CN208240346U - A kind of peg of acoustic source of piano is planted into equipment - Google Patents

Abstract

The utility model relates to piano manufacturing technology fields, the peg for disclosing a kind of acoustic source of piano is planted into equipment, it solves peg axially to be axially not easy to be aligned with peg hole, the problem of peg is pressed into peg hole peg hole easy to damage and reduces the stability of peg, its key points of the technical solution are that a kind of peg of acoustic source of piano is planted into equipment, it plants including conveying roller band and peg into device, it includes being located at pressure-bearing platform of the conveying roller with side that peg, which is planted into device, loading stage above pressure-bearing platform, for going up and down the lift drive mechanism of loading stage, the cultivation axis machine being fixed below loading stage, the upper surface of pressure-bearing platform is pressure-bearing surface, pressure-bearing surface towards conveying roller band direction diagonally downward, side height of the pressure-bearing surface close to conveying roller with direction is aligned with the upper surface highest point height of conveying roller band, it plants axis machine lower end and has vertical last item bar, axis machine is planted with loading stage Synchronization lifting realizes the stability for improving peg, ensures the sound quality of acoustic source of piano.

Description

A kind of peg of acoustic source of piano is planted into equipment

Technical field

The utility model relates to piano manufacturing technology field, in particular to a kind of peg of acoustic source of piano is planted into equipment.

Background technique

Piano is a kind of keyboard instrument, by string, iron casting frame, soundboard, hammered string instrument system, qin shell and other attachment groups At.String is the primary component of sounding, and main material is steel wire, be manufactured exclusively for piano and other stringed musical instruments it is special Steel wire.

Iron casting frame is also known as iron row, and production is mostly important and crucial.Iron casting frame is the carrier of string tension, It should notice that the distribution situation of string pulling force, its main support are up to 18-20 tons of string tension in design.

Soundboard by sounding board, help wood, soundboard frame chord code forms.String shaft, code bridge and root are also equipped on soundboard According to the attachment that actual conditions are installed, it is wherein provided with several peg holes on string shaft, inside plants the string for fixing string Axis, the stability of peg determines that the tone color of string is stablized, therefore the installation of peg is accurately particularly important in the production of piano, instantly It is all made of mechanical equipment installation.

Such as the Chinese patent " a kind of iron plate wood circle drilling peg pressing machine " that notification number is CN204257184U, disclosure A kind of pressure peg, pressure peg include the pressure peg horizontal axis servo motor installed by sliding rail, and pressure peg horizontal axis is watched It takes and pressure peg crossbeam is equipped with by bracket on motor, press and pressure peg vertical pivot servo motor is installed on peg crossbeam, press peg Crossbeam front end is equipped with hopper and stamping cylinder, is equipped with rotating electric machine, Vibrated baiting cylinder, feeding level-one cylinder below hopper With feeding secondary cylinder, stamping cylinder lower section is equipped with punch rod and rotation cylinder, rotation head, rotation is connected on rotation cylinder Material taking hole is offered on head.

It is packed into peg in hopper, passes through rotating electric machine, Vibrated baiting cylinder, feeding level-one cylinder and feeding second level gas Peg is pushed into rotation head by the feeding material components such as cylinder out of hopper, and rotation head is swung to below punch rod by rotation cylinder, In the hole that stamping cylinder drives punch rod that peg is pressed into wood circle, completes peg and be pressed into work.

Disadvantage is that peg hole is axially inclined, peg axially is axially not easy to be aligned with peg hole, and peg is pressed into string The peg that peg lower end easily damages after causing to fix on the inside of peg hole by pressure when axis hole easily loosens, and reduces the stability of peg, influences steel The sound quality of qin source of sound needs frequent tuning.

Utility model content

The purpose of this utility model is to provide the peg of acoustic source of piano a kind of in view of the deficiencies of the prior art to plant into equipment, Its stability that peg can be improved, ensures the sound quality of acoustic source of piano.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of peg of acoustic source of piano, which is planted, plants into equipment, including conveying roller band and peg into device, and the peg is planted into dress It sets including being located at pressure-bearing platform of the conveying roller with side, the loading stage above pressure-bearing platform, the lifting drive for going up and down loading stage Motivation structure, the cultivation axis machine being fixed below loading stage, the upper surface of the pressure-bearing platform are pressure-bearing surface, the pressure-bearing surface direction conveying Roller strap direction diagonally downward, the upper surface highest point of the pressure-bearing surface side height close to conveying roller with direction and conveying roller band Height is aligned, and the cultivation axis machine lower end has vertical last item bar, and the cultivation axis machine is with loading stage synchronization lifting.

By using above-mentioned technical proposal, semi-finished product qin backrest on conveying roller band and pressure-bearing platform, string shaft be located at half at Product qin backrest is on the side being located above pressure-bearing platform, and the underface of peg hole alignment loading stage.Pressure-bearing surface raise half at Side of the product qin backrest on pressure-bearing platform so that string shaft upper surface is horizontal and peg hole thereon it is axial vertical, then will Peg is directed at peg hole, and last item bar is directed at peg, then drives lift drive mechanism to drive loading stage and carry axis device and push, last item bar It is vertical to push peg, so that peg is pressed into vertically in peg hole.

And then in peg indentation during peg hole, peg axially retains axial parallel with peg hole, prevents peg pressure The peg that peg lower end damages after causing to fix on the inside of peg hole by pressure when entering peg hole easily loosens, and thus improves the stability of peg, Ensure the sound quality of acoustic source of piano.For axially inclined compared with peg hole simultaneously, peg inclination indentation, peg pressing direction is vertical, string Be conducted in axis process of press in semi-finished product qin back power be straight down, without the horizontal thrust to semi-finished product qin back, reduce half at Level of the product qin back before and after peg is pressed into is slided, and guarantees that string shaft is horizontal and the axially accurate of peg chord axis hole is aligned.

Preferably, the inclination angle of the pressure-bearing surface and horizontal plane is filling-in angle, and filling-in angle angle is 3-6 °.

By using above-mentioned technical proposal, when filling-in angle angle is 3-6 °, guaranteeing that raising semi-finished product qin back side makes string While axillare level, avoid pressure-bearing surface inclination is excessive semi-finished product qin back is caused easily to slide during planting axis.

Preferably, the cultivation axis machine includes the rotating drive part that can be rotated using Pivot Point Center as axis with dynamic pressure shaft bar, The lower end of the last item bar can be clamped with peg with the card slot of bar shaped, the card slot and peg is driven to rotate, and the cultivation axis machine makes It is screw thread peg with peg, has tapping screw thread on side.

By using above-mentioned technical proposal, when using screw thread peg, last item bar is pressed into the process of peg into peg hole In, the upper end of tapered end insertion peg simultaneously drives peg to rotate, and then the tapping screw thread of screw thread peg side is by being rotated in string The inside self tapping of axis hole forms the internal screw thread fitted closely with it, and peg indentation chord axis hole forming internal threads can synchronize progress, Optimized production process improves production efficiency；The rotation of screw thread peg indentation simultaneously passes through the cooperation of tapping screw thread and internal screw thread, plays Guiding role, and then screw thread peg progress axially aligned with peg hole is improved, and avoid direct punching press, it reduces during generating Noise；Furthermore due to string shaft level, screw thread peg keeps vertical rotation indentation peg hole, compared with screw thread peg Sloped rotating Be pressed into for peg hole, avoid being not easy to be aligned in Sloped rotating process of press in, gravity deflection leads to screw thread peg axial deflection or The case where skidding, occurs.

Preferably, including hanger, the hanger include the erecting bed above loading stage, the erecting bed and dress Lifting limit assembly is provided between microscope carrier, the lifting limit assembly includes that the upper fine motion being mounted on erecting bed side is opened Pass, lower microswitch and the lifting column being fixed on installation set platform, the upper microswitch and lower microswitch are pressure spring Formula microswitch and the side of making leaf spring is provided with towards lifting column, the upper microswitch coupling lift drive mechanism simultaneously controls Erecting bed stops rising, and the lower microswitch couples lift drive mechanism, and control erecting bed stops declining and rising, described Lifting column be cased between the side of two making leaf springs to ring and it is lower support ring, with lifting column lifting it is described it is upper to ring and under support Ring can compress making leaf spring.

By using above-mentioned technical proposal, when lift drive mechanism driving loading stage be vertically lowered to it is lower support ring compress down it is micro- When the making leaf spring of dynamic switch, lift drive mechanism is automatically stopped driving loading stage and drives its rising；When lift drive mechanism drives The dynamic set that loads is risen to vertically when compressing the making leaf spring of upper microswitch to ring, and lift drive mechanism, which is automatically stopped, drives loading Platform rises；Thus it is precisely controlled loading stage and plants axis machine vertical lifting distance, and then guarantee in each peg indentation peg hole Depth and the height of the vertical string shaft of peg are equal.

Preferably, the cultivation axis machine includes holding handle, is turned on the gripping handle with control rotating drive part Dynamic rotating switch, the rotating switch also decline with lift drive mechanism coupling control device platform.

By using above-mentioned technical proposal, after card slot is bonded clamping with peg upper end, then rotating switch is pressed, so that string The indentation of axis is synchronous with rotation to be carried out, and is prevented from rotating and be pressed into asynchronous and is caused on the inside of peg hole by tapping screw thread from tapping Internal screw thread is damaged by tapping screw thread, is reduced waste product and is generated.

Preferably, level(l)ing mechanism, the level(l)ing mechanism are provided between the cultivation axis machine and loading stage Including first rotating shaft, the second shaft, the first pivoted arm and the second pivoted arm, its axial vertical and upper end of the first rotating shaft and loading stage Side fix, the side of first pivoted arm wherein one end and first rotating shaft lower end is rotatablely connected, second shaft upper end The vertical other end through the first pivoted arm and rotationally connected, wherein one end of second pivoted arm and the second shaft lower end Side rotation connection, the other end of second pivoted arm are socketed in the outside for planting axis machine.

By using above-mentioned technical proposal, the first pivoted arm can horizontally rotate by axis of first rotating shaft, and the second pivoted arm can Drive and plant axis machine and horizontally rotate using the second shaft as axis, thus plant axis machine can keep with the vertical height of loading stage it is constant in the case where It is horizontally moved, changes last item bar horizontal position to be directed at different peg holes, the station into device is planted with this single peg The cultivation axis in achievable multiple peg holes works, and improves production efficiency and reduces cost.

Preferably, the upper end for planting axis agent is connected with vertical mandril, and the mandril upper end band crown cap is described Top cap upper end can be abutted with loading stage bottom surface.

By using above-mentioned technical proposal, when the decline of loading stage, the bottom surface of loading stage compresses the top cap of mandril upper end, Loading stage is conducted to the power that axis machine pushes is planted by mandril, is avoided level(l)ing mechanism from conducting vertical pressure, is prevented second turn Arm connection, which is planted one end that axis machine one end is upturned, only the second pivoted arm connects the second shaft and rotated down, leads to the second shaft bending Deformation guarantees the accuracy adjusted in horizontal mechanism long-time service, while top cap compresses the vertex conduct of the bottom surface of loading stage The fulcrum during axis machine moves horizontally is planted, adjustment is moved horizontally convenient for planting axis machine, the essence of adjustment is moved horizontally by planting axis machine It is quasi-.

It is used for as preferably, the two sides lower edge of the loading stage vertical transport roller strap transporting direction is respectively and fixedly provided with The limit plate for stopping top cap to skid off to outside loading stage bottom surface.

By using above-mentioned technical proposal, outside the bottom surface that avoids mandril from skidding off loading stage in planting the axis course of work and Prevent level(l)ing mechanism conduction loading stage from giving the vertical pressure for planting axis machine.

As preferably, the upper end for planting axis machine is provided with installation threaded hole, and the mandril insertion is installed in threaded hole And be threadedly coupled therewith, also with ring is compressed on the outside of the mandril, the upper end of second shaft is pierced by outside the second pivoted arm and it Outside is cased with shock-absorbing spring, and the lower end of the shock-absorbing spring compresses the second pivoted arm, and the upper end compresses the bottom surface of ring.

By using above-mentioned technical proposal, rotates mandril and holding compresses ring and compresses compressed spring, mandril upper end is adjusted Highly, top cap upper end is kept to compress the bottom surface of loading stage.

In conclusion the utility model has the following beneficial effects:

Keep peg hole axially vertical 1. pressure-bearing surface raises semi-finished product qin back, in peg indentation during peg hole, peg, string Axis hole, last item bar three axle center can be overlapped vertically, and preventing peg from damaging peg hole by pressure causes peg easily to loosen, and improve the stabilization of peg Property, ensure the sound quality of acoustic source of piano；

2. for, peg axially inclined compared with peg hole inclination indentation, in the vertical process of press in of peg semi-finished product qin back by Power straight down, horizontal-less thrust reduce horizontal sliding of the semi-finished product qin back before and after peg indentation, guarantee that string shaft is horizontal And the axial precisely alignment of peg chord axis hole；

3. screw thread peg process of press in is with rotation, inside shape of the tapping screw thread in peg hole when using screw thread peg The internal screw thread that Cheng Yuqi is fitted closely, peg indentation chord axis hole forming internal threads can synchronize progress, and optimized production process improves Production efficiency；

4. screw thread peg keeps vertical rotation indentation peg hole, compared with screw thread peg Sloped rotating pressure due to string shaft level For entering peg hole, avoid being not easy to be aligned in Sloped rotating process of press in, gravity deflection leads to screw thread peg axial deflection and The case where skidding, occurs；

5. going up and down limit assembly control plants axis machine lifting distance, guarantee depth and string in each peg indentation peg hole The height of the vertical string shaft of axis is equal；

6. being controlled by rotating switch, is carried out so that the indentation of peg is synchronous with rotation, prevent from rotating and being pressed into asynchronous And cause to be damaged from the internal screw thread of tapping by tapping screw thread on the inside of peg hole by tapping screw thread, it reduces waste product and generates；

7. planting axis machine to be horizontally moved by level(l)ing mechanism, the cultivation axis work in achievable multiple peg holes is improved Production efficiency and reduce cost；

8. mandril, to the carrier for planting axis machine pressure conduction, avoids level(l)ing mechanism from conducting vertical pressure as loading stage Power prevents the second shaft bending from deforming, and guarantees the accuracy adjusted in horizontal mechanism long-time service, while top cap compresses loading stage Vertex as plant axis machine move horizontally during fulcrum, convenient for plant axis machine move horizontally adjustment, pass through plant axis machine level shifting Move the accurate of adjustment.

Detailed description of the invention

Fig. 1 is that peg plants the structural schematic diagram one into equipment；

Fig. 2 is partial enlarged view of the Fig. 1 at A；

Fig. 3 is that peg plants the structural schematic diagram two into equipment；

Fig. 4 is partial enlarged view of the Fig. 3 at B；

Fig. 5 is that peg plants the structural schematic diagram three into equipment；

Fig. 6 is partial enlarged view of the Fig. 5 at C；

Fig. 7 is the structural schematic diagram of level(l)ing mechanism；

Fig. 8 is the structural schematic diagram for planting axis machine；

Fig. 9 is partial enlarged view of the Fig. 8 at D；

Figure 10 is that peg plants the structural schematic diagram four into equipment；

Figure 11 is partial enlarged view of the Figure 10 at E；

Figure 12 is the structural schematic diagram of bolt peg；

Figure 13 is the embodiment inner board part cross-sectional view that axis machine is planted in embodiment two；

Figure 14 is partial enlarged view of the Figure 13 at F.

Detailed description of the invention: 1, conveying roller band；2, peg is planted into device；21, pressure-bearing platform；211, pressure-bearing surface；212, filling-in angle； 22, hanger；221, erecting bed；222, supporter；23, lift drive mechanism；231, oil cylinder；2311, piston rod；222, it is oriented to Column；24, loading stage；241, limit plate；25, level(l)ing mechanism；251, first rotating shaft；252, the first pivoted arm；2521, first turn Ring；253, the second shaft；254, the second pivoted arm；2541, the second change；2542, mounting ring；26, axis machine is planted；261, mounting post； 2611, threaded hole is installed；2612, upper prop；2613, lower prop；262, fixed ring；263, last item bar；2631, wedge-shaped lower end；2632, Card slot；264, handle is held；2641, rotating switch；265, mandril；2651, top cap；2652, ring is compressed；2653, external screw thread； 266, shock-absorbing spring；267, pressure-bearing frame；2671, bearing plate；2672, pressure-bearing column；268, rotating drive part；27, limit group is gone up and down Part；271, mounting plate；272, upper microswitch；2721, pedestal；27822, making leaf spring；2723, contact；2724, sliding roller；273, Lower microswitch；274, lifting column；2741, ring is above supported；2742, ring is supported down；2743, chamfering；275, installation sheet；3, roller is removed Band；4, into roller strap；5, semi-finished product qin is carried on the back；51, piano iron plate；511, peg hole；6, peg；6a, screw thread peg；61, wedge-shaped Upper end；62, insertion end；63, tapping screw thread.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment one,

As shown in Fig. 1, a kind of peg of acoustic source of piano is planted into equipment, including conveying roller band 1, is located at conveying roller band 1 one The peg of side plants into device 2 and enters roller strap 4 and remove roller strap 3.Peg, which is planted, includes hanger 22 and pressure-bearing platform 21 into device 2, The supporter 222 of hanger 22 including two sides and the erecting bed 221 being fixed between two supporters 222.Pressure-bearing platform 21 is fixed on Ground and the underface for being located at erecting bed 221, the length direction of pressure-bearing platform 21 are parallel with conveying roller band 1.Into roller strap 4 and remove Roller strap 3 is separately fixed at the both ends of 221 length direction of erecting bed, and intake roller strap and remove roller strap 3 length direction with it is defeated Send the length direction of roller strap 1 parallel.

As described in attached drawing 1 and attached drawing 2, semi-finished product qin back 5 is by conveying roller band 1 and enters the movement of roller strap 4, semi-finished product qin back 5 two sides are respectively erected on bearing platform and conveying roller band 1.The side that semi-finished product qin carries on the back 5 upper surfaces has piano iron plate 51, partly 5 side with piano iron plate 51 of finished product qin back is located on pressure-bearing platform 21, with several for installing peg 6 on piano iron plate 51 Peg hole 511, the axially vertical piano iron plate 51 in peg hole 511.

As shown in Fig. 3, the upper surface of pressure-bearing platform 21 is pressure-bearing surface 211, and pressure-bearing surface 211 is towards the side of conveying roller band 1 Diagonally downward.The angle of pressure-bearing surface 211 and horizontal plane is 212 α of filling-in angle, and filling-in angle 212 is 3-6 °, is inclined to become apparent from embodiment Oblique situation and the inclined effect of pressure-bearing surface 211, tilt angle is greater than 6 ° in figure.

5 center of semi-finished product qin back is bent downwardly in protuberance, outer upwards, so that semi-finished product qin carries on the back 5 upper surfaces band radian, radian Smaller, it is 3-10 ° that semi-finished product qin, which carries on the back 5 upper surface outers and the corner dimension of horizontal plane, embodies radian presence and skill in figure Art scheme works amplify its radian and angle.

As shown in Fig. 4, piano iron plate 51 rides over the upper surface of semi-finished product qin back 5 and the upper table with semi-finished product qin back 5 Face is parallel.Pressure-bearing surface 211 raises semi-finished product qin and carries on the back side of 5 framves on pressure-bearing platform 21 at this time, so that 51 upper surface of piano iron plate It is horizontal and peg hole 511 thereon to axially retain vertical.

As shown in Fig. 4, it further includes the lifting driving assembly being mounted on erecting bed 221 and installation that peg, which plants device 2, Loading stage 24 between erecting bed 221 and pressure-bearing platform 21.Going up and down driving assembly includes the oil cylinder 231 being vertically arranged and guide post 222, its ejection end of the piston rod 2311 of oil cylinder 231 is arranged downward and through erecting bed 221.The quantity of guide post 222 is two, The two sides of oil cylinder 231 are symmetricly set on about 2311 axle center of piston rod, erecting bed 221 is run through in 222 lower end of guide post.Piston rod 2311, the lower end of guide post 222 is fixedly connected with the upper surface of loading stage 24 simultaneously, and oil cylinder 231 can drive about 24 loading stage Lifting.

In a rectangular parallelepiped shape, upper surface and bottom surface are horizontal vertical for loading stage 24, four side vertical settings.Loading stage 24 Lifting limit assembly 27 is provided between erecting bed 221.

As shown in attached drawing 5 and attached drawing 6, lifting limit assembly 27 includes upper microswitch 272, lower microswitch 273 and rises Column 274 drops.Erecting bed 221 is arranged far from the side vertical of conveying roller band 1 and is fixed with mounting plate 271, upper microswitch thereon 272 and lower microswitch 273 be installed on mounting plate 271.

Upper microswitch 272 and lower microswitch 273 are compressed spring type microswitch, and structure and principle are existing skill Art only does simple elaboration again.Compressed spring type microswitch includes pedestal 2721, contact 2723 and making leaf spring 2782, contact 2723 and making leaf spring 2782 be both secured on the same side of pedestal 2721.One end of making leaf spring 2782 is fixed, the other end tilt and The cunning roller 2724 of axially vertical 2782 length direction of making leaf spring is hinged on one end of tilting.Making leaf spring 2782 can be compressed to touching 2723 bending of point is simultaneously contradicted with contact 2723, and compressed spring type microswitch is connected at this time.Upper microswitch 272 is micro- under being fixed on herein The surface of dynamic switch 273, the making leaf spring 2782 of the two is towards the same side.Upper microswitch 272, lower microswitch 273 with The control system coupling of the oil pump of oil cylinder 231 is controlled, when upper microswitch 272 is connected, oil cylinder 231 stops backhaul, makes erecting bed 221 stop rising；Lower microswitch 273 connect when, oil cylinder 231 stop ejection and backhaul, make erecting bed 221 stop decline and on It rises.

For loading stage 24 far from the installation sheet 275 for being fixed with " L " on the side for entering roller strap 4, the upper end of installation sheet 275 is vertical It is fixed with lifting column 274, lifting column 274 is located at the side that upper microswitch 272 is equipped with making leaf spring 2782.Lifting column 274 In upper microswitch 272 be socketed on the side between lower microswitch 273 to ring 2741 and it is lower support ring 2742, above support ring 2741 support 2742 top of ring positioned at lower, above support ring 2741 and lower compressed to ring 2742 by radially perforative bolt is fixed on On lifting column 274.The upper lower upper and lower side to ring 2742 to ring 2741 is provided with chamfering 2743.

Synchronous drive lifting column 274 is gone up and down when lift drive mechanism 23 drives loading stage 24 to go up and down.It drives and fills with oil cylinder 231 Microscope carrier 24 is vertically lowered, the lower cunning roller 2724 that lower microswitch 273 is compressed to ring 2742, so that making leaf spring 2782 contradicts contact 2723, lift drive mechanism 23 is automatically stopped driving loading stage 24 and drives its rising；It drives and loads with lift drive mechanism 23 Set is vertical to be risen, and the cunning roller 2724 that ring 2741 compresses microswitch 272 is above supported, so that making leaf spring 2782 contradicts contact 2723, Lift drive mechanism 23 is automatically stopped driving loading stage 24 and rises；Thus it is precisely controlled loading stage 24 and plants 26 vertical lifting of axis machine Distance, and then guarantee that the height of depth and the vertical piano iron plate 51 of peg 6 that each peg 6 is pressed into peg hole 511 is equal.

It as shown in attached drawing 5 and attached drawing 7, is additionally provided with below loading stage 24 and plants axis machine 26, planted axis machine 26 and pass through Level tune Mechanism 25 and the connection installation of loading stage 24.Level(l)ing mechanism 25 includes first rotating shaft 251, the second shaft 253, the first pivoted arm 252 and second pivoted arm 254.First rotating shaft 251 is axial vertical, and loading stage 24 is fixed on towards the side for entering roller strap 4 in the upper end, Lower end extends to below 24 bottom surface of loading stage.

The both ends of first pivoted arm 252 have the first change 2521, and wherein first change 2521 of one end is socketed in first On the lower end of shaft 251, the first pivoted arm 252 can be that axis freely horizontally rotates with first rotating shaft 251.

The upper end of second shaft 253 is inserted into another first swivel becket of the first pivoted arm 252, and in the first swivel becket Side rotation connection.

Second cursor one end has the second change 2541, the lower end for being socketed in the second shaft 253 of the second change 2541 Side is simultaneously rotatablely connected with it, and the second pivoted arm 254 can be that axis freely horizontally rotates with the second shaft 253.Second rotation it is another Mounting ring 2542 is had on end.

Carrying axis machine includes mounting post 261, the fixed ring 262 being sleeved and fixed on the outside of mounting post 261 and insertion mounting post The last item bar 263 of 261 lower ends.In the upper end insertion mounting ring 2542 of mounting post 261, and it is rotationally connected.Fixed ring 262 Side is also equipped with horizontally disposed gripping handle 264.263 axle center of last item bar and mounting post 261 are axially coincident, and the two axle center It is vertically arranged.

Hold handle 264 and push and plant axis device, plant axis device can keep with the vertical height of loading stage 24 it is constant in the case where It is horizontally moved, changes 263 horizontal position of last item bar and be not drawn into being aligned in different peg hole 511(figures) so that last item Bar 263 can from different 511 axle center of peg hole weight and, single peg plants the achievable multiple peg holes 511 of station into device 2 Axis work is planted, production efficiency is improved and reduces cost.

As shown in Figure 8 and Figure 9, the upper end of mounting post 261 is also provided with coaxial installation threaded hole 2611.Installation Mandril 265 is also inserted in threaded hole 2611, the lower end of mandril 265 has and install the external screw thread that threaded hole 2611 matches 2653.Mandril 265 is located at the side of 2653 upper end of external screw thread with ring 2652 is compressed, and compresses between ring 2652 and mounting ring 2542 Accompany a set of shock-absorbing spring 266 in 265 outside of mounting post 261 and mandril.266 lower end of shock-absorbing spring compresses in mounting ring 2542 Surface, the upper end compress 2652 bottom surface of ring, are in compressive state, prevent from planting axis machine 26 and vibrating in moving process causing External screw thread 2653 is loosened with installation threaded hole 2611.The upper end band crown cap 2651 of mandril 265,2651 upper end vertex of top cap It is abutted against with the bottom surface of charging floor.

As shown in Fig. 8,265 upper end of mandril also band crown cap 2651.When the decline of loading stage 24, the bottom of loading stage 24 Face compresses the top cap 2651 of 265 upper end of mandril, plants the power that axis device pushes for 24 pairs of loading stage and is conducted by mandril 265, avoids level Regulating mechanism 25 conducts vertical pressure, prevents the connection of the second pivoted arm 254 from planting axis device one end and is upturned, stops the second pivoted arm 254 The one end for connecting the second shaft 253, which rotates down, leads to 253 bending deformation of the second shaft, guarantees that horizontal mechanism is adjusted in being used for a long time The accuracy of section, while top cap 2651 compresses the vertex of the bottom surface of loading stage 24 as the branch planted during axis device moves horizontally Point, moves horizontally adjustment convenient for planting axis device, moves horizontally the accurate of adjustment by planting axis device.

As shown in Fig. 7, the two sides lower edge of 24 vertical transport roller strap of loading stage, 1 transporting direction is respectively and fixedly provided with for hindering The limit plate 241 that gear top cap 2651 is skidded off to outside 24 bottom surface of loading stage.Limit plate 241 can limit 2651 sliding position of top cap, keep away Exempting from mandril 265 skids off outside the bottom surface of loading stage 24 and prevents the conduction loading stage 24 of level(l)ing mechanism 25 from giving cultivation axis device Vertical pressure.

Referring to attached drawing 10 and attached drawing 11, the course of work of the present embodiment:

1. semi-finished product qin back 5 is delivered between pressure-bearing platform 21 and conveying roller along conveying roller band 1 and into roller strap 4, piano iron Plate 51 is located at immediately below loading stage 24；

2. on peg hole 511 (referring to attached drawing 2) on vertically-aligned peg 6, hold hold handle 264 simultaneously move horizontally cultivation Axis machine 26, make the axle center of last item bar 263 be overlapped with the axle center of peg 6 and the lower end of last item bar 263 support patch peg 6 upper end；

3. oil cylinder 231 ejects, driving loading stage 24 compresses the pushing of mandril 265, and last item bar 263 pushes peg 6 vertically, so that Peg 6 is pressed into peg hole 511；

4. loading stage 24 compresses the making leaf spring 2782 of lower microswitch 273 to ring 2742 under declining directly, oil cylinder 231 stops It ejects and backhaul, loading stage 24 drives axis machine 26 rising of cultivation to reset；

5. repeating 2-4 step until so peg hole 511 is planted into peg 6.

The working principle of the present embodiment:

In the indentation of peg 6 during peg hole 511, last item bar 263 keeps straight down, axially retaining to 6 pressure of peg Parallel with the axial direction in peg hole 511, the axial direction in peg hole 511 is vertical, therefore power direction is in vertical direction suffered by peg 6 On, so that peg 6 is axially retained axial parallel with peg hole 511,6 lower end of peg is damaged by pressure when peg 6 being prevented to be pressed into peg hole 511 Cause the peg 6 after fixing easily to loosen on the inside of peg hole 511, thus improves the stability of peg 6, ensure the sound of acoustic source of piano Matter.

For axially inclined compared with peg hole 511 simultaneously, the inclination indentation of peg 6,6 pressing direction of peg is vertical, and peg 6 is pressed into The power for being conducted to semi-finished product qin back 5 in the process is straight down, without the horizontal thrust to semi-finished product qin back 5, to reduce semi-finished product qin Level sliding of the back 5 before and after the indentation of peg 6, guarantee piano iron plate 51 are horizontal and 6 chord axis hole 511 of peg axial accurate Alignment.

Embodiment two,

As shown in Fig. 12, a kind of peg of acoustic source of piano is planted into equipment, is changed on the basis of being embodiment one Into being fixed with pressure-bearing frame 267 in fixed ring 262, pressure-bearing frame 267 includes upper and lower two parallel bearing plates 2671 and several vertical Connect the pressure-bearing column 2672 of two bearing plates, 2671 outer.Mounting post 261 includes upper prop 2612 and lower prop 2613, under upper prop 2612 End is fixed with 267 upper surface of pressure-bearing frame, and 2613 upper end of lower prop and the lower surface of pressure-bearing frame 267 are fixed.

Carrying axis machine further includes rotating drive part 268, and rotating drive part 268 is fixed on 267 inner wall of pressure-bearing frame, rotate driving group Part can according to the actual situation depending on, select micro machine herein.It holds and has rotating switch 2641, rotating switch on handle 264 2641 mutually couple with rotating drive part 268 and lifting driving assembly.The unlatching of rotating switch 2641 can be such that rotating drive part 268 starts And oil cylinder 231 is ejected, the closing of rotating switch 2641 can be such that rotating drive part 268 stops, and rotating switch 2641 is not controlled herein The stopping and backhaul of liquefaction cylinder 231.

As shown in attached drawing 12 and attached drawing 13, last item bar 263 is along 2613 axle center of lower prop through lower prop 2613 and insertion pressure-bearing frame In 267, and 263 upper end of last item bar is also connect with rotating drive part 268, and rotating drive part 268 can drive last item bar 263 with it Itself vertical axle center is axis rotation.The upper end of last item bar 263 is wedge-shaped lower end 2631 straight down, wedge-shaped lower end 2631 Bottom surface is provided with the card slot 2632 of length direction wedge-shaped 2631 lozenges of lower end in parallel.The wedge shape of wedge-shaped lower end 2631 is conducive to worker Judge the length direction of card slot 2632.

As shown in attached drawing 13 and attached drawing 14, the present embodiment is screw thread peg 6a using peg 6.Screw thread peg 6a is in the form of a column, It has wedge-shaped upper end 61, the insertion end 62 of lower section approximately conical shape and the tapping screw thread 63 positioned at the side screw thread peg 6a.Wedge shape Upper end 61 can be inserted into card slot 2632, and the upper surface of wedge-shaped upper end 61 and the slot bottom of slot offset, the side of wedge-shaped upper end 61 with The side wall of card slot 2632 is affixed.

The course of work of the present embodiment:

Its course of work is close with embodiment one,

1. semi-finished product qin back 5 is sent between pressure-bearing platform 21 and conveying roller, piano iron plate 51 is located at immediately below loading stage 24；

2. screw thread peg 6a is directed at peg hole 511, insertion end 62 is inserted in peg hole 511, holds handle 264 simultaneously It moves horizontally and plants axis machine 26, so that wedge-shaped upper end 61 slides into card slot 2632 from 2632 side of card slot and cooperates with card slot 2632, The upper end of patch screw thread peg 6a is supported in the lower end of last item bar 263；

3. opening rotating switch 2641, the ejection of oil cylinder 231 and the starting of rotating drive part 268, driving loading stage 24 compress top Bar 265 pushes, and last item bar 263 pushes screw thread peg 6a vertically and screw thread peg 6a is driven to rotate simultaneously；

4. loading stage 24 compresses the making leaf spring 2782 of lower microswitch 273 to ring 2742 under declining directly, oil cylinder 231 stops It ejects and backhaul, loading stage 24 drives axis machine 26 rising of cultivation to reset；

5. repeating 2-4 step until so peg hole 511 is planted into screw thread peg 6a.

The working principle of the present embodiment:

What is different from the first embodiment is that

When using screw thread peg 6a, insertion end 62 is tuned up after axis hole 511, the lower end positioning of screw thread peg 6a, and wedge-shaped Upper end 61 slides into card slot 2632 and is inserted into card slot 2632 and cooperates with card slot 2632, and the axle center of screw thread peg 6a is corrected vertically With the horizontal position adjustment to last item bar 263 so that the axle center of screw thread peg 6a, the axle center in peg hole 511 and last item bar 263 Axle center further tends to be overlapped；

When screw thread peg 6a is pushed, the tapping screw thread 63 of the side screw thread peg 6a is by being rotated in the inside in peg hole 511 Self tapping forms the internal screw thread fitted closely with it, and peg 6, which is pressed into 511 forming internal threads of chord axis hole, can synchronize progress, optimization life Production. art improves production efficiency；

The rotation of screw thread peg 6a indentation simultaneously passes through the cooperation of tapping screw thread 63 and internal screw thread, plays guiding role, in turn Screw thread peg 6a progress axially aligned with peg hole 511 is improved, direct punching press is avoided, reduces the noise during generating.

Furthermore since piano iron plate 51 is horizontal, screw thread peg 6a keeps vertical rotation indentation peg hole 511, compared with screw thread string Axis 6a Sloped rotating is pressed into for peg hole 511, avoids being not easy to be aligned in Sloped rotating process of press in, gravity deflection leads to screw thread Peg 6a axial deflection or the case where skid.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (9)

1. a kind of peg of acoustic source of piano is planted into equipment, which is characterized in that it plants including conveying roller band (1) and peg into device (2), It includes the pressure-bearing platform (21) positioned at conveying roller band (1) side, the dress above pressure-bearing platform (21) that the peg, which plants device (2), Microscope carrier (24), the lift drive mechanism (23) for going up and down loading stage (24), the cultivation axis machine being fixed below loading stage (24) (26), the upper surface of the pressure-bearing platform (21) is pressure-bearing surface (211), and the pressure-bearing surface (211) is inclined towards conveying roller band (1) direction Obliquely, the pressure-bearing surface (211) is close to the side height in conveying roller band (1) direction and the upper surface highest of conveying roller band (1) Point height alignment, cultivation axis machine (26) lower end have vertical last item bar (263), and the cultivation axis machine (26) is with loading stage (24) Synchronization lifting.

2. a kind of peg of acoustic source of piano according to claim 1 is planted into equipment, which is characterized in that the pressure-bearing surface It (211) is filling-in angle (212) that filling-in angle (212) angle is 3-6 ° with the inclination angle of horizontal plane.

3. a kind of peg of acoustic source of piano according to claim 1 is planted into equipment, which is characterized in that the cultivation axis machine (26) Including can be with the rotating drive part (268) that dynamic pressure shaft bar (263) are rotated using Pivot Point Center as axis, under the last item bar (263) The card slot (2632) with bar shaped is held, the card slot (2632) can be clamped with peg (6) and peg (6) is driven to rotate, the cultivation axis Machine (26) is screw thread peg (6a) using peg (6), has tapping screw thread (63) on side.

4. a kind of peg of acoustic source of piano according to claim 3 is planted into equipment, which is characterized in that including hanger (22), The hanger (22) includes the erecting bed (221) above loading stage (24), the erecting bed (221) and loading stage (24) it Between be provided with lifting limit assembly (27), lifting limit assembly (27) including be mounted on it is upper on erecting bed (221) side Microswitch (272), lower microswitch (273) and the lifting column (274) being fixed on installation set platform, the upper microswitch (272) it is compressed spring type microswitch and is provided with the side of making leaf spring (27822) towards lifting column with lower microswitch (273) (274), the upper microswitch (272) couples lift drive mechanism (23) and controls erecting bed (221) and stops rising, under described Microswitch (273) couples lift drive mechanism (23), and control erecting bed (221) stops declining and rising, the lifting column (274) be cased between the side of two making leaf springs (27822) support it is ring (2741) and lower to ring (2742), with the lifting column (274) making leaf spring (27822) can be compressed by going up and down upper ring (2741) and lower support ring (2742) supported.

5. a kind of peg of acoustic source of piano according to claim 4 is planted into equipment, which is characterized in that the cultivation axis machine (26) Including holding handle (264), the rotating switch held with control rotating drive part (268) rotation on handle (264) (2641), the rotating switch (2641) also declines with lift drive mechanism (23) coupling control device platform.

6. a kind of peg of acoustic source of piano according to claim 3 is planted into equipment, which is characterized in that the cultivation axis machine (26) Be provided between loading stage (24) level(l)ing mechanism (25), the level(l)ing mechanism (25) include first rotating shaft (251), Second shaft (253), the first pivoted arm (252) and the second pivoted arm (254), its axial vertical and upper end of the first rotating shaft (251) It is fixed with the side of loading stage (24), wherein the side of one end and first rotating shaft (251) lower end rotates first pivoted arm (252) The other end of the first pivoted arm (252) and rotationally connected is run through in connection, the second shaft (253) upper end vertically, and described the The side of wherein one end of two pivoted arms (254) and the second shaft (253) lower end is rotatablely connected, second pivoted arm (254) it is another One end is socketed in the outside for planting axis machine (26).

7. a kind of peg of acoustic source of piano according to claim 6 is planted into equipment, which is characterized in that the cultivation axis machine (26) Upper end be connected with vertical mandril (265), mandril (265) upper end band crown cap (2651), on the top cap (2651) End can be abutted with loading stage (24) bottom surface.

8. a kind of peg of acoustic source of piano according to claim 7 is planted into equipment, which is characterized in that the loading stage (24) The two sides lower edge of vertical transport roller strap (1) transporting direction is respectively and fixedly provided with for stopping top cap (2651) to loading stage (24) bottom The limit plate (241) skidded off outside face.

9. a kind of peg of acoustic source of piano according to claim 7 is planted into equipment, which is characterized in that the cultivation axis machine (26) Upper end be provided with installation threaded hole (2611), be threadedly coupled in the mandril (265) insertion installation threaded hole (2611) and therewith, Also with compressing ring (2652) on the outside of the mandril (265), the upper end of second shaft (253) is pierced by the second pivoted arm (254) Outer and its outside is cased with shock-absorbing spring (266), and the lower end of the shock-absorbing spring (266) compresses the second pivoted arm (254), and the upper end is supported Compress the bottom surface of pressure ring (2652).