CN215469839U - Automatic two-step feeding device of machine tool - Google Patents

Abstract

The utility model discloses an automatic two-step feeding device of a machine tool, which aims at the problems that workpieces are easy to damage and the efficiency is low and provides the following technical scheme, wherein the automatic two-step feeding device comprises a blanking disc, a chuck and a feeding device, wherein the blanking disc is fixedly connected to the machine tool and arranged above the chuck; the feeding assembly is connected to the top of the blanking disc and used for conveying the unprocessed workpieces to the blanking disc and controlling the conveying speed; the material pushing assembly is connected with the blanking disc and used for pushing the workpiece on the blanking disc out of the blanking disc; the clamping jaw assembly is connected to the machine tool, arranged above the chuck and used for clamping the workpiece pushed out by the material pushing assembly and loading the workpiece onto the chuck of the machine tool; and the blanking slide is fixedly connected to the machine tool, arranged below the chuck and used for conveying the machined workpiece away from the machine tool. The device protects the surface of the workpiece, does not need to be operated by workers, reduces errors and improves the processing efficiency.

Description

Automatic two-step feeding device of machine tool

Technical Field

The utility model relates to the field of automatic machining of machine tools, in particular to an automatic two-step feeding device of a machine tool.

Background

A machine tool is an apparatus for machining a workpiece, and the workpiece needs to be clamped before machining and needs to be detached from the machine tool after machining.

There is a small lathe, see fig. 1, specifically for machining small workpieces, comprising a chuck 9 for holding the workpiece and a tool 10 for cutting the workpiece. At present, a worker is mainly used for manually clamping a workpiece into a chuck in a factory, but for smaller workpieces, the workpiece is not clamped in place due to improper taking of the workpiece by the worker, and in the process of disassembly, the workpiece can fall off, so that the surface of the workpiece is damaged, the surface quality is reduced, the accuracy is low, the efficiency is low, an automatic loading and unloading device is needed to replace manual assembly and disassembly, the machining efficiency is improved, and the machining quality is guaranteed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the automatic two-step feeding device of the machine tool, which adopts an automatic feeding and discharging structure to realize automatic feeding and clamping and improve the processing efficiency.

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

an automatic two-step feeding device of a machine tool comprises a feeding slide fixedly connected to the machine tool, a pushing bottom plate fixedly connected to the machine tool and a pushing assembly connected to the pushing bottom plate, wherein one end, close to a chuck, of the feeding slide is lower than the other end of the feeding slide, a material blocking block is fixedly arranged at one lower end of the feeding slide, the pushing bottom plate is arranged above the chuck, and the pushing assembly is used for pushing a workpiece on the pushing bottom plate out of the pushing bottom plate; a first feeding assembly is arranged above the feeding slideway and the pushing bottom plate, and is used for conveying a workpiece at one end of the feeding slideway, which is close to the material blocking block, into the pushing bottom plate, and the first feeding assembly is connected to a machine tool; the machine tool is connected with a second feeding assembly, and the second feeding assembly is used for clamping a workpiece pushed out by the pushing assembly and loading the workpiece onto a chuck of the machine tool; the below of chuck is equipped with the unloading slide, unloading slide fixed connection in lathe aslope, the one end that is close to the chuck of unloading slide is higher than the other end, the unloading slide is used for seeing the work piece that has processed off the lathe.

By adopting the technical scheme, an operator puts an unprocessed workpiece into the feeding slideway, and due to gravity, the workpiece rolls down at the lower end of the feeding slideway until the workpiece touches the material blocking block at the bottom end of the feeding slideway, and the material blocking block fixes the workpiece and prevents the workpiece from continuously falling. The first feeding assembly conveys the workpiece to the material pushing bottom plate from one end, close to the material blocking block, of the feeding slide way. The pushing assembly pushes the workpiece on the pushing base plate out of the pushing base plate, the second feeding assembly clamps the workpiece and transfers the workpiece to a chuck of the machine tool, and the chuck clamps the workpiece tightly to complete feeding and clamping of the workpiece. After the workpiece is machined, the chuck loosens the workpiece, the workpiece falls into the lower blanking slideway due to gravity, the workpiece is conveyed away from the machine tool by the blanking slideway inclined towards the direction far away from the chuck due to gravity, blanking of the workpiece is completed, an operator moves the machined workpiece away from the bottom end of the blanking slideway, automatic unloading is realized, the operator does not need to clamp the workpiece, errors are reduced, and the machining efficiency is improved.

Further, first material loading subassembly is including the pneumatic clamping jaw that is used for the unprocessed work piece of centre gripping, the first horizontal drive subassembly that is used for driving the pneumatic clamping jaw along the direction horizontal migration of the axis of perpendicular to chuck and the first vertical power source that is used for driving the pneumatic clamping jaw along the removal of direction of gravity, the pneumatic clamping jaw sets up in the top that keeps off the material piece and push away the material bottom plate, first horizontal drive subassembly is connected in the lathe, first vertical power source is connected in first horizontal drive subassembly.

By adopting the technical scheme, the first horizontal driving component drives the pneumatic clamping jaw to horizontally move along the direction perpendicular to the axis of the chuck, and the first vertical power source drives the pneumatic clamping jaw to move along the gravity direction, so that the pneumatic clamping jaw moves on the plane perpendicular to the axis of the chuck, and the pneumatic clamping jaw moves between the feeding slide way and the material pushing bottom plate. The pneumatic clamping jaw clamps an unprocessed workpiece on the material blocking block, the workpiece is conveyed to the material pushing bottom plate from the material loading slideway and then returns to the material loading slideway, and the workpiece is automatically moved.

Further, first horizontal drive subassembly includes fixed connection in the bracing piece of lathe, fixed connection in the guide rail of bracing piece, sliding connection in the slider of guide rail and sets up in the first horizontal power supply of bracing piece, bracing piece and guide rail all set up along the direction level of the axis of perpendicular to chuck, first horizontal power supply is used for driving the slider and removes along the guide rail direction, pneumatic clamping jaw is connected with the slider.

By adopting the technical scheme, the guide rail and the first horizontal power source are supported on the machine tool by the supporting rod, so that the structure is more stable. First horizontal power supply drive slider removes on the guide rail, makes the direction horizontal migration of slider along the axis of perpendicular to chuck, and the slider drives pneumatic clamping jaw and removes, and the guide rail makes pneumatic clamping jaw's removal more accurate, improves pneumatic clamping jaw's the degree of accuracy of snatching the work piece.

Further, first perpendicular power supply is connected with rotary power source, rotary power source is used for driving pneumatic clamping jaw and rotates along the direction of gravity.

By adopting the technical scheme, the rotary power source drives the pneumatic clamping jaw to rotate along the gravity direction, so that the pneumatic clamping jaw drives the clamped workpiece to rotate, the placing direction of the workpiece is changed, and the possibility of placing the workpiece in various directions is increased.

Further, the second feeding assembly comprises a workpiece cache block connected to the machine tool, a second vertical driving assembly connected to the machine tool and a second horizontal power source connected to the workpiece cache block; the workpiece cache block is arranged above the chuck and provided with a hole for storing a workpiece pushed out by the pushing assembly; the second vertical driving component is used for driving the workpiece cache block to move along the gravity direction so as to enable the workpiece cache block to move back and forth between the material pushing bottom plate and the chuck; the second horizontal power source is used for pushing the workpiece out of the workpiece buffer block along the direction of the axis of the chuck.

By adopting the technical scheme, the material pushing assembly pushes the workpiece into the hole of the workpiece cache block, the second vertical driving assembly drives the workpiece cache block to move along the gravity direction to drive the workpiece to move until the workpiece and the chuck coincide with each other in the axis direction, and the second horizontal power source pushes the workpiece in the workpiece cache block out along the axis direction of the chuck, so that the workpiece can move back and forth between the material pushing bottom plate and the chuck.

Further, the second vertical driving assembly comprises a support fixedly connected to the machine tool and a guide rod connected to the support in a sliding mode along the gravity direction, the guide rod is fixedly connected with the workpiece cache block, and the support is provided with a second vertical power source used for driving the workpiece cache block to move along the gravity direction.

By adopting the technical scheme, the guide rod and the second vertical power source are supported on the machine tool by the support, so that the structure is more stable. The second vertical power source drives the workpiece cache block to move along the gravity direction, the workpiece is driven to move along the gravity direction, the workpiece cache block drives the guide rod to move, the guide rod slides along the gravity direction on the support, the guide rod guides the movement of the second horizontal power source connected with the workpiece cache block to the accurate gravity direction, the accuracy of the moving workpiece of the second vertical power source is improved, the accuracy of the workpiece in pushing the workpiece cache block from the pushing bottom plate is improved, and the accuracy of clamping the workpiece into the chuck is improved.

Further, the material pushing assembly comprises a material pushing rod connected to the material pushing base plate in a sliding mode and a material pushing power source used for driving the material pushing rod to move along the axis direction of the chuck, and the material pushing power source is arranged on the machine tool.

By adopting the technical scheme, when the workpiece cache block moves to the same horizontal position as the pushing bottom plate, the pushing power source drives the pushing rod to move along the axis direction of the chuck, the pushing rod slides towards the workpiece cache block on the pushing bottom plate to push the workpiece out of the pushing bottom plate and push the workpiece into the workpiece cache block, so that the workpiece moves to the workpiece cache block from the pushing bottom plate, and the structure is simple.

Further, the material pushing bottom plate is provided with a groove with the length along the axial direction of the chuck.

By adopting the technical scheme, when the workpiece is moved to the position above the material pushing bottom plate by the pneumatic clamping jaw, the pneumatic clamping jaw loosens the workpiece, the workpiece falls into the material pushing bottom plate due to gravity, the groove of the material pushing bottom plate puts the workpiece along the axis direction of the chuck due to gravity, the material pushing rod is convenient to push the workpiece along the axis direction of the chuck, the workpiece is convenient to push into the groove of the workpiece cache block, and the workpiece cannot be clamped outside the workpiece cache block.

Further, the material loading slide is equipped with the fender subassembly that is used for controlling the conveying speed of work piece, keep off the material subassembly and include fixed connection in the even board of lathe, rotate and connect in the connecting rod of even board, slide along the direction of gravity and connect in two pin of even board and be used for driving connecting rod pivoted fender power supply, two the one end of pin articulates respectively in the both ends of the center of rotation of connecting rod, two the other end of pin contacts with two adjacent work pieces respectively.

By adopting the technical scheme, the material blocking assembly controls the conveying speed of the workpiece, so that the feeding device can adjust the conveying speed of the workpiece according to the machining speed of a machine tool, the workpiece can be orderly fed and discharged, and the phenomenon of congestion is avoided. The connecting plate supports the stop lever, the connecting rod and the material blocking power source on the machine tool, the stability of the device is improved, when the material blocking power source drives the connecting rod to rotate, the connecting rod rotates on the connecting plate, the connecting rod drives the two stop levers to slide on the connecting plate, and the stop levers slide along the gravity direction. According to the principle of the cylinder rod, because the two stop rods are respectively hinged to two ends of the rotation center of the connecting rod, when one stop rod moves downwards and contacts with a workpiece, the other stop rod moves upwards to leave the workpiece, when a first workpiece closest to the lower end is blocked by one stop rod, the other stop rod leaves a second workpiece next to the first workpiece, and when the first workpiece is not blocked by the stop rod, the other stop rod moves downwards to block the second workpiece, so that only the first workpiece falls on the stop block, and other workpieces on the feeding slideway are prevented from falling.

In conclusion, the utility model has the following beneficial effects:

1. the device comprises a first feeding assembly, a second feeding assembly, a discharging slideway, a first discharging assembly, a second discharging assembly and a second discharging assembly, wherein automatic feeding and charging are realized in the two-step feeding process;

2. when the workpiece rolls off from the feeding slideway due to gravity, the workpiece can not be effectively clamped by the pneumatic clamping jaw due to the fact that the workpiece is flushed out of the feeding slideway due to inertia, so that the material blocking block blocks the rolling direction of the workpiece at one end of the feeding slideway, the workpiece is stopped at the bottom end of the feeding slideway, and the use stability of the device is improved;

3. the material blocking assembly enables the feeding and discharging device to adjust the falling speed of the workpiece according to the machining speed of the machine tool, and the phenomenon of congestion is avoided.

Drawings

FIG. 1 is a schematic view of a small lathe;

FIG. 2 is a schematic structural diagram of the present embodiment;

FIG. 3 is an exploded view of the first charging assembly of the present embodiment;

FIG. 4 is a schematic view of the pusher assembly of the present embodiment;

fig. 5 is a schematic structural view of the material blocking assembly of the present embodiment;

fig. 6 is a schematic structural view of the second feeding assembly of the present embodiment.

In the figure: 1. a feeding slideway; 2. a material blocking block; 3. a material pushing base plate; 4. a material pushing assembly; 41. a material pushing power source; 42. a material pushing rod; 5. a first feeding assembly; 51. a support bar; 52. a first horizontal power source; 53. a support plate; 54. a guide rail; 55. a slider; 56. a source of rotational power; 57. a first vertical power source; 58. a pneumatic clamping jaw; 6. a second feeding assembly; 61. a support; 62. a guide bar; 63. a linear bearing; 64. a second vertical power source; 65. a workpiece cache block; 66. a second horizontal power source; 7. the material blocking component; 71. a material blocking power source; 72. a connecting rod; 73. a rotation pin; 74. a stop lever; 75. connecting plates; 76. a guide portion; 8. a blanking slideway; 9. a chuck; 10. and (4) a cutter.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

An automatic two-step feeding device of a machine tool is shown in figure 2 and comprises a feeding slideway 1, a material blocking block 2, a material pushing base plate 3, a material pushing assembly 4, a first feeding assembly 5, a second feeding assembly 6 and a discharging slideway 8. Feeding slide 1 fixed connection is in the top of lathe one side that is close to chuck 9, and feeding slide 1 is the rectangular plate-type of slope, and feeding slide 1's length direction sets up along the axis direction of chuck 9, and feeding slide 1's the one end of keeping away from chuck 9 is higher than the other end, and feeding slide 1 runs through the recess that supplies the work piece landing, and the recess sets up along feeding slide 1's length direction.

Referring to fig. 2, the material blocking block 2 is fixedly connected to one end of the feeding chute 1 close to the chuck 9, and the length direction of the material blocking block 2 is arranged along the length direction perpendicular to the feeding chute 1.

Referring to fig. 2 and 4, the material pushing base plate 3 is arranged right above the chuck 9, the material pushing base plate 3 is fixedly connected to the top of the machine tool, the material pushing base plate 3 is provided with a groove for sliding a workpiece, and the groove of the material pushing base plate 3 is arranged along the axis direction of the chuck 9.

Referring to fig. 2 and 4, the material pushing assembly 4 is disposed at one end of the material pushing base plate 3, which is far away from the chuck 9, the material pushing assembly 4 includes a material pushing power source 41 and a material pushing rod 42, the material pushing power source 41 adopts a material pushing cylinder, a cylinder body of the material pushing cylinder is fixedly connected to the top of the machine tool, one end of a telescopic rod of the material pushing cylinder is fixedly connected to the material pushing rod 42, and the telescopic rod of the material pushing cylinder and the material pushing rod 42 are both disposed along the axial direction of the chuck 9. One end of the material pushing rod 42 far away from the material pushing cylinder is contacted with the workpiece.

Referring to fig. 2 and 3, the first feeding assembly 5 is disposed above the feeding chute 1 and the pushing base plate 3, and the first feeding assembly 5 includes a support rod 51 fixedly connected to the top of the machine tool, a guide rail 54, a slide block 55, a first vertical power source 57, and a rotary power source 56. The top of the supporting rod 51 is fixedly connected with a first horizontal power source 52, the first horizontal power source 52 adopts a first horizontal cylinder, the cylinder body of the first horizontal cylinder is fixedly connected with the supporting rod 51, one end of the telescopic rod of the first horizontal cylinder is fixedly connected with a supporting plate 53, the bottom of the supporting rod 51 is fixedly connected with a guide rail 54, the top of the sliding block 55 is connected with the guide rail 54 in a sliding manner, the bottom of the sliding block 55 is fixedly connected with the supporting plate 53, and the supporting plate 53 is perpendicular to the length direction of the guide rail 54. The support rod 51, the first horizontal cylinder, and the guide rail 54 are all horizontally disposed in a direction perpendicular to the axis of the chuck 9. The rotary power source 56 adopts a rotary cylinder, the first vertical power source 57 adopts a first vertical cylinder, the cylinder body of the rotary cylinder is fixedly connected with the bottom of the sliding block 55 and the bottom of the supporting plate 53, the rotary rod of the rotary cylinder is fixedly connected with the telescopic rod of the first vertical cylinder, the first vertical cylinder is arranged along the direction of gravity, the bottom of the cylinder body of the first vertical cylinder is fixedly connected with a pneumatic clamping jaw 58, the pneumatic clamping jaw 58 is arranged above the material blocking block 2, and the pneumatic clamping jaw 58 adopts a pneumatic clamping jaw device disclosed in the Chinese patent with the authorization publication number of CN 102069461B.

Referring to fig. 3, when the telescopic rod of the first horizontal cylinder extends, the support plate 53 and the slide block 55 are driven to move, the slide block 55 slides on the guide rail 54, the rotary cylinder, the first vertical cylinder and the pneumatic clamping jaw 58 are driven to move along the direction of the guide rail 54, when the pneumatic clamping jaw 58 moves above the feeding slideway 1, the first vertical cylinder extends downwards along the gravity direction to extend the telescopic rod, the pneumatic clamping jaw 58 is driven to move towards the feeding slideway 1, when the pneumatic clamping jaw contacts with a workpiece, the movement stops, the pneumatic clamping jaw 58 clamps the workpiece falling beside the material blocking block 2, the first vertical cylinder upwards recovers the telescopic rod along the gravity direction, the pneumatic clamping jaw 58 drives the workpiece to move upwards, the telescopic rod of the first horizontal cylinder continues to extend, the pneumatic clamping jaw 58 drives the workpiece to move horizontally towards the direction close to the material pushing bottom plate 3 until the workpiece is positioned right above the groove of the material pushing bottom plate 3, and the first horizontal cylinder stops moving, the rotating rod of the rotating cylinder drives the first vertical cylinder, the pneumatic clamping jaw 58 and the workpiece to rotate until the length direction of the workpiece is parallel to the axial direction of the chuck 9, the telescopic rod of the first vertical cylinder extends to drive the pneumatic clamping jaw 58 and the workpiece to move towards the pushing bottom plate 3, until the workpiece contacts the pushing bottom plate 3, the pneumatic clamping jaw 58 releases the workpiece, and the workpiece falls into the groove of the pushing bottom plate 3.

Referring to fig. 2 and 3, the second feeding assembly 6 is disposed directly above the chuck 9, and the second feeding assembly 6 includes a workpiece buffer block 65 disposed above the chuck 9, a bracket 61 fixedly connected to the machine tool, two linear bearings 63 fixedly connected to the bracket 61, two guide rods 62 slidably connected to the two linear bearings 63, respectively, a second vertical power source 64 for driving the workpiece buffer block 65 to move in the direction of gravity, and a second horizontal power source 66 for pushing the workpiece out of the workpiece buffer block 65 in the direction of the axis of the chuck 9. The second vertical power source 64 is a second vertical cylinder, the cylinder body of the second vertical cylinder is fixedly connected to the support 61, and the telescopic rod of the second vertical cylinder is arranged along the gravity direction and is fixedly connected with the workpiece cache block 65.

Referring to fig. 3 and 6, the workpiece buffer block 65 is provided with a hole for storing the workpiece, and the hole of the workpiece buffer block 65 is provided along the axial direction of the chuck 9. The second horizontal power source 66 adopts a second horizontal cylinder, the cylinder body of the second horizontal cylinder is fixedly connected with the workpiece cache block 65, and one end of a telescopic rod of the second horizontal cylinder slides in a hole of the workpiece cache block 65 and contacts with a workpiece. The linear bearing 63 and the guide rod 62 are both arranged in the direction of gravity. The holder 61 is provided directly above the chuck 9.

Referring to fig. 4 and 6, when the telescopic rod of the pushing cylinder extends, the pushing rod 42 is driven to push the workpiece until the workpiece is pushed into the hole of the workpiece cache block 65 from the pushing baseplate 3, the telescopic rod of the second vertical cylinder extends to drive the workpiece cache block 65 to move downwards along the gravity direction, so that the guide rod 62 drives the workpiece cache block 65 to move downwards until the hole of the workpiece cache block 65 coincides with the axis of the chuck 9, the telescopic rod of the second horizontal cylinder extends to push the workpiece in the workpiece cache block 65 into the chuck 9 along the hole direction, and the chuck 9 clamps the workpiece to complete clamping.

Referring to fig. 5, the material blocking assembly 7 is disposed above the feeding chute 1, and the material blocking assembly 7 includes a connecting plate 75 fixedly connected to the top of the machine tool, a connecting rod 72, two blocking rods 74 slidably connected to the connecting plate 75, and a material blocking power source 71 for driving the connecting rod 72 to rotate. The material blocking power source 71 adopts a material blocking cylinder, a cylinder body of the material blocking cylinder is fixedly connected to the connecting plate 75, and a telescopic rod of the material blocking cylinder is fixedly connected to one end, far away from the material pushing bottom plate 3, of the connecting rod 72. The middle part of the connecting rod 72 is rotatably connected with a rotating pin 73, the rotating pin 73 is fixedly connected to one side of the connecting plate 75 far away from the feeding slideway 1, the rotating pin 73 is perpendicular to the connecting plate 75, one end of each of the two stop levers 74 is hinged to two ends of the rotating pin 73 of the connecting rod 72, and the other end of each of the two stop levers 74 is in contact with two adjacent workpieces. The connecting plate 75 is fixedly provided with a guide part 76, and the middle part of the guide part 76 is provided with two through holes for the stop lever 74 to slide, and the through holes are arranged along the direction of gravity.

Referring to fig. 2, a blanking slide 8 is vertically arranged under a chuck 9 of a machine tool, one end of the blanking slide 8 is arranged under the chuck 9, and the other end of the blanking slide 8 is lower than the end close to the chuck 9.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (9)

1. The utility model provides an automatic two-step loading attachment of lathe which characterized in that: the automatic feeding device comprises a feeding slide way (1) fixedly connected to a machine tool, a pushing bottom plate (3) fixedly connected to the machine tool and a pushing assembly (4) connected to the pushing bottom plate (3), wherein one end, close to a chuck (9), of the feeding slide way (1) is lower than the other end of the feeding slide way, a material blocking block (2) is fixedly arranged at the lower end of the feeding slide way (1), the pushing bottom plate (3) is arranged above the chuck (9), and the pushing assembly (4) is used for pushing a workpiece on the pushing bottom plate (3) out of the pushing bottom plate (3);

a first feeding assembly (5) is arranged above the feeding slide way (1) and the pushing bottom plate (3), the first feeding assembly (5) is used for conveying a workpiece at one end, close to the material blocking block (2), of the feeding slide way (1) into the pushing bottom plate (3), and the first feeding assembly (5) is connected to a machine tool;

the machine tool is connected with a second feeding assembly (6), and the second feeding assembly (6) is used for clamping a workpiece pushed out by the pushing assembly (4) and loading the workpiece onto a chuck (9) of the machine tool;

the below of chuck (9) is equipped with unloading slide (8), unloading slide (8) fixed connection aslope in the lathe, the one end that is close to chuck (9) of unloading slide (8) is higher than the other end, unloading slide (8) are used for sending the work piece that has processed from the lathe.

2. An automatic two-step loading device for machine tools according to claim 1, characterized in that: first material loading subassembly (5) including pneumatic clamping jaw (58) that are used for the unprocessed work piece of centre gripping, be used for driving pneumatic clamping jaw (58) along the first horizontal drive subassembly of the direction horizontal migration of the axis of perpendicular to chuck (9) and be used for driving pneumatic clamping jaw (58) along first vertical power source (57) that the direction of gravity removed, pneumatic clamping jaw (58) set up in the top that keeps off material piece (2) and push away material bottom plate (3), first horizontal drive subassembly is connected in the lathe, first vertical power source (57) are connected in first horizontal drive subassembly.

3. An automatic two-step loading device for machine tools according to claim 2, characterized in that: the first horizontal driving assembly comprises a supporting rod (51) fixedly connected to a machine tool, a guide rail (54) fixedly connected to the supporting rod (51), a sliding block (55) connected to the guide rail (54) in a sliding mode and a first horizontal power source (52) arranged on the supporting rod (51), the supporting rod (51) and the guide rail (54) are horizontally arranged along the direction perpendicular to the axis of the chuck (9), the first horizontal power source (52) is used for driving the sliding block (55) to move along the direction of the guide rail (54), and the pneumatic clamping jaw (58) is connected with the sliding block (55).

4. An automatic two-step loading device for machine tools according to claim 3, characterized in that: the first vertical power source (57) is connected with a rotary power source (56), and the rotary power source (56) is used for driving the pneumatic clamping jaws (58) to rotate along the gravity direction.

5. An automatic two-step loading device for machine tools according to claim 1, characterized in that: the second feeding assembly (6) comprises a workpiece cache block (65) connected to the machine tool, a second vertical driving assembly connected to the machine tool and a second horizontal power source (66) connected to the workpiece cache block (65); the workpiece cache block (65) is arranged above the chuck (9), and the workpiece cache block (65) is provided with a hole for storing a workpiece pushed out by the pushing assembly (4); the second vertical driving component is used for driving the workpiece cache block (65) to move along the gravity direction, so that the workpiece cache block (65) moves back and forth between the material pushing bottom plate (3) and the chuck (9); the second horizontal power source (66) is used for pushing the workpiece out of the workpiece buffer block (65) along the direction of the axis of the chuck (9).

6. An automatic two-step loading device for machine tools according to claim 5, characterized in that: the second vertical driving assembly comprises a support (61) fixedly connected to the machine tool and a guide rod (62) connected to the support (61) in a sliding mode along the gravity direction, the guide rod (62) is fixedly connected with a workpiece cache block (65), and the support (61) is provided with a second vertical power source (64) used for driving the workpiece cache block (65) to move along the gravity direction.

7. An automatic two-step loading device for machine tools according to claim 1, characterized in that: the material pushing assembly (4) comprises a material pushing rod (42) which is connected with the material pushing base plate (3) in a sliding mode and a material pushing power source (41) which is used for driving the material pushing rod (42) to move along the axis direction of the chuck (9), and the material pushing power source (41) is arranged on a machine tool.

8. An automatic two-step loading device for machine tools according to claim 1, characterized in that: the material pushing bottom plate (3) is provided with a groove with the length along the axial direction of the chuck (9).

9. An automatic two-step loading device for machine tools according to claim 1, characterized in that: material loading slide (1) is equipped with the material stopping assembly (7) that is used for controlling the conveying speed of work piece, material stopping assembly (7) including fixed connection in even board (75) of lathe, rotate connect in connecting rod (72) of even board (75), slide along the direction of gravity and connect in two pin (74) of even board (75) and be used for driving connecting rod (72) pivoted material stopping power source (71), two the one end of pin (74) articulates respectively in the both ends of the center of rotation of connecting rod (72), two the other end of pin (74) contacts with two adjacent work pieces respectively.

Images