Novel motor for injection molding

Abstract

The utility model discloses a novel motor for injection molding. The novel motor comprises a motor shell, a motor rotor arranged in the motor shell, a transmission shaft connected with the motor rotor, and a thrust bearing sleeved on the transmission shaft, wherein one end of a plasticizing part is connected with the transmission shaft; the motor shell is provided with a motor front cover plate and a motor rear end cover which are respectively matched with the motor shell; the motor shell, the motor front cover plate and the motor rear end cover form an accommodating cavity for accommodating the motor rotor, the transmission shaft and the thrust bearing; the motor shell is provided with a cooling liquid inlet and a cooling liquid outlet which are respectively communicated with the accommodating cavity. According to the novel motor for injection molding, the motor rotor drives the transmission shaft to rotate synchronously, and the transmission shaft is connected with the plasticizing part, so that the motor rotor in the accommodating cavity is cooled in real time by utilizing high temperature generated by rotation and long-time work of the plasticizing part and cooling liquid in the accommodating cavity, and the novel motor for injection molding is ensured; and long-time working is safe and reliable.

Description

Technical Field

[0001] The utility model relates to a new type motor for injection molding, in particular to a new type motor for injection molding with compact structure and high safety factor. Background Art

[0002] Injection molding machine, also known as injection molding machine or injection machine, is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. The core of the injection molding machine is the injection molding machine motor. After working for a long time, the injection molding machine motor will bring certain safety risks due to high temperature. Therefore, it is urgent to provide a new type of motor for injection molding with a high safety factor. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a new type of motor for injection molding, which has the characteristics of compact structure and high safety factor.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a new type of motor for injection molding, the innovation of which is: the new type of motor for injection molding comprises a motor housing, a motor rotor arranged in the motor housing, a transmission shaft connected to the motor rotor, and a thrust bearing sleeved on the transmission shaft, one end of a plasticizing component is connected to the transmission shaft, and the central axis of the plasticizing component coincides with the central axis of the transmission shaft;

[0005] The motor housing is provided with a motor front cover plate and a motor rear end cover which are matched with the motor housing respectively, and the motor housing, the motor front cover plate and the motor rear end cover form an accommodating cavity for placing the motor rotor, the transmission shaft and the thrust bearing;

[0006] The motor housing is provided with a controller located on or outside the motor housing, and the controller is a driving module of the motor rotor;

[0007] The motor housing is provided with a coolant inlet and a coolant outlet which are respectively communicated with the accommodating cavity.

[0008] Preferably, a first positioning hole for embedding the motor rotor is provided at one end of the transmission shaft, and a second positioning hole for embedding the plasticized component is provided at the other end of the transmission shaft;

[0009] The transmission shaft is provided with an oil seal sleeved on the transmission shaft, the oil seal abuts against the inner wall of the accommodating cavity, the oil seal, the transmission shaft and the motor housing form a closed area, and the coolant inlet and the coolant outlet are respectively connected to the closed area.

[0010] Preferably, a plasticizing component mounting hole for the transmission shaft to pass through is provided on the front cover plate of the motor, and the transmission shaft is interference fit or transition fit in the plasticizing component mounting hole.

[0011] Preferably, the plasticizing component is sleeved with a half ring whose end face abuts against the transmission shaft.

[0012] Preferably, when the controller is located on the motor housing, the controller and the motor housing are an integrated structure; when the controller is located outside the motor housing, the controller and the motor housing are a split structure; and a temperature and humidity sensor and a fan are provided on the drive module.

[0013] Preferably, the motor housing is provided with a plurality of motor fixing feet located below the motor housing, and the motor fixing feet are provided with linear guide rail seats for slidingly matching with the linear guide rails.

[0014] Preferably, the motor housing is provided with four motor fixing feet located below the motor housing, including a first motor fixing foot, a second motor fixing foot, a third motor fixing foot and a fourth motor fixing foot symmetrical to the central axis of the motor housing, the first motor fixing foot and the third motor fixing foot are located on the same side, and the second motor fixing foot and the fourth motor fixing foot are located on the other side; the first motor fixing foot, the second motor fixing foot, the third motor fixing foot and the fourth motor fixing foot are all provided with the linear guide seat located at the same horizontal height.

[0015] Preferably, the cross-section of the motor housing is one of circular, square and elliptical.

[0016] Preferably, the novel motor for injection molding is connected to a drive mechanism for injection molding, and the drive mechanism for injection molding is a directly connected cylinder, a directly connected motor, or a motor that is separately connected via a transmission mechanism.

[0017] Preferably, the new motor for injection molding is slidably mounted on the guide rod seat of the injection platform through a U-shaped injection plate, and the U-shaped injection plate is an integrated structure or a split combined structure.

[0018] The advantages of the utility model are as follows: by adopting the above structure, the motor rotor is used to drive the transmission shaft to rotate synchronously. Since the transmission shaft is connected to the plasticizing component, the motor rotor is used to realize the rotation of the plasticizing component. The high temperature generated by long-term work is cooled in real time by the coolant located in the accommodating cavity, thereby ensuring that the utility model of the new type of motor for injection molding is safe and reliable when working for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] Figure 1 It is a stereogram of a new type of motor for injection molding of the utility model.

[0021] Figure 2 The utility model is a three-dimensional exploded view of a new type of motor for injection molding.

[0022] Figure 3 It is a front view of a new type of motor for injection molding of the utility model.

[0023] Figure 4 It is a cross-sectional view of a new type of motor for injection molding of the utility model.

[0024] Figure 5 The utility model is a structural schematic diagram of a new type of motor for injection molding directly connected to a cylinder.

[0025] Figure 6 The utility model is a structural schematic diagram of a new type of motor for injection molding directly connected to a cylinder and used in combination with an injection molding plate and an injection platform guide rod seat.

[0026] Figure 7 The utility model is a structural schematic diagram of a new type of motor for injection molding directly connected to a cylinder and used in combination with an injection molding plate and a linear guide rail.

[0027] Figure 8 The utility model is a structural schematic diagram of a new type of motor for injection molding, in which a motor is separately connected through a transmission mechanism and is used in combination with a plastic injection plate and a guide rod seat of a shooting platform.

[0028] Fig. 9 The utility model is a structural schematic diagram of a new type of motor for injection molding, in which a motor is separately connected through a transmission mechanism and is used in combination with a plastic injection plate and a guide rod seat of a shooting platform of a split combined structure.

[0029] In the figure: 1-motor housing, 2-motor rotor, 3-drive shaft, 4-thrust bearing, 5-plasticizing component, 6-motor front cover, 7-motor rear end cover, 8-accommodating chamber, 9-coolant inlet, 10-coolant outlet, 11-semi-ring, 12-controller, 13-motor fixing foot, 14-linear guide, 15-linear guide seat, 16-injection drive mechanism, 17-mouth-shaped injection plate, 18-injection platform guide rod seat, 19-oil seal. DETAILED DESCRIPTION

[0030] The new motor for injection molding of the utility model comprises a motor housing 1, a motor rotor 2 arranged in the motor housing 1, a transmission shaft 3 connected to the motor rotor 2, a thrust bearing 4 sleeved on the transmission shaft 3, one end of a plasticizing component 5 connected to the transmission shaft 3, and the central axis of the plasticizing component 5 coincides with the central axis of the transmission shaft 3. The motor housing 1 is provided with a motor front cover plate 6 and a motor rear end cover 7 respectively matched with the motor housing 1, and the motor housing 1, the motor front cover plate 6, and the motor rear end cover 7 form a receiving chamber 8 for placing the motor rotor 2, the transmission shaft 3 and the thrust bearing 4. The motor housing 1 is provided with a controller 12 located on or outside the motor housing, and the controller is a driving module for the motor rotor. The motor housing 1 is provided with a coolant inlet 9 and a coolant outlet 10 respectively connected to the receiving chamber 8. By adopting the above structure, the motor rotor 2 is used to drive the transmission shaft 3 to rotate synchronously. Since the transmission shaft 3 is connected to the plasticizing component 5, the motor rotor 2 is used to realize the rotation of the plasticizing component 5. The high temperature generated by long-term work is cooled in real time by the coolant located in the accommodating cavity 8, thereby ensuring the safety and reliability of the practical new motor for injection molding when working for a long time.

[0031] The transmission shaft 3 is provided with a first positioning hole for embedding the power supply motor rotor 2 at one end thereof, and a second positioning hole for embedding the plasticizing component 5 at the other end thereof. The transmission shaft 3 is provided with an oil seal 19 sleeved on the transmission shaft 3, the oil seal abuts against the inner wall of the accommodating chamber 8, the oil seal, the transmission shaft 3 and the motor housing 1 form a closed area, and the coolant inlet 9 and the coolant outlet 10 are respectively connected to the closed area. The motor front cover 6 is provided with a plasticizing component 5 mounting hole for the transmission shaft 3 to pass through, and the transmission shaft 3 is interference fit or transition fit in the plasticizing component 5 mounting hole. The plasticizing component 5 is sleeved with a half ring 11 whose end face abuts against the transmission shaft 3.

[0032] In order to achieve temperature and humidity control, when the controller 12 is located on the motor housing 1, the controller and the motor housing are an integrated structure; when the controller 12 is located outside the motor housing 1, the controller and the motor housing are a split structure; a temperature and humidity sensor and a fan are provided on the drive module. The above controller is equivalent to the drive device of the motor; when the controller and the motor housing are an integrated structure, the temperature and humidity sensor provided on the controller is used to detect that the outer shell temperature of the motor housing is too high / too low, and the coolant flow rate is controlled through the coolant inlet and coolant outlet to achieve temperature control; when the controller itself is too high / too low in temperature, a fan is used to dehumidify / dehumidify the temperature.

[0033] In the utility model, the motor housing 1 adopts a thickened design capable of withstanding high pressure. When the motor rear end cover 7 is connected to the injection drive mechanism 16, in order to ensure that the motor rear end cover 7 can withstand the high-speed thrust of the injection drive mechanism 16, the motor rear end cover 7 adopts a thickened design.

[0034] In order to facilitate the sliding use with the assembled components, the motor housing 1 is provided with a plurality of motor fixing feet 13 located below the motor housing 1, and the motor fixing feet 13 are provided with a linear guide seat 15 for sliding with the linear guide 14. The motor housing 1 is provided with four motor fixing feet 13 located below the motor housing 1, including a first motor fixing foot, a second motor fixing foot, a third motor fixing foot and a fourth motor fixing foot symmetrical to the central axis of the motor housing 1, the first motor fixing foot and the third motor fixing foot are located on the same side, and the second motor fixing foot and the fourth motor fixing foot are located on the other side; the first motor fixing foot, the second motor fixing foot, the third motor fixing foot and the fourth motor fixing foot are all provided with a linear guide seat 15 located at the same horizontal height.

[0035] In order to meet the needs of different use occasions, the cross-section of the motor housing 1 is one of round, square and elliptical. The new motor for injection molding is connected to the injection drive mechanism 16, which is directly connected to the cylinder (such as Figure 5 as shown), directly connected motors or motors connected separately through transmission mechanisms (such as Figure 8 The new motor for injection molding is installed on the guide rod seat 18 of the injection molding platform through the square-shaped injection molding plate 17 (as shown in FIG. Figure 6 As shown), the square-shaped injection molding plate 17 is an integrated structure or a split combination structure (as shown Fig. 9 shown).

[0036] The above embodiments are merely descriptions for clearly illustrating the present invention, and are not limitations on the implementation methods. For technicians in the relevant field, other different forms of changes or modifications can be made based on the above descriptions. It is not necessary and impossible to list all the implementation methods here, and the obvious changes or modifications derived therefrom are still within the scope of protection of the present invention.

Claims

1. A new type of motor for injection molding, characterized in that: The new type of motor for injection molding comprises a motor housing, a motor rotor arranged in the motor housing, a transmission shaft connected to the motor rotor, and a thrust bearing sleeved on the transmission shaft. One end of a plasticizing component is connected to the transmission shaft, and the central axis of the plasticizing component coincides with the central axis of the transmission shaft. The motor housing is provided with a motor front cover plate and a motor rear end cover which are matched with the motor housing respectively, and the motor housing, the motor front cover plate and the motor rear end cover form an accommodating cavity for placing the transmission shaft and the thrust bearing; The motor housing is provided with a controller located on or outside the motor housing, and the controller is a driving module of the motor rotor; The motor housing is provided with a coolant inlet and a coolant outlet which are respectively communicated with the accommodating cavity.

2. A new type of motor for injection molding as claimed in claim 1, characterized in that: A first positioning hole for embedding the motor rotor is provided at one end of the transmission shaft, and a second positioning hole for embedding the plasticized component is provided at the other end of the transmission shaft; The transmission shaft is provided with an oil seal sleeved on the transmission shaft, the oil seal abuts against the inner wall of the accommodating cavity, the oil seal, the transmission shaft and the motor housing form a closed area, and the coolant inlet and the coolant outlet are respectively connected to the closed area.

3. A new type of motor for injection molding as claimed in claim 1, characterized in that: The motor front cover plate is provided with a plasticizing component mounting hole for the transmission shaft to pass through, and the transmission shaft is interference fit or transition fit in the plasticizing component mounting hole.

4. A new type of motor for injection molding as claimed in claim 1, characterized in that: The plasticizing component is sleeved with a half ring whose end face abuts against the transmission shaft.

5. A new type of motor for injection molding as claimed in claim 1, characterized in that: When the controller is located on the motor housing, the controller and the motor housing are an integrated structure; when the controller is located outside the motor housing, the controller and the motor housing are a split structure; the drive module is provided with a temperature and humidity sensor and a fan.

6. A new type of motor for injection molding as claimed in claim 1, characterized in that: The motor housing is provided with a plurality of motor fixing feet located below the motor housing, and the motor fixing feet are provided with a linear guide rail seat for slidingly matching with the linear guide rail.

7. A new type of motor for injection molding as claimed in claim 6, characterized in that: The motor housing is provided with four motor fixing feet located below the motor housing, including a first motor fixing foot, a second motor fixing foot, a third motor fixing foot and a fourth motor fixing foot that are symmetrical to the central axis of the motor housing, the first motor fixing foot and the third motor fixing foot are located on the same side, and the second motor fixing foot and the fourth motor fixing foot are located on the other side; the first motor fixing foot, the second motor fixing foot, the third motor fixing foot and the fourth motor fixing foot are all provided with the linear guide seat located at the same horizontal height.

8. A new type of motor for injection molding as claimed in claim 1, characterized in that: The cross section of the motor housing is one of circular, square and elliptical.

9. A new type of motor for injection molding as claimed in claim 1, characterized in that: The new type of motor for injection molding is connected to a driving mechanism for injection molding, and the driving mechanism for injection molding is a motor that is directly connected to a cylinder, directly connected to a motor, or is split and connected via a transmission mechanism.

10. A new type of motor for injection molding as claimed in claim 1, characterized in that: The new motor for injection molding is slidably mounted on the guide rod seat of the injection platform through a U-shaped injection plate, and the U-shaped injection plate is an integrated structure or a split combined structure.

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