CN220613296U - Online main shaft taper hole grinds machine - Google Patents

Abstract

The utility model provides an online spindle taper grinding machine, which relates to the field of spindle taper grinding, and adopts the following scheme: the grinding device comprises a fixing seat, wherein the fixing seat is rotatably provided with a grinding assembly, the fixing seat is L-shaped, the fixing seat comprises a horizontal plate and a vertical plate, and mounting holes are formed in the horizontal plate and the vertical plate. The utility model is suitable for both vertical machine tools and horizontal machine tools, and has high universalization degree.

Description

Online main shaft taper hole grinds machine

Technical Field

The utility model relates to the field of spindle taper grinding, in particular to an online spindle taper grinding machine.

Background

Machine tools having a rotating spindle, such as drilling machines, boring machines, gear hobbing machines, etc., typically have a tapered bore (e.g., morse's tapered bore) in the end of the spindle, i.e., a deep bore with a taper for receiving tools such as cutters. In the use process of the machine tool, the cutter can be frequently replaced, and the conical cutter handle of the cutter can be inevitably rubbed or collided with the inner conical surface of the spindle taper hole for a plurality of times, so that the inner conical surface of the spindle taper hole is worn and the accuracy is lost, the fit degree of the conical cutter handle of the cutter and the inner conical surface of the spindle taper hole is poor, and the machining accuracy of the machine tool is affected.

The chinese patent application publication No. CN110328604a discloses a grinding apparatus for taper hole of spindle, the fixed seat is fixed on the workbench, the rotating plate is fixed on the sliding device, the rotating plate is rotationally connected with the fixed seat, and the grinding device is disposed on the first guide rail of the sliding device, so as to drive the grinding device to reciprocate on the first guide rail by using the sliding device, therefore, when the taper hole on the spindle needs to be ground, the grinding device can be controlled to move along the first guide rail towards the position of the spindle, so that the grinding piece on the grinding device can extend into the taper hole of the spindle for grinding, and the rotating plate rotates relative to the fixed seat, so as to rotate the sliding device, thereby rotating the grinding device on the sliding device, so that the angle of the grinding piece on the grinding device entering the taper hole of the spindle can be adjusted, the grinding piece can be more attached to the taper surface of the taper hole of the spindle, by this technical scheme, the spindle can be directly ground without dismantling the spindle of the machine tool, the operation is simplified, and time consumption is reduced.

However, due to the fact that the types of machine tools are more, the arrangement directions of the main shafts are horizontal and vertical, and the fixing base in the technical scheme can only have one fixing mode, so that the general purpose between the vertical main shaft and the horizontal main shaft cannot be realized.

Disclosure of Invention

In order to solve the problems that the prior art is low in general level and cannot be compatible with a vertical machine tool and a horizontal machine tool, the utility model provides an online main shaft taper hole grinding machine which is suitable for the vertical machine tool and the horizontal machine tool and is high in general degree.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an online main shaft taper hole grinds machine, includes the fixing base, the fixing base rotationally is provided with grinding component, the fixing base is the L type, the fixing base includes horizontal plate and riser, the horizontal plate with all be provided with the mounting hole on the riser. The grinding machine can be vertically and horizontally installed by arranging the L-shaped fixing seat, so that the grinding machine is matched with a vertical machine tool and a horizontal machine tool, and the universality is high.

Further, the grinding assembly comprises a base, a grinding head assembly and a grinding motor are arranged on the upper portion of the base, the base is connected with a worm gear reducer, the worm gear reducer is connected with an adjusting motor, and the worm gear reducer and the adjusting motor are arranged on the fixing base. The worm and gear speed reducer can adjust the feeding angle of the grinding assembly to adapt to taper holes with various taper degrees, and meanwhile, the self-locking function of the worm and gear is utilized, the angle cannot be changed after adjustment, the stability is good, and the grinding precision is guaranteed.

Further, the grinding assembly further comprises a movable seat, the movable seat is provided with the grinding head assembly and the grinding motor, the lower portion of the movable seat is provided with a driving screw, the driving screw is connected with a driving motor, and the driving motor and the driving screw are both arranged on the base. The accurate feeding distance of the movable seat can be ensured by driving the movable seat through the driving motor and the screw rod, and the grinding precision is ensured.

Further, the grinding head assembly and the grinding motor are oppositely arranged on the movable seat, and the grinding head assembly and the grinding motor are connected through a belt rotating assembly. Through with grinding head subassembly and grinding motor parallel arrangement can reduce grinding head subassembly axial direction's distance, avoid interfering, be favorable to compact structure.

Further, a transmission belt tensioner is arranged on the movable seat. The tensioner can ensure that the transmission belt is prevented from slipping, so that the grinding efficiency is reduced.

Furthermore, the base and the movable base are provided with dials. The angle adjustment and the feeding condition can be accurately known through the dial, and the grinding precision is ensured.

Further, the grinding machine further comprises a controller, wherein the controller is electrically connected with the adjusting motor, the driving motor and the grinding motor respectively. The automatic grinding machine can be subjected to parameter adjustment and automatic control through the controller, and the automation level is improved.

Further, a pressure sensor is arranged on the transmission belt tensioner, the pressure sensor is electrically connected with the driving motor, and the controller further comprises a prompter and a display. The pressure sensor and the prompter can prompt an operator to tension in time.

Further, reinforcing ribs are arranged between the horizontal plates and the vertical plates. The strength of the fixing seat is enhanced through the reinforcing ribs.

Further, the machine tool comprises a lifting table, wherein the horizontal plate is installed on the lifting table, and the lifting table can be installed on a machine tool workbench. Can guarantee to match with the horizontal lathe of multiple model through the elevating platform, further promote the commonality of this grinding machine.

From the above technical scheme, the utility model has the following advantages:

the utility model provides an online spindle taper hole grinding machine, which can realize the vertical and horizontal installation of the grinding machine by arranging an L-shaped fixing seat, thereby matching a vertical machine tool with a horizontal machine tool and having high universalization degree; the feeding angle of the grinding assembly can be adjusted through the worm and gear speed reducer so as to adapt to taper holes with various taper degrees, and the self-locking function of the worm and gear is utilized, so that the angle cannot be changed after adjustment, the stability is good, and the grinding precision is ensured; the driving motor and the screw rod drive the movable seat to ensure the accurate feeding distance of the movable seat and the grinding precision; the grinding head assembly and the grinding motor are arranged in parallel, so that the distance in the axial direction of the grinding head assembly can be reduced, interference is avoided, and the structure is compact; the tensioner can ensure that the transmission belt is prevented from slipping and the grinding efficiency is reduced; the angle adjustment and the feeding condition can be accurately known through the dial, so that the grinding precision is ensured; the controller can be used for carrying out parameter adjustment and automatic control on the grinding machine, so that the automation level is improved; the pressure sensor and the prompter can prompt an operator to tension in time; can guarantee to match with the horizontal lathe of multiple model through the elevating platform, further promote the commonality of this grinding machine.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a first embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a first embodiment of the present utility model.

Fig. 3 is a schematic diagram of a third embodiment of the present utility model.

Fig. 4 is a schematic diagram of an assembly structure of a horizontal machine tool according to a first embodiment of the present utility model.

Fig. 5 is a schematic diagram of an assembly structure of a vertical machine tool according to a first embodiment of the present utility model.

Fig. 6 is a schematic structural diagram of a second embodiment of the present utility model.

In the figure, 1, a vertical plate, 2, a grinding motor, 3, a movable seat, 4, a grinding head assembly, 5, a worm gear reducer, 6, a horizontal plate, 7, an adjusting motor, 8, a base, 9, a driving motor, 10, a driving screw, 11, a workbench, 12, a main shaft, 13 and a lifting platform.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.

The inventor finds that in the existing spindle taper grinding equipment, as the types of machine tools are more, the arrangement direction of the spindle is horizontal and vertical, the spindle taper grinding equipment in the prior art can only have one fixing mode, and the general purpose between the vertical spindle and the horizontal spindle cannot be realized; based on the above, in the embodiment of the utility model provided by the inventor, the fixing seat of the grinding device is improved to simultaneously meet the use requirements of the horizontal machine tool and the vertical machine tool, so that the problems that the general level of the spindle taper hole grinding machine in the prior art is lower and the grinding machine tool cannot be compatible with the vertical machine tool and the horizontal machine tool are solved.

As shown in fig. 1 to 3, this embodiment provides an on-line spindle taper grinder, including fixing base and grinding component, the fixing base rotationally is provided with the grinding component, and the fixing base is L-shaped, and the fixing base includes horizontal plate 6 and riser 1, is provided with the strengthening rib between horizontal plate 6 and the riser 1. The strength of the fixed seat is enhanced through the reinforcing ribs, the horizontal plate 6 and the vertical plate 1 are provided with mounting holes, and the horizontal plate and the vertical plate are fixedly mounted on a workbench 11 of the machine tool through T-shaped bolts; the grinding machine can be vertically and horizontally installed by arranging the L-shaped fixing seat, so that the grinding machine is matched with a vertical machine tool and a horizontal machine tool, and the universality is high.

As shown in fig. 3, the polishing assembly may take the following specific structure: the grinding assembly comprises a base 8, a grinding head assembly 4, a grinding motor 2, a driving motor 9, a movable seat 3 and a driving screw 10; in order to improve the grinding precision of an inner hole, a base 8 is connected with a worm and gear reducer 5, the worm and gear reducer 5 is connected with an adjusting motor 7, the worm and gear reducer 5 and the adjusting motor 7 are arranged on a fixed seat, the adjustment of the feeding angle of a grinding component can be realized through the worm and gear reducer 5 so as to adapt to taper holes with various conicities, meanwhile, the self-locking function of the worm and gear is utilized, the angle cannot be changed after the adjustment, the stability is good, the grinding precision is ensured, in the specific embodiment, a supporting seat is arranged on a shell of the worm and gear reducer 5, an output shaft of the worm and gear reducer 5 is directly connected with the base 8, and the base 8 is rotatably arranged on the supporting seat through a bearing and the supporting seat; in order to further improve the grinding precision, a driving motor 9 is arranged on the base 8, the driving motor 9 is connected with a driving screw rod 10, the driving screw rod 10 is rotatably arranged on the base 8 through a bearing, the driving screw rod 10 is connected with a movable seat 3, the movable seat 3 is provided with a grinding head assembly 4 and a grinding motor 2, the movable seat 3 is driven by the driving motor 9 and the screw rod to ensure the accurate feeding distance of the movable seat 3, and the higher grinding precision is ensured; the base 8 and the movable seat 3 are respectively provided with a dial, so that the angle adjustment and feeding conditions can be accurately known through the dials, and the grinding precision is ensured; in this embodiment, the adjustment motor 7 and the driving motor 9 are servo motors.

As shown in fig. 1 and 3, in order to make the grinder compact, avoid interference during angle adjustment, the grinding head assembly 4 and the grinding motor 2 are relatively arranged on the movable seat 3, the axis of the grinding head assembly 4 is parallel to but not collinear with the axis of the grinding motor 2, the grinding head assembly 4 and the grinding motor 2 are connected through a belt rotating assembly, and the distance between the grinding head assembly 4 and the grinding motor 2 in the axial direction can be reduced by arranging the grinding head assembly 4 and the grinding motor 2 in parallel, so that interference is avoided, and the grinder is beneficial to compact structure; in this specific embodiment, the grinding head assembly 4 includes a transmission shaft, the head of the transmission shaft is provided with a grinding head through threads, the transmission shaft is rotatably arranged on two supports through bearings, the supports are arranged on the movable seat 3, the rear part of the transmission shaft is provided with a driven belt wheel, the output shaft of the grinding motor 2 is provided with a driving belt wheel, and the driven belt wheel is connected with the driving belt wheel through a transmission belt; the movable seat 3 is provided with a driving belt tensioner.

In order to promote the automation level of this grinding machine, still include the controller, the controller is connected with adjustment motor 7, driving motor 9 and grinding motor 2 electricity respectively, is provided with pressure sensor on the drive belt tensioning ware, and pressure sensor is connected with driving motor 9 electricity, and the controller still includes suggestion ware and display. The pressure sensor and the prompter can prompt an operator to tension in time.

As shown in fig. 4 and 5, when mounted on a horizontal machine tool, the main shaft 12 is in a horizontal state, the horizontal plate 6 is mounted on the table 11, and when mounted on a vertical machine tool, the main shaft 12 is in a vertical state, and the vertical plate 1 is mounted on the table 11.

The use process of the grinder is as follows:

firstly, adjusting the deflection angle of the base 8 according to the angle of the taper hole to ensure that the grinding head is fed along the taper of the grinding head; then the height of the grinding head and the relative position of the grinding head and the taper hole are generally adjusted according to the position of the taper hole; the main shaft 12 is rotated, and then the position of the grinding head is finely adjusted, so that the grinding head can be rubbed on the inner wall of the taper hole; after the adjustment, linear feeding is performed.

Detailed description of the preferred embodiments

As shown in fig. 6, this embodiment is basically the same as the first embodiment in structure, except that: the grinding machine further comprises a lifting table 13, the horizontal plate 6 is arranged on the lifting table 13, the lifting table 13 can be arranged on the machine tool workbench 11, in the specific embodiment, the lifting table 13 can adopt a hand-operated screw lifting table 13 due to small grinding reaction force, and the bottom plate of the hand-operated screw lifting table 13 can be fixed on the workbench 11 through a T-shaped bolt; the heights of the main shafts 12 of the horizontal machine tools of different models are different, so that the universality of the grinder is further improved.

From the above detailed description, it can be seen that the present utility model has the following advantages:

1. the grinding machine can be vertically and horizontally installed by arranging the L-shaped fixing seat, so that a vertical machine tool and a horizontal machine tool are matched, and the universality degree is high;

2. the feeding angle of the grinding assembly can be adjusted through the worm and gear speed reducer 5 so as to adapt to taper holes with various taper degrees, the self-locking function of the worm and gear is utilized, the angle cannot be changed after the adjustment, the stability is good, and the grinding precision is ensured;

3. the precise feeding distance of the movable seat 3 can be ensured by driving the movable seat 3 through the driving motor 9 and the screw rod, and the grinding precision is ensured;

4. the grinding head assembly 4 and the grinding motor 2 are arranged in parallel, so that the distance in the axial direction of the grinding head assembly 4 can be reduced, interference is avoided, and the structure is compact;

5. the tensioner can ensure that the transmission belt is prevented from slipping and the grinding efficiency is reduced;

6. the angle adjustment and the feeding condition can be accurately known through the dial, so that the grinding precision is ensured;

7. the controller can be used for carrying out parameter adjustment and automatic control on the grinding machine, so that the automation level is improved;

8. the pressure sensor and the prompter can prompt an operator to tension in time;

9. can guarantee to match with the horizontal lathe of multiple model through elevating platform 13, further promote the commonality of this grinding machine.

The terms "upper," "lower," "outboard," "inboard," and the like in the description and in the claims of the utility model and in the above figures, if any, are used for distinguishing between relative relationships in position and not necessarily for giving qualitative sense. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. The utility model provides an online main shaft taper hole grinds machine, which comprises a fixed base, the fixing base rotationally is provided with grinding assembly, a serial communication port, the fixing base is the L type, the fixing base includes horizontal plate (6) and riser (1), all be provided with the mounting hole on horizontal plate (6) and riser (1), grinding assembly includes base (8), base (8) upper portion is provided with grinding head subassembly (4) and grinding motor (2), base (8) are connected with worm gear reducer (5), worm gear reducer (5) are connected with adjustment motor (7), worm gear reducer (5) and adjustment motor (7) set up on the fixing base, grinding assembly still includes to remove seat (3), be provided with grinding head subassembly (4) and grinding motor (2) on removing seat (3), it is provided with drive screw (10) to remove seat (3) lower part, drive screw (10) are connected with driving motor (9), driving motor (9) and drive screw (10) all set up on base (8).

2. An on-line spindle taper grinder according to claim 1, wherein the grinding head assembly (4) and the grinding motor (2) are disposed on the movable base (3) in opposition, and the grinding head assembly (4) and the grinding motor (2) are connected by a belt rotation assembly.

3. An in-line spindle taper grinder according to claim 2, characterised in that the mobile station (3) is provided with a belt tensioner.

4. An in-line spindle cone grinder as claimed in claim 3, characterized in that the base (8) and the mobile seat (3) are provided with dials.

5. The on-line spindle taper mill according to claim 4, further comprising a controller electrically connected to the adjustment motor (7), the drive motor (9) and the grinding motor (2), respectively.

6. The on-line spindle cone grinder in accordance with claim 5, wherein a pressure sensor is provided on the belt tensioner, the pressure sensor being electrically connected to the drive motor (9), the controller further comprising a reminder and a display.

7. An on-line spindle taper grinder according to claim 1, characterized in that a reinforcing rib is provided between the horizontal plate (6) and the vertical plate (1).

8. An in-line spindle taper mill according to claim 1, further comprising a lifting table (13), the horizontal plate (6) being mounted on the lifting table (13), the lifting table (13) being mountable on a machine table.