Auxiliary feeding device for nut machine

Abstract

The utility model relates to the technical field of auxiliary feeding, in particular to an auxiliary feeding device for a nut machine. The technical problems that according to a common auxiliary feeding device for the nut machine, workpieces are usually manually taken out of an external loading container and placed on a conveying belt to be conveyed, then operators or equipment near the nut machine take down the workpieces and place the workpieces on an assembly station, and nut installation and connection work is completed through the nut machine are solved, so that the working efficiency is low, and the labor intensity is high. And the space utilization rate needs to be improved. According to the technical scheme, the auxiliary feeding device for the nut machine comprises a main fixing frame. A large number of workpieces can be stored and stacked through the arranged movable material supporting assembly, meanwhile, the movable material supporting assembly is matched with the arranged material receiving and feeding assembly, the workpieces are sequentially taken and conveyed, then the workpieces are grabbed through the arranged clamping and feeding assembly and placed on the nut mounting workbench, nut assembling work of the nut machine is conveniently completed, and the working efficiency is improved. The structure is compact, the working efficiency can be improved, and the space utilization rate is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary feeding, in particular to an auxiliary feeding device for a nut machine. Background Art

[0002] A nut machine usually refers to a device that assembles workpieces and nuts by welding or mechanical connection so that the workpieces can be connected and fixed to mechanical parts. When loading, it is usually necessary to use an auxiliary loading device for the nut machine to transport the workpieces in sequence to the installation station near the nut machine.

[0003] Common auxiliary feeding devices for nut machines usually manually take out the workpieces to be processed from an external loading container and place them on a conveyor belt for transmission. Then, operators or equipment near the nut machine take the workpieces off one by one and place them at the assembly station. The nut machine then completes the installation and connection of the nuts. The work efficiency is low and the space occupied is large, so the space utilization needs to be improved.

[0004] Therefore, the problem that the auxiliary feeding device for the above-mentioned nut machine has low working efficiency, occupies a large space, and the space utilization rate needs to be improved urgently needs to be solved in order to improve the usage scenario. Utility Model Content

[0005] In order to overcome the problems of common auxiliary feeding devices for nut machines, which have low working efficiency, occupy a large space and the space utilization needs to be improved.

[0006] The technical solution of the utility model is: an auxiliary feeding device for a nut machine, comprising a main fixing frame, a sub-fixing frame connected to the right end of the main fixing frame, a PLC control host installed on the left side of the upper end of the main fixing frame, a first mounting plate connected to the top of the main fixing frame, a plurality of groups of movable supporting components are arranged on the top of the first mounting plate, a material receiving and feeding component is connected to the lower end of the main fixing frame, a fixing frame is connected to the top of the sub-fixing frame, a clamping and feeding component is installed inside the fixing frame, and a nut mounting workbench is arranged on the left side of the front end of the sub-fixing frame.

[0007] Preferably, a large number of workpieces can be stored and stacked through the provided movable supporting assembly, and at the same time, cooperate with the provided material receiving and feeding assembly to realize the sequential picking and transportation of the workpieces. Thereafter, the workpieces are grabbed by the provided clamping and feeding assembly and placed on the nut installation workbench, so as to facilitate the nut machine to complete the assembly of the nuts and the workpieces. The structures are compact, which can improve the work efficiency and the space utilization rate at the same time, so as to solve the problem that the common auxiliary loading device for the nut machine usually manually takes out the workpiece to be processed from an external loading container and places it on a conveyor belt for transmission. Thereafter, the operator or equipment near the nut machine takes the workpieces down in turn and places them at the assembly station, and then the nut machine completes the installation and connection of the nuts. The work efficiency is low, and the space occupied is large, and the space utilization rate needs to be improved.

[0008] Preferably, the movable supporting assembly includes a fixed folding plate, a limiting guide rod, a first thin cylinder, and a first supporting rack; a through slot is opened in the middle of the first mounting plate, and a plurality of groups of fixed folding plates are equidistantly installed on the top of the first mounting plate near the front and rear sides of the through slot, and a limiting guide rod is provided on one side of the fixed folding plate near the through slot, and a first thin cylinder is installed on the top front end of the first mounting plate between the fixed folding plates, and the rear end of the first thin cylinder is connected to the first supporting rack, and the first supporting rack can be controlled to move forward and backward by the first thin cylinder.

[0009] Preferably, the movable supporting assembly includes a second thin cylinder and a second supporting rack; a second thin cylinder is arranged at the top of the rear end of the first mounting plate between the fixed folding plates, and a second supporting rack is installed at the front end of the second thin cylinder. The second supporting rack can be controlled to move forward and backward by the second thin cylinder, and the workpieces that need to be assembled with nuts are stacked between the limiting guide rods. The first supporting rack and the second supporting rack serve to support the workpiece at the bottom, which is convenient for neatly preventing a large number of workpieces while occupying a smaller space.

[0010] Preferably, the material receiving and feeding assembly includes a second mounting plate, a transmission guide rail, a servo motor, a movable seat, and a first drag chain; the second mounting plate is connected to the lower end of the main fixed frame, a transmission guide rail is arranged on the top of the second mounting plate, a servo motor is arranged on the right end of the transmission guide rail, a movable seat is movably connected to the top of the left end of the transmission guide rail, and a first drag chain is connected between the front side of the movable seat and the top of the front end of the second mounting plate. Starting the servo motor can drive the movable seat to move along the transmission guide rail.

[0011] Preferably, the material receiving and feeding assembly includes an anti-slip support seat, a first double-guide rod cylinder, a first lifting rod, a first support block, a second double-guide rod cylinder, a second lifting rod, and a second support block; an anti-slip support seat is installed in the middle position on the top of the movable seat, and the top of the anti-slip support seat matches the shape of the bottom of the workpiece, a first double-guide rod cylinder is installed on the right side of the anti-slip support seat, the upper end of the first double-guide rod cylinder is connected to the first lifting rod, and the first support block is installed on the top of the first lifting rod, and a second double-guide rod cylinder is arranged on the left side of the anti-slip support seat, the upper end of the second double-guide rod cylinder is connected to the second lifting rod, and the second support block is installed on the top of the second lifting rod. When it is necessary to take out the workpieces in sequence to the clamping and feeding assembly so that the nut machine can assemble nuts, the servo motor is controlled to move the movable seat to the bottom of the stacked workpieces, and the first double-guide rod cylinder is controlled to move the first lifting rod, the first support block The block is lifted, and the second double-guide rod cylinder is controlled to lift the second lifting rod and the second support block, so that the first support block and the second support block are close to the bottom of the lowest workpiece. At this time, the first thin cylinder is controlled to drive the first support rack to move forward, and the second thin cylinder is controlled to drive the second support rack to move backward. The lowest workpiece falls to the top of the first support block and the second support block under the action of gravity. Then, the first thin cylinder is controlled to drive the first support rack to move backward, and the second thin cylinder is controlled to drive the second support rack to move forward to support the second to last workpiece at the bottom. Then, the first double guide rod cylinder and the second double guide rod cylinder are controlled to make the first support block and the second support block drive the workpiece to descend until the workpiece falls stably on the top of the anti-slip support seat, and the servo motor is controlled to rotate to make the movable seat move to the right until the workpiece carried by the anti-slip support seat reaches a position close to the left side of the auxiliary fixed frame.

[0012] Preferably, the clamping and feeding assembly includes a lifting plate, a pneumatic linear guide, a slide, and a second drag chain; a lifting plate is hung on the upper end of the fixed frame, a pneumatic linear guide is installed on the front side of the lifting plate, a slide is movably connected in the middle of the pneumatic linear guide, and a second drag chain is connected between the upper end of the slide and the lifting plate close to the left side of the fixed frame.

[0013] Preferably, the clamping and feeding assembly includes a lifting cylinder, a mounting frame, and a pneumatic clamp; a lifting cylinder is installed at the front end of the slide, the lower end of the lifting cylinder is connected to the mounting frame, and the pneumatic clamp is installed at the bottom of the front end of the mounting frame. When the workpiece reaches the position close to the left side of the auxiliary fixed frame, the lifting cylinder is controlled to drive the mounting frame and the pneumatic clamp to rise, and then the slide moves backward. After reaching directly above the workpiece, the lifting cylinder is controlled to drive the mounting frame to descend, and the workpiece is clamped by the pneumatic clamp. The lifting cylinder is controlled to drive the mounting frame and the pneumatic clamp to rise, and the slide moves forward until the workpiece reaches directly above the nut installation workbench. The lifting cylinder is controlled to drive the mounting frame and the pneumatic clamp to descend. After the workpiece is placed on the nut installation workbench, the pneumatic clamp is controlled to release the workpiece.

[0014] Beneficial effects of the utility model:

[0015] 1. The movable support assembly can store and stack a large number of workpieces, and cooperate with the material receiving and feeding assembly to realize the sequential picking and transportation of the workpieces. Then, the workpieces are grabbed by the clamping and feeding assembly and placed on the nut installation workbench, which is convenient for the nut machine to complete the assembly of the nut and the workpiece. The compact structure between them can improve the work efficiency and the space utilization rate, so as to solve the common auxiliary feeding device for nut machines, which usually manually takes out the workpiece to be processed from the external loading container and places it on the conveyor belt for transmission. Then, the operator or equipment near the nut machine takes the workpieces down in turn and places them on the assembly station, and then the nut machine completes the installation and connection of the nut, which has low work efficiency and occupies a large space, and the space utilization rate needs to be improved.

[0016] 2. Stack the workpieces that need to be assembled with nuts between the limiting guide rods. The first support rack and the second support rack serve to support the workpiece at the bottom, which is convenient for tidying up and preventing a large number of workpieces while occupying a small space. When the workpieces need to be taken out one by one to the clamping and feeding assembly so that the nut machine can assemble the nuts, control the servo motor to move the movable seat to the bottom of the stacked workpieces, control the first double-guide rod cylinder to lift the first lifting rod and the first support block, control the second double-guide rod cylinder to lift the second lifting rod and the second support block, so that the first support block and the second support block are close to the bottom of the lowest workpiece. At this time, control the first thin cylinder to drive the first support rack to move forward, control the second thin cylinder to drive the second support rack to move backward, and the lowest workpiece falls to the top of the first support block and the second support block under the action of gravity. Then, control the first thin cylinder to drive the first support rack to move backward, and control the second thin cylinder to drive the second support rack to move backward. The material rack moves forward to support the second to last workpiece at the bottom, and then the first double guide rod cylinder and the second double guide rod cylinder are controlled to make the first support block and the second support block drive the workpiece to descend until the workpiece falls stably on the top of the anti-slip support seat, and the servo motor is controlled to rotate to make the movable seat move to the right until the workpiece carried by the anti-slip support seat reaches the left position close to the auxiliary fixed frame, and then the lifting cylinder is controlled to drive the mounting frame and the pneumatic clamp to rise, and then the slide table moves backward. After reaching the top of the workpiece, the lifting cylinder is controlled to drive the mounting frame to descend, and the workpiece is clamped by the pneumatic clamp, and the lifting cylinder is controlled to drive the mounting frame and the pneumatic clamp to rise, so that the slide table moves forward until the workpiece reaches the top of the nut installation workbench, and the lifting cylinder is controlled to drive the mounting frame and the pneumatic clamp to descend. After the workpiece is placed on the nut installation workbench, the pneumatic clamp is controlled to release the workpiece, so as to facilitate the subsequent operation of the nut machine to process the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The three-dimensional structure diagram of the auxiliary feeding device for a nut machine of the utility model is shown. Figure 1 ;

[0018] Figure 2Shown is a schematic diagram of the structure of a main fixing frame and a secondary fixing frame of an auxiliary feeding device for a nut machine of the utility model;

[0019] Figure 3 The three-dimensional structure diagram of the auxiliary feeding device for a nut machine of the utility model is shown. Figure 2 ;

[0020] Figure 4 The utility model is a kind of auxiliary feeding device for nut machine Figure 3 Schematic diagram of the detailed structure at A;

[0021] Figure 5 What is shown is a schematic diagram of the structure of a material receiving and feeding assembly of an auxiliary feeding device for a nut machine of the utility model;

[0022] Figure 6 The utility model is a kind of auxiliary feeding device for nut machine Figure 5 Schematic diagram of the detailed structure at B;

[0023] Figure 7 Shown is a schematic diagram of the structure of a clamping and feeding assembly of an auxiliary feeding device for a nut machine of the utility model;

[0024] Figure 8 The utility model is a kind of auxiliary feeding device for nut machine Figure 7 Schematic diagram of the detailed structure at C.

[0025] In the figure: 1, main fixed frame; 2, auxiliary fixed frame; 3, PLC control host; 4, first mounting plate; 5, movable support assembly; 6, material receiving and feeding assembly; 7, fixed frame; 8, clamping and feeding assembly; 9, nut mounting workbench; 501, fixed folding plate; 502, limit guide rod; 503, first thin cylinder; 504, first support frame; 505, second thin cylinder; 506, second support frame; 601, second mounting plate; 602, transmission guide rail; 603, second mounting plate; 604, second mounting plate; 605, second mounting plate; 606, second mounting plate; 607, second mounting plate; 608, second mounting plate; 609, second mounting plate; 610, second mounting plate; 611, second mounting plate; 612, second mounting plate; 613, second mounting plate; 614, second mounting plate; 615, second mounting plate; 616, second mounting plate; 617, second mounting plate; 618, second mounting plate; 619, second mounting plate; 620, second mounting plate; 621, second mounting plate; 622, second mounting plate; 623, second mounting plate; 624, second mounting plate; 625, second mounting plate; 626, second mounting plate; 627, second mounting plate; 628, second mounting plate; 629, second mounting plate; 630, second mounting plate; 631, second mounting plate; 632, second mounting plate; 633, second mounting plate; 634, second mounting plate; 635, second mounting plate; 636, second mounting plate; 637, second mounting plate; 638, second mounting plate; 639, second mounting plate; 640, second mounting plate; 641, second mounting plate; 642, second mounting plate; 64 03, servo motor; 604, movable seat; 605, first drag chain; 606, anti-slip support seat; 607, first double-guide rod cylinder; 608, first lifting rod; 609, first support block; 610, second double-guide rod cylinder; 611, second lifting rod; 612, second support block; 801, lifting plate; 802, pneumatic linear guide; 803, slide; 804, second drag chain; 805, lifting cylinder; 806, mounting frame; 807, pneumatic gripper. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0027] See also Figure 1-3The utility model provides an embodiment: an auxiliary feeding device for a nut machine, comprising a main fixed frame 1, a sub-fixed frame 2 is connected to the right end of the main fixed frame 1, a PLC control host 3 is installed on the left side of the upper end of the main fixed frame 1, a first mounting plate 4 is connected to the top of the main fixed frame 1, a plurality of groups of movable supporting components 5 are arranged on the top of the first mounting plate 4, a material receiving and feeding component 6 is connected to the lower end of the main fixed frame 1, a fixed frame 7 is connected to the top of the sub-fixed frame 2, a clamping and feeding component 8 is installed inside the fixed frame 7, and a nut mounting workbench 9 is arranged on the left side of the front end of the sub-fixed frame 2.

[0028] See also Figure 4 In this embodiment, the movable supporting assembly 5 includes a fixed folding plate 501, a limiting guide rod 502, a first thin cylinder 503, and a first supporting frame 504; a through slot is provided in the middle of the first mounting plate 4, and a plurality of fixed folding plates 501 are equidistantly installed at the top of the first mounting plate 4 near the front and rear sides of the through slot, and a limiting guide rod 502 is provided on one side of the fixed folding plate 501 near the through slot, and a first thin cylinder 503 is installed at the top of the front end of the first mounting plate 4 between the fixed folding plates 501, and a first supporting frame 504 is connected to the rear end of the first thin cylinder 503, and the first thin cylinder 503 can be used to control the first The support rack 504 moves forward and backward, and the movable support assembly 5 includes a second thin cylinder 505 and a second support rack 506; a second thin cylinder 505 is arranged at the top of the rear end of the first mounting plate 4 between the fixed folding plate 501, and a second support rack 506 is installed at the front end of the second thin cylinder 505. The second support rack 506 can be controlled to move forward and backward by the second thin cylinder 505, and the workpieces that need to be assembled with nuts are stacked between the limiting guide rods 502. The first support rack 504 and the second support rack 506 support the workpiece at the bottom, which is convenient for tidying up a large number of workpieces while occupying less space.

[0029] See also Figure 5-6In this embodiment, the material receiving and feeding component 6 includes a second mounting plate 601, a transmission guide rail 602, a servo motor 603, a movable seat 604, and a first drag chain 605; the lower end of the main fixed frame 1 is connected to the second mounting plate 601, the top of the second mounting plate 601 is provided with a transmission guide rail 602, the right end of the transmission guide rail 602 is provided with a servo motor 603, the top of the left end of the transmission guide rail 602 is movably connected with a movable seat 604, and the first drag chain 605 is connected between the front side of the movable seat 604 and the top of the front end of the second mounting plate 601. Starting the servo motor 603 can drive the movable seat 604 to move along the transmission guide rail 602. The material receiving and feeding component 6 includes an anti-slip support. The movable seat 604 is provided with a first double-guide rod cylinder 607, a first lifting rod 608, a first support block 609, a second double-guide rod cylinder 610, a second lifting rod 611, and a second support block 612; an anti-skid support seat 606 is installed at the middle position on the top of the movable seat 604, and the top of the anti-skid support seat 606 matches the shape of the bottom of the workpiece, and the first double-guide rod cylinder 607 is installed on the right side of the anti-skid support seat 606, and the first lifting rod 608 is connected to the upper end of the first double-guide rod cylinder 607, and the first support block 609 is installed on the top of the first lifting rod 608, and the second double-guide rod cylinder 610 is arranged on the left side of the anti-skid support seat 606, and the second lifting rod 611 is connected to the upper end of the second double-guide rod cylinder 610. 1. A second support block 612 is installed on the top of the second lifting rod 611. When it is necessary to take out the workpieces in sequence to the clamping and feeding assembly 8 so that the nut machine can assemble nuts, the servo motor 603 is controlled to move the movable seat 604 to the bottom of the stacked workpieces, the first double-guide rod cylinder 607 is controlled to lift the first lifting rod 608 and the first support block 609, and the second double-guide rod cylinder 610 is controlled to lift the second lifting rod 611 and the second support block 612, so that the first support block 609 and the second support block 612 are close to the bottom of the lowest workpiece. At this time, the first thin cylinder 503 is controlled to drive the first support frame 504 to move forward, and the second thin cylinder 505 is controlled to drive the second support frame 506 backward. Move, and the lowest workpiece falls to the top of the first support block 609 and the second support block 612 under the action of gravity, and then the first thin cylinder 503 is controlled to drive the first support frame 504 to move backward, and the second thin cylinder 505 is controlled to drive the second support frame 506 to move forward to support the second to last workpiece at the bottom, and then the first double-guide rod cylinder 607 and the second double-guide rod cylinder 610 are controlled to make the first support block 609 and the second support block 612 drive the workpiece to descend, until the workpiece stably falls on the top of the anti-slip support seat 606, and the servo motor 603 is controlled to rotate to make the movable seat 604 move to the right, until the workpiece carried by the anti-slip support seat 606 reaches a position close to the left side of the auxiliary fixed frame 2.

[0030] See also Figure 7-8In this embodiment, the clamping and feeding assembly 8 includes a hanging plate 801, a pneumatic linear guide 802, a slide 803, and a second drag chain 804; a hanging plate 801 is hung on the upper end of the fixed frame 7, a pneumatic linear guide 802 is installed on the front side of the hanging plate 801, a slide 803 is movably connected in the middle of the pneumatic linear guide 802, a second drag chain 804 is connected between the upper end of the slide 803 and the hanging plate 801 near the left side of the fixed frame 7, and the clamping and feeding assembly 8 includes a lifting cylinder 805, a mounting frame 806, and a pneumatic clamp 807; a lifting cylinder 805 is installed at the front end of the slide 803, a mounting frame 806 is connected to the lower end of the lifting cylinder 805, and a mounting frame 806 is installed at the bottom of the front end of the mounting frame 806 There is a pneumatic clamp 807. When the workpiece reaches the position close to the left side of the auxiliary fixed frame 2, the lifting cylinder 805 is controlled to drive the mounting frame 806 and the pneumatic clamp 807 to rise, and then the slide 803 is moved backward. After reaching the top of the workpiece, the lifting cylinder 805 is controlled to drive the mounting frame 806 to descend, and the workpiece is clamped by the pneumatic clamp 807. The lifting cylinder 805 is controlled to drive the mounting frame 806 and the pneumatic clamp 807 to rise, and the slide 803 is moved forward until the workpiece reaches the top of the nut installation workbench 9. The lifting cylinder 805 is controlled to drive the mounting frame 806 and the pneumatic clamp 807 to descend. After the workpiece is placed on the nut installation workbench 9, the pneumatic clamp 807 is controlled to release the workpiece.

[0031] When working, the workpieces that need to be assembled with nuts are stacked between the limiting guide rods 502. The first bracket 504 and the second bracket 506 support the workpiece at the bottom, which is convenient for tidying up a large number of workpieces while occupying a small space. When the workpieces need to be taken out in sequence to the clamping and feeding assembly 8 so that the nut machine can assemble nuts, the servo motor 603 is controlled to move the movable seat 604 to the bottom of the stacked workpieces, the first double-guide rod cylinder 607 is controlled to lift the first lifting rod 608 and the first support block 609, and the second double-guide rod cylinder 610 is controlled to lift the second lifting rod 611, the second support block 612 is lifted, so that the first support block 609 and the second support block 612 are close to the bottom of the lowest workpiece. At this time, the first thin cylinder 503 is controlled to drive the first support frame 504 to move forward, and the second thin cylinder 505 is controlled to drive the second support frame 506 to move backward. The lowest workpiece falls to the top of the first support block 609 and the second support block 612 under the action of gravity. Then, the first thin cylinder 503 is controlled to drive the first support frame 504 to move backward, and the second thin cylinder 505 is controlled to drive the second support frame 506 to move forward, supporting the bottom countdown. The second workpiece is then controlled by the first double-guide-rod cylinder 607 and the second double-guide-rod cylinder 610 to make the first support block 609 and the second support block 612 drive the workpiece to descend until the workpiece stably falls on the top of the anti-slip support seat 606, and the servo motor 603 is controlled to rotate to make the movable seat 604 move to the right until the workpiece carried by the anti-slip support seat 606 reaches the left side of the auxiliary fixed frame 2, and then the lifting cylinder 805 is controlled to drive the mounting frame 806 and the pneumatic clamp 807 to rise, and then the slide 803 is moved backward. After reaching the top of the workpiece, the lifting cylinder 805 is controlled to drive the mounting frame 806 and the pneumatic clamp 807 to rise. The movable mounting frame 806 descends, and the workpiece is clamped by the pneumatic clamp 807. The lifting cylinder 805 is controlled to drive the mounting frame 806 and the pneumatic clamp 807 to rise, so that the slide 803 moves forward until the workpiece reaches the top of the nut mounting workbench 9. The lifting cylinder 805 is controlled to drive the mounting frame 806 and the pneumatic clamp 807 to descend. After the workpiece is placed on the nut mounting workbench 9, the pneumatic clamp 807 is controlled to loosen the workpiece, so that the nut machine can complete the assembly of the nut and the workpiece. The structure is compact, which can improve work efficiency and space utilization.

[0032] Through the above steps, a large number of workpieces can be stored and stacked by the set movable supporting assembly 5, and at the same time, it cooperates with the set material receiving and feeding assembly 6 to realize the sequential picking and transportation of the workpieces. Then, the workpiece is grabbed by the set clamping and feeding assembly 8 and placed on the nut installation workbench 9, which is convenient for the nut machine to complete the assembly of the nut and the workpiece. The structures are compact, which can improve the work efficiency and the space utilization rate at the same time, so as to solve the problem that the common auxiliary feeding device for the nut machine is usually to manually take out the workpiece to be processed from the external loading container and place it on the conveyor belt for transmission. Then, the operator or equipment near the nut machine takes the workpiece down in turn and places it at the assembly station, and then the nut machine is used to complete the installation and connection of the nut. The work efficiency is low, and the space occupied is large, and the space utilization rate needs to be improved.

[0033] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. An auxiliary feeding device for a nut machine, comprising a main fixing frame (1), characterized in that: The right end of the main fixed frame (1) is connected to the auxiliary fixed frame (2), the upper left side of the main fixed frame (1) is equipped with a PLC control host (3), the top of the main fixed frame (1) is connected to a first mounting plate (4), the top of the first mounting plate (4) is provided with a plurality of groups of movable material supporting components (5), the lower end of the main fixed frame (1) is connected to a material receiving and feeding component (6), the top of the auxiliary fixed frame (2) is connected to a fixed frame (7), a clamping and feeding component (8) is installed inside the fixed frame (7), and a nut mounting workbench (9) is provided on the left side of the front end of the auxiliary fixed frame (2).

2. The auxiliary feeding device for a nut machine according to claim 1, characterized in that: The movable support assembly (5) comprises a fixed folding plate (501), a limiting guide rod (502), a first thin cylinder (503), and a first support frame (504); a through slot is provided in the middle of the first mounting plate (4); a plurality of fixed folding plates (501) are equidistantly installed at the top of the first mounting plate (4) near the front and rear sides of the through slot; a limiting guide rod (502) is provided at one side of the fixed folding plate (501) near the through slot; a first thin cylinder (503) is installed at the top of the front end of the first mounting plate (4) between the fixed folding plates (501); and the first support frame (504) is connected to the rear end of the first thin cylinder (503).

3. The auxiliary feeding device for a nut machine according to claim 2, characterized in that: The movable support assembly (5) comprises a second thin cylinder (505) and a second support rack (506); the second thin cylinder (505) is arranged at the top of the rear end of the first mounting plate (4) between the fixed folding plates (501), and the second support rack (506) is installed at the front end of the second thin cylinder (505).

4. The auxiliary feeding device for a nut machine according to claim 1, characterized in that: The material receiving and feeding assembly (6) comprises a second mounting plate (601), a transmission guide rail (602), a servo motor (603), a movable seat (604), and a first drag chain (605); the second mounting plate (601) is connected to the lower end of the main fixed frame (1), the top of the second mounting plate (601) is provided with a transmission guide rail (602), the right end of the transmission guide rail (602) is provided with a servo motor (603), the top of the left end of the transmission guide rail (602) is movably connected to the movable seat (604), and the first drag chain (605) is connected between the front side of the movable seat (604) and the top of the front end of the second mounting plate (601).

5. The auxiliary feeding device for a nut machine according to claim 4, characterized in that: The material receiving and feeding assembly (6) comprises an anti-skid material support seat (606), a first double-guide rod cylinder (607), a first lifting rod (608), a first support block (609), a second double-guide rod cylinder (610), a second lifting rod (611), and a second support block (612); an anti-skid material support seat (606) is installed at the middle position of the top of the movable seat (604), and the top of the anti-skid material support seat (606) matches the shape of the bottom of the workpiece. ) is installed on the right side of the first double-guide-rod cylinder (607), the upper end of the first double-guide-rod cylinder (607) is connected to the first lifting rod (608), and the top of the first lifting rod (608) is installed with a first support block (609), and the left side of the anti-slip support seat (606) is provided with a second double-guide-rod cylinder (610), the upper end of the second double-guide-rod cylinder (610) is connected to the second lifting rod (611), and the top of the second lifting rod (611) is installed with a second support block (612).

6. The auxiliary feeding device for a nut machine according to claim 1, characterized in that: The clamping and feeding assembly (8) comprises a hanging plate (801), a pneumatic linear guide rail (802), a slide (803), and a second drag chain (804); a hanging plate (801) is hung at the upper end of the interior of the fixed frame (7), a pneumatic linear guide rail (802) is installed on the front side of the hanging plate (801), a slide (803) is movably connected in the middle of the pneumatic linear guide rail (802), and a second drag chain (804) is connected between the upper end of the slide (803) and the hanging plate (801) close to the left side of the fixed frame (7).

7. The auxiliary feeding device for a nut machine according to claim 6, characterized in that: The clamping and feeding assembly (8) comprises a lifting cylinder (805), a mounting frame (806), and a pneumatic clamp (807); the lifting cylinder (805) is installed at the front end of the slide (803), the lower end of the lifting cylinder (805) is connected to the mounting frame (806), and the pneumatic clamp (807) is installed at the bottom of the front end of the mounting frame (806).

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