CN211322358U - Automatic clamping device for rubber tree - Google Patents
Automatic clamping device for rubber tree Download PDFInfo
- Publication number
- CN211322358U CN211322358U CN201922211552.8U CN201922211552U CN211322358U CN 211322358 U CN211322358 U CN 211322358U CN 201922211552 U CN201922211552 U CN 201922211552U CN 211322358 U CN211322358 U CN 211322358U
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- China
- Prior art keywords
- wedge block
- guide rod
- clamping
- clamping frame
- guide rail
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Abstract
The utility model discloses an automatic clamping device for rubber trees, which comprises a wedge block feeding device, a guide rod axial reciprocating device and a plurality of sensors; the wedge block feeding devices are symmetrically arranged and are connected with the clamping frame through movable guide rods and fixed guide rods. The utility model has the advantages that: the automatic wedge type rubber tree clamping device adopting wedge lead screw feeding type compression to clamp a rubber tree stably, the device is high in mechanical efficiency, flexible in mechanism, capable of clamping the rubber tree with large radius deviation from top to bottom, and suitable for automatic rubber tapping automatic clamping parts of the rubber tree.
Description
Technical Field
The utility model relates to a clamping device specifically is a rubber tree automatic clamping device, belongs to agricultural machine technical field.
Background
The total planting area of rubber trees in China has been increased from 51.8 ten thousand to 107 ten thousand, the tapping area is increased from 30 ten thousand to 62.7 ten thousand, and the annual yield of dried rubber is increased from 18.8 ten thousand to 75 ten thousand in 1985. The yield per unit level increased from 630 kg/in 1985 to 1200 thousand kg/in 2011. The characteristic of high industrial relevance of natural rubber as an important industrial raw material determines the universality of the market on the demand. Due to rapid development of the automobile industry and gradual shift of the world tire factories, the consumption amount of domestic natural rubber is increased year by year, and the annual increase is large in recent years, from 71 ten thousand t in 1995 to 390 ten thousand t in 2011, and from 2002, 9 continuous years are the first in the world. The domestic natural rubber self-sufficiency rate is reduced from 60.6% in 1995 to 19.3% in 2011, which is lower than 10.7% of the international strategic safety alert 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 rubber worker is seriously aged, and the attraction of young labor force engaged in rubber tapping production is insufficient, so that the shortage of the rubber worker is serious. The phenomena of tree cutting, cutting and the like occur in rubber planting areas in Hainan and Yunnan, and the operation and recruitment of some rubber-oriented farms in Guangdong agricultural reclamation are difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rubber tree self-holding device for solving the above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: an automatic clamping device for rubber trees comprises a wedge block feeding device, a guide rod axial reciprocating device and a plurality of sensors; the wedge block 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 six lower clamping mechanisms with the same size, the upper clamping mechanisms and the lower clamping mechanisms are connected with the movable guide rod connecting holes and the clamping frame and the fixed guide rod connecting holes through connecting rod connecting holes and two pairs of clamping frames and movable guide rod connecting holes, the clamping frame is connected with the movable guide rod connecting holes through movable guide rod curved surfaces, the contact surfaces of the clamping frame and the movable guide rod connecting holes are in clearance fit with the movable guide rod curved surfaces, the fixed guide rods are connected with the clamping frames of the clamping frame through the fixed guide rod connecting holes, the contact surfaces of the clamping frame and the fixed guide rod connecting holes are in interference fit with the fixed guide rod curved surfaces, springs are arranged on the movable guide rod curved surfaces, the movable guide rail planes are in contact with the wedge block guide rail planes, and are respectively connected with the movable guide rail holes and the fixed, the clamping frame and the wedge block feeding device are dynamically connected, the clamping frame is also connected with an ejector rod, and the ejector rod is composed of an ejector rod curved surface and an ejector rod mounting sensor plane;
the wedge block feeding device consists of a wedge block guide rail and a wedge block, the wedge block is connected with the wedge block guide rail through a screw rod, three holes are formed in the wedge block, two holes are wedge block and guide rod matching holes with the same size, the other hole is a thread-shaped wedge block and screw rod matching hole, a wedge block plane which is firstly contacted with a rubber tree, a wedge block fillet and a wedge block upper clamping rubber tree plane are further formed in the wedge block, a wedge block guide rail key hole, a wedge block guide rail plane, a wedge block guide rail and movable guide rod or fixed guide rod contact plane, a wedge block guide rail and guide rod matching hole and a wedge block guide rail and screw rod matching hole are formed in the wedge block guide rail, the wedge block and guide rod matching hole is connected with the screw rod, wedge block moving power is provided for the wedge block through a belt at the wedge block guide rail and guide rod matching hole, the wedge block and guide rail matching hole are connected with, the plane of the wedge block for clamping the rubber tree is firstly contacted with the rubber tree.
As a further aspect of the present invention: the movable guide rod is in clearance fit with the clamping frame and the movable guide rod connecting hole on the clamping frame.
As a further aspect of the present invention: the fixed guide rod and the clamping frame on the clamping frame are in interference fit with the fixed guide rod connecting hole.
As a further aspect of the present invention: the angle formed by the wedge block guide rails and the symmetrical axis of the clamping frame is 15-30 degrees, and the two wedge block guide rails are symmetrical about the symmetrical axis of the clamping frame when the wedge block guide rails and the clamping frame are installed.
As a further aspect of the present invention: the movable guide rod is contacted with the clamping frame of the clamping frame and the movable guide rod connecting hole, and a spring is further arranged on the curved surface of the movable guide rod.
As a further aspect of the present invention: one clamping frame, two movable guide rods, two fixed guide rods, two wedge block guide rails, two wedge blocks, two springs, two lead screws, four guide rods and one ejector rod 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, and the upper clamping mechanism and the lower clamping mechanism are respectively provided with a set of sensor control system.
The utility model has the advantages that: this rubber tree automatic clamping device reasonable in design adopts the automatic wedge block formula rubber tree clamping device that voussoir lead screw feed formula compressed tightly to press from both sides tight rubber tree, realizes the stable clamp tight to the rubber tree, and the device is not only mechanical efficiency high, and the mechanism is nimble moreover, can realize the tight clamp of the great rubber tree of radius deviation about the rubber tree, is applicable to the automatic clamping part of rubber tree tapping.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the structure of the clamping frame of the present invention;
FIG. 3 is a schematic view of the structure of the movable guide rod of the present invention;
FIG. 4 is a schematic view of the structure of the fixing guide rod of the present invention;
FIG. 5 is a schematic view of the wedge guide of the present invention;
fig. 6 is a rear view structural schematic diagram of the wedge guide rail of the present invention;
FIG. 7 is a schematic view of the wedge block structure of the present invention;
fig. 8 is a schematic view of the wedge block pressing structure of the present invention;
FIG. 9 is a schematic structural view of the wedge pressing portion of the present invention;
FIG. 10 is a schematic view of the structure of the lift pin of the present invention;
FIG. 11 is a schematic view of the structure of the clamping mechanism of the present invention;
fig. 12 is a schematic structural diagram of the sensor control system of the present invention.
In the figure: 1. a clamping frame, 2, a movable guide rod, 3, a fixed guide rod, 4, a wedge guide rod, 5, a wedge, 6, a spring, 7, a push rod, 8, a connecting rod, 9, a screw rod, 10, a guide rod, 101, a clamping frame and movable guide rod connecting hole, 102, an upper clamping mechanism and a lower clamping mechanism pass through a connecting rod connecting hole, 103, a clamping frame and fixed guide rod connecting hole, 104, a clamping frame and push rod connecting hole, 201, a movable guide rod curved surface, 202, a movable guide rod and wedge guide rail contact plane, 203, a movable guide rod and wedge guide rail connecting hole, 301, a fixed guide rod curved surface, 302, a fixed guide rod and wedge guide rail contact plane, 303, a fixed guide rod and wedge guide rail connecting hole, 401, a wedge guide rail key hole, 402, a wedge guide rail plane, 403, a wedge guide rail and movable guide rod or fixed guide rail contact plane, 405. the wedge block guide rail and screw rod matching hole 501, the wedge block plane 502, the wedge block fillet 503, the wedge block upper clamping rubber tree plane 504, the wedge block and screw rod matching hole 505, the wedge block and guide rod matching hole 701, the ejector rod curved surface 702 and the ejector rod are provided with sensor planes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 12, an automatic clamping device for rubber trees includes a wedge feeding device, a guide rod axial reciprocating device and various sensors; the wedge block feeding devices are symmetrically arranged and are connected with the clamping frame 1 through movable guide rods 2 and fixed guide rods 3;
the clamping frame 1 is provided with six upper clamping mechanisms and six lower clamping mechanisms with the same size, and the upper clamping mechanisms and the lower clamping mechanisms are connected with a movable guide rod connecting hole 101 and a clamping frame and a fixed guide rod connecting hole 103 through a connecting rod connecting hole 102 and two pairs of clamping frames and movable guide rod connecting holes 101, wherein the clamping frame and the movable guide rod connecting hole 101 are connected with a movable guide rod 2, 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 fixed guide rod 3 and the clamping frame of 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, the movable guide rod curved surface 201 is provided with a spring 6, the movable guide rail plane 202 is in contact with a wedge guide rail plane 402, the clamping frame 1 and the wedge block feeding device are dynamically connected, the clamping frame 1 is also connected with an ejector rod 7, and the ejector rod 7 is composed of an ejector rod curved surface 701 and an ejector rod mounting sensor plane 702;
the wedge block feeding device is composed of a wedge block guide rail 4 and a wedge block 5, the wedge block 5 is connected with the wedge block guide rail 4 through a lead screw 9, three holes are formed in the wedge block 5, two holes are wedge block and guide rod matching holes 505 with the same size, the other hole is a threaded wedge block and lead screw matching hole 504, a wedge block plane 501 which is firstly contacted with a rubber tree, a wedge block fillet 502 and a wedge block upper clamping rubber tree plane 503 are further formed in the wedge block 5, a wedge block guide rail key hole 401, a wedge block guide rail plane 402, a wedge block guide rail and movable guide rod or fixed guide rod contact plane 403, a wedge block guide rail and guide rod matching hole 404 and a wedge block guide rail and lead screw matching hole 405 are formed in the wedge block guide rail 4, the wedge block and lead screw matching hole 504 is connected with the lead screw 9, wedge block guide rail and lead screw matching hole 405 provides wedge block moving power with a motor through a belt, the wedge block and guide rail and guide rod matching hole 505 The wedge block guide rail is connected with a guide rod matching hole 404, a clamping rubber tree plane 503 on the wedge block is firstly contacted with a rubber tree, when the clamping device moves towards the rubber tree, the rubber tree and the wedge block plane 503 push the wedge block guide rail 4 to cause the sliding guide rail 2 to be stressed, a spring 6 starts to compress, when the clamping device continues to move, the rubber tree just passes through a wedge block round angle 502, a movable guide rod 2 is stressed by the spring 6 to push the wedge block guide rail 4 to move along a key hole 401 on the wedge block guide rail 4, when the rubber tree touches a top rod on a top rod 7 and is provided with a sensor at a sensor plane 702, meanwhile, a lead screw 9 starts to feed, the wedge block 5 moves along a guide rod 10, the wedge block plane 501 slowly clamps the rubber tree, when a preset pressure value is reached, the pressure sensor transmits.
Further, in the embodiment of the present invention, the clamping frame on the movable guide rod 2 and the clamping frame 1 is in clearance fit with 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 clamping frame on the fixing guide rod 3 and the clamping frame 1 is in interference fit with the fixing guide rod connecting hole 103, so as to ensure that the fixing guide rod 3 is located at an accurate position.
Further, in the embodiment of the present invention, the angle formed by the wedge block guide rail 4 and the symmetry axis of the clamping frame 1 is 15 ° to 30 °, and the two wedge block guide rails 4 are symmetrical to each other about the symmetry axis of the clamping frame 1 during installation.
Further, in the embodiment of the present invention, the movable guide rod 2 is provided with a spring 6 on the curved surface 201 of the movable guide rod except the contact with the clamping frame of the clamping frame 1 and the movable guide rod connecting hole 101, so that when the wedge 5 receives pressure, the guide rod moves outwards, and when the rubber tree is clamped on the wedge by the rubber tree plane 503, the movable guide rod 2 can return the position of the wedge guide rail 4 under the action force of the spring 6.
Further, in the embodiment of the utility model provides an, one centre gripping frame 1, two movable guide arm 2, two fixed guide arm 3, two voussoir guide rails 4, two voussoir 5, two springs 6, two lead screws 9, four guide arms 10 and a ejector pin 7 constitute last fixture and lower fixture, and go up fixture and be connected through six connecting rods 8 with lower fixture, and go up fixture and be equipped with one set of sensor control system respectively with lower fixture, when the centre gripping tree, consider that the tree grows, can carry out corresponding regulation centre gripping according to the radius difference of upper and lower tree.
The working principle is as follows: when the automatic rubber tree clamping device is used, a stepping mechanism of an automatic rubber tapping robot drives a clamping mechanism to move towards a rubber tree, when the radius of the rubber tree is smaller, a sensor on an ejector rod 7 is directly triggered, a signal is given to a motor, so that a lead screw 9 is driven to rotate clockwise, a wedge block 5 moves towards the inside of a clamping frame 1 under the action of the lead screw 9 and a guide rod 10, when a wedge block 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 lead screw also stops rotating, when the radius of the rubber tree is larger, the rubber tree contacts a wedge block plane 503 first, at the moment, the rubber tree continues to advance towards the inside of the clamping frame 1, a movable guide rod 2 is subjected to pressure and moves outwards, a spring 6 is subjected to the pressure, and when the rubber tree passes through a fillet 502 on the wedge block 5, the movable guide rod 2, gradually restoring the position, when the rubber tree touches the ejector rod 7, the steps are consistent, after rubber tapping is finished, the system gives a signal, the motor operates, the screw rod 9 rotates reversely, the wedge block 5 is pushed to the tail end, the travel switch is triggered, the motor stops, the stepping mechanism gradually withdraws from the rubber tree, and the next rubber tree is searched.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An automatic clamping device for rubber trees comprises a wedge block feeding device, a guide rod axial reciprocating device and a plurality of sensors; the method is characterized in that: the wedge block feeding devices are symmetrically arranged and are connected with the clamping frame (1) through movable guide rods (2) and fixed guide rods (3);
the clamping frame (1) is provided with six upper clamping mechanisms with the same size and lower clamping mechanisms which are connected with the movable guide rod (2) through a connecting rod connecting hole (102) and two pairs of clamping frames and movable guide rod connecting holes (101) and clamping frames and fixed guide rod connecting holes (103), wherein the clamping frame and the 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 the 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) is 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), and the movable guide rod curved surface (201) is provided with a spring, the movable guide rail plane (202) is in contact with the wedge guide rail plane (402) and is respectively connected with the movable guide rail hole (203) and the fixed guide rod hole (303) through a key hole (401) of the guide rail (4) by bolts, the clamping frame (1) is also connected with an ejector rod (7), and the ejector rod (7) consists of an ejector rod curved surface (701) and an ejector rod sensor plane (702);
the wedge block feeding device comprises a wedge block guide rail (4) and a wedge block (5), the wedge block (5) is connected with the wedge block guide rail (4) through a screw rod (9), three holes are formed in the wedge block (5), two holes are wedge block and guide rod matching holes (505) with the same size, the other hole is a threaded wedge block and guide rod matching hole (504), a wedge block plane (501) which is firstly contacted with a rubber tree, a wedge block fillet (502) and a wedge block upper clamping rubber tree plane (503) are further formed in the wedge block (5), a wedge block guide rail key hole (401), a wedge block guide rail plane (402), a wedge block guide rail and movable guide rod or fixed guide rod contact plane (403), a wedge block guide rail and guide rod matching hole (404) and a wedge block guide rail and screw rod matching hole (405) are formed in the wedge block and guide rail (4), and the wedge block matching hole (504) is connected with the screw rod (9), the wedge block guide rail and screw rod matching hole (405) and a motor provide wedge block moving power through a belt, a wedge block and guide rod matching hole (505) on the wedge block (5) is connected with two identical wedge block guide rail and guide rod matching holes (404) on the wedge block guide rail (4) through a guide rod (10), and a rubber tree clamping plane (503) on the wedge block is firstly contacted with a rubber tree.
2. The automatic clamping device for rubber trees according to claim 1, characterized in that: 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).
3. The automatic clamping device for rubber trees according to claim 1, characterized in that: the fixed guide rod (3) and the clamping frame on the clamping frame (1) are in interference fit with the fixed guide rod connecting hole (103).
4. The automatic clamping device for rubber trees according to claim 1, characterized in that: 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 about the symmetrical axis of the clamping frame (1) during installation.
5. The automatic clamping device for rubber trees according to claim 1, characterized in that: the movable guide rod (2) is in contact with the clamping frame of the clamping frame (1) and the movable guide rod connecting hole (101), and a spring (6) is further arranged on the curved surface (201) of the movable guide rod.
6. The automatic clamping device for rubber trees according to claim 1, characterized in that: one clamping frame (1), two movable guide rods (2), two fixed guide rods (3), two wedge block guide rails (4), two wedge blocks (5), two springs (6), two lead screws (9), four guide rods (10) and one ejector 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922211552.8U CN211322358U (en) | 2019-12-11 | 2019-12-11 | Automatic clamping device for rubber tree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922211552.8U CN211322358U (en) | 2019-12-11 | 2019-12-11 | Automatic clamping device for rubber tree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211322358U true CN211322358U (en) | 2020-08-25 |
Family
ID=72131102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922211552.8U Expired - Fee Related CN211322358U (en) | 2019-12-11 | 2019-12-11 | Automatic clamping device for rubber tree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211322358U (en) |
-
2019
- 2019-12-11 CN CN201922211552.8U patent/CN211322358U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 Termination date: 20211211 |