Fine crushing material double-roller machine

Abstract

The utility model belongs to the field of material crushing, and particularly relates to a fine crushing material double-roller machine which comprises a bottom plate, a crushing cavity shell is arranged on the bottom plate, a crushing movable roller and a crushing fixed roller which are oppositely distributed are arranged in the crushing cavity shell, and crushing roller bearing seats are arranged at the two ends of the crushing movable roller and the two ends of the crushing fixed roller. A magnetic suction type dustproof baffle is arranged between the crushing cavity shell and the crushing roller bearing seat, a silica gel sealing strip is arranged between the crushing cavity shell and the magnetic suction type dustproof baffle, a driving device is connected to one side of the movable crushing roller, a gear reversing box is connected to the other side of the movable crushing roller, and the gear reversing box is connected with the fixed crushing roller through a synchronous belt wheel. A plurality of sliding rails are arranged on the bottom plate; according to the utility model, through the arrangement of the pressure sensor, the pressure is visualized, the accuracy and convenience of pressure regulation are improved, a target product is easier to obtain, and through the arrangement of the magnetic suction type dustproof baffle, the leakproofness of the crushing cavity is enhanced, and the escape of dust is reduced.

Description

Technical Field

[0001] The utility model belongs to the field of material crushing, and particularly relates to a fine crushing material double roll crusher. Background Art

[0002] During the operation of a general gear double roll crusher, the extrusion pressure of the crushing rolls is not visible and the pressure cannot be accurately adjusted. After the crushing rolls are worn, the minimum gap cannot be adjusted, and it is difficult to adjust the gap between the crushing rolls. The range of replaceable crushing roll speed ratios is small, and it is difficult to replace the transmission gears. It is difficult to achieve the crushing target when crushing some high - requirement materials, and dust will escape during the crushing process, which is not only troublesome to clean, but may also be inhaled into the nose and mouth, affecting human health. Content of the Utility Model

[0003] The purpose of the utility model is to provide a fine crushing material double roll crusher to solve the problems raised in the above background art.

[0004] The purpose of the utility model is achieved by adopting the following technical solutions:

[0005] A fine crushing material double roll crusher according to the utility model includes a bottom plate. A crushing chamber housing is provided on the bottom plate. Inside the crushing chamber housing, a crushing moving roll and a crushing stationary roll are arranged oppositely. Both ends of the crushing moving roll and the crushing stationary roll are provided with crushing roll bearing seats. A magnetic dust - proof baffle is provided between the crushing chamber housing and the crushing roll bearing seats. A silica gel sealing strip is provided between the crushing chamber housing and the magnetic dust - proof baffle. One side of the crushing moving roll is connected with a driving device, and the other side of the crushing moving roll is connected with a gear reversing box. The gear reversing box and the crushing stationary roll are connected through a synchronous pulley;

[0006] Multiple slide rails are provided on the bottom plate, and each slide rail is provided with a set of sliders. Two sets of sliders are connected with the crushing roll bearing seats through bearing seat connecting plates, and one set of sliders is connected with the gear reversing box through a reversing box connecting plate;

[0007] On one side of the crushing roll bearing seats at both ends of the crushing stationary roll, an adjusting pull rod is provided. The adjusting pull rod passes through a second adjusting fixing bracket and is connected with an adjusting plate. A locking clamp block is provided on the second adjusting fixing bracket. The adjusting plate is connected with a first adjusting fixing bracket through a ball screw;

[0008] One end of each of the two slide rails provided with crushing roll bearing seats is provided with an adjusting bracket. Wheel - spoke type pressure sensors are provided on the crushing roll bearing seats at both ends of the crushing moving roll. A spring is provided between the adjusting bracket and the wheel - spoke type pressure sensor, and an adjusting bolt is provided on one side of the adjusting bracket.

[0009] By means of the above - mentioned technical solutions, the utility model has the following advantages:

[0010] (1). In the present utility model, through the setting of the pressure sensor, the pressure is made visible, improving the accuracy and convenience of pressure adjustment and making it easier to obtain the target product;

[0011] (2). In the present utility model, through the setting of the slide rail, slider and ball screw, the gap between the crushing rolls can be adjusted, reducing the wear of the crushing rolls and improving the production efficiency and quality.

[0012] (3). In the present utility model, through the setting of the magnetic adsorption type dust-proof baffle, the airtightness of the crushing chamber is enhanced, reducing the escape of dust.

[0013] Further, there is a pressure strip above the adjusting bracket and the second adjusting and fixing bracket, and two limit blocks are provided on the lower side of the pressure strip.

[0014] Advantage: The pressure strip can assist the bearing seat of the crushing roll to move along the slide rail, and the two limit blocks can play a role in limiting the bearing seat of the crushing roll.

[0015] Further, one side of the spoke type pressure sensor is provided with a sensor flange, and the other side is provided with a bearing seat connection plate.

[0016] Advantage: The sensor flange prevents the sensor from vibrating or moving during use, affecting the accuracy of the measurement result.

[0017] Further, a spring compression top block is provided on the side of the adjusting bracket away from the adjusting bolt, one end of the spring is connected to the spring compression top block, and the other end is connected to the sensor flange.

[0018] Advantage: The spring compression top block plays a role in shockproof and shock absorption.

[0019] Further, the magnetic adsorption type dust-proof baffle includes a magnetic adsorption plate, a bearing is provided at the center of the magnetic adsorption plate, and a baffle pressure strip is provided on one side of the magnetic adsorption plate.

[0020] Advantage: The baffle pressure strip is used to fix the bearing at the center of the magnetic adsorption plate to prevent it from falling off.

[0021] Further, a coupling is provided at one end of the movable crushing roll, and the coupling is connected to the gear reversing box.

[0022] Advantage: The coupling can improve the transmission efficiency and can reduce the vibration, noise and friction loss of the device.

[0023] Further, a bearing seat connection plate is provided on the lower side of the crushing roll bearing seat, a reversing box connection plate is provided on the lower side of the gear reversing box, and the bearing seat connection plate and the reversing box connection plate are respectively connected to the corresponding sliders.

[0024] Further, a tensioner is provided on the synchronous pulley.

[0025] Advantages: When the center distance between the synchronous belt pulleys changes, the tensioner expands or contracts, making the belt on the synchronous belt pulleys taut and maintaining the transmission state.

[0026] The above description is only an overview of the technical solution of the present invention. In order to understand the technical means of the present invention more clearly, it can be implemented according to the content of the description. And in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable, the following specific preferred embodiments are given, and in conjunction with the attached drawings, the details are described as follows. Description of the Drawings

[0027] Figure 1 It is a schematic structural diagram of a fine crushing material pair-roller machine of the present invention.

[0028] Figure 2 It is a schematic structural diagram of a spoke-type pressure sensor in a fine crushing material pair-roller machine of the present invention.

[0029] Figure 3 It is a schematic structural diagram of a magnetic adsorption type dust-proof baffle in a fine crushing material pair-roller machine of the present invention.

[0030] Figure 4 It is a schematic structural diagram of a pressing strip in a fine crushing material pair-roller machine of the present invention.

[0031] Figure 5 It is a schematic structural diagram of a slide rail in a fine crushing material pair-roller machine of the present invention.

[0032] Figure 6 It is a schematic structural diagram of a crushing roller bearing seat in a fine crushing material pair-roller machine of the present invention.

[0033] Figure 7 It is a schematic structural diagram of a gear reversing box in a fine crushing material pair-roller machine of the present invention.

[0034]

Reference Signs

[0035] 1, bottom plate; 2, driving device; 3, crushing moving roller; 4, crushing fixed roller; 5, crushing chamber housing; 6, ball screw; 7, first adjusting and fixing bracket; 8, adjusting plate; 9, locking clamp block; 10, adjusting pull rod; 11, magnetic adsorption type dust-proof baffle; 12, crushing roller bearing seat; 13, second adjusting and fixing bracket; 14, gear reversing box; 15, coupling; 16, synchronous belt pulley; 17, reversing box connecting plate; 18, slider; 19, slide rail; 20, bearing seat connecting plate; 21, spoke-type pressure sensor; 22, spring; 23, limit block; 24, pressing strip; 25, adjusting bracket; 26, adjusting bolt; 101, magnetic adsorption plate; 102, baffle pressing strip; 103, sensor flange; 104, spring compression top block; 105, bearing seat connecting disk. Detailed implementation manners

[0036] The features and exemplary embodiments of various aspects of the present utility model will be described in detail below. In the following detailed description, many specific details are set forth in order to provide a comprehensive understanding of the present utility model. However, it will be apparent to those skilled in the art that the present utility model can be practiced without some of these specific details. The following description of the embodiments is only intended to provide a better understanding of the present utility model by showing examples of the present utility model. In the drawings and the following description, at least some of the well-known and prior art are not shown in order to avoid unnecessarily obscuring the present utility model; and, for clarity, the dimensions and shapes of some parts may be exaggerated. The features or characteristics described hereinafter can be combined in one or more embodiments in any suitable manner. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or quantity.

[0037] The present utility model provides a pair of roll crushers for finely crushing materials as shown in Figure 1-7 Figure, which includes a bottom plate 1. A crushing chamber housing 5 is provided on the bottom plate 1. A crushing moving roll 3 and a crushing fixed roll 4 are arranged oppositely in the crushing chamber housing 5. Crushing roll bearing seats 12 are provided at both ends of the crushing moving roll 3 and the crushing fixed roll 4. A magnetic dust-proof baffle 11 is provided between the crushing chamber housing 5 and the crushing roll bearing seats 12. A silica gel sealing strip is provided between the crushing chamber housing 5 and the magnetic dust-proof baffle 11. Further, the magnetic dust-proof baffle 11 includes a magnetic plate 101. A bearing is provided at the center of the magnetic plate 101. A baffle pressing strip 102 is provided on one side of the magnetic plate 101. A through groove for the crushing fixed roll 4 to move is provided on the surface of the crushing chamber housing 5 where the magnetic dust-proof baffle 11 is installed. The magnetic dust-proof baffle 11 is magnetically connected to the crushing chamber housing 5. When the position of the crushing fixed roll 4 is adjusted, the magnetic dust-proof baffle 11 moves on the surface of the crushing chamber housing 5 along with the crushing fixed roll 4, and the magnetic plate 101 can cover the through groove on the crushing chamber housing 5 to keep the crushing chamber housing 5 in a sealed state and prevent dust from escaping.

[0038] A driving device 2 is connected to one side of the crushing moving roll 3. The other side of the crushing moving roll 3 is connected to a gear reversing box 14 through a coupling 15. The gear reversing box 14 is connected to the crushing fixed roll 4 through a synchronous pulley 16 (a belt is provided on the synchronous pulley 16); further, a tensioner is provided on the synchronous pulley 16. When the crushing fixed roll 4 moves, the tensioner automatically adapts to the changed center distance of the synchronous pulley 16 to maintain transmission.

[0039] Please refer to Figure 1 and Figure 5, multiple slide rails 19 are provided on the bottom plate 1, and a set of sliders 18 are arranged on each of the slide rails 19. Two sets of sliders 18 are connected to the crushing roller bearing block 12 through the bearing block connecting plate 20, and one set of sliders 18 is connected to the gear reversing box 14 through the reversing box connecting plate 17; further, a bearing block connecting plate 20 is provided on the lower side of the crushing roller bearing block 12, and a reversing box connecting plate 17 is provided on the lower side of the gear reversing box 14. The bearing block connecting plate 20 and the reversing box connecting plate 17 are respectively connected to the corresponding sliders 18.

[0040] On one side of the crushing roller bearing block 12 at both ends of the fixed crushing roller 4, an adjusting pull rod 10 is provided. The adjusting pull rod 10 passes through the second adjusting fixed bracket 13 and is connected to the adjusting plate 8. A locking clamp block 9 is provided on the second adjusting fixed bracket 13. The adjusting plate 8 is connected to the first adjusting fixed bracket 7 through a ball screw 6; further, by changing the position of the fixed crushing roller 4 through the ball screw 6, the gap distance between the moving crushing roller 3 and the fixed crushing roller 4 is adjusted to adapt to materials to be crushed of different sizes.

[0041] Please refer to Figure 1 、 Figure 2 and Figure 4 , at one end of each of the two slide rails 19 provided with the crushing roller bearing block 12, an adjusting bracket 25 is provided. A pressure strip 24 is provided above the adjusting bracket 25 and the second adjusting fixed bracket 13, and two limit blocks 23 are provided on the lower side of the pressure strip 24; spoke type pressure sensors 21 are provided on the crushing roller bearing blocks 12 at both ends of the moving crushing roller 3. Through the setting of the spoke type pressure sensors 21, the pressure is made visible, improving the accuracy and convenience of pressure adjustment and making it easier to obtain the target product. On one side of the spoke type pressure sensor 21, there is a sensor flange 103, and on the other side, there is a bearing block connection disk 105. The sensor flange 103 prevents the spoke type pressure sensor 21 from vibrating or moving during use, affecting the accuracy of the measurement results. A spring 22 is provided between the adjusting bracket 25 and the spoke type pressure sensor 21. An adjusting bolt 26 is provided on one side of the adjusting bracket 25, and a spring compression top block 104 is provided on the other side. One end of the spring 22 is connected to the spring compression top block 104, and the other end is connected to the sensor flange 103.

[0042] When a fine crushing material pair roller machine is in use, by driving the ball screw 6, the gap between the fixed crushing roller 4 and the moving crushing roller 3 will increase or decrease (adjusted according to the volume of the material to be crushed). During the movement of the fixed crushing roller 4, the tensioner on the synchronous pulley 16 can automatically adapt to the center distance between the synchronous pulleys 16 to maintain the transmission state. After determining the distance between the two crushing rollers, the locking clamp block 9 is tightened to prevent the fixed crushing roller 4 from moving. During the crushing process, under the action of the magnetic adsorption type dust-proof baffle 11, the crushing chamber housing 5 is kept in a sealed state to prevent dust from escaping.

[0043] As described above, it is only the preferred embodiment of the present utility model. Any person skilled in the relevant art, without departing from the scope of the technical solution of the present utility model, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A fine crushing material double roller machine, characterized by: The invention comprises a bottom plate (1), a crushing chamber shell (5) is provided on the bottom plate (1), a crushing movable roller (3) and a crushing fixed roller (4) are arranged in the crushing chamber shell (5) and are relatively distributed, crushing roller bearing seats (12) are arranged at both ends of the crushing movable roller (3) and the crushing fixed roller (4), a magnetic dustproof baffle (11) is arranged between the crushing chamber shell (5) and the crushing roller bearing seat (12), a silicone sealing strip is arranged between the crushing chamber shell (5) and the magnetic dustproof baffle (11), one side of the crushing movable roller (3) is connected to a driving device (2), the other side of the crushing movable roller (3) is connected to a gear reversing box (14), and the gear reversing box (14) and the crushing fixed roller (4) are connected via a synchronous pulley (16); A plurality of slide rails (19) are arranged on the bottom plate (1), and a group of slide blocks (18) are arranged on the slide rails (19), wherein two groups of slide blocks (18) are connected to the crushing roller bearing seat (12), and one group of slide blocks (18) is connected to the gear reversing box (14); An adjusting rod (10) is provided on one side of the crushing roller bearing seat (12) at both ends of the crushing fixed roller (4), and the adjusting rod (10) passes through a second adjusting fixed bracket (13) and is connected to an adjusting plate (8), and a locking clamp (9) is provided on the second adjusting fixed bracket (13), and the adjusting plate (8) is connected to the first adjusting fixed bracket (7) through a ball screw (6); One end of two slide rails (19) provided with a crushing roller bearing seat (12) is provided with an adjustment bracket (25), the crushing roller bearing seats (12) at both ends of the crushing movable roller (3) are provided with a spoke type pressure sensor (21), a spring (22) is provided between the adjustment bracket (25) and the spoke type pressure sensor (21), and an adjustment bolt (26) is provided on one side of the adjustment bracket (25).

2. A fine crushing material double roller machine according to claim 1, characterized in that: A pressure strip (24) is provided above the adjustment bracket (25) and the second adjustment fixing bracket (13), and two limit blocks (23) are provided on the lower side of the pressure strip (24).

3. The fine crushing material double roller machine according to claim 1 is characterized in that: A sensor flange (103) is provided on one side of the spoke-type pressure sensor (21), and a bearing seat connecting plate (105) is provided on the other side.

4. A fine crushing material double roller machine according to claim 3, characterized in that: A spring compression top block (104) is provided on one side of the adjustment bracket (25) away from the adjustment bolt (26); one end of the spring (22) is connected to the spring compression top block (104), and the other end is connected to the sensor flange (103).

5. The fine crushing material double roller machine according to claim 1, characterized in that: The magnetic dustproof baffle (11) comprises a magnetic plate (101), a bearing is provided at the center of the magnetic plate (101), and a baffle pressure strip (102) is provided on one side of the magnetic plate (101).

6. The fine crushing material double roller machine according to claim 1, characterized in that: A coupling (15) is provided at one end of the crushing movable roller (3), and the coupling (15) is connected to the gear reversing box (14).

7. The double roller machine for fine crushing materials according to claim 1, characterized in that: A bearing seat connecting plate (20) is provided on the lower side of the crushing roller bearing seat (12), and a reversing box connecting plate (17) is provided on the lower side of the gear reversing box (14). The bearing seat connecting plate (20) and the reversing box connecting plate (17) are respectively connected to corresponding sliders (18).

8. The fine crushing material double roller machine according to claim 1, characterized in that: A tensioner is arranged on the synchronous pulley (16).

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