CN212635119U - Main shaft rotary clamping mechanism - Google Patents
Main shaft rotary clamping mechanism Download PDFInfo
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- CN212635119U CN212635119U CN202021105174.1U CN202021105174U CN212635119U CN 212635119 U CN212635119 U CN 212635119U CN 202021105174 U CN202021105174 U CN 202021105174U CN 212635119 U CN212635119 U CN 212635119U
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- main shaft
- fixed
- cylinder seat
- slide block
- seat
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Abstract
A main shaft rotary clamping mechanism comprises a main shaft box, a main shaft is installed in the main shaft box, the main shaft extends out of the upper end face and the lower end face of the main shaft box, a belt pulley is fixed at the lower end of the main shaft, a motor drives the belt pulley to rotate through a synchronous belt, a connecting disc is fixed at the upper end of the main shaft, and a hub clamp is fixed on the connecting disc; a T-shaped tenon is formed on the clamping slide block, a T-shaped groove is formed on the driving slide block, the T-shaped tenon is inserted in the T-shaped groove, the T-shaped tenon is an oblique tenon, and the T-shaped groove is an oblique groove; the pull rod penetrates through the main shaft, and the opening and closing of the hub clamp are directly controlled through the rotary cylinder, so that the equipment cost is saved, and meanwhile, the air inlet and outlet pipeline can be prevented from being wound due to the rotation of the main shaft.
Description
Technical Field
The utility model relates to a wheel hub production technical field, more specifically say and relate to an install wheel hub clamping mechanism on rotatory main shaft.
Background
At present, in the wheel hub machining process, the wheel hub clamp installed on a main shaft traditionally mainly drives the main shaft to rotate through a motor, a rotary joint is configured, and the opening and the closing of the wheel hub clamp are realized through a hydraulic mode. The hydraulic station and the rotary joint must be configured in the mode, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rotatory clamping mechanism of main shaft to being not enough of prior art, its pull rod passes from the main shaft, opens and is closed through rotary cylinder direct control wheel hub anchor clamps, has saved equipment cost, can prevent simultaneously that the business turn over gas pipeline from twining because the main shaft is rotatory.
The technical solution of the utility model is as follows:
the utility model provides a rotatory clamping mechanism of main shaft, installs main shaft 2 in headstock 1, and main shaft 2 stretches out the up end and the lower terminal surface of headstock 1, and the lower extreme of main shaft 2 is fixed with band pulley 3, and motor 4 drives band pulley 3 through hold-in range 5 and rotates its characterized in that: a connecting disc 6 is fixed at the upper end of the main shaft 2, and a hub clamp 7 is fixed on the connecting disc 6;
the structure of the hub clamp 7 is as follows: the fixture cylinder seat 71 is fixed with the connecting disc 6, a cylinder seat square hole 711 is formed in the fixture cylinder seat 71, the clamping slide block 72 is inserted and sleeved in the cylinder seat square hole 711, the driving slide block 73 is inserted and sleeved in the fixture cylinder seat 71, the driving slide block 73 is fixed with the upper end of the pull rod 77, the pull rod 77 penetrates through a center hole of the main shaft 2, and the lower end of the pull rod 77 is fixed with a piston rod of the rotary cylinder 8; the cover plate 74 is fixed at the upper end of the fixture cylinder seat 71, a square strip hole 741 is formed in the cover plate 74, the pressing wheel 75 is installed on the wheel seat 76, and the wheel seat 76 is inserted in the square strip hole 741 and fixed with the clamping slider 72; three pressing wheels 75 are provided, and the three pressing wheels 75 are distributed above the cover plate 74 in an annular array by taking the circle center of the clamp cylinder seat 71 as the center; a T-shaped tenon 721 is formed on the clamping slide block 72, a T-shaped groove 731 is formed on the driving slide block 73, the T-shaped tenon 721 is inserted in the T-shaped groove 731, the T-shaped tenon 721 is an oblique tenon, and the T-shaped groove 731 is an oblique groove;
a shaft seat 9 is fixed on the shell of the rotary cylinder 8, and the lower end of the main shaft 2 is arranged on the shaft seat 9.
Three cylinder seat square holes 711 are distributed on the fixture cylinder seat 71 in an annular array by taking the circle center of the fixture cylinder seat 71 as the center, and three T-shaped grooves 731 are distributed on the driving sliding block 73 in an annular array by taking the circle center of the driving sliding block 73 as the center.
The included angle between the T-shaped tenon 721 and the horizontal plane is 60 degrees, and the included angle between the T-shaped groove 731 and the horizontal plane is 60 degrees.
The fixture cylinder seat 71 and the connecting disc 6 are fixed together by screws.
The upper end of the pull rod 77 is fixed with the driving slider 73 through a screw, and the lower end of the pull rod 77 is fixed with the piston rod of the rotary cylinder 8 through a screw.
The beneficial effects of the utility model reside in that:
the pull rod penetrates through the main shaft, and the opening and closing of the hub clamp are directly controlled through the rotary cylinder, so that the equipment cost is saved, and meanwhile, the air inlet and outlet pipeline can be prevented from being wound due to the rotation of the main shaft.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view showing the connection between the pressing slider and the driving slider;
FIG. 4 is a cross-sectional view of a clamp cartridge;
fig. 5 is a schematic view of the main body of the present invention.
In the figure: 1. a main spindle box; 2. a main shaft; 3. a pulley; 4. a motor; 5. a synchronous belt; 6. a connecting disc; 7. a hub clamp; 8. a rotary cylinder; 9. a shaft seat.
Detailed Description
Example (b): see that fig. 1 to 5 show, a rotatory clamping mechanism of main shaft, install main shaft 2 in headstock 1, main shaft 2 stretches out the up end and the lower terminal surface of headstock 1, and the lower extreme of main shaft 2 is fixed with band pulley 3, and motor 4 drives band pulley 3 through hold-in range 5 and rotates its characterized in that: a connecting disc 6 is fixed at the upper end of the main shaft 2, and a hub clamp 7 is fixed on the connecting disc 6;
the structure of the hub clamp 7 is as follows: the fixture cylinder seat 71 is fixed with the connecting disc 6, a cylinder seat square hole 711 is formed in the fixture cylinder seat 71, the clamping slide block 72 is inserted and sleeved in the cylinder seat square hole 711, the driving slide block 73 is inserted and sleeved in the fixture cylinder seat 71, the driving slide block 73 is fixed with the upper end of the pull rod 77, the pull rod 77 penetrates through a center hole of the main shaft 2, and the lower end of the pull rod 77 is fixed with a piston rod of the rotary cylinder 8; the cover plate 74 is fixed at the upper end of the fixture cylinder seat 71, a square strip hole 741 is formed in the cover plate 74, the pressing wheel 75 is installed on the wheel seat 76, and the wheel seat 76 is inserted in the square strip hole 741 and fixed with the clamping slider 72; three pressing wheels 75 are provided, and the three pressing wheels 75 are distributed above the cover plate 74 in an annular array by taking the circle center of the clamp cylinder seat 71 as the center; a T-shaped tenon 721 is formed on the clamping slide block 72, a T-shaped groove 731 is formed on the driving slide block 73, the T-shaped tenon 721 is inserted in the T-shaped groove 731, the T-shaped tenon 721 is an oblique tenon, and the T-shaped groove 731 is an oblique groove;
a shaft seat 9 is fixed on the shell of the rotary cylinder 8, and the lower end of the main shaft 2 is arranged on the shaft seat 9.
Three cylinder seat square holes 711 are distributed on the fixture cylinder seat 71 in an annular array by taking the circle center of the fixture cylinder seat 71 as the center, and three T-shaped grooves 731 are distributed on the driving sliding block 73 in an annular array by taking the circle center of the driving sliding block 73 as the center.
The included angle between the T-shaped tenon 721 and the horizontal plane is 60 degrees, and the included angle between the T-shaped groove 731 and the horizontal plane is 60 degrees.
The fixture cylinder seat 71 and the connecting disc 6 are fixed together by screws.
The upper end of the pull rod 77 is fixed with the driving slider 73 through a screw, and the lower end of the pull rod 77 is fixed with the piston rod of the rotary cylinder 8 through a screw.
The working principle is as follows: the rotary cylinder 8 is commercially available, and its piston rod can rotate and at the same time, its piston rod can be extended and retracted.
When the piston rod of the rotary cylinder 8 is extended, the drive slider 73 moves upward, and the drive slider 73 drives the clamp slider 72 to move inward, so that the pressing wheel 75 also moves inward, and the hub workpiece is placed on the cover plate 74. When the piston rod of the rotary cylinder 8 retracts, the pull rod 77 moves downwards, so that the driving slide block 73 is driven to move downwards, the driving slide block 73 drives the clamping slide block 72 to move outwards, and thus the pressing wheel 73 is pressed on the inner diameter surface of the hub workpiece, so that the hub is fastened. Meanwhile, the hub workpiece is driven by the main shaft 2 to rotate, so that the hub workpiece is machined. When the hub workpiece rotates, the pull rod 77 also rotates, and the piston rod of the rotary cylinder 8 also rotates.
Claims (5)
1. The utility model provides a rotatory clamping mechanism of main shaft, installs main shaft (2) in headstock (1), and the up end and the lower terminal surface of headstock (1) are stretched out in main shaft (2), and the lower extreme of main shaft (2) is fixed with band pulley (3), and motor (4) drive band pulley (3) through hold-in range (5) and rotate its characterized in that: a connecting disc (6) is fixed at the upper end of the main shaft (2), and a hub clamp (7) is fixed on the connecting disc (6);
the structure of the hub clamp (7) is as follows: the clamp cylinder seat (71) is fixed with the connecting disc (6), a cylinder seat square hole (711) is formed in the clamp cylinder seat (71), the clamping slide block (72) is inserted and sleeved in the cylinder seat square hole (711), the driving slide block (73) is inserted and sleeved in the clamp cylinder seat (71), the driving slide block (73) is fixed with the upper end of a pull rod (77), the pull rod (77) penetrates through a central hole of the main shaft (2), and the lower end of the pull rod (77) is fixed with a piston rod of the rotary cylinder (8); the cover plate (74) is fixed at the upper end of the fixture cylinder seat (71), a square strip hole (741) is formed in the cover plate (74), the pressing wheel (75) is installed on the wheel seat (76), and the wheel seat (76) is inserted in the square strip hole (741) and fixed with the clamping slide block (72); the number of the pressing wheels (75) is three, and the three pressing wheels (75) are distributed above the cover plate (74) in an annular array by taking the circle center of the clamp cylinder seat (71) as the center; a T-shaped tenon (721) is formed on the clamping slide block (72), a T-shaped groove (731) is formed on the driving slide block (73), the T-shaped tenon (721) is inserted in the T-shaped groove (731), the T-shaped tenon (721) is an oblique tenon, and the T-shaped groove (731) is an oblique groove;
a shaft seat (9) is fixed on the shell of the rotary cylinder (8), and the lower end of the main shaft (2) is arranged on the shaft seat (9).
2. A spindle rotary clamping mechanism as claimed in claim 1, wherein: three cylinder seat square holes (711) are distributed on the fixture cylinder seat (71) in an annular array by taking the circle center of the fixture cylinder seat (71) as the center, and three T-shaped grooves (731) are distributed on the driving sliding block (73) in an annular array by taking the circle center of the driving sliding block (73) as the center.
3. A spindle rotary clamping mechanism as claimed in claim 1, wherein: the included angle between the T-shaped tenon (721) and the horizontal plane is 60 degrees, and the included angle between the T-shaped groove (731) and the horizontal plane is 60 degrees.
4. A spindle rotary clamping mechanism as claimed in claim 1, wherein: the clamp cylinder seat (71) and the connecting disc (6) are fixed together through screws.
5. A spindle rotary clamping mechanism as claimed in claim 1, wherein: the upper end of the pull rod (77) is fixed with the driving slide block (73) through a screw, and the lower end of the pull rod (77) is fixed with a piston rod of the rotary cylinder (8) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021105174.1U CN212635119U (en) | 2020-06-16 | 2020-06-16 | Main shaft rotary clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021105174.1U CN212635119U (en) | 2020-06-16 | 2020-06-16 | Main shaft rotary clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212635119U true CN212635119U (en) | 2021-03-02 |
Family
ID=74770906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021105174.1U Active CN212635119U (en) | 2020-06-16 | 2020-06-16 | Main shaft rotary clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212635119U (en) |
-
2020
- 2020-06-16 CN CN202021105174.1U patent/CN212635119U/en active Active
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