An upright hydraulic three-roll mill

By introducing a replacement mechanism for components such as the pusher block, push-out block, and guide block into the vertical hydraulic three-roll mill, the problem of inconvenient roller replacement has been solved, enabling rapid roller replacement and flexible equipment adaptability, thereby improving production efficiency.

CN119237061BActive Publication Date: 2025-11-04CHANGZHOU LONGXIN MACHINERY
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Patent Information

Application Number
CN202411362197.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-09-27
Publication Date
2025-11-04
Estimated Expiration
2044-09-27

AI Technical Summary

Technical Problem

The existing vertical hydraulic three-roll mill is not convenient for changing rollers of different materials, which limits its ability to process different types of materials.

Method used

A replacement mechanism comprising a push-in block, a push-out block, a push-in electric push rod, and a push-out electric push rod is designed to enable rapid roller replacement and to provide guidance and fixation during roller assembly via guide blocks and guide grooves.

Benefits of technology

It enables rapid and reliable replacement of rollers, adapts to the grinding needs of different materials, and improves the flexibility and production efficiency of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the technical field of grinding machine, especially to a vertical hydraulic three-roller grinding machine, which comprises a frame, roller shafts and roller barrels, one side and the other side of the frame are respectively provided with a first supporting block and a second supporting block, two ends of the three roller shafts are respectively rotatably connected to the first supporting block and the second supporting block, the roller barrels are sleeved outside the roller shafts and are in sliding fit with the roller shafts, the frame is internally stored with the roller barrels of different materials, and the frame is internally provided with a replacing mechanism, the roller barrels on the roller shafts are pushed out by a pushing-out block, the replaced roller barrels are pushed onto the roller shafts by a pushing-in block, so that the replacing of the roller barrels is completed, and in the process of replacing the roller barrels, the lateral supporting blocks on the connecting block and the inner supporting block support the first supporting block at intervals, so that in the process of replacing the roller barrels, the first supporting block is supported and the roller barrels are not blocked by the connecting block.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of grinding machine, especially to a vertical hydraulic three-roll grinding machine. BACKGROUND

[0002] The vertical hydraulic three-roll grinding machine is a high-efficiency industrial grinding equipment, three high-precision rollers are widely used in chemical industry, paint, ink and other industries, which can finely grind various materials, and can refine the material particles to the required particle size, improve the dispersibility and uniformity of the material, and significantly improve the product quality and production efficiency.

[0003] The vertical hydraulic three-roll grinding machine is usually composed of a frame, three rollers, a control system and a hydraulic system, and the material to be ground is uniformly fed into the three rollers through a feeding device, and there is a speed difference between the rollers. The material is rolled in the rollers under the action of friction and shear force, and the material is continuously circulated between the rollers during the grinding process, and is gradually refined and uniformly dispersed to complete the grinding of the material.

[0004] Different types of materials require different rollers, for example, when processing high-hardness materials, high-hardness rollers are required, when grinding soft materials, conventional rollers are required, and when grinding materials with corrosion resistance, corrosion-resistant rollers are required. The vertical hydraulic three-roll grinding machine in the prior art is not convenient to replace the roller, thereby causing limitations.

[0005] Therefore, we propose a vertical hydraulic three-roll grinding machine. SUMMARY

[0006] In view of the shortcomings of the prior art, the present application provides a vertical hydraulic three-roll grinding machine, which overcomes the shortcomings of the prior art and aims to solve the problems in the background art.

[0007] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a vertical hydraulic three-roll grinding machine, comprising:

[0008] A frame, a roller shaft and a roller are provided, one side of the frame is provided with a first support block and a second support block, both ends of the three roller shafts are rotatably connected to the first support block and the second support block, the roller is sleeved outside the roller shaft, and the roller and the roller shaft are in sliding fit.

[0009] The frame stores rollers made of different materials; the frame is provided with a replacement mechanism; the replacement mechanism is used to replace the roller on the roller shaft.

[0010] Preferably, the replacement mechanism comprises a pushing-in block, a pushing-out block, a pushing-in electric push rod and a pushing-out electric push rod; the pushing-out electric push rod is fixedly connected to the second supporting block; the pushing-out block is fixedly connected to the pushing-out electric push rod; the pushing-in electric push rod is arranged on the rack; and the pushing-in block is fixedly connected to the output end of the pushing-in electric push rod.

[0011] Preferably, the rack is fixedly connected with a first supporting electric push rod; the output end of the first supporting electric push rod is fixedly connected with a connecting block; the first supporting block is provided with a clamping groove; and the connecting block can be inserted into the clamping groove.

[0012] Preferably, the rack is slidably connected with an arc-shaped storage rack; the rack is fixedly connected with an adjusting motor; the arc-shaped storage rack is fixedly connected with an arc-shaped rack gear; the output end of the adjusting motor is fixedly connected with a gear which is engaged with the arc-shaped rack gear; and the roller is stored on the arc-shaped storage rack.

[0013] Preferably, the arc-shaped storage rack is fixedly connected with an inner supporting block; the pushing-in electric push rod is fixedly connected to the inner supporting block; the inner supporting block is provided with a supporting groove; the supporting groove is fixedly connected with a transverse supporting electric push rod; the output end of the transverse supporting electric push rod is fixedly connected with a transverse supporting block; the first supporting block is provided with a transverse groove; and the transverse supporting block can be inserted into the transverse groove.

[0014] The roller on the roller shaft is pushed out by the pushing-out block, and the replaced roller is pushed onto the roller shaft by the pushing-in block, so that the replacement of the roller is completed; and in the process of replacing the roller, the first supporting block is supported by the connecting block and the transverse supporting block on the inner supporting block at intervals, so that the first supporting block is supported and the roller is not blocked by the connecting block in the process of replacing the roller.

[0015] Preferably, the roller shaft is provided with a guide block; the inner wall of the roller is provided with a guide groove; the guide groove is V-shaped, and the small end of the guide groove is capable of being slidably connected with the guide block.

[0016] Preferably, the roller shaft is provided with an L-shaped groove; the guide block is slidably connected to one end of the L-shaped groove; a return spring is fixedly connected between the guide block and the L-shaped groove; the other end of the L-shaped groove is slidably connected with a jacking rod; the jacking rod is threadedly connected with a rotating shaft; one end of the roller shaft is rotatably connected with an adjusting gear ring; the rotating shaft is fixedly connected with a gear which is engaged with the adjusting gear ring; and the small end of the guide groove is provided with a clamping groove.

[0017] Preferably, the adjusting gear ring is provided with a hole; the second supporting block is provided with an extension groove; an extension block is slidably connected in the extension groove; an extension electric push rod is fixedly connected in the extension groove; and the extension block can be inserted into the hole.

[0018] By setting guide blocks on the roller shaft and guide grooves on the roller, the process of the roller being fitted onto the roller shaft is guided. Furthermore, by moving the guide blocks upwards and locking the roller, the roller is fixed to the roller shaft, preventing the roller from moving on the roller shaft during use and ensuring the effectiveness of the invention.

[0019] The beneficial effects of this invention are:

[0020] 1. The present invention pushes the roller on the roller shaft out by pushing out the push block, and then pushes the replacement roller onto the roller shaft by pushing in the push block, thereby completing the replacement of the roller. In addition, during the replacement of the roller, the transverse support blocks on the connecting block and the inner support block support the first support block at intervals, thereby ensuring that the roller is not blocked by the connecting block while supporting the first support block during the replacement of the roller.

[0021] 2. The present invention guides the process of the roller being fitted onto the roller shaft by setting guide blocks on the roller shaft and guide grooves on the roller. Furthermore, by moving the guide blocks upwards and locking the roller, the roller is fixed to the roller shaft, preventing the roller from moving on the roller shaft during use and ensuring the effectiveness of the present invention. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of the present invention;

[0023] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0024] Figure 3 This is a partial sectional view of the base, roller, roller shaft, first support block and second support block in this invention;

[0025] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0026] Figure 5 for Figure 3 Enlarged view of point C in the middle;

[0027] Figure 6 This is a cross-sectional view of the inner support block and the push-in block in this invention;

[0028] Figure 7 This is a cross-sectional view of the inner support block and the transverse support block in this invention;

[0029] Figure 8 This is a cross-sectional view of the roller in this invention.

[0030] In the figure: 1, frame; 2, roller shaft; 21, roller; 11, No. 1 supporting block; 12, No. 2 supporting block; 31, pushing-in block; 32, pushing-out block; 33, pushing-in electric push rod; 34, pushing-out electric push rod; 4, No. 1 supporting electric push rod; 41, connecting block; 42, clamping groove; 5, arc-shaped storage rack; 51, adjusting motor; 52, arc-shaped rack gear; 53, inner supporting block; 54, supporting groove; 55, transverse supporting electric push rod; 56, transverse supporting block; 57, transverse groove; 6, guiding block; 61, guiding groove; 62, L-shaped groove; 63, return spring; 64, jacking rod; 65, rotating shaft; 66, adjusting gear ring; 67, clamping groove; 68, hole; 69, telescopic groove; 7, telescopic block; 71, telescopic electric push rod. DETAILED DESCRIPTION

[0031] 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 of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0032] Embodiment one: refer to the description attached Figure 1 、 2 , 3, 4, 6 and 7, a vertical hydraulic three-roller grinding machine, comprising:

[0033] frame 1, roller shaft 2 and roller 21; No. 1 supporting block 11 and No. 2 supporting block 12 are arranged on the two sides of frame 1 respectively; the two ends of three roller shafts 2 are rotatably connected to No. 1 supporting block 11 and No. 2 supporting block 12 respectively; roller 21 is sleeved outside roller shaft 2, and roller 21 and roller shaft 2 are in sliding fit;

[0034] different materials of roller 21 are stored in frame 1; a replacing mechanism is arranged in frame 1; the replacing mechanism is used for replacing roller 21 on roller shaft 2.

[0035] In the present application, the replacing mechanism comprises pushing-in block 31, pushing-out block 32, pushing-in electric push rod 33 and pushing-out electric push rod 34; pushing-out electric push rod 34 is fixedly connected to No. 2 supporting block 12; pushing-out block 32 is fixedly connected to pushing-out electric push rod 34; pushing-in electric push rod 33 is arranged on frame 1; pushing-in block 31 is fixedly connected to the output end of pushing-in electric push rod 33.

[0036] In the present application, No. 1 supporting electric push rod 4 is fixedly connected in frame 1; the output end of No. 1 supporting electric push rod 4 is fixedly connected with connecting block 41; clamping groove 42 is arranged on No. 1 supporting block 11; connecting block 41 can be inserted into clamping groove 42.

[0037] In the application, the arc-shaped storage rack 5 is slidably connected to the rack 1; the adjusting motor 51 is fixedly connected to the rack 1; the arc-shaped rack 52 is fixedly connected to the arc-shaped storage rack 5; the gear engaged with the arc-shaped rack 52 is fixedly connected to the output end of the adjusting motor 51; and the roller 21 is stored in the arc-shaped storage rack 5.

[0038] In the application, the inner supporting block 53 is fixedly connected to the arc-shaped storage rack 5; the push-in electric push rod 33 is fixedly connected to the inner supporting block 53; the supporting groove 54 is formed in the inner supporting block 53; the transverse supporting electric push rod 55 is fixedly connected in the supporting groove 54; the transverse supporting block 56 is fixedly connected to the output end of the transverse supporting electric push rod 55; the transverse groove 57 is formed in the No. 1 supporting block 11; and the transverse supporting block 56 can be inserted into the transverse groove 57.

[0039] In the application, the staff pours the material to be ground on the roller 21, and the roller 21 is used for grinding; when the roller 21 on the roller shaft 2 needs to be replaced, first, the adjusting motor 51 drives the corresponding gear to rotate, so that the arc-shaped storage rack 5 rotates, the position of the inner supporting block 53 on the arc-shaped storage rack 5 is adjusted, so that the idle inner supporting block 53 is aligned with the roller shaft 2, the transverse supporting electric push rod 55 on the inner supporting block 53 pushes the transverse supporting block 56 to move, so that the transverse supporting block 56 is inserted into the transverse groove 57 on the No. 1 supporting block 11, then the No. 1 supporting electric push rod 4 moves downward with the connecting block 41, and is disconnected with the No. 1 supporting block 11, then the push-out electric push rod 34 pushes the push-out block 32, so that the push-out block 32 pushes the roller 21 on the roller shaft 2, so that the roller 21 on the roller shaft 2 moves from the roller shaft 2 and is sleeved on the idle inner supporting block 53 on the arc-shaped storage rack 5, in the process, the transverse supporting block 56 supports the No. 1 supporting block 11, then the connecting block 41 moves upward again, is connected with the No. 1 supporting block 11, and the transverse supporting block 56 returns to the original position, then the arc-shaped storage rack 5 rotates again, so that the roller 21 to be replaced is aligned with the roller shaft 2, the transverse supporting block 56 on the corresponding inner supporting block 53 is connected with the No. 1 supporting block 11, and the connecting block 41 moves downward and is disconnected with the No. 1 supporting block 11, the push-in block 31 pushes the roller 21 on the inner supporting block 53, so that the roller 21 is sleeved on the roller shaft 2, then the connecting block 41 moves upward again and is connected with the No. 1 supporting block 11, and the transverse supporting block 56 returns to the original position, so that the replacement of the roller 21 on the roller shaft 2 is completed.

[0040] In the application, the roller 21 on the roller shaft 2 is pushed out by the push-out block 32, and the replaced roller 21 is pushed onto the roller shaft 2 by the push-in block 31, so that the replacement of the roller 21 is completed, and in the process of replacing the roller 21, the connecting block 41 and the transverse supporting block 56 on the inner supporting block 53 support the No. 1 supporting block 11 at intervals, so that in the process of replacing the roller 21, the No. 1 supporting block 11 is supported, and the roller 21 is not blocked by the connecting block 41.

[0041] Example two: on the basis of example one, refer to the description attached Figure 3 、 5 And 8, in the present application, the guide block 6 is installed on the roller shaft 2; the guide groove 61 is opened in the inner wall of the roller 21; the shape of the guide groove 61 is V-shaped, and the small end of the size can be slidably connected with the guide block 6.

[0042] In the present application, the L-shaped groove 62 is opened in the roller shaft 2; the guide block 6 is slidably connected in one end of the L-shaped groove 62; the reset spring 63 is fixedly connected between the guide block 6 and the L-shaped groove 62; the top rod 64 is slidably connected in the other end of the L-shaped groove 62; the rotating shaft 65 is threadedly connected on the top rod 64; the adjusting gear ring 66 is rotatably connected in one end of the roller shaft 2; the gear meshing with the adjusting gear ring 66 is fixedly connected on the rotating shaft 65; the clamping groove 67 is opened in the bottom of the small end of the guide groove 61.

[0043] In the present application, the hole 68 is opened in the adjusting gear ring 66; the telescopic groove 69 is opened in the second supporting block 12; the telescopic block 7 is slidably connected in the telescopic groove 69, and the telescopic electric push rod 71 is fixedly connected in the telescopic groove 69; the telescopic block 7 can be inserted into the hole 68.

[0044] In the present application, before the roller 21 is pushed off from the roller shaft 2, the telescopic electric push rod 71 drives the telescopic block 7, so that the telescopic block 7 is inserted into the hole 68 on the adjusting gear ring 66, so that the adjusting gear ring 66 is fixed, then the roller shaft 2 is slowly rotated, so that the relative rotation between the roller shaft 2 and the adjusting gear ring 66 is realized, so that the rotating shaft 65 is rotated, in the process of rotating the rotating shaft 65, the top rod 64 moves away from the guide block 6, so that the guide block 6 moves downward under the action of the reset spring 63 and is received in the roller shaft 2, so that the roller 21 on the roller shaft 2 is disconnected with the roller shaft 2; when the replaced roller 21 is sleeved on the roller shaft 2, first, the roller shaft 2 is rotated, so that the top rod 64 moves towards the guide block 6, and the guide block 6 is lifted up, then the roller 21 is sleeved on the roller shaft 2, the guide block 6 is clamped into the guide groove 61 and moves along the guide groove 61, with the continuous movement of the roller 21, the guide block 6 drives the roller 21 to rotate, until the guide block 6 is aligned with the clamping groove 67, then the roller shaft 2 is rotated again, so that the guide block 6 continues to move upward, so that the guide block 6 is inserted into the clamping groove 67;

[0045] In the present application, the guide block 6 is arranged on the roller shaft 2, the guide groove 61 is arranged on the roller 21, so that the process of sleeving the roller 21 on the roller shaft 2 is guided, and the guide block 6 is moved upward and clamped on the roller 21, so that the roller 21 is fixed on the roller shaft 2, preventing the movement of the roller 21 on the roller shaft 2 during use, and ensuring the use effect of the present application.

[0046] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application, and various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application; the scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An upright hydraulic tri-roll refiner, characterized by: Include: Frame (1), roller shaft (2) and roller (21); The two sides of the frame (1) are respectively provided with a first supporting block (11) and a second supporting block (12); The two ends of the three roller shafts (2) are respectively rotatably connected to the first supporting block (11) and the second supporting block (12); The roller (21) is sleeved outside the roller shaft (2), and the roller (21) and the roller shaft (2) are slidingly connected; Different materials are stored in the frame (1); The frame (1) is provided with a replacement mechanism; The replacement mechanism is used for replacing the roller (21) on the roller shaft (2); The replacement mechanism includes a push-in block (31), a push-out block (32), a push-in electric push rod (33) and a push-out electric push rod (34); The push-out electric push rod (34) is fixedly connected to the second supporting block (12); The push-out block (32) is fixedly connected to the push-out electric push rod (34); The push-in electric push rod (33) is arranged on the frame (1); The push-in block (31) is fixedly connected to the output end of the push-in electric push rod (33); The frame (1) is fixedly connected with a first supporting electric push rod (4); The output end of the first supporting electric push rod (4) is fixedly connected with a connecting block (41); The first supporting block (11) is provided with a clamping groove (42); The connecting block (41) can be inserted into the clamping groove (42); The frame (1) is slidingly connected with an arc-shaped storage rack (5); The frame (1) is fixedly connected with an adjusting motor (51); The arc-shaped storage rack (5) is fixedly connected with an arc-shaped rack (52); The output end of the adjusting motor (51) is fixedly connected with a gear meshing with the arc-shaped rack (52); The roller (21) is stored in the arc-shaped storage rack (5); The arc-shaped storage rack (5) is fixedly connected with an inner supporting block (53); The push-in electric push rod (33) is fixedly connected to the inner supporting block (53); The inner supporting block (53) is provided with a supporting groove (54); The supporting groove (54) is fixedly connected with a transverse supporting electric push rod (55); The output end of the transverse supporting electric push rod (55) is fixedly connected with a transverse supporting block (56); The first supporting block (11) is provided with a transverse groove (57); The transverse supporting block (56) can be inserted into the transverse groove (57); The roller shaft (2) is provided with a guide block (6); The inner wall of the roller (21) is provided with a guide groove (61); The guide groove (61) is V-shaped, and the small end of the guide groove (61) can be slidingly connected with the guide block (6); The roller shaft (2) is provided with an L-shaped slot (62); the guide block (6) is slidingly connected in one end of the L-shaped slot (62); the guide block (6) and the L-shaped slot (62) are fixedly connected with a reset spring (63); the other end of the L-shaped slot (62) is slidingly connected with a jacking rod (64); the jacking rod (64) is threadedly connected with a rotating shaft (65); one end of the roller shaft (2) is rotatably connected with an adjusting gear ring (66); the rotating shaft (65) is fixedly connected with a gear which is in engagement with the adjusting gear ring (66); the guide slot (61) is provided at the bottom of the small end with a clamping slot (67); The adjusting gear ring (66) is provided with a hole (68); the second supporting block (12) is provided with an expansion slot (69); the expansion slot (69) is slidingly connected with an expansion block (7), and the expansion slot (69) is fixedly connected with an expansion electric push rod (71); the expansion block (7) can be inserted into the hole (68).

Citation Information

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