CN115741117A - Direct-drive, high-speed and high-precision turning and grinding integrated machine tool - Google Patents

Direct-drive, high-speed and high-precision turning and grinding integrated machine tool Download PDF

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Publication number
CN115741117A
CN115741117A CN202211483604.7A CN202211483604A CN115741117A CN 115741117 A CN115741117 A CN 115741117A CN 202211483604 A CN202211483604 A CN 202211483604A CN 115741117 A CN115741117 A CN 115741117A
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China
Prior art keywords
main shaft
auxiliary
machine tool
guide rail
speed
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Pending
Application number
CN202211483604.7A
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Chinese (zh)
Inventor
张本立
魏文龙
陈江山
魏文凯
周文昌
陈闯
倪修华
郭建强
解润海
张晓东
田冲
曹立波
田峙莹
王磊
崔桐成
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Jiangsu Bosunman Industrial Equipment Co ltd
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Jiangsu Bosunman Industrial Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Jiangsu Bosunman Industrial Equipment Co ltd filed Critical Jiangsu Bosunman Industrial Equipment Co ltd
Priority to CN202211483604.7A priority Critical patent/CN115741117A/en
Publication of CN115741117A publication Critical patent/CN115741117A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a direct-drive, high-speed and high-precision turning and grinding integrated machine tool which comprises a machine tool body, a positive main shaft box, a positive main shaft, a first linear driving mechanism, a dragging plate, a sliding plate, a power tool rest, a second linear driving mechanism, an auxiliary main shaft box, an auxiliary main shaft and a third linear driving mechanism. The linear motor is directly driven, the speed is high, the acceleration is high, the dynamic response is fast, and the precision and the efficiency are effectively improved; the linear motor is matched with a grating ruler to form a closed-loop system, so that the positioning precision and the repeated positioning precision are improved. The invention can finish the integrated processing of turning and grinding by one-time clamping, reduces the error caused by multiple times of clamping and improves the precision. The invention adopts the butt joint of the double main shafts, realizes the automatic turning processing, and can complete the integral processing of all lathing and grinding, thereby greatly shortening the manufacturing process chain of products, reducing the production auxiliary time caused by multiple clamping, reducing the manufacturing period and waiting time of tool fixtures, and obviously improving the processing efficiency.

Description

Direct-drive, high-speed and high-precision turning and grinding integrated machine tool
Technical Field
The invention belongs to the field of numerical control machine tools, is particularly suitable for machining shaft and disc sleeve parts such as automobile parts, medical instruments, aerospace and dies, and particularly relates to a direct-drive, high-speed and high-precision turning and grinding integrated machine tool.
Background
The existing turning and grinding integrated machine tool adopts a driving mode of a servo motor and a ball screw, and is low in speed and slow in dynamic response. The invention relates to a direct-drive, high-speed and high-precision turning and grinding integrated machine tool, and aims to provide a high-modularization, high-acceleration and high-speed numerical control composite processing machine tool capable of realizing turning and grinding integration.
The invention adopts a structure of opposite double main shafts, double main shafts and a single power tool turret; the inclined lathe bed has good rigidity and is convenient for chip removal; the linear motor drives, can realize high-speed, high acceleration; the double main shafts are butted, the workpiece can be turned around, and the turning, grinding and other combined processing of the whole workpiece can be finished on one device.
Disclosure of Invention
The purpose of the invention is as follows: in order to solve the defects of the prior art, the invention provides a direct-drive, high-speed and high-precision turning and grinding integrated machine tool, which is driven by a linear motor, high in speed and acceleration and fast in dynamic response; the turning and grinding processing of one end of the workpiece can be finished by one-time clamping, the double main shafts are butted, and the turning and grinding processing of the other end can be finished; one device can replace a plurality of devices, so that the occupied area is reduced; the clamping times are reduced, and the workpiece precision is improved; the process chain is reduced, and the efficiency is improved.
The technical scheme is as follows: a direct-drive, high-speed and high-precision turning and grinding integrated machine tool comprises a machine tool body, a positive main shaft box, a positive main shaft, a first linear driving mechanism, a planker, a sliding plate, a power tool rest, a second linear driving mechanism, an auxiliary main shaft box, an auxiliary main shaft and a third linear driving mechanism;
the machine tool body is fastened on an infrastructure and is provided with a main spindle system, a processing unit and an auxiliary spindle system for clamping workpieces;
a main spindle box of the main spindle correcting system is arranged on the machine body, a main spindle is arranged on the main spindle box, and a power chuck is arranged on the main spindle and used for clamping a workpiece;
a first linear guide rail in sliding fit with the Z-axis carriage and a first linear driving mechanism for driving the Z-axis carriage to reciprocate on the first linear guide rail are arranged between the Z-axis carriage of the processing unit and the lathe bed;
a second linear guide rail in sliding fit with the sliding plate and a second linear driving mechanism for driving the stand column to reciprocate on the second linear guide rail are arranged between the sliding plate and the Z-axis carriage;
the power tool rest is arranged on the sliding plate and used for processing clamping parts of the alignment and auxiliary main shaft systems;
a third linear guide rail which is in sliding fit with the auxiliary spindle box and a third linear driving mechanism which is used for driving the auxiliary spindle box to reciprocate on the third linear guide rail are arranged between the auxiliary spindle box in the auxiliary spindle system and the lathe bed;
an auxiliary main shaft of the auxiliary main shaft system is arranged on an auxiliary main shaft box, and a power chuck is arranged on the main shaft and used for clamping workpieces.
Further, the motion track of the first linear guide rail and the rotation axis of the left spindle assembly are parallel to each other.
Further, the motion track of the second linear guide rail is perpendicular to the rotation axis of the right spindle assembly.
Further, the third linear guide rail is parallel to the rotation axis of the main spindle assembly. The axes of the two main shafts are superposed.
Further, the main shaft correcting system is an electric main shaft.
Furthermore, the auxiliary spindle system is an electric spindle.
Has the advantages that: the invention has the following specific advantages:
(1) The linear motor is directly driven, has high speed, large acceleration and quick dynamic response, and effectively improves the precision and the efficiency.
(2) The linear motor is matched with a grating ruler to form a closed-loop system, so that the positioning precision and the repeated positioning precision are improved.
(3) The invention can finish the machining of turning and grinding at one time, reduces the error caused by repeated clamping and improves the precision.
(4) The invention adopts the butt joint of the double main shafts, realizes the automatic turning processing, and can complete the integral processing of all lathing and grinding, thereby greatly shortening the manufacturing process chain of products, reducing the production auxiliary time caused by multiple clamping, reducing the manufacturing period and waiting time of tool fixtures, and obviously improving the processing efficiency.
(5) The invention can effectively reduce the investment of the total fixed assets, the production operation and the management cost due to the shortening of the manufacturing process chain, the reduction of the required equipment of the product and the reduction of the number of the tool fixtures, the occupied area of the workshop and the maintenance cost of the equipment.
(6) The invention adopts the layout of the inclined bed body with high rigidity and high strength, and is convenient for cutting and chip removal.
Drawings
FIG. 1 is a front view of the whole structure of the direct-drive, high-speed and high-precision turning and grinding integrated machine tool of the invention;
FIG. 2 is a top view of the direct-drive, high-speed, high-precision turning and grinding integrated machine tool of the present invention;
in the figure: 1. a bed body; 2. a main spindle box is positive; 3. a main shaft is corrected; 4. a first linear drive mechanism; 5. a carriage; 6. a slide plate; 7. a power tool rest; 8. a second linear drive mechanism; 9. an auxiliary main spindle box; 10. a secondary main shaft; 11. a third linear drive mechanism;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, so that those skilled in the art can better understand the advantages and features of the present invention, and thus the protection scope of the present invention is more clearly defined. The embodiments described herein are only a few embodiments of the present invention, rather than all embodiments, and all other embodiments that can be derived by one of ordinary skill in the art based on the embodiments described herein are intended to be within the scope of the present invention.
Examples
As shown in figure 1, the invention discloses a direct-drive, high-speed and high-precision turning and grinding integrated machine tool which comprises a machine tool body 1, a positive spindle box 2, a positive spindle 3, a first linear driving mechanism 4, a dragging plate 5, a sliding plate 6, a power tool rest 7, a second linear driving mechanism 8, an auxiliary spindle box 9, an auxiliary spindle 10 and a third linear driving mechanism 11.
The machine tool body 1 is fastened on an infrastructure, and a main shaft system, a processing unit and an auxiliary main shaft system for clamping workpieces are arranged on the machine tool body 1.
A main spindle box 2 of the main spindle correcting system is arranged on a lathe bed 1, a main spindle 3 is arranged on a main spindle box 4, and a power chuck is arranged on the main spindle and used for clamping workpieces. The main shaft correcting system is an electric main shaft.
A first linear guide rail which is in sliding fit with the Z-axis carriage 5 and a first linear driving mechanism 4 which is used for driving the Z-axis carriage 5 to reciprocate on the first linear guide rail are arranged between the Z-axis carriage 5 of the processing unit and the machine body 1. The motion trail of the first linear guide rail is parallel to the rotation axis of the left spindle assembly.
A second linear guide rail in sliding fit with the sliding plate 6 and a second linear driving mechanism 8 for driving the upright post 6 to reciprocate on the second linear guide rail are arranged between the sliding plate 6 and the Z-axis carriage 5. The motion trail of the second linear guide rail is perpendicular to the rotation axis of the right spindle assembly.
And the power tool rest 7 is arranged on the sliding plate 6 and is used for processing clamping parts of the alignment and auxiliary main shaft systems.
A third linear guide rail in sliding fit with the auxiliary spindle box 9 and a third linear driving mechanism 11 for driving the auxiliary spindle box 9 to reciprocate on the third linear guide rail are arranged between the auxiliary spindle box 9 and the lathe bed 1 in the auxiliary spindle system. The third linear guide rail is parallel to the rotation axis of the positive spindle assembly. The axes of the two main shafts are superposed.
An auxiliary main shaft 10 of the auxiliary main shaft system is arranged on an auxiliary main shaft box 9, and a power chuck is arranged on the main shaft and used for clamping workpieces. The auxiliary main shaft system is an electric main shaft.
The direct-drive, high-speed and high-precision turning and grinding integrated machine tool is driven by the linear motor, high in speed and acceleration and fast in dynamic response; the turning and grinding processing of one end of the workpiece can be finished by one-time clamping, the double main shafts are butted, and the turning and grinding processing of the other end can be finished; one device can replace a plurality of devices, so that the occupied area is reduced; the clamping times are reduced, and the workpiece precision is improved; the process chain is reduced, and the efficiency is improved.

Claims (6)

1. The utility model provides a directly drive, high-speed, integrative lathe of car grinding of high accuracy which characterized in that: the machine tool comprises a machine tool body (1), a positive spindle box (2), a positive spindle (3), a first linear driving mechanism (4), a carriage (5), a sliding plate (6), a power tool rest (7), a second linear driving mechanism (8), an auxiliary spindle box (9), an auxiliary spindle (10) and a third linear driving mechanism (11);
the machine tool body (1) is fastened on an infrastructure, and a main shaft system, a processing unit and an auxiliary main shaft system for clamping workpieces are arranged on the machine tool body (1);
a positive main shaft box (2) of the positive main shaft system is arranged on the machine body (1), a positive main shaft (3) is arranged on the positive main shaft box (4), and a power chuck is arranged on the main shaft and used for clamping a workpiece;
a first linear guide rail in sliding fit with the Z-axis carriage (5) and a first linear driving mechanism (4) for driving the Z-axis carriage (5) to reciprocate on the first linear guide rail are arranged between the Z-axis carriage (5) of the processing unit and the lathe bed (1);
a second linear guide rail in sliding fit with the sliding plate (6) and a second linear driving mechanism (8) for driving the upright post (6) to reciprocate on the second linear guide rail are arranged between the sliding plate (6) and the Z-axis carriage (5);
the power tool rest (7) is arranged on the sliding plate (6) and is used for processing clamping parts of the alignment and auxiliary main shaft systems;
a third linear guide rail in sliding fit with the auxiliary spindle box (9) and a third linear driving mechanism (11) for driving the auxiliary spindle box (9) to reciprocate on the third linear guide rail are arranged between the auxiliary spindle box (9) in the auxiliary spindle system and the lathe bed (1);
an auxiliary main shaft (10) of the auxiliary main shaft system is arranged on an auxiliary main shaft box (9), and a power chuck is arranged on the main shaft and used for clamping workpieces.
2. The direct-drive, high-speed and high-precision turning and grinding integrated machine tool according to claim 1 is characterized in that: the motion trail of the first linear guide rail is parallel to the rotation axis of the left spindle assembly.
3. The direct-drive, high-speed and high-precision turning and grinding integrated machine tool according to claim 1 is characterized in that: the motion trail of the second linear guide rail is perpendicular to the rotation axis of the right spindle assembly.
4. The direct-drive, high-speed and high-precision turning and grinding integrated machine tool according to claim 1 is characterized in that: the third linear guide rail is parallel to the rotation axis of the main spindle assembly. The axes of the two main shafts are superposed.
5. The direct-drive, high-speed and high-precision turning and grinding integrated machine tool according to claim 1 is characterized in that: the main shaft correcting system is an electric main shaft.
6. The direct-drive, high-speed and high-precision turning and grinding integrated machine tool according to claim 1 is characterized in that: the auxiliary main shaft system is an electric main shaft.
CN202211483604.7A 2022-11-24 2022-11-24 Direct-drive, high-speed and high-precision turning and grinding integrated machine tool Pending CN115741117A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211483604.7A CN115741117A (en) 2022-11-24 2022-11-24 Direct-drive, high-speed and high-precision turning and grinding integrated machine tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211483604.7A CN115741117A (en) 2022-11-24 2022-11-24 Direct-drive, high-speed and high-precision turning and grinding integrated machine tool

Publications (1)

Publication Number Publication Date
CN115741117A true CN115741117A (en) 2023-03-07

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ID=85337132

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211483604.7A Pending CN115741117A (en) 2022-11-24 2022-11-24 Direct-drive, high-speed and high-precision turning and grinding integrated machine tool

Country Status (1)

Country Link
CN (1) CN115741117A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117798708A (en) * 2024-02-04 2024-04-02 辽宁西格马数控机床有限公司 Composite processing machine tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117798708A (en) * 2024-02-04 2024-04-02 辽宁西格马数控机床有限公司 Composite processing machine tool

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