Art knife feeding mechanism

Abstract

The utility model relates to the technical field of art knife feeding, in particular to an art knife feeding mechanism which comprises a machine frame, a discharging device arranged on the machine frame and a CKD motor rotating table arranged on the machine frame, a pneumatic clamping jaw is arranged on the machine frame and placed in a knife handle clamping base, and then a push block and a rear ejector block of an art knife are sequentially fed and installed. According to the art knife feeding mechanism, the precise feeding unit is arranged, a blade is flexibly conveyed to the position of the rack, it is ensured that the knife handle is rightly adjusted in place, the adjusted knife handle is stably placed on the knife handle clamping base through the pneumatic suction cup, the blade can also be flexibly placed, the blade feeding assembly detects the knife handle, and the knife handle is accurately and accurately placed. Therefore, direct intervention of workers in the feeding process is effectively avoided, the risk of safety accidents is remarkably reduced, the working efficiency of feeding and assembling is greatly improved due to the high automation level, then installation operation is directly carried out, and smoothness and high efficiency of the whole production process are guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of utility knife feeding technology, specifically a utility knife feeding mechanism. Background Technology

[0002] A utility knife, also known as a carving knife or wallpaper knife, is a common cutting tool. It mainly consists of four parts: a handle, a blade, a push block, and a backing block. The blade is generally beveled and can be broken along the lines on the blade to expose a new cutting edge for easy use. Utility knives are widely used in various occasions requiring fine cutting, such as cutting soft materials like paper, cloth, leather, and plastic.

[0003] However, before the utility knife is officially assembled, the loading of each component is crucial. This step requires placing each component on the conveyor line in an assembly line manner and ensuring that all components are arranged neatly. However, during manual loading, the workers have to directly contact the sharp blades, which undoubtedly increases the risk of injury. If the blades are not properly secured or the operation is slightly negligent, it may cause cuts, lacerations and other safety accidents, posing a serious threat to the safety of workers. In addition, manual loading also requires manual placement and positioning of each component one by one. This step is not only time-consuming and labor-intensive, but also leads to a significant decrease in production efficiency. Therefore, we propose a utility knife loading mechanism. Utility Model Content

[0004] One of the technical problems this application aims to solve is that traditional feeding is not very automated and requires workers to place the blocks. The push blocks and rear push blocks are mostly irregular in shape and difficult to place. In addition, the blades are relatively sharp, and it is quite dangerous to place them correctly. Therefore, workers are very careful when feeding, which leads to a decrease in work efficiency.

[0005] To address the aforementioned technical problems, this application provides a utility knife feeding mechanism, including a frame, a feeding device mounted on the frame, and a CKD motor rotary table mounted on the frame. The top of the CKD motor rotary table is provided with multiple knife handle clamps, and the mechanism further includes:

[0006] A pneumatic suction cup, wherein three pneumatic suction cups are mounted on the frame and are used to adsorb the knife handle;

[0007] A pneumatic gripper, which is mounted on the frame and is used to hold the blade;

[0008] The feeding unit is mounted on the frame and is used to automatically detect and grab the knife handle through the precise operation of the pneumatic suction cup, place it inside the knife handle holder, and use the pneumatic gripper to detect the blade. By rotating the feeding unit, the pneumatic gripper installs the blade onto the knife handle, and then sequentially feeds and installs the push block and the rear push block of the utility knife.

[0009] In some embodiments, the feeding unit includes a linear slide table mounted on a frame. A servo motor is mounted on the end face of the linear slide table, and a lifting slide table is mounted on the side of the linear slide table. The servo motor is used to drive the lifting slide table to slide on the side of the linear slide table. A servo motor is mounted on the top of the lifting slide table, and a triangular plate is mounted on the side of the lifting slide table. The servo motor is used to drive the triangular plate to slide on the side of the lifting slide table.

[0010] In some embodiments, the triangular plate has three side plates on its side, and the three pneumatic suction cups are sequentially arranged at the bottom of the side plates. The top of the frame has a support platform and a rotating frustum. The top of the support platform has two pneumatic side push plates and two pneumatic front push plates, all used to accurately place the tool holder. The top of the frame has a tool holder placement platform, and the side of the tool holder placement platform has a tool holder conveyor for conveying the tool holder.

[0011] In some embodiments, the tool holder conveyor includes a tool holder conveyor belt disposed on the side of the tool holder placement platform, a tool holder elevator disposed on the side of the tool holder conveyor belt, and a tool holder storage hopper disposed on the side of the tool holder elevator. The tool holder elevator lifts the tool holders in the tool holder storage hopper to the tool holder conveyor belt, and then the tool holder conveyor belt transports the tool holders to the tool holder placement platform. A blade feeding assembly for conveying blades is disposed on the frame.

[0012] In some embodiments, the blade feeding assembly includes a blade conveyor belt mounted on a frame, a support frame at the bottom of the blade conveyor belt, a servo motor for driving the blade conveyor belt to feed blades on the side of the blade conveyor belt, an electric slide table at the top of the support frame, and an electric lifting slide table on the side of the electric slide table, the electric slide table driving the electric lifting slide table to move laterally.

[0013] In some embodiments, an electric rotary table is provided on the side of the electric lifting slide, and a rotary motor is provided at the bottom of the electric rotary table. The rotary motor is used to drive the electric rotary table to rotate on the side of the electric lifting slide. A detection head is provided on the side of the electric slide for detecting the placement of blades on the blade conveyor belt. A pneumatic gripper is provided on the side of the electric rotary table and can install the gripped blade into the blade holder. A push block feeding assembly for feeding push blocks is provided on the frame.

[0014] In some embodiments, the pusher block feeding assembly includes a fixed platform mounted on a frame, a transverse sliding platform on top of the fixed platform, a servo motor four for driving the transverse sliding platform on the side of the transverse sliding platform, a lifting slide rail on the side of the transverse sliding platform, a servo motor five on top of the lifting slide rail, a robot arm on the side of the lifting slide rail, the servo motor five for driving the robot arm to move up and down on the side of the lifting slide rail, and a pusher block vibrating plate on top of the frame, the pusher block vibrating plate conveying the pusher block to the robot arm through vibration.

[0015] In some embodiments, the top of the frame is provided with a worktable for placing push blocks, the top of the worktable is provided with a positioning fixture, and the top of the worktable is provided with a positioning push cylinder. The positioning push cylinder can accurately place the push block placed by the robot arm on the worktable, and then install the push block on the tool holder by the pushing force of the robot arm. The frame is provided with a rear top block feeding assembly for feeding rear top blocks.

[0016] In some embodiments, the rear top block feeding assembly includes a connecting frame mounted on a frame. A parallel electric slide rail is mounted on the top of the connecting frame. An electric lifting platform is mounted on the side of the parallel electric slide rail. A rotary motor is mounted on the side of the electric lifting platform. A pneumatic clamping plate is mounted on the side of the rotary motor. A pneumatic positioning rod is mounted on the top of the connecting frame. A rear top block placement platform is mounted on the top of the connecting frame. A detection device is mounted on the bottom of the rear top block placement platform. A rear top block vibrating plate is mounted on the top of the frame. The rear top block vibrating plate conveys the rear top block to the pneumatic clamping plate through vibration.

[0017] The rear top block is transmitted to a designated position by the rear top block vibrating plate, and the rear top block is placed on the connecting frame by the pneumatic clamp. The pneumatic positioning rod is used to push the rear top block into the pneumatic clamp. At this time, the pneumatic clamp is parallel to the electric slide rail table, pushing the rear top block into the tool holder.

[0018] In some embodiments, a protective cover is provided on the top of the rack.

[0019] This utility model has at least the following beneficial effects:

[0020] 1. By setting up a precise feeding unit, the blades are flexibly transported to the frame position. At this time, the detection mechanism integrated in the feeding unit will accurately detect the placement position of the blade holder. Then, through a fine rotation and positioning process, it is ensured that the blade holder is properly adjusted and positioned. The pneumatic suction cup will securely place the adjusted blade holder on the blade holder holder. The blade can also be flexibly placed. The blade feeding component will then detect it. After detection, the pneumatic gripper with three-axis motion will precisely rotate the blade and accurately place it inside the blade holder. This effectively avoids direct human intervention in the feeding process, significantly reducing the risk of safety accidents. At the same time, the high level of automation also greatly improves the efficiency of feeding and assembly.

[0021] 2. The installation of push-block feeding components and rear-top block feeding components effectively avoids the tedious steps of workers manually placing utility knife parts for feeding and assembly. These two components work together to accurately and neatly place various parts in place through the feeding unit, and then directly carry out the installation work. This greatly improves the efficiency of the feeding work and ensures the smoothness and efficiency of the entire production process. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the top structure of the entire utility model;

[0023] Figure 2 This is a schematic diagram of the front structure of the feeding unit of this utility model;

[0024] Figure 3 This is a schematic diagram of the top structure of the feeding unit in this practical application;

[0025] Figure 4 This is a front structural diagram of the blade feeding assembly of this utility model;

[0026] Figure 5 This is a schematic diagram of the top structure of the blade feeding assembly of this utility model;

[0027] Figure 6 This is a side view of the blade feeding assembly of this utility model.

[0028] Figure 7 This is a schematic diagram of the top structure of the pusher feeding assembly of this utility model;

[0029] Figure 8 This is a front structural diagram of the pusher feeding assembly of this utility model;

[0030] Figure 9 This is a side view of the pusher feeding assembly of this utility model.

[0031] Figure 10 This is a schematic diagram of the top structure of the rear top block feeding assembly of this utility model;

[0032] Figure 11 This is a schematic diagram of the front structure of the rear top block feeding assembly of this utility model.

[0033] In the diagram: 1. Frame; 2. Unloading device; 3. Tool holder clamp; 4. Loading unit; 41. Tool holder placement platform; 42. Tool holder conveyor; 421. Tool holder storage hopper; 422. Tool holder elevator; 423. Tool holder conveyor belt; 43. Lifting sliding table; 44. Linear slide table; 45. Triangular plate; 46. Side plate; 47. Rotary frustum; 48. Support platform; 49. Pneumatic front push plate; 410. Pneumatic side push plate; 411. Servo motor one; 412. Servo motor two; 5. Blade loading assembly; 51. Support frame; 52. Blade conveyor belt; 53. Servo motor three; 54. Rotary motor; 55. Electric slide table; 56. Electric lifting slide table; 57. Electric rotary table; 58. Detection head; 6. Push block feeding assembly; 61. Push block vibratory plate; 62. Worktable; 63. Positioning push cylinder; 64. Fixed table; 65. Servo motor four; 66. Servo motor five; 67. Positioning fixture; 68. Lateral sliding table; 69. Lifting slide rail table; 7. Rear top block feeding assembly; 71. Rear top block vibratory plate; 72. Connecting frame; 73. Detection device; 74. Pneumatic positioning rod; 75. Rear top block placement table; 76. Parallel electric slide rail table; 77. Rotary motor; 78. Electric lifting table; 8. CKD motor rotary table; 9. Pneumatic suction cup; 10. Pneumatic gripper; 11. Robot arm; 12. Pneumatic clamp. Detailed Implementation

[0034] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0035] Example 1: Please refer to Figure 1-11 This utility model provides a technical solution: a utility knife feeding mechanism, including a frame 1, a feeding device 2 mounted on the frame 1, and a CKD motor rotary table 8 mounted on the frame 1. The top of the CKD motor rotary table 8 is provided with multiple knife handle clamping seats 3, which are circumferentially distributed on the CKD motor rotary table. The mechanism also includes:

[0036] Pneumatic suction cup 9, three of which are mounted on the frame 1, are used to suction the tool handle;

[0037] Pneumatic gripper 10 is mounted on frame 1 and is used to grip the blade.

[0038] The feeding unit 4 is set on the frame 1. It is used to automatically detect and grab the knife handle through the precise operation of the pneumatic suction cup 9, place it inside the knife handle clamping seat 3, and use the pneumatic gripper 10 to detect the blade. By rotating the feeding unit 4, the pneumatic gripper 10 installs the blade onto the knife handle, and then sequentially feeds and installs the push block and the rear top block of the utility knife.

[0039] The feeding unit 4 includes a linear slide 44 mounted on the frame 1. A servo motor 411 is mounted on the end face of the linear slide 44, and a lifting slide 43 is mounted on the side of the linear slide 44. The servo motor 411 drives the lifting slide 43 to slide on the side of the linear slide 44. A servo motor 412 is mounted on the top of the lifting slide 43, and a triangular plate 45 is mounted on the side of the lifting slide 43. The servo motor 412 drives the triangular plate 45 to slide on the side of the lifting slide 43. The servo motor 411 can drive the lifting slide 43 to move laterally through the linear slider, while the servo motor 412 can drive the lifting slide 43 to move, so that the triangular plate 45 moves up and down. Both of them use high-precision lead screws.

[0040] The triangular plate 45 has three side plates 46 on its side, and three pneumatic suction cups 9 are arranged sequentially at the bottom of the side plates 46. A support platform 48 is provided on the top of the frame 1, along with a rotating frustum 47. Two pneumatic side push plates 410 are provided on the top of the support platform 48, and two pneumatic front push plates 49 are also provided on the top of the support platform 48, all used for precisely placing the tool holders. A tool holder placement platform 41 is provided on the top of the frame 1, and a tool holder conveyor 42 for conveying the tool holders is provided on the side of the tool holder placement platform 41. The bottom side of the triangular plate 45... Three pneumatic suction cups 9 can adsorb the tool handle. The pneumatic suction cup 9 close to the tool handle conveyor 42 will move the tool handle from the tool handle placement platform 41 to the rotating platform 47. The pneumatic suction cup 9 in the middle part can move the tool handle from the rotating platform 47 to the support platform 48 after the rotating platform 47 has been rotated. Under the action of the pneumatic side push plate 410 and the pneumatic front push plate 49, the tool handle is positioned properly. At this time, the last pneumatic suction cup 9 will adsorb it into the tool handle holder 3. All three move at the same time, improving work efficiency.

[0041] The tool holder conveyor 42 includes a tool holder conveyor belt 423 disposed on the side of the tool holder placement platform 41. A tool holder elevator 422 is disposed on the side of the tool holder conveyor belt 423, and a tool holder storage hopper 421 is disposed on the side of the tool holder elevator 422. The tool holder elevator 422 lifts the tool holder in the tool holder storage hopper 421 to the tool holder conveyor belt 423, and then the tool holder conveyor belt 423 transports the tool holder to the tool holder placement platform 41. The frame 1 is provided with a blade feeding assembly 5 for conveying blades, which can directly pour the tool holder into the tool holder storage hopper 421. At this time, the tool holder elevator 422 will lift the tool holder onto the tool holder conveyor belt 423, and the tool holder will be transferred to the tool holder placement platform 41 by the tool holder conveyor belt 423.

[0042] The blade feeding assembly 5 includes a blade conveyor belt 52 mounted on the frame 1. A support frame 51 is mounted at the bottom of the blade conveyor belt 52. A servo motor 53 for driving the blade conveyor belt 52 to feed blades is mounted on the side of the blade conveyor belt 52. An electric slide 55 is mounted on the top of the support frame 51. An electric lifting slide 56 is mounted on the side of the electric slide 55. The electric slide 55 drives the electric lifting slide 56 to move laterally, which can provide a three-axis uniform direction for the pneumatic gripper 10.

[0043] An electric rotary table 57 is provided on the side of the electric lifting slide 56. A rotary motor 54 is provided at the bottom of the electric rotary table 57. The rotary motor 54 is used to drive the electric rotary table 57 to rotate on the side of the electric lifting slide 56. A detection head 58 is provided on the side of the electric slide 55. The detection head 58 is used to detect the placement of the blades on the blade conveyor belt 52. A pneumatic gripper 10 is provided on the side of the electric rotary table 57. The pneumatic gripper 10 can install the gripped blade into the blade holder. A pusher loading assembly 6 is provided on the frame 1 for feeding the pusher block. The electric rotary table 57 can drive the pneumatic gripper 10 to rotate, so that the blade is installed into the blade holder in the correct posture.

[0044] The pusher block feeding assembly 6 includes a fixed platform 64 mounted on the frame 1. A transverse sliding platform 68 is mounted on the top of the fixed platform 64. A servo motor 65 for driving the transverse sliding platform 68 is mounted on the side of the transverse sliding platform 68. A lifting slide rail 69 is mounted on the side of the transverse sliding platform 68. A servo motor 66 is mounted on the top of the lifting slide rail 69. A robot arm 11 is mounted on the side of the lifting slide rail 69. The servo motor 66 drives the robot arm 11 to move up and down on the side of the lifting slide rail 69. A pusher block vibrating plate 61 is mounted on the top of the frame 1. The pusher block vibrating plate 61 conveys the pusher block to the robot arm 11 through vibration. The vibrating plate in the pusher block vibrating plate 61 is existing technology, only replacing other materials with pusher blocks used by artists.

[0045] The top of the frame 1 is provided with a worktable 62 for placing push blocks. The top of the worktable 62 is provided with a positioning fixture 67 and a positioning push cylinder 63. The positioning push cylinder 63 can accurately place the push block placed by the robot arm 11 on the worktable 62. Then, the push block is installed on the tool holder by the pushing force of the robot arm 11. The frame 1 is provided with a rear top block loading assembly 7 for loading the rear top block. By placing the push block into the positioning fixture 67, the push block is correctly positioned by the action of the positioning push cylinder 63. At this time, the push block can be installed on the tool holder by the pushing force of the robot arm 11.

[0046] The rear top block feeding assembly 7 includes a connecting frame 72 mounted on the frame 1. A parallel electric slide rail table 76 is mounted on the top of the connecting frame 72. An electric lifting platform 78 is mounted on the side of the parallel electric slide rail table 76. A rotary motor 77 is mounted on the side of the electric lifting platform 78. A pneumatic clamping plate 12 is mounted on the side of the rotary motor 77. A pneumatic positioning rod 74 is mounted on the top of the connecting frame 72. A rear top block placement platform 75 is mounted on the top of the connecting frame 72. A detection device 73 is mounted on the bottom of the rear top block placement platform 75. A rear top block vibrating plate 71 is mounted on the top of the frame 1. The rear top block vibrating plate 71 conveys the rear top block to the pneumatic clamping plate 12 through vibration. The detection device 73 detects that the tool holder to be installed has arrived. At this time, the pneumatic clamping plate 12 can install the rear top block on the rear top block. Before this, the rear top block is neatly arranged by the pneumatic positioning rod 74. Installation can be completed by the action of the pneumatic clamping plate 12.

[0047] The rear top block is transmitted to the designated position by the rear top block vibrating plate 71, and the rear top block is placed on the connecting frame 72 by the pneumatic clamp 12. The pneumatic positioning rod 74 is used to push the rear top block into the pneumatic clamp 12. At this time, the pneumatic clamp 12 is parallel to the electric slide rail table 76, pushing the rear top block into the tool holder.

[0048] When using this device, first place the corresponding components into the push block vibrating plate 61, the rear top block vibrating plate 71, and the tool holder storage hopper 421. The blade needs to be placed on top of the blade conveyor belt 52. At this time, the tool holder elevator 422 will transport the tool holder in the tool holder storage hopper 421 to the top of the tool holder conveyor belt 423. The tool holder conveyor belt 423 will transfer the tool holder to the tool holder placement table 41. At this time, the linear slide table 44 will drive the lifting slide table 43 to move, and the lifting slide table 43 will drive the triangular plate 45 to move. The triangular plate 45 will move the pneumatic suction cup 9 close to the tool holder placement table 41 to the top of the tool holder placement table 41, and move the tool holder to the top of the rotating table 47. The rotating table 47 will be inspected and rotated to the appropriate position. At this time, the pneumatic suction cup 9 in the middle part of the side plate 46 will lift the tool holder from the top of the rotating table 47. The handle moves to the top of the support platform 48. The tool handle on the top of the support platform 48 will be aligned by the pneumatic side push plate 410 and the pneumatic front push plate 49. The pneumatic suction cup 9 that is close to the tool handle holder 3 moves the tool handle on the top of the support platform 48 into the tool handle holder 3. After completion, the CKD motor rotary table 8 will drive the tool handle holder 3 to rotate. When it rotates to the blade, the blade will be transported to the electric slide table 55 by the blade conveyor belt 52. The detection head 58 detects the presence of the blade and detects the placement of the blade. The electric slide table 55 drives the electric lifting slide table 56 to move. The electric lifting slide table 56 will drive the electric rotary table 57 to rise and fall. After reaching the appropriate position, the electric rotary table 57 will drive the pneumatic gripper 10 to rotate and clamp the blade, installing the blade into the tool handle.

[0049] Then, the tool holder 3, driven by the CKD motor rotary table 8, moves to the robot arm 11. The pusher blocks are then transported to the top of the worktable 62 by the pusher block vibrating plate 61. At this point, the positioning push cylinder 63 squeezes the positioning fixture 67, arranging the pusher blocks inside neatly. Finally, the transverse sliding table 68 drives the lifting slide table 69 to move, which in turn drives the robot arm 11, positioned on the side, to slide. The robot arm 11 then installs the pusher blocks from the positioning fixture 67 onto the tool holder, simultaneously moving the tool holder 3 to the detection device 73. When the detection device 73 detects the knife handle, it moves the rear top block to the rear top block placement platform 75 via the rear top block vibrating plate 71. The rear top block placement platform 75 is aligned by the pneumatic positioning rod 74. The pneumatic clamp 12 slides under the action of the parallel electric slide rail 76 and is raised and lowered by the electric lifting platform 78. The pneumatic clamp 12 is rotated under the action of the rotary motor 77 to transport the rear top block to the appropriate position. Finally, it is installed on the knife handle to complete the process. Finally, the assembled utility knife is removed by the unloading device 2.

[0050] Example 2: Example 2 has the same main structure as Example 1, except that Example 2 has a protective cover on the top of the frame 1. The protective cover can effectively protect the personnel observing from the outside.

[0051] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0052] Although embodiments of the present utility have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present utility.

Claims

1. A utility knife feeding mechanism, comprising a frame (1), a feeding device (2) disposed on the frame (1), and a CKD motor rotary table (8) disposed on the frame (1), wherein the top of the CKD motor rotary table (8) is provided with a plurality of knife handle clamping seats (3), characterized in that: It also includes: Pneumatic suction cup (9), three of which are provided on the frame (1) to adsorb the knife handle; A pneumatic gripper (10) is mounted on a frame (1) and is used to hold a blade. The feeding unit (4) is set on the frame (1) and is used to automatically detect and grab the knife handle by the precise operation of the pneumatic suction cup (9), place it inside the knife handle holder (3), and use the pneumatic gripper (10) to detect the blade. By rotating the feeding unit (4), the pneumatic gripper (10) installs the blade onto the knife handle, and then sequentially feeds and installs the push block and the back top block of the utility knife.

2. The utility knife feeding mechanism according to claim 1, characterized in that: The feeding unit (4) includes a linear slide (44) mounted on the frame (1). A servo motor (411) is mounted on the end face of the linear slide (44). A lifting slide (43) is mounted on the side of the linear slide (44). The servo motor (411) is used to drive the lifting slide (43) to slide on the side of the linear slide (44). A servo motor (412) is mounted on the top of the lifting slide (43). A triangular plate (45) is mounted on the side of the lifting slide (43). The servo motor (412) is used to drive the triangular plate (45) to slide on the side of the lifting slide (43).

3. The utility knife feeding mechanism according to claim 2, characterized in that: The triangular plate (45) has three side plates (46) on its side. The three pneumatic suction cups (9) are arranged at the bottom of the side plates (46) in sequence. The frame (1) has a support platform (48) on its top. The frame (1) has a rotating frustum (47) on its top. The support platform (48) has two pneumatic side push plates (410) on its top. The support platform (48) has two pneumatic front push plates (49) on its top, all of which are used to accurately place the tool holder. The frame (1) has a tool holder placement platform (41) on its top. The tool holder placement platform (41) has a tool holder conveyor (42) on its side for conveying the tool holder.

4. The utility knife feeding mechanism according to claim 3, characterized in that: The tool holder conveyor (42) includes a tool holder conveyor belt (423) disposed on the side of the tool holder placement platform (41). A tool holder elevator (422) is disposed on the side of the tool holder conveyor belt (423). A tool holder storage hopper (421) is disposed on the side of the tool holder elevator (422). The tool holder elevator (422) lifts the tool holder in the tool holder storage hopper (421) to the tool holder conveyor belt (423), and then the tool holder conveyor belt (423) conveys the tool holder to the tool holder placement platform (41). A blade feeding assembly (5) for conveying blades is disposed on the frame (1).

5. The utility knife feeding mechanism according to claim 4, characterized in that: The blade feeding assembly (5) includes a blade conveyor belt (52) mounted on a frame (1). A support frame (51) is mounted at the bottom of the blade conveyor belt (52). A servo motor (53) for driving the blade conveyor belt (52) to feed blades is mounted on the side of the blade conveyor belt (52). An electric slide (55) is mounted on the top of the support frame (51). An electric lifting slide (56) is mounted on the side of the electric slide (55). The electric slide (55) drives the electric lifting slide (56) to move laterally.

6. The utility knife feeding mechanism according to claim 5, characterized in that: An electric rotary table (57) is provided on the side of the electric lifting slide (56), and a rotary motor (54) is provided at the bottom of the electric rotary table (57). The rotary motor (54) is used to drive the electric rotary table (57) to rotate on the side of the electric lifting slide (56). A detection head (58) is provided on the side of the electric slide (55). The detection head (58) is used to detect the placement of the blades on the blade conveyor belt (52). A pneumatic gripper (10) is provided on the side of the electric rotary table (57). The pneumatic gripper (10) can install the gripped blade into the blade holder. A pusher loading assembly (6) for loading pusher blocks is provided on the frame (1).

7. The utility knife feeding mechanism according to claim 6, characterized in that: The pusher loading assembly (6) includes a fixed platform (64) mounted on the frame (1). A transverse sliding platform (68) is mounted on the top of the fixed platform (64). A servo motor (65) for driving the transverse sliding platform (68) is mounted on the side of the transverse sliding platform (68). A lifting slide rail (69) is mounted on the side of the transverse sliding platform (68). A servo motor (66) is mounted on the top of the lifting slide rail (69). A robot arm (11) is mounted on the side of the lifting slide rail (69). The servo motor (66) is used to drive the robot arm (11) to move up and down on the side of the lifting slide rail (69). A pusher vibrating plate (61) is mounted on the top of the frame (1). The pusher vibrating plate (61) conveys the pusher to the robot arm (11) by vibration.

8. The utility knife feeding mechanism according to claim 7, characterized in that: The top of the frame (1) is provided with a worktable (62) for placing push blocks. The top of the worktable (62) is provided with a positioning fixture (67). The top of the worktable (62) is provided with a positioning push cylinder (63). The positioning push cylinder (63) can accurately place the push block placed by the robot (11) on the worktable (62), and then install the push block on the tool holder by the pushing force of the robot (11). The frame (1) is provided with a rear top block feeding assembly (7) for feeding the rear top block.

9. The utility knife feeding mechanism according to claim 8, characterized in that: The rear top block feeding assembly (7) includes a connecting frame (72) set on the frame (1). A parallel electric slide rail table (76) is set on the top of the connecting frame (72). An electric lifting table (78) is set on the side of the parallel electric slide rail table (76). A rotary motor (77) is set on the side of the electric lifting table (78). A pneumatic clamp (12) is set on the side of the rotary motor (77). A pneumatic positioning rod (74) is set on the top of the connecting frame (72). A rear top block placement table (75) is set on the top of the connecting frame (72). A detection device (73) is set on the bottom of the rear top block placement table (75). A rear top block vibrating plate (71) is set on the top of the frame (1). The rear top block vibrating plate (71) conveys the rear top block to the pneumatic clamp (12) by vibration. The rear top block is transmitted to the designated position by the rear top block vibrating plate (71), and the rear top block is placed on the connecting frame (72) by the pneumatic clamp (12). The pneumatic positioning rod (74) is used to push the rear top block into the pneumatic clamp (12). At this time, the pneumatic clamp (12) is parallel to the electric slide rail table (76) and pushes the rear top block into the tool holder.

10. The utility knife feeding mechanism according to claim 1, characterized in that: The top of the frame (1) is provided with a protective cover.

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