CN112846267A - Device for processing reverse side chamfer tapping of conducting ring - Google Patents
Device for processing reverse side chamfer tapping of conducting ring Download PDFInfo
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- CN112846267A CN112846267A CN201911176716.6A CN201911176716A CN112846267A CN 112846267 A CN112846267 A CN 112846267A CN 201911176716 A CN201911176716 A CN 201911176716A CN 112846267 A CN112846267 A CN 112846267A
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- conductive ring
- tapping
- processing
- block
- expansion block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
- B23B31/404—Gripping the work or tool by jaws moving radially controlled by conical surfaces
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- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
本发明涉及一种加工导电环反面倒角攻丝的装置，包括放置被加工的导电环(1)的底板(4)，将导电环(1)固定在所述底板(4)上的定位机构，控制导电环(1)在X轴及Y轴方向上的位置，位于所述底板(4)上，嵌设在所述导电环(1)内周内的涨紧机构。与现有技术相比，工件在三爪夹持钻孔后，使用本发明可加工钻孔后的反面倒角并且攻丝，无需重新定位和返丝工序，节省了加工时间和流转时间，工件放置方便，易于夹紧。
The invention relates to a device for machining the reverse side chamfering and tapping of a conductive ring, comprising a bottom plate (4) on which the conductive ring (1) to be processed is placed, and a positioning mechanism for fixing the conductive ring (1) on the bottom plate (4). , controlling the position of the conductive ring (1) in the X-axis and Y-axis directions, located on the bottom plate (4), and a tensioning mechanism embedded in the inner circumference of the conductive ring (1). Compared with the prior art, after the workpiece is clamped by three claws for drilling, the invention can process the back chamfering and tapping after drilling, without the need for repositioning and threading processes, saving processing time and circulation time, and the workpiece Convenient placement and easy clamping.
Description
Technical Field
The invention relates to a processing device, in particular to a device for processing reverse chamfer tapping of a conducting ring.
Background
Machining centers have evolved from numerically controlled milling machines. The numerical control milling machine is different from a numerical control milling machine in that the machining center has the capability of automatically exchanging machining tools, and the machining tools on the main shaft can be changed through the automatic tool changing device in one-time clamping by installing tools with different purposes on the tool magazine, so that multiple machining functions are realized.
The numerical control machining center is a high-efficiency automatic machine tool which consists of mechanical equipment and a numerical control system and is suitable for machining complex parts. The numerical control machining center is one of numerical control machines with highest yield and most extensive application in the world at present. The comprehensive processing capacity is strong, a workpiece can finish more processing contents after being clamped once, the processing precision is high, batch workpieces with medium processing difficulty are processed, the efficiency is 5-10 times that of common equipment, especially, the batch processing method can finish processing which cannot be finished by a plurality of common equipment, and the batch processing method is more suitable for single-piece processing or medium-small batch multi-variety production with complex shapes and high precision requirements. The functions of milling, boring, drilling, tapping, cutting threads and the like are integrated on one device, so that the device has multiple technological means. The machining centers are classified into horizontal machining centers and vertical machining centers according to the spatial position of the main shaft during machining. The machining center is classified into a boring and milling machining center, a combined machining center and the like according to the purposes of the process. The special classification according to the function includes a single working table, a double working table, a multi-working table machining center, a machining center with a single shaft, a double shaft, a triple shaft and a replaceable main shaft box, etc.
The traditional processing method of firstly drilling, then tapping and then chamfering the reverse side is always used, and due to the requirement on the size of the chamfer, burrs can be turned into the threaded holes, bolts cannot pass through the holes, and threads need to be returned.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides the device for processing the reverse chamfer of the conducting ring for tapping, and solves the technical problem that the reverse chamfer tapping cannot be performed in the prior art.
The purpose of the invention can be realized by the following technical scheme:
an apparatus for reverse side chamfer tapping of a machined conductive ring, comprising:
a bottom plate for placing the processed conducting ring,
a positioning mechanism for fixing the conducting ring on the bottom plate to control the position of the conducting ring in the X-axis and Y-axis directions,
and the tensioning mechanism is positioned on the bottom plate and embedded in the inner periphery of the conducting ring.
The positioning mechanism comprises a positioning pin and a spring, the positioning pin penetrates through the fixing hole of the conducting ring and is in transition fit connection with the pin hole in the bottom plate, and the spring is arranged in the pin hole and sleeved on the positioning pin.
The locating pin has a taper, the outer diameter of the top is smaller than that of the bottom, and the taper is 87 degrees. The locating pin that adopts to have the tapering is for with the fixed orifices tight fit, and the tip gets into the fixed orifices in the upper end, and the big head card of lower extreme is in the fixed orifices for the locating pin does not surpass the drill way, and the spring is for adjusting possible aperture deviation, and the fixed orifices is processed by work piece internal diameter benchmark, and only deviation probably is the aperture, and the locating pin that takes the tapering can with the fixed orifices tight fit under part dead weight and spring action.
The length of the positioning pin is smaller than that of the pin hole, so that the cutter is prevented from being interfered during chamfering.
The tensioning mechanism comprises an elastic internal expansion block and a pressing block, the elastic internal expansion block is fixed on the bottom plate, the outer periphery of the elastic internal expansion block is matched with the inner periphery of the conducting ring, and the pressing block is pressed downwards and installed in the elastic internal expansion block.
The elastic internal expansion block is a taper elastic internal expansion block, and the contact surface of the elastic internal expansion block and the pressing block has taper.
The taper elastic internal expansion blocks are at least one, and the periphery formed by each taper elastic internal expansion block is matched with the inner periphery of the conducting ring.
The taper elastic inner expanding block is made of 40Cr, the taper is determined according to the material, the 40Cr can obtain certain toughness, plasticity and wear resistance after proper heat treatment, the taper is good in comprehensive mechanical property, the 70-degree taper can adapt to the toughness and uniform stress of the material, the inner expanding block is ensured to have certain elasticity, and the inner expanding block is enabled to expand outwards after the pressing block is pressed in, and the machined conducting ring is supported.
The pressing block is a tapered pressing block, the contact surface of the pressing block and the elastic inner expansion block has taper, the taper of the pressing block is in complementary fit with the taper of the expansion block, the pressing block is pressed downwards, the inner expansion block expands outwards, and the workpiece is supported.
The pressing block is fixedly arranged on the bottom plate through the fixing piece, for example, bolts can be adopted for fixed connection, when the pressing block is connected, one bolt can be arranged in the center of the pressing block, then a plurality of bolts are arranged around the center bolt, and the positioning and pressing effects are best.
If the hole position degrees are not different, the compressed conducting rings can share conducting rings with various specifications.
Compared with the prior art, the three-jaw drilling can be firstly used, all the holes and the thread bottom holes are clamped and processed by the three jaws, the chamfer of the hole is processed by the technical scheme disclosed by the invention, and then the thread bottom hole is tapped, so that the circulation time and the thread returning process are saved, and the efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention in an embodiment;
FIG. 2 is a schematic top view of the present invention;
fig. 3 is a schematic sectional view of the plane a-a in fig. 2.
In the figure, a 1-conducting ring, a 2-taper elastic internal expansion block, a 3-taper pressing block, a 4-bottom plate, a 5-positioning pin, a 6-M20 bolt, a 7-M10 bolt and an 8-spring are arranged.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Examples
A device for processing reverse chamfer tapping of a conductive ring is structurally shown in figures 1-3 and mainly comprises a bottom plate 4, a positioning mechanism and a tensioning mechanism, wherein the positioning mechanism and the tensioning mechanism are connected to the bottom plate 4. The processed conducting ring 1 is placed on the bottom plate 4, and the bottom plate 4 can be of a circular structure as in the embodiment, and can also be of other shapes without any limitation, so that the conducting ring 1 is ensured to be placed conveniently. The positioning mechanism can control the position of the conducting ring 1 in the X-axis and Y-axis directions, and cannot move in the X-axis and Y-axis directions, the tensioning mechanism is also fixed on the bottom plate 4, and the tensioning mechanism is embedded in the inner periphery of the conducting ring 1.
Specifically, the positioning mechanism includes a positioning pin 5 and a spring 8, the positioning pin 5 passes through the fixing hole of the conductive ring 1 and is in transition fit with the pin hole on the bottom plate 4, and the spring 8 is disposed in the pin hole and sleeved on the positioning pin 5, as shown in fig. 3.
The locating pin 5 used has a taper with an outer diameter at the top which is less than the outer diameter at the bottom, the taper being 87 °. The locating pin that adopts to have the tapering is for with the fixed orifices tight fit, and the tip gets into the fixed orifices in the upper end, and the big head card of lower extreme is in the fixed orifices for the locating pin does not surpass the drill way, and the spring is for adjusting possible aperture deviation, and the fixed orifices is processed by work piece internal diameter benchmark, and only deviation probably is the aperture, and the locating pin that takes the tapering can with the fixed orifices tight fit under part dead weight and spring action. And the length of the positioning pin 5 is smaller than that of the pin hole, so that the conducting ring can be prevented from interfering with a cutter when being chamfered.
The used tensioning mechanism comprises an elastic internal expansion block and a pressing block, the elastic internal expansion block is fixed on the bottom plate 4, the outer periphery of the elastic internal expansion block is matched with the inner periphery of the conducting ring 1, and the pressing block is pressed downwards and installed in the elastic internal expansion block. The used elastic internal expansion block is a tapered elastic internal expansion block 2, and the contact surface of the elastic internal expansion block and the pressing block has taper. Similarly, the used pressing block is a tapered pressing block 3, the contact surface of the tapered pressing block and the tapered elastic internal expansion block 2 is tapered, the taper of the pressing block is in complementary fit with that of the tensioning block, the pressing block is pressed downwards, and the internal expansion block expands outwards to support the workpiece.
At least one, for example four, tapered elastic internal expansion blocks 2 are arranged, and are connected in sequence to form a circular ring structure and matched with the inner circumferential surface of the conductive ring. The material of the used taper elastic inner expanding block 2 is 40Cr, the taper is 70 degrees, the inner expanding block is ensured to have certain elasticity, and thus, after the pressing block is pressed in, the inner expanding block is expanded outwards to support the processed conducting ring.
The taper pressing block 3 is fixedly arranged on the bottom plate 4 through a fixing piece, for example, in the embodiment, an M20 bolt 6 is arranged at the central position of the taper pressing block 3 and is fixed on the bottom plate 4, and in addition, three M10 bolts 7 are uniformly arranged around the M20 bolt 6, so that the positioning and pressing effects are best.
After the conducting ring 4 is completely tensioned and fixed by the device, chamfering and tapping are carried out.
In the description of the present invention, it is to be understood that the terms "above," "bottom," "parallel," "intermediate," and the like are used merely for convenience in describing and simplifying the present invention, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean 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 embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911176716.6A CN112846267A (en) | 2019-11-26 | 2019-11-26 | Device for processing reverse side chamfer tapping of conducting ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911176716.6A CN112846267A (en) | 2019-11-26 | 2019-11-26 | Device for processing reverse side chamfer tapping of conducting ring |
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| Publication Number | Publication Date |
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| CN112846267A true CN112846267A (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911176716.6A Pending CN112846267A (en) | 2019-11-26 | 2019-11-26 | Device for processing reverse side chamfer tapping of conducting ring |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990014449U (en) * | 1997-10-02 | 1999-05-06 | 추호석 | Easy to use spring type location jig |
| CN103921142A (en) * | 2014-04-18 | 2014-07-16 | 蒋剑锋 | Fixing clamp for turning special-shaped workpiece |
| CN107877420A (en) * | 2017-12-09 | 2018-04-06 | 无锡特恒科技有限公司 | Elastic taper pin positioning mechanism |
| CN208147331U (en) * | 2018-05-11 | 2018-11-27 | 烟台环球机床装备股份有限公司 | A kind of drilling and taping aggregate machine tool |
| CN211161986U (en) * | 2019-11-26 | 2020-08-04 | 上海国上机电科技有限公司 | Device for processing reverse side chamfer tapping of conducting ring |
-
2019
- 2019-11-26 CN CN201911176716.6A patent/CN112846267A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990014449U (en) * | 1997-10-02 | 1999-05-06 | 추호석 | Easy to use spring type location jig |
| CN103921142A (en) * | 2014-04-18 | 2014-07-16 | 蒋剑锋 | Fixing clamp for turning special-shaped workpiece |
| CN107877420A (en) * | 2017-12-09 | 2018-04-06 | 无锡特恒科技有限公司 | Elastic taper pin positioning mechanism |
| CN208147331U (en) * | 2018-05-11 | 2018-11-27 | 烟台环球机床装备股份有限公司 | A kind of drilling and taping aggregate machine tool |
| CN211161986U (en) * | 2019-11-26 | 2020-08-04 | 上海国上机电科技有限公司 | Device for processing reverse side chamfer tapping of conducting ring |
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Application publication date: 20210528 |
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