CN216327858U - Clamping tool for cylindrical workpieces - Google Patents
Clamping tool for cylindrical workpieces Download PDFInfo
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- CN216327858U CN216327858U CN202122984844.2U CN202122984844U CN216327858U CN 216327858 U CN216327858 U CN 216327858U CN 202122984844 U CN202122984844 U CN 202122984844U CN 216327858 U CN216327858 U CN 216327858U
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- mandrel
- clamping tool
- positioning block
- cylindrical workpieces
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- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000002950 deficient Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model provides a clamping tool for cylindrical workpieces, which comprises a mandrel, wherein one end of the mandrel is provided with a limiting bulge, and the other end of the mandrel is provided with a sliding block which slides towards the circumferential direction; the diameter of an inner hole of the cylindrical workpiece is X, the length or the diameter of the limiting bulge is Y, the diameter of the mandrel is Z, and Y is more than X and more than Z. One end of the cylindrical workpiece is abutted to the limiting protrusion on the mandrel, then the sliding block is driven to be abutted to the inner wall of the cylinder in a circumferential sliding mode, the fixed supporting clamping of the cylindrical workpiece is completed through the mandrel, and then the cylindrical workpiece can be processed through clamping or fixing of the mandrel, so that the mounting fixing difficulty is reduced, the use convenience and the use quality are improved, and the production cost is reduced.
Description
Technical Field
The utility model relates to the field of clamp structures, in particular to a clamping tool for cylindrical workpieces.
Background
For hollow tube products made of high polymer materials, the structural strength of the products is relatively low due to the characteristics of the materials, so that when the products are processed, the processing difficulty is high due to the fact that the products are not provided with special fixtures, the situation of distortion and deformation is easy to occur during processing, the subsequent assembly and use are directly influenced, and the problems of high defective rate and high production cost are solved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a clamping tool for cylindrical workpieces, and aims to solve the problem that hollow pipe workpieces made of high polymer materials are not easy to install and fix.
The utility model is realized by the following steps: a clamping tool for cylindrical workpieces comprises a mandrel, wherein a limiting bulge is arranged at one end of the mandrel, and a sliding block which slides in the circumferential direction is arranged at the other end of the mandrel; the diameter of an inner hole of the cylindrical workpiece is X, the length or the diameter of the limiting bulge is Y, the diameter of the mandrel is Z, and Y is larger than X and larger than Z.
Preferably, the mandrel comprises a lower positioning block, an upper positioning block and a connecting rod which is connected and arranged between the lower positioning block and the upper positioning block, the limiting protrusion is arranged on the lower positioning block, and the sliding block is arranged on the upper positioning block.
Preferably, the limiting protrusion is of an annular structure.
Preferably, the sliding block includes that the symmetry sets up two semicircular sliding blocks and a wedge on the another terminal surface of dabber, two the V style of calligraphy recess is constituteed to the relative side of semicircular sliding block, the wedge be used for with V style of calligraphy recess top is supported the cooperation and is promoted or the separation setting.
Preferably, at least one fixing piece is arranged between the semicircular sliding block and the mandrel, and the through hole formed by the fixing piece and the mandrel is a strip-shaped hole which vertically faces the V-shaped groove.
Preferably, one end of the fixing piece penetrates through the upper positioning block and is arranged on the lower positioning block.
Preferably, the wedge block is provided with a bolt locked with the mandrel.
The utility model has the beneficial effects that:
1. one end of the cylindrical workpiece is abutted to the limiting protrusion on the mandrel, then the sliding block is driven to be abutted to the inner wall of the cylinder in a circumferential sliding mode, the fixed supporting clamping of the cylindrical workpiece is completed through the mandrel, and then the cylindrical workpiece can be processed through clamping or fixing of the mandrel, so that the mounting fixing difficulty is reduced, the use convenience and the use quality are improved, and the production cost is reduced.
2. The dabber is formed by lower locating piece, last locating piece and connecting rod concatenation, can effectively reduce the size of dabber at the design of connecting rod to and reduce the weight of dabber, improve the convenience of using.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a clamping fixture for cylindrical workpieces according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a clamping fixture for cylindrical workpieces according to an embodiment of the present invention, shown in a second view.
Reference numerals:
10. a mandrel;
101. a lower positioning block; 102. an upper positioning block; 103. a connecting rod;
20. a limiting bulge;
30. a slider;
301. a semicircular slide block; 302. a wedge block; 303. a V-shaped groove; 304. a strip-shaped hole;
3021. a bolt;
40. and a fixing member.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples of the following,
Referring to fig. 1 and fig. 2, the present embodiment provides a clamping tool for a cylindrical workpiece, including a mandrel 10, a limiting protrusion 20 is disposed at one end of the mandrel 10, and a sliding block 30 sliding in a circumferential direction is disposed at the other end of the mandrel 10; the diameter of an inner hole of the cylindrical workpiece is X, the length or the diameter of the limiting bulge 20 is Y, the diameter of the mandrel 10 is Z, and Y is more than X and more than Z.
The cylindrical workpiece may be a cylindrical workpiece made of a polymer material, and Y-X may be set to 0.2mm, and if the length of the cylindrical workpiece is 300mm and the inner hole diameter is 80mm, the length of the mandrel 10 is less than 300 mm.
Specifically, support the one end top of drum work piece on dabber 10 spacing arch 20, drive sliding block 30 then and carry out the gliding sliding block 30 top of circumference and support on the inner wall of drum, accomplish the fixed stay centre gripping to the drum work piece through dabber 10, and then through the centre gripping or fixing to dabber 10, can reduce the fixed degree of difficulty of installation to the processing of drum work piece, improve convenience and the processingquality of use, reduction in production cost.
As shown in fig. 2, in the present embodiment, the mandrel 10 includes a lower positioning block 101, an upper positioning block 102, and a link 103 connected between the lower positioning block 101 and the upper positioning block 102, the limiting protrusion 20 is disposed on the lower positioning block 101, and the sliding block 30 is disposed on the upper positioning block 102. The thickness of the lower positioning block 101 and the upper positioning block 102 can be set to be 50mm, the thickness of the sliding block 30 can be set to be 30mm, and the length of the connecting rod 103 can be set to be less than 170 mm.
Through the combined splicing of the lower positioning block 101, the upper positioning block 102 and the connecting rod 103, the weight of the mandrel 10 can be reduced, the size of the mandrel 10 can be reduced, and the use convenience can be improved. Can dismantle the design of concatenation, also can take place to damage the back in the part, change, reduce the cost of maintenance, improve the practicality.
As shown in fig. 1 and fig. 2, the limiting protrusion 20 in this embodiment is an annular structure, and by the design of the annular structure, the cylindrical workpiece can be stably supported and matched, so that the clamping stability is improved.
As shown in fig. 2, in this embodiment, the sliding block 30 includes two semicircular sliding blocks 301 and a wedge block 302 symmetrically disposed on the other end surface of the core shaft 10, the opposite side surfaces of the two semicircular sliding blocks 301 form a V-shaped groove 303, and the wedge block 302 is configured to be pushed against and pushed or separated from the V-shaped groove 303. When wedge 302 and V style of calligraphy recess 303 cooperate, support through the top of wedge 302, promote two semi-circular slider 301 and outwards expand and slide, support until the inner wall to the drum work piece pushes up, reach and push up the cooperation with the terminal surface of dabber 10 one end and drum work piece, and the other end of dabber 10 carries out inside to support fixedly to the drum work piece, can adapt to the effect of the longer drum work piece's of relative phase centre gripping frock simultaneously, improve suitability and practicality.
Specifically, as shown in fig. 2, at least one fixing member 40 is disposed between the semicircular slider 301 and the mandrel 10 in this embodiment, and the through hole where the fixing member 40 is matched with the mandrel 10 is a strip-shaped hole 304 facing the V-shaped groove 303 vertically. The fixing piece 40 can be a bolt, the strip-shaped hole 304 can be a waist-shaped hole, the semicircular slider 301 is locked on the end face of the mandrel 10 through the bolt, when the wedge-shaped block 302 is matched with the V-shaped groove 303, the semicircular slider 301 is pushed to move for clamping, the purpose of clamping the semicircular slider 301 is achieved, meanwhile, the structure is easy to disassemble and maintain, the cost is low, and the practicability is high.
As shown in fig. 2, in the present embodiment, one end of the fixing member 40 penetrates through the upper positioning block 102 and is disposed on the lower positioning block 101. The fixing piece 40 can be a screw rod, one end of the screw rod is fixedly arranged on the lower positioning block 101, and the other end of the screw rod penetrates through the upper positioning block and the semicircular slider 301, so that the fixing piece 40 can improve the stability between the upper positioning block 102 and the lower positioning block 101, the effect of locking the semicircular slider 301 can be achieved, and the practicability is improved.
As shown in fig. 2, the wedge block 302 of this embodiment is provided with a bolt 3021 locked with the spindle 10. The wedge-shaped block 302 is locked by the bolt 3021, so that the wedge-shaped block 302 is slowly matched with the V-shaped groove 303, the wedge-shaped block 302 is pressed and clamped by the bolt 3021 and the V-shaped groove 303, and the semicircular slide block 301 is pushed by the continuous locking of the bolt 3021, so that the purpose of clamping the inside of the cylindrical workpiece is achieved.
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 (7)
1. The clamping tool for the cylindrical workpieces is characterized by comprising a mandrel, wherein a limiting bulge is arranged at one end of the mandrel, and a sliding block which slides towards the circumferential direction is arranged at the other end of the mandrel;
the diameter of an inner hole of the cylindrical workpiece is X, the length or the diameter of the limiting bulge is Y, the diameter of the mandrel is Z, and Y is larger than X and larger than Z.
2. The clamping tool for the cylindrical workpieces as recited in claim 1, wherein: the mandrel comprises a lower positioning block, an upper positioning block and a connecting rod which is connected and arranged between the lower positioning block and the upper positioning block, the limiting protrusion is arranged on the lower positioning block, and the sliding block is arranged on the upper positioning block.
3. The clamping tool for the cylindrical workpieces according to claim 1 or 2, wherein the clamping tool comprises: the limiting bulge is of an annular structure.
4. The clamping tool for the cylindrical workpieces as recited in claim 2, wherein: the sliding block includes that the symmetry sets up two semi-circular slider and a wedge on the another terminal surface of dabber, two the V style of calligraphy recess is constituteed to the relative side of semi-circular slider, the wedge be used for with V style of calligraphy recess top is supported the cooperation and is promoted or the separation setting.
5. The clamping tool for the cylindrical workpieces as claimed in claim 4, wherein the clamping tool comprises: at least one fixing piece is arranged between the semicircular sliding block and the mandrel, and the fixing piece and the mandrel matched through hole are strip-shaped holes which vertically face the V-shaped groove.
6. The clamping tool for the cylindrical workpieces as recited in claim 5, wherein: one end of the fixing piece penetrates through the upper positioning block and is arranged on the lower positioning block.
7. The clamping tool for the cylindrical workpieces as claimed in claim 4, wherein the clamping tool comprises: the wedge block is provided with a bolt locked with the mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122984844.2U CN216327858U (en) | 2021-11-30 | 2021-11-30 | Clamping tool for cylindrical workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122984844.2U CN216327858U (en) | 2021-11-30 | 2021-11-30 | Clamping tool for cylindrical workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216327858U true CN216327858U (en) | 2022-04-19 |
Family
ID=81156046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122984844.2U Active CN216327858U (en) | 2021-11-30 | 2021-11-30 | Clamping tool for cylindrical workpieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216327858U (en) |
-
2021
- 2021-11-30 CN CN202122984844.2U patent/CN216327858U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A clamping fixture for cylindrical workpieces Granted publication date: 20220419 Pledgee: Bank of China Limited Xiamen Kaiyuan sub branch Pledgor: XIAMEN LAIMAN NEW MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2024980005444 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |