CN220592968U - Auxiliary feeding device for tubular workpiece - Google Patents

Abstract

The utility model relates to the field of lathe auxiliary equipment, and discloses a tubular workpiece auxiliary feeding device which comprises a lathe body and an auxiliary feeding mechanism arranged on the lathe body, wherein the auxiliary feeding mechanism comprises a positioning seat, a sleeve, a pull rod and a feeder, the positioning seat is fixed on a three-jaw chuck, a through hole is formed in the middle of the positioning seat, the sleeve is coaxially sleeved in the through hole, a spring chuck is arranged at one end of the sleeve, the pull rod is sleeved in the sleeve, a conical block is arranged at one end of the pull rod, a first cylinder connected with the sleeve and a second cylinder connected with the pull rod are arranged on the lathe body at one end of the sleeve, which is far away from the positioning seat, and the feeder is arranged on the lathe body at one side of the positioning seat. According to the utility model, the auxiliary feeding device is arranged, so that a workpiece can be automatically taken out and put into a new workpiece after machining is finished, thereby reducing the labor intensity of workers.

Description

Auxiliary feeding device for tubular workpiece

Technical Field

The utility model relates to the field of lathe auxiliary equipment, in particular to an auxiliary feeding device for tubular workpieces.

Background

The lathe is a mechanical device for machining shaft workpieces, and is mainly divided into an ordinary lathe and a numerical control lathe, wherein the ordinary lathe is a device for cutting workpieces by manually operating a lathe tool, the numerical control lathe is an automatic device for automatically cutting the workpieces by utilizing a servo system after the workpieces are installed, set and input, the technical requirements of the ordinary lathe on workers are higher for machining, the machining efficiency is faster, the numerical control lathe can continuously work and is mainly applied to machining complex workpieces, in the actual production process, the machining efficiency of the ordinary lathe is far higher for simple workpieces machined in batches than that of the numerical control lathe, the time consumed during machining of the ordinary lathe is mainly for installing the workpieces, and in order to further improve the machining efficiency of the workpieces, the device capable of assisting the feeding of the ordinary lathe is needed.

Disclosure of Invention

The utility model aims to provide the tubular workpiece auxiliary feeding device, which can facilitate clamping and feeding of workpieces, further can avoid the manual feeding process of workers, can reduce the labor intensity of the workers on one hand, and can effectively improve the machining efficiency of an ordinary lathe on the other hand.

The utility model aims at realizing the following technical scheme:

the utility model provides a tubular workpiece auxiliary feeding device, includes lathe body and installs the auxiliary feeding mechanism on the lathe body, auxiliary feeding mechanism includes positioning seat, sleeve, pull rod and feeder, the positioning seat is fixed on the three-jaw chuck of lathe body, and the processing of positioning seat middle part has the through-hole that sets up with the three-jaw chuck coaxially, sleeve coaxial suit is in the through-hole, and the sleeve is close to positioning seat one end and installs detachable collet chuck, and the sleeve endotheca is equipped with the pull rod, and pull rod one end detachably installs the taper piece with collet adaptation, be equipped with on the lathe body of sleeve keep away from positioning seat one end with telescopic joint's first cylinder and the second cylinder of being connected with the pull rod, first cylinder and second cylinder pass through clutch coupling and sleeve and pull rod connection, the feeder is installed on lathe body of positioning seat one side, the feeder includes arm, flitch and conveyer belt horizontal installation is in lathe body one side, between arm conveyer belt and the lathe body, the flitch is installed to vertical on the arm, two flitch seats of installing on the lateral wall of flitch one side.

The locating seat comprises a limiting disc and clamping jaws, a supporting ring is formed on the outer wall of the limiting disc, a plurality of through holes for installing the clamping jaws are formed in the supporting ring, the clamping jaws are hinged in the through holes, the clamping jaws are crescent, and the arc-shaped surfaces of the crescent clamping jaws face towards the axle center.

The discharging seat is cylindrical, an avoidance opening for the conical block to pass through is processed on the discharging plate below the discharging seat, a friction pad is sleeved on the outer side of the discharging seat, and a plurality of friction rings are processed on the outer wall of the friction pad.

The auxiliary feeding device for the tubular workpiece has the beneficial effects that:

(1) By arranging the auxiliary feeding device, the workpiece can be automatically taken out and put into a new workpiece after the machining is finished, so that the labor intensity of workers is reduced;

(2) By arranging the crescent claw on the positioning seat and utilizing the cambered surface on the crescent claw, the pipe workpieces with most sizes can be used, so that the positioning seat can adapt to the processing of the workpieces with most sizes.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram provided in an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a positioning seat according to an embodiment of the present utility model.

Fig. 3 is a schematic structural view of a claw according to an embodiment of the present utility model.

Fig. 4 is a schematic side view of a blanking plate according to an embodiment of the present utility model.

Fig. 5 is a schematic top view of a blanking plate according to an embodiment of the present utility model.

Reference numerals: 1. a lathe body; 11. a three-jaw chuck; 2. a positioning seat; 21. a through hole; 22. a limiting disc; 23. a support ring; 24. a through port; 25. a claw; 3. a sleeve; 31. a spring chuck; 32. a first cylinder; 4. a pull rod; 41. a conical block; 42. a second cylinder; 5. a feeder; 51. a mechanical arm; 52. a discharging plate; 53. a discharging seat; 54. a friction pad; 55. a friction ring; 56. an avoidance port; 57. and (3) a conveyor belt.

Detailed Description

Examples

As shown in fig. 1 to 5, the tubular workpiece auxiliary feeding device provided in this embodiment includes a lathe body 1 and an auxiliary feeding mechanism mounted on the lathe body 1, the auxiliary feeding mechanism includes a positioning seat 2, a sleeve 3, a pull rod 4 and a feeder 5, the positioning seat 2 is fixed on a three-jaw chuck 11 of the lathe body 1, the three-jaw chuck 11 is a self-contained clamping device on the lathe body 1, which belongs to the prior art, and therefore, not described herein, a through hole 21 coaxially arranged with the three-jaw chuck 11 is processed in the middle of the positioning seat 2, the sleeve 3 is coaxially sleeved in the through hole 21, a detachable collet chuck 31 is mounted at one end of the sleeve 3 near the positioning seat 2, a pull rod 4 is sleeved in the sleeve 3, a conical block 41 adapted to the collet chuck 31 is detachably mounted at one end of the pull rod 4, when the pull rod 4 is pulled backwards, the conical block 41 can expand the inside of the collet chuck 31, the lathe is used for fixing the inside of a workpiece so as to hold up a pipe workpiece, a first air cylinder 32 connected with the sleeve 3 and a second air cylinder 42 connected with a pull rod 4 are arranged on a lathe body 1 at one end of the sleeve 3 far away from a positioning seat 2, the first air cylinder 32 drives the sleeve 3 to horizontally move in a through hole 21, the second air cylinder 42 drives the pull rod 4 to horizontally move in the through hole 21, the first air cylinder 32 and the second air cylinder 42 are connected with the sleeve 3 and the pull rod 4 through a clutch coupling, the clutch coupling is used for enabling the first air cylinder 32 and the second air cylinder 42 to only drive the sleeve 3 and the pull rod 4 to move but not rotate along with the sleeve, the clutch coupling belongs to the prior art, and is not repeated herein, the feeder 5 is arranged on the lathe body 1 at one side of the positioning seat 2, and comprises a mechanical arm 51, a discharging plate 52, a discharging seat 53 and a conveying belt 57, the conveyer belt 57 is installed on one side of the machine tool body horizontally, the mechanical arm 51 is arranged between the conveyer belt 57 and the machine tool body 1, the discharging plate 52 is vertically installed on the mechanical arm 51, two discharging seats 53 are installed on the side wall of one side of the discharging plate 52, one of the two discharging seats 53 is used for placing a pipe workpiece to be processed, the other is used for taking out the pipe workpiece after processing, and the distance between the two discharging seats 53 is larger than the distance between the pipe workpieces.

In order to ensure the stability of holding the tubular workpiece, as shown in fig. 2 and 3, the positioning seat 2 comprises a limiting disc 22 and a clamping jaw 25, a supporting ring 23 is formed on the outer wall of the limiting disc 22, a plurality of through holes 24 for installing the clamping jaw 25 are formed in the supporting ring 23, the clamping jaw 25 is hinged in the through holes 24, the clamping jaw 25 is in a crescent shape, the arc surface of the crescent clamping jaw 25 faces towards the axis, when the sleeve 3 moves backwards, the crescent clamping jaw 25 contacts with the workpiece, a plurality of crescent clamping jaws 25 contact with the outer wall of the workpiece and are used for assisting clamping of the workpiece, and the clamping surface of the crescent clamping jaw 25 is in an arc shape, so that the clamping jaw can adapt to the use of workpieces with various sizes.

As shown in fig. 4 and 5, in order to ensure the stability of the workpiece during installation, the discharging seat 53 is cylindrical, the discharging plate 52 below the discharging seat 53 is processed with a avoiding opening 56 for the conical block 41 to pass through, the outer side of the discharging seat 53 is sleeved with a friction pad 54, the outer wall of the friction pad 54 is processed with a plurality of friction rings 55, and the friction pad 54 can improve the stability of the workpiece during movement so as to prevent the workpiece from falling.

The application method of the utility model is as follows:

when in use, the conveying belt 57 is utilized to convey a workpiece at the rear side of the lathe body 1, the mechanical arm 51 utilizes the discharging seat 53 on the discharging plate 52 to support the workpiece and move the workpiece to one side of the positioning seat 2, at the moment, the first air cylinder 32 and the second air cylinder 42 extend simultaneously, the first air cylinder 32 enables the collet chuck 31 on the sleeve 3 to extend into the workpiece, the second air cylinder 42 drives the conical block 41 on the pull rod 4 to extend into the avoidance port 56, then the second air cylinder 42 drives the conical block 41 to extend into the collet chuck 31, so that the collet chuck 31 is spread and used for supporting the inside of the collet chuck 31, then the first air cylinder 32 and the second air cylinder 42 retract simultaneously, so that the workpiece moves towards the positioning seat 2, during the moving process, the outer wall of the workpiece is abutted with the cambered surface of the claw 25, the cambered surface of the crescent claw 25 rotates towards the workpiece along with the increase of the retraction force so as to clamp the workpiece, at this time, the loading operation of the workpiece is completed, the worker operates the tool rest to move toward the workpiece, the cutting operation is performed on the workpiece by using the turning tool on the tool rest, after the cutting operation is completed, the worker removes the tool rest and controls the auxiliary loading mechanism to perform the reloading operation, at this time, the worker can take out the next workpiece to be processed from the conveyor belt 57 by using one of the unloading seats 53, then the empty unloading seat 53 is moved to one side of the positioning seat 2, at this time, the first cylinder 32 and the second cylinder 42 are extended, the processed workpiece is ejected, and the workpiece is pushed into the unloading seat 53, then the second cylinder 42 is extended continuously, the collet chuck 31 is released, at this time, the processed workpiece is placed on the unloading seat 53, and finally the first cylinder 32 and the second cylinder 42 are retracted, the mechanical arm 51 moves the workpiece to be processed to one side of the positioning seat 2, the above steps are repeated to complete the re-mounting of the workpiece, and finally, the robot arm 51 places the machined workpiece on the conveyor 57.

The foregoing is merely a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any modification and substitution based on the technical scheme and the inventive concept provided by the present utility model should be covered in the scope of the present utility model. It should be noted that the structures or components illustrated in the drawings are not necessarily drawn to scale, and that descriptions of well-known components and processing techniques and procedures are omitted so as not to unnecessarily limit the present utility model.

Claims (3)

1. The utility model provides a tubular workpiece auxiliary feeding device, includes lathe body and installs the auxiliary feeding mechanism on lathe body, its characterized in that: the auxiliary feeding mechanism comprises a positioning seat, a sleeve, a pull rod and a feeder, wherein the positioning seat is fixed on a three-jaw chuck of a lathe body, a through hole which is coaxially arranged with the three-jaw chuck is formed in the middle of the positioning seat, the sleeve is coaxially sleeved in the through hole, a detachable collet chuck is arranged at one end of the sleeve, the pull rod is sleeved in the sleeve, a conical block which is matched with the collet chuck is detachably arranged at one end of the pull rod, a first cylinder which is connected with the sleeve and a second cylinder which is connected with the pull rod are arranged on the lathe body at one end of the sleeve, which is far away from the positioning seat, the first cylinder and the second cylinder are connected with the sleeve and the pull rod through a clutch type coupler, the feeder is arranged on the lathe body at one side of the positioning seat, the feeder comprises a mechanical arm, a discharging plate, the discharging seat and a conveying belt which is horizontally arranged at one side of the lathe body, the mechanical arm conveying belt and the lathe body are vertically provided with the discharging plate, and two discharging seats are arranged on the side wall at one side of the discharging plate.

2. The tubular workpiece auxiliary feeding device according to claim 1, wherein: the locating seat comprises a limiting disc and clamping jaws, a supporting ring is formed on the outer wall of the limiting disc, a plurality of through holes for installing the clamping jaws are formed in the supporting ring, the clamping jaws are hinged in the through holes, the clamping jaws are crescent, and the arc-shaped surfaces of the crescent clamping jaws face towards the axle center.

3. The tubular workpiece auxiliary feeding device according to claim 1, wherein: the discharging seat is cylindrical, an avoidance opening for the conical block to pass through is processed on the discharging plate below the discharging seat, a friction pad is sleeved on the outer side of the discharging seat, and a plurality of friction rings are processed on the outer wall of the friction pad.