阅读说明：本技术 一种自行车轮毂的气动装夹盘 (Pneumatic clamping plate of bicycle hub ) 是由 谭阳春 于 2020-05-09 设计创作，主要内容包括：本发明公开了一种自行车轮毂的气动装夹盘,包括：主轴,主轴一端的轴向中心设有气路通道,主轴一端设有旋转接头；安装座套设在主轴上,夹盘套设在主轴,夹盘上设有旋转气缸,旋转气缸的输出端设有顶杆夹头。本发明的有益效果：主轴一端的轴向中心设有气路通道,旋转接头一端插入气路通道内并连接气泵,夹盘的轴向中心套设在主轴上与主轴固定连接,夹盘上设有若干个环绕夹盘中心设置的旋转气缸,旋转气缸上的进气口连接有夹盘内部与气路通道相连的进气通道,通过气动的方式驱动旋转气缸带动顶杆夹头将自行车轮毂在夹盘上进行紧固装夹,使得对轮毂的夹紧力一致,实现对轮毂的快速装夹,有助于提高产品质量和加工效率,便于生产加工。(The invention discloses a pneumatic chuck plate of a bicycle hub, which comprises: the axial center of one end of the main shaft is provided with an air channel, and one end of the main shaft is provided with a rotary joint; the mounting seat is sleeved on the main shaft, the chuck plate is provided with a rotary cylinder, and the output end of the rotary cylinder is provided with an ejector rod chuck. The invention has the beneficial effects that: the axial direction of main shaft one end is equipped with the gas circuit passageway, rotary joint one end is inserted in the gas circuit passageway and is connected the air pump, the axial direction cover of (holding) chuck establish on the main shaft with main shaft fixed connection, be equipped with the revolving cylinder that a plurality of encircleed the setting at (holding) chuck center on the (holding) chuck, the air inlet on the revolving cylinder is connected with the inside inlet channel who links to each other with the gas circuit passageway of (holding) chuck, drive revolving cylinder through pneumatic mode and drive the ejector pin chuck and fasten the clamping with bicycle wheel hub on the (holding) chuck, make the clamp force to wheel hub unanimous, realize the quick clamping to.)

1. A pneumatic clamping chuck for a bicycle hub, comprising:

the axial center of one end of the main shaft is provided with an air channel, one end of the main shaft is provided with a rotary joint, and one end of the rotary joint is inserted into the air channel;

the axial center of the mounting seat is sleeved on the main shaft and is fixedly connected with the main shaft, and one end of the mounting seat is connected with a chuck plate;

the axial center cover of (holding) chuck is established on the main shaft with main shaft fixed connection, be equipped with a plurality of on the (holding) chuck and encircle the revolving cylinder that the (holding) chuck center set up, revolving cylinder's output is equipped with the ejector pin chuck, be equipped with the air inlet on the revolving cylinder, be equipped with on the air inlet pass the (holding) chuck inside with the inlet channel that the gas circuit passageway links to each other.

2. The pneumatic clamping chuck for a bicycle hub according to claim 1, wherein the chuck has a hollow interior, and the chuck has a mounting recess formed at an axial center of one end thereof.

3. The pneumatic chuck for mounting a bicycle hub according to claim 2, wherein the chuck includes a plurality of at least three cylinder mounting holes formed therein.

4. The pneumatic clamping chuck for a bicycle hub according to claim 3, wherein the clamping chuck has a plurality of air tube connecting holes, at least three air tube connecting holes being defined therein.

5. The pneumatic chuck for mounting a bicycle hub according to claim 1, wherein the rotary cylinder is provided with an exhaust port inside the chuck, the chuck is provided with a plurality of exhaust holes on an outer circumferential side thereof, and an exhaust passage is connected between the exhaust port and the exhaust holes.

6. The pneumatic clamping disc for a bicycle hub according to claim 5, wherein there are at least three exhaust ports.

7. The pneumatic chuck of a bicycle hub according to claim 1, wherein a spindle gear is provided on the spindle on a side thereof adjacent to the rotary joint.

8. The pneumatic chuck of a bicycle hub according to claim 1, wherein the rotary joint has an air pump connected to one end thereof through an air tube.

9. The pneumatic clamping chuck for a bicycle hub according to claim 1, wherein the ejector pin collet has a spacer at one end.

Technical Field

The invention relates to the technical field of clamps, in particular to a pneumatic clamping disc of a bicycle hub.

Background

In the production and processing of the bicycle hub, the hub shaft hole is turned by a horizontal lathe, and the periphery of the hub is positioned and turned by the hub shaft hole to finish rough machining on the hub.

The conventional turning hub periphery clamping and positioning method is characterized in that a shaft hole of a hub blank is sleeved on a main shaft at the center of a lathe clamping disc, pressing blocks are pressed on the hub blank in a manual screw screwing mode to complete clamping, and the hub is clamped and fixed in a manual screw screwing mode, so that the clamping force of each pressing block on the hub is inconsistent, the hub is easily deformed, the product quality is influenced, time and labor are wasted in the manual hub clamping mode, and the processing efficiency is low.

Disclosure of Invention

In view of the above problems, an object of the present invention is to provide a pneumatic clamping plate for a bicycle hub, which can clamp the hub quickly, and is helpful to improve the machining efficiency and ensure the product quality.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a pneumatic clamping plate for a bicycle hub, comprising: the axial center of one end of the main shaft is provided with an air channel, one end of the main shaft is provided with a rotary joint, and one end of the rotary joint is inserted into the air channel; the axial center of the mounting seat is sleeved on the main shaft and is fixedly connected with the main shaft, and one end of the mounting seat is connected with a chuck plate; the axial center cover of (holding) chuck is established on the main shaft with main shaft fixed connection, be equipped with a plurality of on the (holding) chuck and encircle the revolving cylinder that the (holding) chuck center set up, revolving cylinder's output is equipped with the ejector pin chuck, be equipped with the air inlet on the revolving cylinder, be equipped with on the air inlet pass the (holding) chuck inside with the inlet channel that the gas circuit passageway links to each other.

Furthermore, the interior of the chuck is of a hollow structure, and an installation groove is formed in the axial center of one end of the chuck.

Furthermore, a plurality of cylinder mounting holes are formed in the chuck in an encircling mode, and at least three cylinder mounting holes are formed in the chuck.

Furthermore, a plurality of air pipe connecting holes are arranged on the chuck in an encircling manner, and at least three air pipe connecting holes are arranged on the chuck.

Furthermore, an exhaust port is formed in the chuck and located on the rotary cylinder, a plurality of exhaust holes are formed in the outer peripheral side of the chuck, and an exhaust channel is connected between the exhaust port and the exhaust holes.

Further, the exhaust port is provided with at least three.

Furthermore, a main shaft gear is arranged on one side, close to the rotary joint, of the main shaft.

Furthermore, one end of the rotary joint is connected with an air pump through an air pipe.

Furthermore, one end of the ejector rod chuck is provided with a cushion block.

The invention has the beneficial effects that: the axial direction of main shaft one end is equipped with the gas circuit passageway, rotary joint one end is inserted in the gas circuit passageway and is connected the air pump, the axial direction cover of (holding) chuck establish on the main shaft with main shaft fixed connection, be equipped with the revolving cylinder that a plurality of encircleed the setting at (holding) chuck center on the (holding) chuck, the air inlet on the revolving cylinder is connected with the inside inlet channel who links to each other with the gas circuit passageway of (holding) chuck, drive revolving cylinder through pneumatic mode and drive the ejector pin chuck and fasten the clamping with bicycle wheel hub on the (holding) chuck, make the clamp force to wheel hub unanimous, realize the quick clamping to.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of a chuck according to the present invention.

In the figure, 10-main axis; 11-gas path channel; 12-a rotary joint; 13-a main shaft gear; 20-a mounting seat; 30-a chuck; 301-mounting a groove; 302-cylinder mounting holes; 303-gas tube connection hole; 31-a rotary cylinder; 32-ejector pin chuck; 321-cushion blocks; 33-gas inlet; 34-an intake passage; 35-an exhaust port; 36-an exhaust channel; 37-air vent.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and 2, a pneumatic chuck for a bicycle hub includes a spindle 10, a mounting seat 20, and a chuck. The spindle 10 is a rotating shaft of a lathe, an air channel 11 is arranged at the axial center of one end of the spindle 10, a rotary joint 12 is arranged at one end of the spindle 10, one end of the rotary joint 12 is inserted into the air channel 11, and one end of the rotary joint 12 is connected with an air pump (not shown) through an air pipe. In addition, a spindle gear 13 is provided on the spindle 10 on a side close to the rotary joint 12, and the spindle gear 13 is engaged with a driving motor of the lathe through a gear to rotate the spindle 10.

The axial center cover of mount pad 20 is established on main shaft 10 with main shaft 10 fixed connection, and 20 one end of mount pad is connected with the (holding) chuck, and the axial center cover of (holding) chuck is established on main shaft 10 with main shaft 10 fixed connection, is equipped with a plurality of on the (holding) chuck and encircles the revolving cylinder 31 that the (holding) chuck center set up, and the output of revolving cylinder 31 is equipped with ejector pin chuck 32, and ejector pin chuck 32 one end is equipped with cushion 321, can carry out effectual protection to the wheel hub when pneumatic centre gripping, avoids crushing wheel hub.

The rotary cylinder 31 is provided with an air inlet 33, and the air inlet 33 is provided with an air inlet channel 34 which passes through the interior of the chuck and is connected with the air channel 11. Get into high-pressure gas from rotary joint 12 through air pump (not seen), loop through inside gas circuit passageway 11 and inlet channel 34 get into revolving cylinder 31, drive ejector pin chuck 32 compresses tightly the clamping to the wheel hub on the chuck, make each ejector pin chuck 32 unanimous to wheel hub's clamp force, the inconsistent product deformation that appears in clamp force when avoiding appearing because of manual clamping, the phenomenon that influences the product quality takes place, realize the quick clamping to wheel hub, help improving product quality and machining efficiency, the production and processing of being convenient for.

In this embodiment, the inside hollow structure that is of (holding) chuck is convenient for reform transform the processing to (holding) chuck to and be convenient for to revolving cylinder 31's installation and to the reasonable setting of inlet channel 34, the axial direction of (holding) chuck one end is equipped with mounting groove 301, and this mounting groove 301 is used for establishing the axle sleeve card of wheel hub in mounting groove 301 internal fixation when the wheel hub clamping, and revolving cylinder 31 of being convenient for drives ejector pin chuck 32 and carries out the clamping to the wheel hub.

In this embodiment, the chuck is surrounded and is equipped with a plurality of cylinder mounting hole 302, and cylinder mounting hole 302 is equipped with threely at least, because some wheel hubs and spoke are integrated into one piece structure, is equipped with a plurality of cylinder mounting holes 302 for the convenience of avoiding the spoke position, helps revolving cylinder 31 to drive ejector pin chuck 32 and effectively clamps the wheel hub.

In this embodiment, a plurality of air pipe connection holes 303 are circumferentially formed on the chuck, at least three air pipe connection holes 303 are formed on the chuck, and since a plurality of air cylinder installation holes 302 are formed, the installation position is adjusted in order to cooperate with the rotary air cylinder 31, and correspondingly, the air pipe connection holes 303 are also formed at positions corresponding to the air cylinder installation holes 302.

In this embodiment, the rotary cylinder 31 is provided with an exhaust port 35 inside the chuck, a plurality of exhaust holes 37 are formed on the outer periphery of the chuck, and an exhaust channel 36 is connected between the exhaust port 35 and the exhaust holes 37, so that the rotary cylinder 31 can operate normally. Correspondingly, the exhaust ports 35 are provided corresponding to the number of the rotary cylinders 31, and at least three exhaust ports 35 are provided.

The invention has the beneficial effects that: the axial direction of main shaft is equipped with the gas circuit passageway, rotary joint one end is inserted in the gas circuit passageway and is connected the air pump, the axial direction cover of (holding) chuck establish on the main shaft with main shaft fixed connection, be equipped with the revolving cylinder that a plurality of encircleed the (holding) chuck center setting on the (holding) chuck, the air inlet on the revolving cylinder is connected with the inside inlet channel who links to each other with the gas circuit passageway of (holding) chuck, it fastens the clamping with the bicycle wheel hub on the (holding) chuck to drive ejector pin chuck through pneumatic mode, make the clamp force to wheel hub unanimous, realize the quick clamping to wheel hub, help.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.