阅读说明：本技术 钻枪导向机构及机床 (Drill gun guide mechanism and machine tool ) 是由 彭土明 于 2021-09-15 设计创作，主要内容包括：本申请实施例提供了一种钻枪导向机构及机床,钻枪导向机构应用于机床,所述钻枪导向机构包括：导套支架,设有装配孔,所述导套支架一侧设有固定孔,所述固定孔与所述装配孔连通；导套座,安装于所述装配孔,所述导套座朝向所述导套支架的外壁设有卡槽,所述卡槽与所述固定孔相对设置；以及连接件,所述连接件穿设于所述固定孔,且卡接于所述卡槽,用以将所述导套座和所述导套支架连接。导套支架一侧设有与装配孔连通的固定孔,导套座外壁设有卡槽,连接件可以从导套支架一侧的固定孔进入并卡接导套外壁的卡槽,从而可以将导套支架和导套座固定连接,结构简单,安装和拆卸都很方便。(The embodiment of the application provides a bore rifle guiding mechanism and lathe, bores rifle guiding mechanism and is applied to the lathe, bore rifle guiding mechanism and include: the guide sleeve bracket is provided with an assembling hole, one side of the guide sleeve bracket is provided with a fixing hole, and the fixing hole is communicated with the assembling hole; the guide sleeve seat is arranged in the assembling hole, a clamping groove is formed in the outer wall, facing the guide sleeve support, of the guide sleeve seat, and the clamping groove is opposite to the fixing hole; and the connecting piece penetrates through the fixing hole and is clamped in the clamping groove to connect the guide sleeve seat with the guide sleeve bracket. The guide sleeve bracket is characterized in that one side of the guide sleeve bracket is provided with a fixing hole communicated with the assembling hole, the outer wall of the guide sleeve seat is provided with a clamping groove, and the connecting piece can enter from the fixing hole on one side of the guide sleeve bracket and is clamped with the clamping groove on the outer wall of the guide sleeve, so that the guide sleeve bracket and the guide sleeve seat can be fixedly connected, the structure is simple, and the installation and the disassembly are very convenient.)

1. The utility model provides a drill gun guiding mechanism, is applied to the lathe which characterized in that, drill gun guiding mechanism includes:

the guide sleeve bracket is provided with an assembling hole, one side of the guide sleeve bracket is provided with a fixing hole, and the fixing hole is communicated with the assembling hole;

the guide sleeve seat is arranged in the assembly hole, a clamping groove is formed in the outer wall, facing the guide sleeve support, of the guide sleeve seat, and the clamping groove is opposite to the fixing hole; and

and the connecting piece penetrates through the fixing hole and is clamped in the clamping groove to connect the guide sleeve seat with the guide sleeve support.

2. The drill gun guide mechanism as claimed in claim 1, wherein the guide sleeve holder includes a bearing portion provided with the fitting hole, and the guide sleeve seat includes a base and a columnar portion, the columnar portion being mounted in the fitting hole, the base abutting against the bearing portion.

3. The drill gun guide mechanism according to claim 2, wherein the locking groove is provided on an outer wall of the columnar portion facing the guide sleeve holder.

4. The drill gun guide mechanism as claimed in claim 1, wherein the inner wall of the fixing hole has a first connecting structure, the outer wall of the connecting member has a second connecting structure matching with the first connecting structure, and the connecting member is fixedly connected with the inner wall of the fixing hole through the first connecting structure and the second connecting structure.

5. The drill gun guide mechanism according to claim 4, wherein the inner wall includes a first portion proximate the guide sleeve seat, the first thread being disposed on the first portion;

and/or

One end of the connecting piece is arranged in the fixed hole, the other end of the connecting piece is clamped in the clamping groove, and the second thread is arranged at one end of the connecting piece in the fixed hole.

6. The drill gun guide mechanism according to claim 1, wherein the slot surrounds the guide sleeve seat outer wall for a circle.

7. The drill gun guide mechanism according to claim 6, wherein the cross section of the slot is semicircular.

8. The drill gun guide mechanism as claimed in claim 6, wherein the number of the fixing holes is plural, and the plural fixing holes are disposed on the same side of the guide sleeve support.

9. The drill gun guide mechanism as recited in claim 8, wherein the fixing holes comprise a first fixing hole and a second fixing hole, the connecting member comprises a first connecting member passing through the first fixing hole and a second connecting member passing through the second fixing hole, and the first connecting member and the second connecting member are disposed on two sides of the guide sleeve seat.

10. A machine tool comprising a drill guide mechanism as claimed in any one of claims 1 to 9.

Technical Field

The application relates to the technical field of machine tool structures, in particular to a drill gun guide mechanism and a machine tool.

Background

The drill gun type cutters used by the deep hole drilling machine tool are not rigid enough due to large length-diameter ratio, and often need to use guide sleeves for guiding and positioning. The guide sleeve can be directly arranged on the guide mechanism main body which can slide, but because the machine tool parts are difficult to manufacture and process and the maintenance or replacement of the guide sleeves with different specifications is inconvenient, the guide sleeve is often arranged on the guide sleeve seat firstly, and then the guide sleeve seat is fixed on the guide mechanism main body; the final purpose of the two modes is to ensure the positioning precision of the drill gun during processing.

The design of intelligent machine tools requires good operational convenience and functional compatibility. In a machine tool mainly used for deep hole machining, because the inner diameter size specification of the guide sleeve needs to be matched with the diameter size specification of a gun drill, different guide sleeves need to be replaced when different apertures are machined, namely the guide sleeve is a functional part needing to be replaced frequently, a plurality of guide sleeves need to be configured on one machine tool according to the specification of the gun drill, the material of the guide sleeves is usually made of hard alloy with higher hardness, and from the perspective of saving cost, the overall dimension of the guide sleeves is designed to be smaller as much as possible.

Because the movable stroke demand characteristic of the guide mechanism often forms space interference or shielding of the processing direction to the main shaft, the guide sleeve is smaller, and the space left after the guide sleeve is removed is very small, therefore, the guide sleeve seat is designed into a structure which can be conveniently installed and detached, when other non-deep hole drilling processing modes are carried out, the guide sleeve seat can be rapidly removed, so that the avoiding range of the guide mechanism to the front end of the main shaft is enlarged, the tool can pass through different types of tools or directly pass through the nose end of the main shaft, the functional compatibility of the machine tool is greatly improved, and other conventional functions of the machine tools such as drilling, milling and boring can be flexibly switched.

However, in the related art, the guide sleeve seat is fixed to the guide mechanism body by screws from the bottom of the guide sleeve seat, and usually a plurality of fastening screws are provided, so that the screws need to be completely fastened during installation, and the screws need to be completely removed during removal, which is troublesome to install and remove and inconvenient to operate.

Disclosure of Invention

The embodiment of the application provides a drill gun guide mechanism and a machine tool, and a guide sleeve seat can be conveniently installed and detached.

The embodiment of the application provides a bore rifle guiding mechanism, it is applied to the lathe, bore rifle guiding mechanism includes:

the guide sleeve bracket is provided with an assembling hole, one side of the guide sleeve bracket is provided with a fixing hole, and the fixing hole is communicated with the assembling hole;

the guide sleeve seat is arranged in the assembly hole, a clamping groove is formed in the outer wall, facing the guide sleeve support, of the guide sleeve seat, and the clamping groove is opposite to the fixing hole; and

and the connecting piece penetrates through the fixing hole and is clamped in the clamping groove to connect the guide sleeve seat with the guide sleeve support.

Further, the guide sleeve support comprises a bearing part provided with the assembly hole, the guide sleeve seat comprises a base and a columnar part, the columnar part is installed in the assembly hole, and the base is abutted to the bearing part.

Further, the clamping groove is formed in the outer wall, facing the guide sleeve support, of the columnar portion.

Furthermore, the inner wall of the fixing hole is provided with a first connecting structure, the outer wall of the connecting piece is provided with a second connecting structure matched with the first connecting structure, and the connecting piece is fixedly connected with the inner wall of the fixing hole through the first connecting structure and the second connecting structure.

Further, the inner wall comprises a first part close to the guide sleeve, and the first thread is arranged on the first part;

and/or

One end of the connecting piece is arranged in the fixed hole, the other end of the connecting piece is clamped in the clamping groove, and the second thread is arranged at one end of the connecting piece in the fixed hole.

Further, the clamping groove surrounds the outer wall of the guide sleeve seat for a circle.

Further, the cross section of the clamping groove is semicircular.

Furthermore, the number of the fixing holes is multiple, and the fixing holes are formed in the same side of the guide sleeve support.

Furthermore, the fixed orifices include first fixed orifices and second fixed orifices, the connecting piece is including wearing to locate the first connecting piece of first fixed orifices and wearing to locate the second connecting piece of second fixed orifices, first connecting piece with the second connecting piece set up in guide sleeve seat both sides.

The embodiment of the application also provides a machine tool, which comprises the drill gun guide mechanism.

In the drill gun guide mechanism and the machine tool provided by the embodiment of the application, one side of the guide sleeve support is provided with the fixing hole communicated with the assembling hole, the outer wall of the guide sleeve seat is provided with the clamping groove, and the connecting piece can enter from the fixing hole on one side of the guide sleeve support and is clamped with the clamping groove on the outer wall of the guide sleeve towards the guide sleeve support, so that the guide sleeve support and the guide sleeve seat can be fixedly connected, the structure is simple, and the installation and the disassembly are very convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic structural diagram of a machine tool according to an embodiment of the present application.

Fig. 2 is a side view of the machine tool shown in fig. 1.

Fig. 3 is a schematic cross-sectional view along direction AA of the machine tool shown in fig. 1.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a schematic view of the machine tool shown in fig. 1 from another angle.

Fig. 6 is a schematic cross-sectional view of the machine tool shown in fig. 5 along the BB direction.

Fig. 7 is a schematic structural view of a guide sleeve seat in the machine tool shown in fig. 5.

Fig. 8 is a schematic view of a connection structure of the guide sleeve holder and the guide sleeve seat in the machine tool shown in fig. 6.

Fig. 9 is a schematic cross-sectional view of the guide sleeve holder and the guide sleeve base shown in fig. 8 along the KK direction.

Fig. 10 is a schematic cross-sectional view of a guide sleeve seat in the machine tool shown in fig. 6.

Fig. 11 is a schematic structural view of a connecting member in the machine tool shown in fig. 6.

Fig. 12 is another schematic cross-sectional view of the machine tool of fig. 5 in the BB direction.

Fig. 13 is a schematic structural view of a guide sleeve provided in the embodiment of the present application

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the described embodiments are merely exemplary of some, and not all, of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a machine tool according to an embodiment of the present disclosure. The embodiment of the present application provides a machine tool, where the machine tool 1 of the present embodiment may be a deep hole drilling machine tool, and of course, the machine tool 1 of the present embodiment may also be another type of machine tool, and the present embodiment does not limit the type of the machine tool.

Referring to fig. 2 to 4, fig. 2 is a side view of the machine tool shown in fig. 1, fig. 3 is a schematic cross-sectional view of the machine tool shown in fig. 1 along direction AA, and fig. 4 is an enlarged schematic view of portion a in fig. 3. The machine tool 1 can comprise a drill gun guide mechanism 10 for guiding and positioning a drill gun type cutter, wherein the drill gun guide mechanism 10 is arranged at the bottom of the machine tool 1. Illustratively, the drill gun guide mechanism 10 may include a guide sleeve 18, a guide sleeve mount 14, and a guide sleeve holder 12. The guide sleeve seat 14 is clamped on the guide sleeve support 12, the guide sleeve 18 is installed on the guide sleeve seat 14, the guide sleeve 18 is used for guiding and positioning a drill gun type cutter, and the positioning precision of the drill gun during machining can be ensured through the cooperation of the guide sleeve 18, the guide sleeve seat 14 and the guide sleeve support 12. With reference to fig. 5 to 7, fig. 5 is a schematic structural view of the machine tool shown in fig. 1 at another angle, fig. 6 is a schematic sectional view of the machine tool shown in fig. 5 along the BB direction, and fig. 7 is a schematic structural view of a guide sleeve seat in the machine tool shown in fig. 5. The drill gun guide mechanism 10 further comprises a connecting piece 16, the guide sleeve support 12 is provided with an assembling hole 122, one side of the guide sleeve support 12 is provided with a fixing hole 124, and the fixing hole 124 is communicated with the assembling hole 122. The guide sleeve seat 14 is installed in the assembling hole 122, and a locking groove 142 is formed on the outer wall of the guide sleeve seat 14 facing the guide sleeve bracket 12, and the locking groove 142 is opposite to the fixing hole 124. The connecting member 16 is inserted into the fixing hole 124 and is engaged with the engaging groove 142 to connect the guide sleeve holder 14 and the guide sleeve holder 12. Compared with the prior art, the bottom of the guide sleeve seat is fixedly connected with the guide sleeve support through screws, the connecting piece 16 of the embodiment can enter from the fixing hole 124 on one side of the guide sleeve support 12 and be clamped with the clamping groove 142 on the outer wall of the guide sleeve seat 14, so that the guide sleeve support 12 and the guide sleeve seat 14 can be fixedly connected, the structure is simple, and the installation and the disassembly are convenient. And carry out dismouting connecting piece 16 from guide pin bushing support 12 one side and compare the bottom dismouting and have bigger operating space, the user can just to guide pin bushing support 12 one side, and the operation is more handy.

It will be appreciated that the machine tool 1 may further comprise a column (not shown) for suspending the drill gun guide 10 and the drill gun type tool above the corresponding device to be machined, the fixing hole 124 being provided on the side of the guide sleeve holder 12 remote from the column. It is also understood that the fastening opening 124 is provided on the side of the guide sleeve holder 12 facing the user. The fitting hole 122 may extend in a first direction, and the fixing hole 124 may extend in a second direction, the first and second directions being different directions. For example, the first direction may be a vertical direction and the second direction may be a horizontal direction. It is also understood that the first direction is the installation direction of the guide sleeve 18 and the second direction is perpendicular to the first direction. It should be noted that a through hole corresponding to the size and shape of the guide sleeve 18 is further formed in the middle of the guide sleeve seat 14, and the through hole of the guide sleeve seat 14 can be used for installing the guide sleeve 18.

Optionally, the guide sleeve holder 12 includes a bearing portion 126 provided with a fitting hole 122, the guide sleeve holder 14 includes a base 144 and a column portion 146, the column portion 146 is installed in the fitting hole 122, and the base 144 abuts against the bearing portion 126. The size of the base 144 is larger than the size of the pillar portion 146, and it can also be understood that the area of the base 144 is larger than the area of the pillar portion 146. The columnar portion 146 is disposed in the assembly hole 122 of the bearing portion 126, the size of the base 144 exceeds the size of the assembly hole 122, and the base 144 can abut against the bearing portion 126, so that the displacement of the guide sleeve seat 14 toward the bearing portion 126 can be well limited. For example, the post 146 may be disposed in the middle of the base 144. In addition, the pillar portion 146 may be a cylinder or other pillar, and the base 144 may be a square, such as a square or rectangle, or a rectangle. Of course, the base 144 may have other shapes, such as regular pentagon, regular hexagon, quincunx, etc. For example, the guide sleeve seat 14 can be in the shape of a part of a square hanging table at the lower section of an upper section of a cylinder. The shape of the base 144 is not limited in this embodiment, and the shape of the base 144 may be set as required. The engaging groove 142 may be disposed on an outer wall of the columnar portion 146 facing the guide sleeve holder 12, and the engaging groove 142 is disposed on the outer wall of the columnar portion 146, which facilitates processing.

It will be appreciated that an object has six degrees of freedom in space, namely freedom of movement in the direction of three orthogonal axes x, y and z and freedom of rotation about these three axes. After the guide sleeve holder 14 is mounted on the guide sleeve holder 12, the guide sleeve holder 14 has been spatially limited to five degrees of freedom, which only remains in the force-receiving direction (i.e., away from the support 126) to be removed. In addition, one part of the connecting piece 16 is arranged in the fixing hole 124 of the guide sleeve bracket 12, and the other part of the connecting piece 16 is clamped with the clamping groove 142 on the outer wall of the guide sleeve seat 14, so that the degree of freedom of the stress direction of the guide sleeve seat 14 can be limited, and six degrees of freedom of the guide sleeve seat 14 can be completely limited.

Referring to fig. 8 to 11, fig. 8 is a schematic view of a connection structure of a guide sleeve holder and a guide sleeve seat in the machine tool shown in fig. 6, fig. 9 is a schematic view of a section of the guide sleeve holder and the guide sleeve seat shown in fig. 8 along a KK direction, fig. 10 is a schematic view of a section of the guide sleeve seat in the machine tool shown in fig. 6, and fig. 11 is a schematic view of a structure of a connecting member in the machine tool shown in fig. 6. The guide sleeve holder 12 includes an inner wall 128 forming the fixing hole 124, the inner wall having a first connecting structure 1282, and the outer wall of the connecting member 16 having a second connecting structure 162 fitted to the first connecting structure 1282. The guide sleeve holder 12 and the connecting piece 16 can be better connected and fixed by the inner wall 128 with the first connecting structure 1282 and the connecting piece 16 with the second connecting structure 162. Of course, in other embodiments, the inner wall and the connecting member 16 may not be provided with a connecting structure.

For example, the first and second connection structures may be cooperating thread structures, the first connection structure being a first thread and the second connection structure being a second thread. Specifically, inner wall 128 includes a first portion adjacent guide sleeve seat 14, and first threads 1282 are disposed on the first portion. The inner wall 128 further includes a second portion distal from the guide sleeve seat 14, which may be provided without the first threads. The first thread 1282 is arranged on only the first part of the inner wall 128, so that the screwing stroke of the connecting piece 16 and the inner wall 128 can be shortened, and the connecting piece 16 can be easily assembled and disassembled only by screwing a short stroke during the assembly and disassembly.

One end of the connecting member 16 is disposed in the fixing hole 124, the other end of the connecting member 16 is connected to the engaging groove 142, and the second thread 162 is disposed at one end of the connecting member 16 disposed in the fixing hole 124. Only a portion of the connector 16 is provided with the second thread 162.

Optionally, in some embodiments, all of the inner walls may be provided with first threads, only one end of the connecting member is provided with second threads, the end not provided with the second threads enters the fixing hole and is clamped with the clamping groove, and the end provided with the second threads is fixed to the first threads of the inner walls in a threaded manner. In another embodiment, only a first portion of the inner wall may be provided with the first thread and the connecting member may be provided with the second thread throughout.

Alternatively, the end of the connector 16 that is inserted into the slot may be chamfered or rounded to facilitate smooth insertion into the slot through the end having the chamfer or rounded.

The other end of the connecting member 16 may be slotted or countersunk to provide a hexagonal socket for a corresponding tool to rotate the connecting member 16.

Referring to fig. 7, to facilitate the fastening of the locking groove 142 to the connecting element 16, the locking groove 142 may be disposed around the outer wall of the guide sleeve seat 14. In this way, no matter how the guide sleeve holder 14 is installed in the assembling hole 122, the clamping groove 142 can be just opposite to the fixing hole 124, so that the guide sleeve holder 14 and the guide sleeve bracket 12 can be conveniently connected by the connecting piece 16. Of course, in other embodiments, the locking groove may be disposed around a portion of the outer wall of the guide sleeve holder, such as only half of the circumference of the outer wall of the guide sleeve holder.

Wherein, the section of the clamping groove 142 can be set as required. The cross-sectional shape of slot 142 matches the cross-sectional shape of the end of connector 16 that engages slot 142. For example, the cross-section of slot 142 is semi-circular, and the cross-section of the end of connector 16 that engages slot 142 is rectangular, and the rectangle includes a top edge that faces slot 142 and a bottom edge that faces away from slot 142, with the length of the top edge being less than the length of the bottom edge. The clamping groove 142 with the semicircular section can be well clamped with the end part of the connecting piece 16, and the end part of the connecting piece 16 can be slightly smaller than the size of the top opening of the clamping groove 142, so that the connecting piece 16 is clamped and matched with the clamping groove 142 after being clamped into the clamping groove 142.

The number of the fixing holes 124 may be set as desired. The number of the fixing holes 124 may be 1 or more. For example, the plurality of fixation holes 124 may be 2, 3, or more. Wherein, a plurality of fixing holes 124 are arranged on the same side of the guide sleeve bracket 12. The fixing holes 124 are arranged on one side of the guide sleeve support 12, so that the guide sleeve support 12 can work on one side of the guide sleeve support 12 in both installation and disassembly, operation is convenient, and efficiency is improved.

Illustratively, referring to fig. 12, fig. 12 is another schematic cross-sectional view of the machine tool shown in fig. 5 along the BB direction. When the number of the fixing holes 124 is 2, the fixing holes 124 include a first fixing hole 1242 and a second fixing hole 1244, correspondingly, the connecting member 16 includes a first connecting member 166 passing through the first fixing hole 1242 and a second connecting member 168 passing through the second fixing hole 1244, and the first connecting member 166 and the second connecting member 168 are disposed at two sides of the guide sleeve seat 14. The first connecting member 166 and the second connecting member 168 limit the position of the guide sleeve seat 14 from both sides of the guide sleeve seat 14, so that the guide sleeve seat 14 can be more stably limited.

It should be noted that, in this embodiment, the guide sleeve holder 14 is provided with the lateral positioning semicircular clamping groove 142, the guide sleeve bracket 12 is provided with the lateral fixing hole 124 corresponding to the clamping groove 142, the fixing hole 124 of the guide sleeve bracket 12 is further provided with a section of thread, the guide sleeve is screwed in from the side by using the connecting piece 16 (such as a cylindrical screw), and the cylinder of the cylindrical screw is inserted into the clamping groove 142 and the fixing hole 124 for clamping and fixing. The guide sleeve seat 14 which is frequently assembled and disassembled in demand is positioned in a lateral clamping groove 142 mode, so that the guide sleeve seat can be easily and quickly assembled and disassembled, and meanwhile, the requirements of accurate positioning, strength rigidity and the like are met.

Referring to fig. 7 and 13, fig. 13 is a schematic structural diagram of a guide sleeve according to an embodiment of the present application. The guide sleeve seat 14 is further provided with a positioning through hole 148 through which the bead screw passes, the guide sleeve 18 is provided with a positioning concave ring groove 182, and the positioning concave ring groove 182 is arranged opposite to the positioning through hole 148 on the guide sleeve seat 14, so that the bead screw can pass through the positioning through hole 148, one end of the bead screw protrudes out of the positioning through hole 148, and one end of the bead screw protruding out of the positioning through hole 148 is further clamped into the positioning concave ring groove 182, thereby limiting the guide sleeve 18. The positioning through holes 148 may be disposed on the base 144 of the guide sleeve seat 14, and the number of the positioning through holes 148 may be 2, and 2 positioning through holes 148 are disposed on two sides of the base 144 relatively. Correspondingly, the guide sleeve 18 is also provided with 2 positioning concave ring grooves 182, the 2 positioning concave ring grooves 182 are oppositely arranged on two sides of the guide sleeve 18, and the 2 glass bead screws are respectively arranged on one positioning through hole and one positioning concave ring groove, so that the limiting is respectively carried out from two sides of the guide sleeve 18, and the limiting is more stable.

The machine tool of the embodiment ensures and optimizes the main processing operation performance of the deep hole drilling machine tool, provides a convenient and fast way for switching other processing modes, and realizes good operation convenience and functional compatibility of the deep hole drilling machine tool.

The drill gun guide structure and the machine tool provided by the embodiment of the application are described in detail above. The principles and implementations of the present application are described herein using specific examples, which are presented only to aid in understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.