Roller spacing adjustment device, control method and pulverizer

Abstract

The present invention discloses a roller spacing adjustment device, which is used to adjust the roller spacing value of a fixed roller and an adjustable roller in a pulverizer, and includes: an eccentric seat, which is arranged to be rotatable around a rotation axis, the eccentric seat is connected to the adjustable roller, and the rotation axis is parallel to and does not overlap with the axis of the adjustable roller; a push rod, which is connected to the eccentric seat, and the push rod is used to push and pull the eccentric seat to rotate around the rotation axis; a detection device, which is arranged on the inner wall of the pulverizer housing, and is used to detect the actual roller spacing value between the adjustable roller and the fixed roller; a control system, which is electrically connected to the push rod and the detection device, and the control system can output a pulse value to the push rod to control its extension and contraction according to the preset roller spacing value. The present invention can improve the adjustment efficiency, save time, improve the adjustment accuracy, reduce errors, improve the automation level, and is simple to operate. The present invention also provides a control method and a pulverizer.

Description

Technical Field

[0001] The invention relates to the technical field of food processing devices, and in particular to a roller spacing adjustment device, a control method and a pulverizer. Background Art

[0002] In the field of food processing, the crusher plays an important role. Raw material crushing is the first process, which is related to the quality of food and the utilization rate of raw materials. Different types of raw materials correspond to different crushing roller spacings. Before the raw materials are crushed, the roller spacing of the two crushing rollers of the crusher needs to be adjusted. In the prior art, the crushing roller spacing adjustment device includes manual adjustment and worm adjustment. When manually adjusting, first loosen the clamping bolt of the crushing roller eccentric bearing seat, then use a wrench to turn the eccentric bearing seat adjustment screw, and manually measure the gap between the two rollers synchronously until the gap meets the requirements. After the adjustment is completed, tighten the clamping bolt of the crushing roller eccentric bearing seat; this method is cumbersome to operate and time-consuming. When adjusting the worm, first install the motor next to the crushing roller eccentric bearing seat, connect the square gear box above the motor, and the output end of the gear box is driven to the steering wheel through a belt, the steering wheel is connected to the universal joint, the universal joint is connected to the worm, and then the worm drives the crushing roller eccentric bearing seat to realize the electric adjustment of the roller gap; after multiple connections, the error generated by each step of transmission is accumulated, resulting in a large roller gap adjustment error. Summary of the invention

[0003] The purpose of the present invention is to solve the technical problems in the prior art that roller spacing adjustment is time-consuming, cumbersome to operate, and has large errors. The present invention provides a roller spacing adjustment device, a control method, and a pulverizer, which can improve adjustment efficiency, save time, improve adjustment accuracy, reduce errors, improve automation level, and simplify operation.

[0004] In order to solve the above technical problems, the embodiment of the present invention discloses a roller spacing adjustment device for adjusting the roller spacing value of a fixed roller and an adjustable roller in a pulverizer, comprising:

[0005] The eccentric seat is arranged to rotate around a rotation axis, the eccentric seat is connected to the adjustable roller, and the rotation axis is parallel to the axis of the adjustable roller and does not overlap;

[0006] A push rod is connected to the eccentric seat, and is used to push and pull the eccentric seat to rotate around the rotation axis;

[0007] A detection device, arranged on the inner wall of the crusher housing, for detecting the actual roller spacing value between the adjustable roller and the fixed roller;

[0008] The control system is electrically connected to the push rod and the detection device. The control system can output pulses to the push rod according to a preset roller spacing value to control its extension and retraction.

[0009] Optionally, it also includes an adjustment seat, which is arranged on the eccentric seat, and an adjustment handle is provided on the adjustment seat; the adjustment handle is hinged to the telescopic end of the push rod.

[0010] Optionally, the eccentric seat is connected to the adjustable roller via a bearing.

[0011] Optionally, the distance between the rotation axis and the axis of the adjustable roller is 0.1-5 mm.

[0012] Optionally, it also includes a fixed seat, which is arranged on the pulverizer and is hinged to the fixed end of the push rod.

[0013] Optionally, the control system includes:

[0014] A storage unit, used for storing roller spacing values ​​and pulse values, wherein each roller spacing value corresponds to each pulse value one by one;

[0015] An interactive unit, for receiving preset parameters selected by a user and displaying a current actual roller spacing value;

[0016] The processing unit is electrically connected to the interaction unit, the storage unit and the detection device, and is used to generate corresponding work instructions according to the preset parameters selected by the user.

[0017] Optionally, the preset parameters include a preset roller spacing value and a preset pulse value;

[0018] When the preset parameter is a preset roller spacing value, the working instruction is to retrieve a corresponding pulse value in the storage unit according to the preset roller spacing value, and output the pulse value to the push rod;

[0019] When the preset parameter is a preset pulse value, the working instruction is to output the preset pulse value to the push rod, and store the preset pulse value and the actual roller spacing value generated by the preset pulse value detected by the detection device in the storage unit to form a data group.

[0020] The present invention also provides a control method for controlling the aforementioned roller spacing adjustment device, comprising the following steps:

[0021] Receiving a preset roller spacing value input by a user;

[0022] According to the preset roller spacing value input by the user, the pulse value in the corresponding data group in the storage unit is retrieved;

[0023] Outputs the pulse value to the fader.

[0024] Optionally, the method for constructing the data set includes:

[0025] receiving a preset pulse value input by a user;

[0026] Outputting a preset pulse value to the push rod so that the push rod can adjust the roller spacing;

[0027] The detection device measures the actual roller spacing value after adjustment and feeds the actual roller spacing value back to the control system;

[0028] The control system stores the preset pulse value and the actual roller spacing value in a storage unit to form a data set.

[0029] The present invention also provides a pulverizer, comprising the aforementioned roller spacing adjustment device.

[0030] The beneficial effects of the above technical solution are as follows:

[0031] The roller spacing adjustment device provided by the present invention adjusts the roller spacing by controlling the pulse value output to the push rod, which can make the operation simple and one-step, reduce error accumulation, and improve the adjustment accuracy and automation level. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 A schematic structural diagram showing a roller spacing adjustment device according to an embodiment of the present invention;

[0033] Figure 2 A partial cross-sectional view showing an eccentric seat and an adjustable roller mounting structure according to an embodiment of the present invention.

[0034] The reference numerals are as follows:

[0035] 1. Fixed roller, 101. Bearing seat, 2. Adjustable roller, 201. End shaft, 3. Eccentric seat, 301. Flange sleeve, 4. Push rod, 401. Telescopic end, 402. Fixed end, 5. Box, 6. Control system, 7. Adjustment seat, 701. Adjustment handle, 8. Bearing, 9. Fixed seat, 901. Fixed handle. DETAILED DESCRIPTION

[0036] The following specific embodiments illustrate the implementation of the present invention, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Although the description of the present invention will be introduced in conjunction with the preferred embodiment, this does not mean that the features of this invention are limited to this implementation. On the contrary, the purpose of introducing the invention in conjunction with the implementation is to cover other options or modifications that may extend based on the claims of the present invention. In order to provide a deep understanding of the present invention, the following description will include many specific details. The present invention can also be implemented without using these details. In addition, in order to avoid confusion or blurring the focus of the present invention, some specific details will be omitted in the description. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0037] It should be noted that in this specification, similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0038] In the description of this embodiment, it should be noted that the terms "outside", "inside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the inventive product is usually placed when in use. These are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0039] In the description of this embodiment, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this embodiment can be understood according to specific circumstances.

[0040] In order to make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0041] The embodiment of the present invention discloses a roller spacing adjustment device for adjusting the roller spacing between a fixed roller 1 and an adjustable roller 2 in a pulverizer; Figure 1 and Figure 2 In the roller spacing adjustment device shown, the fixed roller 1 and the adjustable roller 2 are arranged in parallel, and the minimum distance between the surface of the fixed roller 1 and the surface of the adjustable roller 2 is the roller spacing; the roller spacing adjustment device includes:

[0042] The eccentric seat 3 is arranged to rotate around a rotation axis. The eccentric seat 3 is connected to the adjustable roller 2. The rotation axis is parallel to the axis of the adjustable roller 2 and does not overlap.

[0043] The push rod 4 is connected to the eccentric seat 3, and is used to push and pull the eccentric seat 3 to rotate around the rotation axis; specifically, one end of the push rod 4 is hinged to the eccentric seat 3, and the other end is hinged to the box 5 on the grinder. The connection point between the push rod 4 and the eccentric seat 3 is not arranged on the rotation axis, and the direction of the force generated by the push rod 4 on the eccentric seat 3 is perpendicular to the rotation axis.

[0044] The detection device is arranged on the inner wall of the crusher housing 5 and is used to detect the actual roller spacing value between the adjustable roller 2 and the fixed roller 1; specifically, the detection device includes a detection end, which is fixed on the inner wall of the crusher housing 5 to facilitate the detection of the roller spacing; the present invention does not specifically limit the type of the detection end and the location of the detection end.

[0045] The control system 6 is electrically connected to the push rod 4 and the detection device. The control system 6 can output pulses to the push rod 4 to control its extension and retraction according to the preset roller spacing value. Specifically, the push rod 4 is an electric push rod, which is equipped with a motor. When adjusting the roller spacing, the control system 6 sends pulses to the motor, and the motor generates a corresponding number of revolutions according to the pulse value to adjust the extension and retraction length of the push rod 4; when the push rod 4 is extended and retracted, the eccentric seat 3 is driven to rotate around the rotation axis, thereby driving the adjustable roller 2 to approach / move away from the fixed roller 1 to change the roller spacing between the adjustable roller 2 and the fixed roller 1.

[0046] The roller spacing adjustment device using the above technical solution adjusts the roller spacing by controlling the pulse value output to the push rod 4, which can make the operation simple and one-step, reduce error accumulation, and improve the adjustment accuracy and automation level.

[0047] Specifically, the outer contour of the eccentric seat 3 can be a cylinder, and the housing 5 of the pulverizer is provided with a flange sleeve 301 for installing the eccentric seat 3. The flange sleeve 301 has an installation cavity adapted to the outer periphery of the eccentric seat 3 and a stopper unit for preventing the eccentric seat 3 from falling off. The eccentric seat 3 is arranged in the installation cavity and can rotate in the installation cavity. An oil-containing bearing can be arranged between the eccentric seat 3 and the flange sleeve 301. The rotation axis of the eccentric seat 3 is the axis of the outer circumferential surface of the eccentric seat 3. Further, the end of the adjustable roller 2 can be provided with an end shaft 201, and the axis of the end shaft 201 coincides with the axis of the adjustable roller 2. The eccentric seat 3 is provided with a mounting hole, and the end shaft 201 is rotatably connected to the mounting hole through a bearing 8. The rotation axis does not coincide with the axis of the adjustable roller 2, that is, the axis of the outer circumferential surface of the eccentric seat 3 does not coincide with the axis of the mounting hole of the eccentric seat 3.

[0048] Furthermore, the adjusting seat 7 is also included. The adjusting seat 7 is arranged on the eccentric seat 3. The adjusting seat 7 is provided with an adjusting handle 701. The adjusting handle 701 is hinged to the telescopic end 401 of the push rod 4. Specifically, the adjusting seat 7 is bolted to the eccentric seat 3. The adjusting handle 701 extends radially outwards along the eccentric seat 3, and one end of the adjusting handle 701 away from the eccentric seat 3 is hinged to the telescopic end 401. The adjusting seat 7 is provided to facilitate the connection between the push rod 4 and the eccentric seat 3, and the adjusting handle 701 is provided to facilitate the push rod 4 to apply a thrust or a pull to the eccentric seat 3.

[0049] Furthermore, it also includes a fixed seat 9, which is arranged on the pulverizer, and the fixed seat 9 is hinged to the fixed end 402 of the push rod 4. Specifically, the fixed seat 9 is arranged outside the bearing seat 101 at the end of the fixed roller 1, and the fixed seat 9 is bolted to the bearing seat 101. The fixed seat 9 has a fixed handle 901, and the fixed end 402 is hinged to the fixed handle 901. The fixed seat 9 plays a role in supporting the push rod 4, and is easy to disassemble, maintain and replace.

[0050] Furthermore, the spacing (eccentricity) between the rotation axis and the axis of the adjustable roller 2 is 0.1-5 mm. In this embodiment, according to different crushing processes, the eccentric seat 3 with different eccentricities can be replaced to change the eccentricity; the crusher for preliminary crushing of raw materials often uses an eccentric seat 3 with an eccentricity of 5 mm, and the crusher for fine crushing of raw materials often uses an eccentric seat 3 with an eccentricity of 0.1 mm. The use of eccentric seats 3 with different eccentricities can meet the requirements of different crushing processes and the adjustment range of the roller spacing of raw materials.

[0051] Furthermore, the control system 6 comprises:

[0052] The storage unit is used to store roller spacing values ​​and pulse values, and each roller spacing value corresponds to each pulse value one by one; the roller spacing value and the corresponding pulse value form a data group.

[0053] The interactive unit is used to receive the preset parameters selected by the user and display the current actual roller spacing value; the user can input the preset parameters to the interactive unit through the touch screen or keyboard and mouse, and the interactive unit displays the current actual roller spacing value through the screen. The current actual roller spacing value is fed back to the interactive unit in real time by the detection device.

[0054] The processing unit is electrically connected to the interaction unit, the storage unit and the detection device, and is used to generate corresponding work instructions according to the preset parameters selected by the user. The processing unit can receive the current actual roller spacing value fed back by the detection device, receive the preset parameters input from the interaction unit, and generate a work instruction and feed it back to the push rod 4.

[0055] Controlling the push rod 4 to adjust the roller spacing through the control system 6 reduces manual labor, simplifies operation, and improves the level of automation.

[0056] Further, the preset parameters include a roller spacing value and a pulse value;

[0057] When the preset parameter is a preset roller spacing value, the working instruction is to retrieve the corresponding pulse value in the storage unit according to the preset roller spacing value, and output the pulse value to the push rod 4;

[0058] When the preset parameter is a preset pulse value, the working instruction is to output the preset pulse value to the push rod 4, and store the preset pulse value and the actual roller spacing value generated by the preset pulse value detected by the detection device in the storage unit to form a data group.

[0059] The present invention also provides a control method for controlling the aforementioned roller spacing adjustment device, comprising the following steps:

[0060] The interactive unit of the control system 6 receives the preset roller spacing value input by the user;

[0061] The processing unit of the control system 6 retrieves the pulse value in the corresponding data group in the storage unit according to the preset roller spacing value input by the user;

[0062] The processing unit of the control system 6 outputs the pulse value to the push rod 4; the push rod 4 expands and contracts according to the received pulse value, and pushes the eccentric seat 3 to rotate to obtain a preset roller spacing.

[0063] Furthermore, the method for constructing the data set includes:

[0064] The interactive unit of the control system 6 receives the preset pulse value input by the user;

[0065] The processing unit of the control system 6 outputs the preset pulse value to the push rod 4, and the push rod 4 expands and contracts according to the received preset pulse value, so that the push rod 4 adjusts the roller spacing;

[0066] The detection device measures the adjusted roller spacing to obtain an actual roller spacing value, and feeds the actual roller spacing value back to the processing unit of the control system 6;

[0067] The control system 6 stores the above-mentioned preset pulse value and the actual roller spacing value in a storage unit to form a data set.

[0068] The above technical solution is used to control the roller spacing adjustment device, which is easy to operate, reduces manual labor and improves the level of automation.

[0069] The present invention also provides a pulverizer, comprising the aforementioned roller spacing adjustment device.

[0070] Although the present invention has been illustrated and described with reference to certain preferred embodiments of the present invention, it should be understood by those skilled in the art that the above is a further detailed description of the present invention in conjunction with specific embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. Those skilled in the art may make various changes in form and details, including making several simple deductions or substitutions, without departing from the spirit and scope of the present invention.

Claims

1. A roller spacing adjustment device for adjusting the roller spacing value of a fixed roller and an adjustable roller in a pulverizer, characterized in that: include: An eccentric seat is arranged to be rotatable around a rotation axis, the eccentric seat is connected to the adjustable roller, and the rotation axis is parallel to and does not overlap with the axis of the adjustable roller; A push rod is connected to the eccentric seat, and is used to push and pull the eccentric seat to rotate around the rotation axis; one end of the push rod is hinged to the eccentric seat, and the connection point between the push rod and the eccentric seat is not arranged on the rotation axis, and the direction of the force generated by the push rod on the eccentric seat is perpendicular to the rotation axis; A fixed seat, the fixed seat is arranged on the pulverizer, and the fixed seat is hinged to the fixed end of the push rod; A detection device, arranged on the inner wall of the pulverizer housing, for detecting an actual roller spacing value between the adjustable roller and the fixed roller; A control system is electrically connected to the push rod and the detection device. The control system can output pulses to the push rod to control its extension and retraction according to a preset roller spacing value.

2. The roller spacing adjustment device according to claim 1, characterized in that: It also includes an adjustment seat, which is arranged on the eccentric seat. An adjustment handle is provided on the adjustment seat; the adjustment handle is hinged to the telescopic end of the push rod.

3. The roller spacing adjustment device according to claim 1, characterized in that: The eccentric seat is connected with the adjustable roller via a bearing.

4. The roller spacing adjustment device according to claim 3, characterized in that: The distance between the rotation axis and the axis of the adjustable roller is 0.1-5 mm.

5. The roller spacing adjustment device according to claim 1, characterized in that: The control system comprises: A storage unit, used for storing roller spacing values ​​and pulse values, wherein each roller spacing value corresponds to each pulse value one by one; An interaction unit, used for receiving preset parameters selected by a user and displaying the current actual roller spacing value; A processing unit is electrically connected to the interaction unit, the storage unit and the detection device, and is used to generate corresponding work instructions according to the preset parameters selected by the user.

6. The roller spacing adjustment device according to claim 5, characterized in that: The preset parameters include the preset roller spacing value and the preset pulse value; When the preset parameter is the preset roller spacing value, the working instruction is to retrieve the corresponding pulse value in the storage unit according to the preset roller spacing value, and output the pulse value to the push rod; When the preset parameter is the preset pulse value, the working instruction is to output the preset pulse value to the push rod, and store the preset pulse value and the actual roller spacing value generated by the detection device under the action of the preset pulse value in a storage unit to form a data group.

7. A control method for controlling the roller spacing adjustment device according to claim 6, characterized in that: The following steps are involved: Receiving the preset roller spacing value input by a user; According to the preset roller spacing value input by the user, the pulse value in the corresponding data group in the storage unit is retrieved; The pulse value is output to the push rod.

8. The control method according to claim 7, characterized in that: The method for constructing the data set comprises: receiving the preset pulse value input by a user; Outputting the preset pulse value to the push rod so that the push rod adjusts the roller spacing; The detection device measures the adjusted actual roller spacing value and feeds back the actual roller spacing value to the control system; The control system stores the preset pulse value and the actual roller spacing value in the storage unit to form the data set.

9. A pulverizer, characterized in that: The invention comprises the roller spacing adjustment device according to any one of claims 1 to 6.

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