CN209886740U - Guide sleeve and guide mechanism for numerical control drilling machine tool - Google Patents
Guide sleeve and guide mechanism for numerical control drilling machine tool Download PDFInfo
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- CN209886740U CN209886740U CN201821895363.6U CN201821895363U CN209886740U CN 209886740 U CN209886740 U CN 209886740U CN 201821895363 U CN201821895363 U CN 201821895363U CN 209886740 U CN209886740 U CN 209886740U
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- end surface
- numerical control
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Abstract
The utility model discloses a numerical control is guide pin bushing and guiding mechanism for drilling machine, the lateral surface of guide pin bushing is equipped with the portion of snatching that is used for supplying automatic guide pin bushing mechanism to snatch, snatchs the portion including sunken or protruding. The utility model discloses the lateral surface of guide pin bushing is equipped with the portion of snatching, and automatic guide pin bushing mechanism of trading can carry out the automation to the guide pin bushing and change through snatching this portion of snatching, has realized the automatic tool changing of complete machine to improve the production efficiency of numerical control drilling machine, and then realized the automated production of deep hole drilling processing.
Description
Technical Field
The utility model relates to a machine tool structure technical field especially relates to a numerical control is guide pin bushing and guiding mechanism for drilling machine tool.
Background
The numerical control drilling machine is one of the common devices in the mold manufacturing or other metal processing industries, and is generally used for precision drilling of metal blanks. The numerical control machine tool is equipment requiring high machining precision, and the numerical control drilling machine tool usually adopts a deep hole drilling mode for meeting the high precision requirement. The deep hole drill can be processed to obtain round holes with accurate diameter size, high roundness and high verticality. Holes with a hole depth to hole diameter ratio of greater than 6 are often referred to as deep holes in machining.
When a cutter of a deep hole drill is machined, because of the requirements of heat dissipation and cutting and chip removal of the cutter, main shaft oil cooling is generally adopted, meanwhile, because of the characteristics of slender drill rod and poor rigidity of the cutter, a guide sleeve needs to be arranged at the front end of the cutter for guiding, the guide sleeve needs to be used for guiding and sealing oil simultaneously, important parts of the deep hole drill are formed together with the cutter, the cutter and the guide sleeve are matched in size and specification, the cutter is installed on a main shaft cutter handle, the guide sleeve needs to be additionally provided with a supporting structure for fixing, and during machining, the center of the guide sleeve and the center of a main shaft need to be.
The development of numerical control machine tools aims to seek high speed, high precision and high efficiency. With the increase of the cutting speed, the cutting time is continuously shortened, and the requirement on the cutter changing time is gradually increased; whether automatic tool changing can be realized becomes an important index of a numerical control machine tool, and the automatic tool changing technology is a technical method for finishing tool changing in the shortest time as far as possible by taking various factors of a machine tool into comprehensive consideration and mainly aiming at reducing invalid machining time.
However, the cutter and the guide sleeve must be matched with the same specification to be used, the guide sleeve needs to be replaced after the cutter is replaced, the existing guide sleeve cannot be grabbed by the automatic guide sleeve replacing mechanism due to the appearance and the fixing mode of the existing guide sleeve, namely, the guide sleeve cannot be automatically replaced, and therefore the production efficiency of the numerical control drilling machine tool is reduced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a guide sleeve and guiding mechanism for numerical control drilling machine tool, it has solved current guide sleeve because its appearance and fixed mode lead to it can't be traded guide sleeve mechanism automatically and snatched, can't carry out the technical problem of automatic change to the guide sleeve.
The utility model discloses a following technical scheme realizes:
the utility model provides a numerical control is guide pin bushing for drilling machine tool, the lateral surface of guide pin bushing is equipped with the portion of snatching that is used for supplying automatic guide pin bushing mechanism to snatch, the portion of snatching is including sunken or protruding.
Furthermore, the guide sleeve comprises a first body and a second body, the first body is used for being inserted and connected with a support assembly card on the machine tool, the second body is axially connected with the first body and is protruded outside the support assembly, a guide through hole which penetrates through the first body and the second body in sequence and is used for a cutter to penetrate through is formed in the guide sleeve along the axial direction of the guide sleeve, and the grabbing portion is arranged on the outer side face of the second body.
Further, the portion of snatching including form in the annular groove of second body lateral surface, the annular groove have open the notch that sets up and with the relative tank bottom surface that sets up in notch interval, the groove width size of annular groove is followed the notch is to the tank bottom surface reduces gradually.
Furthermore, the guide sleeve is made of metal materials, a clamping groove used for being clamped with the support component is concavely arranged on the outer side face of the first body, and the cross section of the clamping groove is arc-shaped or L-shaped or V-shaped or U-shaped.
Furthermore, the outer diameter of the first body is smaller than that of the second body, and a positioning plane used for being attached to the support component is arranged on the end face, close to the first body, of the second body.
Further, the first body is in a circular truncated cone shape, the first body is provided with a first end face and a second end face arranged at an interval back to the first end face, the second end face is connected with the second body, and the outer diameter of the first body is gradually reduced from the second end face to the first end face.
Furthermore, the second body is cylindrical, the second body is provided with a third end face and a fourth end face arranged at an interval back to the third end face, the third end face is coplanar with the second end face, and an annular face of the third end face, which is located on the outer side of the second end face, forms the positioning plane.
Further, an oil sealing plane used for being attached to the workpiece to be machined so as to prevent the cutting fluid from splashing is arranged on the fourth end face.
Further, the guide through hole comprises a first guide hole and a second guide hole, the first guide hole extends from the first end face to the second body, the second guide hole extends from the fourth end face to the first body and is communicated with the first guide hole, the inner diameter of the first guide hole gradually decreases from the first end face to the second guide hole, and the second guide hole extends into the first body.
The utility model also provides a numerical control drilling machine tool guiding mechanism, include the bracket component and as above-mentioned the guide pin bushing, guide pin bushing detachably install in on the bracket component, the portion of snatching on the second body expose in the bracket component outside.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses the lateral surface of guide pin bushing is equipped with the portion of snatching, and automatic guide pin bushing mechanism of trading can carry out the automation to the guide pin bushing and change through snatching this portion of snatching, has realized the automatic tool changing of complete machine to improve the production efficiency of numerical control drilling machine, and then realized the automated production of deep hole drilling processing.
Drawings
Fig. 1 is a cross-sectional view of one embodiment of a guide sleeve for a numerical control drilling machine tool provided by the present invention;
fig. 2 is a cross-sectional view of another embodiment of the guide sleeve for the numerical control drilling machine tool provided by the present invention;
fig. 3 is a cross-sectional view of another embodiment of the guide sleeve for the numerical control drilling machine tool provided by the present invention;
FIG. 4 is a cross-sectional view of a guide sleeve for a CNC drilling machine mounted on a bracket assembly according to an embodiment;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a cross-sectional view of the flange;
FIG. 7 is a schematic view of a guide sleeve holder;
fig. 8 is a schematic structural view of the guide mechanism mounted on the slide.
In the figure: 10. a bracket assembly; 11. a support frame; 111. a guide sleeve bracket; 1111. a base plate; 1112. a connecting plate; 1113. an extension plate; 1114. a first mounting hole; 1115. a concave cavity; 1116. a first perforation; 1117. a second mounting hole; 112. connecting blocks; 113. a slider; 12. a flange; 121. a first annular body; 122. a second annular body; 123. a holding body; 124. an assembly hole; 20. a guide sleeve; 21. a guide sleeve body; 22. a first body; 221. a clamping groove; 222. a first end face; 23. a second body; 231. a grasping section; 2311. a notch; 2312. the bottom surface of the groove; 232. positioning a plane; 233. a third end face; 234. a fourth end face; 2341. an oil seal plane; 24. a guide through hole; 241. a first guide hole; 242. a second guide hole; 30. a slide base; 31. a drive mechanism.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
As shown in fig. 1-8, the utility model provides a guiding mechanism for a numerical control drilling machine tool, in particular to a guiding mechanism for a numerical control deep hole drilling machine tool. The guide mechanism comprises a bracket component 10 and a guide sleeve 20 detachably mounted on the bracket component 10, the bracket component 10 is used for connecting with a slide 30 on a numerical control drilling machine tool, the guide sleeve 20 is detachably connected with the bracket component 10, the bracket component 10 is provided with a mounting hole 124, the guide sleeve 20 is mounted in the mounting hole 124, the guide sleeve 20 comprises a guide through hole 24 and a grabbing part 231, the guide through hole 24 is used for a cutter (not shown in the figure) of the numerical control drilling machine tool to penetrate through, the grabbing part 231 is protruded out of the mounting hole 124 on the bracket component 10, the grabbing part 231 is used for a guide sleeve automatic changing mechanism (not shown in the figure) to grab, the grabbing part 231 can be a concave or convex part, the concave or convex part is convenient for the guide sleeve automatic changing mechanism to grab so as to realize the automatic guide sleeve changing mechanism to automatically change the guide sleeve 20, the guide sleeve automatic guide sleeve changing mechanism in the embodiment comprises an automatic, the automatic cutter changing mechanism and the automatic guide sleeve changing mechanism can be combined together for use and can also be separately arranged for use.
In this embodiment, the guide sleeve 20 is made of a metal material such as tungsten steel, and includes a guide sleeve body 21, the guide sleeve body 21 includes a first body 22 and a second body 23, the first body 22 is inserted into the bracket assembly 10, the second body 23 is axially connected to the first body 22 and protrudes outside the assembling hole 124 on the bracket assembly 10, the guiding through hole 24 sequentially penetrates through the first body 22 and the second body 23, and the grabbing portion 231 includes an annular groove formed on the outer side surface of the second body 23, so that the guide sleeve 20 can be quickly grabbed by the automatic guide sleeve replacing mechanism.
Preferably, the annular groove has a notch 2311 arranged in an open manner and a groove bottom surface 2312 arranged opposite to the notch 2311 at a spacing, the cross section of the annular groove can be in a trapezoid structure, a U-shaped structure, a V-shaped structure or the like, the cross section of the annular groove in the embodiment is preferably in a trapezoid structure, and the groove width dimension of the annular groove is gradually reduced from the notch 2311 to the groove bottom surface 2312, so that the automatic guide sleeve changing mechanism can be clamped quickly. In the embodiment, the size parameter of the annular groove can be designed according to the BT30 standard, but is not limited to the standard parameter, and the BT30 standard is the currently popular spindle tool shank connection standard. It will be appreciated that the annular groove may be a complete continuous annular groove or may be divided into a plurality of discrete arcuate grooves.
Preferably, the bracket assembly 10 includes a support frame 11 and a flange 12, the support frame 11 is used for connecting with the slide 30, the flange 12 is used for inserting and mounting the guide sleeve 20 onto the support frame 11, a first mounting hole 1114 penetrating through the support frame 11 is arranged in the middle of the support frame 11, the flange 12 is mounted in the first mounting hole 1114, and the assembly hole 124 is opened on the flange 12. When the guide sleeve 20 and/or the flange 12 need to be replaced due to excessive wear, the guide sleeve 20 and/or the flange 12 can be directly replaced, and the original support frame 11 is reserved, so that the maintenance cost is saved.
Preferably, the guiding mechanism for the numerical control drilling machine further includes a plurality of fasteners, the supporting frame 11 is preferably of a "U" shape, the first mounting hole 1114 includes a cavity 1115 and a first through hole 1116, the cavity 1115 is recessed at the bottom of the supporting frame 11, the first through hole 1116 extends from the bottom of the cavity 1115 to the top of the supporting frame 11, the bottom of the cavity 1115 is provided with a plurality of second mounting holes 1117, the plurality of second mounting holes 1117 surround the outside of the first through hole 1116, the flange 12 includes a first annular body 121 and a second annular body 122 axially connected to the first annular body 121, the first annular body 121 is cooperatively connected to the first through hole 1116, the second annular body 122 is cooperatively connected to the cavity 1115, the outer diameter of the second annular body 122 is larger than the outer diameter of the first annular body 121, the second annular body 122 is provided with a plurality of second through holes (not shown), each fastener is respectively threaded through each second through hole and then is connected to each second mounting hole 1117, thereby fixing the flange 12 to the support frame 11.
Referring to fig. 6, in the present embodiment, the flange 12 includes an assembly hole 124 for installing the guide sleeve 20, the assembly hole 124 sequentially penetrates through the first annular body 121 and the second annular body 122, the flange 12 further includes a plurality of elastic retaining bodies 123, the first body 22 on the guide sleeve 20 extends into the assembly hole 124, a retaining groove 221 is disposed on an outer side surface of the first body 22, a cross section of the retaining groove 221 is arc-shaped, L-shaped, V-shaped, or U-shaped, in the present embodiment, the retaining groove 221 is preferably an arc-shaped groove, a plurality of third installation holes (not labeled in the figure) corresponding to positions of the retaining groove 221 are disposed on the first annular body 121 of the flange 12, the plurality of retaining bodies 123 are respectively installed in the third installation holes, and front ends thereof can extend into the assembly hole 124 of the flange 12 until abutting against the retaining groove 221 on the guide sleeve 20, the retaining bodies 123 are preferably glass bead screws, the utility model discloses well flange 12 utilizes the glass pearl screw to fix a position the restriction to screens recess 221, ensure that guide pin bushing 20 can not drop after the installation, the card body 123 can break away from mutually with screens recess 221 fast when needs, the quantity of the card body 123 in this embodiment is four, four card bodies 123 are circular equidistant to install on flange 12 and all block and arrange screens recess 221 in, as shown in fig. 5, so set up, can make guide pin bushing 20 atress balanced, be convenient for guide pin bushing 20 butt better on treating the machined part.
The outer diameter of the first body 22 on the guide sleeve 20 is smaller than that of the second body 23, a positioning plane 232 which is used for being attached to the bottom surface of the flange 12 and is of an annular structure is arranged at the position, close to the first body 22, of the second body 23, and the perpendicularity of the guide sleeve body 21 after installation can be ensured by utilizing the fact that the positioning plane 232 is attached to the corresponding plane of the flange 12.
The first body 22 on the guide sleeve 20 is preferably in a truncated cone shape, the first body 22 has a first end face 222 and a second end face (not shown in the figure), the second end face and the first end face 222 are arranged in a back-to-back spaced manner, the second end face is connected with the second body 23, the outer diameter of the outer side face of the first body 22 is gradually reduced from the second end face to the first end face 222, and the inner side face of the assembling hole 124 is matched with the outer side face of the first body 22, so that the first body 22 on the guide sleeve 20 can be rapidly installed into the assembling hole 124 of the flange 12 from the bottom face of the flange 12. When the first body 22 is installed into the assembly hole 124 of the flange 12 from the bottom surface of the flange 12, the bead screw can exit the assembly hole 124 under the pressing action of the first body 22, and when the retaining groove 221 of the first body 22 is opposite to the bead screw, the bead screw can be retained in the retaining groove 221 of the guide sleeve 20 under the elastic action.
The second body 23 of the guide sleeve 20 is preferably cylindrical, the second body 23 has a third end surface 233 and a fourth end surface 234, the fourth end surface 234 and the third end surface 233 are spaced away from each other, the third end surface 233 and the second end surface are coplanar, and the annular surface of the third end surface 233 located outside the second end surface forms the above-mentioned positioning plane 232.
The fourth end face 234 is provided with an annular oil sealing plane 2341, and when the numerical control drilling machine carries out drilling processing, the oil sealing plane 2341 is tightly attached to the surface of a workpiece to be machined so as to prevent cutting fluid from splashing.
The guide through hole 24 includes a first guide hole 241 and a second guide hole 242, the first guide hole 241 extends from the first end face 222 to the second body 23, the second guide hole 242 extends from the fourth end face 234 to the first body 22 and is communicated with the first guide hole 241, and the inner diameter of the first guide hole 241 decreases gradually from the first end face 222 to the second guide hole 242, so that the cutter can pass through the guide sleeve 20 and the waste chips can be discharged. The second guide hole 242 has a diameter slightly larger than that of the mating cutter so that the cutter can freely rotate therein, and the second guide hole 242 extends into the first body 22.
The support frame 11 includes a guide sleeve support 111 and two connection blocks 112, the guide sleeve support 111 is connected to the flange 12, the two connection blocks 112 are respectively used for being connected to the driving mechanism 31 on the slide carriage 30, the guide sleeve support 111 is in a U-shaped structure, the connection blocks 112 are in an L-shape, one end of each connection block 112 is fixedly connected to a shoulder of the guide sleeve support 111, the other end of each connection block 112 is fixedly connected to an output end of the driving mechanism 31, the number of the driving mechanisms 31 corresponds to the number of the connection blocks 112, the connection blocks 112 are used in pairs with the driving mechanism 31, the driving mechanism 31 drives the connection blocks 112 to reciprocate, the first mounting hole 1114 is disposed in the middle of the guide sleeve support 111, the two connection blocks 112 are respectively mounted on side surfaces of two ends of the guide sleeve support 111, and.
The supporting frame 11 further includes two sliding blocks 113, the two sliding blocks 113 are respectively used for being connected with two sliding rails (not shown) on the sliding base 30, the two sliding blocks 113 are respectively installed on top wall surfaces of the two shoulder ends of the guide sleeve bracket 111, and the two sliding blocks 113 are respectively used for being slidably connected with the two sliding rails on the sliding base 30, so that the supporting frame 11 runs more stably.
Preferably, the guide sleeve support 111 comprises a bottom plate 1111, two connecting plates 1112 and two extending plates 1113, two ends of the connecting plates 1112 are respectively connected with the extending plates 1113 and the bottom plate 1111 and are respectively arranged at an included angle with the extending plates 1113 and the bottom plate 1111, two sliding blocks 113 are respectively mounted on the upper surfaces of the two extending plates 1113, two connecting blocks 112 are respectively mounted on the side surfaces of the two extending plates 1113, and the first mounting hole 1114 is located on the bottom plate 1111, so that the whole guide sleeve support 111 is of a U-shaped structure.
Specifically, the upper surfaces of the two sliding blocks 113 are respectively provided with a sliding groove (not shown in the figure), the two sliding blocks 113 are respectively installed on the upper surfaces of the two extension plates 1113, the two sliding rails are respectively arranged at two ends of the bottom of the sliding base 30, the two sliding grooves are respectively connected with the two sliding rails in a matching manner, meanwhile, the two driving mechanisms 31 are respectively arranged on two side surfaces of the sliding base 30 and are respectively close to the two sliding rails, the two connecting blocks 112 are respectively installed on the outer side surfaces of the two extension plates 1113, the two driving mechanisms 31 simultaneously drive the two connecting blocks 112 to move, and under the matching action of the sliding rails and the sliding grooves, so that the supporting frame 11 is more stable in.
The utility model also provides a numerical control drilling machine tool, including the stand, be located workstation, slide 30 of stand one side and as above-mentioned numerical control drilling machine tool guiding mechanism, numerical control drilling machine tool guiding mechanism and slide 30 sliding connection. In this embodiment, the column and the table are both mounted above a base.
To sum up, the utility model discloses guide pin bushing 20 is equipped with the portion 231 of snatching including installing first body 22 to on the bracket component 10 and protruding second body 23 that exposes in the outside of bracket component 10, the lateral surface of second body 23, and automatic guide pin bushing mechanism of trading can carry out automatic change to guide pin bushing 20 through snatching this portion 231 of snatching, has realized the automatic tool changing of complete machine to the production efficiency of numerical control drilling machine tool has been improved, and then has realized the automated production of deep-hole drilling processing.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. The utility model provides a guide pin bushing for numerical control drilling machine, its characterized in that: the outer side of the guide sleeve is provided with a grabbing part for the automatic guide sleeve replacing mechanism to grab, and the grabbing part comprises a recess or a protrusion.
2. The guide sleeve for the numerical control drilling machine tool according to claim 1, wherein the guide sleeve comprises a first body for inserting and connecting with a bracket component on the machine tool and a second body axially connected with the first body and protruding outside the bracket component, the guide sleeve is provided with a guide through hole which sequentially penetrates through the first body and the second body and is used for a cutter to pass through along the axial direction of the guide sleeve, and the grabbing part is arranged on the outer side surface of the second body.
3. The guide bush for a numerical control drilling machine according to claim 2, wherein the catching portion includes an annular groove formed on the outer side surface of the second body, the annular groove having a notch provided open and a groove bottom surface provided opposite to the notch at a spacing, the groove width dimension of the annular groove gradually decreasing from the notch toward the groove bottom surface.
4. The guide sleeve for the numerical control drilling machine tool according to claim 2, wherein the guide sleeve is made of a metal material, a clamping groove for clamping with the support component is concavely arranged on the outer side surface of the first body, and the cross section of the clamping groove is arc-shaped or L-shaped or V-shaped or U-shaped.
5. The guide sleeve for the numerical control drilling machine tool according to claim 2, wherein the outer diameter of the first body is smaller than that of the second body, and a positioning plane for being attached to the bracket assembly is arranged on the end face, close to the first body, of the second body.
6. The guide sleeve for the numerical control drilling machine tool according to claim 5, wherein the first body is in a shape of a circular truncated cone, the first body has a first end surface and a second end surface spaced away from the first end surface, the second end surface is connected with the second body, and the outer diameter dimension of the first body is gradually reduced from the second end surface to the first end surface.
7. The guide sleeve for a numerical control drilling machine according to claim 6, wherein the second body is cylindrical, the second body has a third end surface and a fourth end surface spaced away from the third end surface, the third end surface is coplanar with the second end surface, and an annular surface of the third end surface located outside the second end surface forms the positioning plane.
8. The guide sleeve for the numerical control drilling machine tool according to claim 7, wherein an oil sealing plane for fitting with a workpiece to be machined to prevent cutting fluid from splashing is provided on the fourth end surface.
9. The guide bush for a numerical control drilling machine according to claim 7, wherein the guide through hole includes a first guide hole extending from the first end surface in a direction toward the second body, and a second guide hole extending from the fourth end surface in a direction toward the first body and communicating with the first guide hole, the first guide hole having an inner diameter gradually decreasing from the first end surface toward the second guide hole, the second guide hole extending into the first body.
10. A guide mechanism for a numerical control drilling machine, comprising a bracket assembly and a guide sleeve according to claim 9, wherein the guide sleeve is detachably mounted on the bracket assembly, and the gripping part of the second body is exposed outside the bracket assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821895363.6U CN209886740U (en) | 2018-11-15 | 2018-11-15 | Guide sleeve and guide mechanism for numerical control drilling machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821895363.6U CN209886740U (en) | 2018-11-15 | 2018-11-15 | Guide sleeve and guide mechanism for numerical control drilling machine tool |
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| Publication Number | Publication Date |
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| CN209886740U true CN209886740U (en) | 2020-01-03 |
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| CN201821895363.6U Active CN209886740U (en) | 2018-11-15 | 2018-11-15 | Guide sleeve and guide mechanism for numerical control drilling machine tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770420A (en) * | 2021-09-15 | 2021-12-10 | 广东利工设备有限公司 | Drill gun guide mechanism and machine tool |
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2018
- 2018-11-15 CN CN201821895363.6U patent/CN209886740U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770420A (en) * | 2021-09-15 | 2021-12-10 | 广东利工设备有限公司 | Drill gun guide mechanism and machine tool |
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