CN105269012A - Expanding tightening central spindle tool for machining disc parts - Google Patents
Expanding tightening central spindle tool for machining disc parts Download PDFInfo
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- CN105269012A CN105269012A CN201410358803.4A CN201410358803A CN105269012A CN 105269012 A CN105269012 A CN 105269012A CN 201410358803 A CN201410358803 A CN 201410358803A CN 105269012 A CN105269012 A CN 105269012A
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- tightening wheel
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- expanding tightening
- expansion tightening
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Abstract
The invention relates to an expanding tightening central spindle tool for machining disc parts. The expanding tightening central spindle tool comprises a base plate, a positioning core disc and an expanding tightening wheel; an expanding tightening wheel positioning hole and a threaded hole are coaxially formed in the center position of the positioning core disc fixed to the base plate, a plurality of guide sliding grooves are evenly formed in the periphery of the positioning core disc, and an expanding tightening device is arranged in each guide sliding groove; each expanding tightening device is formed by an expanding tightening block, a vertical bolt, a transverse bolt and a pressure spring; the expanding tightening wheel is installed in the expanding tightening wheel positioning hole; and the outer circumferential conic face of the upper end of the expanding tightening wheel is matched with a slope face at the inner ends of the expanding tightening blocks in the expanding tightening devices, the middle portions of the expanding tightening wheels and the expanding tightening wheel positioning hole are in positioning guide fit, and the lower end of the expanding tightening wheel is connected with the threaded hole. When the expanding tightening central spindle tool is used, the axial displacement expanding tightening wheel pushes the circumferentially and evenly distributed expanding tightening devices to conduct expanding tightening on workpieces, the expanding tightening wheel comes back after the to-be-machined workpiece is machined, and the expanding tightening wheel comes back through the pressure spring to release the workpieces.
Description
Technical field
The present invention relates to the processing of dish class machine components, positioning tool, especially a kind of tension mandrel frock of processing disk-like accessory.
Background technology
Flourish in recent years along with cold working industry, more and more prosperous to the demand of various numerical control machining center, drive each enterprise to the demand of frock clamp simultaneously and require more and more higher.
At present, the machine components such as spoke (dish class) adopt circle mandrel location, there is the following aspects problem:
1. precision is low: frock mandrel and product orientation hole belong to matched in clearance, and process exists gap error, causes the product processed to be beated larger with hole location fluctuation;
2. the range of work is little: a mandrel can only process the product of same hole size, changes frock adjustment relatively frequently, loses time again;
3. the frock life-span is short, waste is large: when Product Precision requires high, causes precision to reduce, even scrap (service time about scraps for about three months) after fixed central spindle's wearing and tearing;
4. labour intensity is large, work efficiency is low: workman installs part to be processed at every turn and wants loading, unloading pressing plate (about 5gk), and compresses with nut, requires great effort again during operation cost.
My company is supporting enterprise of Second Automobile Works, produces the processing of the machine components such as various spoke (dish class); For adapting to produce in enormous quantities, under alleviating labor strength and putting forward high-quality prerequisite, devising tension mandrel frock, being widely used in the production and processing of dish class centralized positioning part.
Summary of the invention
The invention provides a kind of tension mandrel frock of processing disk-like accessory, when solving existing frock processing parts, there is low-quality problem, and frock self exists, and the range of work is little, service life is short and use the problems such as labour intensity is large.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of tension mandrel frock of processing disk-like accessory, comprises base plate, locating core disk, expansion tightening wheel; The locating core disk center be fixed on base plate is provided with expansion tightening wheel locating hole, screwed hole is provided with below expansion tightening wheel locating hole, it is characterized in that: locating core disk is evenly distributed in multiple guide chute, be provided with swelling device in each guide chute, each swelling device structure is identical; Swelling device comprises tightening piece, pressure spring slot is provided with in tightening piece, chute is provided with below pressure spring slot, vertical latch lower end is connected with locating core disk through chute, the vertical latch upper end being positioned at pressure spring slot is provided with radial direction through hole, horizontal latch in pressure spring slot is connected with the radial hole of vertical latch, and compression spring sleeve is loaded on horizontal latch, and vertical latch coordinates with tightening piece and can carry out axial compression to stage clip; Expansion tightening wheel is installed in expansion tightening wheel locating hole, and the expansion tightening wheel upper end outer circumferential conical surface matches with the inner inclined-plane of tightening piece, and the middle part of expansion tightening wheel coordinates with expansion tightening wheel locating hole positioning and guiding, and the lower end of expansion tightening wheel is connected with screwed hole; The inner inclined-plane of tightening piece matches with the expansion tightening wheel upper end outer circumferential conical surface; Base plate is evenly distributed in workpiece support block; During use, the expansion tightening wheel of axial displacement promotes the tightening piece tensioner workpiece of circumference uniform distribution, expansion tightening wheel return after work pieces process, and tightening piece, by return spring power return, unclamps workpiece.
Further improve technique scheme, described tightening piece is provided with the pressing plate that can seal stage clip, and pressing plate has dustproof effect.
Further limit technique scheme, described locating core disk, expansion tightening wheel, tightening piece, the workpiece support block trade mark are that the Steel material of T10 is made.
Beneficial effect: when the present invention uses, the inner hole of workpiece be assemblied in frock is corresponding with tightening piece, drive expansion tightening wheel by the screw thread rotation on expansion tightening wheel, the expansion tightening wheel of rotation promotes tightening piece tensioner workpiece by the excircle conical surface, plays the object of location, clamping work pieces; Rotary core shaft in the other direction, tightening piece is by return spring return, and tightening piece unclamps workpiece; There is following effect: 1. improve product quality: eliminate the gap between workpiece and mandrel by the expanding force of tightening piece, within workpiece the beating on mandrel of processing is reduced to present 0.080MM by original 0.20--0.40MM; The position degree of the workpiece hole of processing drops within 0.10 by original 0.2--0.4, highly stable during the processing parts of this mandrel location; 2. the life-span is long, waste is few; Locating core disk, expansion tightening wheel, tightening piece, the workpiece support block trade mark are that the Steel material of T10 is made, and hardness is high, the characteristic of abrasion-resistant by having after Quenching Treatment, after serious wear for ease of maintenaince, grinding; Therefore expansion tightening wheel frock improves more than 10 times than original on service life, thus decreases the wasting of resources; 3. the scope of application is wide, labour intensity is low: same type product, and inner hole of workpiece alignment tolerance, within 3mm, all can use without the need to changing tightening piece; If separately make tightening piece, usable range can be larger, and remodel quickly; 4. the present invention is suitable for multiple disc type work or other hole positioning workpieces processing, and so not only cut the waste, also convenient management, reduces and change the frock time, improves working efficiency.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is the close-up schematic view of A in Fig. 1.
Fig. 3 is the locating core disk structural representation in the present invention.
Fig. 4 is the tightening piece structural representation in the present invention.
Fig. 5 is the vertical latch structure schematic diagram in the present invention.
Fig. 6 is the horizontal latch structure schematic diagram in the present invention.
Fig. 7 is the expansion tightening wheel structural representation in the present invention.
Fig. 8 is assembling schematic diagram of the present invention.
Detailed description of the invention
As shown in Figure 1 and Figure 2, a kind of tension mandrel frock of processing disk-like accessory, comprise base plate 1, locating core disk 2, expansion tightening wheel 3, locating core disk 2 center be fixed on base plate 1 is provided with expansion tightening wheel locating hole, screwed hole is provided with below expansion tightening wheel locating hole, locating core disk 2(is as shown in Figure 3) on be evenly distributed in multiple guide chute 4, be provided with swelling device in each guide chute 4, each swelling device structure is identical; Swelling device comprises tightening piece 5(as shown in Figure 4), pressure spring slot 6 is provided with in tightening piece 5, pressure spring slot 6 is provided with chute 7 below, vertical latch 8(is as shown in Figure 5) lower end is connected with locating core disk 2 through chute 7, vertical latch 8 upper end being positioned at pressure spring slot 6 is provided with radial direction through hole, horizontal latch 9(in pressure spring slot 6 is as shown in Figure 6) be connected with the radial hole of vertical latch 8, stage clip 10 is set on horizontal latch 9, vertical latch 8 coordinates with tightening piece 5 and can carry out axial compression to stage clip 10, and the pressing plate 11 on tightening piece 5 mainly plays dustproof effect; Expansion tightening wheel 3(is as shown in Figure 7) be installed in expansion tightening wheel locating hole, the expansion tightening wheel 3 upper end outer circumferential conical surface matches with the inner inclined-plane of tightening piece 5, the middle part of expansion tightening wheel 3 coordinates with expansion tightening wheel locating hole positioning and guiding, expansion tightening wheel 3 lower end is connected with screwed hole, and the inner inclined-plane of tightening piece 4 matches with the expansion tightening wheel 3 upper end outer circumferential conical surface; Base plate 1 is evenly distributed in workpiece support block 12; As shown in Figure 8, during use, the expansion tightening wheel of axial displacement promotes the swelling device tensioner workpiece of circumference uniform distribution, expansion tightening wheel return after work pieces process, and tightening piece, by stage clip return, unclamps workpiece.
Locating core disk 2 described in the present invention, expansion tightening wheel 3, tightening piece 5, vertically latch 8 and workpiece support block 12 Steel material that the trade mark is T10 are made.
The attached number in the figure 13 of the present invention is expansion tightening wheel mandrels, and 14 is bolts, and 15 is pin holes, and 16 is screws, and 17 is dowel holes, and 18 is workpiece.
Expansion tightening wheel in the present invention and expansion tightening wheel mandrel are single piece, for the ease of understanding present patent application, have carried out label to expansion tightening wheel mandrel, and label is 13.
Claims (3)
1. process the tension mandrel frock of disk-like accessory for one kind, comprise base plate, locating core disk, expansion tightening wheel, the locating core disk center be fixed on base plate is provided with expansion tightening wheel locating hole, screwed hole is provided with below expansion tightening wheel locating hole, it is characterized in that: locating core disk is evenly distributed in multiple guide chute, be provided with swelling device in each guide chute, each swelling device structure is identical, swelling device comprises tightening piece, pressure spring slot is provided with in tightening piece, chute is provided with below pressure spring slot, vertical latch lower end is connected with locating core disk through chute, the vertical latch upper end being positioned at pressure spring slot is provided with radial direction through hole, horizontal latch in pressure spring slot is connected with the radial hole of vertical latch, compression spring sleeve is loaded on horizontal latch, vertical latch coordinates with tightening piece and can carry out axial compression to stage clip, expansion tightening wheel is installed in expansion tightening wheel locating hole, the expansion tightening wheel upper end outer circumferential conical surface matches with the inner inclined-plane of tightening piece, the middle part of expansion tightening wheel coordinates with expansion tightening wheel locating hole positioning and guiding, the lower end of expansion tightening wheel is connected with screwed hole, base plate is evenly distributed in workpiece support block, during use, the expansion tightening wheel of axial displacement promotes the swelling device tensioner workpiece of circumference uniform distribution, expansion tightening wheel return after work pieces process, and swelling device, by stage clip return, unclamps workpiece.
2. a kind of tension mandrel frock of processing disk-like accessory according to claim 1, is characterized in that: described tightening piece is provided with the pressing plate that can seal stage clip.
3. a kind of tension mandrel frock of processing disk-like accessory according to claim 1, is characterized in that: described locating core disk, expansion tightening wheel, tightening piece, the workpiece support block trade mark are that the Steel material of T10 is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410358803.4A CN105269012A (en) | 2014-07-27 | 2014-07-27 | Expanding tightening central spindle tool for machining disc parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410358803.4A CN105269012A (en) | 2014-07-27 | 2014-07-27 | Expanding tightening central spindle tool for machining disc parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105269012A true CN105269012A (en) | 2016-01-27 |
Family
ID=55139336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410358803.4A Pending CN105269012A (en) | 2014-07-27 | 2014-07-27 | Expanding tightening central spindle tool for machining disc parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105269012A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363596A (en) * | 2017-09-07 | 2017-11-21 | 广西玉柴机器股份有限公司 | A kind of manual secondary support means |
| CN109500537A (en) * | 2018-12-28 | 2019-03-22 | 徐工消防安全装备有限公司 | Tension tool and tensioner system |
-
2014
- 2014-07-27 CN CN201410358803.4A patent/CN105269012A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363596A (en) * | 2017-09-07 | 2017-11-21 | 广西玉柴机器股份有限公司 | A kind of manual secondary support means |
| CN109500537A (en) * | 2018-12-28 | 2019-03-22 | 徐工消防安全装备有限公司 | Tension tool and tensioner system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160127 |
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| WD01 | Invention patent application deemed withdrawn after publication |