CN110754323B - Automatic clamping device for rubber trees - Google Patents
Automatic clamping device for rubber trees Download PDFInfo
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- CN110754323B CN110754323B CN201911267426.2A CN201911267426A CN110754323B CN 110754323 B CN110754323 B CN 110754323B CN 201911267426 A CN201911267426 A CN 201911267426A CN 110754323 B CN110754323 B CN 110754323B
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- guide rod
- wedge
- clamping
- clamping frame
- movable guide
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/10—Tapping of tree-juices, e.g. caoutchouc, gum
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses an automatic clamping device for rubber trees, which comprises a wedge feeding device, a guide rod axial reciprocating motion device and a plurality of sensors, wherein the wedge feeding device comprises a wedge feeding device, a guide rod and a guide rod; the wedge feeding devices are symmetrically arranged and are connected with the clamping frame through the movable guide rod and the fixed guide rod. The beneficial effects of the invention are as follows: the automatic wedge type rubber tree clamping device with the wedge type screw rod feeding type compression is used for clamping the rubber tree, stable clamping of the rubber tree is achieved, the device is high in mechanical efficiency, flexible in mechanism, capable of clamping the rubber tree with larger deviation of the upper radius and the lower radius of the rubber tree, and suitable for an automatic clamping part of automatic rubber cutting of the rubber tree.
Description
Technical Field
The invention relates to a clamping device, in particular to an automatic rubber tree clamping device, and belongs to the technical field of agricultural machinery.
Background
In 1985, the total planting area of rubber trees in China has increased from 51.8 ten thousand to 107 ten thousand, the rubber cutting area has increased from 30 ten thousand to 62.7 ten thousand, and the annual dry rubber yield has increased from 18.8 ten thousand to 75 ten thousand. The unit production level increased from 630 kg/in 1985 to 1200 thousand kg/in 2011. The natural rubber is used as an important industrial raw material, and the characteristic of large industrial relevance determines the universality of the market on the demands of the natural rubber. Due to the rapid development of the automobile industry and the gradual shift of the world tire factories, the domestic natural rubber consumption is increased year by year, and the annual increase is larger in recent years, 71 ten thousand t in 1995 is increased to 390 ten thousand t in 2011, and the world is the first in 9 continuous years since 2002. The self-supporting rate of the domestic natural rubber is reduced from 60.6% in 1995 to 19.3% in 2011, and is lower than 10.7% of the international strategic safety guard line of 30%.
In recent years, the price of rubber is continuously low, and rubber tapping production is performed at night, so that the production environment condition is poor, the ageing of rubber workers is serious, the attraction of young workers for rubber tapping production is insufficient, and the serious shortage of rubber workers is caused. The phenomena of tree cutting, tree discarding and the like occur in the Hainan and Yunnan gum planting areas, and the farm in Guangdong is difficult to operate and work in some industries which mainly use rubber.
Disclosure of Invention
The invention aims to solve the problems and provide an automatic clamping device for rubber trees.
The invention realizes the above purpose through the following technical scheme: an automatic clamping device for rubber trees comprises a wedge feeding device, a guide rod axial reciprocating motion device and a plurality of sensors; the wedge feeding devices are symmetrically arranged and are connected with the clamping frame through movable guide rods and fixed guide rods;
The clamping frame is provided with six upper clamping mechanisms and lower clamping mechanisms which are the same in size, the clamping frame is connected with the movable guide rod through connecting rod connecting holes and two pairs of clamping frames and the movable guide rod connecting holes, the clamping frames are connected with the movable guide rod through the movable guide rod connecting holes, the contact surface is a movable guide rod curved surface, the clamping frames are in clearance fit with the movable guide rod curved surface, the clamping frames of the fixed guide rods and the clamping frames are connected with the fixed guide rod connecting holes, the contact surface is a fixed guide rod curved surface, the clamping frames are in interference fit with the fixed guide rod curved surface, springs are mounted on the movable guide rod curved surface, the movable guide rail plane is in contact with the wedge block guide rail plane, the clamping frames are respectively connected with the movable guide rail holes and the fixed guide rod holes through key holes of the guide rails, so that the clamping frames are in dynamic connection with the wedge block feeding device, and the clamping frames are also connected with ejector rods which are composed of ejector rod curved surfaces and ejector rod mounting sensor planes;
the wedge feeding device comprises a wedge guide rail and a wedge, the wedge is connected with the wedge guide rail through a screw, three holes are formed in the wedge, two holes are wedge and guide rod matching holes with the same size, the other hole is a threaded wedge and guide rod matching hole, a wedge plane which is firstly contacted with a rubber tree, a wedge fillet and a wedge upper clamping rubber tree plane are formed in the wedge, a wedge guide rail key hole, a wedge guide rail plane, a wedge guide rail and movable guide rod or fixed guide rod contact plane, a wedge guide rail and guide rod matching hole and a wedge guide rod and guide rod matching hole are formed in the wedge guide rail, the threaded holes are connected with the screw, power for wedge movement is provided by a motor at the wedge guide rail and the guide rod matching hole through a belt, a through hole wedge on the wedge is connected with the guide rod matching hole through two identical guide rails on the wedge guide rail, and the upper clamping rubber tree plane is firstly contacted with the rubber tree.
As still further aspects of the invention: the movable guide rod is in clearance fit with the clamping frame on the clamping frame and the movable guide rod connecting hole.
As still further aspects of the invention: the fixed guide rod is in interference fit with the clamping frame on the clamping frame and the connecting hole of the fixed guide rod.
As still further aspects of the invention: the angle between the wedge guide rail and the symmetrical axis of the clamping frame is 15-30 degrees, and the two wedge guide rails are symmetrical relative to the symmetrical axis of the clamping frame during installation.
As still further aspects of the invention: the movable guide rod contacts with the clamping frame of the clamping frame and the movable guide rod connecting hole, and a spring is also arranged on the curved surface of the movable guide rod.
As still further aspects of the invention: the clamping frame comprises an upper clamping mechanism and a lower clamping mechanism, wherein the upper clamping mechanism and the lower clamping mechanism are connected through six connecting rods, and the upper clamping mechanism and the lower clamping mechanism are respectively provided with a set of sensor control system.
The beneficial effects of the invention are as follows: the automatic rubber tree clamping device is reasonable in design, the rubber tree is clamped by the automatic wedge type rubber tree clamping device which compresses tightly in a feeding mode through the wedge type screw rod, stable clamping of the rubber tree is achieved, the automatic rubber tree clamping device is high in mechanical efficiency, flexible in mechanism, capable of achieving clamping of the rubber tree with larger upper and lower radius deviation of the rubber tree, and suitable for an automatic clamping portion of automatic rubber cutting of the rubber tree.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a clamping frame structure according to the present invention;
FIG. 3 is a schematic view of a movable guide rod according to the present invention;
FIG. 4 shows the fixation of the present invention a guide rod structure schematic diagram;
FIG. 5 is a schematic view of a wedge rail structure of the present invention;
FIG. 6 is a schematic diagram of a rear view of the wedge rail of the present invention;
FIG. 7 is a schematic diagram of a wedge structure of the present invention;
FIG. 8 is a schematic diagram of a wedge compression structure in accordance with the present invention;
FIG. 9 is a schematic view of the wedge pressing portion of the present invention;
FIG. 10 is a schematic view of the ejector pin according to the present invention;
FIG. 11 is a schematic view of a clamping mechanism according to the present invention;
FIG. 12 is a schematic diagram of a sensor control system according to the present invention.
In the figure: 1. clamping frame, 2, movable guide rod, 3, fixed guide rod, 4, wedge guide rail, 5, wedge, 6, spring, 7, ejector pin, 8, connecting rod, 9, lead screw, 10, guide rod, 101, clamping frame and movable guide rod connecting hole, 102, wedge guide rail and lead screw connecting hole, 103, clamping frame and fixed guide rod connecting hole, 104, clamping frame and ejector pin connecting hole, 201, movable guide rod curved surface, 202, movable guide rod and wedge guide rail contact plane, 203, movable guide rod and wedge guide rail connecting hole, 301, fixed guide rod curved surface, 302, fixed guide rod and wedge guide rail contact plane, 303, fixed guide rod and wedge guide rail connecting hole, 401, wedge guide rail key hole, 402, wedge guide rail plane, 403, wedge guide and movable guide rod or fixed guide rod contact plane, 404, wedge guide rail and guide rod matching hole, 405, wedge guide rail and lead screw matching hole, 501, wedge plane, 502, wedge fillet, 503, wedge upper clamping rubber tree plane, 504, wedge and lead screw matching hole, 505, wedge and ejector pin matching hole, 701, curved surface and 702, and sensor plane are installed.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 12, an automatic clamping device for rubber tree comprises a wedge feeding device, a guide rod axial reciprocating device and various sensors; the wedge feeding device is symmetrically arranged and is connected with the clamping frame 1 through the movable guide rod 2 and the fixed guide rod 3;
the clamping frame 1 is provided with six upper clamping mechanisms and lower clamping mechanisms with the same size, namely, an upper clamping mechanism and a lower clamping mechanism which are connected with the movable guide rod 2 through connecting rod connecting holes 102 and two pairs of clamping frames and a movable guide rod connecting hole 101 and a clamping frame and fixed guide rod connecting hole 103, wherein the clamping frame and the movable guide rod connecting hole 101 are connected with the movable guide rod 2 through key holes 401 of a guide rail 4 and the contact surface is a movable guide rod curved surface 201, the clamping frame and the movable guide rod connecting hole 101 are in clearance fit with the movable guide rod curved surface 201, the clamping frame of the fixed guide rod 3 and the clamping frame 1 are connected with the fixed guide rod connecting hole 103, the contact surface is a fixed guide rod curved surface 301, the clamping frame and the fixed guide rod connecting hole 103 are in interference fit with the fixed guide rod curved surface 301, a spring 6 is arranged on the movable guide rod curved surface 201, and the movable guide rod plane 202 is contacted with a wedge block guide rail plane 403, and the movable guide rail holes 203 and the fixed guide rod curved surface 303 are respectively connected with the movable guide rod through key holes 401 of the guide rail 4, so that the clamping frame 1 and a wedge block feeding device form a dynamic connection, the clamping frame 1 is also connected with a top rod 7, and the top rod 701 and a top rod sensor 702 are arranged on the curved surface;
The wedge feeding device consists of a wedge guide rail 4 and a wedge 5, the wedge 5 is connected with the wedge guide rail 4 through a screw 9, three holes are formed in the wedge 5, two holes are wedge and guide rod matching holes 505 with the same size, the other is a thread wedge and screw rod matching hole 504, a wedge plane 501 which is firstly contacted with a rubber tree, a wedge fillet 502 and a clamping rubber tree plane 503 on the wedge are also formed in the wedge 5, a wedge guide rail key hole 401, a wedge guide rail plane 402, a wedge guide rail and movable guide rod or fixed guide rod contact plane 403, a wedge guide rail and guide rod matching hole 404 and a wedge guide rail and screw rod matching hole 405 are formed in the wedge guide rail 4, the threaded hole 504 is connected with the screw 9, and moving power is provided between the wedge guide rail and the screw rod matching hole 405 and a motor through a belt, the wedge through hole 505 on the wedge 5 is connected with the two identical wedge guide rails on the wedge guide rail 4 through the guide rod 10 and the guide rod matching hole 404, the wedge upper clamping rubber tree plane 503 is firstly contacted with the rubber tree, when the clamping device moves towards the rubber tree, the rubber tree and the wedge plane 503 push the wedge guide rail 4 to lead the sliding guide rail 2 to be stressed, the spring 6 starts to compress, when the clamping device continues to move, the rubber tree just passes through the wedge fillet 502, the movable guide rod 2 is forced by the spring 6 to push the wedge guide rail 4 to move along the key hole 401 on the wedge guide rail 4, when the rubber tree touches the sensor on the ejector rod 7 at the position where the sensor plane 702 is arranged, the lead screw 9 starts to feed, the wedge 5 moves along the guide rod 10, the wedge plane 501 slowly clamps the rubber tree, when the preset pressure value is reached, the pressure sensor gives out instructions, the feed screw 9 stops feeding.
Further, in the embodiment of the present invention, the movable guide rod 2 is in clearance fit with the clamping frame on the clamping frame 1 and the movable guide rod connecting hole 101, so that a sufficient clearance is ensured, and the movable guide rod 2 can move axially.
Further, in the embodiment of the present invention, the fixing guide rod 3 is in interference fit with the clamping frame on the clamping frame 1 and the fixing guide rod connecting hole 103, so as to ensure that the fixing guide rod 3 is positioned accurately.
Further, in the embodiment of the present invention, the angle between the wedge guide rail 4 and the symmetry axis of the clamping frame 1 is 15 ° to 30 °, and when installed, the two wedge guide rails 4 are symmetrical with respect to the symmetry axis of the clamping frame 1.
Further, in the embodiment of the present invention, the movable guide rod 2 contacts the clamping frame of the clamping frame 1 and the movable guide rod connecting hole 101, and the curved surface 201 of the movable guide rod is further provided with a spring 6, so that when the wedge 5 is pressed, the guide rod moves outwards, and when the rubber tree passes through the plane 503 of the clamped rubber tree on the wedge, the movable guide rod 2 can restore the position of the wedge guide rail 4 under the action of the spring 6.
Further, in the embodiment of the present invention, one clamping frame 1, two movable guide rods 2, two fixed guide rods 3, two wedge guide rails 4, two wedges 5, two springs 6, two lead screws 9, four guide rods 10 and one push rod 7 form an upper clamping mechanism and a lower clamping mechanism, the upper clamping mechanism and the lower clamping mechanism are connected through six connecting rods 8, and the upper clamping mechanism and the lower clamping mechanism are respectively provided with a set of sensor control system, and when a tree is clamped, the tree growth is considered, and corresponding adjustment clamping can be performed according to different radii of the upper tree and the lower tree.
Working principle: when the automatic rubber tree clamping device is used, the stepping mechanism of the automatic rubber cutting robot drives the clamping mechanism to move towards the rubber tree, when the radius of the rubber tree is smaller, the sensor on the ejector rod 7 is directly triggered, a signal is given to the motor, so that the screw rod 9 is driven to rotate clockwise, the wedge 5 moves towards the inside of the clamping frame 1 under the action of the screw rod 9 and the guide rod 10, when the wedge plane 501 contacts the surface of the rubber tree, when the clamping force reaches a preset value, the sensor gives a signal, the motor stops, the screw rod also stops rotating, when the radius of the rubber tree is larger, the rubber tree is contacted with the wedge plane 503, at the moment, the rubber tree continues to advance towards the inside of the clamping frame 1, the movable guide rod 2 is stressed and moves outwards, the spring 6 is stressed, when the rubber tree passes through the round corner 502 on the wedge 5, the movable guide rod 2 gradually returns to the position under the action of spring force, when the rubber tree ejector rod 7 is consistent with the steps, after rubber cutting is completed, the system gives a signal, the motor operates, the screw rod 9, the wedge 5 pushes to the tail end, the motor stops triggering the travel switch, the rubber tree stops gradually, and the rubber tree stops moving towards the next step, and the next step is searched for.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (1)
1. An automatic clamping device for rubber trees comprises a wedge feeding device, a guide rod axial reciprocating motion device and a plurality of sensors; the method is characterized in that: the wedge feeding devices are symmetrically arranged and are connected with the clamping frame (1) through the movable guide rod (2) and the fixed guide rod (3);
Six connecting rod connecting holes (102) of the upper clamping mechanism and the lower clamping mechanism which are the same in size, two clamping frame and movable guide rod connecting holes (101) and two clamping frame and fixed guide rod connecting holes (103) are formed in the clamping frame (1), wherein the clamping frame and movable guide rod connecting holes (101) are connected with the movable guide rod (2), the contact surface is a movable guide rod curved surface (201), the clamping frame and movable guide rod connecting holes (101) are in clearance fit with the movable guide rod curved surface (201), the clamping frame of the fixed guide rod (3) and the clamping frame (1) are connected with the fixed guide rod connecting holes (103), the contact surface is a fixed guide rod curved surface (301), the clamping frame and the fixed guide rod connecting holes (103) are in interference fit with the fixed guide rod curved surface (301), a spring (6) is arranged on the movable guide rod curved surface (201), a movable guide rod plane is in contact with a guide rod plane, the movable guide rod is respectively connected with the guide rod connecting holes (203) and the fixed guide rod connecting holes (303) through wedge blocks, the guide rod connecting holes (401), the guide rod connecting holes (702) are connected with the guide rod connecting holes (201), and the guide rod connecting device (7) is arranged on the ejector rod curved surface (7);
the wedge feeding device consists of a wedge guide rail (4) and a wedge (5), wherein the wedge (5) is connected with the wedge guide rail (4) through a screw rod (9), three holes are formed in the wedge (5), two holes are wedge and guide rod matching holes (505) with the same size, the other is a threaded wedge and screw rod matching hole (504), a wedge plane (501) which is firstly contacted with a rubber tree, a wedge fillet (502) and a clamping rubber tree plane (503) on the wedge are also formed in the wedge (5), a wedge guide rail key hole (401), a wedge guide rail plane (402), a wedge guide rail and movable guide rod or fixed guide rod contact plane (403), a wedge guide rail and guide rod matching hole (404) and a wedge guide rail and screw rod matching hole (405) are formed in the wedge guide rail (4), the wedge and the screw rod matching hole (504) is connected with the screw rod (9), power for moving with a motor is provided for the wedge and the matching hole (505) is firstly contacted with the wedge (503) on the guide rail (4) through a belt, and the wedge and the clamping rubber tree (503) are firstly contacted with the wedge (503) on the guide rail (4);
The movable guide rod (2) is in clearance fit with a clamping frame on the clamping frame (1) and a movable guide rod connecting hole (101); the fixed guide rod (3) is in interference fit with a clamping frame on the clamping frame (1) and a fixed guide rod connecting hole (103); the angle formed by the wedge block guide rails (4) and the symmetrical axis of the clamping frame (1) is 15-30 degrees, and the two wedge block guide rails (4) are symmetrical relative to the symmetrical axis of the clamping frame (1) during installation; the movable guide rod (2) is contacted with the clamping frame of the clamping frame (1) and the movable guide rod connecting hole (101), and a spring (6) is also arranged on the curved surface (201) of the movable guide rod; and the upper clamping mechanism and the lower clamping mechanism are connected through six connecting rods (8), and the upper clamping mechanism and the lower clamping mechanism are respectively provided with a set of sensor control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911267426.2A CN110754323B (en) | 2019-12-11 | 2019-12-11 | Automatic clamping device for rubber trees |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911267426.2A CN110754323B (en) | 2019-12-11 | 2019-12-11 | Automatic clamping device for rubber trees |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110754323A CN110754323A (en) | 2020-02-07 |
| CN110754323B true CN110754323B (en) | 2024-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911267426.2A Active CN110754323B (en) | 2019-12-11 | 2019-12-11 | Automatic clamping device for rubber trees |
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| CN (1) | CN110754323B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113016561B (en) * | 2021-01-06 | 2024-05-24 | 海南大学 | Automatic clamping centering rubber tapping machine for anisotropic crank |
| CN113475351A (en) * | 2021-08-16 | 2021-10-08 | 海南大学 | Automatic clamping and centering tapping machine for different-direction crank |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109275544A (en) * | 2017-07-19 | 2019-01-29 | 中国热带农业科学院橡胶研究所 | An electric rubber tapping machine |
| CN209498111U (en) * | 2018-11-22 | 2019-10-18 | 海南天然橡胶产业集团股份有限公司 | A kind of fixed device of rubber cutting machine |
| CN211322358U (en) * | 2019-12-11 | 2020-08-25 | 海南大学 | Automatic clamping device for rubber tree |
-
2019
- 2019-12-11 CN CN201911267426.2A patent/CN110754323B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109275544A (en) * | 2017-07-19 | 2019-01-29 | 中国热带农业科学院橡胶研究所 | An electric rubber tapping machine |
| CN209498111U (en) * | 2018-11-22 | 2019-10-18 | 海南天然橡胶产业集团股份有限公司 | A kind of fixed device of rubber cutting machine |
| CN211322358U (en) * | 2019-12-11 | 2020-08-25 | 海南大学 | Automatic clamping device for rubber tree |
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| Publication number | Publication date |
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| CN110754323A (en) | 2020-02-07 |
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