CN217727179U - Connecting cutter bar for cutter extension and cutting cutter - Google Patents
Connecting cutter bar for cutter extension and cutting cutter Download PDFInfo
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- CN217727179U CN217727179U CN202221650282.6U CN202221650282U CN217727179U CN 217727179 U CN217727179 U CN 217727179U CN 202221650282 U CN202221650282 U CN 202221650282U CN 217727179 U CN217727179 U CN 217727179U
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- lamella formula
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Abstract
The utility model discloses a cutter extension is with connecting cutter arbor and cutting sword, including the connecting rod, the one end of connecting rod is lamella formula link, the other end be formed with lamella formula link assorted lamella formula connecting hole, the axle center of connecting rod is provided with one and runs through the shaft hole of lamella formula link and lamella formula connecting hole, the shaft hole with the junction of lamella formula connecting hole is provided with a connecting screw, the shaft hole with the connecting screw phase-match. The utility model discloses design assorted lamella formula link and lamella formula connecting hole with the both ends of connecting rod for two liang of connecting rods can link to each other, and through the lamella formula structure of petal form, make when using, form the face contact between lamella formula link and the lamella formula connecting hole, improve the connection precision, thereby ensure that the moment of torsion transmission of the junction of connecting rod is lossless, reduce power loss, and improve the machining precision.
Description
Technical Field
The utility model relates to a metal cutting tool technical field specifically relates to a cutter extension is with connecting cutter arbor and cutting sword.
Background
In practical use, because of the difference in the structure of the workpiece to be machined and the depth of the workpiece to be machined, even the same insert needs to be provided with different tool holders for convenience in use. However, in use, a plurality of cutters are worn at any time, which makes the movement very inconvenient, and the cutters with different lengths need to be prepared, which increases the processing cost. Therefore, if the adjustable length between the cutter head and the cutter rod can be freely set, the practical use is very convenient. In practical use, the stability of the cutter is a key factor of the machining precision of the cutter head, and if the operation consistency between the cutter rod and the cutter blade cannot be guaranteed, machining errors can be easily generated, so that the machining precision cannot reach the standard.
Therefore, how to ensure the stability of the adjusting length of the cutter is a problem which needs to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects existing in the prior art and providing a connecting cutter bar and a cutting cutter for cutter extension.
The purpose of the utility model is realized through the following technical scheme:
cutter extension is with connecting cutter arbor, including the connecting rod, the one end of connecting rod is lamella formula link, the other end be formed with lamella formula link assorted lamella formula connecting hole, the axle center of connecting rod is provided with one and runs through the shaft hole of lamella formula link and lamella formula connecting hole, the shaft hole with the junction of lamella formula connecting hole is provided with a connecting screw, the shaft hole with the connecting screw phase-match.
Preferably, the outline of lamella formula link includes a set of arcwall face, the arcwall face for shaft hole circumference equipartition, just the petal form that the arcwall face links to each other through an interior concave surface between two liang.
Preferably, the width of lamella formula link outwards dwindles gradually along its extending direction, forms the taper in the axial direction, the inner wall of lamella formula connecting hole with the outer wall phase-match of lamella formula link.
Preferably, the inside of connecting rod be provided with one with the draw-in groove that shaft hole, lamella formula connecting hole are linked together, the connecting screw card is located in the draw-in groove, the draw-in groove with the junction of lamella formula connecting hole is provided with one and presses the cap, press the cap with the connecting screw spiro union.
Preferably, a group of grooves is arranged on the outer side wall of the connecting rod.
The cutting knife comprises a knife head and a knife handle, the knife head and the knife handle are connected through an extension rod, the extension rod is composed of a group of connection knife rods for knife extension, the connection rods are sequentially connected end to end, the petal type connection ends are embedded in the petal type connection holes, surface contact is formed between the connection rods and the petal type connection holes, the connection screws are in threaded connection with the shaft holes, and the connection rods are connected into a whole in a pairwise mode.
The beneficial effects of the utility model are mainly embodied in that:
1. the two ends of the connecting rod are designed into the petal type connecting end and the petal type connecting hole which are matched, so that the connecting rod can be connected in pairs, and the petal type connecting end and the petal type connecting hole form surface contact when in use through the petal type structure, so that the connecting precision is improved, the torque transmission at the connecting part of the connecting rod is ensured to be lossless, the power loss is reduced, and the processing precision is improved;
2. the petal type connecting ends form a taper shape in the axial direction, so that taper fit is realized between the petal type connecting ends and the petal type connecting holes, no gap is formed at the connecting position of the petal type connecting ends and the petal type connecting holes, and the connecting precision is improved to the maximum extent.
Drawings
The technical scheme of the utility model is further explained by combining the attached drawings as follows:
FIG. 1: schematic view of an embodiment of the present invention;
FIG. 2 is a schematic diagram: the embodiment of the utility model provides an explosion sectional view;
FIG. 3: a cross-sectional view of another angle of the embodiment of the present invention;
FIG. 4 is a schematic view of: the embodiment of the utility model is a schematic diagram of a petal type connecting end;
FIG. 5 is a schematic view of: the embodiment of the utility model provides an in the schematic diagram of lamella formula connecting hole.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not limited to the present invention, and structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the scope of the present invention.
In the description of the schemes, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., 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 particular orientation, be constructed and operated in a particular orientation, 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.
As shown in fig. 1 to 5, the utility model discloses a cutter extension is with connecting cutter arbor, including connecting rod 1, the one end of connecting rod 1 is lamella formula link 101, the other end be formed with lamella formula link 101 assorted lamella formula connecting hole 102, the axle center of connecting rod 1 is provided with one and runs through the shaft hole 103 of lamella formula link 101 and lamella formula connecting hole 102, shaft hole 103 with the junction of lamella formula connecting hole 102 is provided with a connecting screw 2, shaft hole 103 with connecting screw 2 phase-match.
The utility model discloses will assorted petal formula link 101 and petal formula connecting hole 102 are designed into at the both ends of connecting rod 1, make connecting rod 1 can two liang of end to through the petal structure of petal form, make when using, form the face contact between petal formula link 101 and the petal formula connecting hole 102, improve the connection precision, thereby ensure the torque transmission of the junction of connecting rod 1 is lossless, reduces power loss to improve the machining precision.
Specifically, as shown in fig. 4 and 5, the outer contour of the petal-shaped connecting end 101 includes a set of arc-shaped surfaces 1011, the arc-shaped surfaces 1011 are uniformly distributed with respect to the circumference of the shaft hole 103, and the arc-shaped surfaces 1011 are connected with each other by an inner concave surface 1012 to form a petal shape. In the illustrated embodiment, the flap-type connecting end 101 is formed by three arc-shaped surfaces 1011, the arc-shaped surfaces 1011 are preferably semicircular to facilitate processing, in other possible embodiments, the central angle of the arc-shaped surfaces 1011 may not be 180 °, and the arc-shaped surfaces 1011 may also be formed by more than 3 arc-shaped surfaces 1011.
As further shown in fig. 3, the width of the flap-type connecting end 101 gradually decreases outwards along the extending direction thereof, and forms a cone shape in the axial direction, and the inner wall of the flap-type connecting hole 102 matches with the outer wall of the flap-type connecting end 101. The petal type connecting end 101 forms a taper shape in the axial direction, so that the petal type connecting end 101 and the petal type connecting hole 102 are in taper fit, the gap at the connecting position when the petal type connecting end 101 and the petal type connecting hole are in surface contact is ensured, and the connecting precision is improved to the maximum extent.
The inside of connecting rod 1 be provided with one with shaft hole 103, the draw-in groove 104 that lamella formula connecting hole 102 is linked together, connecting screw 2 card is located in the draw-in groove 104, draw-in groove 104 with the junction of lamella formula connecting hole 102 is provided with one and presses cap 3, press cap 3 with connecting screw 2 spiro union. The pressing cap 3 is used for abutting against the petal type connecting end 101 when the petal type connecting end 101 is connected with the petal type connecting hole 102 so as to limit the position of the connecting screw 2, so that after the connecting screw 2 can be locked with the shaft hole 103, the pressing cap 3 limits the axial position of the connecting screw 2 and prevents the connecting screw 2 from moving in the axial direction.
In addition, be provided with a set of recess 105 on the lateral wall of connecting rod 1, recess 105 is relative the axis circumference equipartition of connecting rod 1 for when the installation, can increase the frictional force of connecting rod 1 lateral wall, so that the operator grips and carries out quick assembly disassembly.
The cross section of the connecting rod 1 in the preferred embodiment is preferably circular, and in other possible embodiments, the cross section of the connecting rod 1 may be other possible shapes, such as square, oval, polygon, etc.
Further, the utility model discloses a cutting sword, including tool bit and handle of a knife (not shown in the figure), connect through the extension rod between tool bit and the handle of a knife, the extension rod by a set of as above cutter extension constitute with connecting the cutter arbor, connecting rod 1 end to end in proper order, lamella formula link 101 inlays to be located in lamella formula connecting hole 102, form the face contact between the two, connecting screw 2 with shaft hole 103 spiro union makes 1 two liang of connecting rods link into an organic whole. The structure of connecting rod 1 makes the cutting sword need not to set up a plurality of handle of a knife that are long many, through increase or reduce between tool bit and the handle of a knife connecting rod 1's quantity reaches the purpose of interval between regulation tool bit and the handle of a knife, convenient and fast does benefit to the practicality.
The extension rod at least comprises one connecting rod 1, and can also comprise more than 1 connecting rod 1, and the specific number of the connecting rods 1 is set according to the length required to be extended.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (6)
1. Cutter extension is with connecting cutter arbor, its characterized in that: including connecting rod (1), the one end of connecting rod (1) is lamella formula link (101), the other end be formed with lamella formula link (101) assorted lamella formula connecting hole (102), the axle center of connecting rod (1) is provided with one and runs through shaft hole (103) of lamella formula link (101) and lamella formula connecting hole (102), shaft hole (103) with the junction of lamella formula connecting hole (102) is provided with a connecting screw (2), shaft hole (103) with connecting screw (2) phase-match.
2. The tool extension coupling bar as set forth in claim 1, wherein: the outer contour of the petal type connecting end (101) comprises a group of arc-shaped surfaces (1011), the arc-shaped surfaces (1011) are uniformly distributed on the circumference of the shaft hole (103), and the arc-shaped surfaces (1011) are connected through an inner concave surface (1012) to form petal shapes.
3. The tool extension coupling bar as set forth in claim 1, wherein: the width of lamella formula link (101) is outwards dwindled along its extending direction gradually, forms the taper in the axial direction, the inner wall of lamella formula connecting hole (102) with the outer wall phase-match of lamella formula link (101).
4. The tool extension coupling bar as set forth in claim 1, wherein: the connecting rod (1) is internally provided with a clamping groove (104) communicated with the shaft hole (103) and the petal type connecting hole (102), the connecting screw (2) is clamped in the clamping groove (104), a pressing cap (3) is arranged at the joint of the clamping groove (104) and the petal type connecting hole (102), and the pressing cap (3) is in threaded connection with the connecting screw (2).
5. The tool extension coupling bar as set forth in claim 1, wherein: the outer side wall of the connecting rod (1) is provided with a group of grooves (105).
6. A cutting blade characterized by: the tool comprises a tool bit and a tool handle, wherein the tool bit and the tool handle are connected through an extension rod, the extension rod is composed of a group of connecting tool bars for tool extension according to any one of claims 1 to 5, the connecting rod (1) is sequentially connected end to end, the petal-shaped connecting end (101) is embedded in the petal-shaped connecting hole (102), surface contact is formed between the petal-shaped connecting hole and the petal-shaped connecting hole, and the connecting screw (2) is in threaded connection with the shaft hole (103) so that the connecting rod (1) is connected into a whole in a pairwise mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221650282.6U CN217727179U (en) | 2022-06-28 | 2022-06-28 | Connecting cutter bar for cutter extension and cutting cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221650282.6U CN217727179U (en) | 2022-06-28 | 2022-06-28 | Connecting cutter bar for cutter extension and cutting cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217727179U true CN217727179U (en) | 2022-11-04 |
Family
ID=83844663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221650282.6U Active CN217727179U (en) | 2022-06-28 | 2022-06-28 | Connecting cutter bar for cutter extension and cutting cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217727179U (en) |
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2022
- 2022-06-28 CN CN202221650282.6U patent/CN217727179U/en active Active
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