CN212884474U

CN212884474U - Mold structure for bicycle production

Info

Publication number: CN212884474U
Application number: CN202021075158.2U
Authority: CN
Inventors: 青碧华
Original assignee: Kunshan Changhuaqi Machinery Co ltd
Current assignee: Kunshan Changhuaqi Machinery Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-04-06
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a mould structure for bicycle production, which comprises a mould outer ring, wherein a mould inner ring is sleeved in the mould outer ring, a ball is fixedly arranged between the inner ring of the die and the outer ring of the die, a threaded hole is arranged in the middle of the top of the inner ring of the die, a pipe bending die is connected with the threaded hole in an internal thread manner, a connecting rod is fixedly welded at the bottom of the pipe bending die, one end of the connecting rod is fixed at the bottom of the pipe bending die, the other end of the connecting rod is installed in the threaded hole in a threaded manner, an output shaft is arranged at the bottom of the inner ring of the mould, a positioning column is fixedly welded at the top of the outer ring of the mould, an oil filling port is arranged at one end of the top of the outer ring of the die, an annular oil duct is arranged in the outer ring of the die, oil outlets are uniformly arranged on the annular oil duct, the device is a mold structure for bicycle production with simple design, low cost and convenient use.

Description

Mold structure for bicycle production

Technical Field

The utility model belongs to the technical field of the mould, concretely relates to a mould structure for bicycle production.

Background

In electric bicycle production course of working, need use many return bends, but current return bend mould design is comparatively complicated, and the mould size is generally fixed, and the return bend mould need use a plurality ofly simultaneously, leads to the cost higher, can't adjust according to the thickness of steel pipe and lay down, need change whole mould when meetting the great steel pipe of thickness difference, for this reason we propose a mould structure for bicycle production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould structure for bicycle production to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mould structure for bicycle production, includes the mould outer lane, the mould inner circle has been cup jointed in the mould outer lane, the mould inner circle with the ball has been fixed to have placed between the mould outer lane, set up threaded hole in the middle of the mould inner circle top, threaded hole female connection has the pipe bending die, the fixed welding in bottom of pipe bending die has the connecting rod, the one end of connecting rod is fixed in the bottom of pipe bending die, the other end screw thread of connecting rod install in the threaded hole, the bottom of mould inner circle is equipped with the output shaft, the fixed welding in top of mould outer lane has the reference column, the top one end of mould outer lane is equipped with the oiling mouth, be equipped with annular oil duct in the mould outer lane, the.

Preferably, the oil filling port is connected with the annular oil passage in a penetrating manner.

Preferably, the number of the oil outlets is the same as that of the balls.

Preferably, the oil outlet is arranged at the same position as the mounting position of the ball, and the outlet of the oil outlet is connected with the arc-shaped outer wall of the ball.

Preferably, the connecting rod is uniformly provided with threads, and the threads arranged on the connecting rod are matched with the threads in the threaded hole.

Preferably, the pipe bending die is I-shaped, and the vertical plate of the pipe bending die is provided with an annular groove matched with the radian of the pipeline.

Preferably, the diameter of the inner ring of the mold is smaller than that of the outer ring of the mold, and the difference between the radii of the inner ring of the mold and the outer ring of the mold is equal to the diameter of the ball.

Compared with the prior art, the beneficial effects of the utility model are that:

when in use, the steel pipe is conveyed into a position between a pipe bending die and a positioning column which are arranged at the top of the inner ring of the die through a conveying device, then an output shaft arranged at the bottom of the inner ring of the die is connected with an external driving device, the inner ring of the die is driven to rotate in the outer ring of the die through the driving device, so that the steel pipe is bent, the inner ring of the die can rotate in the outer ring of the die conveniently through the balls arranged between the outer ring of the inner ring of the die and the outer ring of the die, lubricating oil can be added through an oil filling port according to the conditions when in use, the lubricating oil flows into the annular oil duct through the oil filling port, the position of the oil outlet arranged on the annular oil duct is consistent with that of the balls, so that the balls can be adhered to the lubricating oil in the oil outlet when rolling, the bicycle die is simple in design, low in manufacturing cost and convenient to use.

Drawings

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

fig. 2 is a schematic structural view of the present invention after the pipe bending die is removed;

fig. 3 is a schematic structural view of the pipe bending die of the present invention;

FIG. 4 is a schematic sectional view of the present invention;

fig. 5 is a schematic top sectional view of the present invention.

In the figure: 1. an outer ring of the mold; 2. an inner ring of the mold; 3. a ball bearing; 4. a threaded hole; 5. bending a pipe die; 6. A connecting rod; 7. an output shaft; 8. a positioning column; 9. an oil filling port; 10. an annular oil passage; 11. and an oil outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a mold structure for bicycle production, comprising a mold outer ring 1, a mould inner ring 2 is sleeved in the mould outer ring 1, a ball 3 is fixedly arranged between the mould inner ring 2 and the mould outer ring 1, a threaded hole 4 is formed in the middle of the top of the inner ring 2 of the die, a pipe bending die 5 is connected with the threaded hole 4 in a threaded manner, a connecting rod 6 is fixedly welded at the bottom of the pipe bending die 5, one end of the connecting rod 6 is fixed at the bottom of the pipe bending die 5, the other end of the connecting rod 6 is arranged in the threaded hole 4 in a threaded manner, the bottom of the inner ring 2 of the die is provided with an output shaft 7, a positioning column 8 is fixedly welded at the top of the outer ring 1 of the mould, an oil injection port 9 is arranged at one end of the top of the outer ring 1 of the mould, an annular oil duct 10 is arranged in the die outer ring 1, and oil outlets 11 are uniformly formed in the annular oil duct 10.

The technical scheme is as follows:

in order to facilitate smooth rotation of the balls 3, in the embodiment, preferably, the oil filling port 9 is connected to the annular oil passage 10 in a penetrating manner, so that lubricating oil is conveniently filled into the annular oil passage 10 through the oil filling port 9.

In order to facilitate uniform lubricating oil addition to the balls 3, in the present embodiment, preferably, the number of the oil outlets 11 is the same as the number of the balls 3.

In order to facilitate the adhesion of the ball 3 with the lubricating oil, in this embodiment, preferably, the position of the oil outlet 11 is consistent with the installation position of the ball 3, and the outlet of the oil outlet 11 is connected with the arc-shaped outer wall of the ball 3, so that when the ball 3 rolls, the arc-shaped side wall of the ball 3 can adhere to the lubricating oil from the oil outlet 11.

In order to facilitate the installation of the pipe bending die 5, in this embodiment, preferably, the connecting rod 6 is uniformly provided with threads, and the threads of the connecting rod 6 are matched with the threads in the threaded hole 4.

In order to facilitate the cabinet steel pipe to bend, in this embodiment, preferably, the bending die 5 is an i-shaped form, the vertical plate of the bending die 5 is provided with an annular groove matched with the radian of the pipeline.

In order to facilitate the rotation of the mold inner ring 2 through the balls 3, in the embodiment, preferably, the diameter of the mold inner ring 2 is smaller than the diameter of the mold outer ring 1, and the difference between the radii of the mold inner ring 2 and the mold outer ring 1 is equal to the diameter of the balls 3.

The utility model discloses a theory of operation and use flow: when the device is used, a steel pipe is conveyed into a position between a pipe bending die 5 and a positioning column 8 which are arranged at the top of a die inner ring 2 through a conveying device, then an output shaft 7 arranged at the bottom of the die inner ring 2 is connected with an external driving device, the die inner ring 2 is driven to rotate in a die outer ring 1 through the driving device, so that the steel pipe is bent, the die inner ring 2 can rotate in the die outer ring 1 conveniently through balls 3 arranged between the die outer ring 1 in the die inner ring 2, lubricating oil can be added through an oil filling port 9 according to the situation when the device is used, the lubricating oil flows into an annular oil duct 10 through the oil filling port 9, the position of the annular oil duct 10, which is provided with an oil outlet 11, is consistent with the positions of the balls 3, so that the balls 2 can be adhered to the lubricating oil in the oil outlet 11 when the balls roll, the die inner ring 2 can, the other end of the connecting rod 6 is arranged in the threaded hole 4 in a threaded manner, so that the pipe bending die can be replaced conveniently according to the different sizes of the steel pipes, and the device is a die structure for bicycle production, which has simple design, low manufacturing cost and convenient use

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mould structure for bicycle production, includes mould outer lane (1), its characterized in that: the die is characterized in that a die inner ring (2) is sleeved in the die outer ring (1), balls (3) are fixedly placed between the die inner ring (2) and the die outer ring (1), a threaded hole (4) is formed in the middle of the top of the die inner ring (2), a pipe bending die (5) is connected with the threaded hole (4) in an internal thread mode, a connecting rod (6) is fixedly welded at the bottom of the pipe bending die (5), one end of the connecting rod (6) is fixed to the bottom of the pipe bending die (5), the other end of the connecting rod (6) is installed in the threaded hole (4) in a threaded mode, an output shaft (7) is arranged at the bottom of the die inner ring (2), a positioning column (8) is fixedly welded at the top of the die outer ring (1), an oil injection port (9) is arranged at one end of the top of the die, oil outlets (11) are uniformly formed in the annular oil duct (10).

2. A mould structure for bicycle production according to claim 1, characterized in that: the oil filling port (9) is communicated with the annular oil duct (10).

3. A mould structure for bicycle production according to claim 1, characterized in that: the number of the oil outlets (11) is the same as that of the balls (3).

4. A mould structure for bicycle production according to claim 1, characterized in that: the position of the oil outlet (11) is consistent with the installation position of the ball (3), and the outlet of the oil outlet (11) is connected with the arc-shaped outer wall of the ball (3).

5. A mould structure for bicycle production according to claim 1, characterized in that: the connecting rod (6) is uniformly provided with threads, and the threads arranged on the connecting rod (6) are matched with the threads in the threaded hole (4).

6. A mould structure for bicycle production according to claim 1, characterized in that: the pipe bending die (5) is I-shaped, and the vertical plate of the pipe bending die (5) is provided with an annular groove matched with the radian of the pipeline.

7. A mould structure for bicycle production according to claim 1, characterized in that: the diameter of the die inner ring (2) is smaller than that of the die outer ring (1), and the radius difference between the die inner ring (2) and the die outer ring (1) is equal to that of the balls (3).