Tree-holding guide rail for rubber tapping machine

Abstract

The utility model relates to a rubber tapping equipment technical field, especially in kind of tree -hugging guide rail for rubber tapping machine. The prior art has solved the problem of unstable adhesion limit, big feeding resistance and inadaptability of working condition and easy to wear and tear and breakage of insufficient elasticity of tree -hugging guide rail caused by irregular surface of the trunk. Including: guide rail body, the arc structure of adapting the circumference of rubber tree, the tooth, the tooth is along the outer periphery of guide rail body setting, is used for with the gear of rubber tapping machine drive part engages, realizes the circumferential feeding movement of guide rail, limiting portion, limiting portion is along the inner periphery of guide rail body interval distribution, limiting portion forms and protrudes the protruding piece of the direction of rubber tree by guide rail body, and the protruding piece is used for with rubber tree surface abutment limit, top retreats the boss, top retreats the boss setting in adjacent limiting portion between, is used for pushing the irregular recess of tree body. Have realized "stable adhesion, smooth feeding, self -adaptation regulation's " effect.

Description

Technical Field

[0001] This utility model relates to the field of rubber tapping equipment technology, and in particular to a tree-hugging guide rail for a rubber tapping machine. Background Technology

[0002] In rubber tree tapping operations, the tree-hugging guide rail is a key component of the tapping machine. Its function is to conform to the circumferential contour of the rubber tree, provide a stable feed track for the tapping mechanism, ensure uniform tapping depth, and reduce damage to the bark.

[0003] Existing tree-hugging guides are mostly fixed arc-shaped structures, using inner protrusions to abut against the tree trunk for positioning. However, the surface of actual rubber tree trunks is not a regular cylindrical surface; it often has irregular shapes such as protrusions, nodules, or local depressions. When the guide rail feeds along the circumference of the trunk, the fixed-spaced positioning protrusions cannot adapt to the irregular changes on the trunk surface, easily leading to the following problems: 1. Unstable positioning: The raised / recessed parts can easily cause the guide rail to detach from the trunk, resulting in deviation of the rubber tapping trajectory; the recessed parts may cause the raised parts to excessively squeeze the bark, causing damage to the bark.

[0004] 2. Feed obstruction: The protrusions / recesses of the trunk make hard contact with the guide rail, increasing the feed resistance. This not only consumes more power, but may also cause poor meshing between the teeth and the drive gear due to uneven force, resulting in jamming or skipping teeth.

[0005] 3. Poor adaptability: Rubber trees of different ages and growing environments have significant differences in trunk diameter and surface morphology. Fixed guide rails are difficult to be compatible with various working conditions, requiring frequent replacement of compatible models, which increases operating costs.

[0006] 4. Rapid component wear: The hard friction between the guide rail and the irregular parts of the tree trunk, as well as the impact load caused by the sudden change in feed resistance, will accelerate the wear of the guide rail limiting components and drive transmission components, shortening their service life.

[0007] In addition, the existing guide rails have limited elastic adjustment capabilities. When the connection between the teeth and the body is too rigid, stress concentration is easily generated when the feed resistance changes, leading to tooth deformation or breakage. Furthermore, an unreasonable design of the binding and fixing structure will further aggravate the instability of the fit between the guide rail and the tree trunk, affecting the rubber tapping accuracy.

[0008] Therefore, considering the irregular surface of rubber tree trunks, designing a tree-hugging guide rail that can adaptively adjust, fit stably, feed smoothly, and is highly durable has become the key to improving the efficiency and quality of rubber tapping operations. Utility Model Content

[0009] The purpose of this utility model is to provide a tree-hugging guide rail for rubber tapping machines, which solves the problems of unstable fitting and limiting, large feeding resistance and unsmooth transmission, poor adaptability to working conditions, and insufficient elasticity leading to easy wear and breakage in the existing tree-hugging guide rails due to the irregular surface of the tree trunk.

[0010] To achieve the above objectives, the technical solution adopted by this utility model is as follows: This utility model provides a tree-hugging guide rail for a rubber tapping machine, comprising: The guide rail body has an arc-shaped structure that adapts to the circumference of the rubber tree; The teeth are arranged along the outer periphery of the guide rail body and are used to mesh with the gears of the rubber tapping machine drive component to realize the circumferential feeding motion of the guide rail; The limiting part is distributed at intervals along the inner periphery of the guide rail body. The limiting part is formed with a protrusion extending from the guide rail body toward the rubber tree. The protrusion is used to abut against the surface of the rubber tree for limiting. The top retraction protrusion is disposed between adjacent limiting portions and is used to push against irregular recesses in the tree trunk.

[0011] Furthermore, the push-out protrusion includes a stud, a positioning element, a nut, and a retainer; the positioning element is fixed on the guide rail body, the nut is sleeved on the outer periphery of the positioning element, the stud is axially inserted into the positioning element, a ball head is provided at one end of the stud near the rubber tree, and the retainer is engaged with the ball head.

[0012] Furthermore, a radially protruding limiting block is provided at one end of the positioning member near the rubber tree, and the end face of the limiting block abuts against the side of the nut near the rubber tree to prevent the nut from falling off the positioning member; The positioning member has a positioning groove along the axial direction in the middle, which is used for inserting the stud and for radially limiting its movement.

[0013] Furthermore, the outer circumferential surface of the stud is provided with a flat portion and a threaded portion. The flat portion fits against the inner wall of the positioning groove to restrict the circumferential rotation of the stud. The threaded portion is provided on both sides of the flat portion and engages with the internal thread of the nut to achieve axial fixation of the stud.

[0014] Furthermore, the end of the card near the rubber tree is provided with a push angle, which is circumferentially distributed at the end of the card.

[0015] Furthermore, the protrusion of the limiting part is triangular, square pyramidal, conical, or hemispherical in shape.

[0016] Furthermore, the guide rail body is provided with binding holes at both ends. The binding holes are used to pass binding straps through to fix the guide rail body to the outer periphery of the rubber tree, and the end face of the protrusion facing the rubber tree is an arc-shaped surface or a plane.

[0017] Furthermore, the teeth are provided with slots to increase the elastic deformation capability of the guide rail body.

[0018] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art: This utility model provides a tree-hugging guide rail for a rubber tapping machine. By setting a push-back protrusion between adjacent limiting parts, it can flexibly push against irregular recesses in the tree trunk, avoiding the problem of local detachment or excessive compression of the bark caused by the irregular surface of the tree trunk in existing guide rails, and achieving flexible fit and limiting between the guide rail and the tree trunk. Furthermore, the push angle can buffer the impact force at the recessed part of the trunk, and the anti-rotation fit between the flat part of the stud and the positioning groove, as well as the stable locking of the threaded part and the nut, can evenly distribute the feed resistance, reduce the meshing jamming and skipping of the drive gear and teeth, and ensure smooth circumferential feed motion. Furthermore, the toothed groove design enhances the elastic deformation capability of the guide rail body and the toothed connection part, relieving stress concentration and preventing tooth breakage; the arc-shaped / flat end face of the limiting part protrusion and the rotating fit structure of the top protrusion reduce hard friction with the trunk and extend the service life of the overall component. Attached Figure Description

[0019] The following sections will describe some specific embodiments of the present invention in a detailed manner by way of example and not limitation, with reference to the accompanying drawings. The same reference numerals in the drawings denote the same or similar parts or components. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings: Figure 1 This is a schematic diagram (a) of the planar structure of a tree-holding guide rail for a rubber tapping machine provided by this utility model; Figure 2 This is a schematic diagram (II) of the planar structure of a tree-holding guide rail for a rubber tapping machine provided by this utility model; Figure 3 This is a schematic diagram of the structure of the push-out protrusion provided in this utility model; Figure 4 This is a schematic diagram of the structure of the nut provided in this utility model; Figure 5 This is a schematic diagram of the structure of the stud provided in this utility model; Figure 6 This is a schematic diagram of the structure of the card provided in this utility model; The reference numerals in the attached figures are explained as follows: 1. Guide rail body; 10. Restraining holes; 2. Teeth; 200. Grooves; 3. Limiting part; 4. Push-out protrusion; 40. Stud; 400. Ball head; 401. Flat part; 402. Threaded part; 41. Positioning part; 410. Limiting block; 411. Positioning groove; 42. Nut; 43. Clamp; 430. Push-out angle. Detailed Implementation

[0020] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] like Figure 1 The diagram shows a tree-hugging guide rail for a rubber tapping machine, comprising a guide rail body 1, teeth 2, a limiting part 3, and a push-back protrusion 4. Through precise structural design and assembly relationships, each component achieves the functions of "stable fit, smooth feed, and adaptive adjustment."

[0022] Specifically, see Figures 1 to 3 The guide rail body 1, as the basic load-bearing component of the entire guide rail, has an arc-shaped structure that adapts to the circumferential contour of the rubber tree. This ensures initial contact with the tree trunk surface and provides a stable installation reference for other components. To prevent the guide rail from shifting along the axial or circumferential direction of the tree trunk during operation, binding holes 10 are radially provided at both ends of the guide rail body 1. In actual use, binding straps can be threaded through to detachably fix the guide rail body 1 to the outer periphery of the rubber tree, while also allowing for flexible adjustment of the binding tightness according to the trunk diameter to accommodate rubber trees of different thicknesses.

[0023] The outer periphery of the guide rail body 1 is evenly distributed with teeth 2 along its arc-shaped direction. During operation, the teeth 2 mesh with the drive gear to transmit power, driving the guide rail to feed smoothly along the circumference of the tree trunk. In addition, to solve the problem that traditional guide rail teeth are prone to breakage due to excessive rigidity and sudden changes in feed resistance, in this example, a slot 200 is opened in the middle of the teeth 2. The slot 200 can effectively weaken the rigidity of the connection between the teeth 2 and the guide rail body 1, and increase the elastic deformation capacity of this area. When the resistance suddenly increases due to the concavity of the tree trunk during the feeding process, the slot 200 can absorb part of the stress through small deformation, avoiding cracks or breakage of the teeth 2 due to stress concentration, and extending the service life of the teeth 2.

[0024] The guide rail body 1 has spaced limiting parts 3 along its inner periphery, which are integrally injection molded with the guide rail body 1. The limiting parts 3 are protrusions extending from the guide rail body 1 towards the rubber tree. To adapt to different operating scenarios and trunk surface characteristics, the shape of the protrusions can be flexibly selected as triangular, pyramidal, conical, or hemispherical. The end of the protrusion is an arc-shaped or flat surface, used to contact the rubber tree surface and provide a limiting function. During operation, the protrusions of the limiting parts 3 directly abut against the rubber tree surface, forming the basic radial limiting of the guide rail, preventing the guide rail from detaching radially along the trunk during feeding. Simultaneously, the gentle contact surface design minimizes frictional damage to the bark, ensuring the rubber tree's subsequent latex production capacity.

[0025] To address the irregularities commonly found on the surface of rubber tree trunks, such as protrusions, indentations, and nodules (which can easily cause traditional guide rails to jam or partially detach), in this example, a push-back protrusion 4 is provided between adjacent limiting parts 3. Through an "adjustable and self-adaptive" structural design, it achieves flexible pushing and adaptation to irregular parts.

[0026] The push-out protrusion 4 includes a stud 40, a positioning element 41, a nut 42, and a retaining element 43. Specifically, the positioning element 41 is fixed to the corresponding position on the inner periphery of the guide rail body 1 by integral injection molding, welding, or bolt fastening. A positioning groove 411 is formed axially in the middle of the positioning element 41. The groove width matches the diameter of the stud 40, which ensures that the stud 40 can be smoothly inserted into the positioning groove 411, and also provides radial restraint for the stud 40 through the plane of the inner wall of the groove.

[0027] The positioning component 41 has a radially protruding limiting block 410 integrally formed at the end near the rubber tree. The limiting block 410 can be designed as a ring structure (fitted around the outer periphery of the positioning component 41) or two symmetrically distributed block structures. When the nut 42 is fitted around the outer periphery of the positioning component 41, the limiting block 410 can tightly abut against the side of the nut 42 near the rubber tree, forming an axial limit on the nut 42. This effectively prevents the nut 42 from falling off the end of the positioning component 41 near the rubber tree due to vibration during operation, ensuring the stability of the overall structure.

[0028] The stud 40 is the core adjusting component of the push-out protrusion 4. Along the axial direction of the stud 40, there are parallel flat surfaces 401 on the left and right sides, and continuous threaded surfaces 402 on the top and bottom sides (the thread specification is completely matched with the internal thread of the nut 42). When the stud 40 is inserted into the positioning groove 411 of the positioning member 41 along the axial direction, the flat surfaces 401 are tightly fitted with the parallel flat surfaces on both sides of the positioning groove 411, which can directly restrict the circumferential rotation of the stud 40 and avoid the problem of the stud rotating synchronously with the nut 42 when it is subsequently engaged with the nut 42. The threaded surfaces 402 are used to engage with the nut 42. By rotating the nut 42, the length of the stud 40 extending out of the positioning member 41 can be adjusted, thereby adapting to the different heights of the tree trunk recess.

[0029] In addition, the end of the stud 40 near the rubber tree is integrally formed with a ball head 400. The diameter of the ball head 400 is 1.2 to 1.5 times the diameter of the stud 40, which not only ensures a stable engagement with the clamp 43, but also provides sufficient rotation space for the clamp 43.

[0030] As a component that directly contacts the tree trunk, the clamp 43 has an integrally formed push angle 430 at the end closest to the rubber tree. The push angle 430 is evenly distributed circumferentially along the end of the clamp 43 (3 to 4 in number). During operation, it can adaptively push against the tree trunk to prevent the guide rail from being obstructed or detached.

[0031] During operation, the working process of the push-back protrusion 4 is as follows: First, based on the approximate diameter of the rubber tree trunk, the extension length of the stud 40 is adjusted by rotating the nut 42, so that the push angle 430 of the clamp 43 initially approaches the surface of the trunk. When the guide rail feeds along the circumference of the trunk and encounters a depression or nodule, the push angle 430 first contacts the irregular part. At this time, the clamp 43 can adaptively rotate around the ball head 400 of the stud 40 to adjust the push angle to fit the depression surface. At the same time, through the pushing action of the push angle 430, the guide rail is prevented from jamming due to obstruction by the depression, or the limiting part 3 is prevented from detaching from the trunk due to excessive local force. The cooperation of the limiting block 410 of the positioning part 41, the flat part 401 of the stud 40, and the positioning groove 411 ensures the structural stability of the push-back protrusion 4 throughout the process, and prevents the parts from becoming loose or shifting.

[0032] The above embodiments are only for illustrating the technical concept and features of this utility model. Their purpose is to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be used to limit the protection scope of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the protection scope of this utility model.

Claims

1. A tree-hugging guide rail for a rubber tapping machine, characterized in that, include: The guide rail body (1) has an arc-shaped structure that adapts to the circumference of the rubber tree; Teeth (2), the teeth (2) are arranged along the outer periphery of the guide rail body (1) and are used to mesh with the gears of the rubber tapping machine drive component to realize the circumferential feeding motion of the guide rail; The limiting part (3) is distributed at intervals along the inner periphery of the guide rail body (1). The limiting part (3) has a protrusion extending from the guide rail body (1) toward the rubber tree. The protrusion is used to abut against the surface of the rubber tree for limiting. The top retraction protrusion (4) is disposed between adjacent limiting parts (3) and is used to push against the irregular concave part of the tree trunk.

2. The tree-holding guide rail for a rubber tapping machine according to claim 1, characterized in that, The top retraction protrusion (4) includes a stud (40), a positioning element (41), a nut (42), and a retainer (43); the positioning element (41) is fixed on the guide rail body (1), the nut (42) is sleeved on the outer periphery of the positioning element (41), the stud (40) is axially inserted into the positioning element (41), and a ball head (400) is provided at one end of the stud (40) near the rubber tree, and the retainer (43) is engaged on the ball head (400).

3. The tree-holding guide rail for a rubber tapping machine according to claim 2, characterized in that, The positioning member (41) has a radially protruding limiting block (410) at one end near the rubber tree. The end face of the limiting block (410) abuts against the side of the nut (42) near the rubber tree to prevent the nut (42) from falling off the positioning member (41). The positioning member (41) has a positioning groove (411) in the middle along the axial direction. The positioning groove (411) is used for inserting the stud (40) and for radially limiting it.

4. The tree-holding guide rail for a rubber tapping machine according to claim 3, characterized in that, The stud (40) has a flat portion (401) and a threaded portion (402) on its outer peripheral surface. The flat portion (401) fits against the inner wall of the positioning groove (411) to restrict the circumferential rotation of the stud (40). The threaded portion (402) is located on both sides of the flat portion (401) and engages with the internal thread of the nut (42) to achieve axial fixation of the stud (40).

5. The tree-holding guide rail for a rubber tapping machine according to claim 2, characterized in that, The card (43) has a push angle (430) at one end near the rubber tree, and the push angle (430) is circumferentially distributed at the end of the card (43).

6. The tree-holding guide rail for a rubber tapping machine according to claim 1, characterized in that, The protrusion of the limiting part (3) is triangular, square pyramidal, conical or hemispherical.

7. The tree-holding guide rail for a rubber tapping machine according to claim 1, characterized in that, The guide rail body (1) is provided with binding holes (10) at both ends. The binding holes (10) are used to pass binding straps through to fix the guide rail body (1) to the outer periphery of the rubber tree, and the end face of the protrusion facing the rubber tree is an arc-shaped surface or a plane.

8. The tree-hugging guide rail for a rubber tapping machine according to claim 1, characterized in that, The teeth (2) have slots (200) to increase the elastic deformation capability of the guide rail body (1).

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