CN114161121B - Auxiliary assembly platform and product assembly equipment - Google Patents
Auxiliary assembly platform and product assembly equipment Download PDFInfo
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- CN114161121B CN114161121B CN202111430365.4A CN202111430365A CN114161121B CN 114161121 B CN114161121 B CN 114161121B CN 202111430365 A CN202111430365 A CN 202111430365A CN 114161121 B CN114161121 B CN 114161121B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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Abstract
The invention discloses an auxiliary assembly platform and product assembly equipment, wherein the auxiliary assembly platform comprises a fixed seat, a tool bearing table and an XY-direction floating self-resetting mechanism; the tool bearing platform moves in an XY plane by means of an XY-direction floating self-resetting mechanism under the action of external force, and resets after the external force is eliminated; and a tool pressing mechanism for pressing/loosening the first product tool is arranged on the tool bearing table. The product assembling equipment comprises a first conveying device, a second conveying device, a pressing assembling mechanism arranged at an assembling station, an upper floating platform and a lower floating platform which are arranged on the second conveying device and used for bearing a second product tool, and an auxiliary assembling platform which is arranged on the first conveying device and used for bearing a first product tool; and the pressing and assembling mechanism is used for pressing the second product tool down to realize the assembly of the product. The invention can automatically compensate the position according to the existing assembly position deviation when in press-down assembly, thereby avoiding the damage of the product, improving the assembly precision and ensuring the product yield.
Description
Technical Field
The invention belongs to the technical field of product assembly, and particularly relates to an auxiliary assembly platform and product assembly equipment.
Background
At present, in the automatic assembly process of electronic products, especially the assembly of non-metal parts, it is often necessary to press one part into another part rigidly, and then assemble the two parts together by using barbs. Some very little electronic products if the mounted position has the deviation when carrying out this type of equipment, if carry out easy dislocation and then bump the barb of part bad when pressing the assembly hard to the defective products appear.
In view of this, it is desirable to design an auxiliary assembly platform and a product assembly apparatus, which can automatically perform position compensation according to the assembly position deviation during assembly to avoid damage to the product.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and the technical problem to be solved is to provide an auxiliary assembly platform and product assembly equipment, which can automatically perform position compensation according to assembly position deviation during assembly, avoid the damage of products due to dislocation, improve the assembly precision and ensure the product yield.
In order to solve the technical problems in the prior art, the embodiment of the invention provides an auxiliary assembly platform, which comprises a fixed seat, a tool bearing table and an XY-direction floating self-resetting mechanism arranged between the fixed seat and the tool bearing table;
under the action of external force, the tool bearing table can move in an XY plane relative to the fixed seat by virtue of the XY-direction floating self-resetting mechanism and automatically reset after the external force is eliminated;
and the tool bearing table is provided with a tool pressing mechanism for pressing or loosening the first product tool.
Further, the XY-direction floating self-resetting mechanism comprises a first mounting seat fixed on the fixed seat, a second mounting seat installed on the first mounting seat in an X-direction sliding manner, an X-direction elastic resetting structure arranged on the first mounting seat and a Y-direction elastic resetting structure arranged on the second mounting seat; the tool bearing table is installed on the second installation seat in a sliding mode along the Y direction.
Furthermore, the X-direction elastic resetting structure comprises two first elastic resetting units which are spaced along the X direction and are oppositely arranged; the Y-direction elastic resetting structure comprises two second elastic resetting units which are spaced along the Y direction and are oppositely arranged;
first elasticity reset unit with second elasticity reset unit all includes base, slidable mounting is in guide shaft and cover on the base are established the epaxial elastic component of guide, be provided with limit structure on the guide shaft, the one end of elastic component with base butt, the other end with limit structure butt.
Furthermore, two first openings are arranged on the second mounting seat at intervals along the X direction, and the first elastic reset unit extends into the first openings; in the first elastic reset unit, one end of the guide shaft close to the limiting structure is abutted against the inner wall of the first opening, and a preset gap is formed between one end of the guide shaft far away from the limiting structure and the inner wall of the first opening;
the tooling bearing table is provided with two second openings which are arranged at intervals along the Y direction, the second elastic reset unit extends into the second openings, and in the second elastic reset unit, the guide shaft is close to one end of the limiting structure and the opposite end of the inner wall of the second opening are abutted and far away from the one end of the limiting structure and the opposite end of the inner wall of the second opening are provided with preset gaps.
Further, X-direction crossed roller guide rails are arranged between the first mounting seat and the second mounting seat, and Y-direction crossed roller guide rails are arranged between the second mounting seat and the tool bearing table.
Further, the tool pressing mechanism comprises a pressing structure rotatably mounted on the tool bearing table, a driving mechanism for driving the pressing structure to rotate so as to press or loosen the first product tool, and an elastic resetting structure arranged between the driving mechanism and the tool bearing table;
the elastic reset structure is used for providing elastic reset force, and under the action of the elastic reset force, the driving mechanism acts and drives the compressing structure to compress the first product tool.
Further, the driving mechanism comprises a gear arranged on the compression structure and a driving block slidably mounted on the tool bearing table, and a rack part meshed with the gear is arranged on the driving block;
the elastic reset structure comprises a guide piece arranged on the tool bearing table and a first spring arranged on the guide piece in a sleeved mode, the driving block is connected with the guide piece in a sliding mode, one end of the first spring is abutted to the driving block, and the other end of the first spring is abutted to the tool bearing table.
Further, a tool opening and closing control mechanism for controlling the opening and closing of the first product tool to clamp/loosen the first product is further arranged on the tool bearing table;
the tool opening and closing control mechanism comprises a mounting plate, a horizontal driving piece arranged on the mounting plate and a pressing plate arranged on a power part of the horizontal driving piece; and under the driving of the horizontal driving piece, the opening and closing button on the first product tool is pressed by the pressing plate.
The embodiment of the invention also provides product assembling equipment, which comprises a first conveying device for conveying the first product tool to an assembling station, a second conveying device for conveying the second product tool to the assembling station, a pressing assembling mechanism arranged on the assembling station, an upper floating platform and a lower floating platform arranged on the second conveying device and the auxiliary assembling platform; the auxiliary assembly platform is arranged on the first conveying device, the first product tool is placed on the auxiliary assembly platform, and the second product tool is placed on the upper floating platform and the lower floating platform;
the conveying direction of the first conveying device and the conveying direction of the second conveying device are perpendicular to each other in an XY plane; and the pressing and assembling mechanism is used for pressing the second product tool down to realize the assembly of the second product on the second product tool and the first product on the first product tool.
Further, the upper floating platform and the lower floating platform comprise base plates, bearing plates, supporting columns and second springs sleeved on the supporting columns; one end of the second spring is abutted with the base plate, the other end of the second spring is abutted with the bearing plate,
one end of the supporting column is arranged on the base plate, and the other end of the supporting column is vertically connected with the bearing plate in a sliding manner; or one end of the supporting column is arranged on the bearing plate, and the other end of the supporting column is vertically connected with the base plate in a sliding mode. Further, the product assembling equipment further comprises a machine vision guide mechanism arranged at the upstream of the assembling station, a first conveying device used for conveying the first product tool to the first conveying device and a second conveying device used for conveying the second product tool to the second conveying device;
the machine vision guide mechanism is used for acquiring the first product tool and the image information of the first product on the first product tool.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the auxiliary assembly platform comprises a fixed seat, a tool bearing table and an XY-direction floating self-resetting mechanism arranged between the fixed seat and the tool bearing table; under the action of external force, the tool bearing table can move in an XY plane relative to the fixed seat by virtue of the XY-direction floating self-resetting mechanism and automatically reset after the external force is eliminated; and the tool bearing table is provided with a tool pressing mechanism for pressing or loosening the first product tool. The product assembling equipment comprises a first conveying device, a second conveying device, a pressing assembling mechanism arranged at an assembling station, an upper floating platform and a lower floating platform which are arranged on the second conveying device, and an auxiliary assembling platform which is arranged on the first conveying device; the first product tooling is placed on the auxiliary assembly platform, and the second product tooling is placed on the upper and lower floating platforms. When a product is assembled, a first conveying device conveys a first product tool on an auxiliary assembly platform to an assembly station, a second conveying device conveys a second product tool on an upper floating platform and a lower floating platform to the assembly station, one end of the first product tool, which clamps a first product, extends into the second product tool, and then a pressing assembly mechanism presses down the second product tool to realize the assembly of the first product and the second product; after the assembly is completed, the first product tool loosens the first product, the pressing assembly mechanism resets, the second product tool carries the assembled product to automatically bounce and reset, then the assembled product is conveyed to the next station, and the first product tool is conveyed to the designated position.
In conclusion, the invention can automatically perform position compensation according to the assembly position deviation during assembly, thereby avoiding the damage of products, improving the assembly precision and ensuring the product yield.
Drawings
FIG. 1 is a schematic structural view of an assembly aid platform according to the present invention;
FIG. 2 is an exploded view of the structure of FIG. 1;
FIG. 3 is a schematic view of the mounting structure of the tool holder and XY-direction floating self-resetting mechanism of FIG. 1;
FIG. 4 is a first directional cross-sectional view of FIG. 3;
FIG. 5 is a second directional cross-sectional view of FIG. 3;
FIG. 6 is a schematic diagram of the construction of the clamping mechanism of the tool of FIG. 1;
FIG. 7 is a schematic structural view of the product assembling apparatus of the present invention;
FIG. 8 is a front view of FIG. 7;
FIG. 9 is an enlarged view of the structure of FIG. 7 at A;
FIG. 10 is an enlarged view of the structure of FIG. 7 at B;
FIG. 11 is a schematic structural view of the press-fit assembly mechanism of FIG. 7;
in the figure: 1-auxiliary assembly platform, 11-fixing seat, 12-tool bearing platform, 121-second opening, 122-sliding groove, 123-end plate, 13-XY direction floating self-resetting mechanism, 131-first mounting seat, 132-second mounting seat, 1321-first opening, 133-first elastic resetting unit, 134-second elastic resetting unit, 135-base, 136-guide shaft, 137-elastic piece, 138-limiting structure, 14-tool pressing mechanism, 141-pressing structure, 1411-rotating shaft, 1412-pressing block, 142-driving mechanism, 1421-gear, 1422-driving block, 1423-rack part, 143-elastic resetting structure, 1431-guide piece, 1432-first spring, 15-X direction cross roller guide rail, 16-Y-direction crossed roller guide rails, 17-tool opening and closing control mechanism, 171-mounting plate, 172-horizontal driving piece, 173-pressing plate, 2-first product tool, 21-opening and closing button, 3-frame, 4-first conveying device, 41-top column, 5-second conveying device, 51-upper and lower floating platform, 511-base plate, 512-bearing plate, 513-supporting column, 514-second spring, 6-pressing assembly mechanism, 61-bracket, 62-vertical driving piece, 63-pressure head, 7-second product tool, 8-machine vision guide mechanism, 9-first conveying device, 91-conveying electric cylinder, 92-vertical driving piece, 93-clamping part and a-preset gap.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment is as follows:
as shown in fig. 1 to 6, the present embodiment discloses an auxiliary assembly platform 1, which includes a fixing base 11, a tool bearing table 12, and an XY-direction floating self-resetting mechanism 13 disposed between the fixing base 11 and the tool bearing table 12; under the action of external force (under assembly pressure), the tool bearing table 12 can move in an XY plane (compensate assembly position deviation) relative to the fixed seat 11 by virtue of the XY-direction floating self-resetting mechanism 13 and automatically reset after the external force is eliminated; the tool bearing table 12 is provided with a tool pressing mechanism 14 for pressing or loosening the first product tool 2. The tool bearing table 12 which bears and compresses the first product tool 2 during the pressing-down assembly can automatically move in the XY plane according to the existing assembly position deviation for position compensation, and the smooth assembly among products is ensured.
In this embodiment, the XY-direction floating self-resetting mechanism 13 includes a first mounting seat 131 fixed on the fixing seat 11, a second mounting seat 132 slidably mounted on the first mounting seat 131 along the X-direction, an X-direction elastic resetting structure disposed on the first mounting seat 131, and a Y-direction elastic resetting structure disposed on the second mounting seat 132; the tool holder 12 is slidably mounted on the second mounting base 132 in the Y direction. The X-direction elastic resetting structure comprises two first elastic resetting units 133 which are spaced along the X direction and are oppositely arranged; the Y-direction elastic reset structure includes two second elastic reset units 134 spaced along the Y-direction and disposed oppositely.
The first elastic resetting unit 133 and the second elastic resetting unit 134 have the same structure and only have different directions; each including a base 135, a guide shaft 136 slidably mounted on the base 135, and an elastic member 137 (preferably, a cylindrical spring) sleeved on the guide shaft 136, the guide shaft 136 being provided with a limit structure 138 (including a nut and a spring retainer ring), one end of the elastic member 137 being abutted against the base 135, and the other end being abutted against the limit structure 138.
In order to realize self-resetting after movement in the XY directions in cooperation with the first elastic resetting unit 133 and the second elastic resetting unit 134: the second mounting base 132 in this embodiment is provided with two first openings 1321 arranged at intervals along the X direction, and the first elastic resetting unit 133 extends into the first openings 1321; in the first elastic resetting unit 133, one end of the guide shaft 136 close to the limiting structure 138 abuts against the inner wall of the opposite first opening 1321, and a predetermined gap a is formed between one end of the guide shaft 136 far from the limiting structure 138 and the inner wall of the opposite first opening 1321. In this embodiment, the tooling bearing table 12 is provided with two second openings 121 arranged at intervals along the Y direction, the second elastic resetting unit 134 extends into the second openings 121, and in the second elastic resetting unit 134, one end of the guide shaft 136 close to the limiting structure 138 abuts against the inner wall of the second opening 121, and a preset gap a is provided between one end of the guide shaft 136 far away from the limiting structure 138 and the inner wall of the second opening 121. The automatic reset after the movement in the + X and-X directions can be realized by the mutual matching between the two first elastic reset units 133 which are arranged along the X direction and are oppositely arranged and the corresponding first openings 1321; the two second elastic reset units 134 which are arranged along the Y direction and are oppositely arranged are matched with the second opening 121, so that the automatic reset after the movement along the + Y direction and the-Y direction can be realized.
In order to ensure the stability of the movement of the second mounting seat 132 relative to the first mounting seat 131 in the X direction and the stability of the movement of the tool holder 12 relative to the second mounting seat 132 in the Y direction. In this embodiment, the X-direction cross roller guide 15 is provided between the first mounting seat 131 and the second mounting seat 132, and the Y-direction cross roller guide 16 is provided between the second mounting seat 132 and the tool support 12; the X-direction crossed roller guide rail 15 and the Y-direction crossed roller guide rail 16 respectively comprise two guide rails with V-shaped raceways, roller retainers and cylindrical rollers, and the cylindrical rollers which are arranged in a mutually crossed manner reciprocate on the precisely ground V-shaped raceway surface, so that the loads in all directions can be borne, and high-precision and stable linear motion is realized.
In this embodiment, the preferred structure of the tooling pressing mechanism 14 includes a pressing structure 141 rotatably mounted on the tooling bearing table 12, a driving mechanism 142 for driving the pressing structure 141 to rotate so as to press or loosen the first product tooling 2, and an elastic resetting structure 143 disposed between the driving mechanism 142 and the tooling bearing table 12; the elastic reset structure 143 is configured to provide an elastic reset force, and under the elastic reset force, the driving mechanism 142 acts and drives the pressing structure 141 to press the first product tooling 2 (that is, under a normal state of the elastic reset structure 143, the pressing structure 141 presses the first product tooling 2).
The pressing structure 141 includes a rotating shaft 1411 rotatably mounted on the tooling bearing table 12, and a pressing block 1412 fixed to the rotating shaft 1411 and located above the tooling bearing table 12. The driving mechanism 142 comprises a gear 1421 arranged on the rotating shaft 1411 and positioned below the tooling bearing platform 12 and a driving block 1422 slidably mounted on the tooling bearing platform 12, wherein a rack portion 1423 meshed with the gear 1421 is arranged on the driving block 1422; in order to facilitate the sliding installation of the driving block 1422, in this embodiment, the bottom of the tooling bearing table 12 is provided with a sliding groove 122 extending along the X direction and an end plate 123 for blocking the end of the sliding groove 122, and the driving block 1422 is designed into a T-shaped structure adapted to the sliding groove 122. The elastic reset structure 143 includes a guide member 1431 disposed in the sliding slot 122 and having one end fixed to the end plate 123, and a first spring 1432 sleeved on the guide member 1431, the driving block 1422 is slidably connected to the other end of the guide member 1431 along the X direction, one end of the first spring 1432 abuts against the driving block 1422, and the other end abuts against the end plate 123. When the driving block 1422 is moved by an external force in a direction of compressing the first spring 1432, the gear 1421 drives the pressing structure 141 to rotate reversely to loosen the tooling bearing table 12; after the external force is eliminated, under the elastic force of the first spring 1432, the driving block 1422 is reset, and the gear 1421 drives the pressing structure 141 to rotate forward to press the tooling bearing table 12.
In this embodiment, the tool bearing table 12 is further provided with a tool opening/closing control mechanism 17 for controlling the opening/closing of the first product tool 2 to clamp/loosen the first product; the tool opening and closing control mechanism 17 includes an installation plate 171, a horizontal driving member 172 (preferably, an air cylinder or an electric cylinder) provided on the installation plate 171, and a pressing plate 173 provided on a power portion of the horizontal driving member 172; after the assembly is completed, the pressing plate 173 is driven by the horizontal driving member 172 to press the opening and closing button 21 of the first product tooling 2, so that the first product tooling 2 releases the first product.
Example two:
the embodiment discloses a product assembling device, which is collectively shown in fig. 7 to 11, and the product assembling device includes a first conveying device 4 (preferably an electric cylinder) for conveying a first product tool 2 to an assembling station, a second conveying device 5 (preferably an electric cylinder) for conveying a second product tool 7 to the assembling station, a pressing assembling mechanism 6 arranged at the assembling station, an upper and lower floating platform 51 arranged on the second conveying device 5, and the auxiliary assembling platform 1 disclosed in the first embodiment; the auxiliary assembly platform 1 is arranged on the first conveying device 4, the first product tooling 2 is placed on the auxiliary assembly platform 1, and the second product tooling 7 is placed on the upper and lower floating platforms 51; the conveying direction (X direction) of the first conveying device 4 and the conveying direction (Y direction) of the second conveying device 5 are perpendicular to each other in the XY plane; the press-fit assembly mechanism 6 is used for pressing down the second product tooling 7 (providing assembly pressure required by product assembly) to realize the assembly of the second product on the second product tooling 7 and the first product on the first product tooling 2.
The top column 41 extending along the X direction is fixedly disposed at the feeding and discharging station of the first conveying device 4, and is used for forcing the driving block 1422 in the driving mechanism 142 (see fig. 6) to move towards the downstream assembling station, and the gear 1421 drives the pressing structure 141 to rotate in the opposite direction, so as to facilitate taking and placing of the first product tooling 2 (at this time, the first spring 1432 in the elastic resetting structure 143 is compressed to generate an elastic resetting force). When the first conveying device 4 drives the auxiliary assembly platform 1 to move towards the assembly station direction, under the action of the elastic reset force of the first spring 1432, the driving block 1422 moves towards the feeding station direction, and the gear 1421 drives the pressing structure 141 to rotate in the forward direction to press the first product tooling 2, so that the first product tooling 2 is prevented from moving in the conveying process to cause larger assembly position deviation, and a foundation is laid for improving the precision of subsequent assembly.
In this embodiment, the upper and lower floating platforms 51 are used for carrying the second product tooling 7 to move downward to assemble the product when receiving the assembling pressure; the spring-loaded substrate comprises a substrate 511, a loading plate 512, a supporting column 513 with one end arranged on the substrate 511, and a second spring 514 sleeved on the supporting column 513; the other end of the supporting column 513 is vertically connected with the bearing plate 512 in a sliding manner, one end of the second spring 514 abuts against the base plate 511, and the other end abuts against the bearing plate 512; in some embodiments, one end of the supporting column 513 is disposed on the carrier plate 512, and the other end is connected to the base plate 511 in a sliding manner. The press-fit assembling mechanism 6 includes a bracket 61, a vertical driving member 62 (preferably an air cylinder) disposed on the bracket 61, and a pressing head 63 mounted on the vertical driving member 62. When the assembly is pressed downwards, the pressure head 63 applies downward pressure to the second product tooling 7, the bearing plate 512 moves towards the direction of the base plate 511, the second product is pressed downwards into the first product to realize the assembly, and at the moment, the second spring 514 is compressed; when the pressing head 63 is driven by the vertical driving member 62 to return upward, the bearing plate 512 can drive the second product tooling 7 (carrying the assembled product) to return elastically under the action of the second spring 514.
The product assembling equipment in this embodiment further includes a machine vision guide mechanism 8 disposed upstream of the assembling station and on the side of the first conveying device 4, a first handling device 9 for handling the first product tooling 2 onto the first conveying device 4, and a second handling device (not shown in the figure) for handling the second product tooling 7 onto the second conveying device 5. The first conveying device 9 includes an electric conveying cylinder 91 along the X direction, a vertical driving member 92 disposed on the electric conveying cylinder 91, and a clamping member 93 disposed on the vertical driving member 92. The machine vision guiding mechanism 8 is used for acquiring image information of the first product tooling 2 and a first product on the first product tooling 2, and the control unit judges whether the first product exists on the first product tooling 2 and whether the deflection size of the first product on the first product tooling 2 is within a set range or not on the basis of the image information; when a first product exists and the deflection size of the first product on the first product tooling 2 is within a set range, the control unit sends out a continuous conveying instruction, the first conveying device 4 continuously conveys the first product tooling 2 to the assembly station, and otherwise, the control unit gives an alarm and sends out a conveying stopping instruction.
The product assembly project is briefly explained based on the above structure as follows:
the first carrying device 9 carries the first product tooling 2 to the auxiliary assembly platform 1 at the loading and unloading station (at this time, the tooling pressing mechanism 14 does not press the first product tooling 2), and the second carrying device carries the second product tooling 7 to the upper and lower floating platform 51.
The first conveying device 4 conveys the first product tooling 2 on the auxiliary assembly platform 1 to an assembly station (in the conveying process, the tooling pressing mechanism 14 presses the first product tooling 2 to prevent the first product tooling 2 from moving, when the first product tooling is conveyed to the position below the machine vision guide mechanism 8, the image information of a first product can be obtained, the control unit sends a continuous conveying or conveying stopping instruction to the first conveying device 4 based on the image information), the second conveying device 5 conveys the second product tooling 7 on the upper and lower floating platforms 51 to the assembly station, one end of the first product tooling 2 clamping the first product extends into the second product tooling 7, and then the pressing assembly mechanism 6 presses the second product tooling 7 downwards to realize the assembly of the first product and the second product; the tool bearing table 12 which bears and compresses the first product tool 2 during the pressing-down assembly can automatically move in the XY plane according to the existing assembly position deviation for position compensation, and the first product and the second product can be smoothly assembled.
After the assembly is finished, the tool opening and closing control mechanism 17 acts to control the first product tool 2 to loosen the first product; the pressing and assembling mechanism 6 is reset downwards (the assembling pressure is eliminated, the upper and lower floating platforms 51 and the second product tooling 7 carrying the assembled product automatically bounce and reset under the elastic force of the second spring 514 and then are conveyed to the next station, and the first product tooling 2 is also conveyed to the designated position, so that an assembling cycle is completed.
In conclusion, the invention can automatically perform position compensation according to the assembly position deviation during assembly, thereby avoiding the damage of products, improving the assembly precision and ensuring the product yield.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. An auxiliary assembly platform is characterized by comprising a fixed seat, a tool bearing table and an XY-direction floating self-resetting mechanism arranged between the fixed seat and the tool bearing table; under the action of external force, the tool bearing table can move in an XY plane relative to the fixed seat by virtue of the XY-direction floating self-resetting mechanism and automatically reset after the external force is eliminated; the tool bearing table is provided with a tool pressing mechanism for pressing or loosening the first product tool;
the XY-direction floating self-resetting mechanism comprises a first mounting seat fixed on the fixed seat, a second mounting seat installed on the first mounting seat in a sliding mode along the X direction, an X-direction elastic resetting structure arranged on the first mounting seat and a Y-direction elastic resetting structure arranged on the second mounting seat; the tool bearing table is slidably mounted on the second mounting seat along the Y direction; the X-direction elastic resetting structure comprises two first elastic resetting units which are spaced along the X direction and are oppositely arranged; the Y-direction elastic resetting structure comprises two second elastic resetting units which are spaced along the Y direction and are oppositely arranged; the first elastic reset unit and the second elastic reset unit respectively comprise a base, a guide shaft which is slidably mounted on the base and an elastic piece which is sleeved on the guide shaft, the guide shaft is provided with a limit structure, one end of the elastic piece is abutted against the base, and the other end of the elastic piece is abutted against the limit structure;
the second mounting seat is provided with two first openings which are arranged at intervals along the X direction, and the first elastic resetting unit extends into the first openings; in the first elastic reset unit, one end of the guide shaft close to the limiting structure is abutted against the inner wall of the first opening, and a preset gap is formed between one end of the guide shaft far away from the limiting structure and the inner wall of the first opening; two second openings are arranged on the tool bearing table at intervals along the Y direction, the second elastic reset unit extends into the second openings, in the second elastic reset unit, one end, close to the limiting structure, of the guide shaft is abutted to the inner wall of the second opening, and a preset gap is formed between one end, far away from the limiting structure, of the guide shaft and the inner wall of the second opening;
the tool pressing mechanism comprises a pressing structure rotatably mounted on the tool bearing table, a driving mechanism for driving the pressing structure to rotate so as to press or loosen the first product tool, and an elastic resetting structure arranged between the driving mechanism and the tool bearing table; the elastic reset structure is used for providing elastic reset force, and under the action of the elastic reset force, the driving mechanism acts and drives the compressing structure to compress the first product tool.
2. The auxiliary assembly platform of claim 1, wherein an X-direction cross roller guide is disposed between the first mounting seat and the second mounting seat, and a Y-direction cross roller guide is disposed between the second mounting seat and the tooling plummer.
3. The auxiliary assembly platform of claim 1, wherein the driving mechanism comprises a gear arranged on the compression structure and a driving block slidably mounted on the tool bearing platform, and a rack portion engaged with the gear is arranged on the driving block;
the elastic reset structure comprises a guide piece arranged on the tool bearing table and a first spring arranged on the guide piece in a sleeved mode, the driving block is connected with the guide piece in a sliding mode, one end of the first spring is abutted to the driving block, and the other end of the first spring is abutted to the tool bearing table.
4. The auxiliary assembly platform of claim 1, wherein the tooling bearing table is further provided with a tooling opening and closing control mechanism for controlling the opening and closing of the tooling of the first product to clamp/unclamp the first product;
the tool opening and closing control mechanism comprises a mounting plate, a horizontal driving piece arranged on the mounting plate and a pressing plate arranged on a power part of the horizontal driving piece; and under the driving of the horizontal driving piece, the opening and closing button on the first product tool is pressed by the pressing plate.
5. A product assembling device is characterized by comprising a first conveying device for conveying a first product tool to an assembling station, a second conveying device for conveying a second product tool to the assembling station, a pressing assembling mechanism arranged on the assembling station, an upper floating platform and a lower floating platform arranged on the second conveying device, and the auxiliary assembling platform of any one of claims 1 to 4; the auxiliary assembly platform is arranged on the first conveying device, the first product tool is placed on the auxiliary assembly platform, and the second product tool is placed on the upper floating platform and the lower floating platform;
the conveying direction of the first conveying device and the conveying direction of the second conveying device are perpendicular to each other in an XY plane; and the pressing and assembling mechanism is used for pressing the second product tool down to assemble the second product on the second product tool with the first product on the first product tool.
6. The product assembling apparatus according to claim 5, wherein said upper and lower floating platforms comprise a base plate, a loading plate, a supporting column and a second spring fitted over said supporting column; one end of the second spring is abutted with the base plate, the other end of the second spring is abutted with the bearing plate,
one end of the supporting column is arranged on the base plate, and the other end of the supporting column is vertically connected with the bearing plate in a sliding manner; or one end of the supporting column is arranged on the bearing plate, and the other end of the supporting column is connected with the base plate in a sliding mode.
7. The product assembly facility of claim 5, further comprising a machine vision guide mechanism disposed upstream of the assembly station, a first handling device for handling the first product tooling onto the first conveyor device and a second handling device for handling the second product tooling onto the second conveyor device;
the machine vision guide mechanism is used for acquiring the first product tool and the image information of the first product on the first product tool.
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