CN218637488U - Roll shaft spacing precision control device and multi-roll grinding machine - Google Patents
Roll shaft spacing precision control device and multi-roll grinding machine Download PDFInfo
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- CN218637488U CN218637488U CN202222573282.7U CN202222573282U CN218637488U CN 218637488 U CN218637488 U CN 218637488U CN 202222573282 U CN202222573282 U CN 202222573282U CN 218637488 U CN218637488 U CN 218637488U
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Abstract
The utility model discloses a roll shaft spacing precision control device and multi-roll grinding machine, include: the fixed detection module, and the precise limit module and the telescopic control module which are connected with the fixed detection module; accurate spacing module includes: a rotary limiting mechanism and a limiting regulation mechanism; the rotary limiting mechanism is arranged corresponding to the upper end of the fixed detection module, the telescopic control module is arranged on the other side of the rotary limiting mechanism relative to the fixed detection module, and the upper end of the fixed detection module penetrates through the rotary limiting mechanism and is connected with the telescopic control module; the limiting regulation and control mechanism is connected to one side of the fixed detection module and corresponds to the position of the rotary limiting mechanism, and one end of the limiting regulation and control mechanism is linked with the rotary limiting mechanism; the limit regulating mechanism is used for controlling the displacement of the rotary limit mechanism on the fixed detection module; the rotary limiting mechanism is used for limiting the installation distance of the telescopic control module; the utility model discloses accurate regulation and control hydraulic cylinder's that can be intelligent installation distance, and then realize the adjustment in roller clearance.
Description
Technical Field
The utility model relates to a multi-roll grinds the machine field, especially relates to a roll shaft spacing fine control device and multi-roll grinds machine.
Background
The roller shaft clearance control device of the prior three-roller grinding machine mainly comprises a manual control type, an electric control type and the like;
for a small three-roller machine, a manual control type is generally adopted, for example, a knob is screwed by hands to control a cam or an eccentric wheel mechanism, and then a swing arm is controlled by the cam or the eccentric wheel to swing so as to control the distance between rollers; for some high-end small three-roller machines, an electric control mode can be adopted to use a structure similar to manual control, for example, a stepping motor is adopted to control a cam or an eccentric wheel mechanism, and then a cam or an eccentric wheel is used to control the swing of a swing arm to control the distance between rollers;
for a large hydraulic three-roller machine, the required grinding force and the clamping force are large, so a hydraulic oil cylinder is mostly adopted to provide the clamping force, usually, a distance adjusting component is arranged on a piston rod of the hydraulic oil cylinder, the relative position of the distance adjusting component and the piston rod is changed through the distance adjusting component, the minimum installation distance of the hydraulic oil cylinder is further changed, and the adjustment of the roll shaft clearance is realized on the basis;
in the roll shaft clearance control device, although the adjustment precision of the cam or eccentric wheel distance adjustment mode is higher, the device is only suitable for the application occasions of the three-roll machine with smaller clamping force, and the application range is limited because the device cannot be expanded and applied to a large hydraulic three-roll machine due to the structural characteristics; the mode of aforementioned hydraulic cylinder and roll adjustment subassembly adopts the hand wheel that the area instructed the scale usually to drive the transfer line, and transfer line end connection has a drive gear, makes drive gear drive roll adjustment subassembly displacement through the transfer line, and then realizes roll adjustment control, and this kind of mode is mostly manual control form, though control form is simple, but the control accuracy is lower, and intelligent degree is lower, and the limitation is great to certain cost of labor has been consumed.
SUMMERY OF THE UTILITY MODEL
The main objective of the utility model is to the above-mentioned problem that exists among the prior art, provide a roll shaft spacing precision control device and multi-roll grinding machine, and then solve among the prior art at present the roll shaft clearance control device control accuracy in the large-scale hydraulic three-roll machine lower, intelligent degree is lower, the limitation is great to certain cost of labor's problem has been consumed.
In order to solve the technical problem, the utility model discloses a technical scheme be:
on the one hand, the utility model provides a roll shaft spacing precision control device, include:
the device comprises a fixed detection module, a precise limiting module and a telescopic control module, wherein the precise limiting module and the telescopic control module are connected to the fixed detection module;
accurate spacing module includes: a rotary limiting mechanism and a limiting regulation mechanism;
the rotary limiting mechanism is arranged corresponding to the upper end of the fixed detection module, the telescopic control module is arranged on the other side of the rotary limiting mechanism relative to the fixed detection module, and the upper end of the fixed detection module penetrates through the rotary limiting mechanism and is connected with the telescopic control module;
the limiting regulation and control mechanism is connected to one side of the fixed detection module and corresponds to the position of the rotary limiting mechanism, and one end of the limiting regulation and control mechanism is linked with the rotary limiting mechanism;
the limit regulating and controlling mechanism is used for controlling the displacement of the rotary limit mechanism on the fixed detection module; the rotary limiting mechanism is used for limiting the installation distance of the telescopic control module.
As an improved solution, the fixed detection module comprises: the device comprises a first mounting part, a precision screw and a detection assembly arranged on the first mounting part;
the first mounting piece is vertically arranged, and a first mounting hole position is formed in the bottom of the first mounting piece;
the detection assembly is arranged on the side wall of the first mounting part;
the precision screw rod is vertically arranged on the upper surface of the first mounting part.
As an improved solution, the expansion control module comprises: the telescopic unit and the buffer unit;
the telescopic unit is arranged at the top of the precision screw along the length direction of the precision screw, the telescopic end of the telescopic unit is connected with the upper end of the precision screw, and a distance is reserved between the telescopic end of the telescopic unit and the first mounting piece;
buffer unit encircles flexible end setting is in flexible unit orientation the one side of first installed part, the top of flexible unit sets up second installation hole site.
As an improved solution, the rotation limiting mechanism includes: a precision nut and a pitch gear;
the precision nut is sleeved on the precision screw rod in a threaded manner;
the distance adjusting gear is sleeved at one end, close to the telescopic unit, of the precision nut, and an annular contact piece corresponding to the buffer unit is arranged on one surface, facing the telescopic unit, of the distance adjusting gear.
As an improved scheme, the limit adjusting and controlling mechanism comprises: a rotation control unit and a transmission gear;
the rotation control unit is arranged on one side of the first installation part in parallel to the precision screw and avoids the position of the detection assembly, and the rotation output end of the rotation control unit is arranged corresponding to the distance adjusting gear;
the transmission gear is sleeved on the rotating output end and movably meshed with the distance adjusting gear, and the thickness of the distance adjusting gear is larger than that of the transmission gear.
As an improved solution, the telescopic unit comprises: the piston rod of the oil cylinder is the telescopic end;
the buffer unit includes: the bottom of the oil cylinder is provided with an annular groove surrounding the piston rod, the thrust bearing is matched with the annular groove, and the thrust bearing is arranged in the annular groove.
As a modified solution, the rotation control unit includes: a stepping motor and a motor reducer;
the step motor is connected with the side wall of one side of the first mounting part through a motor connecting seat, an output shaft of the step motor is the rotary output end, and the output shaft is arranged in parallel to the precision screw;
a distance is arranged between the transmission gear and the stepping motor, and the motor reducer is in transmission connection with an output shaft between the stepping motor and the transmission gear.
As an improved scheme, a vertically arranged displacement detection plate is connected to one side of the telescopic unit corresponding to the position of the detection assembly;
the detection assembly comprises: the sensor comprises a sensor mounting plate, a proximity switch and a sensor;
the sensor mounting plate is horizontally connected to the side wall of the first mounting piece;
the proximity switch is vertically arranged on the upper surface of the sensor mounting plate, and a distance is arranged between the proximity switch and the telescopic unit;
the sensor is vertically arranged at a position, close to the proximity switch, of the upper surface of the sensor mounting plate, the sensor is arranged corresponding to the displacement detection plate, and a sensing probe of the sensor is in contact with the bottom of the displacement detection plate.
On the other hand, the utility model provides a multi-roller grinder, which comprises a roller spacing precise control device provided by the utility model;
the multi-roll grinder further comprises: the device comprises a rack and a plurality of roller shaft modules arranged on the rack; and the roll shaft modules are connected with each other through the roll shaft interval precision control device.
As an improvement, a plurality of the roller modules include: the device comprises a reference roller module and a movable roller module;
the reference roller module is fixedly connected to the rack, and the movable roller module is movably connected to the rack and close to the reference roller module;
and a first connecting piece between the movable roller module and the rack is connected with a second connecting piece between the reference roller module and the rack through the roller shaft spacing precision control device.
The utility model has the advantages that:
1. the utility model discloses a roll shaft spacing precision control device, adopt hydro-cylinder structure spare to press from both sides tight roll shaft, and install the roll adjustment gear on the hydraulic cylinder piston rod, adopt step motor drive precision gear and then drive the rotation of roll adjustment gear, further change hydraulic cylinder's installation distance, and then realize the adjustment of roll shaft clearance; wherein, the utility model discloses go back the distance between the accessible sensor module detection roller to form closed loop feedback with step motor drive control, step motor's feed distance can carry out real-time correction according to the displacement feedback, moreover in the roll adjustment control process, step motor's kinematic error also can be revised through the feedback, the utility model discloses a control accuracy is high, and is intelligent extremely strong.
2. A roll shaft spacing precision control device, adopt intelligent automatically controlled structure, accurate roll adjustment structure, the hydro-cylinder structure of high clamp force, realized roll shaft spacing precision control on large-scale hydraulic pressure three-roller machine, and realized the automated control of roll shaft spacing, remedied small-size three-roller machine spacing control device and can not be applied to the inferior situation of large-scale three-roller machine, remedied the defect that the vice play of ordinary screw thread is big, the precision is low, and remedied hand wheel regulation mode control accuracy low, can not automatic adjustment's defect.
3. A multi-roll grinding machine, adopted the utility model discloses in a roll shaft spacing precision control device, and then can be intelligent according to the interval of roll shaft in the multi-roll grinding machine of demand automatic adjustment, and the adjustment precision is high, so make the multi-roll grinding machine applicable in the grinding demand of difference, improved the grinding precision of multi-roll grinding machine to a certain extent, improved suitability and intelligent, the expansibility is strong, has high using value.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a precision roll gap control device according to embodiment 1 of the present invention;
fig. 2 is a schematic perspective view of a precision roll gap control device according to embodiment 1 of the present invention at another viewing angle;
fig. 3 is a schematic perspective view of a partial structure of a precision roll gap control device according to embodiment 1 of the present invention at another viewing angle;
fig. 4 is a schematic partial perspective view of a multi-roll grinder according to embodiment 2 of the present invention;
fig. 5 is a schematic perspective view of a roll shaft pitch precision control device of a multi-roll grinder according to embodiment 2 of the present invention;
the parts in the drawings are numbered as follows:
1. a second mounting hole location; 2. a pitch adjusting gear; 3. a displacement detection plate; 4. a telescopic unit; 5. a sensor mounting plate; 6. a transmission gear; 7. a proximity switch; 8. a sensor; 9. a motor reducer; 10. a first mounting member; 11. a stepping motor; 12. an annular contact member; 13. a buffer unit; 14. a first mounting hole site; 401. precision nuts; 402. a precision screw; 15. a frame; 16. a reference roller module; 17. and a movable roller module.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
Example 1
Referring to fig. 1 to fig. 3, an embodiment of the present invention includes:
a roll gap fine control apparatus comprising: the device comprises a fixed detection module, and a precise limiting module and a telescopic control module which are connected to the fixed detection module;
accurate spacing module includes: a rotary limiting mechanism and a limiting regulation mechanism; the rotary limiting mechanism is arranged corresponding to the upper end of the fixed detection module, the telescopic control module is arranged on the other side of the rotary limiting mechanism relative to the fixed detection module, and the upper end of the fixed detection module penetrates through the rotary limiting mechanism and is connected with the telescopic control module; the limiting regulation and control mechanism is connected to one side of the fixed detection module and corresponds to the position of the rotary limiting mechanism, and one end of the limiting regulation and control mechanism is linked with the rotary limiting mechanism; the limit regulating and controlling mechanism is used for controlling the displacement of the rotary limit mechanism on the fixed detection module; when the rotary limiting mechanism is in the process of displacement on the fixed detection module, the rotary limiting mechanism can be used for limiting the installation distance of the telescopic control module.
As an embodiment of the utility model, the fixed module that detects includes: the device comprises a first mounting part 10, a precision screw 402 and a detection assembly arranged on the first mounting part 10; as shown in fig. 1, the first mounting member 10 is an arc-shaped member and is vertically arranged, and an arc-shaped area at the bottom of the first mounting member 10 is provided with a first mounting hole 14; the detection assembly is arranged on the side wall of the first mounting part 10; the precision screw 402 is vertically arranged on the upper surface of the first installation part 10, the first installation part 10 is a connecting seat in the embodiment and is used for adaptive installation between the device and a grinding machine, the detection assembly is used for detecting some parameters during space control, the precision is improved, and the precision screw 402 is a main distance-adjusting bearing structural member;
as an embodiment of the present invention, the telescopic control module comprises: a telescopic unit 4 and a buffer unit 13; the telescopic unit 4 is arranged at the top of the precision screw 402 along the length direction of the precision screw 402, the telescopic end of the telescopic unit 4 is connected with the upper end of the precision screw 402, and a distance is arranged between the telescopic end of the telescopic unit 4 and the first mounting part 10; the buffer unit 13 is arranged on one surface of the telescopic unit 4 facing the first mounting part 10 around the telescopic end, and a second mounting hole position 1 is arranged at the top of the telescopic unit 4; as an embodiment of the present invention, the telescopic unit 4 includes but is not limited to: the piston rod of the oil cylinder is the telescopic end; the oil cylinder can provide the clamping force required by the roll shaft, the precision screw 402 is connected with the first mounting member 10, and the first mounting member 10 includes but is not limited to locking and fixing with the first mounting member 10 through a locking nut.
As an embodiment of the present invention, the buffer unit 13 includes: the bottom of the oil cylinder is provided with an annular groove surrounding the piston rod, the thrust bearing is matched with the annular groove and is arranged in the annular groove, and the thrust bearing is mainly used for reducing the rotary friction force generated when the distance adjusting gear 2 displaces;
as an embodiment of the present invention, the rotation limiting mechanism includes: a precision nut 401 and a pitch gear 2; the precision nut 401 is rotatably sleeved on the precision screw 402 through a thread, the distance adjusting gear 2 is arranged at one end of the precision nut 401 close to the telescopic unit 4 in a transmission sleeved mode, and an annular contact element 12 corresponding to the buffer unit 13 is arranged on one surface, facing the telescopic unit 4, of the distance adjusting gear 2; the precision nut 401 and the precision screw 402 are specially made precision threads, and can realize micron-level moving precision, and the moving mechanism is not limited to a specific structural form, and all devices adopting similar structures are in the protection range of the patent; when the oil cylinder is tightened, the annular contact piece 12 at the end of the pitch adjusting gear 2 is tightly pressed with the thrust bearing, and as shown in fig. 3, an integral design can be adopted between the annular contact piece 12 and the pitch adjusting gear 2;
as an embodiment of the present invention, the limiting regulation and control mechanism includes: a rotation control unit and a transmission gear 6; the rotation control unit is arranged on one side of the first installation part 10 in parallel with the precision screw 402 and avoids the position of the detection assembly, and the rotation output end of the rotation control unit is arranged corresponding to the distance adjusting gear 2; the transmission gear 6 is sleeved on the rotary output end, the transmission gear 6 is movably meshed with the distance adjusting gear 2, and the thickness of the distance adjusting gear 2 is larger than that of the transmission gear 6; as an embodiment of the present invention, the rotation control unit includes: a stepping motor 11 and a motor reducer 9; the step motor 11 is connected with the side wall of one side of the first mounting part 10 through a motor connecting seat, an output shaft of the step motor 11 is the rotary output end, and the output shaft is arranged in parallel to the precision screw 402; a distance is arranged between the transmission gear 6 and the stepping motor 11, and the motor reducer 9 is in transmission connection with an output shaft between the stepping motor 11 and the transmission gear 6; therefore, in the present embodiment, the stepping motor 11 drives the motor reducer 9, the motor reducer 9 drives the transmission gear 6 to rotate, and the transmission gear 6 is further in meshing transmission with the pitch adjustment gear 2; therefore, when the stepping motor 11 outputs rotation, the precision nut 401 is finally driven to rotate, and the displacement of the pitch-adjusting gear 2 along the horizontal direction of the piston rod can be realized; the minimum mounting distance of the oil cylinder can be changed by changing the position of the distance adjusting gear 2 relative to the oil cylinder, and finally the distance between the second mounting hole position 1 at the bottom of the oil cylinder and the first mounting hole position 14 on the first mounting piece 10 is changed; in the present embodiment, the matching mechanisms for realizing transmission, such as the stepping motor 11, the motor reducer 9, the transmission gear 6, etc., are not limited to specific structural forms, and transmission mechanisms, such as a servo motor, a synchronous belt, etc., capable of realizing the same function, etc., all belong to the protection scope of the patent;
as an implementation mode of the utility model, a vertically arranged displacement detection plate 3 is connected to one side of the telescopic unit 4 corresponding to the position of the detection component; the detection assembly comprises: the sensor 8 is provided with a mounting plate 5, a proximity switch 7 and a sensor 8; the sensor 8 mounting plate 5 is horizontally connected to the side wall of the first mounting part 10; the proximity switch 7 is vertically arranged on the upper surface of the sensor 8 mounting plate 5, and a distance is reserved between the proximity switch 7 and the telescopic unit 4; the sensor 8 is vertically arranged on the upper surface of the sensor 8 mounting plate 5 close to the proximity switch 7, the sensor 8 is arranged corresponding to the displacement detection plate 3, and a sensing probe of the sensor 8 is in contact with the bottom of the displacement detection plate 3;
in the embodiment, the sensor 8 adopts a contact type displacement sensor, and a sensing contact of the contact type displacement sensor is always in contact with the bottom of the displacement detection plate 3, so that the displacement change condition of the piston rod of the oil cylinder is detected in real time; correspondingly, in the embodiment, when the device is actually applied, when the distance-adjusting gear 2 moves towards the second mounting hole position 1 at the bottom of the oil cylinder, the distance between the distance-adjusting gear 2 and the first mounting hole position 14 is increased, so that the minimum mounting distance of the oil cylinder is increased; when the distance adjusting gear 2 moves towards the first mounting hole 14 of the first mounting part 10, the distance between the distance adjusting gear 2 and the first mounting hole 14 is reduced, so that the minimum mounting distance of the oil cylinder is reduced; when the distance adjusting gear 2 continuously moves towards the first mounting hole 14 of the first mounting part 10 until the distance adjusting gear 2 is not contacted with the thrust bearing, the minimum mounting distance of the oil cylinder can be minimized and is not changed; in this embodiment, when the distance-adjusting gear 2 continuously moves to the first mounting hole 14 of the first mounting part 10 to the sensing distance of the proximity switch 7, the movement is stopped, and the proximity switch 7 is used for real-time limit detection when the distance-adjusting gear 2 moves to the first mounting hole 14 of the first mounting part 10;
in the present embodiment, the aforementioned sensor 8 includes, but is not limited to, all sensors satisfying real-time detection, such as a grating ruler, etc., the aforementioned proximity switch 7 includes, but is not limited to, all sensors satisfying real-time detection, a travel switch, etc., and the aforementioned buffer unit 13 includes, but is not limited to, all buffers capable of reducing friction when the pitch gear 2 and the cylinder rotate relatively.
Example 2
Referring to fig. 4 and 5, an embodiment of the present invention includes:
a multi-roll grinder comprising the roll shaft pitch precision control device described in embodiment 1;
the multi-roll grinder further comprises: the device comprises a frame 15 and a plurality of roller shaft modules arranged on the frame 15; the roll shaft modules are connected with each other through the roll shaft spacing precision control device; as shown in fig. 5, the multi-roll grinder is a three-roll grinder, which further includes the following components: the device comprises an intermediate bearing seat 22, a plurality of pin shafts I23, a plurality of pin shafts II 24, a discharging bearing seat 25, a fixing bolt 26 and a feeding bearing seat 27; as shown in fig. 5, the structural member denoted by reference numeral 21 is the roll shaft pitch precision control device described in embodiment 1,
as an embodiment of the utility model, a plurality of the roller module includes: a reference roller module 16 and a movable roller module 17; the reference roller module 16 is fixedly connected to the frame 15, and the movable roller module 17 is movably connected to the frame 15 and is close to the reference roller module 16; the reference roller module 16 is a fixed roller shaft assembly in the multi-roller grinding machine, and the movable roller module 17 is a movable roller shaft assembly which can be regulated and controlled by a roller shaft spacing precision control device;
a first connecting piece between the movable roller module 17 and the rack 15 is connected with a second connecting piece between the reference roller module 16 and the rack 15 through the roller shaft spacing precision control device;
as an embodiment of the present invention, as shown in fig. 5, the specific connection manner is as follows: the three-roller machine drives the roller shafts 16 to rotate through the roller shaft driving device 18, and the three-roller machine provides hydraulic oil force to the roller shaft distance control device 21 through the hydraulic system 20 to clamp the roller shafts; when the three-roller machine runs, materials enter between the roller shafts from the feeding device 17, and are output by the discharging device 15 after being ground;
as an embodiment of the present invention, a cooling system 19 is provided corresponding to each roller shaft module and used for forcibly controlling the temperature of the roller surface; the lower end of the middle bearing seat 22 is connected with the rack 15 through a second pin shaft 24, and the upper end of the middle bearing seat is respectively connected with two second mounting hole positions 1 at the bottom of the oil cylinder barrel of the roll shaft spacing control device 21 on two sides through two first pin shafts 23;
as an embodiment of the present invention, the lower end of the discharging bearing seat 25 is connected to the frame through another pin 24, and the upper end is connected to the first mounting hole 14 of the first mounting member 10 of the roller shaft spacing control device 21 through another pin 23, and is fixedly connected to the frame through a fixing bolt 26;
as an embodiment of the present invention, the lower end of the feeding bearing seat 27 is connected to the frame through another second pin 24, and the upper end is connected to the first mounting hole 14 of the first mounting member 10 of the roller shaft spacing control device 21 through another first pin 23;
as an embodiment of the present invention, the movable roller module 17 is a matching structure between the feeding bearing seat 27 and the intermediate bearing seat 22 and between the feeding roller and the grinding roller respectively; the reference roller module 16 is a matching structure between the discharging bearing seat 25 and the discharging roller;
as an embodiment of the present invention, the hydraulic system 20 is mainly used for providing hydraulic oil pressure to drive the oil cylinder in the roller shaft spacing control device 21 to extend or shorten; when the oil cylinder extends, the three roll shafts are kept in a separated state; when the oil cylinder is shortened, the three roll shafts keep a clamping state; it may then be used to grind the material;
as an embodiment of the present invention, when in use, because the main distance adjusting component is a roller shaft distance control device, based on the design of the precision screw and the stepping motor 11, compared with the common distance adjusting component, the distance adjusting component has higher precision and intelligence, and the positioning precision is also extremely accurate;
as an embodiment of the present invention, when the multi-roller machine in this embodiment is used for distance adjustment, if the distance adjustment gear 2 returns to the detection position of the proximity switch 7, the gap between the rollers is zero, the clamping force at this time is the force provided by the oil cylinder, and this mode is a pressure mode; if the pitch adjusting gear 2 moves to be in contact with the thrust bearing, a certain gap is kept between the roller shafts at the moment, and the mode is a gap mode; therefore, the multi-roller machine adopting the roller shaft distance control device in the embodiment 1 can realize two working modes of a pressure mode and a gap mode, and can switch operation in real time.
The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure made in the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.
Claims (10)
1. A roll gap precision control device, comprising: the device comprises a fixed detection module, a precise limiting module and a telescopic control module, wherein the precise limiting module and the telescopic control module are connected to the fixed detection module;
accurate spacing module includes: a rotary limiting mechanism and a limiting regulation mechanism;
the rotary limiting mechanism is arranged corresponding to the upper end of the fixed detection module, the telescopic control module is arranged on the other side of the rotary limiting mechanism relative to the fixed detection module, and the upper end of the fixed detection module penetrates through the rotary limiting mechanism and is connected with the telescopic control module;
the limiting regulation and control mechanism is connected to one side of the fixed detection module and corresponds to the position of the rotary limiting mechanism, and one end of the limiting regulation and control mechanism is linked with the rotary limiting mechanism;
the limit regulating and controlling mechanism is used for controlling the displacement of the rotary limit mechanism on the fixed detection module; the rotary limiting mechanism is used for limiting the installation distance of the telescopic control module.
2. The roll gap fine control device according to claim 1, wherein:
the fixed module that detects includes: the device comprises a first mounting part (10), a precision screw (402) and a detection assembly arranged on the first mounting part (10);
the first mounting piece (10) is vertically arranged, and a first mounting hole position (14) is formed in the bottom of the first mounting piece (10);
the detection assembly is arranged on the side wall of the first mounting part (10);
the precision screw (402) is vertically arranged on the upper surface of the first mounting part (10).
3. The roll gap fine control device according to claim 2, wherein:
the flexible control module group includes: a telescopic unit (4) and a buffer unit (13);
the telescopic unit (4) is arranged at the top of the precision screw rod (402) along the length direction of the precision screw rod (402), the telescopic end of the telescopic unit (4) is connected with the upper end of the precision screw rod (402), and a distance is reserved between the telescopic end of the telescopic unit (4) and the first installation part (10);
buffer unit (13) encircle flexible end setting is in flexible unit (4) orientation the one side of first installed part (10), the top of flexible unit (4) sets up second installation hole site (1).
4. The roll gap fine control device according to claim 3, wherein:
rotatory stop gear includes: a precision nut (401) and a pitch adjusting gear (2);
the precision nut (401) is sleeved on the precision screw rod (402) in a threaded manner;
roll adjustment gear (2) transmission cover is located be close to on precision nut (401) the one end of flexible unit (4), roll adjustment gear (2) orientation be provided with on the one side of flexible unit (4) with annular contact (12) that buffer unit (13) correspond.
5. The roll gap fine control device according to claim 4, wherein:
spacing regulation and control mechanism includes: a rotation control unit and a transmission gear (6);
the rotation control unit is arranged on one side of the first installation part (10) in parallel to the precise screw (402) and avoids the position of the detection assembly, and the rotation output end of the rotation control unit is arranged corresponding to the distance adjusting gear (2);
the transmission gear (6) is sleeved on the rotating output end, the transmission gear (6) is movably meshed with the distance adjusting gear (2), and the thickness of the distance adjusting gear (2) is larger than that of the transmission gear (6).
6. The roll gap fine control device according to claim 3, wherein:
the telescopic unit (4) comprises: the piston rod of the oil cylinder is the telescopic end;
the buffer unit (13) includes: the bottom of the oil cylinder is provided with an annular groove surrounding the piston rod, the thrust bearing is matched with the annular groove, and the thrust bearing is arranged in the annular groove.
7. The roll gap fine control device according to claim 5, wherein:
the rotation control unit includes: a stepping motor (11) and a motor reducer (9);
the stepping motor (11) is connected with the side wall of one side of the first mounting part (10) through a motor connecting seat, an output shaft of the stepping motor (11) is the rotary output end, and the output shaft is arranged in parallel to the precision screw (402);
a distance is arranged between the transmission gear (6) and the stepping motor (11), and the motor reducer (9) is in transmission connection with an output shaft between the stepping motor (11) and the transmission gear (6).
8. The roll gap fine control device according to claim 3, wherein:
a vertically arranged displacement detection plate (3) is connected to one side of the telescopic unit (4) corresponding to the position of the detection assembly;
the detection assembly comprises: a sensor (8) mounting plate (5), a proximity switch (7) and a sensor (8);
the sensor (8) mounting plate (5) is horizontally connected to the side wall of the first mounting part (10);
the proximity switch (7) is vertically arranged on the upper surface of the sensor (8) mounting plate (5), and a distance is arranged between the proximity switch (7) and the telescopic unit (4);
the sensor (8) is vertically arranged at a position where the upper surface of the sensor (8) mounting plate (5) is close to the proximity switch (7), the sensor (8) and the displacement detection plate (3) are correspondingly arranged, and a sensing probe of the sensor (8) is contacted with the bottom of the displacement detection plate (3).
9. A multi-roll grinding machine comprising the roll shaft pitch precision control device according to any one of claims 1 to 8;
the multi-roll grinder further comprises: the device comprises a frame (15) and a plurality of roller shaft modules arranged on the frame (15); and the roll shaft modules are connected with each other through the roll shaft spacing precision control device.
10. A multi-roll grinding mill according to claim 9, characterized in that:
a plurality of the roller module includes: a reference roller module (16) and a movable roller module (17);
the reference roller module (16) is fixedly connected to the rack (15), and the movable roller module (17) is movably connected to the rack (15) and is close to the reference roller module (16);
the movable roller module (17) is connected with a first connecting piece between the machine frame (15) through the roller shaft spacing precision control device and the reference roller module (16) is connected with a second connecting piece between the machine frame (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222573282.7U CN218637488U (en) | 2022-09-28 | 2022-09-28 | Roll shaft spacing precision control device and multi-roll grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222573282.7U CN218637488U (en) | 2022-09-28 | 2022-09-28 | Roll shaft spacing precision control device and multi-roll grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218637488U true CN218637488U (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222573282.7U Active CN218637488U (en) | 2022-09-28 | 2022-09-28 | Roll shaft spacing precision control device and multi-roll grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218637488U (en) |
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