Bending bamboo strip sorting device

Abstract

The present invention provides a device for sorting bent bamboo pieces, which can sort the green and yellow sides of the bent bamboo pieces in one direction. It includes a sleeve and two shift forks at both ends of the sleeve; the sleeve is e-shaped, with an inner sleeve and an outer sleeve, forming a double-layer structure, and a gap is formed between the inner sleeve and the outer sleeve; the shift fork includes a plurality of shift rods extending along the radial direction of the sleeve, and the two shift forks are connected to a shift fork driving device located in the sleeve that drives the shift fork to rotate around the axis of the sleeve; there is a lateral outlet between the side of the inner sleeve and the side of the outer sleeve away from the axis; there are a plurality of elastic sheets in the gap, in the radial direction of the sleeve, the inner end of the elastic sheet is connected to the inner sleeve wall, and the outer end extends toward the outer sleeve wall to form a warping shape, and the bamboo pieces in the gap are pressed against the outer sleeve wall by the elasticity of the elastic sheet and the warping outer end of the elastic sheet, and the radial distance j from the outer end of the elastic sheet used to press the bamboo pieces to the outer sleeve wall in a free state satisfies 0.5h≤j≤0.7h, and the thickness of the bamboo piece is h.

Description

Technical Field

[0001] This patent relates to bamboo processing equipment, specifically, a bent bamboo slice sorting device that, after the bent original bamboo is split into bent bamboo slices, arranges the bent bamboo slices so that their green surfaces or yellow surfaces face in one direction. Background Art

[0002] When processing bamboo composite materials, the original bamboo needs to be split into several bamboo pieces of equal width according to the original bamboo diameter, and then the bamboo pieces are sliced ​​and processed into bamboo strips. Since the green and yellow sides of the bamboo pieces are unusable parts in production, they need to be removed by a slicer. In the slicer, the green and yellow sides of the bamboo need to correspond to different knives respectively so that they can be sliced ​​and removed efficiently at one time. Therefore, after the slicer, the bamboo pieces need to be arranged in order with the green or yellow side facing in one direction and then sent one by one into the slicer for processing.

[0003] At present, domestic bamboo composite material processing enterprises cannot arrange the bamboo slices in order with the green side or the yellow side facing up or down. When processing on the slicer, many operators need to be arranged to select the side and feed the slicer with bamboo slices, which increases the number of operators. In addition, because there are many fiber burrs on the bamboo slices and uneven bamboo nodes on the yellow side, they often stab the workers, increasing the danger of operation. Therefore, it is very important to arrange the bamboo slices in order with the green side or the yellow side facing in one direction after the slicer is processed.

[0004] Furthermore, in the production process of bamboo composite materials, the rod shape of the raw bamboo used for production cannot be all straight, and there will be some curved bamboos. The bamboo pieces after these curved raw bamboos are split and split are also curved. If these curved bamboo pieces are naturally piled together after splitting, it will be more difficult to separate, bundle and transport, and seriously affect the production efficiency. In production, the enterprise arranges workers to cut the raw bamboo with large curvature into short raw bamboos, so that the curvature of the raw bamboo is reduced, and the curvature of the produced bamboo pieces is also small, which is conducive to subsequent production and processing. However, in production, there are always some raw bamboos that still have a large curvature after cutting, or raw bamboos with large curvature and short length. These raw bamboos cannot be cut again. If the raw bamboos with a certain curvature and short length are cut again, there will be a lot of short bamboo pieces in production, which will inevitably increase the workload and production cost of subsequent processes. Since the curved bamboo pieces are very unfavorable for mechanized transportation and processing, it is more difficult to collect the curved bamboo pieces and arrange them in an orderly manner with the bamboo green or bamboo spring facing in one direction. Summary of the invention

[0005] The purpose of this patent is to provide a bent bamboo piece sorting device that can sequentially sort the green side and the yellow side of the bent bamboo piece in one direction.

[0006] To achieve the above purpose, the technical solution adopted by this patent is:

[0007] The bent bamboo strip sorting device comprises a sleeve and two shift forks at both ends of the sleeve; the sleeve is in an E shape, and has an inner sleeve and an outer sleeve to form a double-layer structure, and a gap is formed between the inner sleeve and the outer sleeve;

[0008] There are multiple elastic sheets in the gap. In the radial direction of the sleeve, the inner end of the elastic sheet is connected to the inner tube wall, and the outer end extends toward the outer tube wall to form a warped shape. The warped outer end of the elastic sheet presses the bamboo sheet in the gap against the outer tube wall through the elasticity of the elastic sheet; in the axial direction of the sleeve, the elastic sheet is in an inclined warped state, and the inner end close to the inner tube wall is behind the outer end close to the outer tube wall, so that the bamboo sheet can enter the sleeve gap from back to front along the axial direction; in the circumferential direction of the sleeve, the side of the elastic sheet close to the lateral outlet of the sleeve is the proximal side edge, and the side of the elastic sheet far from the lateral outlet of the sleeve is the distal side edge. For the distal side edge of an elastic sheet and the proximal side edge of another elastic sheet adjacent to each other in the circumferential direction of the sleeve, the distal side edge of the elastic sheet is closer to the axis of the sleeve. The radial distance j from the outer end of the elastic sheet used to press the bamboo sheet to the outer tube wall in a free state satisfies 0.5h≤j≤0.7h, and the thickness of the bamboo sheet is h;

[0009] The shift fork includes a plurality of shift rods extending along the radial direction of the sleeve, and the two shift forks are connected to a shift fork driving device located in the sleeve and driving the shift fork to rotate around the axis of the sleeve; a lateral outlet is between the side of the inner cylinder and the side of the outer cylinder away from the axis; when the bamboo piece passes through the gap between the inner cylinder and the outer cylinder axially, the two ends of the bamboo piece are located between two adjacent shift rods of the two shift forks, and the shift forks rotate, pushing the bamboo piece to move along the gap in the circumferential direction of the sleeve toward the lateral outlet, and come out from the lateral outlet.

[0010] Of the elastic sheet distal edge and elastic sheet proximal edge adjacent in the circumferential direction of the sleeve, the elastic sheet distal edge is closer to the sleeve axis, and the elastic sheet proximal edge is away from the sleeve axis. That is to say, the elastic sheet close to the lateral outlet of the sleeve will not block the lateral movement of the bamboo sheet, and the bamboo sheet can move smoothly toward the lateral outlet.

[0011] The above-mentioned bent bamboo strip sorting device has multiple groups of elastic sheets in the sleeve, and the elastic sheets in each group are arranged in a ring shape, and the elastic sheets in each group are arranged at intervals in the axial direction of the sleeve. For example, there are a total of three groups of elastic sheets, one group in the axial middle part and one group at both ends of the sleeve.

[0012] The above-mentioned bent bamboo strip sorting device has multiple groups of elastic sheets in the sleeve, and the elastic sheets in each group are arranged in a spiral shape; each group of elastic sheets is arranged at intervals in the axial direction of the sleeve. There are three groups of elastic sheets in total, one group in the axial middle part and one group at both ends of the sleeve.

[0013] The purpose of setting the elastic sheet is to utilize its elasticity to dynamically adjust the size of the gap in the sleeve, prevent the bamboo pieces from rolling and overlapping in the gap, and press bamboo pieces of different thicknesses and curvatures onto the outer tube, so that the bamboo pieces can always fit with the outer tube wall when moving in the gap, that is, to make the bamboo pieces basically tangent to the outer tube wall, and prevent the bamboo pieces from forming a cut-off state and overlapping with the outer tube wall. In this way, side contact is basically formed between the circumferentially adjacent bamboo pieces, which makes the movement of the bamboo pieces smoother.

[0014] However, the elastic sheet should not hinder the bamboo piece from entering the gap from back to front along the axial direction of the sleeve. Therefore, the inner end of the elastic sheet connected to the inner tube wall should be at the back (close to the rear end of the sleeve), and the raised outer end extending toward the outer tube wall should be at the front (close to the front end of the sleeve), forming an inclined state in which the inner end at the rear is low (close to the axis of the sleeve) and the outer end at the front is high (far away from the axis of the sleeve), so that the bamboo piece can smoothly enter the gap axially.

[0015] In addition, the elastic sheet provided cannot hinder the movement of the bamboo sheet along the circumference of the sleeve in the gap toward the lateral outlet of the sleeve. Therefore, for the distal edge of an elastic sheet and the proximal edge of another elastic sheet that are adjacent in the circumferential direction, the distal edge is closer to the axis of the sleeve than the proximal edge, that is, the proximal edge is high (far away from the axis of the sleeve) and the distal edge is low (close to the axis of the sleeve). In this way, in the two elastic sheets that are adjacent in the circumferential direction of the sleeve, the proximal edge is above the distal edge, and the side edges of the circumferentially adjacent elastic sheets in each group of elastic sheets form an overlapping state. In this way, the bamboo sheet moves along the circumference of the sleeve in the gap without any obstruction from the previous elastic sheet to the next elastic sheet, and the bamboo sheet can move smoothly toward the lateral outlet direction.

[0016] The multiple sets of elastic sheets arranged at intervals in the axial direction of the sleeve can press the bamboo pieces that are warped or bent in the length direction (some bamboo pieces are far from the axis and some are close to the axis at different positions in the axial direction) against the outer wall of the outer tube as a whole to prevent them from warping or bending, making the bamboo pieces straight and ensuring their smooth movement along the circumferential direction. For example, see Fig.11 The warped and bent bamboo pieces represented by the dotted lines in the figure are pressed and fitted onto the outer wall of the outer cylinder 42 as a whole under the action of the elastic pieces 6 in the three groups of elastic pieces 60, and the bamboo pieces 101 shown by the solid lines are in a straight state.

[0017] The above-mentioned bent bamboo chip sorting device also has a carrier plate located at the lateral outlet of the sleeve and used to receive the bamboo chips coming out of the lateral outlet, and the carrier plate is butted against the side of the outer cylinder; at the upper end of the lateral outlet of the sleeve, an elastic pressing plate is provided to press the bamboo chips coming out of the lateral outlet onto the carrier plate. Preferably, there are multiple elastic pressing plates, which are arranged at intervals on the side of the inner cylinder at the lateral outlet of the sleeve. It also includes a flat plate located above the carrier plate, and the distance between the flat plate and the carrier plate is slightly greater than the thickness of the bamboo chips. The carrier plate receives the bamboo chips coming out of the lateral outlet of the sleeve for subsequent operations. In order to prevent the bamboo chips coming out of the lateral outlet from turning over, resulting in the bamboo green side or the bamboo yellow side of the bamboo chips not facing in one direction, an elastic pressing plate is provided to press the bamboo chips onto the carrier plate. The elastic pressing plate not only facilitates the lateral movement of the bamboo chips, but also prevents the bamboo chips from turning over on the carrier plate.

[0018] In the above-mentioned bent bamboo piece sorting device, the inner cylinder and the outer cylinder are both mesh-shaped with leak holes. The mesh-shaped inner cylinder and the outer cylinder are convenient for discharging small debris etc. generated during the processing.

[0019] The above-mentioned bent bamboo chip sorting device also includes a clamping and conveying device. Considering that the bamboo chips are arranged in a ring shape during the splitting process of the original bamboo, the clamping and conveying device is used to clamp the bamboo chips in the radial direction and convey the bamboo chips in the axial direction while keeping the positions of the bamboo chips independent and unchanged. The clamping and conveying device includes an inner ring that moves on an axis coaxial with the sleeve, at least two clamping half rings are arranged in the circumference of the inner ring, the clamping half ring is connected to a clamping power device that drives it to move along the radial direction of the inner ring, and the clamping power device is connected to a conveying power device that drives it to move axially;

[0020] The clamping half ring is driven by the clamping power device to clamp the bamboo pieces arranged in an annular shape on the inner ring, and the conveying power device drives the clamping power device, the clamped bamboo pieces and the inner ring to move axially.

[0021] In the above-mentioned bent bamboo piece sorting device, the inner ring is connected to an inner ring moving power device which drives the inner ring to move along the axis.

[0022] The above-mentioned bamboo chip sorting device also includes a conical cylinder, at least two pressing half rings are arranged in the circumference of the conical cylinder, and the pressing half rings are connected to a pressing power device that drives them to move along the radial direction of the conical cylinder; the conical cylinder is coaxial with the sleeve and is located behind the sleeve.

[0023] The bamboo chip sorting device is provided with a scraper ring around the outer periphery of the conical cylinder.

[0024] The beneficial effects of this patent are as follows: when in use, the original bamboo with the small end at the front and the large end at the back moves axially from the back to the front under the push of the impact pushing device, and the splitting knife ring gradually splits the original bamboo from its small end, so that the original bamboo is split into bamboo pieces of equal width in the circumferential direction.

[0025] When the bamboo pieces arranged in an annular shape pass between the conical cylinder and the pressing half ring, the pressing half ring, driven by the pressing power device, presses the bamboo pieces against the scraping ring, and the scraping ring scrapes off the inner nodes on the bamboo pieces.

[0026] When the clamping conveying device is before the sorting device, the original bamboo is pushed forward by the power of the collision pushing device, and the bamboo pieces arranged in a ring first pass through the gap between the inner tube and the outer tube of the sleeve, and then the front end of the bamboo piece extends between the inner ring and the clamping half ring. When the original bamboo loses the power of the collision pushing device, the clamping half ring clamps the front end of the bamboo piece between the inner ring and the clamping half ring under the drive of the clamping power device. Then the conveying power device is activated to drive the bamboo piece to move axially until the rear end of the bamboo piece with the inner section removed comes out of the inner section removal device, and the two ends of the bamboo piece are located between the two adjacent levers on the two forks. At this time, the conveying power device can stop moving, the bamboo piece no longer moves axially, and the clamping half ring releases the bamboo piece.

[0027] When the clamping conveying device is between the inner segment removal device and the sorting device, the bamboo piece extending from the inner segment removal device first extends into the gap between the inner ring and the clamping half ring and then into the gap of the e-shaped sleeve. When the bamboo piece loses the power of the collision pushing device, the clamping half ring clamps the bamboo piece between the inner ring and the clamping half ring under the drive of the clamping power device. Then the conveying power device is activated to drive the bamboo piece to move axially until the rear end of the bamboo piece with the inner segment removed comes out of the inner segment removal device. At the same time, the front end of the bamboo piece moves forward through the gap between the inner tube and the outer tube of the sleeve, so that the two ends of the bamboo piece are located between the two adjacent shifting rods on the two shifting forks. At this time, the conveying power device can stop moving, the bamboo piece no longer moves axially, and the clamping half ring releases the bamboo piece.

[0028] After the clamping half ring releases the bamboo piece, the clamping half ring moves under the drive of the conveying power device (when the clamping conveying device is before the sorting device, the clamping half ring moves forward; when the clamping conveying device is between the inner segment removal device and the sorting device, the clamping half ring moves backward), so that the end of the bamboo piece escapes from the clamping half ring in the axial direction. Of course, when the clamping conveying device is between the inner segment removal device and the sorting device, if the axial distance between the inner segment removal device and the sorting device is short, when the clamping half ring moves backward to the limit position (the distance between the clamping half ring and the sorting device is the largest), the distance opened by the clamping half ring in the radial direction should be large, and the opening position and opening size between the clamping half rings should not hinder the bamboo piece from moving along the gap to the lateral outlet in the circumferential direction of the sleeve under the push of the shift fork.

[0029] At this time, because the two ends of the bamboo piece are located between the two adjacent levers on the two forks, when the fork driving device is activated, the fork can push the bamboo piece to move along the gap toward the lateral outlet in the circumferential direction of the sleeve. The elastic sheet presses bamboo pieces of different thicknesses and curvatures onto the outer cylinder, so that the bamboo piece can always fit with the outer cylinder wall when moving in the gap, that is, the bamboo piece is basically tangent to the outer cylinder wall, preventing the bamboo piece and the outer cylinder wall from forming a cut state and overlapping each other. In this way, the circumferentially adjacent bamboo pieces basically form side contact, so the bamboo piece will not flip during the circumferential movement of the sleeve, and can only maintain the posture of the yellow bamboo surface facing the inner cylinder of the sleeve in the gap, and there will be no situation where the yellow bamboo surface of the bamboo piece faces the outer cylinder, which ensures that the yellow bamboo surface or the green bamboo surface of each bamboo piece is arranged in a direction. Under the push of the fork, the bamboo pieces come out of the lateral outlet of the sleeve one by one.

[0030] This process achieves the purpose of splitting the original bamboo into bamboo strips, removing the inner nodes of the bamboo strips, and at the same time sorting the green and yellow sides of the bamboo strips in sequence in one direction, eliminating manual sorting and has a high degree of automation and high operating efficiency.

[0031] The fork drive device is located in the sleeve, which can prevent it from interfering with the axial movement and circumferential movement of the bamboo piece. For example, the fork drive device is arranged inside the inner tube and connected to the fork through an axially extending slender shaft to drive the fork to rotate. Of course, the fork drive device belongs to the prior art and will not be described again.

[0032] Each shift fork includes 3-4 shift rods evenly distributed in the circumferential direction.

[0033] There should not be too many levers to prevent them from colliding with the axially moving bamboo pieces.

[0034] Each pressing half ring is staggered in the axial direction to prevent interference between the pressing half rings when pressing the bamboo pieces.

[0035] At least one annular groove is formed on the outer circumference of the conical cylinder, and the annular groove can scrape the inner sections of the bamboo slices.

[0036] The pressing half ring is semicircular.

[0037] The clamping power device is a clamping cylinder.

[0038] The clamping power device is a clamping cylinder.

[0039] The conveying power device is a conveying cylinder, or a mechanical conveying power device including a motor.

[0040] Each clamping half ring is staggered in the axial direction to prevent interference between the clamping half rings when clamping the bamboo pieces.

[0041] The inner ring is connected to an inner ring moving power device that drives it to move along the axis. Preferably, the clamping and conveying device is located between the inner segment removal device and the shift fork in the sorting device, and the inner ring moving power device is arranged inside the conical cylinder in the inner segment removal device. The inner ring moving power device is an inner ring driving cylinder.

[0042] The inner ring is connected to the inner ring moving power device, which makes it easier to actively adjust the axial position, rather than just passively moving axially with the axial movement of the clamping half ring under the clamping of the clamping half ring. When the clamping and conveying device is located between the inner segment removal device and the fork at the rear of the sorting device, it can better play a role in conveying the bamboo pieces, especially when the bamboo pieces cannot completely pass through the sleeve gap only by relying on the push of the collision pushing device. At this time, the clamping and conveying device can relay the bamboo pieces with the inner segments removed, so that the entire bamboo piece can successfully complete the inner segment removal and pass through the sleeve. The inner ring moving power device is located inside the conical cylinder to prevent it from interfering with the axial movement of the bamboo piece. For example, the inner ring moving power device located inside the conical cylinder is connected to the inner ring through a slender rod to drive the inner ring to move axially. The inner ring moving power device belongs to the prior art and will not be described again. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 Schematic diagram of the bamboo chip de-node sorting device of Example 1;

[0044] Figure 2 It is a three-dimensional picture of the original bamboo;

[0045] Figure 3 It is a stereogram of the split knife ring;

[0046] Figure 4 It is a stereoscopic diagram of the device for removing the inner segment;

[0047] Figure 5 is a stereoscopic view of the clamping conveying device;

[0048] Figure 6 It is a stereoscopic picture of the sleeve, shift fork, etc.;

[0049] Figure 7 It is a side view of the sleeve, shift fork, carrier plate, elastic pressure plate, etc.;

[0050] Figure 8 yes Figure 7 A-direction view of the carrier plate, elastic pressure plate, etc.;

[0051] Fig. 9 is a schematic diagram of a bamboo chip de-node sorting device according to Embodiment 2;

[0052] Fig.10 is a side view of the sleeve, the shift fork, the elastic sheet, the carrier plate, the elastic pressure plate, etc. in Example 2;

[0053] Fig.11yes Fig.10 DD section view in;

[0054] Fig.12 yes( Fig.10 (in) Enlarged view of sleeve, elastic pressure plate, etc.;

[0055] Fig.13 yes Fig.12 The B-direction plane development diagram of the inner cylinder and elastic sheet (rotated);

[0056] Fig.14 yes Fig.13 CC section view;

[0057] Fig.15 It is a side view of the sleeve, the shift fork, the elastic sheet, the carrier plate, the elastic pressure plate, the torsion block, the arc plate, etc. in Example 3;

[0058] Fig.16 yes Fig.15 GG profile in;

[0059] Fig.17 yes( Fig.15 (in) enlarged view of the sleeve, elastic sheet, torsion block, curved plate, etc.;

[0060] Fig.18 yes Fig.17 E-direction view of the inner cylinder and elastic sheet (rotation);

[0061] Fig.19 yes Fig.18 FF cross-section diagram;

[0062] Fig. 20 It is a schematic diagram of the torsion block and the arc plate.

[0063] In the figure,

[0064] Splitting knife ring 1, splitting knife 11;

[0065] An inner section removing device 2, a conical cylinder 21, a scraper ring 22, an annular groove 23, a pressing half ring 24, and a pressing cylinder 25;

[0066] Clamping conveying device 3, inner ring 31, center slide bar 32, clamping half ring 33, edge slide bar 34, clamping cylinder 35, inner ring driving cylinder 36;

[0067] Sorting device 4, inner cylinder 41, outer cylinder 42, transverse outlet 43, gap 44, shift fork 45, shift rod 46, carrier plate 47, flat plate 48, sleeve axis 49;

[0068] The impact pushing device 5, the original bamboo 100, and the bamboo pieces 101.

[0069] Elastic sheet 6, a group of elastic sheets 60, inner end 61, outer end 62, distal edge 63, proximal edge 64; first elastic sheet 65, second elastic sheet 66,

[0070] Elastic pressing plate 7, torsion block 8, arc plate 9. DETAILED DESCRIPTION

[0071] Embodiment 1:

[0072] See also Figure 1 The bamboo strip removal and sorting device shown comprises a sorting device 4, a clamping and conveying device 3, an inner segment removal device 2, a splitting knife ring 1, and an impact and pushing device 5 which are arranged in sequence front and back along the axis.

[0073] The impact pushing device 5 is used to push the original bamboo with a small front and a large rear to move forward along the axis, and belongs to the existing technology, such as a pushing cylinder.

[0074] The splitting knife ring 1 has a plurality of splitting knives 11 arranged in the circumferential direction, belongs to the prior art, and is used for splitting the original bamboo 100 pushed by the impact pushing device into bamboo pieces 101 of equal width in the circumferential direction.

[0075] In the inner segment removing device 2, a scraper ring 22 is arranged around the outer periphery of the large end of the tapered cylinder 21, which is smaller at the rear and larger at the front; a plurality of annular grooves 23 are opened on the outer periphery of the tapered cylinder. At least two pressing half rings 24 are arranged in the circumference of the tapered cylinder, and the pressing half rings are connected to a pressing power device, i.e., a pressing cylinder 25, which drives them to move along the radial direction of the tapered cylinder.

[0076] The clamping and conveying device 3 is used to clamp the bamboo pieces in the radial direction and convey the bamboo pieces in the axial direction. In the clamping and conveying device 3, the inner ring 31 is slidably arranged on a central slide bar 32 extending along the axis, and the inner ring 31 is connected to an inner ring moving power device, i.e., an inner ring driving cylinder 36, which drives the inner ring 31 to move along the central slide bar 32. The inner ring driving cylinder is arranged inside the conical cylinder 21.

[0077] At least two clamping half rings 33 are arranged in the circumferential direction of the inner ring 31. The clamping half ring 32 is connected to a clamping power device, i.e., a clamping cylinder 35, which drives it to move along the radial direction of the inner ring. The clamping cylinder 35 is slidably arranged on an edge slide bar 34 extending parallel to the axis. The clamping cylinder 35 is connected to a conveying power device which drives it to slide along the edge slide bar 34. The conveying power device is a conveying oil cylinder, or a mechanical conveying power device including a motor.

[0078] The sorting device 4 mainly includes a sleeve and two shift forks at both ends of the sleeve. The sleeve is e-shaped, with an inner sleeve 41 and an outer sleeve 42, forming a double-layer structure. The height of the gap 44 between the inner sleeve and the outer sleeve (the distance in the radial direction of the sleeve) t satisfies: h<t<2h, and the average thickness of the bamboo pieces is h. Between the side of the inner sleeve and the side of the outer sleeve away from the axis is a lateral outlet 43.

[0079] Each shift fork 45 includes three shift rods 46 that are evenly distributed around the circumference of the sleeve and extend in the radial direction of the sleeve. The two shift forks are connected to a shift fork driving device located inside the inner tube of the sleeve that drives the shift forks to rotate around the axis. The carrier plate 47 is located at the lateral outlet of the sleeve and is used to receive the bamboo pieces coming out of the lateral outlet. The carrier plate 47 is butted against the side of the outer tube at the lateral outlet of the sleeve. One end of the two flat plates 48 is close to the side of the inner tube at the lateral outlet of the sleeve, and the distance between the flat plates 48 and the carrier plate 47 is slightly greater than the thickness of the bamboo pieces.

[0080] When the bamboo piece passes through the gap between the inner tube and the outer tube axially, the two ends of the bamboo piece are located between the two adjacent shifting rods of the two shifting forks, and the shifting forks rotate to push the bamboo piece to move along the gap toward the lateral outlet along the circumference of the sleeve, and come out from the lateral outlet to reach the carrier plate 47.

[0081] When the device of Example 1 is in use, the raw bamboo with the small end at the front and the large end at the back moves axially from the back to the front under the action of the impact pushing device, and the splitting knife ring gradually splits the raw bamboo from its small end, so that the raw bamboo is split in the circumferential direction to form bamboo slices.

[0082] When the bamboo pieces arranged in a ring shape pass between the conical cylinder and the pressing half ring, the pressing half ring, driven by the pressing power device, presses the bamboo pieces onto the scraping ring, and the scraping ring scrapes off the inner nodes on the bamboo pieces.

[0083] The bamboo pieces arranged in a ring continue to move forward under the action of the impact force, and the front part of the bamboo pieces extends between the inner ring and the clamping half ring, and then enters the gap of the E-shaped sleeve. When the bamboo pieces lose the impact force, the clamping half ring clamps the bamboo pieces between the inner ring and the clamping half ring under the drive of the clamping power device.

[0084] The conveying power device is activated, driving the bamboo piece to move axially, so that the whole original bamboo is completely split into bamboo pieces arranged in a ring by the splitting knife ring, and the inner sections on the bamboo piece are removed by the scraping ring. At the same time, the bamboo piece enters the gap in the E-type sleeve until the rear end of the bamboo piece comes out of the inner section removal device, and the two ends of the bamboo piece are located between the two adjacent levers on the two forks. The conveying power device can be stopped, the bamboo piece no longer moves axially, the clamping half ring releases the bamboo piece, and then the clamping half ring moves driven by the conveying power device, so that the rear end of the bamboo piece is axially disengaged from the clamping half ring. Then the fork driving device is activated, and the fork pushes the bamboo piece to move along the gap in the circumference of the sleeve toward the lateral outlet. Since the sleeve gap height t satisfies h<t<2h and is smaller than the bamboo strip width, the bamboo strip will not flip during the circumferential movement and can only maintain the posture of the yellow side facing the inner tube of the sleeve in the sleeve gap, and will not face the outer tube. This ensures that the yellow side or green side of each bamboo strip is arranged in the same direction. Under the push of the fork, the bamboo strips come out from the sleeve lateral outlet one by one and enter between the carrier plate and the flat plate.

[0085] Embodiment 2:

[0086] The bamboo strip de-node sorting device of Example 2 is mainly different from that of Example 1 in the sorting device.

[0087] Compared with the first embodiment, the sorting device 4 of the second embodiment has an elastic sheet 6 and an elastic pressure plate 7. Of course, since the elastic sheet 6 is provided in the gap 44 between the inner cylinder and the outer cylinder in the second embodiment, the height of the gap 44 between the inner cylinder and the outer cylinder in the second embodiment can be larger than that in the first embodiment, as long as the distance j from the outer end 62 of the elastic sheet 6 used to press the bamboo piece to the outer cylinder wall (the distance in the radial direction of the sleeve) in the free state satisfies: 0.5h≤j≤0.7h, and the average thickness of the bamboo piece is h. In this way, after the bamboo piece enters the gap 44, the bamboo piece 101 is pressed tightly against the outer cylinder wall by the elastic sheet 6 and will not turn over. At this time, there is no special requirement for the height t of the gap 44 between the inner cylinder and the outer cylinder, even if t≥2h is OK.

[0088] The differences are described in detail below.

[0089] On the side of the inner cylinder at the lateral outlet 43 of the sleeve, a plurality of elastic pressing plates 7 are arranged at intervals to press the bamboo pieces coming out of the lateral outlet onto the carrier plate.

[0090] There are three groups of elastic sheets 6 in the sleeve gap 44. Each group of elastic sheets is arranged in a spiral shape. There is one group of elastic sheets 60 in the axial middle and at both ends of the sleeve.

[0091] In the radial direction of the sleeve, the inner end 61 of the elastic sheet 6 is connected to the inner tube wall, and the outer end 62 extends toward the outer tube wall, and the bamboo sheet 101 in the gap is pressed against the outer tube wall of the outer tube 42 by the outer end 62 of the elastic sheet; in the axial direction of the sleeve, the inner end 61 of the elastic sheet is behind the outer end 62, so that the bamboo sheet can enter the gap from the back to the front along the axial direction; in the circumferential direction of the sleeve, the side of the elastic sheet close to the lateral outlet of the sleeve is the proximal side edge 64, and the side of the elastic sheet far from the lateral outlet of the sleeve is the distal side edge 63. For two circumferentially adjacent elastic sheets, the distal side edge 63 of the first elastic sheet 65 is closer to the sleeve axis 49 than the proximal side edge 64 of the second elastic sheet 66, that is, in the two circumferentially adjacent elastic sheets of the sleeve, the proximal side edge is above the distal side edge, and the circumferentially adjacent elastic sheets in each group of elastic sheets form a superimposed state, so that the bamboo sheet can smoothly move toward the lateral outlet direction along the circumference of the sleeve in the gap. So that the bamboo sheet can move toward the lateral outlet under the push of the shift fork.

[0092] When the device of Example 2 is used, since the elastic sheet 6 in the free state is used to compress the distance j from the outer end 62 of the bamboo sheet to the outer cylinder wall (the distance in the radial direction of the sleeve) satisfies 0.5h≤j≤0.7h, after the bamboo sheet enters the gap 44, it enters the gap formed by the elastic sheet and the outer cylinder wall. The bamboo sheet 101 is pressed and fitted against the outer cylinder wall by the elastic sheet 6 and will not flip over. It can only maintain the posture with the yellow surface facing the inner cylinder of the sleeve in the gap, and the yellow surface of the bamboo sheet will not face the outer cylinder. This ensures that the yellow surface or green surface of each bamboo sheet is arranged in sequence in one direction.

[0093] Embodiment 3:

[0094] See also Figure 15-19 As shown, the main difference between Example 3 and Example 2 is that the shape of the elastic sheet, its specific connection structure with the inner cylinder, and the arrangement method on the inner cylinder are different, which are described in detail below.

[0095] In the radial direction of the sleeve, the inner end 61 of the elastic sheet 6 is indirectly connected to the inner cylinder wall through the torsion block 8 and the arc plate 9. The arc plate 9 is attached to the circumference of the inner cylinder 41. The rear end of the torsion block 8 is connected to the front end of the arc plate 9. The end of the front end of the torsion block 8 close to the inner cylinder is connected to the inner end 61 of the elastic sheet 6 (see the connection between the torsion block and the arc plate for details). Fig.16 The front end of the torsion block 8 is far away from the inner tube, that is, in the axial direction of the sleeve, the torsion block 8 is in an inclined state, which will not hinder the bamboo piece from moving from the back to the front along the axial direction of the sleeve into the sleeve gap; at the same time, the front end of the torsion block has a certain twist in the circumferential direction of the inner tube relative to the rear end. Fig. 20 The width of the torsion block 8 in the circumferential direction of the sleeve is smaller than that of the arc plate 9 and the elastic sheet 6.

[0096] There are three groups of elastic sheets 6, one group in the axial middle part and one group at both ends of the sleeve. The elastic sheets in the same group, the torsion blocks 8 connected to the elastic sheets in the same group, and the arc plates 9 are all arranged in a ring shape in the circumferential direction of the inner cylinder.

[0097] In the circumferential direction of the sleeve, the elastic sheet is in an arc shape, the side of the elastic sheet close to the sleeve transverse outlet is the proximal side edge 64, and the side of the elastic sheet far from the sleeve transverse outlet is the distal side edge 63. For two circumferentially adjacent elastic sheets, the distal side edge 63 of the first elastic sheet 65 is closer to the sleeve axis 49 than the proximal side edge 64 of the second elastic sheet 66, that is, in the two circumferentially adjacent elastic sheets of the sleeve, the proximal side edge is above the distal side edge, and the circumferentially adjacent elastic sheets in each group of elastic sheets form a superimposed state, so that the bamboo sheet can smoothly move toward the transverse outlet direction along the circumference of the sleeve in the gap. So that the bamboo sheet can move toward the transverse outlet under the push of the shift fork.

[0098] Beneficial effects of this patent:

[0099] This patent is to design a device that can arrange the green side and yellow side of bamboo slices in order after the original bamboo is split.

[0100] The traditional order of bamboo chip processing is: the original bamboo - is split into bamboo chips (also called split chips) by a splitting machine - and is sent to a planer to remove the green and yellow bamboo to become a bamboo strip product.

[0101] The processing sequence of bamboo slices of the present patent is as follows: the original bamboo is split into bamboo slices by a splitting knife ring - the bamboo slices arranged in a ring shape (during the splitting process) pass through a scraper ring on a conical cylinder to remove the bamboo nodes on the bamboo yellow wall while keeping their relative positions and states unchanged - they enter the gap of the double-layer E-shaped sleeve in the same state and are arranged; the clamping and conveying device further pulls all the bamboo slices out of the conical cylinder, so that the bamboo slices enter the position in the gap of the double-layer E-shaped sleeve in the same state, keeping the length of the bamboo slices growing out of the double-layer E-shaped sleeve at both ends substantially equal, and the shift fork ( Figure 4 ) Move the bamboo pieces in the gap of the E-shaped sleeve to the horizontal outlet end of the E-shaped sleeve. Under the action of the elastic pressure plate at the horizontal outlet end, they are discharged in sequence and regularly enter the next process or are stored.

[0102] This patent allows a conical cylinder to be set behind the splitting knife ring of the raw bamboo splitting machine (slicing machine), and the small end of the central axis of the conical cylinder is kept in a straight line with the central axis of the splitting knife ring. The outer wall diameter of the small end of the conical cylinder is about 10 cm larger than the outer diameter of the inner ring of the splitting knife, because the bamboo slices split by the splitting knife ring are in a conical open state, and it is necessary to ensure that the bamboo slices after the raw bamboo is split can smoothly reach the outer wall of the conical cylinder. A circular raised scraper ring is set on the outer periphery of the large end of the conical cylinder, and two relative clamping half rings that can perform closing movements are set on the outside of the circular raised scraper ring. The two relative clamping half rings that can perform simultaneous closing movements are respectively connected to a clamping cylinder, and the movable clamping half rings can be opened or closed at the same time under the control of the two clamping cylinders. It is usually kept in an open state. When a bamboo piece passes through the outer circumference of the conical cylinder, the compression cylinder pushes the two movable semicircular rings to close, pressing the bamboo piece on the conical cylinder. When the bamboo piece passes through the raised scraping ring on the outer wall of the conical cylinder, the bamboo nodes on the yellow surface of the bamboo are scraped off.

[0103] The large end of the conical cylinder is opposite to one end of the double-layer E-shaped sleeve, and the central axes of the two are kept in the same straight line. The setting of the double-layer E-shaped sleeve is to realize the conversion of bamboo chips from longitudinal (axial) transportation to transverse (circumferential) transportation, and also to realize the arrangement of bamboo chips in the same direction according to the green side or the yellow side. The double-layer E-shaped sleeve is a mesh structure, which is convenient for discharging processing debris. The bottom of the circumferential side of the e-shaped sleeve is open, forming a sleeve transverse outlet, which is convenient for bamboo chips to be discharged from the sleeve transverse outlet at the bottom of the e-shaped sleeve. For Example 1, the distance between the inner and outer cylinders of the double-layer sleeve (gap height t) is generally 12-15mm, which is greater than the thickness h of the bamboo chips after removing the inner nodes (h is generally 7-10mm), and less than the width of the bamboo chips (usually the width of the bamboo chips is 22-24mm). The gap layer between the inner and outer cylinders of the double-layer sleeve is the path for bamboo chips to be transported. The outer diameter of the inner cylinder is basically the same as the outer diameter of the scraper ring, so that the bamboo pieces can be arranged in a ring shape under the pressure of the compacting cylinder and the guidance of the conical cylinder and can smoothly enter the gap layer of the double-layer sleeve. The size of the gap between the inner and outer cylinders of the E-shaped double-layer sleeve can ensure that the bamboo pieces can smoothly move sideways in the gap but cannot roll over.

[0104] A clamping and conveying device can be arranged at the front end of the double-layer sleeve. When the front end of the bamboo piece comes out of the front end of the double-layer sleeve and enters the clamping and conveying device, after losing the impact thrust, the clamping half ring first clamps the bamboo piece and pulls the bamboo piece axially for a distance, so that the bamboo piece is completely separated from the conical cylinder. The clamping and conveying device is composed of two parts: clamping and conveying. The clamping mechanism is composed of an inner ring, two clamping half rings that can perform clamping movement, and two clamping cylinders; each clamping half ring is connected to a clamping cylinder, and the two clamping half rings push the bamboo piece to press against the inner ring under the pressure of the clamping cylinder to clamp the bamboo piece. The horizontal movement of the inner ring and the clamping device is completed by the conveying mechanism. The conveying mechanism is composed of three horizontal tracks (a center slide bar, two edge slide bars), a conveying power device, etc.; the movable inner ring is fixed on the center slide bar, and the clamping cylinders are respectively arranged on two different edge slide bars. Under the action of the conveying power device, the clamping mechanism and the inner ring are driven to move horizontally along the slide bar. Because the original bamboo becomes bamboo slices when passing through the splitting knife ring under the impact force of the impact pushing device, the bamboo slices can pass through the splitting knife ring, but generally cannot pass through the conical cylinder in full length, because the bamboo slices are subjected to the thrust of the impact pushing device, and the thrust stops after reaching the splitting knife ring. Even if the original bamboo has backward inertia force, the bamboo slices cannot pass through the conical cylinder in full length. Therefore, when the bamboo slices lose thrust and inertia, the clamping conveying device is required to pull the bamboo slices out of the conical cylinder. The clamping conveying device pulls the bamboo slices that have not completely passed through the conical cylinder away from the large end of the conical cylinder.

[0105] The bamboo piece passes through the sleeve, with both ends of the bamboo piece exposed outside the sleeve and the middle part in the gap of the E-shaped double-layer sleeve.

[0106] A shift fork is provided at both ends of the double-layer sleeve. The shift fork is composed of 3-4 shift rods. Two shift forks can be connected to one shaft. The shift fork driving device such as a motor drives the rotating shift fork to rotate. Each shift rod drives several bamboo pieces to move horizontally (circumferentially) along the sleeve gap in the double-layer sleeve. Note that the rotation direction of the shift fork is to push the bamboo piece to move along the side of the bamboo piece toward the sleeve horizontal outlet. The bamboo piece entering the gap of the e-shaped double-layer sleeve is shifted to the sleeve horizontal outlet. The elastic sheet in the gap of the double-layer sleeve prevents the bamboo piece from rolling, overlapping, and can only be arranged side by side. An elastic pressure plate is set at the tail horizontal outlet of the e-shaped sleeve. When the shift fork shifts the bamboo piece to the elastic pressure plate, the bamboo piece will be arranged in parallel in sequence under the action of the elastic pressure plate. In order to ensure that the bamboo piece is not hindered by the clamping and conveying device when it comes out of the e-shaped sleeve horizontal outlet, when the shift rod drives the bamboo piece to move in the gap, the clamping half ring and other clamping and conveying devices can move axially, so that the bamboo piece is separated from the clamping and conveying device.

[0107] Because the e-shaped double-layer sleeve is oblong, the length of the bamboo piece is longer than the double-layer sleeve, and the two ends of the bamboo piece will be exposed from the double-layer sleeve. The shift fork is rotated at both ends of the e-shaped double-layer sleeve, and the bamboo piece is in the gap layer of the double-layer sleeve. When the shift fork rotates, it drives several shifting rods to shift the bamboo piece, and the bamboo piece reaches the horizontal outlet at the end of the sleeve driven by the shifting rod. Since each shifting rod shifts several bamboo pieces, these bamboo pieces may overlap and pile up when they move horizontally in the double-layer sleeve, so 3-4 shifting rods are set to reduce the possibility of bamboo pieces piling up when they move horizontally, and also reduce the resistance during fluctuation. At the same time, an elastic sheet is set in the e-shaped sleeve to suppress each bamboo piece. Bamboo pieces of different thicknesses can be suppressed by the elastic sheet, so that each bamboo piece is close to the outer wall of the cylinder. Even if there is accumulation, the possibility of accumulation is relatively small. As described above, the distance between the inner cylinder and the outer cylinder in Example 1 (gap height t) is 12-15mm, and the normal width of the bamboo piece is 22-24mm, so the bamboo piece cannot be turned over in the sleeve. Since the thickness of the bamboo pieces produced by different raw bamboos is inconsistent, in order to adapt to the gap of the e-type cylinder, a larger gap t needs to be set, so that thin bamboo pieces have the possibility of being stacked together. However, if an elastic sheet is set in the gap, the elastic sheet presses the bamboo piece against the wall of the outer cylinder, which is equivalent to dynamically controlling the size of the gap t. It is basically impossible for the bamboo pieces to be stacked in thickness, so that the bamboo pieces are discharged one by one from the lateral outlet of the sleeve. The reason why the inner cylinder and the outer cylinder of the double-layer sleeve are set as a mesh structure is that when the bamboo pieces move laterally in the gap layer of the sleeve, they collide with each other, and burrs are produced, which are seen falling from the mesh.

[0108] The tail lateral outlet of the E-shaped sleeve is connected to the production conveyor line, and the neatly arranged bamboo chips are sent to the slicer or to a special storage device by the conveyor line.

Claims

1. The bent bamboo strip sorting device is characterized by: It includes a sleeve and two shift forks at both ends of the sleeve; the sleeve is in an e-shape, and has an inner cylinder and an outer cylinder to form a double-layer structure, and a gap is formed between the inner cylinder and the outer cylinder; There are multiple elastic sheets in the gap. In the radial direction of the sleeve, the inner end of the elastic sheet is connected to the inner tube wall, and the outer end extends toward the outer tube wall to form a warped shape. The warped outer end of the elastic sheet presses the bamboo sheet in the gap against the outer tube wall. In the axial direction of the sleeve, the elastic sheet is in an inclined warped state, and the inner end close to the inner tube wall is behind the outer end close to the outer tube wall, so that the bamboo sheet can enter the gap from back to front along the axial direction. In the circumferential direction of the sleeve, the side of the elastic sheet close to the lateral outlet of the sleeve is the proximal side edge, and the side of the elastic sheet far from the lateral outlet of the sleeve is the distal side edge. For the distal side edge of an elastic sheet and the proximal side edge of another elastic sheet adjacent to each other in the circumferential direction of the sleeve, the distal side edge of the elastic sheet is closer to the axis of the sleeve. The radial distance j from the outer end of the elastic sheet in a free state for pressing the bamboo sheet to the outer tube wall satisfies 0.5h≤j≤0.7h, and the thickness of the bamboo sheet is h. The shift fork includes a plurality of shift rods extending along the radial direction of the sleeve, and the two shift forks are connected to a shift fork driving device located in the sleeve and driving the shift fork to rotate around the axis of the sleeve; a lateral outlet is between the side of the inner cylinder and the side of the outer cylinder away from the axis; when the bamboo piece passes through the gap between the inner cylinder and the outer cylinder axially, the two ends of the bamboo piece are located between two adjacent shift rods of the two shift forks, and the shift forks rotate, pushing the bamboo piece to move along the gap in the circumferential direction of the sleeve toward the lateral outlet, and come out from the lateral outlet.

2. The bent bamboo strip sorting device according to claim 1, characterized in that: There are a plurality of groups of elastic sheets in the sleeve. The elastic sheets in each group are arranged in a ring shape, and the elastic sheets in each group are arranged at intervals in the axial direction of the sleeve.

3. The bent bamboo strip sorting device according to claim 1, characterized in that: There are a plurality of groups of elastic sheets in the sleeve, and the elastic sheets in each group are arranged in a spiral shape; and the elastic sheets in each group are arranged at intervals in the axial direction of the sleeve.

4. The bent bamboo strip sorting device according to claim 1, characterized in that: It is also located at the lateral outlet of the sleeve and is used to receive a carrier plate of bamboo pieces coming out of the lateral outlet, and the carrier plate is butted against the side of the outer tube; an elastic pressing plate is provided at the upper opening of the lateral outlet of the sleeve to press the bamboo pieces coming out of the lateral outlet onto the carrier plate.

5. The bent bamboo strip sorting device according to claim 4, characterized in that: The utility model further comprises a flat plate located above the carrier plate, and a distance between the flat plate and the carrier plate is slightly greater than the thickness of the bamboo sheet.

6. The bent bamboo strip sorting device according to claim 1, characterized in that: It also includes a clamping and conveying device for clamping the bamboo slices in the radial direction and conveying the bamboo slices in the axial direction, including an inner ring moving on an axis coaxial with the sleeve, at least two clamping half rings are arranged in the circumference of the inner ring, the clamping half ring is connected to a clamping power device driving it to move along the radial direction of the inner ring, and the clamping power device is connected to a conveying power device driving it to move axially; The clamping half ring is driven by the clamping power device to clamp the bamboo piece on the inner ring, and the conveying power device drives the clamping power device, the clamped bamboo piece and the inner ring to move axially.

7. The bent bamboo strip sorting device according to claim 6, characterized in that: The inner ring is connected to an inner ring moving power device which drives the inner ring to move along the axis.

Images