CN103433349A

CN103433349A - Grooving device of slotting screw plug

Info

Publication number: CN103433349A
Application number: CN201310422620XA
Authority: CN
Inventors: 孙浩儿
Original assignee: NINGBO HAOBO COMMERCE CO Ltd
Current assignee: NINGBO HAOBO COMMERCE CO Ltd
Priority date: 2013-09-16
Filing date: 2013-09-16
Publication date: 2013-12-11
Anticipated expiration: 2033-09-16
Also published as: CN103433349B

Abstract

The invention discloses a grooving device of a slotting screw plug, which belongs to the technical field of fastening piece machining equipment. The grooving device comprises a rack, wherein the rack is fixedly provided with a worktable; the worktable is fixedly provided with a vertically-arranged core mould; the core mould is provided with a guide part adaptive to a blind hole of the slotting screw plug; a plurality of grooves adaptive to an opened slot of the slotting screw plug are formed in the outer periphery of the guide part; each groove corresponds to one slide seat which slides along the radial direction of the core mould; each slide seat is fixedly provided with a puncher pin adaptive to the shape of the opened slot; each slide seat is mounted on the workable in a manner of sliding back and forth under the effect of a power device; the core mould is provided with an air flow channel connected with an air source; the air flow channel is communicated with each groove. According to the grooving device of the slotting screw plug, the problems of a traditional method that the machining quality of the opened slot of the slotting screw plug is poor and the production efficiency is low are solved; the grooving device of the slotting screw plug is widely applied to machining and production of the slotting screw plug.

Description

A kind of fluting plug screw groover

Technical field

The present invention relates to the securing member technical field of processing equipment, relate in particular to a kind of groover of processing fluting plug screw open trough.

Background technology

The fluting plug screw is a kind of common securing member, is widely used in fastener areas.

Typically, fluting plug screw one end is screw thread, and the other end has a blind hole, at blind hole one end, will offer as required two or more open troughs.At present, the normally first machining screw of process of fluting plug screw, and then the blind hole of the processing other end then mill out respectively the two or more pieces open trough on milling machine.But also there is number of drawbacks in this processing method, for example: when the milling open trough, efficiency is low, and because open trough one end wall is thick thinner, milling cutter causes workpiece can produce distortion while contacting with workpiece, the open trough out-of-shape so milled out, even sometimes do not conform with instructions for use, be difficult to unified standard.These all shortcomings have all had a strong impact on the product quality of fluting plug screw.

Therefore, based on above-mentioned defect, at securing member production and manufacture field, still there are research and improved demand for novel fluting plug screw groover, this is also study hotspot and emphasis in current securing member production and manufacture field, the starting point that the present invention is accomplished especially and power place.

Summary of the invention

For many defects of above-mentioned existence, the inventor, through a large amount of further investigations, after having paid sufficient creative work, thereby has completed the present invention.

Particularly, technical problem to be solved by this invention is: a kind of fluting plug screw groover is provided, thus the technological deficiency such as the crudy produced while having solved the open trough of conventional method processing fluting plug screw is poor, production efficiency is low.

For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of fluting plug screw groover is provided, described device comprises frame, be installed with workbench on described frame, be installed with a vertical core arranged on described workbench, on described core, have one with the suitable guide part of blind hole of fluting plug screw, the groove that the outer peripheral face of described guide part is provided with several and the open trough of the plug screw of slotting is suitable, the slide that each groove correspondence one radially slides along described core, the suitable drift of fixed installation one and open trough shape on each described slide, described slide reciprocatingly slides and is installed on described workbench under the power set effect, described core is provided with the gas channel that connects source of the gas, and described gas channel is connected with each described groove.

In described fluting plug screw groover of the present invention, as a kind of improvement, described power set comprise and are positioned at described workbench below and the hinged lever be installed on described frame, one end of described lever and the outer peripheral face of cam offset, the other end offsets with the vertical frustum slided, and the small end of described frustum is near described workbench; The lower surface of described workbench be installed with each described slide position with respect to holder, be rotatablely equipped with rotating shaft on described holder, be installed with an actuating arm and a force arm in described rotating shaft, the end of described actuating arm and the conical surface of described frustum offset, the end of described force arm and described slide offset away from an end of described drift, between each described slide and workbench, are equipped with the first back-moving spring.

In described fluting plug screw groover of the present invention, as a kind of improvement, between the lower surface of described workbench and the small end of described frustum, be provided with the second back-moving spring.

In described fluting plug screw groover of the present invention, as a kind of improvement, the end of described lever is rotatablely equipped with the first guide wheel, and the large end of described the first guide wheel and frustum offsets.

In described fluting plug screw groover of the present invention, as a kind of improvement, the end of described actuating arm is rotatablely equipped with the second guide wheel, and the conical surface of described the second guide wheel and frustum offsets.

In described fluting plug screw groover of the present invention, as a kind of improvement, the end of described force arm is provided with adjusting bolt, and described adjusting bolt is threaded with described force arm and end and the described slide of described adjusting bolt offset.

In described fluting plug screw groover of the present invention, as further improvement, be rotatablely equipped with the 3rd guide wheel on described slide, described adjusting bolt and the 3rd guide wheel offset.

In described fluting plug screw groover of the present invention, as further improvement, described groove evenly is provided with four along the side face of described guide part, and the equal correspondence of described slide, actuating arm and force arm is provided with four groups.

In described fluting plug screw groover of the present invention, as further improvement, the end of described core is provided with a shaft shoulder, the end face of the described shaft shoulder and the upper surface of described workbench offset, fixedly mount to be useful on by securing member on described workbench described core is fixed in to the pressing plate on described workbench, described pressing plate has the cavity that holds the described shaft shoulder, is provided with between described pressing plate and workbench and compresses gap.

In described fluting plug screw groover of the present invention, as further improvement, the outer peripheral face of the described shaft shoulder is provided with some toothed projections, and described pressing plate is provided with the profile of tooth groove suitable with described toothed projections.

After having adopted technique scheme, the present invention has produced the multiple beneficial effect, for example:

1. due to the drift that has designed core and driven by power set, make the processing technology of fluting plug screw that change occur, open trough becomes punching process by traditional milling process, needs multiple clamping in traditional milling process, one by one milling, efficiency is low and the open trough deflection is large, and, after using core that blind hole is supported, a plurality of drifts can a plurality of open troughs of stamping-out moulding, and due to the support of core, the deflection of open trough is little, the open trough uniform specification processed.

2. owing to having used air-flow to blow out relic, reduce operator's workload, greatly improved production efficiency, can meet the production demand of fluting plug screw fully.

3. because a plurality of slides are driven by a power source, make the cost of manufacture of open trough low, and the open trough uniform specification of producing, steady quality.

4. owing to being provided with adjusting bolt, can finely tune the stamping-out position of drift with respect to groove, reduce the requirement of machining accuracy and assembly precision, and effectively guaranteed that relic breaks away from the fluting plug screw fully, further improved the machining accuracy of open trough and the quality of finished product.

5. owing to using pressing plate that core is fixed on workbench, make the angle position of core upper groove to have reduced the requirement of machining accuracy and assembly precision so that adjust, reduced production cost; Again owing to having designed suitable toothed projections and profile of tooth groove between core and pressing plate, make after the core adjustment and locate more accurately, avoided being impacted in the use procedure and the phenomenon of angle displacement has easily occurred.

The accompanying drawing explanation

Below in conjunction with drawings and Examples, the present invention is further described.

Fig. 1 is the structural representation of the embodiment of the present invention;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is the structural representation of embodiment of the present invention core mould;

Fig. 4 is the working state figure of the embodiment of the present invention.

Wherein, in Fig. 1-4, each number designation refer to respectively following concrete meaning, element and/parts.

1, frame, 2, workbench, 3, slide, 4, drift, 5, core, 51, guide part, 52, boss, 53, groove, 54, gas channel, 55, air admission hole, 56, venthole, 57, plug, 58, toothed projections, 6, lever, 7, cam, 8, frustum, 9, actuating arm, 10, holder, 11, rotating shaft, 12, force arm, 13, adjusting bolt, 14, the first guide wheel, 15, the second guide wheel, 16, the 3rd guide wheel, 17, the first back-moving spring, 18, the second back-moving spring, 19, long gain, 20, the fluting plug screw, 21, mount pad, 22, the axis of guide, 23, bearing pin, 24, pressing plate.

The specific embodiment

Below in conjunction with accompanying drawing; the present invention is described in detail by specific embodiment; but the purposes of these property enumerated embodiments and purpose only are used for enumerating the present invention; not real protection scope of the present invention is formed to any type of any restriction, more non-protection scope of the present invention is confined to this.

As Fig. 1, shown in Fig. 2 and Fig. 3 are common, described fluting plug screw groover of the present invention, comprise frame 1, be installed with workbench 2 on frame 1, be installed with a vertical core 5 arranged on workbench 2, on core 5, have one with the suitable guide part 51 of blind hole of fluting plug screw 20, the groove 53 that the outer peripheral face of guide part 51 is provided with several and the open trough of the plug screw 20 of slotting is suitable, during use, guide part 51 inserts the blind hole of plug screw, plug screw to be processed is supported, certainly, in order to locate more accurately, one boss 52 is set below guide part 51, as the end face that supports plug screw blind hole end, groove 53 just extends to boss 52 positions, can avoid so the deep mixed and defect that causes the open trough length difference gone out to strengthen of blind hole, the slide 3 that each groove 53 correspondence one radially slides along core 5, the suitable drift 4 of fixed installation one and open trough shape on each slide 3, slide 3 reciprocatingly slides and is installed on workbench 2 under the power set effect, each slide 3 can have independent power source, also can be by a power source centralized driving.Core 5 is provided with the gas channel 54 that connects source of the gas, and gas channel 54 is connected with each groove 53, and when stamping-out completes, the relic rested in groove 53 is blown out by air-flow, to improve blanking efficiency.

Core 5 is when making, at first process boss 52 and guide part 51, then in guide part 51 side face machined grooves 53, groove 53 extends to boss 52 positions, certainly, in order to guarantee that the relic under drift 4 stamping-outs breaks away from fluting plug screw 20 fully, usually the twice that is the open trough wall thickness by the depth design of groove 53, processing one through hole on the central axis of core 5, connect the air admission hole 55 of source of the gas away from an end processing of guide part 51 at core 5, the venthole 56 that is communicated with through hole in the interior processing of groove 53, two ends with plug 57 shutoff through holes, through hole between air admission hole 55 and venthole 56 has just formed gas channel 54, this structure and preparation method, simple and practical, with low cost, promotional value is large.

From cost and stability, consider, adopt a power set centralized driving, be processed as example with the fluting plug screw 20 with four open troughs, concrete scheme is as follows: power set comprise and are positioned at workbench 2 belows and the hinged lever 6 be installed on frame 1, one end of lever 6 and the outer peripheral face of cam 7 offset, the other end offsets with the vertical frustum 8 slided, the small end of frustum 8 is near workbench 2, one mount pad 21 is set on frame 1, be provided with sliding chamber on mount pad 21, be slidably fitted with an axis of guide 22 in sliding chamber, the axis of guide 22 1 ends and the first guide wheel 14 offset, the large end of the other end and frustum 8 offsets, the axis of guide 22 ends that offset with the large end of frustum 8 are set to spherical, outer surface at the axis of guide 22 is provided with one along the axially extended gathering sill of the axis of guide 22, on sliding chamber, a bearing pin 23 is set, the end restraint of bearing pin 23 is installed in gathering sill, guaranteed that the axis of guide 22 can only vertically slide, can not rotate, the lower surface of workbench 2 be installed with each slide 3 positions with respect to holder 10, be rotatablely equipped with rotating shaft 11 on holder 10, be installed with an actuating arm 9 and a force arm 12 in rotating shaft 11, the conical surface of the end of actuating arm 9 and frustum 8 offsets, the end of force arm 12 and slide 3 offset away from an end of drift 4, during enforcement, on workbench 2, the slip of corresponding each slide 3 oppositely offers a long gain 19, force arm 12 is through long gain 19, and an end is connected with rotating shaft 11, the other end and slide 3 offset, be equipped with the first back-moving spring 17 between each slide 3 and workbench 2, common the first back-moving spring 17 is preferably Compress Spring.Be provided with the second back-moving spring 18 between the small end of the lower surface of workbench 2 and frustum 8, common the second back-moving spring 18 is preferably Compress Spring.Groove 53 evenly is provided with four along the side face of guide part 51, and slide 3, actuating arm 9 and the equal correspondence of force arm 12 are provided with four groups.

The end of lever 6 is rotatablely equipped with the first guide wheel 14, the first guide wheel 14 offsets with the large end of frustum 8, the end of actuating arm 9 is rotatablely equipped with the second guide wheel 15, the second guide wheel 15 offsets with the conical surface of frustum 8, the use of the first guide wheel 14 and the second guide wheel 15, make to relatively move more smooth and easyly between two contact-making surfaces in same plane no longer, reduced friction, improved the ride comfort of equipment.

The end of force arm 12 is provided with adjusting bolt 13, adjusting bolt 13 is threaded with force arm 12 and end and the slide 3 of adjusting bolt 13 offset, can change by adjusting adjusting bolt 13 the stamping-out degree of depth of drift 4, to guarantee that relic and plug screw that stamping-out gets off break away from fully, be rotatablely equipped with the 3rd guide wheel 16 on slide 3, adjusting bolt 13 and the 3rd guide wheel 16 offset, smooth and easy to guarantee that slide 3 contacts with adjusting bolt 13, have improved serviceability.

The end of core 5 is provided with a shaft shoulder, the upper surface of the end face of the shaft shoulder and workbench 2 offsets, fixedly mount to be useful on by securing member on workbench 2 core 5 is fixed in to the pressing plate 24 on workbench 2, pressing plate 24 has the cavity that holds the shaft shoulder, be provided with between pressing plate 24 and workbench 2 and compress gap, can suitably adjust the angle position of groove 53, make groove 53 and drift 4 suitable, compress the existence in gap, guaranteed that core 5 is pressed on workbench 2, the outer peripheral face of the shaft shoulder is provided with some toothed projections 58, pressing plate 24 is provided with the profile of tooth groove suitable with toothed projections 58, certainly, in order to make the adjustment position more accurate, can select comparatively tiny profile of tooth as far as possible, the modulus of profile of tooth reduces under the prerequisite that meets its rigidity requirement as far as possible, distribution toothed projections 58 and profile of tooth groove as much as possible on side face, the theoretical foundation of design is like this, the open trough of fluting plug screw is all symmetrically arranged usually, in the stamping-out process, drift 4 also is arranged symmetrically with, drift 4 acts on the impulsive force equal and opposite in direction on core 5, opposite direction, therefore, the radial load that core 5 is subject to is also little.

As shown in Figure 4, when unloaded, adjust adjusting bolt 13, make four drifts 4 arrive the position consistency in groove 53 when stamping-out, when the needs grooving, the operator by the blind hole of the plug screw of unslotted down, be installed to guide part 51 positions, the end of plug screw is against on the boss 52 of core 5, rotating cam 7, lever 6 heads on frustum 8 and vertically rises, compress the second back-moving spring 18, actuating arm 9 is in driving lower swing one angle of frustum 8 conical surfaces simultaneously, driving rotating shaft 11 rotates, rotating shaft 11 drives force arm 12 and swings, adjusting bolt 13 promotes slide 3 radially sliding along core 5, four 4 while of drift inward collapsibles, and compress the first back-moving spring 17, the blind hole end stamping-out of plug screw is gone out to four open troughs simultaneously, relic is stayed in groove 53, after stamping-out completes, rotating cam 7, slide 3 is under the effect of the first back-moving spring 17 and the second back-moving spring 18, get back to initial position, the operator takes out the fluting plug screw 20 processed, relic in groove 53 is under airflow function, blow out relic, continue the next plug screw of processing.

Although for for example and the purpose of description, and introduced structure and processing procedure shown in above-mentioned embodiment of the present invention and accompanying drawing.But these are not detailed descriptions, scope of the present invention can not be confined to this.For a person skilled in the art, can make numerous modifications and variations to above-mentioned embodiment of the present invention, and these all modifications and/or change all are included in as within claim limited range of the present invention, do not break away from as described in scope and spirit of the present invention that claim was limited.

Claims

1. a fluting plug screw groover, comprise frame, be installed with workbench on described frame, it is characterized in that: be installed with a vertical core arranged on described workbench, on described core, have one with the suitable guide part of blind hole of fluting plug screw, the groove that the outer peripheral face of described guide part is provided with several and the open trough of the plug screw of slotting is suitable, the slide that each groove correspondence one radially slides along described core, the suitable drift of fixed installation one and open trough shape on each described slide, described slide reciprocatingly slides and is installed on described workbench under the power set effect, described core is provided with the gas channel that connects source of the gas, and described gas channel is connected with each described groove.

2. fluting plug screw groover as claimed in claim 1, it is characterized in that: described power set comprise and are positioned at described workbench below and the hinged lever be installed on described frame, one end of described lever and the outer peripheral face of cam offset, the other end offsets with the vertical frustum slided, and the small end of described frustum is near described workbench; The lower surface of described workbench be installed with each described slide position with respect to holder, be rotatablely equipped with rotating shaft on described holder, be installed with an actuating arm and a force arm in described rotating shaft, the end of described actuating arm and the conical surface of described frustum offset, the end of described force arm and described slide offset away from an end of described drift, between each described slide and workbench, are equipped with the first back-moving spring.

3. fluting plug screw groover as claimed in claim 2, is characterized in that: between the lower surface of described workbench and the small end of described frustum, be provided with the second back-moving spring.

4. fluting plug screw groover as claimed in claim 2, it is characterized in that: the end of described lever is rotatablely equipped with the first guide wheel, and the large end of described the first guide wheel and frustum offsets.

5. fluting plug screw groover as claimed in claim 2, it is characterized in that: the end of described actuating arm is rotatablely equipped with the second guide wheel, and the conical surface of described the second guide wheel and frustum offsets.

6. fluting plug screw groover as claimed in claim 2, it is characterized in that: the end of described force arm is provided with adjusting bolt, and described adjusting bolt is threaded with described force arm and end and the described slide of described adjusting bolt offset.

7. fluting plug screw groover as claimed in claim 6, it is characterized in that: be rotatablely equipped with the 3rd guide wheel on described slide, described adjusting bolt and the 3rd guide wheel offset.

8. the described fluting plug screw of claim as arbitrary as claim 2 to 7 groover, it is characterized in that: described groove evenly is provided with four along the side face of described guide part, and the equal correspondence of described slide, actuating arm and force arm is provided with four groups.

9. fluting plug screw groover as claimed in claim 8, it is characterized in that: the end of described core is provided with a shaft shoulder, the end face of the described shaft shoulder and the upper surface of described workbench offset, fixedly mount to be useful on by securing member on described workbench described core is fixed in to the pressing plate on described workbench, described pressing plate has the cavity that holds the described shaft shoulder, is provided with between described pressing plate and workbench and compresses gap.

10. fluting plug screw groover as claimed in claim 9, it is characterized in that: the outer peripheral face of the described shaft shoulder is provided with some toothed projections, and described pressing plate is provided with the profile of tooth groove suitable with described toothed projections.