CN113933087B - Rubber bark cutting device for tensile and shear strength tests - Google Patents
Rubber bark cutting device for tensile and shear strength tests Download PDFInfo
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- CN113933087B CN113933087B CN202111101761.2A CN202111101761A CN113933087B CN 113933087 B CN113933087 B CN 113933087B CN 202111101761 A CN202111101761 A CN 202111101761A CN 113933087 B CN113933087 B CN 113933087B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 100
- 238000012360 testing method Methods 0.000 title claims abstract description 15
- 238000010008 shearing Methods 0.000 claims abstract description 6
- 244000043261 Hevea brasiliensis Species 0.000 description 8
- 239000002023 wood Substances 0.000 description 3
- 241000208688 Eucommia Species 0.000 description 1
- 102100023170 Nuclear receptor subfamily 1 group D member 1 Human genes 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Debarking, Splitting, And Disintegration Of Timber (AREA)
Abstract
The invention discloses a rubber bark cutting device for tensile and shearing strength tests, which comprises a hoop, a linear slide rail, an arc slide rail, a cutting knife and a handle, wherein the hoop is arranged at two ends of the linear slide rail, a first sliding block is arranged on the linear slide rail, the arc slide rail is arranged on the first sliding block, a second sliding block is in sliding connection with the arc slide rail, the second sliding block is connected with the handle, the cutting knife is arranged at the lower end of the handle, the cutting knife is provided with a cutting part for cutting into rubber bark, the center of a movement track of the second sliding block is positioned in the middle of the cutting part, a plurality of tooth grooves are formed in the linear slide rail, and a non-return tooth block matched with the tooth grooves is arranged on the first sliding block. The invention provides a rubber bark cutting device for tensile and shearing strength test, which saves more labor when cutting rubber bark.
Description
Technical Field
The invention relates to the technical field of rubber bark detection, in particular to a rubber bark cutting device for a tensile and shearing strength test.
Background
At present, in the testing of the tensile property and the shearing strength of the bark of a rubber tree, the mechanical parameters of the fresh bark of the rubber tree need to be tested, the bark is collected at a rubber tree log cutting site, the raw wood is immediately sampled after being cut down, the length of the raw wood is 30-50cm, the width of the raw wood is 3-5cm, two cutting marks are cut in parallel along the trunk direction by a cutting knife, the two cutting marks are cut along the trunk circumferential direction, finally, the bark is taken down by a tool, and the bark is immediately wrapped by wet cloth and is put into a refrigerator so as to keep moisture. At present, the cutting resistance of the cutter adopted when cutting the bark along the trunk direction is large, for example, a eucommia bark cutting device disclosed in Chinese patent publication No. CN106105801A is used for cutting the bark by moving the cutter in a track, when cutting the bark along the trunk direction, the cutter is in full contact with the section of the bark, the cutter is in translation, the pressure intensity of the cutter on the bark is dispersed, and the cutter is laborious to cut the bark.
Disclosure of Invention
The present invention has been made in view of the above-mentioned conventional art, and an object of the present invention is to provide a rubber bark cutting device for a tensile and shear strength test, which is more labor-saving in cutting rubber bark.
The technical scheme of the invention is realized as follows:
The utility model provides a rubber bark cutting device that tensile, shearing strength test used, includes staple bolt, linear slide rail, arc slide rail, cutting knife and handle, the both ends of linear slide rail are equipped with the staple bolt, be equipped with first slider on the linear slide rail, be equipped with on the first slider the arc slide rail, the second slider with arc slide rail sliding connection, the second slider with the handle is connected, the lower extreme of handle is equipped with the cutting knife, the cutting knife is equipped with the cutting part that is used for cutting into rubber bark, the centre of a circle of second slider motion track is located the centre of cutting part, be equipped with a plurality of tooth grooves on the linear slide rail, first slider be equipped with tooth groove complex ends contrary tooth piece.
Further, the arc-shaped sliding rail comprises a first rail and a second rail, an arc-shaped sliding groove is arranged between the first rail and the second rail, and the second sliding block is in sliding connection with the arc-shaped sliding groove.
Further, the second track is provided with a mounting frame, the mounting frame is connected with a sliding rod in a sliding mode, the sliding rod can slide along the mounting frame in the direction perpendicular to the linear sliding rail, one end, facing the linear sliding rail, of the sliding rod is provided with a non-return tooth block, and the mounting frame is provided with a spring for pushing the non-return tooth block to move towards the tooth slot.
Further, the mounting frame and the non-return tooth block are both positioned at the tail end of the first sliding block.
Further, the non-return tooth block comprises a movable block and a one-way convex tooth arranged at the bottom of the movable block, and the tooth slot is a one-way tooth slot.
Further, the second slider top rotates and is connected with the sleeve, and the below is equipped with L shape pole, the handle with first slider sliding connection, the sleeve with handle threaded connection is located the handle side of first slider below is equipped with the recess, the side of recess is the plane, the lower extreme of L shape pole with the side butt of recess.
Further, the anchor ear comprises a first C-shaped ring, a second C-shaped ring and a bolt, wherein the first C-shaped ring is fixedly connected with the linear sliding rail, and the second C-shaped ring is connected with the first C-shaped ring through the screw rod.
Further, the bottom of the cutting part is provided with a tip.
The invention has the beneficial effects that:
(1) The present invention cuts the upper part of the rubber bark when the cutter rotates in the clockwise direction, and cuts the lower part of the rubber bark when the cutter rotates in the counterclockwise direction. In the case of cutting the rubber bark with the same force, since the cross section of the rubber bark is reduced each time, it is easier to cut the rubber bark, and the rubber bark can be cut even in the case of using a smaller force.
(2) The tree bark cutting device is simple in structure and convenient to operate, rubber tree barks can be cut in a labor-saving mode only by reciprocating shaking and pulling the handle, and the cutting device can be carried into a forest farm to be fixed on a tree for cutting.
(3) According to the invention, the cutting knife rotates when the handle is shaken, the resistance moment of the rubber bark acting on the cutting knife is small, the moment of the worker acting on the handle is large, and the labor is saved when the rubber bark is cut.
(4) The non-return tooth block can make a sound when being clamped into the tooth slot, and the forward moving distance of the first sliding block can be judged through the sound, so that a worker can conveniently judge the time of backward shaking the handle.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of a rubber bark cutting device for tensile and shear strength test according to the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of a first motion profile of the cutting blade according to the present invention;
FIG. 4 is a schematic diagram of a second motion profile of the cutting blade according to the present invention;
in the figure, 1 anchor ear, 2 linear slide rail, 3 arc slide rail, 4 cutting knife, 5 handles, 6 first slider, 7 second slider, 8 cutting parts, 9 tooth's socket, 10 non return tooth piece, 11 first track, 12 second track, 13 arc spout, 14 mounting bracket, 15 slide bar, 16 spring, 17 movable block, 18 one-way convex tooth, 19 one-way tooth's socket, 20 sleeve, 21L shape pole, 22 recess, 23 first C shape ring, 24 second C shape ring, 25 bolt, 26 pointed end.
Detailed Description
For a better understanding of the technical content of the present invention, specific examples are provided below and the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1-4, a rubber bark cutting device for tensile and shear strength tests comprises a hoop 1, a linear sliding rail 2, an arc sliding rail 3, a cutting knife 4 and a handle 5, wherein the hoop 1 is arranged at two ends of the linear sliding rail 2, a first sliding block 6 is arranged on the linear sliding rail 2, the arc sliding rail 3 is arranged on the first sliding block 6, a second sliding block 7 is in sliding connection with the arc sliding rail 3, the second sliding block 7 is connected with the handle 5, the lower end of the handle 5 is provided with the cutting knife 4, the cutting knife 4 is provided with a cutting part 8 for cutting into rubber bark, the center of a movement track of the second sliding block 7 is positioned in the middle of the cutting part 8, a plurality of tooth grooves 9 are arranged on the linear sliding rail 2, and the first sliding block 6 is provided with a non-return tooth block 10 matched with the tooth grooves 9. The two anchor clamps 1 are fixed at different height positions on the trunk, the anchor clamps 1 are used for fixing the linear slide rail 2 on the trunk, and the linear slide rail 2 is parallel to the axis of the trunk. The linear slide rail 2 is provided with a first slider 6, and the first slider 6 slides along the linear slide rail 2. An arc-shaped sliding rail 3 is arranged on the first sliding block 6, and the arc-shaped sliding rail 3 can slide along the linear sliding rail 2 along with the first sliding block 6. The arc-shaped sliding rail 3 is slidably connected with a second sliding block 7, and the second sliding block 7 can move along the arc-shaped sliding rail 3 in an arc shape. The second slider 7 is provided with a handle 5 and a cutter 4 connected to the handle 5, and the cutter 4 is provided with a cutter 8 for cutting into rubber bark, and the handle 5 is swung after the cutter 8 is inserted into the rubber bark. The handle 5 is rocked to drive the second slider 7 to slide along the arc-shaped sliding rail 3, or drive the arc-shaped sliding rail 3 to move along the linear sliding rail 2 along with the first slider 6, and as the circle center of the movement track of the second slider 7 is positioned in the middle of the cutting part 8, the cutting knife 4 is driven to rotate when the second slider 7 slides along the arc-shaped sliding rail 3, and the rotating center of the cutting knife 4 coincides with the circle center of the movement track of the second slider 7. As shown in fig. 3, the upper part of the rubber bark is thus cut when the cutter 4 rotates in the clockwise direction, and the lower part of the rubber bark is cut when the cutter 4 rotates in the counterclockwise direction. In the case of cutting the rubber bark with the same force, since the cross section of the rubber bark is reduced each time, it is easier to cut the rubber bark, and the rubber bark can be cut even in the case of using a smaller force.
In the operation step of cutting, in the invention, after the cutting part 8 is inserted into the rubber bark, the handle 5 is swung forwards by a small margin, the handle 5 rotates clockwise, so that the cutter 4 rotates in the clockwise direction, the upper part of the rubber bark is cut by the cutter 4, then the handle 5 is swung backwards by a small margin, so that the cutter 4 rotates the rod in the anticlockwise direction, and the lower part of the rubber bark is cut by the cutter 4. The handle 5 is greatly rocked back and forth after the length to be cut is enlarged, the cutter 4 rotates clockwise when the handle 5 is greatly rocked forward, but the rotating amplitude is larger, the cutting distance of the cutter 4 to the upper rubber bark is larger, when the second sliding block 7 moves forward to the limit position, the handle 5 is pulled forward, the first sliding block 6 is driven to move forward by a small margin through the handle 5, the upper rubber bark is further cut, the circle center of the movement track of the second sliding block 7 moves forward, the handle 5 is greatly rocked backward, the cutter 4 rotates anticlockwise, the cutter 4 cuts the lower rubber bark, and the rubber bark can be cut along the direction of the rubber trunk by repeating the actions.
In another cutting operation step, the handle 5 is further rocked backwards after the second slider 7 moves forwards to the limit position, the handle 5 is in the vertical state and then the arc-shaped sliding rail 3 or the first slider 6 is pulled forwards, the first slider 6 moves forwards slightly to drive the cutting knife 4 to cut the rubber bark in the middle, the circle center of the motion track of the second slider 7 moves forwards, then the handle 5 is rocked backwards to enable the cutting knife 4 to rotate in the anticlockwise direction, the cutting knife 4 cuts the rubber bark in the lower portion, the handle 5 is rocked forwards again after the second slider 7 moves backwards to the limit position, the handle 5 is in the vertical state and then the arc-shaped sliding rail 3 or the first slider 6 is pulled forwards, and the first slider 6 moves forwards slightly to drive the cutting knife 4 to cut the rubber bark in the middle, so that the circle center of the motion track of the second slider 7 moves forwards.
According to the invention, the linear slide rail 2 is provided with the tooth grooves 9, the first slide block 6 is provided with the non-return tooth blocks 10 matched with the tooth grooves 9, and the first slide block 6 can only move forwards and cannot move backwards under the action of the non-return tooth blocks 10, so that the first slide block 6 can be driven to move forwards when the handle 5 is pulled forwards, and the first slide block 6 cannot be driven to move backwards when the handle 5 is rocked backwards. The non-return tooth piece 10 will make a sound when blocked into tooth groove 9, can judge the distance that first slider 6 moved forward through the sound to the staff is convenient for judge the opportunity of rocking handle 5 backward. The tree bark cutting device is simple in structure and convenient to operate, rubber tree barks can be cut in a labor-saving mode only by reciprocating shaking and pulling the handle 5, and the cutting device can be carried into a forest farm to be fixed on a tree for cutting. According to the invention, the cutting knife 4 rotates when the handle 5 is shaken, the resistance moment of rubber bark acting on the cutting knife 4 is small, the moment of staff acting on the handle 5 is large, and the labor is saved when the rubber bark is cut.
Optionally, the invention can set 2 cutters 4 at the bottom of the handle 5, the cutters 4 are spaced at preset distance, and when the handle 5 is operated, the two cutters 4 cut bark simultaneously, so that two parallel cuts can be quickly cut on the bark of the rubber tree.
Specifically, the arc-shaped sliding rail 3 comprises a first rail 11 and a second rail 12, an arc-shaped sliding groove 13 is arranged between the first rail 11 and the second rail 12, and the second sliding block 7 is slidably connected in the arc-shaped sliding groove 13. The first track 11 and the second track 12 are arc-shaped, an arc-shaped chute 13 is formed between the first track 11 and the second track 12, the center of the arc-shaped chute 13 is positioned in the middle of the cutting part 8, and the second sliding block 7 slides in the arc-shaped chute 13, so that the upper part and the lower part of the second sliding block 7 are supported, the rotation error of the cutting knife 4 is reduced, and the upper part of the rubber bark is cut when the handle 5 is rocked forwards.
Specifically, the second track 12 is provided with a mounting frame 14, the mounting frame 14 is slidably connected with a sliding rod 15, the sliding rod 15 can slide along the mounting frame 14 in a direction perpendicular to the linear sliding rail 2, one end of the sliding rod 15, which faces the linear sliding rail 2, is provided with the non-return tooth block 10, and the mounting frame 14 is provided with a spring 16 for pushing the non-return tooth block 10 to move towards the tooth slot 9. The mounting frame 14 is fixed on the second track 12, and a through hole is arranged on the mounting frame 14, and the sliding rod 15 passes through the through hole, so that the sliding rod 15 is in sliding connection with the mounting frame 14. The sliding rod 15 can slide along the mounting frame 14 in a direction perpendicular to the linear sliding rail 2, the non-return tooth block 10 is arranged at one end of the sliding rod 15 facing the linear sliding rail 2, and the non-return tooth block 10 moves towards the tooth slot 9 under the action of the spring 16, so that the non-return tooth block 10 is clamped into the tooth slot 9, and the first sliding block 6 is prevented from moving backwards. When the handle 5 is shaken to the right, the handle 5 is turned so that the cutter 4 cuts the rubber bark. The non-return tooth block 10 is firmly matched with the tooth slot 9, and the non-return tooth block 10 cannot be pushed backwards after being inserted into the tooth slot 9. When the distance between the teeth moves forwards once, the non-return tooth block 10 is blocked into the new tooth slot 9 again, sound can be generated when the non-return tooth block 10 is blocked into the tooth slot 9, and the distance of the forward movement of the first sliding block 6 can be judged through sound, so that a worker can conveniently judge the time of shaking the handle 5 backwards, and the distance of the movement of the rotating center of the cutting knife 4 can also be conveniently judged.
Specifically, the mounting frame 14 and the non-return tooth block 10 are both located at the end of the first slider 6. When the handle 5 is swung backwards, the handle 5 turns anticlockwise to the tail end of the first sliding block 6, and the moment received by the handle 5 acts on the mounting frame 14 and the non-return tooth block 10, so that the non-return tooth block 10 is clamped into the tooth slot 9 more stably.
Specifically, the non-return tooth block 10 includes a movable block 17 and a unidirectional tooth 18 disposed at the bottom of the movable block 17, and the tooth slot 9 is a unidirectional tooth slot 19. The one-way teeth 18 and one-way tooth slots 19 ensure that the non-return tooth block 10 can move forward out of the tooth slots 9 but cannot move backward.
Specifically, the sleeve 20 is rotatably connected above the second slider 7, the L-shaped rod 21 is arranged below the second slider, the handle 5 is slidably connected with the first slider 6, the sleeve 20 is in threaded connection with the handle 5, a groove 22 is formed in the side face of the handle 5 below the first slider 6, the side face of the groove 22 is a plane, and the lower end of the L-shaped rod 21 is abutted to the side face of the groove 22. Since the sleeve 20 is in threaded connection with the handle 5, the handle 5 is pushed to move up and down when the sleeve 20 is rotated, so that the depth of the cutting knife 4 cutting into the rubber is adjusted. The sleeve 20 is located above the mounting frame 14, and the sleeve 20 can be operated when cutting rubber bark, thereby conveniently adjusting the depth of the cutter 4. An L-shaped rod 21 is arranged below the second sliding block 7, a groove 22 is formed in the side face of the handle 5 below the first sliding block 6, the side face of the groove 22 is a plane, the lower end of the L-shaped rod 21 is in butt joint with the side face of the groove 22, the limit of the L-shaped rod 21 received by the handle 5 cannot rotate, the cutting knife 4 is guaranteed not to rotate in the process of cutting rubber, and therefore the cutting knife 4 is guaranteed to be parallel to the cutting direction.
Specifically, the anchor ear 1 includes a first C-shaped ring 23, a second C-shaped ring 24 and a bolt 25, where the first C-shaped ring 23 is fixedly connected with the linear sliding rail 2, and the second C-shaped ring 24 is connected with the first C-shaped ring 23 through the screw. The first C-shaped ring 23 and the second C-shaped ring 24 are used for encircling the rubber tree from different directions, the first C-shaped ring 23 and the second C-shaped ring 24 are connected through a screw, and the rubber tree is locked by adjusting the distance between the first C-shaped ring 23 and the second C-shaped ring 24.
Specifically, the bottom of the cutting portion 8 is provided with a tip 26. The cutter 4 is convenient to insert the rubber bark.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (5)
1. The utility model provides a rubber bark cutting device that tensile, shearing strength test used, its characterized in that includes staple bolt, linear slide rail, arc slide rail, cutting knife and handle, the both ends of linear slide rail are equipped with the staple bolt, be equipped with first slider on the linear slide rail, be equipped with on the first slider the arc slide rail, the arc slide rail slides along linear slide rail along with first slider, and arc slide rail sliding connection has the second slider, and the second slider is the curved motion for the orbit along the arc slide rail, the second slider with the handle is connected, the lower extreme of handle is equipped with the cutting knife, the cutting knife be equipped with be used for cutting into the cutting part of rubber bark, be equipped with a plurality of tooth's socket on the linear slide rail, first slider be equipped with tooth's socket complex end that ends, arc slide rail includes first track and second track, be equipped with the arc spout between first track and the second track, second slider sliding connection is in the arc spout, the second track is equipped with the mounting bracket, sliding connection has the slide bar, the slide bar is along the track is the curved motion for the orbit along the arc slide rail, the second slider is equipped with the cutting knife along the second slider is equipped with the perpendicular to the cutting part along the cutting part is equipped with the cutting knife along the second slider is equipped with the opposite direction of the cutting part along the arc slide rail, the cutting knife is equipped with the tip along the second rotary motion along the arc slide rail, the cutting part is equipped with the tip along the second one end along the arc slide rail, the cutting slide rail is equipped with the tip along the cutting tooth profile, the tip is rotated along the second one end along the arc slide rail that has the tip, the cutting tooth profile along the tip, thus cutting the upper part of the rubber bark when the cutter is rotated in a clockwise direction and cutting the lower part of the rubber bark when the cutter is rotated in a counter-clockwise direction.
2. The rubber bark cutting device for tensile and shear strength test as recited in claim 1, wherein said mounting bracket and said check tooth block are both located at the distal end of said first slider.
3. The rubber bark cutting device for tensile and shear strength test according to claim 1, wherein the non-return tooth block comprises a movable block and a unidirectional convex tooth arranged at the bottom of the movable block, and the tooth slot is a unidirectional tooth slot.
4. The rubber bark cutting device for tensile and shear strength test according to claim 1, wherein a sleeve is rotatably connected above the second slider, an L-shaped rod is arranged below the second slider, the handle is slidably connected with the first slider, the sleeve is in threaded connection with the handle, a groove is formed in the side face of the handle below the first slider, the side face of the groove is a plane, and the lower end of the L-shaped rod is abutted to the side face of the groove.
5. The rubber bark cutting device for tensile and shear strength tests according to claim 1, wherein the anchor ear comprises a first C-shaped ring, a second C-shaped ring and a bolt, wherein the first C-shaped ring is fixedly connected with the linear slide rail, and the second C-shaped ring is connected with the first C-shaped ring through the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111101761.2A CN113933087B (en) | 2021-09-18 | 2021-09-18 | Rubber bark cutting device for tensile and shear strength tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111101761.2A CN113933087B (en) | 2021-09-18 | 2021-09-18 | Rubber bark cutting device for tensile and shear strength tests |
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| Publication Number | Publication Date |
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| CN113933087A CN113933087A (en) | 2022-01-14 |
| CN113933087B true CN113933087B (en) | 2024-05-03 |
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| CN202111101761.2A Active CN113933087B (en) | 2021-09-18 | 2021-09-18 | Rubber bark cutting device for tensile and shear strength tests |
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