Connecting structure with tool bit convenient to replace

Abstract

The utility model relates to the technical field of tool bit devices, in particular to a connecting structure facilitating tool bit replacement, which comprises a tool bit, a fixing assembly and a mounting assembly, the tool bit is fixedly provided with a cylinder, the cylinder is made of a hard and non-deformable material, one end of the cylinder is fixedly connected with a tool nose, and a connecting slope is arranged at the joint of the cylinder and the tool nose. A limiting ring is fixedly connected to the peripheral side of the end, close to the tool nose, of the column and is made of the same material as the column. According to the device, all the components are split, the split components are simple and not numerous, the device can be disassembled and reassembled, the components are more convenient to maintain and replace, when a certain component is damaged or aged, only the component needs to be replaced, time and cost are saved, meanwhile, the device is more convenient to carry and store, the components convenient to split are arranged, and the cost is reduced. The device can adapt to objects of different shapes and sizes, different cutting requirements can be met, and meanwhile the connecting structure facilitating replacement of the tool bit can be expanded according to requirements.

Description

Technical Field

[0001] The present application relates to the technical field of cutter head devices, and more specifically to a connection structure that facilitates the replacement of cutter heads. Background Art

[0002] The connection structure for facilitating the replacement of the cutter head is a quick-change interface, which usually includes a seat fixed on the tool handle and a plug fixed on the cutter head. The seat and the plug are designed with a quick snap-on fit, so the cutter head can be easily inserted or removed from the seat, thereby achieving the purpose of quickly replacing the cutter head. This connection structure is widely used in industrial fields and home use.

[0003] The patent with publication number CN108714717A discloses a cutting tool for facilitating replacement of cutting blades, including a shank, a first reserved hole and a cutter head, a connecting plate is fixed to the upper end surface of the shank, and a first connecting piece is welded to the upper end of the connecting plate, the first reserved holes are arranged at equal intervals on the surface of the connecting plate, a blade is arranged at the upper end of the cutter head, and a chip groove is reserved on the side of the blade, a push piece is fixed to the outer side of the lower end of the mounting plate, and a third connecting piece is installed on the lower end surface of the push piece, and a second reserved hole is fixed to one side of the push piece, the shank is connected to the cutter head by a bolt, and a fourth connecting piece is fixed to the center position of the lower end of the mounting plate.

[0004] Since the connection structure for facilitating replacement of the cutter head usually has detachable connection parts, these connection parts may become loose or damaged during long-term use, which may cause the stability and performance of the device to decrease. Secondly, since the device contains multiple parts and each part is small, one or more of the parts may be lost during the disassembly and reassembly process.

[0005] Therefore, a connection structure is designed to facilitate the replacement of the cutter head and assist in completing the cutting operation, thereby effectively solving the above problems. Utility Model Content

[0006] In view of the fact that in the prior art, the connection structure for facilitating the replacement of the cutter head usually has detachable connection parts, which may become loose or damaged during long-term use, and may cause the stability and performance of the device to decrease. Secondly, since the device includes multiple parts and each part is small, one or more of the parts may be lost during the disassembly and reassembly process, a connection structure is designed to facilitate the replacement of the cutter head.

[0007] The technical solution adopted by the utility model to solve its technical problems is: a connection structure that is easy to replace the cutter head, including the cutter head, a fixing assembly and an installation assembly, the cutter head is fixedly provided with a column, the column is made of a hard and non-deformable material, one end of the column is fixedly connected to the cutter tip, a connecting bevel is provided at the connection between the column and the cutter tip, a limiting ring is fixedly connected to the outer peripheral side of one end of the column close to the cutter tip, and the material of the limiting ring is the same as that of the column.

[0008] Preferably, a straight notch is provided at one end of the blade tip, the length of the straight notch is approximately one third of the length of the blade tip, and the surface of the straight notch is smooth.

[0009] Preferably, a limiting bevel is provided at one end of the column away from the blade tip, a cylindrical groove is provided on the surface of the limiting bevel, the cylindrical groove runs through the column, and another notch of the cylindrical groove is disposed on the connecting bevel.

[0010] Preferably, the fixing assembly is fixedly provided with a fixing ring, the fixing ring is a hollow cylindrical structure, and the outer peripheral surface of the fixing ring is provided with a plurality of tiny grooves to form a concave-convex structure.

[0011] Preferably, a limiting bevel is provided at one end of the fixing ring, and connecting ports are provided at both ends of the fixing ring. The cross-section of the connecting port at the end close to the limiting bevel is smaller than the cross-section of the connecting port at the end away from the limiting bevel, and a thread is provided on the inner circumference of the fixing ring.

[0012] Preferably, the mounting assembly is fixedly provided with a mounting body, the interior of the mounting body is a hollow structure, one end of the mounting body is fixedly connected with a mounting port, the mounting port is a columnar structure, and the outer peripheral side of the mounting port is provided with a thread, and a connecting groove is opened in the center of the mounting port.

[0013] Preferably, an action block is fixedly arranged inside the installation body, and an action groove is opened at the center of the action block.

[0014] Preferably, an action groove is provided at the other end of the installation body, an open groove is provided at the outer peripheral side of one end of the installation body close to the connection port, and an installation inclined surface is provided at the outer peripheral side of the middle part of the installation body.

[0015] Preferably, the column of the cutter head passes through the fixing assembly through the connecting port and is inserted into the action groove inside the mounting body, and the fixing assembly is integrally sleeved on the mounting port at one end of the mounting body.

[0016] Beneficial effects of the utility model:

[0017] (1) The utility model discloses a connection structure that facilitates the replacement of the cutter head. By disassembling the components, the disassembled components are simple and not numerous, and are not easy to lose. The device can be easily disassembled and reassembled, making it more convenient to repair and replace parts. In this way, when a component is damaged or aged, only the component needs to be replaced without replacing the entire device, thereby saving time and cost. At the same time, the device can be disassembled into smaller components, so it is more convenient to carry and store.

[0018] (2) The utility model discloses a connection structure for facilitating the replacement of a tool head. By providing parts that are easy to disassemble, the device can adapt to objects of different shapes and sizes. By selecting appropriate components, the device is not subject to inherent limitations. At the same time, the connection structure for facilitating the replacement of the tool head can be expanded as needed. When it is necessary to increase functions or process larger workpieces, appropriate components can be added to meet the requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0022] Figure 3 It is an exploded view of the overall structure of the utility model;

[0023] Figure 4 It is a side view of the overall structure of the utility model.

[0024] In the figure: 1. cutter head; 11. cylinder; 12. connecting bevel; 13. cutter tip; 14. straight slot; 15. limiting ring; 16. cylindrical slot; 17. limiting bevel; 2. fixing assembly; 21. fixing ring; 22. limiting bevel; 23. connecting port; 3. mounting assembly; 31. mounting body; 32. mounting bevel; 33. movable slot; 34. mounting port; 35. connecting slot; 36. action block; 37. action slot; 38. open slot. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] Example:

[0027] like Figure 1-4As shown, the utility model describes a connection structure for facilitating replacement of a cutter head, comprising a cutter head 1, a fixing assembly 2 and an installation assembly 3. The cutter head 1 is fixedly provided with a column 11, the column 11 is made of a hard material that is not easily deformed, one end of the column 11 is fixedly connected to a cutting tip 13, a connecting bevel 12 is provided at the connection between the column 11 and the cutting tip 13, a limiting ring 15 is fixedly connected to the outer peripheral side of one end of the column 11 close to the cutting tip 13, the material of the limiting ring 15 is the same as that of the column 11, and the limiting ring 15 provided on the outer peripheral side of the column 11 is to limit the cutter head 1 from accidentally falling off when it passes through the fixing assembly 2 and is inserted into the installation body 31, so as to prevent the cutter head 1 from affecting normal operation when working without the limiting ring 15.

[0028] Specifically, a straight slot 14 is formed at one end of the blade tip 13 . The length of the straight slot 14 is approximately one third of the length of the blade tip 13 , and the surface of the straight slot 14 is smooth.

[0029] In this embodiment, a straight slot 14 is opened at one end of the blade tip 13. The length of the straight slot 14 is less than the length of the blade tip 13 and the surface is smooth. When performing a cutting operation, the specific position is first determined by one end of the blade tip 13, and then cutting is performed.

[0030] In one embodiment, preparation work is performed for a cutting operation.

[0031] Specifically, a limiting slope 17 is provided at one end of the column 11 away from the blade tip 13 , and a cylindrical groove 16 is provided on the surface of the limiting slope 17 . The cylindrical groove 16 passes through the column 11 , and the other notch of the cylindrical groove 16 is disposed on the connecting slope 12 .

[0032] In this embodiment, a limiting bevel 17 is provided at one end of the column 11, and a cylindrical groove 16 is opened on the surface of the limiting bevel 17. The notches of the cylindrical groove 16 are respectively on the limiting bevel 17 and the connecting bevel 12. The cylindrical groove 16 runs through the entire column 11. The cylindrical groove 16 is opened to reduce pressure during cutting. One end of the limiting bevel 17 is later inserted into the action groove 37 inside the mounting body 31.

[0033] In one of the embodiments, in order to fix and install the cutter head 1.

[0034] Specifically, the fixing assembly 2 is fixedly provided with a fixing ring 21 , which is a hollow cylindrical structure, and a plurality of tiny grooves are provided on the outer peripheral surface of the fixing ring 21 to form a concave-convex structure.

[0035] In this embodiment, the outer surface of the fixing ring 21 is uneven so as to prevent the fixing from being loose due to the smooth surface that is not easy to twist when it is connected to the installation opening 34.

[0036] In one embodiment, the mounting opening 34 is provided for fixing.

[0037] Specifically, a limiting inclined surface 22 is provided at one end of the fixing ring 21, and connecting ports 23 are provided at both ends of the fixing ring 21. The cross section of the connecting port 23 at the end close to the limiting inclined surface 22 is smaller than the cross section of the connecting port 23 at the end away from the limiting inclined surface 22. The inner circumference of the fixing ring 21 is provided with threads.

[0038] In this embodiment, a limiting inclined surface 22 is provided at one end of the fixing ring 21, and the limiting inclined surface 22 is connected to the fixing ring 21. The column 11 of the cutter head 1 passes through the fixing ring 21. The slightly smaller side connection port 23 on the fixing ring 21 can limit the limiting ring 15 on the column 11 so that it is fixed on the mounting body 31. The thread inside the fixing ring 21 is for socketing the mounting port 34.

[0039] In one of the embodiments, the cutter head 1 is restricted so as to be fixed through the fixing ring 21 .

[0040] Specifically, the mounting assembly 3 is fixedly provided with a mounting body 31, the interior of the mounting body 31 is a hollow structure, one end of the mounting body 31 is fixedly connected with a mounting port 34, the mounting port 34 is a columnar structure, and the outer peripheral side of the mounting port 34 is provided with a thread, and a connecting groove 35 is opened in the center of the mounting port 34.

[0041] In this embodiment, a mounting opening 34 is provided at one end of the mounting body 31, and the outer peripheral side of the mounting opening 34 is a threaded structure for connecting the fixing ring 21. The column 11 of the cutter head 1 passes through the fixing component 2 and is inserted into the connecting groove 35 to make the device more perfect.

[0042] In one of the embodiments, the purpose is to insert the column 11 on the cutter head 1.

[0043] Specifically, an action block 36 is fixedly disposed inside the installation body 31 , and an action groove 37 is formed at the center of the action block 36 .

[0044] In this embodiment, an action block 36 is provided inside the mounting body 31. The action block 36 is provided to allow the limiting inclined surface 17 at one end of the cutter head 1 to be inserted into the mounting body 31 so that the cutter head 1 is fixed and does not shake.

[0045] In one of the embodiments, a limiting ramp 17 is provided.

[0046] Specifically, an open groove 38 is provided at the other end of the mounting body 31 , a movable groove 33 is provided at the outer peripheral side of one end of the mounting body 31 close to the connection port 23 , and a mounting inclined surface 32 is provided at the outer peripheral side of the middle part of the mounting body 34 .

[0047] In this embodiment, a movable groove 33 is provided on the outer peripheral side of the mounting body 31, and the movable groove 33 can reduce the pressure during cutting. A mounting slope 32 is provided in the middle of the mounting body 31, which can make the device better installed on the required machine and make the appearance of the device more beautiful.

[0048] In one of the embodiments, the device is made more complete and has a more beautiful appearance.

[0049] Specifically, the column 11 of the cutter head 1 passes through the connecting opening 23 and is inserted into the action groove 37 inside the mounting body 31 . The mounting assembly 2 is integrally sleeved on the mounting opening 34 at one end of the mounting body 31 .

[0050] In this embodiment, the device is connected by the cutter head 1 passing through the fixing component 2 through the column 11 and inserted into the inside of the mounting component 2. The fixing component 2 tightens the fixing ring 21 to fix it on the mounting port 34 of the mounting component 3, and the device connection is completed.

[0051] In one embodiment, the device connection is more complete.

[0052] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A connection structure for facilitating replacement of a cutter head, comprising a cutter head (1), a fixing assembly (2) and a mounting assembly (3), characterized in that: The cutter head (1) is fixedly provided with a column (11), the column (11) is made of a hard material that is not easily deformed, one end of the column (11) is fixedly connected to a cutting tip (13), a connecting bevel (12) is provided at the connection between the column (11) and the cutting tip (13), a limiting ring (15) is fixedly connected to the outer peripheral side of one end of the column (11) close to the cutting tip (13), and the material of the limiting ring (15) is the same as that of the column (11).

2. The connection structure for facilitating the replacement of a cutter head according to claim 1, characterized in that: A straight slot (14) is formed at one end of the blade tip (13). The length of the straight slot (14) is approximately one third of the length of the blade tip (13), and the surface of the straight slot (14) is smooth.

3. The connection structure for facilitating the replacement of a cutter head according to claim 1, characterized in that: A limiting bevel (17) is provided at one end of the column (11) away from the blade tip (13), a cylindrical groove (16) is provided on the surface of the limiting bevel (17), the cylindrical groove (16) passes through the column (11), and another notch of the cylindrical groove (16) is disposed on the connecting bevel (12).

4. The connection structure for facilitating the replacement of a cutter head according to claim 1, characterized in that: The fixing assembly (2) is fixedly provided with a fixing ring (21), the fixing ring (21) being a hollow column structure, and the outer peripheral surface of the fixing ring (21) is provided with a plurality of tiny grooves to form a concave-convex structure.

5. The connection structure for facilitating replacement of a cutter head according to claim 4, characterized in that: A limiting inclined surface (22) is provided at one end of the fixing ring (21), and connecting openings (23) are provided at both ends of the fixing ring (21), wherein a cross section of the connecting opening (23) at the end close to the limiting inclined surface (22) is smaller than a cross section of the connecting opening (23) at the end away from the limiting inclined surface (22), and a thread is provided on the inner circumference of the fixing ring (21).

6. The connection structure for facilitating replacement of a cutter head according to claim 1, characterized in that: The mounting assembly (3) is fixedly provided with a mounting body (31), the interior of the mounting body (31) is a hollow structure, one end of the mounting body (31) is fixedly connected with a mounting opening (34), the mounting opening (34) is a columnar structure, and the outer peripheral side of the mounting opening (34) is provided with a thread, and a connecting groove (35) is provided at the center of the mounting opening (34).

7. The connection structure for facilitating the replacement of a cutter head according to claim 6, characterized in that: An action block (36) is fixedly arranged inside the installation body (31), and an action groove (37) is provided at the center of the action block (36).

8. The connection structure for facilitating the replacement of a cutter head according to claim 7, characterized in that: An open groove (38) is provided at the other end of the installation body (31), a movable groove (33) is provided on the outer peripheral side of one end of the installation body (31) close to the connection port (23), and a mounting inclined surface (32) is provided on the outer peripheral side of the middle part of the installation body (31).

9. The connection structure for facilitating replacement of a cutter head according to claim 1, characterized in that: The column (11) of the cutter head (1) passes through the fixing assembly (2) through the connection port (23) and is inserted into the action groove (37) inside the mounting body (31); the fixing assembly (2) is integrally sleeved on a mounting port (34) at one end of the mounting body (31).

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