A drum groove for a centrifugal drum grinder

By introducing a spiral guide seat and a disturbance structure into the centrifugal drum grinder, the problem of uneven mixing between the grinding media and the workpiece is solved, improving the uniformity and efficiency of grinding and enhancing the surface finishing effect of the workpiece.

CN223572848UActive Publication Date: 2025-11-21ANHUI YIZIDA INTELLIGENT EQUIPMENT CO LTD
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Patent Information

Application Number
CN202423241694.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-21
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

In centrifugal drum grinders, the tumbling motion of the grinding media and the workpiece inside the drum grooves prevents them from mixing sufficiently, resulting in reduced grinding uniformity and efficiency.

Method used

Design a roller groove with a spiral guide seat and multiple sets of deflectors. The guide seat guides the grinding media and workpiece to move along the spiral path, and the deflectors increase the collision and friction points, thereby improving the mixing uniformity and grinding efficiency.

Benefits of technology

The design of the guide seat and the swirl group enables thorough mixing of the grinding media and the workpiece, improving the uniformity and efficiency of grinding and enhancing the processing effect on the workpiece surface.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223572848U_ABST
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Abstract

The utility model discloses a kind of drum grooves for centrifugal drum grinder, including grinding cylinder, the rear cover plate is fixedly installed in one end of grinding cylinder, and the front cover plate is fixedly installed in one end of grinding cylinder away from rear cover plate, while drum body is opened in the inside of grinding cylinder, and flow guide seat is fixedly arranged on the inner wall of grinding cylinder, grinding cylinder includes side plate, and multiple groups of disturbance groups are uniformly fixedly arranged in side plate, while surface installation of grinding cylinder has feeding door body.The drum groove for centrifugal drum grinder, when grinding medium and workpiece move in the inside of the grinding cylinder of rotary motion, the inside of grinding cylinder is provided with flow guide seat, flow guide seat is spirally arranged in the inside of grinding cylinder, when grinding cylinder rotates, flow guide seat can guide grinding medium and workpiece to move in spiral path in drum;During rotation, material rises and falls along helical groove, so that material in different positions can be fully mixed, improve the uniformity of grinding.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of grinding machine, concretely to a drum groove for centrifugal drum grinder. BACKGROUND

[0002] The working principle of the centrifugal drum grinder is as follows: in the centrifugal drum grinder, grinding medium (such as steel ball, ceramic bead, etc.) and workpieces to be ground are loaded. When the machine is running, the drum rotates at high speed to generate centrifugal force. The centrifugal force makes the grinding medium and the workpieces move in the drum groove in a complex manner, including lifting along the drum wall, falling, etc. On the one hand, the grinding medium and the workpieces, and the workpieces and the workpieces produce mutual friction and collision in the interior of the drum groove, and through the mechanical action, burrs, oxide layers, sharp edges, etc. on the surface of the workpieces are removed, so as to achieve the purpose of finishing machining and improving the surface quality of the workpieces. On the other hand, due to the multi-angle contact of the grinding medium with the workpieces during the movement, the workpieces can be uniformly machined at all positions.

[0003] The inner wall of the drum groove is relatively flat, and when the grinding medium and the workpieces move in the drum groove, the grinding medium and the workpieces at different positions cannot be fully mixed, which reduces the uniformity and efficiency of grinding. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a drum groove for centrifugal drum grinder to solve the defect that the grinding medium and the workpieces at different positions cannot be fully mixed when the grinding medium and the workpieces move in the drum groove, which reduces the uniformity and efficiency of grinding.

[0005] To achieve the above-mentioned purpose, a drum groove for centrifugal drum grinder is provided, which comprises a grinding drum, a rear cover plate is fixedly installed at one end of the grinding drum, a front cover plate is fixedly installed at the end of the grinding drum away from the rear cover plate, a drum groove body is formed in the interior of the grinding drum, a flow guide seat is fixedly arranged on the inner wall of the grinding drum, the grinding drum comprises side plates, a plurality of groups of perturbations are uniformly fixedly arranged on the side plates, a feeding door body is installed on the surface of the grinding drum, and a main shaft mounting cylinder is fixedly installed on the surface of the rear cover plate and the front cover plate.

[0006] Preferably, the grinding drum is made of a regular hexahedron structure of metal material, and the rear cover plate and the front cover plate on both sides of the grinding drum are regular hexagonal structures.

[0007] Preferably, the main shaft mounting cylinders on the surfaces of the rear cover plate and the front cover plate are cylindrical, a positioning hole is formed in the interior of the main shaft mounting cylinder, and the positioning hole is adapted to the size of the driving main shaft of the grinding machine.

[0008] Preferably, the surface of the rear cover plate and the front cover plate is uniformly provided with six groups of reinforcing ribs, and the reinforcing ribs are arranged in trapezoidal shape, and the ends of the six groups of reinforcing ribs are uniformly fixed on the surface of the circumferential outer wall of the main shaft mounting cylinder.

[0009] Preferably, the flow guide seat is arranged in spiral shape inside the grinding cylinder, and the cross section of the flow guide seat is circular, and a plurality of groups of reinforcing seats are uniformly arranged on the outer side of the grinding cylinder, and the distance between adjacent two groups of reinforcing seats is consistent, and the reinforcing seat is a regular hexagonal structure.

[0010] Preferably, a plurality of groups of disturbance groups are fixed on the six groups of side plates on the surface of the grinding cylinder, and the disturbance group comprises three groups of rectangular plates arranged in parallel, and the rectangular plates are fixed on the side plates.

[0011] Compared with the prior art, the utility model has the advantages of:

[0012] 1. The utility model discloses a grinding medium and workpiece move in the inside of the rotating motion grinding cylinder, the inside of the grinding cylinder is provided with the flow guide seat, the flow guide seat is arranged in spiral shape inside the grinding cylinder, when the grinding cylinder rotates, the flow guide seat can guide the grinding medium and workpiece to move in the spiral path in the drum, in the rotating process, the material ascends and descends along the spiral groove, so that the materials in different positions can be fully mixed, and the uniformity of grinding is improved.

[0013] 2. The utility model discloses a disturbance group comprising three groups of rectangular plates arranged in parallel, when the grinding cylinder rotates, the grinding medium and workpiece impact on the plurality of disturbance groups, so that the grinding medium and workpiece generate more collision and friction points in the movement process, when the grinding cylinder rotates, the plurality of disturbance groups make the movement track of the medium and workpiece more complex, thereby increasing the action times and intensity on the surface of the workpiece, accelerating the grinding speed, and improving the working efficiency of the grinding machine. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front view of the structure of the utility model.

[0015] Figure 2 It is the front view of the structure of the utility model.

[0016] Figure 3 It is the side view of the structure of the utility model.

[0017] Figure 4 It is the rear view of the structure of the utility model.

[0018] In the drawing, 1 is a grinding cylinder, 2 is a drum groove body, 3 is a rear cover plate, 4 is a front cover plate, 5 is a main shaft mounting cylinder, 6 is a positioning hole, 7 is a reinforcing rib, 8 is a flow guide seat, 9 is a side plate, 10 is a disturbance group, and 11 is a reinforcing seat. DETAILED DESCRIPTION

[0019] Please refer to Figures 1-4 The utility model provides a kind of drum groove for centrifugal type drum grinder, including grinding cylinder 1, one end of grinding cylinder 1 is fixedly installed with back cover plate 3, and the one end of grinding cylinder 1 away from back cover plate 3 is fixedly installed with front cover plate 4, while the inside of grinding cylinder 1 is provided with drum groove body 2, and the inner wall of grinding cylinder 1 is fixedly provided with flow guide seat 8, grinding cylinder 1 includes side plate 9, and side plate 9 is uniformly fixedly provided with multiple groups of disturbance group 10, while the surface of grinding cylinder 1 is installed with feeding door body, and the surface of back cover plate 3 and front cover plate 4 is fixedly installed with main shaft mounting cylinder 5.

[0020] As can be seen from the above, in use, the surface of the back cover plate 3 and the front cover plate 4 on the grinding cylinder 1 is fixedly installed with the main shaft mounting cylinder 5, the grinding machine drive spindle is inserted and fixed in the positioning hole 6 provided in the inside of the main shaft mounting cylinder 5, the drive spindle is driven to rotate by the driving motor, when the grinding cylinder 1 rotates, the grinding medium and the workpiece inside the grinding cylinder 1 and the workpiece and the workpiece inside the drum groove produce mutual friction and collision, and the burrs, oxidation layer and sharp edges on the surface of the workpiece are removed through this mechanical action, so as to achieve the purpose of finishing machining and improving the surface quality of the workpiece; when the grinding medium and the workpiece move inside the rotating grinding cylinder 1, the inside of the grinding cylinder 1 is provided with the flow guide seat 8, the flow guide seat 8 is provided in a spiral shape inside the grinding cylinder 1, and the flow guide seat 8 can guide the grinding medium and the workpiece to move in a spiral path inside the drum when the grinding cylinder 1 rotates; during the rotation process, the material rises and falls along the spiral groove, so that the materials at different positions can be fully mixed, improving the uniformity of grinding.

[0021] As a preferred embodiment, the grinding cylinder 1 is made of a metal material and has a regular hexagonal structure, and the back cover plate 3 and the front cover plate 4 on both sides of the grinding cylinder 1 are regular hexagonal structures.

[0022] As a preferred embodiment, the main shaft mounting cylinder 5 on the surface of the back cover plate 3 and the front cover plate 4 is provided in a cylindrical shape, and the inside of the main shaft mounting cylinder 5 is provided with the positioning hole 6, and the size of the positioning hole 6 is matched with the grinding machine drive spindle.

[0023] As a preferred embodiment, six groups of reinforcing ribs 7 are uniformly provided on the surface of the back cover plate 3 and the front cover plate 4, and the reinforcing ribs 7 are provided in a trapezoidal shape, and the end portions of the six groups of reinforcing ribs 7 are uniformly fixedly provided on the circumferential outer wall surface of the main shaft mounting cylinder 5.

[0024] As a preferred embodiment, the flow guide seat 8 is provided in a spiral shape inside the grinding cylinder 1, and the cross section of the flow guide seat 8 is provided in a circular shape, and multiple groups of reinforcing seats 11 are uniformly provided on the outside of the grinding cylinder 1, the distance between the adjacent two groups of reinforcing seats 11 is consistent, and the reinforcing seat 11 is a regular hexagonal structure.

[0025] As can be seen from the above, in use, the six groups of side plates 9 on the grinding cylinder 1 are uniformly provided with multiple groups of disturbance groups 10, the disturbance groups 10 include three groups of rectangular plates arranged in parallel, when the grinding cylinder 1 rotates, the grinding medium and the workpiece impact on the multiple groups of disturbance groups 10, so that the grinding medium and the workpiece generate more collision and friction points in the movement process; when the grinding cylinder 1 rotates, the multiple groups of disturbance groups 10 make the movement track of the medium and the workpiece more complex, thereby increasing the action times and intensity on the surface of the workpiece, accelerating the grinding speed, and improving the working efficiency of the grinding machine.

[0026] As a preferred embodiment, the six groups of side plates 9 on the surface of the grinding cylinder 1 are uniformly and fixedly provided with multiple groups of disturbance groups 10, the disturbance groups 10 include three groups of rectangular plates arranged in parallel, and the rectangular plates are fixedly arranged on the side plates 9.

[0027] Working principle: when in use, the surface of the rear cover plate 3 and the front cover plate 4 on the grinding cylinder 1 is fixedly installed with the main shaft installation cylinder 5, the grinding machine driving main shaft is inserted and fixed in the positioning hole 6 opened in the inside of the main shaft installation cylinder 5, the driving main shaft is driven and rotated by the driving motor, when the grinding cylinder 1 rotates, the grinding medium and the workpiece in the inside of the grinding cylinder 1, and the workpiece and the workpiece between them generate mutual friction and collision in the inside of the drum groove, through this mechanical action, the burrs, oxidation layer, sharp edges and the like on the surface of the workpiece are removed, so as to achieve the purpose of finishing machining and improving the surface quality of the workpiece; when the grinding medium and the workpiece move in the inside of the rotating grinding cylinder 1, the inside of the grinding cylinder 1 is provided with the flow guide seat 8, the flow guide seat 8 is spirally arranged in the inside of the grinding cylinder 1, when the grinding cylinder 1 rotates, the flow guide seat 8 can guide the grinding medium and the workpiece to move in the drum according to the spiral path; in the rotating process, the materials ascend and descend along the spiral groove, so that the materials at different positions can be fully mixed, and the uniformity of grinding is improved; the six groups of side plates 9 on the grinding cylinder 1 are uniformly provided with multiple groups of disturbance groups 10, the disturbance groups 10 include three groups of rectangular plates arranged in parallel, when the grinding cylinder 1 rotates, the grinding medium and the workpiece impact on the multiple groups of disturbance groups 10, so that the grinding medium and the workpiece generate more collision and friction points in the movement process; when the grinding cylinder 1 rotates, the multiple groups of disturbance groups 10 make the movement track of the medium and the workpiece more complex, thereby increasing the action times and intensity on the surface of the workpiece, accelerating the grinding speed, and improving the working efficiency of the grinding machine.

[0028] The embodiments of the utility model are given for example and description, although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary, and cannot be understood as the limitation of the utility model, the ordinary skilled person in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model.

Claims

1. A barrel slot for a centrifugal barrel mill, comprising a grinding barrel (1), characterized in that: One end of the grinding cylinder (1) is fixedly installed with a rear cover plate (3), and the other end of the grinding cylinder (1) is fixedly installed with a front cover plate (4) away from the rear cover plate (3), and the inside of the grinding cylinder (1) is provided with a roller groove body (2), and a flow guide seat (8) is fixedly arranged on the inner wall of the grinding cylinder (1), the grinding cylinder (1) comprises a side plate (9), and a plurality of groups of disturbance groups (10) are uniformly fixedly arranged on the side plate (9), and the surface of the grinding cylinder (1) is provided with a feeding door body, and the surfaces of the rear cover plate (3) and the front cover plate (4) are fixedly provided with a main shaft mounting cylinder (5).

2. A barrel groove for a centrifugal barrel finisher according to claim 1, characterized in that: The grinding cylinder (1) is made of metal material and has a regular hexagonal structure, and the rear cover plate (3) and the front cover plate (4) on both sides of the grinding cylinder (1) are regular hexagonal structures.

3. A barrel groove for a centrifugal barrel finisher according to claim 1, characterized in that: The main shaft mounting cylinder (5) on the surface of the rear cover plate (3) and the front cover plate (4) is in a cylindrical shape, and the inside of the main shaft mounting cylinder (5) is provided with a positioning hole (6), and the positioning hole (6) is matched with the size of the grinding machine driving main shaft.

4. A barrel groove for a centrifugal barrel finisher according to claim 3, characterized in that: The surfaces of the rear cover plate (3) and the front cover plate (4) are uniformly provided with six groups of reinforcing ribs (7), and the reinforcing ribs (7) are in a trapezoidal shape, and the end portions of the six groups of reinforcing ribs (7) are uniformly fixedly arranged on the circumferential outer wall surface of the main shaft mounting cylinder (5).

5. A barrel slot for a centrifugal barrel finisher as defined in claim 1, wherein: The flow guide seat (8) is in a spiral shape in the inside of the grinding cylinder (1), and the cross section of the flow guide seat (8) is in a circular shape, and a plurality of groups of reinforcing seats (11) are uniformly arranged on the outside of the grinding cylinder (1), and the distance between the adjacent two groups of reinforcing seats (11) is consistent, and the reinforcing seat (11) is in a regular hexagonal structure.

6. A barrel groove for a centrifugal barrel finisher according to claim 1, characterized in that: A plurality of groups of disturbance groups (10) are fixedly arranged on the six groups of side plates (9) on the surface of the grinding cylinder (1), and the disturbance group (10) comprises three groups of rectangular pieces arranged in parallel, and the rectangular pieces are fixedly arranged on the side plate (9).