Feeding and conveying system of internal mixer

Abstract

The utility model relates to the technical field of rubber processing equipment, and discloses an internal mixer feeding conveying system which comprises a belt conveying mechanism and a rack, a linear sliding rail is arranged on the rack in the conveying direction of the belt conveying mechanism, the belt conveying mechanism is arranged on the linear sliding rail of the rack in a sliding mode, and the belt conveying mechanism is connected with a driving mechanism. And the driving mechanism drives the belt conveying mechanism to move along the linear sliding rail, so that the belt conveying mechanism extends out of the rack or retracts into the rack. According to the utility model, the belt conveying mechanism can be driven by the driving mechanism to move along the linear sliding rail on the rack, so that the belt conveying mechanism extends out of the rack or retracts into the rack; the raw rubber can be directly conveyed to the internal mixing bin through the belt conveying mechanism when being added, and the space in front of a feeding box door of the internal mixer can be reserved after the raw rubber is added, so that other manual operations of operators are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber processing equipment, in particular to a feeding and conveying system for an internal mixer. Background Art

[0002] The internal mixing process is an important technological process in rubber production. By uniformly mixing rubber and various additives, the rubber can have good physical and chemical properties. The internal mixing process is usually completed in an internal mixer. The internal mixing process mainly includes four steps: raw material preparation, mixing, pressing, and finished product discharging. Raw material preparation is the first step of the internal mixing process: raw materials such as rubber, fillers, rubber compounds, and additives need to be weighed and prepared according to the formula ratio. In this step, the accuracy of the raw materials needs to be ensured to guarantee the smooth progress of subsequent processes. Mixing is the core step of the internal mixing process. During the mixing process, various raw materials are put into the internal mixer for mixing. Under certain temperature and time conditions, mechanical shearing, friction, and extrusion are carried out to cause chemical reactions between the raw materials, thereby achieving uniform mixing of rubber and additives.

[0003] During one internal mixing process, usually, the amount of raw rubber used is large. After being weighed according to the ratio, it is transported to the internal mixing bin by a belt conveyor. While fillers, rubber compounds, or other additives are usually in powder form and the usage amount is relatively small. After being weighed according to the ratio by the operator, they are manually poured into the internal mixing bin. The internal mixer is usually provided with a feeding box door. When feeding is required, the feeding box door is opened. The belt conveyor transports the raw rubber placed on it to the end and slides into the internal mixing bin, and the powdered additives are manually added by the operator. Since feeding is carried out from the same feeding box door, if the distance between the belt conveyor and the feeding box door of the internal mixer is too large, resulting in the raw rubber not being directly transported to the internal mixing bin and requiring manual handling, which is time-consuming and laborious; if the belt conveyor abuts against the outside of the feeding box door to directly drop the raw rubber into the internal mixing bin, it will cause insufficient space outside the feeding box door, affecting the operator's manual addition of additives. Summary of the Utility Model

[0004] To solve the above deficiencies in the prior art, the utility model provides a feeding and conveying system for an internal mixer, which can conveniently transport raw materials directly into the internal mixing bin of the internal mixer and at the same time vacate the space in front of the internal mixer for the operator to complete other processes.

[0005] To achieve the above technical purpose, the technical solution adopted by the utility model is:

[0006] A feeding and conveying system for an internal mixer includes a belt conveying mechanism and a frame. A linear slide rail is arranged on the frame along the conveying direction of the belt conveying mechanism. The belt conveying mechanism is slidably arranged on the linear slide rail of the frame. The belt conveying mechanism is connected with a driving mechanism, and the driving mechanism drives the belt conveying mechanism to move along the linear slide rail, so that the belt conveying mechanism extends out of the frame or retracts into the frame.

[0007] As a preferred technical solution, the driving mechanism includes a first motor and a screw mechanism. The screw mechanism is arranged at the bottom of the belt conveyor mechanism. The ball screw of the screw mechanism is connected to the output shaft of the first motor through a coupling. The nut seat of the screw mechanism is fixedly connected to the belt conveyor mechanism. The first motor drives the ball screw to rotate, and the belt conveyor mechanism is driven to move as a whole through the linear movement of the nut seat along the ball screw.

[0008] As a preferred technical solution, the driving mechanism is a hydraulic cylinder or a pneumatic cylinder, which is installed on a frame. The end of the piston rod of the hydraulic cylinder or the pneumatic cylinder is fixedly connected to the bottom of the belt conveyor mechanism. The hydraulic cylinder or the cylinder drives the piston rod to drive the belt conveyor mechanism to perform linear motion.

[0009] As a preferred technical solution, two linear slide rails are provided, and the two linear slide rails are arranged in parallel on both sides of the driving mechanism.

[0010] As a preferred technical solution, a slider is provided at the bottom of the belt conveyor mechanism, and the slider is adapted to the linear slide rail.

[0011] As a preferred technical solution, a plurality of balls are arranged in the slider, and the slider contacts the linear guide rail through the balls.

[0012] As a preferred technical solution, the frame is further provided with a travel switch, which is electrically connected to the driving mechanism and is used to limit the moving distance of the belt conveyor mechanism.

[0013] As a preferred technical solution, the belt conveyor mechanism includes a mounting frame, a driving shaft wheel, a driven shaft wheel and a conveying belt. The driving shaft wheel and the driven shaft wheel are arranged at both ends of the mounting frame. The driving shaft wheel and the driven shaft wheel are connected by a conveying belt transmission. The driving shaft wheel is connected to the second motor transmission. The driving shaft wheel is located at the feed end of the conveying belt, and the driven shaft wheel is located at the discharge end of the conveying belt.

[0014] As a preferred technical solution, the belt conveyor mechanism also includes a material guide plate, which is located on the side of the mounting frame close to the driven shaft wheel. The material guide plate is tilted downward, and the top of the material guide plate is not higher than the upper top surface of the conveyor belt.

[0015] As a preferred technical solution, baffle plates are provided on both sides of the material guide plate, and the two baffle plates and the material guide plate are arranged in a U shape.

[0016] The beneficial effects of the utility model are:

[0017] The feeding and conveying system of the internal mixer of the present utility model can drive the belt conveying mechanism to move along the linear slide rail on the machine frame through the driving mechanism, so that it can extend out of the machine frame or retract into the machine frame; it can not only directly transport raw rubber to the internal mixing bin through the belt conveying mechanism when adding raw rubber, but also make room in front of the feeding box of the internal mixer after raw rubber feeding, facilitating other manual operations for operators.

[0018] For the feeding and conveying system of the internal mixer of the present utility model, the driving mechanism provides the power for the movement of the belt conveying mechanism, and the linear slide rail conducts guiding to ensure the stability of the movement of the belt conveying mechanism. More preferably, the linear slide rail and the slider are in contact through balls, which can reduce the dynamic friction between the two and extend the service life of the equipment.

[0019] For the feeding and conveying system of the internal mixer of the present utility model, the guiding plate arranged at the discharging end of the belt conveying mechanism helps to guide the transported raw materials into the internal mixing bin, avoiding the problem that the raw materials slide straight at the discharging end of the belt conveying mechanism and cannot fall into the internal mixing bin. Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other relevant drawings can also be obtained based on these drawings.

[0021] Figure 1 is a cross-sectional schematic diagram of an embodiment of the present utility model;

[0022] Figure 2 is a structural schematic diagram of the driving mechanism.

[0023] Reference numerals: 1 - machine frame, 2 - linear slide rail, 3 - first motor, 4 - ball screw, 5 - nut seat, 6 - slider, 7 - travel switch, 8 - mounting bracket, 9 - driving shaft pulley, 10 - driven shaft pulley, 11 - conveyor belt, 12 - guiding plate, 13 - baffle plate. Detailed Embodiments

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are some, but not all, of the embodiments of this application. Components of the embodiments of this application described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this application provided in the drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of this application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of this application without creative efforts fall within the scope of protection of this application.

[0025] The utility model provides a feeding and conveying system for a mixer, which includes a belt conveying mechanism and a frame 1. A linear slide rail 2 is arranged on the frame 1 along the conveying direction of the belt conveying mechanism. The belt conveying mechanism is slidably arranged on the linear slide rail 2 of the frame 1. The belt conveying mechanism is connected with a driving mechanism, and the driving mechanism drives the belt conveying mechanism to move along the linear slide rail 2, so that the belt conveying mechanism extends out of the frame 1 or retracts into the frame 1.

[0026] In a specific embodiment, the driving mechanism includes a first motor 3 and a lead screw mechanism. The lead screw mechanism is arranged at the bottom of the belt conveying mechanism. The ball screw 4 of the lead screw mechanism is connected to the output shaft of the first motor 3 through a coupling. The nut seat 5 of the lead screw mechanism is fixedly connected with the belt conveying mechanism. The first motor 3 drives the ball screw 4 to rotate, and the whole belt conveying mechanism moves by the nut seat 5 moving linearly along the ball screw 4.

[0027] In another specific embodiment, the driving mechanism is a hydraulic cylinder or a pneumatic cylinder. The driving mechanism is installed on the frame 1. The end of the piston rod of the hydraulic cylinder or pneumatic cylinder is fixedly connected to the bottom of the belt conveying mechanism. The hydraulic cylinder or pneumatic cylinder drives the piston rod to drive the belt conveying mechanism to perform linear motion.

[0028] Preferably, there are two linear slide rails 2, and the two linear slide rails 2 are arranged in parallel on both sides of the driving mechanism. A slider 6 is arranged at the bottom of the belt conveying mechanism, and the slider 6 is adapted to the linear slide rail 2. Preferably, several balls are arranged in the slider 6, and the slider 6 contacts the linear slide rail 2 through the balls, reducing the dynamic friction between the two and extending the service life of the equipment.

[0029] Furthermore, a travel switch 7 is also arranged on the frame 1. The travel switch 7 is electrically connected to the driving mechanism, and the travel switch 7 is used to limit the moving distance of the belt conveying mechanism.

[0030] The belt conveying mechanism includes a mounting frame 8, a driving shaft wheel 9, a driven shaft wheel 10 and a conveying belt 11. The driving shaft wheel 9 and the driven shaft wheel 10 are arranged at both ends of the mounting frame 8. The driving shaft wheel 9 and the driven shaft wheel 10 are connected by the conveying belt 11. The driving shaft wheel 9 is connected by the second motor (not shown in the figure). The driving shaft wheel 9 is located at the feeding end of the conveying belt 11, and the driven shaft wheel 10 is located at the discharging end of the conveying belt 11. Further, the belt conveying mechanism also includes a guide plate 12. The guide plate 12 is located on the side of the mounting frame 8 close to the driven shaft wheel 10. The guide plate 12 is tilted downward, and the top of the guide plate 12 is not higher than the upper top surface of the conveying belt 11. Preferably, the guide plate 12 is provided with a baffle plate 13 on both sides, and the two baffle plates 13 are arranged in a U shape with the guide plate 12.

[0031] The use process of the internal mixer feeding and conveying system of the utility model is as follows:

[0032] Place the raw rubber material to be transported on the conveyor belt 11, turn on the drive mechanism, and the drive mechanism drives the belt conveyor mechanism to move along the linear slide rail 2, so that the belt conveyor mechanism gradually approaches the charging box door of the internal mixer, and stops moving when the travel switch 7 on the frame is triggered; then turn on the second motor, and transport the raw rubber material to the internal mixer bin through the conveyor belt 11. The guide plate 12 at the discharge end of the belt conveyor mechanism can more conveniently guide the raw collagen into the internal mixer bin. After the raw rubber is loaded, turn on the drive mechanism to move the belt conveyor mechanism back to its position, freeing up space at the charging box door of the internal mixer, so that the operator can add other fillers manually.

[0033] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field may make various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A feeding and conveying system for an internal mixer, characterized in that: It includes a belt conveyor mechanism and a frame. A linear slide rail is provided on the frame along the conveying direction of the belt conveyor mechanism. The belt conveyor mechanism is slidably arranged on the linear slide rail of the frame. The belt conveyor mechanism is connected with a driving mechanism, and the driving mechanism drives the belt conveyor mechanism to move along the linear slide rail, so that the belt conveyor mechanism extends out of the frame or retracts into the frame.

2. The internal mixer feeding and conveying system according to claim 1, characterized in that: The driving mechanism includes a first motor and a lead screw mechanism. The lead screw mechanism is arranged at the bottom of the belt conveyor mechanism. The ball screw of the lead screw mechanism is connected with the output shaft of the first motor through a coupling. The nut seat of the lead screw mechanism is fixedly connected with the belt conveyor mechanism. The first motor drives the ball screw to rotate, and drives the whole belt conveyor mechanism to move linearly along the ball screw through the nut seat.

3. The internal mixer feeding and conveying system according to claim 1, characterized in that: The driving mechanism is a hydraulic cylinder or a pneumatic cylinder. The driving mechanism is installed on the frame. The end of the piston rod of the hydraulic cylinder or the pneumatic cylinder is fixedly connected to the bottom of the belt conveyor mechanism. The hydraulic cylinder or the pneumatic cylinder drives the piston rod to drive the belt conveyor mechanism to perform linear motion.

4. The internal mixer feeding and conveying system according to claim 2 or 3, characterized in that: There are two linear slide rails, and the two linear slide rails are arranged in parallel on both sides of the driving mechanism.

5. The internal mixer feeding and conveying system according to claim 4, characterized in that: Sliders are provided at the bottom of the belt conveyor mechanism, and the sliders are adapted to the linear slide rails.

6. The internal mixer feeding and conveying system according to claim 5, wherein: A number of balls are provided inside the sliders, and the sliders are in contact with the linear slide rails through the balls.

7. The internal mixer feeding and conveying system according to claim 1, characterized in that: A travel switch is also provided on the frame. The travel switch is electrically connected with the driving mechanism, and the travel switch is used to limit the moving distance of the belt conveyor mechanism.

8. The internal mixer feeding and conveying system according to claim 1, wherein: The belt conveyor mechanism includes a mounting frame, a driving shaft pulley, a driven shaft pulley and a conveyor belt. The driving shaft pulley and the driven shaft pulley are arranged at both ends of the mounting frame. The driving shaft pulley and the driven shaft pulley are connected by the conveyor belt for transmission. The driving shaft pulley is in transmission connection with a second motor. The driving shaft pulley is located at the feeding end of the conveyor belt, and the driven shaft pulley is located at the discharging end of the conveyor belt.

9. The internal mixer feeding and conveying system according to claim 8, characterized in that: The belt conveyor mechanism further includes a guiding plate. The guiding plate is located on one side of the mounting frame close to the driven shaft pulley. The guiding plate is arranged to incline downward, and the top of the guiding plate is not higher than the upper surface of the conveyor belt.

10. The internal mixer feeding and conveying system according to claim 9, characterized in that: Baffle plates are provided on both sides of the guiding plate, and the two baffle plates and the guiding plate are arranged in a U shape.

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