CN212761132U

CN212761132U - Lathe feeding device

Info

Publication number: CN212761132U
Application number: CN202021596702.8U
Authority: CN
Inventors: 薛超豪
Original assignee: Ruian Lightning Machinery Co ltd
Current assignee: Ruian Lightning Machinery Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-03-23
Anticipated expiration: 2030-08-05

Abstract

The utility model discloses a lathe material feeding unit, which comprises a frame, be equipped with feed mechanism and feeding mechanism in the frame, a serial communication port, feeding mechanism includes the chute feeder, push away the material spare, ejector pad and ejector pad grabbing piece, the ejector pad all locates the chute feeder with the ejector pad, the ejector pad is connected with the chain, it carries out reciprocating motion by the chain drive to push away the material spare, ejector pad grabbing piece drives ejector pad up-and-down motion, the ejector pad front end is equipped with removable head, be equipped with the bearing in the head, the bearing center is the spacing hole of bar, feed mechanism is including the bar support frame that the slope set up and lift the bar and send the material spare of lifting to the chute feeder, the chute feeder side is located to the bar support frame, it carries out the oscilaltion by the power supply drive to lift the material spare. The pushing rod head can be replaced according to the diameter of the material rod, the pushing rod is driven to move up and down by the grabbing piece of the pushing rod, and the pushing rod and the pushing piece are matched with each other, so that the automation degree of replacing the pushing rod is improved, and the replacement is more convenient and rapid.

Description

Lathe feeding device

Technical Field

The utility model relates to a numerical control lathe auxiliary assembly, in particular to lathe material feeding unit.

Background

The numerical control lathe is widely applied to the machining industries of parts such as pipes, bars, internal threads and external threads at present, and when a common numerical control lathe machines one workpiece, a person is required to manually place the bars into a lathe fixture and then clamp and set the tool, so that the operation mode has certain defects in safety and efficiency.

In the prior art, a lathe feeder generally comprises a feeding groove, a pushing piece and a pushing power source for pushing the pushing piece to slide, a bar is guided into the feeding groove through a conveying belt or a roller, one end of the bar is pushed by a pushing rod, and the bar is moved forward to a position close to lathe machining, so that the purpose of automatic feeding is achieved.

However, the diameters of the bars machined by the lathe are different, and in order to accurately feed the bars, a bar limiting device needs to be arranged, so that the structure is complex, the occupied area of the device is large, and the equipment cost is high.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a lathe material feeding unit can be suitable for the accurate pay-off of the bar of different diameters.

In order to achieve the above purpose, the utility model provides a following technical scheme: the lathe feeding device comprises a rack, wherein a feeding mechanism and a feeding mechanism are arranged on the rack, and the lathe feeding device is characterized in that the feeding mechanism comprises a feeding groove, a pushing part, a pushing rod and a pushing rod grabbing part, the pushing rod and the pushing part are both arranged in the feeding groove, the pushing part is connected with a chain, the pushing part is driven by the chain to perform reciprocating motion, the pushing rod grabbing part drives the pushing rod to move up and down, a replaceable head is arranged at the front end of the pushing rod, a bearing is arranged in the head, a rod limiting hole is formed in the center of the bearing, the feeding mechanism comprises a rod supporting frame which is obliquely arranged and a lifting part which lifts the rod to the feeding groove, the rod supporting frame is arranged on the side edge of the feeding groove, and the lifting part is driven by a power source to perform up-down lifting motion.

The feeding groove is provided with a front section and a rear section, a bar limiting block is arranged at the tail end of the front section, the material pushing bar grabbing piece is located at the rear section, and the feeding mechanism is located on the side edge of the rear section.

The material pushing rod grabbing piece comprises a hook portion used for hooking the material pushing rod and a first rotating shaft driving the hook portion to swing up and down.

The material lifting piece is connected with a second rotating shaft, and the second rotating shaft rotates to drive the material lifting piece to swing up and down.

The utility model has the advantages that: the tail end of the bar is inserted into the bar limiting hole to rotate at a high speed in the forward propelling process, so that the abrasion of the bar in the rotating process can be reduced; the material lifting piece is arranged on the bar stock supporting frame, so that automatic feeding can be realized, the structure is simple, and the operation is convenient; the pushing rod head can be replaced according to the diameter of the material rod, the pushing rod is driven to move up and down by the grabbing piece of the pushing rod, and the pushing rod and the pushing piece are matched with each other, so that the automation degree of replacing the pushing rod is improved, and the replacement is more convenient and rapid.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a schematic view of a pushing member, a pushing rod and a bar pushing device.

Detailed Description

Referring to the attached drawings, the lathe feeding device comprises a rack 1, wherein a feeding mechanism 2 and a feeding mechanism 3 are arranged on the rack 1, the feeding mechanism 3 comprises a feeding groove 4, a pushing part 5, a pushing rod 6 and a pushing rod grabbing part 7, the pushing rod 6 and the pushing part 5 are arranged in the feeding groove 4, the pushing part 5 is connected with a chain 8, the pushing part 5 is driven by the chain 8 to reciprocate, the pushing part 5 can push a rod 10 and can also push the pushing rod 6 under the transmission of the chain 8.

The front end of the material pushing rod 6 is provided with a replaceable head 6a, and the head at the front end of the material pushing rod can be replaced according to the diameter of the bar stock. Be equipped with bearing 9 in the head 6a, the bearing center is the spacing hole of bar, and the bar head is in high-speed rotatory state at the in-process that the lathe carries out processing, consequently, the ejector pin need set up the bearing and follow the bar and rotate together when propelling movement bar afterbody forward, can reduce the wearing and tearing that the rotatory process of bar caused like this, and the afterbody of bar inserts the spacing downthehole of bar in addition, can carry out accurate pay-off.

Under normal propelling movement state, pushing component 5, ejector tie 6, bar 10 set gradually, in order to realize the butt joint between ejector tie and the bar, need set up ejector tie and grab a 7, ejector tie is grabbed 7 and can is driven ejector tie 6 up-and-down motion, before the bar gets into the chute feeder, the ejector tie need rise and break away from the chute feeder for the ejector tie can be earlier with the bar propelling movement to the assigned position that gets into in the chute feeder, then after the ejector tie withdraws to initial position, the ejector tie descends and gets into the chute feeder, the ejector tie promotes the ejector tie again and removes to the bar, thereby make the bar insert the bar spacing downthehole of bar of ejector tie.

When the head of the material pushing rod needs to be replaced, the material pushing piece pushes the material pushing rod to move forwards, so that the material pushing rod is separated from the material pushing rod grabbing piece, a worker can remove the material pushing rod in the feeding groove to replace the head, and the head replacing device is suitable for pushing work of different rod materials.

Feed mechanism 2 lifts up the material piece 13 of lifting of delivering to the chute feeder including the bar support frame 12 that the slope set up and with the bar, 4 sides in the chute feeder are located to bar support frame 12, lift the material piece and carry out the oscilaltion motion by the power supply drive, bar 10 is placed on bar support frame 12, bar 10 and chute feeder 4 parallel arrangement, and bar 10 can roll into in the chute feeder 4 after lifting material piece 13 and lifting.

In this embodiment, the chute feeder 4 is provided with a front section 4a and a rear section 4b, the end of the front section 4a is provided with a bar stopper 11, the ejector pin grabbing piece 7 is located at the rear section 4b, the feeding mechanism 2 is located at the side of the rear section 4b, the bar 10 can fall into the rear section 4b of the chute feeder when feeding, and is pushed to the front section 4a by the ejector pin 5, and the end of the bar is clamped by the bar stopper to realize limitation, so that the end of the bar can be smoothly inserted into the limiting hole of the ejector pin located at the rear section.

The bar stopper includes left stopper and right stopper, left side stopper is equipped with first semicircular groove, right side stopper is equipped with the second semicircular groove, left side stopper and right stopper form a complete circular groove together and supply the bar to pass through, and left stopper and right stopper can press from both sides the bar and tightly fix a position, help the bar end can insert the spacing downthehole that is located the ejector tie stick of back end smoothly.

In this embodiment, the pusher gripping member 7 includes a hook 7a for hooking the pusher and a first rotating shaft 7b for driving the hook to swing up and down. The first rotating shaft is provided with a plurality of groups of hook parts, and the material pushing rod is driven by the hook parts to lift up and down.

The material lifting piece 13 is connected with the second rotating shaft 14, the second rotating shaft 14 rotates to drive the material lifting piece 13 to swing up and down, the material lifting piece 13 swings up and down to lift the bar located at the bottom of the bar support frame 12, the lifted bar can automatically roll into the feeding chute 4, the material lifting piece 13 descends, the bar on the bar support frame 12 rolls downwards, and the bar is continuously supplied.

The working principle is as follows: before the bar enters the feeding groove, the pushing rod needs to be lifted to be separated from the feeding groove, the feeding piece is located at the tail end of the feeding groove to wait, after the lifting piece swings upwards to feed the bar into the feeding groove, the pushing piece pushes the tail end of the bar to move forwards to push the bar to a designated position at the front section of the feeding groove, the tail end of the bar is clamped by the bar limiting block to be positioned, meanwhile, the pushing piece retreats to an initial position to wait, then the pushing rod descends to enter the feeding groove, the pushing piece pushes the pushing rod to move forwards again until the tail end of the bar is inserted into the bar limiting hole of the pushing rod, the bar limiting block is opened to release the bar, the pushing piece continues to push the pushing rod to move forwards, the head of the bar is processed in a lathe in the advancing process, the bar rotates simultaneously, the pushing rod enters the front section of the feeding groove when the bar is processed, and the front section of, therefore, the pushing rod can be manually taken out to replace the head, the pushing piece moves to the foremost end of the feeding groove before the head is replaced and the pushing rod is placed into the front section of the feeding groove, the pushing piece pushes the head of the pushing rod to move backwards until the pushing rod enters the rear section of the feeding groove, the pushing rod is hooked up by the hook part to rise, and the pushing piece can return to the initial position to wait for processing of the next rod.

Claims

1. The lathe feeding device comprises a rack, wherein a feeding mechanism and a feeding mechanism are arranged on the rack, and the lathe feeding device is characterized in that the feeding mechanism comprises a feeding groove, a pushing part, a pushing rod and a pushing rod grabbing part, the pushing rod and the pushing part are both arranged in the feeding groove, the pushing part is connected with a chain, the pushing part is driven by the chain to perform reciprocating motion, the pushing rod grabbing part drives the pushing rod to move up and down, a replaceable head is arranged at the front end of the pushing rod, a bearing is arranged in the head, a rod limiting hole is formed in the center of the bearing, the feeding mechanism comprises a rod supporting frame which is obliquely arranged and a lifting part which lifts the rod to the feeding groove, the rod supporting frame is arranged on the side edge of the feeding groove, and the lifting part is driven by a power source to perform up-down lifting motion.

2. The lathe feeding device of claim 1, wherein the feeding chute is provided with a front section and a rear section, a rod limiting block is arranged at the tail end of the front section, the ejector rod grabbing piece is positioned at the rear section, and the feeding mechanism is positioned at the side edge of the rear section.

3. The lathe feeding device of claim 1, wherein the pusher gripping member comprises a hook portion for hooking the pusher and a first rotating shaft for driving the hook portion to swing up and down.

4. The lathe feeding device of claim 1, wherein the material lifting member is connected with a second rotating shaft, and the second rotating shaft rotates to drive the material lifting member to swing up and down.