Tool bit with adjustable cutting force

Abstract

The utility model relates to the technical field of cutting tool bits, and discloses a tool bit with adjustable cutting force, which comprises a tool bit and an arranged tool body, a diversion trench is arranged at the top of the tool bit, a connecting column is mounted at the top of the tool bit, and a connector is additionally arranged at the top of the connecting column; the surface of the telescopic rod is sleeved with a reset spring, storage grooves are formed in the two sides of the telescopic end of the telescopic rod, and side clamping rods are rotationally connected to the two sides of the telescopic end of the telescopic rod; the side clamping grooves correspond to the side clamping rods in position. According to the tool bit with the adjustable cutting force, when the tool body of the structure is connected with the tool bit, the tool bit drives a connecting column to be inserted into the tool body, then a telescopic end is pulled outwards, a telescopic rod is pulled out of an inner cavity of a connecting head, then a side clamping rod is rotated to rotate towards the outer side of a containing groove, and the side clamping rod moves under the action of a reset spring; the side clamping rods and the side clamping grooves are tightly attached. Therefore, the cutting force of the tool bit can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting bits, in particular to a cutting bit with adjustable cutting force. Background Art

[0002] The most intuitive understanding of a cutter head is the head of a tool—the tip or part of the blade. In tool construction, a cutter head typically includes components such as the rake face, primary flank face, secondary flank face, primary cutting edge, secondary cutting edge, and tip. Together, these components form the cutting portion of the tool, used for cutting, scraping, and other machining operations. The cutting head is a key component of a cutting tool, directly involved in the cutting process and significantly impacting machining quality and efficiency. The primary function of a cutting head is to remove excess material from a workpiece to achieve the desired shape, size, and surface finish.

[0003] A common tool head is usually composed of a rake face, a primary flank face, a secondary flank face, a primary cutting edge, and a secondary cutting edge. The primary cutting edge performs the main cutting work during the cutting process, while the secondary cutting edge collaborates with the primary cutting edge to complete the cutting work. The rake face is responsible for guiding the flow of chips, reducing friction and heat accumulation between the chips and the tool. The primary flank face contacts the transition surface of the workpiece during the cutting process, while the secondary flank face contacts the machined surface of the workpiece during the cutting process.

[0004] Traditional cutter heads are usually installed on equipment, such as machine tools, for use. The equipment drives the cutter head to cut the workpiece, but traditional equipment cannot drive the cutter head to adjust the angle during the cutting process. This not only limits processing flexibility and reduces quality, but also increases tool wear. To solve the above problems, some cutter heads are equipped with a fixture with an angle adjustment function on the equipment, and the cutter head and the fixture are connected so that the fixture drives the cutter head to adjust the angle. When the cutter head cuts the workpiece, the cutting force of the cutter head can be adjusted. However, in this method, since the shape and size of the cutter head are fixed, the cutting parameters used by different cutter heads on the equipment are different, so the cutting force of the cutter head can only be adjusted within a certain range. The workpieces to be cut vary in size, and the cutter head is fixed to the fixture by multiple sets of bolts. This not only makes it difficult to disassemble and assemble the cutter head and the fixture, but also limits the adjustment of the cutter head's cutting force. To this end, a cutter head with adjustable cutting force is proposed. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the deficiencies of the existing technology, the present invention provides a cutter head with adjustable cutting force to solve the above-mentioned technical problems that not only the cutter head and the fixture are difficult to disassemble and assemble, but also the cutting force adjustment of the cutter head is limited.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a cutter head with adjustable cutting force, comprising:

[0009] A cutter head, and a blade body arranged just above the top of the cutter head, with guide grooves opened around the top of the cutter head, a connecting column installed on the top of the cutter head, and a connector added to the top of the connecting column;

[0010] The telescopic rod is arranged at the front and rear ends of the inner cavity of the connector, and a return spring is sleeved on the surface of the telescopic rod, and a storage groove is opened on both sides of the telescopic end of the telescopic rod. The telescopic end of the telescopic rod is rotatably connected to the side clamping rod on both sides;

[0011] The side clamping grooves are arranged at the center of the front and back of the blade, and the position of the side clamping grooves corresponds to the position of the side clamping rods. The guide grooves can increase the contact area between the cutting fluid and the cutter head, and the cutting fluid can lubricate and reduce the cutting temperature, reduce the friction coefficient, and play a role in adjusting the cutting force. Usually, the blade body and the cutter head are designed as an integrated whole. When the blade body and the cutter head of this structure are connected, the cutter head drives the connecting column to be inserted into the interior of the blade body, and then pulls the telescopic end outward to pull the telescopic rod out of the inner cavity of the connector and squeeze the reset spring. Then, the side clamping rod is rotated toward the outside of the storage groove. The side clamping rod moves under the action of the reset spring, so that the side clamping rod and the side clamping groove fit tightly. On the one hand, there is no need to disassemble and assemble the blade head and the clamp. The blade body and the cutter head can be disassembled and assembled, which is not only convenient for disassembly and assembly, but also allows the cutter head to be replaced in time according to the workpiece to be processed, thereby achieving the function of adjusting the cutting force of the cutter head and avoiding the situation where the cutting force adjustment is limited. At the same time, the cutter head can be replaced individually, reducing the cost of use.

[0012] Preferably, a connecting seat is installed on the top of the blade body, and connecting cylinders are evenly added around the outer side of the top of the connecting seat. The blade body is connected to the clamp of the equipment through the connecting seat and the connecting cylinder.

[0013] Preferably, a rotating shaft is rotatably connected to the center of the inner cavity of the connecting cylinder, and the bottom end of the rotating shaft passes through the inner wall of the connecting cylinder and extends downward to be connected to a rotating handle. The rotating handle can drive the rotating shaft to rotate in the center of the inner cavity of the connecting cylinder and adjust the direction of the rotating shaft.

[0014] Preferably, side fixing plates are evenly arranged around the outer side of the bottom of the connecting seat, and a guide rod is inserted and connected to the surface of the side fixing plate, and an extrusion spring is sleeved on the surface of the guide rod. The extrusion spring drives the guide rod to move inward along the side fixing plate.

[0015] Preferably, a guide head is mounted on the end of the guide rod, and a fixed rod is attached to the top of the guide head, and the fixed rod fits tightly with the rotating handle. When the guide rod moves inward along the side fixing plate, the fixed rod is driven by the guide head to connect with the rotating handle, thereby ensuring the stability of the rotating handle.

[0016] Preferably, an arc block is installed at the upper, center, and lower parts of the inner cavity of the connecting tube, and the arc block is connected to the rotating shaft, and arc side plates are added on both sides of the arc block, and the outer sides of the arc side plates are connected to fixed cone heads, and compression springs are connected between the arc side plates and the fixed cone heads. The rotating shaft drives the arc block to rotate in the same direction, and the arc block drives the arc side plates to move outward, so that the fixed cone head moves to the outside of the connecting tube and connects with the clamp, and the compression spring is in a compressed state. Compared with the traditional connection using bolts, this structure not only facilitates the disassembly and assembly operations between the blade and the clamp, but also ensures the stability of the connection, avoiding the occurrence of long-term use causing the thread on the bolt to wear and cause separation and falling off.

[0017] (3) Beneficial effects

[0018] Compared with the prior art, the present invention provides a cutter head with adjustable cutting force, which has the following beneficial effects:

[0019] The cutter head with adjustable cutting force can increase the contact area between the cutting fluid and the cutter head through the guide groove, and the cutting fluid can lubricate and reduce the cutting temperature, reduce the friction coefficient and play a role in adjusting the cutting force. Usually, the blade body and the cutter head are of an integrated design. When the blade body and the cutter head of this structure are connected, the blade head drives the connecting column to be inserted into the interior of the blade body, and then pulls the telescopic end outward to pull the telescopic rod out of the inner cavity of the connecting head and squeeze the reset spring. Then, the side clamping rod is rotated toward the outside of the receiving groove. The side clamping rod moves under the action of the reset spring, so that the side clamping rod and the side clamping groove are tightly fitted. On the one hand, there is no need to disassemble and assemble the cutter head and the clamp, and the blade body and the cutter head can be disassembled and assembled, which is not only convenient for disassembly and assembly, but also allows the cutter head to be replaced in time according to the workpiece to be processed, thereby achieving the function of adjusting the cutting force of the cutter head and avoiding the situation where the cutting force adjustment is limited. On the other hand, when the cutter head is worn after long-term use, the cutter head can be replaced separately without replacing the blade body, thereby reducing the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0021] Figure 2 This is a schematic diagram of the connecting column and its connection structure of the utility model;

[0022] Figure 3This is a schematic diagram of the internal structure of the connector of the utility model;

[0023] Figure 4 This is a schematic diagram of the side fixing plate and its connection structure of the utility model;

[0024] Figure 5 This is a schematic diagram of the internal structure of the connecting tube of the utility model;

[0025] Figure 6 For this utility model Figure 1 Enlarged structural diagram at point A in the middle.

[0026] In the figure: 1. Blade body; 2. Blade head; 3. Guide groove; 4. Connecting column; 5. Connecting head; 6. Telescopic rod; 7. Return spring; 8. Storage groove; 9. Side clamping rod; 10. Side clamping groove; 11. Connecting seat; 12. Connecting cylinder; 13. Rotating shaft; 14. Rotating handle; 15. Side fixing plate; 16. Guide rod; 17. Extrusion spring; 18. Guide head; 19. Fixed plug rod; 20. Arc block; 21. Arc side plate; 22. Fixed cone head; 23. Compression spring. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] The utility model provides a technical solution, a cutting head with adjustable cutting force, including: Figure 1 , a cutter head 2, and a blade body 1 arranged just above the top of the cutter head 2, with a guide groove 3 opened around the top of the cutter head 2, and a connecting column 4 installed on the top of the cutter head 2, and a connecting head 5 is added to the top of the connecting column 4;

[0029] See also Figure 2 、 Figure 3 , the telescopic rod 6 is arranged at the front and rear ends of the inner cavity of the connector 5, and the surface of the telescopic rod 6 is provided with a return spring 7, and a receiving groove 8 is opened on both sides of the telescopic end of the telescopic rod 6, and the telescopic end of the telescopic rod 6 is rotatably connected to the side clamping rod 9 on both sides;

[0030] See also Figure 6The side clamping grooves 10 are arranged at the center of the front and back of the blade 1, and the position of the side clamping grooves 10 corresponds to the position of the side clamping rods 9. The contact area between the cutting fluid and the cutter head 2 can be increased by the guide grooves 3, and the cutting fluid can be used for lubrication and to reduce the cutting temperature, reduce the friction coefficient and play a role in regulating the cutting force. Usually, the blade 1 and the cutter head 2 are designed as an integrated whole. When the blade 1 and the cutter head 2 of this structure are connected, the cutter head 2 drives the connecting column 4 to be inserted into the interior of the blade 1, and then pulls the telescopic end outward to pull the telescopic rod 6 out of the inner cavity of the connecting head 5, and squeezes the reset spring 7, and then rotates the side clamping rod 9 to the outside of the storage groove 8. The side clamping rod 9 moves under the action of the reset spring 7, so that the side clamping rod 9 and the side clamping groove 10 fit tightly. On the one hand, there is no need to disassemble and assemble the cutter head 2 and the fixture, and the blade body 1 and the cutter head 2 can be disassembled and assembled. This is not only convenient for disassembly and assembly, but also the cutter head 2 can be replaced in time according to the workpiece to be processed, thereby achieving the effect of adjusting the cutting force of the cutter head 2 and avoiding the situation where the cutting force adjustment is limited. At the same time, the cutter head 2 can be replaced separately, reducing the cost of use.

[0031] See also Figure 1 The top of the blade 1 is provided with a connecting seat 11, and the top outer side of the connecting seat 11 is evenly provided with connecting tubes 12. The blade 1 is connected to the fixture of the device through the connecting seat 11 and the connecting tube 12.

[0032] See also Figure 4 The inner center of the connecting tube 12 is rotatably connected to a rotating shaft 13, and the bottom end of the rotating shaft 13 extends downward through the inner wall of the connecting tube 12 and is connected to a rotating handle 14. The rotating handle 14 can drive the rotating shaft 13 to rotate in the inner center of the connecting tube 12 and adjust the direction of the rotating shaft 13. Side fixing plates 15 are evenly added around the outer side of the bottom of the connecting base 11, and the surface of the side fixing plates 15 is inserted and connected to the guide rod 16, and an extrusion spring 17 is sleeved on the surface of the guide rod 16. The extrusion spring 17 drives the guide rod 16 to move inward along the side fixing plates 15. A guide head 18 is installed at the end of the guide rod 16, and a fixed plug 19 is added to the top of the guide head 18. The fixed plug 19 is tightly fitted with the rotating handle 14. When the guide rod 16 moves inward along the side fixing plates 15, the guide head 18 drives the fixed plug 19 to connect to the rotating handle 14, thereby ensuring the stability of the rotating handle 14.

[0033] See also Figure 5The upper, center, and lower parts of the inner cavity of the connecting tube 12 are equipped with an arc block 20, and the arc block 20 is connected to the rotating shaft 13. Arc side plates 21 are added on both sides of the arc block 20, and the outer side of the arc side plate 21 is connected to a fixed cone head 22, and a compression spring 23 is connected between the arc side plate 21 and the fixed cone head 22. The rotating shaft 13 drives the arc block 20 to rotate in the same direction, and the arc block 20 drives the arc side plate 21 to move outward, so that the fixed cone head 22 moves to the outside of the connecting tube 12 and is connected to the clamp, and the compression spring 23 is in a compressed state. Compared with the traditional connection using bolts, this structure not only facilitates the disassembly and assembly operations between the blade 1 and the clamp, but also ensures the stability of the connection, avoiding the occurrence of long-term use causing the thread on the bolt to wear and separate.

[0034] This solution: The contact area between the cutting fluid and the cutter head 2 can be increased by the guide groove 3, and the cutting fluid can lubricate and reduce the cutting temperature, reduce the friction coefficient and play a role in regulating the cutting force. Usually, the blade body 1 and the cutter head 2 are of an integrated design. When the blade body 1 and the cutter head 2 of this structure are connected, the cutter head 2 drives the connecting column 4 to be inserted into the interior of the blade body 1, and then pulls the telescopic end outward to pull the telescopic rod 6 out of the inner cavity of the connecting head 5, and squeezes the reset spring 7, and then rotates the side clamp rod 9 to the outside of the storage groove 8. The side clamp rod 9 moves under the action of the reset spring 7, so that the side clamp rod 9 and the side clamp groove 10 are tightly fitted. The rotating handle 14 can be used to drive the rotating shaft 13 to rotate in the center of the inner cavity of the connecting tube 12. The rotating shaft 13 drives the arc block 20 to rotate in the same direction. The arc block 20 drives the arc side plate 21 to move outward, so that the fixed cone head 22 moves to the outside of the connecting tube 12 and connects with the clamp, and the compression spring 23 is in a compressed state. The extrusion spring 17 drives the guide rod 16 to move inward along the side fixing plate 15 . When the guide rod 16 moves inward along the side fixing plate 15 , the guide head 18 drives the fixed insertion rod 19 to connect with the rotating handle 14 .

[0035] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cutting head with adjustable cutting force, characterized in that: include: A cutter head (2), and a blade body (1) arranged just above the top of the cutter head (2), with guide grooves (3) provided around the top of the cutter head (2), a connecting column (4) installed on the top of the cutter head (2), and a connector (5) added to the top of the connecting column (4); The telescopic rod (6) is arranged at the front end and the rear end of the inner cavity of the connector (5), and a return spring (7) is sleeved on the surface of the telescopic rod (6). Receiving grooves (8) are provided on both sides of the telescopic end of the telescopic rod (6). Side clamping rods (9) are rotatably connected to both sides of the telescopic end of the telescopic rod (6); The side clamping grooves (10) are arranged at the center positions of the front and back sides of the blade body (1), and the positions of the side clamping grooves (10) and the side clamping rods (9) correspond to each other.

2. The cutter head with adjustable cutting force according to claim 1, characterized in that: A connecting seat (11) is installed on the top of the blade body (1), and connecting tubes (12) are evenly provided around the outer sides of the top of the connecting seat (11).

3. The cutter head with adjustable cutting force according to claim 2, characterized in that: The center of the inner cavity of the connecting cylinder (12) is rotatably connected to a rotating shaft (13), and the bottom end of the rotating shaft (13) passes through the inner wall of the connecting cylinder (12) and extends downward to be connected to a rotating handle (14).

4. The cutter head with adjustable cutting force according to claim 3, characterized in that: Side fixing plates (15) are evenly provided around the outer sides of the bottom of the connecting seat (11), and the surface of the side fixing plates (15) is connected with a guide rod (16) inserted thereon, and an extrusion spring (17) is sleeved on the surface of the guide rod (16).

5. The cutter head with adjustable cutting force according to claim 4, characterized in that: A guide head (18) is installed at the end of the guide rod (16), and a fixed insertion rod (19) is added to the top of the guide head (18). The fixed insertion rod (19) is tightly fitted with the rotating handle (14).

6. The cutter head with adjustable cutting force according to claim 5, characterized in that: The upper part, the center and the lower part of the inner cavity of the connecting tube (12) are equipped with arc blocks (20), and the arc blocks (20) are connected to the rotating shaft (13). Arc side plates (21) are added on both sides of the arc blocks (20), and the outer sides of the arc side plates (21) are connected to fixed cone heads (22), and a compression spring (23) is connected between the arc side plates (21) and the fixed cone heads (22).

Images