Cutter-replaceable and self-locking cutter

Abstract

The utility model discloses a tool-replaceable and self-locking tool, which belongs to the technical field of wood board processing, and comprises a spindle sleeve connected with a motor spindle of a machine tool power head, and the end part of the spindle sleeve far away from the motor spindle of the machine tool power head is connected with a first R tool; the spindle sleeve is provided with a guide rod; the main shaft sleeve is provided with a position-adjustable middle cutter assembly; the outer wall of the middle cutter assembly is movably connected with a position-adjustable outer cutter assembly; a locking assembly is attached to the outer wall of the outer cutter assembly in a sliding connection mode, the locking assembly is movably connected with the middle cutter assembly and the outer cutter assembly, and the locking assembly is connected with the main shaft sleeve; the locking assembly, the middle cutter assembly and the outer cutter assembly are movably connected with the guide rod; by means of the mode, corresponding adjustment machining can be conveniently carried out according to needs, the functions are rich, the multi-production-specification requirement is met, and actual use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of wood board processing, in particular to a tool with replaceable blades and self-locking function. Background Art

[0002] The need for wood processing and shaping requires a large number of cutting tools. Cutting tools are tools used for cutting in mechanical manufacturing, also known as cutting tools. The vast majority of cutting tools are machine-made, but there are also hand-made ones.

[0003] Chinese patent CN205668308U discloses a cutting mechanism for wood cutting equipment. The cutting mechanism comprises cutting tools positioned on either side of a feed track and a rotary motor driving the cutting tools. The cutting tools are used to cut the sides of the wood within the feed track, forming a tongue and groove along the feed track. This cutting mechanism utilizes the cutting tools to process the sides of the wood, creating tongue and groove along the feed track. This simplifies the processing structure, reduces production costs, and improves processing efficiency.

[0004] However, the above structure is only equipped with one kind of cutting tool, which has a relatively simple function and cannot adapt to the requirements of multiple production specifications.

[0005] Based on this, the present invention designs a tool with replaceable blades and self-locking function to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a tool with replaceable blades and self-locking function.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a tool that can be changed and self-locked, including a spindle sleeve connected to the motor spindle of a machine tool power head:

[0008] The end of the spindle sleeve away from the motor spindle of the machine tool power head is connected with a first R tool;

[0009] The outer wall of the main shaft sleeve is fixedly connected with guide rods at equal intervals along the circumference;

[0010] The outer wall of the main shaft sleeve is movably connected with an intermediate knife assembly with adjustable position;

[0011] The outer wall of the middle knife assembly is movably connected to the outer knife assembly with position adjustment;

[0012] The outer wall of the outer knife assembly is fitted with a locking assembly in a sliding connection. The locking assembly is movably connected to the intermediate knife assembly and the outer knife assembly. The locking assembly is connected to the spindle sleeve. When the locking assembly locks the intermediate knife assembly and the outer knife assembly, the intermediate knife assembly, the outer knife assembly, and the first R knife are flush with the end of the motor spindle away from the machine tool power head, and the intermediate knife assembly, the outer knife assembly, and the first R knife are processed simultaneously; when the locking assembly locks the outer knife assembly and the intermediate knife assembly is in a recovered state, the first R knife and the outer knife assembly are processed; when the locking assembly locks the intermediate knife assembly and the outer knife assembly is recovered and in a recovered state, the first R knife and the intermediate knife assembly are processed, and when the locking assembly is not locked and the outer knife assembly and the intermediate knife assembly are in a recovered state, the first R knife is processed;

[0013] The locking assembly, the middle knife assembly and the outer knife assembly are movably connected to the guide rod;

[0014] The locking assembly is movably connected to the first cylinder, the middle knife assembly is movably connected to the second cylinder, the outer knife assembly is movably connected to the third cylinder, and the first cylinder, the second cylinder and the third cylinder are all connected to the machine tool power head base.

[0015] Furthermore, the intermediate knife assembly includes a second R knife, a second fixing ring, a second R knife connecting cylinder, a second sliding hole and a third sliding groove, the inner wall of the second R knife connecting cylinder is fitted and slidably connected to the outer wall of the spindle sleeve, the end of the second R knife connecting cylinder close to the motor spindle of the machine tool power head is fixedly connected to the second fixing ring, the end of the second R knife connecting cylinder away from the motor spindle of the machine tool power head is fixedly connected to the second R knife, the outer wall of the second R knife connecting cylinder is provided with a third sliding groove along the circumferential direction, and the upper and lower inner walls of the third sliding groove are fitted and slidably connected to the outer wall of the guide rod, and the horizontal length of the third sliding groove is greater than the diameter of the guide rod, the outer wall of the second R knife connecting cylinder is symmetrically provided with second sliding holes, the upper and lower parts of the second R knife connecting cylinder are provided with first sockets, and the second sliding hole and the first socket are movably connected to the locking assembly;

[0016] When the second fixing ring needs to move, the second fixing ring is in contact with the output end of the second cylinder; when the second fixing ring does not need to move, the second fixing ring is not in contact with the output end of the second cylinder.

[0017] Furthermore, the outer knife assembly includes a third R knife, a first fixing ring, a third R knife connecting cylinder, a first sliding hole and a second sliding groove, the inner wall of the third R knife connecting cylinder is fitted and slidably connected to the outer wall of the second R knife connecting cylinder, the end of the third R knife connecting cylinder close to the motor spindle of the machine tool power head is fixedly connected to the first fixing ring, and the outer wall of the second fixing ring is fitted and slidably connected to the inner wall of the first fixing ring, the end of the third R knife connecting cylinder away from the motor spindle of the machine tool power head is fixedly connected to the third R knife, the outer wall of the third R knife connecting cylinder is provided with a second sliding groove along the circumferential direction, and the upper and lower inner walls of the second sliding groove are fitted and slidably connected to the outer wall of the guide rod, the outer wall of the second sliding groove is symmetrically provided with a first sliding hole, the upper and lower ends of the first sliding hole are provided with a second socket, and the second socket and the first sliding hole are movably connected to the locking assembly;

[0018] When the first fixing ring moves, the first fixing ring is in close contact and movably connected with the third cylinder; when the first fixing ring does not need to move, the first fixing ring is not in close contact and movably connected with the third cylinder.

[0019] Furthermore, the processing positions of the first R-knife, the second R-knife and the third R-knife are staggered.

[0020] Furthermore, the transverse length of the second sliding groove is greater than the diameter of the guide rod.

[0021] Furthermore, the locking assembly includes a first slide groove, an outer cylinder, a movable seat, an installation groove, a fixed seat, an insert block, an oblique block, a cover plate, a V-shaped groove, a sliding groove, a first spring, a second spring, a third spring and a transverse groove, the spindle sleeve is fixedly connected to the fixed seat at equal intervals along the circumference, the outer wall of the fixed seat is respectively fitted and slidably connected with the second sliding hole and the first sliding hole, the outer end of the fixed seat is opened with a sliding groove, the insert block is symmetrically fitted and slidably connected in the sliding groove, the insert block is fitted and slidably connected with the first plug hole and the second plug hole, the insert blocks are connected by a compression spring, the outer end of the insert block is connected to the oblique block, and the oblique block is fitted and slidably connected with the sliding groove, the oblique groove of the oblique block is arranged outward in the direction of the motor spindle of the machine tool power head, the fixed seat is fixedly connected with the cover plate at the outer end of the sliding groove, the inner wall of the cover plate is fitted and slidably connected with the outer end of the oblique block, and the outer end of the insert block is respectively fitted and slidably connected with the inner walls of the first sliding hole and the second sliding hole;

[0022] The outer tube is movably connected to the first cylinder;

[0023] The outer wall of the outer cylinder is provided with mounting grooves and first slide grooves at equal intervals along the circumference, and the upper and lower inner walls of the first slide groove are fitted and slidably connected with the outer wall of the guide rod, the two ends of the first spring are fixedly connected with the first slide groove and the outer wall of the guide rod respectively, and the transverse length of the first slide groove is greater than the diameter of the guide rod, the outer end of the movable seat is fixedly installed in the mounting groove, and the end of the movable seat away from the motor spindle of the machine tool power head is provided with a V-shaped groove and a transverse groove, the end of the transverse groove away from the motor spindle of the machine tool power head is communicated with the thin end of the V-shaped groove, the inner wall of the V-shaped groove is fitted and slidably connected with the oblique block, and the side wall of the protruding part of the outer end of the fixed seat is fitted and slidably connected with the inner wall of the transverse groove;

[0024] The end of the second spring close to the motor spindle near the machine tool power head is fixedly connected to the inner wall of the second sliding hole close to the motor spindle near the machine tool power head, and the end of the second spring away from the motor spindle near the machine tool power head is fixedly connected to the inner wall of the fixing base close to the motor spindle near the machine tool power head;

[0025] The end of the third spring close to the motor spindle near the machine tool power head is fixedly connected to the inner wall of the motor spindle near the machine tool power head of the first sliding hole, and the end of the third spring away from the motor spindle near the machine tool power head is fixedly connected to the inner wall of the motor spindle near the machine tool power head of the fixing seat.

[0026] Furthermore, the inner end of the insert block used in conjunction with the second sliding hole is located at the outside of the main shaft sleeve; the inner end of the insert block used in conjunction with the first sliding hole is located at the outside of the second R-knife connecting tube.

[0027] Furthermore, when the plug-in block used in conjunction with the first sliding hole is plugged into the second plug-in hole, the third spring is in a stretched state; when the plug-in block used in conjunction with the second sliding hole is plugged into the first plug-in hole, the second spring is in a stretched state.

[0028] Furthermore, when the oblique block contacts the transverse groove, the oblique block completely moves to the sliding groove, and the inserting block is separated from the first inserting hole and the second inserting hole. Beneficial effects

[0029] The second cylinder of the utility model drives the middle knife assembly to move, the third cylinder drives the outer knife assembly to move, the locking assembly locks the middle knife assembly and the outer knife assembly, the middle knife assembly, the outer knife assembly and the first R knife are aligned away from the end of the motor spindle of the machine tool power head, and the middle knife assembly, the outer knife assembly and the first R knife are processed simultaneously;

[0030] The third cylinder pushes the outer knife assembly to move, the second cylinder does not push the middle knife assembly to move, the locking assembly locks the outer knife assembly, and the middle knife assembly is in a retracted state, and the first R knife and the outer knife assembly are processed;

[0031] The third cylinder does not push the outer knife assembly to move, the second cylinder pushes the middle knife assembly to move, the locking assembly locks the middle knife assembly, and the outer knife assembly is recovered and in the recovery state, and the first R knife and the middle knife assembly are processed;

[0032] The third cylinder does not push the outer knife assembly to move, the second cylinder does not push the middle knife assembly to move, the locking assembly does not lock the outer knife assembly and the middle knife assembly, and the outer knife assembly and the middle knife assembly are both in a recovered state. The first R knife is processed, which is convenient for corresponding adjustment and processing according to needs. It has rich functions, adapts to multiple production specifications, and is convenient for practical use. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be derived from these drawings without inventive effort.

[0034] Figure 1 The utility model is a three-dimensional tool with a replaceable knife and a self-locking knife Figure 1 ;

[0035] Figure 2 This is a front view of a tool with replaceable blades and self-locking function according to the present invention;

[0036] Figure 3 This is an exploded view of a tool with replaceable blades and self-locking function according to the present invention;

[0037] Figure 4 The second R-type blade connecting tube connection structure of the utility model Figure 1 ;

[0038] Figure 5 The second R-type blade connecting tube connection structure of the utility model Figure 2 ;

[0039] Figure 6 This is the third R-type blade connecting tube connection structure of the utility model Figure 1 ;

[0040] Figure 7 This is the third R-type blade connecting tube connection structure of the utility model Figure 2 ;

[0041] Figure 8 This is a structural schematic diagram of the mobile seat of the present utility model.

[0042] The numbers in the figure represent:

[0043] 1. Spindle sleeve 2. First R-type cutter 3. Second R-type cutter 4. Third R-type cutter 5. Guide rod 6. First slide groove 7. Outer cylinder 8. Moving seat 9. Mounting groove 10. First fixing ring 11. Third R-type cutter connecting cylinder 12. First sliding hole 13. Second slide groove 14. Second fixing ring 15. Second R-type cutter connecting cylinder 16. Second sliding hole 17. Third slide groove 18. Fixed seat 19. Insert block 20. Oblique block 21. Cover plate 22. V-shaped groove 23. Sliding groove 24. First socket 25. Second socket 26. First spring 27. Second spring 28. Third spring 29. Horizontal groove 30. First cylinder 31. Second cylinder 32. Third cylinder DETAILED DESCRIPTION

[0044] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0045] The present invention will be further described below with reference to the embodiments. Example 1

[0046] Please refer to the instruction manual Figure 1-8 , a tool that can be changed and self-locked, including a spindle sleeve 1 connected to the motor spindle of a machine tool power head:

[0047] Machine tools are used for wood panel processing.

[0048] The end of the spindle sleeve 1 away from the motor spindle of the machine tool power head is connected to the first R tool 2;

[0049] The outer wall of the main shaft sleeve 1 is fixedly connected with guide rods 5 at equal intervals along the circumferential direction;

[0050] The outer wall of the main shaft sleeve 1 is movably connected to a position-adjustable intermediate knife assembly;

[0051] The outer wall of the middle knife assembly is movably connected to the outer knife assembly with position adjustment;

[0052] The outer wall of the outer knife assembly is fitted with a locking assembly in a sliding connection. The locking assembly is movably connected to the intermediate knife assembly and the outer knife assembly. The locking assembly is connected to the spindle sleeve 1. When the locking assembly locks the intermediate knife assembly and the outer knife assembly, the intermediate knife assembly, the outer knife assembly, and the first R knife 2 are flush with the end of the motor spindle away from the machine tool power head, and the intermediate knife assembly, the outer knife assembly, and the first R knife 2 are processed simultaneously; when the locking assembly locks the outer knife assembly and the intermediate knife assembly is in a recovered state, the first R knife 2 and the outer knife assembly are processed; when the locking assembly locks the intermediate knife assembly and the outer knife assembly is recovered and in a recovered state, the first R knife 2 and the intermediate knife assembly are processed, and when the locking assembly does not lock the outer knife assembly and the intermediate knife assembly and the outer knife assembly and the intermediate knife assembly are in a recovered state, the first R knife 2 is processed;

[0053] The locking assembly, the middle knife assembly and the outer knife assembly are movably connected to the guide rod 5;

[0054] The locking assembly is movably connected to the first cylinder 30, the middle knife assembly is movably connected to the second cylinder 31, the outer knife assembly is movably connected to the third cylinder 32, and the first cylinder 30, the second cylinder 31 and the third cylinder 32 are all connected to the machine tool power head base.

[0055] The second cylinder 31 pushes the middle knife assembly to move, and the third cylinder 32 pushes the outer knife assembly to move. The locking assembly locks the middle knife assembly and the outer knife assembly. The middle knife assembly, the outer knife assembly, and the first R knife 2 are aligned away from the end of the motor spindle of the machine tool power head. The middle knife assembly, the outer knife assembly, and the first R knife 2 are processed simultaneously.

[0056] The third cylinder 32 pushes the outer knife assembly to move, and the second cylinder 31 does not push the middle knife assembly to move. The locking assembly locks the outer knife assembly, and the middle knife assembly is in a retracted state. The first R knife 2 and the outer knife assembly are processed;

[0057] The third cylinder 32 does not push the outer knife assembly to move, the second cylinder 31 pushes the middle knife assembly to move, the locking assembly locks the middle knife assembly, and the outer knife assembly is recovered in the recovery state, and the first R knife 2 and the middle knife assembly are processed;

[0058] The third cylinder 32 does not push the outer knife assembly to move, the second cylinder 31 does not push the middle knife assembly to move, the locking assembly does not lock the outer knife assembly and the middle knife assembly, and the outer knife assembly and the middle knife assembly are both in a retracted state, and the first R knife 2 is processed, which is convenient for corresponding adjustment and processing according to needs, has rich functions, adapts to multiple production specifications, and is convenient for practical use;

[0059] The intermediate knife assembly includes a second R knife 3, a second fixing ring 14, a second R knife connecting cylinder 15, a second sliding hole 16 and a third sliding groove 17. The inner wall of the second R knife connecting cylinder 15 is fitted and slidably connected to the outer wall of the spindle sleeve 1. The end of the second R knife connecting cylinder 15 close to the motor spindle of the machine tool power head is fixedly connected to the second fixing ring 14. The end of the second R knife connecting cylinder 15 away from the motor spindle of the machine tool power head is fixedly connected to the second R knife 3. The outer wall of the second R knife connecting cylinder 15 is provided with a third sliding groove 17 along the circumferential direction, and the upper and lower inner walls of the third sliding groove 17 are fitted and slidably connected to the outer wall of the guide rod 5, and the horizontal length of the third sliding groove 17 is greater than the diameter of the guide rod 5. The outer wall of the second R knife connecting cylinder 15 is symmetrically provided with second sliding holes 16. The upper and lower parts of the second R knife connecting cylinder 15 are provided with first sockets 24, and the second sliding hole 16 and the first socket 24 are movably connected to the locking assembly;

[0060] When the second fixing ring 14 moves, the second fixing ring 14 is in close contact with the second cylinder 31 and is movably connected thereto. When the first fixing ring 10 does not need to move, the second fixing ring 14 is not in close contact with the second cylinder 31 and is movably connected thereto.

[0061] The outer knife assembly includes a third R knife 4, a first fixing ring 10, a third R knife connecting cylinder 11, a first sliding hole 12 and a second sliding groove 13, the inner wall of the third R knife connecting cylinder 11 is fitted and slidably connected to the outer wall of the second R knife connecting cylinder 15, the end of the third R knife connecting cylinder 11 close to the motor spindle of the machine tool power head is fixedly connected to the first fixing ring 10, and the outer wall of the second fixing ring 14 is fitted and slidably connected to the inner wall of the first fixing ring 10, the end of the third R knife connecting cylinder 11 away from the motor spindle of the machine tool power head is fixedly connected to the third R knife 4, the outer wall of the third R knife connecting cylinder 11 is provided with a second sliding groove 13 along the circumferential direction, and the upper and lower inner walls of the second sliding groove 13 are fitted and slidably connected to the outer wall of the guide rod 5, and the horizontal length of the second sliding groove 13 is greater than the diameter of the guide rod 5, the outer wall of the second sliding groove 13 is symmetrically provided with a first sliding hole 12, and the upper and lower ends of the first sliding hole 12 are provided with a second socket 25, and the second socket 25 and the first sliding hole 12 are movably connected to the locking assembly;

[0062] When the first fixing ring 10 moves, the first fixing ring 10 is in close contact with and movably connected to the third cylinder 32. When the first fixing ring 10 does not need to move, the first fixing ring 10 is not in close contact with and movably connected to the third cylinder 32.

[0063] The processing parts of the first R-knife 2, the second R-knife 3 and the third R-knife 4 are staggered;

[0064] The locking assembly includes a first slide groove 6, an outer cylinder 7, a movable seat 8, a mounting groove 9, a fixed seat 18, an insert 19, an oblique block 20, a cover plate 21, a V-shaped groove 22, a sliding groove 23, a first spring 26, a second spring 27, a third spring 28 and a transverse groove 29. The spindle sleeve 1 is fixedly connected with the fixed seat 18 at equal intervals along the circumference. The outer wall of the fixed seat 18 is respectively fitted and slidably connected with the second sliding hole 16 and the first sliding hole 12. A sliding groove 23 is opened at the outer end of the fixed seat 18, and the insert 19 is symmetrically fitted and slidably connected in the sliding groove 23. , the plug block 19 is fitted and slidably connected with the first socket 24 and the second socket 25, and the plug blocks 19 are connected by a compression spring. The outer end of the plug block 19 is connected with an oblique block 20, and the oblique block 20 is fitted and slidably connected with the sliding groove 23. The oblique groove of the oblique block 20 is arranged outward in the direction of the motor spindle of the machine tool power head. The fixed seat 18 is fixedly connected with a cover plate 21 at the outer end of the sliding groove 23. The inner wall of the cover plate 21 is fitted and slidably connected with the outer end of the oblique block 20, and the outer end of the plug block 19 is fitted and slidably connected with the inner walls of the first sliding hole 12 and the second sliding hole 16 respectively;

[0065] The outer wall of the outer cylinder 7 is provided with mounting grooves 9 and first slide grooves 6 at equal intervals along the circumferential direction, and the upper and lower inner walls of the first slide groove 6 are fitted and slidably connected with the outer wall of the guide rod 5. The two ends of the first spring 26 are fixedly connected with the first slide groove 6 and the outer wall of the guide rod 5 respectively, and the transverse length of the first slide groove 6 is greater than the diameter of the guide rod 5. The outer end of the movable seat 8 is fixedly installed in the mounting groove 9. The end of the motor spindle of the movable seat 8 away from the machine tool power head is provided with a V-shaped groove 22 and a transverse groove 29. The end of the motor spindle of the transverse groove 29 away from the machine tool power head is communicated with the thin end of the V-shaped groove 22. The inner wall of the V-shaped groove 22 is fitted and slidably connected with the oblique block 20, and the side wall of the protruding part of the outer end of the fixed seat 18 is fitted and slidably connected with the inner wall of the transverse groove 29;

[0066] The end of the second spring 27 close to the motor spindle of the machine tool power head is fixedly connected to the inner wall of the second slide hole 16 close to the motor spindle of the machine tool power head, and the end of the second spring 27 away from the motor spindle of the machine tool power head is fixedly connected to the inner wall of the fixing seat 18 close to the motor spindle of the machine tool power head;

[0067] The end of the third spring 28 close to the motor spindle near the machine tool power head is fixedly connected to the inner wall of the motor spindle near the machine tool power head of the first slide hole 12, and the end of the third spring 28 away from the motor spindle near the machine tool power head is fixedly connected to the inner wall of the motor spindle near the machine tool power head of the fixed seat 18.

[0068] The number of groups of the third springs 28 and the second springs 27 are both even, and the third springs 28 and the second springs 27 are arranged alternately;

[0069] The inner end of the insert block 19 used in conjunction with the second sliding hole 16 is located outside the main shaft sleeve 1 ; the inner end of the insert block 19 used in conjunction with the first sliding hole 12 is located outside the second R-blade connecting tube 15 .

[0070] When the insert block 19 used in conjunction with the first sliding hole 12 is plugged into the second plug hole 25 , the third spring 28 is in a stretched state; when the insert block 19 used in conjunction with the second sliding hole 16 is plugged into the first plug hole 24 , the second spring 27 is in a stretched state.

[0071] When the oblique block 20 contacts the transverse groove 29 , the oblique block 20 completely moves to the sliding groove 23 , and the inserting block 19 is separated from the first inserting hole 24 and the second inserting hole 25 .

[0072] When the outer tube 7 moves, the outer tube 7 is closely connected to the output end of the first cylinder 30. When the outer tube 7 does not need to move, the outer tube 7 is not closely connected to the output end of the first cylinder 30.

[0073] The output end of the first cylinder 30 does not contact the outer cylinder 7 of the locking assembly. The first spring 26 pushes the outer cylinder 7 to move toward the motor spindle of the machine tool power head. The outer cylinder 7 drives the movable seat 8 to move toward the motor spindle of the machine tool power head. When the movable seat 8 drives the V-shaped groove 22 to move to the outside of the oblique block 20, the compression spring between the insert block 19 drives the insert block 19 to be in an active state.

[0074] The output end of the first cylinder 30 contacts the outer cylinder 7 of the locking assembly, and the first cylinder 30 pushes the outer cylinder 7 of the locking assembly to move away from the motor spindle of the machine tool power head. The outer cylinder 7 drives the moving seat 8 to move, and the moving seat 8 drives the V-shaped groove 22 and the transverse groove 29 to move. The V-shaped groove 22 moves the oblique block 20 completely into the sliding groove 23, and the oblique block 20 drives the plug block 19 to move completely into the sliding groove 23. The plug block 19 is separated from the first socket 24 and the second socket 25. The restoring force of the second spring 27 pushes the second fixed ring 14 to move toward the motor spindle of the machine tool power head. The restoring force of the third spring 28 pushes the third R-tool connecting cylinder 11 to move toward the motor spindle of the machine tool power head. The fixed seat 18 The second slide hole 16 and the first slide hole 12 are located at the end of the motor spindle away from the machine tool power head, driving the second R knife 3 and the third R knife 4 to move toward the motor spindle direction of the machine tool power head, and the first R knife 2 is located outside the end of the second R knife 3 and the third R knife 4 away from the motor spindle of the machine tool power head. At this time, the third cylinder 32 does not push the outer knife assembly to move, the second cylinder 31 does not push the middle knife assembly to move, the fixing seat 18 of the locking assembly does not lock the outer knife assembly and the middle knife assembly, the third R knife 4 of the outer knife assembly and the second R knife 3 of the middle knife assembly are both in a recovered state, the motor spindle of the machine tool power head drives the spindle sleeve 1 to rotate, and the spindle sleeve 1 drives the first R knife 2 to perform processing;

[0075] The output end of the first cylinder 30 does not contact the outer cylinder 7 of the locking assembly. The first spring 26 pushes the outer cylinder 7 to move toward the motor spindle of the machine tool power head. The outer cylinder 7 drives the moving seat 8 to move toward the motor spindle of the machine tool power head. When the moving seat 8 drives the V-shaped groove 22 to move to the outside of the oblique block 20, the compression spring between the plug blocks 19 drives the plug blocks 19 to be in an active state. The output end of the second cylinder 31 moves to contact the second fixing ring 14 of the intermediate knife assembly, pushing the second fixing ring 14 of the intermediate knife assembly to move. The second fixing ring 14 drives the second R knife connecting cylinder 15 to move. The second R knife connecting cylinder 15 drives the second R knife 3 to move away from the motor spindle of the machine tool power head. The second R knife 3 moves to be flush with the first R knife 2. The first socket 24 is opposite to the plug block 19. The restoring force of the compression spring between the plug blocks 19 drives the plug block 19 to move outward into the first socket 24. The third cylinder 32 pushes the first fixing ring 14 of the outer knife assembly The fixed ring 10 moves in the direction of the motor spindle away from the machine tool power head, and the first fixed ring 10 drives the third R-cut tool connecting cylinder 11 to move in the direction of the motor spindle away from the machine tool power head. The third R-cut tool connecting cylinder 11 drives the third R-cut tool 4 to move in the direction of the motor spindle away from the machine tool power head. The third R-cut tool 4 moves until it is flush with the first R-cut tool 2. The second socket 25 is opposite to the plug block 19. The restoring force of the compression spring between the plug blocks 19 drives the plug blocks 19 to move outward into the second socket 25. The plug block 19, the first socket 24 and the second socket 25 cooperate to lock the second R-cut tool 3 of the intermediate knife assembly and the third R-cut tool 4 of the outer knife assembly. The second R-cut tool 3 of the intermediate knife assembly, the third R-cut tool 4 of the outer knife assembly, and the first R-cut tool 2 are flush away from the end of the motor spindle of the machine tool power head. The motor spindle of the machine tool power head drives the spindle sleeve 1 to rotate, and the second R-cut tool 3 of the intermediate knife assembly, the third R-cut tool 4 of the outer knife assembly, and the first R-cut tool 2 rotate to perform simultaneous processing;

[0076] The output end of the first cylinder 30 does not contact the outer cylinder 7 of the locking assembly. The first spring 26 pushes the outer cylinder 7 to move toward the motor spindle of the machine tool power head. The outer cylinder 7 drives the moving seat 8 to move toward the motor spindle of the machine tool power head. When the moving seat 8 drives the V-shaped groove 22 to move to the outside of the oblique block 20, the compression spring between the plug-in block 19 drives the plug-in block 19 to be in an active state. The third cylinder 32 pushes the first fixing ring 10 of the outer knife assembly to move away from the motor spindle of the machine tool power head. The first fixing ring 10 drives the third R knife connecting cylinder 1 1 moves in the direction of the motor spindle away from the machine tool power head, the third R knife connecting cylinder 11 drives the third R knife 4 to move in the direction of the motor spindle away from the machine tool power head, the third R knife 4 moves until it is flush with the first R knife 2, the second socket 25 is opposite to the plug block 19, and the compression spring restoring force between the plug block 19 drives the plug block 19 to move outward into the second socket 25, and the plug block 19 and the second socket 25 cooperate to lock the third R knife 4 of the outer knife assembly, and the third R knife 4 of the outer knife assembly and the first R knife 2 are flush with the end of the motor spindle away from the machine tool power head. The second cylinder 31 does not push the intermediate knife assembly to move, and the restoring force of the second spring 27 enables the second R knife 3 to move in the direction of the motor spindle of the machine tool power head. The locking assembly locks the third R knife 4 of the outer knife assembly, and the second R knife 3 of the intermediate knife assembly is in a retracted state. The motor spindle of the machine tool power head drives the spindle sleeve 1 to rotate, and the first R knife 2 and the third R knife 4 of the outer knife assembly are processed;

[0077] The output end of the first cylinder 30 does not contact the outer cylinder 7 of the locking assembly, the first spring 26 pushes the outer cylinder 7 to move toward the motor spindle of the machine tool power head, the outer cylinder 7 drives the moving seat 8 to move toward the motor spindle of the machine tool power head, when the moving seat 8 drives the V-shaped groove 22 to move to the outside of the oblique block 20, the compression spring between the insert blocks 19 drives the insert blocks 19 to be in an active state, the output end of the second cylinder 31 moves to contact the second fixing ring 14 of the intermediate knife assembly, pushes the second fixing ring 14 of the intermediate knife assembly to move, the second fixing ring 14 drives the second R knife connecting cylinder 15 to move, the second R knife connecting cylinder 15 drives the second R knife 3 to move away from the motor spindle of the machine tool power head, and the second R knife 3 moves to the first R The knife 2 is flush, the first socket 24 is opposite to the plug block 19, and the compression spring restoring force between the plug blocks 19 drives the plug block 19 to move outward into the first socket 24. The plug block 19 and the first socket 24 cooperate to lock the second R knife 3 of the intermediate knife assembly. The driving end of the third cylinder 32 does not contact the first fixing ring 10 of the outer knife assembly. The restoring force of the third spring 28 enables the third R knife 4 to move toward the motor spindle direction of the machine tool power head. The second R knife 3 and the first R knife 2 of the intermediate knife assembly are flush away from the end of the motor spindle of the machine tool power head, and the first fixing ring 10 of the outer knife assembly is in a recovered state. The motor spindle of the machine tool power head drives the spindle sleeve 1 to rotate, and the second R knife 3 and the first R knife 2 of the intermediate knife assembly rotate to perform simultaneous processing;

[0078] It is convenient to adjust the processing according to the needs, has rich functions, adapts to multiple production specifications, and is easy to use in practice.

[0079] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A tool that can be changed and is self-locking, comprising a spindle sleeve (1) connected to a motor spindle of a machine tool power head, characterized in that: The end of the spindle sleeve (1) away from the motor spindle of the machine tool power head is connected to a first R-type cutter (2); The outer wall of the main shaft sleeve (1) is fixedly connected with guide rods (5) at equal intervals along the circumferential direction; The outer wall of the main shaft sleeve (1) is movably connected to a position-adjustable intermediate knife assembly; The outer wall of the middle knife assembly is movably connected to the outer knife assembly with position adjustment; The outer wall of the outer knife assembly is fitted with a locking assembly in a sliding connection. The locking assembly is movably connected to the intermediate knife assembly and the outer knife assembly. The locking assembly is connected to the spindle sleeve (1). When the locking assembly locks the intermediate knife assembly and the outer knife assembly, the intermediate knife assembly, the outer knife assembly, and the first R knife (2) are flush with the end of the motor spindle away from the machine tool power head. The intermediate knife assembly, the outer knife assembly, and the first R knife (2) are processed simultaneously. When the locking assembly locks the outer knife assembly and the intermediate knife assembly is in a recycle state, the first R knife (2) and the outer knife assembly are processed. When the locking assembly locks the intermediate knife assembly and the outer knife assembly is in a recycle state, the first R knife (2) and the intermediate knife assembly are processed. When the locking assembly does not lock the outer knife assembly and the intermediate knife assembly and the outer knife assembly and the intermediate knife assembly are in a recycle state, the first R knife (2) is processed. The locking assembly, the middle knife assembly and the outer knife assembly are movably connected to the guide rod (5); The locking assembly is movably connected to the first cylinder (30), the middle knife assembly is movably connected to the second cylinder (31), the outer knife assembly is movably connected to the third cylinder (32), and the first cylinder (30), the second cylinder (31) and the third cylinder (32) are all connected to the machine tool power head base.

2. The tool with replaceable blade and self-locking function according to claim 1, characterized in that: The intermediate knife assembly comprises a second R knife (3), a second fixed ring (14), a second R knife connecting cylinder (15), a second sliding hole (16) and a third sliding groove (17). The inner wall of the second R knife connecting cylinder (15) is fitted and slidably connected to the outer wall of the spindle sleeve (1). The end of the second R knife connecting cylinder (15) close to the motor spindle of the machine tool power head is fixedly connected to the second fixed ring (14). The end of the second R knife connecting cylinder (15) away from the motor spindle of the machine tool power head is fixedly connected to the second R knife (3). The outer wall of the second R-knife connecting cylinder (15) is provided with a third sliding groove (17) along the circumferential direction, and the upper and lower inner walls of the third sliding groove (17) are slidably connected to the outer wall of the guide rod (5), and the transverse length of the third sliding groove (17) is greater than the diameter of the guide rod (5). The outer wall of the second R-knife connecting cylinder (15) is symmetrically provided with a second sliding hole (16), and the upper and lower parts of the second R-knife connecting cylinder (15) are provided with a first plug hole (24), and the second sliding hole (16) and the first plug hole (24) are movably connected to the locking component; When the second fixing ring (14) needs to move, the second fixing ring (14) is in contact with the output end of the second cylinder (31); when the second fixing ring (14) does not need to move, the second fixing ring (14) is not in contact with the output end of the second cylinder (31).

3. The tool with replaceable blade and self-locking function according to claim 2, characterized in that: The outer knife assembly comprises a third R knife (4), a first fixed ring (10), a third R knife connecting cylinder (11), a first sliding hole (12) and a second sliding groove (13), wherein the inner wall of the third R knife connecting cylinder (11) is fitted and slidably connected to the outer wall of the second R knife connecting cylinder (15), the end of the third R knife connecting cylinder (11) close to the motor spindle of the machine tool power head is fixedly connected to the first fixed ring (10), and the outer wall of the second fixed ring (14) is fitted and slidably connected to the inner wall of the first fixed ring (10), and the third R knife connecting cylinder (11) is fitted and slidably connected to the inner wall of the first fixed ring (10). The end of the cylinder (11) away from the motor spindle of the machine tool power head is fixedly connected to the third R-type cutter (4), the outer wall of the third R-type cutter connecting cylinder (11) is provided with a second slide groove (13) along the circumferential direction, and the upper and lower inner walls of the second slide groove (13) are slidably connected to the outer wall of the guide rod (5), the outer wall of the second slide groove (13) is symmetrically provided with a first slide hole (12), the upper and lower ends of the first slide hole (12) are provided with a second plug hole (25), and the second plug hole (25) and the first slide hole (12) are movably connected to the locking component; When the first fixing ring (10) moves, the first fixing ring (10) and the third cylinder (32) are in close contact and movably connected; when the first fixing ring (10) does not need to move, the first fixing ring (10) and the third cylinder (32) are not in close contact and movably connected.

4. The tool with replaceable blade and self-locking function according to claim 3, characterized in that: The processing positions of the first R-type cutter (2), the second R-type cutter (3) and the third R-type cutter (4) are staggered.

5. The tool with replaceable blade and self-locking function according to claim 4, characterized in that: The transverse length of the second sliding groove (13) is greater than the diameter of the guide rod (5).

6. The tool with replaceable blade and self-locking function according to claim 5, characterized in that: The locking assembly includes a first slide groove (6), an outer cylinder (7), a movable seat (8), an installation groove (9), a fixed seat (18), an insert block (19), an oblique block (20), a cover plate (21), a V-shaped groove (22), a sliding groove (23), a first spring (26), a second spring (27), a third spring (28) and a transverse groove (29). The spindle sleeve (1) is fixedly connected with the fixed seat (18) at equal intervals along the circumferential direction. The outer wall of the fixed seat (18) is respectively fitted and slidably connected with the second slide hole (16) and the first slide hole (12). The outer end of the fixed seat (18) is provided with a sliding groove (23). The inner side of the sliding groove (23) is symmetrically fitted and slidably connected with the second slide hole (16) and the first slide hole (12). An insert block (19), the insert block (19) is fitted and slidably connected to the first jack (24) and the second jack (25), the insert blocks (19) are connected to each other by a compression spring, the outer end of the insert block (19) is connected to an oblique block (20), and the oblique block (20) is fitted and slidably connected to the sliding groove (23), the oblique groove of the oblique block (20) is arranged outward in the direction of the motor spindle of the machine tool power head, the fixed seat (18) is fixedly connected to a cover plate (21) at the outer end of the sliding groove (23), the inner wall of the cover plate (21) is fitted and slidably connected to the outer end of the oblique block (20), and the outer end of the insert block (19) is fitted and slidably connected to the inner walls of the first sliding hole (12) and the second sliding hole (16); When the outer cylinder (7) moves, the outer cylinder (7) is closely connected to the output end of the first cylinder (30); when the outer cylinder (7) does not need to move, the outer cylinder (7) is not closely connected to the output end of the first cylinder (30); The outer wall of the outer cylinder (7) is provided with mounting grooves (9) and first slide grooves (6) at equal intervals along the circumference, and the upper and lower inner walls of the first slide groove (6) are fitted and slidably connected to the outer wall of the guide rod (5), and the two ends of the first spring (26) are fixedly connected to the first slide groove (6) and the outer wall of the guide rod (5), and the transverse length of the first slide groove (6) is greater than the diameter of the guide rod (5). The outer end of the movable seat (8) is fixedly installed in the mounting groove (9), and the end of the motor spindle of the movable seat (8) away from the machine tool power head is provided with a V-shaped groove (22) and a transverse groove (29), and the end of the motor spindle of the transverse groove (29) away from the machine tool power head is communicated with the thin end of the V-shaped groove (22), the inner wall of the V-shaped groove (22) is fitted and slidably connected to the oblique block (20), and the side wall of the protruding portion of the outer end of the fixed seat (18) is fitted and slidably connected to the inner wall of the transverse groove (29); The end of the second spring (27) close to the motor spindle near the machine tool power head is fixedly connected to the inner wall of the second sliding hole (16) close to the motor spindle near the machine tool power head, and the end of the second spring (27) away from the motor spindle near the machine tool power head is fixedly connected to the inner wall of the fixing seat (18) close to the motor spindle near the machine tool power head; The end of the third spring (28) close to the motor spindle near the machine tool power head is fixedly connected to the inner wall of the first sliding hole (12) close to the motor spindle near the machine tool power head, and the end of the third spring (28) away from the motor spindle near the machine tool power head is fixedly connected to the inner wall of the fixing seat (18) close to the motor spindle near the machine tool power head.

7. The tool with replaceable blade and self-locking function according to claim 6, characterized in that: The inner end of the insert block (19) used in conjunction with the second sliding hole (16) is located outside the main shaft sleeve (1); the inner end of the insert block (19) used in conjunction with the first sliding hole (12) is located outside the second R-knife connecting tube (15).

8. The tool with replaceable blade and self-locking function according to claim 7, characterized in that: When the plug block (19) used in conjunction with the first sliding hole (12) is plugged into the second plug hole (25), the third spring (28) is in a stretched state; when the plug block (19) used in conjunction with the second sliding hole (16) is plugged into the first plug hole (24), the second spring (27) is in a stretched state.

9. The tool with replaceable blade and self-locking function according to claim 7, characterized in that: When the oblique block (20) contacts the transverse groove (29), the oblique block (20) completely moves to the sliding groove (23), and the inserting block (19) is separated from the first inserting hole (24) and the second inserting hole (25).

Images