CN217346550U

CN217346550U - Electric drive device of feeding screw of injection molding machine

Info

Publication number: CN217346550U
Application number: CN202123451884.7U
Authority: CN
Inventors: 谢佰良; 陈振云; 高方就; 陈圣亮; 陈邦灿
Original assignee: Guangdong Zhude Industrial Co ltd
Current assignee: Guangdong Zhude Industrial Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-09-02
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses an electric drive device of injection molding machine pay-off screw rod, including base, drive seat, transmission wheelset and transmission shaft. The base is provided with a screw rod for feeding, and the screw rod is rotationally connected with the base; the driving seat is fixedly connected with the base and provided with a motor, the motor is positioned above the base and is provided with an output shaft; the transmission wheel set comprises a driving wheel, a driven wheel and a belt, the belt is hung between the driving wheel and the driven wheel, the driving wheel is arranged on the output shaft, and the driven wheel is connected with the screw rod; the base is worn to locate by the transmission shaft, and transmission shaft one end is connected with the screw rod, and the other end is connected from the driving wheel, and the transmission wheelset drives the electric drive that the screw rod realized the screw rod through the drive transmission shaft, helps improving electric energy efficiency, and can realize the quick adjustment rotational speed. The transmission shaft provided with the driving screw is beneficial to realizing the quick assembly and disassembly of the screw.

Description

Electric drive device of feeding screw of injection molding machine

Technical Field

The utility model relates to a graduated flask production technical field, in particular to electric drive arrangement of injection molding machine pay-off screw rod.

Background

The injection molding machine is widely applied to the fields of plastic manufacturing and molding, thermosetting material molding and the like as industrial mechanical equipment. At present, the plasticizing power of the injection molding machine is mainly provided by a large-torque hydraulic motor, and a large amount of heat is generated in the process of driving a screw by the rotation of the hydraulic motor, so that the oil temperature is increased, and the stability of the system is influenced. Meanwhile, the hydraulic motor needs an oil pump to supply oil to rotate, so that the electric energy efficiency is low, the general rotating speed of the high-torque hydraulic pressure is not high, the rotating speed is not convenient to adjust rapidly, and the screw is difficult to rotate at a high speed, so that the injection molding machine is difficult to obtain high-efficiency and energy-saving power.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide an electric drive of injection molding machine pay-off screw rod, simple structure improves the rotational speed and the efficiency of injection molding machine.

According to the utility model discloses a, provide an electric drive arrangement of injection molding machine pay-off screw rod, including base, drive seat, transmission wheelset and transmission shaft. The base is provided with a screw rod for feeding, and the screw rod is rotationally connected with the base; the driving seat is fixedly connected with the base and provided with a motor, the motor is positioned above the base and is provided with an output shaft; the transmission wheel set comprises a driving wheel, a driven wheel and a belt, the belt is hung between the driving wheel and the driven wheel, the driving wheel is arranged on the output shaft, and the driven wheel is connected with the screw rod; the base is worn to locate by the transmission shaft, and transmission shaft one end is connected with the screw rod, and the other end is connected from the driving wheel, and the transmission wheelset drives the screw rod through the drive transmission shaft and realizes the pay-off.

An electric drive arrangement of injection molding machine pay-off screw rod following beneficial effect has at least: this embodiment sets up the drive seat on the base, and the drive seat top is provided with the motor, and the motor has the output shaft, and the transmission wheelset is connected in the output shaft and the transmission shaft of motor, and the transmission shaft is connected with the screw rod, realizes the electric drive of screw rod, helps improving electric energy efficiency, and can realize the quick adjustment rotational speed. The drive shaft provided with the drive screw is helpful for realizing the quick assembly and disassembly of the screw.

According to an electric drive arrangement of injection molding machine pay-off screw rod, lie in on the base from one side of driving wheel and be equipped with the connecting plate, drive seat fixed connection in connecting plate, the processing of the base of being convenient for and the installation of bearing.

According to an electric drive arrangement of injection molding machine pay-off screw rod, the drive seat includes medium plate, back plate and reinforcing plate, and the reinforcing plate is connected between medium plate and back plate, helps improving the structural strength who drives the seat.

According to an electric drive arrangement of injection molding machine pay-off screw rod, be provided with the bracing piece on the medium plate, bracing piece one end connection base, the medium plate is connected to the other end, helps improving the stability of being connected of drive seat and base.

According to an electric drive arrangement of injection molding machine pay-off screw rod, be equipped with the adjusting plate on the drive seat, motor fixed connection in adjusting plate, the quick installation and the position adjustment of the motor of being convenient for.

According to an electric drive arrangement of injection molding machine pay-off screw rod, be equipped with the slotted hole on the adjusting plate for the elasticity of adjustment belt.

According to an electric drive arrangement of injection molding machine pay-off screw rod, be equipped with the tensioning piece on the drive seat, the tensioning piece is located the below of adjusting plate for adjust the position of adjusting plate.

According to an electric drive arrangement of injection molding machine pay-off screw rod, high moment of torsion circular arc tooth hold-in range is chooseed for use to the belt for improve transmission efficiency.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is an axial view of an electric drive device of a feeding screw of an injection molding machine according to an embodiment of the present invention;

fig. 2 is a sectional view of a transfer mechanism according to an embodiment of the present invention.

Reference numerals are as follows:

a base 100; a screw 110; a driving seat 120; a rear plate 121; a reinforcing plate 122; a middle plate 123; a support rod 124; a motor 130; an adjustment plate 131; a slot 132; a tensioning block 133; a driving wheel group 140; a capstan 141; a belt 142; a driven pulley 143; a drive shaft 150; a connecting plate 160.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 2, an embodiment of the present invention provides an electric driving device for a feeding screw of an injection molding machine, including a base 100, a driving seat 120, a driving wheel set 140, and a driving shaft 150. The base 100 is provided with a screw 110 for feeding, the screw 110 is rotatably connected to the base 100, and it is understood that the screw 110 is connected to the base 100 through a rolling bearing. The driving seat 120 is fixedly connected to the base 100, and optionally, the driving seat 120 includes a middle plate 123, a rear plate 121 and a reinforcing plate 122, the rear plate 121 is fixedly connected to the base 100, and the reinforcing plate 122 is preferably a triangular metal plate, and is respectively connected to the middle plate 123 and the rear plate 121, so as to improve the strength of the driving seat 120. While the middle of the reinforcing plate 122 has a circular hole for light weight and reduced material usage. Preferably, the driving seat 120 is made of metal plates such as carbon steel, stainless steel or aluminum alloy by welding, so that the process is simple, the strength is good, and the cost is reduced. Optionally, a connecting plate 160 is provided at the connection portion of the base 100 and the driving seat 120 to facilitate the installation of the screw 110 and the rolling bearing. Optionally, the middle plate 123 is provided with a support rod 124, one end of the support rod 124 is connected to the base 100 through a bolt, the other end of the support rod 124 is connected to the middle plate 123 through a bolt, and meanwhile, an adjusting nut is used at a connection position of the support rod 124 and the middle plate 123 to adjust tightness of the support rod 124, which is beneficial to improving connection stability of the driving seat 120 and the base 100.

The driving socket 120 is provided with a motor 130, the motor 130 is located above the base 100, and the motor 130 has an output shaft. Optionally, an adjusting plate 131 is disposed at a connecting portion of the motor 130 and the driving base 120, the motor 130 is fixed to the adjusting plate 131 through a bolt, the adjusting plate 131 is fixed to the driving base 120 through a bolt, and a slot 132 is disposed on the adjusting plate 131 for adjusting a position of the motor 130 to adjust a tightness of the belt 142, thereby facilitating a quick installation and a position adjustment of the motor. Alternatively, the driving base 120 is provided with a tensioning block 133, the tensioning block 133 is positioned below the adjusting plate 131, the tensioning block 133 is provided with a bolt, the tail end of the bolt abuts against the lower part of the adjusting plate 131, and the position of the adjusting plate 131 can be simply adjusted by rotating the bolt.

The transmission wheel set 140 includes a driving wheel 141, a driven wheel 143 and a belt 142, the belt 142 is hung between the driving wheel 141 and the driven wheel 143, the driving wheel 141 is disposed on the output shaft, and the driven wheel 143 is connected with the screw 110, so that the motor 130 drives the screw 110 to rotate. Optionally, a transmission shaft 150 is disposed on the base 100, the transmission shaft 150 penetrates through the base 100, one end of the transmission shaft 150 is connected to the screw 110, the other end of the transmission shaft 150 is connected to the driven wheel 143, and the transmission wheel set 140 drives the screw 110 to feed materials by driving the transmission shaft 150. Optionally, a rolling bearing is provided at one end of the transmission shaft 150 located at the driven wheel 143 to achieve the rotational connection of the transmission shaft 150 with the base 100. Optionally, the belt 142 is a high-torque circular arc tooth synchronous belt, and the driving wheel 141 and the driven wheel 143 are provided with circular arc teeth meshed with the belt 142, which is beneficial to improving transmission efficiency. Optionally, the pitch diameter of the gear teeth on the driving wheel 141 is smaller than that of the driven wheel 143, which helps to enhance the starting torque of the motor 130 and improve the processing efficiency.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An electric drive for a feed screw of an injection molding machine, comprising:

a base (100) provided with a screw (110) for feeding, the screw (110) being rotatably connected to the base (100);

the driving seat (120) is fixedly connected with the base (100), the driving seat (120) is provided with a motor (130), the motor (130) is positioned above the base (100), and the motor (130) is provided with an output shaft;

the transmission wheel set (140) comprises a driving wheel (141), a driven wheel (143) and a belt (142), the belt (142) is hung between the driving wheel (141) and the driven wheel (143), the driving wheel (141) is arranged on the output shaft, and the driven wheel (143) is connected with the screw (110);

the transmission shaft (150) penetrates through the base (100), one end of the transmission shaft (150) is connected with the screw rod (110), the other end of the transmission shaft (150) is connected with the driven wheel (143), and the transmission wheel set (140) drives the transmission shaft (150) to drive the screw rod (110) to realize feeding.

2. The electric drive of a feed screw of an injection molding machine of claim 1, wherein: a connecting plate (160) is arranged on one side, located on the driven wheel (143), of the base (100), and the driving seat (120) is fixedly connected to the connecting plate (160).

3. The electric drive of the feed screw of an injection molding machine as set forth in claim 1, wherein: the driving seat (120) comprises a middle plate (123), a rear plate (121) and a reinforcing plate (122), wherein the reinforcing plate (122) is connected between the middle plate (123) and the rear plate (121), and the structural strength of the driving seat (120) is improved.

4. An electric drive for a feed screw of an injection molding machine as claimed in claim 3, characterized in that: the middle plate (123) is provided with a support rod (124), one end of the support rod (124) is connected with the base (100), the other end of the support rod (124) is connected with the middle plate (123), and the connection stability of the driving seat (120) and the base (100) is improved.

5. The electric drive of a feed screw of an injection molding machine of claim 1, wherein: an adjusting plate (131) is arranged on the driving seat (120), and the motor (130) is fixedly connected to the adjusting plate (131).

6. An electric drive for a feed screw of an injection molding machine as set forth in claim 5, wherein: the adjusting plate (131) is provided with a slot hole (132) for adjusting the tightness of the belt (142).

7. An electric drive for a feed screw of an injection molding machine as set forth in claim 5, wherein: the driving seat (120) is provided with a tensioning block (133), and the tensioning block (133) is located below the adjusting plate (131) and used for adjusting the position of the adjusting plate (131).

8. The electric drive of a feed screw of an injection molding machine of claim 1, wherein: the belt (142) is a high-torque circular arc tooth synchronous belt for improving the transmission efficiency.