CN218019522U - Roller distance adjusting device of open mill - Google Patents

Abstract

The utility model discloses a distance adjusting device for rollers of an open mill, which comprises a frame; a fixed roller and a moving roller are arranged on the frame; the two ends of the fixed roller are connected with a first bearing seat in rotation respectively. , the two ends of the moving roller are respectively rotatably connected with a second bearing seat; the first bearing seat is fixed on the frame, and the second bearing seat is slidingly connected with the frame; the second bearing seat is provided with an adjustment mechanism, It is used to adjust the distance between the moving roller and the fixed roller; the adjustment mechanism is connected to the output shaft of the motor through a transmission mechanism; the motor is electrically connected to the controller. The roller distance adjusting device of the mill of the utility model sets an adjustment mechanism at both ends of the moving roller respectively, and the two adjustment mechanisms are connected with the same motor through the transmission mechanism, so that the synchronous work of the two adjustment mechanisms is realized. Therefore, the distance between the moving roller and the fixed roller can be precisely controlled, and there will be no inconsistency between the roller distances at both ends, and the adjustment accuracy is high.

Description

Mill roller distance adjustment device

technical field

The utility model relates to the technical field of mills, in particular to a roller distance adjusting device for mills.

Background technique

The open mill is a rubber mixing machine that is used to prepare plasticized rubber, mixed rubber, or carry out heat refining and extrusion. The main working parts of the mill are two different directions and inwardly rotating hollow rollers or drilling rollers. The two rollers are generally the same in size and rotate relative to each other at different speeds. After above, the rollers will squeeze and shear the rubber material; the film discharged from the gap between the rollers will wrap on one roller due to the difference in surface speed and temperature between the two rollers, and then return to the gap between the two rollers. , so many times, and finally complete the purpose of rubber mixing.

At present, the open mills on the market are generally equipped with a distance adjustment device to adjust the distance between the two rollers, so that the open mill can perform rubber mixing work at different distances to produce films of different thicknesses. The distance adjustment device in the traditional open mill generally adopts the method of manual distance adjustment; when adjusting, the staff moves one of the rollers according to experience to adjust the distance between the two rollers, which needs to be repeated during the adjustment process The operation is very cumbersome, which increases the working intensity of the staff, and the adjustment accuracy of the manual distance adjustment is not high, not only the quality of the product cannot be guaranteed, but also the phenomenon that the adjustment of the roller distance at both ends is inconsistent, resulting in the roller unbalanced load, thereby damaging the equipment.

Utility model content

The purpose of this utility model is to provide a mill roller distance adjustment device to overcome the above-mentioned problems in the prior art. The roller distance adjusting device of the mill of the utility model is easy to operate and easy to use. It realizes the automatic adjustment of the distance between the two rollers by setting an adjusting mechanism driven by a motor at both ends of the moving roller. , which reduces the labor intensity of workers; and the two adjustment mechanisms are connected with the same motor through the transmission mechanism, realizing the synchronous work of the two adjustment mechanisms, so that the distance between the moving roller and the fixed roller can be precisely controlled, and there will be no In the case of inconsistent roller distances at both ends, the adjustment accuracy is high.

The technical scheme of the utility model: the distance adjusting device for the roller of the mill, including a frame; the frame is provided with a fixed roller and a moving roller; the two ends of the fixed roller are respectively provided with a first bearing seat, the first bearing seat is rotatably connected with the fixed roller; the two ends of the moving roller are respectively provided with a second bearing seat, and the second bearing seat is rotatably connected with the moving roller; the first bearing The seat is fixed on the frame, and the second bearing seat is slidingly connected with the frame; the second bearing seat is provided with an adjustment mechanism for adjusting the distance between the moving roller and the fixed roller; the adjustment mechanism The transmission mechanism is connected with the output shaft of the motor; the motor is electrically connected with the controller.

Compared with the prior art, the roller distance adjustment device of the utility model realizes the automatic adjustment of the distance between the two rollers by setting an adjusting mechanism driven by a motor at both ends of the moving roller. , which reduces the labor intensity of workers; moreover, the two adjustment mechanisms are connected to the same motor through the transmission mechanism. When adjusting the roller distance, the motor drives the two adjustment mechanisms to work at the same time under the control of the controller. Push and pull synchronously at both ends, so that the distance between the moving roller and the fixed roller can be precisely controlled, and there will be no inconsistency between the roller distances at both ends. The adjustment accuracy is high and the quality of the rubber sheet is guaranteed.

As an optimization, in the aforesaid mill roller pitch adjustment device, the adjustment mechanism includes an adjustment screw and a nut sheathed outside the adjustment screw; the nut is fixed on the second bearing seat. The adjustment mechanism adopts the above-mentioned structure, which has a simple structure and takes up little space, which is beneficial to control the manufacturing cost, and the adjustment process is simple and convenient; when the distance is adjusted, the motor drives the adjustment screw to rotate, and the nut drives the second bearing seat to move relative to the adjustment screw, thereby Driving the moving roller to move can realize the adjustment of the distance between the moving roller and the fixed roller. Further, the frame is provided with a fixed bracket, and the adjusting screw is connected to the fixed bracket through threads. The fixed bracket can support the adjusting screw rod to ensure the stability of the adjusting screw rod when rotating.

As an optimization, in the aforesaid mill roller distance adjustment device, the transmission mechanism includes a transmission shaft; the transmission shaft is fixed on the frame through two transmission shaft support frames; two A Bevel gear, the A bevel gear meshes with the B bevel gear arranged on the adjusting screw; the transmission shaft is connected with the output shaft of the motor. After the transmission mechanism adopts the above structure, the structure is simple, the assembly is relatively convenient, and the transmission stability is good. Further, the transmission shaft is connected and fixed to the output shaft of the motor through a coupling. At this time, the installation is relatively easy, and it can be ensured that when there is a small deviation in the centerline positions of the two shafts of the transmission shaft and the motor output shaft, they can each rotate smoothly, while the torque transmission is not affected, and the transmission performance is guaranteed. Further, a rolling bearing is embedded inside the transmission shaft support frame, and the transmission shaft is inserted into the rolling bearing. As a result, the friction coefficient during the rotation of the transmission shaft can be reduced, and its normal working position and rotation accuracy can be guaranteed. Moreover, the rolling bearing is easy to use and maintain, and is easy to replace. Further, the transmission shaft supporting frame and the fixing bracket are integrally formed. In this case, it is convenient to manufacture and easy to implement.

As an optimization, in the aforementioned mill roller distance adjustment device, the frame is provided with a scale. Thus, it is possible to determine the current distance between the moving roller and the fixed roller by looking at the scale, which facilitates subsequent distance adjustment.

Description of drawings

Fig. 1 is the structural representation of the mill roller spacing device of the present application;

Fig. 2 is a schematic structural view of the roller distance adjustment device of the open mill in the embodiment of the present application.

The marks in the accompanying drawings are: 1-frame, 101-fixed bracket, 102-scale, 103-fixed base, 104-bottom plate; 2-fixed roller; 3-moving roller; 4-first bearing seat; 5-second bearing seat; 6-adjustment mechanism, 601-adjusting screw, 602-nut; 7-transmission mechanism, 701-transmission shaft, 702-transmission shaft support frame, 703-A bevel gear, 704-B bevel gear ; 8-motor; 9-controller.

detailed description

The application will be further described below in conjunction with the accompanying drawings and embodiments, but it should not be used as a basis for limiting the application.

Example:

Referring to Fig. 1 and Fig. 2, the mill roller spacing device of the present application includes a frame 1; the frame 1 includes a bottom plate 104, and two parallel horizontal bases 103 fixed on the bottom plate 104; The transverse base 103 is provided with a fixed roller 2 and a moving roller 3; the two ends of the fixed roller 2 are respectively provided with a first bearing seat 4, and the first bearing seat 4 and the fixed roller 2 The two ends of the moving roller 3 are respectively provided with a second bearing seat 5, and the second bearing seat 5 is connected in rotation with the moving roller 3; the two first bearing seats 4 are respectively connected with two transverse bases The seat 103 is fixed by threaded connection, and the two second bearing seats 5 are respectively slidably connected with two corresponding transverse bases 103; the transverse base 103 is provided with slide rails, and correspondingly, the The bottom is provided with a chute; the second bearing seat 5 is provided with an adjustment mechanism 6 for adjusting the distance between the moving roller 3 and the fixed roller 2; The output shaft is driven and connected; the motor 8 is electrically connected to the controller 9; the controller 9 is a PLC controller, which is fixed on the base plate 104, and the controller 9 is provided with a touch screen, so that it can be set on the touch screen The moving distance of moving roller 3.

In this embodiment, the adjusting mechanism 6 includes an adjusting screw 601 and a nut 602 sleeved outside the adjusting screw 601 ; the nut 602 is fixed on the second bearing seat 5 . At this time, the adjustment process is simple and convenient; when the distance is adjusted, the motor 8 drives the adjustment screw 601 to rotate, and the nut 602 drives the second bearing seat 5 to move relative to the adjustment screw 601, thereby driving the moving roller 3 to move, and the movement of the moving roller can be realized. Adjustment of the distance between drum 3 and fixed roller 2. Further, the frame 1 is provided with a fixed bracket 101 , and the adjusting screw 601 is connected to the fixed bracket 101 through threads. The fixed bracket 101 can support the adjusting screw rod 601 to ensure the stability of the adjusting screw rod 601 when it rotates.

In this embodiment, the transmission mechanism 7 includes a transmission shaft 701; the transmission shaft 701 is fixed on the frame 1 through two transmission shaft support frames 702; two A bevel gears 703 are arranged on the transmission shaft 701, The A bevel gear 703 meshes with the B bevel gear 704 provided on the adjusting screw 601 ; the transmission shaft 701 is connected with the output shaft of the motor 8 . After the transmission mechanism 7 adopts the above-mentioned structure, the structure is simple, the assembly is relatively convenient, and the transmission stability is good. Further, the transmission shaft 701 is connected and fixed with the output shaft of the motor 8 through a coupling. At this time, the installation is relatively easy, and it can be ensured that when there is a small deviation in the centerline positions of the transmission shaft 701 and the output shaft of the motor, they can each rotate smoothly, and the torque transmission is not affected, ensuring the transmission performance; in addition, the shaft coupling It also has certain cushioning and shock absorption performance and overload safety protection. Further, a rolling bearing is embedded inside the transmission shaft supporting frame 702, and the transmission shaft 701 is inserted into the rolling bearing. Thus, the coefficient of friction during the rotation of the transmission shaft 701 can be reduced to ensure its normal working position and rotation accuracy, and the rolling bearing is easy to use and maintain, and easy to replace. Further, the transmission shaft supporting frame 702 and the fixing bracket 101 are integrally formed. In this case, it is convenient to manufacture and easy to implement.

In this embodiment, the frame 1 is provided with a scale 102 . Thus, it is possible to determine the current distance between the moving roller 2 and the fixed roller 3 by looking at the scale 102 , which facilitates subsequent distance adjustment.

working principle:

First, input the distance to be adjusted on the touch screen of the controller 9, the controller 9 sends an instruction, controls the motor 8 to work, the output shaft of the motor 8 rotates, and drives the transmission shaft 701 to rotate, and the transmission shaft 701 passes through the A bevel gear 703 and the B The transmission of the bevel gear 704 drives the adjustment screw 601 to rotate. After the adjustment screw 601 rotates, the drive nut 602 drives the second bearing seat 5 to move relative to the adjustment screw 601, thereby driving the moving roller 3 to move, realizing the movement of the moving roller 3 and Adjustment of the distance between the fixed rollers 2.

The above general description of the utility model involved in this application and the description of its specific implementation methods should not be construed as limiting the technical solution of the utility model. Based on the disclosure of this application, those skilled in the art can add, add, Reduce or combine to form other technical solutions within the protection scope of the present application.

Claims (8)

1. Open mill roller roll adjustment device, its characterized in that: comprises a frame (1); a fixed roller (2) and a movable roller (3) are arranged on the frame (1); two ends of the fixed roller (2) are respectively provided with a first bearing seat (4), and the first bearing seats (4) are rotationally connected with the fixed roller (2); two ends of the movable roller (3) are respectively provided with a second bearing seat (5), and the second bearing seats (5) are rotationally connected with the movable roller (3); the first bearing seat (4) is fixed on the rack (1), and the second bearing seat (5) is connected with the rack (1) in a sliding manner; each second bearing seat (5) is provided with an adjusting mechanism (6) for adjusting the distance between the movable roller (3) and the fixed roller (2); the adjusting mechanism (6) is in transmission connection with an output shaft of the motor (8) through a transmission mechanism (7); the motor (8) is electrically connected with the controller (9).

2. The roll-setting device of an open mill of claim 1, characterized in that: the adjusting mechanism (6) comprises an adjusting screw rod (601) and a nut (602) sleeved outside the adjusting screw rod (601); the nut (602) is fixed on the second bearing seat (5).

3. The roll stand of claim 2, wherein: the adjustable screw is characterized in that a fixing support (101) is arranged on the rack (1), and the adjusting screw rod (601) is connected with the fixing support (101) through threads.

4. The roll-setting device of claim 3, characterized in that: the transmission mechanism (7) comprises a transmission shaft (701); the transmission shaft (701) is fixed on the rack (1) through two transmission shaft supporting frames (702); two A bevel gears (703) are arranged on the transmission shaft (701), and the A bevel gears (703) are meshed with B bevel gears (704) arranged on the adjusting screw rods (601); the transmission shaft (701) is connected with an output shaft of the motor (8).

5. The roll-setting device of claim 4, characterized in that: the transmission shaft (701) is fixedly connected with an output shaft of the motor (8) through a coupler.

6. The roll-setting device of claim 4, characterized in that: a rolling bearing is embedded in the transmission shaft support frame (702), and the transmission shaft (701) is inserted into the rolling bearing.

7. The roll-setting device of claim 6, characterized in that: the transmission shaft supporting frame (702) and the fixing support (101) are integrally formed.

8. The roll-setting device of an open mill of claim 1, characterized in that: scales (102) are arranged on the rack (1).

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