Runner structure and mold for injection molding of commutator framework

Abstract

The utility model discloses a runner structure and a mold for injection molding of a commutator framework, and relates to the technical field of commutator production. Comprising a main flow channel, a plurality of auxiliary flow channels are installed on the outer walls of the two sides of the main flow channel, and the auxiliary flow channels are distributed on the main flow channel in two arrangement modes. According to the utility model, the plurality of auxiliary runners are matched with the injection molding ports, so that a plurality of commutator frameworks can be conveniently injected at one time, the production efficiency of the commutator frameworks is improved, and the production efficiency of the commutator is improved; the number of fed materials to the auxiliary runner can be adjusted according to actual use requirements, then the number of injection molding commutator frameworks can be accurately adjusted and controlled, the effects of saving cost and improving the production efficiency of the commutator frameworks are achieved, and through the design that the three faces of the injection molding opening are inclined, the connecting strength of the injection molding opening and the commutator frameworks can be reduced; therefore, the injection molding opening can be cut off and separated in the mold.

Description

TECHNICAL FIELD

[0001] The utility model relates to a commutator production technical field, concretely is flow channel structure and mould for injection molding commutator framework. BACKGROUND

[0002] The commutator usually refers to a device used in a motor or other electrical equipment, mainly used for changing the direction of current, commonly used in DC motor, the role of commutator is to make the rotating direction of motor can change, thereby realizing the reverse operation of equipment, the commutator is made of commutator sheet and commutator framework, in the commutator production process, first need to produce commutator framework by the mode of injection molding.

[0003] The design of flow channel structure in the injection molding mould for producing commutator framework in the prior art is relatively simple, and a single injection molding flow channel is usually used to produce a single commutator framework, which is inconvenient for simultaneously producing multiple commutator frameworks, and inconvenient for adjusting the production of a single or multiple commutator frameworks according to actual use requirements, thereby existing the problems of low commutator framework production efficiency and inconvenient adjustment in the production process, thereby affecting the production efficiency of commutator, and thus the present application is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing flow channel structure and mould for injection molding commutator framework to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: flow channel structure for injection molding commutator framework, including main flow channel, a plurality of auxiliary flow channels are installed on the both sides outer walls of main flow channel, auxiliary flow channel is distributed on main flow channel through two kinds of arrangement, the top outer wall of main flow channel is installed with inlet, the both ends outer walls of main flow channel are installed with auxiliary mechanism, and the auxiliary mechanism is installed with adjusting mechanism, and the feeding of single or multiple auxiliary flow channels is completed through the cooperation of auxiliary mechanism and adjusting mechanism, the injection molding mouth for injection molding is installed on auxiliary flow channel, and the both sides outer walls and bottom outer wall of injection molding mouth are inclined surfaces.

[0006] Further, the auxiliary mechanism includes a detachable mounting seat installed on the outer wall of the main flow channel, a connecting pipe is installed on the outer wall of the mounting seat, a detachable circular plate is installed on the outer wall of the connecting pipe, a first telescopic rod is installed on the circular plate and located in the connecting pipe, a through slot is formed in the mounting seat, a cross bar is inserted into the through slot, a pressing plate is installed on the outer wall of the cross bar and located in the connecting pipe, a compression spring is installed between the pressing plate and the inner wall of the connecting pipe, and the compression spring surrounds the outer wall of the first telescopic rod.

[0007] Further, the adjusting mechanism comprises a rotating seat mounted on the cross bar, a rotating block is hinged in the rotating seat, two limiting plates are mounted on the outer wall of the rotating block, a connecting rod is mounted between the two limiting plates, an air bag is mounted between the two limiting plates, a pumping air pump is mounted on one of the limiting plates and communicates with the air bag, and the air bag is inflated to adhere to the inner wall of the main flow channel to complete the sealing of the main flow channel.

[0008] Further, the outer walls on both sides of the cross bar are each provided with an ear plate, a second telescopic rod is mounted on the outer wall of the ear plate and faces one end of the limiting plate, and a push plate is mounted on the piston rod of the second telescopic rod.

[0009] Further, one of the arrangement modes comprises that the auxiliary flow channels at both ends of the main flow channel correspond to each other, and the other arrangement mode comprises that the auxiliary flow channels at both ends of the main flow channel are staggered.

[0010] The mold for injection molding the commutator framework is made of the flow channel structure for injection molding the commutator framework.

[0011] Compared with the prior art, the mold for injection molding the commutator framework has the following beneficial effects:

[0012] The flow channel structure and the mold for injection molding the commutator framework can facilitate one-time injection molding of multiple commutator frameworks by the cooperation of the plurality of auxiliary flow channels and the injection port, so as to improve the production efficiency of the commutator framework and the production efficiency of the commutator, the number of feeding of the auxiliary flow channel can be adjusted according to the actual use demand by the cooperation of the auxiliary mechanism and the adjusting mechanism, so as to facilitate accurate control of the number of injection-molded commutator frameworks, so as to save cost and improve the production efficiency of the commutator framework, and the connection strength of the injection port and the commutator framework can be reduced by the three-side inclined design of the injection port, so as to facilitate the separation of the injection port in the mold.

[0013] Meanwhile, when the adjusting mechanism is subjected to pressure, the compression spring is extruded under the action of the cross bar, so that the feeding spreading speed in the main flow channel is slowed down, so as to facilitate sufficient filling of the auxiliary flow channel, improve the filling effect, and improve the quality of the commutator framework, the adjusting mechanism and the inner wall of the main flow channel can be more tightly adhered by the cooperation of the air bag and the pumping air pump, so as to improve the sealing effect, the feeding of a single auxiliary flow channel can be completed by the rotation function of the auxiliary mechanism and the adjusting mechanism through the corresponding arrangement mode, and the feeding of a single auxiliary flow channel can be completed only by the auxiliary mechanism through the staggered arrangement mode, and the specific use can be selected according to the actual use demand. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2 It is the main runner cross section structure schematic view of the utility model;

[0016] Figure 3 It is the A place amplification structure schematic view of the utility model;

[0017] Figure 4 It is the limiting plate cross section structure schematic view of the utility model;

[0018] Figure 5 It is the auxiliary runner structure schematic view of the utility model;

[0019] Figure 6 It is the injection molding mouth structure schematic view of the utility model.

[0020] In the drawing: 1, main runner; 2, feed inlet; 3, auxiliary mechanism; 301, mounting seat; 302, connecting pipe; 303, round plate; 304, first telescopic rod; 305, pressing plate; 306, cross bar; 4, auxiliary runner; 5, adjusting mechanism; 501, limiting plate; 502, air bag; 503, push plate; 504, second telescopic rod; 505, rotating seat; 506, beating air pump; 507, rotating block; 508, connecting rod; 6, injection molding mouth. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] In the production process of the commutator, the commutator skeleton and the commutating segment need to be produced first, and then the commutator is obtained by combining the commutator skeleton and the commutating segment. In the production process of the commutator skeleton, the commutator skeleton is usually produced by injection molding. The runner structure for injection molding and the mold are used for the production of the commutator skeleton in the process of injection molding.

[0023] As shown in Figures 1-6 The utility model provides a kind of technical scheme: the runner structure for injection molding commutator skeleton, including main runner 1, several auxiliary runners 4 are installed on the both sides outer wall of main runner 1, auxiliary runner 4 is distributed on main runner 1 by two kinds of arrangement, feed inlet 2 is installed on the top outer wall of main runner 1, auxiliary mechanism 3 is installed on the both ends outer wall of main runner 1, adjusting mechanism 5 is installed on auxiliary mechanism 3, the feeding of single or multiple auxiliary runner 4 is completed by auxiliary mechanism 3 cooperation adjusting mechanism 5, injection molding mouth 6 for injection molding is installed on auxiliary runner 4, the both sides outer wall and bottom outer wall of injection molding mouth 6 are inclined surface.

[0024] It should be noted that the whole flow channel structure is fed by connecting the injection port 6 with the injection molding machine, and the auxiliary flow channel 4 is matched with the injection port 6, so that multiple commutator skeletons can be injection molded at one time, the production efficiency of the commutator skeleton is improved, the production efficiency of the commutator is improved, the auxiliary mechanism 3 is matched with the adjusting mechanism 5, the number of the auxiliary flow channel 4 is adjusted according to the actual use demand, and then the number of the injection commutator skeleton is accurately controlled, so that the cost is saved and the production efficiency of the commutator skeleton is improved, and the connection strength of the injection port 6 and the commutator skeleton is reduced by the three-side inclined design of the injection port 6, so that the injection port 6 is cut off and separated in the mold.

[0025] As shown in Figure 3 , the auxiliary mechanism 3 comprises a detachable mounting seat 301 mounted on the outer wall of the main flow channel 1, a connecting pipe 302 is mounted on the outer wall of the mounting seat 301, a detachable circular plate 303 is mounted on the outer wall of the connecting pipe 302, a first telescopic rod 304 is mounted on the circular plate 303 and located in the connecting pipe 302, a through slot is formed in the mounting seat 301, a cross bar 306 is inserted into the through slot, a pressing plate 305 is mounted on the outer wall of the cross bar 306 and located in the connecting pipe 302, a compression spring is mounted between the pressing plate 305 and the inner wall of the connecting pipe 302, and the compression spring surrounds the outer wall of the first telescopic rod 304.

[0026] It should be noted that when the adjusting mechanism 5 is pressed, the compression spring is extruded under the action of the cross bar 306, the feeding spread speed in the main flow channel 1 is slowed down, so that the auxiliary flow channel 4 is filled sufficiently, the filling effect is improved, and the quality of the commutator skeleton is improved, and the position of the cross bar 306 is limited according to the actual use demand by the first telescopic rod 304, so that the multiple or single auxiliary flow channel 4 is fed, and the production of single or multiple commutator skeletons is completed.

[0027] As shown in Figure 3 and Figure 4 , the adjusting mechanism 5 comprises a rotating seat 505 mounted on the cross bar 306, a rotating block 507 is hinged in the rotating seat 505, two limiting plates 501 are mounted on the outer wall of the rotating block 507, a connecting rod 508 is mounted between the two limiting plates 501, an air bag 502 is mounted between the two limiting plates 501, one of the two limiting plates 501 is provided with a punching air pump 506 communicated with the air bag 502, and the main flow channel 1 is sealed by the inflation of the air bag 502 and the adhesion with the inner wall of the main flow channel 1.

[0028] It needs to be noted that the gap is left between the limiting plate 501 and the inner wall of the main flow channel 1, and the air bag 502 is arranged to cooperate with the air pump 506, so that the adjusting mechanism 5 is more closely attached to the inner wall of the main flow channel 1, which is beneficial to improve the sealing effect, and the rotating block 507 is arranged to cooperate with the rotating seat 505, so that the limiting plate 501 can realize the rotating effect.

[0029] As shown in Figure 3 The two sides of the horizontal rod 306 are provided with the ear plates, the second telescopic rods 504 are arranged on the outer wall of the ear plate and face one end of the limiting plate 501, and the push plates 503 are arranged on the piston rods of the second telescopic rods 504.

[0030] It needs to be noted that the rotating angle of the limiting plate 501 can be adjusted through the second telescopic rods 504 on the two sides of the horizontal rod 306 and the push plates 503, and the air bag 502 is arranged to cooperate with the air pump 506, so that the air bag 502 is attached to the inner wall of the main flow channel 1, and the sealing can be realized, so as to achieve the effect of feeding the single or multiple auxiliary flow channels 4.

[0031] As shown in Figure 1 and Figure 5 One of the arrangement modes includes that the auxiliary flow channels 4 at the two ends of the main flow channel 1 correspond to each other, and the other arrangement mode includes that the auxiliary flow channels 4 at the two ends of the main flow channel 1 are staggered.

[0032] It needs to be noted that the single auxiliary flow channel 4 can be fed through the rotating function of the above-mentioned auxiliary mechanism 3 and the adjusting mechanism 5 in the corresponding arrangement mode, the single auxiliary flow channel 4 can be fed only through the auxiliary mechanism 3 in the staggered arrangement mode, and the specific use can be selected according to the actual use requirement.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended embodiments and their equivalents.

Claims

1. A runner structure for injection moulding commutator frames, comprising a main runner (1), characterised in that: The both sides of the main flow channel (1) are provided with a plurality of auxiliary flow channels (4), the auxiliary flow channels (4) are distributed on the main flow channel (1) through two arrangement modes, the top outer wall of the main flow channel (1) is provided with a feeding port (2), the both ends of the outer wall of the main flow channel (1) are provided with auxiliary mechanisms (3), the auxiliary mechanisms (3) are provided with adjusting mechanisms (5), the auxiliary mechanisms (3) cooperate with the adjusting mechanisms (5) to complete feeding of single or multiple auxiliary flow channels (4), the auxiliary flow channels (4) are provided with injection ports (6) for injection molding, the both sides of the outer wall and the bottom outer wall of the injection port (6) are inclined surfaces.

2. The flow channel structure for an injection-molded commutator former according to claim 1, characterized in that: The auxiliary mechanism (3) comprises a detachable mounting seat (301) mounted on the outer wall of the main flow channel (1), the outer wall of the mounting seat (301) is provided with a connecting pipe (302), the outer wall of the connecting pipe (302) is provided with a detachable circular plate (303), the circular plate (303) is provided with a first telescopic rod (304) located in the connecting pipe (302), the mounting seat (301) is provided with a through slot, a cross rod (306) is inserted into the through slot, the outer wall of the cross rod (306) is provided with a pressing plate (305) located in the connecting pipe (302), a compression spring is mounted between the pressing plate (305) and the inner wall of the connecting pipe (302), and the compression spring surrounds the outer wall of the first telescopic rod (304).

3. The flow channel structure for an injection-molded commutator former according to claim 1, characterized in that: The adjusting mechanism (5) comprises a rotating seat (505) mounted on the cross rod (306), the rotating seat (505) is hinged with a rotating block (507), the outer wall of the rotating block (507) is provided with two limiting plates (501), a connecting rod (508) is mounted between the two limiting plates (501), an air bag (502) is mounted between the two limiting plates (501), one of the limiting plates (501) is provided with a pumping air pump (506) communicated with the air bag (502), the air bag (502) is inflated to be attached to the inner wall of the main flow channel (1) to complete sealing of the main flow channel (1).

4. The flow channel structure for injection molding a commutator former according to claim 3, characterized in that: The both sides of the outer wall of the cross rod (306) are provided with ear plates, the outer wall of the ear plate is provided with a second telescopic rod (504) towards one end of the limiting plate (501), and the piston rod of the second telescopic rod (504) is provided with a push plate (503).

5. The flow channel structure for injection molding a commutator former according to claim 1, characterized in that: One of the arrangement modes comprises that the auxiliary flow channels (4) at the both ends of the main flow channel (1) correspond to each other, and the other arrangement mode comprises that the auxiliary flow channels (4) at the both ends of the main flow channel (1) are staggered.

6. A mold for injection molding commutator skeletons, characterized in that: The flow channel structure for injection molding commutator skeletons is made by using the flow channel structure of any one of claims 1-5.

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