Automatic feeding and discharging device of bolt numerical control lathe

Abstract

The utility model discloses an automatic feeding and discharging device of a bolt numerical control lathe, and relates to the technical field of automatic feeding and discharging. The numerical control lathe comprises a numerical control lathe body, a mounting box is fixedly connected to the interior of the numerical control lathe body, a main shaft is fixedly connected to the side face of the mounting box, a lead screw is arranged in the numerical control lathe body, a tool rest is connected to the circumferential face of the lead screw in a threaded mode, and an automatic feeding device is arranged in the numerical control lathe body. According to the automatic feeding device, the feeding port, the supporting plate, the supporting frame, the rotating shaft, the conveying belt, the U-shaped rotating strip, the L-shaped feeding strip, the motor, the reciprocating lead screw, the threaded sleeve, the L-shaped thrust strip and other assemblies in the automatic feeding device are matched with one another, and the effect that the conveying belt and the motor drive the reciprocating lead screw, the threaded sleeve and the L-shaped thrust strip to conduct automatic feeding is achieved; and the effect of automatically feeding the bolts is achieved, so that in the bolt manufacturing process, the labor force is reduced, and more convenience and rapidness are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automatic loading and unloading, in particular to an automatic loading and unloading device for a bolt numerically controlled lathe. Background Art

[0002] Bolts are mechanical parts, cylindrical threaded fasteners that are matched with nuts. A type of fastener consisting of a head and a screw (a cylinder with external threads), which must be matched with a nut to fasten two parts with through holes. This type of connection is called a bolt connection. If the nut is unscrewed from the bolt, the two parts can be separated, so the bolt connection is a detachable connection.

[0003] According to the disclosed automatic loading and unloading device for bolt CNC lathe (publication number: CN 219924569 U), it includes a base, a fixed base, a sliding base and a lifting base. The lifting base is provided with two material racks for placing workpieces, a pair of lower die bases are installed on the base, the fixed base is installed on the lathe equipment, a cylinder is provided on the fixed base and an upper die is provided at the lower end of the push arm of the cylinder, the upper die is provided with a push assembly, the push assembly includes a push plate for abutting against the workpiece, the top end of the push plate is movably provided on the upper die, and a push assembly is provided on the upper die.

[0004] However, in the above application, a pair of lower die seats are installed on the base, the fixed seat is installed on the lathe equipment, a cylinder is provided on the fixed seat, and an upper die is provided at the lower end of the push arm of the cylinder, and the upper die is provided with a pushing assembly, which makes it difficult to realize automatic loading and unloading when processing the bolts, resulting in the need for manual labor and waste of time, which needs to be improved. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic loading and unloading device for a bolt CNC lathe. Through the internal loading port, support plate, support frame, rotating shaft, conveyor belt, U-shaped rotating bar, L-shaped feeding bar, motor, reciprocating screw rod, threaded sleeve, L-shaped thrust bar and other components of the automatic loading device cooperate with each other, the conveyor belt and the motor drive the reciprocating screw rod, threaded sleeve and L-shaped thrust bar to do automatic loading, thereby achieving the effect of automatic loading of bolts, reducing manual labor in the process of making bolts, making it more convenient and quick, and solving the existing problems.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is an automatic loading and unloading device for a bolt CNC lathe, comprising a CNC lathe, a mounting box is fixedly connected inside the CNC lathe, a main shaft is fixedly connected to the side of the mounting box, a screw rod is arranged inside the CNC lathe, a tool holder is threadedly connected on the circumferential surface of the screw rod, and an automatic loading device is arranged inside the CNC lathe;

[0008] The automatic feeding device includes a feeding port, the feeding port is opened on the rear side of the CNC lathe, a support plate is fixedly connected to the rear side of the CNC lathe, a support frame is fixedly connected to the top of the support plate, a rotating shaft is rotatably connected inside the support frame, and a conveyor belt is arranged on the circumferential surface of the rotating shaft.

[0009] Further, a U-shaped rotating bar is rotatably connected to the side of the rotating shaft, an L-shaped feeding bar is fixedly connected to the side of the U-shaped rotating bar, a baffle is fixedly connected to the side of the support frame, a U-shaped rotating bar is rotatably connected to the side of the rotating shaft, and an L-shaped feeding bar is fixedly connected to the side of the U-shaped rotating bar, so that the bolts can be fed intermittently. A baffle is fixedly connected to the side of the support frame to place the bolts on the conveyor belt so that the bolts will not fall due to the conveyor belt transmission.

[0010] Further, a pulling block box is fixedly connected to the front side of the support frame, a pulling block is slidably connected inside the pulling block box, a pulling plate is fixedly connected to the side of the pulling block, a placement groove is opened at the top of the pulling block, an inclined plate is fixedly connected to the top of the pulling block box, a reset spring is fixedly connected inside the pulling block box, one end of the reset spring is fixedly connected inside the pulling block box, and the other end of the reset spring is fixedly connected to the side of the pulling plate. A placement groove is opened at the top of the pulling block, and the placement groove faces the main shaft, which is beneficial for the bolts to be fed into the main shaft without position disorder. A reset spring is fixedly connected inside the pulling block box so that when the tool rest comes, the pulling block box can be squeezed, the tool rest works, and after the tool rest finishes working, the reset spring can be reset to continue to complete the subsequent work.

[0011] Further, a motor is fixedly connected inside the CNC lathe, a reciprocating lead screw is fixedly connected to the output end of the motor, a threaded sleeve is threadedly connected to the circumferential surface of the reciprocating lead screw, and an L-shaped thrust bar is fixedly connected to the side of the threaded sleeve. A threaded sleeve is threadedly connected to the circumferential surface of the reciprocating lead screw, and an L-shaped thrust bar is fixedly connected to the side of the threaded sleeve. The L-shaped thrust bar can be used to push the bolts into the main shaft for processing the bolts.

[0012] Further, two groups of rotating shafts are provided, and they are symmetrically arranged along the vertical central axis of the conveyor belt. Two groups of baffles are provided, and they are symmetrically arranged along the vertical central axis of the support frame. Two groups of L-shaped feeding bars are provided, and they are symmetrically arranged along the vertical central axis of the U-shaped rotating bar. Two groups of baffles are symmetrically arranged along the vertical central axis of the support frame to prevent the bolts from falling during transportation. Two groups of L-shaped feeding bars are symmetrically arranged along the vertical central axis of the U-shaped rotating bar to be more stable when grasping the bolts.

[0013] Furthermore, an automatic blanking device is provided inside the CNC lathe. The automatic blanking device includes a blanking port which is opened inside the installation box. A large inclined plate is fixedly connected to the side of the blanking port. The blanking port being opened inside the installation box can push the bolts to the blanking port, and the large inclined plate fixedly connected to the side of the blanking port is to enable the bolts to quickly fall into the collection box.

[0014] Furthermore, a large support plate is fixedly connected to the bottom of the CNC lathe. A collection box is slidably connected to the top of the large support plate. A limiting plate is fixedly connected to the side of the large inclined plate. The limiting plate fixedly connected to the side of the large inclined plate is beneficial for preventing the bolts from falling to the side during the process of rolling into the collection box.

[0015] Furthermore, a first fixing groove is opened at the bottom of the blanking port. A first rubber pad is provided at the bottom of the blanking port. A first fixing button is provided on the top of the first rubber pad. A second fixing groove is opened on the side of the large inclined plate. A second rubber pad is provided on the side of the large inclined plate. A second fixing button is provided on the top of the second rubber pad. The first rubber pad is provided at the bottom of the blanking port and the second rubber pad is provided on the side of the large inclined plate. The first rubber pad and the second rubber pad are provided to prevent the processed bolts from damaging the blanking port and the large inclined plate when discharging.

[0016] Furthermore, a support plate is fixedly connected to the side of the installation box. A scraper is fixedly connected to the bottom of the tool rest. A garbage port is opened on the top of the scraper. A garbage bin is slidably connected to the bottom of the CNC lathe. The support plate fixedly connected to the side of the installation box can collect the waste chips that fall during the bolt processing, and the waste chips can directly fall onto the support plate for easy cleaning. The scraper fixedly connected to the bottom of the tool rest is to clean the fallen waste chips.

[0017] Furthermore, the first fixing groove is provided in two groups and is symmetrically arranged along the vertical central axis of the blanking port. The first fixing button is provided in two groups and is symmetrically arranged along the vertical central axis of the first rubber pad. The second fixing groove is provided in four groups, two in a group, and is symmetrically arranged along the vertical central axis of the large inclined plate. The second fixing button is provided in four groups, two in a group, and is symmetrically arranged along the vertical central axis of the second rubber pad. The first fixing groove, the first fixing button, the second fixing groove and the second fixing button are used to fix the first rubber pad and the second rubber pad, and are easy to replace when damaged.

[0018] The utility model has the following beneficial effects:

[0019] The utility model realizes the function of automatic feeding by the cooperation of components such as the feeding port, support plate, support frame, rotating shaft, conveyor belt, U-shaped rotating bar, L-shaped feeding bar, motor, reciprocating lead screw, threaded sleeve, and L-shaped thrust bar inside the automatic feeding device, achieving the effect of automatic feeding of bolts. During the process of manufacturing bolts, manual labor is reduced, making it more convenient and efficient.

[0020] The utility model realizes the function of automatic discharging by the cooperation of components such as the discharging port, large inclined plate, large support plate, collection box, and limiting plate inside the automatic discharging device, achieving the effect of automatic discharging of the processed threads. The processed bolts can be quickly discharged, without the need for manual labor, reducing the labor input and saving more time.

[0021] Of course, it is not necessary for any product implementing the utility model to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0023] Figure 1 is a three-dimensional external structure schematic diagram of the present utility model;

[0024] Figure 2 is a three-dimensional overall structure schematic diagram of the automatic feeding device of the present utility model;

[0025] Figure 3 is a three-dimensional overall structure schematic diagram of the automatic discharging device of the present utility model;

[0026] Figure 4 is a three-dimensional side-sectional structure schematic diagram of the automatic discharging device of the present utility model;

[0027] Figure 5 is of the present utility model Figure 3 three-dimensional enlarged structure schematic diagram of A therein.

[0028] In the drawings, the list of components represented by each reference numeral is as follows:

[0029] 1. CNC lathe; 2. Installation box; 3. Spindle; 4. Lead screw; 5. Tool rest; 6. Automatic loading device; 61. Loading port; 62. Support plate; 63. Support frame; 64. Rotating shaft; 65. Conveyor belt; 66. U-shaped rotating bar; 67. L-shaped feeding bar; 68. Baffle; 69. Slide block box; 610. Slide block; 611. Slide plate; 612. Placing groove; 613. Inclined plate; 614. Return spring; 615. Motor; 616. Reciprocating lead screw; 617. Threaded sleeve; 618. L-shaped thrust bar; 7. Automatic unloading device; 71. Unloading port; 72. Large inclined plate; 73. Large support plate; 74. Collection box; 75. Limiting plate; 76. First fixing groove; 77. First rubber pad; 78. First fixing button; 79. Second fixing groove; 710. Second rubber pad; 711. Second fixing button; 712. Support plate; 713. Scraper; 714. Garbage port; 715. Dustbin. Detailed implementation manners

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in combination with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0031] Embodiment 1

[0032] As Figures 1 - 2 、 Figure 5 shown, this embodiment proposes an automatic loading and unloading device for a bolt CNC lathe, including a CNC lathe 1. An installation box 2 is fixedly connected inside the CNC lathe 1. A spindle 3 is fixedly connected to the side of the installation box 2. A lead screw 4 is arranged inside the CNC lathe 1. A tool rest 5 is threadedly connected to the circumferential surface of the lead screw 4. An automatic loading device 6 is arranged inside the CNC lathe 1;

[0033] The automatic loading device 6 includes a loading port 61. The loading port 61 is opened on the rear side of the CNC lathe 1. A support plate 62 is fixedly connected to the rear side of the CNC lathe 1. A support frame 63 is fixedly connected to the top of the support plate 62. A rotating shaft 64 is rotatably connected inside the support frame 63. A conveyor belt 65 is arranged on the circumferential surface of the rotating shaft 64.

[0034] A U-shaped rotating bar 66 is rotatably connected to the side of the rotating shaft 64. An L-shaped feeding bar 67 is fixedly connected to the side of the U-shaped rotating bar 66. A baffle 68 is fixedly connected to the side of the support frame 63. A U-shaped rotating bar 66 is rotatably connected to the side of the rotating shaft 64. An L-shaped feeding bar 67 is fixedly connected to the side of the U-shaped rotating bar 66, which can enable the bolts to be fed intermittently. A baffle 68 is fixedly connected to the side of the support frame 63 to place the bolts on the conveyor belt 65 so that the bolts will not fall due to the conveyance of the conveyor belt 65.

[0035] A draw block box 69 is fixedly connected to the front side of the support frame 63. A draw block 610 is slidably connected to the inside of the draw block box 69. A draw plate 611 is fixedly connected to the side of the draw block 610. A placement groove 612 is formed in the top of the draw block 610. An inclined plate 613 is fixedly connected to the top of the draw block box 69. A return spring 614 is fixedly connected to the inside of the draw block box 69. One end of the return spring 614 is fixedly connected to the inside of the draw block box 69, and the other end of the return spring 614 is fixedly connected to the side of the draw plate 611. A placement groove 612 is formed in the top of the draw block 610, and the placement groove 612 faces the main shaft 3, which is conducive to the correct placement of the bolts when feeding them into the main shaft 3. A return spring 614 is fixedly connected to the inside of the draw block box 69 so that when the tool rest 5 comes, the draw block box 69 can be squeezed, the tool rest 5 can work, and after the tool rest 5 finishes working, the return spring 614 can be reset to continue to complete the subsequent work.

[0036] A motor 615 is fixedly connected to the inside of the numerically controlled lathe 1. The output end of the motor 615 is fixedly connected to a reciprocating lead screw 616. A threaded sleeve 617 is threadedly connected to the circumferential surface of the reciprocating lead screw 616. An L-shaped thrust bar 618 is fixedly connected to the side of the threaded sleeve 617. A threaded sleeve 617 is threadedly connected to the circumferential surface of the reciprocating lead screw 616. An L-shaped thrust bar 618 is fixedly connected to the side of the threaded sleeve 617. The L-shaped thrust bar 618 can be used to push the bolts into the main shaft 3 for processing the bolts.

[0037] Two sets of rotating shafts 64 are provided and are symmetric with respect to the vertical central axis of the conveyor belt 65. Two sets of baffles 68 are provided and are symmetric with respect to the vertical central axis of the support frame 63. Two sets of L-shaped feeding bars 67 are provided and are symmetric with respect to the vertical central axis of the U-shaped rotating bar 66. Two sets of baffles 68 are provided and are symmetric with respect to the vertical central axis of the support frame 63 to prevent the bolts from falling during transportation. Two sets of L-shaped feeding bars 67 are provided and are symmetric with respect to the vertical central axis of the U-shaped rotating bar 66 to be more stable when grasping the bolts.

[0038] In this embodiment, first, when the staff uses the bolt numerical control lathe to process bolts, the staff uses the conveyor belt 65, places the bolts on the conveyor belt 65. The counterclockwise rotation of the rotating shaft 64 will cause the conveyor belt 65 to transport forward. While the rotating shaft 64 rotates counterclockwise, it will drive the U-shaped rotating bar 66 to rotate counterclockwise, and the L-shaped feeding bar 67 will also rotate counterclockwise together. The conveyor belt 65 transports the bolts to the L-shaped feeding bar 67. The counterclockwise rotation of the rotating shaft 64 drives the U-shaped rotating bar 66, and the U-shaped rotating bar 66 simultaneously drives the L-shaped feeding bar 67 to rotate counterclockwise. The L-shaped feeding bar 67 will place the bolts on the inclined plate 613. Because the inclined plate 613 is an inclined surface, the bolts will roll into the placement groove 612. Then the staff starts the motor 615, the motor 615 drives the reciprocating lead screw 616, and the clockwise rotation of the reciprocating lead screw 616 drives the thread sleeve 617 to move left and right. The thread sleeve 617 will drive the L-shaped thrust bar 618 to move left and right as well. When starting the motor 615, the reciprocating lead screw 616 drives the thread sleeve 617 and the L-shaped thrust bar 618 to move left. The L-shaped thrust bar 618 will push the bolts in the placement groove 612 into the main shaft 3. Finally, start the lead screw 4, the lead screw 4 will drive the tool rest 5 to move back and forth. When the tool rest 5 moves backward, it will touch the extraction plate 611. There is a return spring 614 in the extraction block box 69, which can squeeze the extraction block 610 into the extraction block box 69. Then process the bolts in the main shaft 3. After processing, the extraction block 610 and the extraction plate 611 will be reset due to the force of the return spring 614 and be used repeatedly, thus achieving the effect of automatic feeding.

[0039] Embodiment 2

[0040] As Figure 3 、 Figure 4 shown, based on the same concept as the above Embodiment 1, in this embodiment, an automatic blanking device 7 is provided inside the numerical control lathe 1. The automatic blanking device 7 includes a blanking port 71. The blanking port 71 is opened inside the installation box 2. The blanking port 71 opened inside the installation box 2 can push the bolts to the blanking port 71. A large inclined plate 72 is fixedly connected to the side of the blanking port 71 to make the bolts quickly fall into the collection box 74.

[0041] The bottom of the numerical control lathe 1 is fixedly connected with a large support plate 73. The top of the large support plate 73 is slidably connected with a collection box 74. A limiting plate 75 is fixedly connected to the side of the large inclined plate 72. The limiting plate 75 is fixedly connected to the side of the large inclined plate 72. This is beneficial for preventing the bolts from falling to the side during the process of rolling into the collection box 74.

[0042] The bottom of the blanking port 71 is provided with a first fixing groove 76. A first rubber pad 77 is arranged at the bottom of the blanking port 71. A first fixing button 78 is arranged on the top of the first rubber pad 77. A second fixing groove 79 is formed in the side surface of the large inclined plate 72. A second rubber pad 710 is arranged on the side surface of the large inclined plate 72. A second fixing button 711 is arranged on the top of the second rubber pad 710. A first rubber pad 77 is arranged at the bottom of the blanking port 71, and a second rubber pad 710 is arranged on the side surface of the large inclined plate 72. The first rubber pad 77 and the second rubber pad 710 are provided to prevent the processed bolts from damaging the blanking port 71 and the large inclined plate 72 when the bolts are discharged during blanking.

[0043] A support plate 712 is fixedly connected to the side surface of the installation box 2. A scraping plate 713 is fixedly connected to the bottom of the tool rest 5. A garbage port 714 is formed in the top of the scraping plate 713. A garbage bin 715 is slidably connected to the bottom of the CNC lathe 1. The support plate 712 fixedly connected to the side surface of the installation box 2 can directly catch the waste chips that fall during the bolt processing, which is convenient for cleaning. The scraping plate 713 fixedly connected to the bottom of the tool rest 5 is used to clean the fallen waste chips.

[0044] The first fixing grooves 76 are provided in two groups and are symmetric with respect to the vertical central axis of the blanking port 71. The first fixing buttons 78 are provided in two groups and are symmetric with respect to the vertical central axis of the first rubber pad 77. The second fixing grooves 79 are provided in four, two in a group, and are symmetric with respect to the vertical central axis of the large inclined plate 72. The second fixing buttons 711 are provided in four, two in a group, and are symmetric with respect to the vertical central axis of the second rubber pad 710. The first fixing grooves 76, the first fixing buttons 78, the second fixing grooves 79 and the second fixing buttons 711 are used to fix the first rubber pad 77 and the second rubber pad 710, and are easy to replace when damaged.

[0045] In this embodiment, first, the bolts have been processed. The staff starts the motor 615, and the motor 615 drives the reciprocating lead screw 616 to rotate clockwise. The reciprocating lead screw 616 will simultaneously drive the threaded sleeve 617 and the L-shaped thrust bar 618 to move left and right. When the reciprocating lead screw 616 drives the threaded sleeve 617 and the L-shaped thrust bar 618 to move to the left, the processed bolts will be pushed into the blanking port 71. The large inclined plate 72, due to its inclined surface, will cause the bolts to quickly fall into the collection box 74. Rubber pads, the first rubber pad 77 and the second rubber pad 710, are laid on both the blanking port 71 and the large inclined plate 72. The first rubber pad 77 and the second rubber pad 710 are fixed by the fixing buttons, the first fixing button 78 and the second fixing button 711. When blanking, the bolts will hit the blanking port 71 and the large inclined plate 72 and may be damaged. Therefore, it is necessary to lay the first rubber pad 77 and the second rubber pad 710 to protect the blanking port 71 and the large inclined plate 72. The first rubber pad 77 and the second rubber pad 710 can be replaced when damaged. When processing bolts, waste chips will fall onto the support plate 712. When the lead screw 4 drives the tool holder 5 to move back and forth, the waste chips on the support plate 712 will be swept into the trash bin 715, thus achieving the effect of automatic blanking.

[0046] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. Automatic loading and unloading device for bolt CNC lathe, including a CNC lathe (1), an installation box (2) is fixedly connected inside the CNC lathe (1), a main shaft (3) is fixedly connected to the side of the installation box (2), a lead screw (4) is arranged inside the CNC lathe (1), a tool rest (5) is threadedly connected to the circumferential surface of the lead screw (4), and an automatic loading device (6) is arranged inside the CNC lathe (1); The automatic loading device (6) includes a loading port (61), the loading port (61) is opened on the rear side of the CNC lathe (1), a support plate (62) is fixedly connected to the rear side of the CNC lathe (1), a support frame (63) is fixedly connected to the top of the support plate (62), a rotating shaft (64) is rotatably connected inside the support frame (63), and a conveyor belt (65) is arranged on the circumferential surface of the rotating shaft (64).

2. The automatic loading and unloading device for the bolt CNC lathe according to claim 1, wherein, A U-shaped rotating bar (66) is rotatably connected to the side of the rotating shaft (64), an L-shaped feeding bar (67) is fixedly connected to the side of the U-shaped rotating bar (66), and a baffle (68) is fixedly connected to the side of the support frame (63).

3. The automatic loading and unloading device for the numerically controlled lathe of the bolt according to claim 2, wherein, A pulling block box (69) is fixedly connected to the front side of the support frame (63), a pulling block (610) is slidably connected inside the pulling block box (69), a pulling plate (611) is fixedly connected to the side of the pulling block (610), a placement groove (612) is opened on the top of the pulling block (610), an inclined plate (613) is fixedly connected to the top of the pulling block box (69), a return spring (614) is fixedly connected inside the pulling block box (69), one end of the return spring (614) is fixedly connected inside the pulling block box (69), and the other end of the return spring (614) is fixedly connected to the side of the pulling plate (611).

4. The automatic loading and unloading device for a bolt CNC lathe according to claim 3, characterized in that, A motor (615) is fixedly connected inside the CNC lathe (1), a reciprocating lead screw (616) is fixedly connected to the output end of the motor (615), a threaded sleeve (617) is threadedly connected to the circumferential surface of the reciprocating lead screw (616), and an L-shaped thrust bar (618) is fixedly connected to the side of the threaded sleeve (617).

5. The automatic loading and unloading device for a bolt CNC lathe according to claim 4, characterized in that, The rotating shaft (64) is provided in two groups and is symmetrically arranged along the vertical central axis of the conveyor belt (65), the baffle (68) is provided in two groups and is symmetrically arranged along the vertical central axis of the support frame (63), and the L-shaped feeding bar (67) is provided in two groups and is symmetrically arranged along the vertical central axis of the U-shaped rotating bar (66).

6. The automatic loading and unloading device for the numerically controlled lathe of the bolt according to claim 5, characterized in that, An automatic unloading device (7) is arranged inside the CNC lathe (1), the automatic unloading device (7) includes an unloading port (71), the unloading port (71) is opened inside the installation box (2), and a large inclined plate (72) is fixedly connected to the side of the unloading port (71).

7. The automatic loading and unloading device for a bolt CNC lathe according to claim 6, characterized in that, A large support plate (73) is fixedly connected to the bottom of the CNC lathe (1), a collection box (74) is slidably connected to the top of the large support plate (73), and a limiting plate (75) is fixedly connected to the side of the large inclined plate (72).

8. The automatic loading and unloading device for the bolt CNC lathe according to claim 7, characterized in that, A first fixing groove (76) is formed at the bottom of the blanking port (71). A first rubber pad (77) is arranged at the bottom of the blanking port (71). A first fixing button (78) is arranged at the top of the first rubber pad (77). A second fixing groove (79) is formed in the side surface of the large inclined plate (72). A second rubber pad (710) is arranged on the side surface of the large inclined plate (72). A second fixing button (711) is arranged at the top of the second rubber pad (710).

9. The automatic loading and unloading device for a bolt CNC lathe according to claim 8, wherein, A support plate (712) is fixedly connected to the side surface of the mounting box (2). A scraping plate (713) is fixedly connected to the bottom of the tool rest (5). A garbage port (714) is formed at the top of the scraping plate (713). A garbage bin (715) is slidably connected to the bottom of the numerical control lathe (1).

10. The automatic loading and unloading device for the bolt CNC lathe according to claim 9, characterized in that, The first fixing grooves (76) are arranged in two groups and are symmetric with respect to the vertical central axis of the blanking port (71). The first fixing buttons (78) are arranged in two groups and are symmetric with respect to the vertical central axis of the first rubber pad (77). The second fixing grooves (79) are arranged in four, two in a group, and are symmetric with respect to the vertical central axis of the large inclined plate (72). The second fixing buttons (711) are arranged in four, two in a group, and are symmetric with respect to the vertical central axis of the second rubber pad (710).

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