CN213317445U

CN213317445U - Mould is used in processing of bicycle bridge piece

Info

Publication number: CN213317445U
Application number: CN202022032652.7U
Authority: CN
Inventors: 顾振兵
Original assignee: Taicang Fufei Er Hardware Products Co Ltd
Current assignee: Taicang Fufei Er Hardware Products Co Ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-06-01
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a mould is used in processing of bicycle bridge piece, including last mould and lower mould, set up in go up the die on the mould, set up in terrace die on the lower mould, go up the mould with the both sides of lower mould are all inwards sunken to form the spread groove, the terrace die include two convex parts that are crescent, set up respectively in the first bead and the second bead of convex part both sides, set up in two first arch between the convex part, with the second that the convex part is connected is protruding. The beneficial effects of the utility model are that, through being provided with each part above terrace die and the die and them, go up the forging and pressing between the lower mould, can be with the integrative forging and pressing shaping of bicycle bridge piece, the bridge piece completeness that the forging and pressing came out is good, does not need the welding, labour saving and time saving, and the bridge piece dimensional error who processes out is little, will go up mould and lower mould through the machine and extrude together, and labour saving and time saving effectively uses manpower costs, and the bridge piece intensity of producing moreover is also very high.

Description

Mould is used in processing of bicycle bridge piece

Technical Field

The utility model relates to a bicycle bridge piece processing technology field, especially a mould is used in bicycle bridge piece processing.

Background

The bicycle, also known as a bicycle or a bicycle, is a two-wheeled small land vehicle, is a green and environment-friendly vehicle which is powered by pedaling after people ride on the bicycle and can be used as an environment-friendly vehicle for riding instead of walking and going out; the demand of bicycle is higher and higher, also higher and higher to the production requirement of bicycle, and the bicycle bridge piece is as the important subassembly of bicycle, and its production adds man-hour needs to use special mould, and current processing mould is generally through the mode of direct weld, and this kind of mode is more troublesome, and is consuming time, and the cost of using current mould to process production is higher, and the shaping effect of product is also not good, and product strength is lower, can't satisfy masses' demand, consequently needs a new mould to improve this kind of situation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a mould is designed for processing bicycle bridge piece.

The technical scheme of the utility model be, a mould is used in bicycle axle piece processing, including last mould and lower mould, still include, set up in go up the die on the mould, set up in terrace die on the lower mould, go up the mould with the both sides of lower mould are all inwards sunken to form the spread groove, the terrace die include two convex parts that are crescent, set up in first bead and the second bead of convex part both sides respectively, set up in two first arch between the convex part, with the second arch that the convex part is connected, wherein the second arch is kept away from first arch, first arch and two be connected between the convex part, first arch is trapezoidal, the convex part is located first arch with between the second arch, first arch with the bellied vertical length of second equals, the convex part with first bead, first bead, And a little distance is reserved between the second convex ridges.

As a further explanation of the present invention, the middle of the convex part is recessed downwards to form a groove in a U shape, and the groove passes through the first convex edge, the convex part and the second convex edge in sequence.

As a further explanation of the present invention, the first protruding edge and the second protruding edge face the surface of the convex part is arc-shaped.

As a further explanation of the present invention, the first convex edge middle portion is protruded upward to form a convex strip, wherein the convex strip is in a truncated pyramid shape, and the convex strip is close to the convex section in a U-shape.

As a further explanation of the present invention, the female die comprises two crescent concave lobes, a first concave ridge and a second concave ridge connected to both ends of the concave lobe, two concave ridges, a first concave ridge between the convex lobes, and a second concave ridge connected to the concave lobe, wherein the second concave ridge is away from the first concave ridge.

As a further explanation of the present invention, the middle portion of the first concave edge is recessed downward to form a concave strip.

As a further explanation of the present invention, the female die and the male die are respectively located on the opposite surfaces of the upper die and the lower die, and the male die and the female die are corresponding to each other.

Its beneficial effect lies in, through being provided with each part above terrace die and the die and their, go up the forging and pressing between the lower mould, can be with the integrative forging and pressing shaping of bicycle bridge piece, the bridge piece integrality that the forging and pressing came out is good, do not need the welding, labour saving and time saving, each part size and shape above terrace die and the die and their are strict designs according to the size and the shape of bridge piece, consequently laminate completely with the bridge piece, the bridge piece dimensional error that processing came out is little, will go up mould and lower mould through the machine and extrude together, labour saving and time saving effectively saves the human cost, and the bridge piece intensity of producing out is also very high, the utility model discloses simple structure, the practicality is strong, easy operation.

Drawings

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

fig. 2 is a schematic structural view of the upper die of the present invention;

fig. 3 is a schematic structural view of the lower mold of the present invention;

fig. 4 is a schematic view of another perspective structure of the lower mold of the present invention;

fig. 5 is a partially enlarged schematic view of fig. 4 according to the present invention;

FIG. 6 is a schematic structural view of the bridge piece of the present invention;

FIG. 7 is a schematic view of another structure of the bridge plate according to the present invention;

in the figure, 1, an upper die; 2. a lower die; 3. a female die; 301. a concave lobe; 302. a first concave edge; 3021. concave strips; 303. a second concave edge; 304. a first recess; 305. a second recess; 4. a male die; 401. A convex lobe; 402. a first rib; 4021. a convex strip; 403. a second rib; 404. a first protrusion; 405. a second protrusion; 406. a groove; 5. connecting grooves; 6. a bridge piece.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings, as shown in fig. 1-7, a mold for processing a bicycle bridge plate comprises an upper mold 1 and a lower mold 2, a female mold 3 disposed on the upper mold 1, a male mold 4 disposed on the lower mold 2, wherein both sides of the upper mold 1 and the lower mold 2 are recessed to form a connecting groove 5, wherein the female mold 3 and the male mold 4 are respectively disposed on the opposite surfaces of the upper mold 1 and the lower mold 2, and the positions of the female mold and the male mold are vertically corresponding, the male mold 4 and the female mold 3 are matched with each other, that is, when forging, the male mold 4 will forge a pressing member to extrude in the female mold 3.

The male die 4 comprises two crescent-shaped convex lobes 401, a first convex rib 402 and a second convex rib 403 which are respectively arranged at two sides of each convex lobe 401, a first protrusion 404 which is arranged between the two convex lobes 401, and a second protrusion 405 which is connected with the convex lobes 401, wherein the second protrusion 405 is far away from the first protrusion 404, the first protrusion 404 is connected with the two convex lobes 401, the first protrusion 404 is trapezoidal, each convex lobe 401 is arranged between the first protrusion 404 and the second protrusion 405, the vertical lengths of the first protrusion 404 and the second protrusion 405 are equal, and a little distance exists between each convex lobe 401 and each of the first convex lobe 402 and the second convex lobe 403; the middle of the convex lobe 401 is recessed downwards to form a U-shaped groove 406, and the groove 406 sequentially passes through the first convex rib 402, the convex lobe 401 and the second convex rib 403, so that the vertical length of the bottom surface of the groove 406 is greater than that of the middle part of the convex lobe 401; the surfaces of the first rib 402 and the second rib 403 facing the lobe 401 are both arc-shaped, the radian of the surfaces corresponds to the crescent shape of the lobe 401, the middle part of the first rib 402 protrudes upwards to form a protruding strip 4021 compared with other parts, the protruding strip 4021 is in a frustum of a prism shape, the protruding strip 4021 is close to the direction facing away from the lobe 401, the protruding strip 401 is sunken to be in a U shape, the U shape corresponds to the groove 406, the two sides of the U shape are chamfered, and the first rib 402 and the second rib 403 have the other parts which are not obvious but slightly protruding than the protruding strip 4021 of the lower die 2.

The female die 3 comprises two crescent-shaped lobes 301, a first concave ridge 302 and a second concave ridge 303 respectively connected with two ends of the lobes 301, a first concave 304 arranged between the two lobes 301, and a second concave 305 connected with the lobes 301, wherein the second concave 305 is far away from the first concave 304, the middle part of the first concave ridge 302 is concave downwards to form a concave strip 3021, each part of the female die 3 corresponds to each part of the male die 4, namely, the convex part of the male die 4 corresponds to the concave part of the female die 3, for example, the shapes and the sizes of the lobes 401 and the lobes 301 are the same, but the concave grooves 406 are arranged in the lobes 401, and the lobes 401 are flat, so that because the contact part of the forged bridge piece 6 and the lobes 301 is a plane, and the contact part of the lobes 401 except the concave grooves 406 is extruded, the corresponding portions are overlapped to each other, so that the bridge piece 6 can be formed by extruding the forged and pressed piece.

The working principle is as follows: fixed mounting both on forging and pressing machine through the spread groove 5 of last mould 1 and 2 both sides of lower mould, then place the forging and pressing spare on lower mould 2, go up mould 1 and extrude lower mould 2, the coincidence extrusion between terrace die 4 and the die 3, forge and press repeatedly, and final bridge piece integrated into one piece obtains bicycle bridge piece 6.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The utility model provides a mould is used in bicycle bridge piece processing, includes mould (1) and lower mould (2), its characterized in that still includes, set up in die (3) on last mould (1), set up terrace die (4) on lower mould (2), go up mould (1) with the both sides of lower mould (2) are inside sunken to form spread groove (5), terrace die (4) include two convex lamella (401) that are crescent, set up respectively in first bead (402) and second bead (403) of convex lamella (401) both sides, set up in two first arch (404) between convex lamella (401), with second arch (405) that convex lamella (401) are connected, wherein second arch (405) are kept away from first arch (404), first arch (404) with two be connected between convex lamella (401), first arch (404) are trapezoidal, the convex lobe (401) is located between the first protrusion (404) and the second protrusion (405), the vertical length of the first protrusion (404) is equal to that of the second protrusion (405), and a little distance is reserved between the convex lobe (401) and the first rib (402) and the second rib (403).

2. The mold for machining a bicycle bridge plate according to claim 1, wherein the lobes (401) are recessed downward at the center to form a U-shaped groove (406), and the groove (406) passes through the first rib (402), the lobes (401) and the second rib (403) in sequence.

3. The mold for machining a bicycle bridge plate according to claim 1, wherein the faces of the first rib (402) and the second rib (403) facing the lobes (401) are curved.

4. The mold for processing a bicycle bridge plate of claim 1, wherein the middle portion of the first rib (402) is upwardly protruded to form a rib (4021), wherein the rib (4021) has a truncated pyramid shape, and the rib (4021) has a U-shaped shape adjacent to the lobe (401).

5. The mold for machining a bicycle bridge plate according to claim 1, wherein the female mold (3) comprises two crescent-shaped lobes (301), a first concave ridge (302) and a second concave ridge (303) respectively connected with two ends of the lobes (301), a first concave depression (304) arranged between the two lobes (401), and a second concave depression (305) connected with the lobes (301), wherein the second concave depression (305) is far away from the first concave depression (304).

6. The mold for machining a bicycle bridge disc as claimed in claim 5, wherein the middle portion of the first recessed rib (302) is recessed downward to form a recessed strip (3021).

7. The die for machining a bicycle bridge plate according to claim 1, wherein the female die (3) and the male die (4) are respectively located on opposite surfaces of the upper die (1) and the lower die (2), and the male die (4) and the female die (3) correspond.