CN214022934U

CN214022934U - Forming die of electric bicycle frame girder pipe

Info

Publication number: CN214022934U
Application number: CN202023214463.8U
Authority: CN
Inventors: 涂正东
Original assignee: Wuxi Jinzhengda Industry And Trade Co ltd
Current assignee: Wuxi Jinzhengda Industry And Trade Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-24
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a forming die of electric bicycle frame girder pipe, including base, supporting component, axle head positioning mechanism, axle head stop gear and drift mechanism, be provided with the supporting component on the base, the radial bearing girder pipe of supporting component, axle head positioning mechanism sets up on the base, just the circumferencial direction and the axial one end of axle head positioning mechanism location girder pipe, axle head stop gear sets up the other end at the girder pipe, just the girder pipe passes through axle head stop gear axial relatively fixed on axle head positioning mechanism, a plurality of groups drift mechanism sets up in the girder pipe along radial interval, just drift mechanism is along the girder pipe that punches a hole, can be in the high efficiency processing the time, promotes the machining precision in line hole.

Description

Forming die of electric bicycle frame girder pipe

Technical Field

The utility model belongs to electric motor car processing field, in particular to forming die of electric bicycle frame girder pipe.

Background

As shown in the attached figure 1, a main beam pipe 1 on a frame is provided with a wire inlet hole 1a and a wire outlet hole 1b for passing a connecting wire harness, and the top end of the main beam pipe 1 is welded with a frame head pipe, so that the top end of the main beam pipe comprises a connection notch 1c with a diagonal plane. At present, the hole punching operation of the main beam pipe is generally carried out by a handheld punching machine and a punching machine for quick processing, although a processing speed block is poor in precision, and the axial direction, the circumferential direction angle and the position degree of a wire inlet hole and a wire outlet hole cannot be consistent.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides an electric bicycle frame girder pipe's forming die can be in high efficiency processing, the machining precision in lifting line hole.

The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a forming die of electric bicycle frame girder pipe, includes base, supporting component, axle head positioning mechanism, axle head stop gear and drift mechanism, be provided with the supporting component on the base, the radial bearing girder pipe of supporting component, axle head positioning mechanism sets up on the base, just circumferencial direction and the axial one end of axle head positioning mechanism location girder pipe, axle head stop gear sets up the other end at the girder pipe, just the girder pipe passes through axle head stop gear axial relatively fixed on axle head positioning mechanism, a plurality of groups drift mechanism sets up in the girder pipe along radial interval, just drift mechanism is along the girder pipe that punches a hole.

Further, axle head positioning mechanism includes first axle end inner core axle and sets up the circumference setting element on the first axle end inner core axle body of rod, first axle end inner core axle is inserted and is established in the one end inner chamber of girder pipe and axial positioning girder pipe, the profile shape of circumference setting element matches the setting with the profile shape of being connected the opening of girder pipe, the girder pipe passes through circumference setting element restriction circumferential direction.

Further, axle head stop gear includes second axle end inner core axle, axle head spacing ring and dabber mounting, second axle end inner core axle is inserted and is established in the other end inner chamber of girder pipe, the coaxial cover of axle head spacing ring is established in the outer lane of second axle end inner core axle and the axial displacement of spacing girder pipe, second axle end inner core axle passes through dabber mounting and base relatively fixed setting.

Furthermore, the rod body of the second shaft end inner mandrel is radially perforated, the base is concavely provided with a positioning concave hole corresponding to the positioning perforation, the mandrel fixing part is of a rod body structure, and one end of the mandrel fixing part penetrates through the positioning perforation and then is movably inserted into the positioning concave hole.

Furthermore, the first shaft end inner core shaft is provided with a concave die hole corresponding to the wire inlet hole, the second shaft end inner core shaft is provided with a concave die hole corresponding to the wire outlet hole, and the shape of the concave die hole is matched with that of the punch.

Furthermore, the supporting component comprises a plurality of supporting blocks, arc-shaped positioning grooves are concavely arranged on the supporting blocks corresponding to the pipe body of the main beam pipe, and the supporting blocks are arranged in the punching direction corresponding to the punch mechanism respectively.

Has the advantages that: the utility model discloses a shaft end positioning mechanism carries out shaft end location and circumference location to the girder pipe, carries out axial spacing and centre gripping through shaft end stop gear to the other end of girder pipe, punches a hole processing to the girder pipe through drift mechanism, can be in high efficiency processing, the machining precision in hoisting line hole.

Drawings

FIG. 1 is a conventional frame structure of the utility model;

FIG. 2 is a perspective view of the overall structure of the present invention;

FIG. 3 is a schematic half-sectional view of the overall structure of the present invention;

fig. 4 is an exploded view of the shaft end positioning mechanism and the main beam pipe of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 2 to 4, the forming die for the main beam tube of the electric bicycle frame comprises a base 6, a supporting component 2, a shaft end positioning mechanism 3, a shaft end limiting mechanism 4 and a punch mechanism 5, wherein the supporting component 2 is arranged on the base 6, the supporting component 2 radially supports the main beam tube 1, the supporting component 2 comprises a plurality of supporting blocks 20, arc-shaped positioning grooves 21 are concavely arranged on the supporting blocks 20 corresponding to the tube body of the main beam tube 1, and the supporting blocks 20 are respectively arranged corresponding to the punching direction of the punch mechanism 5. The shaft end positioning mechanism 3 is arranged on the base 6, the shaft end positioning mechanism 3 positions the circumferential direction and one axial end of the main beam pipe 1, the shaft end limiting mechanism 4 is arranged at the other end of the main beam pipe 1, the main beam pipe 1 is axially and relatively fixed on the shaft end positioning mechanism 3 through the shaft end limiting mechanism 4, the shaft end positioning and circumferential positioning are carried out on the main beam pipe through the shaft end positioning mechanism, the other end of the main beam pipe is axially limited and clamped through the shaft end limiting mechanism, the installation process is very simple and convenient, the operation is fast, a plurality of groups of punch mechanisms 5 are arranged at the main beam pipe 1 along the radial direction, the punch mechanisms 5 punch the main beam pipe 1 along the radial direction, the punch mechanisms 5 are respectively arranged corresponding to the wire inlet hole 1a and the wire outlet hole 1b, the main beam pipe is punched through the punch mechanisms, and the high-efficiency processing is realized, and the machining precision of the axial direction and the axial position degree of the lifting wire hole.

Shaft end positioning mechanism 3 includes first axle end inner core axle 7 and sets up circumference setting element 8 on the 7 body of rod of first axle end inner core axle, first axle end inner core axle 7 is inserted and is established in the one end inner chamber of girder pipe 1 and axial positioning girder pipe 1, first axle end inner core axle 7 is the axostylus axostyle body with girder pipe inner wall adaptation, contain the radial bulge loop of location girder pipe 1 tip on the first axle end inner core axle 7, the profile shape of circumference setting element 8 matches the setting with the profile shape of being connected opening 1c of girder pipe 1, girder pipe 1 passes through circumference setting element 8 restriction circumferential direction, through the rotation degree of freedom of circumference setting element 8 restriction girder pipe 1.

The shaft end limiting mechanism 4 comprises a second shaft end inner core shaft 9, a shaft end limiting ring 10 and a core shaft fixing part 11, the second shaft end inner core shaft 9 is inserted into an inner cavity at the other end of the main beam pipe 1, the second shaft end inner core shaft 9 is a shaft rod body matched with the inner wall of the main beam pipe 1, the shaft end limiting ring 10 is coaxially sleeved on the outer ring of the second shaft end inner core shaft 9 and limits the axial displacement of the main beam pipe 1, the second shaft end inner core shaft 9 is relatively fixedly arranged with the base 6 through the core shaft fixing part 11, and the limited second shaft end inner core shaft 9 and the limited first shaft end inner core shaft 7 clamp the main beam pipe 1.

The utility model discloses a positioning structure, including base 6, second axle end inner spindle 9, the body of rod is last to have seted up location perforation 12 along radially lining up, correspond location perforation 12 on the base 6 and concavely be equipped with location shrinkage pool 13, dabber mounting 11 is the body of rod structure, just the activity is inserted and is established in location shrinkage pool 13 after the location perforation 12 is passed to the one end of dabber mounting 11, and simple structure, and it is very convenient fast to operate to promote whole installing and removing and unloading efficiency.

The first shaft end inner core shaft 7 is provided with a concave die hole 15 corresponding to the wire inlet hole 1a, the second shaft end inner core shaft 9 is provided with a concave die hole 15 corresponding to the wire outlet hole 1b, the shape of the concave die hole 15 is matched with that of the punch 16, and the wire holes 1a and 1b are punched through interaction of the punch 16 and the concave die hole 15. The punch mechanism 5 comprises a telescopic mechanism and a punch 16 arranged on the telescopic mechanism, and the telescopic mechanism is a hydraulic oil cylinder.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a forming die of electric bicycle frame girder pipe which characterized in that: including base (6), supporting component (2), axle head positioning mechanism (3), axle head stop gear (4) and drift mechanism (5), be provided with supporting component (2) on base (6), radial bearing girder pipe (1) of supporting component (2), axle head positioning mechanism (3) set up on base (6), just the circumferencial direction and the axial one end of axle head positioning mechanism (3) location girder pipe (1), axle head stop gear (4) set up the other end at girder pipe (1), just girder pipe (1) is fixed relatively on axle head positioning mechanism (3) through axle head stop gear (4) axial, a plurality of groups drift mechanism (5) set up in girder pipe (1) along radial interval, just drift mechanism (5) are along the girder pipe (1) that punches a hole.

2. The forming die of the electric bicycle frame main beam pipe according to claim 1, characterized in that: shaft end positioning mechanism (3) are in including primary shaft end inner core axle (7) and setting circumferential direction setting element (8) on the primary shaft end inner core axle (7) body of rod, primary shaft end inner core axle (7) are inserted and are established in the one end inner chamber of girder pipe (1) and axial positioning girder pipe (1), the profile shape of circumferential direction setting element (8) matches the setting with the profile shape of being connected opening (1c) of girder pipe (1), girder pipe (1) is through circumferential direction setting element (8) restriction circumferential direction.

3. The forming die of the electric bicycle frame main beam pipe as claimed in claim 2, wherein: shaft end stop gear (4) include second shaft end inner core axle (9), axle head spacing ring (10) and dabber mounting (11), second shaft end inner core axle (9) are inserted and are established in the other end inner chamber of girder pipe (1), the axial displacement of axle head spacing ring (10) coaxial cover in the outer lane of second shaft end inner core axle (9) and spacing girder pipe (1), second shaft end inner core axle (9) pass through dabber mounting (11) and base (6) relatively fixed setting.

4. The forming die of the electric bicycle frame main beam pipe as claimed in claim 3, wherein: the positioning through hole (12) is radially perforated on the rod body of the second shaft end inner mandrel (9), a positioning concave hole (13) is concavely arranged on the base (6) corresponding to the positioning through hole (12), the mandrel fixing piece (11) is of a rod body structure, and one end of the mandrel fixing piece (11) penetrates through the positioning through hole (12) and then is movably inserted into the positioning concave hole (13).

5. The forming die of the electric bicycle frame main beam pipe as claimed in claim 3, wherein: the first shaft end inner core shaft (7) is provided with a concave die hole (15) corresponding to the wire inlet hole (1a), the second shaft end inner core shaft (9) is provided with a concave die hole (15) corresponding to the wire outlet hole (1b), and the shape of the concave die hole (15) is matched with that of the punch (16).

6. The forming die of the electric bicycle frame main beam pipe according to claim 1, characterized in that: the supporting component (2) comprises a plurality of supporting blocks (20), arc-shaped positioning grooves (21) are concavely arranged on the supporting blocks (20) corresponding to the pipe body of the main beam pipe (1), and the supporting blocks (20) are arranged in the punching direction corresponding to the punch mechanism (5) respectively.