CN111745726A - A three-sided book cutter - Google Patents

Abstract

The invention discloses a three-sided book cutting machine, comprising a book feeding device, a table-top book blocking and aligning device, a cutting device and a book pushing device. The cutting device includes a knife seat, a knife tire and a blade, and the blade is fixed on the knife On the tire, one side of the knife seat is provided with a lower support body and an upper support body, a mounting groove is formed between the lower support body and the upper support body, a lower dovetail groove is formed between the lower support body and the knife seat, and the upper support body and the upper support body are formed. An upper dovetail groove is formed between the tool bases, and the lower surface of the upper support body is inclined laterally from one side to the other side; the tool tire is provided with an installation inclined block, and the installation inclined block extends into the installation groove for installation The shape of the bottom surface of the inclined block is the same as that of the lower dovetail groove, and the shape of the top surface of the installation inclined block is the same as that of the upper dovetail groove. The invention can quickly replace the blade after it is worn out, so that the replaced blade can reach the designated position and be fixed, and the precision is very high.

Description

A three-sided book cutter

technical field

The invention belongs to the field of book cutting machines, and more particularly relates to a three-sided book cutting machine.

Background technique

Due to the large number of books printed, in order to facilitate the consistency of length and width after printing a large number of books, a three-sided book cutting machine is used. In this three-sided book cutting machine, the book is placed horizontally on the operating platform, and three-sided cutting machine is used. Use the knife on both sides of the book machine to cut the length of the book, and use the front knife to cut the width of the book. At present, there are many three-sided book cutting machines on the market. One of the most commonly used three-sided book cutting machines is to install side knives and front knives on the knife holder. When the main shaft moves down, the side knives and front knives will be cut in turn Books, which will be cut into uniform books of length.

The current three-sided book cutting machine usually includes a book feeding device, which is used to send a stack of books as a whole to the front of the cutting device; a table top book stop and alignment device, which is used to sort and align the stack of books; a cutting device, which is used for The side and front of the book are cut to make the overall size of the book uniform, and a cutting area is formed at the cutting device. There is also a paper pressing mechanism above the cutting area, which is used to compress a stack of books to prevent them from being cut. Displacement occurs when cutting; and a book ejection device, which is used to remove the cut books for collection; wherein the blade of the cutting device needs to be replaced after being worn for a period of time, and a new (sharpened) blade needs to be replaced , Usually the replacement time is long and the downtime is long. At present, there is no structure for rapid blade replacement.

SUMMARY OF THE INVENTION

Aiming at the deficiencies of the prior art, the present invention provides a blade that can be quickly replaced after the blade is worn, so that the replaced blade can be fixed at a designated position, and the precision is very high.

In order to achieve the above purpose, the present invention provides the following technical solutions: a three-sided book cutting machine, comprising a book feeding device, a table top book stop aligning device, a cutting device and a book pushing device, and the cutting device includes a knife seat, a knife tire and a blade, the blade is fixed on the blade body, one side of the blade seat is provided with a lower support body and an upper support body, a mounting groove is formed between the lower support body and the upper support body, and between the lower support body and the blade seat A lower dovetail groove is formed, an upper dovetail groove is formed between the upper support body and the tool seat, and the lower surface of the upper support body is inclined laterally from one side to the other;

The cutter tire is provided with an installation oblique block, the installation oblique block extends into the installation groove, the bottom surface shape of the installation oblique block is the same as that of the lower dovetail groove, and the top surface shape of the installation oblique block is the same as the upper dovetail groove;

A locking mechanism is arranged on the knife seat, and the locking mechanism squeezes and fixes the knife tire in the installation groove.

Further, the locking mechanism includes a first sliding block, a sliding groove is arranged on the knife seat, the first sliding block slides in the sliding groove, and a through hole connecting the sliding groove and the outside is provided on the knife block in the transverse direction, so that the A tensioning rod is arranged in the through hole, the tensioning rod is rotatably connected with the tool seat, and is threadedly connected with the first sliding block. Tightening slot for tight pin fit.

Further, there are at least two upper support bodies, all the upper support bodies are distributed laterally, the installation inclined block includes an upper installation inclined block and a lower installation inclined block, the lower installation inclined block is matched with the lower dovetail groove, and the upper installation inclined block is arranged. The number and location distribution of blocks and upper supports are the same.

Further, the book push-out device includes racks located on both sides of the cutting area, the front side of the rack corresponding to the cutting area is the outlet, the rear side is the inlet, and the rack is provided with a clamping mechanism and a book ejecting mechanism, The clamping mechanism includes a slide rail extending in the longitudinal direction, a lateral movement mechanism is arranged between the slide rail and the frame, and the lateral movement mechanism is arranged laterally; The second sliding block is slidably connected with the sliding rail, the splint is fixed on the second sliding block, and the longitudinal moving mechanism connects the second sliding block and the frame.

Further, the lateral movement mechanism includes a push rod and a swing arm hinged with the frame. There are at least two swing arms. The swing arms are distributed laterally and parallel to each other. The tops of all swing arms are hinged with the push rod, and the slide rails are fixed. on the putter.

Further, the swing arm and the push rod form a parallelogram mechanism, and parallelogram mechanisms are arranged on both sides of the racks, and the parallelogram mechanisms on both sides of the racks are linked.

Further, the longitudinal moving mechanism includes a connecting rod and a rocker arm, two ends of the connecting rod are respectively connected with the second slider and the rocker arm, and a joint is provided between the two ends of the connecting rod and the second slider and the rocker arm. The bearing, one end of the rocker arm is connected to the power shaft on the frame, and the axis of the power shaft extends laterally.

Further, the book feeding device includes a table top and a lower support frame, the table top is provided with a track groove that penetrates the upper and lower surfaces, and a reciprocating swing mechanism is arranged below the table top, and the reciprocating swing mechanism includes a swing rod, a push plate and at least two A crank arm, the middle part of the crank arm is hinged with the lower support frame, the swing rod is hinged on the top of the crank arm, and the push plate is fixed on the swing rod and extends into the track groove.

Further, the bottom ends of the crank arms are connected with a power rod, and the bottom ends of all the crank arms are connected to the same power rod and are hinged with the power rod.

Further, there are at least two push plates arranged along the length direction of the swing rod.

Compared with the prior art, the beneficial effects of the present invention are:

1. The tool change is fast and efficient, and the position of the newly replaced tool is the same as that of the original tool, without secondary adjustment;

2. The whole book cut in the cutting area can be moved from the exit to the conveyor belt, with a high degree of automation, the transfer speed of the book is higher, and the overall cutting efficiency is improved;

3. Realize continuous reciprocating push of books, with high efficiency.

Description of drawings

Fig. 1 is the three-dimensional structure drawing one of the three-sided book cutter of the present invention;

Fig. 2 is the three-dimensional structure diagram 2 of the three-sided book cutter of the present invention;

Fig. 3 is the side view of the book feeding device in the present invention;

Fig. 4 is the three-dimensional structure diagram of the blade quick-change structure in the present invention;

Fig. 5 is the front view of the knife seat in the present invention;

Fig. 6 is the three-dimensional structure diagram of the knife seat in the present invention;

Fig. 7 is the side view of the knife seat in the present invention;

Fig. 8 is the front view after the cutter tire and the blade are combined in the present invention;

Fig. 9 is the three-dimensional structural view after the cutter tire and the blade are combined in the present invention;

Fig. 10 is the three-dimensional structure diagram of the cutter tire in the present invention;

Fig. 11 is the three-dimensional structure diagram of the book push-out device in the present invention;

Fig. 12 is the rear view of pushing out device in the present invention;

Figure 13 is a rear view of the lateral movement mechanism in the present invention;

FIG. 14 is a perspective structural view of the longitudinal moving mechanism in the present invention.

Reference numerals: 22, knife seat; 23, upper support body; 24, upper dovetail groove; 25, lower support body; 251, lower dovetail groove; 252, buffer groove; 26, chute; 27, locking mechanism; 271 , the first slider; 272, the tension pin; 273, the tension rod; 274, the rotary handle; 28, the knife tire; 281, the upper installation inclined block; 282, the lower installation inclined block; 283, the tension groove; 29, Blade; 11. Left frame; 12. Right frame; 2. Cutting area; 3. Lateral moving mechanism; 31. Swing arm; 32. Push rod; 4. Slide rail; 5. Longitudinal moving mechanism; 51. Rocker Arm; 52, connecting rod; 53, second slider; 54, joint bearing; 611, right pull rod; 612, left pull rod; 621, right reversing plate; 622, left reversing plate; 63, driving rod; 7, Book feeding device; 71, table top; 711, track groove; 721, push plate; 722, swing rod; 723, crank arm; 724, power rod; 8, table top stop book alignment device.

Detailed ways

Embodiments of the three-sided book cutting machine of the present invention will be further described with reference to FIGS. 1 to 14 .

In the description of the present invention, it should be noted that for orientation words, such as the terms "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", " Width, Thickness, Top, Bottom, Front, Back, Left, Right, Vertical, Horizontal, Top, Bottom, Inside ", "outside", "clockwise", "counterclockwise" and other indications of orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying The device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or indicating the number of technical features. Therefore, defining the "first" and "second" features may expressly or implicitly include one or more of the features, and in the description of the present invention, "several" and "several" mean two or two above, unless otherwise expressly specifically defined.

A three-sided book cutter, including a book feeding device 7, a table top book stop and alignment device 8, a cutting device and a book pushing device, the cutting device includes a knife seat 22, a knife tire 28 and a blade 29, the blade 29 is fixed on the knife On the tire 28 , a lower support body 25 and an upper support body 23 are provided on one side of the knife seat 22 , a mounting groove is formed between the lower support body 25 and the upper support body 23 , and a mounting groove is formed between the lower support body 25 and the knife seat 22 The lower dovetail groove 251, the upper dovetail groove 24 is formed between the upper support body 23 and the tool seat 22, and the lower surface of the upper support body 23 is inclined laterally from one side to the other;

The cutter tire 28 is provided with an installation inclined block, the installation inclined block extends into the installation groove, the bottom surface shape of the installation inclined block is the same as that of the lower dovetail groove 251, and the top surface shape of the installation inclined block is the same as the upper dovetail groove 24;

The knife base 22 is provided with a locking mechanism 27, and the locking mechanism 27 squeezes and fixes the knife tire 28 in the installation groove.

In this embodiment, the X direction of the tool holder 22 in FIG. 4 is the horizontal direction, the Y direction is the vertical direction, and the Z direction is the vertical direction. As shown in FIGS. 5 and 6 , the lower surface of the upper support body 23 in this embodiment is horizontal The upper surface of the lower support body 25 is in a horizontal state. As shown in FIG. 7 , the upper support body 23 and the lower support body 25 and the tool seat 22 form an upper dovetail groove 24 and a lower dovetail respectively between the upper support body 23 and the lower support body 25 Slot 251.

Correspondingly, as shown in FIG. 9 , the top surface and bottom surface of the installation inclined block in this embodiment are dovetail-shaped, and the top surface of the installation inclined block is inclined in the lateral direction, and the inclined direction is the same as that of the lower part of the upper support body 23 . The surface is the same.

Taking FIG. 4 as an example, during installation, the blade 28 slides from the right side of the blade holder 22 to the left side, so that the installation inclined block slides into the installation groove, and the distance on the right side between the upper support body 23 and the lower support body 25 is greater than The distance on the left side, that is, the installation inclined block will be gradually squeezed by the upper support body 23 and the lower support body 25. When the installation inclined block reaches the limit position, the knife tire 28 and the knife seat 22 are locked by the locking mechanism 27. Yes; when disassembling, it is only necessary to open the locking mechanism 27, and the knife tire 28 slides to the right to be taken out from the knife seat 22.

In this embodiment, the upper support body 23 cooperates with the top surface of the installation inclined block, so that the installation inclined block can be squeezed and positioned, and finally the fixing and positioning of the knife tire 28 can be realized. The same blade 28 is replaced at the same time, after the new blade 29 is combined with the blade 28 in advance), the fixed position of the blade 29 is the same as before, no need for secondary calibration, and the replacement efficiency is higher.

In this embodiment, the locking mechanism 27 preferably includes a first sliding block 271 , a sliding groove 26 is provided on the knife seat 22 , the first sliding block 271 is located in the sliding groove 26 to slide, and the knife seat 22 is provided with a transverse direction. A through hole communicating with the chute 26 and the outside world, a tension rod 273 is arranged in the through hole, the tension rod 273 is rotatably connected with the knife seat 22, and is threadedly connected with the first sliding block 271, the first sliding block 271 A tensioning pin 272 is provided thereon, and a tensioning groove 283 is provided on the knife body 28 to cooperate with the tensioning pin 272 ; a rotating handle 274 is provided at one end of the tensioning rod 273 extending out of the knife base 22 .

As shown in FIG. 5 , the tension rod 273 is located on the left side of the tool holder 22 , the chute 26 is opened in the lateral direction, the first slider 271 is provided with a threaded hole on the side of the tension rod 273 , and the tension rod 273 extends into the threaded hole The tension pins 272 are arranged in the longitudinal direction in threaded engagement with the first sliding block 271 .

When installing the knife tire 28, first move the first slider 271 to the far right, and initially slide the knife block 28 into the installation groove. At this time, the tension pin 272 can extend into the tension groove 283, and then rotate the handle by rotating the handle. 274 drives the tension rod 273 to rotate, so that the first slider 271 gradually moves to the left, and the tension pin 272 drives the entire blade 28 to move to the left. Press to fix.

In this embodiment, the tensioning groove 283 is preferably formed by extending downward from the top of the blade 28 , that is, the tensioning groove 283 is arranged vertically. As shown in FIG. 8 , when the blade 28 is fixed on the blade base 22 , the blade 28 will partially move downward due to the action of the upper support body 23, at this time, the tension pin 272 and the tension groove 283 move relative to each other in the vertical direction, but the tension pin 272 is still relatively fixed to the tension groove 283 in the lateral direction , to achieve the tension of the cutter tire 28 .

As shown in FIG. 7 , in this embodiment, a buffer groove 252 is preferably provided at the bottom end of the knife base 22 corresponding to the lower dovetail groove 251 . When the knife base 28 is tightened and fixed on the knife base 22 , the knife base 28 as a whole will move toward the bottom end of the lower dovetail groove 251 . Moving down, the buffer groove 252 can accommodate the bottom end of the mounting inclined block.

In this embodiment, there are preferably at least two upper support bodies 23, and all the upper support bodies 23 are distributed in the lateral direction. The installation inclined blocks include an upper installation inclined block 281 and a lower installation inclined block 282, and the lower installation inclined block 282 and The lower dovetail grooves 251 are matched, and the upper mounting inclined blocks 281 and the upper support body 23 have the same quantity and location distribution.

Arranging multiple upper supports 23 can make each upper support 23 have a larger inclination angle in the lateral direction, and at the same time, it is convenient to install the oblique block. The part near the middle of 22 directly puts the installation inclined block into the dovetail groove to reduce the lateral movement distance of the blade 28, and at the same time avoid abnormal wear of the upper support body 23 and the upper installation inclined block 281 due to the too small inclination angle of the upper support body 23.

In this embodiment, two of the above support body 23 and the upper installation inclined block 281 are provided, and the tension groove 283 is located between the two upper installation inclined blocks 281 .

In this embodiment, the book pushing device includes racks located on both sides of the cutting area 2, the front side of the rack corresponding to the cutting area 2 is the outlet, and the rear side is the inlet, the rack is provided with a clamping mechanism and a book ejection The clamping mechanism includes a slide rail 4 extending in the longitudinal direction, a lateral movement mechanism 3 is arranged between the slide rail 4 and the frame, and the lateral movement mechanism 3 is arranged in the lateral direction; the book publishing mechanism includes a second slide The block 53, the splint and the longitudinal moving mechanism 5, the second sliding block 53 is slidably connected with the slide rail 4, the splint is fixed on the second sliding block 53, and the longitudinal moving mechanism 5 connects the second sliding block 53 with the frame.

For the convenience of understanding the present invention, the frames on both sides of the cutting area 2 are defined as the left frame 11 and the right frame 12 respectively, and the lateral movement mechanisms 3 are arranged on both the left frame 11 and the right frame 12, and each The lateral movement mechanism 3 is correspondingly connected to a group of longitudinal movement mechanisms 5 .

As shown in Figures 11-13, the lateral movement mechanism 3 includes a push rod 32 and a swing arm 31 hinged with the frame. There are at least two swing arms 31. The swing arms 31 are distributed in the lateral direction and are parallel to each other. The top of the arm 31 is hinged with the push rod 32, the slide rail 4 is fixed on the push rod 32, the swing arm 31 and the push rod 32 form a parallelogram mechanism, the swing arm 31 and the frame hinge point are located at the same height, the swing arm 31 The hinge point with the push rod 32 is also located at the same height.

As shown in FIG. 13, when the swing arm 31 swings, the push rod 32 moves left and right accordingly, that is, close to the cutting area 2 or away from the cutting area 2, but the push rod 32 is always kept in a horizontal state, so that the plywood clamps the book or loosens it. Open book; in this embodiment, two swing arms 31 are preferably arranged in the transverse direction, each two swing arms 31 distributed in the transverse direction is a group, and at least two groups of swing arms 31 are arranged in the longitudinal direction.

In order to enable the two lateral movement mechanisms 3 to move synchronously, the present embodiment adopts the structure shown in FIG. 4 , which includes a left pull rod 612 , a right pull rod 611 , a left reversing plate 622 , a right reversing plate 621 and a driving rod 63 . The left reversing plate 622 and the right reversing plate 621 are both in the shape of a "7", and the middle part is hinged with the frame. The other end of 612 is hinged on the swing arm 31 of the left frame 11; 31, in this embodiment, the left reversing plate 622 and the right reversing plate 621 are connected together by the driving rod 63, that is, the lateral movement mechanism 3 on the left frame 11 and the lateral movement mechanism 3 on the right frame 12 are connected together. Able to synchronize movement.

The preferred longitudinal movement mechanism 5 in this embodiment includes a connecting rod 52 and a rocker arm 51 , two ends of the connecting rod 52 are respectively connected with the second slider 53 and the rocker arm 51 , and two ends of the connecting rod 52 are connected with the second sliding block 53 and the rocker arm 51 respectively. A joint bearing 54 is arranged between the slider 53 and the rocker arm 51 , one end of the rocker arm 51 is connected to the power shaft on the frame, and the axis of the power shaft extends laterally.

As shown in Figures 11, 12 and 14, when the rocker arm 51 swings, its top end will move longitudinally forward and backward with the connecting rod 52, while the second slider 53 and the splint slide longitudinally along the slide rail 4, wherein the joint bearing 54 enables the second sliding block 53 to follow the sliding rail 4 to move laterally synchronously when the sliding rail 4 moves laterally, without affecting the longitudinal movement of the second sliding block 53 .

In this embodiment, both the drive rod 63 and the rocker arm 51 reciprocate.

The specific working process is:

As shown in FIG. 11 , the book is cut in the cutting area 2, the side knife and the front lane are reset, and the driving rod 63 is actuated, so that the lateral movement mechanism 3 on the left frame 11 and the right frame 12 carries the slide rail 4 At the same time, it moves in the direction of the cutting area 2 in the transverse direction, and the clamping plate clamps the book. At this time, the position of the rocker arm 51 of the longitudinal movement mechanism 5 does not change in the transverse direction. It can move relatively in the lateral direction; and the rear rocker arm 51 moves to move the connecting rod 52 and the second slider 53 in the longitudinal direction to the exit direction of the cutting area 2, that is, the whole clamps the book and moves to the exit direction, so that the book moves out of the cutting area. Zone 2 to the conveyor belt for collection.

As shown in FIG. 3 , in this embodiment, the book feeding device 7 includes a table top 71 and a lower bracket. The table top 71 is provided with a track groove 711 that penetrates the upper and lower surfaces, and a reciprocating swing mechanism is provided below the table top 71 . The swing mechanism includes a swing rod 722, a push plate 721 and at least two crank arms 723. The middle of the crank arm 723 is hinged with the lower bracket, the swing rod 722 is hinged to the top of the crank arm 723, and the push plate 721 is fixed on the swing rod 722 and extends into the track groove 711.

Preferably, the bottom ends of the crank arms 723 are connected with a power rod 724 , and the bottom ends of all the crank arms 723 are connected to the same power rod 724 and are hinged with the power rod 724 .

Preferably, at least two push plates 721 are provided and distributed along the length direction of the swing rod 722 .

A plurality of stacked books are placed on the table 71, and the power rod 724 moves back and forth back and forth, so that the arm 723 swings around the hinge point. When the push plate 721 moves forward and upward, it first protrudes from the rail groove 711 to the top of the table top 71, and pushes the book located on the table top 71 to move forward to the table top book stop aligning device 8, and then the rear push plate 721 moves downward and backward , that is, the push plate 721 is retracted to the bottom of the table top 71 and transferred to the back of the book. In this way, the book on the table top 71 is continuously pushed to the table top book stop aligning device 8 .

The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (10)

1. A three-sided book cutter, comprising a book feeding device, a table top stop book aligning device, a cutting device and a book pushing device, characterized in that: the cutting device comprises a knife seat, a knife tire and a blade, and the blade is fixed On the cutter body, one side of the cutter seat is provided with a lower support body and an upper support body, a mounting groove is formed between the lower support body and the upper support body, a lower dovetail groove is formed between the lower support body and the cutter seat, and the upper support body is formed. An upper dovetail groove is formed between the body and the tool seat, and the lower surface of the upper support body is inclined laterally from one side to the other; The cutter tire is provided with an installation oblique block, the installation oblique block extends into the installation groove, the bottom surface shape of the installation oblique block is the same as that of the lower dovetail groove, and the top surface shape of the installation oblique block is the same as the upper dovetail groove; A locking mechanism is arranged on the knife seat, and the locking mechanism squeezes and fixes the knife tire in the installation groove. 2 . The three-sided book cutting machine according to claim 1 , wherein the locking mechanism comprises a first sliding block, a sliding groove is provided on the knife seat, and the first sliding block slides in the sliding groove, and the knife The seat is provided with a through hole connecting the chute and the outside in the transverse direction, and a tension rod is arranged in the through hole. A tensioning pin is arranged on the cutter body, and a tensioning groove matched with the tensioning pin is opened on the blade. 3 . The three-sided book cutter according to claim 2 , wherein at least two upper supports are provided, all upper supports are distributed laterally, and the installation inclined blocks include an upper installation inclined block and a lower installation inclined block. 4 . The inclined block, the lower installation inclined block is matched with the lower dovetail groove, and the upper installation inclined block and the upper support body have the same quantity and position distribution. 4 . The three-sided book cutting machine according to claim 3 , wherein the book pushing device comprises racks located on both sides of the cutting area, and the front side of the rack corresponding to the cutting area is the outlet and the rear side is the inlet. 5 . , the frame is provided with a clamping mechanism and a book publishing mechanism, the clamping mechanism includes a longitudinally extending slide rail, a lateral movement mechanism is arranged between the slide rail and the frame, and the lateral movement mechanism is arranged laterally The book publishing mechanism includes a second sliding block, a splint and a longitudinal moving mechanism, the second sliding block is slidably connected with the slide rail, the splint is fixed on the second sliding block, and the longitudinal moving mechanism is connected with the second sliding block and the frame . 5. The three-sided book cutter according to claim 4, wherein the lateral movement mechanism comprises a push rod and a swing arm hinged with the frame, at least two swing arms are arranged, and the swing arms are distributed laterally and mutually In parallel, the tops of all swing arms are hinged with the push rods, and the slide rails are fixed on the push rods. 6 . The three-sided book cutting machine according to claim 5 , wherein the swing arm and the push rod form a parallelogram mechanism, the racks on both sides are provided with parallelogram mechanisms, and the racks on both sides are provided with parallelogram mechanisms. 7 . The parallelogram mechanism linkage. 7 . The three-sided book cutter according to claim 6 , wherein the longitudinal moving mechanism comprises a connecting rod and a rocker arm, two ends of the connecting rod are respectively connected with the second sliding block and the rocker arm, and the connecting rod A joint bearing is arranged between the two ends of the rocker, the second sliding block and the rocker arm, one end of the rocker arm is connected to the power shaft on the frame, and the axis of the power shaft extends laterally. 8. The three-sided book cutting machine according to any one of claims 1-7, characterized in that: the book feeding device comprises a table and a lower bracket, and a track groove that penetrates the upper and lower surfaces is opened on the table, and the A reciprocating swing mechanism is arranged under the table, the reciprocating swing mechanism includes a swing rod, a push plate and at least two swing arms, the middle part of the swing arm is hinged with the lower bracket, the swing rod is hinged on the top of the swing arm, and the push plate is fixed to the swing rod up and into the track slot. 9 . The three-sided book cutter according to claim 8 , wherein a power rod is connected to the bottom end of the hinged arm, and the bottom ends of all the hinged arms are connected to the same power rod and are hinged with the power rod. 10 . 10 . The three-sided book cutter according to claim 8 , wherein at least two push plates are provided and distributed along the length direction of the swing rod. 11 .

Images