Novel elastomer of oil cylinder of high-pressure roller mill and detection mechanism

Abstract

The invention discloses a novel elastomer of an oil cylinder of a high-pressure roller mill and a detection mechanism, and relates to the technical field of high-pressure roller mills. Comprising a column body and a circular truncated cone face, the side, back to the circular truncated cone face, of the column body is 758 mm, the diameter of the end of the circular truncated cone face is 645 mm, and the taper of the circular truncated cone face is 37 degrees. Wherein the thickness of the column body is 25mm, and the thickness of the circular truncated cone surface is 35mm; and the material is nylon. The technical problem that two sides of a movable roller of a high-pressure roller mill are unbalanced in stress due to the fact that the elastic body displaces and falls out of an oil cylinder in the using process because the width of the elastic body is smaller than that of the oil cylinder is solved.

Description

Technical Field

[0001] The invention relates to the technical field of high-pressure roller mills, in particular to a novel elastic body and a detection mechanism of a high-pressure roller mill oil cylinder. Background Art

[0002] The high-pressure roller mill uses two main oil cylinders to adjust the displacement of the movable roller side, thereby changing the size of the extrusion force on both sides of the roller during its operation. The cylinder elastomer acts as a buffer for the force transmitted by the cylinder piston rod, and evenly transmits the force on the piston cylinder to the inner wall of the movable roller cylinder. The existing high-pressure roller mill cylinder elastomer is a cylindrical structure with a width of 600mm and a thickness of 60mm, and the material is mainly polyurethane; the cylinder is 760mm wide, the stroke is 60mm, and the piston rod is 650mm wide. During use, the piston rod squeezes the elastomer, the elastomer undergoes plastic deformation, and the width of the elastomer is smaller than the cylinder, causing the elastomer to shift and fall out of the cylinder during use, resulting in unbalanced force on both sides of the movable roller of the high-pressure roller mill, and the roller gap difference cannot be adjusted, affecting the roller grinding efficiency of the high-pressure roller mill. Furthermore, the current high-pressure roller mill needs to detect multiple positions,

[0003] The inspection of the moving roller of the high-pressure roller mill involves multiple key parts and indicators to ensure the normal operation of the equipment and extend its service life. The following are the main parts and indicators that need to be inspected. For example, the degree of roller surface wear; bearing temperature; hydraulic system pressure; displacement deviation; vibration and noise; there is currently a lack of integrated inspection equipment or structure that connects the position, vibration, and bearing of the corresponding moving roller base.

[0004] Therefore, we provide a new type of elastomer and detection mechanism for the high pressure roller grinding cylinder to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to make up for the shortcomings of the prior art and provide a new type of elastomer and detection mechanism for the high-pressure roller mill cylinder to overcome the technical problem that the width of the elastomer is smaller than the cylinder, causing the elastomer to be displaced and fall out of the cylinder during use, thereby causing unbalanced force on both sides of the moving roller of the high-pressure roller mill.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] A new type of elastic body for the high-pressure roller grinding cylinder includes a cylinder and a frustum, wherein the side of the cylinder facing away from the frustum is 758 mm, the end diameter of the frustum is 645 mm, and the frustum taper is 37°; wherein the thickness of the cylinder is 25 mm, and the thickness of the frustum is 35 mm; and the material is nylon.

[0008] In a further technical solution, a machine body and a cylinder are included, a piston is installed in the cylinder body of the cylinder, and the cylinder body is extended from the end of the piston and the elastic body according to claim 1 is installed; and the round table surface of the elastic body faces the cylinder body; a connecting end is installed at the end of the piston, and the connecting end is connected to the side of the elastic body facing away from the piston;

[0009] An installation groove is provided in the machine body, and a fixed roller base and a movable roller base are installed at both ends of the installation groove, and a fixed roller is installed in the fixed roller base; and a movable roller is installed in the movable roller base;

[0010] The end of the piston is connected to the movable roller base and is suitable for pushing the movable roller base to move laterally toward or away from the fixed roller base in the installation groove. The movable roller is installed in the movable roller base, and a connecting bearing is installed in the movable roller base and connected to the movable roller;

[0011] A detection mechanism is also installed in the installation groove, and the detection mechanism includes a directional transverse plate and an arc plate, the arc plate is installed on the outside of the oil cylinder, and the directional transverse plate extends to the end of the movable roller;

[0012] The arc-shaped plate is provided with a detection member 1, which is suitable for detecting the position of the movable roller base;

[0013] The directional transverse plate is provided with a second detection member, which is suitable for detecting the temperature of the connection bearing of the movable roller base.

[0014] In a further technical solution, the detection member 1 includes a position plate and a fixing plate;

[0015] The piston end is connected to the position plate and fits outside the elastic body;

[0016] A vibration sensor is installed on the position plate, and a detection end of the vibration sensor is suitable for being connected to the movable roller base;

[0017] A fixed plate is installed at the bottom of the position plate, a slide groove is arranged on the fixed plate, and a connecting portion is arranged at the bottom of the position plate and slides in the slide groove; a displacement sensor is installed on the fixed plate, and the detection end of the displacement sensor is suitable for corresponding to the movable roller base; the end of the fixed plate is fixedly connected to the arc plate;

[0018] In a further technical solution, a strip-shaped groove is provided on the position plate, and a horizontal line of the detection position of the displacement sensor is suitable for passing through the strip-shaped groove.

[0019] In a further technical solution, a transition plate is provided between the directional transverse plate and the arc-shaped plate, and the transverse length of the fixed plate is smaller than the transverse length of the cylinder body.

[0020] In a further technical solution, the second detection component includes a connecting plate, a protective shell is installed at the bottom of the connecting plate, and an annular shell is installed inside the protective shell; the annular shell is sleeved on the outside of the movable roller shaft, and a positioning cylinder is installed inside the annular shell, and a temperature sensor is installed inside the positioning cylinder, and the detection end of the temperature sensor is suitable for corresponding to the connecting bearing of the movable roller base.

[0021] In a further technical solution, the annular shell includes an upper shell and a lower shell, and the upper shell and the lower shell are adapted to be detachably arranged and fixed in the protective shell by installing bolts;

[0022] The top of the connecting plate is fixedly mounted on the directional transverse plate by bolts.

[0023] In a further technical solution, the outer side of the annular shell is provided with a tooth shape, and a driving motor is installed in the protective shell, a rotating gear is installed at the output end of the driving motor, a transmission gear is meshed between the rotating gear and the tooth shape, and the driving motor is suitable for driving the annular shell to rotate;

[0024] A position bearing is installed between the annular shell and the corresponding movable roller shaft, the inner ring of the position bearing is fixedly connected to the movable roller, and the outer ring is fixedly connected to the annular shell; the driving motor is a stepping motor, which has the following beneficial effects compared with the prior art:

[0025] The invention widens the elastic body to ensure that it better fits the end face of the oil cylinder during installation and operation, reducing its displacement. The elastic body is changed into a truncated cone shape, and during operation, when the piston rod is squeezed, the force can be better transmitted to the end face of the oil cylinder through the truncated cone end face. The original main polyurethane material is replaced with nylon material, which improves the strength of the elastomer, reduces plastic deformation, and solves the problem of clogging the oil cylinder due to deformation of the elastomer during operation.

[0026] The present invention realizes an integrated effect of vibration, displacement and bearing temperature detection of the moving roller base and a synchronous detection effect by connecting a vibration sensor to the moving roller base to detect the vibration amplitude of the moving roller base, and detecting the displacement of the moving roller base through a displacement sensor installed laterally, and installing multiple groups of temperature sensors in a protective shell arranged on the top.

[0027] The present invention advances with the action of the piston by installing a position plate, thereby realizing detection of the vibration amplitude of the driving movable roller base when the oil cylinder abuts against the movable roller base, and continuous monitoring when the movable roller and the fixed roller are at a fixed distance; the displacement of the movable roller base is monitored through the strip groove by a displacement sensor; the temperature sensor installed on the top is connected to the movable roller with the protective air conditioner sleeve to continuously detect the bearing temperature of the movable roller base. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1It is a schematic diagram of the elastic body installation structure of the present invention;

[0029] Figure 2 It is a schematic front view of the elastic body of the present invention;

[0030] Figure 3 It is a schematic side view of the elastic body of the present invention;

[0031] Figure 4 It is a front schematic diagram of the high pressure roller grinding machine of the present invention;

[0032] Figure 5 for Figure 4 A magnified view of part A;

[0033] Figure 6 It is a schematic diagram of the structure of the detection mechanism of the present invention;

[0034] Figure 7 for Figure 6 A magnified view of point B;

[0035] Figure 8 This is a schematic diagram of the interior of the protective housing according to Embodiment 1 of the present invention;

[0036] Fig. 9 It is a side view schematic diagram of the protective shell connected to the movable roller of the present invention;

[0037] Fig.10 Schematic diagram of the interior of the protective housing of Example 2 of the present invention.

[0038] In the figure:

[0039] 1. Cylinder; 2. Conical table; 3. Machine body; 4. Cylinder; 5. Piston; 6. Connecting end; 7. Fixed roller base; 8. Moving roller base; 9. Moving roller; 10. Connecting bearing; 11. Orienting cross plate; 12. Arc plate; 13. Position plate; 14. Fixed plate; 15. Vibration sensor; 16. Slide; 17. Displacement sensor; 18. Strip groove; 19. Transition plate; 20. Connecting plate; 21. Protective shell; 22. Annular shell; 23. Positioning cylinder; 24. Temperature sensor; 25. Upper shell; 26. Lower shell; 27. Tooth shape; 28. Rotating gear; 29. ​​Driving motor; 30. Position bearing. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] Example 1

[0042] See also Figure 1-3 The present invention provides a technical solution, a new type of elastic body for a high pressure roller grinding cylinder, comprising a cylinder 1 and a frustum 2, wherein the side of the cylinder 1 facing away from the frustum 2 is 758 mm, the end diameter of the frustum 2 is 645 mm, and the frustum taper is 37°; wherein the thickness of the cylinder 1 is 25 mm, and the thickness of the frustum 2 is 35 mm; and the material is nylon.

[0043] The invention widens the elastic body to ensure that it better fits the end face of the oil cylinder during installation and operation, reducing its displacement. The elastic body is changed into a truncated cone shape, and during operation, when the piston rod is squeezed, the force can be better transmitted to the end face of the oil cylinder through the truncated cone end face. The original main polyurethane material is replaced with nylon material, which improves the strength of the elastomer, reduces plastic deformation, and solves the problem of clogging the oil cylinder due to deformation of the elastomer during operation.

[0044] like Figure 1 As shown, when the piston rod of the high-pressure roller grinding cylinder is working, the piston rod acts on the elastomer and transmits the force of the piston rod to the cylinder wall through the elastomer, thereby driving the entire movable roller base on the right side to move; when the rodless chamber of the cylinder is supplied with oil, the piston rod moves forward to squeeze the elastomer; when the material passes through the roller, the cylinder squeezes the piston rod through the elastomer and returns the oil in the rodless chamber of the cylinder.

[0045] like Figure 2 and 3 As shown, the elastomer is a combination of a truncated cone and a cylinder, with a right end face of 758mm wide, a left end face of 645mm wide, a truncated cone taper of 37°, a truncated cone thickness of 35mm, a cylinder thickness of 25mm, a total thickness of 60mm, and a main material of nylon; because the cylinder end face is 760mm wide, when installing the elastomer, it can be well stabilized on its cylinder end face, ensuring that it will not slide relative to each other during installation, and there is no need to apply butter or glue on the back; when the piston rod squeezes the elastomer, it is not easy to plastically deform due to the material, and the elastomer is a combination of a truncated cone and a cylinder, which can well transmit the extrusion force and ensure its stable operation in the cylinder. Other elastomer parameters such as pressure range <4200KN, weight not higher than 43.5kg.

[0046] Example 2

[0047] like Figure 4-9 As shown, another embodiment of the present invention comprises a machine body 3 and a cylinder 4 on the basis of embodiment 1, a piston 5 is installed in the cylinder body of the cylinder 4, and the cylinder body extending from the end of the piston 5 is installed with the elastic body described in embodiment 1; and the round table surface 2 of the elastic body faces the cylinder body of the cylinder 4; a connecting end 6 is installed at the end of the piston 5, and the connecting end 6 is connected to the side of the elastic body facing away from the piston 5;

[0048] like Figure 4 As shown, a mounting groove is provided in the machine body 3, and a fixed roller base 7 and a movable roller base 8 are installed at both ends of the mounting groove, and a fixed roller is installed in the fixed roller base 7; a movable roller 9 is installed in the movable roller base 8; the end of the piston 5 is connected to the movable roller base 8, and is suitable for pushing the movable roller base 8 to move laterally toward or away from the fixed roller base 7 in the mounting groove, and the movable roller 9 is installed in the movable roller base 8, and a connecting bearing 10 is installed in the movable roller base 8 and connected to the movable roller 9;

[0049] A detection mechanism is also installed in the installation groove, and the detection mechanism includes a directional transverse plate 11 and an arc plate 12. The arc plate 12 is installed on the outside of the oil cylinder 4, and the directional transverse plate 11 extends to the end of the movable roller 9;

[0050] The arc plate 12 is provided with a detection member 1, which is suitable for detecting the position of the movable roller base 8;

[0051] A second detection component is installed on the directional transverse plate 11 , and the second detection component is suitable for detecting the temperature of the connection bearing 10 of the movable roller base 8 .

[0052] like Figure 5-7 As shown, the detection member 1 includes a position plate 13 and a fixed plate 14; the end of the piston 5 is connected to the position plate 13 and is attached to the elastic body; a vibration sensor 15 is installed on the position plate 13, and the detection end of the vibration sensor 15 is suitable for connecting to the movable roller base 8;

[0053] A fixed plate 14 is installed at the bottom of the position plate 13, and a slide groove 16 is provided on the fixed plate 14. A connecting portion is provided at the bottom of the position plate 13 and slides in the slide groove 16; a displacement sensor 17 is installed on the fixed plate 14, and the detection end of the displacement sensor 17 is suitable for corresponding to the movable roller base 8; the end of the fixed plate 14 is fixedly connected to the arc plate 12; guide bars are provided on both sides of the position plate, and guide grooves are opened in the slide grooves, and the guide bars are adapted to the guide grooves and achieve a sliding effect. The guide bar and the guide groove are connected to achieve the function of limiting the position plate.

[0054] The position plate 13 is provided with a strip groove 18, and the horizontal horizontal line of the detection position of the displacement sensor 17 is suitable for passing through the strip groove 18. A transition plate 19 is provided between the directional horizontal plate 11 and the arc plate 12, and the horizontal length of the fixed plate 14 is smaller than the horizontal length of the cylinder body of the oil cylinder 4.

[0055] like Figure 8As shown, the second detection component includes a connecting plate 20, a protective shell 21 is installed at the bottom of the connecting plate 20, and an annular shell 22 is installed in the protective shell 21; the annular shell 22 is sleeved on the outside of the roller shaft of the moving roller 9, and a positioning cylinder 23 is installed in the annular shell 22, and a temperature sensor 24 is installed in the positioning cylinder 23, and the detection end of the temperature sensor 24 is suitable for corresponding to the connecting bearing 10 of the moving roller base 8.

[0056] The annular shell 22 includes an upper shell 25 and a lower shell 26, which are suitable for being detachably arranged and fixed in the protective shell 21 by installing bolts; the top of the connecting plate 20 is fixedly installed on the directional cross plate 11 by bolts. In this embodiment, a vibration sensor is connected to the movable roller base to detect the vibration amplitude of the movable roller base, and a displacement sensor installed laterally detects the displacement of the movable roller base, and multiple groups of temperature sensors are installed in the protective shell arranged at the top, so as to achieve the integrated effect of vibration, displacement and bearing temperature detection of the movable roller base.

[0057] Example 3

[0058] like Figure 4-7 As shown in FIG. 10 , another embodiment of the present invention is shown. On the basis of Example 2, a tooth shape 27 is provided on the outer side of the annular shell 22, and a driving motor 29 is installed in the protective shell 21. A rotating gear 28 is installed at the output end of the driving motor 29, and the rotating gear 28 is meshed with the tooth shape 27.

[0059] A position bearing 30 is installed between the annular shell 22 and the roller shaft of the corresponding movable roller 9. The inner ring of the position bearing 30 is fixedly connected to the movable roller 9, and the outer ring is fixedly connected to the annular shell 22. The driving motor 29 is a stepping motor.

[0060] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

[0061] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A new type of elastic body for the oil cylinder of a high pressure roller mill, characterized in that: It comprises a cylinder (1) and a frustum (2), wherein the side of the cylinder (1) facing away from the frustum (2) is 758 mm, the end diameter of the frustum (2) is 645 mm, and the frustum taper is 37°; the cylinder (1) is 25 mm thick, and the frustum (2) is 35 mm thick; and the material is nylon.

2. High pressure roller mill detection mechanism, characterized in that: It comprises a machine body (3) and an oil cylinder (4), a piston (5) is installed in the cylinder body of the oil cylinder (4), and the end of the piston (5) extends out of the cylinder body and is installed with the elastic body according to claim 1; and the round table surface (2) of the elastic body faces the cylinder body of the oil cylinder (4); the end of the piston (5) is installed with a connecting end (6), and the connecting end (6) is connected to the side of the elastic body facing away from the piston (5); An installation groove is provided in the machine body (3), and a fixed roller base (7) and a movable roller base (8) are installed at both ends of the installation groove. A fixed roller is installed in the fixed roller base (7); and a movable roller (9) is installed in the movable roller base (8); The end of the piston (5) is connected to the movable roller base (8) and is suitable for pushing the movable roller base (8) to move laterally toward or away from the fixed roller base (7) in the installation groove. The movable roller base (8) is installed with a movable roller (9). The movable roller base (8) is installed with a connecting bearing (10) and connected to the movable roller (9). A detection mechanism is also installed in the installation groove, the detection mechanism comprising a directional transverse plate (11) and an arc plate (12), the arc plate (12) is installed on the outside of the oil cylinder (4), and the directional transverse plate (11) extends to the end of the movable roller (9); A detection member 1 is installed on the arc plate (12), and the detection member 1 is suitable for detecting the position of the movable roller base (8); A second detection component is installed on the directional transverse plate (11), and the second detection component is suitable for detecting the temperature of the connecting bearing (10) of the movable roller base (8).

3. The high pressure roller mill detection mechanism according to claim 2, characterized in that: The detection member 1 comprises a position plate (13) and a fixing plate (14); The end of the piston (5) is connected to the position plate (13) and is fitted outside the elastic body; A vibration sensor (15) is installed on the position plate (13), and a detection end of the vibration sensor (15) is suitable for being connected to the movable roller base (8); A fixing plate (14) is installed at the bottom of the position plate (13), a slide groove (16) is arranged on the fixing plate (14), and a connecting portion is arranged at the bottom of the position plate (13) and slides in the slide groove (16); a displacement sensor (17) is installed on the fixing plate (14), and a detection end of the displacement sensor (17) is suitable for corresponding to the movable roller base (8); the end of the fixing plate (14) is fixedly connected to the arc plate (12).

4. The high pressure roller mill detection mechanism according to claim 2, characterized in that: The position plate (13) is provided with a strip-shaped groove (18), and the horizontal horizontal line of the detection position of the displacement sensor (17) is suitable for passing through the strip-shaped groove (18).

5. The high pressure roller mill detection mechanism according to claim 2, characterized in that: A transition plate (19) is provided between the directional transverse plate (11) and the arc-shaped plate (12), and the transverse length of the fixed plate (14) is smaller than the transverse length of the cylinder body of the oil cylinder (4).

6. The high pressure roller mill detection mechanism according to claim 3, characterized in that: The second detection component comprises a connecting plate (20), a protective shell (21) is installed at the bottom of the connecting plate (20), and an annular shell (22) is installed in the protective shell (21); the annular shell (22) is sleeved on the outside of the roller shaft of the movable roller (9), and a positioning cylinder (23) is installed in the annular shell (22), and a temperature sensor (24) is installed in the positioning cylinder (23), and the detection end of the temperature sensor (24) is suitable for corresponding to the connecting bearing (10) of the movable roller base (8).

7. The high pressure roller mill detection mechanism according to claim 6, characterized in that: The annular shell (22) comprises an upper shell (25) and a lower shell (26), wherein the upper shell (25) and the lower shell (26) are adapted to be detachably arranged and are fixed in the protective shell (21) by installing bolts; The top of the connecting plate (20) is fixedly mounted on the directional transverse plate (11) by means of bolts.

8. The high pressure roller grinding machine detection mechanism according to claim 6, characterized in that: The outer side of the annular shell (22) is provided with a tooth shape (27), and a driving motor (29) is installed in the protective shell (21), and a rotating gear (28) is installed at the output end of the driving motor (29), and a transmission gear is meshed between the rotating gear (28) and the tooth shape (27), and the driving motor (29) is suitable for driving the annular shell (22) to rotate; A position bearing (30) is installed between the annular shell (22) and the roller shaft of the movable roller (9) at the corresponding position, wherein the inner ring of the position bearing (30) is fixedly connected to the movable roller (9), and the outer ring is fixedly connected to the annular shell (22); The driving motor (29) is a stepping motor.

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