Small plastic part injection molding machine

Abstract

The utility model discloses a small-sized plastic part injection molding machine, and particularly relates to the technical field of injection molding machines, the small-sized plastic part injection molding machine comprises a base assembly, the front part and the rear part of the top end of the base assembly are respectively provided with an injection molding assembly and a mold placing assembly, the base assembly comprises a bottom plate, and the middle part of the top surface of the bottom plate is rotatably provided with a rotating rod; according to the small plastic part injection molding machine, abutting push rods arranged on the two sides of the rotating plate can rotate and tend to incline through movement of the racks, and the first connecting plate and the second connecting plate can be close to each other through the abutting push rods; the injection molding end of the injection molding machine body and the injection molding opening of the mold can be quickly in butt joint, the butt joint efficiency is improved, the molds of different sizes can be conveniently clamped and fixed, the injection mold can be conveniently separated, small plastic parts subjected to injection molding can be conveniently taken out, and the material taking efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machines, in particular to a small plastic parts injection molding machine. Background Art

[0002] Injection molding is a method of producing industrial products. The products produced include plastic shells of security equipment, cameras, access control, etc. Such products usually use rubber injection molding and plastic injection molding. The mold is a tool used to make molded objects. This tool is composed of various parts. Different molds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the molded material. When producing small injection molded parts, molds are needed for injection molding, and injection molding machines are needed during the mold injection molding process.

[0003] The existing Chinese patent No. 202222527189.2 discloses an injection molding machine for injection molding small plastic parts, including a workbench, the workbench includes a base plate, a support plate is connected to the base plate through a plurality of electric cylinders, an injection molding machine body is arranged above the support plate, a plurality of slide grooves are arranged on the surface of the base plate, a controller is arranged on the surface of the base plate, a clamping mechanism is arranged on the surface of the base plate, and the clamping mechanism includes two motors, so that the entire injection molding machine can clamp different small injection molds to prevent the small injection molds from shifting during the injection molding process, thereby improving the accuracy of injection molding. At the same time, through a plurality of electric cylinders, the discharge port of the injection molding machine body can be docked with the feed port of injection molds of different heights, thereby improving the convenience of the entire injection molding machine, so that the entire injection molding machine can be supported, and a control button is arranged on the surface of one of the supporting legs, so that the start and stop process of the plurality of electric cylinders can be controlled.

[0004] However, the injection molding machine still has some shortcomings in actual use. For example, there is no docking component, which makes it inconvenient to dock and separate the injection molding machine and the injection mold. At the same time, it is inconvenient to take out the plastic parts after the injection molding is completed. Utility Model Content

[0005] The purpose of the utility model is to provide a small plastic parts injection molding machine to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a small plastic parts injection molding machine, comprising a base assembly, wherein the top front and rear parts of the base assembly are respectively provided with an injection molding assembly and a mold placement assembly, the base assembly comprises a bottom plate, a rotating rod is rotatably installed in the middle of the top surface of the bottom plate, a rotating gear is fixedly sleeved at the bottom of the rotating rod, a rotating plate is fixedly sleeved at the top of the rotating rod, a push rod is rotatably installed at both ends of the bottom surface of the rotating plate, a connecting rotating seat is rotatably installed at the other ends of the two push rods, a first connecting plate and a second connecting plate are fixedly installed on the side surfaces of the two connecting rotating seats away from each other, a groove is opened on the front side of the second connecting plate, a double-headed threaded rod is rotatably installed in the groove, and a threaded slider is threadedly sleeved at both ends of the double-headed threaded rod;

[0007] A vertical plate is fixedly installed on both sides of the middle part of the top surface of the bottom plate, a transmission screw is rotatably installed between the two vertical plates, a No. 2 motor is fixedly installed on the front of one of the vertical plates, a rack is slidably installed on one side of the middle part of the top surface of the bottom plate, the rack is threadedly sleeved on the transmission screw, and one side of the rotating gear is meshed with the tooth surface of the rack;

[0008] Preferably, the mold placement assembly includes a supporting plate, a clamp is slidably installed on both sides of the top surface of the supporting plate, a threaded baffle is fixedly installed on the top and bottom of the front and back sides of the two clamps, and a connecting screw is threadedly inserted on one side of the front side of each threaded baffle.

[0009] Preferably, the injection molding assembly includes a slide plate, an electric cylinder is fixedly mounted at each of the four corners of the top surface of the slide plate, a mounting plate is fixedly mounted at the top of the four electric cylinders, and an injection molding machine body is fixedly mounted on the top surface of the mounting plate.

[0010] Preferably, the slide plate and the supporting plate are both slidably mounted on the top surface of the base plate, and the back surface of the No. 1 connecting plate is fixedly connected to the front surface of the slide plate.

[0011] Preferably, the front side of the second connecting plate is fixedly connected to the back side of the bearing plate, and the back sides of the two clamping plates are respectively fixedly connected to the front side of a threaded slider.

[0012] Preferably, a No. 1 motor is fixedly mounted on one side of the No. 2 connecting plate, and one end of the output shaft of the No. 1 motor is fixedly connected to one end of the double-headed threaded rod.

[0013] Preferably, one end of the output shaft of the second motor is fixedly connected to one end of the transmission screw, and the thread rotation directions of the two ends of the double-headed threaded rod are opposite.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the small plastic parts injection molding machine can make the push rods arranged on both sides of the rotating plate rotate and tend to tilt through the movement of the rack, and the push rods can make the No. 1 connecting plate and the No. 2 connecting plate approach each other, so that the injection end of the injection molding machine body and the injection port of the mold can be quickly connected, thereby improving the docking efficiency, and at the same time, only the rotating rod needs to be rotated in the opposite direction, so that the injection molding component and the mold placement component can be quickly moved synchronously, so that the injection molding machine body can be separated from the injection port of the mold fixedly connected in the mold placement component, thereby improving the separation efficiency, and further, it can also facilitate the clamping and fixing of molds of different sizes, and can also conveniently separate the injection molds, thereby facilitating the removal of the small plastic parts that have been injection molded, and effectively improving the material removal efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 It is a side view stereoscopic structural schematic diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the base assembly of the utility model;

[0018] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure of area A;

[0019] Figure 5 This is a schematic diagram of the three-dimensional structure of the injection molding component of the utility model;

[0020] Figure 6 It is a schematic diagram of the three-dimensional structure of the mold placement component of the utility model.

[0021] In the figure: 1. Base assembly; 101. Bottom plate; 102. Rotating rod; 103. Rotating gear; 104. Rotating plate; 105. Push rod; 106. Connecting rotating seat; 107. No. 1 connecting plate; 108. No. 2 connecting plate; 109. Double-headed threaded rod; 110. Threaded slider; 111. No. 1 motor; 112. Vertical plate; 113. Transmission screw; 114. Rack; 115. No. 2 motor; 2. Injection molding assembly; 201. Slide plate; 202. Electric cylinder; 203. Mounting plate; 204. Injection molding machine body; 3. Mold placement assembly; 301. Loading plate; 302. Clamp; 303. Threaded baffle; 304. Connecting screw. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-6 As shown, the utility model provides a technical solution: it includes a base component 1, the top front and rear parts of the base component 1 are respectively provided with an injection molding component 2 and a mold placement component 3, the base component 1 includes a bottom plate 101, a rotating rod 102 is rotatably installed in the middle of the top surface of the bottom plate 101, a rotating gear 103 is fixedly sleeved at the bottom of the rotating rod 102, a rotating plate 104 is fixedly sleeved at the top of the rotating rod 102, both ends of the bottom surface of the rotating plate 104 are rotatably installed with a push rod 105, the other ends of the two push rods 105 are rotatably installed with a connecting rotating seat 106, and a first connecting plate 107 and a second connecting plate 108 are fixedly installed on the side faces of the two connecting rotating seats 106 away from each other, a groove is opened on the front side of the second connecting plate 108, a double-headed threaded rod 109 is rotatably installed in the groove, and both ends of the double-headed threaded rod 109 are threadedly sleeved with a threaded slider 110;

[0024] A vertical plate 112 is fixedly installed on both sides of the middle of the top surface of the bottom plate 101, a transmission screw 113 is rotatably installed between the two vertical plates 112, a second motor 115 is fixedly installed on the front of one of the vertical plates 112, a rack 114 is slidably installed on one side of the middle of the top surface of the bottom plate 101, the rack 114 is threadedly sleeved on the transmission screw 113, and one side of the rotating gear 103 is meshed with the tooth surface of the rack 114;

[0025] The mold placement component 3 includes a supporting plate 301, and a clamping plate 302 is slidably installed on both sides of the top surface of the supporting plate 301. A threaded baffle 303 is fixedly installed on the top and bottom of the front and back sides of the two clamping plates 302, and a connecting screw 304 is threadedly inserted on one side of the front side of each threaded baffle 303.

[0026] In this embodiment, the injection molding component 2 includes a slide plate 201, and an electric cylinder 202 is fixedly installed at the four corners of the top surface of the slide plate 201. A mounting plate 203 is fixedly installed on the top of the four electric cylinders 202, and an injection molding machine body 204 is fixedly installed on the top surface of the mounting plate 203. Several electric cylinders 202 are connected in series to the same control switch, so that the piston rods of several electric cylinders 202 can move simultaneously, at the same speed and in the same direction, thereby conveniently adjusting the height of the injection molding machine body 204.

[0027] The slide plate 201 and the carrier plate 301 are both slidably mounted on the top surface of the base plate 101 , and the back surface of the first connecting plate 107 is fixedly connected to the front surface of the slide plate 201 .

[0028] The front side of the second connecting plate 108 is fixedly connected to the back side of the supporting plate 301, and the back sides of the two clamping plates 302 are respectively fixedly connected to the front side of a threaded slider 110. Under the action of the two threaded sliders 110, the two clamping plates 302 approach each other and will eventually abut against the two side surfaces of the mold. After abutting, the clamping and limiting of the mold can be completed.

[0029] A No. 1 motor 111 is fixedly installed on one side of the No. 2 connecting plate 108, and one end of the output shaft of the No. 1 motor 111 is fixedly connected to one end of the double-headed threaded rod 109. The two ends of the double-headed threaded rod 109 have opposite thread rotation directions. The No. 1 motor 111 can drive the double-headed threaded rod 109 to rotate, and the rotation of the double-headed threaded rod 109 can drive the two threaded sliders 110 to move closer to or away from each other.

[0030] One end of the output shaft of the second motor 115 is fixedly connected to one end of the transmission screw 113. When the second motor 115 is started, the second motor 115 can drive the transmission screw 113 to rotate, and the rotation of the transmission screw 113 can drive the rack 114 to move.

[0031] When in use, start the No. 2 motor 115, the No. 2 motor 115 can drive the transmission screw 113 to rotate, the transmission screw 113 can drive the rack 114 to move, the rack 114 can drive the rotating gear 103 to rotate, the rotating gear 103 can drive the rotating rod 102 to rotate, the rotating rod 102 can drive the rotating plate 104 to rotate, and the rotating plate 104 can be rotated to make the push rods 105 set on both sides of the rotating plate 104 rotate and tend to tilt. The rod 105 can make the No. 1 connecting plate 107 and the No. 2 connecting plate 108 approach each other, so that the injection end of the injection molding machine body 204 is connected with the injection port of the mold. After the injection is completed, only the rotating rod 102 needs to be rotated in the opposite direction to make the push rods 105 set on both sides of the rotating plate 104 rotate and tend to be straight, so that the injection molding component 2 and the mold placement component 3 can be quickly and synchronously moved, so that the injection molding machine body 204 is separated from the mold injection port fixedly connected to the mold placement component 3.

[0032] At the same time, it is convenient to clamp and fix molds of different sizes, and it is also convenient to separate the injection molds, so as to facilitate the removal of small plastic parts after injection molding, effectively improve the material taking efficiency, take out the mold and place it between the two clamping plates 302, then start the No. 1 motor 111, and the No. 1 motor 111 drives the double-headed threaded rod 109 to rotate. The rotation of the double-headed threaded rod 109 can drive the two threaded sliders 110 to approach each other. Under the action of the two threaded sliders 110, the two clamping plates 302 approach each other and will eventually abut against the two side surfaces of the mold. After abutting, the clamping limit of the mold can be completed. After clamping the mold, each connecting screw 304 is rotated to connect the connecting screw 304 with the threaded hole opened on the surface of the mold. After connecting, the fixation of the mold can be completed. After the injection molding is completed, the two clamping plates 302 can be separated from each other by controlling the double-headed threaded rod 109 to rotate in the opposite direction, and then under the action of the connecting screw 304, the mold will be separated to both sides, so that the small plastic parts formed in the mold can be conveniently taken out.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A small plastic injection molding machine, comprising a base assembly (1), characterized in that The front and rear parts of the top of the base assembly (1) are respectively provided with an injection molding assembly (2) and a mold placement assembly (3). The base assembly (1) comprises a bottom plate (101). A rotating rod (102) is rotatably mounted in the middle of the top surface of the bottom plate (101). A rotating gear (103) is fixedly sleeved at the bottom of the rotating rod (102). A rotating plate (104) is fixedly sleeved at the top of the rotating rod (102). A push-pushing device is rotatably mounted at both ends of the bottom surface of the rotating plate (104). Rod (105), the other ends of the two push rods (105) are rotatably mounted with a connecting rotating seat (106), and the two connecting rotating seats (106) are respectively fixedly mounted with a first connecting plate (107) and a second connecting plate (108) on the side away from each other, and the front of the second connecting plate (108) is provided with a groove, and a double-headed threaded rod (109) is rotatably mounted in the groove, and both ends of the double-headed threaded rod (109) are threadedly sleeved with a threaded slider (110); A vertical plate (112) is fixedly mounted on both sides of the middle of the top surface of the bottom plate (101); a transmission screw (113) is rotatably mounted between the two vertical plates (112); a second motor (115) is fixedly mounted on the front of one of the vertical plates (112); a rack (114) is slidably mounted on one side of the middle of the top surface of the bottom plate (101); the rack (114) is threadedly sleeved on the transmission screw (113); and one side of the rotating gear (103) is meshedly connected with the tooth surface of the rack (114).

2. A small plastic parts injection molding machine according to claim 1, characterized in that: The mold placement assembly (3) comprises a carrier plate (301), a clamping plate (302) is slidably mounted on both sides of the top surface of the carrier plate (301), a threaded baffle (303) is fixedly mounted on the top and bottom of the front and back sides of the two clamping plates (302), and a connecting screw (304) is threadedly inserted on one side of the front side of each threaded baffle (303).

3. A small plastic parts injection molding machine according to claim 1, characterized in that: The injection molding assembly (2) comprises a slide plate (201), an electric cylinder (202) is fixedly mounted at each of the four corners of the top surface of the slide plate (201), a mounting plate (203) is fixedly mounted at the top of the four electric cylinders (202), and an injection molding machine body (204) is fixedly mounted on the top surface of the mounting plate (203).

4. A small plastic parts injection molding machine according to claim 3, characterized in that: The slide plate (201) and the bearing plate (301) are both slidably mounted on the top surface of the bottom plate (101), and the back surface of the No. 1 connecting plate (107) is fixedly connected to the front surface of the slide plate (201).

5. A small plastic parts injection molding machine according to claim 2, characterized in that: The front side of the second connecting plate (108) is fixedly connected to the back side of the bearing plate (301), and the back sides of the two clamping plates (302) are respectively fixedly connected to the front side of a threaded slider (110).

6. A small plastic parts injection molding machine according to claim 1, characterized in that: A No. 1 motor (111) is fixedly mounted on one side of the No. 2 connecting plate (108), and one end of the output shaft of the No. 1 motor (111) is fixedly connected to one end of the double-headed threaded rod (109).

7. A small plastic parts injection molding machine according to claim 1, characterized in that: One end of the output shaft of the second motor (115) is fixedly connected to one end of the transmission screw (113), and the two ends of the double-threaded rod (109) have threads with opposite rotation directions.

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