Automated Forming System for Wooden Fences

Abstract

The present invention discloses an automatic forming system for wooden fences, comprising eight units: feeding and pre-sorting, slicing, collecting and drilling, shaping and arranging, cutting and installing spacers, inserting pins, tightening, and transportation. The functions of each unit are: conveying and trimming a single wooden board or bamboo board, drilling through holes in the wooden strips in turn, arranging a plurality of wooden strips at equal intervals as a whole board of wooden strips, cutting coils into fixed-length spacers, and conveying the spacers between the through holes of the whole board of wooden strips, inserting pins into the through holes, automatically installing and tightening nuts, and then transporting to the next process. The system comprises sawing the whole wooden board or bamboo board into strips, arranging them at intervals and adding positioning spacers, and finally inserting pins and tightening nuts to complete the processing of the whole board type fence, and conveying these assembled whole board type fences to railings with fixed intervals for installation, which is conducive to rapid assembly into an integral fence, greatly improving work efficiency and saving labor costs.

Description

Technical Field

[0001] The present invention relates to an automatic bamboo raft forming system, specifically an automatic production and assembly system, which comprises: sawing a whole wooden board into multiple wooden strips of set specifications, drilling holes in each wooden strip and then arranging them at intervals to form a whole board of wooden strips, then placing positioning sleeves between the holes between the wooden strips, and then inserting pins into the wooden strips and the sleeves to tighten them, so as to form a fence-shaped bamboo raft. It belongs to the field of mechanical equipment technology. Background Art

[0002] Fences are a kind of spacing device, which are widely used in industries such as industry, agriculture, forestry, animal husbandry and fishery production, home or landscape gardening. According to the materials used, they include strip or linear fences made of bamboo, wood, metal, cement or plastic. The existing method of making and installing strip-shaped fences is: the strip-shaped fence pieces are transported to the site, and then the fences are fixed and formed according to the spacing requirements with fixing parts in turn. The shortcomings are: the production and assembly processes are all manual operations, with low efficiency and poor consistency. The content disclosed in the Chinese invention patent "A Fence Processing Device" (201711128736.7) is: a cavity workbench and a conveyor table with a step structure are used to realize the clamping, cutting, grinding, painting and drying processes of the fences, but the assembly of a whole row of fences cannot be realized.

[0003] In the existing public technology, there is no device or production line that pre-assembles multiple fences into a whole row shape and then transports them to railings with fixed intervals for installation, which is conducive to rapid molding into fences. Summary of the invention

[0004] The purpose of the present invention is to design an automated bamboo raft forming system in response to the background technical problems. The system includes sawing a whole wooden board or bamboo board into multiple strips of set specifications, drilling holes in each wooden strip or bamboo strip and then arranging them at intervals to form a whole board, then placing positioning spacers between the holes between the intervals, and finally inserting pins into the processed holes and tightening them in the spacers to form a whole-board fence. These assembled whole-board fences are transported to railings with fixed intervals for installation, which is conducive to rapid assembly into an integral fence, greatly improving work efficiency and saving labor costs.

[0005] The technical solution of the present invention is:

[0006] The automatic forming system for wooden fences includes eight units, namely: feeding and pre-arranging unit, slicing unit, collecting and drilling unit, shaping and discharging unit, cutting and installing spacer unit, inserting pin unit, tightening unit and transfer unit;

[0007] The slicing unit is a multi-blade saw used to saw and process a single wooden board or bamboo piece into multiple wooden strips of the same size;

[0008] The loading and pre-sorting unit includes: a paddle conveyor chain, a trimming saw, and a conveyor roller; the loading and pre-sorting unit is used to convey the multiple wooden boards stacked in the silo one by one by the paddle conveyor chain to the trimming saw to cut them into fixed-length blank boards, and then convey them to the slicing unit through rollers;

[0009] The receiving and drilling unit includes: a pressing device, a roller, a moving cylinder, an arc slide, a drilling cylinder, a drill bit, a moving chain and a drill bit slide rail; the receiving and drilling unit is used to sequentially receive the single wood strips cut by the slicing unit, and drill at least two through holes on each single wood strip at a set interval at the same time, and then push the wood strips to the shaping and discharging unit;

[0010] The shaping and discharging unit includes: a conveying table, a lead screw, a synchronous belt, and a mobile frame; the shaping and discharging unit is used to sequentially receive the single wooden strips after drilling, and arrange the set number of wooden strips at equal intervals along the X-axis direction into a whole board of wooden strips, and then transport the whole board of wooden strips along the Y-axis in the positive direction to the cutting and installing spacer unit;

[0011] The spacer cutting and installation unit includes: a spacer cutting and conveying device and a wood strip conveying device. The spacer cutting and conveying device is used to cut the coil into spacers of set length. The spacers fall into the vibration plate. The vibration plate arranges the cut spacers neatly and pushes them to the pipe arrangement assembly. The pipe arrangement assembly is used to sequentially convey the spacers to positions concentric with the through holes on the whole board of wood strips. The wood strip conveying device is used to receive the whole board of wood strips and move the whole board of wood strips along the Y axis in a positive direction according to the set program.

[0012] The pin insertion unit includes: a pin placement groove, a pin roller, a pin guide groove, and a push rod cylinder; the pin insertion unit is used to insert the pin into the through hole of the whole board wood strip along the positive direction of the X axis; the tightening unit includes: an automatic nut installation machine and a nut locking device; the tightening unit is used to install a nut into one end of the pin passing through the through hole of the whole board wood strip, and then tighten the nut by rotating the sleeve;

[0013] The transfer unit is used to receive the whole board of wooden strips after the installation and tightening of the pin rods.

[0014] Furthermore, in the above-mentioned loading and pre-sorting unit, at least two groups of paddle conveyor chains are arranged in parallel along the X-axis direction of the movement of the wooden board, and there are two trimming saws. The paddle conveyor chains and the trimming saws are both installed on slide rails along the Y-axis direction. The trimming saws are used for fixed-length cutting of the wooden board.

[0015] Furthermore, in the above-mentioned material receiving and drilling unit, the telescopic rod of the drilling cylinder is fixedly connected to the drill bit; there are 8 drill bits in total, and the roller is located below the pressing device. The roller is used to carry and receive multiple wooden strips output by the slicing unit. The pressing device is provided with a clamping cylinder, which is used to clamp the multiple wooden strips on the conveying roller, and the moving cylinder is used to move the clamped multiple wooden strips along the positive direction of the X-axis to the arc slide, and the moving chain is used to push the drilled wooden strips along the positive direction of the Y-axis to the shaping and discharging unit.

[0016] Furthermore, in the above-mentioned shaping and discharging unit, a lead screw is arranged below the conveying table, and the lead screw is used to drive the conveying table to reciprocate along the X-axis direction. The conveying table is provided with equally spaced grooves for accommodating the whole board of wood strips to slide forward along the Y-axis. There are two synchronous belts, and the synchronous belts are distributed along the Y-axis direction. A pushing baffle and a telescopic cylinder are provided on the moving frame, and the telescopic cylinder is installed along the Z-axis direction. The telescopic rod below the telescopic cylinder is fixedly connected to the pushing baffle, and the two ends of the moving frame are respectively fixedly connected to the synchronous belts.

[0017] Furthermore, in the above-mentioned spacer cutting and installation unit, the spacer cutting and conveying device includes: a coil conveying device, a pipe cutting machine, a vibrating screen, a vibrating plate, and a pipe arrangement assembly; the coil conveying device includes: a coil box and a pair of roller guide wheels; the pair of roller guide wheels are used to guide the coil to the pipe cutting machine, the pipe cutting machine is used to cut the coil into spacers according to a fixed length, the vibrating screen is used to receive the spacers and vibrate the spacers onto the vibrating plate, and the vibrating plate is used to slide the spacers down into the pipe arrangement assembly during the vibration process;

[0018] The pipe arrangement assembly includes: a rotating toggle plate, a spacer storage groove, a spacer comb teeth, and a ramp roller; the spacer storage groove is horizontally placed along the X-axis direction, the spacer storage groove is an open U-shaped groove, and slots equal to the width of the spacer are opened on both sides of the spacer storage groove, and the widths of the adjacent slots are equal to the width of the wooden strip; the rotating toggle plate is located at the upper part of the head end of the spacer storage groove, and the rotating toggle plate is used to toggle the spacer to move along the positive direction of the X-axis to the spacer storage groove, the spacer comb teeth are arranged in the slot on one side of the spacer storage groove, and the front end of the spacer comb teeth is comb-shaped, and the spacer comb teeth are driven by the set cylinder to move forward and backward along the Y-axis direction, and the ramp roller is N slots arranged at equal intervals, and the entrance of each slot is connected to the slot on the other side of the spacer storage groove, and the cross-sectional shape of each slot along the XZ plane is equal to the slot cross-sectional shape, and the cross-sectional shape along the YZ plane is an inverted L shape, and the width of each slot is equal to the slot width;

[0019] The wood strip conveying device comprises: a conveying table, a conveying chain, a sliding frame, and a sliding rod; a U-shaped slideway for storing wood strips is arranged on the conveying table along the Y-axis direction, ribs protruding upward are between each U-shaped slideway, a narrow slit is opened at the bottom of the U-shaped slideway, a conveying chain is arranged below the conveying table, sliding frames distributed along the X-axis direction are fixedly connected to the conveying chain, the lower parts of both ends of the sliding frame are slidably matched with the sliding rod, a slider is fixedly connected to the upper part of the sliding frame, the slider passes upward through the narrow slit in the U-shaped slideway, and the slider is used to push the wood strip to move forward along the Y-axis;

[0020] The front end of the rib is located just below the end of the inverted L-shaped groove. A concave semicircular groove is provided on the upper part of the front end of the rib. The semicircular groove is used to receive the spacer sleeve that falls along the ramp raceway. The diameter of the semicircular groove is equal to the outer diameter of the spacer sleeve.

[0021] Furthermore, in the above-mentioned inserted pin unit, the pin guide groove is located at the lower part of the pin roller; the pin placement groove is an open V-shape, the pin roller is cylindrical, the pin roller is located at the lower part of the pin placement groove, and on the circumference of the pin roller, at least two grooves are evenly distributed along the axial direction, the groove is used to accommodate the pin when the pin roller rotates, and when the pin roller continues to rotate, the pin falls into the pin guide groove; the push rod cylinder is located at one end of the pin guide groove along the X-axis direction; the push rod cylinder is used to push the pin placed on the pin guide groove into the through hole in the whole board wood strip along the positive direction of the X-axis.

[0022] Furthermore, in the above-mentioned tightening unit, the automatic nut loading machine is placed on a nut machine guide rail arranged along the X-direction, and the nut output position of the automatic nut loading machine corresponds to the pin rod located in the whole board wood strip; the nut locking device includes: a pneumatic socket wrench, a tightening seat, and a wrench pushing cylinder. The pneumatic socket wrench is installed on the tightening seat, and the tightening seat is installed on the wrench guide rail arranged along the X-axis direction. The wrench pushing cylinder is connected between the tightening seat and the frame.

[0023] Furthermore, in the above-mentioned tightening unit, the nut locking device also includes: an X-direction clamping cylinder, a clamping block, and a Z-direction clamping cylinder. The tightening seat is provided with an X-direction clamping cylinder. The X-direction clamping cylinder and the X-direction clamping cylinder provided on the tightening seat move toward each other, and the Z-direction clamping cylinder and the clamping block move toward each other.

[0024] Preferably, an industrial PC or PLC is provided in the automated forming system for wooden fences, and the industrial PC or PLC is used to control each unit in the system to act according to a set program.

[0025] The advantages and beneficial effects of the present invention are:

[0026] (1) The automated bamboo raft forming system of the present invention utilizes units such as loading and pre-sorting, slicing, collecting and drilling, shaping and arranging, cutting and installing spacers, inserting pins, and tightening to automatically trim the edges of a whole wooden board or bamboo board, cut it into wooden strips, and then drill holes, cut the coil into spacers, and then arrange a plurality of wooden strips at equal intervals, insert spacers in the intervals, and then install and tighten the pins to form a whole-board fence. The entire process is completed by an industrial computer or PLC, with a high degree of automation, which greatly improves work efficiency.

[0027] (2) The assembled whole-plate fence is transported to a railing with fixed intervals for installation, which is conducive to rapid assembly into an integral fence, improves the work efficiency of on-site assembly, and greatly saves labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 The whole board of wooden strips processed and assembled by the "automatic bamboo raft forming system" of the present invention is used to form a top view of the fence unit type fence. Figure 1 In the figure, a is a wooden strip, b is a spacer, c is a pin, and d is a nut. In this embodiment, it is assumed that there are 19 wooden strips in the figure, the length of the wooden strip is 2000 mm, the width is 17 mm, the width of the spacer is 16 mm, and the total width of the wooden strips of the whole board is 611 mm. Each wooden strip is drilled with 8 equally spaced through holes. In the actual processing process, the size of a single wooden strip and a whole board of wooden strips can be adjusted as required. During processing, it is only necessary to adjust the position of the relevant device in the system or the relevant action program;

[0029] Figure 2 yes Figure 1 AA section view along the middle line;

[0030] Figure 3 It is a three-dimensional schematic diagram of an embodiment of the "automatic bamboo raft forming system" of the present invention, in which a three-dimensional coordinate system of X, Y and Z axes is set;

[0031] Figure 4 yes Figure 3 Front view of

[0032] Figure 5 yes Figure 3 A top view of

[0033] Figure 6 yes Figure 3 Schematic diagram of the feeding and pre-finishing unit;

[0034] Figure 7 yes Figure 3 Schematic diagram of the mid-receiving drilling unit;

[0035] Figure 8 yes Figure 3 Schematic diagram of the medium-sized discharge unit;

[0036] Fig. 9 yes Figure 3 Schematic diagram of the wood strip conveying device of the middle cut spacer unit;

[0037] Fig.10 yes Fig. 9 Enlarged view of point B in the middle;

[0038] Fig.11 yes Fig. 9 Middle conveyor table and partial enlarged view;

[0039] Fig.12 yes Fig. 9 Partial location structure diagram and partial enlarged diagram of the middle slope roller and conveyor table;

[0040] Fig.13 It is a schematic diagram of a spacer cutting and conveying device of a spacer cutting and installing unit;

[0041] Fig.14 is a schematic diagram of an insertion pin rod unit;

[0042] Fig.15 It is a schematic diagram of the tightening unit.

[0043] Description of the symbols in the accompanying drawings:

[0044] Figure 3 In: 1-feeding and pre-sorting unit, 2-slicing unit, 3-collecting and drilling unit, 4-shaping and discharging unit, 5-spacer cutting and conveying device, 6-wood strip conveying device, 7-insertion pin rod unit, 8-tightening unit, 9-transfer unit.

[0045] Figure 6 Middle: 101-paddle conveying chain, 102-edge trimming saw, 103-conveying roller, 104-pressing cylinder.

[0046] Figure 7 Middle: 301-drill slide rail, 302-drill, 303-drilling cylinder, 304-moving chain, 305-arc slide, 306-pressing device, 307-moving cylinder.

[0047] Figure 8 Middle: 401-transmission table, 402-synchronous belt, 403-moving frame, 404-screw.

[0048] Figures 9 to 12 Middle: 601-sliding frame, 602-conveying table, 603-rotating toggle plate, 604-cylinder, 605-inclined roller, 606-spacer storage slot, 607-spacer comb teeth, 608-spacer, 609-wooden bar, 610-conveying chain, 611-rib, 612-semicircular groove, 613-narrow gap.

[0049] Fig.13Middle: 501-coil box, 502-roller guide wheel, 503-coil, 504-pipe cutting machine, 505-vibrating screen, 506-vibrating plate, 608-spacer.

[0050] Fig.14 Middle: 701-pin rod placement groove, 702-push rod cylinder, 703-pin rod guide groove, 704-pin rod, 705-pin rod roller.

[0051] Fig.15 In the middle: 801- nut pusher cylinder, 802- automatic nut loading machine, 803- nut machine guide rail, 804- pneumatic socket wrench, 805- wrench pusher cylinder, 806- wrench guide rail, 807- X-axis clamping cylinder, 808- clamping block, 809- Z-axis clamping cylinder. DETAILED DESCRIPTION

[0052] The following is a further description of the embodiments of the present invention in conjunction with the accompanying drawings. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present invention should be included in the scope of the claims of the present invention. Anything not described in detail in this technical solution is a known technology.

[0053] See also Figure 1 and Figure 2 The automatic bamboo raft forming system of the present invention is to saw a whole wooden board or bamboo board into multiple strips of set specifications, drill holes in each wooden strip or bamboo strip and then arrange them into a whole board shape, then place positioning sleeves between the holes between the intervals, and finally insert the pin rods into the processed holes and tighten them in the sleeves to form a whole board fence. In this embodiment, the setting Figure 1 There are 19 middle wooden strips, with a length of 2000mm, a width of 17mm, a spacer width of 16mm, and a total width of 611mm. Each strip has 8 equally spaced through holes drilled in it. During the actual processing, the size of a single strip and a whole board of strips can be adjusted as needed. During processing, you only need to adjust the position of the relevant device in the system or the relevant action program.

[0054] refer to Figures 3 to 15 The automated bamboo raft forming system of the present invention comprises eight units, which are: a feeding and pre-arrangement unit 1, a slicing unit 2, a material receiving and drilling unit 3, a shaping and discharging unit 4, a cutting and installing spacer unit, a pin rod insertion unit 7, a tightening unit 8, and a transfer unit 9; the cutting and installing spacer unit comprises: a spacer cutting and conveying device 5 and a wood strip conveying device 6, and the slicing unit is a multi-blade saw device in the prior art, and the multi-blade saw is used to saw a single wooden board or bamboo strip and process it into multiple wood strips of the same size.

[0055] The loading and pre-sorting unit 1 is used to transport multiple stacked wooden boards in the silo one by one by a paddle conveyor chain to the trimming saw to be cut into fixed-length blank boards, and then transport them to the slicing unit through rollers; the loading and pre-sorting unit 1 includes: a paddle conveyor chain 101, a trimming saw 102, and a conveying roller 103; in the embodiment of the present invention, three groups of paddle conveyor chains 101 are arranged in parallel along the X-axis direction of the wooden board, there are two trimming saws 102, and the paddle conveyor chain 101 and the trimming saw 102 are both installed on a slide rail along the Y-axis direction. When the wooden board moves to the conveying roller in the positive direction along the X-axis, the trimming saw synchronously completes the fixed-length cutting process at both ends of the wooden board.

[0056] The receiving and drilling unit 3 is used to sequentially receive the single wood strips cut by the slicing unit 2, and drill 8 through holes on each single wood strip at the set intervals, and then push the wood strips to the shaping and discharging unit 4; the receiving and drilling unit 3 includes: a pressing device 306, a roller, a moving cylinder 307, an arc slide 305, a drilling cylinder 303, an 8-position drill bit 302, a moving chain 304, and a drill slide rail 301, and the telescopic rod of the drilling cylinder 303 is fixedly connected to the 8-position drill bit 302; the roller is located below the pressing device, and the roller It is used to carry and receive multiple wooden strips output by the slicing unit 2. A clamping cylinder is arranged on the pressing device 306. The clamping cylinder is used to clamp the multiple wooden strips on the conveying roller. The moving cylinder 307 is used to move the clamped multiple wooden strips to the arc slide 305 along the positive direction of the X-axis. Then the clamping cylinder is released, and each wooden strip slides to the drilling position in turn. The 8-position drill bit 302 extends out and drills holes under the drive of the drilling cylinder. After drilling, the drilling cylinder is reset, and the moving chain 304 pushes the drilled wooden strips to the shaping and discharging unit 4 along the positive direction of the Y-axis.

[0057] The shaping and discharging unit 4 is used to sequentially receive the single wooden strips after drilling, and arrange the wooden strips into N pieces at equal intervals along the X-axis direction as a whole board of wooden strips, and then transport the whole board of wooden strips along the Y-axis forward to the cutting and installing spacer unit; the shaping and discharging unit 4 includes: a conveying table 401, a screw 404, a synchronous belt 402, and a moving frame 403; the screw 404 is arranged below the conveying table 401, and the screw 404 is used to drive the conveying table 401 to reciprocate along the X-axis direction, and a container is arranged on the conveying table 401 There are equally spaced grooves for the whole board of wooden strips to slide through in the positive direction of the Y-axis. There are two synchronous belts 402, which are distributed along the Y-axis direction. A pushing baffle and a telescopic cylinder are provided on the movable frame 403. The telescopic cylinder is installed along the Z-axis direction. The telescopic rod under the telescopic cylinder is fixedly connected to the pushing baffle. The two ends of the movable frame 403 are respectively fixedly connected to the synchronous belt 402. When the synchronous belt 402 moves along the Y-axis direction, the pushing baffle can push the whole board of wooden strips in the positive direction of the Y-axis to the cutting and installing spacer unit.

[0058] The spacer cutting and installation unit includes: a spacer cutting and conveying device 5 and a wood strip conveying device 6. The spacer cutting and conveying device 5 is used to cut the disc-shaped tube into spacers of set length. The spacers fall into the vibration plate, and the vibration plate arranges the cut spacers neatly and pushes them to the pipe arrangement assembly. The pipe arrangement assembly is used to sequentially convey the spacers to positions concentric with the through holes on the whole board of wood strips; the wood strip conveying device 6 is used to receive the whole board of wood strips and move the whole board of wood strips in the positive direction along the Y-axis according to the set program.

[0059] The spacer sleeve cutting and conveying device 5 includes: a coil conveying device, a pipe cutter 504, a vibrating screen 505, a vibrating plate 506, and a pipe arrangement assembly; the coil conveying device includes: a coil box 501 and a pair of roller guide wheels 502; during use, the coil is placed in the coil box 501, and the pair of roller guide wheels 502 roll towards each other to guide the coil 503 to the pipe cutter 504, and the pipe cutter 504 cuts the coil 503 into the fixed length required for the spacer sleeve and then drops it into the vibrating screen 505. When the vibrating screen 505 vibrates, the spacer sleeve 608 is vibrated onto the vibrating plate 506, and the vibrating plate 506 slides the spacer sleeve 608 down into the pipe arrangement assembly to be queued and delivered during the vibration process.

[0060] The pipe arrangement assembly includes: a rotating toggle plate 603, a spacer storage groove 606, a spacer comb 607, and a ramp roller 605; the spacer storage groove 606 is placed horizontally along the X-axis direction, and the spacer storage groove 606 is an open U-shaped groove. The two sides of the spacer storage groove 606 are provided with slots equal to the width of the spacer 608, and the widths of the two sides of the adjacent slots are equal to the width of the wood strip; the rotating toggle plate 603 is located at the upper end of the spacer storage groove 606, and the rotating toggle plate 603 is used to toggle the spacer 608 along the The X-axis moves forward to the spacer storage groove 606, and the spacer comb teeth 607 are arranged in the groove on one side of the wall of the spacer storage groove. The front end of the spacer comb teeth is comb-shaped. The spacer comb teeth 607 are driven by the cylinder 604 to move forward and backward along the Y-axis direction. The ramp roller 605 is N grooves arranged at equal intervals. The entrance of each groove is connected with the groove on the other side of the spacer storage groove 606. The cross-sectional shape of each groove along the XZ plane is equal to the cross-sectional shape of the groove, and the cross-sectional shape along the YZ plane is an inverted L shape (such as Fig.12As shown), the width of each groove is equal to the width of the groove on the spacer storage groove 606; during operation, when there are N wooden strips in the whole board, N-1 spacers need to be placed in the through holes opened between the wooden strips each time. For this purpose, the rotating toggle piece 603 conveys 2*(N-1) mutually contacting and axially concentric spacers 608 to the spacer storage groove 606 each time, but when the spacer comb teeth 607 are pushed forward along the positive direction of the Y axis, only N-1 spacers 608 are pushed forward into the ramp raceway 605 in the positive direction of the Y axis each time. At this time, there are N-1 spacers that do not contact each other left in the spacer storage groove 606. In the next step, N-1 spacers 608 are pushed into the spacer storage groove 606 in the positive direction of the X axis in sequence. At the same time, the original N-1 spacers 608 that do not contact each other are moved in the positive direction of the X axis in sequence and squeezed together; to facilitate the next advancement.

[0061] See also Figures 9 to 12 The wood strip conveying device 6 includes: a conveying table 602, a conveying chain 610, a sliding frame 601, and a sliding rod; N U-shaped slides for storing wood strips are arranged on the conveying table 602 along the Y-axis direction, and there are upwardly protruding ribs 611 between each U-shaped slide, and a narrow slit 613 is opened at the bottom of the U-shaped slide. The conveying chain 610 is arranged below the conveying table 602, and the sliding frames 601 distributed along the X-axis direction are fixedly connected to the conveying chain 610. The lower parts of the two ends of the sliding frame 601 are slidably matched with the sliding rod, and N sliders are fixedly connected to the upper part of the sliding frame 601. The sliders pass upward through the narrow slits 613 in the U-shaped slides. When the sliding frame 601 slides along the Y-axis direction driven by the conveying chain 610, the sliders push the wood strips 609 to move forward along the Y-axis.

[0062] A concave semicircular groove 612 is provided on the rib 611 of the conveying table 602 just below the end of the inverted L-shaped groove. The semicircular groove 612 is used to receive the spacer 608 falling along the ramp raceway 605. The diameter of the semicircular groove 612 is equal to the outer diameter of the spacer 608.

[0063] See also Fig.14The insertion pin unit 7 is used to insert the pin 704 into the through hole of the whole board wood strip along the positive direction of the X axis; the insertion pin unit 7 includes: a pin placement groove 701, a pin roller 705, a pin guide groove 703, and a push rod cylinder 702, and the pin guide groove 703 is located at the lower part of the pin roller 705; the pin placement groove 701 is an open V-shape, the pin roller 705 is cylindrical, and the pin roller 705 is located at the lower part of the pin placement groove 701. On the circumference of the pin roller 705, There are three grooves evenly distributed along the axial direction, and the grooves are used to accommodate the pin rod 704 to be embedded when the pin rod roller 705 rotates. When the pin rod roller 705 continues to rotate, the pin rod 704 in the groove falls into the pin rod guide groove 703 due to gravity, and the push rod cylinder 702 is located at one end of the pin rod guide groove 703 along the X-axis direction; during operation, when the push rod cylinder 702 moves forward in the positive direction along the X-axis, the pin rod 704 placed on the pin rod guide groove 703 is pushed into the through hole in the wooden strips of the entire board.

[0064] See also Fig.15 The tightening unit 8 is used to install the nut into one end of the pin rod 704 passing through the whole board wood strip, and then tighten the nut by rotating the sleeve; the tightening unit 8 includes: an automatic nut loading machine 802 and a nut locking device; the automatic nut loading machine 802 is a purchased part, and the automatic nut loading machine 802 is placed on the nut machine guide rail 803 set along the X direction, and the nut output position of the automatic nut loading machine 802 corresponds to the pin rod 704 located in the whole board wood strip; the nut locking device includes: a pneumatic socket wrench 804, a tightening seat, and a wrench pushing cylinder 805. The pneumatic socket wrench 804 is installed on the tightening seat, and the tightening seat is installed on the wrench guide rail 806 set along the X-axis direction. The wrench pushing cylinder 805 is connected between the tightening seat and the frame.

[0065] As a preferred embodiment of the present invention, the nut locking device also includes: an X-direction clamping cylinder 807, a clamping block 808, and a Z-direction clamping cylinder 809. The fixing seat is provided with an X-direction clamping cylinder, and the X-direction clamping cylinder and the X-direction clamping cylinder provided on the fixing seat move toward each other to clamp the locking rod 704 and the whole board of wood strips along the X-axis direction, and the Z-direction clamping cylinder 809 cooperates with the clamping block 808 to clamp and position the locking rod and the whole board of wood strips along the Z-axis direction. This is conducive to tightening the nut on the pin with a pneumatic socket wrench.

[0066] The transfer unit 9 is used to receive the whole board of wood strips after the installation and tightening of the pin rod; the transfer unit includes: a pressure wheel, a guide roller group; a cylinder-driven lifting device is arranged on the upper part of the pressure wheel, and the guide roller group includes an active roller and a passive roller, and the active roller is located below the pressure roller. When the pressure roller is pressed down by the cylinder drive, the whole board of wood strips moves forward along the Y-axis to the passive roller under the action of the active roller. Since the device adopted by the transfer unit is a common part on the market, it is not described in detail in this embodiment.

[0067] The automated bamboo raft forming system of the present invention includes, during operation, cylinders, chains, rollers, active rollers, pipe cutters, trimming saws, multi-blade saws, drilling machines, rotary toggle plates, automatic nut machines, pneumatic socket wrenches, position sensors, pressure sensors, pneumatic valves, drive motors, and air compressors that perform various motion functions, all of which are controlled by an industrial PC or PLC and move synchronously according to a set program.

[0068] The automatic bamboo raft forming system of the present invention utilizes the units of feeding and pre-arrangement, slicing, collecting and drilling, shaping and arranging, cutting and installing spacers, inserting pins, and tightening to automatically trim the edges of a whole wooden board or bamboo board, cut it into wooden strips and then drill holes, cut the coil into spacers, and then arrange multiple wooden strips at equal intervals, put spacers in the intervals, and then install and tighten the pins to form a whole-board fence. The whole process is completed by an industrial computer or PLC, with a high degree of automation, which greatly improves work efficiency. The assembled whole-board fence is transported to a railing with a fixed interval for installation, which is conducive to rapid assembly into an integral fence, improves the work efficiency of on-site assembly, and greatly saves labor costs.

[0069] In the description of the present invention, it is necessary to understand that the terms "length", "width", "up", "down", "front", "back", "horizontal", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0070] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix", "fixed", "fixed connection" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0071] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

Claims

1. The automatic forming system of wooden fence includes eight units, namely: feeding and pre-arranging unit, slicing unit, collecting and drilling unit, shaping and discharging unit, cutting and installing spacer unit, inserting pin unit, tightening unit and transfer unit; The slicing unit is a multi-blade saw, which is used to saw and process a single wooden board or bamboo piece into multiple wooden strips of the same size; Features: The feeding and pre-sorting unit comprises: a paddle conveying chain, a trimming saw, and a conveying roller; the feeding and pre-sorting unit is used to convey the multiple wooden boards stacked in the material bin one by one by the paddle conveying chain to the trimming saw to be cut into fixed-length blank boards, and then convey them to the slicing unit through rollers; at least two groups of paddle conveying chains are arranged in parallel along the X-axis direction of the wooden board, and there are two trimming saws, and the paddle conveying chain and the trimming saw are both installed on the slide rail along the Y-axis direction, and the trimming saw is used for fixed-length cutting of the wooden board; The receiving and drilling unit comprises: a pressing device, a roller, a moving cylinder, an arc slide, a drilling cylinder, a drill bit, a moving chain and a drill bit slide rail; the receiving and drilling unit is used to sequentially receive the single wood strips cut by the slicing unit, and drill at least two through holes on each single wood strip at a set interval at the same time, and then push the wood strips to the shaping and discharging unit; The telescopic rod of the drilling cylinder is fixedly connected to the drill bit; there are 8 drill bits in total, the roller is located below the pressing device, the roller is used to carry and receive multiple wooden strips output by the slicing unit, the pressing device is provided with a clamping cylinder, the clamping cylinder is used to clamp the multiple wooden strips on the conveying roller, the moving cylinder is used to move the clamped multiple wooden strips along the positive direction of the X-axis to the arc-shaped slideway, and the moving chain is used to push the drilled wooden strips to the shaping and discharging unit along the positive direction of the Y-axis; The shaping and discharging unit includes: a conveying table, a lead screw, a synchronous belt, and a mobile frame; the shaping and discharging unit is used to sequentially receive single wooden strips after drilling, and arrange the set number of wooden strips at equal intervals into whole-board wooden strips along the X-axis direction, and then transport the whole-board wooden strips to the cutting and installing spacer unit along the Y-axis in the positive direction; the lead screw is arranged below the conveying table, and is used to drive the conveying table to reciprocate along the X-axis direction, and the conveying table is provided with equally spaced grooves for accommodating the whole-board wooden strips to slide through along the Y-axis in the positive direction, and there are two synchronous belts, which are distributed along the Y-axis direction, and the mobile frame is provided with a pushing baffle and a telescopic cylinder, and the telescopic cylinder is installed along the Z-axis direction, and the telescopic rod below the telescopic cylinder is fixedly connected to the pushing baffle, and the two ends of the mobile frame are respectively fixedly connected to the synchronous belt; The spacer cutting and installation unit comprises: a spacer cutting and conveying device and a wood strip conveying device. The spacer cutting and conveying device is used to cut the coil into spacers of set length. The spacers fall into the vibration plate. The vibration plate arranges the cut spacers neatly and pushes them to the pipe arrangement assembly. The pipe arrangement assembly is used to sequentially convey the spacers to positions concentric with the through holes on the whole board of wood strips. The wood strip conveying device is used to receive the whole board of wood strips and move the whole board of wood strips along the Y axis in a positive direction in a time-sharing manner according to the set program. The spacer sleeve cutting and conveying device comprises: a coil conveying device, a pipe cutting machine, a vibrating screen, a vibrating plate, and a pipe arrangement assembly; the coil conveying device comprises: a coil box and a pair of roller guide wheels; the pair of roller guide wheels are used to guide the coil to the pipe cutting machine, the pipe cutting machine is used to cut the coil into spacers according to a fixed length, the vibrating screen is used to receive the spacers and vibrate the spacers onto the vibrating plate, and the vibrating plate is used to slide the spacers down into the pipe arrangement assembly during the vibration process; The pipe arrangement assembly comprises: a rotating toggle plate, a spacer storage slot, a spacer comb teeth, and a ramp roller; the spacer storage slot is horizontally placed along the X-axis direction, the spacer storage slot is an open U-shaped slot, and slots equal to the width of the spacer are opened on both sides of the spacer storage slot, and the widths of the adjacent slots are equal to the width of the wooden strip; the rotating toggle plate is located at the upper part of the head end of the spacer storage slot, and the rotating toggle plate is used to toggle the spacer to move along the positive direction of the X-axis to the spacer storage slot, the spacer comb teeth are arranged in the slot on one side of the spacer storage slot, the front end of the spacer comb teeth is comb-shaped, and the spacer comb teeth are driven by the provided cylinder to move forward and backward along the Y-axis direction, and the ramp roller is N slots arranged at equal intervals, and the entrance of each slot is connected to the slot on the other side of the spacer storage slot, the cross-sectional shape of each slot along the XZ plane is equal to the cross-sectional shape of the slot, and the cross-sectional shape along the YZ plane is an inverted L shape, and the width of each slot is equal to the width of the slot; The wood strip conveying device comprises: a conveying table, a conveying chain, a sliding frame, and a sliding rod; a U-shaped slideway for storing wood strips is arranged on the conveying table along the Y-axis direction, and upwardly protruding ribs are arranged between each U-shaped slideway, and a narrow slit is opened at the bottom of the U-shaped slideway, the conveying chain is arranged below the conveying table, and sliding frames distributed along the X-axis direction are fixedly connected to the conveying chain, and the lower parts of both ends of the sliding frame are slidably matched with the sliding rod, and a slider is fixedly connected to the upper part of the sliding frame, and the slider passes upward through the narrow slit in the U-shaped slideway, and the slider is used to push the wood strip to move forward along the Y-axis; The front end of the rib is located just below the end of the inverted L-shaped groove. A concave semicircular groove is provided on the upper part of the front end of the rib. The semicircular groove is used to receive the spacer sleeve falling along the ramp raceway. The diameter of the semicircular groove is equal to the outer diameter of the spacer sleeve. The pin rod insertion unit includes: a pin rod placement groove, a pin rod roller, a pin rod guide groove, and a push rod cylinder; the pin rod insertion unit is used to insert the pin rod into the through hole of the whole board wood strip along the positive direction of the X-axis; the tightening unit includes: an automatic nut installation machine and a nut locking device; the tightening unit is used to install a nut into one end of the pin rod passing through the through hole of the whole board wood strip, and then tighten the nut by rotating the sleeve; the transfer unit is used to receive the whole board wood strip after the pin rod is installed and tightened.

2. The automatic forming system for wooden fences as claimed in claim 1, characterized in that: In the inserted pin unit, the pin guide groove is located at the lower part of the pin roller; the pin placement groove is an open V-shape, the pin roller is cylindrical, the pin roller is located at the lower part of the pin placement groove, and on the circumference of the pin roller, at least two grooves are evenly distributed along the axial direction, the groove is used to accommodate the pin when the pin roller rotates, and when the pin roller continues to rotate, the pin falls into the pin guide groove; the push rod cylinder is located at one end of the pin guide groove along the X-axis direction; the push rod cylinder is used to push the pin placed on the pin guide groove into the through hole in the whole board wood strip along the positive direction of the X-axis.

3. The automatic forming system for wooden fences as claimed in claim 1, characterized in that: In the tightening unit, the automatic nut loading machine is placed on a nut machine guide rail arranged along the X direction, and the nut output position of the automatic nut loading machine corresponds to the pin rod located in the whole board wood strip; the nut locking device includes: a pneumatic socket wrench, a tightening seat, and a wrench pushing cylinder. The pneumatic socket wrench is installed on the tightening seat, and the tightening seat is installed on the wrench guide rail arranged along the X-axis direction. The wrench pushing cylinder is connected between the tightening seat and the frame.

4. The automatic forming system for wooden fences as claimed in claim 3, characterized in that: In the tightening unit, the nut locking device also includes: an X-direction clamping cylinder, a clamping block, and a Z-direction clamping cylinder. The tightening seat is provided with an X-direction clamping cylinder. The X-direction clamping cylinder moves toward the X-direction clamping cylinder provided on the tightening seat, and the Z-direction clamping cylinder moves toward the clamping block.

5. The automatic forming system for wooden fences as claimed in claim 1, characterized in that: The wooden fence automatic forming system is provided with an industrial PC or PLC, and the industrial PC or PLC is used to control each unit in the system to act according to a set program.

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