Centerless grinding machining equipment for one-time grinding forming

By designing centerless grinding processing equipment, using the double-support grinding wheel spindle and spindle motor drive, a grinding and forming of the rack is achieved, solving the problems of large equipment footprint, high tool auxiliary cost and high labor intensity of operators in the prior art, saving resources and improving processing efficiency.

CN222679711UActive Publication Date: 2025-03-28SHANGHAI KOAL AUTOMOBILE ACCESSORY CO LTD
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Patent Information

Application Number
CN202323234850.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-11-29
Publication Date
2025-03-28
Estimated Expiration
2033-11-29

AI Technical Summary

Technical Problem

The existing rack grinding technology requires multiple equipment combinations for wire processing, resulting in large area of ​​equipment, high cost of tool auxiliary tools, high labor intensity for operators, and inability to achieve one-piece grinding and forming.

Method used

A centerless grinding processing equipment is designed, including the bed, grinding wheel frame, guide wheel frame, grinding wheel, guide wheel and pallet. Through the double-supported design of the grinding wheel spindle and the spindle motor drive, the high-speed rotation of the grinding wheel and the circumferential feed of the workpiece is realized.

Benefits of technology

The grinding and forming of racks for a single equipment is realized, saving the number of equipment and usage sites, reducing the amount of tool auxiliary and oil products, reducing the labor intensity of operators, and improving the convenience of product adjustment and quality control.

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    Figure CN222679711U_ABST
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Abstract

The utility model relates to centerless grinding machining equipment for one-time grinding forming. The centerless grinding machining equipment comprises a lathe bed, a grinding wheel frame, a guide wheel frame, a grinding wheel, a guide wheel and a supporting plate. The grinding wheel frame and the guide wheel frame are arranged on the lathe bed; the grinding wheel is arranged on the grinding wheel frame, and the guide wheel is arranged on the guide wheel frame. The supporting plate is arranged between the grinding wheel and the guide wheel. Compared with the prior art, the utility model has the advantages that the cost is saved, the number of used equipment, the temporary use field of the equipment and the use amount of cutter auxiliary and oil products are saved, the labor intensity of staff is reduced, and multiple pieces of equipment do not need to be adjusted back and forth.
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Description

Technical Field

[0001] The utility model relates to the technical field of rack processing, in particular to a centerless grinding processing equipment for one-step grinding and forming. Background Art

[0002] Fine grinding is a very important process in rack machining, which requires multiple devices to be combined for online processing, resulting in large equipment footprint, high tool and auxiliary costs, and high labor intensity for operators.

[0003] Patent CN205600064U discloses a rack grinding tool, including a driving gear, a driven gear, an eccentric wheel shaft, a sliding assembly, a rack bracket, and a grinding wheel. The output shaft of the driven gear is provided with a coupling, and the coupling is connected to the eccentric wheel shaft. The eccentric wheel shaft is provided with an eccentric wheel. The sliding assembly is connected to a rack bracket used in conjunction with the rack. The sliding assembly includes a slider, a slide plate, a dovetail slider arranged at both ends of the slider, a top plate frame arranged at the upper end of the slider, a rack bracket arranged at the front end of the slider, and a dovetail guide rail arranged on the slide plate for use in conjunction with the dovetail slider. By arranging the eccentric wheel shaft and the slider up and down, the front and rear space can be effectively saved, thereby increasing the grinding wheel space. The two eccentric wheels are provided to improve the stability of the movement, but other equipment is still required to cooperate in online processing, and one-step grinding forming cannot be achieved. Utility Model Content

[0004] The purpose of the utility model is to overcome the defects of the above-mentioned prior art and provide a centerless grinding equipment for one-step grinding and forming, which saves costs, saves the number of equipment used, the temporary use site of equipment, the amount of knife aids and oil products used, reduces the labor intensity of employees, and does not require multiple equipment to be adjusted back and forth.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] The utility model provides a centerless grinding processing equipment for one-step grinding and forming, comprising: a bed, a grinding wheel frame, a guide wheel frame, a grinding wheel, a guide wheel, and a supporting plate;

[0007] The grinding wheel frame and guide wheel frame are both installed on the bed, and the bed is formed by integral casting.

[0008] The grinding wheel is arranged on the grinding wheel frame, and the guide wheel is arranged on the guide wheel frame;

[0009] The support plate is arranged in the middle position between the grinding wheel and the guide wheel.

[0010] The grinding wheel is used for grinding the workpiece, the support plate is used for supporting the workpiece, and the guide wheel is used for supporting the workpiece and driving the workpiece to rotate for circular feeding. The grinding wheel, the support plate and the guide wheel work together to achieve a grinding process.

[0011] The grinding wheel spindle is a double-support type grinding wheel spindle; the double-support type grinding wheel spindle is used to support and drive the rotational movement of the grinding wheel. It consists of two support assemblies, which are located at the front and rear positions of the spindle respectively to provide more stable and balanced grinding wheel operation, and has high rigidity and stability.

[0012] Furthermore, the grinding wheel is a grinding wheel, and the grinding wheel has a high grinding force.

[0013] Furthermore, a grinding wheel spindle is arranged on the central axis of the grinding wheel.

[0014] Furthermore, both ends of the grinding wheel spindle are connected to rolling bearings provided on the grinding wheel frame.

[0015] Furthermore, the support plate is a hard alloy support plate spliced ​​in two sections.

[0016] Furthermore, the grinding wheel spindle is connected to a spindle motor provided on the grinding wheel frame, and the spindle motor is a 75KW spindle motor.

[0017] Furthermore, a grinding wheel dresser is provided on the grinding wheel frame for dressing and repairing the grinding wheel.

[0018] Furthermore, a guide wheel trimmer is provided on the guide wheel frame for trimming and repairing the guide wheel.

[0019] Furthermore, a feed hand wheel is provided on one side of the bed for adjusting the feed amount of the workpiece on the grinding wheel.

[0020] Working principle: Place the workpiece between the grinding wheel and the guide wheel, support the workpiece with the support plate and the guide wheel, the spindle motor drives the grinding wheel to rotate at high speed for grinding, the guide wheel rotates at a slower speed in the same direction as the grinding wheel, driving the workpiece to rotate for circular feed, the operator can control the feed speed and depth of the workpiece on the grinding wheel by rotating the feed handwheel, and achieve axial feed of the workpiece by adjusting the small inclination angle of the guide wheel axis.

[0021] Compared with the prior art, the utility model has the following advantages:

[0022] (1) The utility model saves the number of equipment used, thereby saving the temporary use space for equipment, the amount of knife aids and oil products used, and saving costs.

[0023] (2) The labor intensity of employees is reduced (from one person working on multiple machines to one person working on one machine), and there is no need to adjust multiple devices back and forth.

[0024] (3) The one-person-stand-alone processing mode makes it easier for operators to adjust products and control product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of a centerless grinding equipment for one-step grinding.

[0026] Figure 2 It is a schematic diagram of the structure of the grinding wheel, guide wheel and support plate.

[0027] Figure numerals: 1-bed; 2-feed hand wheel; 3-grinding wheel dresser; 4-grinding wheel frame; 5-support plate; 6-guide wheel dresser; 7-guide wheel frame; 8-grinding wheel; 9-guide wheel. DETAILED DESCRIPTION

[0028] The following is a detailed description of the present invention in conjunction with the accompanying drawings and specific embodiments. Component models, material names, connection structures, control methods, algorithms and other features not clearly described in this technical solution are all considered to be common technical features disclosed in the prior art. Example 1

[0029] This embodiment provides a centerless grinding device for grinding and forming. Figure 1 , Figure 2 As shown, it includes: a bed 1, a grinding wheel frame 4, a guide wheel frame 7, a grinding wheel 8, a guide wheel 9, and a support plate 5;

[0030] The grinding wheel frame 4 and the guide wheel frame 7 are both arranged on the bed 1, and the bed 1 is an integral casting casting bed 1;

[0031] A grinding wheel 8 is arranged on the grinding wheel frame 4, and the grinding wheel 8 has a high grinding force. A guide wheel 9 is arranged on the guide wheel frame 7;

[0032] The support plate 5 is arranged at the middle position between the grinding wheel 8 and the guide wheel 9, and the support plate 5 is a cemented carbide support plate spliced ​​in two sections.

[0033] The grinding wheel is used for grinding the workpiece, the support plate 5 is used for supporting the workpiece, and the guide wheel 9 is used for supporting the workpiece and driving the workpiece to rotate for circular feeding. The grinding wheel, the support plate 5, and the guide wheel 9 work together to achieve a grinding process;

[0034] A double-support type grinding wheel spindle is provided on the central axis of the grinding wheel 8. The double-support type grinding wheel spindle is used to support and drive the rotation of the grinding wheel 8. It is composed of two support components, which are respectively located at the front and rear positions of the spindle to provide a more stable and balanced operation of the grinding wheel 8, and has high rigidity and stability. Both ends of the double-support type grinding wheel spindle are connected to rolling bearings provided on the grinding wheel frame 4, and the double-support type grinding wheel spindle is connected to a 75KW spindle motor provided on the grinding wheel frame 4.

[0035] In a specific embodiment, a grinding wheel dresser 3 is provided on the grinding wheel frame 4 for dressing and repairing the grinding wheel 8, and a guide wheel dresser 6 is provided on the guide wheel frame 7 for dressing and repairing the guide wheel 9. A feed handwheel 2 is provided on one side of the bed 1, and the feed handwheel 2 adjusts the center height and grinding amount of the workpiece by adjusting the position of the guide wheel 9, and the feed handwheel 2 adjusts the processing speed of the workpiece by adjusting the angle and rotation speed of the guide wheel 9.

[0036] Working principle: Place the workpiece between the grinding wheel 8 and the guide wheel 9, support the workpiece with the support plate 5 and the guide wheel 9, the spindle motor drives the grinding wheel to rotate at high speed for grinding, the guide wheel 9 rotates at a slower speed in the same direction as the grinding wheel 8, driving the workpiece to rotate for circular feeding, the operator can control the feed speed and depth of the workpiece on the grinding wheel 8 by rotating the feed handwheel 2, and realize the axial feeding of the workpiece by adjusting the small inclination angle of the axis of the guide wheel 9.

[0037] The above description of the embodiments is to facilitate the understanding and use of the utility model by those skilled in the art. It is obvious that those familiar with the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without creative work. Therefore, the utility model is not limited to the above embodiments, and improvements and modifications made by those skilled in the art based on the disclosure of the utility model without departing from the scope of the utility model should be within the scope of protection of the utility model.

Claims

1. A centerless grinding equipment for one-step grinding, characterized in that: include: Bed (1), grinding wheel frame (4), guide wheel frame (7), grinding wheel, guide wheel (9), support plate (5); The grinding wheel frame (4) and the guide wheel frame (7) are both arranged on the bed (1); The grinding wheel is arranged on the grinding wheel frame (4), and the guide wheel (9) is arranged on the guide wheel frame (7); The support plate (5) is arranged at a middle position between the grinding wheel and the guide wheel (9); The grinding wheel is used for grinding a workpiece, the support plate (5) is used for supporting the workpiece, and the guide wheel (9) is used for supporting the workpiece and driving the workpiece to rotate for circular feeding, and the grinding wheel, the support plate (5) and the guide wheel (9) work together to achieve a grinding process; The grinding wheel spindle is a double-supported grinding wheel spindle; A feed hand wheel (2) is provided on one side of the bed (1) for adjusting the amount of grinding of the workpiece on the grinding wheel.

2. A centerless grinding equipment for one-step grinding and forming according to claim 1, characterized in that: The grinding wheel is a grinding wheel (8).

3. The centerless grinding equipment for one-step grinding and forming according to claim 1, characterized in that: A grinding wheel spindle is arranged on the central axis of the grinding wheel.

4. The centerless grinding equipment for one-step grinding and forming according to claim 1, characterized in that: Both ends of the grinding wheel spindle are connected to rolling bearings provided on the grinding wheel frame (4).

5. The centerless grinding equipment for one-step grinding and forming according to claim 1, characterized in that: The support plate (5) is a hard alloy support plate formed by splicing two sections.

6. The centerless grinding equipment for one-step grinding and forming according to claim 1, characterized in that: It also includes a spindle motor arranged on the grinding wheel frame (4), and the spindle motor is connected to the grinding wheel spindle.

7. The centerless grinding equipment for one-step grinding and forming according to claim 1, characterized in that: The grinding wheel frame (4) is provided with a grinding wheel dresser (3) for dressing and repairing the grinding wheel.

8. The centerless grinding equipment for one-step grinding and forming according to claim 1, characterized in that: The guide wheel frame (7) is provided with a guide wheel dresser (6) for dressing and repairing the guide wheel (9).

Citation Information

Patent Citations

  • Rack grinding frock

    CN205600064U