CN120533801B - Piano ejector rod assembly assembling device and assembling method - Google Patents
Piano ejector rod assembly assembling device and assembling methodInfo
- Publication number
- CN120533801B CN120533801B CN202511021427.4A CN202511021427A CN120533801B CN 120533801 B CN120533801 B CN 120533801B CN 202511021427 A CN202511021427 A CN 202511021427A CN 120533801 B CN120533801 B CN 120533801B
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- CN
- China
- Prior art keywords
- assembly
- ejector rod
- wedge
- fixedly arranged
- rod
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/0013—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles
- B27M3/0026—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected laterally
- B27M3/0053—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected laterally using glue
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
- B05C5/0212—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
- G10C9/00—Methods, tools or materials specially adapted for the manufacture or maintenance of musical instruments covered by this subclass
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Coating Apparatus (AREA)
Abstract
The invention relates to the technical field of piano assembly, and discloses an assembly device and an assembly method of a piano ejector rod assembly, wherein the assembly device comprises an assembly frame, a dispensing platform, a screw rod sliding table, a pneumatic clamp and guide rails, wherein the guide rails are fixedly arranged on two sides of the inner wall of the assembly frame; according to the invention, when the jacking cylinder drives the screw rod sliding table and the ejector rod assembly on the clamping jaw to approach the glue dispensing position of the groove at the top of the linkage rod, the lug at the end part of the screw rod sliding table can be abutted against the positioning wedge table, so that the first wedge table can be extruded by the inclined plane and then drives the supporting rod to slide rightwards along the guide groove, the second wedge table can respectively abut against the ends of the two groups of the supporting blocks through the position difference between the first inclined plane and the second inclined plane, and the supporting plate can respectively support and support the joint height of the ejector rod assembly and the linkage rod, so that the ejector rod assembly and the joint protruding position of the linkage rod are synchronously righted up and down, and the situation that the joint position is easy to slide and shift due to the fact that the stress point and glue slide and deviate during pressing is avoided.
Description
Technical Field
The invention relates to the technical field of piano assembly, in particular to an assembly device and an assembly method for a piano ejector rod assembly.
Background
The piano linkage rod is a foundation for assembling the linkage device, the spoon nail, the wood supporting rod, the climbing wire, the ejector rod shaft frame and the linkage device shaft frame are assembled on the linkage rod, the ejector rod and the ejector rod shaft frame are assembled together in advance to form an ejector rod assembly, when the ejector rod assembly is assembled, the linkage rod is fixed on a corresponding tool, then the ejector rod assembly is placed on the corresponding tool, an adhesive is coated at the tail end of the ejector rod shaft frame, and then the tail end coated with the adhesive is placed in a shaft frame groove of the linkage rod.
If the Chinese patent grant bulletin number is CN218193579U, the assembly device of the piano ejector rod assembly comprises a feeding mechanism, a positioning tool, a dispensing machine and a manipulator, wherein the feeding mechanism comprises a pushing block, a vibrating disc and a driver, one side of the pushing block is provided with a limiting notch corresponding to an output port of the vibrating disc, the limiting notch can accommodate a single ejector rod assembly, the driver drives the pushing block to reciprocate along a straight line, the single movement distance of the pushing block is greater than or equal to the groove width of the limiting notch, the movement direction of the pushing block is perpendicular to the discharging direction of the vibrating disc, the positioning tool is provided with a clamping position for clamping a linkage rod, the output port of the dispensing machine is correspondingly arranged with the clamping position, and the manipulator is used for grabbing the ejector rod assembly at the limiting notch to be moved above the clamping position and assembling the ejector rod assembly on the linkage rod of the clamping position;
the cited documents have the advantages of high automation degree, accurate positioning and high assembly precision.
When the piano ejector rod assembly is assembled after glue dispensing, the clamping jaw is used for downwards pressing and assembling the ejector rod assembly and the middle groove of the linkage rod after glue dispensing, when the clamping jaw is used for directly pressing the ejector rod assembly and the glue dispensing position in the groove, the pressing stress point and the glue generate sliding offset, so that sliding displacement is easy to occur at the joint position, the problem of stress deformation is even caused by sliding out of the joint position of the ejector rod assembly and the groove, and when the glue at the groove of the joined ejector rod assembly is not dried, the ejector rod assembly and the assembly position of the linkage rod are easy to fall off after moving out of the station position.
Disclosure of Invention
The invention aims to provide an assembly device and an assembly method for a piano ejector rod assembly, which can be used for righting the joint of the ejector rod assembly and a linkage rod, so that sliding displacement is avoided, and meanwhile, the adhesive can be blown to dry the adhesive completely and quickly.
In order to achieve the aim, the invention provides the following technical scheme that the assembly device and the assembly method of the piano ejector rod assembly comprise an assembly frame, a dispensing platform, a screw rod sliding table, a pneumatic clamp and further comprise:
The guide rails are fixedly arranged on two sides of the inner wall of the assembly frame, mounting plates are fixedly arranged at the positions, close to the bottoms, of the two groups of guide rails respectively, an end plate is fixedly arranged at one end, close to the dispensing platform, of each mounting plate, a centering plate is movably connected with the side surface of each end plate in a penetrating manner, one end, far away from the dispensing platform, of each centering plate is integrally formed with a supporting block, a supporting rod is movably connected with the middle part of each guide groove in a penetrating manner, and a first wedge table and a second wedge table are respectively fixedly arranged at two ends of each supporting rod;
the air tap is fixedly arranged at the top of the pneumatic clamp;
The telescopic air bag is fixedly arranged at the bottom of the guide rail on the same side, a piston is fixedly arranged at the position, close to the top, of the inner cavity of the telescopic air bag, a positioning wedge is fixedly arranged at the top end of the piston, and an air duct is fixedly arranged between the bottom of the telescopic air bag and the air tap.
Preferably, the two groups of guide rail tops are fixedly provided with joint plates, the middle part of the joint plates is fixedly provided with a jacking cylinder, protruding blocks at two ends of the screw rod sliding table slide in the corresponding guide rail, the telescopic ends of the jacking cylinder are fixedly connected with the screw rod sliding table top, and the bottom of a sliding block in the screw rod sliding table is provided with clamping jaws.
Preferably, sliding mounting has the slide on the electronic slip table in some glued platform top, slide top both sides are fixed mounting respectively has the cylinder, pneumatic clamp fixed mounting is on corresponding cylinder flexible end, pneumatic clamp slide in slide top both sides, the mounting panel keep away from guide rail one end fixed mounting in some glued platform top department.
Preferably, the top of the mounting plate is provided with guide grooves near two ends in a penetrating way, and the first wedge table and the second wedge table slide in the guide grooves respectively.
Preferably, the supporting rod movably penetrates through the space between the two groups of guide grooves, and a supporting spring is fixedly arranged between the first wedge table and the inner wall of the guide groove and between the second wedge table and the inner wall of the guide groove respectively.
Preferably, the connecting part of the centralizing plate and the end plate is fixedly provided with a reset spring, the top and the bottom of one end of the second wedge platform, which is close to the abutting block, are respectively provided with a first inclined plane and a second inclined plane, and the side surface of the first inclined plane is abutted against the end part of the abutting block above.
Preferably, the first inclined surface side surface corresponds to the abutting block above, and the second inclined surface side surface corresponds to the abutting block below.
Preferably, the two groups of positioning wedge platforms respectively slide in the corresponding guide rails, and the bottom of the positioning wedge platform is attached to the top of the first wedge platform.
Preferably, a linkage rod is clamped between the two groups of pneumatic clamps, a push rod assembly is clamped on the clamping jaw, the bottom end of the push rod assembly is inserted into a groove in the middle of the linkage rod, and the two groups of air nozzles respectively correspond to the groove at the joint of the linkage rod and the push rod assembly.
Preferably, S1, a linkage rod is placed in the middle of a sliding plate, is clamped and positioned pneumatically through a pneumatic clamp, and slides to a dispensing head through the top of a dispensing platform for dispensing;
S2, the sliding plate drives a linkage rod in the middle of the pneumatic clamp to move below the screw rod sliding table, and at the moment, the clamping jaw clamps the ejector rod assembly and then presses down through the jacking cylinder;
S3, the jacking cylinder drives the screw rod sliding table and the ejector rod assembly on the clamping jaw to be close to the glue dispensing position of the groove at the top of the linkage rod, the supporting plate supports and supports the joint height of the ejector rod assembly and the linkage rod respectively through synchronous matching, and the ejector rod assembly and the joint protruding position of the linkage rod are synchronously supported up and down, so that the clamping jaw presses the linkage rod to the glue dispensing position of the groove at the middle of the ejector rod assembly for bonding and fixing;
And S4, the telescopic end of the jacking cylinder drives the screw rod sliding table to move upwards, the righting plate resets through the reset spring, and the positioning wedge table resets to an initial state through the corresponding first wedge table and the telescopic airbag.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, when the jacking cylinder drives the screw rod sliding table and the ejector rod assembly on the clamping jaw to approach to the glue dispensing position of the groove at the top of the linkage rod, the lug at the end part of the screw rod sliding table can be abutted against the positioning wedge table, so that the first wedge table can be extruded by the inclined plane and then drives the supporting rod to slide rightwards along the guide groove, the second wedge table can respectively abut against the ends of the two groups of supporting blocks through the position difference between the first inclined plane and the second inclined plane, and thus the supporting plate can respectively support and support the joint height of the ejector rod assembly and the linkage rod, the vertical synchronous centering of the joint protruding position of the ejector rod assembly and the linkage rod is realized, and the sliding displacement of the joint position is easy to occur due to the fact that the stress point and glue are subjected to sliding offset during pressing is avoided;
When the positioning wedge table slides downwards along the guide rail, the end part of the piston can be pressed downwards, so that the telescopic air bag is compressed, and internal air is injected into the air tap through the air duct, so that when the piano ejector rod assembly and the linkage rod groove glue dispensing part are assembled in a jacking mode, the side face can be blown, glue at the glue position is dried faster, and the situation that when the glue at the joined ejector rod assembly groove is not dried thoroughly, the ejector rod assembly and the linkage rod assembly position move out of the station is avoided.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of a cross-sectional top view of a frame according to the present invention;
FIG. 3 is a schematic diagram of an assembly structure of a linkage rod and a push rod assembly according to the present invention;
FIG. 4 is a schematic diagram of a glue injector according to the present invention;
FIG. 5 is a schematic side sectional view of a splice plate according to the present invention;
FIG. 6 is a schematic view of a partial enlarged structure at A in FIG. 4;
Fig. 7 is a schematic view of a partial enlarged structure at B in fig. 5.
100 Parts of an assembling frame, 200 parts of a dispensing platform, 300 parts of a screw rod sliding table, 400 parts of an installing plate, 500 parts of a pneumatic clamp, 600 parts of an air tap, 700 parts of a telescopic air bag, 11 parts of a connecting plate, 12 parts of a jacking cylinder, 13 parts of a guide rail, 21 parts of a sliding plate, 31 parts of a clamping jaw, 40 parts of an end plate, 41 parts of a guide groove, 42 parts of a first wedge table, 43 parts of a collision spring, 44 parts of a collision rod, 45 parts of a second wedge table, 401 parts of a centralizing plate, 402 parts of a reset spring, 403 parts of a collision block, 451 parts of a first inclined surface, 452 parts of a second inclined surface, 51 parts of a linkage rod, 52 parts of a push rod assembly, 71 parts of a piston, 72 parts of a positioning wedge table, 73 parts of a gas guide tube.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown.
Example 1:
The embodiment describes an assembly device and an assembly method for a piano ejector rod assembly, as shown in fig. 1-7, including an assembly frame 100, a dispensing platform 200, a screw rod sliding table 300, a pneumatic clamp 500, and further including:
The guide rails 13 are fixedly arranged on two sides of the inner wall of the assembly frame 100, mounting plates 400 are fixedly arranged at the positions, close to the bottoms, of the two groups of guide rails 13 respectively, an end plate 40 is fixedly arranged at one end, close to the dispensing platform 200, of the mounting plates 400, a centering plate 401 is movably and penetratingly connected to the side surface of the end plate 40, a supporting block 403 is integrally formed at one end, far from the dispensing platform 200, of the centering plate 401, a supporting rod 44 is movably and penetratingly connected to the middle part of the guide groove 41, and a first wedge table 42 and a second wedge table 45 are respectively and fixedly arranged at two ends of the supporting rod 44;
Wherein, two sets of guide rail 13 top fixed mounting have the joint board 11, joint board 11 middle part fixed mounting has top pressure cylinder 12, and lead screw slip table 300 both ends lug slides inside corresponding guide rail 13, and top pressure cylinder 12 flexible end and lead screw slip table 300 top fixed connection, and clamping jaw 31 is installed to the inside slider bottom of lead screw slip table 300, through clamping jaw 31 with ejector pin subassembly 52 centre gripping back, pushes down through top pressure cylinder 12 for clamping jaw 31 pressfitting gangbar 51 in ejector pin subassembly 52 middle part recess point glue department and carries out the bonding fixedly.
Wherein, slidable mounting has slide 21 on the electronic slip table in point gum platform 200 top, slide 21 top both sides respectively fixed mounting have the cylinder, pneumatic clamp 500 fixed mounting is on corresponding cylinder flexible end, pneumatic clamp 500 slides in slide 21 top both sides, mounting panel 400 keeps away from guide rail 13 one end fixed mounting in point gum platform 200 top department, the gangbar 51 is through pneumatic clamp 500 pneumatic clamping in slide 21 middle part back, slide to the point gum head department through slide 21 at point gum platform 200 top and carry out the point and glue the back, move to lead screw slip table 300 below.
Wherein, the mounting plate 400 has run through respectively near both ends department and has offered guide slot 41, first wedge 42 and second wedge 45 slide respectively in two sets of guide slots 41 are inside, support the pole 44 activity and run through between two sets of guide slots 41, first wedge 42, second wedge 45 respectively with guide slot 41 inner wall between fixed mounting have conflict spring 43, when top pressure cylinder 12 drives lead screw slip table 300 and ejector pin subassembly 52 and gangbar 51 top recess point gum department draw close on clamping jaw 31, lead screw slip table 300 tip lug can be contradicted to location wedge 72 for first wedge 42 can receive the inclined plane extrusion back, drive support pole 44 and slide to the right along guide slot 41.
Wherein, the connection part of the centering plate 401 and the end plate 40 is fixedly provided with a return spring 402, the top and the bottom of one end of the second wedge 45, which is close to the supporting block 403, are respectively provided with a first inclined plane 451 and a second inclined plane 452, the side surface of the first inclined plane 451 is in contact with the end part of the upper supporting block 403, the side surface of the first inclined plane 451 corresponds to the upper supporting block 403, the side surface of the second inclined plane 452 corresponds to the lower supporting block 403, two groups of positioning wedge 72 slide in the corresponding guide rail 13 respectively, the bottom of the positioning wedge 72 is attached to the top of the first wedge 42, the second wedge 45 can respectively support the ends of the two groups of supporting blocks 403 through the position difference of the first inclined plane 451 and the second inclined plane 452, so that the centering plate 401 supports the connection height of the ejector rod assembly 52 and the linkage rod 51, and the up-down synchronous centering of the ejector rod assembly 52 and the connection convex position of the linkage rod 51 is realized, and the sliding offset of the stress point and glue is avoided during pressing.
In this embodiment, after the linkage rod 51 is pneumatically clamped in the middle of the sliding plate 21 by the pneumatic clamp 500, the linkage rod 51 slides to the dispensing head through the top of the dispensing platform 200 for dispensing through the sliding plate 21, and then moves to the lower part of the screw rod sliding table 300, after the ejector rod assembly 52 is clamped by the clamping jaw 31, the clamping jaw 31 presses down the linkage rod 51 to the dispensing position of the groove in the middle of the ejector rod assembly 52 for bonding and fixing, and the piano ejector rod assembly 52 and the linkage rod 51 are assembled into the prior art scheme by gluing, which is not repeated herein;
In this embodiment, when the jacking cylinder 12 drives the screw rod sliding table 300 and the ejector rod assembly 52 on the clamping jaw 31 to approach to the glue dispensing position of the top groove of the linkage rod 51, the protruding block at the end part of the screw rod sliding table 300 can abut against the positioning wedge table 72, so that after the first wedge table 42 is extruded by the inclined plane, the supporting rod 44 is driven to slide rightwards along the guide groove 41, and the second wedge table 45 can abut against the ends of the two groups of supporting blocks 403 respectively through the position difference between the first inclined plane 451 and the second inclined plane 452, so that the supporting plate 401 supports and supports the connection position of the ejector rod assembly 52 and the linkage rod 51 respectively, and the vertical synchronous supporting of the connection protruding position of the ejector rod assembly 52 and the linkage rod 51 is realized, so that the sliding displacement of the stress point and the glue is generated during pressing is avoided, and the connection position is easy to slide and shift;
example 2:
based on embodiment 1, this embodiment describes a piano ejector rod assembly assembling device and assembling method, as shown in fig. 5 and 7, comprising an air tap 600 fixedly installed at the top of a pneumatic clamp 500;
The telescopic airbag 700 is fixedly arranged at the bottom of the same-side guide rail 13, a piston 71 is fixedly arranged at the position, close to the top, of the inner cavity of the telescopic airbag 700, a positioning wedge 72 is fixedly arranged at the top end of the piston 71, and an air duct 73 is fixedly arranged between the bottom of the telescopic airbag 700 and the air tap 600.
Wherein, the clamping has the gangbar 51 between two sets of pneumatic jigs 500, clamp is equipped with ejector pin assembly 52 on the clamping jaw 31, ejector pin assembly 52 bottom is pegged graft in gangbar 51 middle part recess, two sets of air cock 600 respectively with gangbar 51 and ejector pin assembly 52 junction recess are corresponding, when location wedge 72 is along guide rail 13 downwardly sliding, can support the piston 71 tip downwards and press for flexible gasbag 700 compression, thereby with inside gas injection air cock 600 department through air duct 73, in this piano ejector pin assembly 52 with gangbar 51 recess point glue department roof pressure equipment simultaneously, can blow to the side, thereby make the glue at viscose position dry faster.
S1, a linkage rod 51 is placed in the middle of a sliding plate 21, is pneumatically clamped and positioned through a pneumatic clamp 500, and slides to a dispensing head through the sliding plate 21 at the top of a dispensing platform 200 for dispensing;
S2, the sliding plate 21 drives the linkage rod 51 in the middle of the pneumatic clamp 500 to move below the screw rod sliding table 300, and at the moment, the clamping jaw 31 clamps the ejector rod assembly 52 and then presses down through the jacking cylinder 12;
S3, the jacking cylinder 12 drives the screw rod sliding table 300 and the ejector rod assembly 52 on the clamping jaw 31 to approach to the glue dispensing position of the groove at the top of the linkage rod 51, the centering plate 401 supports and supports the joint height of the ejector rod assembly 52 and the linkage rod 51 respectively through synchronous matching, and the ejector rod assembly 52 and the joint protruding position of the linkage rod 51 are synchronously centered up and down, so that the clamping jaw 31 presses the linkage rod 51 to the glue dispensing position of the groove at the middle of the ejector rod assembly 52 for bonding fixation;
S4, the telescopic end of the jacking cylinder 12 drives the screw rod sliding table 300 to move upwards, the centering plate 401 is reset through the reset spring 402, and the positioning wedge table 72 is reset to an initial state through the corresponding first wedge table 42 and the telescopic airbag 700.
In this embodiment, when the positioning wedge 72 slides down along the guide rail 13, the end of the piston 71 can be pressed downwards, so that the telescopic airbag 700 is compressed, and thus internal gas is injected into the air tap 600 through the air duct 73, so that when the piano ejector rod assembly 52 and the linkage rod 51 are assembled by pressing the glue dispensing position, the side surface can be blown, the glue at the glue position is dried faster, and the situation that the glue at the groove of the ejector rod assembly after connection is not dried completely is avoided, and the assembly position of the ejector rod assembly 52 and the linkage rod 51 is moved out of the station and falls off easily.
The working principle is that when the piano ejector rod assembly 52 is assembled, the linkage rod 51 is firstly placed in the middle of the sliding plate 21, and is pneumatically clamped and positioned through the pneumatic clamp 500, and the sliding plate 21 slides to the dispensing head through the top of the dispensing platform 200 for dispensing;
Then the jacking cylinder 12 is used for pushing down, at this moment, the jacking cylinder 12 drives the screw rod sliding table 300 and the ejector rod assembly 52 on the clamping jaw 31 to approach to the glue dispensing position of the top groove of the linkage rod 51, the lug at the end part of the screw rod sliding table 300 can abut against the positioning wedge table 72, so that after the first wedge table 42 is extruded by the inclined plane, the abutting rod 44 is driven to slide rightwards along the guide groove 41, the second wedge table 45 can abut against the ends of the two groups of abutting blocks 403 respectively through the position difference between the first inclined plane 451 and the second inclined plane 452, and thus the righting plate 401 abuts against the high and low positions of the ejector rod assembly 52 and the linkage rod 51 respectively, the up-down synchronous righting of the joint convex position of the ejector rod assembly 52 and the linkage rod 51 is realized, and the clamping jaw 31 presses the linkage rod 51 to the glue dispensing position of the middle groove of the ejector rod assembly 52 for bonding and fixing;
Meanwhile, when the positioning wedge table 72 slides downwards along the guide rail 13, the end part of the piston 71 can be pressed downwards, so that the telescopic airbag 700 is compressed, and internal gas is injected into the air tap 600 through the gas guide pipe 73, so that when the piano ejector rod assembly 52 and the groove glue dispensing part of the linkage rod 51 are assembled in a jacking mode, the side face can be blown, and glue at the glue position can be dried faster;
Finally, the telescopic end of the jacking cylinder 12 drives the screw rod sliding table 300 to move upwards, the centering plate 401 is reset through the reset spring 402, the first wedge 42 and the second wedge 45 at the two ends of the supporting rod 44 are reset through deformation generated initially by the supporting spring 43, and the positioning wedge 72 is reset to an initial state through the corresponding first wedge 42 and the telescopic airbag 700.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes and modifications may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a piano ejector pin subassembly assembly quality, includes equipment frame (100), point gum platform (200), lead screw slip table (300), pneumatic clamp (500), its characterized in that still includes:
The guide rails (13) are fixedly arranged on two sides of the inner wall of the assembly frame (100), mounting plates (400) are fixedly arranged at the positions, close to the bottoms, of the two groups of guide rails (13), an end plate (40) is fixedly arranged at one end, close to the dispensing platform (200), of the mounting plates (400), a centralizing plate (401) is movably connected with the side face of the end plate (40) in a penetrating manner, a propping block (403) is integrally formed at one end, far away from the dispensing platform (200), of the centralizing plate (401), guide grooves (41) are respectively formed in the positions, close to the two ends, of the tops of the mounting plates (400) in a penetrating manner, propping rods (44) are movably connected with the middle parts of the guide grooves (41) in a penetrating manner, and a first wedge table (42) and a second wedge table (45) are respectively fixedly arranged at the two ends of the propping rods (44);
the air tap (600) is fixedly arranged at the top of the pneumatic clamp (500);
the telescopic air bag (700) is fixedly arranged at the bottom of the guide rail (13) on the same side, a piston (71) is fixedly arranged at the position, close to the top, of the inner cavity of the telescopic air bag (700), a positioning wedge (72) is fixedly arranged at the top end of the piston (71), and an air duct (73) is fixedly arranged between the bottom of the telescopic air bag (700) and the air nozzle (600);
Two sets of guide rail (13) top fixed mounting has joint board (11), joint board (11) middle part fixed mounting has top air cylinder (12), lead screw slip table (300) both ends lug slide in corresponding inside guide rail (13), top air cylinder (12) flexible end with lead screw slip table (300) top fixed connection, clamping jaw (31) are installed to lead screw slip table (300) inside slider bottom, first wedge (42) with second wedge (45) slide respectively in two sets of guide way (41) are inside, right board (401) with end plate (40) junction fixed mounting has reset spring (402), second wedge (45) are close to butt piece (403) one end top and are equipped with first inclined plane (451) respectively with bottom, first inclined plane (451) side with top butt piece (403) tip is inconsistent, first inclined plane (451) side and top butt piece (403) are corresponding, second side (403) side and butt piece (403) are corresponding.
2. The assembly device for the piano ejector rod assembly of claim 1, wherein a sliding plate (21) is slidably mounted on an electric sliding table at the top of the dispensing platform (200), air cylinders are fixedly mounted on two sides of the top of the sliding plate (21), the pneumatic clamp (500) is fixedly mounted on telescopic ends of the corresponding air cylinders, the pneumatic clamp (500) slides on two sides of the top of the sliding plate (21), and one end, far away from the guide rail (13), of the mounting plate (400) is fixedly mounted on the top of the dispensing platform (200).
3. The assembly device for the piano ejector rod assembly according to claim 2, wherein the supporting rod (44) movably penetrates through the space between the two groups of guide grooves (41), and the supporting springs (43) are fixedly arranged between the first wedge table (42) and the second wedge table (45) and the inner walls of the guide grooves (41) respectively.
4. The assembly device for the piano jack assembly according to claim 3, wherein two sets of said positioning wedges (72) are respectively slid into the corresponding guide rails (13), and the bottoms of said positioning wedges (72) are attached to the top of said first wedge (42).
5. The piano ejector rod assembly assembling device according to claim 4, wherein a linkage rod (51) is clamped between two groups of pneumatic clamps (500), an ejector rod assembly (52) is clamped on the clamping jaw (31), the bottom end of the ejector rod assembly (52) is inserted into a groove in the middle of the linkage rod (51), and two groups of air nozzles (600) respectively correspond to grooves at the joint of the linkage rod (51) and the ejector rod assembly (52).
6. A method of assembling a piano jack assembly mounting device according to claim 5, wherein:
S1, a linkage rod (51) is placed in the middle of a sliding plate (21), is clamped and positioned pneumatically through a pneumatic clamp (500), and slides to a dispensing head through the sliding plate (21) at the top of a dispensing platform (200) to perform dispensing;
s2, a sliding plate (21) drives a linkage rod (51) in the middle of the pneumatic clamp (500) to move below the screw rod sliding table (300), and at the moment, the clamping jaw (31) clamps the ejector rod assembly (52) and then presses down through the jacking cylinder (12);
S3, a jacking cylinder (12) drives a screw rod sliding table (300) and ejector rod assemblies (52) on clamping jaws (31) to be close to glue dispensing positions of grooves in the tops of linkage rods (51), a righting plate (401) supports and supports the joint height positions of the ejector rod assemblies (52) and the linkage rods (51) respectively through synchronous matching, and the joint protruding positions of the ejector rod assemblies (52) and the linkage rods (51) are synchronously righted up and down, so that the clamping jaws (31) press the linkage rods (51) to glue dispensing positions of grooves in the middle of the ejector rod assemblies (52) to be bonded and fixed;
S4, the telescopic end of the jacking cylinder (12) drives the screw rod sliding table (300) to move upwards, the righting plate (401) is reset through the reset spring (402), and the positioning wedge table (72) is reset to an initial state through the corresponding first wedge table (42) and the telescopic airbag (700) in a telescopic mode.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115424600A (en) * | 2022-08-30 | 2022-12-02 | 广州珠江恺撒堡钢琴有限公司 | Assembling equipment for piano linkage |
| CN116787113A (en) * | 2023-07-04 | 2023-09-22 | 湖南超航电机有限公司 | Quick assembly equipment of series excited machine accessory |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009300678A (en) * | 2008-06-12 | 2009-12-24 | Kawai Musical Instr Mfg Co Ltd | Supporting structure of hammer shank of piano and method of manufacturing hammer shank |
| CN111922930B (en) * | 2020-06-29 | 2021-10-15 | 吉林信诚路用装备集团有限公司 | Firm dysmorphism machine parts centre gripping equipment |
| CN118321897B (en) * | 2024-03-27 | 2024-08-20 | 重庆福瑞斯自动化设备股份有限公司 | Air conditioning box assembly process |
| CN118926033A (en) * | 2024-08-22 | 2024-11-12 | 广州肝幡建设工程有限公司 | A glue coating machine for metal door and window processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115424600A (en) * | 2022-08-30 | 2022-12-02 | 广州珠江恺撒堡钢琴有限公司 | Assembling equipment for piano linkage |
| CN116787113A (en) * | 2023-07-04 | 2023-09-22 | 湖南超航电机有限公司 | Quick assembly equipment of series excited machine accessory |
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