Small-sized machine tool spindle autogenous mill
By designing a small machine tool spindle auto-grinding machine, and utilizing precision linear guides and high-precision grinding heads, the problem of spindle assembly error accumulation was solved, achieving efficient and low-cost machining results.
Patent Information
- Application Number
- CN202423172191.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-23
AI Technical Summary
In traditional production methods, the accumulation of assembly errors in machine tool spindles makes it difficult to achieve high precision requirements, affecting processing quality and increasing costs.
Design a small machine tool spindle autogrinding machine, which adopts precision linear guide rail guidance and high-precision grinding head, combined with a ball screw drive system, to achieve efficient grinding of spindle end face and inner tapered hole.
It improves processing efficiency, ensures processing accuracy, reduces maintenance costs, and is suitable for grinding of various small machine tool spindles.
Smart Images
Figure CN223719087U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a small -size machine tool spindle self -grinding machine belongs to mechanical technical field. BACKGROUND
[0002] In the field of precision machining, the precision and reliability of machine tools are increasingly high, and the precision of the spindle as the core component of the machine tool directly affects the machining quality. The traditional production mode is that each part is machined and assembled separately, but due to the comprehensive accumulation of various errors after assembly, it is difficult to achieve the required precision of the end face runout of the high-precision horizontal spindle end face and the radial runout of the inner taper hole of the spindle, so the spindle needs to be disassembled and repaired using a special grinding machine, which affects the production progress, increases the production cost and is difficult to control the machining quality of the parts. UTILITY MODEL CONTENTS
[0003] In order to overcome the defects of the prior art, the utility model provides a small -size machine tool spindle self -grinding machine, which is suitable for grinding of the end face and inner taper hole of various small -size machine tool spindles, and can effectively ensure the stability and precision of the grinding process.
[0004] The utility model solves the technical scheme that the utility model adopts: a small -size machine tool spindle self -grinding machine, including base and supporting plate, the top of base and supporting plate is installed with a tool rest through height adjusting mechanism, two interval straight -line guides A are installed on the tool rest, between two straight -line guides A, a screw rod I that is same direction with straight -line guide A is installed on the tool rest, the top of tool rest is provided with a sliding plate a, sliding plate a is slidably installed on two straight -line guides A, and the bottom center position of sliding plate a is fixedly connected with the nut seat on screw rod I.
[0005] A rotary tool rest is installed on sliding plate a, the rotary tool rest is manually moved, two interval straight -line guides B are installed on the rotary tool rest, between two straight -line guides B, a screw rod II that is same direction with straight -line guide B is installed in the rotary tool rest, and a hand wheel is installed at the end of screw rod II on one side of the length direction of rotary tool rest.
[0006] The top of rotary tool rest is provided with a sliding plate b, sliding plate b is slidably installed on two straight -line guides B, and the bottom center position of sliding plate b is fixedly connected with the nut seat on screw rod II, a grinding head support and a motor are installed side by side on sliding plate b, a belt pulley is installed on one end of grinding head support and the driving end of the same side motor, and a high-speed flat belt is installed between the two belt pulleys, a grinding head is installed on the other end of grinding head support, a horizontal direction grinding wheel rod and grinding wheel are installed in grinding head, and the grinding wheel rod and grinding wheel are driven by the belt pulley on grinding head support.
[0007] Further, the length direction of straight -line guide A is consistent with the length direction of base and supporting plate.
[0008] The utility model discloses an advantageous effect is: the utility model discloses compact structure design, simple structure, removes and convenient operation, and operator can easily get started processing, adopt the precision linear guide rail orientation and use high-precision grinding head, and the grinding head is accurate to the center of the main shaft, and the stability and precision of grinding process are ensured, is applicable to the grinding processing of the end face and inner taper hole of various small -size machine tool main shaft, has extensive applicability, is easy to maintain, and the grinding wheel rod and grinding wheel are convenient to replace, and the maintenance cost is low, compared with traditional vertical lathe processing method, the device can improve processing efficiency, reduces the processing time, guarantees processing accuracy simultaneously, especially suitable for the grinding processing of high -precision horizontal lathe main shaft inner taper hole and end face. BRIEF DESCRIPTION OF DRAWINGS
[0009] The utility model is further explained below in combination with the drawings and specific embodiment.
[0010] Figure 1 It is the structure schematic diagram of the utility model.
[0011] Mark in the drawing:
[0012] 1, grinding head, 2, grinding head support, 3, motor, 4, high -speed flat belt, 5, pulley, 6, motor support, 7, sliding plate a, 8, rotary tool holder, 9, tool holder, 10, linear guide rail A, 11, lead screw I, 12, hand wheel, 13, height adjustment mechanism, 14, base and supporting plate, 15, grinding wheel rod and grinding wheel, 16, lead screw II, 17, sliding plate b, 18, linear guide rail B. SPECIFIC EMBODIMENT
[0013] As Figure 1 Shown, a kind of small machine tool main shaft self-grinding machine, including base and supporting plate 14, the top of the base and supporting plate 14 is installed with a tool holder 9 by height adjustment mechanism 13, two spaced linear guide rails A 10 are installed on tool holder 9, and linear guide rail A 10 is consistent with the length direction of base and supporting plate 14;Between two linear guide rails A 10, a lead screw I 11 is installed on tool holder 9 with linear guide rail A 10 same direction;The top of tool holder 9 is provided with a sliding plate a 7, and sliding plate a 7 is slidably installed on two linear guide rails A 10, and the bottom center position of sliding plate a 7 is fixedly connected with the nut seat on lead screw I 11.
[0014] A rotary tool holder 8 is installed on sliding plate a 7, rotary tool holder 8 is manually moved, and two spaced linear guide rails B 18 are installed on rotary tool holder 8;Between two linear guide rails B 18, a lead screw II 16 is installed in rotary tool holder 8 with linear guide rail B 18 same direction, and a hand wheel 12 is installed at the end of lead screw II 16 on the length direction of rotary tool holder 8.
[0015] The top of the rotary tool holder 8 is provided with a slide plate b17 which is slidingly installed on two linear guides B18, and the bottom center of the slide plate b17 is fixedly connected with the nut seat on the screw II 16; the slide plate b17 is provided with a grinding head support 2 and a motor 3 in parallel, one end of the grinding head support 2 and the driving end of the motor 3 on the same side are both provided with a pulley 5, and a high-speed flat belt 4 is installed between the two pulleys 5; the other end of the grinding head support 2 is provided with a grinding head 1, and a horizontal sand wheel rod and a sand wheel 15 are installed in the grinding head 1, and the sand wheel rod and the sand wheel 15 are driven by the pulley 5 on the grinding head support 2.
[0016] The base and the supporting plate 14 and the sand wheel rod and the sand wheel 15 can be replaced in different forms, in the use process, the screw I 11 is driven by the driving device under the support of the bearings at both ends, the rotation of the screw I 11 drives the nut seat to drive the slide plate a7 and the device on the top of the slide plate a7 to move on the linear guide A10 together, realizing the movement of the small machine tool spindle self-grinding machine in the transverse position; the rotary tool holder 8 can realize the change of the rotation angle of the sand wheel rod and the sand wheel 15 in the plane position under the driving action of the manual lifting device, so that the grinding processing is more flexible; the screw II 16 is driven by the hand wheel 12 under the support of the bearings at both ends, the rotation of the screw II 16 drives the nut seat to drive the slide plate b17 and the device on the top of the slide plate b17 to move on the linear guide B18 together, realizing the feeding movement of the small machine tool spindle self-grinding machine in the longitudinal position and in the plane angle position; the output end of the motor 3 drives the pulley 5 connected thereto to rotate, and through the belt transmission, the pulley 5 on the grinding head support 2 drives the sand wheel rod and the sand wheel 5 to rotate under the support of the grinding head 1 and carry out grinding processing, which can realize the self-grinding processing of the inner taper hole and the end face of the high-precision horizontal car spindle below Φ1600mm.
Claims
1. A small machine tool spindle self-sharpening machine comprising a base and a support plate (14), characterized in that: The top of the base and the supporting plate (14) is installed with a tool rest (9) through the height adjusting mechanism (13), the tool rest (9) is installed with two spaced straight linear guides A (10); between the two straight linear guides A (10), the tool rest (9) is installed with a screw rod I (11) in the same direction with the straight linear guides A (10); the top of the tool rest (9) is provided with a sliding plate a (7), the sliding plate a (7) is slidingly installed on the two straight linear guides A (10), the bottom center position of the sliding plate a (7) is fixedly connected with the nut seat on the screw rod I (11); The sliding plate a (7) is installed with a rotary tool rest (8), the rotary tool rest (8) is manually driven, the rotary tool rest (8) is installed with two spaced straight linear guides B (18); between the two straight linear guides B (18), the rotary tool rest (8) is installed with a screw rod II (16) in the same direction with the straight linear guides B (18), on one side of the length direction of the rotary tool rest (8), a hand wheel (12) is installed at the end of the screw rod II (16); The top of the rotary tool rest (8) is provided with a sliding plate b (17), the sliding plate b (17) is slidingly installed on the two straight linear guides B (18), the bottom center position of the sliding plate b (17) is fixedly connected with the nut seat on the screw rod II (16); the sliding plate b (17) is installed with a grinding head support (2) and a motor (3) side by side, one end of the grinding head support (2) and the driving end of the motor (3) on the same side are both installed with a belt pulley (5), a high-speed flat belt (4) is installed between the two belt pulleys (5); the other end of the grinding head support (2) is installed with a grinding head (1), a horizontal direction grinding wheel rod and a grinding wheel (15) are installed in the grinding head (1), the grinding wheel rod and the grinding wheel (15) are driven by the belt pulley (5) on the grinding head support (2).
2. A small machine tool spindle self-sharpening machine according to claim 1, characterized in that: The straight linear guides A (10) are consistent with the length direction of the base and the supporting plate (14).