CN214978020U - Deep hole milling cutter for processing speed reducer shell of hybrid tractor - Google Patents
Deep hole milling cutter for processing speed reducer shell of hybrid tractor Download PDFInfo
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- CN214978020U CN214978020U CN202121424613.XU CN202121424613U CN214978020U CN 214978020 U CN214978020 U CN 214978020U CN 202121424613 U CN202121424613 U CN 202121424613U CN 214978020 U CN214978020 U CN 214978020U
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Abstract
The utility model belongs to the technical field of milling cutter, a deep hole milling cutter of tractor speed reducer shell is thoughtlessly moved in processing is disclosed, include: the milling cutter head comprises a cutter head and a connecting seat, and the connecting seat is provided with a first clamping groove which penetrates through the connecting seat along the radial direction; the connecting rods are coaxially arranged with the cutter head, the mounting seat is arranged at one end of each rod body, the mounting seat is provided with a second clamping groove, and the axial lengths of the rod bodies of different connecting rods are different; the connecting sleeve is cylindrical and is provided with an inserting hole; and an insert rod; in a first state, the connecting seat is in butt joint with the mounting seat along the axial direction, the first clamping groove and the second clamping groove are communicated along the radial direction to form a positioning hole, the connecting sleeve is sleeved on the peripheries of the connecting seat and the mounting seat, and the insertion rod penetrates through the insertion hole and the positioning hole along the radial direction. Can change whole milling cutter's length through the connecting rod of different length to adapt to the not deep hole of unidimensional.
Description
Technical Field
The utility model relates to a milling cutter technical field especially relates to a deep hole milling cutter of processing thoughtlessly moves tractor speed reducer shell.
Background
The milling cutter is one kind of milling cutter and is widely used in digital control machining for rough and fine machining of plane, step, slot and hole. At present, in the trial production of parts of a finished automobile design verification product, when a speed reducer shell of a hybrid tractor is machined, a shell needs to be machined into a 500-600 mm ultra-deep hole, and a milling cutter bar is 200mm long, so that a non-standard integral alloy same-handle same-diameter lengthened milling cutter is generally adopted for machining.
However, the non-standard integral alloy lengthened milling cutter still has some problems, for example, along with the change of product design, the length of the customized lengthened milling cutter cannot be adjusted, and the processing has certain limitation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a deep hole milling cutter of tractor speed reducer shell is thoughtlessly moved in processing to solve along with the product design change, the not adjustable problem of the extension milling cutter length of customization.
To achieve the purpose, the utility model adopts the following technical proposal:
a deep hole milling cutter for processing a speed reducer housing of a hybrid tractor comprises:
the milling cutter head comprises a cutter head and a connecting seat which are coaxially and sequentially connected, and the connecting seat is provided with a first clamping groove which penetrates along the radial direction;
the connecting rods are coaxially arranged with the cutter head, the mounting seat is arranged at one end of each rod body, the mounting seat is provided with a second clamping groove penetrating along the radial direction, and the axial lengths of the rod bodies of different connecting rods are different;
the connecting sleeve is cylindrical and is provided with an inserting hole; and
inserting a rod;
in a first state, the connecting seat is in butt joint with the mounting seat along the axial direction, the first clamping groove and the second clamping groove are communicated along the radial direction to form a positioning hole, the connecting sleeve is sleeved on the peripheries of the connecting seat and the mounting seat, and the insertion rod penetrates through the insertion hole and the positioning hole along the radial direction.
Under the first state, the connecting rod is axially matched with the milling cutter head, the first clamping groove and the second clamping groove are communicated along the radial direction to form a positioning hole, the connecting sleeve is sleeved on the peripheries of the connecting seat and the mounting seat, the inserting rod penetrates through the inserting hole and the positioning hole along the radial direction to realize fixation, and the connecting rod and the milling cutter head are designed in a split mode, so that the length of the whole milling cutter can be changed through the connecting rods with different lengths, and the milling cutter head is suitable for deep holes with different sizes.
Preferably, the connecting seat is in sliding clamping connection with the mounting seat along the axial direction.
The connecting seat is clamped with the mounting seat in an axial sliding manner, so that the mounting convenience is improved.
Preferably, the connecting seat is provided with:
the first bulge is arranged at one end of the connecting seat, which is far away from the cutter head; and
the first slot is arranged at one end of the connecting seat close to the cutter head;
the mount pad is equipped with:
the second bulge is arranged at one end, away from the rod body, of the mounting seat; and
the second slot is arranged at one end, close to the rod body, of the mounting seat, the first bulge is axially inserted into the second slot, and the second bulge is axially inserted into the first slot.
The first bulge of the connecting seat is axially inserted into the second slot of the mounting seat, and the second bulge of the mounting seat is axially inserted into the first slot of the connecting seat, so that the connecting seat and the mounting seat are axially slidably clamped.
Preferably, the connection holder includes:
the connecting seat body is provided with a first cambered surface and a first plane, the first clamping groove is arranged on the first plane, and the first bulge is arranged at the end part of the first cambered surface, which is far away from the tool bit; and
the axial length of the connecting seat auxiliary body is smaller than that of the connecting seat main body, the connecting seat auxiliary body is provided with a second cambered surface and a second plane, the second plane is parallel and opposite to the first plane, and the first slot is arranged between the second plane and the first plane.
The first cambered surface sets up the surface into the connecting seat main part, and the first plane sets up the internal surface into the connecting seat main part, and the second cambered surface sets up the surface into the connecting seat auxiliary body, and the second plane sets up the internal surface into the connecting seat auxiliary body, forms first slot between first plane and the second plane.
Preferably, the mount includes:
the mounting seat main body is provided with a third cambered surface and a third plane, the second clamping groove is arranged on the third plane, and the second bulge is arranged at the end part of the third cambered surface, which deviates from the rod body; and
the auxiliary mounting seat body is provided with a fourth cambered surface and a fourth plane, the fourth plane is parallel and opposite to the third plane, and the second slot is formed between the fourth plane and the third plane.
The third cambered surface sets up the surface into the mount pad main part, and the third plane sets up the internal surface into the mount pad main part, and the fourth cambered surface sets up the surface into the vice body of mount pad, and the fourth plane sets up the internal surface into the vice body of mount pad, and the third plane and fourth plane right angle form the second slot.
Preferably, the first clamping groove and the second clamping groove both comprise two intersecting groove surfaces, and the included angle of the two groove surfaces is set to be 30-150 degrees.
The positioning block formed by the first clamping groove and the second clamping groove is provided with a quadrangular surface.
Preferably, the inserted bar is of a quadrangular prism structure, and four edge surfaces of the inserted bar are respectively abutted against the groove surfaces of the first clamping groove and the second clamping groove.
The inserted bar sets up to the quadrangular structure and with each of first draw-in groove and second draw-in groove the groove face butt to it is spacing in first draw-in groove and second draw-in groove to make the inserted bar.
Preferably, the insertion hole has a circular cross section, and an inner diameter of the insertion hole is larger than a maximum length of a diagonal line of the cross section of the insertion rod.
The inner diameter of the insertion hole is larger than the maximum length of a diagonal line of the cross section of the insertion rod, so that the insertion rod is convenient to insert, and the installation efficiency is improved.
Preferably, the connecting seat and the mounting seat are clamped to form a cylindrical side wall, and the connecting sleeve is cylindrical.
The cylindrical connecting sleeve can rotate on the surfaces of the connecting seat and the mounting seat.
Preferably, the tool bit, the rod body and the connecting sleeve have the same outer diameter.
The deep hole milling cutter for processing the speed reducer shell of the hybrid tractor has the same diameter along the axial direction, and is attractive and elegant.
The utility model has the advantages that: under the first state, the connecting rod is axially matched with the milling cutter head, the first clamping groove and the second clamping groove are communicated along the radial direction to form a positioning hole, the connecting sleeve is sleeved on the peripheries of the connecting seat and the mounting seat, the inserting rod penetrates through the inserting hole and the positioning hole along the radial direction to realize fixation, and the connecting rod and the milling cutter head are designed in a split mode, so that the length of the whole milling cutter can be changed through the connecting rods with different lengths, and the milling cutter head is suitable for deep holes with different sizes.
Drawings
Fig. 1 is a schematic structural diagram of a deep hole milling cutter of a speed reducer housing of a hybrid tractor according to an embodiment of the present application;
fig. 2 is an exploded view of the deep hole milling cutter of the hybrid tractor reducer case shown in fig. 1.
FIG. 3 is an enlarged view of the portion circled A in FIG. 2;
fig. 4 is a schematic structural view of the connecting seat and the mounting seat in axial sliding fit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element 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" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The utility model provides a deep hole milling cutter of tractor speed reducer shell is thoughtlessly moved in processing for the processing thoughtlessly moves tractor speed reducer shell.
Fig. 1 is a schematic structural view of a deep-hole milling cutter of a hybrid tractor speed reducer case according to an embodiment of the present application, fig. 2 is an exploded view of the deep-hole milling cutter of the hybrid tractor speed reducer case shown in fig. 1, and fig. 3 is an enlarged view of a portion of a circle a in fig. 2. Referring to fig. 1, 2 and 3, the deep hole milling cutter for machining the speed reducer housing of the hybrid tractor comprises a milling head 1, a connecting rod 2, a connecting sleeve 3 and an insert rod 4.
It should be noted that, in the embodiment of the present application, the milling head 1, the connecting rod 2, the connecting sleeve 3 and the insert rod 4 are all made of an iron-aluminum alloy.
The milling head 1 comprises a head 11 and a connecting seat 12 coaxially connected in sequence, and the connecting seat 12 is provided with a first clamping groove 120 penetrating along the radial direction.
The cutting head 11 is provided with end blades 111 and side blades 112, the breaking blades 111 are arranged at the top end of the cutting head 11, the side blades 112 are arranged on the peripheral surface of the cutting head 11 along the spiral direction, and spiral chip grooves 113 are arranged between the side blades 112.
The connecting rod 2 comprises a rod body 21 and a mounting seat 22, the rod body 21 and the cutter head 11 are coaxially arranged, the mounting seat 22 is arranged at one end of the rod body 21, and the mounting seat 22 is provided with a second clamping groove 220 which penetrates through along the radial direction.
The connecting sleeve 3 is cylindrical, and the connecting sleeve 3 is provided with an inserting hole 31.
In the first state, as shown in fig. 1, the connecting seat 12 is axially abutted to the mounting seat 22, the first engaging groove 120 and the second engaging groove 220 are radially communicated to form a positioning hole, the connecting sleeve 3 is sleeved on the peripheries of the connecting seat 12 and the mounting seat 22, and the insertion rod 4 radially penetrates through the insertion hole 31 and the positioning hole.
Under the first state, connecting rod 2 and milling cutter head 1 are along the axial cooperation, and first draw-in groove 120 and second draw-in groove 220 radially communicate and form the locating hole, and adapter sleeve 3 cover is established in the periphery of connecting seat 12 and mount pad 22, and inserted bar 4 radially wears to establish jack 31 and locating hole and realizes fixing, and connecting rod 2 and milling cutter head 1 split design can obtain the milling cutter of different length through the connecting rod 2 of the different length of adaptation to adapt to the not deep hole of unidimensional.
Further, the tool bit 11, the rod body 21 and the connecting sleeve 3 have the same outer diameter. The deep hole milling cutter for processing the speed reducer shell of the hybrid tractor has the same diameter along the axial direction, and is attractive and elegant.
Fig. 4 is a schematic structural diagram of connection seat 12 and mounting seat 22 in axial sliding fit, and referring to fig. 3 and 4, connection seat 12 and mounting seat 22 are in sliding clamping fit in axial direction, so that convenience in installation is improved.
The connecting socket 12 is provided with a first protrusion 123 and a first slot 124, wherein the first protrusion 123 is disposed at an end of the connecting socket 12 facing away from the tool bit 11, and the first slot 124 is disposed at an end of the connecting socket 12 close to the tool bit 11.
The mounting seat 22 is provided with a second protrusion 223 and a second slot 224, wherein the second protrusion 223 is disposed at an end of the mounting seat 22 away from the rod body 21, and the second slot 224 is disposed at an end of the mounting seat 22 close to the rod body 21.
The first protrusion 123 is axially inserted into the second slot 224, and the second protrusion 223 is axially inserted into the first slot 124. The first protrusion 123 and the second protrusion 223 can be radially limited by the second insertion groove 224 and the first insertion groove 124, respectively.
Further, the connector holder 12 includes a connector holder main body 121 and a connector holder sub-body 122.
The connecting seat body 121 is provided with a first arc surface 1211 and a first plane 1212, the first arc surface 1211 serves as an outer surface of the connecting seat body 121, the first plane 1212 serves as an inner surface of the connecting seat body 121, the first locking groove 120 is arranged on the first plane 1212, and the first protrusion 123 is arranged at an end of the first arc surface 1211, which is away from the tool bit 11.
The axial length of the connecting seat sub-body 122 is smaller than the axial length of the connecting seat main body 121, the connecting seat sub-body 122 is provided with a second arc surface and a second plane, the second arc surface is used as the outer surface of the connecting seat sub-body 122, and the second plane is used as the inner surface of the connecting seat sub-body 122. The second plane is parallel to and opposite the first plane 1212, and the first slot 124 is disposed between the second plane and the first plane 1212.
Further, the mount 22 includes a mount main body 221 and a mount sub-body 222.
The mount pad main part 221 is equipped with third cambered surface and third plane, and the third cambered surface is as the surface of mount pad main part 221, and the internal surface of mount pad main part 221 is regarded as to the third plane, and when first state, the third plane is on a parallel with second plane 1212, and second draw-in groove 220 sets up on the third plane, and the setting of second arch 223 deviates from the tip of body of rod 21 at the third cambered surface.
The axial length of the sub-mount 222 is smaller than that of the main mount 221, the sub-mount 222 has a fourth arc surface and a fourth flat surface, the fourth arc surface is used as the outer surface of the sub-mount 222, the fourth flat surface is used as the inner surface of the sub-mount 222, the fourth flat surface is parallel to and opposite to the third flat surface, and the second slot 224 is disposed between the fourth flat surface and the third flat surface.
The first engaging groove 120 and the second engaging groove 220 each include two intersecting groove surfaces, and the included angle between the two groove surfaces is set between 30 ° and 150 °. In the embodiment of the present application, the included angle between the two slot surfaces of the first slot 120 is 120 °, and the included angle between the two slot surfaces of the second slot 220 is also 120 °.
It should be noted that the included angle between the two slot surfaces of the first card slot 120 and the second card slot 220 may be different, for example, the included angle between the two slot surfaces of the first card slot 120 is 90 °, and the included angle between the two slot surfaces of the second card slot 220 may be 130 °. The present embodiment is not limited thereto.
Further, the inserted link 4 is set to a quadrangular prism structure, and four prism surfaces of the inserted link 4 are respectively abutted to the groove surfaces of the first clamping groove 120 and the second clamping groove 220. The insert rod 4 is configured to have a quadrangular prism structure and abuts against the groove surfaces of the first and second engaging grooves 120 and 220, so that the insert rod cannot rotate around itself and can only slide along the groove surfaces.
It should be noted that the insertion hole 31 has a circular cross section, and the inner diameter of the insertion hole 31 is larger than the maximum length of the diagonal line of the cross section of the plunger 4. For example, if the two diagonal lines of the insert rod 4 are 3cm and 2cm, respectively, the diameter waist of the circular cross section of the insert hole 31 is larger than 3 cm.
Connecting seat 12 has a cylindrical side wall after being clamped with mounting seat 22, and connecting sleeve 3 is set to be cylindrical. The connecting sleeve 3 can rotate on the surfaces of the connecting base 12 and the mounting base 22.
The processing mix deep hole milling cutter who moves tractor speed reducer shell that this embodiment provided, under the first state, connecting rod 2 and milling cutter head 1 are along the axial cooperation, first draw-in groove 120 and second draw-in groove 220 form the locating hole along radial intercommunication, the periphery at connecting seat 12 and mount pad 22 is established to adapter sleeve 3 cover, inserted bar 4 is along radially wearing to establish jack 31 and locating hole realization fixed, connecting rod 2 and the design of splitting of milling cutter head 1, can and then obtain the milling cutter of different length through the connecting rod 2 of the different length of adaptation, thereby adapt to the not unidimensional deep hole.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a deep hole milling cutter of processing thoughtlessly move tractor speed reducer shell which characterized in that includes:
the milling cutter head (1) comprises a cutter head (11) and a connecting seat (12) which are coaxially and sequentially connected, and the connecting seat (12) is provided with a first clamping groove (120) which penetrates through the connecting seat in the radial direction;
the connecting rod comprises a plurality of connecting rods (2), each connecting rod (2) comprises a rod body (21) and a mounting seat (22), the rod bodies (21) and the cutter head (11) are coaxially arranged, the mounting seats (22) are arranged at one ends of the rod bodies (21), the mounting seats (22) are provided with second clamping grooves (220) which penetrate through the rod bodies in the radial direction, and the axial lengths of the rod bodies (21) of different connecting rods (2) are different;
the connecting sleeve (3), the connecting sleeve (3) is cylindrical, and the connecting sleeve (3) is provided with an insertion hole (31); and
an insert rod (4);
in the first state, the connecting seat (12) is in butt joint with the mounting seat (22) along the axial direction, the first clamping groove (120) and the second clamping groove (220) are communicated along the radial direction to form a positioning hole, the connecting sleeve (3) is sleeved on the peripheries of the connecting seat (12) and the mounting seat (22), and the inserting rod (4) penetrates through the inserting hole (31) and the positioning hole along the radial direction.
2. The deep hole milling cutter for machining the reducer casing of the hybrid tractor according to claim 1, wherein the connecting seat (12) is in sliding clamping connection with the mounting seat (22) in the axial direction.
3. The deep hole milling cutter for machining a speed reducer housing of a hybrid tractor according to claim 2, wherein the connecting seat (12) is provided with:
the first protrusion (123) is arranged at one end, away from the cutter head (11), of the connecting seat (12); and
the first inserting groove (124) is arranged at one end of the connecting seat (12) close to the cutter head (11);
the mounting seat (22) is provided with:
the second bulge (223) is arranged at one end, away from the rod body (21), of the mounting seat (22); and
and the second slot (224) is arranged at one end, close to the rod body (21), of the mounting seat (22), wherein the first protrusion (123) is axially inserted into the second slot (224), and the second protrusion (223) is axially inserted into the first slot (124).
4. The deep hole milling cutter for machining a speed reducer housing of a hybrid tractor according to claim 3, wherein the connecting seat (12) comprises:
the connecting seat body (121) is provided with a first arc surface (1211) and a first plane (1212), the first clamping groove (120) is formed in the first plane (1212), and the first protrusion (123) is arranged at the end, deviating from the tool bit (11), of the first arc surface (1211); and
the axial length of the connecting seat auxiliary body (122) is smaller than that of the connecting seat main body (121), the connecting seat auxiliary body (122) is provided with a second arc surface and a second plane, the second plane is parallel and opposite to the first plane (1212), and the first insertion groove (124) is arranged between the second plane and the first plane (1212).
5. Deep hole milling cutter for machining hybrid tractor retarder housings according to claim 3, characterised in that the mounting seat (22) comprises:
the mounting seat main body (221) is provided with a third arc surface and a third plane, the second clamping groove (220) is formed in the third plane, and the second protrusion (223) is arranged at the end part, deviating from the rod body (21), of the third arc surface; and
the axial length of the mounting seat auxiliary body (222) is smaller than that of the mounting seat main body (221), the mounting seat auxiliary body (222) is provided with a fourth arc surface and a fourth plane, the fourth plane and the third plane are parallel and opposite, and the second inserting groove (224) is formed between the fourth plane and the third plane.
6. The deep hole milling cutter for machining a speed reducer housing of a hybrid tractor according to claim 1, wherein the first clamping groove (120) and the second clamping groove (220) each comprise two intersecting groove surfaces, and the included angle between the two groove surfaces is set to be within a range of 30-150 degrees.
7. The deep hole milling cutter for machining the speed reducer casing of the hybrid tractor according to claim 6, wherein the insert rod (4) is provided with a quadrangular prism structure, and four edge surfaces of the insert rod (4) are respectively abutted to the groove surfaces of the first clamping groove (120) and the second clamping groove (220).
8. Deep hole milling cutter for machining hybrid tractor retarder housings according to claim 7, characterized in that the insertion hole (31) has a circular cross section, the inner diameter of the insertion hole (31) being larger than the maximum length of the diagonal of the cross section of the insertion rod (4).
9. The deep hole milling cutter for processing the speed reducer casing of the hybrid tractor according to claim 2, wherein the connecting seat (12) is clamped with the mounting seat (22) to form a cylindrical side wall, and the connecting sleeve (3) is cylindrical.
10. Deep hole milling cutter for machining the speed reducer housing of a hybrid tractor according to claim 1, characterized in that the tool head (11), the shank (21) and the connecting sleeve (3) have the same outer diameter dimension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121424613.XU CN214978020U (en) | 2021-06-25 | 2021-06-25 | Deep hole milling cutter for processing speed reducer shell of hybrid tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121424613.XU CN214978020U (en) | 2021-06-25 | 2021-06-25 | Deep hole milling cutter for processing speed reducer shell of hybrid tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214978020U true CN214978020U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121424613.XU Active CN214978020U (en) | 2021-06-25 | 2021-06-25 | Deep hole milling cutter for processing speed reducer shell of hybrid tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214978020U (en) |
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2021
- 2021-06-25 CN CN202121424613.XU patent/CN214978020U/en active Active
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