Spoke bending device

Abstract

The utility model discloses a spoke bending device which comprises a base plate, and a straightening wheel set is arranged at the front end of the base plate. The driving main shaft is mounted at the upper end of the base plate; the L-shaped upper pressing arm is fixedly arranged on the driving main shaft in a sleeving manner, a bending roller is mounted at the lower end of the L-shaped upper pressing arm, a sleeving handle seat is welded at a corner, and the sleeving handle seat is rotationally connected with a shaft sleeve; the reset rod penetrates through the shaft sleeve, a sleeve handle is fastened to the upper end of the reset rod through a nut, the sleeve handle is connected to a support through a shaft, and the support is installed on the base plate; the cam mechanism drives the driving main shaft to rotate; the cam mechanism drives the L-shaped upper pressing arm to be lifted upwards and drives the bending roller to bend the spokes passing through the straightening wheel set upwards. According to the spoke bending device, the L-shaped upper pressing arm is driven by the cam mechanism to be lifted upwards, a spoke passing through the straightening wheel set is bent, meanwhile, the reset rod ensures stable operation, and the spoke bending efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to spoke bending technical field, concretely relates to a spoke bending device. BACKGROUND

[0002] The spoke of bicycle plays the role of correcting the rim and increasing the strength, and the rotation of the rim can be ensured on the same plane by adjusting the tightness of the spoke, thereby ensuring the stability of the bicycle. The generation and processing of the spoke is a link of bicycle manufacturing, and the spoke is usually made of metal wire as raw material. The metal wire is supplied in the form of a coil, and the metal wire is bent after being unwound from the coil. Therefore, the metal wire needs to be straightened by a straightening machine first, and then subjected to process steps such as bending and cutting, and finally a spoke finished product is obtained.

[0003] In the production process of the bicycle spoke, the end of the spoke blank needs to be bent. The bending step is a link of the assembly line processing. At present, a cylinder is usually used to punch downward, and then reset. However, the space occupied by the cylinder punching is large, and the maintenance is troublesome, especially the speed is slow, which affects the production efficiency of the spoke.

[0004] Therefore, a spoke bending device which is fast, simple in structure and convenient to operate needs to be researched. CONTENT OF THE UTILITY MODEL

[0005] Therefore, the utility model wants to solve the technical problem to provide a spoke bending device, through the cam mechanism drives L type upper pressure arm to lift up, the spoke that bends through the straightening wheel group, reset rod guarantees the stability of operation, improves the spoke bending efficiency.

[0006] In order to solve the above technical problem, the utility model discloses a spoke bending device, it includes base plate, the front end of base plate is provided with straightening wheel group;

[0007] The driving main shaft is installed on the upper end of base plate;

[0008] The L type upper pressure arm is sleeved and fixed to the driving main shaft, the lower end of L type upper pressure arm is installed bending roller, and the corner is welded sleeve handle seat, and the sleeve handle seat is connected with the shaft sleeve;

[0009] The reset rod is penetrated in the shaft sleeve, and the upper end of reset rod is fastened with a sleeve handle through a nut, the sleeve handle is connected with the support, and the support is installed on the base plate;

[0010] And the cam mechanism drives the rotation of the driving main shaft;

[0011] Among them, the cam mechanism drives L type upper pressure arm to lift up, and drives the bending roller to bend the spoke that passes through the straightening wheel group upward.

[0012] According to the utility model one embodiment, wherein the lower end of the reset rod is provided with a safety bolt, and the safety bolt is lower than the shaft sleeve.

[0013] According to the utility model one embodiment, wherein the straightening wheel set is provided with two rows of upper and lower straightening wheels, and each straightening wheel is adjusted in height by a screw rod.

[0014] According to the utility model one embodiment, wherein the straightening wheels are staggered.

[0015] According to the utility model one embodiment, wherein the straightening wheel set and the bending roller are provided with grooves for the spoke wires to pass through.

[0016] Compared with the prior art, the utility model can obtain the following technical effects:

[0017] The L-shaped upper pressing arm is lifted upward by the cam mechanism, the spoke is bent through the straightening wheel set, and the reset rod ensures the stability of operation and improves the spoke bending efficiency.

[0018] Of course, any product implementing the utility model does not necessarily need to achieve all the technical effects described above. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings described herein are used to provide further understanding of the utility model and form a part of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations on the utility model. In the drawings:

[0020] Figure 1 is a spoke bending device perspective view of the utility model embodiment;

[0021] Figure 2 is a spoke bending device front view of the utility model embodiment.

[0022] DRAWINGS

[0023] Base plate 10, straightening wheel set 20, drive spindle 30, L-shaped upper pressing arm 40, bending roller 50, sleeve handle base 60, shaft sleeve 61, reset rod 70, sleeve handle 71, support 72. DETAILED DESCRIPTION

[0024] The embodiments of the utility model will be described in detail below with reference to the drawings and embodiments, so that the realization process of how to apply technical means to solve technical problems and achieve technical effects of the utility model can be fully understood and implemented.

[0025] Please refer to Figure 1 with Figure 2 , Figure 1 is a spoke bending device perspective view of the utility model embodiment;Figure 2 is a front view of the spoke bending device of the embodiment of the utility model.

[0026] As shown in the figure, a spoke bending device comprises a base plate 10, the front end of the base plate 10 is provided with a straightening wheel set 20; a driving main shaft 30 is installed on the upper end of the base plate 10; an L-shaped upper pressing arm 40 is sleeved and fixed on the driving main shaft 30, the lower end of the L-shaped upper pressing arm 40 is installed with a bending roller 50, a sleeve handle base 60 is welded at the corner of the L-shaped upper pressing arm 40, and the sleeve handle base 60 is connected with a shaft sleeve 61; a reset rod 70 is penetrated through the shaft sleeve 61, the upper end of the reset rod 70 is fastened with a sleeve handle 71 through a nut, the sleeve handle 71 is connected with a support 72 through a shaft, and the support 72 is installed on the base plate 10; and a cam mechanism is used to drive the driving main shaft 30 to rotate; wherein the cam mechanism drives the L-shaped upper pressing arm 40 to be lifted upward, and drives the bending roller 50 to bend the spoke passing through the straightening wheel set 20 upward.

[0027] In an embodiment of the utility model, the straightening wheel set 20 conveys the spoke and straightens it, the bending roller 50 is located at the front end and is installed by the L-shaped upper pressing arm 40, the other end of the L-shaped upper pressing arm 40 is installed on the driving main shaft 30 and swings through the driving thereof. In addition, the sleeve handle base 60 is welded at the corner of the middle section of the L-shaped upper pressing arm 40, is used to install the rotatable shaft sleeve 61, and the shaft sleeve 61 is used to guide the reset rod 70, the upper end of the reset rod 70 is locked with the rotatable sleeve handle 71 through a nut, so that the L-shaped upper pressing arm 40 can be limited by the reset rod 70 when swinging, the stability of the track is enhanced, and the rear end support of the L-shaped upper pressing arm 40 is strengthened.

[0028] The cam mechanism is used to drive the driving main shaft 30 to rotate, realizes that the L-shaped upper pressing arm 40 is lifted upward to bend the front end of the spoke, and the operation is stable. In other embodiments, a gear motor can also be used for driving.

[0029] In addition, the lower end of the reset rod 70 is provided with a safety bolt, the safety bolt is lower than the shaft sleeve 61 and is used for limiting protection.

[0030] Preferably, the straightening wheel set 20 is provided with two rows of upper and lower straightening wheels, and the height of each straightening wheel is adjusted through a screw rod, the spoke passing through the middle of the tightness adjustment is completed straightening.

[0031] Further, the straightening wheels are arranged in an upper and lower staggered mode, the vertex is relatively increased, and the straightening property is strengthened.

[0032] In addition, the straightening wheel set 20 and the bending roller 50 both have grooves through which the spoke wire rod passes, and the grooves play a limiting role.

[0033] In summary, the utility model drives the L-shaped upper pressing arm to be lifted upward through the cam mechanism, bends the spoke passing through the straightening wheel set, the reset rod guarantees the stability of operation, and the spoke bending efficiency is improved.

[0034] The above description shows and describes several preferred embodiments of the present application, but as previously indicated, it is to be understood that the present application is not limited to the forms described herein, should not be seen as excluding other embodiments, and can be used in various other combinations, modifications and environments, and can be modified within the scope of the application conceived herein, by the above teachings or related technical or knowledge. The modifications and changes made by those skilled in the art without departing from the spirit and scope of the present application shall be within the scope of protection of the appended claims of the present application.

Claims

1. A spoke bending device, characterized by, The utility model relates to a straightening device for the straightening of the spoke wire of the bicycle wheel, which comprises: a base plate provided with a straightening wheel set at the front end; a driving main shaft installed on the upper end of the base plate; an L-shaped upper pressing arm fixed on the driving main shaft, the lower end of which is provided with a bending roller, and a sleeve handle seat is welded at the corner, and the sleeve handle seat is connected with a shaft sleeve; a reset rod penetrating through the shaft sleeve, the upper end of which is fastened with a sleeve handle through a nut, and the sleeve handle is connected with a support, which is installed on the base plate; a cam mechanism for driving the rotation of the driving main shaft; wherein the cam mechanism drives the L-shaped upper pressing arm to lift up and drives the bending roller to bend up through the spokes of the straightening wheel set.

2. The spoke bending device of claim 1, wherein wherein the lower end of the reset rod is provided with a safety bolt, which is lower than the shaft sleeve.

3. The spoke bending device of claim 1, wherein wherein the straightening wheel set is provided with two rows of straightening wheels, and the height of each straightening wheel is adjusted by a screw rod.

4. The spoke bending device of claim 3, wherein wherein the straightening wheels are staggered.

5. The spoke bending device of claim 1, wherein wherein the straightening wheel set and the bending roller are both provided with grooves for the spoke wire to pass through.

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