and a plurality of second clamping pieces, the first clamping pieces are connected with the reference block, the axial direction of the first clamping pieces is parallel to the surface of the reference block, the first clamping pieces are arranged at intervals along the circumferential direction of the reference block, and the first clamping pieces can be movably arranged relative to the reference block along the axial direction of the first clamping pieces; the second clamping pieces are arranged on the reference block and movably extend out of the surface of the reference block along the vertical direction of the reference block, and the second clamping pieces are arranged at intervals; the first clamping piece and the second clamping piece are used for protruding to abut against a preset object;

the pressing component comprises a tooth rod and a pressing plate, and the tooth rod is arranged along the vertical extension of the reference block; the laminated plate is perpendicular to the tooth rod and is movably connected with the tooth rod along the vertical direction of the reference block; the laminated plate is used for pressing and locking a preset object after the first clamping piece and the second clamping piece abut against the preset object.

Optionally, at least a first portion of the first clamping members extends along an X direction, and at least a first portion of the first clamping members is distributed on two sides of the reference block along the X direction; at least a second part of the first clamping pieces extend along the Y direction, and at least a second part of the first clamping pieces are distributed on two sides of the reference block along the Y direction; the X direction, the Y direction and the vertical direction of the reference block are mutually vertical pairwise.

Optionally, the first clamping member extending along the X direction, the first clamping member extending along the Y direction and the second clamping member which are adjacent to each other are configured as a clamping combination, and the clamp comprises four clamping combinations; the base block is rectangular, and the four clamping assemblies are distributed at four corners of the surface of the base block.

Optionally, the fixture comprises two clamping assemblies, and the two clamping assemblies are arranged at intervals along the horizontal direction and distributed on two sides of the tooth bar.

Optionally, the fixture includes at least two of the pressing components, and the at least two pressing components are arranged at intervals.

Optionally, the pressing assembly further includes a locking member disposed on the tooth bar, and the pressing plate is limited by the locking member along the position of the tooth bar.

Optionally, the clamping assembly further includes a plurality of baffles connected to the reference block, the plurality of baffles are arranged along the circumferential direction of the reference block, and the plurality of first clamping members are connected to the reference block through the plurality of baffles.

Optionally, the fixture further comprises a bottom plate, the reference block and the tooth rod are arranged on the bottom plate, and the vertical direction of the reference block and the tooth rod are perpendicular to the bottom plate.

Optionally, the parts of the plurality of second clamping pieces extending out of the surface of the reference block are limited to be located on the same plane, and the plane is parallel to the surface of the reference block.

Based on the utility model discloses a further aspect, the utility model discloses still provide a numerical control system of processing, it includes as above anchor clamps.

To sum up, the utility model provides a clamp includes clamping subassembly and pressing components, and the clamping subassembly includes reference block, a plurality of first holder and a plurality of second holder, and first holder is connected with the reference block, and the axial of first holder is on a parallel with the surface of reference block, and a plurality of first holders are arranged along the circumference of reference block at intervals, and first holder along self axial movably setting relative to the reference block; the second clamping pieces are arranged on the reference block and movably extend out of the surface of the reference block along the vertical direction of the reference block, and the plurality of second clamping pieces are arranged at intervals; the first clamping piece and the second clamping piece are used for protruding to abut against a preset object; the pressing component comprises a tooth rod and a pressing plate, and the tooth rod is arranged along the vertical extension of the reference block; the laminated plate is vertical to the tooth rod and is movably connected with the tooth rod along the vertical direction of the reference block; the pressing plate is used for pressing and locking the preset object after the first clamping piece and the second clamping piece abut against the preset object. By arranging the clamping assembly and the pressing assembly of the clamp, a preset object (part) can be clamped more stably, the clamping time is reduced, and the processing efficiency of the compressor shell is improved; in addition, the clamping assembly and the pressing assembly have the error-proofing function, the position installation error of the parts is avoided, and the consistency of the parts installed at each time is guaranteed, so that the machining precision of the compressor shell is improved, and the condition that the economic loss is caused due to equipment impact, machine tool damage and part scrapping in the machining process can be further avoided.

Drawings

It will be appreciated by those skilled in the art that the drawings are provided for a better understanding of the invention and do not constitute any limitation to the scope of the invention. Wherein:

fig. 1 is a schematic view of a clamp according to an embodiment of the present invention;

fig. 2 is a front view of a clamp according to an embodiment of the present invention;

fig. 3 is a side view of a clamp according to an embodiment of the present invention;

fig. 4 is a top view of a clamp according to an embodiment of the present invention.

In the drawings:

10-clamping the assembly; 11-a first clamp; 12-a second clamp; 13-a reference block; 14-a baffle; 15-positioning pins; 20-pressing the assembly; 21-a dental shaft; 22-a laminated board; 23-a capture member; 30-a bottom plate; 40-parts; a-clamping combination; z-the vertical direction of the reference block.

Detailed Description

To make the objects, advantages and features of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be noted that the drawings are in simplified form and are not to scale, but rather are provided for the purpose of facilitating and distinctly claiming the embodiments of the present invention. Further, the structures illustrated in the drawings are often part of actual structures. In particular, the drawings may have different emphasis points and may sometimes be scaled differently.

As used in this application, the singular forms "a", "an" and "the" include plural referents, the term "or" is generally employed in a sense including "and/or," the terms "a", "an" and "the" are generally employed in a sense including "at least one", the terms "at least two" and "two or more" are generally employed in a sense including "two or more", and moreover, the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or imply that there is a number of technical features being indicated. Thus, features defined as "first", "second" and "third" may explicitly or implicitly include one or at least two of the features, "one end" and "the other end" and "proximal end" and "distal end" generally refer to the corresponding two parts, which include not only the end points, but also the terms "mounted", "connected" and "connected" should be understood broadly, e.g., as a fixed connection, as a detachable connection, or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Furthermore, as used in the present application, the disposition of an element with another element generally only means that there is a connection, coupling, fit, or drive relationship between the two elements, and the connection, coupling, fit, or drive between the two elements may be direct or indirect through intermediate elements, and is not to be understood as indicating or implying any spatial relationship between the two elements, i.e., an element may be in any orientation within, outside, above, below, or to one side of another element unless the content clearly dictates otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

An object of the utility model is to provide an anchor clamps and numerical control system of processing to solve among the prior art to the clamping mode of spare part lead to compressor housing's machining efficiency and the lower problem of machining precision.

Hereinafter, the clip of the present embodiment will be described with reference to the drawings. Wherein, fig. 1 is a schematic view of a clamp according to an embodiment of the present invention, fig. 2 is a front view of a clamp according to an embodiment of the present invention, fig. 3 is a side view of a clamp according to an embodiment of the present invention, and fig. 4 is a top view of a clamp according to an embodiment of the present invention.

As shown in fig. 1, with combined reference to fig. 2-4, the present embodiment provides a clip, comprising: the clamping assembly 10 and the pressing assembly 20; the clamping assembly 10 comprises a reference block 13, a plurality of first clamping pieces 11 and a plurality of second clamping pieces 12, the first clamping pieces 11 are connected with the reference block 13, the axial direction of the first clamping pieces 11 is parallel to the surface of the reference block 13, the plurality of first clamping pieces 11 are arranged at intervals along the circumferential direction of the reference block 13, and the first clamping pieces 11 are movably arranged relative to the reference block 13 along the axial direction of the first clamping pieces 11; the second clamping members 12 are arranged on the reference block 13 and movably extend from the surface of the reference block 13 in a vertical direction of the reference block 13 (i.e. a direction perpendicular to the reference block 13, herein referred to as a reference block vertical direction Z), and a plurality of the second clamping members 12 are arranged at intervals; the first clamping piece 11 and the second clamping piece 12 are used for protruding to abut against a preset object (part 40); the pressing component 20 comprises a tooth rod 21 and a pressing plate 22, wherein the tooth rod 21 is arranged along the vertical direction Z of the reference block in an extending mode; the laminated plate 22 is perpendicular to the toothed bar 21 and movably connected with the toothed bar 21 along the vertical direction Z of the reference block; the pressing plate 22 is used for pressing and locking the predetermined object after the first clamping piece 11 and the second clamping piece 12 abut against the predetermined object. As can be understood, the plurality of first clamps 11 are intended to define the degree of freedom of the predetermined object along the surface of the reference block by abutting against the predetermined object; the plurality of second clamping pieces 12 and the pressing plates 22 serve to define a vertical degree of freedom of the predetermined object along the reference block 13 by abutting against the predetermined object, thus locking the position of the predetermined object. By arranging the clamping assembly 10 and the pressing assembly 20 of the clamp, the clamp can clamp a predetermined object (the part 40) more stably under the action of the first clamping piece 11, the second clamping piece 12 and the tooth rod 21, the clamping time of the part 40 can be reduced, and the processing efficiency of the compressor shell (the part 40 is used for processing the compressor shell) is improved; in addition, the clamping assembly 10 and the pressing assembly 20 have the error-proofing function, so that the position installation error of the part 40 is avoided, the installation consistency of the part 40 is ensured, the machining precision of the compressor shell is improved, and the condition that the economic loss is caused by equipment impact, machine tool damage and part 40 scrapping in the factor control machining process can be further avoided. In addition, the reference block 13 can also improve the installation height of the part 40, and ensure that the part 40 is sufficiently machined in a numerical control machining process.

In an exemplary embodiment, the first clamping member 11 and the second clamping member 12 are both outer hexagon bolts, for example, the first clamping member 11 is an M12 x 50L outer hexagon bolt, and the clamping assembly 10 further has an M12 nut matched with the first clamping member 11, which can limit the first clamping member 11 from backing up against the part 40, so that the first clamping member 11 is more tightly abutted against the part 40; second clamp 12 may be an M12 x 50L hex head bolt threadably secured in datum block 13, with a nut projecting above the surface of datum block 13 for supporting part 40. As known from the prior art, M denotes a normal thread and L denotes a nominal diameter.

Preferably, the portions of the plurality of second clamping members 12 protruding from the surface of the reference block 13 are limited to be located on the same plane, and the plane is parallel to the surface of the reference block 13. Generally, the component 40 is a cube (rectangular parallelepiped) as a whole, and the configuration makes the bottom surface of the component 40 parallel to the surface of the reference block 13 after the component 40 is mounted, so as to avoid the component 40 from being mounted obliquely, and ensure the machining accuracy of the component 40.

Further, the clamping assembly 10 further includes a plurality of baffles 14 connected to the reference block 13, the plurality of baffles 14 are arranged along the circumferential direction of the reference block 13, the plurality of first clamping members 11 are connected to the reference block 13 through the plurality of baffles 14, that is, after the baffles 14 are connected to the reference block 13, the first clamping members 11 are disposed on the baffles 14, specifically, the first clamping members 11 are movably inserted into the baffles 14, and extend out of the baffles 14 when abutting against the part 40. In this embodiment, the manner of disposing the baffle 14 on the reference block 13 is not particularly limited, and may be, for example, riveting or integral molding. In an exemplary embodiment, the baffle 14 is fastened to the datum block 13 by a plurality of socket head cap bolts (e.g., M12 x 40L).

Preferably, at least a first part of the first clamping pieces 11 extend along the X direction, and at least a first part of the first clamping pieces 11 are distributed on two sides of the reference block 13 along the X direction; at least a second part of the first clamping pieces 11 extend along the Y direction, and at least a second part of the first clamping pieces 11 are distributed on two sides of the reference block 13 along the Y direction; the X direction, the Y direction and the vertical direction Z of the reference block are mutually vertical in pairs, namely mutually vertical in space. Generally, the part 40 is a cube (rectangular parallelepiped) as a whole, and by configuring the above-mentioned at least first part of the first clamping member 11 and at least second part of the first clamping member 11, the displacement of the part 40 in the X direction and the Y direction, in practice, the displacement on the horizontal plane of the part 40, can be limited, and the pressing plate is used for pressing the part 40 along the vertical Z direction of the reference block, in practice, the part 40 along the gravity direction (vertical direction), so that the position of the limited part 40 in the three-dimensional spatial direction is stably clamped.

Preferably, with continuing reference to fig. 4, the adjacent first clamping member 11 extending along the X direction, the adjacent first clamping member 11 extending along the Y direction and the adjacent second clamping member 12 are configured as a clamping combination a, and the clamp includes four clamping combinations a; in this embodiment, the reference block 13 is configured to be rectangular, and four clamping combinations a are distributed at four corners of the surface of the reference block 13.

In other embodiments, at least the first portion of the clamps and at least the second portion of the clamps may also be angularly disposed (acute angle disposed), depending on the shape of the part 40. For example, where the part 40 is cylindrical, at least a first portion of the clamping members and at least a second portion of the clamping members are each arranged to extend towards a centre perpendicular to the datum block 13.

Preferably, with continued reference to fig. 1, 2 and 4, the fixture includes two clamping assemblies 10, and the two clamping assemblies 10 are arranged at intervals along the horizontal direction, or more specifically, along the extending direction of the pressing plate 22, and are distributed on two sides of the tooth bar 21. With such a configuration, two parts 40 can be processed simultaneously, and the processing efficiency can be improved. Preferably, two clamping assemblies 10 are arranged along the X-direction, and the pressing plate 22 extends along the X-direction.

Preferably, referring to fig. 3 in combination with fig. 4, fig. 2 is a side view of a jig according to an embodiment of the present invention, the jig includes at least two pressing assemblies 20 (two are shown in fig. 1 and 3), and the at least two pressing assemblies 20 are arranged at intervals, so that the number of the pressing plates 22 is increased, and the parts 40 can be pressed more stably. Preferably, at least two stitching assemblies 20 are disposed at intervals along the Y-direction.

Further, the pressing component 20 further includes a locking member 23 disposed on the tooth bar 21, and the pressing plate 22 is limited by the locking member 23 along the tooth bar 21. With the arrangement, after the pressing plate 22 abuts against the part 40, the locking piece 23 limits the movement of the pressing plate 22, so that the part 40 is stably pressed. In an exemplary embodiment, the compression bar is M20 × 550L, and the locking member 23 may be a mating M20 flange nut that is threaded onto the threaded rod 21.

Further, the fixture further comprises a bottom plate 30, the reference block 13 and the tooth bar 21 are arranged on the bottom plate 30, and the vertical direction Z of the reference block and the tooth bar 21 are perpendicular to the bottom plate 30. Specifically, the reference block 13 and the bottom plate 30 are sequentially penetrated and arranged through a positioning pin 15 (for example, a positioning pin 15 of D20 is adopted, and the diameter is 20mm) to realize the primary positioning of the reference block 13 and the bottom plate 30, and then a plurality of hexagon socket head cap bolts (for example, the model is M16 x 55L) are penetrated and arranged through the reference block 13 and then are fixedly connected with the bottom plate 30 through threads, so that the locking positioning of the reference block 13 and the bottom plate 30 is realized; here, the positioning pin 15 and the hexagon socket head cap screw are sunk in the reference block 13 and do not protrude. After the threaded rod 21 is mounted on the base plate 30, the position locking is achieved by means of a flange nut.

The applicant has found through practice that in the prior art, the manner of machining the compressor shell is generally to place the part 40 on the table of the machining equipment, then, through the working experience of workers, the part 40 is aligned and then the center is found, so that the time of a technician for clamping the part 40 once (including the processes of clamping, leveling, centering, tool setting and the like) is 30 minutes, the time of machining the part 40 is 50 minutes, and the working time of the technician is 8 hours each day, so that the daily yield of the compressor shell is about 6.1 pieces. In the clamp (comprising two clamping components) provided by the invention, technicians clamp the part 40 for about 3 minutes once, and the two parts 40 are about 6 minutes, because the clamp has a mistake-proofing design, the installation consistency of the part 40 can be ensured every time, the machining precision of the part 40 is ensured, the machining time of the part 40 can be shortened to 40 minutes, and two compressor housings can be obtained by machining once, and the technicians work for 8 hours every day.

Based on the above-mentioned clamp, the present embodiment further provides a numerical control machining system, which includes the above-mentioned clamp. It should be noted that, since the nc machining system has the fixture, the nc machining system also has the beneficial effects brought by the fixture, and the embodiment focuses on describing the beneficial effects brought by the part 40 clamped by the fixture to the machining of the compressor housing, and the working principle and other components of the nc machining system are not described in detail, and those skilled in the art can learn from the prior art.

To sum up, the utility model provides a clamp includes clamping subassembly and pressing components, and the clamping subassembly includes reference block, a plurality of first holder and a plurality of second holder, and first holder is connected with the reference block, and the axial of first holder is on a parallel with the surface of reference block, and a plurality of first holders are arranged along the circumference of reference block at intervals, and the first holder along self axial relatively the reference block movably sets up; the second clamping pieces are arranged on the reference block and movably extend out of the surface of the reference block along the vertical direction of the reference block, and the plurality of second clamping pieces are arranged at intervals; the first clamping piece and the second clamping piece are used for protruding to abut against a preset object; the pressing component comprises a tooth rod and a pressing plate, and the tooth rod is arranged along the vertical extension of the reference block; the laminated plate is vertical to the tooth rod and is movably connected with the tooth rod along the vertical direction of the reference block; the pressing plate is used for pressing and locking the preset object after the first clamping piece and the second clamping piece abut against the preset object. By arranging the clamping assembly and the pressing assembly of the clamp, a preset object (part) can be clamped more stably, the clamping time is reduced, and the processing efficiency of the compressor shell is improved; in addition, the clamping assembly and the pressing assembly have the error-proofing function, the position installation error of the parts is avoided, and the consistency of the parts installed at each time is guaranteed, so that the machining precision of the compressor shell is improved, and the condition that the economic loss is caused due to equipment impact, machine tool damage and part scrapping in the machining process can be further avoided.

The above description is only for the description of the preferred embodiment of the present invention, and not for any limitation of the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure all belong to the protection scope of the technical solution of the present invention.

Claims (10)

1. A clamp, comprising: a clamping component and a pressing component,

the clamping assembly comprises a reference block, a plurality of first clamping pieces and a plurality of second clamping pieces, the first clamping pieces are connected with the reference block, the axial direction of the first clamping pieces is parallel to the surface of the reference block, the first clamping pieces are arranged at intervals along the circumferential direction of the reference block, and the first clamping pieces are movably arranged relative to the reference block along the axial direction of the first clamping pieces; the second clamping pieces are arranged on the reference block and movably extend out of the surface of the reference block along the vertical direction of the reference block, and the second clamping pieces are arranged at intervals; the first clamping piece and the second clamping piece are used for protruding to abut against a preset object;

the pressing component comprises a tooth rod and a pressing plate, and the tooth rod is arranged along the vertical extension of the reference block; the laminated plate is perpendicular to the tooth rod and is movably connected with the tooth rod along the vertical direction of the reference block; the laminated plate is used for pressing and locking a preset object after the first clamping piece and the second clamping piece abut against the preset object.

2. The clamp of claim 1, wherein at least a first portion of the first clamping members extend in an X-direction, and at least a first portion of the first clamping members are distributed on both sides of the datum block in the X-direction; at least a second part of the first clamping pieces extend along the Y direction, and at least a second part of the first clamping pieces are distributed on two sides of the reference block along the Y direction; the X direction, the Y direction and the vertical direction of the reference block are mutually vertical pairwise.

3. The clamp of claim 2, wherein adjacent ones of said first clamping member extending in said X-direction, said first clamping member extending in said Y-direction, and said second clamping member are configured in a clamping combination, said clamp comprising four of said clamping combinations; the base block is rectangular, and the four clamping assemblies are distributed at four corners of the surface of the base block.

4. The clamp according to claim 1, wherein the clamp comprises two clamping assemblies, and the two clamping assemblies are horizontally arranged at intervals and distributed on two sides of the tooth bar.

5. The fixture of claim 1, wherein the fixture includes at least two of the compression assemblies, the at least two compression assemblies being spaced apart.

6. The fixture of claim 1, wherein the compression assembly further comprises a capture member disposed on the dental stem, the compression plate being constrained in position along the dental stem by the capture member.

7. The clamp of claim 1, wherein the clamping assembly further comprises a plurality of baffles connected to the reference block, the plurality of baffles are arranged along a circumferential direction of the reference block, and the plurality of first clamping members are connected to the reference block through the plurality of baffles.

8. The fixture of claim 1, further comprising a base plate, wherein the datum block and the threaded rod are both disposed on the base plate, and wherein the vertical direction of the datum block and the threaded rod are both perpendicular to the base plate.

9. The jig of claim 1 wherein the portions of the plurality of second clamping members that project beyond the surface of the reference block are constrained to lie in the same plane, and the plane is parallel to the surface of the reference block.

10. A numerical control machining system comprising a jig according to any one of claims 1 to 9.

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