CN114571559B - Combined woodworking milling cutter and processing technology thereof - Google Patents
Combined woodworking milling cutter and processing technology thereof Download PDFInfo
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- CN114571559B CN114571559B CN202210303210.2A CN202210303210A CN114571559B CN 114571559 B CN114571559 B CN 114571559B CN 202210303210 A CN202210303210 A CN 202210303210A CN 114571559 B CN114571559 B CN 114571559B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G13/00—Cutter blocks; Other rotary cutting tools
- B27G13/02—Cutter blocks; Other rotary cutting tools in the shape of long arbors, i.e. cylinder cutting blocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
- B23P15/34—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools milling cutters
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- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Milling, Drilling, And Turning Of Wood (AREA)
Abstract
The application relates to the technical field of woodworking milling cutters, and discloses a combined woodworking milling cutter and a processing technology thereof, wherein the combined woodworking milling cutter comprises a cutter bar, a first cutter head, a second cutter head and a third cutter head are sleeved outside the cutter bar, a first locking structure for connecting the first cutter head and the second cutter head is arranged between the first cutter head and the second cutter head, a second locking structure for connecting the third cutter head and the second cutter head is arranged between the third cutter head and the second cutter head, the first cutter head comprises a first cutter body, and the second cutter head comprises a second cutter body; first locking structure is including setting up the operating ring on first cutter body, be provided with the operation piece on the outer periphery of operating ring, the terminal surface of second cutter body towards first cutter body is seted up the second circular slot that supplies the operating ring embedding and is supplied the first operation groove of operation piece embedding, set up the second operation groove that supplies first operation piece embedding on the side inner wall in first operation groove, be provided with the spacing subassembly of axial and the spacing subassembly of circumference of restriction first cutter body motion on the cutter arbor, this application has the effect that improves milling cutter efficiency when adding man-hour.
Description
Technical Field
The application relates to the technical field of woodworking milling cutters, in particular to a combined woodworking milling cutter and a machining process thereof.
Background
Currently, wood milling cutters are one type of milling cutter used to machine wood into a desired shape and size.
The milling cutter in the related art comprises a cutter bar, wherein a cutter head is arranged on the cutter bar, and a blade is arranged on the cutter head.
In view of the above-mentioned related technologies, the inventor believes that the shape of the blade on the existing milling cutter is single, and when different grains are processed on wood, different milling cutters are needed for processing, so that the operation is complex, and time and labor are wasted.
Disclosure of Invention
In order to improve the mechanism efficiency of the milling cutter in use, the application provides a combined woodworking milling cutter and a processing technology thereof.
The application provides a combination woodworking milling cutter and processing technology thereof adopts following technical scheme:
a combined woodworking milling cutter and a processing technology thereof comprise a cutter bar, wherein a first cutter head, a second cutter head and a third cutter head are sleeved outside the cutter bar, a first locking structure for connecting the first cutter head and the second cutter head is arranged between the first cutter head and the second cutter head, a second locking structure for connecting the third cutter head and the second cutter head is arranged between the third cutter head and the second cutter head, the first cutter head comprises a first cutter body, and the second cutter head comprises a second cutter body; first locking structure is including setting up the handle ring on first cutter body, be provided with the operation piece on the outer periphery of handle ring, the second circular slot that supplies the handle ring embedding and the first operation groove that supplies the operation piece embedding are seted up towards the terminal surface of first cutter body to the second cutter body, set up the second operation groove that supplies the embedding of first operation piece on the side inner wall in first operation groove, be provided with the spacing subassembly of first cutter body of restriction along cutter arbor axial motion's axial and the spacing subassembly of the circumference of restriction first cutter body along cutter arbor circumferential motion's circumference on the cutter arbor.
By adopting the technical scheme, when the first tool bit and the second tool bit are connected, the first operation block is embedded into the first operation groove until the first operation block is aligned with the second operation groove, and then the tool bar is rotated to further embed the first operation block into the second operation groove, so that the first tool bit is connected with the second tool bit; otherwise, separating the first cutter head from the second cutter head; when the milling cutter is used for processing, various different or same grains can be processed on wood at the same time, and the processing efficiency of the milling cutter is improved.
Optionally, the first cutter body has been offered towards the second cutter body terminal surface and has been the annular mounting groove of circle, the handle ring slides and sets up in the mounting groove, the operation piece is located outside the mounting groove, the diapire fixedly connected with first spring of mounting groove, the other end and the handle ring fixed connection of first spring, first spring is in tensile state.
By adopting the technical scheme, the first spring is arranged to connect the first cutter body and the operating ring, so that the first cutter body and the operating ring are not easy to separate; according to the distance from the junction of the first operation groove and the second operation groove on the second cutter body to the end face, close to the first cutter body, of the second cutter body, the operation ring is pulled to enable the operation block to move, the operation block passes through the first operation groove and is embedded into the second operation groove, and the second cutter body is connected with the first cutter body; the first spring is arranged, after the operating ring is pulled, the first spring is stretched, and the first spring can drive the operating ring to reset.
Optionally, the axial limiting assembly includes a clamping block disposed on the circumferential surface of the cutter bar, a first clamping groove for embedding the clamping block is disposed on the end surface of the first cutter body away from the second cutter head, and a second clamping groove for embedding the clamping block is disposed on the side wall of the first clamping groove.
By adopting the technical scheme, when the first cutter head is arranged on the cutter bar, the first cutter head is sleeved outside the cutter bar, the clamping block is embedded into the first clamping groove, and then the clamping block is aligned with the first clamping groove and then slides into the second clamping groove, so that the first cutter head cannot move along the axis direction of the cutter bar, and the first cutter head is not separated from the cutter bar easily.
Optionally, the second operation grooves are all spiral.
By adopting the technical scheme, when the operation block is positioned in the second operation groove and the second cutter body is rotated, the operation block moves in the second operation groove, so that the operation block can move, the first cutter head can be matched with cutter heads with different sizes, and the distance between the two cutter heads can be adjusted.
Optionally, the circumferential limiting assembly comprises a second fixing strip arranged on the cutter bar, a first fixing hole for the second fixing strip to pass through is formed in the first cutter body, the first fixing hole is communicated with the second operation groove, and a second fixing hole for the second fixing strip to pass through is formed in the operation ring.
By adopting the technical scheme, the second fixing strip is inserted into the first fixing hole, so that the first cutter body and the cutter bar cannot rotate relatively, and meanwhile, the second fixing strip is inserted into the second fixing hole, so that the operating ring and the cutter bar cannot rotate relatively; the wood is cut smoothly by the first cutter body when the cutter rod is used.
Optionally, there is first fixed slot on the periphery of cutter arbor, first fixed slot runs through towards the tip of cutter arbor, the cross-section of first fixed slot is trapezoidal or T type, the spacing subassembly of circumference still includes the second fixed strip that sets up in first fixed slot, be provided with first fixed strip in the first fixed slot, the second fixed strip sets up on the terminal surface that the cutter arbor axis was kept away from to first fixed strip.
Through adopting above-mentioned technical scheme, with the equal trapezoidal type in cross-section or the T type of first fixed slot and first fixed strip, make first fixed strip install in the first fixed slot after, make first fixed strip be difficult for moving along the radial direction of cutter arbor, make first fixed strip be difficult for separating with the cutter arbor.
Optionally, the first fixing hole and the second fixing hole are provided with a plurality of fixing holes, the first fixing hole and the second fixing hole are the same in number and are aligned, the first fixing hole is distributed along the axis array of the cutter bar, and the second fixing hole is distributed along the axis array of the cutter bar.
Through adopting above-mentioned technical scheme, set up a plurality of first fixed orificess and second fixed orifices, and first fixed orificess aligns with the second fixed orifices, and when the operation piece slides the in-process in the second operation groove, first fixed slot can be aligned with one or more first fixed orifices and has been crossed, makes the staff can select the second fixed strip to cooperate with suitable first fixed orifices, second fixed orifices.
Optionally, a positioning ring groove is formed in the outer circumferential surface of the cutter bar, an arc-shaped groove is formed in one end, away from the axis of the cutter bar, of the first fixing strip, the positioning ring groove is communicated with the arc-shaped groove, the inner diameter of the positioning ring groove is the same as that of the arc-shaped groove, a clamping ring is arranged in the positioning ring groove, and a part of the clamping ring is embedded into the arc-shaped groove.
Through adopting above-mentioned technical scheme, when the snap ring was embedded into positioning ring groove and arc wall simultaneously, be connected first fixed strip and cutter arbor, made first fixed strip and the difficult separation of cutter arbor.
Optionally, be provided with on the cutter arbor and keep off the material structure, be provided with the ring on the outer periphery of cutter arbor, the ring is provided with the second spring towards the terminal surface of first tool bit, the second spring is in compression state, the terminal surface that the ring was kept away from to the second spring is provided with first spacing ring, first spacing ring is kept away from the spring and is provided with the second spacing ring, the external diameter of second spacing ring is the same with the internal diameter of first circular slot, be provided with the stopper that can imbed in the first draw-in groove on the outer periphery of second spacing ring.
Through adopting above-mentioned technical scheme, the second spacing ring is embedded into first circular slot, and the stopper is embedded into first draw-in groove, and is sealed to first circular slot and first draw-in groove, prevents that the foreign matter from entering into in first circular slot and the first draw-in groove.
A processing technology of a combined woodworking milling cutter comprises the following steps:
step one, sleeving a first cutter head on a cutter rod;
sleeving a second tool bit on the tool bar, so that the first tool bit is connected with the second tool bit through a first locking structure;
sleeving a third tool bit on the tool bar, so that the second tool bit is connected with the third tool bit through a second locking structure;
and step four, inserting the first fixing strip into the first fixing groove, enabling the second fixing strip to sequentially pass through the third tool bit, the second tool bit and the first tool bit, and connecting the first fixing strip with the tool bar through the clamping ring.
By adopting the technical scheme, the first cutter head, the second cutter head and the third cutter head are arranged on the cutter bar one by one, the first cutter head and the second cutter head are connected through the first locking structure, and the third cutter head and the first cutter head are connected through the second locking structure, so that the milling cutter is rapidly assembled.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the first tool bit and the second tool bit are connected, the first operation block is embedded into the first operation groove until the first operation block is aligned with the second operation groove, and then the cutter bar is rotated to further embed the first operation block into the second operation groove, so that the first tool bit is connected with the second tool bit; otherwise, separating the first cutter head from the second cutter head; when the milling cutter is used for processing, various different or same grains can be processed on wood at the same time, so that the processing efficiency of the milling cutter is improved;
2. the operating ring can slide relative to the first cutter body, and the distance between the operating block and the first cutter body can be adjusted, so that the first cutter body can be connected and matched with different cutter heads.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is an exploded view highlighting the first and second cutting heads;
FIG. 3 is a schematic view showing the connection relationship between the cutter bar and the first fixing bar;
FIG. 4 isbase:Sub>A partial cross-sectional view taken along line A-A of FIG. 1;
fig. 5 is an exploded view highlighting the first locking structure.
Reference numerals: 1. a cutter bar; 11. a clamping block; 12. a first fixing groove; 13. a first fixing strip; 131. a second fixing strip; 132. an arc-shaped slot; 14. a positioning ring groove; 15. a snap ring; 2. a first cutter head; 21. a first cutter body; 22. a first blade; 211. a first circular groove; 212. a first circular hole; 213. a first card slot; 214. a second card slot; 215. mounting grooves; 216. a chute; 217. a first fixing hole; 3. a second cutter head; 31. a second blade body; 311. a second circular groove; 312. a second circular hole; 313. a first operation slot; 314. a second operation slot; 32. a second blade; 4. a third cutter head; 41. a third blade body; 42. a third blade; 5. a first locking structure; 51. an operating ring; 511. a slider; 512. a second fixing hole; 52. an operation block; 53. a first spring; 6. a second locking structure; 7. a material blocking structure; 71. a circular ring; 72. a second spring; 73. a first limit ring; 74. a second stop collar; 75. and a limiting block.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment discloses a combined woodworking milling cutter and a machining process thereof. Referring to fig. 1, a combined woodworking milling cutter comprises a cutter bar 1, wherein a first cutter head 2, a second cutter head 3 and a third cutter head 4 are sequentially sleeved on the cutter bar 1, the first cutter head 2 comprises a first cutter body 21 and a first cutter blade 22, the first cutter blade 22 is provided with a plurality of first cutter blades 22, and the plurality of first cutter blades 22 are distributed along the axis circumference array of the first cutter body 21.
Referring to fig. 2, the end of the first cutter 21 is formed with a first circular groove 211, the inner wall of the first circular groove 211 is formed with a first circular hole 212, the inner diameter of the first circular hole 212 is the same as the outer diameter of the cutter bar 1, and the cutter bar 1 can be inserted into the first circular hole 212. Two first draw-in grooves 213 have been seted up to the terminal surface of the second tool bit 3 that first cutter body 21 kept away from, and two first draw-in grooves 213 all communicate with first circular slot 211, and two first draw-in grooves 213 are along the inner wall circumference array distribution of first circular slot 211. A second engaging groove 214 is formed on the inner side wall of the first engaging groove 213, the second engaging groove 214 is spiral, and the second engaging groove 214 is communicated with the first circular hole 212.
Referring to fig. 2 and 3, the cutter bar 1 is provided with an axial limiting assembly and a circumferential limiting assembly, the axial limiting assembly is used for limiting the axial movement of the first cutter body 21 along the cutter bar 1, and the circumferential limiting assembly is used for limiting the circumferential movement of the first cutter body 21 along the cutter bar 1.
Referring to fig. 2 and 3, the axial limiting assembly includes two blocks 11, the two blocks 11 are both fixedly connected to the outer circumferential surface of the cutter bar 1, and the two blocks 11 are distributed along the outer circumferential surface of the cutter bar 1 in an array manner. The first engaging groove 213 and the second engaging groove 214 are both adapted for receiving the engaging element 11. When the latch 11 slides into the second engaging groove 214, both end surfaces of the latch 11 along the axial direction of the tool holder 1 are attached to the inner wall of the second engaging groove 214, so that the first cutter 21 cannot move along the axial direction of the tool holder 1. In other embodiments, the number of the latches 11, the first latch grooves 213, and the second latch grooves 214 may be other.
Referring to fig. 4, a first locking structure 5 connecting the first cutting head 2 and the second cutting head 3 is provided between the two, and a second locking structure 6 connecting the second cutting head 3 and the third cutting head 4 is provided between the two. The second locking formation 6 is of the same construction as the first locking formation 5.
Referring to fig. 2 and 5, the first locking structure 5 includes an operation ring 51, an operation block 52, and a first spring 53. The end face, away from the first clamping groove 213, of the first cutter body 21 is provided with a mounting groove 215, the mounting groove 215 is in a circular groove shape, the mounting groove 215 is coaxially arranged with the first circular hole 212, and the mounting groove 215 is communicated with the first circular hole 212. The inner wall of the mounting groove 215 far away from the first round hole 212 is provided with four sliding grooves 216, and the four sliding grooves 216 are circumferentially distributed in an array along the axis of the mounting groove 215. The sliding groove 216 extends in the same direction as the axial direction of the first circular hole 212.
Referring to fig. 2 and 5, the operation ring 51 is slidably disposed in the mounting groove 215, and the inner diameter of the operation ring 51 is the same as that of the first circular hole 212. Four sliding blocks 511 are fixedly connected to the outer circumferential surface of the operating ring 51, and the four sliding blocks 511 are distributed along the outer circumferential surface of the operating ring 51 in a circumferential array. The four sliders 511 are aligned with the four slide grooves 216, and the sliders 511 are fitted into the slide grooves 216. When the sliding block 511 is abutted against the end surface of the sliding groove 216 away from the opening of the mounting groove 215, the operating ring 51 is protruded out of the first cutter body 21.
Referring to fig. 4 and 5, the first spring 53 is disposed in the mounting groove 215, and the first spring 53 is in a stretched state. One end of the first spring 53 is fixedly connected with the bottom wall of the mounting groove 215, and the other end of the first spring 53 is fixedly connected with the operating ring 51. The first tool bit 2 is arranged on a first spring 53 which is sleeved outside the tool bar 1.
Referring to fig. 3 and 5, two operation blocks 52 are provided, and the operation blocks 52 have a cylindrical shape. The two operation blocks 52 are fixedly connected to the outer circumferential surface of the operation ring 51 and are distributed along the outer circumferential surface of the operation ring 51 in a circumferential array. When the sliding block 511 abuts against the end surface of the sliding groove 216 away from the opening of the mounting groove 215, the operating block 52 abuts against the first cutter body 21. The operational blocks 52 may also be provided in other numbers. The operating blocks 52 in the present application have the same shape as the latch 11, and the number of the operating blocks 52 is the same as the number of the latches 11. The distance from the junction of the first operating slot 313 and the second operating slot 314 on the second cutter body 31 to the end surface of the second cutter body 31 close to the first cutter body 21 and along the axial direction of the cutter bar 1 is set as the length L, when the lengths L on the second cutter body 31 are different, the operating ring 51 is driven to slide in the mounting groove 215, and the distance between the operating block 52 and the first cutter body 21 is adjusted, so that the first cutter head 2 can be adapted to the second cutter bodies 31 with different lengths L.
Referring to fig. 2, the second cutter head 3 includes a second cutter body 31 and a plurality of second blades 32, and the plurality of second blades 32 are circumferentially arranged along an axis of the second cutter body 31. The second blade 32 may be shaped differently from the first blade 22 in this application. In other embodiments, the first blade 22 and the second blade 32 may be identical in shape.
Referring to fig. 2 and 5, the end surface of the second cutter 31 facing the first cutter 21 is provided with a second circular groove 311, and the second circular groove 311 is used for the operating ring 51 to be embedded. The bottom wall of the second circular groove 311 is provided with a second circular hole 312, and the second circular hole 312 is used for the tool holder 1 to be inserted. Two first operation grooves 313 are formed in the inner circumferential surface of the second circular groove 311, and the two first operation grooves 313 penetrate through the second cutter body 31 in the direction away from the second circular hole 312 along the axial direction of the cutter bar 1. The two first operation grooves 313 are both communicated with the second circular groove 311, and the two first operation grooves 313 are distributed along the circumference of the inner wall of the second circular groove 311 in an array manner.
Referring to fig. 2 and 5, a second operation groove 314 is formed on an inner wall of the first operation groove 313, one side of the second operation groove 314 is communicated with the first operation groove 313, and the second operation groove 314 is in a spiral groove shape. The first operation groove 313 and the second operation groove 314 may be each in which the operation block 52 is inserted. When the operating block 52 is fitted into the second operating groove 314, the second cutter body 31 is rotated to move the operating block 52 in the second operating groove 314, and the operating block 52 is moved in a direction away from the first cutter body 21, i.e., the operating ring 51 is moved from the mounting groove 215.
Referring to fig. 5, both end surfaces of the operation block 52 in the axial direction of the first round hole 212 are attached to the inner wall of the second operation slot 314, and at this time, the second cutter body 31 and the first cutter body 21 cannot move in the axial direction of the first cutter body 21.
Referring to fig. 1 and 4, the second cutter body 31 has the same structure as the first cutter body 21, and the length of the second cutter body 31 in the axial direction of the arbor 1 is different from the length of the first cutter body 21 in the axial direction of the arbor 1 in this application. In other embodiments, the length of the second tool body 31 in the axial direction of the holder 1 may be the same as the length of the first tool body 21 in the axial direction of the holder 1.
Referring to fig. 1 and 4, the third cutter head 4 includes a third cutter body 41 and a third blade 42. The third blade and the first blade 21 have the same structure. The length of the third cutter body in the axial direction of the cutter bar 1 in the present application is different from the length of the first cutter body 21 in the axial direction of the cutter bar 1. In other embodiments, the length of the second tool body 31 in the axial direction of the holder 1 may be the same as the length of the first tool body 21 in the axial direction of the holder 1.
Referring to fig. 1 and 4, the third blades 42 are provided in a plurality, and the plurality of third blades 42 are circumferentially arrayed along the axis of the third cutter body 41. The third blade 42 may be shaped differently from the first blade 22 in this application. In other embodiments, the first blade 22 and the third blade 42 may be identical in shape. The second locking formation 6 is of the same construction as the first locking formation 5, except that the second locking formation 6 is connected to the third cutting head 4 and the second cutting head 3, and the first locking formation 5 is connected to the first cutting head 2 and the second cutting head 3.
Referring to fig. 2 and 3, the outer circumferential surface of the cutter bar 1 is provided with first fixing grooves 12, and the first fixing grooves 12 are circumferentially distributed along the axis of the cutter bar 1. The first fixing groove 12 is located on one side of the first tool bit 2 far away from the second tool bit 3, the first fixing groove 12 penetrates through the tool bar 1 along the axis of the tool bar 1 and towards one side of the first tool bit 2, and the cross section of the first fixing groove 12 is in a trapezoid shape. In other embodiments, the cross-section of the first fixing groove 12 may also be T-shaped.
Referring to fig. 3, a first fixing bar 13 is slidably disposed in the first fixing groove 12, and a length of the first fixing groove 12 is the same as a length of the first fixing bar 13. The circumferential stop assembly comprises a first fixing strip 13 and a second fixing strip 131. The second fixing strip 131 is fixedly connected to one end of the first fixing strip 13, which is far away from the axis of the cutter bar 1, and the length of the second fixing strip 131 is smaller than that of the first fixing strip 13.
Referring to fig. 3 and 5, the first cutter body 21 is provided with two first fixing holes 217, the two first fixing holes 217 are distributed along the circumferential array of the axis of the first circular hole 212, and the two first fixing holes 217 can be penetrated by the second fixing strip 131. Two second fixing holes 512 are formed in the operating ring 51, the two second fixing holes 512 are distributed in an array along the circumference of the axis of the first circular hole 212, and the two second fixing holes 512 can be penetrated by the second fixing strip 131. The first fixing hole 217 is aligned with the second fixing hole 512. In other embodiments, the number of the first fixing holes 217 and the second fixing holes 512 is the same, and the first fixing holes 217 and the second fixing holes 512 may be disposed in one or another number, so as to connect the second fixing bar 131, the first cutter body 21 and the operating ring 51, and to connect different cutter heads.
Referring to fig. 3, an arc-shaped groove 132 is formed in an end surface, away from the axis of the tool bar 1, of the first fixing bar 13, and the arc-shaped groove 132 penetrates through the first fixing bar 13 along the circumferential direction of the tool bar 1. The outer circumference of the cutter bar 1 is provided with a positioning ring groove 14, the positioning ring groove 14 is communicated with the arc-shaped groove 132, and the inner diameter of the positioning ring groove 14 is the same as that of the arc-shaped groove 132. A snap ring 15 is arranged in the positioning ring groove 14, and the gap distance of the snap ring 15 is smaller than the distance of the arc-shaped groove 132 along the circumferential direction of the cutter bar 1. When the snap ring 15 connects the first fixing strip 13 and the knife bar 1, a part of the snap ring 15 is inserted into the arc-shaped groove 132.
Referring to fig. 1 and 3, a material blocking structure 7 is arranged on the cutter bar 1, and the material blocking structure 7 can reduce foreign matters from entering the first circular groove 211. The material blocking structure 7 comprises a circular ring 71, a second spring 72, a first limiting ring 73, a second limiting ring 74 and a limiting block 75.
Referring to fig. 1, a circular ring 71 is sleeved and fixed on the outer circumferential surface of the cutter bar 1, and the circular ring 71 is located on the side of the first cutter head 2 far away from the second cutter head 3. The first limiting ring 73 is sleeved outside the cutter bar 1, the first limiting ring 73 is positioned on one side of the circular ring 71 close to the first cutter head 2, and the inner wall of the first limiting ring 73 is attached to the inner wall of the cutter bar 1.
Referring to fig. 1 and 4, the second spring 72 is in a compressed state, one end of the second spring 72 is fixedly connected with the end surface of the circular ring 71 facing the first cutter head 2, and the other end of the second spring 72 is fixedly connected with the first limiting ring 73. The second limit ring 74 is rotatably connected to a side of the first limit ring 73 away from the second spring 72. The outer diameters of the first and second stop collars 73, 74 are the same as the outer diameter of the first circular groove 211. The end surface of the second limit ring 74 facing the first limit ring 73 is fixedly connected with a swivel with a T-shaped section. The end surface of the first limit ring 73 facing the second limit ring 74 is provided with a rotating groove for the rotating ring to be embedded into.
Referring to fig. 1 and 2, two limiting blocks 75 are provided, the two limiting blocks 75 are distributed along the circumferential array of the outer circumferential surface of the second limiting ring 74, and the limiting blocks 75 can be embedded into the first clamping grooves 213. The second limiting ring 74 is rotated to align the limiting block 75 with the first engaging groove 213.
A processing technology of a combined woodworking milling cutter comprises the following steps:
firstly, sleeving a first cutter head 2 on a cutter bar 1;
step two, sleeving a second tool bit 3 on the tool bar 1, so that the first tool bit 2 is connected with the second tool bit 3 through a first locking structure 5;
thirdly, sleeving a third tool bit 4 on the tool bar 1, so that the second tool bit 3 is connected with the third tool bit 4 through a second locking structure 6;
step four, inserting the first fixing strip 13 into the first fixing groove 12, enabling the second fixing strip 131 to sequentially pass through the third tool bit 4, the second tool bit 3 and the first tool bit 2, and connecting the first fixing strip 13 with the tool bar 1 through the clamping ring 15;
and step five, connecting the cutter bar 1 with the first cutter head 2 through a material blocking structure 7.
The application embodiment of the combined woodworking milling cutter and the processing technology thereof has the following implementation principles: the first cutter head 2, the second cutter head 3 and the third cutter head 4 are assembled on the cutter bar 1 one by one, the first cutter body 21 is matched with the second cutter body 31, and the second cutter body 31 is matched with the third cutter body, so that the assembly of the combined woodworking milling cutter is realized.
The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements and the like made within the design concept of the present application should be included in the protection scope of the present application.
Claims (4)
1. The utility model provides a combination wood milling cutter, includes cutter arbor (1), its characterized in that: a first cutter head (2), a second cutter head (3) and a third cutter head (4) are sleeved outside the cutter bar (1), a first locking structure (5) for connecting the first cutter head (2) and the second cutter head (3) is arranged between the first cutter head (2) and the second cutter head (3), a second locking structure (6) for connecting the third cutter head (4) and the second cutter head (3) is arranged between the third cutter head (4) and the second cutter head (3), the first cutter head (2) comprises a first cutter body (21), and the second cutter head (3) comprises a second cutter body (31); the first locking structure (5) comprises an operating ring (51) arranged on the first cutter body (21), an operating block (52) is arranged on the outer circumferential surface of the operating ring (51), a second circular groove (311) for embedding the operating ring (51) and a first operating groove (313) for embedding the operating block (52) are formed in the end surface, facing the first cutter body (21), of the second cutter body (31), a second operating groove (314) for embedding the operating block (52) is formed in the side inner wall of the first operating groove (313), an axial limiting component for limiting the first cutter body (21) to move axially along the cutter bar (1) and a circumferential limiting component for limiting the first cutter body (21) to move circumferentially along the cutter bar (1) are arranged on the cutter bar (1);
the end face, facing the second cutter body (31), of the first cutter body (21) is provided with a circular installation groove (215), the operation ring (51) is arranged in the installation groove (215) in a sliding mode, the operation block (52) is located outside the installation groove (215), the bottom wall of the installation groove (215) is fixedly connected with a first spring (53), the other end of the first spring (53) is fixedly connected with the operation ring (51), and the first spring (53) is in a stretching state;
the axial limiting component comprises a clamping block (11) arranged on the circumferential surface of the cutter bar (1), a first clamping groove (213) for the clamping block (11) to be embedded into is formed in the end surface, far away from the second cutter head (3), of the first cutter body (21), and a second clamping groove (214) for the clamping block (11) to be embedded into is formed in the side wall of the first clamping groove (213);
the circumferential limiting assembly comprises a second fixing strip (131) arranged on the cutter bar (1), a first fixing hole (217) for the second fixing strip (131) to pass through is formed in the first cutter body (21), a second fixing hole (512) for the second fixing strip (131) to pass through is formed in the operating ring (51), and the first fixing hole (217) is aligned to the second fixing hole (512);
the cutter bar limiting device comprises a cutter bar (1), and is characterized in that a first fixing groove (12) is formed in the circumferential surface of the cutter bar (1), the first fixing groove (12) penetrates towards the end part of the cutter bar (1), the cross section of the first fixing groove (12) is in a trapezoid shape or a T shape, the circumferential limiting assembly further comprises a second fixing strip (131) arranged in the first fixing groove (12), a first fixing strip (13) is arranged in the first fixing groove (12), and the second fixing strip (131) is arranged on the end face, away from the axis of the cutter bar (1), of the first fixing strip (13);
a positioning ring groove (14) is formed in the outer circumferential surface of the cutter bar (1), an arc-shaped groove (132) is formed in one end, away from the axis of the cutter bar (1), of the first fixing strip (13), the positioning ring groove (14) is communicated with the arc-shaped groove (132), the inner diameter of the positioning ring groove (14) is the same as that of the arc-shaped groove (132), a clamping ring (15) is arranged in the positioning ring groove (14), and part of the clamping ring (15) is embedded into the arc-shaped groove (132);
be provided with on cutter arbor (1) and keep off material structure (7), be provided with ring (71) on the outer periphery of cutter arbor (1), ring (71) are provided with second spring (72) towards the terminal surface of first sword head (2), second spring (72) are in compression state, the terminal surface that ring (71) were kept away from in second spring (72) is provided with first spacing ring (73), second spring (72) are kept away from in first spacing ring (73) and are provided with second spacing ring (74), the external diameter of second spacing ring (74) is the same with the internal diameter of first circular slot (211), be provided with stopper (75) that can imbed in first draw-in groove (213) on the outer periphery of second spacing ring (74).
2. A gang woodworking milling cutter as claimed in claim 1, wherein: the second operation groove (314) is spiral-shaped.
3. A gang woodworking milling cutter as claimed in claim 1, wherein: the cutter bar fixing device is characterized in that a plurality of first fixing holes (217) and a plurality of second fixing holes (512) are arranged, the first fixing holes (217) and the second fixing holes (512) are identical in quantity and aligned, the first fixing holes (217) are distributed along the axis of the cutter bar (1) in an array mode, and the second fixing holes (512) are distributed along the axis of the cutter bar (1) in an array mode.
4. A process of making a gang woodworking milling cutter as claimed in claim 3, wherein: the method comprises the following steps:
firstly, sleeving a first cutter head (2) on a cutter bar (1);
sleeving a second tool bit (3) on the tool bar (1) so that the first tool bit (2) is connected with the second tool bit (3) through a first locking structure (5);
thirdly, sleeving a third tool bit (4) on the tool bar (1) to enable the second tool bit (3) and the third tool bit (4) to be connected through a second locking structure (6);
and fourthly, inserting the first fixing strip (13) into the first fixing groove (12), enabling the second fixing strip (131) to sequentially penetrate through the third tool bit (4), the second tool bit (3) and the first tool bit (2), and connecting the first fixing strip (13) with the tool bar (1) through the clamping ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210303210.2A CN114571559B (en) | 2022-03-25 | 2022-03-25 | Combined woodworking milling cutter and processing technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210303210.2A CN114571559B (en) | 2022-03-25 | 2022-03-25 | Combined woodworking milling cutter and processing technology thereof |
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| CN114571559A CN114571559A (en) | 2022-06-03 |
| CN114571559B true CN114571559B (en) | 2023-01-03 |
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| CN202210303210.2A Active CN114571559B (en) | 2022-03-25 | 2022-03-25 | Combined woodworking milling cutter and processing technology thereof |
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| Publication number | Publication date |
|---|---|
| CN114571559A (en) | 2022-06-03 |
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