CN212763909U - Press lock shaft type electric wood milling machine - Google Patents
Press lock shaft type electric wood milling machine Download PDFInfo
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- CN212763909U CN212763909U CN202020808982.8U CN202020808982U CN212763909U CN 212763909 U CN212763909 U CN 212763909U CN 202020808982 U CN202020808982 U CN 202020808982U CN 212763909 U CN212763909 U CN 212763909U
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Abstract
The utility model discloses a press lock shaft type electric wood milling machine, which comprises a base, a milling cutter driving seat, an elastic piece and a press type locking mechanism, wherein the base and the milling cutter driving seat are nested and can move axially relatively, the elastic piece drives the milling cutter driving seat to reset after being moved by external pressure, and the press type locking mechanism limits the rotation of a main shaft on the milling cutter driving seat under the action of a force F which is perpendicular to the axis of the milling cutter driving seat and faces the axis; the push type locking mechanism is not in contact with the spindle in the state of not being subjected to the force F. This scheme adopts push type locking structure, can lock the main shaft through pressing down the locking lever to can conveniently inject the rotation of main shaft in order to realize milling cutter's change, the function is more comprehensive, the operation is convenient, and push type locking mechanism is integrated on milling cutter drive seat, the problem of losing can not appear, need not with the help of extra instrument, can change milling cutter anytime and anywhere.
Description
Technical Field
The utility model belongs to the technical field of power tool and specifically relates to press lock axle formula bakelite milling.
Background
The existing pressing lock shaft type electric wood milling machine generally comprises a machine shell, a motor arranged in the machine shell, a milling cutter connected with the motor and driven by the motor in a rotating way, a handle arranged on the machine shell and a base connected with the machine shell. The base is provided with a pair of guide posts, and the shell can be guided to slide up and down along the guide posts through the handle, so that the position of the milling cutter relative to the base is adjusted. The base is supported on the surface of the workpiece to provide support and guide for milling cutter machining.
The main shaft is required to be fixed through certain measures so as to be replaced when the milling cutter is replaced through the pressing shaft locking type electric wood milling machine, the main shaft is fixed through a wrench and the like in one hand, and the milling cutter is replaced in the other hand in a conventional mode, however, in the conventional mode, the replacement needs to be assisted through additional tools such as some wrenches and the like, in some application occasions, proper auxiliary tools cannot be found frequently, the application range is limited, and the replacement is convenient
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a press lock axle formula bakelite miller in order to solve the above-mentioned problem that exists among the prior art.
The purpose of the utility model is realized through the following technical scheme:
the pressing locking shaft type electric wood milling machine comprises a base, a milling cutter driving seat, an elastic piece and a pressing type locking mechanism, wherein the base and the milling cutter driving seat are nested and can relatively and axially move, the elastic piece drives the milling cutter driving seat to reset after moving under external pressure, and the pressing type locking mechanism limits the rotation of a main shaft on the milling cutter driving seat under the action of a force F which is perpendicular to the axis of the milling cutter driving seat and faces the axis; the push type locking mechanism is not in contact with the spindle in the state of not being subjected to the force F.
Preferably, in the press-lock shaft type electric wood milling machine, the press-lock mechanism comprises a lock rod, the lock rod extends in a direction perpendicular to the axis of the milling cutter driving seat and can reciprocate in the direction, the lock rod can be embedded into the spindle or exert pressure on the outer wall of the spindle when being stressed by a force F, and the lock rod and the spindle keep a gap in a state of not being stressed by the force F.
Preferably, in the press lock shaft type electric wood milling machine, a locking block is fixed on the locking rod, when the locking rod is not stressed by F, the locking block is partially or completely embedded into a clamping groove in the inner wall of a supporting cylinder of the base, and when the locking rod is stressed by F, the locking block withdraws from the clamping groove.
Preferably, in the push lock shaft type electric wood milling machine, when the locking rod is not stressed by the force F, the distance between the locking rod and the main shaft is larger than the thickness of the locking block.
Preferably, in the press lock shaft type electric wood milling machine, the plurality of clamping grooves have a height difference, and the support cylinder is provided with a rectangular through hole which divides the plurality of clamping grooves into two parts.
Preferably, in the pressing lock shaft type electric wood milling machine, a profiling hole for the locking block to pass through is formed in the supporting cylinder, a cushion block is arranged at the bottom of the profiling hole, and the distance L between the cushion block and the top of the profiling hole is smaller than the height H of the locking block.
Preferably, in the press-lock-shaft type electric wood milling machine, the spindle is arranged in an inner sleeve of the milling cutter driving seat in a rotatable and coaxial manner, the inner sleeve and an outer cover arranged around the inner sleeve form a limiting groove, and the elastic member is located in the limiting groove.
Preferably, in the push lock shaft type electric wood milling machine, the outer wall of the inner sleeve is provided with a plurality of guide bars extending along the extending direction of the inner sleeve, and the inner wall of the support cylinder of the base is provided with guide grooves matched with the guide bars.
Preferably, in the push lock shaft type electric wood milling machine, the milling cutter driving seat comprises a connector for connecting a torque transmission with an external driving mechanism.
Preferably, in the pressing lock shaft type electric wood milling machine, an inwards concave positioning groove is formed in the side wall of the connector.
The utility model discloses technical scheme's advantage mainly embodies:
this scheme design is exquisite, adopts push type locking structure, can lock the main shaft through pressing down the locking lever to can conveniently inject the rotation of main shaft in order to realize milling cutter's change, the function is more comprehensive, the operation is convenient, and push type locking mechanism is integrated on milling cutter drive seat, the problem of losing can not appear, need not with the help of extra instrument, can change milling cutter anytime and anywhere.
When needs are adjusted, only need apply pressure to locking structure when pressing, can make milling cutter drive seat freely remove to adjustment that can be nimble especially can conveniently realize the quick adjustment of large-span stroke, simplified the operation, improved efficiency, in addition, need not additionally to increase power structure, with low costs, can not increase extra energy consumption, the environmental friendliness is good.
The push-button type locking mechanism is simple in structure, easy to operate and low in cost, the adjusting mode of the push type is changed by a conventional threaded connection mode, operation is easier, and popularization and application are facilitated.
The structure of the scheme can quickly realize multistage or stepless adjustment of the working height of the milling cutter, and the application flexibility is better.
The base and the milling cutter driving seat are assembled in a nesting mode, so that the structure is compact, the size is smaller, and the manual operation is better facilitated; meanwhile, the guide is carried out by matching the guide grooves and the guide strips on the base and the milling cutter driving seat, and guide is realized without additionally adding guide columns like the prior art, so that the structure is simplified; meanwhile, the elastic piece is built in, so that the protection can be effectively realized through the milling cutter driving seat, and the service life is prolonged.
The press lock shaft type electric wood milling machine does not need to be provided with a motor, can be matched with the machine body of a multi-head electric tool or matched with other structures with the motor through the connector, and is better in application flexibility.
Drawings
Figure 1 is a first longitudinal cross-sectional view of the present invention (the cross-sectional plane is perpendicular through the outer end face of the button);
FIG. 2 is a front view of the support cylinder of the present invention;
fig. 3 is a cross-sectional view of the milling cutter driving seat of the present invention;
figure 4 is a second longitudinal cross-sectional view of the present invention (the cross-sectional plane is parallel to the outer end face of the button);
fig. 5 is a top view of the support cylinder of the present invention;
fig. 6 is a bottom view of the inner cylinder and the outer cover of the milling cutter driving seat of the present invention;
FIG. 7 is an enlarged view of area A of FIG. 1;
fig. 8 is a perspective view of a locking block in the present invention;
FIG. 9 is a sectional view showing a positional state of the lock block and the support cylinder;
FIG. 10 is a front view showing a positional state of the lock block and the support cylinder;
fig. 11 is an exploded view of the milling cutter drive socket of the present invention;
fig. 12 is an enlarged view of the region B in fig. 3.
Detailed Description
Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. These embodiments are merely exemplary embodiments for applying the technical solutions of the present invention, and all technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the scope of the present invention.
In the description of the embodiments, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.
The present invention will be described with reference to the accompanying drawings, which show in fig. 1 a press-lock shaft type electric wood milling machine comprising a base 100, a milling cutter driving seat 300 and an elastic member 500. The base 100 is used for supporting the milling cutter driving seat 300 and guiding the milling cutter driving seat 300, and may be a base structure of various electric wood mills. Preferably, the base 100 comprises a bottom plate 120, the middle of the bottom plate 120 is coaxially provided with a through hole 121 for a milling cutter (not shown) to pass through for processing, and the bottom of the bottom plate 120 is detachably provided with an auxiliary support structure (not shown), which can be designed as required, for example, the structure shown in the patent application No. 201810735342.6.
As shown in fig. 1 and fig. 2, the chassis 120 is coaxially provided with a support cylinder 110, and the support cylinder 110 and the chassis 120 may be integrally formed, may also be screwed, and may also be assembled together in a manner of being clamped or welded. The support cylinder 110 is preferably screwed to the base plate 120, that is, a plurality of screw holes 122 are formed on the base plate 120, and a through hole 111 corresponding to each of the screw holes 122 is formed on the support cylinder 110. Meanwhile, at least two positioning holes (not shown in the figure) are formed on the base plate 120, the positioning pins 112 corresponding to each positioning hole are formed at the bottom of the supporting cylinder 110, and the diameters of the positioning holes may be the same or different, preferably, the two positioning holes have different diameters and have a fool-proof function, so that the supporting cylinder 110 can be effectively and accurately and quickly positioned to improve the assembly efficiency.
Meanwhile, as shown in fig. 2, three through holes 113 are formed in the side wall of the supporting cylinder 110 and are uniformly distributed, so that three supporting legs 114 are formed at the bottom of the supporting cylinder 110, a guide cylinder 115 is formed above the supporting legs 114, and the guide cylinder 115 includes a vertical section and a tapered section from top to bottom.
As shown in fig. 1 and 3, the milling cutter driving base 300 is nested on the base 100, the milling cutter driving base 300 includes an inner sleeve 310 and an outer cover 320 forming a limited slot 330, the inner sleeve 310 is inserted into the supporting cylinder 110, a spindle 340 is rotatably and coaxially disposed in the inner sleeve 310, for example, two bearings 360 are coaxially disposed in the inner sleeve 310, the spindle 340 is inserted into inner rings of the two bearings 360, a lower end of the spindle 340 extends out of a bottom of the inner sleeve 310, and a structure for connecting a milling cutter is formed at a bottom of the spindle 340, where the structure for connecting the spindle 340 to the milling cutter may be any known prior art, such as a screw hole corresponding to the milling cutter is formed on the spindle 340, or a non-circular hole is formed at a tail end of the spindle 340, and the tail end of the spindle 340 has a magnetic attraction effect on the milling cutter, or a structure for replacing a head of an electric screwdriver is formed on the spindle 340, it is not the innovation point of the scheme and is not described herein.
As shown in fig. 1 and 4, the housing 320 is enclosed around the guide cylinder 115 and has a shape matching the shape of the support cylinder 110, the guide cylinder 115 is located in the limiting groove 330, and the elastic member 500 is preferably disposed between the top surface of the guide cylinder 115 and the bottom surface 331 of the limiting groove 330, the elastic member 500 may be a spring or a plurality of elastic pieces or other elastic pieces having elastic force, so that when the milling cutter driving seat 300 is pressed downward and moved toward the chassis 120, the elastic member 500 is compressed and stored, and when the milling cutter driving seat 300 is unloaded by an external force, the elastic member 500 restores to release the stored energy and drives the milling cutter driving seat 300 to move away from the chassis 120. Of course, in other embodiments, the elastic member 500 may be disposed at other possible positions, such as between the bottom of the inner sleeve 310 and the bottom plate 120.
In addition, in order to ensure the position stability when the base 100 and the milling cutter driving seat 300 move relatively, as shown in fig. 5 and fig. 6, the outer wall of the inner sleeve 310 has a plurality of guide bars 311 extending along the extending direction thereof, preferably, the number of the guide bars 311 is three and they are uniformly distributed on the periphery of the inner sleeve 310, the bottom of the guide bar 311 is provided with a screw hole 312 for connecting other components, the inner wall of the support cylinder 110 of the base 100 is formed with a guide groove 116 matching with the guide bar 311, and the inner wall of the support cylinder 110 is also formed with a plurality of grooves 117 parallel to the extending direction of the guide groove 116, so that the structure can be strengthened.
When the electric wood milling machine with the above structure is used, if the downward pressure applied to the milling cutter driving seat 300 is stopped, the milling cutter driving seat is reset under the reaction of the elastic member 500, so that the milling cutter on the spindle 340 cannot extend out of the base 100 to work, therefore, a certain structure is required to enable the milling cutter on the spindle 340 to be fixed in position after extending out of the base 100, so that the manual downward pressure applied to the milling cutter driving seat 300 is not required to be continuously applied, and therefore, as shown in fig. 1, the electric wood milling machine further comprises a pressing type locking mechanism 700.
As shown in fig. 1, the pressing type locking mechanism 700 can apply a pressure to the milling cutter driving seat 300 to overcome the energy released by the elastic member 500 to limit the milling cutter driving seat 300 to a fixed working height, and preferably, the pressing type locking mechanism 700 can not limit the movement of the milling cutter driving seat 300 under the action of a force F perpendicular to the axis 370 of the milling cutter driving seat 300 and toward the axis 370, i.e. the milling cutter driving seat 300 can move up and down relative to the base 100; in the state of being free from the force F, the push type locking mechanism 700 limits the axial movement of the milling cutter driving seat 300 and limits the milling cutter driving seat 300 to a fixed height.
In a specific embodiment, as shown in fig. 7, the pressing type locking mechanism 700 includes a button 710 disposed on the milling cutter driving seat 300 and capable of reciprocating in a direction perpendicular to the axis 370 of the milling cutter driving seat 300, and an outer end surface 712 of the button 710 has a set of elongated slots 713 to increase friction, thereby facilitating the pressing operation. The button 710 is movably defined in a positioning slot 760 formed in an outer wall of the router bit drive housing 300, the positioning slot 760 preferably being formed at a lower end of the outer wall of the router bit drive housing 300. The longitudinal section of the button 710 is E-shaped, a spring 720 is sleeved on the periphery of the central rod 711, one end of the spring 720 is fixed or abutted against the button 710, the other end of the spring 720 is fixed or abutted against the bottom of the positioning groove 760, when the spring 720 is abutted against the button 710 and the positioning groove 760, the button 710 cannot be separated from the positioning groove 760, and the separation-preventing structure is known in the art and is not described in detail.
As shown in fig. 7, a locking rod 730 extending along the moving direction of the button 710 is coaxially connected to the central rod 711 of the button 710, the locking rod 730 and the central rod 711 may be connected by a threaded connection, an interference fit connection, or a snap connection or a welding connection, and preferably, the locking rod 730 is rotatable with respect to the central rod 711. Of course, in other embodiments, the button 710 is not required, and the locking lever 730 is directly connected to the spring 720. The locking rod 730 passes through the housing 320 of the milling cutter driving seat 300 and the supporting cylinder 110 of the base 100, the section of the part 731 of the supporting cylinder 110 is non-circular, the part 731 is fixed with a locking block 740, the locking block 740 is partially or completely embedded into a clamping groove 750 on the inner wall of the supporting cylinder 110 of the base when the button 710 is not pressed by the force F, the locking block 740 is withdrawn from the clamping groove 750 when the button 710 is pressed by the force F, and the clamping groove 750 at least comprises a part which is not parallel to the axis of the milling cutter driving seat 300, such as a cross-shaped groove, a straight groove parallel to the bottom surface of the base plate, or a straight chute.
Specifically, as shown in fig. 8, when the locking groove 750 is an arc-shaped groove matching with the wall of the support cylinder 110, the locking block 740 is integrally arc-shaped, the locking block 740 includes a main body 741 connected to the locking lever 730 and a protrusion 742 located on at least one side of the main body 741, preferably, the protrusion 742 is symmetrically disposed on two sides of the main body 741, the protrusion 742 can be inserted into the arc-shaped groove, so that the locking block 740 is restricted by the locking groove 750 and cannot move, and since the locking block 740 is integrally assembled with the milling cutter driving seat 300, the milling cutter driving seat 300 cannot move relative to the base 100, so that the milling cutter thereon is fixed at a set height. Of course, in other embodiments, when the locking slot 750 is a straight slot or a slanted slot, the locking block 740 may be designed to have a corresponding shape.
In addition, in order to facilitate assembly and prevent the locking block 740 from being withdrawn from the inside to the outside of the support cylinder 110, as shown in fig. 9 and 10, a contour hole 770 through which the locking block 740 passes and which matches the contour of the locking block 740 is formed on the support cylinder 110, so that the locking block 740 can pass directly through the contour hole 770 along with the locking lever 730. In addition, as shown in fig. 8, a plane 743 is cut at a side wall of a main body 741 of the locking block 740, a pad 780 is disposed at a bottom of the contour hole 770, and the pad 780 is fixed at a bottom of the inner sleeve 310 by a disk and ascends and descends synchronously with the inner sleeve 310. As shown in fig. 10, a distance L between the pad 780 and the top of the contour hole 770 is smaller than a height H of the locking block 740, so that when the locking block 740 is installed, the plane 743 of the main body 741 faces the pad 780 (the plane 743 faces downward), so that the locking block 740 can pass through the contour hole 770, and after the locking block 740 passes through the contour hole 770, the locking lever 730 is rotated, so that the plane 743 of the main body 741 no longer faces the pad 780, preferably faces away from the pad 780 (the plane 743 faces upward), so that the main body 741 can be effectively prevented from withdrawing from the contour hole 770, and the button 710 can be further restricted.
In the above embodiment, the button type locking mechanism 700 can fix the milling cutter at only one working height, which is inconvenient for practical use, and thus, the working height of the milling cutter needs to be adjustable, and therefore, in a more preferred embodiment, as shown in fig. 7 and 9, the plurality of catching grooves 750 are formed with a height difference, and the support cylinder 110 is formed with a rectangular through hole 790 dividing the plurality of catching grooves 750 into two parts, and the rectangular through hole 790 is used for moving the locking lever 730 up and down while the main body 741 of the locking block 740 can be retracted.
Of course, in order to reduce the distance between the locking grooves 750, achieve stepless adjustment or increase the adjustable height as much as possible, so that the locking grooves 750 are changed into a tooth-shaped structure extending from bottom to top formed on the inner wall of the supporting cylinder 110, and correspondingly, the locking block 740 is provided with locking teeth corresponding to the saw-tooth shape, and locking is achieved when the locking teeth of the locking block 740 are engaged with the teeth of the supporting cylinder 110.
Further, when the milling cutter is attached to and detached from the spindle 340, the spindle 340 needs to be kept in a state where it cannot rotate. Therefore, in a more preferred embodiment, when the locking rod 730 is subjected to a force F, the locking rod 730 can be embedded in the spindle of the milling cutter driving seat 300 or the locking rod 730 can exert a certain pressure on the side wall of the spindle 340, so that the locking rod 730 cannot rotate. When the embedding manner is adopted, as shown in fig. 1, a hole for the locking rod 730 to pass through is formed on the inner sleeve, an installation space 341 (a hole or a groove) corresponding to the locking rod 730 is formed on the main shaft 340, and the length of the locking rod 730 is satisfied, when the button is not subjected to external pressure F, the inner end of the button keeps a gap with the main shaft 340, and does not act on the main shaft 340; when the button is pressed by an external pressure F, the locking lever 730 is inserted into the installation space 341. Further preferably, when the locking rod 730 is not subjected to the external force F, the distance between the inner end of the locking rod and the spindle 340 is greater than the thickness of the locking block, so that the height of the milling cutter driving seat can be adjusted without affecting the operation of the spindle 340, and in order to facilitate precise control, corresponding scale lines can be formed on the side wall of the button to precisely mark the pressing stroke of the button.
In the above structure, an external motor is required to drive the spindle to rotate, and preferably, the milling cutter driving base 300 and a body structure with a motor in an electric tool capable of exchanging working heads with different functions are used to drive the spindle 340 in the milling cutter driving base 300 to rotate, for example, the milling cutter driving base 300 and the body structure driving the same have a structure disclosed in U.S. Pat. No. US6176322B 1.
Of course, in other embodiments, other structures may be adopted, for example, as shown in fig. 11 and 12, a connector 350 for connecting an external driving mechanism by a torque transmission is provided at the upper end of the inner sleeve 310 or the outer sleeve 320, and the connector 350 is preferably screwed with the inner sleeve 310 or the outer sleeve 320. And, the bottom surface of the connecting head 350 is formed with a ring groove 354, and the inner sleeve 310 or the outer cover 320 is formed with a ring-shaped platform 313 corresponding to the ring groove.
As shown in fig. 11 and 12, the coupling head 350 is formed with an insertion groove 355 for connecting an external driving structure, and the cross-sectional shape of the insertion groove 355 may be circular, oval, square, etc., and preferably has a positioning groove 353 with a concave side wall formed thereon, so that a certain guiding and positioning can be performed. A transmission shaft 356 is coaxially and rotatably disposed in the connector 350, the transmission shaft 356 is self-rotated by a bearing 357 fixed in the connector 350, one end of the transmission shaft 356 is in transmission connection with the main shaft 340, and the other end of the transmission shaft 356 is in transmission connection with a motor. In addition, a clamping boss 351 close to the opening end of the insertion groove 355 is formed on the side wall of the connecting head 350, and an inclined surface 352 is formed on the side surface of the clamping boss 351. Thus, the connector 350 may work with a structure similar to that disclosed in application number 201310692291.0.
The scheme further discloses a using method of the electric wood milling machine, which at least comprises the following steps:
s1, providing the electric wood milling machine in the embodiment;
s2, the button 710 is pressed, the button 710 moves toward the spindle 340, the locking lever 730 moves toward the spindle 340 in synchronization and the inner end of the locking lever 730 is inserted into the mounting space 341 on the spindle 340, so that the spindle 340 is locked by the locking lever 730, and at this time, the milling cutter can be mounted on the lower end of the spindle 341.
And S3, keeping the button pressed, driving the locking block 740 to withdraw from the clamping groove 750 in which the locking rod 730 is located in the moving process, wherein at the moment, the up-and-down movement of the milling cutter driving seat 300 is not limited by the clamping groove 750 any more, so that the milling cutter driving seat can be pressed to move downwards, or the milling cutter driving seat can be moved upwards to enable the milling cutter to reach the set working height, then the button 710 is released, the button 710 is reset under the action of the spring 720, and the locking rod 730 and the locking block 740 thereon are reset, and the reset locking block is re-embedded into the clamping groove 750 at the corresponding height, thereby realizing the adjustment and fixation of the working height of the milling cutter.
After the adjustment is completed, the milling cutter driving seat can be connected with the machine body of the multi-head electric tool or connected with a motor arranged on the mobile device. Of course, the operations of the above-mentioned steps S2 and S3 are not limited to a specific order, and each step is also necessary, and for example, only the step S2 may be performed for the replacement of the milling cutter, or only the step S3 may be performed for the height adjustment of the milling cutter.
The utility model has a plurality of implementation modes, and all technical schemes formed by adopting equivalent transformation or equivalent transformation all fall within the protection scope of the utility model.
Claims (10)
1. According to lock axle formula bakelite mill, its characterized in that: the milling cutter locking mechanism comprises a base (100), a milling cutter driving seat (300), an elastic piece (500) and a pressing type locking mechanism (700), wherein the base (100) and the milling cutter driving seat (300) are nested and can relatively and axially move, the elastic piece (500) drives the milling cutter driving seat (300) to reset after being moved by external pressure, and the pressing type locking mechanism (700) limits the rotation of a spindle (340) on the milling cutter driving seat (300) under the action of a force F which is perpendicular to an axis (370) of the milling cutter driving seat (300) and faces the axis (370); the push type locking mechanism (700) is not in contact with the main shaft (340) in the state of not receiving the force F.
2. The push lock shaft type electric wood milling machine according to claim 1, wherein: the push type locking mechanism (700) comprises a locking rod (730), the locking rod (730) extends along the direction perpendicular to the axis (370) of the milling cutter driving seat (300) and can move back and forth along the direction, the locking rod (730) can be embedded into the spindle (340) or exert pressure on the outer wall of the spindle (340) when a force F is applied, and the locking rod (730) and the spindle (340) keep a gap when the force F is not applied.
3. The push lock shaft type electric wood milling machine according to claim 2, wherein: the locking device is characterized in that a locking block (740) is fixed on the locking rod (730), when the locking rod (730) is not stressed by F, the locking block (740) is partially or completely embedded into a clamping groove (750) in the inner wall of the supporting cylinder (110) of the base, and when the locking rod (730) is stressed by F, the locking block (740) retreats from the clamping groove (750).
4. The push lock shaft type electric wood milling machine according to claim 3, wherein: when the locking rod is not stressed by the force F, the distance between the inner end of the locking rod and the main shaft is larger than the thickness of the locking block (740).
5. The push lock shaft type electric wood milling machine according to claim 3, wherein: the clamping grooves (750) are multiple and have height difference, and rectangular through holes for dividing the clamping grooves (750) into two parts are formed in the supporting cylinder (110).
6. The push lock shaft type electric wood milling machine according to claim 3, wherein: an imitated hole for the locking block (740) to pass through is formed in the supporting cylinder (110), a cushion block (900) is arranged at the bottom of the imitated hole, and the distance L between the cushion block (900) and the top of the imitated hole is smaller than the height H of the locking block (740).
7. The push lock shaft type electric wood milling machine according to any one of claims 1 to 6, wherein: the spindle is arranged in an inner sleeve (310) of a milling cutter driving seat (300) in a rotatable and coaxial mode, the inner sleeve (310) and an outer cover (320) arranged on the periphery of the inner sleeve form a limiting groove (330), and the elastic piece (500) is located in the limiting groove (330).
8. The push lock shaft type electric wood milling machine according to claim 7, wherein: the outer wall of the inner sleeve (310) is provided with a plurality of guide strips (311) extending along the extending direction of the inner sleeve, and the inner wall of the supporting cylinder (110) of the base (100) is provided with guide grooves matched with the guide strips (311).
9. The push lock shaft type electric wood milling machine according to any one of claims 1 to 6, wherein: the milling cutter drive seat (300) comprises a connector (350) for connecting a torque transmission with an external drive mechanism.
10. The push lock shaft type electric wood milling machine according to claim 9, wherein: the side wall of the connector (350) is provided with an inwards concave positioning groove (353).
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111469221A (en) * | 2020-05-15 | 2020-07-31 | 浙江德硕电器有限公司 | Electric wood milling machine and using method thereof |
CN114274287A (en) * | 2021-12-23 | 2022-04-05 | 浙江金一电动工具有限公司 | Bakelite mills guard shield assembly structure |
-
2020
- 2020-05-15 CN CN202020808982.8U patent/CN212763909U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111469221A (en) * | 2020-05-15 | 2020-07-31 | 浙江德硕电器有限公司 | Electric wood milling machine and using method thereof |
CN114274287A (en) * | 2021-12-23 | 2022-04-05 | 浙江金一电动工具有限公司 | Bakelite mills guard shield assembly structure |
CN114274287B (en) * | 2021-12-23 | 2022-12-20 | 浙江金一电动工具有限公司 | Bakelite mills guard shield assembly structure |
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Address after: No. 111, South Jingui Road, Chengxi New District, Yongkang City, Jinhua City, Zhejiang Province Patentee after: Zhejiang Deshuo Technology Co.,Ltd. Address before: No. 111, South Jingui Road, Chengxi New District, Yongkang City, Jinhua City, Zhejiang Province Patentee before: Zhejiang Deshuo Electric Appliance Co.,Ltd. |