Injection molding machine for mouse shell

Abstract

The utility model provides an injection molding machine for a mouse shell. The injection molding machine comprises a rack assembly, a mold pressing assembly and a demolding assembly, a first top plate and a second top plate are arranged above the lower pressing plate, a first pin column and a second pin column are arranged on each of the first top plate and the second top plate, a positioning shaft and a two-way lead screw penetrate through the two ends of each top plate correspondingly, one end of each two-way lead screw is connected with a first driving motor, the nozzle is arranged in the center of the movable plate, and the upper end of the nozzle is connected with a gun barrel; a second driving motor is installed on the lower end face of the movable plate, a driving shaft of the second driving motor is connected with a baffle, a first positioning plate and a second positioning plate are fixedly installed on the two sides of the pressing table, and a first pin hole and a second pin hole are formed in the middle of the first positioning plate and the middle of the second positioning plate. The problem of solidification of residual molten plastic after injection molding of the nozzle opening is solved, and the production efficiency and the product quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to injection molding machine technical field, concretely relates to a mouse shell is with injection molding machine. BACKGROUND

[0002] Computer mouse bottom shell adopts injection molding machine injection molding, and because the mold needs to be sealed during the injection molding process, the mold is generally positioned and guided by positioning rods to prevent the mold from shaking left and right, and then a lower pressing plate is used to apply downward pressure to the mold to ensure the sealing effect of the mold. However, due to the long-term use of the equipment, the equipment is worn out, which leads to poor sealing effect. During the entire injection molding process, if the nozzle is exposed for a long time after the molten plastic is injected, the molten plastic remaining in the nozzle opening will solidify, which will hinder the injection precision of the nozzle and seriously affect the production quality and production efficiency.

[0003] Therefore, there is an urgent need for a mouse shell injection molding machine that is high in production efficiency and strong in stability. INVENTION CONTENTS

[0004] In view of the defects of the prior art, the utility model provides a mouse shell injection molding machine which can accurately and efficiently complete the injection molding of the mouse shell, avoid the problems of insufficient mold sealing and nozzle blockage, and improve the injection molding efficiency and production quality.

[0005] The utility model provides a mouse shell injection molding machine, which comprises a lower pressing plate, a pressing table, a positioning shaft, a bidirectional screw rod and a moving plate.

[0006] A top plate one and a top plate two are arranged above the lower pressing plate and symmetrically arranged with the center line of the lower pressing plate, and a plurality of pin columns one and a plurality of pin columns two are correspondingly welded on the left side surface of the top plate one and the right side surface of the top plate two.

[0007] Round holes are formed in the upper ends of the top plate one and the top plate two and matched with the positioning shaft in size.

[0008] The positioning shaft penetrates through the round holes and is connected in sliding mode, and fixing blocks are installed at the left and right ends of the positioning shaft, which are fixed on the upper side of the lower pressing plate.

[0009] Forward threaded holes are formed in the lower ends of the top plate one and matched with the forward threaded section of the bidirectional screw rod, and reverse threaded holes are formed in the lower ends of the top plate two and matched with the reverse threaded section of the bidirectional screw rod.

[0010] The bidirectional screw rod penetrates through the forward threaded holes and the reverse threaded holes, and a positioning block is rotatably connected to the middle of the bidirectional screw rod, which is arranged between the top plate one and the top plate two and fixedly installed above the lower pressing plate.

[0011] One end of the bidirectional screw rod is provided with a driving motor one, and an output shaft of the driving motor one is fixedly connected with the bidirectional screw rod;

[0012] The mobile plate is centrally provided with a barrel, the barrel penetrates the center of the mobile plate, and a nozzle is connected to a lower end of the barrel and faces the center of the lower pressing plate;

[0013] The barrel is provided with a driving motor two on one side, the driving motor two is fixedly installed on a lower end face of the mobile plate, a driving shaft of the driving motor two is connected with a baffle, and the baffle is parallelly attached to the nozzle mouth;

[0014] The pressing table is fixedly provided with a positioning plate one and a positioning plate two on both sides, the positioning plate one and the positioning plate two are provided with a pin hole one and a pin hole two in the middle and are parallelly symmetrical, and the pin hole one and the pin hole two are matched with the pin column one and the pin column two.

[0015] Preferably, the number of the pin column one and the pin column two is the same, and the pin column one and the pin column two are arrayed on the left side of the top plate one and the right side of the top plate two.

[0016] Preferably, the right side of the top plate one and the left side of the top plate two are provided with a limiting plate.

[0017] Preferably, the lower pressing plate is provided with a pressure sensor.

[0018] Preferably, the injection molding machine is further provided with a controller, and the driving motor one, the driving motor two and the pressure sensor are electrically connected with the controller.

[0019] In the above technical solution, the utility model further can be improved as follows.

[0020] Compared with the prior art, the utility model has the beneficial effects that: the pin column arranged on the lower pressing plate is inserted into the pin hole arranged on the positioning plate arranged on both sides of the pressing table, the mold sealing stability is improved, the baffle arranged on the nozzle avoids the solidification of the residual molten plastic in the nozzle mouth, and the utility model improves the injection efficiency, product quality and production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally indicated by similar reference numerals. In the drawings, various elements or parts are not necessarily drawn according to the actual proportion.

[0022] Fig. 1The utility model discloses an injection molding machine's plan view;

[0023] Fig. 2 The utility model discloses a dispensing machine's front view;

[0024] In the drawing, the meaning of each mark is as follows:

[0025] The lower pressing plate 1, the pressing table 2, the moving plate 3, the positioning shaft 4, the bidirectional screw rod 5, the fixed block 6, the positioning block 7, the top plate one 8, the top plate two 9, the pin column one 10, the pin column two 11, the positioning plate one 12, the positioning plate two 13, the limiting plate 14, the pin hole one 15, the pin hole two 16, the drive motor one 17, the drive motor two 18, the baffle 19, the jet nozzle 20, the barrel 21. Specific implementation

[0026] In order to further understand the utility model content, characteristics and effect of the utility model, the following examples are cited, and are specifically explained as follows:

[0027] Please refer to Figs. 1-2 The utility model discloses an injection molding machine for mouse shell, including lower pressing plate 1, pressing table, positioning shaft 4, bidirectional screw rod 5 and moving plate 3.

[0028] The lower pressing plate 1 is provided with top plate one 8 and top plate two 9 above and is symmetrically arranged with the center line of the lower pressing plate 1, and a plurality of pin columns one 10 and a plurality of pin columns two 11 are correspondingly welded on the left side surface of the top plate one 8 and the right side surface of the top plate two 9.

[0029] The top plate one 8 and the top plate two 9 are both provided with round holes at the upper end and the size is matched with the positioning shaft 4.

[0030] The positioning shaft 4 penetrates the round hole and is connected in sliding mode, and the positioning shaft 4 is provided with a fixed block 6 at both ends, and the fixed block 6 is fixed on the upper side of the lower pressing plate 1.

[0031] The lower end of the top plate one 8 is provided with a forward thread hole and is matched with the forward thread segment of the bidirectional screw rod 5, and the lower end of the top plate two 9 is provided with a reverse thread hole and is matched with the reverse thread segment of the bidirectional screw rod 5.

[0032] The bidirectional screw rod 5 penetrates the forward thread hole and the reverse thread hole, and the middle of the bidirectional screw rod 5 is rotatably connected with the positioning block 7, and the positioning block 7 is arranged between the top plate one 8 and the top plate two 9, and the positioning block 7 is fixedly installed above the lower pressing plate 1.

[0033] One end of the bidirectional screw rod 5 is provided with a drive motor one 17, and the output shaft of the drive motor one 17 is fixedly connected with the bidirectional screw rod 5.

[0034] The mobile plate 3 is provided with a barrel 21 in the center, the barrel 21 penetrates the center of the mobile plate, the lower end of the barrel 21 is connected with a nozzle 20, the nozzle 20 is opposite to the center of the lower pressing plate 1;

[0035] One side of the barrel 21 is provided with a driving motor 18, the driving motor 18 is fixedly installed on the lower end surface of the mobile plate 3, the driving shaft of the driving motor 18 is connected with a baffle 19, the baffle 19 is parallel to the nozzle 20;

[0036] The pressing table 2 is provided with a positioning plate one 12 and a positioning plate two 13 on both sides, the positioning plate one 12 and the positioning plate two 13 are provided with a pin hole one 15 and a pin hole two 16 in the middle and are parallel and symmetrical, the pin hole one 15 and the pin hole two 16 are matched with the pin column one 10 and the pin column two 11.

[0037] In the production process, after the mold is fixedly placed in the middle of the pressing table 2, the hydraulic rod installed on the mobile plate drives the lower pressing plate 1 to move downward, when the lower pressing plate 1 is tightly attached to the upper mold, the controller controls the driving motor one 17 to rotate, the output end of the driving motor one 17 is connected with the bidirectional screw rod 5, because the forward threaded end of the bidirectional screw rod 5 is rotatably connected with the forward threaded hole of the top plate one 8, and the reverse threaded end of the bidirectional screw rod 5 is rotatably connected with the reverse threaded hole of the top plate two 9, so the rotation of the bidirectional screw rod 5 drives the top plate one 8 and the top plate two 9 to move horizontally left and right respectively, in order to ensure the stability of the movement and stress of the top plate one 8 and the top plate two 9, the positioning shaft 4 is penetrated through the circular hole, and then the two ends of the positioning shaft 4 are fixed through the fixing block 6 fixedly installed on the lower pressing plate 1, and the positioning block 7 fixedly installed on the lower pressing plate 1 is slidably sleeved on the middle position of the bidirectional screw rod 5, which is used for fixing the bidirectional screw rod 5, finally through the driving of the driving motor one 17, the pin column one 10 installed on the top plate one 8 and the pin column two 11 installed on the top plate two 9 are simultaneously extended from the edge of the lower pressing plate 1 and inserted into the pin hole one 15 of the positioning plate one 12 and the pin hole two 16 of the positioning plate two 13 on both sides of the pressing table 2, so that the mold is well fixed and sealed, at this time, the controller controls the barrel 21 on the mobile plate 3 to move downward, so that the nozzle 20 moves towards the injection port direction of the mold, at the same time, the controller also controls the driving motor two 18 to rotate, the baffle 19 connected with the driving shaft of the driving motor two 18 deviates below the nozzle 20, when the nozzle injection is completed and returns, the pressure sensor in the lower pressing plate 1 senses the pressure change in the mold, immediately sends a signal to the controller, the controller controls the driving motor two 18 to rotate, the baffle 19 connected with the driving shaft of the driving motor two 18 is horizontally rotated below the nozzle 20 and attached, preventing the nozzle 20 from flowing, avoiding the solidification of the molten plastic, the whole working process improves the injection efficiency, product quality and production efficiency.

[0038] Please refer toFigs. 1-2 The number of the pin column one 10 and the pin column two 11 is same and arrayed on the left side of the top plate one 8 and the right side of the top plate two 9.

[0039] The pin column one 10 and the pin column two 11 can improve the stability of the fixed mold.

[0040] Please refer to Figs. 1-2 The right side of the top plate one 8 and the left side of the top plate two 9 are provided with the limiting plate 14.

[0041] The limiting plate 14 can control the retraction distance of the pin column and improve the efficiency of the fixed mold.

[0042] Please refer to Fig. 1 The pressure sensor is arranged in the lower pressing plate 1.

[0043] The pressure sensor can more efficiently transmit signals to make the equipment run to the next step.

[0044] Please refer to Fig. 2 The injection molding machine is also provided with a controller, and the driving motor one 17, the driving motor two 18 and the pressure sensor are electrically connected with the controller.

[0045] The controller can better control the stable and efficient operation of the equipment.

[0046] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, structure and operation, therefore it cannot be understood as a limitation of the utility model.

[0047] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0048] In the utility model, unless another definite provision and limitation, the term " install ", " link ", " connect ", " fixed " and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated; can be mechanical connection, also can be electrical connection; can be direct connection, also can pass through intermediate medium indirectly connect, can be two element inside's intercommunication or two element's mutual action relation. For ordinary skilled person in the art, can understand the concrete meaning of above-mentioned term in the utility model according to specific circumstances.

[0049] In the utility model, unless another definite provision and limitation, first feature is " on " or " under " second feature can be that first and second features directly contact, or first and second features indirectly contact by intermediate medium. Moreover, first feature " above ", " over " and " on " second feature can be that first feature is directly above or obliquely above second feature, or just indicates that the horizontal height of first feature is higher than that of second feature. First feature " below ", " under " and " on " second feature can be that first feature is directly below or obliquely below second feature, or just indicates that the horizontal height of first feature is lower than that of second feature.

[0050] In the description of the specification, the description of the terms " one embodiment ", " some embodiments ", " example ", " specific example " or " some examples " means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction. Although the embodiments of the utility model have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the utility model, and the skilled in the art can change, modify, replace and modify the above embodiments within the scope of the utility model.

Claims

1. A mouse housing injection molding machine characterized by comprising: Include the lower pressing plate, the pressing platform, the positioning shaft, the two-way screw rod and the moving plate; The lower pressing plate is provided with a top plate one and a top plate two above and symmetrically arranged with the center line of the lower pressing plate, and a plurality of pin columns one and a plurality of pin columns two are correspondingly welded on the left side of the top plate one and the right side of the top plate two; The top plate one and the top plate two are both provided with a circular hole at the upper end and the size is matched with the positioning shaft; The positioning shaft penetrates through the circular hole and is connected in sliding mode, and the positioning shaft is provided with a fixed block at both ends; The lower end of the top plate one is provided with a forward threaded hole matched with the forward threaded segment of the two-way screw rod, and the lower end of the top plate two is provided with a reverse threaded hole matched with the reverse threaded segment of the two-way screw rod; The two-way screw rod penetrates through the forward threaded hole and the reverse threaded hole, and the middle of the two-way screw rod is rotatably connected with a positioning block arranged between the top plate one and the top plate two, and the positioning block is fixedly installed on the upper side of the lower pressing plate; One end of the two-way screw rod is provided with a driving motor one, and the output shaft of the driving motor one is fixedly connected with the two-way screw rod; The moving plate is provided with a barrel at the center and the barrel penetrates through the center of the moving plate, and the lower end of the barrel is connected with a spout, and the spout is opposite to the center of the lower pressing plate; The barrel is provided with a driving motor two on one side, the driving motor two is fixedly installed on the lower end surface of the moving plate, the driving shaft of the driving motor two is connected with a baffle, and the baffle is parallel to the spout opening. The pressing platform is fixedly provided with a positioning plate one and a positioning plate two on both sides, the positioning plate one and the positioning plate two are provided with a pin hole one and a pin hole two in the middle and are parallel and symmetric, and the pin hole one and the pin hole two are matched with the pin column one and the pin column two.

2. The injection molding machine for mouse housing according to claim 1, wherein: The number of the pin column one and the pin column two is the same and is arrayed on the left side of the top plate one and the right side of the top plate two.

3. The injection molding machine for mouse housing according to claim 1, wherein: The right side of the top plate one and the left side of the top plate two are both provided with a limiting plate.

4. The injection molding machine for mouse housing according to claim 1, wherein: The lower pressing plate is provided with a pressure sensor.

5. The injection molding machine for mouse housing according to claim 1, wherein: The injection molding machine is also provided with a controller, and the driving motor one, the driving motor two and the pressure sensor are electrically connected with the controller.

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