Grinding roller pre-tightening equipment

Abstract

The utility model discloses grinding roller pre-tightening equipment, which comprises a grinding roller device, the grinding roller device comprises a central shaft, a roller core and a to-be-pre-tightened grinding roller on the outer side of the roller core, a pressing plate and a blocking part are arranged above the grinding roller, the pressing plate enables the grinding roller to move downwards, and the blocking part is connected with the central shaft and limits the movement of the pressing plate. A fixing tool for fixing the grinding roller device is arranged on one side of the rack; the leveling device is connected with the rack and is used for detecting the heights of a plurality of downward pressing parts arranged on the circumference of the pressing plate and enabling the downward pressing parts to be at the same horizontal height; and the working device is connected with the rack and arranged on one side of the leveling device, and the working device provides driving force for the downward pressing part, so that the grinding roller is matched with the roller core. According to the utility model, the leveling device is used for detecting the horizontal height of the bolts, so that the bolts are kept at the same horizontal height, and then a grinding roller is quickly and accurately matched with a roller core through the working device, so that the assembly efficiency is improved, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of grinding roller assembly, in particular to a grinding roller pre-tightening device. Background Art

[0002] As a key component of stone crushing equipment, grinding roller plays an important role in the crushing and grinding process. It usually works with other components such as crushing roller to crush and grind the material to achieve the required particle size or shape.

[0003] In the existing technology, the grinding roller is usually arranged on the outside of the roller core and fits tightly with the roller core to obtain a higher assembly strength. During assembly, due to the high assembly precision requirements, the staff usually use knocking to make the grinding roller fit with the roller core, and then fine-tune the horizontality and verticality of the grinding roller, which seriously affects the assembly efficiency and the labor intensity of the staff is also high. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a grinding roller pre-tightening device, which can make the grinding roller quickly and accurately match with the roller core, improve the assembly efficiency, and reduce the labor intensity of the staff.

[0005] Specifically, the utility model discloses a grinding roller pre-tightening device, comprising:

[0006] A grinding roller device, comprising a central shaft, a roller core, and a grinding roller to be pre-tightened on the side wall of the roller core, a pressing plate for moving the grinding roller downward, and a blocking portion connected to the central shaft and limiting the movement of the pressing plate;

[0007] A frame, one side of which is provided with a fixing fixture for fixing the grinding roller device;

[0008] A leveling device is connected to the frame, detecting the height of a plurality of pressing parts arranged on the circumference of the pressing plate and making the plurality of pressing parts at the same level;

[0009] The working device is connected to the frame and is arranged on one side of the leveling device. The working device provides driving force for the pressing part to make the grinding roller cooperate with the roller core.

[0010] Furthermore, an annular step is provided on the inner side of the grinding roller, the outer diameter of the pressure plate matches the inner diameter of the annular step, and the pressing portion abuts against the annular step.

[0011] Furthermore, the pressing portion is a bolt.

[0012] Furthermore, the blocking portion is a round nut, which is provided on the upper surface of the pressure plate and is threadedly connected to the central shaft.

[0013] Furthermore, the fixing fixture includes a fixing fixture, a turntable, and a driving motor. The fixing fixture is arranged above the turntable and fixes the grinding roller device on the upper surface of the turntable. The driving motor is arranged below the turntable and connected thereto.

[0014] Furthermore, the leveling device includes a leveling fixed plate, a visual camera, a first electric screwdriver and a first lifting module. The leveling fixed plate is connected to the frame. The first lifting module is slidably connected to the leveling fixed plate through a leveling smooth rail. The visual camera is arranged at the lower end of the leveling fixed plate and is consistent with the height of the pressing plate. The first electric screwdriver is connected to the first lifting module.

[0015] The first lifting module includes a leveling cylinder, a leveling lifting slider and a leveling lifting slide plate. The leveling cylinder is arranged above the leveling lifting slider to push the leveling lifting slider to move. The leveling lifting slider is slidingly connected to the leveling sliding rail. The leveling lifting slide plate is L-shaped and is arranged on one side of the leveling lifting slider. The first electric screwdriver is connected to the leveling lifting slider.

[0016] Furthermore, the working device includes a first working device and a second working device arranged in sequence, each including a working fixed plate, a second lifting module and an electric screwdriver module, the working fixed plate is connected to the frame, the second lifting module is slidably connected to the working fixed plate through a working slide rail, and the electric screwdriver module is connected to the second lifting module; wherein,

[0017] The second lifting module includes a working cylinder, a working lifting slider and a working lifting slide plate. The working lifting slider is slidably connected to the working slide rail. The working lifting slide plate is an inverted U-shaped structure and is arranged on one side of the working lifting slider.

[0018] Furthermore, the electric screwdriver module includes several second electric screwdrivers, a universal rod and a working part. The second electric screwdriver is arranged on the first horizontal plate of the working lifting slide, and the working part is arranged on the second horizontal plate of the working lifting slide. The second electric screwdriver and the working part are universally connected through the universal rod.

[0019] Furthermore, an adjustment block slidably connected to the second transverse plate is provided on the outer side of the working part. The adjustment block is provided on the upper surface of the second transverse plate and connected to the working part through a bearing.

[0020] The beneficial effects of the present invention are:

[0021] The leveling device is used to detect the horizontal height of the bolts so that the bolts are kept at the same horizontal height. Then the first working device is used to quickly and accurately match the grinding roller with the roller core, thereby improving assembly efficiency and reducing the labor intensity of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.

[0023] Figure 1 This is a schematic diagram of the grinding roller pre-tightening equipment;

[0024] Figure 2 This is a schematic diagram of the grinding roller pre-tightening equipment from another perspective;

[0025] Figure 3 This is a schematic diagram of the assembly of the grinding roller device of the grinding roller pre-tightening equipment;

[0026] Figure 4 This is a schematic diagram of the leveling device of the grinding roller pre-tightening equipment;

[0027] Figure 5 This is a schematic diagram of the working device of the grinding roller pre-tightening equipment;

[0028] Figure 6 This is a cross-sectional view of the grinding roller device of the grinding roller pre-tightening equipment;

[0029] Figure 7 This is a cross-sectional view of the grinding roller device of the grinding roller pre-tightening equipment.

[0030] The numbers involved in the drawings are as follows: grinding roller device 1, central shaft 11, roller core 12, grinding roller 13, annular step 131, pressing plate 14, lower pressing part 141, blocking part 15, frame 2, fixed tool 3, fixing fixture 31, turntable 32, leveling device 4, leveling fixed plate 41, visual camera 42, first electric screw 43, leveling smooth rail 44, first lifting module 45, leveling cylinder 451, leveling lifting slider 452, leveling Lifting slide 453, working device 5, first working device 51, second working device 52, working fixed plate 501, second lifting module 502, working cylinder 5021, working lifting slider 5022, working lifting slide 5023, first horizontal plate 5024, second horizontal plate 5025, adjusting block 5026, electric screwdriver module 503, second electric screwdriver 5031, universal rod 5032, working part 5033, working slide rail 504. DETAILED DESCRIPTION

[0031] The present invention will be further described in detail below with reference to the accompanying drawings.

[0032] like Figure 1-7 As shown, the utility model discloses a grinding roller pre-tightening device, comprising:

[0033] The grinding roller device 1 includes a central shaft 11, a roller core 12, and a grinding roller 13 to be pre-tightened on the side wall of the roller core 12. A pressure plate 14 is provided above the grinding roller 13 to move the grinding roller 13 downward, and a blocking portion 15 connected to the central shaft 11 and limiting the movement of the pressure plate 14.

[0034] A frame 2, one side of which is provided with a fixing fixture 3 for fixing the grinding roller device 1;

[0035] The leveling device 4 is connected to the frame 2, detects the height of the plurality of pressing parts 141 provided on the circumference of the pressing plate 14, and makes the plurality of pressing parts 141 at the same level;

[0036] The working device 5 is connected to the frame 2 and is disposed on one side of the leveling device 4 . The working device 5 provides driving force for the lower pressing portion 141 to enable the grinding roller 13 to cooperate with the roller core 12 .

[0037] The utility model detects the horizontal height of the lower pressing part 141 through the leveling device 4, so that the lower pressing part 141 is maintained at the same horizontal height, and then the grinding roller 13 is quickly and accurately matched with the roller core 12 through the working device 5 to complete the assembly, and then the lower pressing part 141 is rotated upward, thereby improving the assembly efficiency and reducing the labor intensity of the staff.

[0038] An annular step 131 is provided on the inner side of the grinding roller 13. The outer diameter of the pressing plate 14 matches the inner diameter of the annular step 131, and the lower pressing portion 141 abuts against the annular step 131. The annular step 131 is provided on the inner side of the pressing plate 14 to facilitate the installation and positioning of the pressing plate 14 and to facilitate abutment with the grinding roller 13, pressing the grinding roller 13 downward.

[0039] In addition, the pressing portion 141 is preferably a bolt, and the blocking portion 15 is preferably a round nut, which is provided on the upper surface of the pressing plate 14 and is threadedly connected to the central shaft 11 to fix the pressing plate 14. In this embodiment, the number of pressing portions is even, evenly arranged on the circumference of the pressing plate, and the rotation directions of adjacent pressing portions are opposite.

[0040] In some embodiments of the present invention, the fixing fixture 3 includes a fixing fixture 31, a turntable 32, and a drive motor. The fixing fixture 31 is located above the turntable 32 and fixes the grinding roller device 1 to the upper surface of the turntable 32. The drive motor is located below the turntable 32 and is connected to the turntable 32. The drive motor has a locking device to prevent the working device from driving the drive shaft of the drive motor to rotate during operation.

[0041] In some embodiments of the present invention, the leveling device 4 includes a leveling fixed plate 41, a visual camera 42, a first electric screwdriver 43 and a first lifting module 45. The leveling fixed plate 41 is connected to the frame 2. The first lifting module 45 is slidingly connected to the leveling fixed plate 41 through a leveling smooth rail 44. The visual camera 42 is arranged at the lower end of the leveling fixed plate 41 and is consistent with the height of the pressing plate 14. The first electric screwdriver 43 is connected to the first lifting module 45; wherein, the first lifting module 45 includes a leveling cylinder 451, a leveling lifting slider 452 and a leveling lifting slide 453. The leveling cylinder 451 is arranged above the leveling lifting slider 452 to push the leveling lifting slider 452 to move. The leveling lifting slider 452 is slidingly connected to the leveling smooth rail 44. The leveling lifting slide 453 is L-shaped and is arranged on one side of the leveling lifting slider 452. The first electric screwdriver 43 is connected to the leveling lifting slider 452. The visual camera 42 detects the horizontal height of the bolts on the pressure plate 14 to check whether the horizontal heights of all bolts are consistent. If they are consistent, the next process is carried out; if they are inconsistent, the equipment selects the optimal solution for height adjustment after detection, drives the motor to rotate, and rotates the bolts that need to be adjusted to the bottom of the first electric screwdriver 43. Then the leveling cylinder 451 pushes the leveling lifting slider 452 and the leveling lifting slide 453 to drive the first electric screwdriver 43 to move downward, so that the first electric screwdriver 43 adjusts the bolts that need to be adjusted until the horizontal heights of all bolts are consistent, preparing for the next process and improving the matching accuracy of the grinding roller 13 and the roller core 12.

[0042] In some embodiments of the present invention, the working device 5 includes a first working device 51 and a second working device 52 arranged in sequence, each including a working fixed plate 501, a second lifting module 502, and an electric screwdriver module 503. The working fixed plate 501 is connected to the frame 2, the second lifting module 502 is slidably connected to the working fixed plate 501 via a working slide rail 504, and the electric screwdriver module 503 is connected to the second lifting module 502. The second lifting module 502 includes a working cylinder 5021, a working lifting slider 5022, and a working lifting slide plate 5023. The working lifting slider 5022 is slidably connected to the working slide rail 504. The working lifting slide plate 5023 is an inverted U-shaped structure and is disposed on one side of the working lifting slider 5022. The working cylinder 5021 pushes the working lifting slider 5022 and the working lifting slide plate 5023 to move, thereby driving the electric screwdriver module 503 to move downward, driving the bolt to rotate. The first working device 51 moves the bolt downward to abut against the grinding roller 13 , and the second working device 52 moves the bolt upward.

[0043] The electric screwdriver module 503 can adopt the following structure, including several second electric screwdrivers 5031, universal rods 5032 and working parts 5033. The second electric screwdriver 5031 is arranged on the first horizontal plate 5024 of the working lifting slide 5023, and the working part 5033 is arranged on the second horizontal plate 5025 of the working lifting slide 5023. The second electric screwdriver 5031 and the working part 5033 are universally connected through the universal rod 5032. The second electric screwdriver 5031 has a torque meter. The number of second electric screwdrivers 5031, universal rods 5032 and working parts 5033 is the same. There are four working parts 5033. The connecting line of the center of the working part 5033 forms a square, and the working part 5033 located at the diagonal position has opposite directions. On the one hand, it can improve the stability of the grinding roller device 1 during operation, and on the other hand, it can improve the stability of the grinding roller 13 when it moves downward and reduce assembly errors. In order to improve the docking accuracy between the working part 5033 and the bolt, a camera is provided below the electric screwdriver module 503 .

[0044] On the other hand, in order to expand the range of use of the electric screwdriver module 503, an adjustment block 5026 is provided on the outside of the working portion 5033 and is slidably connected to the second transverse plate 5025. The adjustment block 5026 is provided on the upper surface of the second transverse plate 5025 and is connected to the working portion 5033 via a bearing. By changing the position of the adjustment block 5026, the position of the working portion 5033 can be adjusted, thereby adapting to grinding roller devices 1 of different sizes.

[0045] The working mode of the utility model is as follows:

[0046] The staff puts the pressure plate 14 with bolts into the annular step 131, fixes the pressure plate 14 with round nuts, and then fixes the grinding roller device 1 with the pressure plate 14 and the blocking part 15 on the fixed tooling 3; the frame 2 rotates, and the leveling device 4 rotates to the top of the grinding roller device 1, and the visual camera 42 detects the horizontal height of the bolts on the pressure plate 14 to check whether the horizontal heights of all bolts are consistent. If they are consistent, the next process is carried out; if they are inconsistent, the equipment selects the optimal solution for height adjustment after inspection, drives the motor to rotate, and rotates the bolts that need to be adjusted to the bottom of the first electric screwdriver 43, and then the leveling cylinder 451 pushes the leveling lifting slider 452 and the leveling lifting slide 453 to drive the first electric screwdriver 43 to move downward, so that the first electric screwdriver 43 adjusts the bolts that need to be adjusted until the horizontal heights of all bolts are consistent; the frame 2 rotates, and the first working device 51 rotates to the top of the grinding roller device 1. On the other hand, the working cylinder 5021 pushes the working lifting slider 5022 and the working lifting slide plate 5023 to move, and at the same time drives the electric batch module 503 to move downward, so that the four bolts rotate downward until the torque set by the second electric batch is met, and then the electric batch module 503 moves up, and the driving motor makes the grinding roller device 1 rotate the set angle, and the electric batch module 503 moves down again, so that the four bolts rotate downward, and repeats this movement until all the bolts meet the set torque and the pre-tightening is completed; the frame 2 rotates, and the second working device 52 rotates to the top of the grinding roller device 1, the electric batch module 503 moves downward and works, and rotates the four bolts upward, and then the electric batch module 503 moves up, and the driving motor makes the grinding roller device 1 rotate the set angle, and the electric batch module 503 moves down again, so that the four bolts rotate upward, and repeats this movement until all the bolts are moved up; the frame 2 rotates, reaches the material taking position, and removes the grinding roller device 1 on the fixed tooling 3.

[0047] For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention.

Claims

1. A grinding roller pre-tightening device, characterized in that: include: A grinding roller device (1) includes a central shaft (11), a roller core (12), and a grinding roller (13) to be pre-tightened outside the roller core (12); a pressing plate (14) is provided above the grinding roller (13) for moving the grinding roller (13) downward, and a blocking portion (15) connected to the central shaft (11) and limiting the movement of the pressing plate (14); A frame (2), wherein a fixing fixture (3) for fixing the grinding roller device (1) is provided on one side of the frame (2); A leveling device (4) is connected to the frame (2) to detect the heights of a plurality of pressing portions (141) provided on the circumference of the pressing plate (14) and to ensure that the plurality of pressing portions (141) are at the same level. A working device (5) is connected to the frame (2) and is arranged on one side of the leveling device (4). The working device (5) provides driving force for the lower pressing part (141) to make the grinding roller (13) cooperate with the roller core (12).

2. The grinding roller pre-tightening device according to claim 1, characterized in that: An annular step (131) is provided on the inner side of the grinding roller (13), the outer diameter of the pressing plate (14) matches the inner diameter of the annular step (131), and the lower pressing portion (141) abuts against the annular step (131).

3. The grinding roller pre-tightening device according to claim 1, characterized in that: The pressing portion (141) is a bolt.

4. The grinding roller pre-tightening device according to claim 1, characterized in that: The blocking portion (15) is a round nut, which is arranged on the upper surface of the pressing plate (14) and is threadedly connected to the central shaft (11).

5. The grinding roller pre-tightening device according to claim 1, characterized in that: The fixing fixture (3) comprises a fixing fixture (31), a turntable (32), and a driving motor. The fixing fixture (31) is arranged above the turntable (32) and fixes the grinding roller device (1) on the upper surface of the turntable (32). The driving motor is arranged below the turntable (32) and is connected to the turntable (32).

6. The grinding roller pre-tightening device according to claim 1, characterized in that: The leveling device (4) includes a leveling fixed plate (41), a visual camera (42), a first electric screwdriver (43) and a first lifting module (45), wherein the leveling fixed plate (41) is connected to the frame (2), the first lifting module (45) is slidably connected to the leveling fixed plate (41) through a leveling smooth rail (44), the visual camera (42) is arranged at the lower end of the leveling fixed plate (41) and is consistent with the height of the pressing plate (14), and the first electric screwdriver (43) is connected to the first lifting module (45); wherein, The first lifting module (45) includes a leveling cylinder (451), a leveling lifting slider (452) and a leveling lifting slide plate (453). The leveling cylinder (451) is arranged above the leveling lifting slider (452) to push the leveling lifting slider (452) to move. The leveling lifting slider (452) is slidably connected to the leveling sliding rail (44). The leveling lifting slide plate (453) is L-shaped and is arranged on one side of the leveling lifting slider (452). The first electric screwdriver (43) is connected to the leveling lifting slider (452).

7. The grinding roller pre-tightening device according to claim 1, characterized in that: The working device (5) comprises a first working device (51) and a second working device (52) arranged in sequence, each comprising a working fixed plate (501), a second lifting module (502) and an electric screwdriver module (503), wherein the working fixed plate (501) is connected to the frame (2), the second lifting module (502) is slidably connected to the working fixed plate (501) via a working slide rail (504), and the electric screwdriver module (503) is connected to the second lifting module (502); wherein, The second lifting module (502) includes a working cylinder (5021), a working lifting slider (5022) and a working lifting slide plate (5023). The working lifting slider (5022) is slidably connected to the working slide rail (504). The working lifting slide plate (5023) is an inverted U-shaped structure and is arranged on one side of the working lifting slider (5022).

8. The grinding roller pre-tightening device according to claim 7, characterized in that: The electric screwdriver module (503) includes a plurality of second electric screwdrivers (5031), a universal rod (5032) and a working part (5033). The second electric screwdrivers (5031) are arranged on the first transverse plate (5024) of the working lifting slide (5023). The working part (5033) is arranged on the second transverse plate (5025) of the working lifting slide (5023). The second electric screwdrivers (5031) and the working part (5033) are universally connected via the universal rod (5032).

9. The grinding roller pre-tightening device according to claim 8, characterized in that: An adjusting block (5026) slidably connected to the second transverse plate (5025) is further provided on the outer side of the working part (5033); the adjusting block (5026) is provided on the upper surface of the second transverse plate (5025) and is connected to the working part (5033) via a bearing.

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