New type of elastic body and detection mechanism for cylinder of high pressure roller mill

Abstract

The application discloses a novel elastic body of a high-pressure roller mill oil cylinder and a detection mechanism and relates to the technical field of high-pressure roller mills; the novel elastic body comprises a column and a circular table face, the side of the column opposite to the circular table face is 758 mm, the diameter of the end of the circular table face is 645 mm, and the taper of the circular table face is 37 degrees; wherein the thickness of the column is 25 mm, the thickness of the circular table face is 35 mm, and the material is nylon. The application solves the technical problem that the elastic body is displaced out of the oil cylinder during use due to the fact that the width of the elastic body is less than that of the oil cylinder, thereby leading to the unbalanced stress on the two sides of the movable roller of the high-pressure roller mill.

Description

TECHNICAL FIELD

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

[0002] A high-pressure roller mill adjusts the displacement of a dynamic roller side through two main oil cylinders, so as to change the size of the extrusion force of the two sides of the roller in operation. The elastic body of the oil cylinder serves as a buffer for transmitting the force of the oil cylinder piston rod, and uniformly transmits the force on the piston cylinder to the inner wall of the dynamic roller oil cylinder. The existing elastic body of the oil cylinder of the high-pressure roller mill is a cylindrical structure with a width of 600 mm and a thickness of 60 mm, and the material is mainly polyurethane. The oil cylinder has a width of 760 mm, a stroke of 60 mm and a piston rod width of 650 mm. In the use process, the piston rod extrudes the elastic body, the elastic body plastically deforms, and the width of the elastic body is smaller than that of the oil cylinder, so that the elastic body is displaced and falls out of the oil cylinder in the use process, thereby causing the force imbalance of the two sides of the dynamic roller of the high-pressure roller mill, the roller gap difference cannot be adjusted, and the roller grinding efficiency of the high-pressure roller mill is affected. Further, the high-pressure roller mill needs to detect multiple positions,

[0003] The detection of the dynamic roller of the high-pressure roller mill involves multiple key positions and indexes to ensure the normal operation of the equipment and prolong the service life. The following are the main positions and indexes that need to be detected. For example, the degree of roller surface wear; bearing temperature; hydraulic system pressure; displacement deviation; vibration and noise; and currently there is a lack of an integrated detection device or structure for the corresponding dynamic roller base position, vibration and bearing.

[0004] Therefore, the novel elastic body of the high-pressure roller mill oil cylinder and the detection mechanism are provided to solve the above problems. SUMMARY

[0005] The purpose of the application is to overcome the technical problems that the width of the elastic body is smaller than that of the oil cylinder, causing the elastic body to be displaced and fall out of the oil cylinder in the use process, thereby causing the force imbalance of the two sides of the dynamic roller of the high-pressure roller mill, by providing the novel elastic body of the high-pressure roller mill oil cylinder and the detection mechanism.

[0006] To solve the above technical problems, the application provides the following technical scheme:

[0007] The novel elastic body of the high-pressure roller mill oil cylinder comprises a cylinder and a circular table face, the width of the cylinder opposite to the circular table face is 758 mm, the diameter of the end of the circular table face is 645 mm, and the circular table taper is 37°; the thickness of the cylinder is 25 mm, the thickness of the circular table face is 35 mm, and the material is nylon.

[0008] In a further technical solution, the machine body and the oil cylinder are included, the piston is installed in the cylinder body of the oil cylinder, the cylinder body extends from the end of the piston, and the elastic body of claim 1 is installed; the circular truncated cone of the elastic body faces the cylinder body of the oil cylinder; the end of the piston is connected with the connecting end, and the connecting end is connected with the side of the elastic body opposite to the piston;

[0009] The installation groove is formed in the machine body, the fixed roller base and the movable roller base are installed at both ends of the installation groove, the fixed roller is installed in the fixed roller base, and the movable roller is installed in the movable roller base.

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

[0011] The detection mechanism is also installed in the installation groove, the detection mechanism includes the directional horizontal plate and the arc-shaped plate, the arc-shaped plate is installed on the outer side of the oil cylinder, and the directional horizontal plate extends to the end of the movable roller.

[0012] The detection piece one is installed on the arc-shaped plate, and is suitable for detecting the position of the movable roller base.

[0013] The detection piece two is installed on the directional horizontal plate, and is suitable for detecting the temperature of the connecting bearing of the movable roller base.

[0014] In a further technical solution, the detection piece one includes the position plate and the fixed plate.

[0015] The end of the piston is connected with the position plate, and is attached to the outside of the elastic body.

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

[0017] The fixed plate is installed at the bottom of the position plate, the sliding groove is arranged on the fixed plate, the connecting part is arranged at the bottom of the position plate and slides in the sliding groove; the 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; and the end of the fixed plate is fixedly connected with the arc-shaped plate.

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

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

[0020] In a further technical solution, the detection member two comprises a connecting plate, the bottom of the connecting plate is provided with a protective shell, and an annular shell is arranged in the protective shell; the annular shell is sleeved on the roller shaft of the movable roller, and a positioning cylinder is arranged in the annular shell, and a temperature sensor is arranged in the positioning cylinder, and the detection end of the temperature sensor is adapted to correspond to the connecting bearing of the movable roller base.

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

[0022] The top of the connecting plate is fixed 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 arranged in the protective shell, a rotating gear is arranged on the output end of the driving motor, a transmission gear is engaged between the rotating gear and the tooth shape, and the driving motor is adapted to drive the annular shell to rotate;

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

[0025] The elastic body is widened to ensure better adhesion to the end face of the oil cylinder during installation and operation, and reduce the displacement amount. The elastic body is changed into a circular truncated cone shape, and when the piston rod is extruded during operation, the force can be better transmitted to the end face of the oil cylinder through the end face of the circular truncated cone. The original main polyurethane material is replaced by a nylon material, which improves the strength of the elastic body and reduces plastic deformation, and solves the problem of blocking the oil cylinder due to deformation of the elastic body during operation.

[0026] The vibration sensor is connected to the movable roller base to detect the vibration amplitude of the movable roller base, the lateral displacement sensor is used to detect the displacement of the movable roller base, and the multiple temperature sensors arranged in the protective shell on the top are used to realize the integrated effect of vibration, displacement and bearing temperature detection of the movable roller base, and realize the synchronous detection effect.

[0027] The position plate is installed to advance with the piston action, so as to detect the vibration amplitude of the movable roller base when the oil cylinder abuts against the transmission movable roller base, and continuously monitor the distance between the movable roller and the fixed roller; the displacement sensor is used to monitor the displacement of the movable roller base from the strip-shaped groove; the temperature sensor arranged on the top is sleeved on the movable roller with the protective air conditioner, and continuously detects the bearing temperature of the movable roller base. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1Schematic diagram of the elastomer mounting structure of the present application;

[0029] Figure 2 Schematic diagram of the front view of the elastomer of the present application;

[0030] Figure 3 Schematic diagram of the side view of the elastomer of the present application;

[0031] Figure 4 Schematic diagram of the front view of the high-pressure roller mill of the present application;

[0032] Figure 5 Schematic diagram of the front view of the high-pressure roller mill of the present application; Figure 4

[0033] Schematic diagram of the front view of the high-pressure roller mill of the present application; Figure 6

[0034] Schematic diagram of the front view of the high-pressure roller mill of the present application; Figure 7 Figure 6 Schematic diagram of the front view of the high-pressure roller mill of the present application;

[0035] Figure 8 Schematic diagram of the front view of the high-pressure roller mill of the present application;

[0036] Figure 9 Schematic diagram of the front view of the high-pressure roller mill of the present application;

[0037] Figure 10 Schematic diagram of the front view of the high-pressure roller mill of the present application;

[0038] Schematic diagram of the front view of the high-pressure roller mill of the present application;

[0039] 1, cylinder; 2, round table; 3, machine body; 4, oil cylinder; 5, piston; 6, connecting end; 7, fixed roller base; 8, movable roller base; 9, movable roller; 10, connecting bearing; 11, directional cross plate; 12, arc plate; 13, position plate; 14, fixed plate; 15, vibration sensor; 16, sliding groove; 17, displacement sensor; 18, strip-shaped 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 technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0041] Embodiment 1​

[0042] Referring to Figures 1-3 The application provides a technical scheme, a new type of elastic body of a high-pressure roller mill oil cylinder, which comprises a column body 1 and a circular table surface 2, the side of the column body 1 away from the circular table surface 2 is 758 mm, the diameter of the end of the circular table surface 2 is 645 mm, and the circular table taper is 37°; wherein the thickness of the column body 1 is 25 mm, and the thickness of the circular table surface 2 is 35 mm; and the material is nylon.

[0043] The application can guarantee that the elastic body better fits the oil cylinder end face during installation and operation, and reduces the displacement amount. The elastic body is changed into a circular table shape, so that, during operation, the force can be better transmitted to the oil cylinder end face through the circular table end face when the piston rod is extruded. The original main polyurethane material is replaced by a nylon material, the strength of the elastic body is improved, plastic deformation is reduced, and the situation that the oil cylinder is blocked due to deformation of the elastic body during operation is solved.

[0044] As Figure 1 shown, when the high-pressure roller mill oil cylinder piston rod is working, the piston rod acts on the elastic body, and the force of the piston rod is transmitted to the oil cylinder wall through the elastic body, so as to drive the whole moving roller base on the right to move; when the oil cylinder rodless cavity is supplied with oil, the piston rod moves forward to extrude the elastic body; when the material passes through the roller, the oil cylinder extrudes the piston rod through the elastic body, and the oil in the oil cylinder rodless cavity is returned.

[0045] As Figure 2 and 3 shown, the elastic body is a combined structure of a circular table and a circular column, the right end face is 758 mm wide, the left end face is 645 mm wide, the circular table taper is 37°, the circular table thickness is 35 mm, the circular column thickness is 25 mm, the total thickness is 60 mm, and the main material is nylon; because the oil cylinder end face is 760 mm wide, the elastic body can be well stabilized on the oil cylinder end face during installation, so that relative sliding during installation is avoided, and butter or glue does not need to be applied on the back; the elastic body is not prone to plastic deformation due to the material, and the combined structure of the circular table and the circular column can well transmit the extrusion force, so that stable operation in the oil cylinder can be ensured. Other elastic body parameters, such as pressure bearing range <4200 KN and weight not higher than 43.5 kg.

[0046] Example 2

[0047] As Figures 4-9 shown, it is another embodiment of the application, based on example 1, comprising a machine body 3 and an oil cylinder 4, the oil cylinder 4 is provided with a piston 5 installed in the cylinder body, the piston 5 extends out of the cylinder body at the end, and the elastic body described in example 1 is installed; and the circular table surface 2 of the elastic body faces the cylinder body of the oil cylinder 4; the end of the piston 5 is provided with a connecting end head 6 connected with the side of the elastic body away from the piston 5.

[0048] As Figure 4 shown, a mounting groove is formed in the body 3, and a fixed roller base 7 and a movable roller base 8 are mounted at both ends of the mounting groove, a fixed roller is mounted in the fixed roller base 7, a movable roller 9 is mounted in the movable roller base 8, an end of the piston 5 is connected with the movable roller base 8 and is adapted to push the movable roller base 8 to move transversely towards or away from the fixed roller base 7 in the mounting groove, the movable roller 9 is mounted in the movable roller base 8, and a connecting bearing 10 is mounted in the movable roller base 8 and is connected with the movable roller 9.

[0049] A detection mechanism is also mounted in the mounting groove, which comprises a directional transverse plate 11 and an arc-shaped plate 12, the arc-shaped plate 12 is mounted on the outside of the oil cylinder 4, and the directional transverse plate 11 extends to the end of the movable roller 9.

[0050] A detection piece one is mounted on the arc-shaped plate 12 and is adapted to detect the position of the movable roller base 8.

[0051] A detection piece two is mounted on the directional transverse plate 11 and is adapted to detect the temperature of the connecting bearing 10 of the movable roller base 8.

[0052] As Figures 5-7 shown, the detection piece one comprises a position plate 13 and a fixed plate 14, an end of the piston 5 is connected with the position plate 13 and is attached to the outside of the elastic body, a vibration sensor 15 is mounted on the position plate 13, and the detection end of the vibration sensor 15 is adapted to be connected to the movable roller base 8.

[0053] The bottom of the position plate 13 is provided with the fixed plate 14, the fixed plate 14 is provided with a sliding groove 16, the bottom of the position plate 13 is provided with a connecting part and slides in the sliding groove 16, a displacement sensor 17 is mounted on the fixed plate 14, and the detection end of the displacement sensor 17 is adapted to correspond to the movable roller base 8, an end of the fixed plate 14 is fixedly connected with the arc-shaped plate 12, guide strips are arranged on both sides of the position plate, guide grooves are formed in the sliding groove, the guide strips are adapted to the guide grooves and achieve sliding effect, and the guide strips and the guide grooves are connected to limit the position plate.

[0054] A strip-shaped groove 18 is formed in the position plate 13, and the horizontal horizontal line of the detection position of the displacement sensor 17 is adapted to pass through the strip-shaped groove 18, a transition plate 19 is arranged between the directional transverse plate 11 and the arc-shaped plate 12, and the transverse length of the fixed plate 14 is less than the transverse length of the cylinder body of the oil cylinder 4.

[0055] As Figure 8As shown, the second detection member comprises a connecting plate 20, the bottom of the connecting plate 20 is provided with a protective shell 21, and an annular shell 22 is arranged in the protective shell 21; the annular shell 22 is sleeved on the roller shaft of the dynamic roller 9, and a positioning cylinder 23 is arranged in the annular shell 22, and a temperature sensor 24 is arranged in the positioning cylinder 23, and the detection end of the temperature sensor 24 is adapted to correspond to the connecting bearing 10 on the dynamic roller base 8.

[0056] The annular shell 22 comprises an upper shell 25 and a lower shell 26, the upper shell 25 and the lower shell 26 are adapted to be separately arranged, and are fixed in the protective shell 21 by bolts; the top of the connecting plate 20 is fixed on the directional transverse plate 11 by bolts. In this embodiment, the vibration sensor is connected to the dynamic roller base to detect the vibration amplitude of the dynamic roller base, the lateral displacement sensor is used to detect the displacement of the dynamic roller base, and the multiple temperature sensors arranged in the protective shell at the top are used to realize the integrated effect of vibration, displacement and bearing temperature detection of the dynamic roller base.

[0057] Embodiment 3

[0058] As shown in Figs. Figures 4-7 As shown in Figs. 7 and 8, another embodiment of the present application is based on the embodiment 2, the outer side of the annular shell 22 is provided with a tooth shape 27, and a driving motor 29 is arranged in the protective shell 21, a rotating gear 28 is arranged at the output end of the driving motor 29, and the rotating gear 28 is engaged with the tooth shape 27.

[0059] A position bearing 30 is arranged between the annular shell 22 and the corresponding position of the roller shaft of the dynamic roller 9, the inner ring of the position bearing 30 is fixedly connected with the dynamic roller 9, and the outer ring is fixedly connected with the annular shell 22; the driving motor 29 is a stepping motor.

[0060] It is obvious for those skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

[0061] In addition, it should be understood that although the present specification is described in terms of embodiments, each embodiment does not contain only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments which can be understood by those skilled in the art.

Claims

1. A high-pressure roller mill detection mechanism, characterized by, The utility model provides a kind of hydraulic cylinder, including body (3) and oil cylinder (4), piston (5) is installed in the cylinder body of oil cylinder (4), and piston (5) end extends out cylinder body, and is installed with elastomer, and elastomer includes cylinder (1) and circular platform (2), the side of cylinder (1) opposite circular platform (2) is 758mm, the end diameter of circular platform (2) is 645mm, and circular platform taper is 37 °;Wherein cylinder (1) thickness is 25mm, and the thickness of circular platform (2) is 35mm;Material is nylon; The circular platform (2) of elastomer is towards the cylinder body of oil cylinder (4);The end of piston (5) is installed with connecting end head (6), and connecting end head (6) is connected with the side of elastomer opposite piston (5); Mounting groove is set in body (3), and fixed roller base (7) and movable roller base (8) are installed at the both ends of mounting groove, and fixed roller is installed in fixed roller base (7);Movable roller (9) is installed in movable roller base (8). The end of piston (5) is connected with movable roller base (8), and movable roller base (8) is moved in mounting groove transversely towards or away from fixed roller base (7), movable roller (9) is installed in movable roller base (8), and connecting bearing (10) is installed in movable roller base (8) and is connected with movable roller (9); Detection mechanism is also installed in mounting groove, and the detection mechanism includes directional transverse plate (11) and arc plate (12), arc plate (12) is installed on the outside of oil cylinder (4), and directional transverse plate (11) extends to the end of movable roller (9); Detection piece one is installed on arc plate (12), and detection piece one detects the position of movable roller base (8); Detection piece two is installed on directional transverse plate (11), and detection piece two detects the temperature of connecting bearing (10) of movable roller base (8); The detection piece one includes position plate (13) and fixed plate (14); The end of piston (5) is connected with position plate (13), and is attached outside elastomer; Vibration sensor (15) is installed on position plate (13), and the detection end of vibration sensor (15) is connected on movable roller base (8); Fixed plate (14) is installed on the bottom of position plate (13), and slide groove (16) is arranged on fixed plate (14), and the bottom of position plate (13) is provided with connecting part and slides in slide groove (16);And displacement sensor (17) is installed on fixed plate (14), and the detection end of displacement sensor (17) corresponds movable roller base (8);The end of fixed plate (14) is fixedly connected with arc plate (12).

2. The high pressure roller mill detection mechanism according to claim 1, characterized in that, Strip-shaped groove (18) is set in position plate (13), and the horizontal horizontal line of the detection position of displacement sensor (17) passes through strip-shaped groove (18).

3. The high pressure roller mill detection mechanism according to claim 2, characterized in that, Transition plate (19) is arranged between directional transverse plate (11) and arc plate (12), and the transverse length of fixed plate (14) is less than the transverse length of the cylinder body of oil cylinder (4).

4. The high pressure roller mill detection mechanism according to claim 3, characterized in that, The detecting piece two 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 roller shaft of the movable roller (9), a positioning cylinder (23) is installed in the annular shell (22), a temperature sensor (24) is installed in the positioning cylinder (23), and the detecting end of the temperature sensor (24) corresponds to the connecting bearing (10) of the movable roller base (8).

5. The high pressure roller mill detection mechanism according to claim 4, characterized in that, The annular shell (22) comprises an upper shell (25) and a lower shell (26), the upper shell (25) and the lower shell (26) are separately arranged and fixed in the protective shell (21) by bolts; The top of the connecting plate (20) is fixedly installed on the directional cross plate (11) by bolts.

6. The high pressure roller mill detection mechanism of claim 5, wherein, The outer side of the annular shell (22) is provided with a tooth shape (27), 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), a transmission gear is engaged between the rotating gear (28) and the tooth shape (27), and the driving motor (29) drives the annular shell (22) to rotate; 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 with the movable roller (9), and the outer ring is fixedly connected with the annular shell (22); The driving motor (29) is a stepping motor.

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