CN203791919U - Fastening dividing rotary mechanism of central tube of five-star foot - Google Patents
Fastening dividing rotary mechanism of central tube of five-star foot Download PDFInfo
- Publication number
- CN203791919U CN203791919U CN201320805224.0U CN201320805224U CN203791919U CN 203791919 U CN203791919 U CN 203791919U CN 201320805224 U CN201320805224 U CN 201320805224U CN 203791919 U CN203791919 U CN 203791919U
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- CN
- China
- Prior art keywords
- interior
- expander roll
- dividing
- central tube
- left end
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- Withdrawn - After Issue
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Abstract
The utility model relates to a fastening dividing rotary mechanism of a central tube of a five-star foot. The fastening dividing rotary mechanism of the central tube of the five-star foot comprises a base, a motor with a brake, an inner expansion rod, an air cylinder, an inner expansion head, a dividing shaft, a conical expansion core and a dividing head. The motor and the air cylinder are both fixedly connected with the base, the middle of the dividing shaft is installed in a central installation hole of the dividing head in a penetrating mode, the right end of the dividing shaft is connected with the inner expansion head, a central through hole is formed in the axial direction of the dividing shaft, the inner expansion rod penetrates through the central through hole and the inner expansion head to be connected with the conical expansion core located on the right side of the inner expansion head, and the right end of the inner expansion head is provided with a pawl which moves in cooperation with the conical expansion core. The air cylinder is arranged on the outer side of the left end of the inner expansion rod, and the piston rod end of the air cylinder is in axial transmission connection with the left end of the inner expansion rod. The part, stretching out of the dividing head, of the left end of the dividing shaft is in transmission connection with the motor.
Description
Technical field
The utility model relates to a kind of automatic welding machine, particularly the fastening divided rotating mechanism of a kind of star base central tube.
Background technology
The metal star base processed of office chair, comprises five foot rests of a central tube and setting and body peripheral edge.Between five foot rests and central tube, be welded to connect.According to current technological means, each foot rest is located by positioning tool and main body successively, then by artificial welding.Its weak point is: efficiency is low, and cost of labor is higher, is not suitable for the problems such as star base production in enormous quantities.
Summary of the invention
The purpose of this utility model is exactly for fear of the weak point in background technology, provides a kind of star base central tube fastening divided rotating mechanism.
For achieving the above object, the utility model adopts following technical scheme: the fastening divided rotating mechanism of a kind of star base central tube, comprise pedestal, the motor of strap brake, interior expander roll, cylinder, interior swollen head, dividing spindle, taper expansion core and dividing head, described motor, cylinder is all affixed with pedestal, described dividing spindle middle part is run through in the center mounting hole that is installed on dividing head, dividing spindle right-hand member is connected with interior swollen head, described dividing spindle be axially arranged with central through hole, described interior expander roll is through central through hole, after interior swollen head, be connected with the taper expansion core that is positioned at swollen right side, described interior swollen right-hand member is provided with the claw with taper expansion core interoperation, interior expander roll left end outside is provided with cylinder, the tailpiece of the piston rod of cylinder and the left end shaft of interior expander roll are to being in transmission connection, dividing spindle left end stretches out the outer one end of dividing head and is connected with motor-driven.
For a kind of optimization of the present utility model, between interior expander roll left end and cylinder, be provided with interior expander roll axial stretching connector, interior expander roll axial stretching connector comprises frame and is connected in the interior expander roll circulator formation of frame right-hand member, described interior expander roll left end stretches out the outer one end of dividing spindle and is connected with interior expander roll circulator, and the tailpiece of the piston rod of described cylinder and the left end of described frame are affixed.
For a kind of optimization of the present utility model, described interior swollen left end is provided with the threaded joints being connected with dividing spindle.
For a kind of optimization of the present utility model, the interior edge of the conical surface of described taper expansion core and interior swollen right-hand member claw is connected.
For a kind of optimization of the present utility model, the outside of frame is provided with the twist preventing apparatus that prevents that frame from rotating.
For a kind of optimization of the present utility model, described twist preventing apparatus is the anti-rotation pin that is arranged at frame both sides, and described anti-rotation pin lower end and pedestal are affixed.
For a kind of optimization of the present utility model, interior expander roll circulator be can bidirectional stress bearing or bearing combination, described interior expander roll left end stretches out the outer one end of dividing spindle and is connected with frame by bearing or bearing combination.
For a kind of optimization of the present utility model, dividing spindle left end stretches out the outer one end of dividing head and is connected with belt wheel, and the clutch end of described motor is connected with belt wheel transmission by belt.
The utility model is compared with background technology, has compact conformation, reasonable, and easy to operate, operating efficiency is high, has reduced cost of labor; Inner expension cap penetrates in the central tube of star base, by cylinder and interior expander roll, taper expansion core is retracted and probeed in inner expension cap, thereby the claw of inner expension cap opens in also clamping and central tube, thereby then the driven by motor dividing spindle rotation by strap brake can be rotated center sleeve simultaneously, and control the anglec of rotation through the effect of dividing head and dividing spindle, thereby be conducive to follow-up foot rest welding sequence.
Accompanying drawing explanation
Fig. 1 is the structural representation of the fastening divided rotating mechanism of star base central tube.
Fig. 2 is the plan structure schematic diagram of the fastening divided rotating mechanism of star base central tube.
Fig. 3 is the scheme of installation of interior expander roll, interior swollen head, taper expansion core and nut.
The specific embodiment
Embodiment 1: with reference to Fig. 1～3.The fastening divided rotating mechanism of a kind of star base central tube, the motor 10, interior expander roll 6, cylinder 1, interior swollen 8, dividing spindle 7, taper expansion core 9 and the dividing head 5 that comprise pedestal 13, strap brake, the motor 10 of cylinder 1, strap brake and dividing head 5 are comparatively ripe technology in prior art, in present patent application, do not describe in detail.Described motor 10, cylinder 1 is all affixed with pedestal 13, described dividing spindle 7 middle parts are run through in the center mounting hole that is installed on dividing head 5, dividing spindle 7 right-hand members are connected with interior swollen 8, described dividing spindle 7 be axially arranged with central through hole, described interior expander roll 6 is through central through hole, after interior swollen 8, be connected with the taper expansion core 9 that is positioned at swollen 8 right sides, described interior swollen 8 right-hand members are provided with the claw 81 with taper expansion core 9 interoperations, interior expander roll 6 left end outsides are provided with cylinder 1, the tailpiece of the piston rod 11 of cylinder 1 and the left end shaft of interior expander roll 6 are to being in transmission connection, dividing spindle 7 left ends stretch out the outer one end of dividing head 5 and motor 10 is in transmission connection.Between interior expander roll 6 left ends and gas 1 cylinder, be provided with interior expander roll axial stretching connector 3, interior expander roll axial stretching connector 3 comprises frame 31 and is connected in interior expander roll circulator 32 formations of frame 31 right-hand members, described interior expander roll 6 left ends stretch out the outer one end of dividing spindle 7 and are connected with interior expander roll circulator 32, and the tailpiece of the piston rod 11 of described cylinder 1 is affixed with the left end of described frame 31.Described interior swollen 8 left ends are provided with the threaded joints 82 being connected with dividing spindle 7.The conical surface 91 of described taper expansion core 9 is connected with the interior edge of interior swollen right-hand member claw 81.The outside of frame 31 is provided with the twist preventing apparatus that prevents that frame 31 from rotating.Described twist preventing apparatus is the anti-rotation pin 2 that is arranged at frame both sides, and described anti-rotation pin 2 lower ends and pedestal 13 are affixed.Interior expander roll circulator 32 is for bearing bearing or bearing combination or the frame for movement of bidirectional axial force, as adopted double-direction thrust ball bearing or two mutually to counteractive single direction thrust ball bearing combination etc.; Described interior expander roll 6 left ends stretch out the outer one end of dividing spindle 7 and are connected with frame 31 by bearing or bearing combination.Dividing spindle 7 left ends stretch out the outer one end of dividing head 5 and are connected with belt wheel 4, and the clutch end of described motor 10 is in transmission connection by belt 12 and belt wheel 4.Interior expander roll 6 right-hand members are provided with threaded joints 61, and described taper expansion core 9 centers are provided with threaded mounting hole, thereby described interior expander roll 6 right-hand members are fastenedly connected taper expansion core 9 and interior expander roll 6 through being connected with nut 14 after threaded mounting hole.
Need to recognize: although the present embodiment is to the utility model detailed explanation of contrasting; but these explanations are just to simple declaration of the present utility model; rather than to restriction of the present utility model; any innovation and creation that do not exceed in the utility model patent connotation, all fall in protection domain of the present utility model.
Claims (9)
1. the fastening divided rotating mechanism of star base central tube, it is characterized in that comprising pedestal, the motor of strap brake, interior expander roll, cylinder, interior swollen head, dividing spindle, taper expansion core and dividing head, described motor, cylinder is all affixed with pedestal, described dividing spindle middle part is run through in the center mounting hole that is installed on dividing head, dividing spindle right-hand member is connected with interior swollen head, described dividing spindle be axially arranged with central through hole, described interior expander roll is through central through hole, after interior swollen head, be connected with the taper expansion core that is positioned at swollen right side, described interior swollen right-hand member is provided with the claw with taper expansion core interoperation, interior expander roll left end outside is provided with cylinder, the tailpiece of the piston rod of cylinder and the left end shaft of interior expander roll are to being in transmission connection, dividing spindle left end stretches out the outer one end of dividing head and is connected with motor-driven.
2. the fastening divided rotating mechanism of star base central tube according to claim 1, it is characterized in that: between interior expander roll left end and cylinder, be provided with interior expander roll axial stretching connector, interior expander roll axial stretching connector comprises frame and is connected in the interior expander roll circulator formation of frame right-hand member, described interior expander roll left end stretches out the outer one end of dividing spindle and is connected with interior expander roll circulator, and the tailpiece of the piston rod of described cylinder and the left end of described frame are affixed.
3. the fastening divided rotating mechanism of star base central tube according to claim 1, is characterized in that: described interior swollen left end is provided with the threaded joints being connected with dividing spindle.
4. the fastening divided rotating mechanism of star base central tube according to claim 1, is characterized in that: the interior edge of the conical surface of described taper expansion core and interior swollen right-hand member claw is connected.
5. the fastening divided rotating mechanism of star base central tube according to claim 2, is characterized in that: the outside of frame is provided with the twist preventing apparatus that prevents that frame from rotating.
6. the fastening divided rotating mechanism of star base central tube according to claim 5, is characterized in that: described twist preventing apparatus is the anti-rotation pin that is arranged at frame both sides, and described anti-rotation pin lower end and pedestal are affixed.
7. the fastening divided rotating mechanism of star base central tube according to claim 2, it is characterized in that: interior expander roll circulator is for bearing bearing or the bearing combination of bidirectional axial force, and described interior expander roll left end stretches out the outer one end of dividing spindle and is connected with frame by bearing or bearing combination.
8. the fastening divided rotating mechanism of star base central tube according to claim 1, is characterized in that: dividing spindle left end stretches out the outer one end of dividing head and is connected with belt wheel, and the clutch end of described motor is connected with belt wheel transmission by belt.
9. the fastening divided rotating mechanism of star base central tube according to claim 1, it is characterized in that: interior expander roll right-hand member is provided with threaded joints, described taper expansion core center is provided with threaded mounting hole, thereby described interior expander roll right-hand member is fastenedly connected taper expansion core and interior expander roll through being connected with nut after threaded mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805224.0U CN203791919U (en) | 2013-12-09 | 2013-12-09 | Fastening dividing rotary mechanism of central tube of five-star foot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805224.0U CN203791919U (en) | 2013-12-09 | 2013-12-09 | Fastening dividing rotary mechanism of central tube of five-star foot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203791919U true CN203791919U (en) | 2014-08-27 |
Family
ID=51374188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320805224.0U Withdrawn - After Issue CN203791919U (en) | 2013-12-09 | 2013-12-09 | Fastening dividing rotary mechanism of central tube of five-star foot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203791919U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289847A (en) * | 2014-10-17 | 2015-01-21 | 昆山韦德机械设备有限公司 | Internal-expanding type bodywork welding clamping fixture |
| CN104690477A (en) * | 2013-12-09 | 2015-06-10 | 杭州隆湖机电科技有限公司 | Fastening, indexing and rotating mechanism for central pipe |
| CN108971877A (en) * | 2018-08-21 | 2018-12-11 | 湖北峰佑高端装备制造有限公司 | A kind of multiposition thin-wall steel tube bonding machine |
-
2013
- 2013-12-09 CN CN201320805224.0U patent/CN203791919U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690477A (en) * | 2013-12-09 | 2015-06-10 | 杭州隆湖机电科技有限公司 | Fastening, indexing and rotating mechanism for central pipe |
| CN104289847A (en) * | 2014-10-17 | 2015-01-21 | 昆山韦德机械设备有限公司 | Internal-expanding type bodywork welding clamping fixture |
| CN108971877A (en) * | 2018-08-21 | 2018-12-11 | 湖北峰佑高端装备制造有限公司 | A kind of multiposition thin-wall steel tube bonding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140827 Effective date of abandoning: 20160511 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |