CN214819340U - Wood milling cutter - Google Patents

Abstract

The utility model relates to a woodworking milling cutter, it includes cutter body and milling cutter piece, be equipped with the installing port on the cutter body, milling cutter piece sets up in the installing port, milling cutter piece keeps away from the side of cutter body axis and has seted up the sliding tray, it is provided with reserve blade to slide in the sliding tray, reserve blade has the primary importance of income sliding tray and the second place that stretches out the sliding tray, be connected with on the milling cutter piece and be used for making reserve blade is in the backstop of primary importance or second place. This application has long service life's effect.

Description

Wood milling cutter

Technical Field

The application relates to the field of woodworking tools, in particular to a woodworking milling cutter.

Background

Woodworking tools are tools for machining wood into desired shapes and sizes by cutting methods, and the types of woodworking tools include saws, blades, mills, drills, and mortise-and-tenon machining tools.

In the related art, chinese patent No. CN201693623U discloses a woodworking milling cutter, which includes a cutter body, a bearing, and a milling blade, wherein the milling blade is disposed on the cutter body, and the bearing is mounted at the upper end of the cutter body. The cutter body is provided with at least two blade mounting openings, the milling blade is fixed on the blade mounting openings and consists of an arc section part and a flat section part. When the cutter body is clamped at the head of the high-speed motor, the arc section part can mill the edge of the wooden furniture to mill the edges of the furniture edge and process a certain radian, so that the furniture edge becomes smooth.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: milling inserts inevitably wear during the milling of wooden furniture and need to be replaced when the wear of the milling inserts is too great to affect the use. The milling blade in the woodworking milling cutter is fixedly arranged on the cutter body, the whole woodworking milling cutter needs to be replaced immediately after the milling blade is worn, and the woodworking milling cutter is short in service life and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to increase the service life, the application provides a woodworking milling cutter.

The application provides a woodworking milling cutter adopts following technical scheme:

the utility model provides a woodworking milling cutter, includes cutter body and milling cutter piece, be equipped with the installing port on the cutter body, milling cutter piece sets up in the installing port, milling cutter piece keeps away from the side of cutter body axis and has seted up the sliding tray, it is provided with reserve blade to slide in the sliding tray, reserve blade has the first position of income sliding tray and stretches out the second position of sliding tray, be connected with on the milling cutter piece and be used for making reserve blade is in the stopper of first position or second position.

By adopting the technical scheme, when the milling cutter is used, the stop piece is firstly operated to enable the spare blade to be positioned at the first position of the sliding groove, and then the high-speed motor connected with the cutter body is used for driving the milling blade to rotate, so that the milling blade mills wooden furniture. After the milling insert is worn, the operator can first stop the high-speed motor and then operate the stop member to position the spare insert in the second position extending out of the sliding slot, at which point the end of the spare insert extends beyond the milling insert. After the position of the wood board to be machined is finely adjusted, the spare blade can replace the milling blade to be in contact with the wood board so as to mill the wood board. The whole milling cutter does not need to be replaced immediately after the milling blade is worn, and the service life of the milling cutter is long.

Optionally, a guide block is fixed to one side of the spare blade, a guide hole communicated with the sliding groove is formed in the side surface of the milling blade, the extending direction of the guide hole is parallel to the extending direction of the sliding groove, and the guide block is slidably disposed in the guide hole.

Through adopting above-mentioned technical scheme, when reserve blade removed along the sliding tray, the guide block can follow thereupon along guiding hole synchronous motion, and guide block and guiding hole cooperation play the spacing effect of direction when reserve blade slides, stability when helping improving reserve blade and removing.

Optionally, the stopping member includes a stopping block fixed on the milling blade and a positioning pin penetrating through the stopping block, a first stopping hole and a second stopping hole penetrating through the end surface of the stopping block away from the guide block are formed in the end surface of the stopping block, the second stopping hole is located on one side of the first stopping hole away from the central axis of the cutter body, and a yielding hole for the end of the positioning pin to penetrate through is formed in the end surface of the guide block close to the stopping block; when the locating pin wears to establish first locking hole and the hole of stepping down, reserve blade is in the first position, works as when the locating pin wears to establish second locking hole and the hole of stepping down, reserve blade is in the second position.

By adopting the technical scheme, when the guide block moves to align the abdicating hole with the first stop hole, the spare blade is at the first position; when the guide block moves to enable the abdicating hole to be aligned with the second stop hole, the spare blade is located at the second position, and an operator can penetrate the positioning pin through the first stop hole or the second stop hole and then stretch into the abdicating hole to limit the movement of the guide block.

Optionally, the locating pin includes the connecting rod, is fixed in the piece that blocks of connecting rod one side and is fixed in the connecting rod and keeps away from two shell fragments that block piece one side, the diameter of connecting rod is less than the internal diameter in first locking hole, second locking hole and the hole of stepping down, the diameter that blocks the piece is greater than the internal diameter in first locking hole, second locking hole and the hole of stepping down, the one end of shell fragment is fixed on the connecting rod, the other end extends to the one side of keeping away from the connecting rod axis, and the tip interval when two shell fragments are in natural state is greater than the diameter of connecting rod.

Through adopting above-mentioned technical scheme, during the location guide block, press two shell fragments earlier so that its tip moves in opposite directions, until the tip interval of two shell fragments is less than the diameter of connecting rod, penetrate first locking hole or second locking hole with the shell fragment of compression state again and stretch out the hole of stepping down, the shell fragment can the reconversion owing to no longer receive first locking hole or second locking hole and the extrusion of the hole lateral wall of stepping down this moment for the locating pin is difficult to deviate from the hole of stepping down, the stability of guide block and reserve blade is high.

Optionally, a chamfer is arranged at one end, away from the connecting rod, of the elastic piece, and the chamfer is located at one end, away from the central axis of the connecting rod, of the elastic piece.

Through adopting above-mentioned technical scheme, the chamfer plays the effect of direction when the shell fragment penetrates first locking hole or second locking hole, and the assembly efficiency of locating pin is high.

Optionally, the positioning pin further includes a spring disposed between the two spring pieces, and two ends of the spring are respectively fixed to the end faces of the two spring pieces close to each other.

By adopting the technical scheme, the spring plays a role in connecting the two elastic sheets, so that the integrity of the positioning pin is improved; on the other hand, after the elastic sheet is loosened by hands, the elastic sheet can be driven to automatically reset under the elastic action of the spring, so that the elastic sheet can still play a role in positioning after the elastic sheet is subjected to elastic loss, and the positioning pin is high in stability.

Optionally, a magnet is fixed on one side of the guide block, which is far away from the stop block, and a through hole for the connecting rod to penetrate through is formed in the end face of the magnet, which is close to the guide block; the elastic sheet is a magnetic block which is mutually attracted with the magnet, and the elastic sheet penetrates through the through hole and then is mutually attracted with the magnet.

Through adopting above-mentioned technical scheme, shell fragment and magnet inter attraction have increased the joint strength of locating pin and guide block, have further improved the stability of locating pin.

Optionally, the end face, away from the guide block, of the magnet is provided with a fixing groove communicated with the through hole, two groove walls opposite to the fixing groove are provided with abutting inclined planes, and the elastic sheet is attached to the abutting inclined planes in a natural state.

By adopting the technical scheme, the contact area between the elastic sheet and the magnet is large, and the stability is high.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the milling blade works, the spare blade is positioned at the first position where the spare blade is collected into the sliding groove, and the milling of furniture by the milling blade cannot be interfered; after the milling blade is worn, an operator can move the standby blade to a second position extending out of the sliding groove, and the standby blade can replace the milling blade to process furniture, so that the service life of the milling cutter is prolonged;

2. when the spare blade moves to enable the abdicating hole to be aligned with the first stop hole, the spare blade is located at the first position, when the spare blade moves to enable the abdicating hole to be aligned with the second stop hole, the spare blade is located at the second position, and an operator can enable the positioning pin to penetrate through the first stop hole or the second stop hole and then stretch into the abdicating hole, so that the guide block and the spare blade are limited to move, the positioning mode is simple, and the operation is convenient;

3. when the locating pin is worn to be established in stop block and guide block, the shell fragment can block that the connecting rod moves to one side that is close to the stop block, blocks that the connecting rod can block to move to one side that is close to the shell fragment to make the locating pin be difficult for breaking away from, the stability of guide block and reserve blade is high.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic partial explosion diagram of an embodiment of the present application.

FIG. 3 is a schematic partial cross-sectional view of a locating pin separated from a stop block and a guide block in an embodiment of the present application.

Description of reference numerals: 1. a cutter body; 11. installing a shaft; 111. positioning the bolt; 112. a gasket; 12. a tool apron; 121. an installation port; 13. a bearing; 2. milling the insert; 21. a sliding groove; 22. a circular arc section; 23. a straight section; 24. a guide hole; 3. a spare blade; 31. a guide block; 311. a hole of abdication; 32. a magnet; 321. fixing grooves; 322. a through hole; 323. abutting against the inclined plane; 4. a stopper; 41. a stopper block; 411. a first stop hole; 412. a second stop hole; 42. positioning pins; 421. a connecting rod; 422. a blocking block; 423. a spring plate; 424. a spring; 425. and (6) chamfering.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a wood milling cutter. Referring to fig. 1, the woodworking milling cutter includes a cutter body 1 and two milling blades 2 mounted on the cutter body 1, the cutter body 1 includes a mounting shaft 11, a tool apron 12 fixed on a circumferential side wall of the mounting shaft 11, and a bearing 13 sleeved on the mounting shaft 11, and a positioning bolt 111 is connected to the mounting shaft 11 through a thread. The outer side of the rod of the positioning bolt 111 is sleeved with a gasket 112, and the gasket 112 abuts against one side of the bearing 13 away from the tool holder 12 and is used for blocking the bearing 13 from moving along the length direction of the mounting shaft 11.

Referring to fig. 1 and 2, two mounting holes 121 are formed in a side wall of the tool holder 12, and two milling inserts 2 are respectively fixed in the two mounting holes 121, in this embodiment, the milling inserts 2 are connected to the tool holder 12 in a welding manner, and in other embodiments, the milling inserts 2 may also be connected to the tool holder 12 in a bolt fixing manner. When the milling insert 2 is mounted on the tool holder 12, one end of the milling insert 2 protrudes out of the tool holder 12, and when the milling insert 2 is used, the protruding end of the milling insert contacts with wooden furniture, so that the wooden furniture is milled.

Referring to fig. 1 and 2, a side surface of the milling insert 2 away from the central axis of the mounting shaft 11 is provided with a sliding groove 21, and the sliding groove 21 extends from the side surface of the milling insert 2 toward the central axis of the mounting shaft 11. The spare blade 3 is slidably disposed in the sliding groove 21, the spare blade 3 has a first position completely received in the sliding groove 21 and a second position with one end extending out of the sliding groove 21, and the spare blade 3 is positioned by the stopper 4 when in the first position or the second position.

Referring to fig. 2, each of the spare insert 3 and the milling insert 2 includes an integrally formed arc segment 22 and a straight segment 23, wherein the arc segment 22 is located on one side of the straight segment 23 close to the bearing 13, and the arc segments 22 in the spare insert 3 and the milling insert 2 have the same arc and shape. When the furniture is milled, the spare blade 3 is in the first position, and the arc section 22 of the milling blade 2 can mill a round angle on the edge of the furniture, so that the edge of the furniture is smoother. After the milling cutter blade 2 is damaged, the operator can move the spare blade 3 to the second position extending out of the sliding groove 21, and then the spare blade 3 is positioned by using the stop piece 4, and at the moment, the spare blade 3 can replace the milling cutter blade 2 to process wooden furniture, so that the service life of the milling cutter is prolonged.

Referring to fig. 2 and 3, a guide block 31 is fixed to one side of the spare insert 3, a guide hole 24 communicating with the sliding groove 21 is formed in a side surface of the milling insert 2, an extending direction of the guide hole 24 is parallel to an extending direction of the sliding groove 21, and the guide block 31 is slidably disposed in the guide hole 24. The length of the guide block 31 is greater than the depth of the guide hole 24, and the end of the guide block 31 beyond the guide hole 24 is located in the mounting opening 121. The guide block 31 has an effect of facilitating manual operation by a person to move the spare blade 3, and plays a role in guiding and limiting when the spare blade 3 moves.

Referring to fig. 2 and 3, the stop 4 includes a stop block 41 and a positioning pin 42 penetrating the stop block 41, the stop block 41 is fixed on the side surface of the milling insert 2 where the guide hole 24 is opened, and the length direction of the stop block 41 is parallel to the extending direction of the guide hole 24. The end surface of the stop block 41 far away from the guide block 31 is provided with a first stop hole 411 and a second stop hole 412, the first stop hole 411 and the second stop hole 412 both penetrate through the stop block 41, and the second stop hole 412 is located on one side of the first stop hole 411 far away from the central axis of the mounting shaft 11.

Referring to fig. 2 and 3, an end surface of the guide block 31 close to the stopper 41 is provided with a relief hole 311, and the relief hole 311 penetrates through the guide block 31 and is located at one end of the guide block 31 beyond the guide hole 24. The end face of the guide block 31 remote from the stopper 41 is fixed with a magnet 32, and the magnet 32 is located outside the guide hole 24. The end face, away from the guide block 31, of the magnet 32 is provided with a fixing groove 321, the cross section of the fixing groove 321 is trapezoidal, and a through hole 322 communicated with the abdicating hole 311 is formed in the groove wall, away from the opening of the fixing groove 321, the through hole 322, the abdicating hole 311, the first stopping hole 411 and the second stopping hole 412 are all round holes with the same inner diameter, and the center line of the through hole 322 is the same as that of the abdicating hole 311. When the guide block 31 is moved to align the abdicating hole 311 with the first stop hole 411, the spare blade 3 is in the first position; when the guide block 31 is moved to align the relief hole 311 with the second stopper hole 412, the spare blade 3 is in the second position.

Referring to fig. 2 and 3, the positioning pin 42 includes a connecting rod 421, a blocking block 422 fixed on one side of the connecting rod 421, two elastic pieces 423 oppositely disposed on one side of the connecting rod 421 away from the blocking block 422, and a spring 424 fixed between the two elastic pieces 423, a diameter of the connecting rod 421 is slightly smaller than an inner diameter of the abdicating hole 311, a diameter of the blocking block 422 is larger than the inner diameter of the abdicating hole 311, the elastic pieces 423 are metal sheets capable of generating deformation, one end of each elastic piece 423 is fixed on a side of the connecting rod 421 away from the blocking block 422, the other end of each elastic piece 423 obliquely extends towards one side away from a central axis of the connecting rod 421, and an end distance when the two elastic pieces 423 are in a natural state is larger than the inner diameter of the abdicating hole 311.

Referring to fig. 2 and 3, after the spare blade 3 is moved to the right position, the two elastic pieces 423 are moved towards each other and compress the spring 424 until the distance between the ends of the two elastic pieces 423 is smaller than the diameter of the connecting rod 421, and then the elastic pieces 423 sequentially pass through the first stopping hole 411 or the second stopping hole 412, the abdicating hole 311 and the through hole 322. After the blade is inserted in place, the elastic piece 423 automatically resets to the state that the end part is opened under the action of the elastic force of the elastic piece 423 and the elastic force of the spring 424, so that the positioning pin 42 is not easy to be separated from the guide block 31, the stop block 41 and the magnet 32, and the stability of the spare blade 3 is high.

Referring to fig. 2 and 3, the resilient piece 423 is made of a magnetic material, such as iron, cobalt, nickel, etc., which attracts the magnet 32, and the opposite side walls of the fixing groove 321 are provided with abutting inclined surfaces 323, and the abutting inclined surfaces 323 extend from the direction from the guide block 31 to the magnet 32 to a side away from the central axis of the mounting shaft 11. The elastic piece 423 is attached to the abutment slope 323 after penetrating through the through hole 322, and the elastic piece 423 has a large contact area with the magnet 32 and high stability of the positioning pin 42.

Referring to fig. 3, a chamfer 425 is provided at a connection position between an end surface of the resilient piece 423 away from the connecting rod 421 and an end surface of the resilient piece 423 away from the spring 424, and the chamfer 425 has an effect of facilitating the penetration of the positioning pin 42 into the first stopping hole 411 or the second stopping hole 412.

The implementation principle of the woodworking milling cutter in the embodiment of the application is as follows: when using the milling cutter, the guide block 31 is first moved to align the relief hole 311 with the first stop hole 411, and the spare insert 3 is in the first position retracted into the sliding slot 21, and the milling insert 2 will contact and mill the wooden furniture. After the milling blade 2 is worn, the ends of the two resilient pieces 423 are moved toward each other, so that the two resilient pieces 423 compress the spring 424, and meanwhile, the resilient pieces 423 are pushed toward the side close to the stopper 422 until the positioning pin 42 is separated from the stopper 41 and the guide block 31. Then, the guide block 31 is shifted to align the relief hole 311 with the second stopper hole 412, and the positioning pin 42 is inserted into the second stopper hole 412, the relief hole 311, and the through hole 322, thereby restricting the movement of the spare blade 3. The spare blade 3 is in the second position with the end extending out of the sliding groove 21, and the operator can use the spare blade 3 to replace the milling blade 2 to mill the furniture, thereby prolonging the service life of the woodworking milling cutter.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a woodworking milling cutter, includes cutter body (1) and milling blade (2), be equipped with installing port (121) on cutter body (1), milling blade (2) set up in installing port (121), its characterized in that: the side surface, far away from the central axis of the cutter body (1), of the milling blade (2) is provided with a sliding groove (21), a spare blade (3) is arranged in the sliding groove (21) in a sliding mode, the spare blade (3) is provided with a first position for accommodating the sliding groove (21) and a second position for extending out of the sliding groove (21), and a stop piece (4) used for enabling the spare blade (3) to be located at the first position or the second position is connected to the milling blade (2).

2. The woodworking milling cutter as claimed in claim 1, wherein: a guide block (31) is fixed on one side of the spare blade (3), a guide hole (24) communicated with the sliding groove (21) is formed in the side face of the milling blade (2), the extending direction of the guide hole (24) is parallel to the extending direction of the sliding groove (21), and the guide block (31) is arranged in the guide hole (24) in a sliding mode.

3. The woodworking milling cutter as claimed in claim 2, wherein: the stop piece (4) comprises a stop block (41) fixed on the milling blade (2) and a positioning pin (42) penetrating through the stop block (41), a first stop hole (411) and a second stop hole (412) which are through are formed in the end face, far away from the guide block (31), of the stop block (41), the second stop hole (412) is located on one side, far away from the central axis of the cutter body (1), of the first stop hole (411), and a yielding hole (311) for the end portion of the positioning pin (42) to penetrate through is formed in the end face, close to the stop block (41), of the guide block (31); when locating pin (42) wear to establish in first stop hole (411) and abdication hole (311), reserve blade (3) are in the first position, work as when locating pin (42) wear to establish in second stop hole (412) and abdication hole (311), reserve blade (3) are in the second position.

4. The woodworking milling cutter of claim 3, wherein: locating pin (42) are including connecting rod (421), be fixed in the piece (422) that blocks of connecting rod (421) one side and be fixed in connecting rod (421) and keep away from two shell fragments (423) that block piece (422) one side, the diameter of connecting rod (421) is less than first locking hole (411), second locking hole (412) and the internal diameter of stepping down hole (311), the diameter that blocks piece (422) is greater than first locking hole (411), second locking hole (412) and the internal diameter of stepping down hole (311), the one end of shell fragment (423) is fixed on connecting rod (421), the other end extends to one side of keeping away from connecting rod (421) axis, and the tip interval when two shell fragments (423) are in natural state is greater than the diameter of connecting rod (421).

5. The woodworking milling cutter as claimed in claim 4, wherein: one end, far away from connecting rod (421), of shell fragment (423) is equipped with chamfer (425), chamfer (425) are located shell fragment (423) and keep away from the one end of connecting rod (421) axis.

6. The woodworking milling cutter as claimed in claim 4, wherein: the positioning pin (42) further comprises a spring (424) arranged between the two elastic sheets (423), and two ends of the spring (424) are respectively fixed on the end faces, close to each other, of the two elastic sheets (423).

7. The woodworking milling cutter as claimed in claim 4, wherein: a magnet (32) is fixed on one side of the guide block (31) far away from the stop block (41), and a through hole (322) for the connecting rod (421) to penetrate through is formed in the end face, close to the guide block (31), of the magnet (32); the elastic sheet (423) is a magnetic block which is mutually attracted with the magnet (32), and the elastic sheet (423) penetrates through the through hole (322) and then is mutually attracted with the magnet (32).

8. The woodworking milling cutter of claim 7, wherein: the end face, far away from the guide block (31), of the magnet (32) is provided with a fixing groove (321) communicated with the through hole (322), two groove walls, opposite to the fixing groove (321), are provided with abutting inclined planes (323), and the elastic sheet (423) is attached to the abutting inclined planes (323) in a natural state.

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