CN215357440U

CN215357440U - Automatic loading and unloading device of centerless machine tool

Info

Publication number: CN215357440U
Application number: CN202121738965.2U
Authority: CN
Inventors: 王闻生; 杨彬
Original assignee: Yantai Kejie Cnc Mechanical Equipment Co ltd
Current assignee: Yantai Kejie Cnc Mechanical Equipment Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-12-31
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses an automatic loading and unloading device for a centerless machine tool, which comprises a workbench, wherein a material storage table is arranged on one side of the top of the workbench, a centerless machining mechanism main body is arranged on the other side of the top of the workbench, an installation frame is fixed on the top of the workbench, and a numerical control mechanical arm is arranged in the middle of the bottom of the installation frame. According to the utility model, the gears are respectively meshed with the double-sided toothed plate and the toothed plate main body, the two groups of movable mounting blocks are respectively in threaded connection with the positive and negative screw rods and are in sliding connection with the first device bin, so that when the positive and negative screw rods rotate to drive the two groups of movable mounting blocks and the components thereon to clamp, and the double-sided toothed plate is squeezed to move towards the direction far away from the middle, the two groups of toothed plate main bodies can move towards the direction close to the middle until the double-sided toothed plate main bodies are attached to the tubular part, so that the double-sided toothed plate can be matched to fully clamp and fix the part, and the clamping pre-tightening force can be adjusted according to actual needs.

Description

Automatic loading and unloading device of centerless machine tool

Technical Field

The utility model relates to the technical field of centerless machine tools, in particular to an automatic loading and unloading device for a centerless machine tool.

Background

With the continuous progress of society, more and more mechanical equipment appears in people's daily production and production, and mechanical equipment generally comprises a plurality of spare parts, generally need to use the lathe when producing these spare parts, and the lathe that needs to be used when aiming at different spare parts manufacturing is also different, therefore the lathe divides into a large number of kinds, and the machine tool of careless is one of them, and the machine tool of careless is in the in-service use in practice, will generally be equipped with automatic unloader and cooperate.

The automatic unloader that goes up of current centerless lathe because the processing part of centerless lathe generally is the tubulose, consequently generally adopts the arm cooperation clamping part to grasp the one end of processing part and put into the lathe inside and process or take out from the lathe inside and carry out the unloading, but it is in the clamping process, because the part is mostly the tubulose, consequently adopts comparatively traditional centre gripping mode centre gripping steadiness not enough, and then leads to taking place the skew easily in the clamping process part and even drop, causes the unnecessary loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an automatic loading and unloading device for a centerless machine tool.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an automatic loading and unloading device of a centerless machine tool comprises a workbench, wherein a storage platform is installed on one side of the top of the workbench, a centerless machining mechanism main body is installed on the other side of the top of the workbench, a mounting frame is fixed on the top of the workbench, a numerical control mechanical arm is installed at the middle position of the bottom of the mounting frame, the output end of the numerical control mechanical arm is connected with a first device bin, a servo motor is installed on one side of the first device bin, the output end of the servo motor is connected with a positive and negative lead screw, the positive and negative lead screws penetrate through the first device bin, movable mounting blocks are sleeved on the outer sides of the positive and negative lead screws close to the two ends, a second device bin is installed at the bottom of each movable mounting block, air cylinders are installed at the two ends of one side of the first device bin inside the second device bin, the output ends of the air cylinders are connected with movable plates, and springs are installed on one sides of the movable plates close to the air cylinders, and the spring is kept away from the one end of fly leaf and is installed double toothed plate to double toothed plate runs through second device storehouse, be provided with the stop gear who is used for assisting double toothed plate to carry out the centre gripping on the second device storehouse.

Preferably, the movable mounting block is in threaded connection with the positive and negative screw rods, and the movable mounting block and the first device bin form a relative sliding structure.

Preferably, the transverse central axis of the double-sided toothed plate is parallel to the transverse central axis of the second device bin, and the double-sided toothed plate and the second device bin form a relative sliding structure.

Preferably, stop gear is including installing the fixed axle in the inside both ends top in second device storehouse and bottom, the outside cover of fixed axle is equipped with the gear, and is provided with the pinion rack main part on the second device storehouse of gear top to the pinion rack main part runs through the second device storehouse.

Preferably, the gear is in meshed connection with the double-face toothed plate, and the gear and the fixed shaft form a relative rotation structure.

Preferably, the toothed plate main body is in meshed connection with the gear, and the toothed plate main body and the second device bin form a relative sliding structure.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the gear respectively with the meshing of two-sided pinion rack and pinion rack main part be connected, two sets of movable mounting piece respectively with the threaded connection of positive and negative lead screw, with the sliding connection in first device storehouse, when making positive and negative lead screw rotate and drive two sets of movable mounting pieces and the part on it and carry out the centre gripping, two-sided pinion rack receives the extrusion to when keeping away from the direction removal in the middle, two sets of pinion rack main parts can move towards the direction that is close to in the middle, until laminating with the tubulose part, thereby can cooperate two-sided pinion rack to carry out abundant centre gripping to the part fixedly.

2. Install the cylinder through between fly leaf and the second device storehouse for operating personnel can drive the fly leaf through the cylinder and slide, and then adjust the compression degree of spring under the clamping status, thereby can adjust the pretightning force size of centre gripping according to actual need.

Drawings

FIG. 1 is a schematic sectional view of a front view of an automatic loading and unloading device for a centerless machine tool according to the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 3 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 4 is a schematic top cross-sectional view of a second device chamber of an automatic loading and unloading device for a centerless machine tool according to the present invention;

fig. 5 is a schematic perspective view of a second device chamber of an automatic loading and unloading device for a centerless machine tool according to the present invention.

In the figure: the automatic machining device comprises a workbench 1, a material storage table 2, a centerless machining mechanism body 3, a mounting frame 4, a numerical control mechanical arm 5, a first device bin 6, a servo motor 7, a positive and negative screw rod 8, a movable mounting block 9, a second device bin 10, an air cylinder 11, a movable plate 12, a spring 13, a double-sided toothed plate 14, a fixed shaft 15, a gear 16 and a toothed plate body 17.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-5, an automatic loading and unloading device for a centerless machine tool comprises a workbench 1, a storage table 2 is installed on one side of the top of the workbench 1, a centerless machining mechanism main body 3 is installed on the other side of the top of the workbench 1, a mounting frame 4 is fixed on the top of the workbench 1, a numerical control mechanical arm 5 is installed at the middle position of the bottom of the mounting frame 4, the output end of the numerical control mechanical arm 5 is connected with a first device bin 6, a servo motor 7 is installed on one side of the first device bin 6, the output end of the servo motor 7 is connected with a positive and negative screw rod 8, the positive and negative screw rod 8 penetrates through the first device bin 6, movable mounting blocks 9 are sleeved on the outer sides of the positive and negative screw rods 8 close to the two ends, a second device bin 10 is installed at the bottom of the movable mounting blocks 9, the movable mounting blocks 9 are in threaded connection with the positive and negative screw rods 8, and the movable mounting blocks 9 and the first device bin 6 form a relative sliding structure, when the servo motor 7 drives the positive and negative screw rods 8 to rotate, the two groups of movable mounting blocks 9 can slide along with the positive and negative screw rods in opposite directions, so that parts on the movable mounting blocks are driven to complete clamping operation or release clamping;

the two ends of one side, close to the first device bin 6, of the interior of the second device bin 10 are both provided with air cylinders 11, the output end of each air cylinder 11 is connected with a movable plate 12, one side, close to the air cylinders 11, of each movable plate 12 is provided with a spring 13, one end, far away from the movable plate 12, of each spring 13 is provided with a double-faced toothed plate 14, each double-faced toothed plate 14 penetrates through the second device bin 10, the transverse central axis of each double-faced toothed plate 14 is parallel to the transverse central axis of the second device bin 10, and each double-faced toothed plate 14 and the second device bin 10 form a relative sliding structure, so that in the clamping process, the double-faced toothed plates 14 are firstly contacted with parts, and under the action of subsequent clamping force, the double-faced toothed plates 14 can slide towards the direction far away from the middle relative to the second device bin 10 under the action of reactive force, so as to drive the springs 13 to compress, further generate early warning force, and cooperate to perform clamping operation;

the second device bin 10 is provided with a limiting mechanism for assisting the double-face toothed plate 14 to clamp, the limiting mechanism comprises fixing shafts 15 mounted at the top and the bottom of the two ends in the second device bin 10, gears 16 are sleeved on the outer sides of the fixing shafts 15, toothed plate main bodies 17 are arranged on the second device bin 10 above the gears 16, the toothed plate main bodies 17 penetrate through the second device bin 10, two groups of toothed plate main bodies 17 on each group of second device bins 10 are respectively located above and below the corresponding double-face toothed plate 14, and the part of the double-face toothed plate 14, which extends out of the second device bin 10 relative to the toothed plate main bodies 17, is longer in an initial state, so that the double-face toothed plate 14 can be in contact with parts firstly, and subsequent clamping operation is completed in a matching manner;

the gear 16 is in meshed connection with the double-face toothed plate 14, and the gear 16 and the fixed shaft 15 form a relative rotation structure, so that when the double-face toothed plate 14 slides in a direction far away from the middle relative to the second device bin 10 under the action of a reaction force in the clamping process, the corresponding gear 16 can rotate;

the pinion rack main part 17 is connected for the meshing with gear 16, and pinion rack main part 17 constitutes relative sliding structure with second device storehouse 10 for when double rack 14 drives corresponding gear 16 and rotates at the centre gripping in-process, two sets of pinion rack main parts 17 can follow up relative second device storehouse 10 and slide to the direction that is close to the part, until laminating with the lateral wall of part, thereby can cooperate double rack 14 to further spacing, guarantee the steadiness of centre gripping to the part.

When the utility model is used, as shown in fig. 1-5, the device is powered on, the numerical control mechanical arm 5 is controlled to drive the first device bin 6 on the numerical control mechanical arm to move to the upper part of the material storage platform 2, two groups of second device bins 10 are respectively positioned at two sides of the outer wall of one group of parts, the servo motor 7 is controlled to drive the positive and negative screw rods 8 to rotate in the positive direction, the two groups of movable mounting blocks 9 are respectively connected with the positive and negative screw rods 8 through threads of the two groups of movable mounting blocks 9 and are in sliding connection with the first device bin 6, so that the two groups of movable mounting blocks 9 can move towards the middle to clamp the parts at the moment, the double-face toothed plate 14 is firstly contacted with the parts and is subjected to a reaction force under the action of continuous clamping force, the double-face toothed plate 14 is in sliding connection with the corresponding second device bins 10 through the sliding connection of the double-face toothed plate 14, and the elasticity of the spring 13 enables the double-face toothed plate 14 to slide towards the direction far away from the middle relative to the second device bins 10, the corresponding gear 16 rotates through the meshed connection of the double-sided toothed plate 14 and the gear 16, the toothed plate main body 17 is meshed with the corresponding gear 16 and is slidably connected with the corresponding second device bin 10, so that the toothed plate main body 17 can slide towards the direction close to the middle relative to the second device bin 10 at the moment, two groups of toothed plate main bodies 17 are arranged on each group of second device bins 10, and the two groups of toothed plate main bodies 17 are respectively arranged above and below the double-sided toothed plate 14 on the group of second device bins 10, so that the two groups of toothed plate main bodies 17 can be simultaneously attached to the arc edges of parts, the parts are more fully clamped and fixed by matching with the double-sided toothed plate 14, after the clamping is completed, the servo motor 7 stops rotating, the numerical control mechanical arm 5 drives the first device bin 6 to move and place the parts in the centerless machining mechanism main body 3, and after the placement is completed, the servo motor 7 is controlled to reversely rotate to release the clamping of the parts, the centerless machining mechanism main part 3 process the part can, after the processing is accomplished, numerical control arm 5 is implemented the centre gripping once more to the part and is driven the part to move the assigned position department on the storage platform 2 and carry out the unloading and collect can, simultaneously when the great clamping-force that needs the part dead weight of centre gripping, can control cylinder 11 and drive fly leaf 12 and slide to the direction that is close to the centre in corresponding second device storehouse 10 after the centre gripping is accomplished, because this moment double-face toothed plate 14 is in the position department with the part laminating, therefore double-face toothed plate 14 can not remove, and then make the degree of compression of spring 13 further what big, thereby make the early warning power of centre gripping increase along with it, thereby further guarantee the steadiness of centre gripping.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an automatic unloader that goes up of centerless lathe, includes workstation (1), its characterized in that, storage platform (2) are installed to one side at workstation (1) top, and the opposite side at workstation (1) top installs centerless machining mechanism main part (3), the top of workstation (1) is fixed with mounting bracket (4), and the intermediate position department of mounting bracket (4) bottom installs numerical control arm (5), the output of numerical control arm (5) is connected with first device storehouse (6), servo motor (7) are installed to one side of first device storehouse (6), and the output of servo motor (7) is connected with positive and negative lead screw (8), and positive and negative lead screw (8) run through first device storehouse (6), positive and negative lead screw (8) are close to the outside at both ends and all overlap and are equipped with movable mounting piece (9), and second device storehouse (10) are installed to the bottom of movable mounting piece (9), cylinder (11) are all installed at the inside both ends that are close to first device storehouse (6) one side in second device storehouse (10), and the output of cylinder (11) is connected with fly leaf (12), spring (13) are installed to one side that fly leaf (12) are close to cylinder (11), and spring (13) keep away from the one end of fly leaf (12) and install double-sided toothed plate (14) to double-sided toothed plate (14) run through second device storehouse (10), be provided with on second device storehouse (10) and be used for assisting double-sided toothed plate (14) to carry out the stop gear of centre gripping.

2. The automatic loading and unloading device for the centerless machine tool as claimed in claim 1, wherein the movable mounting block (9) is in threaded connection with the positive and negative screw rods (8), and the movable mounting block (9) and the first device bin (6) form a relative sliding structure.

3. The automatic loading and unloading device for the centerless machine tool as recited in claim 1, wherein the transverse central axis of the double-face toothed plate (14) and the transverse central axis of the second device bin (10) are parallel to each other, and the double-face toothed plate (14) and the second device bin (10) form a relative sliding structure.

4. The automatic loading and unloading device for the centerless machine tool as claimed in claim 1, wherein the limiting mechanism comprises a fixing shaft (15) mounted at the top and the bottom of the two ends inside the second device bin (10), a gear (16) is sleeved outside the fixing shaft (15), a toothed plate main body (17) is arranged on the second device bin (10) above the gear (16), and the toothed plate main body (17) penetrates through the second device bin (10).

5. The automatic loading and unloading device for the centerless machine tool as claimed in claim 4, wherein the gear (16) is in meshed connection with the double toothed plate (14), and the gear (16) and the fixed shaft (15) form a relative rotation structure.

6. The automatic loading and unloading device for the centerless machine tool as claimed in claim 4, wherein the toothed plate main body (17) is in meshed connection with the gear (16), and the toothed plate main body (17) and the second device bin (10) form a relative sliding structure.