CN216634618U

CN216634618U - Automatic feeding mechanism of three-side book trimming machine

Info

Publication number: CN216634618U
Application number: CN202122911459.5U
Authority: CN
Inventors: 刘玉智
Original assignee: Dongguan Yesi Machinery Equipment Co ltd
Current assignee: Dongguan Yesi Machinery Equipment Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-31
Anticipated expiration: 2031-11-24

Abstract

The utility model belongs to the technical field of book trimming machines, and particularly relates to an automatic feeding mechanism of a three-side book trimming machine, which comprises a clamping assembly, an adjusting assembly and a conveying assembly; the clamping assembly is used for clamping a book; the adjusting component is in linkage connection with the clamping component so as to enable the clamping component to move; the conveying assembly is in linkage connection with the adjusting assembly so as to enable the conveying assembly to move; wherein, the removal end of adjusting part and the removal end of conveying component all move along fore-and-aft direction. So, through setting up conveying assembly, avoid the staff to be close trilateral trimmer's cutting mechanism, when guaranteeing personal safety, reduce labour's waste.

Description

Automatic feeding mechanism of three-side book trimming machine

Technical Field

The utility model belongs to the technical field of book trimmers, and particularly relates to an automatic feeding mechanism of a three-side book trimmer.

Background

A three-side book trimming machine, also called a three-side knife, is a device for trimming three sides of a book according to the specified size of the book. The three-side book trimming machine in the linkage line can automatically finish the whole process from book feeding, book clamping and book feeding on three sides to book discharging, and the cutting speed exceeds 50-100 times/min. However, in the prior art, books or books stacked up are mostly conveyed to a cutting mechanism in a manual pushing or carrying manner, so that not only is a large amount of labor consumed, but also potential safety hazards exist, and the development of enterprises is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic feeding mechanism of a three-side book trimmer, and aims to solve the technical problem that books need to be conveyed manually by the three-side book trimmer in the prior art.

In order to achieve the above object, an automatic feeding mechanism of a three-side book trimming machine provided by the embodiment of the utility model comprises a clamping assembly, an adjusting assembly and a conveying assembly; the clamping assembly is used for clamping a book; the adjusting assembly is in linkage connection with the clamping assembly so as to enable the clamping assembly to move; the conveying assembly is in linkage connection with the adjusting assembly so as to enable the conveying assembly to move; the moving end of the adjusting assembly and the moving end of the conveying assembly move along the front-back direction.

Optionally, the adjustment assembly comprises a first drive source and a first moving unit; the clamping assembly is arranged on the moving end of the first moving unit; the first driving source is in linkage connection with the first moving unit; the fixed end of the first driving source is fixedly connected with the movable end of the conveying assembly.

Optionally, the first moving unit comprises a ball screw and a nut seat; the nut seat is sleeved on the ball screw and is rotatably connected with the ball screw; the clamping assembly is arranged on the nut seat; the first driving source is in linkage connection with the ball screw.

Optionally, the adjustment assembly further comprises a first transmission unit; the first driving source is in linkage connection with the input end of the first transmission unit, and the output end of the first transmission unit is in linkage connection with the first moving unit so that the moving end of the first moving unit moves.

Optionally, the first transmission unit comprises a drive sprocket, a driven sprocket and a chain; the first driving source is in linkage connection with the driving chain wheel; the driven chain wheel is in linkage connection with the first transmission unit; the head end and the tail end of the chain are respectively sleeved on the driving chain wheel and the driven chain wheel, and the driving chain wheel is in linkage connection with the driven chain wheel through the chain.

Optionally, further comprising at least one guide; the guide member extends in a front-rear direction; the clamping assembly is slidably connected with the guide member, and the moving end of the conveying assembly is slidably connected with the guide member.

Optionally, the conveying assembly comprises a second driving source, a swinging unit and a reversing unit for changing the moving direction; the second driving source is in linkage connection with the input end of the swing unit; the output end of the swinging unit is in linkage connection with the reversing unit; the reversing unit is provided with a moving end which moves along the front-back direction and is matched with the guide piece in a sliding mode, and the adjusting assembly is arranged on the moving end of the reversing unit.

Optionally, the rocking unit comprises a cam, a first shaft and a rocking lever; the second driving source is in linkage connection with the first rotating shaft; the cam is sleeved on the first rotating shaft; the cam is in linkage connection with the swinging rod so as to enable the swinging rod to swing; the lower end of the swinging rod is in linkage connection with the reversing unit; the upper end of the swinging rod is rotatably connected with other foreign objects.

Optionally, the reversing unit comprises a driven lever, a main part, a first slide carriage and a connecting rod; the first sliding seat is connected with the guide piece in a sliding mode; the main part is arranged at the upper end of the driven rod; the main part is in sliding fit or rolling fit with the first sliding seat; the lower end of the driven rod is rotatably connected with other foreign objects; the front end of the connecting rod is in linkage connection with the output end of the swinging unit, and the rear end of the connecting rod is hinged with the driven rod; the adjusting component is arranged on the first sliding seat.

Optionally, the clamping assembly comprises a second carriage, a positioning unit and a clamping unit; the adjusting assembly is in linkage connection with the second sliding seat; the positioning unit is fixedly arranged on the second sliding seat; the clamping unit is arranged on the second sliding seat to clamp the book.

One or more technical schemes in the automatic feeding mechanism of the three-side book trimming machine provided by the embodiment of the utility model at least have one of the following technical effects: before the use, the removal end of adjusting part removes to drive clamping component along fore-and-aft direction removal to suitable position. In use, a book is moved to the clamping assembly, which then clamps the book. Then, the moving end of the conveying component moves along the front-back direction, so as to drive the adjusting component; the clamping assembly and the book are moved to a cutting mechanism of the three-side trimmer. So, through setting up conveying assembly, avoid the staff to be close trilateral trimmer's cutting mechanism, when guaranteeing personal safety, reduce labour's waste. In addition, through setting up adjusting part for clamping mechanism is adjustable in the ascending position in front and back, so, under the condition that does not change the working parameter that the subassembly was sent in the transportation, carries the books of different widths, has improved the practicality greatly.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an automatic feeding mechanism of a three-side trimmer according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an adjusting assembly according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a conveying assembly according to an embodiment of the present invention.

Fig. 4 is an enlarged view of a in fig. 3.

Fig. 5 is a schematic structural diagram of a clamping assembly according to an embodiment of the present invention.

Fig. 6 is a cross-sectional view of a clamping assembly provided by an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-adjustment assembly 20-transport assembly 30-clamping assembly

40-guide 11-first drive source 12-ball screw

13-nut seat 14-driving chain wheel 15-driven chain wheel

16-chain 17-first mounting seat 21-swinging unit

22-reversing unit 211-cam 212-first shaft

213-rocking lever 221-driven lever 222-master

223-first slide 224-connecting rod 31-second slide

32-positioning mounting base 33-positioning plate 34-clamping cylinder

35-clamping block 36-upper jacking cylinder 37-upper jacking block.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1, there is provided an automatic feeding mechanism of a three-side trimmer, comprising a clamping assembly 30, an adjusting assembly 10 and a conveying assembly 20; the clamping assembly 30 is used for clamping a book; the adjusting assembly 10 is in linkage connection with the clamping assembly 30 so as to move the clamping assembly; the conveying assembly 20 is linked with the adjusting assembly 10 to move the same; wherein the moving end of the adjusting assembly 10 and the moving end of the conveying assembly 20 both move in the front-back direction.

Specifically, prior to use, the movable end of the adjustment assembly 10 is moved, thereby bringing the clamping assembly 30 to the proper position in the fore-and-aft direction. In use, a book is moved to the clamping assembly 30, and then the clamping assembly 30 clamps the book. Then, the moving end of the conveying component 20 moves along the front-back direction, so as to drive the adjusting component 10; the clamping assembly 30 and the book are moved to the cutting mechanism of the three side trimmer. So, through setting up conveying component 20, avoid the staff to be close trilateral trimmer's cutting mechanism, when guaranteeing personal safety, reduce labour's waste. In addition, through setting up adjusting part 10 for clamping mechanism is adjustable in the position in front and back direction, so, under the condition that does not change the working parameter that subassembly 20 was sent in the transportation, carries the books of different widths, has improved the practicality greatly.

In another embodiment of the present invention, as shown in fig. 1 to 2, the adjusting assembly 10 includes a first driving source 11 and a first moving unit; the clamping assembly 30 is mounted on the moving end of the first moving unit; the first driving source 11 is linked with the first moving unit; the fixed end of the first driving source 11 is fixedly connected with the movable end of the conveying assembly 20.

Specifically, before use, the first driving source 11 drives the input end of the first moving unit, so that the output end of the first moving unit moves, and further drives the clamping assembly 30 to move in the front-back direction, and finally the clamping assembly 30 is located at a suitable position to clamp the book to be processed. In use, the moving end of the conveying assembly 20 drives the first driving source 11, so as to drive the first moving unit and the clamping assembly 30 to move and gradually approach the cutting mechanism of the three-side book trimming machine.

In another embodiment of the present invention, as shown in fig. 1 to 2, the first moving unit includes a ball screw 12 and a nut seat 13; the nut seat 13 is sleeved on the ball screw 12 and is rotatably connected with the ball screw 12; the clamping assembly 30 is arranged on the nut seat 13; the first driving source 11 is linked with the ball screw 12.

Specifically, the first driving source 11 drives the ball screw 12 to rotate, thereby driving the nut seat 13 thereon to move in the front-rear direction, and further driving the clamping assembly 30 to move in the front-rear direction. The ball screw 12, the nut seat 13 and the connection method thereof are all prior art and are common in the market, so they are not described herein again. The ball screw 12 and the nut seat 13 are adopted to realize the movement of the clamping assembly 30, which is beneficial to improving the movement precision of the clamping assembly 30, thereby improving the positioning precision of books and further improving the cutting quality.

In another embodiment of the present invention, as shown in FIGS. 1-2, the adjustment assembly 10 further includes a first transmission unit; the first driving source 11 is linked to an input end of the first transmission unit, and an output end of the first transmission unit is linked to the first moving unit, so that the moving end thereof moves.

Further, the first transmission unit includes a driving sprocket 14, a driven sprocket 15, and a chain 16; the first driving source 11 is linked with the driving sprocket 14; the driven chain wheel 15 is in linkage connection with the first transmission unit; the head end and the tail end of the chain 16 are respectively sleeved on the driving chain wheel 14 and the driven chain wheel 15, and the driving chain wheel 14 is in linkage connection with the driven chain wheel 15 through the chain 16.

Specifically, in the present embodiment, the first drive source 11 employs a drive motor. The driving motor is installed on the moving end of the conveying assembly 20 through the first installation seat 17, the ball screw 12 is rotatably connected with the first installation seat 17 through a rotating bearing, the driving chain wheel 14 is sleeved on the output shaft of the driving motor, and the driven chain wheel 15 is sleeved on the smooth end of the ball screw 12. In use, the driving motor drives the driving sprocket 14 to rotate, and under the action of the chain 16, the driven sprocket 15 rotates to drive the ball screw 12 to rotate, so that the nut seat 13 and the clamping assembly 30 move in the front-back direction. The driving sprocket 14, the driven sprocket 15 and the chain 16 together form a chain transmission structure which can ensure an accurate average transmission ratio and has high transmission efficiency.

Furthermore, the first mounting seat 17 is further screwed with a clamping slide rail, the clamping slide rail extends along the front-back direction, and correspondingly, the clamping assembly 30 is screwed with a clamping slide block, and the clamping slide block is slidably connected with the clamping slide rail. When the clamping device is used, the nut seat 13 drives the clamping assembly 30 to move, so that the clamping slide block on the clamping assembly 30 is driven to move on the clamping slide rail along the extending direction, namely the front-back direction, and thus the movement precision of the clamping assembly 30 is greatly improved.

In another embodiment of the present invention, as shown in fig. 1, at least one guide member 40 is further included; the guide 40 extends in the front-rear direction; the clamping assembly 30 is slidably connected to the guide member 40, and the movable end of the delivery assembly 20 is slidably connected to the guide member 40.

Specifically, in the present embodiment, the automatic feeding mechanism of the three-side trimmer of the present invention is assembled on the body of the trimmer. The guide members 40 are provided in two sets, and are cylindrical, and the two sets of guide members 40 are respectively located at the moving end of the conveying assembly 20 and the left and right ends of the clamping assembly 30. By providing the guide member 40, the moving end of the conveying assembly 20 and the moving precision of the clamping assembly 30 are improved, and the cutting quality is improved. The two sets of guiding members 40 are provided to make the movement of the moving end of the conveying assembly 20 and the movement of the clamping assembly 30 more smooth and smooth.

In another embodiment of the present invention, as shown in fig. 3 to 4, the conveying assembly 20 includes a second driving source, a swing unit 21, and a reversing unit 22 for changing a moving direction; the second driving source is linked with the input end of the swing unit 21; the output end of the swinging unit 21 is in linkage connection with the reversing unit 22; the reversing unit 22 has a moving end moving in the front-back direction and slidably fitting the guide member 40, and the adjusting assembly 10 is mounted on the moving end of the reversing unit 22.

Specifically, the first mounting seat 17 is screwed on the moving end of the reversing unit 22. In the present embodiment, the reversing unit 22 is used to change the reciprocating swing motion into the reciprocating linear motion. In use, the second drive source drives the rocking unit 21 to rock it back and forth. The reversing unit 22 is operated by the swing unit 21, and at this time, the moving end of the reversing unit 22, i.e., the output end thereof, linearly reciprocates in the front-rear direction, thereby linearly reciprocating the adjusting assembly 10 and the clamping assembly 30 in the front-rear direction.

In another embodiment of the present invention, as shown in fig. 3 to 4, the swing unit 21 includes a cam 211, a first rotating shaft 212, and a swing lever 213; the second driving source is linked with the first rotating shaft 212; the cam 211 is sleeved on the first rotating shaft 212; the cam 211 is linked with the swing lever 213 to swing it; the lower end of the swinging rod 213 is linked with the reversing unit 22; the upper end of the swing lever 213 is rotatably connected to other foreign objects.

Specifically, in the present embodiment, the second drive source also employs a drive motor. The upper end of the swing lever 213 is rotatably connected to the body of the trimmer by a rotating shaft, and the surface of the cam 211 adjacent to the swing lever 213 is provided with a cam 211 groove. The swing bearing is mounted at the middle of the swing lever 213, is arranged outside the swing lever 213, is positioned between the swing lever 213 and the cam 211, and is in rolling fit with the cam 211 groove on the cam 211. The second driving source is linked with the cam 211 through a rotating shaft of the cam 211, and the rotating shaft of the cam 211 is eccentrically arranged with the cam 211. When the reversing unit 22 is driven by the swing bearing, the cam 211 is driven by the second driving source to rotate, so that the cam 211 is driven to rotate, and at the moment, the swing bearing rolls in the groove of the cam 211, so that the swing rod swings, and the reversing unit 22 is driven.

In another embodiment of the present invention, as shown in fig. 3 to 4, the reversing unit 22 includes a driven lever 221, a main member 222, a first slide carriage 223, and a connecting rod 224; said first carriage 223 is slidably connected with said guide 40; the main part 222 is disposed at the upper end of the driven rod 221; the main part 222 is in sliding fit or rolling fit with the first slide 223; the lower end of the driven rod 221 is rotatably connected with other foreign objects; the front end of the connecting rod 224 is linked with the output end of the swinging unit 21, and the rear end of the connecting rod 224 is hinged with the driven rod 221; the adjustment assembly 10 is mounted on the first carriage 223.

Specifically, in the present embodiment, the driven lever 221 is rotatably connected to the body of the trimmer through a rotating shaft, and the front end of the connecting rod 224 is hinged to the lower end of the swinging lever 213. The main part 222 is a bearing, the main part 222 is located between the driven rod 221 and the first sliding seat 223, the main part 222 is mounted at the upper end of the driven rod 221 through a rotating shaft, the first sliding seat 223 is provided with a first sliding groove, the first sliding groove extends along the up-down direction, and the main part 222 and the first sliding groove are adapted to slide. The first mount 17 is screwed to the first slider 223. In use, the swing lever 213 swings, thereby moving the link rod 224 and further rotating the driven lever 221. At this time, the main member 222 is moved by the driven rod 221, and the main member 222 is allowed to roll in the first slide groove in the vertical direction by the restriction of the first slide groove, and it is understood that the first slide base 223 is subjected to the force from the main member 222 at this time, and the restriction of the guide member 40 is also applied, so that the first slide base 223 can move only in the front-back direction, and thus, the adjustment assembly 10 and the clamping assembly 30 can linearly reciprocate in the front-back direction.

In another embodiment of the present invention, as shown in fig. 5 to 6, the clamping assembly 30 includes a second slider 31, a positioning unit, and a clamping unit; the adjusting assembly 10 is connected with the second slide carriage 31 in a linkage manner; the positioning unit is fixedly arranged on the second sliding seat 31; the clamping unit is mounted on the second slide 31 to clamp the book.

Specifically, the second slider 31 is mounted on the nut holder 13, and the slider is mounted on the second slider 31. The positioning unit comprises a positioning installation seat 32 and two groups of positioning plates 33, the positioning installation seat 32 is installed at the top of the second sliding seat 31, the two groups of positioning plates 33 are fixedly arranged at the left end and the right end of the positioning installation seat 32 respectively, an avoiding groove for avoiding the clamping unit is formed in the positioning installation seat 32, and the avoiding groove penetrates through the upper end face and the lower end face of the positioning installation seat 32. The clamping unit comprises a clamping cylinder 34 and a clamping block 35, the clamping cylinder 34 is installed at the bottom of the second sliding seat 31, and the telescopic end of the clamping cylinder 34 penetrates through the first sliding seat 223 and enters the avoiding groove of the positioning installation seat 32. The clamping block 35 is installed on the telescopic end of the clamping cylinder 34 and located in front of the telescopic end, and the two sets of positioning plates 33 are located on the left and right sides of the clamping block 35 respectively. In this embodiment, the book is moved to the supporting surface of the book cutting machine body, and the clamping block 35 and the two positioning plates 33 are located above the supporting surface of the book cutting machine body. When the book trimming machine is used, books are moved to the supporting surface of the machine body and are abutted against the front end surfaces of the two groups of positioning plates 33 under the action of other mechanisms of the book trimming machine. At this time, the clamping cylinder 34 is operated, and the telescopic end thereof moves downward, thereby driving the clamping block 35 to move downward and pressing the book. Subsequently, the clamping assembly 30, and thus the book, is moved to the cutting mechanism of the book trimmer by the conveyor assembly 20.

Further, the clamping unit further includes an upper jacking cylinder 36 and an upper jacking block 37. The top cylinder 36 is installed at the bottom of the second slide 31, and its telescopic end penetrates through the second slide 31 and protrudes out of the upper surface of the second slide 31. The upper top block 37 is fixedly arranged on the top of the telescopic end of the upper top cylinder 36. In use, the top cylinder 36 drives the top block 37 to move upward, and at this time, the top block 37 gives an upward force to the book, thereby reducing friction force and enabling the book to move more smoothly and stably.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a three-knife trimmer's dynamic sending machine which characterized in that: comprises that

A clamping assembly; the clamping assembly is used for clamping a book;

an adjustment assembly; the adjusting assembly is in linkage connection with the clamping assembly so as to enable the clamping assembly to move;

and a delivery assembly; the conveying assembly is in linkage connection with the adjusting assembly so as to enable the conveying assembly to move;

the moving end of the adjusting assembly and the moving end of the conveying assembly move along the front-back direction.

2. The automatic feeding mechanism of a three-side trimmer according to claim 1, characterized in that: the adjustment assembly includes a first driving source and a first moving unit; the clamping assembly is arranged on the moving end of the first moving unit; the first driving source is in linkage connection with the first moving unit; the fixed end of the first driving source is fixedly connected with the movable end of the conveying assembly.

3. The automatic feeding mechanism of a three-side trimmer according to claim 2, characterized in that: the first moving unit comprises a ball screw and a nut seat; the nut seat is sleeved on the ball screw and is rotatably connected with the ball screw; the clamping assembly is arranged on the nut seat; the first driving source is in linkage connection with the ball screw.

4. The automatic feeding mechanism of a three-side trimmer according to claim 2, characterized in that: the adjustment assembly further comprises a first transmission unit; the first driving source is in linkage connection with the input end of the first transmission unit, and the output end of the first transmission unit is in linkage connection with the first moving unit so that the moving end of the first moving unit moves.

5. The automatic feeding mechanism of a three-side trimmer according to claim 4, wherein: the first transmission unit comprises a driving chain wheel, a driven chain wheel and a chain; the first driving source is in linkage connection with the driving chain wheel; the driven chain wheel is in linkage connection with the first transmission unit; the head end and the tail end of the chain are respectively sleeved on the driving chain wheel and the driven chain wheel, and the driving chain wheel is in linkage connection with the driven chain wheel through the chain.

6. The automatic feeding mechanism of a three-side trimmer according to claim 1, characterized in that: further comprising at least one guide; the guide member extends in a front-rear direction; the clamping assembly is slidably connected with the guide member, and the moving end of the conveying assembly is slidably connected with the guide member.

7. The automatic feeding mechanism of a three-side trimmer according to claim 6, wherein: the conveying assembly comprises a second driving source, a swinging unit and a reversing unit for changing the movement direction; the second driving source is in linkage connection with the input end of the swing unit; the output end of the swinging unit is in linkage connection with the reversing unit; the reversing unit is provided with a moving end which moves along the front-back direction and is in sliding fit with the guide piece, and the adjusting component is arranged on the moving end of the reversing unit.

8. The automatic feeding mechanism of a three-side trimmer according to claim 7, wherein: the swing unit comprises a cam, a first rotating shaft and a swing rod; the second driving source is in linkage connection with the first rotating shaft; the cam is sleeved on the first rotating shaft; the cam is in linkage connection with the swinging rod so as to enable the swinging rod to swing; the lower end of the swinging rod is in linkage connection with the reversing unit; the upper end of the swinging rod is rotatably connected with other foreign objects.

9. The automatic feeding mechanism of the three-side trimmer according to claim 7, wherein: the reversing unit comprises a driven rod, a main part, a first sliding seat and a connecting rod; the first sliding seat is connected with the guide piece in a sliding mode; the main part is arranged at the upper end of the driven rod; the main part is in sliding fit or rolling fit with the first sliding seat; the lower end of the driven rod is rotatably connected with other foreign objects; the front end of the connecting rod is in linkage connection with the output end of the swinging unit, and the rear end of the connecting rod is hinged with the driven rod; the adjusting component is arranged on the first sliding seat.

10. The automatic feeding mechanism of a three-side trimmer according to claim 1, characterized in that: the clamping assembly comprises a second sliding seat, a positioning unit and a clamping unit; the adjusting assembly is in linkage connection with the second sliding seat; the positioning unit is fixedly arranged on the second sliding seat; the clamping unit is arranged on the second sliding seat to clamp the book.