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High-smoothness grinding machine for inner hole of straight hole

A high-gloss, grinding machine technology, applied in the direction of grinding machine tools, grinding tools, grinding devices, etc., can solve the problems of low processing efficiency, high processing cost of straight holes and inner holes, etc., achieve low single machine cost, improve grinding effect, and improve processing efficiency Effect

Active Publication Date: 2021-06-08
青岛毅峰盛机械设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a straight hole inner hole high smoothness grinding machine, which can solve the problems of high processing cost and low processing efficiency in the prior art when the straight hole inner hole is polished.

Method used

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  • High-smoothness grinding machine for inner hole of straight hole
  • High-smoothness grinding machine for inner hole of straight hole
  • High-smoothness grinding machine for inner hole of straight hole

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as Figure 1 to Figure 4 As shown, a straight hole inner hole high-gloss grinding machine provided by the embodiment of the present invention includes: a support 00; a grinding shaft 10, one end of which has a grinding head 1031 for grinding the inner hole of a workpiece; a driving device , which includes a power unit and a drive ring 11, and the drive ring 11 is fixedly arranged on the support 00, such as figure 2 As shown, the grinding shaft 10 at least includes a grinding section 103, a screw section 101 and a spline section 102 arranged in sequence, and the screw section 101 is a driving screw; hole, when the grinding shaft 10 rotates, the drive ring 11 drives the grinding shaft 10 to move axially;

[0036] The power device includes a drive motor 20 and a power ring 23, the power ring 23 is provided with an internal spline matched with the spline section 102, and the spline section 102 is provided with an external spline, and the internal spline cooperates wi...

Embodiment 2

[0040] On the basis of Example 1, due to the small machining allowance and high dimensional accuracy requirements during grinding, frequent inspection after grinding is required, which reduces the processing and inspection efficiency, such as Figure 7 As shown, therefore the grinding section 103 includes a step-off section 1081, a pass-through section 1082 and a pass-through section 1083. The diameter of the pass-through section 1081 is smaller than the diameter of the inner hole of the workpiece, and the outer diameter of the pass-through section 1082 is the lower diameter of the inner hole of the workpiece. The limit value, the outer diameter of the no-pass section 1083 is the upper limit of the diameter of the inner hole of the workpiece, and the diameter of the relief section 1081 is smaller than the diameter of the relief section 1081. During the grinding process, if the grinding size exceeds the inspection section 1082, the inspection section 1082 can enter, indicating t...

Embodiment 3

[0044] On the basis of Embodiment 1 or 2, since the grinding head 1031 with a fixed size is used for many times, the outer diameter of the grinding head 1031 will become smaller, resulting in a smaller diameter of the grinding hole, and it is necessary to replace the new grinding head 1031 frequently. , resulting in higher processing costs, so in this embodiment, such as Figure 5 and Figure 6 As shown, the grinding head 1031 includes a support block 12, a connecting rod 105, an elastic pad 107 and a grinding layer 106, the support block 12 is connected to one end of the grinding shaft 10 through the connecting rod 105, and an air inlet 104 is provided in the grinding shaft 10 , an air intake pipe 30 is externally connected to the end of the air intake hole 104 along the advancing direction of grinding, as Figure 6 As shown, the elastic pad 107 is a ring structure, and its two ends are respectively sealed and connected to the grinding shaft 10 and the support block 12. The ...

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Abstract

The invention discloses a high-smoothness grinding machine for an inner hole of a straight hole, and belongs to the field of machining. The high-smoothness grinding machine comprises a support, a grinding shaft and a driving device; a grinding head is arranged at one end of the grinding shaft and used for grinding an inner hole of the workpiece; the driving device comprises a power device and a driving ring, the driving ring is fixedly arranged on the support, and the grinding shaft at least comprises a grinding section, a lead screw section and a spline section; a threaded hole matched with the lead screw section is formed in the driving ring, and when the grinding shaft rotates, the driving ring drives the grinding shaft to move in the axial direction; and the power device comprises a driving motor and a power ring, the power ring is provided with an inner spline matched with the spline section, the driving motor is used for driving the power ring to rotate, and when the power ring rotates, the grinding shaft is driven to rotate. According to the high-smoothness grinding machine, turnover grinding and feeding grinding are synchronously carried out, so that the grinding effect is improved; and the high-smoothness grinding machine is simple in structure and low in single-machine cost.

Description

technical field [0001] The invention relates to the field of machining, in particular to a grinding machine with straight holes and inner holes with high smoothness. Background technique [0002] In the field of product processing, it is a common processing method to process the inner hole of the product. For some precision parts, there are high requirements on the precision size of the inner hole and the surface roughness. Generally, for external dimensions, such as the outer diameter of rods or parts, which are easy to process, the dimensional accuracy can be effectively guaranteed by grinding machines. However, for the inner hole, due to the inconvenience of controlling the feed and the small machining allowance, it is easy to cause unqualified products due to problems such as improper feed control and residual burrs after processing during finishing. Traditional equipment such as inner hole grinding machines and inner hole polishing machines have high cost per machine ...

Claims

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Application Information

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IPC IPC(8): B24B37/02B24B37/11B24B37/34B24B47/14B24B41/04
CPCB24B37/02B24B37/11B24B37/34B24B47/14B24B41/04Y02P70/10
Inventor 党晓宏
Owner 青岛毅峰盛机械设备有限公司
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