CN211661507U - Tapping mechanism and turn-milling machine tool - Google Patents
Tapping mechanism and turn-milling machine tool Download PDFInfo
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- CN211661507U CN211661507U CN202020135693.6U CN202020135693U CN211661507U CN 211661507 U CN211661507 U CN 211661507U CN 202020135693 U CN202020135693 U CN 202020135693U CN 211661507 U CN211661507 U CN 211661507U
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Abstract
The utility model discloses a tapping mechanism, it can self-adaptively adjust screw tap and the position of bottom outlet on the horizontal direction. A tapping mechanism comprises a first platform in sliding connection with a sliding table, a first fixing plate fixedly connected with the sliding table, a first connecting rod fixedly connected with the first platform, a first cap fixedly connected with the first connecting rod, a first pre-pressed pressure spring I arranged between the first cap and the first fixing plate, and a second pre-pressed pressure spring arranged between the first platform and the first fixing plate; the first platform is fixedly connected with the first platform, the second platform is in sliding connection with the first platform, the second fixing plate is fixedly connected with the second platform, the second connecting rod is fixedly connected with the first platform, the second cap is fixedly connected with the second connecting rod, a first pre-pressed second pressure spring is arranged between the second cap and the second fixing plate, and a second pre-pressed second pressure spring is arranged between the first platform and the second fixing plate. The utility model also discloses a turn-milling lathe.
Description
Technical Field
The utility model belongs to the technical field of tapping equipment.
Background
Chinese utility model patent with publication number CN208147331U and publication number 2018, 11.27.8 discloses a drilling and tapping combined machine tool, which comprises a machine tool body, wherein a square-tube-shaped upright post is arranged at the central position of the upper surface of the machine tool body, a hydraulic rotary worktable is arranged at the part of the upper surface of the machine tool body, which is positioned at the periphery of the upright post, the hydraulic rotary worktable rotates around the center of the upright post under the driving of a hydraulic driving device, a workpiece clamp is arranged on the upper surface of the hydraulic rotary worktable, the four surfaces of the upright post are sequentially provided with an empty station, a drilling device, a chamfering device and a tapping device, the upright post is used for installing the drilling device, the surfaces of the chamfering device and the tapping device are provided with vertical slide rails, the drilling device, the chamfering device and the tapping device are respectively installed on the corresponding vertical slide rails in a sliding mode, and the stand column is further provided with a driving hydraulic oil cylinder which is respectively used for driving the drilling device, the chamfering device and the tapping device to ascend and descend along the corresponding vertical slide rails.
The drilling and tapping combined machine tool with the structure adopts a rigid tapping structure, and is used for mutually restricting the process of a hydraulic oil cylinder and the process of a screw tap when a large-nominal-diameter threaded hole on a large workpiece is machined, so that thread slipping (thread damage) is easily caused.
Disclosure of Invention
The utility model aims at providing a tapping mechanism, before the tapping, its position on the horizontal direction of screw tap and bottom outlet can be adjusted adaptively.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the utility model provides a tapping mechanism, includes the frame, forms sliding connection's sliding stand with the frame, is connected with the sliding stand and controls the straight reciprocating motion mechanism that the sliding stand removed, its characterized in that: the floating platform comprises a first platform, a first fixing plate, a first connecting rod and a first cap part, wherein the first platform is connected with the sliding platform in a sliding mode, the first fixing plate is fixedly connected with the sliding platform, the first fixing plate is provided with a first hole, the first connecting rod is fixedly connected with the first platform, the first connecting rod penetrates through the first hole and is in clearance fit with the first hole, the first cap part is fixedly connected with the first connecting rod, a first pre-pressed pressure spring I is arranged between the first cap part and the first fixing plate, and a second pre-pressed pressure spring is arranged between the first platform and the first fixing plate; the first platform is fixedly connected with the first platform, the second platform is in sliding connection with the first platform, the second platform is perpendicular to the first platform, the second fixing plate is fixedly connected with the second platform, the second fixing plate is provided with a second hole, the second connecting rod is fixedly connected with the first platform, the second connecting rod penetrates through the second hole and is in clearance fit with the second hole, the second cap is fixedly connected with the second connecting rod, a first pre-pressed second pressure spring is arranged between the second cap and the second fixing plate, and a second pre-pressed second pressure spring is arranged between the first platform and the second fixing plate.
On the basis of the above scheme and as a preferable scheme of the scheme: the linear reciprocating mechanism is a cylinder.
The utility model also provides an use foretell tapping mechanism's turnning and milling lathe, including the frame work platform base, set up on the workstation base and rotatable workstation, set up in the machining center who has the turnning and milling function of workstation side.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
the utility model discloses a tapping mechanism has adopted mobilizable first platform and second platform structure to adopt the structure assembly of pressure spring, release the space and make the screw tap can remove in the certain limit by corresponding pressure spring, from this, when the screw tap contacts the bottom outlet before the tapping, the screw tap receives the reaction force of work piece bottom outlet and can self-adaptively adjust the relative position of horizontal direction, thereby makes screw tap and bottom outlet coaxial line, thereby guarantees the thread machining precision.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a partial structural sectional view of the present invention.
Fig. 3 is a schematic view of a part of the structure of the present invention.
Fig. 4 is an enlarged view of a portion of the structure of fig. 3.
Fig. 5 is an enlarged view of a portion of the structure of fig. 3.
Detailed Description
In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step, based on the given embodiments, fall within the scope of protection of the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
It should be noted that the terms "slewing bearing", "circular grating", etc. are all parts conventionally used in the art, and the above technical features are not the invention point of the present invention, so the structure and the assembly of the "slewing bearing" and the "slewing bearing" are not described in detail.
The utility model discloses a machine tool, including workstation base 100, set up on the workstation base 100 and rotatable workstation 200, set up in the machining center 300 that has the drilling function of workstation 200 side, set up in the tapping frame 101 of the side of machining center 300, be equipped with flexible tapping mechanism 400 on the tapping frame 101.
It should be noted that the machining center 300 may also have other functions, such as turning, milling, etc. Therefore, the machine tool of the utility model can be used as a turning and milling machine tool.
Referring to fig. 3, the flexible tapping mechanism 400 includes a frame 401, a slide block 402 slidably coupled to the frame 401 in a straight line, a cylinder 403 coupled to the slide block 402 and controlling movement of the slide block 402, and a tapping unit (not shown) disposed on the slide block 402. Typically, the tapping assembly includes a servo motor and a tap connected to an output shaft of the servo motor.
In a specific application, the air cylinder 403 controls the sliding table 402 to move downwards, so that the screw tap can abut against the bottom hole, and then the servo motor is started to tap the threads. The structure is adopted to process the threaded hole of the large nominal direct game, so that the qualification rate can be ensured. Specifically, in the initial stage of tapping, the resistance of the tap is small, a section of thread is easy to machine on a bottom hole of a workpiece, the resistance of the tap is increased in the later stage of tapping, however, the feeding amount of tapping is mainly determined by the number of turns of the tap and the thread pitch, so that in the tapping process, the feeding amount is always consistent with the progress of the tap, accompanying tapping is formed, and the phenomena of thread slipping and the like are avoided.
In one embodiment, the frame 401 includes a lower frame 4011 and an upper frame 4012, the upper frame 4012 being configured to mount the sliding table 402; the lower housing 4011 is circumferentially rotatable relative to the upper housing 4012 and is locked to each other by a locking mechanism.
In specific application, the upper frame 4012 can rotate relative to the lower frame 4011 by operating the locking mechanism, the tapping position is adjusted within a certain range to be suitable for workpieces with different specifications, and after a preset tapping position is obtained, the upper frame 4012 and the lower frame 4011 are locked together by operating the locking mechanism, so that the upper frame 4012 and the lower frame 4011 are kept relatively fixed.
In one embodiment, the locking mechanism includes an open slot 4013 disposed on the lower frame 4011, a through hole 4014 disposed on the upper frame 4012, a head of the locking pin 4015 is received in the open slot 4013, the head of the locking pin 4015 and the open slot 4013 form a sliding fit, a body of the locking pin 4015 extends out of the open slot 4013 and passes through the through hole 4014, and a nut (not shown) is screwed on the body of the locking pin 4015. The body part of the locking pin is slightly smaller than the outer diameter of the through hole. In a specific application, the nut is loosened to make the upper frame 4012 rotatable relative to the lower frame 4011, and after the phase position of the upper frame 4012 is adjusted, the nut is tightened to make the upper frame 4012 and the lower frame 4011 relatively fixed. In this embodiment, the opening groove 4013 has a circular arc structure, and the locking pin 4015 and the nut have 4 sets, and the 4 sets of the locking pin 4015 and the nut are also used for centering during the relative position adjustment of the upper frame 4012.
As shown in the figures, in this embodiment, the tapping assembly is mounted to the slide table 402 by a floating platform. Through the floating platform structure, the tapping assembly can be positioned in the horizontal direction, certain floating amount is provided in the horizontal water direction, the precision error can be compensated, and the tap can be positioned in a self-adaptive manner in the tapping process. The floating platform includes a first platform 4031 slidably coupled to the sliding platform 402. in this embodiment, the first platform 4031 is coupled to the sliding platform 402 via a rail pair 4032. A first fixing plate 4033 fixedly connected with the sliding table 402, the first fixing plate 4033 is provided with a first hole 4034, a first connecting rod 4035 fixedly connected with the first platform 4031, the first connecting rod 4035 penetrates through the first hole 4034 and forms clearance fit with the first hole 4034, a first cap 4036 fixedly connected with the first connecting rod 4035, a first pressure spring 4037 pre-pressed is arranged between the first cap 4036 and the first fixing plate 4033, and a second pressure spring 4038 pre-pressed is arranged between the first platform 4031 and the first fixing plate 4033.
A first platform 4041 fixedly connected to the first platform 4031, and a second platform 4042 slidably connected to the first platform 4041. in this embodiment, the second platform 4042 is slidably connected to the first platform 4041 via a pair of rails. The second platform is perpendicular to the sliding direction of the first platform, so that the sliding platform, the first platform and the second platform slide on the three-axis coordinate system. And a second fixing plate 4043 fixedly connected with the second platform 4042, wherein the second fixing plate 4043 is provided with a second hole 4044, a second connecting rod 4045 fixedly connected with the first platform 4041, the second connecting rod 4045 passes through the second hole 4044 and forms clearance fit with the second hole 4044, a second cap portion 4046 fixedly connected with the second connecting rod 4045, a pre-pressed second pressure spring first 4047 is arranged between the second cap portion 4046 and the second fixing plate 4043, and a pre-pressed second pressure spring second 4048 is arranged between the first platform 4041 and the second fixing plate 4043.
The first pressure spring 4037, the second pressure spring 4038, the first second pressure spring 4047 and the second pressure spring 4048 are assembled in a pre-pressing mode, the first platform 4031 and the second platform 4042 are stabilized, and before tapping of the screw tap, when the screw tap and the bottom hole are eccentric, a space is released by the corresponding pressure springs to enable the screw tap to move within a certain range.
In this embodiment, the working table 200 is mounted on the working table 200 through a slewing bearing, the rotary base 102 is arranged on the working table base 100, the radial bearing assembly cavity and the axial bearing assembly cavity are arranged on the working table 200, the rotary base 102 is inserted into the radial bearing assembly cavity and the axial bearing assembly cavity, the radial bearing 201 is mounted in the radial bearing assembly cavity, the axial bearing 202 is mounted in the axial bearing assembly cavity, and the gland 103 fixed on the rotary base 102 compresses the axial bearing in the axial bearing assembly cavity through the spring 104; the gland 103 is provided with a hole 105, and the hole 105 is inserted with a circular grating 106. The table 200 can effectively reduce the operation noise by adopting the assembling structure. Specifically, on the basis that the workbench is installed on the workbench base through the slewing bearing, the radial bearing and the axial bearing are further installed, and the axial bearing is pressed through the spring, so that the workbench works under the action of a pressing force, the workbench is prevented from working in an over-tight or over-loose state, and the working noise is lowered.
In this embodiment, the flexible tapping mechanism 400 is mounted on the tapping frame 101 by a linear reciprocating mechanism.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (3)
1. The utility model provides a tapping mechanism, includes the frame, forms sliding connection's sliding stand with the frame, is connected with the sliding stand and controls the straight reciprocating motion mechanism that the sliding stand removed, its characterized in that: the floating platform comprises a first platform, a first fixing plate, a first connecting rod and a first cap part, wherein the first platform is connected with the sliding platform in a sliding mode, the first fixing plate is fixedly connected with the sliding platform, the first fixing plate is provided with a first hole, the first connecting rod is fixedly connected with the first platform, the first connecting rod penetrates through the first hole and is in clearance fit with the first hole, the first cap part is fixedly connected with the first connecting rod, a first pre-pressed pressure spring I is arranged between the first cap part and the first fixing plate, and a second pre-pressed pressure spring is arranged between the first platform and the first fixing plate; the first platform is fixedly connected with the first platform, the second platform is in sliding connection with the first platform, the second platform is perpendicular to the first platform, the second fixing plate is fixedly connected with the second platform, the second fixing plate is provided with a second hole, the second connecting rod is fixedly connected with the first platform, the second connecting rod penetrates through the second hole and is in clearance fit with the second hole, the second cap is fixedly connected with the second connecting rod, a first pre-pressed second pressure spring is arranged between the second cap and the second fixing plate, and a second pre-pressed second pressure spring is arranged between the first platform and the second fixing plate.
2. The tapping mechanism of claim 1 wherein: the linear reciprocating mechanism is a cylinder.
3. A turn-milling machine tool to which the tapping mechanism of claim 1 or 2 is applied, characterized in that: the automatic turning and milling machine comprises a rack workbench base, a rotatable workbench arranged on the workbench base, and a machining center with a turning and milling function arranged on the side of the workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020135693.6U CN211661507U (en) | 2020-01-20 | 2020-01-20 | Tapping mechanism and turn-milling machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020135693.6U CN211661507U (en) | 2020-01-20 | 2020-01-20 | Tapping mechanism and turn-milling machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211661507U true CN211661507U (en) | 2020-10-13 |
Family
ID=72740224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020135693.6U Active CN211661507U (en) | 2020-01-20 | 2020-01-20 | Tapping mechanism and turn-milling machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211661507U (en) |
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2020
- 2020-01-20 CN CN202020135693.6U patent/CN211661507U/en active Active
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