CN111468750A - Clamp apparatus - Google Patents
Clamp apparatus Download PDFInfo
- Publication number
- CN111468750A CN111468750A CN202010334452.9A CN202010334452A CN111468750A CN 111468750 A CN111468750 A CN 111468750A CN 202010334452 A CN202010334452 A CN 202010334452A CN 111468750 A CN111468750 A CN 111468750A
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- clamping
- clamp
- mounting
- sliding structure
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- 230000000712 assembly Effects 0.000 claims abstract description 18
- 238000000429 assembly Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides a clamp. The clamp includes: the base body is provided with a mounting cavity and a plurality of mounting grooves communicated with the mounting cavity; the clamping assemblies are arranged in one-to-one correspondence to the mounting grooves, and at least part of each clamping assembly is slidably arranged in the corresponding mounting groove; a plurality of clamping components surround to form a clamping space; the rotary table is positioned in the mounting cavity and provided with a plurality of arc-shaped concave parts, a plurality of clamping assemblies are arranged in one-to-one correspondence with the arc-shaped concave parts, and at least part of each clamping assembly is slidably arranged in the corresponding arc-shaped concave part; and the driving device is in driving connection with the rotary table to drive the rotary table to rotate so as to drive each clamping assembly to slide along the corresponding mounting groove through the rotary table, and further adjust the size of the clamping space. The invention effectively solves the problem that the automation degree of the clamp in the prior art is low, so that the labor intensity of workers is increased.
Description
Technical Field
The invention relates to the technical field of clamps, in particular to a clamp.
Background
Currently, in the field of clamping devices, three-jaw chucks, which are mechanical or pneumatic, are commonly used to clamp a workpiece to be machined. Wherein, the theory of operation of mechanical type three-jaw chuck does: the staff rotates the inner oblique fluted disc through the three-jaw wrench, so that the snail-shaped spiral line lug boss on the back of the inner oblique fluted disc drives the three jaws to lift and contract, and the purpose of clamping or loosening is achieved. The working principle of the pneumatic three-jaw chuck is as follows: the air compressor provides compressed air for the three-jaw cylinder to drive the three jaws to clamp or loosen through the three-jaw cylinder.
However, the mechanical three-jaw chuck cannot realize automatic clamping, so that the labor intensity of workers is increased; the pneumatic type three-jaw chuck needs the air compressor machine to provide stable air supply, has increased staff's the control degree of difficulty, and it is tight only to can press from both sides tightly to treat the machined part to the centering small-size.
Disclosure of Invention
The invention mainly aims to provide a clamp to solve the problem that in the prior art, the automation degree of the clamp is low, and the labor intensity of workers is increased.
In order to achieve the above object, the present invention provides a jig comprising: the base body is provided with a mounting cavity and a plurality of mounting grooves communicated with the mounting cavity; the clamping assemblies are arranged in one-to-one correspondence to the mounting grooves, and at least part of each clamping assembly is slidably arranged in the corresponding mounting groove; a plurality of clamping components surround to form a clamping space; the rotary table is positioned in the mounting cavity and provided with a plurality of arc-shaped concave parts, a plurality of clamping assemblies are arranged in one-to-one correspondence with the arc-shaped concave parts, and at least part of each clamping assembly is slidably arranged in the corresponding arc-shaped concave part; and the driving device is in driving connection with the rotary table to drive the rotary table to rotate so as to drive each clamping assembly to slide along the corresponding mounting groove through the rotary table, and further adjust the size of the clamping space.
Further, the pedestal includes: the cover plate comprises an annular plate body and a first flanging connected with the annular plate body, wherein the annular plate body is provided with a plurality of mounting grooves, and each mounting groove extends along the radial direction of the annular plate body; the bottom plate is connected with the first flanging, and the bottom plate and the cover plate surround to form an installation cavity; wherein, the annular plate body is coaxial with the carousel.
Further, the turntable comprises a turntable body and a second flanging connected with the turntable body, the turntable body is provided with an arc-shaped concave part, and the second flanging is located between the bottom plate and the turntable body so that the turntable body and the bottom plate are arranged at intervals.
Further, the clamp also comprises a first anti-friction piece, and the first anti-friction piece is arranged between the second flanging and the bottom plate; and/or the first antifriction part is arranged between the first flanging and the rotating disc; and/or the first friction reducing member is disposed between the annular plate body and the disc body.
Further, each clamping assembly comprises: a clamping member; the first sliding structure is connected with the clamping piece and can be arranged in the mounting groove in a sliding manner; and the second sliding structure is connected with the clamping piece through the first sliding structure and can be arranged in the arc-shaped concave part in a sliding manner.
Furthermore, the first sliding structure is provided with a first limiting part, a second limiting part is arranged on the groove wall of the mounting groove, and the first limiting part and the second limiting part limit the stop, so that the first sliding structure slides along the extending direction of the mounting groove.
Further, the second sliding structure is a cylinder.
Further, the holder has an installation notch for installing the workpiece to be processed, and the fixture further comprises: the second antifriction part is arranged on the mounting notch so as to reduce the friction force between the clamping part and the workpiece to be machined; wherein, the second antifriction part is made by polyurethane material.
Further, the jig further includes: the gear structure is provided with a first tooth-shaped part, the turntable is provided with a second tooth-shaped part, the first tooth-shaped part is meshed with the second tooth-shaped part, and the driving device drives the turntable to rotate through the gear structure.
Further, the jig further includes: the speed reducer is connected with the driving end of the driving device to reduce the speed of the driving end, and an output shaft of the speed reducer extends into the gear structure and is connected with the gear structure; the speed reducer is arranged on one side, away from the cover plate, of the bottom plate, at least part of the bottom plate protrudes towards the speed reducer to form a protruding portion, and an accommodating cavity for accommodating the gear structure is formed between the protruding portion and the rotary disc.
By applying the technical scheme of the invention, when the clamp is required to clamp the workpiece to be machined, the workpiece to be machined is firstly arranged on the clamping component. And then, starting the driving device, driving the turntable to rotate by the driving device, driving each clamping assembly to slide along the corresponding mounting groove and the corresponding arc-shaped concave part through the turntable, and synchronously sliding the plurality of clamping assemblies towards directions close to or away from each other to adjust the size of the clamping space, thereby realizing the clamping of the workpiece to be processed. Like this, after starting drive arrangement, drive arrangement can drive each centre gripping subassembly through the carousel and slide along rather than corresponding mounting groove to realize that the self-holding of machined part is treated to anchor clamps or release, and then solved among the prior art the degree of automation of anchor clamps lower and increased staff intensity of labour's problem, promoted the degree of automation of anchor clamps, reduced staff's intensity of labour.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows a perspective view of an embodiment of a clamp according to the present invention;
FIG. 2 shows a top view of the clamp of FIG. 1;
FIG. 3 shows a front view of the clamp of FIG. 1;
FIG. 4 shows a cross-sectional view A-A of the clamp of FIG. 3;
FIG. 5 shows a perspective view of the first and second slide structures of the clamp of FIG. 1 assembled; and
fig. 6 shows a top view of the turntable of the clamp in fig. 1.
Wherein the figures include the following reference numerals:
10. a base body; 11. a mounting cavity; 12. mounting grooves; 121. a second limiting part; 13. a cover plate; 131. an annular plate body; 132. a first flanging; 14. a base plate; 141. a projection; 20. a clamping assembly; 21. a clamping member; 211. installing a notch; 22. a first sliding structure; 221. a first limiting part; 23. a second sliding structure; 30. a turntable; 31. an arc-shaped concave part; 32. a tray body; 33. second flanging; 40. a drive device; 41. a driving end; 50. a gear structure; 60. a reduction gear; 61. an output shaft; 70. a second friction reducing member.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present invention, unless stated to the contrary, use of the directional terms "upper and lower" are generally directed to the orientation shown in the drawings, or to the vertical, or gravitational direction; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; "inner and outer" refer to the inner and outer relative to the profile of the respective member itself, but the above directional terms are not intended to limit the present invention.
In order to solve the problem that the automation degree of the clamp in the prior art is low and the labor intensity of workers is increased, the application provides the clamp.
As shown in fig. 1 to 6, the clamping apparatus includes a base 10, three clamping assemblies 20, a rotating disc 30 and a driving device 40. Wherein, the base body 10 has a mounting cavity 11 and three mounting grooves 12 communicated with the mounting cavity 11. The three clamping components 20 are arranged in one-to-one correspondence with the three mounting grooves 12, and at least part of each clamping component 20 is slidably arranged in the mounting groove 12 corresponding to the clamping component. Three clamping assemblies 20 form a clamping space around them. The rotary table 30 is located in the mounting cavity 11, the rotary table 30 has three arc-shaped recesses 31, the three clamping assemblies 20 are arranged in one-to-one correspondence with the three arc-shaped recesses 31, and at least part of each clamping assembly 20 is slidably arranged in the arc-shaped recess 31 corresponding to the clamping assembly. The driving device 40 is in driving connection with the rotary plate 30 to drive the rotary plate 30 to rotate, so that each clamping assembly 20 is driven by the rotary plate 30 to slide along the corresponding mounting groove 12, thereby adjusting the size of the clamping space.
By applying the technical scheme of the embodiment, when the clamp is required to clamp the workpiece to be processed, the workpiece to be processed is firstly installed on the clamping assembly 20. After that, the driving device 40 is started, the driving device 40 drives the turntable 30 to rotate, so as to drive each clamping assembly 20 to slide along the mounting groove 12 and the arc-shaped concave portion 31 corresponding to the clamping assembly through the turntable 30, and the three clamping assemblies 20 synchronously slide towards directions away from each other, so as to increase the size of the clamping space, and further realize clamping of the workpiece to be machined. Like this, after starting drive arrangement 40, drive arrangement 40 can drive each centre gripping subassembly 20 through carousel 30 and slide along rather than corresponding mounting groove 12 to realize that the automatic clamping or the release of the machined part are treated to the anchor clamps, and then solved among the prior art the degree of automation of anchor clamps lower and increased staff's intensity of labour's problem, promoted the degree of automation of anchor clamps, reduced staff's intensity of labour.
In this embodiment, the driving device 40 is a servo motor, and the clamping force of the clamp on the workpiece to be processed is controlled by adjusting the torque of the servo motor. The clamp in the embodiment is widely applicable to automatic clamping, processing, carrying and the like of medium and large-sized workpieces, labor cost is saved to a great extent, the purposes of cost reduction and efficiency improvement are achieved, and working efficiency is effectively improved.
It should be noted that the clamping manner of the clamp to the workpiece is not limited to this. In other embodiments, not shown in the drawings, the three clamping assemblies slide towards each other synchronously to reduce the size of the clamping space, thereby realizing the clamping of the workpiece to be processed. Like this, after starting drive arrangement, drive arrangement can drive each centre gripping subassembly through the carousel and slide along rather than corresponding mounting groove to realize that the self-holding of machined part is treated to anchor clamps or release, and then solved among the prior art the degree of automation of anchor clamps lower and increased staff intensity of labour's problem, promoted the degree of automation of anchor clamps, reduced staff's intensity of labour
It should be noted that the number of the clamping assemblies 20 is not limited to this, and may be adjusted according to the size or weight of the workpiece to be processed. Optionally, the gripping assembly 20 is two, or four, or five, or six.
The number of mounting grooves 12 is not limited to this, and may be the same as the number of clamp assemblies 20. Optionally, the mounting slots 12 are two, or four, or five, or six.
The number of the arc-shaped recesses 31 is not limited to this, and may be the same as the number of the clamp assemblies 20. Optionally, the mounting slots 12 are two, or four, or five, or six.
As shown in fig. 1 to 4, the holder body 10 includes a cover plate 13 and a base plate 14. The cover plate 13 includes an annular plate body 131 and a first flange 132 connected to the annular plate body 131, and the annular plate body 131 has three mounting grooves 12, each mounting groove 12 extending in a radial direction of the annular plate body 131. The bottom plate 14 is connected with the first flange 132, and the bottom plate 14 and the cover plate 13 surround to form the mounting cavity 11. Wherein the annular plate 131 is arranged coaxially with the turntable 30. Therefore, in the process that the turntable 30 rotates around the central axis thereof, each arc-shaped concave portion 31 drives the corresponding clamping component 20 to slide along the arc-shaped concave portion 31 and the mounting groove 12, so that each clamping component 20 slides towards the direction close to or away from the central axis, the motion reliability of each clamping component 20 is further improved, and the clamping component 20 is prevented from being jammed or jammed in the mounting groove 12 or the arc-shaped concave portion 31 to influence the normal clamping of the clamp on the workpiece to be processed.
Specifically, the cover plate 13 is detachably connected with the bottom plate 14, so that the rotary disc 30 is easier and simpler to disassemble and assemble or replace, and the operation difficulty of workers is reduced. Meanwhile, the cover plate 13 is arranged to provide enough space for the mounting cavity 11, so as to prevent the turntable 30 from moving and interfering with the base 10 during the rotation process to affect the normal use of the clamp.
As shown in fig. 4, the turntable 30 includes a tray 32 and a second flange 33 connected to the tray 32, the tray 32 has an arc-shaped recess 31, and the second flange 33 is located between the base 14 and the tray 32 so that the tray 32 is spaced apart from the base 14. Thus, the above arrangement of the second flange 33 ensures a gap between the disc 32 and the base plate 14, thereby preventing the disc 32 from contacting the base plate 14 to affect the rotation of the turntable 30, and preventing the base plate 14 from rubbing against the disc 32 to cause structural wear.
Specifically, the arc-shaped concave portion 31 is an arc-shaped hole, and the central axis of the arc-shaped hole and the central axis of the disk 32 are arranged in parallel to each other. Thus, the arc-shaped concave part 31 is easier and simpler to process, and the processing difficulty and the processing cost are reduced.
Note that the structure of the arc-shaped recess 31 is not limited to this. Optionally, the arcuate recess 31 is an arcuate slot.
Optionally, the clamp further comprises a first friction reducing member disposed between the second flange 33 and the base plate 14. Thus, in the rotating process of the turntable 30, even if the second flanging 33 is in contact with the bottom plate 14, the friction force between the second flanging 33 and the bottom plate 14 can be reduced by the arrangement of the first anti-friction member, so that the structural wear of the turntable 30 and the bottom plate 14 is reduced, and the service life of the clamp is prolonged.
Optionally, a first friction reducing member is disposed between the first flange 132 and the rotating disc 30. Specifically, the first wear reducing member is arranged between the surface of the first flange 132 facing the rotary disc 30 and the rotary disc 30, and even if the first flange 132 contacts the rotary disc 30, the friction force between the first flange 132 and the rotary disc 30 can be reduced by the arrangement of the first wear reducing member, so that the structural wear of the cover plate 13 and the rotary disc 30 is reduced, and the service life of the clamp is prolonged.
Optionally, a first friction reducing member is provided between the annular plate body 131 and the disc body 32. Specifically, the first wear reducing member is disposed between the annular plate body 131 and the disc body 32, so that even if the annular plate body 131 contacts with the disc body 32, the friction force between the annular plate body 131 and the disc body 32 can be reduced by the arrangement of the first wear reducing member, thereby reducing the structural wear of the cover plate 13 and the turntable 30, and prolonging the service life of the fixture.
Optionally, the first friction reducing member is made of a silicone or rubber material.
As shown in fig. 1 and 5, each clamping assembly 20 includes a clamping member 21, a first sliding structure 22, and a second sliding structure 23. Wherein, the first sliding structure 22 is connected with the clamping piece 21, and the first sliding structure 22 is slidably arranged in the mounting groove 12. The second sliding structure 23 is connected with the clamping piece 21 through the first sliding structure 22, and the second sliding structure 23 is slidably arranged in the arc-shaped concave part 31. In this way, the mounting groove 12 is a straight groove, the first sliding structure 22 slides in the mounting groove 12, and the second sliding structure 23 slides in the arc-shaped concave portion 31, so as to avoid the jamming phenomenon during the sliding process, the first sliding structure 22 and the second sliding structure 23 can be processed into different shapes and sizes.
Specifically, the clamping member 21 is used for mounting the workpiece to be machined, the first sliding structure 22 can slide along the mounting groove 12, and the second sliding structure 23 can slide along the arc-shaped concave portion 31. In the rotating process of the turntable 30, the arc-shaped concave portion 31 contacts with the second sliding structure 23 and drives the second sliding structure to slide along the arc-shaped concave portion 31, and meanwhile, the second sliding structure 23 drives the first sliding structure 22 to move, so that the first sliding structure 22 slides along the mounting groove 12, and thus, each clamping assembly 20 slides along the mounting groove 12 corresponding to the clamping assembly.
In the present embodiment, the first sliding structure 22 and the second sliding structure 23 are integrally formed. The processing method of each clamp assembly 20 is not limited to this. Optionally, the first sliding structure 22 and the second sliding structure 23 are snapped, or glued, or connected by fasteners, or welded.
In this embodiment, the clamping member 21 is connected to the first sliding structure 22 through a fastener, so that the clamping member 21 and the first sliding structure 22 can be assembled and disassembled more easily and conveniently, and the difficulty in assembling and disassembling is reduced.
As shown in fig. 1 and fig. 5, the first sliding structure 22 has a first position-limiting portion 221, a second position-limiting portion 121 is disposed on a groove wall of the installation groove 12, and the first position-limiting portion 221 and the second position-limiting portion 121 limit the stop, so that the first sliding structure 22 slides along the extending direction of the installation groove 12. Specifically, first spacing portion 221 is the recess, and second spacing portion 121 is protruding, and at first sliding structure 22 along mounting groove 12 carry out gliding in-process, the protruding recess of stretching into and with the spacing backstop of recess to prevent that first sliding structure 22 from taking place the phenomenon of rocking from side to side, ensure that centre gripping subassembly 20 can slide along the extending direction of mounting groove 12.
The structures of the first stopper portion 221 and the second stopper portion 121 are not limited to this. Optionally, the first position-limiting portion 221 is a protrusion, and the second position-limiting portion 121 is a groove.
As shown in fig. 5, the second sliding structure 23 is a cylinder. Thus, the above arrangement of the second sliding structure 23 makes the sliding of the second sliding structure 23 along the arc-shaped concave portion 31 easier and smoother; on the other hand, the structure of the second sliding structure 23 is simpler, the processing and the realization are easy, and the processing cost of the clamp is reduced.
As shown in fig. 1 and 4, the holder 21 has a mounting notch 211 for mounting a member to be machined, and the jig further includes a second wear reducing member 70. The second wear reducing member 70 is disposed on the mounting notch 211 to reduce friction between the holder 21 and the member to be machined. Wherein the second friction reducing member 70 is made of a polyurethane material. Thus, the above arrangement of the second wear reducing member 70 not only reduces the structural wear of the clamping member 21, but also prevents the jig from scratching or cutting the workpiece to be machined.
The material of the second wear reduction member 70 is not limited to this. Alternatively, the second wear reducing member 70 is made of rubber or silicone.
As shown in fig. 4, the clamp further includes a gear structure 50. The gear structure 50 has a first tooth-shaped portion, the turntable 30 has a second tooth-shaped portion, the first tooth-shaped portion is engaged with the second tooth-shaped portion, and the driving device 40 drives the turntable 30 to rotate through the gear structure 50. Thus, the arrangement makes the driving of the turntable 30 by the driving device 40 more reliable, and the use reliability of the clamp is improved.
As shown in fig. 1, 3 and 4, the jig further includes a reduction gear 60. Wherein, reduction gear 60 is connected with drive end 41 of drive device 40 to carry out the speed reduction to drive end 41, and output shaft 61 of reduction gear 60 stretches into gear structure 50 and is connected with gear structure 50. The reduction gear unit 60 is disposed on a side of the bottom plate 14 away from the cover plate 13, at least a portion of the bottom plate 14 protrudes toward the reduction gear unit 60 to form a protrusion 141, and a receiving cavity for receiving the gear structure 50 is formed between the protrusion 141 and the rotary plate 30. In this way, the speed reducer 60 can reduce the rotation speed of the driving end 41 to a preset rotation speed value, and avoid the rotation speed of the turntable 30 from being too high to generate a large clamping force, so as to damage the workpiece to be machined.
Specifically, the driving device 40 is mounted on the speed reducer 60, the housing of the speed reducer 60 is connected with the bottom plate 14 to mount the speed reducer 60 and the driving device 40 on the housing body 10, and the above arrangement of the protruding portion 141 ensures that the gear structure 50 can be mounted in the mounting cavity 11, so that the internal structural layout of the clamp is more reasonable and compact.
In the present embodiment, when the turntable 30 is in the initial position, the size of the clamping space is minimum; after the turntable 30 rotates by the preset angle C, the clamping space is increased to the maximum value, and the preset angle C is less than or equal to 90 °.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
when the workpiece to be processed is clamped by the clamp, the workpiece to be processed is firstly arranged on the clamping assembly. And then, starting the driving device, driving the turntable to rotate by the driving device, driving each clamping assembly to slide along the corresponding mounting groove and the corresponding arc-shaped concave part through the turntable, and synchronously sliding the plurality of clamping assemblies towards directions close to or away from each other to adjust the size of the clamping space, thereby realizing the clamping of the workpiece to be processed. Like this, after starting drive arrangement, drive arrangement can drive each centre gripping subassembly through the carousel and slide along rather than corresponding mounting groove to realize that the self-holding of machined part is treated to anchor clamps or release, and then solved among the prior art the degree of automation of anchor clamps lower and increased staff intensity of labour's problem, promoted the degree of automation of anchor clamps, reduced staff's intensity of labour.
It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 (10)
1. A clamp, comprising:
the seat body (10) is provided with a mounting cavity (11) and a plurality of mounting grooves (12) communicated with the mounting cavity (11);
the clamping components (20) are arranged in one-to-one correspondence with the mounting grooves (12), and at least part of each clamping component (20) is slidably arranged in the corresponding mounting groove (12); a plurality of clamping assemblies (20) form a clamping space around;
a turntable (30) located in the mounting cavity (11), wherein the turntable (30) has a plurality of arc-shaped recesses (31), a plurality of clamping assemblies (20) are arranged in one-to-one correspondence with the arc-shaped recesses (31), and at least part of each clamping assembly (20) is slidably arranged in the arc-shaped recess (31) corresponding to the clamping assembly;
the driving device (40) is in driving connection with the rotary disc (30) to drive the rotary disc (30) to rotate, so that the rotary disc (30) drives the clamping assemblies (20) to slide along the corresponding mounting grooves (12), and the size of the clamping space is adjusted.
2. The clamp according to claim 1, characterized in that said seat (10) comprises:
the cover plate (13) comprises an annular plate body (131) and a first flanging (132) connected with the annular plate body (131), the annular plate body (131) is provided with a plurality of mounting grooves (12), and each mounting groove (12) extends along the radial direction of the annular plate body (131);
the bottom plate (14) is connected with the first flanging (132), and the bottom plate (14) and the cover plate (13) surround to form the mounting cavity (11);
wherein the annular plate body (131) is arranged coaxially with the turntable (30).
3. The clamp of claim 2, wherein the turntable (30) includes a disk (32) and a second flange (33) connected to the disk (32), the disk (32) having the arcuate recess (31), the second flange (33) being positioned between the base plate (14) and the disk (32) to space the disk (32) from the base plate (14).
4. The clamp of claim 3, further comprising a first friction reducing member,
the first antifriction element is arranged between the second flanging (33) and the base plate (14); and/or
The first wear reducing member is arranged between the first flange (132) and the turntable (30); and/or
The first friction reducing member is disposed between the annular plate body (131) and the disc body (32).
5. The clamp according to claim 1, characterized in that each of said clamping assemblies (20) comprises:
a clamp (21);
the first sliding structure (22) is connected with the clamping piece (21), and the first sliding structure (22) is slidably arranged in the mounting groove (12);
a second sliding structure (23), wherein the second sliding structure (23) is connected with the clamping piece (21) through the first sliding structure (22), and the second sliding structure (23) is slidably arranged in the arc-shaped concave part (31).
6. The clamp according to claim 5, wherein the first sliding structure (22) has a first position-limiting portion (221), a second position-limiting portion (121) is disposed on a groove wall of the mounting groove (12), and the first position-limiting portion (221) and the second position-limiting portion (121) limit a stop, so that the first sliding structure (22) slides along an extending direction of the mounting groove (12).
7. The clamp according to claim 5, characterized in that said second sliding structure (23) is a cylinder.
8. The jig of claim 5 wherein the clamp (21) has a mounting notch (211) for mounting a member to be machined, the jig further comprising:
a second wear reducing member (70), the second wear reducing member (70) being disposed on the mounting notch (211) to reduce a frictional force between the holder (21) and the member to be machined; wherein the second friction reducing member (70) is made of a polyurethane material.
9. The clamp of claim 2, further comprising:
the gear structure (50), the gear structure (50) has first profile of tooth portion, carousel (30) has second profile of tooth portion, first profile of tooth portion with second profile of tooth portion meshes mutually, drive arrangement (40) pass through gear structure (50) drive carousel (30) rotate.
10. The clamp of claim 9, further comprising:
a reduction gear (60), the reduction gear (60) being connected to the drive end (41) of the drive (40) to reduce the speed of the drive end (41), an output shaft (61) of the reduction gear (60) extending into the gear structure (50) and being connected to the gear structure (50); the speed reduction device (60) is arranged on one side of the bottom plate (14) far away from the cover plate (13), at least part of the bottom plate (14) protrudes towards the speed reduction device (60) to form a protruding part (141), and a containing cavity for containing the gear structure (50) is formed between the protruding part (141) and the rotating disc (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010334452.9A CN111468750A (en) | 2020-04-24 | 2020-04-24 | Clamp apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010334452.9A CN111468750A (en) | 2020-04-24 | 2020-04-24 | Clamp apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111468750A true CN111468750A (en) | 2020-07-31 |
Family
ID=71764375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010334452.9A Pending CN111468750A (en) | 2020-04-24 | 2020-04-24 | Clamp apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN111468750A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112222882A (en) * | 2020-09-24 | 2021-01-15 | 山东倍瑞恳新材料有限公司 | Brake disc grinding clamp stable in clamping |
| CN112518630A (en) * | 2020-12-12 | 2021-03-19 | 芜湖大捷离合器有限公司 | Automobile clutch assembly tool |
| CN112572074A (en) * | 2020-12-07 | 2021-03-30 | 机械工业第九设计研究院有限公司 | Internal expanding type tire gripper suitable for automatic automobile tire mounting system |
| CN112589211A (en) * | 2020-12-12 | 2021-04-02 | 陆红华 | Manufacturing and forming method of pipeline connecting piece |
| CN112621807A (en) * | 2020-12-17 | 2021-04-09 | 珠海格力智能装备有限公司 | Clamp apparatus |
| CN113001238A (en) * | 2021-03-03 | 2021-06-22 | 王科往 | Automatic change material feeding unit before numerical control |
| CN113263218A (en) * | 2021-06-16 | 2021-08-17 | 江西乔扬数控设备有限公司 | Linear rail high-precision high-efficiency part machining center with workpiece deviation prevention function |
| CN114227319A (en) * | 2022-01-04 | 2022-03-25 | 重庆巨麒建筑扣件制造有限公司 | Rapid cutting device for hardware fittings |
| CN114247909A (en) * | 2021-12-31 | 2022-03-29 | 杭州电子科技大学 | Adjustable three-point support cutting tool for soft material with large length-diameter ratio and cutting method thereof |
| CN114523320A (en) * | 2021-11-04 | 2022-05-24 | 杭州大和热磁电子有限公司 | Adjusting tool for machining lathe claw |
| CN115735702A (en) * | 2022-11-17 | 2023-03-07 | 武汉理工大学 | Automatic tree planting device |
| CN116277363A (en) * | 2023-02-14 | 2023-06-23 | 宁波霍科电器有限公司 | Quick assembly disassembly equipment of shank |
| CN116713914A (en) * | 2023-08-08 | 2023-09-08 | 江苏远东电机制造有限公司 | Automatic pressure regulating formula grinding device of motor housing production |
| CN118342390A (en) * | 2024-05-27 | 2024-07-16 | 龙盛源(江苏)传动科技有限公司 | Grinding device is used in automobile flange processing |
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| CN204486826U (en) * | 2015-01-22 | 2015-07-22 | 玖钛精密有限公司 | The raw pawl of lathe for machining can interlock fine setting shaping coil structures |
| CN205763962U (en) * | 2016-07-06 | 2016-12-07 | 衢州启程机械设备有限公司 | A kind of scroll chuck that can realize Quick-clamped |
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| CN108857540A (en) * | 2018-09-14 | 2018-11-23 | 珠海格力智能装备有限公司 | Clamping jaw structure and clamp with same |
| CN210147026U (en) * | 2019-07-09 | 2020-03-17 | 金华市高级技工学校 | Pushing locking structure of claw disc |
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| US1442107A (en) * | 1920-03-16 | 1923-01-16 | Vernaz Marcel | Chuck |
| CN103121118A (en) * | 2013-03-08 | 2013-05-29 | 昆山市佰奥自动化设备科技有限公司 | Three-jaw chuck locating mechanism |
| CN204486826U (en) * | 2015-01-22 | 2015-07-22 | 玖钛精密有限公司 | The raw pawl of lathe for machining can interlock fine setting shaping coil structures |
| CN205763962U (en) * | 2016-07-06 | 2016-12-07 | 衢州启程机械设备有限公司 | A kind of scroll chuck that can realize Quick-clamped |
| CN207086943U (en) * | 2017-06-01 | 2018-03-13 | 高明铁企业股份有限公司 | Arc rail precision clamping jaw |
| CN207723514U (en) * | 2017-12-25 | 2018-08-14 | 宁波艾克密封件制造有限公司 | A kind of sealing ring steel ring aid mechanism |
| CN108857540A (en) * | 2018-09-14 | 2018-11-23 | 珠海格力智能装备有限公司 | Clamping jaw structure and clamp with same |
| CN210147026U (en) * | 2019-07-09 | 2020-03-17 | 金华市高级技工学校 | Pushing locking structure of claw disc |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112222882A (en) * | 2020-09-24 | 2021-01-15 | 山东倍瑞恳新材料有限公司 | Brake disc grinding clamp stable in clamping |
| CN112222882B (en) * | 2020-09-24 | 2022-04-08 | 山东倍瑞恳新材料有限公司 | Brake disc grinding clamp stable in clamping |
| CN112572074A (en) * | 2020-12-07 | 2021-03-30 | 机械工业第九设计研究院有限公司 | Internal expanding type tire gripper suitable for automatic automobile tire mounting system |
| CN112518630A (en) * | 2020-12-12 | 2021-03-19 | 芜湖大捷离合器有限公司 | Automobile clutch assembly tool |
| CN112589211A (en) * | 2020-12-12 | 2021-04-02 | 陆红华 | Manufacturing and forming method of pipeline connecting piece |
| CN112589211B (en) * | 2020-12-12 | 2023-08-29 | 江苏狼博管道制造有限公司 | Manufacturing and forming method of pipeline connecting piece |
| CN112621807A (en) * | 2020-12-17 | 2021-04-09 | 珠海格力智能装备有限公司 | Clamp apparatus |
| CN113001238A (en) * | 2021-03-03 | 2021-06-22 | 王科往 | Automatic change material feeding unit before numerical control |
| CN113263218A (en) * | 2021-06-16 | 2021-08-17 | 江西乔扬数控设备有限公司 | Linear rail high-precision high-efficiency part machining center with workpiece deviation prevention function |
| CN114523320A (en) * | 2021-11-04 | 2022-05-24 | 杭州大和热磁电子有限公司 | Adjusting tool for machining lathe claw |
| CN114247909A (en) * | 2021-12-31 | 2022-03-29 | 杭州电子科技大学 | Adjustable three-point support cutting tool for soft material with large length-diameter ratio and cutting method thereof |
| CN114227319A (en) * | 2022-01-04 | 2022-03-25 | 重庆巨麒建筑扣件制造有限公司 | Rapid cutting device for hardware fittings |
| CN114227319B (en) * | 2022-01-04 | 2023-10-27 | 重庆巨麒建筑扣件制造有限公司 | Quick cutting device of hardware fitting |
| CN115735702A (en) * | 2022-11-17 | 2023-03-07 | 武汉理工大学 | Automatic tree planting device |
| CN116277363A (en) * | 2023-02-14 | 2023-06-23 | 宁波霍科电器有限公司 | Quick assembly disassembly equipment of shank |
| CN116713914A (en) * | 2023-08-08 | 2023-09-08 | 江苏远东电机制造有限公司 | Automatic pressure regulating formula grinding device of motor housing production |
| CN116713914B (en) * | 2023-08-08 | 2023-10-13 | 江苏远东电机制造有限公司 | Automatic pressure regulating formula grinding device of motor housing production |
| CN118342390A (en) * | 2024-05-27 | 2024-07-16 | 龙盛源(江苏)传动科技有限公司 | Grinding device is used in automobile flange processing |
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Application publication date: 20200731 |