CN219704787U - Self-centering clamping device for closed elastic diaphragm - Google Patents
Self-centering clamping device for closed elastic diaphragm Download PDFInfo
- Publication number
- CN219704787U CN219704787U CN202321056549.3U CN202321056549U CN219704787U CN 219704787 U CN219704787 U CN 219704787U CN 202321056549 U CN202321056549 U CN 202321056549U CN 219704787 U CN219704787 U CN 219704787U
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- clamping jaw
- clamping
- workpiece
- positioning
- closed elastic
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- 239000012528 membrane Substances 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to a self-centering clamping device for a closed elastic membrane, and belongs to the technical field of clamps. The problem that the accuracy of the workpiece clamping position is affected due to the fact that the existing clamp only considers workpiece side clamping and needs to hold a workpiece at any time to correct the vertical position is solved, and operation is inconvenient. The clamping jaw comprises a clamp body, a pull rod, a support rod, a clamping jaw body and positioning bolts, wherein the clamping jaw body is arranged on the clamp body, the pull rod is arranged at the axle center of the clamping jaw body, the side face of the clamping jaw body is connected with the positioning bolts, the positioning bolts are circumferentially arranged, and the support rod penetrates through the clamp body and the clamping jaw body. The adjusting support rod is suitable for the bottom surface and the height of a workpiece, is convenient to adjust, vertically supports and positions the workpiece, and then performs side positioning through rotating the positioning bolt, so that the whole clamping and positioning of the workpiece are realized, and the positioning is accurate.
Description
Technical Field
The utility model relates to a clamping device, and belongs to the technical field of clamps.
Background
In the machine manufacturing process, a jig is generally used to hold a workpiece so as to occupy a correct position. For example: the utility model discloses a positioning chuck fixture with the publication number of CN202291468U, which adopts the technical scheme that a plurality of positioning holes are formed in the peripheral side wall of a disc, positioning bolts penetrate through the positioning holes, the side face of a workpiece is clamped by the bolts, the temperature of the processing quality is improved, the clamping is convenient, the production efficiency is improved, the application range is wide, sliding friction is avoided, and the service life is long. However, in the clamping process, only the side clamping of the workpiece is considered, if the workpiece is annular and the like, the workpiece is required to be held by hands at any time to correct the vertical position, the operation is inconvenient, and the accuracy of the clamping position of the workpiece is affected.
Therefore, it is needed to provide a self-centering clamping device for a closed elastic membrane to solve the above-mentioned technical problems.
Disclosure of Invention
The present utility model has been developed to solve the problem that the existing clamps only consider the side clamping of the workpiece, require the workpiece to be held by hand at all times to correct the up and down positions, are inconvenient to operate, and affect the accuracy of the clamping position of the workpiece, and a brief overview of the present utility model is given below to provide a basic understanding of some aspects of the present utility model. It should be understood that this summary is not an exhaustive overview of the utility model. It is not intended to identify key or critical elements of the utility model or to delineate the scope of the utility model.
The technical scheme of the utility model is as follows:
the self-centering clamping device for the closed elastic membrane comprises a clamp body, a pull rod, a support rod, a clamping jaw body and positioning bolts, wherein the clamping jaw body is arranged on the clamp body, the pull rod is arranged at the axle center of the clamp body and the clamping jaw body, the side face of the clamping jaw body is connected with the positioning bolts, the positioning bolts are circumferentially arranged, and the support rod penetrates through the clamp body and the clamping jaw body.
Preferably: the clamping jaw body comprises a connecting disc and clamping jaws, the clamping jaws are circumferentially arranged on the connecting disc by taking the pull rod as an axis, the connecting disc is connected with the clamp body through the pull rod, a first threaded through hole is formed in the clamping jaws, a positioning bolt is connected with the clamping jaws through the first threaded through hole, and the end portion of the positioning bolt is used for clamping a workpiece.
Preferably: the number of the clamping jaws is ten.
Preferably: the support rod is a threaded rod, a through hole penetrating through the connecting disc and the clamping jaw is machined in the clamping jaw body, a second threaded hole corresponding to the through hole is machined in the clamping jaw body, the support rod is connected with the clamping jaw body through the second threaded hole, the support rod stretches out after penetrating through the second threaded hole and the through hole, and the stretching-out end portion of the support rod is used for supporting a workpiece.
Preferably: the supporting rod is arranged corresponding to the clamping jaw.
Preferably: the connecting disc is detachably connected with the clamp body through a plurality of bolts.
The utility model has the following beneficial effects:
the adjusting support rod is suitable for the bottom surface and the height of a workpiece, is convenient to adjust, vertically supports and positions the workpiece, and then performs side positioning through the rotary positioning bolt so as to realize the integral clamping and positioning of the workpiece, and is accurate in positioning;
after the clamping of the workpiece is finished, the positioning bolt can be disassembled through the second threaded hole, the through hole prevents the positioning bolt from deforming, the bearing and positioning effects are improved, the workpiece is not easy to damage, the interference to a cutter of a machine tool in the machining process can be avoided, and the workpiece can be machined after being clamped conveniently.
Drawings
FIG. 1 is a schematic structural view of a closed elastic membrane self-centering clamping device;
fig. 2 is a perspective view of a closed elastic membrane self-centering clamping device.
In the figure: the clamping device comprises a 1-clamp body, a 2-pull rod, a 3-support rod, a 4-clamping jaw body, a 5-positioning bolt, a 6-workpiece, a 7-bolt, a 41-connecting disc and a 42-clamping jaw.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
The connection mentioned in the utility model is divided into a fixed connection and a detachable connection, wherein the fixed connection is a conventional fixed connection mode such as a non-detachable connection including but not limited to a hemmed connection, a rivet connection, an adhesive connection, a welded connection and the like, the detachable connection is a conventional detachable mode such as a threaded connection, a snap connection, a pin connection, a hinge connection and the like, and when a specific connection mode is not limited explicitly, at least one connection mode can be found in the conventional connection mode by default, so that the function can be realized, and a person skilled in the art can select the device according to needs. For example: the fixed connection is welded connection, and the detachable connection is hinged connection. Injection molding is a method of molding thermoplastics in which almost all thermoplastics can be molded, and some thermosets can be injection molded
The first embodiment is as follows: 1-2, the closed elastic membrane self-centering clamping device of the embodiment comprises a clamp body 1, a pull rod 2, a support rod 3, a clamping jaw body 4 and a positioning bolt 5, wherein the clamping jaw body 4 is arranged on the clamp body 1, the pull rod 2 is arranged at the axial center of the clamp body 1 and the axial center of the clamping jaw body 4, the side surface of the clamping jaw body 4 is connected with the positioning bolt 5, the positioning bolts 5 are circumferentially arranged, and the support rod 3 penetrates through the clamp body 1 and the clamping jaw body 4 to prop against the bottom surface of a workpiece; the adjusting support rod 3 is suitable for the bottom surface and the height of a workpiece, is convenient to adjust, vertically supports and positions the workpiece, and laterally positions the workpiece through the rotary positioning bolt 5, so that the whole clamping and positioning of the workpiece are realized, and the positioning is accurate.
The second embodiment is as follows: referring to fig. 1-2, in the closed elastic membrane self-centering clamping device of this embodiment, the clamping jaw body 4 includes a connecting disc 41 and clamping jaws 42, the plurality of clamping jaws 42 are circumferentially arranged on the connecting disc 41 with the pull rod 2 as an axis, the connecting disc 41 is connected with the clamping jaw body 1 through the pull rod 2, a first threaded through hole is machined on the clamping jaws 42, a positioning bolt 5 is connected with the clamping jaws 42 through the first threaded through hole, an end portion of the positioning bolt 5 is used for clamping a workpiece 6, the connecting disc 41 and the clamping jaw body 1 are all circular, self-centering of the connecting disc 41 and the clamping jaw body 1 is realized through the pull rod 2, that is, coaxial arrangement of the clamping jaw body 4 is realized, and accuracy is improved.
And a third specific embodiment: the closed elastic membrane self-centering clamping device of the present embodiment has ten clamping jaws 42, which will be described with reference to fig. 1 to 2.
The specific embodiment IV is as follows: referring to fig. 1-2, in this embodiment, the closed elastic membrane self-centering clamping device is described, the supporting rod 3 is a threaded rod, the clamping jaw body 4 is processed with a through hole penetrating through the connecting disc 41 and the clamping jaw 42, the fixture body 1 is processed with a second threaded hole corresponding to the through hole, the supporting rod 3 is connected with the fixture body 1 through the second threaded hole, the supporting rod 3 stretches out after penetrating through the second threaded hole and the through hole, the stretching end of the supporting rod 3 is used for supporting the workpiece 6, the workpiece is a closed elastic membrane, after the clamping of the workpiece is completed, the positioning bolt 5 can be detached through the second threaded hole, the through hole prevents the positioning bolt 5 from deforming, the bearing and positioning effects are improved, the clamping device is not easy to damage, the tool of a machine tool can be prevented from interfering in the processing process, and the workpiece can be conveniently processed after the clamping.
Fifth embodiment: the closed elastic membrane self-centering clamping device of the present embodiment will be described with reference to fig. 1 to 2, in which the support rod 3 is provided corresponding to the clamping jaw 42.
Specific embodiment six: the closed elastic membrane self-centering clamping device of the present embodiment is described with reference to fig. 1 to 2, and further includes bolts 7, and a connecting disc 41 is detachably connected to the clamp body 1 by a plurality of bolts 7.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.
It should be noted that, in the above embodiments, as long as the technical solutions that are not contradictory can be arranged and combined, those skilled in the art can exhaust all the possibilities according to the mathematical knowledge of the arrangement and combination, so the present utility model does not describe the technical solutions after the arrangement and combination one by one, but should be understood that the technical solutions after the arrangement and combination have been disclosed by the present utility model.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The self-centering clamping device for the closed elastic membrane is characterized in that: including anchor clamps body (1), pull rod (2), bracing piece (3), clamping jaw body (4) and positioning bolt (5), install clamping jaw body (4) on anchor clamps body (1), clamping jaw body (4) axle center department sets up pull rod (2), and the side and the positioning bolt (5) of clamping jaw body (4) are connected, and a plurality of positioning bolt (5) circumference are arranged, and bracing piece (3) pass anchor clamps body (1), clamping jaw body (4).
2. The closed elastic membrane self-centering clamping device of claim 1, wherein: clamping jaw body (4) are including connection pad (41) and clamping jaw (42), and a plurality of clamping jaws (42) use pull rod (2) as axle center circumference to be arranged on connection pad (41), and connection pad (41) are connected with anchor clamps body (1) through pull rod (2), and processing has first screw thread through-hole on clamping jaw (42), and positioning bolt (5) are connected with clamping jaw (42) through first screw thread through-hole, and the tip of positioning bolt (5) is used for centre gripping work piece (6).
3. The closed elastic membrane self-centering clamping device of claim 2, wherein: the number of the clamping jaws (42) is ten.
4. A closed elastic membrane self-centering clamping device as claimed in claim 2 or 3, characterized in that: the supporting rod (3) is a threaded rod, a through hole penetrating through the connecting disc (41) and the clamping jaw (42) is formed in the clamping jaw body (4), a second threaded hole corresponding to the through hole is formed in the clamp body (1), the supporting rod (3) is connected with the clamp body (1) through the second threaded hole, the supporting rod (3) stretches out after penetrating through the second threaded hole and the through hole, and the stretching-out end part of the supporting rod (3) is used for supporting a workpiece (6).
5. The closed elastic membrane self-centering clamping device of claim 4, wherein: the supporting rod (3) is arranged corresponding to the clamping jaw (42).
6. The closed elastic membrane self-centering clamping device of claim 2, wherein: the clamp also comprises bolts (7), and the connecting disc (41) is detachably connected with the clamp body (1) through a plurality of bolts (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056549.3U CN219704787U (en) | 2023-05-06 | 2023-05-06 | Self-centering clamping device for closed elastic diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056549.3U CN219704787U (en) | 2023-05-06 | 2023-05-06 | Self-centering clamping device for closed elastic diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219704787U true CN219704787U (en) | 2023-09-19 |
Family
ID=87999483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321056549.3U Active CN219704787U (en) | 2023-05-06 | 2023-05-06 | Self-centering clamping device for closed elastic diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219704787U (en) |
-
2023
- 2023-05-06 CN CN202321056549.3U patent/CN219704787U/en active Active
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