CN213968904U

CN213968904U - Bicycle rim die

Info

Publication number: CN213968904U
Application number: CN202022620155.9U
Authority: CN
Inventors: 李万刚
Original assignee: Suzhou Jingqiyao Intelligent Technology Co ltd
Current assignee: Suzhou Jingqiyao Intelligent Technology Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-08-17
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a bicycle ring mould, concretely relates to mould technical field, including external mold and centre form, the centre form inboard is equipped with rotary mechanism, rotary mechanism includes the transmission case, the centre form inboard is equipped with waterproof biax motor, waterproof biax motor top with be equipped with the outer tube, the outer tube top is equipped with the roof, the pole in the roof bottom mounting is equipped with. The utility model discloses a set up rotary mechanism, pour into the inside cooling of cavity between external mold and the centre form with the molten metal and solidify, at the in-process that solidifies, waterproof biax motor drive centre form rotates, and utilize second belt pulley, drive external mold and centre form antiport such as first belt pulley and gear, consequently, the external mold centre form of its outer end, the top cap all are in the state of removal in the solidification process of metal rim, with this rim and external mold, centre form, the contact surface of top cap after having avoided solidifying takes place the adhesion and leads to the rim to be difficult to the drawing of patterns.

Description

Bicycle rim die

Technical Field

The embodiment of the utility model provides a relate to mould technical field, concretely relates to bicycle ring mould.

Background

The bicycle is a green and environment-friendly vehicle, can also play the purpose of building up the health when green goes out, and the bicycle usually comprises a plurality of parts, and this just includes the rim, and the rim of bicycle usually is made by stainless steel or aluminum alloy material, and the shaping is poured in the mould.

The rim of bicycle requires that intensity is high, light in weight, and is impact-resistant, at the in-process of casting bicycle rim, need pour into the cavity of mould with the molten metal in, take out after it solidifies, after the rim solidifies, appear rim and mould inner wall adhesion phenomenon tighter easily, lead to the rim to be difficult to take out from the mould.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a bicycle rim mould, through setting up rotary mechanism, pour into the inside cooling solidification of cavity between external mold and the centre form with molten metal, at the in-process that solidifies, waterproof biax motor drive centre form rotates, and utilize second belt pulley, first belt pulley and gear etc. drive external mold and centre form antiport, consequently the external mold centre form of its outer end in the solidification process of metal rim, the top cap all is in the state of removal, rim and external mold after having avoided solidifying with this, the centre form, the contact surface of top cap takes place the adhesion and leads to the rim to be difficult to the drawing of patterns, with solve among the prior art appear rim and mould inner wall adhesion tight phenomenon easily after the rim solidifies and lead to the rim to be difficult to follow the problem that the mould took out.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a bicycle ring die comprises an outer die and an inner die, wherein the inner die is arranged on the inner side of the outer die, and a rotating mechanism is arranged on the inner side of the inner die;

the rotating mechanism comprises a transmission case, the transmission case is arranged at the bottom end of the outer mold and movably connected with the outer mold through a sliding rail, a waterproof double-shaft motor is arranged on the inner side of the inner mold, the waterproof double-shaft motor is fixedly arranged at the top end of the transmission case, the top of the waterproof double-shaft motor is provided with an outer tube, the outer tube is fixedly arranged at one end of one output shaft of the waterproof double-shaft motor, the top of the outer tube is provided with a top plate, the outer end of the top plate is fixedly connected with the inner side of the inner mold, the bottom end of the top plate is fixedly provided with an inner rod, one end of the inner rod extends into the outer tube, the top end of the outer mold is provided with a top cover, the top cover is connected with the outer mold through a bolt, the other output shaft of the waterproof double-shaft motor extends into the transmission case and is movably connected with the bottom end of the transmission case through a bearing, a second belt pulley is arranged in the transmission case, and the second belt pulley is fixedly arranged at the outer end of the other output shaft of the waterproof double-shaft motor, the utility model discloses a gear box, including gear shaft, external mold, gear shaft, first belt pulley, second belt pulley outer end is equipped with the belt, second belt pulley opposite side is equipped with the gear shaft, gear shaft one end is passed through bearing and the inside bottom swing joint of transmission case, the fixed first belt pulley that is equipped with in gear shaft outer end, the second belt pulley is connected through the belt with first belt pulley, gear shaft one end extends to the transmission case top, the fixed gear that is equipped with of gear shaft one end, the fixed ring gear that is equipped with in external mold outer end, the ring gear meshes with the gear mutually.

Furthermore, a spring is fixedly arranged at the bottom end inside the outer tube, and one end of the spring is fixedly connected with one end of the inner rod.

Further, a groove is formed in the bottom end of the inner die, a connecting ring is arranged inside the groove, the outer end of the connecting ring is in contact with the inner wall of the groove, the connecting ring is fixedly arranged at the bottom end inside the outer die, and a sealing ring is fixedly arranged at the top end of the connecting ring.

Further, a water injection pipe is fixedly arranged at the top end of the top plate, a valve is fixedly arranged on the water injection pipe, two gates are fixedly arranged at the top end of the top plate and are respectively arranged on two sides of the top plate, and a cover plate is arranged at the top end of each gate.

Furthermore, the two sides of the inner rod are both provided with connecting rods, the connecting rods are fixedly arranged at the outer ends of the inner rod, and one ends of the connecting rods are fixedly connected with the inner side of the inner die.

Furthermore, a heat insulation pad is fixedly arranged at the outer end of the outer die and arranged at the top of the gear ring.

The embodiment of the utility model provides a have following advantage:

the utility model discloses a set up rotary mechanism, pour into the inside cooling of cavity between external mold and the centre form with the molten metal and solidify, at the in-process that solidifies, waterproof biax motor drive centre form rotates, and utilize second belt pulley, drive external mold and centre form antiport such as first belt pulley and gear, consequently, the external mold centre form of its outer end in the solidification process of metal rim, the top cap all is in the state of removal, compare with prior art, rim and external mold after having avoided solidifying, centre form, the contact surface of top cap takes place the adhesion and leads to the rim to be difficult to the drawing of patterns.

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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a front view provided by the present invention;

fig. 2 is a cross-sectional view provided by the present invention;

fig. 3 is a top view provided by the present invention;

fig. 4 is a top cross-sectional view of the outer tube provided by the present invention;

FIG. 5 is an enlarged view of the portion A in FIG. 2 according to the present invention;

in the figure: the device comprises a transmission case 1, an outer mold 2, an inner mold 3, an inner rod 4, a sprue 5, a top cover 6, a top plate 7, a connecting rod 8, a spring 9, an outer tube 10, a waterproof double-shaft motor 11, a gear ring 12, a gear 13, a gear shaft 14, a first belt pulley 15, a belt 16, a second belt pulley 17, a connecting ring 18 and a sealing ring 19.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to the attached fig. 1-5 of the specification, the bicycle rim die of the embodiment comprises an outer die 2 and an inner die 3, wherein the inner die 3 is arranged inside the outer die 2, and a rotating mechanism is arranged inside the inner die 3;

the rotating mechanism comprises a transmission case 1, the transmission case 1 is arranged at the bottom end of an outer mold 2 and movably connected with the outer mold 2 through a sliding rail, a waterproof double-shaft motor 11 is arranged on the inner side of an inner mold 3, the waterproof double-shaft motor 11 is fixedly arranged at the top end of the transmission case 1, the top of the waterproof double-shaft motor 11 is provided with an outer tube 10, the outer tube 10 is fixedly arranged at one end of one output shaft of the waterproof double-shaft motor 11, a top plate 7 is arranged at the top of the outer tube 10, the outer end of the top plate 7 is fixedly connected with the inner side of the inner mold 3, an inner rod 4 is fixedly arranged at the bottom end of the top plate 7, one end of the inner rod 4 extends into the outer tube 10, a top cover 6 is arranged at the top end of the outer mold 2, the top cover 6 is connected with the outer mold 2 through a bolt, another output shaft of the waterproof double-shaft motor 11 extends into the transmission case 1 and is movably connected with the bottom end inside the transmission case 1 through a bearing, and a second belt pulley 17 is arranged inside the transmission case 1, second belt pulley 17 is fixed to be established in another output shaft outer end of waterproof double-shaft motor 11, second belt pulley 17 outer end is equipped with belt 16, second belt pulley 17 opposite side is equipped with gear shaft 14, the inside bottom swing joint of bearing and transmission case 1 is passed through to 14 one end of gear shaft, the fixed first belt pulley 15 that is equipped with in 14 outer ends of gear shaft, second belt pulley 17 is connected through belt 16 with

first belt pulley

15, 14 one end of gear shaft extends to 1 top of transmission case, the fixed gear 13 that is equipped with of 14 one end of gear shaft, the fixed ring gear 12 that is equipped with in 2 outer ends of external mold, ring gear 12 meshes with gear 13 mutually.

Further, a spring 9 is fixedly arranged at the bottom end inside the outer tube 10, one end of the spring 9 is fixedly connected with one end of the inner rod 4, the inner rod 4 and the top plate 7 are pulled through the elasticity of the spring 9, and the inner die 3 is further pulled to be tightly attached to the outer die 2.

Further, a groove is formed in the bottom end of the inner die 3, a connecting ring 18 is arranged in the groove, the outer end of the connecting ring 18 is in contact with the inner wall of the groove, the connecting ring 18 is fixedly arranged at the bottom end of the inner portion of the outer die 2, and a sealing ring 19 is fixedly arranged at the top end of the connecting ring 18 so as to connect the outer die 2 and the inner die 3.

Further, 7 fixed water injection pipes that are equipped with in top of roof, the last fixed valve that is equipped with of water injection pipe, 6 fixed two runners 5, two of being equipped with in top cap top the runner 5 is established respectively in 7 both sides of roof, 5 tops of runner are equipped with the apron, through water injection pipe to 3 inboard water injections of centre form to this cooling for the metal solidifies.

Further, the two sides of the inner rod 4 are both provided with connecting rods 8, the connecting rods 8 are fixedly arranged at the outer ends of the inner rod 4, one ends of the connecting rods 8 are fixedly connected with the inner side of the inner die 3, and therefore the connection between the inner rod 4 and the inner die 3 is reinforced.

Furthermore, the outer end of the outer die 2 is fixedly provided with a heat insulation pad which is arranged at the top of the gear ring 12, so that heat is insulated to avoid scalding.

The implementation scenario is specifically as follows: the top cover 6 is placed at the top ends of the outer mold 2 and the inner mold 3, the top cover 6 and the outer mold 2 are fixed by bolts, then molten metal is poured into a cavity between the outer mold 2 and the inner mold 3 through the pouring gate 5, meanwhile, cold water is poured into the inner side of the inner mold 3 through the water injection pipe at the top end of the top plate 7 so as to cool the molten metal, then the waterproof double-shaft motor 11 is opened, the waterproof double-shaft motor 11 drives the outer pipe 10 to slowly rotate at a constant speed in the inner side of the inner mold 3, the outer pipe 10 further drives the inner rod 4 to rotate, one end of the inner rod 4 is fixed at the bottom end of the top plate 7, the inner rod 4 is connected with the inner side of the inner mold 3 through the connecting rod 8 at the outer end, therefore, under the driving of the inner rod 4, the inner mold 3 starts to slowly rotate, meanwhile, under the driving of the waterproof double-shaft motor 11, the second belt pulley 17 rotates in the transmission case 1, and drives the first belt pulley 15 to rotate through the belt 16 at the outer end of the second belt pulley 17, the first belt pulley 15 is fixed at the outer end of the gear shaft 14, so the gear shaft 14 rotates with the first belt pulley 15 and drives the gear 13 to rotate, the gear 13 is meshed with the gear ring 12 fixed at the outer end of the outer die 2, so the gear 13 drives the gear ring 12 and further drives the outer die 2 to rotate, the top cover 6 is fixed at the top end of the outer die 2, so the top cover 6 rotates with the outer die 2, the second belt pulley 17 and the outer tube 10 rotate under the driving of the waterproof double-shaft motor 11, so the second belt pulley 17 rotates in the same direction with the outer tube 10 and the inner die 3, the second belt pulley 17 is connected with the first belt pulley 15 through the belt 16, the first belt pulley 15 rotates coaxially with the gear 13, so the second belt pulley 17 rotates in the same direction with the gear 13, but the gear 13 is meshed with the gear ring 12, so the gear ring 12 and the outer die 2 rotate in the opposite direction with the inner die 3, and molten metal is poured into the cavity between the outer die 2 and the inner die 3 to be cooled and solidified by arranging a rotating mechanism, in the solidification process, the waterproof double-shaft motor 11 drives the inner mold 3 to rotate, and the second belt pulley 17, the first belt pulley 15, the gear 13 and the like are utilized to drive the outer mold 2 and the inner mold 3 to rotate in the opposite direction, so that the outer mold 2, the inner mold 3 and the top cover 6 at the outer end of the metal rim are both in a moving state in the solidification process of the metal rim, the phenomenon that the rim is difficult to demould due to the fact that the contact surfaces of the solidified rim and the outer mold 2, the inner mold 3 and the top cover 6 are adhered is avoided, and the problem that the rim is difficult to take out from the mold due to the fact that the phenomenon that the rim is tightly adhered to the inner wall of the mold is easy to occur after the rim is solidified in the prior art is specifically solved by the implementation mode.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a bicycle ring mould, includes external mold (2) and internal mold (3), internal mold (3) are established at external mold (2) inboard, its characterized in that: a rotating mechanism is arranged on the inner side of the inner mold (3);

the rotating mechanism comprises a transmission case (1), the transmission case (1) is arranged at the bottom end of an outer die (2) and movably connected with the outer die (2) through a sliding rail, a waterproof double-shaft motor (11) is arranged on the inner side of the inner die (3), the waterproof double-shaft motor (11) is fixedly arranged at the top end of the transmission case (1), the top of the waterproof double-shaft motor (11) is provided with an outer tube (10), the outer tube (10) is fixedly arranged at one end of one output shaft of the waterproof double-shaft motor (11), the top of the outer tube (10) is provided with a top plate (7), the outer end of the top plate (7) is fixedly connected with the inner side of the inner die (3), the bottom of the top plate (7) is fixedly provided with an inner rod (4), one end of the inner rod (4) extends to the inside of the outer tube (10), the top end of the outer die (2) is provided with a top cover (6), and the top cover (6) is connected with the outer die (2) through a bolt, the other output shaft of waterproof double-shaft motor (11) extends to the inside of transmission case (1) and passes through bearing swing joint with the inside bottom of transmission case (1), the inside second belt pulley (17) that is equipped with of transmission case (1), second belt pulley (17) are fixed to be established in another output shaft outer end of waterproof double-shaft motor (11), second belt pulley (17) outer end is equipped with belt (16), second belt pulley (17) opposite side is equipped with gear shaft (14), gear shaft (14) one end is through bearing and the inside bottom swing joint of transmission case (1), the fixed first belt pulley (15) that is equipped with in gear shaft (14) outer end, second belt pulley (17) are connected through belt (16) with first belt pulley (15), gear shaft (14) one end extends to transmission case (1) top, gear shaft (14) one end is fixed and is equipped with gear (13), the outer end of the outer die (2) is fixedly provided with a gear ring (12), and the gear ring (12) is meshed with a gear (13).

2. The bicycle rim mold of claim 1, wherein: the bottom end inside the outer tube (10) is fixedly provided with a spring (9), and one end of the spring (9) is fixedly connected with one end of the inner rod (4).

3. The bicycle rim mold of claim 1, wherein: the bottom end of the inner die (3) is provided with a groove, a connecting ring (18) is arranged in the groove, the outer end of the connecting ring (18) is in contact with the inner wall of the groove, the bottom end of the outer die (2) is fixedly arranged on the connecting ring (18), and a sealing ring (19) is fixedly arranged at the top end of the connecting ring (18).

4. The bicycle rim mold of claim 1, wherein: roof (7) top is fixed and is equipped with the water injection pipe, the fixed valve that is equipped with on the water injection pipe, top cap (6) top is fixed and is equipped with two runner (5), two runner (5) are established respectively in roof (7) both sides, runner (5) top is equipped with the apron.

5. The bicycle rim mold of claim 1, wherein: the inner rod (4) is provided with connecting rods (8) on two sides, the connecting rods (8) are fixedly arranged at the outer end of the inner rod (4), and one end of each connecting rod (8) is fixedly connected with the inner side of the inner die (3).

6. The bicycle rim mold of claim 1, wherein: and a heat insulation pad is fixedly arranged at the outer end of the outer die (2) and is arranged at the top of the gear ring (12).