Section bar cutting saw

Abstract

The utility model relates to the technical field of wood cutting, and discloses a sectional material cutting saw which comprises a speed adjusting assembly, the speed adjusting assembly comprises a shell, a first speed adjusting rod and a second speed adjusting rod are movably installed on the two sides of the shell through bearings, two sets of first speed adjusting wheels are fixedly arranged on the first speed adjusting rod, and the sizes of the two sets of first speed adjusting wheels are different. Two sets of second speed regulating wheels are movably installed on the second speed regulating rod through bearings, the two sets of second speed regulating wheels correspond to the first speed regulating wheels in size, and a clutch block is movably installed between the two sets of second speed regulating wheels. In actual use, a transmission path between the first speed regulation wheel and the second speed regulation wheel is switched through movement of the clutch block, so that a high-rotating-speed or high-torque working mode is selected, and when the high rotating speed is needed, the clutch block is matched with the first speed regulation wheel with the larger size, and high-speed transmission is achieved; when high torque is needed, the clutch block is matched with the second speed regulating wheel with the smaller size, and torque amplification is achieved; and the working modes of high rotating speed and high torque can be quickly and conveniently switched.

Description

Technical Field

[0001] The utility model relates to the technical field of wood cutting, in particular to a profile cutting saw. Background Art

[0002] Profile cutting saw is a kind of mechanical equipment specially designed for cutting various profiles accurately and efficiently; profile cutting saw used for automatic doors can quickly and accurately complete the cutting tasks of various complex profiles, greatly improving production efficiency and product quality.

[0003] In the actual operation of cutting profiles for automatic doors, there are significant differences in the cutting process requirements for profiles of different materials. This is mainly reflected in the motor speed and torque required for cutting; for some hard and brittle profiles, such as carbide or ceramics, high speed is the key, because high-speed blades can cut these materials quickly and accurately, while reducing the impact of heat generated by friction on material properties; for profiles with strong toughness or low hardness, such as stainless steel or some plastic alloys, high torque is even more critical, which can ensure that the cutting saw can still maintain a stable cutting speed when encountering material resistance, thereby avoiding the blade from getting stuck or damaged.

[0004] Faced with this difference in demand, traditional cutting equipment often seems unable to cope with it; if equipment or motors are frequently replaced to adapt to the cutting needs of different materials, it will not only increase the complexity and time cost of the operation, but may also affect the stability and accuracy of the equipment.

[0005] Therefore, how to design a profile cutting saw has become a problem that we currently need to solve. Utility Model Content

[0006] Technical issues solved

[0007] In view of the deficiencies in the prior art, the utility model provides a profile cutting saw to solve the problem mentioned in the above background technology that replacing equipment or replacing motors to adapt to the cutting needs of different materials increases the complexity of operation and may also affect the stability and accuracy of the equipment.

[0008] Technical Solution

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a profile cutting saw, comprising a supporting assembly, a driving assembly, a cutting assembly and a speed regulating assembly, wherein the driving assembly is mounted on the upper end of the supporting assembly, a cutting assembly is arranged at the front end of the supporting assembly, the right side of the driving assembly is connected to the speed regulating assembly through a transmission assembly, and the left side of the speed regulating assembly is connected to the cutting assembly, the speed regulating assembly comprises a shell, a first speed regulating rod and a second speed regulating rod are movably mounted on both sides of the shell through bearings, two groups of first speed regulating wheels are fixedly mounted on the first speed regulating rod, and the sizes of the two groups of the first speed regulating wheels are inconsistent, two groups of second speed regulating wheels are movably mounted on the second speed regulating rod through bearings, and the sizes of the two groups of the second speed regulating wheels correspond to those of the first speed regulating wheels, a clutch block is movably mounted between the two groups of the second speed regulating wheels, clutch key slots are arranged on both sides of the clutch block, clutch grooves are arranged on opposite surfaces of the two groups of the second speed regulating wheels, and the clutch block is slidably mounted on the second speed regulating rod through a limiting slide bar.

[0010] Preferably, the support assembly includes a support base, the drive assembly includes a motor base, the motor base is connected to the upper end of the support base via connecting bolts, and a drive motor is installed on the upper end of the motor base.

[0011] Preferably, the cutting assembly comprises a cutting base, a transmission rod is movably installed inside the cutting base, and a cutting blade is installed on the left side of the transmission rod.

[0012] Preferably, a protective cover is provided on the outer side of the cutting blade, and the protective cover is fixed to the supporting base via a first connecting block.

[0013] Preferably, the transmission assembly includes a first transmission wheel, the first transmission wheel is arranged on the right side of the driving motor, the first transmission wheel is connected to the second transmission wheel through a transmission belt, and the right side of the second transmission wheel is connected to the first speed regulating wheel.

[0014] Preferably, the outer side of the clutch block is connected to the clutch handle via a bearing.

[0015] Preferably, the shell is fixed to the support base via a second connecting block.

[0016] Preferably, a clutch groove is provided at the front side of the upper end of the shell, and two sets of speed regulating grooves are provided at the rear side of the upper end of the shell, and the clutch handle can be placed in the clutch groove or the speed regulating groove.

[0017] Beneficial Effects

[0018] The utility model provides a profile cutting saw, which has the following beneficial effects: in actual use, the transmission path between the first speed regulating wheel and the second speed regulating wheel is switched by moving the clutch block, so as to select a high-speed or high-torque working mode. When a high speed is required, the clutch block cooperates with the first speed regulating wheel of a larger size to achieve high-speed transmission; when a high torque is required, the clutch block cooperates with the second speed regulating wheel of a smaller size to achieve torque amplification; by simply moving the clutch block, the high-speed and high-torque working modes can be quickly and conveniently switched, which greatly improves the cutting efficiency and the convenience of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the device of the utility model;

[0020] Figure 2 This is a schematic diagram of the disassembly structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the disassembly structure of the speed regulating assembly of the utility model;

[0022] Figure 4 It is a schematic diagram of the partial cutaway structure of the speed regulating component of the utility model.

[0023] In the figure: 1. Support assembly; 11. Support base; 12. First connecting block; 13. Second connecting block; 14. Connecting bolt; 2. Drive assembly; 21. Motor base; 22. Drive motor; 3. Transmission assembly; 31. First transmission wheel; 32. Second transmission wheel; 33. Transmission belt; 4. Cutting assembly; 41. Cutting base; 42. Transmission rod; 43. Cutting blade; 5. Speed ​​regulating assembly; 51. Housing; 511. Clutch slot; 512. Speed ​​regulating slot; 52. First speed regulating rod; 53. First speed regulating wheel; 54. Second speed regulating rod; 541. Limiting slide; 55. Second speed regulating wheel; 551. Clutch groove; 56. Clutch block; 561. Clutch key slot; 57. Clutch handle; 58. Bearing; 6. Protective cover. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0027] like Figure 1-4 As shown, the utility model provides a technical solution: a profile cutting saw, including a support assembly 1, a drive assembly 2, a cutting assembly 4 and a speed regulating assembly 5, the drive assembly 2 is installed at the upper end of the support assembly 1, the cutting assembly 4 is arranged at the front end of the support assembly 1, the right side of the drive assembly 2 is connected to the speed regulating assembly 5 through the transmission assembly 3, the left side of the speed regulating assembly 5 is connected to the cutting assembly 4, the speed regulating assembly 5 includes a housing 51, and a first speed regulating rod 52 and a second speed regulating rod 54 are movably installed on both sides of the housing 51 through bearings 58, and the first speed regulating rod Two groups of first speed regulating wheels 53 are fixedly arranged on 52, and the sizes of the two groups of first speed regulating wheels 53 are inconsistent. Two groups of second speed regulating wheels 55 are movably installed on the second speed regulating rod 54 through bearings 58. The sizes of the two groups of second speed regulating wheels 55 correspond to those of the first speed regulating wheels 53. A clutch block 56 is movably installed between the two groups of second speed regulating wheels 55. Clutch key grooves 561 are arranged on both sides of the clutch block 56. Clutch grooves 551 are opened on the opposite surfaces of the two groups of second speed regulating wheels 55. The clutch block 56 is slidably installed on the second speed regulating rod 54 through a limiting slide bar 541.

[0028] During use, the support assembly 1 provides a stable foundation for the entire cutting saw to ensure its stability during operation; the drive assembly 2 provides power to the cutting assembly 4 through the transmission assembly 3 and the speed regulating assembly 5; the housing 51 provides protection for the internal speed regulating assembly 5, the first speed regulating rod 52 and the second speed regulating rod 54 are the support and transmission basis of the speed regulating wheel, and power is transmitted through their rotation. The first speed regulating wheel 53 and the second speed regulating wheel 55 achieve different transmission ratios through gears of different sizes, thereby changing the output speed and torque; by moving the clutch block 56, the transmission path between the first speed regulating wheel 53 and the second speed regulating wheel 55 is switched; the limit slide 541 is the guide and limiting mechanism of the clutch block 56, allowing the clutch block 56 to slide and position thereon; the clutch keyway 561 and the clutch groove 551 provide guidance and positioning for the sliding of the clutch block 56, ensuring that the clutch block 56 can accurately and stably switch the transmission path.

[0029] The support assembly 1 includes a support base 11, and the drive assembly 2 includes a motor base 21. The motor base 21 is connected to the upper end of the support base 11 through a connecting bolt 14. A drive motor 22 is installed on the upper end of the motor base 21. The motor base 21 is an installation platform for the drive motor 22, which is used to fix and support the drive motor 22; the connecting bolt 14 connects the motor base 21 and the support base 11 to achieve fixation between the two; the drive motor 22 provides a power source for the cutting assembly 4, driving the cutting blade to rotate and cut.

[0030] The cutting assembly 4 includes a cutting base 41, a transmission rod 42 is movably installed inside the cutting base 41, and a cutting blade 43 is installed on the left side of the transmission rod 42. The cutting base 41 provides a stable basic support for the entire cutting assembly 4 and ensures the stability and accuracy of the cutting process; the transmission rod 42 is used to transmit power to the cutting blade 43.

[0031] A protective cover 6 is arranged on the outside of the cutting blade 43, and the protective cover 6 is fixed to the support base 11 through a first connecting block 12. The main function of the protective cover 6 is to protect the safety of the operator and prevent sparks, debris, dust and other impurities generated during the cutting process from splashing out and causing personal injury; the function of the first connecting block 12 is to firmly connect the protective cover 6 to the support base 11.

[0032] The transmission assembly 3 includes a first transmission wheel 31, which is arranged on the right side of the driving motor 22. The first transmission wheel 31 is connected to the second transmission wheel 32 through a transmission belt 33. The right side of the second transmission wheel 32 is connected to the first speed regulating wheel 53. When the mechanical equipment encounters abnormal conditions during operation, such as overload, jamming or sudden impact, the transmission belt 33 can effectively alleviate these impacts to avoid direct jamming or explosion.

[0033] The outer side of the clutch block 56 is connected to the clutch handle 57 via a bearing 58. The design that the outer side of the clutch block 56 is connected to the clutch handle 57 via a bearing 58 allows the operator to easily move the clutch block 56 by rotating the clutch handle 57, thereby switching or adjusting the power transmission path.

[0034] The outer shell 51 is fixed to the support base 11 via the second connecting block 13. Fixing the outer shell 51 to the support base 11 via the second connecting block 13 can ensure that the connection between the outer shell 51 and the device body is firm and reliable and is not easy to loosen or deform.

[0035] A clutch slot 511 is provided at the front upper end of the shell 51, and two sets of speed regulating slots 512 are provided at the rear upper end of the shell 51. The clutch handle 57 can be placed in the clutch slot 511 or the speed regulating slot 512. The speed regulating slot 512 and the clutch slot 511 can adjust the operating speed according to different working requirements, thereby improving the adaptability and flexibility of the equipment.

[0036] The working process of the utility model is as follows: first, after the driving motor 22 is started, the power is transmitted to the speed regulating component 5 through the first transmission wheel 31, the transmission belt 33 and the second transmission wheel 32; the power is first transmitted to the first speed regulating wheel 53 on the first speed regulating rod 52, and by moving the clutch block 56, the first speed regulating wheel 53 can be selectively meshed with the second speed regulating wheel 55 on the second speed regulating wheel 55, thereby changing the transmission ratio and realizing the speed regulating function; the clutch block 56 cooperates with the clutch groove 551 through the clutch key slot 561 to ensure accurate and stable positioning when switching the transmission path, and the design that the outer side of the clutch block 56 is connected to the clutch handle 57 through the bearing 58 allows the operator to easily move the clutch block 56 by rotating the clutch handle 57, thereby realizing the switching or adjustment of the power transmission path; the power is transmitted to the cutting blade 43 through the transmission rod 42, driving the cutting blade 43 to rotate and cut, and the protective cover 6 plays a protective role in the cutting process to prevent sparks, fragments, etc. from splashing out, thereby ensuring safe operation.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A profile cutting saw, comprising a support assembly (1), a drive assembly (2), a cutting assembly (4) and a speed regulating assembly (5), wherein the drive assembly (2) is mounted on the upper end of the support assembly (1), and the cutting assembly (4) is arranged at the front end of the support assembly (1), characterized in that: The right side of the driving component (2) is connected to the speed regulating component (5) via the transmission component (3), and the left side of the speed regulating component (5) is connected to the cutting component (4); The speed regulating assembly (5) comprises a housing (51), a first speed regulating rod (52) and a second speed regulating rod (54) are movably mounted on both sides of the housing (51) via bearings (58), two groups of first speed regulating wheels (53) are fixedly mounted on the first speed regulating rod (52), the sizes of the two groups of first speed regulating wheels (53) are different, two groups of second speed regulating wheels (55) are movably mounted on the second speed regulating rod (54) via bearings (58), the sizes of the two groups of second speed regulating wheels (55) correspond to the sizes of the first speed regulating wheels (53), a clutch block (56) is movably mounted between the two groups of second speed regulating wheels (55), clutch key slots (561) are arranged on both sides of the clutch block (56), clutch grooves (551) are arranged on opposite surfaces of the two groups of second speed regulating wheels (55), and the clutch block (56) is slidably mounted on the second speed regulating rod (54) via a limiting slide bar (541).

2. A profile cutting saw according to claim 1, characterized in that: The support assembly (1) comprises a support base (11), and the drive assembly (2) comprises a motor base (21). The motor base (21) is connected to the upper end of the support base (11) via connecting bolts (14), and a drive motor (22) is installed on the upper end of the motor base (21).

3. The profile cutting saw according to claim 1, characterized in that: The cutting assembly (4) comprises a cutting base (41), a transmission rod (42) is movably mounted inside the cutting base (41), and a cutting blade (43) is mounted on the left side of the transmission rod (42).

4. A profile cutting saw according to claim 3, characterized in that: A protective cover (6) is arranged on the outside of the cutting blade (43), and the protective cover (6) is fixed to the support base (11) via a first connecting block (12).

5. The profile cutting saw according to claim 1, characterized in that: The transmission assembly (3) comprises a first transmission wheel (31), the first transmission wheel (31) is arranged on the right side of the driving motor (22), the first transmission wheel (31) is connected to the second transmission wheel (32) via a transmission belt (33), and the right side of the second transmission wheel (32) is connected to the first speed regulating wheel (53).

6. The profile cutting saw according to claim 1, characterized in that: The outer side of the clutch block (56) is connected to the clutch handle (57) via a bearing (58).

7. The profile cutting saw according to claim 1, characterized in that: The housing (51) is fixed to the support base (11) via a second connecting block (13).

8. The profile cutting saw according to claim 6, characterized in that: A clutch groove (511) is provided on the front side of the upper end of the housing (51), and two sets of speed regulating grooves (512) are provided on the rear side of the upper end of the housing (51). The clutch handle (57) can be placed in the clutch groove (511) or the speed regulating groove (512).

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