CN221110749U - Self-centering screw - Google Patents
Self-centering screw Download PDFInfo
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- CN221110749U CN221110749U CN202322223924.5U CN202322223924U CN221110749U CN 221110749 U CN221110749 U CN 221110749U CN 202322223924 U CN202322223924 U CN 202322223924U CN 221110749 U CN221110749 U CN 221110749U
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- centering screw
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- centering
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- 230000001360 synchronised effect Effects 0.000 abstract description 6
- 210000000080 chela (arthropods) Anatomy 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000017105 transposition Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model provides a self-centering screw rod, which comprises a self-centering screw rod, a clamping clamp table and a base, wherein a left clamp sliding table plate and a right clamp sliding table plate of the clamping clamp table are slidably arranged on two sides of the upper end of the base; the double-end that adopts from the centering screw rod is equipped with positive and negative screw, makes left pincers slip table and right pincers slip table screw cooperation screw thread from centering synchronous slip clamp relatively, and the T shape slide rail of base and the T shape spout cooperation slip clamp of base, and zero point locator is connected to the base, and zero point locator is accelerated to tear open and is exchanged anchor clamps, and the correction is convenient, improves work efficiency simultaneously.
Description
Technical Field
The utility model relates to the technical field of automatic clamps, in particular to a self-centering screw rod.
Background
With the continuous progress of modern automatic mechanical processing, the efficiency, speed and precision of processing parts are directly affected by the clamp on the processing center. At present, the automatic clamp is mostly a conventional vice, needs to be frequently disassembled, is inconvenient to disassemble and clamp, and is time-consuming and labor-consuming. Particularly, on some machining center equipment, the part clamps cannot be replaced according to the needs, so that the machining efficiency of the equipment is reduced, the manual operation difficulty is increased, the labor cost is increased, and the production cannot be quantized. The cost of the special fixture is increased, the automation degree and the productivity work efficiency are low, and the following defects exist:
1. The common vice has no self-centering screw rod, can not realize the consistency of the initial angle of the screw thread, has poor repeated positioning precision and poor rigidity;
2. The zero point positioner is not installed, and quick mutual transposition and repeated positioning and clamping cannot be realized.
At present, a self-centering screw is also arranged, and because the mounting structure is unstable, zero point positioning is not available, the working efficiency is low, the correction clamp is troublesome, the operation is complex, and the machining efficiency and the precision of a machining center cannot be met.
Disclosure of utility model
The utility model provides a self-centering screw rod, which is characterized in that forward and reverse screws are arranged on the double ends of the self-centering screw rod, so that screw holes of a left clamp sliding table plate and a right clamp sliding table plate are matched with screw threads to be clamped in a self-centering synchronous sliding manner, a base is connected with a zero point positioner, the zero point positioner can quickly detach and interchange a clamp, the correction is convenient, and the working efficiency is improved.
In order to solve the problems, the utility model provides a self-centering screw, which comprises a self-centering screw, a clamping bench and a base, wherein a left clamp sliding table plate and a right clamp sliding table plate of the clamping bench are slidably arranged on two sides of the upper end of the base, a saddle is fixed on the top of the base, the saddle is fixed in the middle of the self-centering screw, forward threads and reverse threads are arranged at two ends of the self-centering screw, the forward threads and the reverse threads of the self-centering screw are respectively correspondingly meshed with screw holes of the left clamp sliding table plate and the right clamp sliding table plate, and the left clamp sliding table plate and the right clamp sliding table plate correspondingly synchronously and self-centering slide.
The left clamp sliding table plate and the right clamp sliding table plate are fixedly arranged on the T-shaped sliding grooves.
The T-shaped chute is used for installing and fixing the left clamp sliding table plate and the right clamp sliding table plate, and the left clamp sliding table plate and the right clamp sliding table plate slide, so that synchronous relative clamping is realized.
The left clamp sliding table plate and the right clamp sliding table plate are respectively provided with a T-shaped sliding rail, and the T-shaped sliding rails are matched with the T-shaped sliding grooves in a sliding fit manner.
The left clamp sliding table plate and the right clamp sliding table plate are respectively provided with a T-shaped sliding rail, the T-shaped sliding rail is matched with the T-shaped sliding groove in a sliding fit manner, the left clamp sliding table plate and the right clamp sliding table plate cannot shake, and sliding positioning is firm.
The saddle is waist-shaped and is fixed in waist-shaped grooves at two ends of the base.
The saddle is waist-shaped, is fixed in the waist-shaped grooves at the two ends of the base, is firmly positioned and fixed in the waist-shaped grooves, and cannot shake around in clamping.
According to the further scheme, a fixing groove is formed in the middle of the self-centering screw, two ends of the fixing groove are fixed in the positioning holes of the saddle, and the self-centering screw is convenient to position and slide after penetrating through the positioning holes of the saddle.
The self-centering screw is characterized in that one end of the self-centering screw is further provided with an inner hexagonal hole and an outer hexagonal, and an inner hexagonal metal plate hand, a hexagonal metal plate hand and a vice can be used for fixed rotation and rotation, so that a left clamp sliding table plate and a right clamp sliding table plate are clamped through threaded rotation.
The further scheme is that the other end of the self-centering screw is also provided with an inner hexagonal hole and an outer cylinder, and the outer cylinder penetrates through the positioning hole of the saddle to be installed and fixed.
The forward thread and the reverse thread of the self-centering screw are the same in pitch, the initial angles are the same, and the lengths are the same.
The further scheme is that the bottom of saddle is equipped with the reference column, fixes being arranged in the middle fixed orifices of base, and the middle location is accurate like this, and is fixed firm.
According to the further scheme, the base is assembled with a positioning screw of the zero point positioner through a double-head screw rod, so that zero point positioning is realized.
The base is assembled through the set screw of double-end screw rod and zero point locator, but zero point locator is quick change anchor clamps among the prior art, realizes zero point location quick change anchor clamps, and automatic efficiency is high.
The beneficial effects of the utility model are as follows: the double heads of the self-centering screw rods are provided with forward and reverse screws, so that screw holes of the left clamp sliding table plate and the right clamp sliding table plate are matched with threads to be correspondingly self-centered and synchronously clamped in a sliding manner, the T-shaped sliding rail of the base is matched with the T-shaped sliding groove of the base to be clamped in a sliding manner, the base is connected with the zero point positioner, the zero point positioner can quickly detach and interchange the clamp, the correction is convenient, and meanwhile, the working efficiency is improved;
1. The self-centering screw rod enables the screw holes of the left clamp sliding table plate and the right clamp sliding table plate to be matched with the screw threads to be synchronously clamped in a sliding manner relative to the self-centering screw rod;
2. The installation and fixation structure is firm, and the operation is simpler;
3. The zero point positioner is installed, so that quick mutual transposition and repeated positioning and clamping are realized;
The self-centering screw rod is synchronously and slidably clamped, the clamping is synchronous, firm and stable, and meanwhile, the zero point positioner and the quick-dismantling interchangeable clamp of the base improve the productivity, the working efficiency and the automation degree of the machining center.
Drawings
FIG. 1 is a schematic diagram of an exploded structure of an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of a self-centering screw according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of an assembly structure according to an embodiment of the utility model.
Reference numerals
1. A right clamp sliding table plate; 2. a left clamp sliding table plate; 3. a saddle; 4. positioning holes; 5. a T-shaped slide rail; 6. a kidney-shaped groove; 7. a self-centering screw; 8. t-shaped sliding grooves; 9. a base; 10. a double-ended screw; 11. a set screw; 12. a zero point positioner; 13. a fixing groove; 14. an outer hexagon; 15. an inner hexagonal hole; 16. an outer cylinder.
Detailed Description
For a more complete understanding of the technical aspects of the present utility model, reference should be made to the following descriptions and illustrations of the technical aspects of the utility model, but not limited thereto, in conjunction with the accompanying drawings and the specific embodiments.
As shown in fig. 1 to 3, in the specific embodiment of the present utility model, a self-centering screw comprises a self-centering screw 7, a clamping bench and a base 9, wherein a left clamp sliding table plate 2 and a right clamp sliding table plate 1 of the clamping bench are slidably mounted on two sides of the upper end of the base 9, a saddle 3 is fixed on the top of the base 9, the saddle 3 is fixed in the middle of the self-centering screw 7, forward threads and reverse threads are arranged on two ends of the self-centering screw 7, the forward threads and the reverse threads of the self-centering screw 7 are respectively engaged with screw holes of the left clamp sliding table plate 2 and the right clamp sliding table plate 1 correspondingly, and the left clamp sliding table plate 2 and the right clamp sliding table plate 1 correspondingly and synchronously slide in a self-centering manner.
Further, T-shaped sliding grooves 8,T are formed in two sides of the base 9, and the left clamp sliding table plate 2 and the right clamp sliding table plate 1 are installed and fixed.
The T-shaped chute 8 is used for installing and fixing the left clamp sliding table plate 2 and the right clamp sliding table plate 1, and the left clamp sliding table plate 2 and the right clamp sliding table plate 1 slide, so that synchronous relative clamping is realized.
Further, the left clamp sliding table plate 2 and the right clamp sliding table plate 1 are respectively provided with a T-shaped sliding rail 5, and the T-shaped sliding rail 5 is matched and matched with the T-shaped sliding groove 8 in a sliding manner.
The left clamp sliding table plate 2 and the right clamp sliding table plate 1 are respectively provided with a T-shaped sliding rail 5, the T-shaped sliding rail 5 is matched with the T-shaped sliding groove 8 in a sliding fit manner, the left clamp sliding table plate 2 and the right clamp sliding table plate 1 cannot shake, and sliding positioning is firm.
Further, the saddle 3 is waist-shaped and is fixed in the waist-shaped grooves 6 at the two ends of the base 9.
The saddle 3 is waist-shaped and is fixed in waist-shaped grooves 6 at two ends of the base 9, and the waist-shaped grooves 6 of the saddle 3 are firmly positioned and fixed and cannot shake around in clamping.
Further, a fixing groove 13 is formed in the middle of the self-centering screw 7, and two ends of the fixing groove 13 are fixed in the positioning holes 4 of the saddle 3 and penetrate through the positioning holes for installation, so that the self-centering screw 7 can slide in a positioning manner.
Further, an inner hexagonal hole 15 and an outer hexagonal hole 14 are further formed in one end of the self-centering screw 7, and an inner hexagonal plate hand, a hexagonal plate hand and a vice can be used for fixed rotation, so that the left clamp sliding table plate 2 and the right clamp sliding table plate 1 are clamped through threaded rotation.
Further, the other end of the self-centering screw 7 is also provided with an inner hexagonal hole 15 and an outer cylinder 16, and the outer cylinder 16 passes through the positioning hole 4 of the saddle 3 to be installed and fixed.
Further, the forward thread and the reverse thread of the self-centering screw 7 have the same pitch, the same initial angle and the same length.
Further, the bottom of the saddle 3 is provided with a positioning column which is fixedly arranged in a middle fixing hole of the base 9, so that the middle positioning is accurate and the fixing is firm.
Further, the base 9 is assembled with a positioning screw 11 of a zero point positioner 12 through a double-headed screw 10 to realize zero point positioning.
The base 9 is assembled with the positioning screw 11 of the zero point positioner 12 through the double-headed screw 10, the zero point positioner 12 is a quick-change clamp in the prior art, the zero point positioning quick-change clamp is realized, and the automatic efficiency is high.
Further, the material of the self-centering screw 7 of the present application may be a stainless steel material S136.
The self-centering screw 7 is made of stainless steel material S136, has high precision and wear resistance, and ensures the service life and the machining precision of parts.
The beneficial effects of the utility model are as follows: the double heads of the self-centering screw rods 7 are provided with forward and reverse screws, so that screw holes of the left clamp sliding table plate 2 and the right clamp sliding table plate 1 are matched with screw threads to be correspondingly self-centered and synchronously clamped in a sliding manner, the T-shaped sliding rail 5 of the base 9 is matched with the T-shaped sliding groove 8 of the base 9 to be clamped in a sliding manner, the base 9 is connected with the zero point positioner 12, the zero point positioner 12 is used for accelerating the disassembly and replacement of the clamp, the correction is convenient, and meanwhile, the working efficiency is improved;
1. The self-centering screw rod 7 enables screw holes of the left clamp sliding table plate 2 and the right clamp sliding table plate 1 to be matched with screw threads to be synchronously and slidingly clamped relative to the self-centering screw rod;
2. The installation and fixation structure is firm, and the operation is simpler;
3. the zero point positioner 12 is installed to realize quick mutual transposition and repeated positioning and clamping;
The self-centering screw 7 is synchronously and slidably clamped, the clamping is synchronous and firm and stable, and meanwhile, the zero point positioner 12 and the quick-dismantling interchangeable clamp of the base 9 improve the productivity, the working efficiency and the automation degree of the machining center.
The foregoing description is only the preferred embodiments of the present patent, and is not intended to limit the scope of the present patent, and all equivalent structures or equivalent processes using the descriptions and the contents of the drawings are directly or indirectly applied to other related technical fields, which belong to the scope of the present patent.
Claims (8)
1. The self-centering screw is characterized by comprising a self-centering screw, a clamping clamp table and a base, wherein the two sides of the upper end of the base are slidably provided with a left clamp sliding table plate and a right clamp sliding table plate of the clamping clamp table, the top of the base is fixedly provided with a saddle, the saddle is fixed in the middle of the self-centering screw, the two ends of the self-centering screw are provided with forward threads and reverse threads, the forward threads and the reverse threads of the self-centering screw are identical in pitch, the starting angles are identical, the lengths are identical, the forward threads and the reverse threads of the self-centering screw are respectively correspondingly meshed with screw holes of the left clamp sliding table plate and the right clamp sliding table plate, the left clamp sliding table plate and the right clamp sliding table plate correspondingly synchronously self-centering and slide, and the base is assembled with a positioning screw of a zero point positioner through a double-head screw to realize zero point positioning.
2. The self-centering screw of claim 1, wherein the base is provided with T-shaped runners on both sides, the T-shaped runners mounting and securing the left and right jaw slide plates.
3. The self-centering screw as claimed in claim 2, wherein the left and right jaw slide tables are each provided with a T-shaped slide rail, the T-shaped slide rail being in sliding fit with the T-shaped slide groove.
4. The self-centering screw as claimed in claim 1, wherein said saddle is kidney-shaped and is secured in kidney-shaped grooves at both ends of said base.
5. The self-centering screw as claimed in claim 1, wherein a fixing groove is provided in the middle of the self-centering screw, and both ends of the fixing groove are fixed in the positioning hole of the saddle.
6. The self-centering screw as claimed in claim 1, wherein the self-centering screw is further provided with an internal hexagonal hole and an external hexagonal hole at one end thereof, and the internal hexagonal hand, the hexagonal hand and the vice are used for fixed rotation.
7. The self-centering screw as claimed in claim 1, wherein the other end of the self-centering screw is further provided with an inner hexagonal hole and an outer cylinder, the outer cylinder being fixedly installed through the positioning hole of the saddle.
8. The self-centering screw as claimed in claim 1, wherein a positioning post is provided at the bottom of the saddle and fixedly positioned in a middle fixing hole of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322223924.5U CN221110749U (en) | 2023-08-18 | 2023-08-18 | Self-centering screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322223924.5U CN221110749U (en) | 2023-08-18 | 2023-08-18 | Self-centering screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221110749U true CN221110749U (en) | 2024-06-11 |
Family
ID=91343207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322223924.5U Active CN221110749U (en) | 2023-08-18 | 2023-08-18 | Self-centering screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221110749U (en) |
-
2023
- 2023-08-18 CN CN202322223924.5U patent/CN221110749U/en active Active
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