CN211916226U - Clamp for producing net rack support arc-shaped plate - Google Patents

Abstract

The utility model provides an anchor clamps are used in production of rack support arc, including vertical support, horizontal support and fixed flat board, be provided with two pairs of connecting holes on the fixed flat board, vertical support and the center of connection of horizontal support are provided with the clamping hole, be provided with the center pin in the clamping hole, be provided with the shaft shoulder on the center pin, the front end threaded connection of center pin has the fastening connector, fixed flat board one side be provided with the bolt protective sheath of connecting hole position one-to-one, fixed flat board's opposite side is provided with the shock attenuation groove, be provided with the shock attenuation board in the shock attenuation groove, it is protruding to be provided with the counterpoint. The utility model can be stably connected with the four-jaw chuck by using the central shaft, and has better clamping effect; the screwing length of the connecting bolt is increased by using the bolt protective sleeve, so that the connecting bolt is prevented from falling off in the assembling and disassembling process, and the working efficiency is favorably ensured; the damping plate component can improve the connection stability of the connecting bolt, and the alignment rate is improved by the alignment convex structure, so that the workpiece clamping time is reduced.

Description

Clamp for producing net rack support arc-shaped plate

Technical Field

The utility model belongs to the technical field of steel construction production facility, especially, relate to an anchor clamps are used in production of rack support arc.

Background

The net rack support is a support used in steel structure engineering. The grid structure is widely applied to large-span building structures such as various stadiums, hangars and the like, has large span and high earthquake resistance requirement, and inevitably causes large reaction force and displacement of the support, so that the design of the support not only needs to meet the strength requirement, but also needs to meet the displacement requirement. And the support is provided with an arc plate, so that the problem of the displacement of the net rack support can be well solved.

CN201521032697.7 discloses a rack support arc adds clamping apparatus, it is mainly that the upper and lower end that supports vertically at the support frame is connected with the upper and lower dull and stereotyped locating surface of symmetrical arrangement and area connecting hole, left and right dull and stereotyped locating surface of symmetrical arrangement and area connecting hole is connected with the left and right end that supports horizontally at the support frame, and the centre of gyration of upper, lower, left and right dull and stereotyped locating surface coincides with lathe spindle rotation center, in order to guarantee the centre of gyration of the arc that adds coincides with lathe spindle rotation center, make the arc radius of the arc after the lathe work unanimous and thickness is even. Not only can simultaneously carry out the turning of four arc plates once, but also can effectively improve the processing smooth finish of the arc surface of the arc plate, thereby effectively improving the production efficiency and the product quality. The device has the problems that the clamping effect of the support frame and the four-jaw chuck is poor, and particularly the four-jaw chuck has better workpiece clamping capacity of a shaft end, so that the stability of the support frame and the workpiece in the four-jaw chuck is poor, and the processing quality is influenced; moreover, the connecting bolt of the flat positioning surface and the workpiece is easy to fall off when being unscrewed, and the overall production efficiency is affected because of no anti-falling structure; secondly, especially when dull and stereotyped locating surface is connected with the work piece, the alignment effect of connecting hole is not good, and the two probably appear connecting the not hard up because of the vibration in the course of working in addition, influences the arc quality.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that foretell arc adds clamping apparatus exists, provide a reasonable in design, simple structure, press from both sides the rack support arc production that dress stability is higher, be convenient for connect and be favorable to guaranteeing arc production quality and use anchor clamps.

In order to achieve the above purpose, the technical scheme adopted by the utility model is that the fixture for producing the arc-shaped plate of the net rack support comprises a vertical support and a transverse support, the upper end and the lower end of the vertical support and the left end and the right end of the transverse support are respectively provided with a fixed flat plate, the fixed flat plate is provided with two pairs of connecting holes, the connecting center of the vertical support and the transverse support is provided with a clamping hole, a central shaft is arranged in the clamping hole, a shaft shoulder is arranged on the central shaft, the front end of the central shaft is in threaded connection with a fastening connector, a bolt protecting sleeve which is in one-to-one correspondence with the positions of the connecting holes is fixedly arranged on one side of the fixed flat plate facing the vertical support or the transverse support, a damping groove is arranged on one side of the fixed flat plate, which is far away from, and one side of the damping plate, which deviates from the vertical support or the transverse support, is provided with alignment bulges which correspond to the connecting hole positions one by one.

Preferably, the central shaft is of tubular construction.

Preferably, three reinforcing plates are arranged inside the central shaft and are distributed at intervals of 120 degrees.

Preferably, a plurality of hexagon socket holes are uniformly arranged on the side surface of the fastening connector.

Preferably, the vertical support and the transverse support are both I-shaped plates, and reinforcing ribs connected with wing plates of the I-shaped plates are arranged on the fixed flat plates.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model provides a jig for producing net rack support arc-shaped plates, which can be stably connected with a four-jaw chuck by using a central shaft, and improves the stability of vertical support and transverse support in the working process; the screwing length of the connecting bolt is increased by using the bolt protective sleeve, so that the connecting bolt is prevented from falling off in the assembling and disassembling process, and the working efficiency is improved; the damping plate component can improve the connection stability of the connecting bolt, and can improve the alignment rate by means of the alignment convex structure, so that the workpiece clamping time is reduced. This device reasonable in design, simple structure, stability are better, are fit for promoting on a large scale.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is an isometric view of a jig for use in the production of curved panels from a rack support according to an embodiment;

FIG. 2 is a front view of a jig for manufacturing an arc-shaped plate of a rack support according to an embodiment;

in the above figures, 1, vertical support; 2. transversely supporting; 3. fixing the flat plate; 31. connecting holes;

32. a damping groove; 4. clamping holes; 5. a central shaft; 51. a shaft shoulder; 6. fastening the connector; 61. an inner hexagonal hole; 7. a bolt protective sleeve; 8. a damper plate; 81. aligning the bulges; 9. a reinforcing plate;

10. and (4) reinforcing ribs.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

In the embodiment, as shown in fig. 1 and 2, the utility model provides a jig for producing net rack support arc-shaped plate, which comprises a vertical support 1 and a horizontal support 2, wherein the upper and lower ends of the vertical support 1 and the left and right ends of the horizontal support 2 are respectively provided with a fixing plate 3, and the fixing plate 3 is provided with two pairs of connecting holes 31. One end of the fixing flat plate 3, which is far away from the vertical support or the transverse support, is used for clamping a workpiece, and the workpiece can be connected in the connecting hole 31 through a connecting bolt. The utility model discloses on prior art's basis, be provided with clamping hole 4 in vertical support 1 and the center of connection of horizontal support 2, be provided with center pin 5 in clamping hole 4, be provided with shaft shoulder 51 on the center pin 5, the front end threaded connection of center pin 5 has fastening connector 6, fixed dull and stereotyped 3 is gone up to fix the bolt protective sheath 7 that is provided with connecting hole position one-to-one towards one side of vertical support or horizontal support, the one side that deviates from vertical support or horizontal support on the fixed dull and stereotyped 3 is provided with damping groove 32, be provided with damping plate 8 in the damping groove 32, the one side that deviates from vertical support 1 or horizontal support 2 on damping plate 8 is provided with the counterpoint arch 81 with connecting hole position one-to-one.

In the device, the vertical support 1 and the horizontal support 2 form an integral support frame, the clamping hole 4 of the support frame is used for passing through the central shaft 5, the shaft shoulder 51 of the central shaft 5 abuts against the rear side of the support frame, and the central shaft, the vertical support and the horizontal support are fixed by the fastening connector 6. Like this, fixed improvement one-tenth axle is fixed again through the connected form with support frame and four-jaw chuck, has effectively improved the stability of being connected of support frame and four-jaw chuck, provides sufficient walking allowance for lathe tool processing moreover, is favorable to improving processingquality. Further, the bolt protective sleeve 7 in the device effectively prolongs the screwing depth of the connecting bolt on the fixed flat plate 3, provides enough axial moving distance for withdrawing the workpiece, avoids the workpiece from separating from the fixed flat plate 3 to increase the clamping difficulty, effectively reduces the clamping time, and is beneficial to improving the working efficiency.

Furthermore, the device utilizes the damping plate 8 to buffer the vibration potential energy generated by the fixed flat plate and the workpiece in the machining process, the stability is good, the connection stability of the connecting bolt can be improved, and the service life of the connecting bolt is effectively prolonged; the damping groove 32 is specially adopted in the device, the area of the damping groove covers a rectangular area formed by two pairs of connecting holes, and the damping plate is arranged in the damping groove and is enough to ensure the damping effect by adopting the damping plate with a certain thickness. Secondly, the structure of the alignment protrusion 81 on the surface of the damping plate 8 can be matched with a sink groove processed on a workpiece, so that the alignment difficulty is reduced, the alignment rate is improved, the workpiece clamping time is reduced, and the production efficiency is improved.

In order to reduce the quality of this device, the utility model provides a center pin 5 is the tubular structure, and not adopt solid axle construction, and its quality is light characteristics with the solid axle of size relatively has the quality, is favorable to improving work efficiency.

In order to improve the strength of the central shaft, the utility model discloses be provided with three reinforcing plate 9 that are 120 degrees interval distribution in the inside of central shaft 5.

In order to improve the clamping efficiency, the utility model discloses evenly be provided with a plurality of interior hexagonal holes 61 in the side of fastening connector 6, utilize interior hexagonal hole 61 and outer hexagonal instrument cooperation and directly rotate fastening connector, convenient operation and efficiency are higher.

In order to improve the structural strength of this device, the utility model discloses in except adopting the I-shaped plate structure with vertical braces 1 and horizontal support 2, be provided with the stiffening rib 10 of being connected with the pterygoid lamina of I-shaped board on fixed dull and stereotyped 3, utilize stiffening rib 10 to increase the welding area of fixed dull and stereotyped and vertical braces or horizontal support, fixed effect is better.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (5)

1. A fixture for producing an arc-shaped plate of a net rack support comprises a vertical support and a transverse support, wherein the upper end and the lower end of the vertical support and the left end and the right end of the transverse support are respectively provided with a fixed flat plate, the fixed flat plate is provided with two pairs of connecting holes, it is characterized in that the connecting center of the vertical support and the transverse support is provided with a clamping hole, a central shaft is arranged in the clamping hole, a shaft shoulder is arranged on the central shaft, the front end of the central shaft is connected with a fastening connector in a threaded manner, one side of the fixed flat plate facing the vertical support or the transverse support is fixedly provided with bolt protective sleeves which are in one-to-one correspondence with the positions of the connecting holes, a damping groove is arranged on one side of the fixed flat plate, which is far away from the vertical support or the transverse support, a damping plate is arranged in the damping groove, and one side of the damping plate, which deviates from the vertical support or the transverse support, is provided with alignment bulges which correspond to the connecting hole positions one by one.

2. The jig for producing a grid support arc according to claim 1, wherein the central shaft has a tubular configuration.

3. The jig for producing the arc-shaped plate of the net rack support according to claim 2, wherein three reinforcing plates are arranged inside the central shaft at intervals of 120 degrees.

4. The jig for producing the arc-shaped plate of the net rack support according to claim 3, wherein a plurality of hexagonal socket holes are uniformly formed in the side surface of the fastening connector.

5. The jig for producing the arc-shaped plate of the net rack support according to claim 4, wherein the vertical support and the horizontal support are both I-shaped plates, and the fixing flat plate is provided with a reinforcing rib connected with a wing plate of the I-shaped plate.

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