A cutting device for machining with quickly replaceable cutting blades

Abstract

The utility model discloses a kind of cutting device for machining with cutting piece that can be quickly replaced, belong to machining technical field, including base, the side of base top is fixed with side frame, slidingly setting up auxiliary slide in side frame, rotatingly setting up with butt joint shaft in auxiliary slide, the motor of output shaft end fixed in butt joint shaft one end is fixed in the side of auxiliary slide by mounting bracket.The utility model is fixed by setting positioning assembly, using the clamping mode with automatic locking structure, cutting piece and butt joint shaft can be quickly fixed, so that cutting piece and motor can be quickly fixed, and the whole assembly mode only needs to be plugged and rotated, without the aid of external tools, greatly improve the assembly efficiency of cutting piece, and reverse operation can be disassembled, user can quickly replace cutting piece, avoid the situation that the machining efficiency of cutting device is affected due to assembly time is too long.

Description

Technical Field

[0001] This utility model belongs to the field of machining technology, and in particular relates to a machining cutting device with a quick-change cutting disc. Background Technology

[0002] Machining refers to the process of changing the shape, size, or properties of a workpiece using mechanical equipment. Based on the processing method, it can be divided into cutting and pressure processing. During machining, a cutting device is needed to cut the workpiece. Traditional machining cutting devices cannot quickly assemble the cutting blades using a fast-clamping self-locking method; they are mostly locked and fixed directly with bolts. This installation process is overly cumbersome and requires suitable assembly tools, greatly reducing assembly efficiency and directly affecting the normal use of the cutting device. It also leads to subsequent disassembly being equally troublesome, making it impossible to quickly replace the cutting blades. Utility Model Content

[0003] The purpose of this invention is to provide a machining cutting device with a quick-change cutting disc. By setting a positioning component and adopting a snap-fit ​​method with an automatic locking structure, the cutting disc can be quickly fixed to the docking shaft, thereby quickly fixing the cutting disc to the motor. The entire assembly process only requires plugging and rotating, without the need for external tools, which greatly improves the assembly efficiency of the cutting disc. Disassembly is also done in reverse, making it convenient for users to quickly replace the cutting disc and avoiding the situation where the processing efficiency of the cutting device is affected by excessive assembly time, thus solving the above-mentioned technical problems.

[0004] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A cutting device for machining with quick-change cutting blades includes a base, a side frame fixed on one side of the top of the base, an auxiliary slide block slidably arranged in the side frame, a docking shaft rotatably mounted in the auxiliary slide block, a motor with its output shaft end fixed to one end of the docking shaft fixed on one side of the auxiliary slide block by a mounting bracket, a cutting blade arranged at the other end of the docking shaft, a cylinder embedded in the top of the side frame, the piston rod of the cylinder fixed on the auxiliary slide block, and a positioning component for quick assembly of the cutting blades arranged between the docking shaft and the cutting blades.

[0005] Preferably, the positioning assembly includes a docking seat fixed to the other end of the docking shaft. The cutting blade has an insertion hole for the protruding end of the docking seat to engage. The cutting blade has multiple sets of positioning holes evenly spaced. A reinforcing rod with one end fixed to the docking seat is inserted into each set of positioning holes. A fixing hole is provided at the right end of the docking seat. A docking post is inserted into the fixing hole. A blocking plate with its left side attached to the right side of the cutting blade is fixed to one end of the docking post. Multiple sets of locking rods are evenly fixed along the left-right direction on the docking post. Multiple sets of strip grooves that cooperate with the locking rods are evenly spaced in the fixing hole. An arc-shaped groove is provided in each set of strip grooves for the locking rods to be rotatably inserted and communicates with the fixing hole. A locking frame is inserted into the blocking plate. The three ends of the left side of the locking frame penetrate the cutting blade and are inserted into the docking seat. A spring is fixed to the right side of the blocking plate and the side wall of the locking frame that are close to each other.

[0006] Preferably, a protective cover for the spring is fixed to the right side of the inner cavity of the locking frame, and the left side of the protective cover is attached to the right side of the blocking disc.

[0007] Preferably, the docking seat has an overall T-shaped structure, and the diameter of the left side of the docking seat is greater than the diameter of the right side of the docking seat.

[0008] Preferably, the number of reinforcing rods on the docking seat is at least three sets.

[0009] Preferably, the base has a strip-shaped auxiliary groove for use with the cutting blade.

[0010] Preferably, the front and back of the side frame cavity are fixed with locking strips, and the front and back of the auxiliary slide are engaged with the locking strips through locking slots.

[0011] The beneficial effects of this utility model are: 1. This utility model, by setting a positioning component and adopting a snap-fit ​​method with an automatic locking structure, can quickly fix the cutting disc to the docking shaft, thereby quickly fixing the cutting disc to the motor. The entire assembly method only requires plugging and rotating, without the need for external tools, which greatly improves the assembly efficiency of the cutting disc. Disassembly can be done in reverse, which makes it easy for users to quickly replace the cutting disc and avoids the situation where the processing efficiency of the cutting device is affected by excessive assembly time.

[0012] 2. By setting a protective cover, this utility model can protect the spring. On the one hand, it can prevent fragments generated during workpiece cutting from directly impacting the spring and damaging it. On the other hand, it can prevent external moisture and other substances from excessively corroding the spring, greatly extending the service life of the spring and improving the installation stability of the cutting blade.

[0013] 3. This utility model sets up a docking seat with an overall T-shaped structure and a diameter difference, so that the docking seat can effectively limit the side of the cutting blade, which facilitates the improvement of the assembly stability of the cutting blade.

[0014] 4. By limiting the number of reinforcing rods, this utility model improves the overall joint strength of the cutting blade, thereby enhancing the overall stability of the cutting device and preventing the cutting blade from easily breaking.

[0015] 5. This utility model provides a strip-shaped auxiliary groove to allow space for the cutting disc to move downwards, thus preventing the cutting disc from directly contacting the base and avoiding damage to the cutting disc.

[0016] 6. This utility model improves the stability of the auxiliary slide when it moves by setting a locking strip and cooperating with the locking groove on the auxiliary slide to limit the sliding of the auxiliary slide and prevent it from easily detaching from the side frame. Attached Figure Description

[0017] The advantages of the present invention, as described above and / or in the following detailed description in conjunction with the accompanying drawings, will become clearer and more readily understood. These drawings are merely illustrative and do not limit the scope of the present invention. Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a side view of the overall structure of this utility model; Figure 3 This is a partial sectional view of the structure of this utility model; Figure 4 This is a partial exploded view of the structure of this utility model; Figure 5 This is a partial side sectional view of the structure of the docking seat of this utility model.

[0018] In the attached diagram, the components represented by each number are as follows: 1. Base; 2. Side frame; 3. Auxiliary slide; 4. Connecting shaft; 5. Motor; 6. Cutting blade; 7. Cylinder; 8. Connecting seat; 9. Reinforcing rod; 10. Positioning hole; 11. Fixing hole; 12. Strip groove; 13. Blocking plate; 14. Connecting post; 15. Locking rod; 16. Locking frame; 17. Protective cover; 18. Spring; 19. Arc groove; 20. Insertion hole. Detailed Implementation

[0019] In the following description, an embodiment of the present invention, a machining cutting device with a quick-change cutting disc, will be described with reference to the accompanying drawings.

[0020] The embodiments described herein are specific implementations of this utility model, used to illustrate the concept of this utility model. They are all illustrative and exemplary, and should not be construed as limiting the implementation methods or scope of this utility model. In addition to the embodiments described herein, those skilled in the art can employ other obvious technical solutions based on the content disclosed in the claims and specification of this application. These technical solutions include those that make any obvious substitutions and modifications to the embodiments described herein.

[0021] Appendix to this instruction manual Figure 1-5 The figures are schematic diagrams to illustrate the concept of this utility model, showing the shapes of the various parts and their interrelationships. Please note that, to clearly demonstrate the structure of the components in the embodiments of this utility model, the figures are not drawn to the same scale. The same reference numerals are used to indicate the same parts.

[0022] Example 1: A machining cutting device with a quick-change cutting blade includes a base 1, a side frame 2 fixed to one side of the top of the base 1, an auxiliary slide 3 slidably disposed within the side frame 2, a docking shaft 4 rotatably mounted within the auxiliary slide 3, a motor 5 whose output shaft end is fixed to one end of the docking shaft 4 and a cutting blade 6 disposed at the other end of the docking shaft 4 via a mounting bracket, a cylinder 7 embedded in the top of the side frame 2, the piston rod of the cylinder 7 being fixed to the auxiliary slide 3, a positioning assembly for quick assembly of the cutting blade 6 being disposed between the docking shaft 4 and the cutting blade 6, the positioning assembly including a docking seat 8 fixed to the other end of the docking shaft 4, an insertion hole 20 for the protruding end of the docking seat 8 to engage with the cutting blade 6, and multiple sets of positioning holes 10 evenly distributed on the cutting blade 6, each set of positioning holes 10. Each of the positioning holes 10 is fitted with a reinforcing rod 9, one end of which is fixed to the docking seat 8. A fixing hole 11 is provided at the right end of the docking seat 8. A docking post 14 is inserted into the fixing hole 11. A blocking plate 13 with its left side attached to the right side of the cutting piece 6 is fixed to one end of the docking post 14. Multiple sets of locking rods 15 are evenly fixed on the docking post 14 in the left-right direction. Multiple sets of strip grooves 12 that cooperate with the locking rods 15 are evenly provided in the fixing hole 11. Each set of strip grooves 12 has an arc groove 19 that allows the locking rods 15 to be inserted and is connected to the fixing hole 11. A locking frame 16 is inserted on the blocking plate 13. The three ends of the left side of the locking frame 16 pass through the cutting piece 6 and are inserted into the docking seat 8. A spring 18 is fixed on the right side of the blocking plate 13 and the side wall of the inner cavity of the locking frame 16 that are close to each other.

[0023] Specifically, this utility model, through the design of positioning components, spring 18, and locking bracket 16, forms a locking structure for the blocking disc 13, docking post 14, and locking rod 15. This allows the locking rod 15 to self-lock when it rotates into the arc groove 19, preventing rotation and thus limiting the position of the blocking disc 13. The snap-fit ​​method with an automatic locking structure allows for quick fixing of the cutting disc 6 to the docking shaft 4, and consequently, quick fixing of the cutting disc 6 to the motor 5. The entire assembly process requires only insertion and rotation, eliminating the need for external tools and greatly improving the assembly efficiency of the cutting disc 6. Disassembly is also straightforward, allowing for quick replacement of the cutting disc 6 and preventing situations where prolonged assembly time affects the processing efficiency of the cutting device.

[0024] A protective cover 17 is fixed to the right side of the inner cavity of the locking frame 16 to cover the spring 18, and the left side of the protective cover 17 is attached to the right side of the blocking plate 13.

[0025] Specifically, the design of the protective cover 17 can shield and protect the spring 18, preventing fragments generated during workpiece cutting from directly impacting the spring 18 and damaging it. It can also prevent external moisture from excessively corroding the spring 18, extending the service life of the spring 18, thereby improving the installation stability of the cutting disc 6.

[0026] The docking seat 8 has a T-shaped structure, and the diameter of the left side of the docking seat 8 is greater than the diameter of the right side of the docking seat 8.

[0027] Specifically, the docking seat 8 has an overall T-shaped structure design, and the diameter difference between the two ends of the docking seat 8 is matched so that the docking seat 8 can effectively limit the side of the cutting piece 6, which facilitates the improvement of the assembly stability of the cutting piece 6.

[0028] The number of reinforcing rods 9 on the docking seat 8 is at least three sets.

[0029] Specifically, limiting the number of reinforcing rods 9 improves the overall joint strength of the cutting blades 6, thereby enhancing the overall stability of the cutting device and preventing the cutting blades 6 from easily breaking.

[0030] The base 1 has a strip-shaped auxiliary groove that works in conjunction with the cutting blade 6.

[0031] Specifically, the design of the strip-shaped auxiliary groove provides a certain space for the downward movement of the cutting disc 6, preventing the cutting disc 6 from directly contacting the base 1 and avoiding damage to the cutting disc 6.

[0032] Both the front and back of the inner cavity of the side frame 2 are fixed with locking strips, and both the front and back of the auxiliary slide 3 are engaged with the locking strips through locking slots.

[0033] Specifically, by utilizing the sliding connection of the card strip and the card slot, the sliding direction of the auxiliary slide block 3 can be limited, which improves the stability of the auxiliary slide block 3 when it moves and prevents it from easily detaching from the side frame 2.

[0034] The specific usage process is as follows: When it is necessary to replace the cutting disc 6, the user pulls the locking bracket 16 outward, thereby stretching the spring 18 until the three ends of the locking bracket 16 disengage from the docking seat 8 and the cutting disc 6 and move into the blocking plate 13. At this time, the user rotates the locking bracket 16, thereby driving the blocking plate 13, the docking post 14, and the locking rod 15 to rotate synchronously until the locking rod 15 rotates from the arc groove 19 into the strip groove 12. At this time, the user only needs to move the blocking plate 13 outward to move the docking post 14 and the locking rod 15 out from the side of the cutting disc 6, thereby quickly releasing the locking state of the cutting disc 6. At this time, the user can easily remove the cutting disc 6 from the docking seat 8, and then the user can replace the new cutting disc 6. The cutting disc 6 engages with the docking seat 8. At this time, the reinforcing rod 9 is inserted into the corresponding positioning hole 10 to initially position the cutting disc 6. Then, the user pulls the locking frame 16 outward again and stretches the spring 18, causing the three ends of the locking frame 16 to move back into the blocking plate 13. The user then re-inserts the docking post 14 into the fixing hole 11 until one end of the docking post 14 contacts the left side of the inner cavity of the fixing hole 11. At this time, the locking rod 15 can just move to the arc groove 19. The user then rotates the blocking plate 13 or the locking frame 16 to drive the docking post 14 and the locking rod 15 to rotate, and the locking rod 15 rotates into the arc groove 19. At this time, the elastic rebound of the spring 18 can drive the locking frame 16. 6. The cutting disc 6 is reset and then inserted into the docking seat 8. Both the cutting disc 6 and the docking seat 8 have square holes for the locking bracket 16 to be inserted at three ends. At this time, the locking bracket 16 can be used to restrict the position of the docking post 14 and the locking rod 15 to prevent them from moving back, thereby limiting the position of the blocking plate 13. With the docking seat 8, the cutting disc 6 can be quickly assembled. This utility model, through the design of the positioning component, spring 18 and locking bracket 16, can form a locking structure for the blocking plate 13, docking post 14 and locking rod 15, so that when the locking rod 15 rotates into the arc groove 19, it will self-lock to prevent rotation, thereby limiting the position of the blocking plate 13. At this time, an automatic locking mechanism is used. The snap-fit ​​structure allows for quick fixing of the cutting disc 6 to the mating shaft 4, which in turn allows for quick fixing of the cutting disc 6 to the motor 5. The entire assembly process only requires plugging and rotating, without the need for external tools, greatly improving the assembly efficiency of the cutting disc 6. Disassembly is also straightforward, allowing users to quickly replace the cutting disc 6 and avoiding situations where excessive assembly time affects the processing efficiency of the cutting device. The protective cover 17 protects the spring 18, preventing fragments generated during workpiece cutting from directly impacting and damaging the spring 18. It also prevents excessive corrosion of the spring 18 by external moisture, extending the service life of the spring 18 and thus improving the installation stability of the cutting disc 6.The docking seat 8, with its overall T-shaped structure and the diameter difference between its two ends, effectively limits the side of the cutting blade 6, improving its assembly stability. Limiting the number of reinforcing rods 9 increases the overall docking strength of the cutting blade 6, thereby enhancing the overall stability of the cutting device and preventing breakage. The strip-shaped auxiliary groove provides space for the downward movement of the cutting blade 6, preventing direct contact between it and the base 1 and thus avoiding damage. The sliding connection of the locking strip and slot limits the sliding direction of the auxiliary slide 3, improving its stability during movement and preventing it from easily detaching from the side frame 2.

[0035] In summary, this machining cutting device with a quick-change cutting disc, by setting up a positioning component and adopting a snap-fit ​​method with an automatic locking structure, can quickly fix the cutting disc to the docking shaft, thereby quickly fixing the cutting disc to the motor. The entire assembly process only requires plugging and rotating, without the need for external tools, which greatly improves the assembly efficiency of the cutting disc. Furthermore, disassembly can be performed in reverse, making it convenient for users to quickly replace the cutting disc and avoiding situations where the processing efficiency of the cutting device is affected by excessive assembly time.

[0036] The technical features disclosed above are not limited to the combinations of the disclosed features with other features. Those skilled in the art can also make other combinations of the technical features according to the purpose of the utility model in order to achieve the purpose of the utility model.

Claims

1. A machining cutting device with a quick-change cutting disc, comprising a base (1), characterized in that: A side frame (2) is fixed on one side of the top of the base (1). An auxiliary slide (3) is slidably arranged inside the side frame (2). A docking shaft (4) is rotatably installed inside the auxiliary slide (3). A motor (5) with the output shaft end fixed to one end of the docking shaft (4) is fixed on one side of the auxiliary slide (3) by a mounting bracket. A cutting blade (6) is provided at the other end of the docking shaft (4). A cylinder (7) is embedded in the top of the side frame (2). The piston rod of the cylinder (7) is fixed on the auxiliary slide (3). A positioning component for quick assembly of the cutting blade (6) is provided between the docking shaft (4) and the cutting blade (6).

2. The machining cutting device with a quick-change cutting disc according to claim 1, characterized in that: The positioning assembly includes a docking seat (8) fixed to the other end of the docking shaft (4). The cutting blade (6) has an insertion hole (20) for the protruding end of the docking seat (8) to be engaged. The cutting blade (6) has multiple sets of positioning holes (10) evenly distributed. Each set of positioning holes (10) has a reinforcing rod (9) fixed to the docking seat (8) at one end. The right end of the docking seat (8) has a fixing hole (11). A docking post (14) is inserted into the fixing hole (11). One end of the docking post (14) is fixed with a blocking disc (13) on the left side that fits against the right side of the cutting blade (6). 4) Multiple sets of locking rods (15) are evenly fixed along the left and right directions. Multiple sets of strip grooves (12) that cooperate with the locking rods (15) are evenly opened in the fixing hole (11). Each set of strip grooves (12) is provided with an arc groove (19) that allows the locking rods (15) to be inserted and is connected to the fixing hole (11). A locking frame (16) is inserted on the blocking plate (13). The three ends of the left side of the locking frame (16) are all through the cutting plate (6) and inserted into the docking seat (8). A spring (18) is fixed on the right side of the blocking plate (13) and the side wall of the inner cavity of the locking frame (16) that are close to each other.

3. The machining cutting device with a quick-change cutting disc according to claim 2, characterized in that: A protective cover (17) is fixed on the right side of the inner cavity of the locking frame (16) to cover the spring (18), and the left side of the protective cover (17) is attached to the right side of the blocking plate (13).

4. A machining cutting device with a quick-change cutting disc according to claim 2, characterized in that: The docking seat (8) has an overall T-shaped structure, and the diameter of the left side of the docking seat (8) is greater than the diameter of the right side of the docking seat (8).

5. A machining cutting device with a quick-change cutting disc according to claim 2, characterized in that: The number of reinforcing rods (9) on the docking seat (8) is at least three sets.

6. A machining cutting device with a quick-change cutting disc according to claim 1, characterized in that: The base (1) has a strip-shaped auxiliary groove that works in conjunction with the cutting blade (6).

7. A machining cutting device with a quick-change cutting disc according to claim 1, characterized in that: The front and back of the inner cavity of the side frame (2) are fixed with locking strips, and the front and back of the auxiliary slide (3) are engaged with the locking strips through the locking slots.

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