CN220051382U - A hand-held fixture for polishing of a plurality of round pin samples - Google Patents
A hand-held fixture for polishing of a plurality of round pin samples Download PDFInfo
- Publication number
- CN220051382U CN220051382U CN202321469978.3U CN202321469978U CN220051382U CN 220051382 U CN220051382 U CN 220051382U CN 202321469978 U CN202321469978 U CN 202321469978U CN 220051382 U CN220051382 U CN 220051382U
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- polishing
- pin
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- handheld
- held
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- 238000005498 polishing Methods 0.000 title claims abstract description 46
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 abstract description 3
- 239000010432 diamond Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000007517 polishing process Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000011092 Hand injury Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Polishing Bodies And Polishing Tools (AREA)
Abstract
The utility model discloses a handheld clamp for grinding and polishing a plurality of pin samples, and belongs to the technical field of grinding and polishing clamps. The anti-skid pin sample holder comprises a handheld rod, wherein anti-skid diamond lines are arranged on the surface of the handheld rod, a plurality of connecting rods arranged in the same plane are welded on the circumference of the bottom of the handheld rod, each connecting rod is welded with a cylindrical pin sample holder, the side length of each pin sample holder is 10mm, the side length range of a clamping pin sample is 5-8 mm, the clamping height range is 8-20 mm, and two adjacent side faces of each pin sample holder are respectively provided with a clamping bolt. This handheld anchor clamps once can carry out the polishing work by a plurality of round pin samples of centre gripping simultaneously, and handheld pole convenient to use person operates, can improve polishing's efficiency greatly, and handheld anchor clamps can let the user carry out multi-direction polishing through the centre gripping round pin sample, improves the utilization ratio of abrasive paper, save time and the cost of polishing, reduce the degree of difficulty of polishing operation simultaneously, convenient and fast.
Description
Technical Field
The utility model belongs to the technical field of grinding and polishing clamps, and particularly relates to a handheld clamp for grinding and polishing a plurality of pin samples.
Background
Before the tribological properties of the pin samples are studied, they are usually polished to remove other impurities from the pin surface, which can cause the workpiece to reach the roughness required for the friction test of the sample. However, in the conventional polishing process, a researcher can only hold one sample for polishing at a time, the efficiency is very low, the handheld mode is inconvenient to operate, and one sample can only be polished by using one part of the abrasive paper, so that the utilization rate of the abrasive paper can be greatly reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a handheld clamp for grinding and polishing a plurality of pin samples, and solve the problems of low grinding and polishing efficiency and low utilization rate of abrasive paper of the existing pin samples.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the utility model discloses a handheld clamp for grinding and polishing a plurality of pin samples, which comprises a handheld rod, wherein the bottom of the handheld rod is circumferentially connected with a plurality of connecting rods, each connecting rod is connected with a pin sample fixer, and the pin sample fixer is provided with a clamping bolt.
Preferably, the surface of the hand-held rod is provided with anti-slip diamond patterns.
Preferably, the number of the connecting rods is four, and the four connecting rods are arranged in the same plane and are perpendicular to each other.
Preferably, the pin sample holder has a cylindrical structure with an open bottom.
Further preferably, the pin sample holder is provided with openings on both adjacent sides thereof, and the clamping bolts are provided on the openings.
Further preferably, a spacer is provided opposite the opening.
Further preferably, the thickness of the spacer is 2mm and the diameter is 7mm.
Preferably, the pin specimen holder holds the pin specimen with a side length ranging from 5 to 8mm and a height ranging from 8 to 20mm.
Preferably, the pin sample holder has a side length of 10mm.
Preferably, the welding is performed between the hand-held rod and the connecting rod, and between the connecting rod and the pin sample holder.
Compared with the prior art, the utility model has the following beneficial effects:
according to the handheld clamp for grinding and polishing the plurality of pin samples, the connecting rod is used for connecting the handheld rod and the pin sample holders, the plurality of pin sample holders are used for clamping the plurality of pin samples, and the clamping bolts arranged on the pin sample holders can control the clamping degree of the pin samples. This handheld anchor clamps once can carry out the polishing work by a plurality of round pin samples of centre gripping simultaneously, and handheld pole convenient to use person operates, can improve polishing's efficiency greatly, and handheld anchor clamps can let the user carry out multi-direction polishing through the centre gripping round pin sample, improves the utilization ratio of abrasive paper, save time and the cost of polishing, reduce the degree of difficulty of polishing operation simultaneously, convenient and fast.
Further, through setting up diamond-shaped anti-skidding line on handheld pole, increased the frictional force at handheld position, the user is more convenient when the operation.
Further, the number of the connecting rods is four, the connecting rods are arranged in the same plane and are mutually perpendicular, and when in grinding and polishing, the stress of each connecting rod is uniform, and the layout is reasonable and reliable.
Further, two mutually perpendicular clamping bolts are arranged in the pin sample holder, so that the pin sample can be prevented from falling off in the grinding and polishing process. Simultaneously, the clamping degree can be adjusted in the cooperation of two clamping bolts to adapt to the round pin sample of different sizes.
Further, the welding between the hand-held rod and the connecting rod and between the connecting rod and the pin sample fixer can ensure the reliability of structural connection and improve the safety during polishing operation.
Drawings
FIG. 1 is a perspective view of a hand-held fixture for multiple pin specimen grinding and polishing of the present utility model;
FIG. 2 is a front view of a hand-held fixture for multiple pin specimen grinding and polishing of the present utility model;
fig. 3 is a top view of a hand-held fixture for multiple pin specimen polishing of the present utility model.
Wherein: 1-pin sample holder; 2-a hand-held lever; 3-connecting rod; 4-clamping bolts.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
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 the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The utility model is described in further detail below with reference to the attached drawing figures:
referring to fig. 1 to 3, the handheld clamp for grinding and polishing a plurality of pin samples provided by the utility model is made of 45 # steel, and comprises a handheld rod 2, wherein the length of the handheld rod 2 is 50-80 mm, preferably 50mm, and the diameter of the handheld rod is 10-15 mm, preferably 10mm, and the surface of the handheld rod 2 is provided with anti-slip diamond patterns, which can increase the friction force of handheld parts, prevent the handheld clamp from slipping in the grinding and polishing process, and reduce the injury probability of a user.
The bottom of the handheld rod 2 is welded with a plurality of connecting rods 3 in the circumferential direction, the connecting rods 3 are used for connecting the handheld rod 2 and the pin sample holder 1, and the length of the connecting rods 3 is 5-8 mm. The connecting rods 3 are all in the same plane, and the number of the connecting rods 3 is 2, 3, 4 or 5, preferably 4. When the number of the connecting rods 3 is 4, the 4 connecting rods 3 are mutually perpendicular, so that the stress of each connecting rod 3 in polishing can be ensured to be uniform.
The tail end of each connecting rod 3 is welded with a pin sample holder 1, and the pin sample holder 1 is used for clamping pin samples, so that a plurality of samples can be polished simultaneously, and the working efficiency is greatly improved. The pin sample holder 1 is of a cylindrical structure with an opening at the bottom, and the length of each side of the cylindrical structure is 10mm; the adjacent two sides of the pin sample fixer 1 are all provided with openings, the opposite surfaces of the openings are all provided with anti-slip gaskets, the thickness of each anti-slip gasket is 2mm, the diameter of each anti-slip gasket is 7mm, and the anti-slip gaskets can prevent the pin sample from slipping in the clamping process. The two open holes of the pin sample fixer 1 are respectively provided with the clamping bolts 4, the clamping bolts 4 at the two open holes are mutually perpendicular, the clamping bolts 4 penetrate through the open holes to clamp the pin sample, the clamping degree of the pin sample is controlled by adjusting the clamping bolts 4, and the pin sample can be prevented from falling off in the grinding and polishing process. The pin sample holder 1 can hold a pin sample in a range of 5 to 8mm in side length and 8 to 20mm in height.
The utility model provides a use method of a handheld clamp for grinding and polishing a plurality of pin samples, which comprises the following steps: before the polishing operation is required, the clamping bolt 4 is unscrewed, a pin sample to be polished is put into a proper position from the bottom of the pin sample holder 1, then the clamping bolt 4 is screwed tightly to fix the pin sample, the steps are repeated, and after the pin sample is fixed, the pin sample can be put on a polishing machine to be polished.
The operator holds the clamp in hand to polish the pin samples, a plurality of pin samples are polished simultaneously, and diamond-shaped anti-skid patterns are arranged on the handheld rod 2, so that the handheld area of the operator can be increased, the hand injury of the operator caused by friction force is reduced, the long-time operation is facilitated, and the injury probability of the operator is reduced; secondly, the polishing work of a plurality of pin samples can be simultaneously carried out, so that the time is saved, the polishing efficiency of the pin samples can be greatly improved, and the polishing is convenient and quick; and thirdly, the pin sample can be polished in multiple directions by adopting the handheld clamp, so that the utilization rate of the abrasive paper is improved, the polishing cost is saved, and the polishing operation difficulty is reduced.
The above is only for illustrating the technical idea of the present utility model, and the protection scope of the present utility model is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present utility model falls within the protection scope of the claims of the present utility model.
Claims (10)
1. A hand-held fixture for grinding and polishing a plurality of pin samples is characterized by comprising a hand-held rod (2), wherein a plurality of connecting rods (3) are circumferentially connected to the bottom of the hand-held rod (2), each connecting rod (3) is connected with a pin sample holder (1), and a clamping bolt (4) is arranged on each pin sample holder (1).
2. A hand-held fixture for multiple pin sample polishing according to claim 1, characterized in that the surface of the hand-held rod (2) is provided with anti-slip diamond-shaped grains.
3. A hand-held fixture for polishing a plurality of pin samples according to claim 1, characterized in that the number of the connecting rods (3) is four, and the four connecting rods (3) are arranged in the same plane and are perpendicular to each other.
4. A hand-held fixture for multiple pin specimen grinding and polishing according to claim 1, characterized in that the pin specimen holder (1) is shaped as a cylindrical structure with an open bottom.
5. A hand-held fixture for multiple pin specimen grinding and polishing according to claim 4, characterized in that adjacent two sides of the pin specimen holder (1) are provided with openings, on which clamping bolts (4) are arranged.
6. A hand-held fixture for multiple pin specimen polishing as recited in claim 5, wherein said open-cell is opposite a spacer.
7. A hand-held fixture for multiple pin specimen polishing according to claim 6, wherein the shim has a thickness of 2mm and a diameter of 7mm.
8. A hand-held jig for multiple pin specimen polishing according to any one of claims 1 to 7, characterized in that the pin specimen holder (1) holds the pin specimen with a side length ranging from 5 to 8mm and a height ranging from 8 to 20mm.
9. A hand-held fixture for multiple pin specimen grinding and polishing according to any one of claims 1 to 7, characterized in that the pin specimen holder (1) has a side length of 10mm.
10. A hand-held fixture for grinding and polishing of a plurality of pin samples according to any one of claims 1 to 7, characterized in that the hand-held rod (2) and the connecting rod (3) are welded, and the connecting rod (3) and the pin sample holder (1) are welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321469978.3U CN220051382U (en) | 2023-06-09 | 2023-06-09 | A hand-held fixture for polishing of a plurality of round pin samples |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321469978.3U CN220051382U (en) | 2023-06-09 | 2023-06-09 | A hand-held fixture for polishing of a plurality of round pin samples |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220051382U true CN220051382U (en) | 2023-11-21 |
Family
ID=88788046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321469978.3U Active CN220051382U (en) | 2023-06-09 | 2023-06-09 | A hand-held fixture for polishing of a plurality of round pin samples |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220051382U (en) |
-
2023
- 2023-06-09 CN CN202321469978.3U patent/CN220051382U/en active Active
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