CN114226176B - Automatic gluing assembly device for workpieces - Google Patents
Automatic gluing assembly device for workpieces Download PDFInfo
- Publication number
- CN114226176B CN114226176B CN202111474113.1A CN202111474113A CN114226176B CN 114226176 B CN114226176 B CN 114226176B CN 202111474113 A CN202111474113 A CN 202111474113A CN 114226176 B CN114226176 B CN 114226176B
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- gluing
- power supply
- cylinder
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- 238000004026 adhesive bonding Methods 0.000 title claims abstract description 113
- 239000003292 glue Substances 0.000 claims abstract description 165
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 238000003892 spreading Methods 0.000 claims description 33
- 238000003860 storage Methods 0.000 claims description 30
- 230000007480 spreading Effects 0.000 claims description 27
- 238000007790 scraping Methods 0.000 claims description 19
- 238000003825 pressing Methods 0.000 claims description 6
- 238000010073 coating (rubber) Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
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- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241001232346 Gymnosperma glutinosum Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
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- 238000007711 solidification Methods 0.000 description 1
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- 238000013519 translation Methods 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
Images
Classifications
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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
- B05C7/00—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work
- B05C7/02—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work the liquid or other fluent material being projected
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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
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
-
- 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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- 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
Abstract
The invention discloses an automatic gluing assembly device for a workpiece, which comprises a chassis; the top of the chassis is provided with a cam divider; a round rotary disc is arranged on an output shaft at the top of the cam divider; four motors which are distributed in the radial direction are arranged at equal intervals along the circumferential direction at the top of the turntable; the output shaft arranged on the outer side of each motor is respectively provided with a first workpiece distributed along the radial direction of the turntable; each first workpiece is provided with an inner hole needing inner wall gluing; a gluing mechanism is arranged on the right left side of the turntable; a press-fit mechanism is arranged right behind the turntable; the gluing mechanism is used for gluing the inner hole wall of the first workpiece; and the press-fitting mechanism is used for press-fitting the second workpiece into the inner hole of the first workpiece after the gluing operation is completed. The automatic gluing assembly device for the workpiece can efficiently and reliably glue the inner hole wall of the workpiece, obviously improve the gluing efficiency of the inner hole of the workpiece and ensure the gluing quality.
Description
Technical Field
The invention relates to the technical field of gluing and assembling of workpieces, in particular to an automatic gluing and assembling device for workpieces.
Background
Glue solution bonding is one of the main methods of the work piece assembly process of clearance fit or transition fit, and needs to paint glue solution on the work piece matching surface, and generally needs to paint uniformly without glue overflow.
The traditional gap or transition assembly process of the workpiece generally needs manual gluing, and has the problems of low working efficiency, poor consistency of gluing quality, difficult control of gluing quantity and the like.
Although the existing dispensing machine is widely applied to product surface gluing and dispensing operations in the industries of automobiles, lamps, electronics and the like, no effective technical solution exists at present for uniform gluing of inner hole walls of workpieces.
Disclosure of Invention
The invention aims at solving the technical defects existing in the prior art and provides an automatic gluing and assembling device for workpieces.
Therefore, the invention provides an automatic gluing assembly device for workpieces, which comprises a horizontally distributed chassis;
the top of the chassis is provided with a cam divider;
a round rotary disc is arranged on an output shaft at the top of the cam divider;
the cam divider is used for supporting the turntable, providing power for the rotation of the turntable and enabling the rotation angle of the turntable to be equal to the degree each time;
four motors which are distributed in the radial direction are arranged at equal intervals along the circumferential direction at the top of the turntable;
the output shaft arranged on the outer side of each motor is respectively provided with a first workpiece distributed along the radial direction of the turntable;
the center of the outer side of each first workpiece is provided with an inner hole for inner wall gluing;
a gluing mechanism is arranged on the right left side of the turntable;
a press-fit mechanism is arranged right behind the turntable;
the gluing mechanism is used for gluing the inner hole wall of the first workpiece when the first workpiece is positioned on the right side of the first workpiece;
and the press-fitting mechanism is used for press-fitting the second workpiece into the inner hole of the first workpiece with the glue-spreading operation completed when the glue-spreading mechanism completes the glue-spreading operation of the inner hole wall of the inner hole and the turntable continuously rotates the first workpiece to the right front side of the first workpiece.
Compared with the prior art, the automatic gluing assembly device for the workpiece has the advantages that the structural design is scientific, the inner hole wall of the workpiece can be glued efficiently and reliably, glue smearing uniformity is guaranteed, the glue smearing amount and the glue spreading position meet the requirements, the glue spreading efficiency of the inner hole of the workpiece is remarkably improved, the glue spreading quality is guaranteed, and great practical significance is achieved.
In addition, the automatic gluing assembly device for the workpieces can conveniently and reliably assemble the workpieces with other workpieces after the inner hole gluing operation, so that the assembly is ensured to be in place, and the aims of improving the assembly efficiency and reducing the labor intensity are fulfilled.
Drawings
Fig. 1a is a schematic perspective view of an automatic gluing and assembling device for a workpiece according to the present invention;
fig. 1b is a schematic perspective view of an automatic gluing and assembling device for a workpiece according to the present invention;
fig. 2 is a schematic diagram of a working state of a feeding mechanism in the automatic gluing and assembling device for workpieces provided by the invention;
fig. 3 is a schematic perspective exploded view of a feeding mechanism in the automatic gluing assembly device for workpieces according to the present invention;
fig. 4a is a schematic diagram illustrating a working state of a press-fit mechanism in the automatic gluing and assembling device for workpieces according to the present invention;
fig. 4b is a schematic perspective view of a storage bin for feeding a second workpiece in the automatic gluing and assembling device for workpieces according to the present invention;
fig. 4c is a schematic view of a three-dimensional connection structure of a press-fitting cylinder and a press head for performing press-fitting operation on a second workpiece in the automatic gluing and assembling device for workpieces provided by the invention;
fig. 5 is a schematic structural diagram of a gluing mechanism in the automatic gluing assembly device for workpieces provided by the invention;
fig. 6 is a schematic perspective view of a three-foot positioning seat for positioning a first workpiece in the automatic gluing and assembling device for workpieces provided by the invention;
fig. 7 is a schematic perspective view of a first workpiece to be glued, according to the automatic gluing assembly device for workpieces provided by the invention;
fig. 8 is a schematic perspective view of a second workpiece, a pressing head, and a first workpiece, which are assembled in an inner hole of the first workpiece, according to the automatic gluing assembly device for workpieces provided by the invention;
fig. 9 is a schematic overall perspective view of an automatic gluing assembly device for workpieces, wherein the automatic gluing assembly device is provided with a first workpiece and a second workpiece after assembly;
in the figure: 1-a storage bin; 201—a first sensor; 202-a second sensor; 3-a pressure head; 4, press mounting an air cylinder; 5-an air cylinder bracket;
6, a chassis; 71—a first sensor mount; 72-a second sensor holder;
8-a feeding mechanism; 9-a feeder support; 10-cam divider;
11—a first workpiece; 110-an inner bore; 12-a positioning seat bracket; 13-a tripod positioning seat; 14-a turntable; 15-dispensing cylinder;
16-gluing a bracket; 17-a base; 18-an upright post; 19-a steering block; 20-supporting beams;
21-a fixed block; 22-a gluing cylinder; 23-a motor;
81-a lower power supply; 82-upper power supply; 83-a feed plate;
811-a lower feed block; 812-insulating sheath; 813-a spring; 814—a feed base;
24-ejector rod; 25-a discharge hole;
151-a glue scraping plate; 152-a glue outlet nozzle; 153-dispensing head; 161-fixing sleeve; 162-spring clips;
100-a second workpiece; 101-a storage bin bracket; 150-glue solution output pipe.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1a to 9, the present invention provides an automatic glue coating assembly device for workpieces, which can complete glue coating of an inner hole of a first workpiece 11 and press-mounting operation (i.e., assembly operation) of the first workpiece 11 and a second workpiece 100 by mutual cooperation of respective constituent mechanisms.
The invention provides an automatic gluing and assembling device for a workpiece, which specifically comprises the following components: a horizontally distributed chassis 6;
the top of the chassis 6 is provided with a cam divider 10;
a circular rotary disk 14 is arranged on an output shaft at the top of the cam divider 10;
a cam divider 10 for supporting the turntable 14, powering the rotation of the turntable 14 and making the rotation angle of the turntable 14 90 degrees each time;
the cam divider 10 is used to drive the turntable 14 to rotate, and the rotation angle of each rotation is 90 degrees.
Four motors 23 distributed in the radial direction are arranged at equal intervals along the circumferential direction at the top of the turntable 14;
the output shaft outside each motor 23 is provided with a first workpiece 11 distributed along the radial direction of the turntable 14;
the outer center position of each first workpiece 11 is provided with an inner hole for inner wall gluing;
a gluing mechanism is arranged on the right left side of the turntable 14;
a press-fitting mechanism is arranged right behind the turntable 14;
the gluing mechanism is used for gluing the wall of the inner hole 110 of the first workpiece 11 when the first workpiece 11 is positioned on the right side of the first workpiece;
the press-fitting mechanism is used for press-fitting the second workpiece 100 into the inner hole 110 of the first workpiece 11 after the gluing operation is completed when the gluing mechanism completes the gluing operation of the inner hole wall of the first workpiece 11 and the turntable 14 continues to rotate the first workpiece 11 to the right front side of the first workpiece, namely, the press-fitting operation of the second workpiece 100 on the inner hole 110 of the first workpiece 11 is realized.
It should be noted that, for the present invention, four stations (i.e., four positions where the first workpiece is placed) are included, and operations such as feeding, gluing, assembling (i.e., press-fitting), and blanking are performed, respectively, and the horizontal transfer between the stations is performed by the turntable 14, and the rotation power and the area positioning are provided by the cam divider 10. The design can enable four operation units to be synchronously carried out, and improves the working efficiency.
In the present invention, the four motors 23 are symmetrically distributed in a cross shape.
In the present invention, in order to connect the output shaft of the motor 23 to the first workpiece 11, the specific structure is as follows:
a tripod positioning seat 13 is respectively arranged on an output shaft arranged on the outer side of each motor 23;
each tripod positioning seat 13 is provided with a first workpiece 11.
It should be noted that, for the invention, the positioning seat of the first workpiece 11 is designed in a profiling way, and is designed into a tripodal cylindrical tripodal positioning seat 13 according to the structural characteristics of the workpiece, so that the first workpiece and the tripodal positioning seat 13 are completely attached, and the taper and chamfer design of the tripodal positioning seat 13 ensures that the first workpiece is more convenient to take and place.
Referring to fig. 6, the tripod positioning seat 13 includes a cylindrical positioning seat body 131, three positioning feet 132 are provided on the outer side surface of the positioning seat body 131 at equal intervals, the three positioning feet 132 are respectively provided corresponding to three through holes provided on the outer side wall of the first workpiece 11, and when the first workpiece 11 is sleeved on the tripod positioning seat 13, the three positioning feet 132 are correspondingly inserted into the three through holes provided on the outer side wall of the first workpiece 11.
In the invention, the gluing mechanism comprises a dispenser (not shown) and a dispensing cylinder 15;
the glue solution outlet of the glue dispenser is communicated with the glue solution inlet of the glue dispensing cylinder 15 through a hollow connecting pipe;
the glue dispensing machine is used for conveying glue solution to the glue dispensing cylinder 15;
referring to fig. 5, a glue dispensing head 153 is sleeved on a glue output pipe 150 (i.e., a tubule shown in fig. 5) on the right side of the glue dispensing barrel 15 and is communicated with a glue inlet on the left side of the glue dispensing head 153;
the glue outlet on the right side of the dispensing head 153 is communicated with the glue inlet on the left side of a glue outlet nozzle 152;
the glue nozzle 152 is in the shape of a downward curved arc;
the right side opening of the glue outlet 152 is a glue outlet;
a fixed sleeve 161 is arranged on the glue solution output pipe at the right side of the glue dispensing cylinder 15;
a spring clip 162 is mounted on the fixed sleeve 161;
the spring clip 162 holds a resilient, linear doctor blade 151.
It should be noted that, for the present invention, the maximum vertical distance between the linear doctor blade 151 and the arc-shaped nozzle 152 is equal to or slightly smaller than the diameter (i.e., the diameter) of the inner hole 110 on the first workpiece 11.
In particular, the central axis of the dispensing head 153 is parallel to the scraping plate 151.
In particular, the spring clip 162 includes two spring plates;
a preset gap is reserved between the two spring pieces;
the gap is used for inserting one end of the scraping plate 151.
It should be noted that, for the present invention, the glue spreading mechanism includes a glue dispensing machine (not shown) and a glue outlet nozzle 152 for spreading glue on the wall of the inner hole 110, the glue dispensing machine can precisely control the glue outlet amount and the glue outlet time, the arc glue outlet nozzle 152 can more simply find the glue spreading position, the elastic glue scraping plate 151 is used for uniformly spreading glue discharged from the glue outlet nozzle 152, so as to ensure that the glue spreading area is sufficient, the spring clip 162 is fixed at the thin end (i.e. the right end) of the glue dispensing barrel 15 through the fixing sleeve 161, and the fixation and quick detachment of the glue scraping plate 151 can be realized.
The concrete implementation is that the dispensing cylinder 15 is arranged on a gluing bracket 16;
the left end of the gluing bracket 16 is connected with the output end (i.e. the piston rod) on the right side of a gluing cylinder 22;
the glue spreading cylinder 22 is used for pushing the glue spreading bracket 16 and the glue dispensing barrel 15 on the glue spreading bracket 16 to move towards the direction of the first workpiece 11, so that the glue outlet 152 and the glue scraping plate 151 on the right side of the glue dispensing barrel 15 extend into the inner hole 110 of the first workpiece 11, and the glue outlet 152 is in contact with the inner hole wall of the first workpiece 11.
The right end of the glue spreading bracket 16 has a through hole through which the left end of the glue dispensing head 153 passes.
In particular, in order to install and support the glue spreading cylinder 22, the invention further comprises a glue spreading cylinder supporting mechanism;
the rubber coating cylinder supporting mechanism specifically includes: two bases 17 distributed in front and back;
each base 17 is provided with a vertical column 18;
the top of each upright post 18 is respectively spliced with the right end of a steering block 19 which is transversely distributed (the right end of the steering block 19 is provided with a vertically distributed mounting hole);
the left end of each steering block 19 is provided with a through hole which is longitudinally penetrated;
two through holes are respectively spliced with one end of a longitudinally distributed supporting beam 20;
the outer wall of the supporting beam 20 is sleeved with a fixed block 21;
the top of the fixed block 21 is provided with the glue spreading cylinder 22.
It should be noted that, for the present invention, the dispensing cylinder 15 is fixed on the glue coating bracket 16, and the glue coating mechanism can adjust the position in the three-dimensional space according to the requirement by the upright post 18, the supporting beam 20, the turning block 19, the fixing block 21, the glue coating bracket 16 and other components, so that the glue outlet 152 is aligned with the inner hole 110 of the first workpiece, and the glue coating accuracy of the inner hole inner wall of the first workpiece is ensured.
The specific implementation is that the point gum machine is current point gum equipment, for example can be the full-automatic point gum machine of the power Ma Xinghao DLM-983A of three-speed science and technology Co., ltd, is used for the transportation of rubber coating glue solution and the control of glue volume.
In particular, the glue spreading cylinder 22 is an existing cylinder, for example, a pneumatic dual-shaft dual-rod sliding table cylinder with the model STMB16 x 100 manufactured by shenzhen sea source pneumatic technology limited company (RUHFUS), and is used for forward and backward translation of the glue dispensing cylinder 15.
In particular, the cam divider 10 is an existing cam divider, for example, a pneumatic divider manufactured by Jieli Automation technology Co., ltd. And having a model number LNL-140-4 is used as a support for the turntable 14 to power the rotation of the turntable 14 and to make the rotation angle of the turntable 14 90 degrees each time.
In the invention, the press-fitting mechanism comprises a vertically distributed hollow storage bin 1;
the top of the storage bin 1 is provided with a feed inlet 26 for placing a second workpiece 100;
a plurality of cylindrical second workpieces 100 which are required to be pressed are placed in the inner cavity of the storage bin 1;
the second workpieces 100 are sequentially stacked up and down (lying down) and distributed in the inner cavity of the storage bin 1 along the radial direction of the turntable 14;
the stacked layers of the second workpieces 100 in the inner cavity of the storage bin 1 have only one second workpiece in each layer; the cross-sectional area of the inner cavity of the storage bin 1 is correspondingly matched with the top-view shape area of a second workpiece.
The lower end of the storage bin 1 is provided with a discharge hole 25;
the discharge hole 25 is of a front-back through structure;
the top of the middle section of the discharge hole 25 is open and is communicated with the inner cavity of the storage bin 1;
the rear end of the discharge hole 25 is inserted with the front end of a pressure head 3;
the rear end of the pressure head 3 is connected with a push rod 24 at the front side of a press-fitting cylinder 4;
the press-fitting cylinder 4 is installed at the upper portion of one cylinder bracket 5.
In particular, the storage bin 1 is arranged at the top of a storage bin bracket 101.
In particular, the storage bin 1 is rectangular.
In the present invention, the second workpiece 100 is cylindrical and is to be fitted into the inner hole 110 at the outer center of the first workpiece. The storage bin 1 of the second workpiece 100 is designed into a cuboid shape, the discharge port 25 is arranged below the storage bin 1 through gravity discharge, and plays a role of guiding in the second workpiece assembly process. The press head 3 for press fitting is connected with the ejector rod 24 of the press fitting cylinder 24, and the second workpiece 100 is press-fitted into the inner hole 110 at the outer center position of the first workpiece 11 through guiding of the discharge port 25 under the action of the press fitting cylinder 24.
In the invention, in particular implementation, the top of the chassis 6 is provided with a first sensor bracket 71 and a second sensor bracket 72 at the positions of the left and right sides of the turntable 14;
the top of the first sensor bracket 71 and the second sensor bracket 72 are respectively provided with a first sensor 201 and a second sensor 202;
the first sensor 201 is positioned right of the dispensing cylinder 15 and right above the left end of the rotary table 14;
a first sensor 201 for detecting whether the first workpiece 11 is present directly thereunder (i.e., the first workpiece is close to the sensing area of the first sensor 201 because the first workpiece 11 is present due to clockwise rotation of the turntable 14); at this time, it is explained that the first work 11 appears right to the dispensing cylinder 15;
the first sensor 201 is further configured to send a trigger start signal to the glue cylinder 22 when the first workpiece is detected to be present directly below the first sensor, trigger the glue cylinder 22 to start working for a preset period of time, and send a trigger stop control signal to the cam divider 10;
correspondingly, the glue spreading cylinder 22 is configured to push the glue spreading bracket 16 and the glue dispensing cylinder 15 on the glue spreading bracket 16 to move towards the direction of the first workpiece 11 after receiving the trigger start signal sent by the first sensor 201, so that the glue outlet 152 and the glue scraping plate 151 on the right side of the glue dispensing cylinder 15 extend into the inner hole 110 of the first workpiece 11, the glue outlet 152 contacts with the inner hole wall of the first workpiece 11, and after a preset period of time, the glue dispensing bracket 16 and the glue dispensing cylinder 15 on the glue spreading bracket 16 are driven to move towards the direction away from the first workpiece 11 (i.e. move leftwards), so that the glue outlet 152 and the glue scraping plate 151 on the right side of the glue dispensing cylinder 15 exit from the inner hole 110 of the first workpiece 11;
correspondingly, the cam divider 10 is configured to suspend operation for a preset period after receiving the trigger stop control signal sent from the first sensor 201, and continue to drive the turntable 14 to rotate clockwise for 90 degrees after the preset period is reached, so that the first workpiece 11 rotates to a position directly in front of the indenter 3 and a position directly below the second sensor 202;
the second sensor bracket 72 is positioned right in front of the storage bin 1 and right above the rear end of the turntable 14;
the second sensor 202 is positioned right in front of the pressure head 3 and right above the rear end of the turntable 14;
the second sensor 202 is configured to detect whether the first workpiece 11 (the first workpiece is a first workpiece subjected to the gumming operation by the gumming mechanism) is present directly thereunder, and at this time, the first workpiece approaches the sensing area of the second sensor 22, because the first workpiece 11 is present due to the clockwise rotation of the turntable 14. At this time, it is explained that the first workpiece 11 is present right in front of the indenter 3;
the second sensor 202 is further configured to send a trigger working signal to the press-fit cylinder 4 when detecting that the first workpiece appears right below the second sensor, and trigger the press-fit cylinder 4 to start working;
correspondingly, the press-fitting cylinder 4 is used for pushing the pressing head 3 to press-fit the second workpiece 100 in the discharge hole of the storage bin 1 into the inner hole 110 of the first workpiece 11 after receiving the trigger working signal sent by the second sensor 202.
In particular, the first sensor 201 and the second sensor 202 may be existing proximity switch sensors, or other types of distance sensors.
It should be noted that, at the gluing station and the press-fitting station of the first workpiece, sensors are installed for identifying whether the first workpiece moves in place, so that the whole assembly process is automatic and continuous.
In specific implementation, the first sensor 201 and the second sensor 202 are existing proximity switch sensors, for example, an NPN three-wire flat head proximity switch manufactured by ohmmeter (china) limited, and the model number is E2E-X2E 1M 12. The first sensor 201 is used for providing a starting signal for the working of the dispenser after the first workpiece 11 reaches the gluing station; the second sensor 202 is used to provide a start signal for the press-fit cylinder operation after the first workpiece 11 has been moved to the assembly station.
In the present invention, in particular, the device of the present invention further comprises a feeding mechanism 8;
a feeding mechanism 8 including four feeding plates 83;
the bottom surface of the turntable 14 is provided with a feed plate 83 at a position just below each motor 23;
a group of upper power feeding bodies 82 are arranged at the bottom of each power feeding plate 83, each group of upper power feeding bodies 82 comprises two upper power feeding blocks 820 which are arranged at intervals, and the upper ends of the two upper power feeding blocks 820 are respectively and electrically connected with two power supply terminals (specifically a positive electrode terminal and a negative electrode terminal) of the motor 23 right above (the wires can pass through a wire or other metal conductors, and the wire passes through a through hole reserved on the turntable 14);
a group of lower power feeders 81 are arranged below the turntable 14;
a lower power supply 81 positioned right of the glue spreading mechanism;
the lower power supply body 81 is used for being in conductive contact with the upper power supply body 82 on one power supply plate 83 when the upper power supply body 82 on one power supply plate 83 is positioned right of the gluing mechanism along with the rotation of the turntable 14, so that the motor 23 connected with the upper power supply body 82 is driven to work;
when one first workpiece 11 is located right of the dispensing cylinder 15 (dispensing operation is required at this time) by rotating the turntable 14, the two lower feed blocks 811 on the lower feed body 81 can be respectively in conductive contact with the two upper feed blocks 820 in the upper feed body 82 on the one feed plate 83;
a lower power supply body 81 provided on top of one power supply bracket 9;
a feeder bracket 9 provided on the top of the chassis 6;
the lower power supply 81 is electrically connected to two output terminals (positive electrode terminal and negative electrode terminal) of a power supply, respectively.
The power supply is a dc power supply, and is configured to form a series circuit with one motor 23 correspondingly connected to the upper power supply 82 via the lower power supply 81 (specifically, the lower power supply block 811 therein) and the upper power supply 82 (specifically, the upper power supply block 820 therein), so as to provide operating power for the motor 23.
The upper and lower power supply bodies 81 and 82 are symmetrically distributed up and down;
the contacts at opposite ends of the lower power supply 81 (specifically, the lower power supply block 811 therein) and the upper power supply 82 (specifically, the upper power supply block 820 therein) are each in the shape of an isosceles trapezoid.
In particular, referring to fig. 3, the lower power supply 81 includes a power supply base 814, a lower power supply block 811, an insulating sheath 812, and a spring 813;
the upper part of the feeding base 814 has two spring receiving holes;
each spring receiving bore has a spring 813 and an insulating sheath 812 disposed therein;
insulating sheath 812 is a hollow cylindrical structure with upper and lower openings;
the lower end of the insulating sheath 812 is clamped with the upper opening of the spring accommodating hole;
a lower feed block 811 is inserted into each insulating sheath 812;
the lower end of the lower feed block 811 is inserted into the spring 813;
the lower ends of the two lower feed blocks 811 are respectively connected with two output ends (an anode end and a cathode end) of a power supply in a conductive manner;
the upper ends of the two lower feeding blocks 811 are adapted to be in conductive contact with the two upper feeding blocks 820 of the set of upper feeding bodies 82 when the upper feeding body 82 on one feeding plate 83 is positioned right of the glue mechanism.
In the present invention, the lower ends of the two lower power feeding blocks 811 are respectively provided with a threaded hole (for example, an M4 threaded hole), and two dc power lines (that is, a positive power line and a negative power line of an operating dc power supply) pass through two small holes at the bottom of the power feeding bracket 9 and are connected to the threaded holes at the lower ends of the two lower power feeding blocks 811 by screws. The upper end of the upper power supply 82 is also provided with two screw holes, two wires are fixed by nuts, respectively, and are connected to two power supply terminals of the motor 23 by the two wires.
In the present invention, the lower feeds 81 are in a group, located to the right of the glue station. The upper power supply 82 includes four groups, to which four motors 23 are connected, respectively. When rotated into place, the lower feed block 811 contacts the upper power supply 82, the lower feed block 811 moves down the compression spring 813, and the circuit is completed. After each rotation, the power supply circuit is connected with the power supply unit (namely, the lower power supply unit 81 and the upper power supply unit 82 on the right side of the gluing station) and the motor 23, and the working power is supplied by the direct current working power supply.
In particular, the direct current working power supply converts 220V alternating current into 12V direct current by using a power converter. The converter is installed outside the device, and the two terminals of the dc power supply are connected to the two lower feed blocks 811, respectively.
The lower power feeding block 811 and the upper power feeding block 82 in the lower power feeding block 81 are conductors.
In the present invention, the designed power feeding mechanism 8 is divided into an upper part and a lower part, the power feeding body contact is designed into an isosceles trapezoid, when the turntable 14 rotates, the upper power feeding body 82 is in contact with the top inclined surface of the lower power feeding body 811 in the lower power feeding body 811, the contact surface makes the lower power feeding body 811 in the lower power feeding body 811 move downward, the lower power feeding body 811 compresses the spring 813 in the power feeding base 814 of the lower power feeding body 81, the spring 813 deforms and then applies a reverse pressure to the lower power feeding body 811, the upper part and the lower part of the power feeding mechanism 8 (specifically, the lower power feeding body 811 in the lower power feeding body 81 and the upper power feeding body 820 in the upper power feeding body 82) are fully contacted, so that the power feeding circuit of the motor 23 is connected, and the power feeding of the motor 23 serving as a direct current rotating motor is ensured in the gluing process by the gluing mechanism, and the first workpiece 11 is driven to rotate by the motor 23.
It should be noted that, for the present invention, it is suitable to perform automatic gluing and automatic press-fitting (i.e., assembly) operations on a work piece mating surface (e.g., the inner bore 110) that is either a transition fit or a clearance fit.
For the present invention, the device comprises two functional parts, automatic gluing and automatic assembly. The glue coating part comprises a tripod positioning seat, a rotating device (comprising a cam divider and a rotary table), a glue dispenser and a glue scraping plate, glue coating points are positioned through the angle positions of the tripod positioning seat and the glue dispensing head, and glue solution is uniformly coated on the wall of the inner hole 110 of the first workpiece under the action of the rotation of the first workpiece needing glue coating and the action of the glue scraping plate. The assembly part comprises a press-fit air cylinder, a storage bin, a pressure head and the like, the storage bin automatically discharges materials, and the press-fit air cylinder drives the pressure head to realize accurate press-fit. The device provided by the invention realizes automatic gluing and automatic press-fitting operation of the workpiece assembly surface, improves the assembly efficiency and reduces the labor intensity.
In order to more clearly understand the technical scheme of the present invention, the operation process of one embodiment of the present invention is described below.
With the apparatus of the present invention, the gluing of the inner hole 110 of the first work 11 and the press-fitting operation (i.e., the assembling operation) of the first work 11 and the second work 100 can be accomplished by the mutual cooperation of the constituent mechanisms. The specific operation steps are as follows:
step 2, a first workpiece 11 is placed on a tripodia positioning seat 13 positioned at the front end of a rotary table 14 (namely, the tripodia positioning seat 13 of a feeding station), and the device is started, and the first workpiece 11 is driven by the cam divider 10 and the rotary table 14 to rotate clockwise into the next station.
And step 5, after the preset working time is reached, the glue dispenser controls the glue dispensing cylinder 15 to stop dispensing, the motor 23 stops rotating, the glue dispensing cylinder 22 controls the glue dispensing nozzle 152 and the glue scraping plate 151 to exit the inner hole 110 of the first workpiece 11, the cam divider 10 continues to be started, the rotary table 14 is rotated clockwise for 90 degrees, and the first workpiece 11 is rotated to the next station (namely, the press-mounting station and the station right in front of the pressing head 3).
The shape and size of the second workpiece 100 are matched with those of the inner hole 110 of the first workpiece 11.
And 7, after the press-fitting operation of the second workpiece 100 in the inner hole 110 of the first workpiece 11 is finished, the press-fitting cylinder 4 returns the ejector rod 24 and the pressing head 3 to the original position, and the turntable 14 transfers the whole first workpiece 11 pressed by the second workpiece 100 to a blanking station (namely, a station opposite to the gluing station), so that the blanking can be manually finished by a worker.
And (3) repeating the steps 1 to 7, so as to finish the inner hole gluing operation of the first workpieces and the press-fitting operation of the glued first workpiece 11 and the glued second workpiece 100.
The invention can further utilize a programmable controller PLC, and correspondingly perform software development control by utilizing a PLC control technology, so as to realize full-automatic control of the gluing and press mounting processes. The PLC can be used for controlling the device assembly process, and a touch screen can be used for adjusting programs and parameters.
Compared with the prior art, the automatic gluing and assembling device for the workpiece has the following beneficial effects:
1. the invention adopts a four-station design, can synchronously carry out four operation units, and improves the working efficiency. The cam divider and the turntable are combined, so that accurate positioning of each station can be realized at low cost.
2. For the first workpiece needing inner hole gluing, the three-foot positioning seat of the first workpiece adopts a profiling design, and according to the structural characteristics of the workpiece, the design of the cylindrical three-foot positioning seat can meet the positioning requirement of the first workpiece through production, and the taking and placing are convenient and quick.
3. The feeding mechanism provided by the invention realizes the power supply of the direct current motor in the gluing process under the condition that stations continuously rotate, and provides a basis for automatic gluing and even gluing. Through continuous experiments, the rotating speed of the direct current motor is adjusted, and the effect of uniform gluing is achieved.
4. Through the design of arc point gum head, frictioning board, can realize the requirement of the appointed regional 0.1mm thickness rubber coating of first work piece inner wall.
5. The storage bin design of second work piece can realize automatic row material, the feed of second work piece, and when pressure equipment, the pressure head is accurate with the location of second work piece, pressure equipment position is put in place.
6. The design of the invention realizes automatic gluing and automatic press fitting, the whole gluing and assembly processes are smooth and continuous, and the actions of each unit are executed accurately. The device has moderate glue coating amount, no glue solution overflows, the glue solution is firmly bonded after solidification, and two workpieces are pressed in place, so that the consistency of the assembly quality of the workpieces is improved, the reworking rate of the workpiece assembly is obviously reduced, the reworking rate is reduced by 30% through inspection, the labor intensity of workers is also reduced, the assembly efficiency is obviously improved (at least 45% can be improved through inspection), and the device has better popularization.
In summary, compared with the prior art, the automatic gluing assembly device for the workpiece provided by the invention has the advantages that the structural design is scientific, the inner hole wall of the workpiece can be efficiently and reliably glued, the glue solution is guaranteed to be uniformly smeared, the gluing quantity and the gluing position meet the requirements, the gluing efficiency of the inner hole of the workpiece is obviously improved, the gluing quality is guaranteed, and the automatic gluing assembly device has great practical significance.
In addition, the automatic gluing assembly device for the workpieces can conveniently and reliably assemble the workpieces with other workpieces after the inner hole gluing operation, so that the assembly is ensured to be in place, and the aims of improving the assembly efficiency and reducing the labor intensity are fulfilled.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (6)
1. An automatic gluing assembly device for workpieces is characterized by comprising a horizontally distributed chassis (6);
the top of the chassis (6) is provided with a cam divider (10);
a round rotary disc (14) is arranged on an output shaft at the top of the cam divider (10);
a cam divider (10) for supporting the turntable (14), powering the rotation of the turntable (14), and making the rotation angle of the turntable (14) be (90) degrees each time;
four motors (23) which are distributed in the radial direction are arranged at equal intervals along the circumferential direction at the top of the turntable (14);
the output shaft arranged outside each motor (23) is respectively provided with a first workpiece (11) distributed along the radial direction of the turntable (14);
a motor (23) for driving the first workpiece (11) to rotate;
an inner hole (110) for inner wall gluing is formed in the outer center position of each first workpiece (11);
a gluing mechanism is arranged on the right left side of the turntable (14);
a press-fit mechanism is arranged right behind the turntable (14);
the gluing mechanism is used for gluing the inner hole wall of the first workpiece (11) when the first workpiece (11) is positioned on the right side of the first workpiece;
the press-fitting mechanism is used for press-fitting the second workpiece (100) into the inner hole of the first workpiece (11) with the glue-spreading operation when the glue-spreading mechanism finishes the glue-spreading operation of the inner hole wall of the inner hole and the turntable (14) continuously rotates the first workpiece (11) to the right front of the first workpiece;
the gluing mechanism comprises a dispenser and a dispensing cylinder (15);
the glue solution outlet of the glue dispensing machine is communicated with the glue solution inlet of the glue dispensing cylinder (15) through a hollow connecting pipe;
the glue dispensing machine is used for conveying glue solution to the glue dispensing cylinder (15);
a glue solution output pipe (150) at the right side of the glue dispensing cylinder (15) is sleeved with a glue dispensing head (153) and is communicated with a glue solution inlet at the left side of the glue dispensing head (153);
the glue solution outlet on the right side of the glue dispensing head (153) is communicated with the glue solution inlet on the left side of a glue outlet nozzle (152);
the glue outlet nozzle (152) is in a shape of an arc which is bent downwards;
the right opening of the glue outlet nozzle (152) is a glue outlet;
a fixed sleeve (161) is arranged on the glue solution output pipe at the right side of the glue dispensing cylinder (15);
a spring clip (162) is arranged on the fixed sleeve (161);
an elastic linear scraping plate (151) is clamped on the spring clamp (162);
a spring clip (162) comprising two spring plates;
a preset gap is reserved between the two spring pieces;
the gap is used for inserting one end of the rubber scraping plate (151);
the central axis of the dispensing head (153) is parallel to the scraping plate (151);
the rubber cylinder (15) is arranged on a rubber coating bracket (16);
the left end of the gluing bracket (16) is connected with the output end on the right side of a gluing cylinder (22);
the gluing cylinder (22) is used for pushing the gluing support (16) and the glue dispensing cylinder (15) on the gluing support (16) to move towards the direction of the first workpiece (11), so that a glue outlet nozzle (152) and a glue scraping plate (151) on the right side of the glue dispensing cylinder (15) extend into an inner hole of the first workpiece (11), and the glue outlet nozzle (152) is contacted with the wall of the inner hole of the first workpiece (11);
the automatic gluing assembly device of the workpiece further comprises a press-fitting mechanism, wherein the press-fitting mechanism comprises vertically distributed hollow storage bins (1);
the top of the storage bin (1) is provided with a feed inlet (26) for placing a second workpiece (100);
a plurality of cylindrical second workpieces which need to be pressed are placed in the inner cavity of the storage bin (1);
the second workpieces are sequentially overlapped up and down and distributed in the inner cavity of the storage bin (1) along the radial direction of the turntable (14);
the lower end of the storage bin (1) is provided with a discharge hole (25);
the discharge hole (25) is of a front-back through structure;
the top of the middle section of the discharge hole (25) is open and is communicated with the inner cavity of the storage bin (1);
the rear end of the discharge hole (25) is inserted with the front end of a pressure head (3);
the rear end of the pressure head (3) is connected with a push rod (24) at the front side of a press-fitting cylinder (4);
the press-fit cylinder (4) is arranged at the upper part of a cylinder bracket (5);
the automatic gluing assembly device of the workpiece further comprises a feed mechanism (8);
a feeding mechanism (8) including four feeding plates (83);
the bottom surface of the turntable (14) is arranged at a position right below each motor (23) and is respectively provided with a feed plate (83);
the bottom of each feed plate (83) is provided with a group of upper feed bodies (82), each group of upper feed bodies (82) comprises two upper feed blocks (820) which are arranged at intervals, and the upper ends of the two upper feed blocks (820) are respectively connected with two power supply terminals of a motor (23) right above in a conductive manner;
a group of lower feed bodies (81) are arranged below the turntable (14);
a lower feed body (81) positioned right of the glue spreading mechanism;
the lower power supply body (81) is used for conducting contact with the upper power supply body (82) on one power supply plate (83) when the upper power supply body (82) on the one power supply plate (83) is positioned right of the gluing mechanism along with the rotation of the turntable (14), so that a motor (23) connected with the upper power supply body (82) is driven to work;
a lower power supply body (81) provided on top of one power supply bracket (9);
the feeder bracket (9) is arranged at the top of the chassis (6);
the lower feed body (81) is respectively connected with two output ends of a power supply in a conductive manner;
the power supply is a direct current working power supply and is used for forming a series loop through a lower power supply body (81) and an upper power supply body (82) and a motor (23) correspondingly connected with the upper power supply body (82) and for providing working power for the motor (23);
the lower power supply body (81) and the upper power supply body (82) are distributed symmetrically up and down;
the contact shapes of the opposite ends of the lower power supply body (81) and the upper power supply body (82) are isosceles trapezoids.
2. An automatic gluing assembly device for workpieces according to claim 1, characterized in that the four motors (23) are symmetrically distributed in a cross shape;
the output shaft outside each motor (23) is provided with a tripod positioning seat (13);
each three-foot positioning seat (13) is respectively provided with a first workpiece (11).
3. The automatic gluing assembly device of a workpiece according to claim 1, further comprising a gluing cylinder support mechanism;
the rubber coating cylinder supporting mechanism specifically includes: two bases (17) distributed in front and back;
each base (17) is provided with a vertical column (18) which is vertically distributed;
the top of each upright post (18) is respectively spliced with the right end of a steering block (19) which is transversely distributed;
the left end of each steering block (19) is provided with a through hole which is longitudinally communicated;
the two through holes are respectively spliced with one end of a longitudinally distributed supporting beam (20);
the outer wall of the supporting beam (20) is sleeved with a fixed block (21);
the top of the fixed block (21) is provided with the gluing cylinder (22).
4. An automatic gluing assembly device for workpieces according to claim 1, further comprising a first sensor (201);
the first sensor (201) is positioned right of the dispensing cylinder (15) and right above the left end of the rotary table (14);
a first sensor (201) for detecting whether a first workpiece (11) is present directly thereunder;
the first sensor (201) is further used for sending a trigger starting signal to the gluing cylinder (22) when the first workpiece is detected to appear right below the first sensor, triggering the gluing cylinder (22) to start working for a preset time period and sending a trigger stopping control signal to the cam divider (10);
correspondingly, the gluing cylinder (22) is used for pushing the gluing bracket (16) and the glue dispensing cylinder (15) on the gluing bracket (16) to move towards the direction of the first workpiece (11) after receiving a trigger starting signal sent by the first sensor (201), so that a glue outlet nozzle (152) and a glue scraping plate (151) on the right side of the glue dispensing cylinder (15) extend into an inner hole of the first workpiece (11), the glue outlet nozzle (152) is contacted with the inner hole wall of the first workpiece (11), and after a preset time period, the glue dispensing cylinder (15) on the gluing bracket (16) and the glue dispensing bracket (16) is driven to move towards a direction away from the first workpiece (11), so that the glue outlet nozzle (152) and the glue scraping plate (151) on the right side of the glue dispensing cylinder (15) exit the inner hole of the first workpiece (11);
correspondingly, the cam divider (10) is used for suspending the operation for a preset time period after receiving a trigger stop control signal sent by the first sensor (201), and continuously driving the rotary table (14) to rotate clockwise (90) degrees after the preset time period is reached, so that the first workpiece (11) rotates to a position right in front of the pressing head (3) and a position right below the second sensor (202).
5. An automatic gluing assembly device for workpieces according to claim 1, further comprising a second sensor (202);
the second sensor (202) is positioned right in front of the pressure head (3) and right above the rear end of the rotary table (14);
a second sensor (202) for detecting whether or not the first workpiece (11) is present directly thereunder;
the second sensor (202) is also used for sending a trigger working signal to the press-fit cylinder (4) when the first workpiece right below the second sensor is detected, and triggering the press-fit cylinder (4) to start working;
correspondingly, the press-fitting cylinder (4) is used for pushing the pressure head (3) to press-fit a second workpiece in the discharge hole of the storage bin (1) into the inner hole of the first workpiece (11) after receiving the trigger working signal sent by the second sensor (202).
6. The automatic gluing assembly device of workpieces according to claim 1, characterized in that the lower power supply (81) comprises a power supply base (814), a lower power supply block (811), an insulating sheath (812) and a spring (813);
the upper part of the feed base (814) is provided with two spring accommodating holes;
each spring accommodating hole is provided with a spring (813) and an insulating sheath (812);
an insulating sheath (812) which is hollow and has a cylindrical structure with upper and lower openings;
the lower end of the insulating sheath (812) is clamped with the upper opening of the spring accommodating hole;
each insulating sheath (812) is inserted with a lower feed block (811);
the lower end of the lower feed block (811) is inserted into the spring (813);
the lower ends of the two lower feed blocks (811) are respectively connected with two output ends of a power supply in a conductive manner;
the upper ends of the two lower feed blocks (811) are used for being in corresponding conductive contact with the two upper feed blocks (820) in the group of upper feed blocks (82) when the upper feed blocks (82) on one feed plate (83) are positioned right of the gluing mechanism.
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| CN101920238A (en) * | 2010-07-30 | 2010-12-22 | 东莞新能源科技有限公司 | Automatic glue spreading machine |
| CN109332079A (en) * | 2018-11-21 | 2019-02-15 | 江苏昱博自动化设备有限公司 | A kind of automatic glue spreaders |
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| US7077910B2 (en) * | 2003-04-07 | 2006-07-18 | Surmodics, Inc. | Linear rail coating apparatus and method |
| CN101502825B (en) * | 2009-03-16 | 2011-08-17 | 常州铭赛机器人科技有限公司 | Full-automatic glue-dropping machine |
| US8336484B2 (en) * | 2010-08-04 | 2012-12-25 | Cheng Uei Precision Industry Co., Ltd. | Gluing mechanism |
| CN208213538U (en) * | 2018-02-05 | 2018-12-11 | 宁波品特同创电子科技有限公司 | A kind of four station dispenser of LEDbulb lamp |
| CN208245085U (en) * | 2018-04-12 | 2018-12-18 | 濠福涂装(惠州)有限公司 | A kind of four station automatically dropping glue kludges |
| CN211217329U (en) * | 2019-11-26 | 2020-08-11 | 佛山市里特光电科技有限公司 | Dispensing and assembling device for lamp cap of lamp tube |
| CN111774251A (en) * | 2020-07-15 | 2020-10-16 | 安徽省岳西缸套有限公司 | A oiling station for cylinder liner processing |
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| CN101920238A (en) * | 2010-07-30 | 2010-12-22 | 东莞新能源科技有限公司 | Automatic glue spreading machine |
| CN109332079A (en) * | 2018-11-21 | 2019-02-15 | 江苏昱博自动化设备有限公司 | A kind of automatic glue spreaders |
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