Guide rail assembly for cutting tool and cutting tool assembly
By designing guide rail components for cutting tools, including guide rails, guide ribs, reset stops and elastic components, the problem of cutting tools being difficult to automatically return to the starting station in the prior art is solved, and a more labor-saving cutting operation and Improves convenience of use.
Patent Information
- Application Number
- CN202420890079.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-04-26
AI Technical Summary
It is difficult for the existing guide rail device to automatically return to the starting station after cutting, resulting in inconvenient operation and possible obstacle problems.
A guide rail assembly is designed, including a guide rail, a guide rib, a reset stop and an elastic assembly. The guide rail extends along the feed path of the cutting tool, the guide rib is used to guide the feed of the cutting tool, the reset stop is slidably installed on the guide rail, and the elastic element automatically drives the cutting tool to return to the starting work after the cutting is completed. Bit.
It realizes more labor-saving operation of the cutting tool during the cutting process, and automatically returns to the starting station without any obstacles after cutting, improving the comfort and convenience of use.
Smart Images
Figure CN222493078U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a guiding device, in particular to a guide rail device for a tool. Background Art
[0002] In actual usage scenarios, when operators use cutting tools to cut workpieces, they often expect to obtain high-quality cutting edges.
[0003] At present, a guide rail used in conjunction with a cutting tool is usually used to guide the cutting to achieve this purpose. For example, the cutting tool is arranged on a guide rail with a track. Before cutting begins, the cutting tool is located at the starting position. After cutting begins, the cutting tool is fed forward along the track while cutting the workpiece until it reaches the required position. The use of a guide rail can ensure a smooth cutting path and a neat cut. When cutting is completed, the cutting tool can be pushed in the reverse direction to return to the starting position. Utility Model Content
[0004] One of the purposes of the utility model is to provide a guide rail assembly for a cutting tool, which can guide the cutting path with less effort, and at the same time, it can also enable the cutting tool to automatically return to the starting position without getting stuck after cutting is completed, thereby improving the comfort of use.
[0005] In order to achieve the above-mentioned object, the utility model proposes a guide rail assembly for a cutting tool, which is used to cooperate with the cutting tool, wherein the guide rail assembly comprises:
[0006] A guide rail, which is arranged to extend along a feeding path of the cutting tool, and the guide rail is provided with guide ribs for providing a guiding effect for the feeding of the cutting tool along the guide rail;
[0007] a reset stopper slidably disposed on the guide rail, the reset stopper having an associated portion for connecting with the cutting tool; the associated portion being disposed on a first arm portion extending toward a center line of the guide rib;
[0008] An elastic component, comprising an elastic element, one end of which is fixedly arranged, and the other end of which is connected to the reset stopper;
[0009] In which, the reset block can move in the first direction as the cutting tool is fed along the guide rail; in the reset state, the reset block is used to drive the cutting tool to move in a second direction opposite to the first direction under the action of the reset elastic force of the elastic element to reset to the starting position.
[0010] Furthermore, in some embodiments of the present invention, a center line of the associated portion is aligned with a center line of the guide rib in a height direction.
[0011] Furthermore, in some embodiments of the present invention, when the cutting tool is arranged on the guide rail, the distance L1 between the center line of the guide rib and the center line of the handle of the cutting tool is greater than the distance L2 between the center line of the handle of the cutting tool and the cutting line of the cutting tool.
[0012] Furthermore, in some embodiments of the present invention, the ratio between the distance L1 and the distance L2 is 1.5:1-2.5-1.
[0013] Further, in some embodiments of the utility model, the associated portion includes a slot recessed in the height direction, which is used to cooperate and connect with a protrusion on the cutting tool that is adapted thereto; or the associated portion includes a protrusion extending in the height direction, which is used to cooperate and connect with a groove on the cutting tool that is adapted thereto.
[0014] Furthermore, in some embodiments of the present invention, the associated portion is disposed at the bottom of the first arm portion.
[0015] Furthermore, in some embodiments of the present invention, the reset block further includes a second arm portion extending along the length direction of the guide rail.
[0016] Furthermore, in some embodiments of the present invention, the first arm portion is configured to contact the front end surface of the cutting tool.
[0017] Furthermore, in some embodiments of the present invention, a scale element is also provided on the guide rail.
[0018] Furthermore, in some embodiments of the present invention, the elastic element includes an elastic rope.
[0019] Furthermore, in some embodiments of the present invention, the elastic component further includes a fixed pulley, which is fixedly disposed in the guide rail, and the elastic rope passes around the fixed pulley and is disposed in the guide rail.
[0020] Another object of the utility model is to provide a cutting tool assembly, the cutting process of which is smooth and labor-saving, and after cutting is completed, it can automatically return to the starting position without getting stuck, thereby improving the comfort and convenience of use.
[0021] Based on the above-mentioned purpose, the utility model also provides a cutting tool assembly, which includes a cutting tool and also includes a guide rail assembly as described above, wherein the cutting tool can slide along the guide rib; wherein, when an external force pushes the cutting tool to feed along the guide rib, it drives the reset block to move in the first direction; when the external force applied to the cutting tool is removed, the reset block drives the cutting tool to move in a second direction opposite to the first direction under the action of the reset elastic force of the elastic element, so as to reset to the starting position.
[0022] The guide rail assembly described in the utility model can guide the cutting path effortlessly to improve the cutting quality. At the same time, it can also enable the cutting tool to automatically return to the starting position without getting stuck after cutting is completed, thereby improving the comfort and convenience of using the cutting tool. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 The structure of one embodiment of the present invention is shown from a top view.
[0024] Figure 2 Shows Figure 1 Cross-sectional view at AA in the middle.
[0025] Figure 3 Shows Figure 2 A partial enlarged view of point I in the middle.
[0026] Figure 4 The distance L1 and the distance L2 in one embodiment of the present invention are shown.
[0027] Figure 5 The elastic component of the present invention in one embodiment is shown in a cross-sectional view from a top view. DETAILED DESCRIPTION
[0028] The guide rail assembly for a cutting tool and the cutting tool assembly described in the present invention will be further explained and illustrated below in conjunction with the drawings in the specification and specific embodiments. However, such explanation and illustration do not constitute an improper limitation on the technical solution of the present invention.
[0029] In actual use scenarios, when operators use cutting tools to cut workpieces, they often expect to obtain high-quality cutting edges. Therefore, guide rails used in conjunction with cutting tools are usually used to guide the cutting to achieve this purpose. For example, the cutting tool is placed on a guide rail with a track. Before cutting begins, the cutting tool is located at the starting position. After cutting begins, the cutting tool is fed forward along the track while cutting the workpiece until it reaches the required position. The use of guide rails can ensure a smooth cutting path and a neat cut. When cutting is completed, the cutting tool can be pushed in the reverse direction to return to the starting position.
[0030] In order to further improve the comfort and convenience of use, the utility model hopes that the cutting tool can save more effort during the cutting process and can automatically return to the starting position without getting stuck after the cutting is completed.
[0031] In a specific example, the cutting tool may be an electric circular saw for cutting the workpiece being processed.
[0032] However, those skilled in the art will appreciate that the tool used to process the workpiece may not be an electric circular saw but other manual cutting tools.
[0033] Figure 1 The structure of an embodiment of the present invention is shown from a top view.
[0034] Figure 2 Shows Figure 1 Cross-sectional view at AA in the middle.
[0035] Figure 3 Shows Figure 2 A partial enlarged view of point I in the middle.
[0036] like Figure 1 , Figure 2 and Figure 3 As shown, in some embodiments, a guide rail assembly for use with a cutting tool P (e.g., an electric circular saw) may include:
[0037] The guide rail 1 extending along the feeding path of the cutting tool can be arranged on a setting plane, such as the surface of a bracket or the surface of an operating platform. The guide rail 1 is provided with at least one guide rib 11 for providing guidance for the feeding of the cutting tool along the guide rail. Figure 2 As shown, the guide rib 11 protrudes from the plane of the guide rail 1 in the height direction. Accordingly, the bottom of the cutting tool, such as the bottom plate P1 of a circular saw, is provided with a slide groove P12 matching the guide rib 11, so that the cutting tool P can slide along the guide rail 1.
[0038] The reset stopper 2 is slidably disposed on the guide rail 1, and the reset stopper 2 has a first arm portion 23 extending toward the center line of the guide rib 11 (the center line in the width direction of the guide rail), and the associated portion 21 is disposed on the first arm portion 23, and the associated portion 21 is used to connect with the cutting tool;
[0039] The elastic component comprises an elastic element 3 , one end of which is fixedly arranged, for example, fixedly arranged on the guide rail 1 , and the other end of the elastic element 3 is connected to the reset stopper 2 .
[0040] The reset block 2 can be moved along the guide rail 1 as the cutting tool P is fed (for example, Figure 1 in the left direction) and follow in the first direction (e.g. Figure 1 in the reset state, the reset block 2 is used to drive the cutting tool P together in a second direction opposite to the first direction (for example, Figure 1 The machine moves in the right direction in the center of the workpiece to reset to the starting position (for example, the starting position for starting cutting).
[0041] Likewise Figure 1 , Figure 2 and Figure 3 As shown, the present invention further provides a cutting tool assembly in another embodiment, which includes the guide rail assembly as described above and a cutting tool P arranged on the guide rail 1 .
[0042] According to this arrangement, when the cutting tool starts to cut the workpiece from the starting position, an external force is used to push the cutting tool P so that its guide rib 11 is fed to the left, and this process drives the reset block 2 to move in the first direction. When the cutting is completed, the cutting tool is turned off and the external force applied to the cutting tool is removed. At this time, the reset block 2 drives the cutting tool P to move in the second direction opposite to the first direction under the reset elastic force of the elastic element 3 to reset to the starting position.
[0043] The utility model connects the reset stopper 2 and the cutting tool P through an associated portion arranged on a first arm portion 23 extending toward the center line of the guide rib 11, so that the center line of the associated portion is closer to the center line of the guide rib 11, thereby making the thrust for pushing the cutting tool forward and the reset pulling force for resetting it as close to each other as possible, thereby effectively avoiding the problem of increased friction between the cutting tool and the guide rail and difficult operation caused by the center line of the associated portion being too far away from the center line of the guide rib 11 when the cutting tool is pushed to the left. At the same time, it also effectively avoids the problem of jamming during the resetting process.
[0044] It should be noted that in some specific examples, Figure 1 The leftmost position in can be the "starting position", then Figure 1 The current position of the cutting tool P and the follower reset stop 2 in FIG. 1 indicates that they have been fed a certain distance in the first direction along the guide rail.
[0045] It should be noted that the specific position of the "starting position" can be set and adjusted as needed, and it is not limited to the reset block 2 and the cutting tool P must be in such a position. Figure 1 The leftmost position is the starting position. In another specific example, Figure 1The current position of the cutting tool P and the follower reset block 2 can also represent the "starting position". Then when cutting starts, the cutting tool P and the reset block continue to feed to the left along the guide rail based on the current position.
[0046] As a preferred embodiment, the center line of the associated portion 21 (the center line in the guide rail width direction) is aligned with the center line of the guide rib 11 (the center line in the guide rail width direction) in the height direction, that is, both fall on Figure 3 On the dotted line L3 in the figure, that is, the distance between the center line of the associated portion and the center line of the guide rib 11 is 0.
[0047] The center line of the associated portion (i.e., the center line in the guide rail width direction) is aligned with the center line of the guide rib 11 (i.e., the center line in the guide rail width direction) in the height direction, that is, the center line of the associated portion and the center line of the guide rib both fall on Figure 3 On the dotted line L3 in the figure, the thrust for pushing the cutting tool forward and the resetting pulling force for resetting it are basically located on the same line. Compared with the implementation method in which there is still a small distance between the two, the increase in friction between the cutting tool and the guide rail is further reduced, and at the same time, it has a better effect of avoiding jamming during the resetting process.
[0048] In some embodiments of the present invention, considering that the force pushing the cutting tool to cut and feed is greater than the resetting elastic force, it can be set to balance the torque: when the cutting tool is arranged on the guide rail, Figure 4 As shown, the distance L1 between the center line of the guide rib 11 (the center line in the guide rail width direction) and the handle center line PL of the cutting tool P (the center line in the guide rail width direction) is greater than the distance L2 between the handle center line of the cutting tool and the cutting line of the cutting tool.
[0049] In some more specific embodiments, based on the magnitude of the force that pushes the cutting tool to perform cutting feed and the magnitude of the resetting elastic force, the ratio between the distance L1 and the distance L2 can be set to 1.5:1-2.5-1.
[0050] Continue reading Figure 2 and Figure 3 In some embodiments of the present invention, the associated portion of the reset stopper 2 may include a recessed slot in the height direction, and a protrusion P11 adapted to the slot may be provided on the bottom plate of the cutting tool P, such as a circular saw. Alternatively, the associated portion may include a protrusion extending in the height direction, and a groove adapted to the protrusion may be provided on the cutting tool. In other words, the reset stopper and the cutting tool may cooperate with each other through the structure of the protrusion and the slot.
[0051] In this way, when the reset block slides along the direction of the guide rail relative to the cutting tool until the protrusion disengages from the groove (or slot), the connection between the two is disconnected, and the reset block and the cutting tool can move independently, thereby making the guide rail assembly and the cutting tool assembly more flexible in use.
[0052] Of course, in some other embodiments, the associated portion may also be a matching structure of a pin and a hole, or a matching structure of a key and a slot.
[0053] Continue reading Figure 1 In some more specific embodiments, the reset block 2 can be constructed in an L-shape, that is, it includes a first arm portion 23 extending along the width direction of the guide rail and a second arm portion 22 extending along the length direction of the guide rail, wherein the associated portion can be arranged at the bottom of the first arm portion 23.
[0054] In some more specific embodiments, the first arm portion can be configured to contact the front end surface of the cutting tool.
[0055] In some other embodiments, the first arm portion and the front end surface of the cutting tool may be connected together via a connecting piece, or bonded together via an adhesive to achieve a non-detachable connection.
[0056] Continue reading Figure 1 In some embodiments, a scale element 4 may be provided at the edge of the guide rail 1 to mark the feed amount of the cutting tool.
[0057] Figure 5 The elastic component of the present invention in one embodiment is shown in cross-section.
[0058] like Figure 5 As shown, in some more specific embodiments, the elastic element 3 can be constructed as an elastic rope, the head end 311 of the elastic rope is connected to the tail end of the second arm 22 of the reset block 2, and the tail end 312 of the elastic rope is fixedly connected to the guide rail.
[0059] Of course, in some other more specific embodiments, the elastic element 3 can be constructed as a spring or a similar elastic device.
[0060] In addition, when the elastic element 3 is configured as an elastic rope, Figure 5 As shown, the elastic rope can be repeatedly set multiple times in the guide rail through the fixed pulley 31, so that it can be ensured that within the limited feed stroke of the reset block in the first direction, the elastic element can provide it with a sufficiently large elastic force to achieve reset.
[0061] It should be noted that the terms “upper”, “lower”, “left” and “right” described in this article are for ease of understanding and are based on Figures 1 to 5This is an exemplary description of the setting method and direction, which is not intended to limit the present invention.
[0062] It should be noted that the prior art part in the protection scope of the utility model is not limited to the embodiments given in the application documents. All prior art that does not contradict the scheme of the utility model, including but not limited to prior patent documents, prior public publications, prior public uses, etc., can be included in the protection scope of the utility model.
[0063] In addition, the combination of the various technical features in this case is not limited to the combination described in the claims of this case or the combination described in the specific embodiments. All technical features recorded in this case can be freely combined or combined in any way unless there is a contradiction between them.
[0064] It should also be noted that the above-listed embodiments are only specific embodiments of the present invention. Obviously, the present invention is not limited to the above embodiments, and similar changes or modifications made therewith are directly derived or easily associated with the contents disclosed by those skilled in the art from the present invention, and should all fall within the protection scope of the present invention.
Claims
1. A guide rail assembly for a cutting tool, which is used to cooperate with a cutting tool (P), characterized in that: The guide rail assembly comprises: A guide rail (1) is arranged to extend along a feeding path of a cutting tool, and the guide rail is provided with guide ribs (11) for providing a guiding effect for the feeding of the cutting tool along the guide rail; A reset stopper (2) is slidably disposed on the guide rail, the reset stopper having an associated portion (21) for connecting with the cutting tool; the associated portion is disposed on a first arm portion (23) extending toward the center line of the guide rib; An elastic component, comprising an elastic element (3), one end of which is fixedly arranged, and the other end of which is connected to the reset stopper; In which, the reset block can move in the first direction as the cutting tool is fed along the guide rail; in the reset state, the reset block is used to drive the cutting tool to move in a second direction opposite to the first direction under the action of the reset elastic force of the elastic element to reset to the starting position.
2. The guide rail assembly according to claim 1, characterized in that The center line of the associated portion is aligned with the center line of the guide rib in the height direction.
3. The guide rail assembly according to claim 1, characterized in that: When the cutting tool is arranged on the guide rail, a distance L1 between a center line of the guide rib and a center line of a handle of the cutting tool is greater than a distance L2 between a center line of the handle of the cutting tool and a cutting line of the cutting tool.
4. The guide rail assembly according to claim 3, characterized in that: The ratio between the distance L1 and the distance L2 is 1.5:1-2.5-1.
5. The guide rail assembly according to claim 1, characterized in that: The associated portion (21) comprises a recessed slot in the height direction, which is used to cooperate with a protrusion on the cutting tool that matches it; or the associated portion comprises a protrusion extending in the height direction, which is used to cooperate with a groove on the cutting tool that matches it.
6. The guide rail assembly according to claim 1, characterized in that: The associated portion (21) is arranged at the bottom of the first arm portion (23).
7. The guide rail assembly according to claim 1, characterized in that: The reset stopper also includes a second arm portion (22) extending along the length direction of the guide rail.
8. The guide rail assembly according to claim 1, characterized in that: The first arm portion (23) is arranged to contact the front end surface of the cutting tool.
9. The guide rail assembly according to claim 1, characterized in that: The guide rail (1) is also provided with a scale element (4).
10. The guide rail assembly according to claim 1, characterized in that: The elastic element (3) comprises an elastic rope.
11. The guide rail assembly according to claim 10, characterized in that: The elastic component also includes a fixed pulley (31) which is fixedly arranged in the guide rail, and the elastic rope passes around the fixed pulley and is arranged in the guide rail.
12. A cutting tool assembly comprising a cutting tool (P), characterized in that: It also includes a guide rail assembly as described in any one of claims 1 to 11, wherein the cutting tool is capable of sliding along the guide rib (11); wherein, when an external force pushes the cutting tool to feed along the guide rib, it drives the reset block (2) to move in the first direction; when the external force applied to the cutting tool is removed, the reset block (2) drives the cutting tool to move in a second direction opposite to the first direction under the action of the reset elastic force of the elastic element, so as to reset to the starting position.