A multi-station injection mold for processing a molded case circuit breaker base and a processing method thereof

Abstract

The application discloses a kind of multi-station injection mould for processing moulded case circuit breaker base and processing method thereof, it is related to moulded case circuit breaker base injection molding technical field, to solve the technical problem of low production efficiency that traditional injection molding device usually only has single station or a few stations, including base, the base top is arranged with injection molding mechanism;The injection molding mechanism includes four limit rods, drive unit and locking unit;Four The limit rods are fixedly connected in symmetrical structure on the top of base.By setting drive unit, multi-station workpiece injection can be realized, and by bearing ring, it can prevent the bearing plate from tilting during pressure injection process due to different stress points, affecting the service life of the device, at the same time, through locking unit, if the mold shakes during injection molding, it will affect the injection molding of moulded case circuit breaker base, the application has the functions of multi-station injection molding and convenient replacement of mold, which is beneficial to improve the injection molding efficiency of the device.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of injection molding of molded case circuit breaker bases, and more particularly to a multi-station injection molding mold for processing molded case circuit breaker bases and a processing method thereof. BACKGROUND

[0002] In the production of molded case circuit breakers, base processing is crucial, and the performance of the injection molding mold directly affects the quality and production efficiency of the base. The traditional injection molding mold has many problems in actual use and is difficult to meet the current production needs. The multi-station injection molding mold has obvious advantages in injection efficiency, mold stability, product quality, and mold replacement convenience, providing a solid guarantee for efficient and high-quality production of molded case circuit breaker bases and strongly promoting the development of the molded case circuit breaker production industry.

[0003] Currently, traditional injection molding devices usually have only a single station or a few stations, and can only inject one or a small number of workpieces at a time, resulting in low production efficiency and being unable to meet the needs of large-scale production. In view of this, we propose a multi-station injection molding mold for processing molded case circuit breaker bases. SUMMARY

[0004] The purpose of the present application is to provide a multi-station injection molding mold for processing molded case circuit breaker bases to solve the technical problem of low production efficiency of traditional injection molding devices which usually have only a single station or a few stations.

[0005] To solve the above technical problems, the present application provides the following technical solution: a multi-station injection molding mold for processing molded case circuit breaker bases, comprising a base, the base top is arranged with an injection molding mechanism;

[0006] The injection molding mechanism comprises four limiting rods, a driving unit and a locking unit; the four limiting rods are fixedly connected in a symmetrical structure on the top of the base, and the locking unit is arranged on the top of the base;

[0007] Four hydraulic modules are fixedly connected to the top of the limiting rods, a hydraulic rod is fixedly connected inside the hydraulic module, a bearing plate is slidably connected to the four limiting rods, and the hydraulic rod is drivingly connected to the bearing plate. Each limiting rod is movably sleeved with a first spring at the bottom, each first spring is fixedly connected with a bearing ring at the top, and the bearing ring is movably contacted with the bearing plate. The present application can realize multi-station injection molding through the driving unit, and can prevent the bearing plate from tilting due to different stress points during the injection process, affecting the service life of the device. At the same time, through the locking unit, the mold can be prevented from shaking during the injection process, affecting the injection molding of the molded case circuit breaker base. The present application has the functions of multi-station injection molding and convenient mold replacement, which is beneficial to improve the injection efficiency of the device;

[0008] The driving unit comprises two toothed plates which are fixedly connected in a symmetrical structure to the inner wall of a bearing plate, and an adjusting block is slidably connected inside the bearing plate;

[0009] Two gears are movably connected in a symmetrical structure to the inside of the adjusting block through first pins, and the two gears are meshingly connected, the gears are meshingly connected with the toothed plates, and an upper die is fixedly connected to the bottom of the adjusting block.

[0010] Preferably, two movable pins are inserted in a symmetrical structure on one side of the upper die, and a nut is threadedly connected to one end of each movable pin, a motor is fixedly connected to the top of the adjusting block, and the motor is drivingly connected with one of the gears.

[0011] Preferably, the locking unit comprises a slide rail which is fixedly connected to the top of the base, and a plurality of notches are linearly arranged on the top of the slide rail.

[0012] Preferably, an insertion plate is movably connected inside each notch through a first pin, and two second springs are fixedly connected in a symmetrical structure to the bottom of each insertion plate.

[0013] Preferably, a plurality of lower dies are slidably connected to the top of the slide rail, and the lower dies correspond in position to the notches, an insertion slot is formed in the bottom of each lower die, and an insertion plate is inserted into the insertion slot, and a pouring pipe is fixedly connected to one side of each lower die.

[0014] A processing method of a multi-station injection mold for processing a molded case circuit breaker base, comprising the following steps:

[0015] S1, injection preparation: clean the inside of the lower die by using a special cleaning agent, install the injection mold in the inside of the upper die, then fix the injection mold in the inside of the upper die through the movable pins and the nuts, and finally place the injection material in the melting device for melting;

[0016] S2, injection molding of the molded case circuit breaker base;

[0017] S2.1, installation of the mold: slide the lower die to one side on the slide rail, at this time, exert a force on the insertion plate through the second spring to make the insertion plate inclined, and insert the insertion plate into the insertion slot so that it cannot be removed from the slide rail;

[0018] S2.2, the plastic shell circuit breaker base multi-station injection molding: first through the external circuit mechanism makes the motor work, the motor drives one gear rotation, and through the gear mesh transmission, makes two gears rotate synchronously, because the gear is meshed with the toothed plate, the adjusting block slides in the bearing plate, and corresponds to one of the lower mold positions, then through the external hydraulic system, the hydraulic rod works, the hydraulic rod exerts force on the bearing plate, the bearing plate slides down through the limiting rod, so that one of the lower molds is tightly fitted with the upper mold, and through the external control system, the injection molding material flows into the inside through the pouring pipe, injection molding is realized.

[0019] Compared with the prior art, the beneficial effects of the present application are:

[0020] The present application can realize multi-station workpiece injection molding by setting the driving unit, and can prevent the bearing plate from tilting due to different stress points during pressure injection, affecting the service life of the device, and at the same time, through the locking unit, the mold shakes during injection molding, affecting the injection molding of the plastic shell circuit breaker base, the present application has the functions of multi-station injection molding and convenient mold replacement, which is beneficial to improve the injection efficiency of the device. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is a three-dimensional structure schematic diagram of the present application;

[0022] Fig. 2 It is a three-dimensional structure schematic diagram of the injection molding mechanism of the present application;

[0023] Fig. 3 It is a three-dimensional enlarged structure schematic diagram of the driving unit of the present application;

[0024] Fig. 4 It is a three-dimensional enlarged structure schematic diagram of the locking unit of the present application.

[0025] Explanation of reference numerals in the drawing: 1, base; 2, injection molding mechanism; 201, limiting rod; 202, hydraulic module; 203, hydraulic rod; 204, bearing plate; 205, first spring; 206, bearing ring; 3, driving unit; 301, toothed plate; 302, adjusting block; 303, gear; 304, upper mold; 305, movable pin; 306, nut; 307, motor; 4, locking unit; 401, sliding rail; 402, notch; 403, plugboard; 404, second spring; 405, lower mold; 406, slot; 407, pouring pipe. DETAILED DESCRIPTION

[0026] As Figs. 1 to 4 shown, the present application relates to a multi-station injection mold for plastic shell circuit breaker base machining and a machining method thereof, which comprises a base 1, and an injection molding mechanism 2 arranged on the top of the base 1;

[0027] The injection mechanism 2 comprises four limiting rods 201, a driving unit 3 and a locking unit 4; the four limiting rods 201 are fixedly connected in a symmetrical structure at the top of the base 1, and the locking unit 4 is arranged at the top of the base 1;

[0028] The top of each limiting rod 201 is fixedly connected with a hydraulic module 202, the hydraulic module 202 is fixedly connected with a hydraulic rod 203 inside, the four limiting rods 201 are commonly and slidably connected with a bearing plate 204, the hydraulic rod 203 is in transmission connection with the bearing plate 204, the bottom of each limiting rod 201 is movably sleeved with a first spring 205, the top of each first spring 205 is fixedly connected with a bearing ring 206, and the bearing ring 206 is in movable contact with the bearing plate 204, the driving unit 3 is arranged, so that multi-station workpiece injection can be realized, the bearing ring 206 can prevent the bearing plate 204 from tilting due to different stress points during pressure injection, and the service life of the device is affected, meanwhile, the locking unit 4 is arranged, so that the mold shakes during injection, which affects the injection molding of the molded case circuit breaker base, the injection efficiency of the device is improved.

[0029] In the embodiment of the application, the driving unit 3 comprises two toothed plates 301 fixedly connected in a symmetrical structure on the inner wall of the bearing plate 204, the bearing plate 204 is slidably connected with an adjusting block 302 inside, the adjusting block 302 is movably connected with two gears 303 in a symmetrical structure inside through a first pin, the two gears 303 are in meshing connection, the gears 303 are in meshing connection with the toothed plates 301, the adjusting block 302 is fixedly connected with an upper mold 304 at the bottom, the upper mold 304 is inserted with two movable pins 305 in a symmetrical structure on one side, the two movable pins 305 are threadedly connected with nuts 306 at one end, the adjusting block 302 is fixedly connected with a motor 307 at the top, and the motor 307 is in transmission connection with one of the gears 303.

[0030] In the embodiment of the application, the locking unit 4 comprises a sliding rail 401 fixedly connected at the top of the base 1, a plurality of slot openings 402 are linearly arranged at the top of the sliding rail 401, each slot opening 402 is movably connected with an insertion plate 403 inside through a first pin, each insertion plate 403 is fixedly connected with two second springs 404 in a symmetrical structure at the bottom, a plurality of lower molds 405 are slidably connected at the top of the sliding rail 401, and the lower molds 405 correspond to the slot openings 402 in position, the lower molds 405 are provided with insertion grooves 406 at the bottom, and the insertion plates 403 are inserted into the insertion grooves 406, and each lower mold 405 is fixedly connected with a pouring pipe 407 on one side.

[0031] Embodiment 2: A processing method of a multi-station injection mold for processing a molded case circuit breaker base, comprising the following steps:

[0032] S1, injection preparation: through the special cleaning agent, the inside of the lower mold 405 is cleaned, and the injection mold is installed in the upper mold 304, and then the movable pin 305 and the nut 306 are used to fix the injection mold in the upper mold 304, and finally the injection material is placed in the melting device for melting;

[0033] S2, plastic shell circuit breaker base injection;

[0034] S2.1, install the mold: the lower mold 405 is slid to one side on the slide rail 401, at this time, the second spring 404 is used to exert force on the plug-in plate 403 to make the plug-in plate 403 inclined, the plug-in plate 403 is inserted in the plug-in groove 406, and the plug-in plate 403 cannot be removed from the slide rail 401;

[0035] S2.2, multi-station injection molding of the plastic shell circuit breaker base: first, the motor 307 is made to work through the external circuit mechanism, the motor 307 drives one of the gears 303 to rotate, and the two gears 303 are made to rotate synchronously through gear meshing transmission, since the gears 303 are meshed and connected with the toothed plate 301, the adjusting block 302 is made to slide in the bearing plate 204 and correspond to the position of one of the lower molds 405, then the hydraulic rod 203 is made to work through the external hydraulic system, the hydraulic rod 203 exerts force on the bearing plate 204, the bearing plate 204 is made to slide downward through the limiting rod 201, so that one of the lower molds 405 is tightly fitted with the upper mold 304, and the injection material is made to flow into the inside through the pouring pipe 407 through the external control system, so that injection molding is realized.

[0036] The embodiments of the present application are disclosed, but the present application is not limited to the embodiments, and those skilled in the art can easily understand the spirit of the present application according to the above embodiments, and make different inferences and changes, as long as the spirit of the present application is not deviated, the present application is within the protection scope of the present application.

Claims

1. A multi-station injection mold for processing molded case circuit breaker bases, characterized in that, Includes a base (1), on the top of which an injection molding mechanism (2) is arranged; The injection molding mechanism (2) includes four limiting rods (201), a drive unit (3) and a locking unit (4); the four limiting rods (201) are fixedly connected to the top of the base (1) in a symmetrical structure, and the locking unit (4) is arranged on the top of the base (1); A hydraulic module (202) is fixedly connected to the top of each of the four limiting rods (201). A hydraulic rod (203) is fixedly connected inside the hydraulic module (202). A load-bearing plate (204) is slidably connected to the four limiting rods (201). The hydraulic rod (203) is connected to the load-bearing plate (204) in a transmission connection. A first spring (205) is movably sleeved at the bottom of each limiting rod (201). A bearing ring (206) is fixedly connected to the top of each first spring (205). The bearing ring (206) is in movable contact with the load-bearing plate (204). The drive unit (3) includes two toothed plates (301), which are fixedly connected to the inner wall of the load-bearing plate (204) in a symmetrical structure. An adjusting block (302) is slidably connected inside the load-bearing plate (204). The adjusting block (302) has two gears (303) movably connected in a symmetrical structure through a first pin, and the two gears (303) are meshed. The gears (303) are meshed with the toothed plate (301). The bottom of the adjusting block (302) is fixedly connected to an upper mold (304). The locking unit (4) includes a slide rail (401), which is fixedly connected to the top of the base (1). The top of the slide rail (401) has several slots (402) arranged in a linear array. Each slot (402) is movably connected to a plate (403) via a first pin, and each plate (403) has two second springs (404) fixedly connected to its bottom in a symmetrical structure. The top of the slide rail (401) is slidably connected to several lower molds (405), and the lower molds (405) correspond to the slots (402). The bottom of the lower molds (405) is provided with slots (406), and the insert plate (403) is inserted into the slots (406). Each lower mold (405) is fixedly connected to a casting pipe (407) on one side.

2. The multi-station injection mold for processing molded case circuit breaker bases according to claim 1, characterized in that, The upper mold (304) has two movable pins (305) inserted into one side in a symmetrical structure. One end of each movable pin (305) is threaded with a nut (306). The top of the adjusting block (302) is fixedly connected to a motor (307), and the motor (307) is connected to one of the gears (303) in a transmission connection.

3. A method for processing a multi-station injection mold for processing a molded case circuit breaker base, applicable to the multi-station injection mold for processing a molded case circuit breaker base as described in claim 2, characterized in that... Includes the following steps: S1. Injection preparation: Clean the inside of the lower mold (405) with a special cleaning agent, and install the injection mold inside the upper mold (304). Then, fix the injection mold inside the upper mold (304) with the movable pin (305) and nut (306). Finally, place the injection material in the melting equipment for melting. S2, Molded case circuit breaker base injection molding; S2.1 Install the mold: Slide the lower mold (405) on the slide rail (401) to one side. At this time, the second spring (404) applies a force to the insert plate (403), causing the insert plate (403) to tilt. The insert plate (403) is inserted into the slot (406), making it impossible for it to be moved out of the slide rail (401). S2.2 Multi-station injection molding of molded case circuit breaker base: First, the motor (307) is started by the external circuit mechanism. The motor (307) drives one of the gears (303) to rotate. Through gear meshing, the two gears (303) rotate synchronously. Since the gear (303) is meshed with the tooth plate (301), the adjusting block (302) slides inside the load-bearing plate (204) and corresponds to the position of one of the lower molds (405). Then, the hydraulic rod (203) is started by the external hydraulic system. The hydraulic rod (203) applies force to the load-bearing plate (204). The load-bearing plate (204) slides down through the limiting rod (201) so that one of the lower molds (405) fits tightly with the upper mold (304). Through the external control system, the injection molding material flows into its interior through the pouring pipe (407) to achieve injection molding.

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