CN220007430U - Vice transmission structure - Google Patents
Vice transmission structure Download PDFInfo
- Publication number
- CN220007430U CN220007430U CN202321545571.4U CN202321545571U CN220007430U CN 220007430 U CN220007430 U CN 220007430U CN 202321545571 U CN202321545571 U CN 202321545571U CN 220007430 U CN220007430 U CN 220007430U
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- head end
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- base
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 45
- 239000004519 grease Substances 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model provides a vice transmission structure, which mainly reduces the rotation friction of a transmission screw of a vice to achieve better operability, and comprises: a base, a jaw fixed block is provided with a head end step receiving hole, and a head end bearing and a head end side cover are arranged in the head end step receiving hole; a jaw movable block having a transmission screw hole; the support block is fixedly arranged at the tail end side of the base and is provided with a tail end receiving hole; and a driving screw rod, which is provided with an external thread part which is in threaded connection with the driving screw hole of the jaw movable block, and two ends of the driving screw rod are erected in the bearing arranged in the head end step bearing hole and the tail end bearing hole.
Description
Technical Field
The utility model relates to the field of accessory accessories of machine tools, in particular to a vice structure and the technical category of a transmission screw thereof.
Background
The vice is a common accessory of a milling machine and other processing machines, and the common vice has various types, whether a standard vice, a force-multiplying vice or an oil pressure vice is used for driving a jaw movable block to approach a jaw fixed block by a transmission screw, so that the purpose of clamping a workpiece and facilitating the size processing of the workpiece is achieved.
Most of the vice is provided with the jaw fixing block at the head end side far away from an operator, and the operator needs to move the jaw movable block to the jaw fixing block by operating a handle sleeved with the transmission screw rod, so that the aim of clamping a workpiece is fulfilled.
The vice drive screw disclosed in the prior U.S. Pat. No. 5,957513 requires a large number of components for fixing because of its complex assembly, which makes the processing and assembly complicated and requires a large amount of time and labor cost.
Therefore, when the operator performs the production and processing of the vice, the assembling elements are numerous and complex, so as to affect the working and assembling efficiency and the assembling precision of the vice.
Disclosure of Invention
Accordingly, in view of the above problems with the conventional vice transmission structure, it is a primary object of the present utility model to provide a vice transmission structure with low rotational friction and excellent operability.
It is a further object of the present utility model to provide a vise drive structure that is easy to assemble and maintain.
To achieve the above object, the present utility model provides a vice transmission structure, comprising: the base is provided with a containing space, the head end side of the containing space is provided with a jaw fixing block and a head end step bearing hole, and the head end step bearing hole is internally provided with a head end bearing and a head end side cover; the jaw movable block is embedded in the accommodating space of the base and axially penetrates through a transmission screw hole; the support block is fixedly arranged at the tail end side of the accommodating space arranged on the base, and is provided with a tail end bearing hole; and a driving screw rod, which is provided with an external thread part which is in threaded connection with the driving screw hole of the jaw movable block, and two ends of the driving screw rod are erected in a bearing arranged in the head end step bearing hole and the tail end bearing hole.
The vice transmission structure, wherein the base further comprises a base and two sliding rails; and the base is provided with the two sliding rails, and the accommodating space is arranged between the two sliding rails.
The vice transmission structure is characterized in that a shoulder part of a largest outer hole arranged in the head end step bearing hole is provided with a plurality of fixing screw holes, the head end side cover is provided with a plurality of through holes corresponding to the plurality of fixing screw holes, and a plurality of screws penetrate through the plurality of through holes arranged in the head end side cover and are locked in the plurality of fixing screw holes.
The vice transmission structure is characterized in that the head end bearing is provided with a thrust bearing.
The jaw vice transmission structure is characterized in that a caulking groove is arranged in the lower part of the jaw movable block, the caulking groove is provided with a driving block, and the driving block is provided with the transmission screw hole.
The vice transmission structure is characterized in that at least one hemisphere and one half ball socket are arranged between the caulking groove and the driving block.
The tail end of the driving screw rod is provided with a tail end receiving hole with a hexagonal part protruding from the supporting block.
The utility model can achieve the following effects by the technical means:
1. the transmission structure of the utility model is characterized in that a bearing or a thrust bearing is additionally arranged between the jaw fixed block and the transmission screw so that the rotation friction force generated when the transmission screw rotates is smaller, the handle can be operated in a labor-saving way, the jaw movable block is actuated to approach the jaw fixed block to clamp a workpiece without effort, and even if the vice is used for producing and clamping a large number of workpieces, an operator cannot be excessively tired, thereby improving the working efficiency.
2. According to the transmission structure, the bearing or the thrust bearing for reducing the friction force of the transmission screw is arranged in the head end step bearing hole of the jaw fixing block and is covered, so that lubricating grease can be easily supplemented into the head end step bearing hole, and if the bearing or the thrust bearing is worn and damaged after being used for a period of time, the bearing or the thrust bearing can be easily disassembled and replaced.
3. The transmission structure has the advantages of less assembly elements and easy assembly, and is favorable for improving the overall assembly efficiency and assembly precision of the vice.
Drawings
Fig. 1 is a perspective view of a vise driving structure of the present utility model.
Fig. 2 is another perspective view of the vise driving structure of the present utility model.
Fig. 3 is a perspective exploded view of the vise transmission structure of the present utility model.
Fig. 4 is a sectional view of a combination of the vise drive structure of the present utility model.
Fig. 5 is an enlarged view of a portion of the vise transmission of the present utility model.
Reference numerals illustrate: a-vice transmission structure; 1-a base; 11-accommodating space; 12-jaw fixing blocks; 121-clamping edges; 13-a head end stepped receiving hole; 131-maximum outer aperture; 132-shoulder; 133-fixing screw holes; 14-head end bearing; 15-a head end side cover; 150-perforating; 151-through holes; 152-screw; 16-a base; 17-slide rails; 171-notch; 2-jaw movable block; 21-caulking groove; 22-a drive block; 23-a transmission screw hole; 24-hemispheres; 25-semi-ball socket; 26-clamping edges; 3-supporting a block; 31-a tail end receiving hole; 4-driving screw rods; 40-flange; 41-an external thread portion; 42-hexagonal part; 5-handle.
Detailed Description
The present utility model provides a vice transmission structure, as shown in fig. 1 and 2, mainly for reducing friction of a transmission screw 41 of a vice to achieve better operability, thereby improving work efficiency of clamping a workpiece by the vice 1, wherein the vice transmission screw structure a comprises: the components of a base 1, a jaw movable block 2, a support block 3 and a drive screw 4 will now be described with reference to the accompanying drawings.
As shown in fig. 3 and 4, the base 1 is provided with a receiving space 11, a jaw fixing block 12 and a head end step receiving hole 13 are provided at the head end side of the receiving space 11, a head end bearing 14 and a head end side cover 15 are provided in the head end step receiving hole 13, so as to receive one end of the driving screw 4, and the head end bearing 14 is placed in the head end step receiving hole 13 and coated with some lubricating grease to lock the head end side cover 15.
Further, the base 1 further comprises a base 16 and two sliding rails 17; the base 16 is provided with two sliding rails 17, the accommodating space 11 is arranged between the two sliding rails 17, and the two sliding rails 17 can receive the jaw movable block 2 and enable the jaw movable block 2 to be positioned thereon for axial sliding; the two sliding rails 17 have a notch 171 at the tail end of the accommodating space 11.
Further, as shown in fig. 3 and 5, the shoulder 132 of the largest outer hole 131 of the head-end step receiving hole 13 is provided with a plurality of fixing screw holes 133, the head-end side cover 15 is provided with a plurality of through holes 151 corresponding to the plurality of fixing screw holes 133, and a through hole 150 is provided at one end of the head-end side cover 15 corresponding to the driving screw 4; after the head end bearing 14 is mounted in the head end step receiving hole 13 and coated with some lubricating grease, a plurality of screws 152 penetrate through a plurality of through holes 51 formed in the head end side cover 15 and are locked in a plurality of fixing screw holes 133 formed in the shoulder 132, so that the head end bearing 14 is fixed in the head end step receiving hole 13.
The jaw movable block 2 is embedded in the accommodating space 11 of the base 1, and a transmission screw hole 13 is axially penetrated by the jaw movable block 2; a caulking groove 21 is arranged in the lower part of the jaw movable block 2, the caulking groove 21 is provided with a driving block 22, and the driving block 22 is provided with the transmission screw hole 23; as shown in fig. 4, at least one hemisphere 24 and one half socket 25 are provided between the caulking groove 21 and the driving block 22; the hemispherical body 24 and the hemispherical nest 25 can be automatically calibrated and maintained to enable the parallelism between the clamping edge 121 and the clamping edge 26 of the jaw formed by the jaw fixed block 12 and the jaw movable block 2 during the assembly of the vice.
The supporting block 3 is provided with a tail end receiving hole 31 and a notch 171 connected to the tail ends of the two sliding rails 17 of the base 1, and the other end of the driving screw 4 is received by the tail end receiving hole 31.
As shown in fig. 3 to 5, the driving screw 4 is provided with an external thread portion 41 screwed into the driving screw hole 13 of the jaw movable block 2, two ends thereof are erected in the head end step receiving hole 13 and the tail end receiving hole 31, one end of the driving screw 4 is provided with a flange 40, the other end of the driving screw 4 is provided with a hexagonal portion 42 protruding from the tail end receiving hole 31 of the supporting block 3 and located at the tail end side of the accommodating space 11, the head end bearing 14 is preferably provided with a thrust bearing, and after the driving screw 4 is penetrated, the flange 40 abuts against the head end bearing 14, and then the head end side cover 15 abuts against the flange 40, so that the head end bearing 14 is fixed in the head end step receiving hole 13, the driving screw 4 is wholly fixed without displacement or preventing the driving screw 4 from falling, so that after the hexagonal portion 42 of the driving screw 4 is sleeved in a handle 5, an operator can operate and rotate more labor-saving, and the jaw movable block 2 is driven to displace axially on the two slide rails 17.
Therefore, as shown in fig. 5, the jaw fixing block 12 of the base 1 and the supporting block 3 are mainly provided with the head end bearing 14 relative to the head end of the driving screw 4, and the head end bearing 14 can be provided with a thrust bearing, so that when the driving screw 4 rotates, the generated rotating friction force is smaller, the handle 5 sleeved on the hexagonal portion 42 of the driving screw 4 can be operated in a labor-saving manner, the driving screw 4 actuates the jaw movable block 2 to close to the jaw fixing block 12 for clamping workpieces without effort, and an operator cannot be excessively tired even if the vice of the utility model is used for producing and clamping a large number of workpieces, thereby improving the working efficiency.
In addition, the head end bearing 14 used in the vice structure of the utility model for reducing the friction force of the drive screw 4 is arranged in the head end step receiving hole 13 of the jaw fixed block 12 and is added with the head end side cover 15, so that lubricating grease can be easily supplemented in the head end step receiving hole 13 and is not easy to leak out, and if the head end bearing 14 is worn and damaged after being used for a period of time, the head end bearing 14 can be easily disassembled and replaced, and is easy to maintain; in addition, the number of the assembly elements is small, the assembly is easy, and the assembly efficiency and the assembly precision are improved.
It should be noted that the foregoing describes embodiments and technical principles of the present utility model, and the functional effects thereof are not beyond the spirit of the present utility model covered by the specification and drawings if the functional effects are changed according to the concepts of the present utility model.
Claims (7)
1. A vice transmission structure, which is characterized by comprising:
the base is provided with a containing space, a jaw fixing block and a head end step bearing hole are arranged at the head end side of the containing space, and a head end bearing and a head end side cover are arranged in the head end step bearing hole;
the jaw movable block is embedded in the accommodating space of the base, and a transmission screw hole axially penetrates through the jaw movable block;
the support block is fixedly arranged at the tail end side of the accommodating space arranged on the base, and is provided with a tail end bearing hole; and
The transmission screw is provided with an external thread part which is in threaded connection with the transmission screw hole of the jaw movable block, and the two ends of the transmission screw are erected in the bearing arranged in the head end step bearing hole and the tail end bearing hole.
2. The vise transmission structure of claim 1, wherein: the base also comprises a base and two sliding rails; the base is provided with the two sliding rails, and the accommodating space is arranged between the two sliding rails.
3. The vise transmission structure of claim 1, wherein: the shoulder of the largest outer hole of the head end step bearing hole is provided with a plurality of fixing screw holes, the head end side cover is provided with a plurality of through holes corresponding to the plurality of fixing screw holes, and a plurality of screws penetrate through the plurality of through holes of the head end side cover and then are locked in the plurality of fixing screw holes.
4. The vise transmission structure of claim 1, wherein: the head end bearing is a thrust bearing.
5. The vise transmission structure of claim 1, wherein: a caulking groove is arranged in the lower part of the jaw movable block, the caulking groove is provided with a driving block, and the driving block is provided with the transmission screw hole.
6. The vise transmission structure of claim 5, wherein: at least one hemisphere and one half ball socket are arranged between the caulking groove and the driving block.
7. The vise transmission structure of claim 1, wherein: the tail end of the driving screw is provided with a hexagonal part protruding from the tail end receiving hole of the supporting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321545571.4U CN220007430U (en) | 2023-06-16 | 2023-06-16 | Vice transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321545571.4U CN220007430U (en) | 2023-06-16 | 2023-06-16 | Vice transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220007430U true CN220007430U (en) | 2023-11-14 |
Family
ID=88694487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321545571.4U Active CN220007430U (en) | 2023-06-16 | 2023-06-16 | Vice transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220007430U (en) |
-
2023
- 2023-06-16 CN CN202321545571.4U patent/CN220007430U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |