CN112719331A - Numerical control machine tool shaft part clamp - Google Patents
Numerical control machine tool shaft part clamp Download PDFInfo
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- CN112719331A CN112719331A CN202110051284.7A CN202110051284A CN112719331A CN 112719331 A CN112719331 A CN 112719331A CN 202110051284 A CN202110051284 A CN 202110051284A CN 112719331 A CN112719331 A CN 112719331A
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- chuck
- clamping
- adjusting
- plate
- sliding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
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- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention belongs to the technical field of machine tool clamps, and particularly relates to a numerical control machine tool shaft part clamp which comprises a chuck, a jaw mechanism, first adjusting rods and a wire coil.
Description
Technical Field
The invention belongs to the technical field of machine tool clamps, and particularly relates to a numerical control machine tool shaft part clamp.
Background
The processing of shaft parts in the existing machine tool generally needs one-time clamping and then completes the processing, if the shaft parts need to be clamped for multiple times, the coaxiality of clamping of the front end and the rear end of the part needs to be judged through the experience of tools and workers during subsequent clamping, and then the processing precision is ensured; during clamping, if repeated clamping correction is carried out, due to the change of the clamping position after re-clamping and the abrasion of the clamping position of the front end and the rear end of the part caused by the previous clamping, the coaxiality of the processing surfaces at the two ends of the part can be influenced, particularly for the part with a certain length, and during re-clamping, the adjusting process is troublesome and difficult to adjust.
The invention designs a numerical control machine tool shaft part clamp to solve the problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention discloses a numerical control machine tool shaft part clamp which is realized by adopting the following technical scheme.
The utility model provides a digit control machine tool axle class part anchor clamps, it includes chuck, jack catch mechanism, first regulation pole, dish silk, wherein the dish silk rotation mounting has tooth on the regulation pole in the chuck, three first regulation pole circumference even rotation mounting on the chuck, and tooth on the three first regulation pole and dish silk have the one end meshing of tooth, jack catch mechanism installs on the chuck.
The clamping jaw mechanism comprises a transmission block, a connecting compression bar, a sliding plate, a swing rod and a clamping block, wherein the transmission block is provided with a plurality of arc strips distributed along the length direction, the four transmission blocks are circumferentially and uniformly installed in the chuck in a sliding manner towards the radial direction of the chuck, and the transmission blocks are meshed with one end of the wire coil, which is provided with a spiral groove, through the arc strips on the transmission blocks; two ends of the four transmission blocks are respectively and symmetrically provided with two connecting pressure rods, one end of each connecting pressure plate, which is far away from the transmission block, is respectively and fixedly provided with a sliding plate, the four clamping blocks are circumferentially and uniformly arranged in the chuck in a sliding manner towards the radial direction of the chuck, and the four clamping blocks are close to the center of the chuck relative to the four transmission blocks; two sides of the four clamping blocks are respectively hinged with a swing rod, one end of each swing rod, which is far away from the corresponding clamping block, is respectively hinged with a pressing plate, and the two pressing plates corresponding to each clamping block are respectively in one-to-one arc-shaped sliding fit with the two sliding plates, which are arranged on the two transmission blocks on the two sides of the clamping block and are positioned on the same side with the clamping block, one by one.
And an adjusting mechanism is arranged between four press plates arranged on two sides of two non-adjacent clamping blocks in the four clamping blocks.
The adjusting mechanism comprises a swing shaft, a second adjusting rod, a worm wheel and a connecting plate, wherein the connecting plate is composed of two arched plate-shaped structures, two swing shafts are symmetrically and fixedly installed at two ends of the connecting plate, the connecting plate is rotatably installed in the chuck through the two swing shafts, and the axes of the two swing shafts are perpendicular to the axis of the chuck; the connecting plate is fixedly connected with the four corresponding pressing plates; the connecting plate is provided with two symmetrically distributed guide clamping grooves which are matched with the two corresponding clamping blocks; one of the two oscillating shafts is fixedly provided with a worm wheel, the second adjusting rod is a worm, the second adjusting rod is rotatably arranged on the chuck, and the second adjusting rod is meshed with the worm wheel.
The axes of the four swinging shafts in the two groups of adjusting mechanisms are coplanar.
As a further improvement of the technology, the chuck is internally provided with a mounting ring groove for mounting the clamping jaw mechanism and the adjusting mechanism, and the circular surface of the mounting ring groove is circumferentially and uniformly provided with four sliding grooves for slidably mounting four clamping blocks.
As a further improvement of the technology, three first mounting round holes for rotatably mounting three first adjusting rods are uniformly formed in the circumferential direction on the outer circumferential surface of the chuck; the end surface of the chuck is provided with a second mounting hole for rotatably mounting two second adjusting rods of the two adjusting mechanisms.
As a further improvement of the technology, four groups of guide plates which play a role in guiding the four transmission blocks are arranged in the circumferential direction in the mounting ring groove formed in the chuck.
As a further improvement of the technology, the pressing plate is provided with an arc-shaped sliding groove, the sliding plate is fixedly provided with an arc-shaped sliding block, and the sliding plate is arranged on the corresponding pressing plate through the sliding fit of the arc-shaped sliding block and the arc-shaped sliding groove.
Compared with the traditional machine tool clamp technology, the invention has the following beneficial effects:
1. according to the clamp designed by the invention, when in adjustment, the four clamping blocks can slightly clamp a workpiece by driving one of the three first adjusting rods, but under the clamping force, the main shaft can drive the workpiece to rotate through the clamp, but the clamping force is not the clamping force during turning, under the clamping force, a worker can observe the installation condition of the workpiece and whether the workpiece jumps or not, and then the adjusting mechanism is controlled to adjust the two clamping blocks on the corresponding side according to the jumping condition, so that the four clamping blocks can adjust the installation state of the workpiece upwards or downwards or leftwards and rightwards through swinging, and the final machining precision of the workpiece is ensured.
2. In the process of secondary or more clamping, the clamp designed by the invention can eliminate the jumping through adjustment even if the rotation jumping occurs after the clamping, is convenient to install, ensures higher installation precision, and has higher practicability.
3. When the clamp designed by the invention is used for adjusting jumping, the clamp swings integrally around the swinging shaft, and the adjusting effect is relatively good.
Drawings
Fig. 1 is an external view of an entire part.
Fig. 2 is a schematic view of the overall component distribution.
Figure 3 is a schematic view of the jaw mechanism installation.
Fig. 4 is a schematic view of a chuck configuration.
Fig. 5 is a schematic view of the internal structure of the chuck.
Fig. 6 is a schematic view of the connection plate mounting.
Fig. 7 is a schematic view of the adjustment mechanism.
Figure 8 is a schematic view of the jaw mechanism arrangement.
Fig. 9 is a schematic view of the jaw mechanism.
Fig. 10 is a schematic of the platen and slide plate drive.
Number designation in the figures: 1. a chuck; 2. a jaw mechanism; 3. an adjustment mechanism; 4. a first adjusting lever; 5. a connecting plate; 6. a first mounting circular hole; 7. a second mounting circular hole; 8. a chute; 9. mounting a ring groove; 10. coiling the filaments; 11. a swing shaft; 12. pressing a plate; 13. a second adjusting lever; 14. a worm gear; 15. a guide clamping groove; 16. a guide plate; 17. a transmission block; 18. connecting a pressure lever; 19. a sliding plate; 20. an arc-shaped chute; 21. a swing rod; 22. a clamping block; 23. an arc-shaped sliding block.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, the chuck type wire winding device comprises a chuck 1, a jaw mechanism 2, a first adjusting rod 4 and a wire winding 10, wherein the 3 and 5 wire winding 10 is rotatably installed in the chuck 1, teeth are arranged on the adjusting rod, the three first adjusting rods 4 are circumferentially and uniformly rotatably installed on the chuck 1, the teeth on the three first adjusting rods 4 are meshed with one end, provided with the teeth, of the wire winding 10, and the jaw mechanism 2 is installed on the chuck 1. The wire coiling 10 and the first adjusting rod 4 designed by the invention have the same structure and function as the wire coiling 10 and the adjusting rod used on the existing three-jaw chuck 1, and the wire coiling 10 and the first adjusting rod 4 are the prior art. Any one of the three first adjusting rods 4 is rotated to drive the wire coiling 10 to rotate.
As shown in fig. 6 and 8, the jaw mechanism 2 includes a transmission block 17, a connecting pressure rod 18, a sliding plate 19, a swing rod 21, and a clamping block 22, wherein as shown in fig. 2 and 8, the transmission block 17 has a plurality of arc strips distributed along the length direction, four transmission blocks 17 are circumferentially and uniformly slidably mounted in the chuck 1 in the radial direction of the chuck 1, and the transmission block 17 is engaged with one end of the wire rod 10 having a spiral groove through the arc strips thereon; as shown in fig. 9, two connecting pressure rods 18 are respectively and symmetrically installed at two ends of four transmission blocks 17, as shown in fig. 10, a sliding plate 19 is respectively and fixedly installed at one end of each connecting pressure plate 12 away from the transmission block 17, as shown in fig. 8 and 9, four clamping blocks 22 are circumferentially and uniformly installed in the chuck 1 in a sliding manner in the radial direction of the chuck 1, and the four clamping blocks 22 are close to the center of the chuck 1 relative to the four transmission blocks 17; two sides of the four clamping blocks 22 are respectively hinged with a swing rod 21, one end of each swing rod 21, which is far away from the corresponding clamping block 22, is respectively hinged with a pressing plate 12, as shown in fig. 10, two pressing plates 12 corresponding to each clamping block 22 are respectively in arc-shaped sliding fit with two sliding plates 19, which are arranged on two transmission blocks 17 on two sides of the clamping block 22 and are positioned on the same side as the clamping block 22.
The transmission block 17 and the wire coiling 10 are matched by the prior art, such as the matching between the jaws of the wire coiling 10 on the three-jaw chuck 1; the wire 10 drives an arc strip on the driving block 17 through a spiral groove during rotation, so that the driving block 17 slides in a radial direction of the chuck 1.
In the invention, when the transmission block 17 slides towards the radial direction of the chuck 1, the transmission block 17 can extrude the two connecting pressure rods 18 at two sides, the two connecting pressure rods 18 slide to drive the sliding plate 19 to slide in the same direction corresponding to the transmission block 17, the sliding plate 19 slides to drive the corresponding pressure plate 12 to enable the pressure plate 12 to slide in the same direction as the transmission block 17 extruding the pressure plate, the sliding plate 19 slides to drive the corresponding swing rod 21 to swing, the swing rod 21 swings to extrude the clamping block 22 connected with the swing rod to slide towards the radial direction of the chuck 1, and the sliding direction of the transmission block 17 is vertical to the sliding direction of the clamping block 22 driven by the transmission block 17.
The clamping block 22 has an inner arc surface, which is not shown in the drawing, and facilitates clamping of the shaft parts.
According to the invention, the same clamping block 22 is simultaneously extruded and controlled through the two symmetrically distributed transmission blocks 17, so that the stability of the clamping block 22 can be ensured and the clamping force can be improved.
As shown in fig. 5 and 6, the adjusting mechanism 3 is mounted between the four pressing plates 12 mounted on both sides of two non-adjacent clamping blocks 22 among the four clamping blocks 22.
As shown in fig. 6 and 7, the adjusting mechanism 3 includes a swing shaft 11, a second adjusting lever 13, a worm wheel 14, and a connecting plate 5, wherein as shown in fig. 7, the connecting plate 5 is formed by two plate-shaped structures in a bow shape, and two swing shafts 11 are symmetrically and fixedly installed at two ends of the connecting plate 5, as shown in fig. 6, the connecting plate 5 is rotatably installed in the chuck 1 through the two swing shafts 11, and the axes of the two swing shafts 11 are perpendicular to the axis of the chuck 1; the connecting plate 5 is fixedly connected with the four corresponding pressing plates 12; as shown in fig. 7, the connecting plate 5 has two symmetrically distributed guide slots 15, as shown in fig. 6, the guide slots 15 are matched with the two corresponding clamping blocks 22; as shown in fig. 7, a worm wheel 14 is fixedly mounted on one of the two swing shafts 11, the second adjustment lever 13 is a worm, the second adjustment lever 13 is rotatably mounted on the chuck 1, and the second adjustment lever 13 is engaged with the worm wheel 14.
The four swinging shafts 11 in the two groups of adjusting mechanisms 3 are coplanar in axis.
The invention designs that the worm wheel 14 and the worm are matched to play a self-locking role after adjustment.
As shown in fig. 4, the chuck 1 is provided with an installation ring groove 9 for installing the jaw mechanism 2 and the adjusting mechanism 3, and four sliding grooves 8 for slidably installing four clamping blocks 22 are uniformly arranged on the circumferential direction of the circular surface of the installation ring groove 9.
As shown in fig. 4, three first mounting circular holes 6 for rotatably mounting three first adjusting rods 4 are uniformly formed on the outer circumferential surface of the chuck 1 in the circumferential direction; the end surface of the chuck 1 is provided with second mounting holes for rotatably mounting two second adjusting rods 13 of the two adjusting mechanisms 3.
As shown in fig. 5, four sets of guide plates 16 for guiding the four driving blocks 17 are circumferentially installed in the mounting ring groove 9 formed in the chuck 1.
As shown in fig. 10, the pressing plate 12 is provided with an arc-shaped sliding slot 20, the sliding plate 19 is fixedly provided with an arc-shaped sliding block 23, and the sliding plate 19 is mounted on the corresponding pressing plate 12 through the sliding fit of the arc-shaped sliding block 23 and the arc-shaped sliding slot 20.
The specific working process is as follows: when the clamp designed by the invention is used, during clamping, firstly, the wire coil 10 is rotated by driving one first adjusting rod 4 of the three first adjusting rods 4, the wire coil 10 rotates to drive the three transmission blocks 17 to slide towards the radial direction of the chuck 1, when the transmission blocks 17 slide towards the radial direction of the chuck 1, the transmission blocks 17 press the two connection pressure rods 18 at two sides, the two connection pressure rods 18 slide to drive the sliding plate 19 to slide in the same direction as the corresponding transmission blocks 17, the sliding plate 19 slides to drive the corresponding pressure plate 12 to slide in the same direction as the transmission blocks 17 pressing the pressure plate 12, the sliding plate 19 slides to drive the corresponding swing rod 21 to swing, the swing rod 21 swings to press the clamping blocks 22 connected with the swing rod to slide towards the radial direction of the chuck 1, so that the four clamping blocks 22 slightly clamp a workpiece, but under the clamping force, the main shaft can drive the workpiece to rotate through the clamp, however, the clamping force is not the clamping force during turning, under the clamping force, a worker can observe the installation condition of the workpiece and whether the workpiece jumps or not, and then control the adjusting mechanism 3 to swing and adjust the two corresponding clamping blocks 22 according to the jumping condition, so that the clamping blocks 22 can adjust the installation state of the workpiece upwards or downwards or leftwards and rightwards through swinging, and the final machining precision of the workpiece is ensured.
During adjustment, the second adjusting rod 13 is driven to rotate, the second adjusting rod 13 rotates to drive the worm wheel 14 to rotate, the worm wheel 14 rotates to drive the swinging shaft 11 to swing, the swinging shaft 11 drives the connecting plate 5 to swing, the connecting plate 5 swings to drive the two corresponding clamping blocks 22, the four pressing plates 12 swing together, and arc-shaped sliding fit is formed between the pressing plates 12 and the sliding plate 19 in the swinging process, the design can ensure that the clamping blocks 22 can also keep clamping force on a workpiece in the swinging process, and the clamping blocks 22 cannot move and interfere with the corresponding transmission blocks 17 due to swinging. In the two adjusting mechanisms 3, the two swinging plates drive the clamping block 22 to swing up and down and left and right on the basis of the workpiece, the clamping block 22 swings to drive the workpiece to swing up and down and left and right, the workpiece is adjusted, and the precision of the workpiece in the processing process is ensured.
After the adjustment is finished, the workpiece is finally clamped by driving one first adjusting rod 4 of the three first adjusting rods 4, so that the stability of the workpiece in the machining process is ensured; the workpiece can slightly deform in the adjusting process, and the adjustment of the adjusting mechanism 3 can be smoothly carried out just because the workpiece deforms; in addition, the adjustment of the adjusting mechanism 3 is performed as small-amplitude adjustment and is not performed as large-amplitude adjustment, so that the deformation of the workpiece and the initial clamping force do not act together to allow the adjustment of the adjusting mechanism 3.
Claims (5)
1. The utility model provides a digit control machine tool axle type part anchor clamps which characterized in that: the wire coiling mechanism comprises a chuck, a jaw mechanism, first adjusting rods and a wire coiling, wherein the wire coiling is rotatably arranged in the chuck, the adjusting rods are provided with teeth, the three first adjusting rods are circumferentially and uniformly rotatably arranged on the chuck, the teeth on the three first adjusting rods are meshed with one end, provided with the teeth, of the wire coiling, and the jaw mechanism is arranged on the chuck;
the clamping jaw mechanism comprises a transmission block, a connecting compression bar, a sliding plate, a swing rod and a clamping block, wherein the transmission block is provided with a plurality of arc strips distributed along the length direction, the four transmission blocks are circumferentially and uniformly installed in the chuck in a sliding manner towards the radial direction of the chuck, and the transmission blocks are meshed with one end of the wire coil, which is provided with a spiral groove, through the arc strips on the transmission blocks; two ends of the four transmission blocks are respectively and symmetrically provided with two connecting pressure rods, one end of each connecting pressure plate, which is far away from the transmission block, is respectively and fixedly provided with a sliding plate, the four clamping blocks are circumferentially and uniformly arranged in the chuck in a sliding manner towards the radial direction of the chuck, and the four clamping blocks are close to the center of the chuck relative to the four transmission blocks; two sides of the four clamping blocks are respectively hinged with a swing rod, one end of each swing rod, which is far away from the corresponding clamping block, is respectively hinged with a pressing plate, and the two pressing plates corresponding to each clamping block are respectively in one-to-one arc-shaped sliding fit with two sliding plates, which are arranged on the two transmission blocks at the two sides of the clamping block and are positioned at the same side with the clamping block, in a one-to-one correspondence manner;
an adjusting mechanism is arranged between four press plates arranged on two sides of two non-adjacent clamping blocks in the four clamping blocks;
the adjusting mechanism comprises a swing shaft, a second adjusting rod, a worm wheel and a connecting plate, wherein the connecting plate is composed of two arched plate-shaped structures, two swing shafts are symmetrically and fixedly installed at two ends of the connecting plate, the connecting plate is rotatably installed in the chuck through the two swing shafts, and the axes of the two swing shafts are perpendicular to the axis of the chuck; the connecting plate is fixedly connected with the four corresponding pressing plates; the connecting plate is provided with two symmetrically distributed guide clamping grooves which are matched with the two corresponding clamping blocks; a worm wheel is fixedly mounted on one of the two swinging shafts, the second adjusting rod is a worm, the second adjusting rod is rotatably mounted on the chuck, and the second adjusting rod is meshed with the worm wheel;
the axes of the four swinging shafts in the two groups of adjusting mechanisms are coplanar.
2. The numerical control machine tool shaft part clamp as claimed in claim 1, characterized in that: the chuck is internally provided with an installation ring groove for installing the clamping jaw mechanism and the adjusting mechanism, and the circular surface of the installation ring groove is circumferentially and uniformly provided with four sliding grooves for slidably installing four clamping blocks.
3. The numerical control machine tool shaft part clamp as claimed in claim 1, characterized in that: three first mounting round holes for rotatably mounting three first adjusting rods are uniformly formed in the circumferential direction on the outer circular surface of the chuck; the end surface of the chuck is provided with a second mounting hole for rotatably mounting two second adjusting rods of the two adjusting mechanisms.
4. The numerical control machine tool shaft part clamp as claimed in claim 1, characterized in that: four groups of guide plates which play a role in guiding the four transmission blocks are arranged in the circumferential direction in the mounting ring groove formed in the chuck.
5. The numerical control machine tool shaft part clamp as claimed in claim 1, characterized in that: the pressing plate is provided with an arc-shaped sliding groove, the sliding plate is fixedly provided with an arc-shaped sliding block, and the sliding plate is arranged on the corresponding pressing plate through the sliding fit of the arc-shaped sliding block and the arc-shaped sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110051284.7A CN112719331A (en) | 2021-01-14 | 2021-01-14 | Numerical control machine tool shaft part clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110051284.7A CN112719331A (en) | 2021-01-14 | 2021-01-14 | Numerical control machine tool shaft part clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112719331A true CN112719331A (en) | 2021-04-30 |
Family
ID=75593190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110051284.7A Pending CN112719331A (en) | 2021-01-14 | 2021-01-14 | Numerical control machine tool shaft part clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112719331A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952361A (en) * | 2022-06-10 | 2022-08-30 | 曹军其 | Machine tool equipment |
| CN115070478A (en) * | 2022-06-10 | 2022-09-20 | 曹军其 | Lathe clamping mechanism |
-
2021
- 2021-01-14 CN CN202110051284.7A patent/CN112719331A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952361A (en) * | 2022-06-10 | 2022-08-30 | 曹军其 | Machine tool equipment |
| CN115070478A (en) * | 2022-06-10 | 2022-09-20 | 曹军其 | Lathe clamping mechanism |
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