Feeding device for injection molding machine

Abstract

The utility model relates to the technical field of injection molding machine equipment, in particular to a feeding device for an injection molding machine. The feeding device for the injection molding machine comprises a material tank, the material tank is in a wide-end-up shape, and a discharging pipe is installed at the bottom of the material tank; the supporting frame is fixedly mounted on the outer side of the material tank, and a supporting plate is mounted at the top end of the supporting frame; the transmission rod is rotationally installed on the supporting plate, a spiral blade is fixedly installed at the end, extending into the discharging pipe, of the transmission rod, an upper chuck is fixedly installed at the top end of the transmission rod, a plurality of scraping rods are installed on the upper chuck, and a transmission shaft is rotationally installed on the supporting frame; the top end of the transmission shaft is in transmission connection with the transmission rod through a belt wheel, a servo motor used for driving the transmission shaft to rotate is installed at the bottom end of the supporting frame, and a vibrating piece is installed on the upper chuck. The feeding device for the injection molding machine provided by the utility model has the advantage of smooth blanking.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine equipment technical field especially relates to a feeding device for injection molding machine. BACKGROUND

[0002] Injection molding machine is also called injection molding machine, injection molding machine is the thermoplastic plastic or thermosetting plastic is made into various shapes plastic products using plastic forming mould main forming equipment, injection molding machine can be divided into vertical, horizontal and vertical and horizontal composite according to the arrangement of injection device and locking device. Injection molding machine usually consists of injection system, clamping system, hydraulic transmission system, electrical control system, lubrication system, heating and cooling system, safety monitoring system etc. Injection molding machine can heat plastic, melt plastic and apply high pressure to make it fill the mold cavity.

[0003] The existing injection molding machine feeding system is mostly automatic downward conveying by using the gravity of the material, which is easy to block the discharge port during feeding, affecting the discharge, and the publication number CN220841203U discloses a feeding device for injection molding machine, which comprises a tank body, a feeding inlet is connected and installed on one side of the tank body, a rotary motor and a push rod motor are fixedly installed at the top end of the tank body, a rotary gear is connected and installed on the output shaft of the rotary motor, a rotary frame is rotatably connected to the inner wall at the top end of the tank body, a stirring roller is fixedly installed at the bottom of the rotary gear, an extrusion plate is slidably connected in the tank body, the output shaft of the push rod motor is rotatably connected with the extrusion plate, a flow guide frame is fixedly installed on the inner wall at the bottom of the tank body, and a discharge port is connected and installed on the outside of the tank body. The utility model can effectively avoid material residues during feeding, completely discharge the material and have certain practicality, but in specific use, although the stirring rod can rotate to promote the material to descend during discharging, the discharge port is horizontally arranged at the bottom of the tank body, and the discharge port is easy to be blocked, affecting normal discharging.

[0004] Therefore, it is necessary to provide a new feeding device for injection molding machine to solve the above technical problems. INVENTION CONTENTS

[0005] To solve the above technical problems, the utility model provides a feeding device for injection molding machine with smooth discharging.

[0006] The feeding device for injection molding machine provided by the utility model comprises a tank, the tank is wide at the top and narrow at the bottom, and a discharge pipe is installed at the bottom of the tank;

[0007] A support frame is fixedly installed on the outside of the tank, and a support plate is installed at the top end of the support frame;

[0008] A transmission rod is rotatably installed on the support plate, and a spiral blade is fixedly installed on one end of the transmission rod extending into the discharge pipe, an upper chuck is fixedly installed on the top end of the transmission rod, a plurality of scraping rods are installed on the upper chuck, a transmission shaft is rotatably installed on the support frame, the top end of the transmission shaft is connected with the transmission rod through a belt wheel transmission, a servo motor for driving the transmission shaft to rotate is installed on the bottom end of the support frame, and a vibrating member is installed on the upper chuck.

[0009] Preferably, the outer side walls of the plurality of scraping rods are in sliding fit with the inner side walls of the tank.

[0010] Preferably, the vibrating member comprises a bevel gear one, a lifting rod and a connecting rod, the bevel gear one is fixedly installed on the support plate, the lifting rod is slidingly installed on the upper chuck, a connecting plate is fixedly installed on the bottom end of the lifting rod, a tamping rod is fixedly installed on the bottom end of the connecting plate, a transmission plate is hingedly connected to the top end of the lifting rod, the connecting rod is fixedly installed on the transmission rod, a bevel gear two is rotatably installed on the connecting rod, a transmission column is fixedly installed on the bevel gear two, and the transmission column is hingedly connected with the transmission plate.

[0011] Preferably, the connecting plate is provided with a through hole in sliding fit with the transmission rod.

[0012] Preferably, a sealing cover is installed on the top end of the tank, and a feeding port is formed in one side of the sealing cover.

[0013] Preferably, a lower chuck is installed on the transmission rod, a plurality of reinforcing rods are installed on the lower chuck, and the bottom ends of the plurality of reinforcing rods are fixedly connected with the plurality of scraping rods.

[0014] Compared with the related art, the feeding device for injection molding machine has the following beneficial effects:

[0015] 1. The feeding device for injection molding machine is provided with the transmission rod on the support plate, the spiral blade and the scraping rod are installed on one end of the transmission rod extending into the tank, and the plastic particles in the tank can be fully stirred and discharged, and the spiral blade can forcibly discharge the plastic particle raw materials from the discharge pipe.

[0016] 2. The vibrating member is installed on the upper chuck, and the vibrating member utilizes the cooperation of the bevel gear one, the lifting rod, the connecting plate, the tamping rod, the transmission plate, the connecting rod, the bevel gear two and the transmission column to simultaneously vibrate the tank up and down when the material is stirred and discharged, so that the material is prevented from being blocked. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The structure diagram of a preferred embodiment of the feeding device for injection molding machine is provided.

[0018] Figure 2 The structure schematic view of the shaft section of the feeding device for the injection molding machine is provided in the utility model.

[0019] Figure 3 The structure schematic view of the feeding device for the injection molding machine is provided in the utility model.

[0020] Figure 4 For Figure 3 The local enlarged view of A is shown.

[0021] The label in the figure: 1, the material tank; 11, the discharge pipe; 2, the support frame; 21, the support plate; 3, the transmission rod; 31, the spiral blade; 32, the upper chuck; 33, the scraping rod; 34, the transmission shaft; 35, the servo motor; 4, the vibrating element; 41, the bevel gear one; 42, the lifting rod; 43, the connecting plate; 44, the rammer; 45, the transmission plate; 46, the connecting rod; 47, the bevel gear two; 471, the transmission column; 5, the sealing cover; 501, the feeding port; 6, the lower chuck; 7, the reinforcing rod. Specific embodiments

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0023] The specific implementation of the utility model is described in detail in combination with specific examples.

[0024] Please refer to Figures 1 to 4 The utility model embodiment provides a kind of feeding device for injection molding machine, the feeding device for injection molding machine includes:

[0025] Material tank 1, the material tank 1 is wide in upper, and the bottom of the material tank 1 is equipped with discharge pipe 11;

[0026] Support frame 2, fixedly installed on the outside of the material tank 1, and the top end of the support frame 2 is equipped with support plate 21;

[0027] Transmission rod 3, rotationally installed on the support plate 21, and the end of the transmission rod 3 entering discharge pipe 11 is fixedly installed with spiral blade 31, the top end of the transmission rod 3 is fixedly installed with upper chuck 32, the upper chuck 32 is installed with a plurality of scraping rods 33, the support frame 2 is rotationally installed with transmission shaft 34, the top end of the transmission shaft 34 is connected with transmission rod 3 by pulley transmission, the bottom end of the support frame 2 is equipped with servo motor 35 for driving transmission shaft 34 to rotate, the upper chuck 32 is installed with vibrating element 4.

[0028] The top end of the material tank 1 is provided with a sealing cover 5, and a feeding port 501 is formed in one side of the sealing cover 5.

[0029] The transmission rod 3 is provided with a lower chuck 6, and a plurality of reinforcing rods 7 are fixedly connected to the lower chuck 6.

[0030] It should be noted that, in use, the discharge pipe 11 of the material tank 1 is connected to the feeding end of the injection molding machine, and then the material particle raw material is poured into the material tank 1 through the feeding port 501 of the sealing cover 5; when discharging, the servo motor 35 is started to drive the transmission shaft 34 to rotate, and the transmission shaft 34 drives the transmission rod 3 to rotate through the belt wheel, so that the transmission rod 3 drives the scraper rod 33 and the spiral blade 31 to rotate synchronously when the transmission rod 3 rotates, so that the material in the material tank 1 is discharged from the discharge pipe 11, and the discharging is very smooth.

[0031] It should be further noted that, when the scraper rod 33 rotates, the transmission rod 3 utilizes the lower chuck 6 and the reinforcing rod 7 to support and improve the connection strength of the scraper rod 33.

[0032] In the embodiment of the utility model, please refer to Figures 1 to 4 The outer side wall of the plurality of scraper rods 33 is in sliding fit with the inner side wall of the material tank 1.

[0033] It should be noted that, in this way, the scraper rod 33 can scrape the inner wall of the material tank 1, so that the material is not adhered to the inner wall of the material tank 1 to affect normal discharging.

[0034] In the embodiment of the utility model, please refer to Figures 1 to 4 The vibrating member 4 comprises a bevel gear one 41, a lifting rod 42 and a connecting rod 46, the bevel gear one 41 is fixedly installed on the support plate 21, the lifting rod 42 is slidingly installed on the upper chuck 32, the bottom end of the lifting rod 42 is fixedly installed with a connecting plate 43, the bottom end of the connecting plate 43 is fixedly installed with a tamping rod 44, the top end of the lifting rod 42 is hinged with a transmission plate 45, the connecting rod 46 is fixedly installed on the transmission rod 3, and a bevel gear two 47 is rotatably installed on the connecting rod 46, the bevel gear two 47 is fixedly installed with a transmission column 471, and the transmission column 471 is hinged with the transmission plate 45.

[0035] It should be noted that when the vibrator 4 is in use, when the transmission rod 3 rotates, the second bevel gear 47 rotates synchronously with the transmission rod 3 under the drive of the connecting rod 46. When rotating, the second bevel gear 47 meshes with the first bevel gear 41, thereby driving the second bevel gear 47 to rotate synchronously. When rotating, the lifting rod 42 is driven to slide up and down along the upper chuck 32 through the transmission column 471 and the connecting rod 46. When sliding, the tamping rod 44 is driven to move up and down in the material tank 1 synchronously through the connecting plate 43, tamping the material in the material tank 1, so that the material in the material tank 1 can be discharged smoothly.

[0036] In this embodiment, the connecting plate 43 has a through hole that slides with the transmission rod 3. When the connecting plate 43 moves, it slides up and down along the transmission rod 3, making the vibration more stable.

[0037] The working principle of the feeding device for injection molding machines provided by this utility model is as follows:

[0038] In use, the discharge pipe 11 of the material tank 1 is connected to the feed end of the injection molding machine. Then, the material granules are poured into the material tank 1 from the feed port 501 of the sealing cover 5. When discharging, the servo motor 35 is started to drive the transmission shaft 34 to rotate. The transmission shaft 34 drives the transmission rod 3 to rotate through the pulley. When the transmission rod 3 rotates, it drives the scraper 33 and the spiral blade 31 to rotate synchronously, thereby discharging the material in the material tank 1 from the discharge pipe 11. The discharging is very smooth.

[0039] Meanwhile, when the transmission rod 3 rotates, the second bevel gear 47 rotates synchronously with the transmission rod 3 under the drive of the connecting rod 46. When rotating, the second bevel gear 47 meshes with the first bevel gear 41, thereby driving the second bevel gear 47 to rotate synchronously. When rotating, the lifting rod 42 is driven to slide up and down along the upper chuck 32 through the transmission column 471 and the connecting rod 46. When sliding, the tamping rod 44 is driven to move up and down in the material tank 1 synchronously through the connecting plate 43, tamping the material in the material tank 1, so that the material in the material tank 1 can be discharged smoothly.

[0040] The circuits and controls involved in this utility model are all existing technologies, and will not be described in detail here.

[0041] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A feeding device for injection molding machine, comprising: a material tank (1), which is wide at the top and narrow at the bottom, and the bottom of which is provided with a discharge pipe (11); characterized in that it further comprises: a support frame (2) fixedly installed on the outside of the material tank (1), and the top end of which is provided with a support plate (21); a transmission rod (3) rotatably installed on the support plate (21), and the end of which extending into the discharge pipe (11) is fixedly provided with a spiral blade (31), and the top end of which is fixedly provided with an upper chuck (32), and the upper chuck (32) is provided with a plurality of scraping rods (33), and the support frame (2) is rotatably provided with a transmission shaft (34), and the top end of the transmission shaft (34) is connected with the transmission rod (3) through a belt transmission, and the bottom end of the support frame (2) is provided with a servo motor (35) for driving the transmission shaft (34) to rotate, and the upper chuck (32) is provided with a vibrating element (4).

2. The apparatus according to claim 1, wherein The outer wall of each scraping rod (33) is in sliding fit with the inner wall of the material tank (1).

3. The apparatus according to claim 1, wherein The vibrating element (4) comprises a bevel gear (41), a lifting rod (42) and a connecting rod (46), the bevel gear (41) is fixedly installed on the support plate (21), the lifting rod (42) is slidingly installed on the upper chuck (32), the bottom end of the lifting rod (42) is fixedly provided with a connecting plate (43), the bottom end of the connecting plate (43) is fixedly provided with a tamping rod (44), the top end of the lifting rod (42) is hingedly provided with a transmission plate (45), the connecting rod (46) is fixedly installed on the transmission rod (3), and the connecting rod (46) is rotatably provided with a bevel gear (47), and the bevel gear (47) is fixedly provided with a transmission column (471), and the transmission column (471) is hingedly connected with the transmission plate (45).

4. The apparatus according to claim 3, wherein The connecting plate (43) is provided with a through hole in sliding fit with the transmission rod (3).

5. The apparatus of claim 1 wherein, The top end of the material tank (1) is provided with a sealing cover (5), and one side of the sealing cover (5) is provided with an inlet (501).

6. The apparatus of claim 1 wherein, The transmission rod (3) is provided with a lower chuck (6), and the lower chuck (6) is provided with a plurality of reinforcing rods (7), and each reinforcing rod (7) is fixedly connected with the bottom end of each scraping rod (33).

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