CN213561023U - Hole milling and arc punching device for bicycle frame steel pipe - Google Patents
Hole milling and arc punching device for bicycle frame steel pipe Download PDFInfo
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- CN213561023U CN213561023U CN202021830128.8U CN202021830128U CN213561023U CN 213561023 U CN213561023 U CN 213561023U CN 202021830128 U CN202021830128 U CN 202021830128U CN 213561023 U CN213561023 U CN 213561023U
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Abstract
The utility model discloses a hole milling arc punching device for bicycle frame body steel pipe, include: the device comprises an operating platform, a first clamping mechanism, a second clamping mechanism, a hole milling device and an arc punching device, wherein the operating platform is arranged at the bottom; the first clamping mechanism is used for clamping and fixing one end of the steel pipe; the second clamping mechanism is used for clamping and fixing the other end of the steel pipe; the hole milling device is used for drilling holes on the cylindrical surface of the steel pipe close to the port; the arc punching device is used for punching an arc opening for the other end of the steel pipe. The utility model firstly carries out independent clamping and fixing on the two ends of the steel pipe with plane bending or space bending by arranging the first clamping mechanism and the second clamping mechanism, thereby greatly reducing the cost; and the clamping and fixing are more flexible. The two ends of the steel pipe can be simultaneously opened and arc punched, and the precision of the round hole and the arc opening of the steel pipe is guaranteed.
Description
Technical Field
The utility model relates to a bicycle parts machining technical field, concretely relates to a hole milling arc punching device for bicycle frame body steel pipe.
Background
The bicycle, also known as a bicycle or a bicycle, is a green and environment-friendly vehicle. The bicycle is a traditional industry, has a history of more than 100 years, and due to the practical problems of green environmental protection advocation, traffic jam and the like, the single function demand of people on the bicycle is changed to multifunctional demand, in recent years, the bicycle becomes a favorite traffic and fitness tool of all countries in the world, particularly developed countries, and is changed from a traditional transportation tool instead of walking to a sports type, a mountain type and a leisure and entertainment type, the demand of the bicycle in the whole world every year is huge, and the long-standing prosperity of the bicycle manufacturing industry is driven.
The bicycle frame body is a framework of the whole bicycle, and the correctness and the comfort of riding postures are determined to the greatest extent. Therefore, the precision requirements of the machining size and the angle of the steel pipes forming the bicycle frame body are high, and the steel pipe with one end provided with the round hole and the other end provided with the arc is one of the important components of the bicycle frame body.
In the prior art, the round hole of the steel pipe and the arc opening at the other end need to be completed through two arc punching procedures, the equipment cost and the circulation processing cost are higher, time and labor are wasted, and the relative position errors of the round hole and the arc opening at the two ends of the steel pipe are larger because of the twice positioning. In addition, some steel pipes are bent in the two-dimensional plane direction or the three-dimensional space direction, and the integrated clamping and fixing are very difficult and high in cost. Therefore, there is a need in the art for a tapping device with simple structure, stable clamping, high processing efficiency and high tapping accuracy.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a configuration is simple, and split type centre gripping is fixed, accomplishes the milling holes and the arc punching of steel pipe simultaneously in a location, and processing is high-efficient, the trompil is towards the arc device that the arc size and the position accuracy are high.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
a hole milling and arc punching device for a bicycle frame steel pipe comprises: the operation platform is arranged at the bottom and used for bearing the first clamping mechanism, the second clamping mechanism, the hole milling device and the arc punching device and providing an operation space for hole milling and arc punching of a steel pipe of a bicycle frame body; the first clamping mechanism is arranged above the operating platform and used for clamping and fixing one end of the steel pipe; the second clamping mechanism and the first clamping mechanism are separately arranged above the operating platform and used for clamping and fixing the other end of the steel pipe; the hole milling device is arranged corresponding to the first clamping mechanism and is used for drilling holes on the cylindrical surface of the steel pipe close to the port; the hole milling device comprises a hole milling cutter, a hole milling support, a hole milling driving unit and a hole milling feeding mechanism; one end of the hole milling cutter is connected with the hole milling driving unit, and the other end of the hole milling cutter containing cutter teeth is perpendicular to the axis of the steel pipe fixed by the first clamping mechanism; the hole milling driving unit is fixedly connected with the hole milling support; the hole milling support is connected with the hole milling feeding mechanism; the hole milling feeding mechanism drives the hole milling cutter to move forwards and backwards along the direction vertical to the axis of the steel pipe through the hole milling support; and the arc punching device is arranged corresponding to the second clamping mechanism and is used for punching an arc opening at the other end of the steel pipe.
The beneficial effect of adopting above-mentioned technical scheme is: the problems that in the prior art, the machining process of steel pipes with holes at one end and arc openings at the other end in a bicycle frame body is generally finished one by one, the machining efficiency is low, and the accuracy of the relative positions of the punched holes and the punched arcs is low are fully considered; secondly, the clamping and fixing are more flexible, and the application range is wide. In addition, the hole milling cutter is used as a hole drilling processing mode, the hole drilling size range of the pipe wall of the steel pipe is larger, the precision is higher, in addition, the hole drilling processing mode is matched with the arc punching device, the hole drilling and the arc punching can be simultaneously completed at the two ends of the steel pipe, the processing efficiency is effectively improved, meanwhile, the precision of the relative positions of the circular hole and the arc opening of the steel pipe is also ensured to the maximum extent, meanwhile, the processing procedures are also reduced, and the labor cost is reduced.
As a technical scheme of the utility model further improve, first fixture includes first lower limb, first splenium and the first drive unit that compresses tightly, be equipped with down the milling flutes in the first lower limb, first splenium is located directly over the first lower limb, just first splenium go up with the position department that the milling flutes corresponds down is equipped with the last milling flutes that matches with lower milling flutes, first lower limb with first splenium of going up passes through first drive unit that compresses tightly carries out the closure.
The beneficial effect of adopting above-mentioned technical scheme is: the lower hole milling groove and the upper hole milling groove are arranged, so that on one hand, the entering and exiting of a hole milling cutter are facilitated; on the other hand, the lower branch portion and the upper pressing portion can well protect the area outside the hole position and prevent the pipe wall of the area near the hole position from deforming in the hole opening process.
As a further improvement of the technical solution of the present invention, the second clamping mechanism includes a second lower support portion, a second upper pressing portion and a second pressing driving unit, a lower arc groove is disposed on a side surface of the second lower support portion close to the end of the steel pipe, the second upper pressing portion is located right above the second lower support portion, an upper arc groove matched with the lower arc groove is disposed at a position corresponding to the lower arc groove on the second upper pressing portion, and the arc diameters of the upper arc groove and the lower arc groove are equal to the diameter of the arc mouth to be punched by the steel pipe; the second lower branch part and the second upper pressing part are closed through the second pressing driving unit.
The beneficial effect of adopting above-mentioned technical scheme is: the lower arc groove and the upper arc groove are matched with the arc punching shape of the steel pipe, so that the arc punching device is favorable for keeping the arc punching device not to deform the pipe wall of a related area when punching an arc opening, and in addition, the accuracy of the arc punching shape is ensured to the maximum extent.
As the utility model discloses technical scheme's further improvement again, first compress tightly drive unit with the second compresses tightly drive unit and is the hydraulic drive hydro-cylinder, first compress tightly drive unit with the splenium is connected on first, the second compress tightly drive unit with the splenium is connected on the second.
The beneficial effect of adopting above-mentioned technical scheme is: the hydraulic cylinder is used as the first pressing driving unit and the second pressing driving unit, the size of the device is favorably reduced, the power is strong, the running speed is stable, the action is sensitive, the noise is low, and the hydraulic cylinder is particularly suitable for the application characteristics of frequent starting and reversing of the first pressing driving unit and the second pressing driving unit.
As a further improvement of the technical scheme of the utility model, the hole milling feed mechanism includes that the hole milling feeds guide rail, hole milling slider and hole milling feed drive unit, the hole milling feeds the guide rail and lays along the axis direction of perpendicular to steel pipe on the operation platform, the top of hole milling slider with the hole milling support is connected, the bottom of hole milling slider with the hole milling feeds the guide rail and follows the hole milling feeds the length direction slidable connection of guide rail, the hole milling feed drive unit with the hole milling slider is connected.
The beneficial effect of adopting above-mentioned technical scheme is: the guide rail and the sliding block are matched for use, so that the stability and the accuracy of the hole milling feeding direction are facilitated.
As a further improvement of the technical scheme of the utility model, the arc punching device comprises an arc punching support, an arc punching driving unit and an arc punching cutter; the arc punching support is connected with the operating platform to bear the arc punching driving unit and the arc punching cutter; the arc striking driving unit is fixed at the top of the arc striking support; one end of the arc punching cutter is connected with the arc punching driving unit, and the other end of the arc punching cutter is aligned with the lower arc groove.
The beneficial effect of adopting above-mentioned technical scheme is: the arc punching support, the arc punching driving unit and the arc punching cutter are integrally arranged, so that later adjustment, maintenance or replacement are facilitated.
As a further improvement of the technical scheme of the utility model, the arcing support with be rotatable coupling between the operation platform.
The beneficial effect of adopting above-mentioned technical scheme is: the arc punching support and the operation platform are rotatably connected, so that the angle between the arc punching cutter and the axis of the short pipe can be adjusted, the arc punching requirements of steel pipes with arc openings of different angles can be met, and the application range of the arc punching device is further expanded.
As a further improvement of the technical scheme of the utility model, the arcing support is close to the terminal surface of second fixture is the arc surface, the arcing support is being close to be equipped with the angle scale on the upper surface of arc surface, the last angle datum point that is equipped with of operation platform, the angle datum point with the cooperation of angle scale is used for discerning the rotation angle of arcing support.
The beneficial effect of adopting above-mentioned technical scheme is: the matching arrangement of the angle scales and the angle reference points is beneficial to accurately adjusting the rotating position of the arc striking device relative to the operating platform, and the accuracy of multiple times of adjustment can be improved.
As the utility model discloses technical scheme's further improvement still includes locating component, locating component includes the locating plate, the locating plate is established on the first fixture, and be close to the port of the steel pipe of centre gripping.
The beneficial effect of adopting above-mentioned technical scheme is: the introduction of the positioning device is beneficial to keeping the same processing positions of steel pipes in batches, and the cutting allowance reserved in the blanking process of the steel pipes can be reduced, so that the material utilization rate is effectively improved, and the material cost is saved.
As a further improvement of the technical scheme of the utility model, the locating component still includes the threaded telescopic rod, the one end of threaded telescopic rod is fixed the tip of first bottom suspension portion, and its other end with the locating plate is connected.
The beneficial effect of adopting above-mentioned technical scheme is: the setting of screw thread telescopic link helps adjusting the distance of locating plate in the axis direction of steel pipe to satisfy the location demand of different length steel pipes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic front view of the hole milling and arc punching device of the present invention.
Fig. 2 is a schematic plan view of the hole milling and arc punching device of the present invention.
The corresponding part names indicated by the numbers in the figures are as follows:
a steel pipe 01; an operating platform 1; an angle reference point 11; a first clamping mechanism 2; a first lower leg portion 21; a lower milled slot 211; a first pressing section 22; an upper milled-hole groove 221; a first pressing drive unit 23; a second clamping mechanism 3; the second lower branch portion 31; a lower arc groove 311; a second pressing section 32; an upper arc groove 321; a second pressing drive unit 33; a hole milling device 4; a hole milling cutter 41; a hole milling support 42; a hole milling drive unit 43; a hole milling feed mechanism 44; a hole milling feed guide 441; a hole-milling slider 442; a hole milling feed drive unit 443; an arc striking device 5; an arcing support 51; an angle scale 511; an arcing drive unit 52; an arc striking cutter 53; a positioning assembly 6; a positioning plate 61; a threaded telescoping rod 62.
Detailed Description
To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In order to realize the utility model discloses a purpose, the utility model provides a technical scheme does:
in some embodiments of the present invention, as shown in fig. 1, a hole milling and arc punching device for a bicycle frame steel tube is disclosed, comprising: the automatic hole milling machine comprises an operating platform 1, a first clamping mechanism 2, a second clamping mechanism 3, a hole milling device 4 and an arc punching device 5, wherein the operating platform 1 is arranged at the bottom and used for bearing the first clamping mechanism 2, the second clamping mechanism 3, the hole milling device 4 and the arc punching device 5 and providing an operating space for hole milling and arc punching of a steel pipe 01 of a bicycle frame body; the first clamping mechanism 2 is arranged above the operating platform 1 and used for clamping and fixing one end of the steel pipe 01; the second clamping mechanism 3 is arranged above the operating platform 1 separately from the first clamping mechanism 2 and is used for clamping and fixing the other end of the steel pipe 01; the hole milling device 4 is arranged corresponding to the first clamping mechanism 2 and is used for drilling a hole on the cylindrical surface of the steel pipe 01 close to the port; the hole milling device 4 comprises a hole milling cutter 41, a hole milling support 42, a hole milling driving unit 43 and a hole milling feeding mechanism 44; one end of the hole milling cutter 41 is connected with the hole milling driving unit 43, and the other end of the hole milling cutter including cutter teeth is vertical to the axis of the steel pipe 01 fixed by the first clamping mechanism 2; the hole milling driving unit 43 is fixedly connected with the hole milling support 42; the hole milling support 42 is connected with a hole milling feeding mechanism 44; the hole milling feeding mechanism 44 drives the hole milling cutter 41 to move forwards and backwards along the direction vertical to the axis of the steel pipe 01 through the hole milling support 42; and the arc punching device 5 is arranged corresponding to the second clamping mechanism 3 and is used for punching an arc opening at the other end of the steel pipe 01.
The beneficial effect of adopting above-mentioned technical scheme is: the problems that in the prior art, the machining process of steel pipes with holes at one end and arc openings at the other end in a bicycle frame body is generally finished one by one, the machining efficiency is low, and the accuracy of the relative positions of the punched holes and the punched arcs is low are fully considered; secondly, the clamping and fixing are more flexible, and the application range is wide. In addition, the hole milling cutter is used as a hole drilling processing mode, the hole drilling size range of the pipe wall of the steel pipe is larger, the precision is higher, in addition, the hole drilling processing mode is matched with the arc punching device, the hole drilling and the arc punching can be simultaneously completed at the two ends of the steel pipe, the processing efficiency is effectively improved, meanwhile, the precision of the relative positions of the circular hole and the arc opening of the steel pipe is also ensured to the maximum extent, meanwhile, the processing procedures are also reduced, and the labor cost is reduced.
In other embodiments of the present invention, as shown in fig. 1, the first clamping mechanism 2 includes a first lower supporting portion 21, a first upper pressing portion 22 and a first pressing driving unit 23, a lower milling hole groove 211 is provided on the first lower supporting portion 21, the first upper pressing portion 22 is located directly above the first lower supporting portion 21, the first upper pressing portion 22 is provided with an upper milling hole groove 221 matched with the lower milling hole groove 211 at a position corresponding to the lower milling hole groove 211, and the first lower supporting portion 21 and the first upper pressing portion 22 are closed through the first pressing driving unit 23.
The beneficial effect of adopting above-mentioned technical scheme is: the lower hole milling groove and the upper hole milling groove are arranged, so that on one hand, the entering and exiting of a hole milling cutter are facilitated; on the other hand, the lower branch portion and the upper pressing portion can well protect the area outside the hole position and prevent the pipe wall of the area near the hole position from deforming in the hole opening process.
In other embodiments of the present invention, as shown in fig. 1, the second clamping mechanism 3 includes a second lower supporting portion 31, a second upper pressing portion 32 and a second pressing driving unit 33, a lower arc groove 311 is disposed on a side surface of the second lower supporting portion 31 close to the end of the steel pipe 01, the second upper pressing portion 32 is located right above the second lower supporting portion 31, an upper arc groove 321 matched with the lower arc groove 311 is disposed at a position corresponding to the lower arc groove 311 on the second upper pressing portion 32, and the arc diameters of the upper arc groove 321 and the lower arc groove 311 are equal to the diameter of the arc opening to be punched by the steel pipe 01; the second lower leg portion 31 and the second upper pressing portion 32 are closed by a second pressing drive unit 33.
The beneficial effect of adopting above-mentioned technical scheme is: the lower arc groove and the upper arc groove are matched with the arc punching shape of the steel pipe, so that the arc punching device is favorable for keeping the arc punching device not to deform the pipe wall of a related area when punching an arc opening, and in addition, the accuracy of the arc punching shape is ensured to the maximum extent.
In other embodiments of the present invention, the first pressing driving unit 23 and the second pressing driving unit 33 are hydraulic driving cylinders, the first pressing driving unit 23 is connected to the first upper pressing portion 22, and the second pressing driving unit 33 is connected to the second upper pressing portion 32.
The beneficial effect of adopting above-mentioned technical scheme is: the hydraulic cylinder is used as the first pressing driving unit and the second pressing driving unit, the size of the device is favorably reduced, the power is strong, the running speed is stable, the action is sensitive, the noise is low, and the hydraulic cylinder is particularly suitable for the application characteristics of frequent starting and reversing of the first pressing driving unit and the second pressing driving unit.
In other embodiments of the present invention, as shown in fig. 2, the hole milling feeding mechanism 44 includes a hole milling feeding guide rail 441, a hole milling slider 442 and a hole milling feeding driving unit 443, the hole milling feeding guide rail 441 is laid on the operation platform 1 along the axial direction perpendicular to the steel pipe 01, the top of the hole milling slider 442 is connected to the hole milling support 42, the bottom of the hole milling slider 442 is slidably connected to the hole milling feeding guide rail 441 along the length direction of the hole milling feeding guide rail 441, and the hole milling feeding driving unit 443 is connected to the hole milling slider 442.
The beneficial effect of adopting above-mentioned technical scheme is: the guide rail and the sliding block are matched for use, so that the stability and the accuracy of the hole milling feeding direction are facilitated.
In other embodiments of the present invention, as shown in fig. 1, the arc striking device 5 includes an arc striking support 51, an arc striking driving unit 52, and an arc striking cutter 53; the arc punching support 51 is connected with the operating platform 1 to bear an arc punching driving unit 52 and an arc punching cutter 53; the arc striking driving unit 52 is fixed on the top of the arc striking support 51; one end of the arcing cutter 53 is connected to the arcing drive unit 52, and the other end of the arcing cutter 53 is aligned with the lower arc chute 311.
The beneficial effect of adopting above-mentioned technical scheme is: the arc punching support, the arc punching driving unit and the arc punching cutter are integrally arranged, so that later adjustment, maintenance or replacement are facilitated.
In other embodiments of the present invention, as shown in fig. 2, the arcing support 51 is rotatably connected to the operation platform 1.
The beneficial effect of adopting above-mentioned technical scheme is: the arc punching support and the operation platform are rotatably connected, so that the angle between the arc punching cutter and the axis of the short pipe can be adjusted, the arc punching requirements of steel pipes with arc openings of different angles can be met, and the application range of the arc punching device is further expanded.
In other embodiments of the present invention, as shown in fig. 2, the end surface of the arc striking support 51 close to the second clamping mechanism 3 is an arc surface, the arc striking support 51 is provided with an angle scale 511 on the upper surface close to the arc surface, the operating platform 1 is provided with an angle reference point 11, and the angle reference point 11 is matched with the angle scale 511 to identify the rotation angle of the arc striking support 51.
The beneficial effect of adopting above-mentioned technical scheme is: the matching arrangement of the angle scales and the angle reference points is beneficial to accurately adjusting the rotating position of the arc striking device relative to the operating platform, and the accuracy of multiple times of adjustment can be improved.
In other embodiments of the present invention, as shown in fig. 1, the clamping device further includes a positioning component 6, the positioning component 6 includes a positioning plate 61, the positioning plate 61 is disposed on the first clamping mechanism 2, and is close to the port of the clamped steel tube 01.
The beneficial effect of adopting above-mentioned technical scheme is: the introduction of the positioning device is beneficial to keeping the same processing positions of steel pipes in batches, and the cutting allowance reserved in the blanking process of the steel pipes can be reduced, so that the material utilization rate is effectively improved, and the material cost is saved.
In other embodiments of the present invention, as shown in fig. 1, the positioning assembly 6 further includes a telescopic screw rod 62, one end of the telescopic screw rod 62 is fixed at the end of the first lower supporting portion 21, and the other end is connected to the positioning plate 61.
The beneficial effect of adopting above-mentioned technical scheme is: the setting of screw thread telescopic link helps adjusting the distance of locating plate in the axis direction of steel pipe to satisfy the location demand of different length steel pipes.
The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. The utility model provides a hole milling arc-punching device for bicycle frame body steel pipe which characterized in that includes: an operating platform, a first clamping mechanism, a second clamping mechanism, a hole milling device and an arc punching device,
the operating platform is arranged at the bottom and used for bearing the first clamping mechanism, the second clamping mechanism, the hole milling device and the arc punching device and providing an operating space for hole milling and arc punching of the steel pipe of the bicycle frame body;
the first clamping mechanism is arranged above the operating platform and used for clamping and fixing one end of the steel pipe;
the second clamping mechanism and the first clamping mechanism are separately arranged above the operating platform and used for clamping and fixing the other end of the steel pipe;
the hole milling device is arranged corresponding to the first clamping mechanism and is used for drilling holes on the cylindrical surface of the steel pipe close to the port; the hole milling device comprises a hole milling cutter, a hole milling support, a hole milling driving unit and a hole milling feeding mechanism; one end of the hole milling cutter is connected with the hole milling driving unit, and the other end of the hole milling cutter containing cutter teeth is perpendicular to the axis of the steel pipe fixed by the first clamping mechanism; the hole milling driving unit is fixedly connected with the hole milling support; the hole milling support is connected with the hole milling feeding mechanism; the hole milling feeding mechanism drives the hole milling cutter to move forwards and backwards along the direction vertical to the axis of the steel pipe through the hole milling support;
and the arc punching device is arranged corresponding to the second clamping mechanism and is used for punching an arc opening at the other end of the steel pipe.
2. The hole milling and arc punching device for the bicycle frame steel tube as claimed in claim 1, wherein the first clamping mechanism comprises a first lower supporting portion, a first upper pressing portion and a first pressing driving unit, a lower hole milling groove is formed in the first lower supporting portion, the first upper pressing portion is located right above the first lower supporting portion, an upper hole milling groove matched with the lower hole milling groove is formed in the position, corresponding to the lower hole milling groove, of the first upper pressing portion, and the first lower supporting portion and the first upper pressing portion are closed through the first pressing driving unit.
3. A hole milling and arc punching device for a steel tube of a bicycle frame body according to claim 2, wherein the second clamping mechanism comprises a second lower support part, a second upper pressing part and a second pressing driving unit, a lower arc groove is arranged on the side surface of the second lower support part close to the tail end of the steel tube, the second upper pressing part is positioned right above the second lower support part, an upper arc groove matched with the lower arc groove is arranged at the position of the second upper pressing part corresponding to the lower arc groove, and the arc surface diameters of the upper arc groove and the lower arc groove are equal to the diameter of an arc opening to be punched of the steel tube; the second lower branch part and the second upper pressing part are closed through the second pressing driving unit.
4. The hole milling and arc punching device for the bicycle frame steel tube as claimed in claim 3, wherein the first pressing driving unit and the second pressing driving unit are both hydraulic driving cylinders, the first pressing driving unit is connected with the first pressing portion, and the second pressing driving unit is connected with the second pressing portion.
5. The hole milling and arc punching device for the bicycle frame steel tube as claimed in claim 1, wherein the hole milling and feeding mechanism comprises a hole milling and feeding guide rail, a hole milling slider and a hole milling and feeding driving unit, the hole milling and feeding guide rail is laid on the operating platform along the direction perpendicular to the axis of the steel tube, the top of the hole milling slider is connected with the hole milling support, the bottom of the hole milling slider is slidably connected with the hole milling and feeding guide rail along the length direction of the hole milling and feeding guide rail, and the hole milling and feeding driving unit is connected with the hole milling slider.
6. A hole milling and arc striking device for a bicycle frame steel tube as claimed in claim 3, wherein the arc striking device comprises an arc striking support, an arc striking drive unit and an arc striking cutter; the arc punching support is connected with the operating platform to bear the arc punching driving unit and the arc punching cutter; the arc striking driving unit is fixed at the top of the arc striking support; one end of the arc punching cutter is connected with the arc punching driving unit, and the other end of the arc punching cutter is aligned with the lower arc groove.
7. A hole milling and arc punching device for a bicycle frame steel tube according to claim 6, wherein the arc punching support and the operating platform are rotatably connected.
8. The hole milling and arc punching device for the bicycle frame steel tube as claimed in claim 7, wherein the end surface of the arc punching support close to the second clamping mechanism is an arc surface, the arc punching support is provided with angle scales on the upper surface close to the arc surface, the operating platform is provided with an angle reference point, and the angle reference point is matched with the angle scales to identify the rotation angle of the arc punching support.
9. A hole milling and arc punching device for a bicycle frame steel tube as claimed in claim 2, further comprising a positioning assembly, wherein the positioning assembly comprises a positioning plate, and the positioning plate is arranged on the first clamping mechanism and is close to the port of the clamped steel tube.
10. A hole milling and arc punching device for a bicycle frame steel tube according to claim 9, wherein the positioning assembly further comprises a threaded telescopic rod, one end of the threaded telescopic rod is fixed at the end of the first lower supporting portion, and the other end of the threaded telescopic rod is connected with the positioning plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021830128.8U CN213561023U (en) | 2020-08-27 | 2020-08-27 | Hole milling and arc punching device for bicycle frame steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021830128.8U CN213561023U (en) | 2020-08-27 | 2020-08-27 | Hole milling and arc punching device for bicycle frame steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213561023U true CN213561023U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021830128.8U Active CN213561023U (en) | 2020-08-27 | 2020-08-27 | Hole milling and arc punching device for bicycle frame steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213561023U (en) |
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2020
- 2020-08-27 CN CN202021830128.8U patent/CN213561023U/en active Active
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