Injection molding device for motor magnetic ring production

Abstract

The utility model discloses an injection molding device for producing a motor magnetic ring, which comprises a base station, the top of the base station is fixedly connected with a lower mold assembly for injection molding of the motor magnetic ring, the top of the base station is also fixedly connected with a rack, and the rack is provided with an upper mold assembly matched with the lower mold assembly for use. A positioning assembly used for positioning the upper mold assembly is installed on the side face of the rack, the lower mold assembly comprises a lower mold base fixedly connected to the top of the base table, a lower mold cavity used for motor magnet ring injection molding is formed in the lower mold base, and the upper mold assembly comprises an electric cylinder fixedly connected to the rack. The output end of the electric cylinder is fixedly connected with a driving frame, and the bottom of the driving frame is fixedly connected with an upper die base. According to the utility model, the upper mold assembly which can be stably assembled with the lower mold assembly is arranged, so that the mold assembly stability of the lower mold assembly and the upper mold assembly is improved, and the injection molding quality of the motor magnet ring is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor magnetic ring injection moulding technical field, especially relates to a kind of injection molding device for motor magnetic ring production. BACKGROUND

[0002] Micro motor has been widely used in automation, electromechanical etc., in the field of micro motor and stepper motor, widely use multipole magnetic ring as rotor, after passing an impulse current in additional coil, rotor turns over a fixed angle, the traditional multipole magnetic ring is bonded by using multiple magnetic segments, but it is difficult to achieve uniform quality during assembly, so that the dynamic balance of magnetic ring is poor, increase the vibration and noise of motor, and the performance of motor is affected. At present, by injection molding magnetic ring, it is once formed into rotor, which can improve the overall quality of rotor.

[0003] A kind of injection molding device for motor magnetic ring production is disclosed in Chinese patent with publication number CN214111195U, including workbench, four corners of the bottom of workbench are fixedly installed with supporting leg, the middle part of the upper surface of workbench is equipped with fixed disc, lower mold is placed above fixed disc, the both ends of fixed disc are equipped with clamping device, clamping device includes fixed block, sliding slot, clamping block, first clamping plate, sliding block, second clamping plate, round column, screw rod and rotating handle, sliding slot is vertically set in the middle part of the side of fixed block close to fixed disc.

[0004] Although the above technical solution solves the corresponding technical problem, the above technical solution still has the following defects:

[0005] The above technical solution is not convenient for positioning the upper and lower molds, which reduces the stability of mold closing and affects the production quality of motor magnetic ring. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of injection molding device for motor magnetic ring production, by setting the upper mold component that can be stably closed with lower mold component, increase the stability of lower mold component and upper mold component mold closing, to increase the injection molding quality of motor magnetic ring.

[0007] In order to achieve the above purpose, the main technical scheme adopted by the utility model includes:

[0008] A kind of injection molding device for motor magnetic ring production, comprising:

[0009] Base, the top of the base is fixedly connected with lower mold component for motor magnetic ring injection molding, the top of the base is also fixedly connected with rack, the rack is installed with upper mold component for cooperating with the lower mold component, the side of the rack is installed with positioning assembly for positioning the upper mold component.

[0010] The motor magnetic ring production injection molding device, wherein the lower die assembly comprises a lower die seat fixedly connected to the top of the base, and a lower die cavity for motor magnetic ring injection molding is formed in the lower die seat.

[0011] The motor magnetic ring production injection molding device, wherein the upper die assembly comprises an electric cylinder fixedly connected to the frame, a driving frame is fixedly connected to the output end of the electric cylinder, an upper die seat is fixedly connected to the bottom of the driving frame, and an upper die core matched with the lower die cavity is installed at the bottom of the upper die seat.

[0012] The motor magnetic ring production injection molding device, wherein the upper die assembly further comprises an injection pump installed on the driving frame, and the injection pump is in communication with the upper die core through an injection pipe.

[0013] The motor magnetic ring production injection molding device, wherein a limiting slide rod for limiting the upper die seat is fixedly connected between the frame and the base, a limiting sleeve is slidingly connected to the limiting slide rod, and one side of the limiting sleeve close to the upper die seat is fixedly connected with the upper die seat.

[0014] The motor magnetic ring production injection molding device, wherein the positioning assembly comprises an electric push rod fixedly connected to the side of the frame, a T-shaped clamping block is fixedly connected to the output end of the electric push rod, and a clamping groove matched with the T-shaped clamping block is formed in the side of the limiting sleeve.

[0015] The motor magnetic ring production injection molding device, wherein the lower die seat is further provided with an induction assembly, the induction assembly comprises a containing groove formed in the lower die seat, a pressure sensor is installed in the containing groove, an abutting block is arranged in the containing groove and corresponds to the position of the pressure sensor, a connecting spring is fixedly connected to the bottom of the abutting block, and the other end of the connecting spring is fixedly connected to the inner wall of the containing groove.

[0016] The motor magnetic ring production injection molding device has at least the following beneficial effects:

[0017] In the utility model, the motor magnetic ring production injection molding device is realized, through setting up the upper die assembly which can stably combine with the lower die assembly, the stability of the combination of the lower die assembly and the upper die assembly is increased, and the injection molding quality of the motor magnetic ring is increased. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application.

[0019] Figure 1The utility model discloses a structure schematic drawing of motor magnetic ring production injection molding device's middle lower mould assembly.

[0020] Figure 2 The utility model discloses a structure schematic drawing of motor magnetic ring production injection molding device's middle lower mould assembly.

[0021] Figure 3 The utility model discloses a structure schematic drawing of motor magnetic ring production injection molding device's middle lower mould assembly.

[0022] Figure 4 The utility model discloses a structure schematic drawing of motor magnetic ring production injection molding device's middle lower mould assembly.

[0023] Figure 5 The utility model discloses a structure schematic drawing of motor magnetic ring production injection molding device's middle lower mould assembly.

[0024] Explanation of drawing mark:

[0025] 1, base station, 2, lower mould assembly, 3, frame, 4, upper mould assembly, 5, positioning assembly,

[0026] 201, lower mould seat, 202, lower mould cavity,

[0027] 401, electric cylinder, 402, drive frame, 403, upper mould seat, 404, upper mould core, 405, injection pump, 406, injection pipe,

[0028] 4031, limit slide rod, 4032, limit slide sleeve,

[0029] 501, electric push rod, 502, T type clamping block, 503, clamping groove,

[0030] 6, induction assembly, 601, accommodating groove, 602, pressure sensor, 603, abutment block, 604, connecting spring. Specific implementation

[0031] The embodiment of the application will be described in detail below with the drawings and examples, so that the realization process of how to apply technical means to solve technical problems and achieve technical effects of the application can be fully understood and implemented.

[0032] Please refer to Figures 1 to 5 The utility model discloses a structure schematic drawing of motor magnetic ring production injection molding device's middle lower mould assembly.

[0033] By adopting the technical scheme, the upper die assembly 4 capable of stably closing the lower die assembly 2 is arranged, the stability of the closing of the lower die assembly 2 and the upper die assembly 4 is increased, and the injection quality of the motor magnetic ring is increased.

[0034] In order to facilitate the closing injection molding of the motor magnetic ring, in the embodiment, the lower die assembly 2 comprises a lower die seat 201 fixedly connected to the top of the base 1, and a lower die cavity 202 for motor magnetic ring injection molding is arranged on the lower die seat 201; the upper die assembly 4 comprises an electric cylinder 401 fixedly connected to the rack 3, a driving frame 402 is fixedly connected to the output end of the electric cylinder 401, an upper die seat 403 is fixedly connected to the bottom of the driving frame 402, and an upper die core 404 matched with the lower die cavity 202 is arranged on the bottom of the upper die seat 403.

[0035] In order to facilitate the injection of the motor magnetic ring, in the embodiment, the upper die assembly 4 further comprises an injection pump 405 mounted on the driving frame 402, and the injection pump 405 is in communication with the upper die core 404 through an injection pipe 406.

[0036] In order to limit the position of the upper die seat 403 and increase the stability of the closing of the upper die seat 403 and the lower die seat 201, in the embodiment, a limiting slide rod 4031 for limiting the position of the upper die seat 403 is fixedly connected between the rack 3 and the base 1, a limiting slide sleeve 4032 is slidingly connected to the limiting slide rod 4031, and one side of the limiting slide sleeve 4032 close to the upper die seat 403 is fixedly connected to the upper die seat 403.

[0037] In order to limit the position of the upper die seat 403 and increase the stability of the closing of the upper die seat 403 and the lower die seat 201, in the embodiment, a limiting slide rod 4031 for limiting the position of the upper die seat 403 is fixedly connected between the rack 3 and the base 1, a limiting slide sleeve 4032 is slidingly connected to the limiting slide rod 4031, and one side of the limiting slide sleeve 4032 close to the upper die seat 403 is fixedly connected to the upper die seat 403.

[0038] In order to facilitate the closing injection molding of the motor magnetic ring, in the embodiment, the lower die assembly 2 comprises a lower die seat 201 fixedly connected to the top of the base 1, and a lower die cavity 202 for motor magnetic ring injection molding is arranged on the lower die seat 201; the upper die assembly 4 comprises an electric cylinder 401 fixedly connected to the rack 3, a driving frame 402 is fixedly connected to the output end of the electric cylinder 401, an upper die seat 403 is fixedly connected to the bottom of the driving frame 402, and an upper die core 404 matched with the lower die cavity 202 is arranged on the bottom of the upper die seat 403.

[0039] The working principle of the utility model is: firstly, the electric cylinder 401 drives the driving frame 402 to move down, and then can drive the upper die holder 403 to move down, and under the limiting action of the limiting slide rod 4031 and the limiting slide sleeve 4032, the stable mold closing of the upper die holder 403 and the lower die holder 201 is ensured, at the same time, when the bottom of the upper die holder 403 abuts against the abutting block 603, the abutting block 603 will extrude the pressure sensor 602, and the external PLC controller controls the electric push rod 501 to operate, so that the T-shaped clamping block 502 can be clamped into the corresponding clamping groove 503, and then the stable mold closing of the upper die holder 403 and the lower die holder 201 is ensured, and the injection molding quality of the motor magnetic ring is ensured.

[0040] The above description shows and describes several preferred embodiments of the utility model, but as before, it should be understood that the utility model is not limited to the form disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein by the above teaching or related technical or knowledge. The modification and change made by the person skilled in the art without departing from the spirit and scope of the utility model should be within the protection scope of the claims attached to the utility model.

Claims

1. A injection molding device for producing motor magnetic ring, comprising a base (1), characterized in that, The top of the base (1) is fixedly connected with a lower mold assembly (2) for injection molding of motor magnetic ring, and the top of the base (1) is also fixedly connected with a rack (3), and the rack (3) is installed with an upper mold assembly (4) used in cooperation with the lower mold assembly (2), and the side of the rack (3) is installed with a positioning assembly (5) for positioning the upper mold assembly (4).

2. The injection molding device for producing a motor magnetic ring according to claim 1, characterized in that: The lower mold assembly (2) comprises a lower mold seat (201) fixedly connected to the top of the base (1), and a lower mold cavity (202) for injection molding of motor magnetic ring is formed in the lower mold seat (201).

3. The injection molding device for producing a motor magnetic ring according to claim 2, characterized in that: The upper mold assembly (4) comprises an electric cylinder (401) fixedly connected to the rack (3), and the output end of the electric cylinder (401) is fixedly connected with a driving frame (402), and the bottom of the driving frame (402) is fixedly connected with an upper mold seat (403), and the bottom of the upper mold seat (403) is installed with an upper mold core (404) used in cooperation with the lower mold cavity (202).

4. The injection molding device for producing a motor magnetic ring according to claim 3, characterized in that: The upper mold assembly (4) further comprises an injection pump (405) installed on the driving frame (402), and the injection pump (405) is in communication with the upper mold core (404) through an injection pipe (406).

5. The injection molding device for producing a motor magnetic ring according to claim 4, characterized in that: The rack (3) and the base (1) are fixedly connected with a limiting slide rod (4031) for limiting the upper mold seat (403), and the limiting slide rod (4031) is slidably connected with a limiting slide sleeve (4032), and the side of the limiting slide sleeve (4032) close to the upper mold seat (403) is fixedly connected with the upper mold seat (403).

6. The injection molding device for producing a motor magnetic ring according to claim 5, characterized in that: The positioning assembly (5) comprises an electric push rod (501) fixedly connected to the side of the rack (3), and the output end of the electric push rod (501) is fixedly connected with a T-shaped clamping block (502), and the side of the limiting slide sleeve (4032) is provided with a clamping groove (503) matched with the T-shaped clamping block (502).

7. The injection molding device for producing a motor magnetic ring according to claim 6, characterized in that: The lower mold seat (201) is also provided with a sensing assembly (6), and the sensing assembly (6) comprises a containing groove (601) formed in the lower mold seat (201), a pressure sensor (602) is installed in the containing groove (601), an abutting block (603) is arranged in the containing groove (601) and corresponds to the position of the pressure sensor (602), the bottom of the abutting block (603) is fixedly connected with a connecting spring (604), and the other end of the connecting spring (604) is fixedly connected to the inner wall of the containing groove (601).

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