Injection guide structure of injection molding machine

Abstract

The utility model discloses an injection guide structure of an injection molding machine, which relates to the technical field of injection molding machines and comprises an injection screw rod, an equipment rotation anti-deviation mechanism is connected behind the injection screw rod, and a residual raw material discharge mechanism is mounted behind the equipment rotation anti-deviation mechanism. The equipment rotation anti-deviation mechanism comprises a connecting ring connected to the rear portion of the injection screw. According to the injection guide structure of the injection molding machine, the processing device is mounted behind the material transfer box, the air compressor is mounted in the processing device, and compressed air enters the injection screw rod through the connection main pipe, the connection secondary pipe and the exhaust pipe; the injection screw receives air of the air compressor, gas transmission is carried out on materials remaining in the injection screw, the materials remaining in the injection screw are discharged through the injection port, the materials remaining in the injection screw can be cleaned up, and the situation that subsequent product production is affected due to material adhesion is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machines, in particular to an injection guide structure of an injection molding machine. 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. It is divided into vertical, horizontal and all-electric types. The injection molding machine can heat the plastic and apply high pressure to the molten plastic to make it eject and fill the mold cavity, thereby making a model. It is widely used in the industrial field. For this purpose, an injection guide structure of an injection molding machine is proposed.

[0003] The existing referenceable Chinese utility model patent with announcement number CN212888781U discloses a guide structure of an electric injection molding machine. The guide structure of the electric injection molding machine includes a workbench with support legs welded at the four corners of the bottom, a clamping mechanism and an injection mechanism are arranged on the workbench, the injection mechanism includes an injection cylinder with a feed cylinder on the top, the clamping mechanism includes an operation frame, a V-shaped injection hole is opened on the operation frame, and the V-shaped injection hole is adapted to the injection cylinder, a guide mechanism is arranged on the top of the workbench, and the guide mechanism includes a mounting block welded on the outer wall of the top of the workbench, and a first forward and reverse motor is fixedly installed on the outer wall of one side of the mounting block by bolts. The first screw rod and the second screw rod of the utility model rotate clockwise at the same time, so that the two first threaded sleeves are close to each other, so that the injection cylinder is accurately inserted into the V-shaped injection hole on the operation frame. In this way, the threaded guide can improve the precision of the guide, and has a long service life, ensuring the normal use of the electric injection molding machine.

[0004] During the use of the injection guide structure of the existing injection molding machine, since the injection molding machine advances in a spiral manner during injection, the equipment rotates continuously during injection, which is prone to offset, resulting in the inability to connect the injection material between the devices. At the same time, the injection screw is threaded, and material will still remain inside the injection screw after the injection is completed, resulting in differences in the quality of the finished mold, which needs to be improved. Therefore, technical personnel in this field provide an injection guide structure for an injection molding machine to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model aims to provide an injection guide structure of an injection molding machine, so as to solve the problems of accurate guiding and residual raw material cleaning of the injection guide structure of the existing injection molding machine proposed in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An injection guide structure of an injection molding machine, comprising an injection screw, a device rotation anti-deviation mechanism connected to the rear of the injection screw, a surplus material discharge mechanism installed behind the device rotation anti-deviation mechanism, the device rotation anti-deviation mechanism comprising: a connecting ring connected to the rear of the injection screw, a connecting rod inserted in the middle of the connecting ring, a rotating device installed outside the rear of the connecting ring, a rotating ring installed outside the connecting rod, a clamping device for preventing device deviation installed outside the rotating ring, and an injection port for material discharge installed in front of the injection screw;

[0008] The residual raw material discharge mechanism includes: a processing device installed behind the rotating device, an air compressor for air compression is installed inside the processing device, a connecting main pipe is connected in front of the air compressor, and a pneumatic valve for air discharge is installed above the connecting main pipe, and a connecting secondary pipe is obliquely connected in front of the connecting main pipe.

[0009] Preferably, a material transfer box is installed in the middle of the processing device, and an injection material trough is connected to the top of the material transfer box, and an injection shell is installed on the outside of the injection screw; the injection shell seals the injection screw.

[0010] Preferably, a circular feed port is provided on the top of the transfer box, and a spray port is provided in the middle of the front of the transfer box, a transfer pipe is connected between the feed port and the spray port, and an exhaust pipe is inserted at the rear of the transfer box; the spray port allows the material to be discharged into the next process.

[0011] Preferably, the injection screw has a threaded shape, and the rotating device is installed in front of the transfer box. The clamping device is distributed in a ring-shaped relationship with the midpoint of the rotating ring, and the connecting rod is inserted through the midpoint of the connecting ring and connected to the rear end of the injection screw; the injection screw heats the material and extrude it out.

[0012] Preferably, the air compressor is connected through a connecting main pipe, a connecting secondary pipe and a material transfer box, and the connecting secondary pipe is connected to the rear of the exhaust pipe, and the exhaust pipe is connected to the rear of the material transfer pipe; the setting of the exhaust pipe enables the devices to be connected.

[0013] Preferably, the bottom of the injection trough and the opening of the feed port are of the same size, and the transfer pipe is curved; the injection trough is used to install and discharge the processed materials.

[0014] Preferably, a groove is provided in the middle of the processing device, and a transfer box is clamped inside the groove in the processing device, and the injection shell can protect the outside of the injection screw; the transfer box transfers the material.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The injection guide structure of this injection molding machine is provided with a connecting ring installed at the rear of the injection screw. The setting of the connecting ring connects the injection screw and the material transfer box to transfer the material. At the same time, a rotating ring is provided inside the connecting ring. The rotating ring connects the rear end of the injection screw so that the injection screw rotates with the equipment. A clamping device is provided outside the rotating ring. The clamping device is distributed in a ring-shaped relationship through the midpoint of the rotating ring, and the outside of the rotating ring can be fixed. When the injection screw is rotating, the clamping device fixes the position of the rotating ring, which can prevent the injection screw from being offset during use, so that the injection port at one end of the injection screw and the equipment are accurately connected, which is convenient for material transmission.

[0017] 2. The injection guide structure of this injection molding machine is equipped with a processing device at the rear of the material transfer box. An air compressor is installed inside the processing device. The air compressor enters the interior of the injection screw through the connection main pipe, the connection secondary pipe and the exhaust pipe. The injection screw receives the air from the air compressor and transmits the residual material inside the injection screw through gas, so that the residual material inside the injection screw is discharged through the injection port. The residual material inside the injection screw can be cleaned to prevent the material from sticking and affecting the subsequent product production. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of an injection guide structure of an injection molding machine in one embodiment of the utility model;

[0019] Figure 2 This is a schematic diagram of an injection screw structure of an injection guide structure of an injection molding machine in one embodiment of the utility model;

[0020] Figure 3 This is a schematic structural diagram of a processing device for an injection guide structure of an injection molding machine in one embodiment of the utility model;

[0021] Figure 4 The present invention is a schematic diagram of a transfer box structure of an injection guide structure of an injection molding machine in one embodiment of the present invention.

[0022] 1. Injection trough; 2. Transfer box; 21. Feed port; 22. Transfer pipe; 23. Spray port; 24. Exhaust pipe; 3. Processing device; 31. Air compressor; 32. Connecting main pipe; 33. Pneumatic valve; 34. Connecting secondary pipe; 4. Injection screw; 41. Injection port; 42. Connecting ring; 43. Connecting rod; 44. Rotating ring; 45. Clamping device; 46. Rotating device; 5. Injection shell. DETAILED DESCRIPTION

[0023] 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.

[0024] Combined with Figure 1-Figure 4 In this embodiment, an injection guide structure of an injection molding machine includes an injection screw 4, a device rotation anti-deviation mechanism is connected to the rear of the injection screw 4, a residual raw material discharge mechanism is installed behind the device rotation anti-deviation mechanism, a transfer box 2 is installed in the middle of the processing device 3, an injection trough 1 is connected to the top of the transfer box 2, a circular feed port 21 is opened above the transfer box 2, and a spray port 23 is set in the middle of the front of the transfer box 2, a transfer pipe 22 is connected between the feed port 21 and the spray port 23, and an exhaust pipe 24 is inserted at the rear of the transfer box 2.

[0025] Specifically, a feed port 21 and a spray port 23 are installed above and at the front end of the transfer box 2, respectively. A transfer pipe 22 is connected between the feed port 21 and the spray port 23. The feed port 21 transfers the raw materials inside the injection trough 1 to the injection screw 4 through the transfer pipe 22 and the spray port 23, and the material is heated, extruded, and other procedures are performed to form the material.

[0026] The remaining raw material discharge mechanism includes: a processing device 3 installed at the rear of the rotating device 46, an air compressor 31 is installed inside the processing device 3, and a connecting main pipe 32 is connected to the front of the air compressor 31, and a pneumatic valve 33 is installed above the connecting main pipe 32, and a connecting secondary pipe 34 is obliquely connected to the front of the connecting main pipe 32; the air compressor 31 is connected to the transfer box 2 through the connecting main pipe 32, the connecting secondary pipe 34, and the connecting secondary pipe 34 is connected to the rear of the exhaust pipe 24, and the exhaust pipe 24 is connected to the rear of the transfer pipe 22; the bottom of the injection trough 1 and the opening size of the feed port 21 are consistent, and the transfer pipe 22 is curved.

[0027] Specifically, an air compressor 31 is installed inside the processing device 3. The air compressor 31 compresses the air outside the processing device 3 and allows the air to enter the injection screw 4 through the connecting main pipe 32, the connecting secondary pipe 34, and the exhaust pipe 24. The raw materials remaining at the threads of the injection screw 4 can be discharged through the compressed gas, thereby avoiding residual raw materials in the injection screw 4.

[0028] The anti-deviation mechanism of the equipment rotation includes: a connecting ring 42 connected to the rear of the injection screw 4, a connecting rod 43 is inserted and connected in the middle of the connecting ring 42, and a rotating device 46 is installed on the rear outside of the connecting ring 42, and a rotating ring 44 is installed on the outside of the connecting rod 43, a clamping device 45 is installed on the outside of the rotating ring 44, and an injection port 41 is installed in front of the injection screw 4; the injection screw 4 has a threaded shape, and the rotating device 46 is installed in front of the transfer box 2, the clamping device 45 is distributed in a ring relationship with the midpoint of the rotating ring 44, and the connecting rod 43 is inserted through the midpoint of the connecting ring 42 and connected to the rear end of the injection screw 4.

[0029] An injection shell 5 is installed on the outside of the injection screw 4 ; a groove is provided in the middle of the processing device 3 , and the transfer box 2 is clamped inside the groove in the processing device 3 , and the injection shell 5 can protect the outside of the injection screw 4 .

[0030] Specifically, a rotating ring 44 is installed at the rear of the injection screw 4, which connects the injection screw 4 and the transmission device so that the injection screw 4 can rotate. At the same time, a clamping device 45 is provided on the outside of the rotating ring 44. The setting of the clamping device 45 fixes the rotating ring 44, which can prevent the rear of the injection screw 4 from being offset due to mechanical rotation, thereby ensuring the precise position of the injection screw 4.

[0031] Working principle: First, the material to be processed is placed inside the injection trough 1. The injection trough 1 guides the raw material to the injection screw 4 through the setting of the feed port 21, the transfer tube 22 and the injection port 23. The injection screw 4 is provided with an injection shell 5 on the outside. The injection shell 5 seals and protects the outside of the injection screw 4. The injection screw 4 is connected to the internal equipment of the processing device 3 through the setting of the connecting ring 42 and the rotating ring 44, so that the injection screw 4 rotates at the front end of the connecting ring 42. When rotating, the outside of the rotating ring 44 is provided with a clamping device 45. The setting of the clamping device 45 fixes the rotating ring 44, which can prevent the injection screw 4 and the rotating ring 44 from deviating during the rotation process, so that the injection The screw 4 is precisely positioned. After the raw material has been heated, dissolved, extruded and other processes by the injection screw 4, the injection port 41 is used to extrude and discharge the raw material at the injection screw 4. The discharged raw material becomes a model after cooling and other processes. When the equipment is finished, in order to prevent the raw material from remaining outside the injection screw 4, the air compressor 31 inside the processing device 3 is turned on. The air compressor 31 compresses the air and allows the air to enter the injection screw 4 through the connection main pipe 32, the connection secondary pipe 34, and the exhaust pipe 24. The raw material remaining at the thread of the injection screw 4 can be discharged through the compressed gas, thereby avoiding raw material residue. In this way, the entire use process of the injection guide structure of the entire injection molding machine is completed.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An injection guide structure of an injection molding machine, comprising an injection screw (4), a device rotation anti-deviating mechanism connected to the rear of the injection screw (4), a surplus raw material discharge mechanism installed behind the device rotation anti-deviating mechanism, characterized in that: The device rotation anti-deviating mechanism comprises: a connecting ring (42) connected to the rear of the injection screw (4), a connecting rod (43) is inserted and connected in the middle of the connecting ring (42), a rotating device (46) is installed on the rear of the connecting ring (42), a rotating ring (44) is installed on the outside of the connecting rod (43), a clamping device (45) is installed on the outside of the rotating ring (44), and an injection port (41) is installed in front of the injection screw (4); The excess raw material discharge mechanism comprises: a processing device (3) installed behind the rotating device (46), an air compressor (31) installed inside the processing device (3), a connecting main pipe (32) connected in front of the air compressor (31), a pneumatic valve (33) installed above the connecting main pipe (32), and a connecting secondary pipe (34) obliquely connected in front of the connecting main pipe (32).

2. The injection guide structure of an injection molding machine according to claim 1, characterized in that: A material transfer box (2) is installed in the middle of the processing device (3), and an injection trough (1) is connected to the top of the material transfer box (2), and an injection shell (5) is installed outside the injection screw (4).

3. The injection guide structure of an injection molding machine according to claim 2, characterized in that: A circular feed port (21) is provided on the top of the transfer box (2), and a spray port (23) is provided in the middle of the front of the transfer box (2). A transfer pipe (22) is connected between the feed port (21) and the spray port (23), and an exhaust pipe (24) is inserted at the rear of the transfer box (2).

4. The injection guide structure of an injection molding machine according to claim 2, characterized in that: The injection screw (4) has a threaded shape, and the rotating device (46) is installed in front of the transfer box (2). The clamping device (45) is distributed in a ring-shaped relationship with the midpoint of the rotating ring (44), and the connecting rod (43) is inserted through the midpoint of the connecting ring (42) and connected to the rear end of the injection screw (4).

5. The injection guide structure of an injection molding machine according to claim 3, characterized in that: The air compressor (31) is connected to the material transfer box (2) through a connecting main pipe (32), a connecting secondary pipe (34), and the connecting secondary pipe (34) is connected to the rear of the exhaust pipe (24), and the exhaust pipe (24) is connected to the rear of the material transfer pipe (22).

6. The injection guide structure of an injection molding machine according to claim 3, characterized in that: The bottom of the injection trough (1) and the opening of the feed port (21) are of the same size, and the transfer pipe (22) is curved.

7. The injection guide structure of an injection molding machine according to claim 2, characterized in that: A groove is provided in the middle of the processing device (3), and the transfer box (2) is clamped inside the groove in the processing device (3). The injection shell (5) can protect the outside of the injection screw (4).

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