CN212824567U - Medical rotary tool composite segment difference machine - Google Patents

Abstract

The utility model discloses a poor machine of compound section of medical rotary tool, it includes a feed mechanism, goes up unloading mechanism, three main shaft mechanism and three grinding mechanism on one. The feeding mechanism comprises a horizontal transverse guide rail, a horizontal longitudinal guide rail and a material tray; the spindle mechanisms each comprise an electric spindle and a pneumatic chuck; each grinding mechanism comprises a horizontal longitudinal guide rail, a vertical guide rail and an electric spindle, and the three grinding mechanisms are respectively arranged right behind the three spindle mechanisms; the feeding and discharging mechanism comprises a support, two vertical guide rails, a horizontal lateral guide rail and four pneumatic clamping jaws, and the centers of the four pneumatic clamping jaws and the centers of the three spindle mechanisms are in the same vertical plane. The composite segment difference machine for the medical rotary tool can realize that three steps of coarse grinding, semi-fine grinding and fine grinding of the segment difference procedure are completed on the same equipment at the same time, and has the advantages of high processing precision, high efficiency and low labor intensity of workers.

Description

Medical rotary tool composite segment difference machine

Technical Field

The utility model belongs to the technical field of machining, concretely relates to poor machine of compound section of medical rotary tool.

Background

The medical rotary tool is an accessory of a medical electric tool, and has small volume and large processing batch, and the size of a dental lathe needle is just like an embroidery needle. The processing of the medical rotary tool has a step of section difference, namely, the transition conical surface between the rod part and the blade part is ground, and the processing of the step is divided into three steps of coarse grinding, semi-fine grinding and fine grinding. The processing of the product has two characteristics, namely high processing precision requirement, small processing allowance of each step of the step difference procedure, short processing time and capability of finishing each step within several seconds. The existing segment difference processing technology has the advantages that firstly, three steps are respectively completed by three single machines, secondly, most of the existing segment difference processing technology adopts manual loading and unloading, and the auxiliary working hours of the manual loading and unloading are larger than the processing working hours, so that the product precision is influenced, the processing efficiency is low, and the labor intensity of workers is high.

Disclosure of Invention

The utility model aims to overcome the not enough of prior art, provide the three process steps of a poor process of section and accomplish simultaneously on an equipment, but the poor machine of the compound section of the medical rotary tool of unloading automatic control on and.

The technical scheme for realizing the purpose is as follows: the utility model provides a poor machine of compound section of medical rotary tool, it includes frame, a feed mechanism, one goes up unloading mechanism, three main shaft mechanism, three grinding mechanism and a material receiving box, its characterized in that: the feeding mechanism is arranged on the left side of the front part of the upper plane of the rack and comprises a horizontal transverse guide rail arranged on the rack, a horizontal longitudinal guide rail arranged on the horizontal transverse guide rail and a material tray arranged on the horizontal longitudinal guide rail; the main shaft mechanisms each comprise an electric main shaft arranged on the rack and a pneumatic chuck arranged on the electric main shaft, the three main shaft mechanisms are arranged on the right side of the feeding mechanism at equal intervals, the distance H between the main shaft mechanisms is equal to the distance M from the leftmost main shaft mechanism to the fixed feeding point of the feeding mechanism, and the centers of the three main shaft mechanisms and the fixed feeding point of the feeding mechanism are on the same straight line; each grinding mechanism comprises a horizontal longitudinal guide rail arranged on the rack, a vertical guide rail arranged on the horizontal longitudinal guide rail and an electric spindle arranged on the vertical guide rail, and the three grinding mechanisms are respectively arranged right behind the three spindle mechanisms; the feeding and discharging mechanism comprises a support arranged in the middle of the rack, two vertical guide rails arranged on the support, a horizontal lateral guide rail arranged on the two vertical guide rails and four pneumatic clamping jaws arranged on the horizontal lateral guide rail, wherein the distance L between each pneumatic clamping jaw is equal to the distance H between the main shaft mechanisms, and the centers of the four pneumatic clamping jaws and the centers of the three main shaft mechanisms are in the same vertical plane; the material receiving box is arranged on the right side of the front part of the upper plane of the frame.

The utility model has the effects that: according to the medical rotary tool composite segment difference machine manufactured by the scheme, three steps of the segment difference process can be completed on the same equipment at the same time, and processed products are consistent in size and high in precision. Meanwhile, the automation of the feeding and discharging process can reduce the number of workers, reduce the labor intensity of workers and improve the production efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is an enlarged sectional view taken at a-a in fig. 1.

Fig. 4 is a schematic structural view of fig. 3 after clamping the grinding wheel and the workpiece.

In the figure: 1. the grinding machine comprises a machine frame, 2 parts of a feeding mechanism, 201 parts of a horizontal transverse guide rail, 202 parts of a horizontal longitudinal guide rail, 203 parts of a material tray, 3 parts of a feeding and discharging mechanism, 301 parts of a support, 302 parts of a vertical guide rail, 303 parts of a horizontal lateral guide rail, 304 parts of a pneumatic clamping jaw, 4 parts of a material receiving box, 5 parts of a main shaft mechanism, 501 parts of an electric main shaft, 502 parts of a pneumatic chuck, 6 parts of a grinding mechanism, 601 parts of a horizontal longitudinal guide rail, 602 parts of a vertical guide rail, 603 parts of an electric main shaft, 7 parts of a workpiece and 8.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-3, the utility model relates to a poor machine of compound section of medical rotary tool, it includes frame 1, a feed mechanism 2, one goes up unloading mechanism 3, three main shaft mechanism 5, three grinding mechanism 6 and a material receiving box 4, its characterized in that: the feeding mechanism 2 is arranged on the left side of the front part of the upper plane of the rack 1 and comprises a horizontal transverse guide rail 201 arranged on the rack 1, a horizontal longitudinal guide rail 202 arranged on the horizontal transverse guide rail 201 and a material tray 203 arranged on the horizontal longitudinal guide rail 202, workpieces 7 to be processed (shown in figure 4) are vertically arranged on the material tray 203 in rows at equal intervals, when the pneumatic clamping jaws 304 take one workpiece 7 to be processed from a fixed feeding point, the next workpiece 7 to be processed is positioned at the fixed feeding point again through the movement of the horizontal transverse guide rail 201 and the horizontal longitudinal guide rail 202, and after the workpiece 7 to be processed in the material tray 203 is taken out, a new material tray 203 filled with the workpiece 7 to be processed can be quickly replaced through manual work; each spindle mechanism 5 comprises an electric spindle 501 arranged on the rack 1 and a pneumatic chuck 502 arranged on the electric spindle 501, the electric spindle 501 drives the workpiece 7 to rotate through the pneumatic chuck 502, the three spindle mechanisms 5 are equidistantly arranged on the right side of the feeding mechanism 2, the distance H between each spindle mechanism 5 is equal to the distance M from the leftmost spindle mechanism 5 to the fixed feeding point of the feeding mechanism 2, and the centers of the three spindle mechanisms 5 and the fixed feeding point of the feeding mechanism 2 are on the same straight line; each grinding mechanism 6 comprises a horizontal longitudinal guide rail 601 arranged on the frame 1, a vertical guide rail 602 arranged on the horizontal longitudinal guide rail 601 and an electric spindle 603 arranged on the vertical guide rail 602, the electric spindle 603 drives the forming grinding wheel 8 (shown in fig. 4) to rotate to finish grinding the neck of the workpiece 7, the horizontal longitudinal guide rail 601 and the vertical guide rail 602 are used for adjusting the warp and axial processing positioning references of the neck of the forming grinding wheel 8 and the workpiece 7, the horizontal longitudinal guide rail 601 moves backwards after each processing is finished to make the pneumatic clamping jaws 304 move downwards to get space for grabbing the workpiece 7, the three grinding mechanisms 6 are respectively arranged right behind the three spindle mechanisms 5 to respectively finish three steps of coarse grinding, semi-fine grinding and fine grinding; the feeding and discharging mechanism 3 comprises a support 301 arranged in the middle of the rack 1, two vertical guide rails 302 arranged on the support 301, a horizontal lateral guide rail 303 arranged on the two vertical guide rails 302 and four pneumatic clamping jaws 304 arranged on the horizontal lateral guide rail 303, wherein the distance L between each pneumatic clamping jaw 304 is equal to the distance H between the spindle mechanisms 5, the centers of the four pneumatic clamping jaws 304 and the centers of the three spindle mechanisms 5 are in the same vertical plane, and the pneumatic clamping jaws 304 are ensured to accurately move right above fixed feeding points of the pneumatic clamping heads 502 and the feeding mechanisms 2 during feeding and discharging; the material receiving box 4 is arranged at the front right side of the upper plane of the frame 1.

As shown in fig. 4, in operation, the workpiece 7 is fixed to the pneumatic chuck 502 of the spindle mechanism 5, the formed grinding wheel 8 is fixed to the electric spindle 603 of the grinding mechanism 6, the taper angle of the formed grinding wheel 8 is matched with the taper angle of the neck portion of the workpiece 7, and the neck portion taper grinding, i.e., the step difference process, of the workpiece 7 is completed by the rotational movement of the workpiece 7 and the formed grinding wheel 8.

During working, the workpieces 7 on the three main shaft mechanisms 5 from left to right respectively and simultaneously complete three steps of coarse grinding, semi-fine grinding and fine grinding, and the step of fine grinding is finished after the step of fine grinding is finished, and the step of the rear section difference is finished. After each process step is finished, the electric spindles 501 and 603 stop rotating, the three grinding mechanisms 6 move backwards simultaneously through the horizontal longitudinal guide rail 601, the four open pneumatic clamping jaws 304 positioned right above the fixed feeding points of the three spindle mechanisms 5 and the feeding mechanism 2 move downwards along with the vertical guide rail 302, the workpiece 7 to be processed positioned at the fixed feeding points and the three workpieces 7 processed in each process step are clamped, then the four pneumatic clamping jaws 304 clamp the workpiece 7, the three pneumatic chucks 502 are opened, the four pneumatic clamping jaws 304 carry the four workpieces 7 to move upwards along with the vertical guide rail 302, the workpiece 7 moves rightwards along with the horizontal lateral guide rail 303 after being positioned, and when the workpiece 7 moves right above the three pneumatic chucks 502 and the material receiving box 4 respectively, the vertical guide rail 302 moves downwards until the three workpieces 7 on the left side are inserted into the three open pneumatic chucks 502 respectively, at this time, the pneumatic chucks 502 clamp the workpiece 502, The pneumatic clamping jaws 304 are opened, the rightmost workpiece 7 falls into the material receiving box 4, the feeding and discharging mechanism 3 returns to the initial position again, the grinding mechanism 6 returns to the grinding position, next grinding is started, and the steps are repeated in sequence.

When each batch of workpieces are machined, part of the mechanisms are in a non-operating state in the machining process of the first three workpieces to be machined and the last three workpieces to be machined, for example, when the first workpiece is machined, the workpiece is arranged on the leftmost pneumatic chuck 502, the rest two pneumatic chucks 502 are not provided with workpieces, and at this time, the spindle mechanism 5 provided with the two pneumatic chucks 502 and the grinding mechanism 6 behind the spindle mechanism are in a non-operating state.

All the guide rails are driven by a servo motor and accurately positioned, and the servo motor, the electric spindles 501 and 603, the pneumatic clamping jaws 304 and the pneumatic clamping heads 502 automatically move in sequence through a control program. When different workpieces 7 are machined, only the material tray 203, the pneumatic clamping jaws 304, the pneumatic clamping heads 502 and the formed grinding wheels 8 which are matched with the workpieces 7 need to be replaced, and corresponding control programs and machining references are selected.

Claims (1)

1. The utility model provides a poor machine of compound section of medical rotary tool, it includes frame, a feed mechanism, one goes up unloading mechanism, three main shaft mechanism, three grinding mechanism and a material receiving box, its characterized in that: the feeding mechanism is arranged on the left side of the front part of the upper plane of the rack and comprises a horizontal transverse guide rail arranged on the rack, a horizontal longitudinal guide rail arranged on the horizontal transverse guide rail and a material tray arranged on the horizontal longitudinal guide rail; the main shaft mechanisms each comprise an electric main shaft arranged on the rack and a pneumatic chuck arranged on the electric main shaft, the three main shaft mechanisms are arranged on the right side of the feeding mechanism at equal intervals, the distance H between the main shaft mechanisms is equal to the distance M from the leftmost main shaft mechanism to the fixed feeding point of the feeding mechanism, and the centers of the three main shaft mechanisms and the fixed feeding point of the feeding mechanism are on the same straight line; each grinding mechanism comprises a horizontal longitudinal guide rail arranged on the rack, a vertical guide rail arranged on the horizontal longitudinal guide rail and an electric spindle arranged on the vertical guide rail, and the three grinding mechanisms are respectively arranged right behind the three spindle mechanisms; the feeding and discharging mechanism comprises a support arranged in the middle of the rack, two vertical guide rails arranged on the support, a horizontal lateral guide rail arranged on the two vertical guide rails and four pneumatic clamping jaws arranged on the horizontal lateral guide rail, wherein the distance L between each pneumatic clamping jaw is equal to the distance H between the main shaft mechanisms, and the centers of the four pneumatic clamping jaws and the centers of the three main shaft mechanisms are in the same vertical plane; the material receiving box is arranged on the right side of the front part of the upper plane of the frame.

Images