Automatic feeding saw cutting method and device

Abstract

The invention discloses an automatic feeding saw cutting method and device. The automatic feeding saw cutting device comprises a saw cutting device power unit, a guide plate and a reset part, wherein the guide plate and the reset part are installed on the saw cutting device power unit. The sawing device power is used for providing a sawing power source and a handheld operation space for an operator; the guide plate and the reset piece are arranged on the same power side of the sawing device, the reset piece is located on the side, moving towards the sawing device, of the saw chain, and the guide plate and the reset piece are arranged in a V shape. The reset piece is fixedly or movably installed on the sawing device power device. A guide groove is formed in the guide plate, a saw chain is installed on the guide groove, and the saw cutting device can drive the saw chain to rotate circularly through power. Through the arrangement of the reset piece, original transverse moving saw cutting is adjusted into longitudinal moving saw cutting parallel to the moving direction of the saw chain, saw cutting force transmitted by the saw chain is converted into automatic feeding force of sawn timber through the V-shaped arrangement of the reset piece, and the sawn timber can be conveniently cut.

Description

Technical Field

[0001] The present invention relates to the technical field of sawing devices, and particularly relates to an automatic feeding sawing method and device. Background Art

[0002] A sawing tool is a tool that uses the sharp edge of a sawtooth to cut or process materials into the required shape by means of reciprocating motion, rotary motion, or circular motion, etc. The shape, size, and arrangement of the sawteeth determine the cutting ability and applicable materials of the sawing tool.

[0003] When an existing operator uses a chainsaw to saw trees or bamboo, an advancing force (acting force) needs to be applied to the chainsaw. This advancing force is perpendicular to the moving direction of the sawteeth on the chainsaw, or, after inserting the log tooth into the wood to form a rotation center, the operator applies a rotational advancing force to the chainsaw based on this rotation center to cut the tree. The magnitude of the advancing force in the above two methods has a greater impact on the cutting effect, and the magnitude of the advancing force is applied by the operator. Therefore, in order to ensure the safety of the operator and the sawing effect, it is generally required that the operator perform two-handed operation and apply the maximum advancing force as much as possible and control the feeding direction. Therefore, the operator is very prone to fatigue, and when the cutting is about to be completed, the cut tree cannot be supported, and the direction of the falling tree cannot be guided. After the tree falls, it is easy to fall towards the operator, posing a threat to the safety of the operator. Summary of the Invention

[0004] The purpose of the present invention is to propose an automatic feeding sawing method and device to solve the problem in the background art that when an existing operator uses a chainsaw, an advancing force perpendicular to the direction of the sawteeth needs to be applied, resulting in the operator being prone to fatigue, and after the tree cutting is completed, the direction of the falling tree cannot be guided in time, and it is easy to fall towards the operator, posing a threat to the safety of the operator.

[0005] To achieve the above purpose, the present invention proposes an automatic feeding sawing device, including a sawing device power source, a sawing assembly installed on the sawing device power source, and a reset member; the sawing device power source is used to provide a sawing power source and a space for the operator to hold; the sawing assembly includes a guide plate and a saw chain installed on the guide plate; the guide plate and the reset member are on the same side of the sawing device power source, the reset member is located on the side where the saw chain moves towards the sawing device power source, and the guide plate and the reset member are arranged in a V shape; the reset member is fixedly or movably installed on the sawing device power source; a guide groove is provided on the guide plate, and the saw chain is installed on the guide groove, and the sawing device power source can drive the saw chain to move.

[0006] Optionally, a traction structure is installed on the sawing device power source and the reset member movably installed on the sawing device power source, and this traction structure is used to traction the reset member.

[0007] Optionally, a fixing structure connected to the power of the sawing device is installed on the reset member. This fixing structure is used to movably install the reset member on the power of the sawing device, enabling the reset member to rotate around the fixing structure.

[0008] Optionally, the reset member can rotate around the fixing structure. The fixing structure and the traction structure are used to provide a reset force to reset the reset member to its initial position. The reset member is used to guide and restrict the sawn timber, so that the frictional force between the saw chain and the sawn timber can be used as the feed force for sawing, and the side of the saw chain moving towards the power of the sawing device is in contact with the sawn timber.

[0009] Optionally, the fixing structure includes a reset member rotating shaft arranged on the power of the sawing device, an installation hole group arranged on the reset member, a reset member end cover installed in the installation hole group, a rolling member movably installed on the reset member end cover, a rotation limiting ring and a snap ring installed on the reset member end cover, a limiting groove corresponding to the rolling member arranged on the reset member rotating shaft, a sliding groove corresponding to the rolling member arranged in the installation hole group, a torsion spring sleeved on the reset member end cover and connected to the reset member, and a rolling member limiting structure installed on the reset member for limiting the rolling member.

[0010] Optionally, an initial guiding surface is provided at one end of the reset member away from the power of the sawing device, and a guiding surface is provided on the end surface of the reset member facing the saw chain. This guiding surface is used to ensure the one-way movement of the sawn timber on this end surface, ensuring that the distance between the sawn timber and the power of the sawing device gradually decreases before the sawn timber is cut off.

[0011] Optionally, the traction structure includes a hook, a traction connecting piece, and an elastic member. One end of the hook is rotatably installed on the power of the sawing device. The traction connecting piece is installed on the hook. The two ends of the elastic member are respectively connected to the power of the sawing device and the reset member.

[0012] Optionally, a connecting block is provided on the hook, and a connecting groove corresponding to the connecting block is provided on the traction connecting piece. A groove corresponding to the elastic member is provided on the reset member, and the connection position of the elastic member and the reset member is located in the groove. A groove cover plate corresponding to the groove is installed on the reset member.

[0013] Optionally, the traction structure includes a traction plate movably installed on the power of the sawing device, and an elastic member with one end installed on the traction plate and the other end installed on the power of the sawing device.

[0014] Optionally, a guiding groove is provided on the traction plate, and a fixing pin is installed on the reset member. The exposed part of the fixing pin is located in the guiding groove and moves along the guiding groove.

[0015] Optionally, a mounting column is installed on the sawing device power, and a mounting hole corresponding to the mounting column is provided on the traction plate. The mounting column is located in the mounting hole, so that the traction plate is movably connected to the sawing device power.

[0016] Optionally, an annular groove is provided on the mounting column, and an elastic retaining ring is installed in the annular groove.

[0017] Optionally, a limiting protrusion is provided on the reset member, and the limiting protrusion is used to limit the rotation angle of the reset member.

[0018] Optionally, the traction structure further includes a traction hook detachably connected to the mounting column, a connecting pin mounted on the traction hook, a connecting block mounted on the connecting pin, an open retaining ring mounted at the end of the connecting pin, the connecting pin being connected to one end of the elastic member, and the other end of the elastic member being connected to the reset member. Optionally, a mounting seat is provided on the reset member, an avoidance groove is provided on the mounting seat, and the mounting seat is fixedly mounted on the power of the sawing device by bolts.

[0019] The present invention also provides a method for automatically feeding a sawing device, comprising the following steps: The first step is to hold the sawing device power and start the sawing device power to drive the saw chain to move; The second step is to saw the sawn timber so that the sawn timber is located between the reset member and the saw chain, and the sawn timber is in contact with the reset member and the saw chain, so that the cutting surface formed by the movement of the saw chain forms an angle of 10° to 150° with the sawn timber; In the third step, the operator uses the sawing force of the saw chain to control the movement of the entire sawing device, and the movement direction is within the angle range formed by the cutting surface formed by the saw chain on the sawn material and the guide surface of the reset part, and the sawn material is sawed until the sawn material is completely cut off.

[0020] Optionally, the angle formed by the cutting surface formed by the movement of the saw chain and the sawn timber is 20° to 90°.

[0021] Compared with the prior art, the present invention provides an automatic feeding sawing method and device, which has the following beneficial effects: The automatic feeding sawing method and device are used to guide the sawn material and ensure that the sawn material can be closely attached to the saw chain to cut the sawn material. The operator only needs to push the sawing device to move to saw the sawn material. The original horizontal movement sawing is adjusted to the longitudinal movement sawing parallel to the movement direction of the saw chain, which is convenient for the operator to operate. The friction between the saw chain and the sawn material is converted into the feeding force of the sawn material. With the reset part and the V-shaped setting of the guide plate, the user does not need to expend effort to apply the feeding force, which is convenient for cutting the sawn material. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is the overall structural schematic diagram of the present invention.

[0023] Figure 2 is the schematic diagram of the disassembly of the overall structure of the present invention.

[0024] Figure 3 is the present invention Figure 2 partial enlarged view of part A in the present invention.

[0025] Figure 4 is the schematic diagram of the traction state of the present invention.

[0026] Figure 5 is the schematic diagram of the fixing structure of the present invention.

[0027] Figure 6 is the present invention Figure 5 partial enlarged view of part B in the present invention.

[0028] Figure 7 is the schematic diagram of the end cap of the reset member and the fixed shaft of the present invention.

[0029] Figure 8 is the schematic diagram of the cooperation between the fixed shaft and the rolling member of the present invention.

[0030] Figure 9 is the schematic diagram of the structure of the torsion spring and the end cap of the reset member of the present invention.

[0031] Figure 10 is the schematic diagram of the limiting structure of the rolling member of the present invention.

[0032] Figure 11 is the overall structural schematic diagram in Embodiment 2 of the present invention.

[0033] Figure 12 is the schematic diagram of the disassembly of the overall structure in Embodiment 2 of the present invention.

[0034] Figure 13 is the present invention Figure 12 partial enlarged view of part C in the present invention.

[0035] Figure 14 is the schematic diagram of the usage state in Embodiment 2 of the present invention.

[0036] Figure 15 is the structural schematic diagram of Embodiment 3 of the present invention.

[0037] Figure 16 is the structural schematic diagram of Embodiment 4 of the present invention.

[0038] Figure 17 is the schematic diagram of the disassembly of the overall structure in Embodiment 5 of the present invention.

[0039] Figure 18It is a schematic diagram showing the connection between the connecting pin and the elastic member in Embodiment 5 of the present invention.

[0040] Figure 19 It is a schematic diagram showing the open state of the reset member in Embodiment 5 of the present invention.

[0041] Figure 20 It is a schematic diagram showing the closed state of the reset member in Embodiment 5 of the present invention.

[0042] Figure 21 It is a schematic diagram showing the working state of the limit stop in Embodiment 5 of the present invention.

[0043] Figure 22 It is a schematic diagram showing the structure of the reset member and the power of the sawing device in Embodiment 6 of the present invention.

[0044] Figure 23 It is an exploded schematic diagram of the reset member and the power of the sawing device in Embodiment 6 of the present invention.

[0045] Identifications in the figure: 1. Power of the sawing device; 11. Mounting post; 12. Ring groove; 13. Elastic retaining ring; 2. Sawing assembly; 21. Guide plate; 22. Saw chain; 23. Fixed connecting piece; 3. Reset member; 31. Initial guiding surface; 32. Guiding surface; 321. Curved surface; 322. Tooth-shaped surface; 323. Rolling wheel; 33. Groove; 34. Groove cover plate; 35. Limit protrusion; 36. Mounting seat; 37. Avoidance groove; 4. Fixed structure; 40. Rolling member limiting structure; 401. Cover plate; 402. Eccentric rotating shaft; 403. Rotating disc; 404. Abutting plate; 405. Abutting mounting groove; 406. Abutting spring; 407. Slide block; 41. Reset member rotating shaft; 42. Mounting hole group; 421. First through hole; 422. Second through hole; 43. Reset member end cover; 431. Insertion hole; 432. Moving hole; 433. Slot; 434. Rotating limit groove; 44. Rolling member; 45. Rotating limit ring; 451. Limit block; 46. Snap ring; 461. Inserting block; 47. Limit groove; 48. Slide groove; 49. Torsion spring; 5. Traction structure; 501. Traction plate; 502. Elastic member; 503. Guide groove; 504. Fixed pin; 505. Mounting hole; 51. Hook; 511. Connecting block; 52. Traction connecting piece; 521. Connecting groove; 53. Elastic member; 5a. Traction fixing column; 5b. Traction hook; 5c. Connecting pin; 5d. Connecting block; 5e. Snap ring; 6. Limit assembly; 61. Limit mounting cavity; 62. Mounting pin; 63. Limit stop; 64. Limit switch; 65. Switch groove; 66. Linkage tension spring; 67. Closing groove; 68. Opening groove. Detailed implementation manners

[0046] The following will be described in detail in conjunction with the accompanying drawings and specific embodiments. Many specific details are set forth in the following description in order to provide a thorough understanding of the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0047] An automatic feeding sawing device of the present application can be applicable to occasions such as cutting sawn timber, and of course, it can also be used in other similar application scenarios. The following will describe an automatic feeding sawing device in detail.

[0048] Embodiment 1 Refer to the attached Figure 1 — Figure 10 As shown in the figure, a structural schematic diagram of a preferred embodiment of an automatic feeding sawing device of the present application is shown. The automatic feeding sawing device includes a sawing device power source 1, a guide plate 21 and a reset member 3 installed on the sawing device power source 1. Among them, the sawing device power source 1 is used to provide a sawing power source and a holding space for the operator. A traction structure 5 connected to the reset member 3 is installed on the sawing device power source 1. A guide groove is provided on the guide plate 21, and a saw chain 22 is installed on the guide groove. The sawing device power source 1 drives the saw chain 22 to move along the guide groove. A fixing structure 4 connected to the sawing device power source 1 is installed on the reset member 3. It should be particularly noted that the guide plate 21 and the reset member 3 are on the same side of the sawing device power source 1, and the guide plate 21 and the reset member 3 are arranged in a V shape. The reset member 3 can rotate around the fixing structure 4. The fixing structure 4 and the traction structure 5 are used to provide a reset force to reset the reset member 3 to the initial position. The reset member 3 is located on the side where the saw chain 22 moves towards the sawing device power source 1. It should be particularly noted that a power source is provided inside the sawing device power source 1 of the present application, which can be in the prior art, so the present application will not elaborate on it here.

[0049] Through the arrangement of the guide plate 21 and in cooperation with the guide groove, an installation position and guidance are provided for the saw chain 22, enabling the saw chain 22 to move along the guide groove; through the arrangement of the reset member 3, it is used to guide and limit the sawn timber, preventing the sawn timber from slipping with the saw chain during the sawing process, ensuring that the saw chain 22 is in close contact with the sawn timber, and the saw chain 22 saws the sawn timber. Moreover, since the reset member 3 can rotate around the fixed structure 4, it is possible to saw sawn timbers of different sizes; through the arrangement of the traction structure 5, it is used to provide a reset force for the reset member 3, applying a force for the reset member 3 that rotates under the influence of the sawn timber to move back to its original position. In cooperation with the V-shaped arrangement of the guide plate 21 and the reset member 3, it is ensured that the reset member 3 can limit the sawn timber, making the sawn timber in close contact with the saw chain 22 and avoiding slippage when the saw chain 22 contacts the sawn timber. Additionally, since the reset member 3 is located on the side where the saw chain 22 moves towards the power 1 of the sawing device, when the saw chain 22 contacts the surface of the sawn timber, the frictional force between the saw chain 22 and the sawn timber causes the guide plate 21 to move forward, making the sawn timber move towards the power 1 of the sawing device, converting the frictional force into a feeding force, enabling the saw chain 22 to saw the sawn timber, and the operator does not need to apply a large amount of force to provide the feeding force for the saw chain 22, thus facilitating the operation of the operator.

[0050] Refer to the appendix Figure 2 — Figure 10As shown, in the present invention, the fixing structure 4 includes a reset member rotating shaft 41 provided on the power 1 of the sawing device, a mounting hole group 42 provided on the reset member 3, a reset member end cover 43 mounted in the mounting hole group 42, a rolling member 44 movably mounted on the reset member end cover 43, a rotation limiting ring 45 and a snap ring 46 mounted on the reset member end cover 43, a limiting groove 47 corresponding to the rolling member 44 provided on the reset member rotating shaft 41, a sliding groove 48 corresponding to the rolling member 44 provided in the mounting hole group 42, a torsion spring 49 with one end connected to the reset member end cover 43 and the other end connected to the reset member 3, and a rolling member limiting structure 40 mounted on the reset member 3 for limiting the rolling member 44; wherein, the mounting hole group 42 includes a first through hole 421 and second through holes 422 provided at both ends of the first through hole 421; the reset member end cover 43 is provided with a jack 431, a movable hole 432, a slot 433 and a rotation limiting groove 434, the jack 431 is adapted to the reset member rotating shaft 41 and is communicated with the movable hole 432, the rolling member 44 is located in the movable hole 432, the slot 433 and the rotation limiting groove 434 are communicated with each other and are arranged in an L shape; the rotation limiting ring 45 is provided with a limiting block 451 adapted to the rotation limiting groove 434, and the limiting block 451 enters the rotation limiting groove 434 through the slot 433; the snap ring 46 is provided with a plug 461 adapted to the slot 433; the rolling member limiting structure 40 includes a cover plate 401 mounted on the reset member 3, an eccentric rotating shaft 402 mounted on the reset member 3, a rotating disk 403 mounted on the eccentric rotating shaft 402 and penetrating through the cover plate 401, a contact plate 404 provided on the rotating disk 403, a contact mounting groove 405 provided on the reset member 3, a contact spring 406 with one end mounted in the contact mounting groove 405, and a slider 407 mounted on the other end of the contact spring 406 and closely attached to the outer wall of the reset member end cover 43, and the slider 407 is in contact with the contact plate 404; it should be particularly noted that the rolling member 44 can be a ball.

[0051] The usage principle of the fixing structure 4 of the present invention is as follows: First, place the rolling element 44 in the moving hole 432 of the reset part end cover 43, then insert the reset part end cover 43 into the mounting hole group 42, and then install the reset part end cover 43 on the reset part 3 by matching the rotating limit ring 45 with the limit block 451 and the rotating limit groove 434. Subsequently, insert the insertion block 461 of the snap ring 46 into the slot 433, thereby installing the reset part end cover 43 on the reset part 3. Then install the rolling element limiting structure 40. Specifically, after installing the slider 407 and the abutting spring 406, install the other end of the abutting spring 406 into the abutting mounting groove 405, then install the rotating disc 403, and finally complete the installation of the rolling element limiting structure 40 through the cover plate 401. Finally, insert the reset part rotating shaft 41 into the jack 431. The reset part rotating shaft 41 pushes the rolling element 44 to move outward, pushing the slider 407 to move until the reset part rotating shaft 41 reaches the designated position. The rolling element 44 enters the limiting groove 47 through the abutting spring 406, and the rolling element 44 can rotate in the sliding groove 48.

[0052] Refer to the appendix Figure 1 — Figure 4 As shown, in the present invention, an initial guiding surface 31 is provided at one end of the reset part 3 away from the power 1 of the sawing device. A guiding surface 32 is provided on the end surface of the reset part 3 facing the saw chain 22; among them, the guiding surface 32 is a curved surface.

[0053] Through the setting of the initial guiding surface 31 of the present invention, the saw material is guided, facilitating the operator to limit the saw material between the reset part 3 and the guide plate 21, making the saw chain 22 contact the saw material and perform sawing on the saw material; through the setting of the guiding surface 32, it is used to ensure the one-way movement of the saw material on this end surface, ensuring that the distance between the saw material and the power 1 of the sawing device gradually decreases before the saw material is cut off. In this embodiment, the guiding surface 32 is set as a curved surface, which can guide the saw material to a certain extent and facilitate the saw chain 22 to contact the saw material for sawing.

[0054] Refer to the appendix Figure 1 — Figure 3 As shown, in the present invention, the traction structure 5 includes a hook 51 rotatably mounted on the power 1 of the sawing device, a traction connecting member 52 mounted on the hook 51, and an elastic member 53 with two ends respectively mounted on the traction connecting member 52 and the reset part 3. The elastic member 53 can be a spring.

[0055] In the present invention, through the provision of the hook 51, it is used to provide an installation position for the traction connecting member 52; through the provision of the traction connecting member 52, it is used to provide an installation position for the elastic member 53 and fix one end of the elastic member 53, enabling the elastic member 53 to undergo elastic deformation; through the provision of the elastic member 53, the reset member 3 is connected to the traction connecting member 52. When the reset member 3 rotates, the elastic member 53 deforms, generating a reset force to pull the reset member 3 back to its original position, clamping the sawn timber between the saw chain 22 and the reset member 3, ensuring that the sawn timber is in close contact with the saw chain 22, and the saw chain 22 cuts the sawn timber.

[0056] Refer to the attached Figure 1 — Figure 3 As shown, in the present invention, the hook 51 is further provided with a connecting block 511, and the traction connecting member 52 is provided with a connecting groove 521 corresponding to the connecting block 511; the reset member 3 is provided with a groove 33 corresponding to the elastic member 53, and the connection position of the elastic member 53 and the reset member 3 is located within the groove 33; a groove cover plate 34 corresponding to the groove 33 is installed on the reset member 3.

[0057] In the present invention, through the provision of the connecting block 511 and in cooperation with the connecting groove 521, the traction connecting member 52 can be installed on the hook 51; through the provision of the groove 33 and in cooperation with the groove cover plate 34, it is used to hide the connection position, preventing sawdust from getting stuck on the elastic member 53 during the sawing process, ensuring that the elastic member 53 can expand and contract normally; it should be particularly noted that a connecting post is provided at the end of the groove 33, and one end of the elastic member 53 is hung on the connecting post.

[0058] Refer to the attached Figure 1 — Figure 9 As shown, in the present invention, the reset member 3 is provided with a limiting protrusion 35, which is used to limit the rotation angle of the reset member 3, restricting the rotation range of the reset member 3, protecting the elastic member 53 and the torsion spring 49, ensuring that when the reset member 3 is at the maximum rotation angle, both the elastic member 53 and the torsion spring 49 are within the elastic limit and can be reset.

[0059] Refer to the attached Figure 1 — Figure 10 As shown, the present invention also provides a method for an automatic feeding sawing device, and the specific steps of this method are as follows: First step, the operator holds the entire sawing device through the sawing device power 1, and then starts the sawing device power 1. The sawing device power 1 drives the saw chain 22 to perform a rotational motion; In the second step, the operator holds the sawing device close to the sawn timber, positions the sawn timber between the reset member 3 and the saw chain 22, and makes the saw chain 22 contact the sawn timber, so that the included angle between the cutting plane formed by the movement of the saw chain 22 and the sawn timber is 20° to 90°; it should be particularly noted that the cutting plane of the saw chain 22 is the plane formed by the saw chain 22 during movement.

[0060] In the third step, the operator drives the entire sawing device to move through the power 1 of the sawing device. The moving direction is within the included angle range formed by the cutting plane formed by the saw chain 22 on the sawn timber and the guiding surface 32 of the reset member 3, and the sawn timber is sawed until it is completely cut off; specifically, when the operator pushes the power 1 of the sawing device to move, since the sawn timber is guided by the reset member 3 and the sawn timber is located between the saw chain 22 and the reset member 3, when the sawn timber just contacts the saw chain 22, the sawn timber may slip or rebound (recoil). At this time, the sawn timber is quickly separated from the saw chain 22, but due to the limitation of the reset member 3, it cannot be separated from the saw chain 22. At this time, the saw chain 22 can saw the sawn timber and cut deep into the sawn timber. Since the saw chain 22 contacts and cuts into the sawn timber, a frictional force will be generated between the saw chain 22 and the sawn timber. This frictional force will pull the saw chain 22 forward. Combined with the V-shaped setting of the reset member 3 and the guide plate 21, the distance between the reset member 3 and the saw chain 22 is reduced, and the saw chain 22 cuts deeper into the sawn timber until the cutting of the sawn timber is completed.

[0061] Compared with the existing sawing device, when the operator saws the entire sawn timber, a rotational feed sawing force and a vertical feed sawing force need to be applied. The sawing fulcrum is at the insertion tooth. One hand needs to provide the implementation thrust to resist the cutting force, and the other hand needs to provide the implementation pulling force required for the chain saw guide plate to rotate around the sawing fulcrum. During the use of the sawing device provided by the present invention, the reset force of the reset member 3 is used to make the sawn timber closely adhere to the saw chain, ensuring that the forward sawing force when the saw chain 22 saws the sawn timber can be utilized, effectively realizing the combination of the reset member 3 and the sawing device; the traction structure 5 and the torsion spring 49 in the reset member 3 are used to drive the reset member 3 to return to its original position to relieve the large impact force generated when the sawn timber first enters the sawing system. By using the sawing force (frictional force) of the saw chain 22 to cut the sawn timber, automatic feeding of the sawn timber can be realized, and the danger caused by the impact force generated during sawing can also be avoided.

[0062] Embodiment 2 Refer to Appendix 11— Figure 14As shown, the difference between this embodiment and the above embodiment is that in this embodiment, the traction structure 5 includes a traction plate 501 movably mounted on the power source 1 of the sawing device, an elastic member 502 with one end mounted on the traction plate 501, and the other end of the elastic member 502 is mounted on the power source 1 of the sawing device; wherein, a guiding groove 503 is provided on the traction plate 501, a fixing pin 504 is mounted on the reset member 3, and the exposed part of the fixing pin 504 is located in the guiding groove 503 and moves along the guiding groove 503; an installation post 11 is mounted on the power source 1 of the sawing device, an installation hole 505 corresponding to the installation post 11 is provided on the traction plate 501, and a ring groove 12 is provided on the installation post 11, and a snap ring 13 is installed in the ring groove 12. In this embodiment, through the arrangement of the traction plate 501, it is used to provide an installation position for the elastic member 502, connect the elastic member 502 with the reset member 3, so that the reset member 3 is subjected to the elastic force of the elastic member 502; through the arrangement of the guiding groove 503, in cooperation with the fixing pin 504, the movement of the reset member 3 is guided and limited, ensuring that when the reset member 3 rotates away from the guide plate 21 under the influence of the sawn timber, it will be subjected to the elastic restoring force of the elastic member 502, ensuring that the reset member 3 abuts against the sawn timber, pulling the saw chain 22 on the guide plate 21 to abut against the sawn timber, and ensuring that the saw chain 22 can saw the sawn timber.

[0063] Embodiment 3 Refer to the appendix Figure 15 As shown, the difference between this embodiment and the above embodiment is that in this embodiment, the guiding surface 32 is a toothed surface 322. Compared with the curved surface 321 in Embodiment 1, the contact area between this embodiment and the sawn timber increases, the impact force caused by slipping and recoil during the cutting of the sawn timber is dispersed, and the bearing capacity of the reset member 3 is improved; Embodiment 4 Refer to the appendix Figure 16 As shown, the difference between this embodiment and the above embodiment is that in this embodiment, the guiding surface is a rolling wheel 323. Compared with the above embodiment, while the rolling wheel 323 in this embodiment increases the contact area with the sawn timber, the sliding friction between the sawn timber and the guiding surface 32 is changed into rolling friction, thereby reducing the frictional force between the sawn timber and the guiding surface, further facilitating the operation of the operator, and reducing the force required for the operator to push the sawing device forward.

[0064] Embodiment 5 Refer to the appendix Figure 17 — Figure 21As shown, the difference between this embodiment and the above embodiment is that in this embodiment, the traction structure 5 also includes an elastic member 53, and further includes a traction hook 5b that is hooked to the mounting post 11, a connecting pin 5c mounted on the traction hook 5b, a connecting block 5d mounted on the connecting pin 5c, and an opening snap ring 5e mounted at the end of the connecting pin 5c, wherein the connecting pin 5c is connected to one end of the elastic member 53.

[0065] In this embodiment, a limiting component 6 is further mounted on one end of the reset member 3 facing the power 1 of the sawing device. The limiting component 6 includes a limiting mounting cavity 61 provided on the reset member 3 and beside the groove 33, a mounting pin 62 provided in the limiting mounting cavity 61, a limiting block 63 movably mounted on the mounting pin 62, a limit switch 64 detachably connected to the limiting block 63, a switch groove 65 corresponding to the limit switch 64 is mounted on the groove cover plate 34, and connection pins are mounted on both the limit switch 64 and the limiting block 63, and a linkage tension spring 66 is mounted on the connection pin. It should be particularly noted that a closing groove 67 and an opening groove 68 corresponding to the limit switch 64 are provided on the limiting block 63.

[0066] In this embodiment, the traction structure 5 is set to be detachable. With the setting of the limiting component 6, the reset member 3 can be kept in an open or closed state, which is convenient for the device to be stored and operated.

[0067] In this embodiment, by pushing the limit switch 64, the limit switch 64 can be separated from the closing groove 67 or the opening groove 68, and then the limiting block 63 can be rotated. When it rotates to the specified position, the linkage tension spring 66 will pull the limit switch 64 to reset and insert it into the closing groove 67 or the opening groove 68, and the operation of controlling the state of the device is simple and convenient.

[0068] Embodiment 6 Refer to the appendix Figure 22 and Figure 23 As shown, the difference between this embodiment and the above embodiment is that in this embodiment, the reset member 3 is fixedly mounted on the power 1 of the sawing device. Specifically, a mounting seat 36 is provided on the reset member 3, and an avoidance groove 37 is provided on the mounting seat 36. The mounting seat 36 is fixedly mounted on the power 1 of the sawing device by bolts.

[0069] In this embodiment, by fixedly mounting the reset member 3 on the power 1 of the sawing device, the overall structure is made simpler, ensuring that the reset member 3 abuts against the sawn timber and the saw chain 22 contacts the sawn timber to saw the sawn timber.

[0070] The above embodiments are descriptions of this application, not limitations of this application. Any solution obtained by simply transforming this application belongs to the protection scope of this application.

Claims

1. An automatic feeding sawing device, characterized in that, It includes the power of the sawing device (1), a sawing assembly (2) installed on the power of the sawing device (1), and a reset member (3); The power of the sawing device (1) is used to provide a sawing power source and an operating space for an operator to hold by hand; The sawing assembly (2) includes a guide plate (21) and a saw chain (22) installed on the guide plate (21); The guide plate (21) and the reset member (3) are on the same side of the power of the sawing device (1). The reset member (3) is located on the side where the saw chain (22) moves towards the power of the sawing device (1), and the guide plate (21) and the reset member (3) are arranged in a V shape; The reset member (3) is fixedly or movably installed on the power of the sawing device (1); The power of the sawing device (1) can drive the saw chain (22) to move.

2. The automatic feeding sawing device according to claim 1, wherein A traction structure (5) is installed on the power of the sawing device (1) and the reset member (3) movably installed on the power of the sawing device (1). This traction structure (5) is used to reset the reset member (3); A fixing structure (4) connected to the power of the sawing device (1) is installed on the reset member (3). This fixing structure (4) is used to movably install the reset member (3) on the power of the sawing device (1) so that the reset member (3) can rotate around the fixing structure (4); The reset member (3) can rotate around the fixing structure (4). The fixing structure (4) and the traction structure (5) are used to provide a reset force to reset the reset member (3) to the initial position; The reset member (3) is used to guide and limit the sawn timber so that the sawing force of the saw chain (22) on the sawn timber can be used as the feeding force of the sawn timber. The side of the saw chain (22) moving towards the power of the sawing device (1) is in contact with the sawn timber; An installation post (11) is installed on the power of the sawing device (1); The traction structure (5) includes an elastic member (53) for providing a reset force.

3. The automatic feeding sawing device according to claim 1, wherein, One end of the reset member (3) away from the power of the sawing device (1) is provided with an initial guiding surface (31). A guiding surface (32) is provided on the end surface of the reset member (3) facing the saw chain (22). This guiding surface (32) is used to ensure that the sawn timber moves along this end surface, ensuring that before the sawn timber is cut off, the sawn timber always feeds in the direction of the saw chain towards the power of the sawing device (1).

4. The automatic feeding sawing device according to claim 2, wherein, The traction structure (5) further includes a hook (51) and a traction connecting piece (52); One end of the hook (51) is rotatably installed on the power of the sawing device (1), and a connecting block (511) is provided on the hook (51); The traction connecting piece (52) is installed on the hook (51), and a connecting groove (521) corresponding to the connecting block (511) is provided on the traction connecting piece (52); Both ends of the elastic member (53) are respectively connected to the power of the sawing device (1) and the reset member (3); A groove (33) corresponding to the elastic member (53) is provided on the reset member (3), and the connection position of the elastic member (53) and the reset member (3) is located within the groove (33); A groove cover plate (34) corresponding to the groove (33) is installed on the reset member (3).

5. The automatic feeding sawing device according to claim 2, wherein, The traction structure (5) further includes a traction plate (501) movably mounted on the power of the sawing device (1). One end of the elastic member (53) is connected to the traction plate (501), and the other end is mounted on the power of the sawing device (1). The reset member (3) is provided with a limit projection (35) for limiting the rotation angle of the reset member (3).

6. The automatic feeding sawing device according to claim 5, characterized in that, The traction plate (501) is provided with a guide groove (503). A fixing pin (504) is mounted on the reset member (3), and the exposed part of the fixing pin (504) is located in the guide groove (503) and moves along the guide groove (503). The traction plate (501) is provided with a mounting hole (505) corresponding to the mounting post (11). The mounting post (11) is located in the mounting hole (505) to movably connect the traction plate (501) to the power of the sawing device (1).

7. The automatic feeding sawing device according to claim 2, wherein, The fixing structure (4) includes a reset member rotating shaft (41) provided on the power of the sawing device (1), a mounting hole group (42) provided on the reset member (3), a reset member end cover (43) mounted in the mounting hole group (42), a rolling member (44) movably mounted on the reset member end cover (43), a rotation limit ring (45) and a snap ring (46) mounted on the reset member end cover (43), a limit groove (47) provided on the reset member rotating shaft (41) corresponding to the rolling member (44), a sliding groove (48) provided in the mounting hole group (42) corresponding to the rolling member (44), a torsion spring (49) sleeved on the reset member end cover (43) and connected to the reset member (3), and a rolling member limiting structure (40) mounted on the reset member (3) for limiting the rolling member (44).

8. The automatic feeding sawing device according to claim 2, wherein The traction structure (5) further includes a traction hook (5b) detachably hooked to the mounting post (11), a connecting pin (5c) mounted on the traction hook (5b), a connecting block (5d) mounted on the connecting pin (5c), a snap ring (5e) mounted at the end of the connecting pin (5c). The connecting pin (5c) is connected to one end of the elastic member (53), and the other end of the elastic member (53) is connected to the reset member (3).

9. A sawing method for an automatic feeding sawing device according to any one of claims 1 - 8, characterized in that, Including: First step, hold the power of the sawing device (1) and start the power of the sawing device (1) to drive the saw chain (22) to move. Second step, saw the lumber so that the lumber is located between the reset member (3) and the saw chain (22), and the lumber is in contact with the reset member (3) and the saw chain (22), and the cutting surface formed by the movement of the saw chain (22) forms an angle of 10° to 150° with the guiding surface (32) of the reset member (3). Third step, the operator uses the sawing force of the saw chain (22) to control the entire power of the sawing device (1) to move. The moving direction is within the range of the angle formed by the cutting surface formed by the saw chain (22) on the lumber and the guiding surface (32) of the reset member (3), and saw the lumber until the lumber is completely cut off.

10. The sawing method according to claim 9, characterized in that The angle formed by the cutting surface formed by the movement of the saw chain (22) and the guiding surface (32) of the reset member (3) is 20° to 90°.

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