Turning shock absorber device of numerical control lathe

Abstract

The utility model relates to the technical field of numerical control lathes, in particular to a numerical control lathe turning shock absorber device which comprises a fixing plate, an upper shock absorber and a lower shock absorber, the fixing plate is provided with a spring positioning pin, a positioning rotating column and a shock absorption block body positioning pin, and a main body of the upper shock absorber and a main body of the lower shock absorber are shock absorption block bodies. The damping block body is connected with the spring positioning pin through the connecting spring and is in clearance fit with the positioning rotating column. By means of the shock absorber turning device of the numerical control lathe, the chatter mark condition occurring in the brake disc machining process can be avoided, the shock absorber turning device can adapt to brake discs of different thicknesses, the machining quality is improved, and the rejection rate of brake disc machining is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control lathe technical field, concretely relates to a numerical control lathe turning damper device. BACKGROUND

[0002] The brake disc is a very important part in the braking system, the rotating brake disc and the brake pad are rubbed to produce the braking force, and the deceleration or parking effect is played, therefore the quality of brake disc is directly related to the life safety of the car owner.

[0003] In the production process of brake disc, the surface of brake disc needs to be polished, and in the traditional polishing cutter tower, only double-knife clamping is adopted in each station, and vibration phenomenon often occurs in the process, which affects the workpiece quality and causes the generation of internal waste products. Therefore, the numerical control lathe turning damper device is provided, and the problem of high waste rate in the production process of brake disc is solved. SUMMARY

[0004] In the existing brake disc production process, vibration phenomenon often occurs, and the waste rate is high, in order to overcome the defects of the prior art, the numerical control lathe turning damper device is provided, the probability of vibration is reduced, the waste rate of brake disc is reduced, and the quality of product is improved.

[0005] The technical scheme adopted by the utility model to solve the technical problems is: a numerical control lathe turning damper device, comprising a fixed plate and an upper and lower damper, the fixed plate is provided with a spring positioning pin, a positioning rotary column and a damper block main body positioning pin; the main body of the upper and lower damper is a damper block main body, the damper block main body is connected with the spring positioning pin through a connecting spring, and the damper block main body and the positioning rotary column are gap matched.

[0006] As a preferred technical scheme of the utility model, the end of the damper block main body is provided with a CBN grinding head, the CBN grinding head is a spring pin mechanism, there is a spring and a top wire mechanism inside, and the whole is a threaded tightening structure.

[0007] By adopting the above technical scheme, the grinding head made of CBN material has good wear resistance and long service life, and will not cause damage to the workpiece, and by further adjusting the structure of the CBN grinding head, the stability of the CBN grinding head support during machining can be improved.

[0008] As a preferred technical scheme of the utility model, a row of threaded holes are arranged at the damper block main body positioning pin, the damper block main body positioning pin is in contact with the damper block main body, and the damper block main body positioning pin is located at the groove of the damper block main body.

[0009] Adopting the technical scheme, the shock block main body positioning pin can fix the position of the CBN grinding head, guaranteeing the stability in the machining process, and by adjusting the position of the shock block main body positioning pin, different thicknesses of brake discs can be adapted.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The numerical control lathe turning damper device is installed on the fine turning hydraulic tool holder of the vertical lathe, the CBN grinding head simultaneously turns and machines two sides of the brake disc, the machining time is shortened, and the repairing rotation of the connecting spring and the positioning rotating column avoids the vibration mark phenomenon in the brake disc machining process, and the machining quality is improved; the shock block main body positioning pin can limit the position of the CBN grinding head, and the position of the shock block main body positioning pin can be adjusted to adapt to brake discs of different thicknesses; the CBN grinding head has good wear resistance and long service life, and will not damage the workpiece surface, and the CBN grinding head is a spring pin mechanism, and further adjusting the structure of the CBN grinding head can improve the stability of the CBN grinding head support during machining. BRIEF DESCRIPTION OF DRAWINGS

[0012] The drawings described herein are used to provide further understanding of the present application, form a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0013] Fig. 1 is a schematic view of the utility model three-dimensional structure;

[0014] Fig. 2 is a schematic view of the utility model overall front structure.

[0015] In the drawing: 1, upper and lower shock absorbers; 2, connecting spring; 3, spring positioning pin; 4, shock block main body; 5, positioning rotating column; 6, shock block main body positioning pin; 7, CBN grinding head; 8, fixed plate. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be clearly and completely explained below in combination with the drawings in the embodiments of the present application.

[0017] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and does not mean to particularly indicate the order or sequence, nor to limit the present application, which is only to distinguish the components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor in the protection scope required by the present application.

[0018] Embodiment: As shown in Figures 1-2, the present application is a kind of numerical control lathe turning shock absorber device, including fixed plate 8 and upper and lower shock absorber 1, fixed plate 8 is provided with spring positioning pin 3, positioning rotary column 5 and shock absorber block body positioning pin 6;The main body of upper and lower shock absorber 1 is shock absorber block body 4, shock absorber block body 4 is connected with spring positioning pin 3 through connecting spring 2, shock absorber block body 4 and positioning rotary column 5 are gap fit.

[0019] Among them, the end of shock absorber block body 4 is provided with CBN grinding head 7, CBN grinding head 7 is spring pin mechanism, there are spring and top wire mechanism inside, the whole is screwed tightly.

[0020] Among them, shock absorber block body positioning pin 6 is provided with a row of threaded holes, shock absorber block body positioning pin 6 contacts with shock absorber block body 4, and shock absorber block body positioning pin 6 is located at the recess of shock absorber block body.

[0021] The working principle and method of the present application will be further described below:

[0022] In use, first, the tool is adjusted, the overall height of the numerical control lathe turning shock absorber device is adjusted using a flat wrench to correspond to the height of the brake disc;The distance between CBN grinding heads is changed by adjusting the position of shock absorber block body positioning pin to adapt to brake discs of different thicknesses.

[0023] After the tool is adjusted, the tension of the connecting spring is adjusted using a hexagonal wrench, the operator outputs instructions to the numerical control lathe, and the turning spindle works, the present application simultaneously turns and processes the two sides of the brake disc and the shock absorber.

[0024] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A numerically controlled lathe turning shock absorber device comprising a fixed plate (8) and upper and lower shock absorbers (1), characterized in that: The fixed plate (8) is provided with a spring positioning pin (3), a positioning rotary column (5) and a shock block body positioning pin (6); the main body of the upper and lower shock absorbers (1) is a shock block body (4), the shock block body (4) is connected with the spring positioning pin (3) through a connecting spring (2), and the shock block body (4) is gap-fitted with the positioning rotary column (5).

2. A device for turning a shock absorber on a numerically controlled lathe according to claim 1, characterized in that: The shock block body (4) is provided with a CBN grinding head (7) at the end, the CBN grinding head (7) is a spring pin mechanism, there are springs and jacks inside, and the whole is a screwed structure.

3. A device for turning a shock absorber according to claim 1, characterized in that: A row of threaded holes are arranged at the shock block body positioning pin (6), the shock block body positioning pin (6) is in contact with the shock block body (4), and the shock block body positioning pin (6) is located at the groove of the shock block body.

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