CN204621010U - Electric wheelchair brake base mould - Google Patents

Abstract

The utility model discloses a kind of electric wheelchair brake base mould, comprise moving platen, the solid plate that coordinates can be carried out with described moving platen, be fixedly connected with the dynamic model seat be arranged on bottom described moving platen, can be arranged on to oscilaltion the ejecting mechanism for delivery between described moving platen and described dynamic model seat, described mould also has the mouth of a river for spraying into liquid wax, due to the design feature of the utility model electric wheelchair brake base of casting as required, the dynamic model of the die cavity consistent with the part shape of the electric wheelchair brake base needing casting can be formed by arranging to work in coordination, cover half, this mould structure is simple, easy to operate, the wax-pattern of the electric wheelchair brake base comparatively doing precision can be obtained.

Description

Electric wheelchair brake base mold

technical field

The utility model relates to a mold for a brake base of an electric wheelchair.

Background technique

The electric wheelchair brake base is an important part of the electric wheelchair. Its shape is relatively complex, and the processing accuracy is very high. The traditional machining method is used to produce parts. The process is complicated and the production efficiency is low. It needs to obtain the parts blank by casting. , and then get the parts through finishing. Before casting, it is necessary to obtain the casting model of the part through wax injection, and it is necessary to design a special wax injection mold to realize it.

Contents of the invention

The purpose of the utility model is to provide an electric wheelchair brake base mold with high production efficiency.

In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: electric wheelchair brake base mould, including a movable template, a fixed template capable of cooperating with the movable template, a movable mold seat fixedly connected to the bottom of the movable template, The ejector mechanism for taking the mold can be arranged between the movable template and the movable mold holder up and down. The mold also has a nozzle for spraying liquid wax. The movable template is provided with a first A groove, a second groove is provided on the fixed template corresponding to the first groove, and the first groove and the second groove form a cavity that is consistent with the outer dimensions of the electric wheelchair brake base , the middle part of the first groove has a protruding and movable first protrusion, and the ejection mechanism includes a take-up module that can be lifted up and down between the movable die base and the movable template, and is fixedly arranged on the Take the ejector rod on the upper surface of the module, the upper end of the ejector rod is fixedly connected with the first convex part, and the middle part of the first groove is located at the ends of the left and right sides to respectively open a third groove and a fourth recess. groove, the fifth groove and the sixth groove are arranged on the fixed template corresponding to the third groove and the fourth groove of the movable template, and the first groove is respectively provided with the first groove on its upper and lower parts. seven grooves and eighth grooves, the ninth groove and the tenth groove are arranged on the fixed template corresponding to the seventh groove and the eighth groove of the movable template, and the seventh groove and the first groove The nine grooves are combined to form a cylindrical channel, and the eighth groove and the tenth groove are combined to form a cylindrical channel. The first insert in the third groove and the fifth groove, the second insert in the fourth groove and the sixth groove can be matedly inserted into the seventh recess The groove and the first insertion rod in the ninth groove can be inserted into the eighth groove and the second insertion rod in the tenth groove in a cooperative manner.

Preferably, the movable template is respectively provided with a first positioning hole and a second positioning hole in the middle of the third groove and the fourth groove, and the fixed template is corresponding to the fifth groove. A first through hole is opened at the position of the first positioning hole, a second through hole is opened at the position corresponding to the second positioning hole on the sixth groove of the fixed template, and a second through hole is opened on the first insert block. There is a third positioning hole corresponding to the first positioning hole and the first through hole, and a fourth positioning hole corresponding to the second positioning hole and the second through hole is opened on the second plug block. The fixed template is also provided with a first positioning pin that can be inserted into the first through hole, the first positioning hole, and the third positioning hole in a cooperative manner, and can be inserted into the second through hole, the second positioning hole, and the second positioning pin in a cooperative manner. Second locating pin in four locating holes.

Preferably, the nozzle is communicated with the first flow channel on the movable platen and the second flow channel on the fixed platen, the first flow channel and the second flow channel are arranged in a staggered manner, and the movable platen A first storage tank communicating with the first flow channel and the first groove is also provided, and a second storage tank communicating with the second flow channel and the second groove is also provided on the fixed plate.

Due to the application of the above-mentioned technical solutions, the utility model has the following advantages compared with the prior art:

Due to the structural characteristics of the electric wheelchair brake base that requires wax injection according to the utility model, the movable mold and the fixed mold that can form a cavity that is consistent with the shape of the parts of the electric wheelchair brake base that needs wax injection can be formed by arranging mutual cooperation. It is simple and easy to operate, and can obtain a wax model of the brake base of the electric wheelchair with high precision.

Description of drawings

Accompanying drawing 1 is the schematic diagram of electric wheelchair brake base;

Accompanying drawing 2 is the movable model schematic diagram of the present utility model;

Accompanying drawing 3 is the fixed mold schematic diagram of the utility model;

Accompanying drawing 4 is the utility model schematic diagram.

Detailed ways

The utility model will be further described below in conjunction with the embodiment shown in the accompanying drawings:

Embodiment 1: Referring to the accompanying drawings 2-4, the electric wheelchair brake base mold includes a movable template 1, a fixed template 2 capable of cooperating with the movable template 1, a movable mold base 3 fixedly connected to the bottom of the movable template 1, The ejector mechanism for taking the mold can be arranged between the movable template 1 and the movable mold seat 3 up and down. The mold also has a nozzle 4 for spraying liquid wax. The movable template 1 is provided with a first groove 11. A second groove 21 is provided on the fixed template corresponding to the first groove 11, and the first groove 11 and the second groove 21 form a cavity that is consistent with the external dimensions of the electric wheelchair brake base. The first groove 11 There is a protruding first protruding part 12 in the middle, and the ejector mechanism includes a take-up module 5 that can be lifted up and down between the movable mold base 3 and the movable template 1, and a ejector rod that is fixedly arranged on the upper surface of the take-out module. , the upper end of the ejector rod is fixedly connected with the first convex part 12, the middle part of the first groove 11 is located at the left and right sides of the first groove 11, and the third groove 13 and the fourth groove 14 are opened respectively, and the fixed template corresponds to the movable template 1. The third groove 13 and the fourth groove 14 are provided with a fifth groove 22 and a sixth groove 23, and the first groove 11 is respectively provided with a seventh groove 15 and an eighth groove 16 at its upper and lower parts. The fixed template is provided with a ninth groove 25 and a tenth groove 26 corresponding to the seventh groove 15 and the eighth groove 16 of the movable template 1, and the seventh groove 15 and the ninth groove 25 are combined to form a cylinder Shaped channel, the eighth groove 16 and the tenth groove 26 combine to form a cylindrical channel, and the mold also includes a third groove 13 and a fifth groove that can be inserted into the third groove 13 and the fifth groove when the movable template 1 and the fixed template 2 are closely matched. The first insert 61 in 22, the second insert 62 that can fitly insert into the fourth groove 14 and the sixth groove 23, and the second insert that can fitly insert into the seventh groove 15 and the ninth groove 25 An inserting rod 71 , a second inserting rod 72 capable of being matedly inserted into the eighth groove 16 and the tenth groove 26 .

The movable template is provided with a first positioning hole 17 and a second positioning hole 18 respectively in the middle of the third groove 13 and the fourth groove 14, and the fixed template 2 is provided with a position corresponding to the first positioning hole 17 on the fifth groove 22. There is a first through hole 26, and the fixed template 2 is provided with a second through hole 27 at the position corresponding to the second positioning hole 18 on the sixth groove 23, and the first plug block 61 is provided with the first positioning hole 17, the first The third positioning hole 63 corresponding to the through hole 26, the second plug block 62 is provided with a fourth positioning hole 64 corresponding to the second positioning hole 18 and the second through hole 27, and the fixed template 2 is also provided with a The first positioning pin 65 in the first through hole 26, the first positioning hole 17, and the third positioning hole 63 can be matedly inserted into the second through hole 27, the second positioning hole 18, and the second positioning pin in the fourth positioning hole 64. Locating pin 66.

The nozzle 4 communicates with the first flow channel 51 on the movable platen 1 and the second flow channel 52 on the fixed platen 2. The first flow channel 51 and the second flow channel 52 are arranged to be staggered from each other. 51 and the first storage tank 19 of the first groove 11 , and the second storage tank 28 communicating with the second channel 52 and the second groove 21 is also provided on the fixed plate 2 .

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to enable those familiar with this technology to understand the content of the present utility model and implement it accordingly, and not to limit the protection scope of the present utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (3)

1. electric wheelchair brake base mould, comprise moving platen (1), the solid plate (2) that coordinates can be carried out with described moving platen (1), be fixedly connected with the dynamic model seat (3) being arranged on described moving platen (1) bottom, can be arranged on to oscilaltion the ejecting mechanism for delivery between described moving platen (1) and described dynamic model seat (3), described mould also has the mouth of a river (4) for spraying into liquid wax, it is characterized in that: described moving platen (1) offers the first groove (11), on described solid plate, corresponding described first groove (11) place offers the second groove (21), described first groove (11) and the second groove (21) form the die cavity consistent with the appearance and size of described electric wheelchair brake base, the middle part of described first groove (11) has first protuberance (12) of protruding activity setting, described ejecting mechanism comprises the delivery block (5) that can be arranged on to oscilaltion between dynamic model seat (3) and moving platen (1), be fixedly installed on the push rod on described delivery block upper surface, described push rod upper end is fixedly connected with described first protuberance (12), described first groove (11) middle part is positioned at its end, left and right sides and offers the 3rd groove (13) respectively, 4th groove (14), 3rd groove (13) of corresponding described moving platen (1) on described solid plate, 4th groove (14) place is provided with the 5th groove (22), 6th groove (23), described first groove (11) is located thereon portion, bottom offers the 7th groove (15) respectively, 8th groove (16), 7th groove (15) of corresponding described moving platen (1) on described solid plate, 8th groove (16) place is provided with the 9th groove (25), tenth groove (26), cylindrical channel is formed after described 7th groove (15) and the 9th groove (25) are harmonious, cylindrical channel is formed after described 8th groove (16) and the tenth groove (26) are harmonious, described mould is also included in first inserted block (61) that can to insert ordinatedly when described moving platen (1) closely cooperates mutually with solid plate (2) in described 3rd groove (13) and the 5th groove (22), described 4th groove (14) and the second inserted block (62) in described 6th groove (23) can be inserted ordinatedly, described 7th groove (15) and the first inserted link (71) in described 9th groove (25) can be inserted ordinatedly, described 8th groove (16) and the second inserted link (72) in described tenth groove (26) can be inserted ordinatedly.

2. electric wheelchair brake base mould according to claim 1, it is characterized in that: described moving platen offers the first locating hole (17) respectively at described 3rd groove (13) and the centre of described 4th groove (14), second locating hole (18), described solid plate (2) offers the first through hole (26) in the position of upper corresponding described first locating hole (17) of described 5th groove (22), described solid plate (2) offers the second through hole (27) in the position of upper corresponding described second locating hole (18) of described 6th groove (23), described first inserted block (61) offers and described first locating hole (17), the 3rd locating hole (63) that first through hole (26) is corresponding, described second inserted block (62) offers and described second locating hole (18), the 4th locating hole (64) that second through hole (27) is corresponding, described solid plate (2) is also provided with and can inserts described first through hole (26) ordinatedly, first locating hole (17), the first alignment pin (65) in 3rd locating hole (63), described second through hole (27) can be inserted ordinatedly, second locating hole (18), the second alignment pin (66) in 4th locating hole (64).

3. electric wheelchair brake base mould according to claim 1, it is characterized in that: the described mouth of a river (4) are communicated with the first flow (51) on described moving platen (1) and the second runner (52) on described solid plate (2), described first flow (51) and described second runner (52) stagger setting mutually, described moving platen (1) is also provided with the first accumulator tank (19) being communicated with described first flow (51) and described first groove (11), described solid plate (2) is also provided with the second accumulator tank (28) being communicated with described second runner (52) and described second groove (21).