Adjustable feeding device for rubber open mill
By introducing an adjustable feeding device into the rubber open mill, and using a servo motor to drive the width plate and tilting hopper, the problem of difficulty in controlling manual addition of raw materials is solved, the feeding range is precisely adjusted and the operation is simplified, thus improving the efficiency of rubber compounding.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-03-27
AI Technical Summary
The existing rubber mixing mill requires manual operation when adding raw materials, which is labor-intensive and the addition range is difficult to control, thus affecting the plasticizing efficiency of rubber compounds.
An adjustable feeding device is adopted, including a servo motor-driven width plate and an inclined hopper. The feeding range can be precisely controlled through the position adjustment structure. Combined with the guide plate and guide rod, the operation process is simplified.
It enables convenient adjustment and precise control of the feeding range, reduces manual operation, and improves the efficiency of rubber compounding.
Smart Images

Figure CN224044251U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rubber open mill technical field especially relates to a adjustable feeding device for rubber open mill. BACKGROUND
[0002] The open mill is the abbreviation of open type rubber mixing mill. It is a kind of rubber mixing machine with roller exposed, which is used in rubber factory to prepare plasticated rubber, mixed rubber or to carry out heat treatment and molding. The open mill includes a frame and two rollers rotatably connected with the frame in horizontal direction. The two rollers rotate towards each other, thereby extruding the rubber between the two rollers to achieve the purpose of plasticating the rubber. The rubber enters the gap between the two rollers and is rolled by the two rollers to form a rubber belt. The operator needs to wind the rubber belt extruded from the two rollers on the driving roller and cut the rubber belt to further extrude and mix the rubber belt, thereby achieving the purpose of plasticating the rubber.
[0003] Currently, when the open mill needs to add raw materials during operation, the operator usually pours raw materials such as colorant and vulcanizing agent into the gap between the two rollers of the open mill manually, and the raw materials are fused by the rotation of the rollers. However, continuous addition of raw materials is labor-intensive, and the addition range is not easy to control, which affects the plasticating efficiency of the rubber. SUMMARY
[0004] In view of the above problems of the prior art, the technical problem to be solved by the present application is to provide an adjustable feeding device for rubber open mill, which can adjust the feeding range, is easy to install and use, and has simple operation.
[0005] To solve the above technical problems, the utility model adopts the following technical scheme:
[0006] An adjustable feeding device for rubber open mill, comprising an open mill body, two rollers and two width plates. The two ends of the roller are fixed with roller shafts, the roller shafts are connected with the open mill body through bearings, one end of the roller shaft passes through the open mill body and is fixedly connected with the output shaft of a servo motor, the servo motor is fixedly installed on the open mill body, the lower end of the width plate is in contact with the roller, and a position adjusting structure for driving the two width plates to move closer to or away from each other is installed on the open mill body.
[0007] A hopper is fixedly installed on the open mill body, a material inlet is formed in the lower end of the hopper, the lower part of the hopper is inclined inward along the direction close to the material inlet, the upper end of the width plate is shaped with the hopper, and the width plate and the hopper are in sliding fit.
[0008] Thus, the roll body is the existing structure, which has a roller and a servo motor for driving the roller to rotate, the relative position of the two width plates is adjusted through the position adjusting structure, and the feeding area of the hopper is adjusted synchronously when the positions of the two width plates are adjusted, so that the feeding is better realized. The raw material is added into the hopper and located between the two width plates, and the raw material falls between the two rollers through the feeding port. The feeding port is arranged opposite to the two rollers. The lower part of the hopper is inclined to the direction of the feeding port, so that the raw material moves to the direction of the feeding port. The upper end of the width plate is shaped with the hopper, so that the hopper can be partitioned, and the feeding is better realized.
[0009] The position adjusting structure comprises a bidirectional screw rod rotatably installed on the roll body, the thread directions of the bidirectional screw rod are opposite from the middle to the two ends, one end of the bidirectional screw rod penetrates through the roll body and is fixedly connected with an output shaft of a speed reducer, the speed reducer is fixedly installed on the roll body, nut blocks are fixedly installed on the width plates, and the two nut blocks are threadedly connected with the two ends of the bidirectional screw rod respectively.
[0010] The two ends of the hopper are fixedly installed with supports, and the supports are fixedly connected with the roll body through bolts.
[0011] One end of the hopper is provided with an outwardly inclined guide plate.
[0012] One end of the width plate opposite to the guide plate is slidably attached to the guide plate.
[0013] The roll body is fixedly installed with a guide rod, the width plate is provided with a guide hole slidably matched with the guide rod, and the axis of the guide rod is parallel to the axis of the bidirectional screw rod.
[0014] In summary, the adjustable feeding device for the rubber roll mill has the advantages of adjustable feeding range, convenient installation and simple operation. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 FIG. 1 is a structural schematic view of the adjustable feeding device for the rubber roll mill.
[0016] Figure 2 FIG. 2 is a structural schematic view of the adjustable feeding device for the rubber roll mill without the roll body.
[0017] Figure 3 FIG. 3 is a schematic view of the width plate. Figure 2 FIG. 4 is another schematic view.
[0018] Figure 4 FIG. 5 is a schematic view of the width plate. DETAILED DESCRIPTION
[0019] The utility model makes further detailed description in connection with the drawings. In the description of the utility model, it is understood that the orientation words such as "up, down" and "top, bottom" and the like indicated orientation or position relation is usually based on the orientation or position relation shown in the drawing, just for the convenience of describing the utility model and simplifying the description, under the condition without making opposite statement, these orientation words do not indicate and imply the device or element must have specific orientation or with specific orientation structure and operation, therefore can not be understood as the restriction of the protection scope of the utility model, the orientation words "in, out" refer to the in and out relative to the contour of each component.
[0020] As Figures 1-4 The utility model discloses an adjustable feeding device for rubber mill, including mill body 1, two roller 2 and two width board 3, both ends of the roller are fixed with roller axle, and the roller axle is connected with mill body through bearing, and one end of the roller axle passes through mill body and is fixedly connected with the output shaft of servo motor 4, and the servo motor is fixedly installed on the mill body, and the lower end of the width board is in contact with the roller, and the mill body is installed with position adjusting structure for driving two width boards to be close to or away from each other.
[0021] The mill body is fixedly installed with hopper 5, the lower end of the hopper is provided with material port, and the material port is arranged opposite between the two rollers, and the lower part of the hopper is inwardly inclinedly arranged along the direction close to the material port, and the upper end of the width board is profiled with the hopper, and the width board is slidably attached with the hopper.
[0022] In this way, the mill body is the existing structure, which has the roller and the servo motor for driving the roller to rotate, the relative position of the two width boards is adjusted through the position adjusting structure, and when the position of the two width boards is adjusted, the feeding area of the hopper is synchronously adjusted, so that the feeding is better realized. The raw material is added to the hopper and located between the two width boards, and the raw material falls between the two rollers through the material port, and the material port is arranged opposite between the two rollers. The lower part of the hopper is inclinedly arranged towards the material port, so as to facilitate the movement of the raw material towards the material port. The upper end of the width board is profiled with the hopper, so as to realize the partition of the hopper and better realize the feeding.
[0023] In implementation, the position adjusting structure comprises a bidirectional screw rod 6 rotatably mounted on the mill body, the threads on the bidirectional screw rod are opposite in rotation direction from the middle to the two ends, which is a commonly used screw rod, one end of the bidirectional screw rod penetrates through the mill body and is fixedly connected with the output shaft of a speed reducer motor 7, the speed reducer motor is fixedly mounted on the mill body, and a nut block 8 is fixedly mounted on each width plate, and the two nut blocks are respectively connected with the threads at the two ends of the bidirectional screw rod. The speed reducer motor drives the bidirectional screw rod to rotate, the width plates are driven to move by the nut blocks, and the two width plates are close to or away from each other, so that the position adjusting can be quickly realized.
[0024] In implementation, the two ends of the hopper are fixedly provided with supports, and the supports are fixedly connected with the mill body by bolts. The hopper can be conveniently installed on the mill body.
[0025] In implementation, one end of the hopper is provided with a guide plate 9 outwardly inclined. The guide plate can conveniently guide the raw materials.
[0026] In implementation, the end of the width plate opposite to the guide plate is slidably attached with the guide plate. The hopper can support the width plate, so that the installation of the width plate is more stable.
[0027] In implementation, a guide rod 10 is fixedly mounted on the mill body, the width plate is provided with a guide hole slidably matched with the guide rod, and the axis of the guide rod is parallel to the axis of the bidirectional screw rod. The movement of the width plate can be conveniently guided.
[0028] Finally, it should be noted that those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and the statistical number thereof, the present application also intends to include these modifications and variations.
Claims
1. An adjustable feeding device for a rubber mill, comprising a mill body (1), two rollers (2) and two width plates (3), both ends of the rollers are fixed with roller shafts, the roller shafts are connected with the mill body through bearings, one end of the roller shafts passes through the mill body and is fixedly connected with the output shaft of a servo motor (4), the servo motor is fixedly installed on the mill body, the lower end of the width plates is in contact with the rollers, characterized in that, The position adjusting structure is arranged on the two width plates to drive the two width plates to move close to or away from each other. The hopper is fixedly arranged on the mill body, and the lower end of the hopper is provided with a feeding port.
2. The adjustable feeding device for rubber mill according to claim 1, characterized in that, The position adjusting structure comprises a bidirectional screw rod which is rotatably arranged on the mill body.
3. The adjustable feeding device for rubber mill according to claim 2, characterized in that, The screw threads on the bidirectional screw rod are opposite in rotation direction from the middle to the two ends.
4. The adjustable feeding device for rubber mill according to claim 3, characterized in that, The two ends of the hopper are fixedly provided with supports which are fixedly connected with the mill body by bolts.
5. The adjustable feeding device for rubber mill according to claim 4, characterized in that, One end of the hopper is provided with a guide plate which is outwardly inclined.
6. The adjustable feeding device for rubber mill according to claim 5, characterized in that, The end of the width plate which is opposite to the guide plate is slidably combined with the guide plate. The mill body is fixedly provided with a guide rod. The width plate is provided with a guide hole which is slidably combined with the guide rod. The axis of the guide rod is parallel to the axis of the bidirectional screw rod.