Discharging device for injection molding machine
By introducing a crushing mechanism, a slowing cone, and an elastic component into the feeding device of the injection molding machine, the problems of unadjustable feeding speed and clogging are solved, thereby improving production efficiency and product quality.
Patent Information
- Application Number
- CN202420827505.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-20
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-04-20
AI Technical Summary
Existing injection molding machine feeding devices cannot flexibly adjust the feeding speed, leading to blockage of the feeding port and damage to the plastic, which affects production efficiency and product quality.
A feeding device including a crushing mechanism, a slowing cone, and an elastic component was designed. The crushing motor crushes the plastic raw material, and the slowing cone and elastic component are used to adjust the feeding rate. Combined with the drive cylinder, the feeding quantity is controlled to avoid blockage.
It enables flexible control of feeding speed and quantity, avoids clogging of the feeding port, and improves production efficiency and product quality.
Smart Images

Figure CN222328884U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection molding machines, in particular to a material unloading device for injection molding machines. Background Art
[0002] Injection molding machine is a kind of machine equipment used to process plastic products, usually composed of injection part, melting part and cooling part. In the process of injection molding production, facing a huge amount of plastic raw materials need to be put in, and unloading as one of the important links is an indispensable step to ensure production efficiency and product quality, so a unloading device for injection molding machine is needed.
[0003] In the existing technology, a material discharge device for an injection molding machine with a publication number of CN214395144U is proposed, which relates to the field of injection molding machine material discharge technology. The material discharge device for an injection molding machine comprises a feeding barrel, the upper surface of the feeding barrel is fixedly connected with a top cover, the upper surface of the top cover is rotatably penetrated with an outer shaft, the upper surface of the outer shaft is slidably penetrated with an inner shaft, a gear A is arranged above the top cover, the gear A is fixedly sleeved on the upper end of the outer shaft, the left side of the gear A is meshed with a gear B, a motor is arranged above the gear B, the output end of the motor is fixedly connected with the upper surface of the gear B, and the upper surface of the motor is fixedly connected with the upper surface of the top cover through a connecting plate. The material discharge device for an injection molding machine achieves the effect of changing the speed of material discharge from the material discharge barrel by setting an adjusting bolt, an adjusting plate, an inner shaft and an adjusting block, and solves the problem that the current material discharge device is not convenient to change the material discharge speed according to actual needs, which causes great inconvenience to the injection molding of the injection molding machine.
[0004] In order to solve the problem that the unloading device is inconvenient to change the unloading speed according to actual needs, which causes great inconvenience to the injection molding of the injection molding machine, the prior art adopts a method of changing the gap formed between the adjustment block and the unloading barrel. However, due to the small diameter of the unloading port, the plastic may block the unloading port, so that the plastic cannot be unloaded normally. In addition, due to gravity, the plastic is easily damaged during unloading, thereby reducing the product quality, which in turn leads to the problem of reduced utilization efficiency of the unloading device. Utility Model Content
[0005] The purpose of the utility model is to provide a material unloading device for an injection molding machine to solve the problems raised in the above background technology.
[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0007] A material unloading device for an injection molding machine comprises a fixing bracket.
[0008] The fixing rings are fixedly mounted on the surfaces of both ends of the fixing bracket.
[0009] And a feeding barrel fixedly mounted on the inner surface of a fixing ring, a crushing mechanism is arranged inside the feeding barrel, and the bottom of the feeding barrel is fixedly connected with the feeding mechanism, a discharging hopper is fixedly mounted on the bottom of the feeding mechanism, the crushing mechanism comprises a driving unit fixedly mounted on the top surface of the feeding barrel, a crushing unit is fixedly mounted on one end of the driving mechanism, and the feeding mechanism comprises an adjusting unit fixedly mounted on the inner surface of a fixing bracket, a feeding unit is fixedly mounted on one end of the adjusting unit.
[0010] A further improvement of the technical solution of the utility model is that the driving unit includes a crushing motor fixedly mounted on the top surface of the lower barrel, and the outer surface of the lower barrel is fixedly connected to a feed hopper, and one end of the feed hopper extends into the interior of the lower barrel.
[0011] A further improvement of the technical solution of the utility model is that the crushing unit includes a crushing shaft fixedly installed on the output end of the crushing motor, a crushing blade plate is fixedly installed on the outer surface of the crushing shaft, a lower hopper is fixedly installed on the bottom of the crushing blade plate, and a lower feed pipe is fixedly connected to the bottom of the lower hopper.
[0012] A further improvement of the technical solution of the utility model is that a fixing ring is fixedly installed on the inner wall surface of the discharge pipe, a material buffer cone is fixedly installed inside the fixing ring, and a discharge hole is opened on the outer surface of the material buffer cone.
[0013] A further improvement of the technical solution of the utility model is that an elastic component is provided on the inner surface of the feed tube, the elastic component is movably mounted on the inner wall surface of the feed tube, and a rebound plate is movably mounted on the surface of the elastic component.
[0014] A further improvement of the technical solution of the utility model is that the adjustment unit includes a collection box fixedly installed at the bottom end of the feeding pipe, a driving cylinder is fixedly installed on the inner surface of the fixed bracket, and slide rails are fixedly installed on both sides of the inner cavity of the collection box.
[0015] A further improvement of the technical solution of the utility model is that the unloading unit includes a push plate fixedly mounted on the output end of the driving cylinder, both ends of the push plate are slidably connected to the surface of the slide rail, a spring is fixedly connected to the surface of one side of the push plate, and a semicircular unloading plate is fixedly mounted on one end of the spring.
[0016] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:
[0017] 1. The utility model provides a feeding device for an injection molding machine. Plastic raw materials enter the interior of a feeding barrel through a hopper, and the pulverizing shaft is driven to rotate by starting a pulverizing motor installed on the top surface thereof, thereby driving a pulverizing blade to pulverize the raw materials. The pulverized raw materials are facilitated to fall into the interior of a feeding tube by means of a feeding hopper. At the same time, the design of a fixing ring and a material-slowing cone is used to ease the rate of feeding. The cooperation of an elastic component and a rebound plate, when the plastic contacts its surface, the rate of feeding is further eased by rebounding, thereby improving the working efficiency of the feeding device.
[0018] 2. The utility model provides a feeding device for an injection molding machine. The crushed raw materials fall onto the surface of a semicircular feeding plate arranged inside a collecting box through the cooperation of a feeding hopper and a feeding pipe. A driving cylinder is arranged to drive a push plate to slide on the surface of a slide rail, thereby driving the semicircular feeding plate. By changing the gap between the semicircular feeding plates, it is helpful to control the amount of feeding and avoid blockage, thereby improving the utilization efficiency of the feeding device. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the structure of the utility model;
[0020] Figure 2 It is a three-dimensional schematic diagram of the structural crushing mechanism of the utility model;
[0021] Figure 3 It is a three-dimensional cross-sectional schematic diagram of the structural feed pipe of the utility model;
[0022] Figure 4 It is a three-dimensional cross-sectional schematic diagram of the structural blanking mechanism of the utility model.
[0023] In the figure: 1. fixed bracket; 2. fixed ring; 3. discharge barrel; 4. crushing mechanism; 401. crushing motor; 402. feed hopper; 403. crushing shaft; 404. crushing blade; 405. discharge hopper; 406. discharge pipe; 4061. fixed ring; 4062. buffer cone; 4063. elastic component; 4064. rebound plate; 5. discharge mechanism; 501. collection box; 502. driving cylinder; 503. slide rail; 504. push plate; 505. spring; 506. semicircular discharge plate; 6. discharge hopper. DETAILED DESCRIPTION
[0024] The present invention is further described in detail below in conjunction with the embodiments:
[0025] Example 1
[0026] like Figure 1-4As shown, the utility model provides a feeding device for an injection molding machine, comprising a fixed bracket 1, a fixed ring 2 fixedly mounted on the two end surfaces of the fixed bracket 1, and a feeding barrel 3 fixedly mounted on the inner surface of the fixed ring 2, a crushing mechanism 4 is arranged inside the feeding barrel 3, and a feeding mechanism 5 is fixedly connected to the bottom of the feeding barrel 3, a discharge hopper 6 is fixedly mounted on the bottom of the feeding mechanism 5, the crushing mechanism 4 comprises a driving unit fixedly mounted on the top surface of the feeding barrel 3, one end of the driving mechanism is fixedly mounted with the crushing unit, the feeding mechanism 5 comprises an adjusting unit fixedly mounted on the inner side surface of the fixed bracket 1, one end of the adjusting unit is fixedly mounted with the feeding unit, the driving unit comprises a crushing motor 401 fixedly mounted on the top surface of the feeding barrel 3, The outer surface of the lower material barrel 3 is fixedly connected with a feed hopper 402, one end of the feed hopper 402 extends to the interior of the lower material barrel 3, the crushing unit includes a crushing shaft 403 fixedly installed at the output end of the crushing motor 401, the outer surface of the crushing shaft 403 is fixedly installed with a crushing blade plate 404, the bottom of the crushing blade plate 404 is fixedly installed with a lower material barrel 405, the bottom of the lower material barrel 405 is fixedly connected with a lower material pipe 406, the plastic raw material enters the interior of the lower material barrel 3 through the feed hopper 402, and the crushing shaft 403 is driven to rotate by starting the crushing motor 401 installed on its top surface, thereby driving the crushing blade plate 404 to crush the raw material, and the crushed raw material is facilitated to fall into the interior of the lower material pipe 406 by the lower hopper 405.
[0027] Example 2
[0028] like Figure 1-4 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a fixing ring 4061 is fixedly installed on the inner wall surface of the discharge tube 406, a buffer cone 4062 is fixedly installed inside the fixing ring 4061, a discharge hole is opened on the outer surface of the buffer cone 4062, and an elastic component 4063 is provided on the inner surface of the discharge tube 406. The elastic component 4063 is movably installed on the inner wall surface of the discharge tube 406, and a rebound plate 4064 is movably installed on the surface of the elastic component 4063. The design of the fixing ring 4061 and the buffer cone 4062 can ease the rate of discharge, and the cooperation of the elastic component 4063 and the rebound plate 4064, when the plastic contacts its surface, the rate of discharge is further eased by rebound.
[0029] Example 3
[0030] like Figure 1-4As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the adjustment unit includes a collection box 501 fixedly installed at the bottom end of the discharge pipe 406, a driving cylinder 502 is fixedly installed on the inner surface of the fixed bracket 1, and slide rails 503 are fixedly installed on both sides of the inner cavity of the collection box 501. The discharge unit includes a push plate 504 fixedly installed at the output end of the driving cylinder 502, and both ends of the push plate 504 are slidably connected to the surface of the slide rail 503, and one side of the push plate 504 is The surface is fixedly connected with a spring 505, and a semicircular discharge plate 506 is fixedly installed at one end of the spring 505. The crushed raw materials fall onto the surface of the semicircular discharge plate 506 arranged inside the collecting box 501 through the cooperation of the discharge hopper 405 and the discharge pipe 406. The driving cylinder 502 is arranged to drive the push plate 504 to slide on the surface of the slide rail 503, thereby driving the semicircular discharge plate 506. By changing the gap between the semicircular discharge plates 506, the discharge quantity is controlled.
[0031] The working principle of the unloading device for the injection molding machine is described in detail below.
[0032] like Figure 1-4 As shown, first, the plastic raw material enters the interior of the discharge barrel 3 through the feed hopper 402, and the crushing shaft 403 is driven to rotate by starting the crushing motor 401 installed on the top surface thereof, thereby driving the crushing blade 404 to crush the raw material. The crushed raw material is facilitated to fall into the interior of the discharge pipe 406 by the discharge hopper 405. At the same time, the design of the fixing ring 4061 and the slowing cone 4062 is used to ease the speed of the discharge, and the elastic component 4063 and the rebound plate 4064 cooperate to When the plastic contacts its surface, it rebounds to further ease the rate of material discharge. Secondly, the crushed raw materials fall onto the surface of the semicircular material discharge plate 506 arranged inside the collection box 501 through the cooperation of the material discharge hopper 405 and the material discharge pipe 406. The driving cylinder 502 is arranged to drive the push plate 504 to slide on the surface of the slide rail 503, thereby driving the semicircular material discharge plate 506. By changing the gap between the semicircular material discharge plates 506, it is helpful to control the amount of material discharge and avoid blockage.
[0033] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.
Claims
1. A material unloading device for an injection molding machine, comprising a fixed bracket (1); A fixing ring (2) fixedly mounted on the surfaces of both ends of the fixing bracket (1); and a material discharge barrel (3) fixedly mounted on the inner surface of the fixing ring (2), characterized in that: A crushing mechanism (4) is arranged inside the discharge barrel (3), and a discharge mechanism (5) is fixedly connected to the bottom of the discharge barrel (3), and a discharge hopper (6) is fixedly installed at the bottom of the discharge mechanism (5). The crushing mechanism (4) includes a driving unit fixedly installed on the top surface of the discharge barrel (3), and a crushing unit is fixedly installed on one end of the driving unit. The discharge mechanism (5) includes an adjusting unit fixedly installed on the inner surface of the fixed bracket (1), and the discharge unit is fixedly installed on one end of the adjusting unit.
2. A material discharge device for an injection molding machine according to claim 1, characterized in that: The driving unit comprises a crushing motor (401) fixedly mounted on the top surface of the lower material barrel (3), and an input hopper (402) is fixedly connected to the outer surface of the lower material barrel (3), and one end of the input hopper (402) extends into the interior of the lower material barrel (3).
3. A material discharge device for an injection molding machine according to claim 2, characterized in that: The pulverizing unit comprises a pulverizing shaft (403) fixedly mounted on the output end of a pulverizing motor (401); a pulverizing blade plate (404) is fixedly mounted on the outer surface of the pulverizing shaft (403); a lower hopper (405) is fixedly mounted on the bottom of the pulverizing blade plate (404); and a lower hopper (406) is fixedly connected to the bottom of the lower hopper (405).
4. A material discharge device for an injection molding machine according to claim 3, characterized in that: A fixing ring (4061) is fixedly installed on the inner wall surface of the discharge pipe (406), a material-slowing cone (4062) is fixedly installed inside the fixing ring (4061), and a discharge hole is opened on the outer surface of the material-slowing cone (4062).
5. The unloading device for an injection molding machine according to claim 3, characterized in that: The inner surface of the feed tube (406) is provided with an elastic component (4063), and the elastic component (4063) is movably mounted on the inner wall surface of the feed tube (406), and a rebound plate (4064) is movably mounted on the surface of the elastic component (4063).
6. A material discharge device for an injection molding machine according to claim 3, characterized in that: The regulating unit comprises a collecting box (501) fixedly mounted at the bottom end of the feeding tube (406), a driving cylinder (502) fixedly mounted on the inner surface of the fixing bracket (1), and slide rails (503) fixedly mounted on both sides of the inner cavity of the collecting box (501).
7. A material discharge device for an injection molding machine according to claim 6, characterized in that: The material removal unit comprises a push plate (504) fixedly mounted on the output end of the driving cylinder (502), the two ends of the push plate (504) being slidably connected to the surface of the slide rail (503), a spring (505) being fixedly connected to the surface of one side of the push plate (504), and a semicircular material removal plate (506) being fixedly mounted on one end of the spring (505).
Citation Information
Patent Citations
Blanking device of injection molding machine
CN214395144U