CN203266714U - Automatic cutting machine of piano hammer head - Google Patents
Automatic cutting machine of piano hammer head Download PDFInfo
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- CN203266714U CN203266714U CN 201320284590 CN201320284590U CN203266714U CN 203266714 U CN203266714 U CN 203266714U CN 201320284590 CN201320284590 CN 201320284590 CN 201320284590 U CN201320284590 U CN 201320284590U CN 203266714 U CN203266714 U CN 203266714U
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Abstract
The utility model discloses an automatic cutting machine of a piano hammer head. The automatic cutting machine comprises a machine frame; a working part, a feeding device, a locating device, a pressing device, a cutting device, a removing device and a discharging device are arranged on the machine frame; the working part corresponds to the position where the hammer head to be cut is located in the process of cutting the hammer head; the feeding device is used for sending the hammer head to be cut into the working part; the locating device is used for locating the hammer head to be cut on the working part; the pressing device is used for pressing the hammer head to be cut tight on the working part; the cutting device is used for cutting the hammer head; the removing device is used for removing the cut hammer head out of the working part; the discharging device is used for discharging the removed hammer head. The automatic cutting machine of the piano hammer head can automatically complete cutting of the piano hammer head, and has the advantages that production efficiency is high, safety performance is good, and the quality of the cut hammer head is high.
Description
Technical field
The utility model relates to the process equipment of piano parts, is specifically related to a kind of piano hammerhead automatic gas cutting machine.
Background technology
The piano hammerhead is the part that knocks the string pronunciation, and the quality of hammerhead directly has influence on the quality of piano acoustic quality.Referring to Fig. 1～Fig. 4, hammerhead 1-1 is made of (in 88 hammerhead 1-1 of piano reel 1-2 and the white felt 1-3 that is wrapped in reel 1-2 one end, also has core felt 1-4 in the white felt 1-3 of No. 1～No. 70 hammerhead 1-1, there is no core felt 1-4 in No. 71～No. 88 hammerhead 1-1), the position of knocking string when wherein felt 1-3 top is work in vain.The production process of hammerhead 1-1 is: a plurality of reel 1-2 close-packed arrays are also clamped together, then utilize special equipment a white felt 1-3 to be wrapped in (comprising core felt 1-4) end of reel 1-2 arranged together, utilize glue that they are sticked into one, and by certain squeezing mode with white felt 1-3 (comprising core felt 1-4) compacting, consist of hammerhead assembly 1, from the gap location between reel 1-2 and reel 1-2, white felt 1-3 (comprising core felt 1-4) is cut off at last, form single hammerhead 1-1.
Existing chord of contact mallet 1-1 method is: whole piece hammerhead assembly 1 is placed in the mould that pre-establishes of cutting equipment, two hammerhead 1-1 that will be to be cut by the mode of craft break into two with one's hands slightly, gap between two hammerhead 1-1 is slightly enlarged, then with this gap of bit alignment, the pedal of lower cutting equipment tramps with one's feet, cutter is down moved, until the below of mould cuts off white felt 1-3 (comprising core felt 1-4).
There is following shortcoming in said method: 1, staff is separately leaned in the gap between workpiece, and labour intensity is large; 2, place work piece, workpiece pressing, cut workpiece, take out workpiece, complete in manual operation, production efficiency is low; 3, workpiece size is less, workpiece pressing and hold up steady workpiece by staff, and the knife edge easily hurts hand, and the unstable white felt of workpiece that easily makes of workpiece partly forms S shape, thereby become scrap, therefore require the workman to have very strong operative skill, the production of guarantee safety and efficiently.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of piano hammerhead automatic gas cutting machine is provided, and this automatic gas cutting machine can be completed the cutting of hammerhead automatically, has advantages of the high and good product quality of production efficiency.
Another purpose of the present utility model is to provide a kind of method that above-mentioned piano hammerhead automatic gas cutting machine cuts hammerhead of using.
A kind of piano hammerhead automatic gas cutting machine, comprise frame, frame is provided with cutting operate portions corresponding with hammerhead to be cut position during hammerhead, also be provided with on frame for the pay-off of hammerhead to be cut being sent into operate portions, be used for hammerhead to be cut be positioned at positioner on operate portions, be used for hammerhead to be cut be pressed on hold down gag on operate portions, be used for the cutter sweep of cutting hammerhead, hammerhead after being used for cut shift out the moving-out device of operate portions and be used for shifting out after the discharge device of hammerhead discharge, wherein:
Described pay-off comprises that one end of this Y-direction feed well is connected with operate portions, also comprises for the hammerhead to be cut of hammerhead assembly being pushed to the pusher of operate portions for the Y-direction feed well of placing the hammerhead assembly;
Thereby described positioner comprises be used to stopping that hammerhead to be cut moves along Y-direction hammerhead to be cut is positioned at positioning head on operate portions, is connected with the Y-direction telescoping mechanism on this positioning head;
Described hold down gag is arranged at the top of operate portions, comprise the first location pressure head and the second location pressure head, telescoping mechanism is connected with being connected vertically with promoting the first vertical telescoping mechanism that they make vertical motion respectively for they, during work, the first location pressure head is pressed on hammerhead to be cut, and the second location pressure head is pressed on the hammerhead adjacent with hammerhead to be cut;
The X-direction telescoping mechanism that described cutter sweep comprises knife rest, is located at the blade on knife rest and is connected with knife rest;
Described moving-out device comprises slide and the X-direction shift-out mechanism that is connected with this slide, wherein, slide is provided be used to the detent of placing hammerhead to be cut, and during cutting, the position of described detent overlaps with operate portions, and hammerhead to be cut is positioned at described detent;
Described discharge device comprises Y-direction discharge chute, discharge pushing block and the Y-direction discharge mechanism that is connected with the discharge pushing block, wherein, the discharge pushing block is in alignment with an end of Y-direction discharge chute, and after the hammerhead after moving-out device will cut shifts out, the position at this hammerhead place is between discharge pushing block and Y-direction discharge chute;
Described X-direction is mutually vertical with Y-direction.
A preferred version of the present utility model, wherein, in described pay-off, pusher comprises pushing block, stay cord, fixed pulley, movable pulley and suspending hammer, and described pushing block is arranged in the Y-direction feed well, and acts in the hammerhead assembly on the end away from operate portions, described stay cord one end is fixedly connected with pushing block, the other end extends and walks around the fixed pulley that is located on frame to downward-extension towards the operate portions direction, then is fixedly connected with frame after walking around movable pulley, and described movable pulley is arranged on suspending hammer.
A preferred version of the present utility model, wherein, in described positioner, the Y-direction telescoping mechanism comprises cylinder or oil cylinder, described positioning head is connected on the piston rod of this cylinder or oil cylinder.
A preferred version of the present utility model, wherein, in described hold down gag, the first vertical telescoping mechanism and the second vertical telescoping mechanism comprise cylinder or oil cylinder, the cylinder body of this cylinder or oil cylinder is fixed on the top of a support arm, and the bottom of this support arm is fixedly connected with frame; Cylinder in the first vertical telescoping mechanism and the second vertical telescoping mechanism or the piston rod of oil cylinder are fixedly connected with the second slide block with the first slide block respectively, and this first slide block and the second slide block form along vertical being slidably connected of sliding with the slide rail that is fixed on support arm respectively; Be connected with respectively the first clamping arm and the second clamping arm on described the first slide block and the second slide block, this first clamping arm and the second clamping arm extend straight down, the lower end of the opposite face of this first clamping arm and the second clamping arm is extended to offside and is formed respectively the first extension and the second extension, and this first extension and the second extension consist of respectively described the first location pressure head and the second location pressure head.
A preferred version of the present utility model, wherein, in described cutter sweep, the X-direction telescoping mechanism comprises cylinder or oil cylinder, and an end of described knife rest is the U-shaped head, and described blade is connected on this U-shaped head, and the other end of knife rest is connected with the piston rod of described cylinder or oil cylinder; The bottom of knife rest is fixed on a base plate, forms along being slidably connected that X-direction is slided between this base plate and frame.
A preferred version of the present utility model, wherein, in described moving-out device, the X-direction shift-out mechanism comprises cylinder or oil cylinder; Described detent is arranged on an end of slide, and the other end of slide is connected with the piston rod of described cylinder or oil cylinder; The bottom of slide is connected with a slide plate, forms along being slidably connected that X-direction is slided between this slide plate and frame.
A preferred version of the present utility model, wherein, in described discharge device, the Y-direction discharge mechanism comprises cylinder or oil cylinder, described discharge pushing block is connected on the piston rod of this cylinder or oil cylinder.
A preferred version of the present utility model, wherein, be provided with auxiliary filler strip in described Y-direction feed well, described pushing block is provided with the first supporting base, an end that is connected with operate portions in described Y-direction feed well is provided with the second supporting base, and in moving-out device, the detent of slide is provided with the 3rd supporting base; Wherein, in all reels in the hammerhead assembly, the reel of hammerhead to be cut is bearing on the 3rd supporting base, and the reel of the one or more hammerheads adjacent with hammerhead to be cut is bearing on the second supporting base, and all the other reels are bearing on auxiliary filler strip; White felt away from an end of operate portions in described hammerhead assembly is bearing on the first supporting base; Has the cutter gap excessively that allows blade pass through between described the second supporting base and the 3rd supporting base.
Further, the upper surface of described the second supporting base and the 3rd supporting base is the inclined plane, and this inclined plane tilts to the other end from described one, cutter gap excessively; The lower surface of described the first location pressure head and the second location pressure head is respectively the inclined plane parallel with the upper surface of the second supporting base with the 3rd supporting base.
A kind ofly use the method that above-mentioned piano hammerhead automatic gas cutting machine cuts hammerhead, comprise the following steps:
(1) the hammerhead assembly is packed in Y-direction feed well in pay-off, pay-off work, the hammerhead to be cut in the hammerhead assembly is pushed on operate portions by pusher; At this moment, the Y-direction telescoping mechanism in positioner is in the state of stretching out, and positioning head is close to the operate portions place, and hammerhead to be cut is positioned on operate portions;
(2) hold down gag work, the first vertical telescoping mechanism and the second vertical telescoping mechanism drive respectively the first location pressure head and the second location pressure head moves downward, wherein the first location pressure head is pressed on hammerhead to be cut on operate portions, and the hammerhead that the second location pressure head will be adjacent with hammerhead to be cut compresses; Subsequently, the drive of the Y-direction telescoping mechanism in positioner positioning head is return;
(3) cutter sweep work, the X-direction telescoping mechanism promotes forward knife rest and blade, and blade cuts off hammerhead to be cut, then returns with the X-direction telescoping mechanism;
(4) vertical telescoping mechanism drive the first location pressure head of first in hold down gag moves upward, and unclamps compacted hammerhead; Simultaneously, the Y-direction telescoping mechanism in positioner stretches out, and positioning head is pushed into is close to the operate portions place;
(5) moving-out device work, X-direction shift-out mechanism drive the slide motion, and the hammerhead that is cut in detent is moved out of operate portions with slide;
(6) discharge device work, the Y-direction discharge mechanism drives the discharge pushing block will push the Y-direction discharge chute to by the hammerhead that moving-out device shifts out, and the discharge of Y-direction discharge mechanism drive subsequently pushing block moves back same;
(7) the X-direction shift-out mechanism in moving-out device pushes back to slide in operate portions, and vertical telescoping mechanism drive the second location pressure head of second in hold down gag moves upward subsequently, unclamps compacted hammerhead; Pay-off work, the hammerhead to be cut in the hammerhead assembly is pushed on operate portions by pusher, enters the hammerhead cutting work of next circulation.
The utility model compared with prior art has following beneficial effect:
In the utility model, from being fed to the location, compressing, cut, shift out workpiece and discharge and automatically complete by corresponding device, manual intervention is less, has not only saved manpower, has greatly improved efficient, and has greatly improved the security of producing.Simultaneously, automatic gas cutting machine of the present utility model in the course of the work, the workpiece registration, during cutting, workpiece is compacted can not become flexible, the quality of the hammerhead that therefore cuts out is high, scrappage is low.
Description of drawings
Fig. 1～Fig. 4 is the structural representation of hammerhead assembly described in the utility model, and wherein, Fig. 1 is front view, and Fig. 2 is left view (enlarged drawing), and Fig. 3 is right view (enlarged drawing), and Fig. 4 is upward view.
Fig. 5～Fig. 7 is the structural representation of a specific embodiment of the automatic gas cutting machine of string mallet of the present utility model, and wherein, Fig. 5 is front view, and Fig. 6 is left view, and Fig. 7 is top view (omission hold down gag).
Fig. 8 is the partial enlarged drawing of Fig. 6.
Fig. 9 is the partial enlarged drawing of Fig. 8.
Figure 10～Figure 13 is the structural representation of pay-off in Fig. 5～piano hammerhead automatic gas cutting machine shown in Figure 7, and wherein, Figure 10 is front view, and Figure 11 right view, Figure 12 are top view, and Figure 13 is the partial enlarged drawing of Figure 10.
Figure 14～Figure 16 is the structural representation of hold down gag in Fig. 5～piano hammerhead automatic gas cutting machine shown in Figure 7, and wherein, Figure 14 is front view, and Figure 15 is left view, and Figure 16 is top view (omission cylinder portion).
Figure 17 and Figure 18 are the structural representation of the first clamping arm in Figure 14～hold down gag shown in Figure 16, and wherein, Figure 17 is front view, and Figure 18 is left view.
Figure 19 and Figure 20 are the structural representation of the second clamping arm in Figure 14～hold down gag shown in Figure 16, and wherein, Figure 19 is front view, and Figure 20 is left view.
Figure 21～Figure 23 is the structural representation of cutter sweep and moving-out device in Fig. 5～piano hammerhead automatic gas cutting machine shown in Figure 7, and wherein, Figure 21 is front view, and Figure 22 is left view (enlarged drawing, and omit the cutter sweep part), and Figure 23 is top view.
Figure 24～Figure 26 is the structural representation of Figure 21～cutter sweep intermediate slide shown in Figure 23 and base plate, and wherein, Figure 24 is front view, and Figure 25 is left view, and Figure 26 is top view.
Figure 27～Figure 30 is the structural representation of slide in Figure 21～moving-out device shown in Figure 23, and wherein, Figure 27 is front view, and Figure 28 is the A-A cutaway view (enlarged drawing) of Figure 27, and Figure 29 is top view, and Figure 30 is the partial enlarged drawing of Figure 28.
Figure 31～Figure 33 is the structural representation in positioner and discharge device in Fig. 5～piano hammerhead automatic gas cutting machine shown in Figure 7, and wherein, Figure 31 is front view, Figure 32 be the B-B of Figure 29 to view (enlarged drawing), Figure 33 is top view.
Figure 34 is the workflow diagram of the automatic gas cutting machine of string mallet of the present utility model.
In figure, Reference numeral is: 1 hammerhead assembly; The 1-1 hammerhead; The 1-2 reel; The white felt of 1-3; 1-4 core felt; 2 frames; 3 workbench; 4Y is to feed well; 4-1 the second supporting base; The 4-2 inclined plane; 4-3 assists filler strip; The 4-4 gathering sill; 5 pushing blocks; The 5-1 screw; The 5-2 handrail; 5-3 the first supporting base; The 5-4 guide runner; 6 suspending hammers; 7 stay cords; 8 fixed pulleys; 9 positioning heads; 10 cylinder F; 11 support arms; 12 cylinder D; 13 cylinder C; 14 first location pressure heads; 14-1 the first projection; 15 second location pressure heads; 15-1 the second projection; 16 first slide blocks; 17 second slide blocks; 18 slide rails; 19 first clamping arms; 20 second clamping arms; 21 keep away the cutter space; 22 cylinder A; 23 knife rests; 23-1U shape head; 24 blades; 25 pressure knife blocks; 26 connectors; 27 base plates; 28 slide rails; 29 cylinder B; 30 slides; The 30-1 detent; 30-2 the 3rd supporting base; 30-3 arc location division; The 30-4 inclined plane; The 30-5 step structure; 31 connectors; 32 slide plates; 33 charging supporting bases; 34 cylinder E; 35 discharge pushing blocks; 36Y is to discharge chute; 37 gripper shoes; 38 operate portions; 39 stay cord support nails; 40 keep away the cutter space; 41 movable pulleys; 42 optoelectronic switches; 43 installing plates.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
referring to Fig. 5～Fig. 7, the piano hammerhead automatic gas cutting machine of the present embodiment comprises frame 2, frame 2 is provided with workbench 3, workbench 3 be provided with cutting during hammerhead with hammerhead to be cut (be positioned in hammerhead assembly 1 end will be cut that hammerhead 1-1) operate portions 38 corresponding to position, also be provided with on workbench 3 for hammerhead to be cut being sent into the pay-off of operate portions 38, for the positioner that hammerhead to be cut is positioned on operate portions 38, for the hold down gag that hammerhead to be cut is pressed on operate portions 38, the cutter sweep that is used for the cutting hammerhead, hammerhead after being used for cutting shifts out the moving-out device of operate portions 38 and the discharge device of discharging for the hammerhead after shifting out.
Referring to Fig. 5～Figure 11, described pay-off comprises for the Y-direction feed well 4 of placing hammerhead assembly 1 with for the hammerhead to be cut of hammerhead assembly 1 being pushed to the pusher of operate portions 38, wherein, one end of Y-direction feed well 4 is connected with operate portions 38, the other end stretches out, and this Y-direction feed well 4 is fixedly connected with workbench 3 by gripper shoe 37 and charging supporting base 33.Described pusher comprises pushing block 5, stay cord 7, fixed pulley 8, movable pulley 41 and suspending hammer 6, described pushing block 5 is arranged in Y-direction feed well 4, be provided with guiding mechanism between this pushing block 5 and Y-direction feed well 4, this guiding mechanism is made of the gathering sill 4-4 that is located at Y-direction feed well 4 bottoms and the guide runner 5-4 that is located at pushing block 5 bottoms, wherein, the cross section of guide runner 5-4 is T-shaped; Described stay cord 7 one ends are fixedly connected with screw 5-1 on being located at pushing block 5, the other end extends and walks around fixed pulley 8 on the charging supporting base 33 that is located on frame 2 to downward-extension towards operate portions 38 directions, after walking around again movable pulley 41 and the stay cord support nail 39 on frame 2 be fixedly connected with, described movable pulley 41 is arranged on suspending hammer 6.The operation principle of above-mentioned pusher is: under Action of Gravity Field, suspending hammer 6 produces a lasting pulling force by 7 pairs of pushing blocks of stay cord 5, under this pulling force effect, 5 pairs of hammerhead assemblys of pushing block 1 produce a lasting thrust of impelling hammerhead assembly 1 to move towards operate portions 38.For the ease of resetting of pushing block 5, this pushing block 5 also is provided with handrail 5-2, its role is to, and when hammerhead assembly 1 that the upper complete needs of hammerhead assembly 1 cutting are packed into new, pulls pushing block 5 to reset by this handrail 5-2, thus the hammerhead assembly 1 that can pack into new.
Referring to Fig. 5～Fig. 7, Figure 29～Figure 31, thereby described positioner comprises be used to stopping that hammerhead to be cut moves along Y-direction hammerhead to be cut is positioned at positioning head 9 on operate portions 38, this positioning head 9 is right against the end of Y-direction feed well 4, act on during work on the end face of hammerhead to be cut, thereby the thrust of balance pusher to hammerhead assembly 1, and hammerhead to be cut is positioned on operate portions 38.Be connected with the Y-direction telescoping mechanism on this positioning head 9, this Y-direction telescoping mechanism comprises cylinder F10; The effect of this Y-direction telescoping mechanism is, before hammerhead to be cut is sent into operate portions 38, positioning head 9 is pushed to the position of location division, and the hammerhead to be cut that is about to enter is positioned; And after first in hold down gag location pressure head 14 is pressed in the reel 1-2 of hammerhead to be cut on operate portions 38, positioning head 9 retreats, its reason is: in cutting process when blade enters between the reel 1-2 of two hammerheads and reel 1-2 the gap, constantly workpiece is squeezed to both sides and open, if positioning head 9 stands fast, the reel 1-2 of hammerhead to be cut is little moving laterally, makes cutter to be offset to the inside, can cause and cut partially and tool damage.
Referring to Fig. 5～Fig. 9, Figure 12～Figure 18, described hold down gag is arranged at the top of operate portions 38, comprise the first location pressure head 14 and the second location pressure head 15, telescoping mechanism is connected with being connected vertically with promoting the first vertical telescoping mechanism that they make vertical motion respectively for they, during work, the first location pressure head 14 is pressed on hammerhead to be cut, and the second location pressure head 15 is pressed on the hammerhead adjacent with hammerhead to be cut.Particularly, the described first vertical telescoping mechanism and the second vertical telescoping mechanism comprise respectively cylinder D12 and cylinder C13; Cylinder D12 and cylinder C13 all are fixed on the installing plate 43 on top of a support arm 11, and the bottom of this support arm 11 is fixedly connected with workbench 3; The first vertical telescoping mechanism is fixedly connected with the second slide block 17 with the first slide block 16 respectively with cylinder C13 with cylinder D12 in the second vertical telescoping mechanism, and this first slide block 16 and the second slide block 17 form along vertical being slidably connected of sliding with the slide rail 18 that is fixed on installing plate 43 respectively; Be connected with respectively the first clamping arm 19 and the second clamping arm 20 on described the first slide block 16 and the second slide block 17, this first clamping arm 19 and the second clamping arm 20 extend straight down, the lower end of the opposite face of this first clamping arm 19 and the second clamping arm 20 is extended to offside and is formed respectively the first extension and the second extension, and this first extension and the second extension consist of respectively described the first location pressure head 14 and the second location pressure head 15.Described the first extension and the second extension lower end are more slightly to lower convexity, form respectively the first protruding 14-1 and the second protruding 15-1, the lower surface of this first protruding 14-1 and the second protruding 15-1 is respectively the inclined plane parallel with the upper surface of the second supporting base with the 3rd supporting base, and during work, the lower surface of described projection is pressed on reel on hammerhead.Space between above-mentioned the first clamping arm 19 and the second clamping arm 20 has formed keeps away cutter space 21, and this effect that keeps away cutter space 21 is, during cutting, knife rest 23 passes therethrough, thereby the motion of cutter setting frame 23 does not cause obstruction.
Referring to Fig. 5～Fig. 9, Figure 19～Figure 24, the X-direction telescoping mechanism that described cutter sweep comprises knife rest 23, is located at the blade 24 on knife rest 23 and is connected with knife rest 23, wherein, one end of knife rest 23 is U-shaped head 23-1, the opening of this U-shaped head 23-1 is towards operate portions 38, described blade 24 is connected on this U-shaped head 23-1, and two up and down of blade 24 is fixedly connected on two arms of U-shaped head 23-1 by pressure knife block 25 and screw respectively.The knife edge part of described blade 24 is in alignment with hammerhead to be cut and the gap between adjacent hammerhead with it.The bottom of the other end of described knife rest 23 is fixedly connected on a base plate 27, and this base plate 27 forms along being slidably connected that X-direction is slided with the slide rail 28 that is located on workbench 3.Described X-direction telescoping mechanism comprises cylinder A22, and the piston rod of this cylinder A22 is provided with connector 26, and the end of described knife rest 23 is inserted in this connector 26, and is fixedly connected with by pin.The operation principle of above-mentioned cutter sweep is: cylinder A22 band movable knife rack 23 slidably reciprocates along X-direction, when knife rest 23 is pushed ahead, blade 24 incision hammerheads to be cut and the gap between adjacent hammerhead with it, hammerhead to be cut is downcut, return subsequently, wait for the cutting work that enters next circulation.
In the utility model, described X-direction and Y-direction are orthogonal both direction on workbench 3.
Referring to Fig. 5～Fig. 9, Figure 19～Figure 21 and Figure 25～Figure 28, described moving-out device comprises slide 30 and the X-direction shift-out mechanism that is connected with this slide 30, wherein, one end of slide 30 is provided be used to the detent 30-1 that places hammerhead to be cut, during work, the position of described slide 30 overlaps with operate portions 38, hammerhead to be cut is positioned at described detent 30-1, that is described detent 30-1 consists of operate portions 38; In described detent 30-1, be provided with hammerhead 1-1 in the size maximum the arc location division 30-3 that is complementary of the profile of white felt 1-3, described white felt 1-3 is matched with in this arc location division 30-3, not only plays positioning action, but also play self centering effect, make the location more accurate.Described X-direction shift-out mechanism comprises cylinder B29, and the piston rod of this cylinder B29 is provided with connector 31, and the other end of described slide 30 is inserted in this connector 31, and is fixed together by pin.Extend along side direction and vertical bending successively the bottom of described slide 30, forms step structure 30-5, and the bottom of this step structure 30-5 is connected with a slide plate 32, and this slide plate 32 forms along being slidably connected that X-direction is slided with the slide rail 28 that is located on workbench 3.The purpose that described slide 30 arranges step structure 30-5 is, formed below its bottom and kept away cutter space 40, the underarm of U-shaped head 23-1 during work on knife rest 23 is kept away cutter space 40 from this and is passed, the upper arm of U-shaped head 23-1 from hold down gag keeping away in cutter space 21 between the first clamping arm 19 and the second clamping arm 20 pass.
Referring to Fig. 5～Fig. 9, Figure 25～Figure 28, be provided with the auxiliary filler strip 4-3 for the reel 1-2 of supporting hammerhead assembly 1 in described Y-direction feed well 4, this auxiliary filler strip 4-3 is arranged at the edge in Y-direction feed well 4; An end towards operate portions 38 in described pushing block 5 is provided with the first supporting base 5-3; An end that is connected with operate portions 38 in described Y-direction feed well 4 is provided with the second supporting base 4-1, and in moving-out device, the detent 30-1 of slide 30 is provided with the 3rd supporting base 30-2; Described auxiliary filler strip 4-3, the second supporting base 4-1 connect successively with the 3rd supporting base 30-2, and have the cutter gap excessively that allows blade pass through between the second supporting base 4-1 and the 3rd supporting base 30-2.In all reel 1-2 in hammerhead assembly 1, the reel 1-2 of hammerhead to be cut is bearing on the 3rd supporting base 30-2, the reel 1-2 of one or more (the present embodiment be two) hammerhead 1-1 adjacent with hammerhead to be cut is bearing on the second supporting base 4-1, and all the other reel 1-2 are bearing on auxiliary filler strip 4-3.The upper surface of described the second supporting base 4-1 and the 3rd supporting base 30-2 is respectively inclined plane 4-2 and inclined plane 30-4, and this inclined plane 4-2 and inclined plane 30-4 tilt to the other end from described one, cutter gap excessively.The purpose that above-mentioned inclined plane 4-2 and inclined plane 30-4 are set is, because the lower surface of the first protruding 14-1 and the second protruding 15-1 is also the inclined plane parallel with the upper surface of the second supporting base with the 3rd supporting base, when the location pressure head 14 of first in hold down gag and second is located pressure head 15 downward compression, hammerhead to be cut and with it adjacent hammerhead can tilt to both sides centered by crossing the cutter gap by described, hammerhead to be cut like this and with it adjacent hammerhead will be broken into two with one's hands, a crack occurs, be convenient to blade 24 incisions.white felt 1-3 away from an end of operate portions 38 in described hammerhead assembly 1 is bearing on the first supporting base 5-3, its role is to: change successively from big to small (during cutting, the larger-size end of white felt 1-3 is positioned at operate portions 38) from the white felt 1-3 size of the hammerhead 1-1 of hammerhead assembly 1 end to end, the bottom of Y-direction feed well 4 is difficult to dialogue felt 1-3 and partly supports like this, make hammerhead assembly 1 easily tilt because supporting shakiness, by described the first supporting base 5-3 is set, the white felt 1-3 away from an end of operate portions 38 in hammerhead assembly 1 is supported, guarantee that hammerhead assembly 1 is not offset in cutting process.
Referring to Fig. 5～Fig. 9, Figure 29～Figure 31, described discharge device comprises Y-direction discharge chute 36, discharge pushing block 35 and the Y-direction discharge mechanism that is connected with discharge pushing block 35, wherein, discharge pushing block 35 is in alignment with an end of Y-direction discharge chute 36, and the hammerhead after moving-out device will cut shifts out the position at rear hammerhead place between discharge pushing block 35 and Y-direction discharge chute 36.Described Y-direction discharge mechanism comprises cylinder E34, and described discharge pushing block 35 is connected on the piston rod of cylinder E34.
Referring to Fig. 5～Fig. 7 and Figure 32, a kind ofly use the method that above-mentioned piano hammerhead automatic gas cutting machine cuts hammerhead, comprise the following steps:
(1) in artificial mode, hammerhead assembly 1 is packed in Y-direction feed well 4 in pay-off, press starting switch, pay-off work, the hammerhead to be cut in hammerhead assembly 1 is pushed on operate portions 38 by pusher; At this moment, the cylinder F in positioner is in the state of stretching out, and positioning head 9 is close to operate portions 38 places, and hammerhead to be cut is positioned on operate portions 38;
(2) hold down gag work, cylinder D and cylinder C drive respectively the first location pressure head 14 and the second location pressure head 15 moves downward, wherein the first location pressure head 14 is pressed on hammerhead to be cut on operate portions 38, and the hammerhead that the second location pressure head 15 will be adjacent with hammerhead to be cut compresses; Subsequently, the drive of the cylinder F in positioner positioning head 9 is return;
(3) cutter sweep work, cylinder A promotes forward knife rest 23 and blade 24, and blade 24 cuts off hammerhead to be cut, then returns with cylinder A;
(4) drive of the cylinder D in hold down gag the first location pressure head 14 moves upward, and unclamps compacted hammerhead; Simultaneously, the cylinder F in positioner stretches out, and positioning head 9 is pushed into is close to operate portions 38 places;
(5) moving-out device work, cylinder B drives slide 30 motions, and the hammerhead that is cut in detent 30-1 is moved out of operate portions 38 with slide 30;
(6) discharge device work, cylinder E drives discharge pushing block 35 will push Y-direction discharge chute 36 to by the hammerhead that moving-out device shifts out, and drive discharge pushing block 35 with exhaust hood E and return;
(7) the cylinder B in moving-out device pushes back to slide 30 in operate portions 38, the the second location pressure head 15 of cylinder C in hold down gag drive subsequently moves upward, unclamp compacted hammerhead, the distance that this moment second, location pressure head 15 moved upward is less, as long as leave a little a bit of distance of reel of hammerhead, hammerhead assembly 1 can be slided, such the second positioning head 9 can prevent that hammerhead assembly 1 is upturned; Pay-off work, the hammerhead to be cut in hammerhead assembly 1 is pushed on operate portions 38 by pusher, enters the hammerhead cutting work of next circulation.
In the present embodiment, the work of above-mentioned each mechanism can realize automatic control by control system is set.For example, an optoelectronic switch 42 is set on the side of described operate portions 38, the effect of this optoelectronic switch 42 is: when in above-mentioned steps (1), hammerhead to be cut arrives operate portions 38, this signal and issue control system of putting in place detected, send instruction by control system and control hold down gag work in step (2), make step (1) and step (2) to be connected.And the linking between other steps, by realizing association between each step the sense switch that puts in place is set on cylinder, namely after the action of previous step is completed, the sense switch that puts in place on cylinder detects this signal, control system is sent instruction allows next mechanism work, and so realizes automated production.
In the present embodiment, the cylinder in the Y-direction telescoping mechanism in embodiment 1, X-direction telescoping mechanism, the first vertical telescoping mechanism, the second vertical telescoping mechanism, X-direction shift-out mechanism and Y-direction discharge mechanism is replaced to oil cylinder.
Above-mentioned other embodiments thought of the present embodiment are identical with embodiment 1.
In addition, in the utility model, in described Y-direction telescoping mechanism, X-direction telescoping mechanism, the first vertical telescoping mechanism, the second vertical telescoping mechanism, X-direction shift-out mechanism and Y-direction discharge mechanism, except can be outside cylinder and oil cylinder, can also be that other can realize straight-line actuating unit, for example, the straight-line motion mechanism that is consisted of by motor and rack-and-pinion.Described pusher also can adopt cylinder or oil cylinder to realize its function.
Above-mentioned is the better embodiment of the utility model; but embodiment of the present utility model is not subjected to the restriction of foregoing; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, within being included in protection domain of the present utility model.
Claims (9)
1. piano hammerhead automatic gas cutting machine, it is characterized in that, comprise frame, frame is provided with cutting operate portions corresponding with hammerhead to be cut position during hammerhead, also be provided with on frame for the pay-off of hammerhead to be cut being sent into operate portions, be used for hammerhead to be cut be positioned at positioner on operate portions, be used for hammerhead to be cut be pressed on hold down gag on operate portions, be used for the cutter sweep of cutting hammerhead, hammerhead after being used for cut shift out the moving-out device of operate portions and be used for shifting out after the discharge device of hammerhead discharge, wherein:
Described pay-off comprises that one end of this Y-direction feed well is connected with operate portions, also comprises for the hammerhead to be cut of hammerhead assembly being pushed to the pusher of operate portions for the Y-direction feed well of placing the hammerhead assembly;
Thereby described positioner comprises be used to stopping that hammerhead to be cut moves along Y-direction hammerhead to be cut is positioned at positioning head on operate portions, is connected with the Y-direction telescoping mechanism on this positioning head;
Described hold down gag is arranged at the top of operate portions, comprise the first location pressure head and the second location pressure head, telescoping mechanism is connected with being connected vertically with promoting the first vertical telescoping mechanism that they make vertical motion respectively for they, during work, the first location pressure head is pressed on hammerhead to be cut, and the second location pressure head is pressed on the hammerhead adjacent with hammerhead to be cut;
The X-direction telescoping mechanism that described cutter sweep comprises knife rest, is located at the blade on knife rest and is connected with knife rest;
Described moving-out device comprises slide and the X-direction shift-out mechanism that is connected with this slide, wherein, slide is provided be used to the detent of placing hammerhead to be cut, and during cutting, the position of described detent overlaps with operate portions, and hammerhead to be cut is positioned at described detent;
Described discharge device comprises Y-direction discharge chute, discharge pushing block and the Y-direction discharge mechanism that is connected with the discharge pushing block, wherein, the discharge pushing block is in alignment with an end of Y-direction discharge chute, and after the hammerhead after moving-out device will cut shifts out, the position at this hammerhead place is between discharge pushing block and Y-direction discharge chute;
Described X-direction is mutually vertical with Y-direction.
2. piano hammerhead automatic gas cutting machine according to claim 1, it is characterized in that, in described pay-off, pusher comprises pushing block, stay cord, fixed pulley, movable pulley and suspending hammer, described pushing block is arranged in the Y-direction feed well, and act in the hammerhead assembly on the end away from operate portions, described stay cord one end is fixedly connected with pushing block, the other end extends and walks around the fixed pulley that is located on frame to downward-extension towards the operate portions direction, be fixedly connected with frame after walking around movable pulley, described movable pulley is arranged on suspending hammer again.
3. piano hammerhead automatic gas cutting machine according to claim 1, is characterized in that, in described positioner, the Y-direction telescoping mechanism comprises cylinder or oil cylinder, and described positioning head is connected on the piston rod of this cylinder or oil cylinder.
4. piano hammerhead automatic gas cutting machine according to claim 1, it is characterized in that, in described hold down gag, the first vertical telescoping mechanism and the second vertical telescoping mechanism comprise cylinder or oil cylinder, the cylinder body of this cylinder or oil cylinder is fixed on the top of a support arm, and the bottom of this support arm is fixedly connected with frame; Cylinder in the first vertical telescoping mechanism and the second vertical telescoping mechanism or the piston rod of oil cylinder are fixedly connected with the second slide block with the first slide block respectively, and this first slide block and the second slide block form along vertical being slidably connected of sliding with the slide rail that is fixed on support arm respectively; Be connected with respectively the first clamping arm and the second clamping arm on described the first slide block and the second slide block, this first clamping arm and the second clamping arm extend straight down, the lower end of the opposite face of this first clamping arm and the second clamping arm is extended to offside and is formed respectively the first extension and the second extension, and this first extension and the second extension consist of respectively described the first location pressure head and the second location pressure head.
5. piano hammerhead automatic gas cutting machine according to claim 1, it is characterized in that, in described cutter sweep, the X-direction telescoping mechanism comprises cylinder or oil cylinder, one end of described knife rest is the U-shaped head, described blade is connected on this U-shaped head, and the other end of knife rest is connected with the piston rod of described cylinder or oil cylinder; The bottom of knife rest is fixed on a base plate, forms along being slidably connected that X-direction is slided between this base plate and frame.
6. piano hammerhead automatic gas cutting machine according to claim 1, is characterized in that, in described moving-out device, the X-direction shift-out mechanism comprises cylinder or oil cylinder; Described detent is arranged on an end of slide, and the other end of slide is connected with the piston rod of described cylinder or oil cylinder; The bottom of slide is connected with a slide plate, forms along being slidably connected that X-direction is slided between this slide plate and frame.
7. piano hammerhead automatic gas cutting machine according to claim 1, is characterized in that, in described discharge device, the Y-direction discharge mechanism comprises cylinder or oil cylinder, and described discharge pushing block is connected on the piston rod of this cylinder or oil cylinder.
8. piano hammerhead automatic gas cutting machine according to claim 6, it is characterized in that, be provided with auxiliary filler strip in described Y-direction feed well, described pushing block is provided with the first supporting base, an end that is connected with operate portions in described Y-direction feed well is provided with the second supporting base, and in moving-out device, the detent of slide is provided with the 3rd supporting base; Wherein, in all reels in the hammerhead assembly, the reel of hammerhead to be cut is bearing on the 3rd supporting base, and the reel of the one or more hammerheads adjacent with hammerhead to be cut is bearing on the second supporting base, and all the other reels are bearing on auxiliary filler strip; White felt away from an end of operate portions in described hammerhead assembly is bearing on the first supporting base; Has the cutter gap excessively that allows blade pass through between described the second supporting base and the 3rd supporting base.
9. piano hammerhead automatic gas cutting machine according to claim 8, is characterized in that, the upper surface of described the second supporting base and the 3rd supporting base is the inclined plane, and this inclined plane tilts to the other end from described one, cutter gap excessively; The lower surface of described the first location pressure head and the second location pressure head is respectively the inclined plane parallel with the upper surface of the second supporting base with the 3rd supporting base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320284590 CN203266714U (en) | 2013-05-22 | 2013-05-22 | Automatic cutting machine of piano hammer head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320284590 CN203266714U (en) | 2013-05-22 | 2013-05-22 | Automatic cutting machine of piano hammer head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203266714U true CN203266714U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320284590 Expired - Lifetime CN203266714U (en) | 2013-05-22 | 2013-05-22 | Automatic cutting machine of piano hammer head |
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| Country | Link |
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| CN (1) | CN203266714U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264404A (en) * | 2013-05-22 | 2013-08-28 | 广州珠江恺撒堡钢琴有限公司 | Piano hammer head automatic cutting machine and method of cutting hammer head |
| CN113146710A (en) * | 2021-04-26 | 2021-07-23 | 张双 | Device for manufacturing Chinese zither frame |
-
2013
- 2013-05-22 CN CN 201320284590 patent/CN203266714U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264404A (en) * | 2013-05-22 | 2013-08-28 | 广州珠江恺撒堡钢琴有限公司 | Piano hammer head automatic cutting machine and method of cutting hammer head |
| CN113146710A (en) * | 2021-04-26 | 2021-07-23 | 张双 | Device for manufacturing Chinese zither frame |
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