Multi-station injection mold for machining molded case circuit breaker base and machining method of multi-station injection mold

Abstract

The invention discloses a multi-station injection mold for machining a molded case circuit breaker base and a machining method of the multi-station injection mold, relates to the technical field of injection molding of molded case circuit breaker bases, and aims to solve the technical problems that a traditional injection molding device generally only has a single station or a few stations and is low in production efficiency, the multi-station injection mold comprises a base, and an injection molding mechanism is arranged at the top of the base; the injection molding mechanism comprises four limiting rods, a driving unit and a locking unit; the four limiting rods are fixedly connected to the top of the base in a symmetrical structure. By arranging the driving unit, multi-station workpiece injection molding can be achieved, the bearing plate can be prevented from inclining and affecting the service life of the device due to the fact that stress points are different in the pressure injection process through the bearing ring, meanwhile, by means of the locking unit, in the injection molding process, a mold shakes, injection molding of a molded case circuit breaker base is affected, and the service life of the molded case circuit breaker base is prolonged. The multi-station injection molding device has the functions of multi-station injection molding, convenience in mold replacement and the like, and the injection molding efficiency of the device is improved.

Description

Technical Field

[0001] The invention relates to the technical field of injection molding of a molded case circuit breaker base, and more specifically to a multi-station injection mold for processing a molded case circuit breaker base and a processing method thereof. Background Art

[0002] In the production of molded case circuit breakers, base processing is crucial, and the performance of the injection mold directly affects the quality and production efficiency of the base; traditional injection molds have many problems in actual use and are difficult to meet current production needs. Multi-station injection molds have obvious advantages in injection efficiency, mold stability, product quality and mold replacement convenience, which provides a solid guarantee for the efficient and high-quality production of molded case circuit breaker bases and strongly promotes the development of the molded case circuit breaker production industry.

[0003] At present, 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. The production efficiency is low and cannot meet the needs of large-scale production. In view of this, we propose a multi-station injection mold for processing the base of molded case circuit breaker. Summary of the invention

[0004] The object of the present invention is to provide a multi-station injection mold for processing a molded case circuit breaker base, so as to solve the technical problem that a traditional injection molding device usually has only a single station or a few stations and has low production efficiency.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a multi-station injection mold for processing a molded case circuit breaker base, comprising a base, and an injection mechanism is arranged on the top of the base; The injection molding mechanism includes four limit rods, a driving unit and a locking unit; the four limit rods are fixedly connected to the top of the base in a symmetrical structure, and the locking unit is arranged on the top of the base; The tops of the four limit rods are fixedly connected with a hydraulic module, and the inside of the hydraulic module is fixedly connected with a hydraulic rod. The four limit rods are slidably connected to a load-bearing plate, and the hydraulic rod is transmission-connected to the load-bearing plate. The bottom of each limit rod is movably sleeved with a first spring, and the top of each first spring is fixedly connected with a bearing ring, and the bearing ring is in movably contact with the load-bearing plate. The present invention can realize multi-station workpiece injection molding by setting a driving unit, and the bearing ring can prevent the load-bearing plate from tilting due to different force points during the injection process, thereby affecting the service life of the device. At the same time, the locking unit is used to prevent the mold from shaking during the injection process, thereby affecting the injection molding of the molded case circuit breaker base. The present invention has the functions of multi-station injection molding and easy mold replacement, which is beneficial to improving the injection molding efficiency of the device.

[0006] Preferably, the driving unit comprises two tooth plates, the two tooth plates are symmetrically structured and fixedly connected to the inner wall of the load-bearing plate, and an adjusting block is slidably connected inside the load-bearing plate.

[0007] Preferably, two gears are movably connected in a symmetrical structure via a first latch inside the adjusting block, and the two gears are meshedly connected, the gears are meshedly connected to a toothed plate, and an upper mold is fixedly connected to the bottom of the adjusting block.

[0008] Preferably, two movable pins are inserted in a symmetrical structure on one side of the upper mold, and nuts are threadedly connected to one end of the two movable pins. A motor is fixedly connected to the top of the adjustment block, and the motor is transmission-connected to one of the gears.

[0009] Preferably, the locking unit comprises a slide rail, the slide rail is fixedly connected to the top of the base, and a plurality of notches are formed in a linear array on the top of the slide rail.

[0010] Preferably, a plug plate is movably connected inside each of the slots via a first plug pin, and two second springs are fixedly connected to the bottom of each of the plug plates in a symmetrical structure.

[0011] Preferably, a plurality of lower molds are slidably connected to the top of the slide rail, and the lower molds correspond to the notch positions. A slot is provided at the bottom of the lower mold, and a plug plate is inserted into the slot. A casting pipe is fixedly connected to one side of each lower mold.

[0012] A method for processing a multi-station injection mold for processing a molded case circuit breaker base comprises the following steps: S1. Injection molding preparation: Use a special cleaning agent to clean the inside of the lower mold, install the injection mold inside the upper mold, and then fix the injection mold inside the upper mold through a movable pin and nut. Finally, place the injection material in the melting equipment for melting; S2, injection molding of molded case circuit breaker base; S2.1. Install the mold: Slide the lower mold to one side on the slide rail. At this time, the second spring applies force to the plug board, causing the plug board to tilt. The plug board is inserted into the slot, so that it cannot be removed from the slide rail. S2.2, Multi-station injection molding of molded case circuit breaker base: First, the motor is operated through the external circuit mechanism, and the motor drives one of the gears to rotate, and the two gears are rotated synchronously through the gear meshing transmission. Since the gear is meshed and connected with the toothed plate, the adjustment block slides inside the load-bearing plate and corresponds to the position of one of the lower molds. Then, the hydraulic rod is operated through the external hydraulic system. The hydraulic rod applies force to the load-bearing plate, and the load-bearing plate slides downward through the limit rod, so that one of the lower molds fits tightly with the upper mold, and the injection material is flowed into the interior through the casting pipe through the external control system to realize injection molding.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The present invention can realize multi-station workpiece injection molding by arranging a driving unit, and can prevent the load-bearing plate from tilting due to different force points during the injection molding process through the carrying ring, thereby affecting the service life of the device. At the same time, through the locking unit, the mold is prevented from shaking during the injection molding process, thereby affecting the injection molding of the molded case circuit breaker base. The present invention has the functions of multi-station injection molding and easy mold replacement, which is beneficial to improving the injection molding efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the injection molding mechanism of the present invention; Figure 3 It is a schematic diagram of a three-dimensional enlarged structure of a driving unit of the present invention; Figure 4 It is a three-dimensional enlarged structural schematic diagram of the locking unit of the present invention.

[0015] Explanation of the numbers in the figure: 1. Base; 2. Injection molding mechanism; 201. Limit rod; 202. Hydraulic module; 203. Hydraulic rod; 204. Load-bearing plate; 205. First spring; 206. Load-bearing ring; 3. Driving unit; 301. Tooth plate; 302. Adjusting block; 303. Gear; 304. Upper mold; 305. Movable pin; 306. Nut; 307. Motor; 4. Locking unit; 401. Slide rail; 402. Notch; 403. Insert plate; 404. Second spring; 405. Lower mold; 406. Slot; 407. Casting pipe. DETAILED DESCRIPTION

[0016] like Figures 1 to 4 As shown, the present invention relates to a multi-station injection mold for processing a molded case circuit breaker base and a processing method thereof, comprising a base 1, an injection molding mechanism 2 is arranged on the top of the base 1. The injection molding mechanism 2 includes four limit rods 201, a drive unit 3 and a locking unit 4; the four limit 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.

[0017] Among them, the top of the four limit rods 201 is fixedly connected to the hydraulic module 202, the hydraulic module 202 is fixedly connected to the hydraulic rod 203, the four limit rods 201 are slidably connected to the load-bearing plate 204, and the hydraulic rod 203 is transmission-connected to the load-bearing plate 204, the bottom of each limit rod 201 is movably sleeved with a first spring 205, the top of each first spring 205 is fixedly connected to a load-bearing ring 206, and the load-bearing ring 206 is movably contacted with the load-bearing plate 204.

[0018] The present invention can realize multi-station workpiece injection molding by setting a driving unit 3, and can prevent the load-bearing plate 204 from tilting due to different force points during the injection process through the carrying ring 206, thereby affecting the service life of the device. At the same time, through the locking unit 4, the mold is prevented from shaking during the injection molding process, affecting the injection molding of the molded case circuit breaker base. The present invention has the functions of multi-station injection molding and easy mold replacement, which is beneficial to improving the injection molding efficiency of the device.

[0019] In an embodiment of the present invention, the driving unit 3 includes two tooth plates 301, and the two tooth plates 301 are symmetrically fixedly connected to the inner wall of the load-bearing plate 204. An adjusting block 302 is slidably connected inside the load-bearing plate 204. Two gears 303 are symmetrically connected to the inside of the adjusting block 302 through a first latch, and the two gears 303 are meshingly connected. The gears 303 are meshingly connected to the tooth plates 301. An upper mold 304 is fixedly connected to the bottom of the adjusting block 302, and two movable pins 305 are symmetrically inserted on one side of the upper mold 304. One end of the two movable pins 305 are threadedly connected with nuts 306. A motor 307 is fixedly connected to the top of the adjusting block 302, and the motor 307 is transmission-connected to one of the gears 303.

[0020] In an embodiment of the present invention, the locking unit 4 includes a slide rail 401, which is fixedly connected to the top of the base 1. A plurality of slots 402 are provided in a linear array on the top of the slide rail 401. A plug plate 403 is movably connected to the inside of each slot 402 through a first latch. Two second springs 404 are fixedly connected to the bottom of each plug plate 403 in a symmetrical structure. A plurality of lower molds 405 are slidably connected to the top of the slide rail 401, and the positions of the lower molds 405 and the slots 402 correspond. A slot 406 is provided at the bottom of the lower mold 405, and the plug plate 403 is plugged into the inside of the slot 406. A casting pipe 407 is fixedly connected to one side of each lower mold 405.

[0021] Embodiment 2: A method for processing a multi-station injection mold for processing a molded case circuit breaker base, comprising the following steps: S1. Injection molding preparation: clean the inside of the lower mold 405 with a special cleaning agent, install the injection mold inside the upper mold 304, and then fix the injection mold inside the upper mold 304 through the movable pin 305 and the nut 306. Finally, place the injection material in the melting device for melting; S2, injection molding of molded case circuit breaker base; S2.1, install the mold: slide the lower mold 405 to one side on the slide rail 401. At this time, the second spring 404 applies a force to the plug board 403, so that the plug board 403 is tilted, and the plug board 403 is inserted into the slot 406, so that it cannot be removed from the slide rail 401; S2.2, multi-station injection molding of molded case circuit breaker base: first, the motor 307 is operated through the external circuit mechanism, and the motor 307 drives one of the gears 303 to rotate, and the two gears 303 are rotated synchronously through the gear meshing transmission. Since the gear 303 is meshed and connected with the toothed plate 301, the adjustment 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 operated through the external hydraulic system. The hydraulic rod 203 applies force to the load-bearing plate 204, and the load-bearing plate 204 slides downward through the limit rod 201, so that one of the lower molds 405 is closely matched with the upper mold 304, and the injection material is flowed into the interior through the casting pipe 407 through the external control system to realize injection molding.

[0022] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A multi-station injection mold for processing a molded case circuit breaker base, characterized in that: It comprises a base (1), with an injection molding mechanism (2) arranged on the top of the base (1); The injection molding mechanism (2) comprises four limiting rods (201), a driving 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); The tops of the four limit rods (201) are fixedly connected to a hydraulic module (202), the hydraulic module (202) is internally fixedly connected to a hydraulic rod (203), the four limit rods (201) are slidably connected to a load-bearing plate (204), and the hydraulic rod (203) is transmission-connected to the load-bearing plate (204), the bottom of each limit rod (201) is movably sleeved with a first spring (205), the top of each first spring (205) is fixedly connected to a bearing ring (206), and the bearing ring (206) is in movably contact with the load-bearing plate (204).

2. A multi-station injection mold for processing a molded case circuit breaker base according to claim 1, characterized in that: The driving unit (3) comprises two tooth plates (301), the two tooth plates (301) being symmetrically structured and fixedly connected to the inner wall of the load-bearing plate (204), and an adjustment block (302) being slidably connected inside the load-bearing plate (204).

3. A multi-station injection mold for processing a molded case circuit breaker base according to claim 2, characterized in that: The regulating block (302) has two gears (303) movably connected in a symmetrical structure via a first latch, and the two gears (303) are meshingly connected, the gears (303) are meshingly connected to the toothed plate (301), and an upper mold (304) is fixedly connected to the bottom of the regulating block (302).

4. A multi-station injection mold for processing a molded case circuit breaker base according to claim 3, characterized in that: One side of the upper mold (304) is symmetrically structured with two movable pins (305) inserted therein, one end of each of the two movable pins (305) being threadedly connected to a nut (306), and the top of the adjustment block (302) is fixedly connected to a motor (307), which is in transmission connection with one of the gears (303).

5. A multi-station injection mold for processing a molded case circuit breaker base according to claim 4, characterized in that: The locking unit (4) comprises a slide rail (401), wherein the slide rail (401) is fixedly connected to the top of the base (1), and a plurality of notches (402) are formed in a linear array on the top of the slide rail (401).

6. A multi-station injection mold for processing a molded case circuit breaker base according to claim 5, characterized in that: Each slot (402) is movably connected to a plug plate (403) via a first plug pin, and the bottom of each plug plate (403) is fixedly connected to two second springs (404) in a symmetrical structure.

7. A multi-station injection mold for processing a molded case circuit breaker base according to claim 6, characterized in that: A plurality of lower molds (405) are slidably connected to the top of the slide rail (401), and the positions of the lower molds (405) and the notches (402) correspond to each other. A slot (406) is provided at the bottom of the lower mold (405), and a plug plate (403) is plugged into the slot (406). A casting pipe (407) is fixedly connected to one side of each lower mold (405).

8. A method for processing a multi-station injection mold for processing a molded case circuit breaker base, which is applicable to the multi-station injection mold for processing a molded case circuit breaker base according to claim 6, characterized in that: The following steps are involved: S1. Injection molding preparation: clean the interior of the lower mold (405) with a special cleaning agent, install the injection mold inside the upper mold (304), and then fix the injection mold inside the upper mold (304) through a movable pin (305) and a nut (306), and finally place the injection molding material in a melting device for melting; S2, injection molding of molded case circuit breaker base; S2.

1. Installing the mold: Slide the lower mold (405) to one side on the slide rail (401). At this time, a force is applied to the plug plate (403) through the second spring (404), so that the plug plate (403) is tilted, and the plug plate (403) is inserted into the slot (406) so that it cannot be removed from the slide rail (401); S2.2, multi-station injection molding of molded case circuit breaker base: first, the motor (307) is operated through the external circuit mechanism, and the motor (307) drives one of the gears (303) to rotate, and the two gears (303) are rotated synchronously through the gear meshing transmission. Since the gear (303) is meshed and connected with the toothed plate (301), the adjustment 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 operated through the external hydraulic system. The hydraulic rod (203) applies a force to the load-bearing plate (204), and the load-bearing plate (204) slides downward through the limit rod (201), so that one of the lower molds (405) is closely matched with the upper mold (304), and the injection material flows into the interior through the casting pipe (407) through the external control system to achieve injection molding.

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