CN210451003U

CN210451003U - Bar pressing and transferring device for centerless lathe

Info

Publication number: CN210451003U
Application number: CN201921105777.9U
Authority: CN
Inventors: 许斌; 王田军; 邵同勋; 李梦龙
Original assignee: Luoyang Nuclear New Titanium Industry Co Ltd
Current assignee: Luoyang Nuclear New Titanium Industry Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-05-05
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a bar pressing and transferring device for a centerless lathe, which comprises a feed hopper, wherein the feed hopper is fixedly arranged on a plurality of pairs of mounting frames which are arranged in a straight line, each pair of mounting frames is provided with a driving roller, the driving rollers are arranged in a horizontal straight line and are connected by means of transmission of a transmission belt, and the mounting frames are provided with a driving motor for driving the driving rollers to rotate; photoelectric switches are arranged on the mounting frames below the front end and the rear end of the feed hopper, and the photoelectric switches are positioned above the side surface of the driving roller; a pair of electro-hydraulic push rods are symmetrically arranged on each pair of mounting frames and are fixedly arranged between the feed hopper and the driving roller in an inclined mode. Has the advantages that: rod compress tightly transfer device can compress tightly the rod and transfer, guarantee that the rod transfers the in-process and not put partially, ensure in the rod once disect insertion careless lathe, saved the artifical trouble of transferring of assisting, labour saving and time saving effectively reduces the processing cost, the practicality is good.

Description

Bar pressing and transferring device for centerless lathe

Technical Field

The utility model relates to a rod processing field, concretely relates to rod compresses tightly transfer device for centerless lathe.

Background

The centerless lathe is common processing equipment in the bar processing process, and can remove substances such as cracks, decarburized layers and the like on the surface of a bar; the centerless lathe generally comprises a lathe body, a feeding frame and a feeding mechanism, wherein a bar material stored on the feeding frame firstly falls onto the feeding mechanism and then is fed into the lathe body by the feeding mechanism for processing, because the diameter of a jack for the bar material to pass through is not very large and is generally as large as the diameter of the bar material, the bar material must be ensured not to deviate in the transferring process, otherwise, the bar material cannot be accurately inserted into the jack, but the conventional bar material transferring mechanism generally difficultly compresses and transfers the bar material, the bar material is generally directly placed on a conveying roller and is driven by the conveying roller to move towards the jack, so that the bar material cannot swing up and down and left and right in the transferring process, and the bar material cannot be directly inserted into the jack, in order to solve the problems, the conventional transferring device is designed to be longer, and the distance between two adjacent conveying rollers on the transferring device is smaller, that is, carry the distance through the increase, the number that increases the conveying roller alleviates the pendulum deflection that the rod transportation in-process takes place, in addition, when the rod is about to be close to the jack, prevent the rod skew through artifical holding the rod, make in the rod can insert centerless lathe smoothly, above-mentioned these operations all need consume certain manpower and materials for the processing cost of rod is higher, is unfavorable for the enterprise development, consequently is necessary to improve current rod transfer device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rod compresses tightly transfer device for centerless lathe just in order to solve above-mentioned problem to traditional rod compresses tightly transfer mechanism can't compress tightly the rod and transfers among the solution prior art, and the rod can take place the pendulum partially at the in-process of transferring, leads to the unable accuracy of rod to insert centerless lathe in, consequently transfer the in-process and must guarantee with the help of artifical supplementary just can once insert the jack smoothly to the rod, relatively troublesome, manpower and materials cost is with high costs, and the practicality is not strong. The utility model provides an among a great deal of technical scheme preferred technical scheme can compress tightly the rod and transfer, guarantees that the rod transfers the in-process and does not put partially, ensures in the rod once disect insertion careless lathe, has saved the trouble that artifical supplementary was transferred, and labour saving and time saving effectively reduces the processing cost, and the practicality is good, sees the following explanation in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a bar material compressing and transferring device for a centerless lathe, which comprises a feed hopper, wherein the feed hopper is fixedly arranged on a plurality of pairs of mounting frames which are arranged in a straight line, each pair of mounting frames is provided with a driving roller, the driving rollers are arranged in a horizontal straight line and are connected by means of transmission of a transmission belt, and the mounting frames are provided with a driving motor for driving the driving rollers to rotate; photoelectric switches are arranged on the mounting frames below the front end and the rear end of the feed hopper, and the photoelectric switches are positioned above the side surface of the driving roller; every to all the symmetry install a pair of electric liquid push rod on the mounting bracket, electric liquid push rod slope fixed mounting is between feeder hopper and drive roller, fixed mounting has pressure switch on the push rod head of electric liquid push rod lower extreme, pressure switch's lower extreme slope fixed mounting has the mount pad, slope mounting has the pinch roller on the mount pad, the side middle part of pinch roller can be connected with the rod crimping of various diameters, and every two pinch rollers on the mounting bracket are the symmetric distribution.

As an important design of the scheme, a roller sleeve is tightly sleeved on the driving roller.

As the optimized design of the scheme, the outer wall surface of the roller sleeve is a concave surface.

As the optimal design of the scheme, two baffles which are arranged in parallel horizontally are fixedly arranged on a plurality of pairs of mounting frames, and the two baffles are respectively positioned right above the two ends of the driving roller.

As the optimization design of the scheme, the buffer strips are fixedly arranged on the opposite sides of the two baffle plates.

As the optimal design of the scheme, a cushion pad is fixedly arranged on the inner wall of the feeding hopper.

As the optimized design of the scheme, the upper tightening cylinder of the compression roller is provided with a roller skin.

Has the advantages that: rod compress tightly transfer device can compress tightly the rod and transfer, guarantee that the rod transfers the in-process and not put partially, ensure in the rod once disect insertion careless lathe, saved the artifical trouble of transferring of assisting, labour saving and time saving effectively reduces the processing cost, the practicality is good.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

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

figure 3 is a cross-sectional view of the present invention from figure 2;

fig. 4 is an enlarged view of a portion of fig. 3 according to the present invention;

fig. 5 is a design schematic diagram of the electro-hydraulic push rod and the compression roller of the present invention.

The reference numerals are explained below:

1. a feed hopper; 2. a cushion pad; 3. a mounting frame; 4. a drive roller; 5. a roller sleeve; 6. a transmission belt; 7. a drive motor; 8. a baffle plate; 9. a buffer strip; 10. a photoelectric switch; 11. an electro-hydraulic push rod; 12. a mounting seat; 13. a pressure roller; 14. rolling a roller skin; 15. a pressure switch; 16. a bar material; 17. and (4) a concave surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a bar compressing and transferring device for a centerless lathe, which includes a feeding hopper 1, wherein the feeding hopper 1 is used for receiving a bar 16 conveyed by a feeding mechanism, because the feeding manner of the existing feeding mechanism is that the bar 16 drops from the feeding mechanism onto the transferring mechanism, the present invention also adopts a dropping feeding manner, that is, the feeding hopper 1 is disposed above a driving roller 4, the dropped bar 16 is received by the feeding hopper 1, then the bar 16 drops onto the driving roller 4 by means of its own gravity, the feeding hopper 1 is fixedly mounted on a plurality of pairs of mounting frames 3 arranged in a straight line, each pair of mounting frames 3 is mounted with a driving roller 4, the driving rollers 4 are arranged in a horizontal line and are connected by means of a driving belt 6, so designed, after the driving motor 7 rotates, the driving motor 7 drives all the driving rollers 4 to synchronously rotate to drive the bar 16 to move towards the centerless lathe, and the mounting frame 3 is provided with the driving motor 7 for driving the driving rollers 4 to rotate; the mounting frames 3 positioned below the front end and the rear end of the feed hopper 1 are respectively provided with a photoelectric switch 10, the photoelectric switches 10 positioned below the front end of the feed hopper 1 are used for detecting whether bars 16 fall onto the driving roller 4 or not, the photoelectric switches 10 positioned below the rear end of the feed hopper 1 are used for detecting whether the whole bars 16 leave the driving roller 4 and completely enter the centerless lathe or not, so that the driving motor 7 is controlled to stop rotating in time and the electric-hydraulic push rod 11 is controlled to reversely drive the pinch roller 13 to return to the original position, the next bar 16 falls onto the driving roller 4 after waiting, and the photoelectric switches 10 are positioned above the side surfaces of the driving roller 4, so that the bars 16 fall onto the driving roller 4 is not influenced, and the photoelectric switches 10 are prevented from being damaged due to the fact that the; a pair of electro-hydraulic push rods 11 are symmetrically installed on each pair of installation frames 3, the electro-hydraulic push rods 11 are obliquely and fixedly installed between the feed hopper 1 and the driving roller 4, pressure switches 15 are fixedly installed on push rod heads at the lower ends of the electro-hydraulic push rods 11, the pressure switches 15 are used for timely controlling the driving motor 7 to be started after the pressing rollers 13 are tightly pressed on the bars 16, installation seats 12 are fixedly installed at the lower ends of the pressure switches 15 in an inclined mode, the pressing rollers 13 are obliquely installed on the installation seats 12, the middle of the side surfaces of the pressing rollers 13 can be connected with the bars 16 with various diameters in a pressing mode all the time only through the fact that the electro-hydraulic push rods 11 and the pressing rollers 13 are obliquely arranged, then the two ends of the pressing rollers 13 are uniformly stressed, the two ends of the pressing rollers 13 are prevented from being worn eccentrically, the service life of the pressing rollers 13 is shortened, the inclination angles of the, ra, Rb and Rc respectively represent the diameters of the three bar materials 16 a, b and c, and Ra, Rb and Rc are all vertical to the central axis of the pressure roller 13, the corresponding point o represents the contact point of the pressure roller 13 and the three bar materials 16 a, b and c, then, the three o points are connected, namely the three o points are all positioned on the straight line L, so that the purpose that only the middle part of the side surface of the pressing roller 13 can be connected with the bars 16 with various diameters in a pressing mode is achieved, the moving direction of the electro-hydraulic push rod 11 for pushing the mounting seat 12 is required to be parallel to the straight line L, the inclination angle of the straight line L is the inclination angle of the electro-hydraulic push rod 11, and the inclination angle of the pinch rollers 13 can refer to the inclination angle of Ra, Rb or Rc, the two pinch rollers 13 on each pair of mounting frames 3 are symmetrically distributed, due to the design, the two pressing rollers 13 can press the bar 16 together with the driving roller 4, and the bar 16 is ensured not to swing on the driving roller 4.

When the bar 16 pressing and transferring device is used, a bar 16 enters the feed hopper 1 through the feeding mechanism and then falls onto the plurality of driving rollers 4, at the moment, the photoelectric switch 10 positioned at the front end of the feed hopper 1 can detect that the bar 16 is arranged on the driving rollers 4, the photoelectric switch 10 controls the electric-hydraulic push rod 11 to rotate to push the mounting seat 12 and the pressing roller 13 to move obliquely and downwards until the middle part of the side surface of the pressing roller 13 is pressed on the outer wall of the bar 16, at the moment, the pressure switch 15 is extruded by the electric-hydraulic push rod 11 to trigger the driving motor 7 to rotate to drive the driving rollers 4 to rotate, the driving rollers 4 rotate to drive the bar 16 to move towards a centerless lathe along the length direction of the bar, the bar 16 cannot swing in the moving process due to the extrusion of the pressing roller 13, the bar 16 can be inserted into the centerless lathe at one time, and after the, the photoelectric switch 10 at the rear end of the feeding hopper 1 can detect that the bar 16 leaves the driving roller 4, and at this time, the photoelectric switch 10 controls the driving motor 7 to stop rotating and controls the electro-hydraulic push rod 11 to reversely reset to wait for the next bar 16 to enter the feeding hopper 1.

As an alternative embodiment, the driving roller 4 is tightly sleeved with a roller sleeve 5, so as to avoid the occurrence of roll slip between the bar 16 and the driving roller 4 to influence the transfer of the bar 16, the roller sleeve 5 may be sleeved on the surface of the driving roller 4, and the roller sleeve 5 may be made of rubber.

The outer wall of the sleeve 5 is concave 17, so designed that, after the bar 16 has fallen onto the sleeve 5, the bar 16 will eventually rest at the lowest point of the concave 17 in the middle of the sleeve 5, regardless of how the bar 16 rolls.

Many fixed mounting have two baffles 8 that are horizontal parallel arrangement on the mounting bracket 3, and two baffles 8 are located directly over the drive roller 4 both ends respectively, set up baffle 8 and be in order to protect rod 16, avoid rod 16 striking mounting bracket 3 to lead to the surface damage, because the 3 edges of mounting bracket are obvious, produce the processing of indent influence to rod 16 on the surface of rod 16 easily after rod 16 hits the edge.

The equal fixed mounting in relative one side has buffering strip 9 on two baffles 8, sets up buffering strip 9 and is in order to protect rod 16, avoids rod 16 and baffle 8 to take place violent striking damage rod 16, and buffering strip 9 can adopt the rubber preparation.

Fixed mounting has blotter 2 on the inner wall of feeder hopper 1, and similarly, the purpose that sets up blotter 2 is also for protecting rod 16, avoids rod 16 and feeder hopper 1's inner wall to collide and damage rod 16, and blotter 2 can adopt the rubber preparation.

A tight tube on the pinch roller 13 is provided with a roller skin 14, in order to enable the bar 16 to stably move on the driving roller 4 and avoid the relative slip of the pinch roller 13 and the bar 16, the roller skin 14 is sleeved on the pinch roller 13, the pinch roller 13 and the bar 16 are prevented from relative slip through the roller skin 14, and the roller skin 14 can be made of rubber.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a rod compresses tightly transfer device for centerless lathe, includes feeder hopper (1), characterized by: the feeding hopper (1) is fixedly arranged on a plurality of pairs of mounting frames (3) which are arranged in a straight line, each pair of mounting frames (3) is provided with a driving roller (4), the driving rollers (4) are arranged in a horizontal straight line and are in transmission connection by virtue of a driving belt (6), and the mounting frames (3) are provided with driving motors (7) for driving the driving rollers (4) to rotate; photoelectric switches (10) are arranged on the mounting frames (3) below the front end and the rear end of the feed hopper (1), and the photoelectric switches (10) are positioned above the side surfaces of the driving rollers (4); every to installing frame (3) on equal symmetry install a pair of electric liquid push rod (11), electric liquid push rod (11) slope fixed mounting between feeder hopper (1) and drive roller (4), the overhead fixed mounting of push rod of electric liquid push rod (11) lower extreme has pressure switch (15), the lower extreme slope fixed mounting of pressure switch (15) has mount pad (12), slope installation has compressing roller (13) on mount pad (12), the side middle part and rod (16) crimping of compressing roller (13) are connected, and every is symmetrical distribution to two compressing roller (13) on installing frame (3).

2. The bar material pressing and transferring device for the centerless lathe according to claim 1, wherein: the driving roller (4) is tightly sleeved with a roller sleeve (5).

3. The bar material pressing and transferring device for the centerless lathe according to claim 2, wherein: the outer wall surface of the roller sleeve (5) is a concave surface (17).

4. The bar material pressing and transferring device for the centerless lathe according to claim 1, wherein: a plurality of pairs of mounting frames (3) are fixedly provided with two baffles (8) which are horizontally arranged in parallel, and the two baffles (8) are respectively positioned right above the two ends of the driving roller (4).

5. The bar material pressing and transferring device for the centerless lathe according to claim 4, wherein: and buffer strips (9) are fixedly arranged on the opposite sides of the two baffles (8).

6. The bar material pressing and transferring device for the centerless lathe according to claim 1, wherein: a buffer pad (2) is fixedly arranged on the inner wall of the feed hopper (1).

7. The bar material pressing and transferring device for the centerless lathe according to claim 1, wherein: and a tightening cylinder on the compression roller (13) is provided with a roller skin (14).