Inner hole grinding device for parts
By introducing guide rails, mobile frames, motors and height adjustment mechanisms into the inner hole grinding device, the precise positioning of the grinding head and flexible fixing of the workpiece are achieved, which solves the problems of low efficiency and insufficient applicability of the traditional inner hole grinding method, and improves the Processing efficiency and accuracy.
Patent Information
- Application Number
- CN202420657664.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-01
AI Technical Summary
The traditional inner hole grinding method has low efficiency, difficult to guarantee the accuracy, and the mechanical device is insufficient to adapt to workpieces of different sizes and shapes.
A inner hole grinding device including guide rails, mobile racks, motors, turntables, height adjustment mechanisms and clamping mechanisms is designed. The precise positioning of the grinding head and flexible fixing of the workpiece are achieved through cylinder drive, ensuring efficient rotation of the grinding head and workpieces. stable clamping.
It improves grinding efficiency and accuracy, adapts to workpieces of different sizes and shapes, reduces the risk of workpiece damage and poor processing, and improves production efficiency and product quality.
Smart Images

Figure CN222134373U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of parts processing, and in particular relates to an inner hole grinding device for parts. Background Art
[0002] In the field of mechanical processing, especially in the processing of precision parts, the grinding of inner holes is an important link. The traditional method of inner hole grinding mainly relies on manual operation or simple mechanical devices, which has a series of problems. First, manual grinding is inefficient and it is difficult to ensure the uniformity and accuracy of grinding, especially when processing large quantities or high-precision workpieces. This problem is particularly prominent. Secondly, simple mechanical devices often cannot adapt to workpieces of different sizes or shapes, and their applicability and flexibility are insufficient. These problems limit the improvement of production efficiency and the stability of product quality.
[0003] In the prior art, although there are various designs of inner hole grinding devices, these devices often have disadvantages such as complex structure, difficult adjustment, and limited application range. For example, some devices require cumbersome manual operation when adjusting the contact between the grinding head and the inner hole wall of the workpiece, which not only increases the labor intensity but also affects the grinding accuracy. Therefore, there is an urgent need for an inner hole grinding device with a simple structure, convenient operation, and strong adaptability to meet the modern high-efficiency and precision production requirements. Utility Model Content
[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide an inner hole grinding device for parts, which can realize fast and accurate fixing and grinding of workpieces of different sizes.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A device for grinding inner holes of parts, comprising a bottom plate, a guide rail symmetrically arranged on the upper end surface of the bottom plate, a moving frame slidably connected to the guide rail, and a first cylinder arranged at one end of the guide rail, wherein the telescopic end of the first cylinder is connected to the bottom of one side of the moving frame;
[0007] A motor is arranged on the outer side of the top of the moving frame, and a turntable is arranged on the bottom of the other side of the moving frame, and a belt is arranged between the motor and the turntable;
[0008] A height adjustment mechanism is arranged at one end of the bottom plate, and a clamping mechanism is movably connected to the top of the height adjustment mechanism, and the clamping mechanism is used to clamp the workpiece to be polished.
[0009] Furthermore, the height adjustment mechanism comprises a support plate, and a second cylinder is disposed on an upper end surface of the support plate.
[0010] Furthermore, the clamping mechanism includes a lifting platform, the telescopic end of the second cylinder is connected to the bottom of the lifting platform, the upper end surface of the support plate is symmetrically fixedly connected with a guide column, and the guide column runs through the lifting platform.
[0011] Furthermore, the upper end surface of the lifting platform is symmetrically fixedly connected with an axle seat, and supporting columns are symmetrically arranged between the axle seats.
[0012] Furthermore, a vertical plate is fixedly connected above one end of the lifting platform, a horizontal plate is fixedly connected to one side of the top of the vertical plate, a third cylinder is fixedly connected below one end of the horizontal plate, and a downward pressing piece is provided at the telescopic end of the third cylinder.
[0013] Furthermore, an arc-shaped groove is provided at the bottom of the pressing member.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] By setting up the structure of the guide rail and the moving frame, and using the first cylinder in coordination, the grinding head can be accurately positioned and stably moved, effectively solving the problem of accuracy and uniformity that cannot be guaranteed by manual operation in the traditional inner hole grinding method. This design not only improves the grinding efficiency, but also ensures the processing quality, and is particularly suitable for large-scale and high-precision workpiece processing.
[0016] The motor and turntable are combined with the belt to ensure efficient and even rotation of the grinding head. This design makes the grinding process smoother, improves the grinding effect, and reduces the risk of workpiece damage or poor processing caused by uneven grinding.
[0017] The innovative design of the height adjustment mechanism and the clamping mechanism, especially the combined use of the second cylinder and the lifting platform, provides flexible adjustment of the height and position of the workpiece. This design can adapt to workpieces of different sizes and shapes, improves the applicability and flexibility of the device, and thus solves the problem of insufficient adaptability of mechanical devices in the prior art.
[0018] The introduction of the lower pressure piece and its arc groove design enable the device to effectively adapt to and fix workpiece surfaces with different curvatures. This not only enhances the stable clamping of the workpiece, but also improves the accuracy and reliability of the grinding operation, further improving the quality and efficiency of product processing. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the structure of the bottom plate of the utility model;
[0021] Figure 3 It is a structural schematic diagram of the height adjustment mechanism of the utility model;
[0022] Figure 4 It is a structural schematic diagram of the clamping mechanism of the utility model.
[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0024] 1. Bottom plate; 11. Guide rail;
[0025] 2. First cylinder;
[0026] 3. Mobile rack;
[0027] 4. Motor; 41. Belt;
[0028] 5. Turntable;
[0029] 6. Height adjustment mechanism;
[0030] 61. Support plate; 611. Guide column; 62. Second cylinder;
[0031] 7. Clamping mechanism; 71. Lifting platform; 72. Axle seat; 721. Supporting column; 73. Vertical plate; 731. Horizontal plate; 74. Third cylinder; 75. Pressing member. DETAILED DESCRIPTION
[0032] In order to make the purpose and advantages of the utility model more clear, the utility model is specifically described in combination with the following embodiments. It should be understood that the following text is only used to describe one or several specific implementations of the utility model, and does not strictly limit the protection scope of the specific request of the utility model.
[0033] See also Figure 1-4 A device for grinding inner holes of parts comprises a bottom plate 1, a guide rail 11 is symmetrically arranged on the upper end surface of the bottom plate 1, a moving frame 3 is slidably connected to the guide rail 11, and a first cylinder 2 is arranged at one end of the guide rail 11, and the telescopic end of the first cylinder 2 is connected to the bottom of one side of the moving frame 3; this design enables the moving frame 3 to move smoothly along the guide rail 11 to meet the grinding requirements of different positions, and at the same time, the driving of the first cylinder 2 makes the position adjustment of the entire moving frame 3 simple and efficient; a motor 4 is arranged on the outer side of the top of the moving frame 3, and the moving frame 3 is A turntable 5 is provided at the bottom of the other side of the frame 3, and a belt 41 is provided between the motor 4 and the turntable 5; the motor 4 drives the turntable 5 to rotate through the belt 41, and then drives the grinding head to perform efficient grinding operations; a height adjustment mechanism 6 is provided at one end of the base plate 1, and a clamping mechanism 7 is movably connected to the top of the height adjustment mechanism 6, and the clamping mechanism 7 is used to clamp the workpiece to be ground; the height adjustment mechanism 6 allows the position of the clamping mechanism 7 to be flexibly adjusted to adapt to workpieces of different heights, thereby ensuring the precise docking of the grinding head with the inner hole of the workpiece.
[0034] See also Figure 3-4 The height adjustment mechanism 6 includes a support plate 61, and a second cylinder 62 is arranged on the upper end surface of the support plate 61; the second cylinder 62 provides power support for the lifting platform 71, making it convenient and quick to adjust the height of the workpiece.
[0035] See also Figure 3-4 The clamping mechanism 7 includes a lifting platform 71, the telescopic end of the second cylinder 62 is connected to the bottom of the lifting platform 71, and the upper end surface of the support plate 61 is symmetrically fixedly connected with a guide column 611, which runs through the lifting platform 71; the design of the guide column 611 ensures the stability and accuracy of the lifting platform 71 when moving up and down, thereby ensuring the accuracy of the workpiece position during the grinding process.
[0036] See also Figure 3-4 The upper end surface of the lifting platform 71 is symmetrically fixedly connected with an axle seat 72, and supporting columns 721 are symmetrically arranged between the axle seats 72; the design of the supporting columns 721 allows them to adapt to workpieces of different sizes, providing stable support for the workpieces, so that the workpieces remain fixed during the grinding process.
[0037] See also Figure 3 A vertical plate 73 is fixedly connected to the top of one end of the lifting platform 71, a horizontal plate 731 is fixedly connected to the top side of the vertical plate 73, a third cylinder 74 is fixedly connected to the bottom of one end of the horizontal plate 731, and a pressing piece 75 is provided at the telescopic end of the third cylinder 74; the pressing piece 75 is driven by the third cylinder 74 to move downward to clamp the workpiece placed between the supporting columns 721, thereby ensuring the stability and accuracy of the workpiece during the grinding process.
[0038] See also Figure 3 An arc groove is provided at the bottom of the pressing member 75; the design of the arc groove enables the pressing member 75 to better adapt to workpieces of different shapes and provide uniform pressure distribution, thereby avoiding damage to the workpiece during the grinding process.
[0039] The working principle of the utility model is:
[0040] When in use, the workpiece to be polished is placed between the two supporting columns 721, and then the third cylinder 74 drives the lower pressing member 75 to approach the workpiece placed on the supporting columns 721. As the lower pressing member 75 approaches, the workpiece to be polished is clamped between the lower pressing member 75 and the supporting columns 721.
[0041] Then the grinding head is installed on the turntable 5, and then, under the drive of the first cylinder 2, the grinding head installed on the turntable 5 is extended into the inner hole of the workpiece to be ground, and then, under the drive of the second cylinder 62, the height of the clamping mechanism 7 is adjusted to make the grinding head fit the inner hole wall of the workpiece;
[0042] Then, driven by the motor 4 and in cooperation with the belt 41, the turntable 5 is driven to rotate, thereby driving the grinding head installed on the turntable 5 to rotate, and then the grinding head can grind the inner hole of the workpiece;
[0043] By providing the supporting column 721 and the pressing member 75, workpieces of different sizes can be fixed; and with the cooperation of the second cylinder 62 and the lifting platform 71, the position of the workpiece can be flexibly adjusted, so that the grinding head can grind inner holes of different diameters.
[0044] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.
Claims
1. A device for grinding inner holes of parts, comprising a base plate (1), characterized in that: A guide rail (11) is symmetrically arranged on the upper end surface of the bottom plate (1), a movable frame (3) is slidably connected to the guide rail (11), and a first cylinder (2) is arranged at one end of the guide rail (11), and a telescopic end of the first cylinder (2) is connected to the bottom of one side of the movable frame (3); A motor (4) is arranged on the outer side of the top of the moving frame (3), and a turntable (5) is arranged on the bottom of the other side of the moving frame (3), and a belt (41) is arranged between the motor (4) and the turntable (5); A height adjustment mechanism (6) is provided at one end of the base plate (1), and a clamping mechanism (7) is movably connected to the top of the height adjustment mechanism (6), and the clamping mechanism (7) is used to clamp a workpiece to be polished.
2. The inner hole grinding device of a part according to claim 1, characterized in that: The height adjustment mechanism (6) comprises a support plate (61), and a second cylinder (62) is provided on the upper end surface of the support plate (61).
3. The inner hole grinding device of a part according to claim 2, characterized in that: The clamping mechanism (7) comprises a lifting platform (71), the telescopic end of the second cylinder (62) is connected to the bottom of the lifting platform (71), the upper end surface of the support plate (61) is symmetrically fixedly connected with a guide column (611), and the guide column (611) passes through the lifting platform (71).
4. The inner hole grinding device of a part according to claim 3, characterized in that: The upper end surface of the lifting platform (71) is symmetrically fixedly connected with an axle seat (72), and supporting columns (721) are symmetrically arranged between the axle seats (72).
5. The inner hole grinding device of a part according to claim 4, characterized in that: A vertical plate (73) is fixedly connected above one end of the lifting platform (71), a horizontal plate (731) is fixedly connected to one side of the top of the vertical plate (73), a third cylinder (74) is fixedly connected below one end of the horizontal plate (731), and a downward pressing piece (75) is provided at the telescopic end of the third cylinder (74).
6. The inner hole grinding device of a part according to claim 5, characterized in that: The bottom of the pressing member (75) is provided with an arc groove.
