CN216656491U - Flat-round-handle cutting tool capable of assisting in alignment - Google Patents
Flat-round-handle cutting tool capable of assisting in alignment Download PDFInfo
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- CN216656491U CN216656491U CN202123215537.4U CN202123215537U CN216656491U CN 216656491 U CN216656491 U CN 216656491U CN 202123215537 U CN202123215537 U CN 202123215537U CN 216656491 U CN216656491 U CN 216656491U
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Abstract
The utility model discloses a flat round handle cutting tool capable of assisting in alignment, which comprises: the cutting tool is characterized by a tool shank body and a round shank, and the cutting tool is provided with a tool bar; the front end of the knife handle body is provided with an insertion hole for inserting the knife bar, and a first cutting plane for assisting alignment is formed on the peripheral wall of the knife bar; handle of a knife body in be equipped with elasticity alignment subassembly, elasticity alignment subassembly assembles in this internal first installation passageway that communicates in the jack of handle of a knife, elasticity alignment subassembly includes: the spring provides a force for ejecting the elastic telescopic pin to the jack; the end part of the elastic telescopic pin is provided with a first contact surface, the elastic telescopic pin acts on the first cutting plane, and the cutter bar rotates in the jack to be automatically aligned through the contact of the first contact surface and the self-adaptive surface between the first cutting plane. The center height of the tool tip is guaranteed, the tool tip can obtain the best centering cutting working condition, the cutting effect is exerted, and the service life of the tool is prolonged.
Description
Technical Field
The utility model relates to the technical field of milling cutters, in particular to a flat-shank cutting tool capable of assisting in alignment.
Background
A conventional tool for cutting an oblate shank includes: the front end of the cutter is provided with a blade, and the tail end of the cutter is inserted into the cutter handle and is locked and fixed through a locking screw. The cutter is arranged in the cutter handle, the cutter needs to be aligned relative to the angle of the cutter handle by rotating the cutter, the cutter is manually rotated by experience, the direction of the cutter is rotated to the direction suitable for the locking screw, the flat surface can not be completely and accurately perpendicular to the axis of the locking screw only by the direction positioned by experience, when only two locking screws are locked, the flat surface cannot be corrected, the center height of the cutter point cannot be guaranteed, the cutter point cannot obtain the optimal centering cutting working condition, the cutting effect cannot be exerted, and the service life of the cutter cannot meet the expectation.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a tool for cutting an oblate shank, which can assist in alignment.
In order to achieve the purpose, the utility model adopts the following technical scheme: a flat shank tool for assisting in alignment, comprising: the cutting tool is characterized by a tool shank body and a round shank, and the cutting tool is provided with a tool bar; the front end of the knife handle body is provided with an insertion hole for inserting the knife bar, and a first cutting plane for assisting alignment is formed on the peripheral wall of the knife bar; handle of a knife body in be equipped with elasticity alignment subassembly, elasticity alignment subassembly assembles in this internal first installation passageway that communicates in the jack of handle of a knife, elasticity alignment subassembly includes: the spring provides a force for ejecting the elastic telescopic pin to the jack; the end part of the elastic telescopic pin is provided with a first contact surface, the elastic telescopic pin acts on the first cutting plane, and the cutter bar rotates in the jack to be automatically aligned through the contact of the first contact surface and the self-adaptive surface between the first cutting plane.
In a further technical solution, the elastic alignment assembly further includes: an elastic force adjusting screw; the spring is sleeved on the elastic force adjusting screw; the elastic telescopic pin is arranged in a hollow mode, the front end of the elastic adjusting screw and the spring are inserted into the elastic telescopic pin, and the spring is limited between the nut of the elastic adjusting screw and the elastic telescopic pin.
In a further technical scheme, the first installation channel is structured into a convex hole and is provided with a first limiting wall, and the elastic telescopic pin is T-shaped and is matched with the elastic telescopic pin to limit the elastic telescopic pin to completely extend into the jack.
In a further technical scheme, a sealing ring is arranged on the circumferential surface of the elastic telescopic pin.
In a further technical scheme, a second cutting plane is arranged on the cutter bar; the cutter handle body is provided with a screw hole, and the cutter handle body is locked in the screw hole through a locking screw to be in close contact with the second cutting plane so as to lock the cutter bar in the insertion hole.
In a further technical scheme, the locking screws and the elastic alignment assembly are arranged in a vertically symmetrical mode.
In a further technical scheme, a hole wall groove is radially formed in the tool holder body along the insertion hole, a wedge block is assembled in the hole wall groove, and the second end face, contacting with the tool bar, of the wedge block is an arc-shaped face.
In a further technical scheme, a concave platform is arranged on the first end surface of the wedge block; the locking screw penetrates through a screw hole of the tool holder body and is inserted into the concave table, and the force for tightly holding the tool bar by the wedge block is provided.
In a further technical scheme, the locking screws and the elastic alignment assembly are arranged in a vertically symmetrical manner; the second end surface of the wedge block forms a central angle alpha, and the alpha is more than or equal to 20 degrees and less than 180 degrees.
In a further technical scheme, the moving direction of the elastic alignment assembly is perpendicular to the direction of the cutter bar inserted into the insertion hole.
According to the technical scheme, compared with the prior art, the utility model has the following beneficial technical effects:
according to the utility model, the elastic alignment component is arranged in the tool handle body, so that the tool rod can be assisted to rotate and automatically align in the insertion hole after being inserted into the insertion hole, the center height of the tool tip is ensured, the tool tip can obtain the best centering cutting working condition, the cutting effect is exerted, and the service life of the tool is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is an exploded view of example 1 of the present invention;
FIG. 3 is a cross-sectional view of example 1 of the present invention;
FIG. 4 is a cross-sectional exploded view of example 1 of the present invention;
FIG. 5 is a schematic structural view of example 2 of the present invention;
FIG. 6 is an exploded view of example 2 of the present invention;
FIG. 7 is a sectional view of example 2 of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Example 1:
a flat shank tool with alignment assistance, as shown in fig. 1-4, comprising: the tool holder comprises a tool holder body 100 and a cutting tool 200, wherein one end of the cutting tool 200 is a tool bar 210, and the other end is a cutting part which is a blade 220 in the embodiment; the front end of the knife handle body 100 is provided with an insertion hole 101 for inserting a knife bar 210, and the peripheral wall of the knife bar 210 is provided with a first cutting plane 211 for assisting alignment; the utility model has the protection points that: an elastic alignment assembly 300 is arranged in the tool shank body 100, and the tool bar 210 is pushed by the elastic alignment assembly 300 to rotate and align in the insertion hole 101, so that the first cutting plane 211 is perpendicular to the axis of the locking screw 400, the center height of the tool tip of the blade 220 is ensured, and the cutting effect is ensured.
Specifically, the elastic alignment assembly 300 is assembled in the first installation channel 110 communicating with the insertion hole 101 in the tool holder body 100, the first installation channel 110 is perpendicular to the insertion hole 101, and the moving direction of the elastic alignment assembly 300 is perpendicular to the direction in which the tool bar 210 is inserted into the insertion hole 101.
The resilient alignment assembly 300 includes: an elastic expansion pin 310, a spring 320 and an elastic force adjusting screw 330.
The elastic force adjusting screw 330 is installed in the first installation channel 110, the spring 320 is sleeved on the elastic force adjusting screw 330, the elastic telescopic pin 310 is hollow, the front end of the elastic force adjusting screw 330 and the spring 320 are inserted into the elastic telescopic pin 310, and the spring 320 is limited between the nut 331 of the elastic force adjusting screw 330 and the elastic telescopic pin 310;
the first installation channel 110 is configured as a convex hole and is provided with a first limiting wall 111, the elastic telescopic pin 310 is T-shaped and is matched with the elastic telescopic pin 310 to limit the elastic telescopic pin 310 to completely extend into the jack 101; then, the depth of the elastic force adjusting screw 330 screwed into the first mounting channel 110 is different, so that the spring 320 provides different amounts of elastic force to the elastic telescopic pin 310.
The spring 320 provides a force for ejecting the elastic retractable pin 310 towards the insertion hole 101, the open end of the elastic retractable pin 310 extends into the insertion hole 101, and the end of the elastic retractable pin 310 has a first contact surface 311, and the first contact surface 311 is in surface contact with the first truncated plane 211.
As shown in the orientation shown in fig. 3, after the tool bar 210 is inserted into the insertion hole 101, when the first truncated plane 211 is horizontally disposed, it is defined that the tool bar 210 is correctly aligned; in fact, after the tool bar 210 is inserted into the insertion hole 101, it is impossible to visually observe whether the first cutting plane 211 is horizontally arranged at the end, that is, whether the tool bar 210 is correctly aligned, if the first cutting plane 211 is not correctly aligned, the blade 220 on the tool bar 210 is affected, and the center height of the tool tip cannot be guaranteed;
at this time, in the technology, the elastic alignment assembly 300 is arranged in the tool shank body 100, and thrust is applied to the first cutting plane 211 through the elastic telescopic pin 310, so that the first contact surface 311 is in surface contact with the first cutting plane 211, and alignment can be assisted;
such as: when the cutter bar 210 is inserted into the insertion hole 101, the first cutting plane 211 is not horizontally arranged, under the thrust action of the elastic alignment assembly 300, the first contact surface 311 is in surface contact with the first cutting plane 211, so that the cutter bar 210 rotates in the insertion hole 101, the first cutting plane 211 is horizontal, the cutter bar 210 is automatically aligned, accurate installation is achieved, the center height of a cutter point is guaranteed, the cutter bar is favorable for obtaining the best cutting state, and the normal effect of the cutter is exerted.
The cutter bar 210 is provided with a second plane 212, the first plane 211 and the second plane 212 are distributed up and down, the cutter handle body 100 is provided with a screw hole 102, and the cutter bar 210 is locked in the insertion hole 101 by locking a locking screw 400 in the screw hole 102 and tightly contacting the second plane 212.
After the cutter bar 210 is automatically aligned, the locking screw 400 is conveniently contacted and locked with the second plane 212, and the locking effect is better.
Further, a sealing ring 340 is disposed on the circumferential surface of the elastic telescopic pin 310.
Further, the locking screw 400 and the elastic alignment assembly 300 are symmetrically arranged up and down.
Further, the outer peripheral wall of the first contact surface 311 of the elastic telescopic pin 310 is provided with a chamfer, since the front end of the elastic telescopic pin 310 extends into the insertion hole 101, the elastic telescopic pin 310 is pushed to move inwards in the process that the cutter bar 210 is inserted into the insertion hole 201, and then the elastic telescopic pin 310 provides a reaction force for the cutter bar 210, and the magnitude of the reaction force is provided by the spring 320; the chamfer provided on the outer peripheral wall of the first contact surface 311 enables the elastic telescopic pin 310 to be easily triggered to move inwards by the cutter bar 210;
the magnitude of the elastic force provided by the spring 320 is also related to the depth of the elastic force adjusting screw 330 screwed into the first mounting channel 110, and the larger the screwing depth of the elastic force adjusting screw 330 is, the larger the elastic force provided by the spring 320 to the elastic expansion pin 310 is.
The elastic retractable pin 310 provides a reaction force to the tool bar 210, so that the tool bar 210 rotates in the insertion hole 101 in a self-adaptive manner, and the first contact surface 311 is in surface contact with the first truncated plane 211, thereby achieving automatic alignment.
After the cutter bar 210 is inserted into the self-alignment, the cutter bar 210 is locked in the insertion hole 101 by the locking screw 400.
Further, the elastic alignment assembly 300 is provided with two sets, and the locking screws 400 are provided with two sets, and the number of the locking screws can be adjusted differently according to different models.
Example 2:
the structure and principle of the elastic alignment assembly 300 of embodiment 2 and embodiment 1 for pushing the tool bar 210 to automatically align in the insertion hole 101 are the same, but the difference between embodiment 2 and embodiment 1 is that: the locking of the holder body 100 in embodiment 2 is performed by the locking screw 400 engaged with the wedge 500, whereas the holder body 100 in embodiment 1 is only locked by the locking screw 400.
Referring to fig. 5-7, a hole wall groove 103 is radially formed in the tool shank body 100 along the insertion hole 101, a wedge 500 is assembled in the hole wall groove 103, a second end surface 502 of the wedge 500 contacting with the tool bar 210 is an arc surface, and can contact with the tool bar 210 in a large area and tightly hold the tool bar 210 to a certain extent.
The insertion holes 101 and the hole wall recesses 103 are both formed from the front end to the rear end of the tool holder body 100 and penetrate through the front end of the tool holder body 100, so that the tool bar 210 and the wedge 500 can be inserted from the front end of the tool holder body 100 during installation.
A concave table 510 is arranged on the first end surface 501 of the wedge 500; locking screw 400 is inserted into recessed table 510 through screw hole 102 of tool shank body 100, wedge 500 is used for matching with locking tool bar 210, and wedge 500 is pressed onto tool bar 210 through locking screw 400, so that tool bar 210 is locked in insertion hole 101.
Further, the locking screw 400 and the elastic alignment assembly 300 are arranged up and down symmetrically; the second end surface 502 of the wedge 500 forms a central angle alpha which is more than or equal to 20 degrees and less than 180 degrees, and the central angle alpha is preferably one of 30 degrees, 60 degrees, 90 degrees and 120 degrees and can hold the cutter bar 210 tightly.
Further, the depth of the insertion hole 101 is greater than the depth of the hole wall recess 103, and then the insertion depth of the tool holder 210 is greater than the depth of the wedge 500, so as to ensure that the second end surface 502 of the wedge 500 can be in sufficient contact with the tool holder 210.
The installation steps of the product are further described below:
firstly, the wedge 500 is inserted and installed in the groove 103 of the hole wall, the fingers of a user extend into the insertion hole 101 to support the wedge 500, the locking screw 400 is rotated, the locking screw 400 penetrates through the screw hole 101, the front end of the locking screw 400 falls into the concave table 310 at the top of the wedge 500, at the moment, locking is not performed, the wedge 500 is only limited not to slide out from the front end, and the radius formed by the second end surface 502 of the wedge 500 and the axis of the tool holder body 100 can be kept larger than the radius of the insertion hole 101, so that the tool bar 210 can be conveniently inserted;
then, the cutter bar 210 is inserted into the insertion hole 101, and in the process that the cutter bar 210 is inserted into the insertion hole 201, the elastic telescopic pin 310 is pushed to move inwards, so that the elastic telescopic pin 310 provides a reaction force for the cutter bar 210, and the cutter bar 210 is assisted to align automatically;
finally, after the cutter bar 210 is aligned, two locking screws 400 are locked, the wedge 500 is pressed down to be in surface contact with the cutter bar 210 and clasp the cutter bar 210 until the cutter bar 210 is locked in the insertion hole 101.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A flat shank tool for assisting in alignment, comprising: the cutter comprises a cutter handle body (100) and a cutting tool (200) characterized by a round handle, wherein one end of the cutting tool (200) is a cutter bar (210); handle of a knife body (100) front end forms jack (101) that supply cutter arbor (210) male, its characterized in that:
a first cutting plane (211) for assisting alignment is formed on the peripheral wall of the cutter bar (210);
handle of a knife body (100) in be equipped with elasticity alignment subassembly (300), elasticity alignment subassembly (300) assemble in handle of a knife body (100) in the first installation passageway (110) of intercommunication in jack (101), elasticity alignment subassembly (300) include: the elastic telescopic pin (310) and the spring (320), wherein the spring (320) provides a force for the elastic telescopic pin (310) to pop out of the jack (101); the end part of the elastic telescopic pin (310) is provided with a first contact surface (311), the elastic telescopic pin (310) acts on the first plane cutting surface (211), and the cutter bar (210) rotates in the insertion hole (101) to be automatically aligned through the self-adaptive surface contact between the first contact surface (311) and the first plane cutting surface (211).
2. The tool for turning oblate stems with the assistance of alignment as claimed in claim 1, wherein: the elastic alignment assembly (300) further comprises: an elastic force adjusting screw (330); the spring (320) is sleeved on the elastic force adjusting screw (330); the elastic telescopic pin (310) is arranged in a hollow mode, the front end of the elastic adjusting screw (330) and the spring (320) are inserted into the elastic telescopic pin (310), and the spring (320) is limited between the nut (331) of the elastic adjusting screw (330) and the elastic telescopic pin (310).
3. The tool for turning flat round shanks with the assistance of alignment as claimed in claim 2, wherein: the first installation channel (110) is constructed into a convex hole and is provided with a first limiting wall (111), the elastic telescopic pin (310) is T-shaped, and the elastic telescopic pin (310) is limited to completely extend into the jack (101) in a matching mode.
4. The tool for turning flat round shanks with the assistance of alignment as claimed in claim 2, wherein: the circumferential surface of the elastic telescopic pin (310) is provided with a sealing ring (340).
5. A tool for milling flat round shanks with the assistance of alignment according to any one of claims 1 to 4, characterised in that: a second cutting plane (212) is arranged on the cutter bar (210); the cutter handle is characterized in that the cutter handle body (100) is provided with a screw hole (102), and the cutter handle is locked in the screw hole (102) through a locking screw (400) and tightly contacted with the second cutting plane (212) so as to lock the cutter bar (210) in the insertion hole (101).
6. The tool for turning flat round shanks with the assistance of alignment as claimed in claim 5, wherein: the locking screw (400) and the elastic alignment assembly (300) are arranged in an up-and-down symmetrical mode.
7. A tool for milling flat round shanks with the assistance of alignment according to any one of claims 1 to 4, characterised in that: a hole wall groove (103) is radially formed in the tool shank body (100) along the insertion hole (101), a wedge block (500) is assembled in the hole wall groove (103), and a second end face (502) of the wedge block (500) in contact with the tool shank (210) is an arc-shaped face.
8. The tool for turning flat round shanks with the assistance of alignment as claimed in claim 7, wherein: a concave platform (510) is arranged on the first end surface (501) of the wedge block (500); the locking screw (400) penetrates through the screw hole (102) of the tool handle body (100) and is inserted into the concave table (510), and the locking screw (400) provides force for the wedge block (500) to clamp the tool bar (210).
9. The tool of claim 8, wherein the tool comprises: the locking screw (400) and the elastic alignment assembly (300) are arranged in an up-and-down symmetrical manner; the second end surface (502) of the wedge block (500) forms a central angle alpha, and the alpha is more than or equal to 20 degrees and less than 180 degrees.
10. The tool for turning oblate stems with the assistance of alignment as claimed in claim 1, wherein: the moving direction of the elastic alignment assembly (300) is perpendicular to the direction of the cutter bar (210) inserted into the insertion hole (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123215537.4U CN216656491U (en) | 2021-12-17 | 2021-12-17 | Flat-round-handle cutting tool capable of assisting in alignment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123215537.4U CN216656491U (en) | 2021-12-17 | 2021-12-17 | Flat-round-handle cutting tool capable of assisting in alignment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216656491U true CN216656491U (en) | 2022-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123215537.4U Active CN216656491U (en) | 2021-12-17 | 2021-12-17 | Flat-round-handle cutting tool capable of assisting in alignment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216656491U (en) |
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2021
- 2021-12-17 CN CN202123215537.4U patent/CN216656491U/en active Active
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