CN210105849U - Cutting mechanism and heading machine - Google Patents
Cutting mechanism and heading machine Download PDFInfo
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- CN210105849U CN210105849U CN201920995539.3U CN201920995539U CN210105849U CN 210105849 U CN210105849 U CN 210105849U CN 201920995539 U CN201920995539 U CN 201920995539U CN 210105849 U CN210105849 U CN 210105849U
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- cutting
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- cutting head
- connecting piece
- cutting mechanism
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Abstract
The utility model provides a cutting mechanism and entry driving machine, cutting mechanism includes: cutting the spindle; the cutting head is arranged on the cutting spindle, and is provided with a through hole which is positioned on the axis of the cutting head; and the connecting piece is used for installing the cutting head on the cutting spindle through the through hole. According to the utility model provides a cutting mechanism, connecting piece are located the rotation center, and the vibration and the impact load that receive are less, have reduced the risk of connecting piece damage to the cutting atress has the fastening effect to the connecting piece, has solved the easy not hard up problem of connecting piece.
Description
Technical Field
The utility model relates to a mining machinery technical field particularly, relates to a cutting mechanism and entry driving machine.
Background
In the correlation technique, the axial positioning of cutterhead is realized through two bolts in cutterhead front end to cutterhead and cutting main shaft, and this connection structure has the following problems:
(1) the two bolts are arranged on two sides of the rotation axis, so that the vibration and impact load on the bolts during cutting is large, and the connecting bolts are easy to loosen.
(2) The two bolts occupy a large area of the cutting head, and the usable area of the cutting head is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving at least one of the technical problem that exists among prior art or the correlation technique
To this end, the first aspect of the present invention provides a cutting mechanism.
A second aspect of the present invention provides a heading machine.
In view of this, according to the utility model discloses a first aspect provides a cutting mechanism for entry driving machine, includes: cutting the spindle; the cutting head is arranged on the cutting spindle, and is provided with a through hole which is positioned on the axis of the cutting head; and the connecting piece is used for installing the cutting head on the cutting spindle through the through hole.
The utility model provides a cutting mechanism for the entry driving machine, include: the cutting device comprises a cutting spindle, a cutting head and a connecting piece. The cutting head is provided with a through hole which is positioned on the axis of the cutting head, and the connecting piece is used for installing the cutting head on the cutting spindle through the through hole on the cutting head. Through arranging the connecting piece on the axis of cutterhead, make the connecting piece be located the rotation center, the vibration and the impact load that receive are less, have reduced the risk of connecting piece damage to the cutting atress has the fastening effect to the connecting piece, has solved the easy not hard up problem of connecting piece. Furthermore, only one connecting piece is adopted to fix the cutting head on the cutting spindle, and compared with a cutting mechanism using two bolts in the prior art, the occupied area of the connecting piece is reduced, the usable area of the cutting head is increased, and more drill bits can be arranged, so that the cutting area is increased, the structure is simpler, the processing and assembling time is reduced, and the cost is saved.
Additionally, according to the utility model provides an among the above-mentioned technical scheme cutting mechanism can also have following additional technical characteristics:
in the above technical solution, preferably, the cutting mechanism further includes: the counter bore is arranged on the cutting head and located on one side far away from the cutting spindle, the counter bore is communicated with the through hole, and the connecting piece penetrates through the counter bore and the through hole.
In the technical scheme, a counter bore is arranged on one side, far away from the cutting spindle, of the cutting head, the counter bore is communicated with a through hole in the cutting head, and a connecting piece is contained to penetrate through the counter bore and the through hole. The counter bore can shorten the length of the through hole, so that the part of the connecting piece matched with the through hole is shortened, the stressed moment of the connecting piece is reduced, and the stressed condition of the connecting piece is improved. In addition, the counterbore can accommodate the head of the attachment member such that the head of the attachment member is concealed within the cutting head.
In any of the above technical solutions, preferably, the cutting mechanism further includes: and the drill bit is arranged on the counter bore.
In this solution, the cutting mechanism further comprises a drill bit mounted on the counterbore, preferably the drill bit is a cutting drill bit. The drill bit is arranged on the counter bore in the middle position of the front end of the cutting head, and the number of the drill bits on the cutting mechanism is increased, so that the cutting area of the heading machine is increased, and the capability of the cutting head for cutting and breaking rocks is improved.
In any of the above technical solutions, preferably, an internal thread is provided in the counterbore, an external thread is provided on the drill, and the drill is fixed on the counterbore through thread fit.
In the technical scheme, the drill bit and the counter bore are fixed in a threaded fit mode. The drill bit is installed on the counter bore through threaded connection, so that the drill bit is convenient to disassemble and assemble, the structure is simple, the connection is reliable, and the space is saved.
In any of the above technical solutions, preferably, the connecting member of the cutting mechanism is a bolt.
In the technical scheme, the bolt is used as the connecting piece, and the connecting device has the advantages of low cost, convenience in purchase, high connecting strength and the like. Preferably, the bolt is a large-diameter high-strength bolt.
In any of the above technical solutions, preferably, the cutting mechanism further includes: the anti-loosening pad is arranged between the connecting piece and the cutting head.
In the technical scheme, the anti-loosening pad is arranged between the connecting piece and the cutting head and plays a role in preventing the connecting piece from loosening.
In any of the above technical solutions, preferably, the cutting spindle of the cutting mechanism is provided with an external spline, the cutting head is internally provided with an internal spline, and the external spline is matched with the internal spline.
In this technical scheme, be provided with the external splines on the cutting spindle, the cutterhead is provided with the internal spline with one side that the cutting spindle is connected, and the cutterhead realizes the circumferencial direction location through the cooperation of inside and outside splines with the cutting spindle, and the angle change that the connection fit clearance arouses at the axis position is zero, prevents that the bolt is not hard up.
In any of the above technical solutions, preferably, the cutting mechanism further includes: the floating sealing seat is positioned between the cutting head and the cutting spindle; the floating sealing seat is fixed on the cutting spindle through the nut.
In this technical scheme, cutting mechanism still includes: floating seal seat and nut. The floating sealing seat is fixed on the cutting spindle through a nut and is positioned between the cutting head and the cutting spindle. The connecting piece compresses tightly the connecting face of cutterhead and floating seal seat, and realizes the axial positioning connection of cutterhead and cutting main shaft. When the cutting machine works, the cutting spindle drives the floating sealing seat and the nut to rotate together.
According to the utility model discloses a second aspect provides a heading machine, heading machine include cutting mechanism as in any one of above-mentioned technical scheme. Therefore, the cutting mechanism has the whole beneficial effects, and the description is omitted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a cutting mechanism of the prior art;
fig. 2 is a schematic view of a cutting mechanism according to an embodiment of the present invention.
Wherein, the corresponding relation between the reference numbers and the part names in fig. 1 is:
10 ' existing cutting mechanism, 14 ' bolt, 16 ' anti-loose pad, 18 ' cutting head, 20 ' cutting spindle, 22 ' nut, 24 ' floating seal seat.
Wherein, the corresponding relationship between the reference numbers and the names of the components in fig. 2 is:
10 cutting mechanisms, 12 drill bits, 14 bolts, 16 anti-loosening pads, 18 cutting heads, 20 cutting spindles, 22 nuts and 24 floating seal seats.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A cutting mechanism 10 and a heading machine according to some embodiments of the present invention will now be described with reference to figure 2.
As shown in fig. 2, according to an embodiment of the present invention, there is provided a cutting mechanism 10 for a heading machine, including: a cutting spindle 20; the cutting head 18, the cutting head 18 is set up on the cutting main shaft 20, there are through holes on the cutting head 18, the through hole is located on axis of the cutting head 18; the attachment mounts the cutting head 18 to the cutting spindle 20 through the through hole.
As shown in fig. 2, the utility model provides a cutting mechanism 10 for the heading machine, include: a cutting spindle 20, a cutting head 18 and a coupling. The cutting head 18 is provided with a through hole which is located on the axis of the cutting head 18, and the connecting piece mounts the cutting head 18 to the cutting spindle 20 through the through hole in the cutting head 18. By arranging the connecting piece on the axis of the cutting head 18, the connecting piece is positioned at the rotation center, the received vibration and impact load are small, the risk of damage of the connecting piece is reduced, the cutting stress has a fastening effect on the connecting piece, and the problem that the connecting piece is easy to loosen is solved. Further, only one attachment is used to secure the cutting head 18 to the cutting spindle 20, and in contrast to the prior art, as shown in fig. 1, the prior art cutting mechanism 10' includes: bolt 14 ', locking pad 16', cutting head 18 ', cutting main shaft 20', nut 22 'and unsteady seal receptacle 24', the area occupied of connecting piece has been reduced to the cutting mechanism 10 'that uses two bolts 14', the utility model discloses increased the usable area of cutting head 18, and then can set up more drill bits 12, make the increase of cutting area to the structure is simpler, has reduced processing and assemble duration, has practiced thrift the cost.
In an embodiment of the present invention, preferably, as shown in fig. 2, the cutting mechanism 10 further includes: and the counter bore is arranged on the cutting head 18 and is positioned on one side far away from the cutting spindle 20, the counter bore is communicated with the through hole, and the connecting piece penetrates through the counter bore and the through hole.
In this embodiment, the cutting head 18 is provided with a counter bore on the side remote from the cutting spindle 20, the counter bore communicating with the through bore in the cutting head 18 and accommodating the attachment passing through the counter bore and through bore. The counter bore can shorten the length of the through hole, so that the part of the connecting piece matched with the through hole is shortened, the stressed moment of the connecting piece is reduced, and the stressed condition of the connecting piece is improved. In addition, the counterbore may accommodate the head of the attachment member such that the head of the attachment member is concealed within the cutting head 18.
In an embodiment of the present invention, preferably, as shown in fig. 2, the cutting mechanism 10 further includes: a drill bit 12, the drill bit 12 being mounted on the counterbore.
In this embodiment, the cutting mechanism 10 further includes a drill bit 12 mounted on the counterbore, preferably the drill bit 12 is a cutting bit. The drill bits 12 are arranged in the counter bores of the cutting head 18, so that the number of the drill bits 12 on the cutting mechanism 10 is increased, the cutting area of the heading machine is increased, and the capability of the cutting head 18 for cutting and breaking rocks is improved.
In an embodiment of the present invention, preferably, an internal thread is provided in the counter bore, an external thread is provided on the drill bit 12, and the drill bit 12 is fixed on the counter bore by a thread fit.
In this embodiment, the drill bit 12 and the counterbore are secured by a threaded fit. The drill bit 12 is installed on the counter bore through threaded connection, so that the drill bit 12 is convenient to disassemble and assemble, the structure is simple, the connection is reliable, and the space is saved.
In one embodiment of the present invention, the connecting member of the cutting mechanism 10 is preferably a bolt 14, as shown in fig. 2.
In this embodiment, the bolt 14 is used as a connecting member, which has the advantages of low cost, convenient purchase, high connection strength, etc.
In an embodiment of the present invention, preferably, as shown in fig. 2, the cutting mechanism 10 further includes: and the anti-loosening pad 16 is arranged between the connecting piece and the cutting head 18.
In this embodiment, a locking pad 16 is provided between the attachment and the cutting head 18, the locking pad 16 serving to prevent loosening of the attachment.
In one embodiment of the present invention, it is preferable that the cutting spindle 20 of the cutting mechanism 10 is provided with external splines, and the cutting head 18 is internally provided with internal splines, and the external splines are matched with the internal splines.
In this embodiment, the cutting spindle 20 is provided with external splines, the side of the cutting head 18 connected with the cutting spindle 20 is provided with internal splines, the cutting head 18 and the cutting spindle 20 are matched through the internal splines and the external splines to realize circumferential positioning, and the angle change caused by the connection fit clearance at the axial position is zero, so as to prevent the bolt 14 from loosening.
In an embodiment of the present invention, preferably, as shown in fig. 2, the cutting mechanism 10 further includes: the floating sealing seat 24, the floating sealing seat 24 is positioned between the cutting head 18 and the cutting spindle 20; the nut 22 and the floating seal seat 24 are fixed on the cutting spindle 20 through the nut 22.
In this embodiment, the cutting mechanism 10 further comprises: a floating seal seat 24 and a nut 22. The floating seal carrier 24 is secured to the cutting spindle 20 by a nut 22 between the cutting head 18 and the cutting spindle 20. The connecting piece compresses the connecting surface of the cutting head 18 and the floating sealing seat 24, and the axial positioning connection of the cutting head 18 and the cutting spindle 20 is realized. When the cutting machine works, the cutting spindle 20 drives the floating sealing seat 24 and the nut 22 to rotate together.
According to a second aspect of the present invention there is provided a heading machine comprising a cutting mechanism 10 as described in any of the above-mentioned embodiments. Therefore, the whole beneficial effects of the structure mechanism are achieved, and the detailed description is omitted.
In a particular embodiment, as shown in fig. 2, the cutting mechanism 10 includes: a drill bit 12; a bolt 14; a lock pad 16; a cutting head 18; a cutting spindle 20; a nut 22; a floating seal seat 24. The cutting spindle 20 is provided with an external spline, one side of the cutting head 18 connected with the cutting spindle 20 is provided with an internal spline, and the cutting head 18 and the cutting spindle 20 are matched through the internal spline and the external spline to realize circumferential positioning.
The floating seal housing 24 is secured to the cutting spindle 20 by a nut 22. The cutting head 18 is provided with a through hole, the through hole is positioned on the axis of the cutting head 18, a counter bore is formed in one end far away from the cutting spindle 20, the counter bore is communicated with the through hole, a threaded hole is formed in one side, close to the cutting head 18, of the cutting spindle 20, the threaded hole is positioned on the axis of the cutting spindle 20, the cutting head 18 is installed on the cutting spindle 20 through the bolt 14 penetrating through the through hole of the anti-loosening pad 16 and the cutting head 18, the connecting surface of the cutting head 18 and the floating seal seat 24 is tightly pressed, and the axial positioning connection of the cutting head 18 and the cutting spindle 20 is achieved. When the cutting machine works, the cutting spindle 20 drives the cutting head 18 to rotate leftwards together, the cutting head 18 has a fastening effect on the bolt 14 due to the torque in the right-hand direction, the bolt 14 is prevented from loosening, and the bolt 14 is positioned at the rotating center and is subjected to vibration and small impact. In addition, the cutting head 18 and the cutting spindle 20 are matched through an internal spline and an external spline, and the angle change caused by the matching clearance at the axial line position is zero, so that the function of preventing the bolt 14 from loosening is also achieved.
Threads are arranged in a counter bore of the cutting head 18, the drill bit 12 is provided with external threads matched with the threads of the counter bore, and the drill bit 12 is installed on the cutting head 18 through threaded connection. When the cutting tool works, the cutting tool and the cutting head 18 rotate together, so that the cutting function is realized at the middle position of the cutting head 18, and the cutting and rock breaking capacity is improved.
The utility model provides a cutting mechanism 10 makes the connecting piece be located the rotation center through arranging the connecting piece on the axis of cutterhead 18, and the vibration and the impact load that receive are less, have reduced the risk of connecting piece damage to the cutting atress has the fastening action to the connecting piece, has solved the easy not hard up problem of connecting piece. Further, only one connecting piece is adopted to fix the cutting head 18 on the cutting spindle 20, the occupied area of the connecting piece is reduced compared with a cutting mechanism using two bolts in the prior art, the usable area of the cutting head 18 is increased, and more drill bits 12 can be arranged, so that the cutting area is increased, the capability of cutting and breaking rocks of the cutting head 18 is improved, the structure is simpler, the processing and assembling time is reduced, and the cost is saved.
In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A cutting mechanism for a heading machine, comprising:
cutting the spindle;
the cutting head is arranged on the cutting spindle, and is provided with a through hole which is positioned on the axis of the cutting head;
and the connecting piece is used for installing the cutting head onto the cutting spindle through the through hole.
2. The cutting mechanism of claim 1, further comprising:
the counter bore is arranged on the cutting head and located on one side far away from the cutting spindle, the counter bore is communicated with the through hole, and the connecting piece penetrates through the counter bore and the through hole.
3. The cutting mechanism of claim 2, further comprising:
a drill bit mounted on the counterbore.
4. The cutting mechanism of claim 3, wherein internal threads are provided in the counterbore and external threads are provided on the drill bit, the drill bit being secured to the counterbore by a threaded fit.
5. The cutting mechanism of claim 1, wherein the attachment is a bolt.
6. The cutting mechanism of claim 5, wherein the cutting spindle is provided with a threaded hole, and the bolt passes through the cutting head through hole to be matched with the threaded hole.
7. The cutting mechanism according to any one of claims 1 to 6, further comprising:
and the anti-loosening pad is arranged between the connecting piece and the cutting head.
8. The cutting mechanism according to any one of claims 1 to 6, characterized in that the cutting spindle is provided with external splines, the cutting head is internally provided with internal splines, and the external splines are matched with the internal splines.
9. The cutting mechanism according to any one of claims 1 to 6, further comprising:
the floating sealing seat is positioned between the cutting head and the cutting spindle;
and the floating sealing seat is fixed on the cutting spindle through the nut.
10. A heading machine comprising a cutting mechanism as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995539.3U CN210105849U (en) | 2019-06-28 | 2019-06-28 | Cutting mechanism and heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995539.3U CN210105849U (en) | 2019-06-28 | 2019-06-28 | Cutting mechanism and heading machine |
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| Publication Number | Publication Date |
|---|---|
| CN210105849U true CN210105849U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920995539.3U Active CN210105849U (en) | 2019-06-28 | 2019-06-28 | Cutting mechanism and heading machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206541A (en) * | 2019-06-28 | 2019-09-06 | 三一重型装备有限公司 | Cutting mechanism and development machine |
| CN112377205A (en) * | 2020-11-12 | 2021-02-19 | 中国矿业大学 | Hard rock heading machine integrating drilling, rolling and disc cutting and using method |
-
2019
- 2019-06-28 CN CN201920995539.3U patent/CN210105849U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206541A (en) * | 2019-06-28 | 2019-09-06 | 三一重型装备有限公司 | Cutting mechanism and development machine |
| CN112377205A (en) * | 2020-11-12 | 2021-02-19 | 中国矿业大学 | Hard rock heading machine integrating drilling, rolling and disc cutting and using method |
| CN112377205B (en) * | 2020-11-12 | 2021-10-15 | 中国矿业大学 | Hard rock heading machine integrating drilling, rolling and disc cutting and using method |
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