CN216730563U - Chamfering and hole-opening integrated device for tube in bicycle frame - Google Patents
Chamfering and hole-opening integrated device for tube in bicycle frame Download PDFInfo
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- CN216730563U CN216730563U CN202122865144.1U CN202122865144U CN216730563U CN 216730563 U CN216730563 U CN 216730563U CN 202122865144 U CN202122865144 U CN 202122865144U CN 216730563 U CN216730563 U CN 216730563U
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Abstract
The utility model discloses a chamfering and hole-opening integrated device for a middle pipe of a bicycle frame, which comprises: the drilling device comprises an operating platform, a clamping mechanism, a chamfering device and a drilling device, wherein the operating platform is used for bearing the clamping mechanism, the chamfering device and the drilling device; the clamping mechanism comprises a left clamping mechanism and a right clamping mechanism, and the left clamping mechanism and the right clamping mechanism are respectively used for clamping two ends of a tube in the bicycle frame to be temporarily fixed; the chamfering device is arranged on one side of the clamping mechanism and is used for chamfering the inner side or the outer side of a pipe orifice at one end of a pipe in the bicycle frame; the drilling device is arranged between the left clamping mechanism and the right clamping mechanism and is used for drilling holes at a preset position of the middle pipe of the bicycle frame. The chamfering device provided by the utility model is used for chamfering an inner angle or an outer angle of a preset end of the middle pipe of the bicycle frame, the drilling device is used for drilling a hole at the preset position, and at least two kinds of processing are completed by one-time positioning, so that the processing procedures are simplified, the positioning times are reduced, and the processing precision and the production efficiency are effectively improved.
Description
Technical Field
The utility model relates to the technical field of bicycle part processing equipment, in particular to a chamfering and hole-opening integrated device for a middle pipe of a bicycle frame.
Background
The bicycle is a traditional industry, has a history of more than 100 years so far, and due to the advocation of environmental protection and the practical requirement of traffic jam of power locomotives, in recent years, the bicycle becomes a favorite traffic and fitness tool for all countries in the world, particularly for residents in developed countries, and has been changed from a traditional single transportation tool instead of walking to a sport type, a mountain type and a leisure and entertainment type, so that the bicycle manufacturing industry is driven to be durable and prosperous.
The bicycle frame is a framework of the whole bicycle, and the shape and the structural strength of the bicycle frame determine the riding comfort and safety to a great extent. Therefore, the machining size and the angle precision of steel pipes of all parts forming the bicycle frame body have high requirements, wherein the middle pipe of the bicycle frame is one of the important components of the bicycle frame.
In prior art, the one end of pipe in the bicycle frame need interior angle or exterior angle of falling, and the middle part needs the trompil, and the other end needs to be washed out the arc, and normal needs are accomplished through three processes, and equipment cost, cost of labor and circulation processing cost are higher, waste time and energy, and because of involving the cubic location, the relative position error between slot hole, round hole and the arc mouth of steel pipe is great.
Therefore, there is a need in the art for an integrated device that is simple in configuration, efficient in processing, and capable of performing the above-described processing steps in a centralized manner.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the three-function punching device which is simple in structure, high in efficiency, high in speed and high in punching arc punching precision, and integrates three machining processes into one.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
disclosed is a chamfer trompil integrated device for pipe in bicycle frame, includes: the operation platform is arranged at the bottom, bears the clamping mechanism, the chamfering device and the drilling device, and provides an operation space for chamfering and drilling of a tube in the bicycle frame; the clamping mechanism comprises a left clamping mechanism and a right clamping mechanism, and the left clamping mechanism and the right clamping mechanism are respectively used for clamping two ends of a pipe in the bicycle frame to be temporarily fixed; the chamfering device is arranged on one side of the clamping mechanism and is used for chamfering the inner side or the outer side of a pipe orifice at one end of the bicycle frame middle pipe; the drilling device is arranged between the left clamping mechanism and the right clamping mechanism and used for drilling holes at the preset position of the tube in the bicycle frame.
The beneficial effect of adopting above-mentioned technical scheme is: the chamfering device is arranged, the drilling device is used for temporarily fixing the clamping mechanism, the chamfering device is used for chamfering the inner angle or the outer angle of the preset end of the middle pipe of the bicycle frame, the drilling device is used for drilling the preset position, at least two kinds of processing are completed in one-time positioning, the processing procedures are simplified, the positioning times are reduced, and the processing precision and the production efficiency are effectively improved.
Further, the left clamping mechanism comprises a left lower clamping die, a left upper clamping die and a left clamping driving unit, and the left clamping driving unit is connected with the left upper clamping die or the left lower clamping die and is used for driving the left upper clamping die to be clamped with the left lower clamping die or driving the left lower clamping die to be clamped with the left upper clamping die; and the left lower clamping die and the left upper clamping die are clamped to form a clamping hole.
The beneficial effects of the above technical scheme are that: set up left centre gripping drive unit drive left side down and press from both sides the mould or the upper left side presss from both sides the mould with the left side down that corresponds or the upper left side and presss from both sides the mould cramp, forms the clamping hole and carries out the centre gripping fixedly to the bicycle frame well pipe, can realize fixing rapidly and remove fixedly, is convenient for operate and helps promoting machining efficiency.
Furthermore, the left lower clamping die comprises a left lower die body and a left lower die head, the left lower die body is fixedly connected with the operating platform, and the left lower die head is detachably connected with the left lower die body; the upper left clamping die comprises an upper left die body and an upper left die head, the upper left die body is fixedly connected with the telescopic end of the left clamping driving unit, and the upper left die head is detachably connected with the upper left die body.
The beneficial effects of the above technical scheme are that: set up down die head in a left side and can dismantle with the left lower die body and be connected to and upper left die head can dismantle with the upper left die body and be connected, be convenient for according to die head and upper left die head under the left side of overall dimension quick replacement looks adaptation in the bicycle frame pipe, thereby satisfy the centre gripping needs of pipe in the bicycle frame of different specifications, effectively expanded chamfer trompil integrated device's application scope.
Still further, the chamfering device comprises a chamfering feeding mechanism, a rotary driving element and a chamfering tool, wherein the chamfering feeding mechanism is in transmission connection with the rotary driving element and is used for providing a reciprocating feeding driving force for the rotary driving element; the rotary driving element is in transmission connection with the chamfering tool and is used for providing rotary driving force for the chamfering tool; the rotating central axis of the chamfering tool coincides with the central axis of the clamping hole.
The beneficial effects of the above technical scheme are that: the chamfering feeding mechanism is matched with the rotary driving element to drive the chamfering tool to move forwards and backwards at one end of the fixed bicycle frame middle pipe, the chamfering tool starts to rotate to perform chamfering when moving forwards in place, the chamfering tool slowly feeds forwards according to the chamfering progress in the chamfering process, the chamfering tool immediately stops rotating and backwards after the chamfering is finished, chamfering processing is efficient and energy-saving, and automatic control is easy to realize.
Still further, chamfer trompil integrated device still includes stop gear, stop gear establishes left side fixture dorsad right side fixture's the outside or establish right side fixture dorsad the outside of left side fixture is used for injecing the clamping position of pipe in the bicycle frame.
The beneficial effects of the above technical scheme are that: the positioning accuracy and the positioning speed can be obviously improved due to the arrangement of the limiting mechanism, and the quality of the tube in the bicycle frame is easy to control.
Still further, the drilling device comprises a drill bit, a drilling driving unit and a lifting driving unit, wherein the drill bit is connected with the drilling driving unit, and the drilling driving unit is connected with the lifting driving unit.
The beneficial effects of the above technical scheme are that: the drilling driving unit and the lifting driving unit are configured to respectively provide rotary power and power for advancing and retreating the drilling hole for the drill bit, so that automatic drilling is conveniently realized.
Furthermore, be equipped with the edge on the operation platform the spout that pipe axial direction laid in the bicycle frame, drilling equipment still includes carriage and locking piece, the carriage bears fixedly drill bit, drilling drive unit and lift drive unit, just the bottom of carriage with spout sliding connection, the locking piece is established on the carriage for the locking the carriage.
The beneficial effects of the above technical scheme are that: the sliding frame is matched with the sliding groove, the position of the drill bit can be adjusted at any time according to the axial position of the round hole, and the application range of the chamfering and hole opening integrated device is further expanded.
Furthermore, the chamfering and hole opening integrated device further comprises an arc opening stamping device, wherein the arc opening stamping device is arranged on one side, back to the chamfering device, of the clamping mechanism and used for stamping an arc opening at one end, far away from the chamfer, of the tube in the bicycle frame.
The beneficial effects of the above technical scheme are that: through setting up the nock stamping device, can carry out nock punching press processing and chamfer processing respectively with the both ends of chamfer device cooperation follow well pipe under the condition that does not increase the location number of times, further promoted the processing work load of accomplishing in a process, further promoted the production efficiency of well pipe in the bicycle frame.
Furthermore, the arc opening punching device comprises an arc punching feeding mechanism and an arc punching cutter, wherein the arc punching cutter is arranged on the arc punching feeding mechanism, and the arc punching feeding mechanism is connected with the operating platform.
The beneficial effects of the above technical scheme are that: the arc punching feeding mechanism drives the arc punching cutter to quickly feed and punch after the bicycle frame middle tube is temporarily fixed, an arc opening is formed at the end part of the bicycle frame middle tube, the arc punching is efficient, and the automatic control is easy.
Furthermore, the arc punching feeding mechanism comprises a slide rail, a slide block and an arc punching driving unit; the sliding rail is laid on the operating platform along the direction vertical to the axis of the middle pipe of the bicycle frame; the top of the sliding block is fixedly connected with the arc punching cutter, and the bottom of the sliding block is slidably connected with the sliding rail; the arc striking driving unit is in transmission connection with the sliding block.
The beneficial effects of the above technical scheme are that: on one hand, the arc punching cutter is fixedly connected to the sliding block, and the sliding rail and the sliding block are arranged in a matched mode, so that accurate guide is provided for feeding of the arc punching cutter; on the other hand, the arc punching cutter is more stable and reliable in the feeding process.
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 it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of an integrated chamfering and tapping apparatus according to the present invention;
FIG. 2 is a schematic view of another integrated chamfering and tapping apparatus according to the present invention;
the corresponding part names indicated by the numbers in the figures are as follows:
a bicycle frame middle tube 01; an operating platform 1; a chute 11; a clamping mechanism 2; a left clamping mechanism 21; a lower left clamp die 211; the left lower mold body 2111; a left lower die 2112; an upper left clamp die 212; a left upper mold body 2121; a left upper die head 2122; a left grip driving unit 213; a right clamping mechanism 22; a chamfering device 3; a chamfer feeding mechanism 31; a rotary drive element 32; a chamfering tool 33; a drilling device 4; a drill bit 41; a drill driving unit 42; a lift drive unit 43; a carriage 44; a lock member 45; a limiting mechanism 5; a cambered opening stamping device 6; an arcing feed mechanism 61; a slide rail 611; a slider 612; an arcing drive unit 613; and an arcing knife 62.
Detailed Description
In order to facilitate an understanding of the utility model, reference will now be made in detail to the present preferred embodiments of the utility model, examples of which are illustrated in the accompanying drawings, and the scope of the utility model is not limited to the specific embodiments described below. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In order to realize the purpose of the utility model, the technical scheme provided by the utility model is as follows:
in some embodiments, as shown in fig. 1, a chamfer and bore integrated device for a tube in a bicycle frame is disclosed, comprising: the bicycle frame comprises an operating platform 1, a clamping mechanism 2, a chamfering device 3 and a drilling device 4, wherein the operating platform 1 is arranged at the bottom, bears the clamping mechanism 2, the chamfering device 3 and the drilling device 4, and provides an operating space for chamfering and perforating a tube 01 in the bicycle frame; the clamping mechanism 2 comprises a left clamping mechanism 21 and a right clamping mechanism 22, and the left clamping mechanism 21 and the right clamping mechanism 22 are respectively used for clamping two ends of a middle pipe 01 of the bicycle frame to be temporarily fixed; the chamfering device 3 is arranged on one side of the clamping mechanism 2 and is used for chamfering the inner side or the outer side of a pipe orifice at one end of the middle pipe 01 of the bicycle frame; the drilling device 4 is arranged between the left clamping mechanism 21 and the right clamping mechanism 22 and is used for drilling holes at a preset position of the tube 01 in the bicycle frame.
The beneficial effect of adopting above-mentioned technical scheme is: fully considered among the prior art bicycle frame's well chamfer and trompil ubiquitous manufacturing procedure many in the course of working, repeated location, the problem of inefficiency, through setting up chamfer device 3, drilling equipment 4 carries out under the condition of interim fixed at fixture 2, chamfer device 3 carries out interior angle or exterior angle to bicycle frame well pipe 01's predetermined one end, drilling equipment 4 carries out the trompil to predetermined position, once fixing a position, accomplish two kinds of above-mentioned processing at least, processing procedure has been simplified, the number of times of fix a position has been reduced, and machining precision and production efficiency have effectively been improved.
In other embodiments, as shown in fig. 1, the left clamping mechanism 21 includes a left lower clamping mold 211, a left upper clamping mold 212, and a left clamping driving unit 213, wherein the left clamping driving unit 213 is connected to the left upper clamping mold 212 or the left lower clamping mold 211 for driving the left upper clamping mold 212 to clamp the left lower clamping mold 211 or driving the left lower clamping mold 211 to clamp the left upper clamping mold 212; the left lower clamping die 211 and the left upper clamping die 212 are clamped to form a clamping hole.
The beneficial effects of the above technical scheme are that: the left clamping driving unit 213 is arranged to drive the left lower clamping die 211 or the left upper clamping die 212 to clamp with the corresponding left lower clamping die 211 or the left upper clamping die 212, so that clamping holes are formed to clamp and fix the bicycle frame middle tube 01, rapid fixing and fixing releasing can be realized, operation is facilitated, and the processing efficiency is improved.
In other embodiments, as shown in fig. 1, the left lower clamp mold 211 includes a left lower mold body 2111 and a left lower mold head 2112, the left lower mold body 2111 is fixedly connected to the operation platform 1, and the left lower mold head 2112 is detachably connected to the left lower mold body 2111; the upper left clamping die 212 includes an upper left die body 2121 and an upper left die head 2122, the upper left die body 2121 is fixedly connected to the telescopic end of the left clamping driving unit 213, and the upper left die head 2122 is detachably connected to the upper left die body 2121.
The beneficial effects of the above technical scheme are that: set up left side die head 2112 and left side die body 2111 down and can dismantle the connection to and left side die head 2122 and left side die body 2121 can dismantle the connection, be convenient for according to the left side die head 2112 and the left side die head 2122 of the overall dimension quick replacement looks adaptation in the bicycle frame well 01, thereby satisfy the centre gripping needs of pipe 01 in the bicycle frame of different specifications, effectively expanded chamfer trompil integrated device's application scope.
In other embodiments, as shown in fig. 1, the chamfering device 3 includes a chamfering feed mechanism 31, a rotary driving element 32 and a chamfering tool 33, the chamfering feed mechanism 31 is in transmission connection with the rotary driving element 32 to provide a reciprocating feed driving force for the rotary driving element 32; the rotary driving element 32 is in transmission connection with the chamfering tool 33 and is used for providing a rotary driving force for the chamfering tool 33; the rotational center axis of the chamfering tool 33 coincides with the center axis of the nip hole.
The beneficial effects of the above technical scheme are that: the chamfer feeding mechanism 31 and the rotary driving element 32 are matched to drive the chamfer cutter 33 to move forwards and backwards at one end of the fixed bicycle frame middle tube 01, the chamfer cutter starts to rotate to chamfer when moving forwards in place, the chamfer cutter slowly feeds forwards according to the chamfer progress in the chamfer process, the chamfer cutter immediately stops rotating and retreats after the chamfer is finished, the chamfer machining is efficient and energy-saving, and automatic control is easy to realize.
In other embodiments, as shown in fig. 1, the chamfering and hole-opening integrated device further includes a limiting mechanism 5, and the limiting mechanism 5 is disposed on an outer side of the left clamping mechanism 21 facing away from the right clamping mechanism 22 or on an outer side of the right clamping mechanism 22 facing away from the left clamping mechanism 21 to limit a clamping position of the tube 01 in the bicycle frame.
The beneficial effects of the above technical scheme are that: the arrangement of the limiting mechanism 5 can obviously improve the positioning precision and the positioning speed, and the quality of the tube 01 in the bicycle frame is easy to control.
In other embodiments, as shown in fig. 1 and 2, the drilling device 4 includes a drill 41, a drilling driving unit 42, and an elevating driving unit 43, wherein the drill 41 is connected to the drilling driving unit 42, and the drilling driving unit 42 is connected to the elevating driving unit 43.
The beneficial effects of the above technical scheme are that: the drilling driving unit 42 and the lifting driving unit 43 are configured to provide the drill bit 41 with rotary power and drilling power for advancing and retreating, respectively, so as to facilitate automatic drilling.
In other embodiments, as shown in fig. 2, the operating platform 1 is provided with a sliding chute 11 laid along the axial direction of the bicycle frame middle tube 01, the drilling device 4 further comprises a sliding frame 44 and a locking member 45, the sliding frame 44 carries the fixed drill 41, the drilling driving unit 42 and the lifting driving unit 43, the bottom of the sliding frame 44 is slidably connected with the sliding chute 11, and the locking member 45 is provided on the sliding frame 44 for locking the sliding frame 44.
The beneficial effects of the above technical scheme are that: the sliding frame 44 and the sliding groove 11 are matched, so that the position of the drill bit 41 can be adjusted at any time according to the position of the circular hole in the axial direction, and the application range of the chamfering and perforating integrated device is further expanded.
In other embodiments, as shown in fig. 1 and 2, the chamfering and hole-opening integrated device further includes an arc-shaped opening punching device 6, and the arc-shaped opening punching device 6 is arranged on a side of the clamping mechanism 2, which is opposite to the chamfering device 3, and is used for punching an arc-shaped opening on one end of the bicycle frame tube 01, which is far away from the chamfer.
The beneficial effects of the above technical scheme are that: through setting up nock stamping device 6, can be under the condition that does not increase the location number of times, carry out nock stamping process and chamfer processing respectively with 3 cooperation of chamfering device from the both ends of well pipe, further promoted the processing work load of accomplishing in the process, further promoted the production efficiency of pipe 01 in the bicycle frame.
In other embodiments, as shown in fig. 1, the arc notch punching device 6 includes an arc punching feeding mechanism 61 and an arc punching cutter 62, the arc punching cutter 62 is disposed on the arc punching feeding mechanism 61, and the arc punching feeding mechanism 61 is connected to the operation platform 1.
The beneficial effects of the above technical scheme are that: due to the arrangement of the arc punching feeding mechanism 61, after the bicycle frame middle tube 01 is temporarily fixed, the arc punching cutter 62 is driven to quickly feed and punch, an arc opening is formed at the end part of the bicycle frame middle tube 01, the arc punching is efficient, and the automatic control is easy.
In other embodiments, as shown in fig. 1, the arc striking feed mechanism 61 includes a slide rail 611, a slider 612, and an arc striking drive unit 613; the sliding rail 611 is laid on the operating platform 1 along the direction vertical to the axis of the bicycle frame middle tube 01; the top of the sliding block 612 is fixedly connected with an arc punching cutter 62, and the bottom of the sliding block 612 is slidably connected with a sliding rail 611; the arcing drive unit 613 is drivingly connected to the slider 612.
The beneficial effects of the above technical scheme are that: by fixedly connecting the arc striking cutter 62 to the sliding block 612 and arranging the sliding rail 611 and the sliding block 612 in a matching way, on one hand, accurate guidance is provided for feeding of the arc striking cutter 62; on the other hand, the arcing tool 62 is more stable and reliable during feeding.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (10)
1. The utility model provides a chamfer trompil integrated device for pipe in bicycle frame which characterized in that includes: an operating platform, a clamping mechanism, a chamfering device and a drilling device,
the operating platform is arranged at the bottom, bears the clamping mechanism, the chamfering device and the drilling device, and provides an operating space for chamfering and drilling the tube in the bicycle frame;
the clamping mechanism comprises a left clamping mechanism and a right clamping mechanism, and the left clamping mechanism and the right clamping mechanism are respectively used for clamping two ends of a pipe in the bicycle frame to be temporarily fixed;
the chamfering device is arranged on one side of the clamping mechanism and is used for chamfering the inner side or the outer side of a pipe orifice at one end of the bicycle frame middle pipe;
the drilling device is arranged between the left clamping mechanism and the right clamping mechanism and used for drilling holes at the preset position of the tube in the bicycle frame.
2. The integrated chamfering and hole-opening device for the tube in the bicycle frame as claimed in claim 1, wherein the left clamping mechanism comprises a left lower clamping die, a left upper clamping die and a left clamping driving unit, the left clamping driving unit is connected with the left upper clamping die or the left lower clamping die and is used for driving the left upper clamping die to clamp with the left lower clamping die or driving the left lower clamping die to clamp with the left upper clamping die; and the left lower clamping die and the left upper clamping die are clamped to form a clamping hole.
3. The integrated chamfering and tapping device for the tube in the bicycle frame as claimed in claim 2, wherein the left lower clamping mold comprises a left lower mold body and a left lower mold head, the left lower mold body is fixedly connected with the operating platform, and the left lower mold head is detachably connected with the left lower mold body; the upper left clamping die comprises an upper left die body and an upper left die head, the upper left die body is fixedly connected with the telescopic end of the left clamping driving unit, and the upper left die head is detachably connected with the upper left die body.
4. The integrated chamfering and hole-opening device for the tube in the bicycle frame as claimed in claim 3, wherein the chamfering device comprises a chamfering feed mechanism, a rotary driving element and a chamfering tool, the chamfering feed mechanism is in transmission connection with the rotary driving element for providing a reciprocating feeding driving force for the rotary driving element; the rotary driving element is in transmission connection with the chamfering tool and is used for providing rotary driving force for the chamfering tool; the rotating central axis of the chamfering tool coincides with the central axis of the clamping hole.
5. The integrated chamfering and hole-opening device for the tube in the bicycle frame as claimed in claim 1, further comprising a limiting mechanism disposed at an outer side of the left clamping mechanism facing away from the right clamping mechanism or at an outer side of the right clamping mechanism facing away from the left clamping mechanism for limiting a clamping position of the tube in the bicycle frame.
6. The integrated apparatus of claim 1, wherein the drilling device comprises a drill, a drilling driving unit and a lifting driving unit, the drill is connected to the drilling driving unit, and the drilling driving unit is connected to the lifting driving unit.
7. The integrated apparatus for chamfering and perforating a tube in a bicycle frame as claimed in claim 6, wherein the operating platform is provided with a sliding groove along an axial direction of the tube in the bicycle frame, the drilling apparatus further comprises a sliding frame and a locking member, the sliding frame carries and fixes the drill, the drilling driving unit and the lifting driving unit, a bottom of the sliding frame is slidably connected with the sliding groove, and the locking member is provided on the sliding frame for locking the sliding frame.
8. The integrated chamfering and hole-punching device for the tube in the bicycle frame according to claim 1, further comprising an arc-shaped hole punching device, wherein the arc-shaped hole punching device is arranged on one side of the clamping mechanism, which is opposite to the chamfering device, and is used for punching an arc-shaped hole in one end, which is far away from the chamfer, of the tube in the bicycle frame.
9. The integrated chamfering and tapping device for the tube in the bicycle frame as claimed in claim 8, wherein said arc opening punching device comprises an arc punching feeding mechanism and an arc punching cutter, said arc punching cutter is disposed on said arc punching feeding mechanism, and said arc punching feeding mechanism is connected with said operating platform.
10. The integrated apparatus of claim 9, wherein the arc striking feed mechanism comprises a slide rail, a slide block, and an arc striking drive unit; the sliding rail is laid on the operating platform along the direction vertical to the axis of the middle pipe of the bicycle frame; the top of the sliding block is fixedly connected with the arc punching cutter, and the bottom of the sliding block is slidably connected with the sliding rail; the arc striking driving unit is in transmission connection with the sliding block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122865144.1U CN216730563U (en) | 2021-11-22 | 2021-11-22 | Chamfering and hole-opening integrated device for tube in bicycle frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122865144.1U CN216730563U (en) | 2021-11-22 | 2021-11-22 | Chamfering and hole-opening integrated device for tube in bicycle frame |
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| CN216730563U true CN216730563U (en) | 2022-06-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118635897A (en) * | 2024-08-12 | 2024-09-13 | 宁波锐丰模具制造有限公司 | Equipment for machining inner chamfer and hole of compressor piston |
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2021
- 2021-11-22 CN CN202122865144.1U patent/CN216730563U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118635897A (en) * | 2024-08-12 | 2024-09-13 | 宁波锐丰模具制造有限公司 | Equipment for machining inner chamfer and hole of compressor piston |
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