CN115155958B - Adhesive deposite device of relay semi-manufactured goods - Google Patents
Adhesive deposite device of relay semi-manufactured goods Download PDFInfo
- Publication number
- CN115155958B CN115155958B CN202210882371.1A CN202210882371A CN115155958B CN 115155958 B CN115155958 B CN 115155958B CN 202210882371 A CN202210882371 A CN 202210882371A CN 115155958 B CN115155958 B CN 115155958B
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- moving member
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- material placing
- groove
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- 239000000853 adhesive Substances 0.000 title description 2
- 230000001070 adhesive effect Effects 0.000 title description 2
- 239000000463 material Substances 0.000 claims abstract description 119
- 238000003825 pressing Methods 0.000 claims abstract description 63
- 239000011265 semifinished product Substances 0.000 claims abstract description 29
- 238000013519 translation Methods 0.000 claims abstract description 20
- 239000003292 glue Substances 0.000 claims description 18
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
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- 229920002635 polyurethane Polymers 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
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- 230000007797 corrosion Effects 0.000 description 3
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- 238000013461 design Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229920001342 Bakelite® Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000004637 bakelite Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000002354 daily effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
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- 230000003712 anti-aging effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
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- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
- B05C5/0212—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles
- B05C5/0216—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles by relative movement of article and outlet according to a predetermined path
-
- 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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- Coating Apparatus (AREA)
Abstract
The invention provides a dispensing device of a relay semi-finished product, and relates to the technical field of relay production equipment. The dispensing device comprises a base assembly, a first translation assembly, a material placing plate, a material pressing assembly, a second translation assembly and a dispensing assembly. The first translation assembly comprises a first moving member arranged on the base assembly, a second moving member arranged on the first moving member, and a support arranged on the second moving member. The material placing plate is detachably arranged on the supporting piece. The material placing plate is provided with at least one material placing groove for placing relay semi-finished products. The material pressing assembly comprises a first telescopic piece arranged on the base assembly, a material pressing plate arranged at the output end of the first telescopic piece, and a material pressing column arranged on the material pressing plate. The second translation assembly includes a third moving member disposed on the base assembly and a fourth moving member disposed on the third moving member. The dispensing assembly is arranged on the fourth moving component. The dispensing device can greatly improve the dispensing efficiency and accuracy.
Description
Technical Field
The invention relates to the technical field of relay production equipment, in particular to a dispensing device for relay semi-finished products.
Background
In the relay production process, the relay needs to be dispensed, when the pin is inserted into the relay, if the pin is directly inserted into the base without using other bonding tools, the pin is possibly separated from the base in the subsequent working process due to insufficient insertion and extraction force, so that the contact between the pin and the base of the relay needs to be dispensed.
When the existing full-automatic dispensing machine is used for complex dispensing, mistakes are not easy to make and the speed is high, but the price of the full-automatic dispensing machine is high, so that the production cost of the relay is increased. Therefore, the relay production generally adopts a manual dispensing mode, so that the process is slow in speed and low in precision. And dispensing where fine is needed is prone to error.
In view of this, the applicant has studied the prior art and has made the present application.
Disclosure of Invention
The invention provides a glue dispensing device for a relay semi-finished product, and aims to improve at least one of the technical problems.
In order to solve the technical problems, the invention provides a dispensing device for a relay semi-finished product. The dispensing device comprises a base assembly, a first translation assembly, a material placing plate, a material pressing assembly, a second translation assembly and a dispensing assembly.
The first translation assembly comprises a first moving member arranged on the base assembly, a second moving member arranged on the first moving member, and a support arranged on the second moving member. The first moving member is used for driving the second moving member to move along the first horizontal direction. The second moving member is used for driving the support piece to move along a second horizontal direction.
The material placing plate is detachably arranged on the supporting piece. The material placing plate is provided with at least one material placing groove for placing relay semi-finished products.
The material pressing assembly comprises a first telescopic piece arranged on the base assembly, a material pressing plate arranged at the output end of the first telescopic piece, and a material pressing column arranged on the material pressing plate.
The second translation assembly includes a third moving member disposed on the base assembly and a fourth moving member disposed on the third moving member. The third moving member is used for driving the fourth moving member to move along the third horizontal direction.
The dispensing assembly is arranged on the fourth moving component. The fourth moving component is used for driving the dispensing assembly to move along the vertical direction. The glue dispensing assembly is used for outputting glue to the relay semi-finished product in the material placing groove.
In some embodiments, the chute is configured in a rectangular structure, including two long side walls and two short side walls. The joints among the four side walls of the material placing groove are provided with arc grooves.
In some embodiments, an orientation protrusion is disposed between one long sidewall of the placement tank and the bottom of the placement tank.
In some embodiments, the arcuate slot between one short sidewall and the other two long sidewalls of the placement slot extends toward the bottom of the placement slot to form the relief slot. The cross section of the avoidance groove is round.
In some embodiments, the loading plate is provided with a jacking through hole at the bottom of the loading chute.
In some embodiments, the dispensing device further comprises a take out plate. The material taking plate is provided with a material ejection protrusion which can penetrate through the material ejection through hole. The number of the ejection bulges is the same as that of the material placing grooves.
In some embodiments, the pressure plate is provided with a post slot, the side of the post slot being provided with a first limit protrusion. The material pressing column is telescopically and movably arranged in the column groove. The side of the material pressing column is provided with a second limiting protrusion matched with the first limiting protrusion. The second limiting protrusion can be abutted to the first limiting protrusion so as to prevent the material pressing column from being separated from the column groove.
The material pressing assembly comprises a first elastic piece arranged between the material pressing column and the material pressing plate. The first elastic piece is used for driving the material pressing column to extend out of the column groove.
In some embodiments, one of the support and the tray is provided with a positioning protrusion, and the other of the support and the tray is provided with a positioning hole adapted to the positioning protrusion.
In some embodiments, the first moving member and the second moving member are configured as a synchronous belt style cross slide structure. The first horizontal direction is perpendicular to the second horizontal direction.
The third moving member and the fourth moving member are linear driving structures of screw rod sliding blocks. The third horizontal direction is parallel to the first horizontal direction.
In some embodiments, the first telescoping member is a cylinder. The dispensing component is a contact dispensing valve of a pneumatic valve type.
By adopting the technical scheme, the invention can obtain the following technical effects:
according to the embodiment of the invention, the material placing plate is moved between the manual taking and placing work positions through the second moving component. The material placing plate is enabled to move between the material pressing station and the dispensing station through the first moving component. Pressing the relay semi-finished product to the bottom of the trough through the pressing component, and ensuring that the relay semi-finished product on the material placing plate has the same height; and finally, the second translation assembly is used for moving the dispensing assembly to dispense the relay semi-finished product on the opposite material plate. Simple structure, with low costs, and efficiency and the degree of accuracy that the improvement point that can be great glued.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an isometric view of a dispensing device.
Fig. 2 is an exploded view of the dispensing device.
Fig. 3 is an isometric view of a relay blank.
Fig. 4 is an isometric view of a chute.
Fig. 5 is a semi-sectional view (explosive state) between the blanking assembly and the blanking plate.
The marks in the figure: the device comprises a 1-base assembly, a 2-first translation assembly, a 3-first moving member, a 4-second moving member, a 5-supporting piece, a 6-material placing groove, a 7-positioning protrusion, an 8-positioning hole, a 9-material placing plate, a 10-material pressing assembly, an 11-material pressing plate, a 12-first telescopic piece, a 13-second translation assembly, a 14-third moving member, a 15-fourth moving member, a 16-dispensing assembly, a 17-directional protrusion, a 18-avoidance groove, a 19-material ejecting through hole, a 20-relay semi-finished product, a 21-material pressing column, a 22-first elastic piece, a 23-column groove, a 24-second limiting protrusion and a 25-first limiting protrusion.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 apparatus 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" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The invention is described in further detail below with reference to the attached drawings and detailed description:
as shown in fig. 1 to 5, the embodiment of the invention provides a dispensing device for a relay semi-finished product. The dispensing device comprises a base assembly 1, a first translation assembly 2, a material placing plate 9, a material pressing assembly 10, a second translation assembly 13 and a dispensing assembly 16.
The first translation assembly 2 includes a first moving member 3 disposed on the base assembly 1, a second moving member 4 disposed on the first moving member 3, and a support 5 disposed on the second moving member 4. The first moving member 3 is configured to drive the second moving member 4 to move along the first horizontal direction. The second moving member 4 is used to drive the support 5 to move along the second horizontal direction.
The material placing plate 9 is detachably arranged on the supporting piece 5. The blanking plate 9 is provided with at least one blanking slot 6 for placing the relay semi-finished product 20. Preferably, one of the support 5 and the placement plate 9 is provided with a positioning protrusion 7, and the other of the support 5 and the placement plate 9 is provided with a positioning hole 8 adapted to the positioning protrusion 7.
The pressing assembly 10 comprises a first telescopic member 12 arranged on the base assembly 1, a pressing plate 11 arranged at the output end of the first telescopic member 12, and a pressing column 21 arranged on the pressing plate 11. Preferably, the first telescoping member 12 is a cylinder.
The second translation unit 13 includes a third moving member 14 disposed on the base unit 1, and a fourth moving member 15 disposed on the third moving member 14. The third moving member 14 is configured to drive the fourth moving member 15 to move along the third horizontal direction.
The dispensing assembly 16 is disposed on the fourth moving member 15. The fourth moving member 15 is used to drive the dispensing assembly 16 to move in the vertical direction. The dispensing assembly 16 is configured to output glue to the relay blank 20 in the chute 6. Preferably, the dispensing assembly 16 is a contact dispensing valve of the pneumatic valve type.
Specifically, the second moving member 4 moves the material placing plate 9 between the manual taking and placing work positions. The material placing plate 9 is moved between the material pressing station and the dispensing station by the first moving member 3. Pressing the relay semi-finished product 20 to the bottom of the trough through the pressing assembly 10 to ensure that the relay semi-finished product 20 on the material placing plate 9 has the same height; finally, the second translation assembly 13 moves the dispensing assembly 16 to dispense the relay semi-finished product 20 on the opposite material plate 9. Simple structure, with low costs, and efficiency and the degree of accuracy that the improvement point that can be great glued.
Preferably, the dispensing device further comprises: the control assembly, the first solenoid valve, the second solenoid valve and the air pressure providing assembly. The first telescopic piece 12 is connected to the air pressure supply assembly through a first electromagnetic valve air passage; the dispensing assembly 16 is connected to the air pressure supply assembly through a second electromagnetic valve air path; the control unit is electrically connected to the air pressure supply unit, the first solenoid valve, the second solenoid valve, the first moving member 3, the second moving member 4, the third moving member 14, and the fourth moving member 15.
It can be understood that, because the relay is manually placed in the placing plate 9, the relay may be slightly inclined after the placement, and the position of the relay for dispensing is smaller, when the first several relays are used for dispensing, the offset of the dispensing position is not obvious, or the relay belongs to a qualified product, but the placing plate 9 itself may be slightly deformed after long-term use due to the material limitation of the placing plate 9 itself, and under the dual reasons of the deformation of the placing plate 9 and the placement inclination of the relay itself, the dispensing position of the relay product gradually offsets the preset position along with the progress of the dispensing operation, even because of offset, the relay pins and the dispensing heads are damaged.
In order to solve the problem of the relay tilting inside the blanking plate 9 after placement. Therefore, before the glue dispensing device of the embodiment of the invention dispenses the glue to the relays, the pressing assembly 10 is used for flattening the relays to enable all the relays to be positioned on the same plane, through the step, under the condition that the influence of other factors is avoided, the influence of the inclination of the relays on the glue dispensing position can be reduced, the time for manually checking the glue position is shortened, the time for scraping and repairing the glue is shortened, and the glue dispensing efficiency is improved.
As shown in fig. 1 and 2, the left hand mechanism is the nip assembly 10 and the right hand mechanism is the dispensing assembly 16. The material placing plate 9 moves between the two components through the first moving component 3, when staff places the material placing plate 9 into the material pressing component 10, automatic material pressing can be achieved, after the material pressing, the material placing plate is conveyed to the position under the glue dispensing component 16 through the first moving component 3 to be dispensed, and the influence of shaking and the like caused by manual conveying to the position under the glue dispensing component 16 after material pressing can be avoided.
Preferably, the base assembly 1 is made of aluminum profiles and PC boards. Compared with other materials, the aluminum profile has the characteristics of small density, corrosion resistance, convenient fixing and dismounting, environmental protection and the like. The PC board has the excellent characteristics of good impact resistance, high temperature resistance, environmental protection and the like. The frame selects the aluminium alloy, can add bull's eye wheel, universal wheel etc. in the bottom, allows the frame to rotate, remove to any direction to when not needing to use, conveniently dismantle or fix.
It can be understood that the dispensing assembly 16 works by injecting compressed air into the dispensing valve to push the piston in the valve to move, so as to press out the glue from the dispensing head, thereby achieving the purpose of dispensing. The automatic dispensing can be realized by setting the air pressure of the injection dispensing valve and the heating temperature of the dispensing needle head and selecting the proper dispensing head, and the dispensing quantity, the dispensing time, the dispensing speed and the like can be easily changed each time.
The dispensing valve is divided into a contact dispensing valve and a non-contact dispensing valve. The contact dispensing valve comprises a pneumatic valve, an electric valve, a screw valve, a metering valve and the like. The non-contact dispensing valve comprises a piezoelectric valve, a screw valve and the like. In the embodiment of the invention, a pneumatic valve is selected as the dispensing valve. The pneumatic valve has simple structure, low cost and simple daily maintenance.
In an alternative embodiment of the invention, as shown in fig. 4, on the basis of the above-described embodiment, the placement tank 6 is constructed in a rectangular structure, comprising two long side walls and two short side walls. The joints among the four side walls of the material placing groove 6 are provided with arc grooves. Preferably, an orientation protrusion 17 is provided between one long side wall of the placement tank 6 and the bottom of the placement tank 6. More preferably, the circular arc groove between one short side wall and the other two long side walls of the placement groove 6 extends toward the bottom of the placement groove 6 to form the escape groove 18. The relief groove 18 is circular in cross-section.
Specifically, the arc grooves are formed in the four corners of the material placing groove 6, so that the contact area between the relay semi-finished product 20 and the material placing groove 6 can be reduced, and the relay semi-finished product 20 can be taken and placed more smoothly. Circular avoidance grooves 18 are formed in two corners of the material placing groove 6, the radius of the avoidance grooves 18 is the same as the diameter of the circular arc grooves, and the circular arc grooves and the avoidance grooves 18 can be directly milled by adopting milling cutters, so that the material placing groove 6 is simpler to process, and the processing cost of the material placing plate 9 is greatly reduced.
In this embodiment, the orientation protrusion 17 is provided so that the relay semi-finished product 20 may protrude when the direction is misplaced, so as to facilitate the user to find and correct in time. The arrangement of the avoidance groove 18 can enable the end parts of the two pins at the corners of the relay semi-finished product 20 to be extruded and deformed, and has good practical significance.
In an alternative embodiment of the invention, as shown in fig. 4, on the basis of the above-described embodiment, the loading plate 9 is provided with a loading through hole 19 at the bottom of the loading slot 6. Preferably, the dispensing device further comprises a take-out plate. The take-off plate is provided with a ejector projection which can pass through the ejector through hole 19. The number of the ejection bulges is the same as that of the material placing grooves 6. In other embodiments, the material taking plate may not be provided, but may be manually removed one by using the ejector pins, which is not particularly limited in the present invention. Preferably, the material placing plate 9 is made of bakelite material. The material taking plate is made of aluminum materials, and more preferably, at least the material ejecting protrusions on the material taking plate are made of aluminum materials.
Specifically, the material placing plate 9 is placed on the material taking plate, and the jacking protrusions penetrate through the jacking through holes 19 to jack up the relay, so that the relay can be conveniently collected after dispensing is completed. The adoption of the material taking plate can completely take down the relay semi-finished product 20 on the material placing plate 9 at one time, so that the efficiency is greatly improved, and the material taking plate has good practical significance.
The bakelite material is hard and brittle, has good insulativity, plasticity and relatively high mechanical strength, and has good characteristics of heat resistance, wear resistance, corrosion resistance, no water absorption and the like. The aluminum plate has the characteristics of good rigidity, corrosion resistance, light weight relative to other metals and the like.
In an alternative embodiment of the present invention, the worker takes the placing plate 9 through the second moving member 4, and moves the placing plate 9 linearly through the second moving member 4, and after the placing plate 9 moves below the pressing assembly 10, the first telescopic member 12 drives the pressing assembly 10 to press down, so that the relay semi-finished products 20 are pressed to the bottom of the placing groove 6, and all the relay semi-finished products 20 are kept at the same height.
Preferably, the cylinder is used as an actuating element for controlling the up-and-down reciprocating motion of the pressing plate 11, and compared with other linear transmission mechanisms, the cylinder has a simple structure, is convenient to install and easy to control, and can adapt to some harsher environments. In this embodiment, the pressing plate 11 is connected with the piston of the cylinder, and the compressed gas pushes the piston to move downwards, so as to drive the pressing plate 11 to move downwards together, and the light micro relay in the opposite plate 9 is pressed downwards, so that the appearance of the relay is not damaged. Specifically, the pressing plate 11 is made of a PC plate, has high strength, strong plasticity, strong workability, good transparency, and is lighter than metal in weight in the same volume.
As shown in fig. 1, 2 and 5, in an alternative embodiment of the present invention, the pressing plate 11 is provided with a post groove 23, and a side surface of the post groove 23 is provided with a first limit protrusion 25. The pressing column 21 is telescopically arranged in the column groove 23. The side of the material pressing column 21 is provided with a second limiting protrusion 24 which is matched with the first limiting protrusion 25. The second limiting protrusion 24 can be abutted against the first limiting protrusion 25 to prevent the material pressing column 21 from being separated from the column groove 23. Preferably, the press assembly 10 comprises a first elastic member 22 arranged between the press column 21 and the press plate 11. The first elastic member 22 is used for driving the pressing column 21 to extend out of the column groove 23.
Specifically, when the downward pressure is excessively large, a space is left inside the PC board, allowing the ejector pin to move upward, the downward pressure is reduced by spring buffering, and damage to the relay is prevented, preferably, the second limiting projection 24 is an elastic projection provided on the side surface of the pressing column 21. More preferably, the second limiting projection 24 is configured as an elastic barb structure, so as to effectively prevent the ejector pin from falling out of the pin slot 23.
As shown in fig. 1 and 2, in an alternative embodiment of the present invention, based on the above-described embodiment, the first moving member 3 and the second moving member 4 are configured as a synchronous belt type cross slide table structure. The first horizontal direction is perpendicular to the second horizontal direction. The third moving member 14 and the fourth moving member 15 are linear driving structures of a screw slider type. The third horizontal direction is parallel to the first horizontal direction. Preferably, in other embodiments, the first moving member 3 and the second moving member 4 may adopt other linear driving structures such as a screw slider; the third moving member 14 and the fourth moving member 15 may be other linear driving structures such as a synchronous belt type cross slide structure, which is not particularly limited in the present invention.
Specifically, the first moving member 3 and the second moving member 4 adopt a synchronous belt cross sliding table capable of moving in the x axis and the y axis, so that the manual participation in the material pressing process and the glue dispensing process can be reduced. Compared with a guide rail sliding block, the synchronous belt cross sliding table has the advantages of small structure, high guiding precision, good stability during movement, high transmission efficiency, good anti-aging property and the like.
As shown in fig. 1 and 2, the synchronous belt cross sliding table is fixed on a sliding block of a left-right moving sliding table by a sliding table capable of moving back and forth, and a supporting piece 5 for positioning a material plate 9 is fixed on the sliding block of the front and back sliding table. Specifically, through the front and back slip table, will put flitch 9 and transport to press material subassembly 10 below, contact limit switch back, the slip table stops the motion, waits behind the pressure flitch 11 pushes down, and the rethread left and right sides slip table moves slip table and put flitch 9 together under the some glue subassembly 16 to realize the point and glue the operation. Through the cross sliding table, the intervention of manual work to the pressure to the point in-process of gluing can be effectively reduced, the man-made rocking of relay is reduced, the produced defective rate when the point is glued is reduced.
The dispensing assembly 16 is moved by the third moving member 14 and the fourth moving member 15. The third moving member 14 and the fourth moving member 15 use motor screw rods as transmission mechanisms for y-axis and z-axis movement of the dispensing assembly 16.
Type selection of the lead screw for the third moving member and the fourth moving member:
in the embodiment of the invention, the load M=20kg and the screw transmission speed V are respectively set when the screw moves max 100mm/s, screw acceleration time t=0.1 s, rail friction coefficient μ=0.03, young modulus e=2.08×10 5 N/mm 2 Maximum stroke l of the screw rod=500 mm, design accuracy + -0.1 mm, maximum rotating speed n of the servo motor=1500 r/min and gravitational acceleration g=9.8
(1) Lead screw lead calculation: the screw rod is connected with the motor through a coupling, the transmission ratio is 0.99, and the maximum rotation speed of the screw rod
And initially selecting a ball screw with a nominal diameter of 20mm and a lead of 10 mm.
(2) And calculating the maximum axial force of the screw rod:
F＝μMg+f＝0.03×20×9.8+5＝10.88N
wherein: f-seal resistance of the guide rail slide block. There are 1 slider, each slider sealing resistance 5N. Take f=20n.
(3) Allowable rotation speed N of screw rod a Is determined by (a)
Where λ is a coefficient depending on the mounting manner of the screw, and the screw of the present design is a fixed-support type, λ=4.
(4) And (5) checking a screw rod:
the working condition of the screw rod is that the screw rod is started for 8 hours every day, 300 working days are carried out every year, and the screw rod is used for more than 5 years.
And (3) life calculation:
L h ＝8×300×5＝12000h
rated dynamic load:
wherein: f—axial load, taking f=20n. K (K) F -load factor. K removing F ＝1.2。K h -life factor. K (K) h ＝(L h /500) 1/3 ＝2.8845。K H -dynamic load stiffness influence coefficient. Taking K H ＝1.0。K L -short stroke coefficient. Taking K L ＝1.0。K m -a rotation speed coefficient. Taking K m ＝0.5107。
(6) And (3) selecting a screw rod:
full length of screw = maximum stroke + sleeve length + margin + fixed side dimension = 500+60+30+10+100 = 700mm.
Calculation of ball screw diameter d:
in sum, the screw rod model is C-MTSLW2010-500, the precision grade is grade 2, the nominal diameter of the screw rod is 20mm, the lead is 10mm, and the effective stroke is 500mm.
Selection of servo motors for the first moving member, the second moving member, the third moving member, and the fourth moving member:
in the embodiment of the invention, the total mass M=20kg of the sliding table, the highest moving speed V=100deg.M/s of the sliding table, the motor power voltage 24V, the total length L=700mm of the ball screw, the shaft diameter D=20mm of the ball screw, the lead P=10mm of the ball screw, the screw acceleration time t=1s, the internal friction coefficient mu of the pre-pressing nut 0 Material steel of =0.3, ball screw(density ρ=7.9X10) 3 kg/m3)
A servo motor with a model number of 42AIM15 is initially selected, the rated power is 50W, the rated torque is 5 N.m, the rated rotating speed is 1000r/min, and the moment of inertia is 9.139 multiplied by 10 -5 kg·m 2 。
(1) Calculating the rotating speed of the servo motor:
(2) Calculation of external load moment of inertia:
screw rod part rotational inertia:
moment of inertia of external load
Moment of inertia applied to the motor:
J＝J L +J m ＝0.00505885+0.00324＝0.00829885kg·m 2
(3) Friction torque generated by external load:
wherein: f—applied axial load, containing rail friction, taking f=50n. P (P) h -the lead of the ball screw. η—efficiency of unpressurized ball screw pair. Level 2 precision η=0.9.
(4) Friction torque generated by pretightening force
Wherein: f (F) p Pre-tightening force of ball screw pair, F p ＝F max /3＝50/3＝16.67N·m
(5) Friction torque produced by the support bearing:
selecting a deep groove ball bearing with the bearing code number 6207, and checking a bearing sample to obtain friction moment: t (T) b ＝0.23N·m。
(6) Acceleration-generated load torque:
according to the design requirements, it can be seen that: the moving speed V=100 mm/s, the motor rotating speed 1000r/min and the time required for accelerating the workbench is 1s:
(7) Total torque of motor:
T m ＝T p +T D +T j +T b ＝0.0884+0.0614+0.869054+0.23＝1.248854N·m
the rated torque of the selected motor is 5 N.m, which is 3 times greater than the torque of the calculated motor, and the selected motor meets the requirements.
Selection of timing belts for the first moving member and the second moving member:
compared with screw rod transmission, the synchronous belt has the advantages of accurate and stable transmission, high efficiency, suitability for long-distance transmission and shock absorption and buffering capacity. In the present embodiment, the motor power p=2.3 kW, the motor rotation speed n 1 1500r/min, gear ratio i=1.10, 8h daily.
(1) Determining the calculated power P ca ：
P ca ＝K a P＝1.1×2.3＝2.53kW
Wherein: k (K) a -a working condition coefficient. Obtaining K by checking the coefficient table of the belt working condition a ＝1.1。
(2) Selecting a tape type:
according to P ca And n1 checking a tape selection graph, and selecting a Z type.
(3) Determining a pulley reference diameter d and checking a belt speed v:
primary selecting small belt wheelDiameter d d1 Optional d according to a pulley reference diameter table d1 ＝50mm。
Belt speed v:
since 3.925m/s < V <30m/s, the belt speed is appropriate.
Reference diameter d of large belt wheel d2 ：
d d2 ＝id d1 ＝1.1×50＝55mm
Optional d according to a reference diameter table of the belt pulley d2 ＝56mm。
(4) Calculating the center distance a and the reference length L of the belt d ：
Center distance a 0 ：
0.7(d d1 +d d2 )≤a 0 ≤2(d d1 +d d2 )
Initial center distance a 0 ＝150mm。
Tape reference length
Selecting a tape reference length L d ＝475mm，K L ＝0.90。
Actual center distance a:
the range of the center distance is 147.095-168.47 mm.
(5) Checking and calculating the wrap angle alpha of small belt pulley 1 ：
(6) Calculating the band rated power P r ：
P r ＝(P 0 +ΔP 0 )K α K L ＝(0.17+0.01)×0.99×0.9＝0.16kW
Wherein: p (P) 0 Band substantially rated power. Look-up table can obtain P 0 ＝0.17kW。ΔP 0 -with rated power increment. Look-up table can obtain ΔP 0 ＝0.01kW。K α -wrap angle correction factor. Look-up table can obtain K α ＝0.99。K L -a tape length correction factor. Look-up table can obtain K L ＝0.90。
(7) Synchronous belt type selection:
polyurethane steel wire V-belts, HTD3M synchronous wheels were selected.
Regarding the type of first telescopic member (cylinder):
the cylinder is mostly used in the occasion of linear motion, and has the advantages of high power, environmental protection, energy saving, convenient control and simple adjustment. But only axial force and not radial force can be born, so that the piston is bent and the cylinder is invalid. In the present embodiment, the total mass m=5 kg of the load, the cylinder stroke l=200 mm, the cylinder operation time t=4s, the operating pressure p=0.5 Mpa, and the gravitational acceleration g=9.8
(1) Axial load force:
F＝Mg＝5×9.8＝49N(4-23)
(2) Average cylinder speed:
the obtainable load factor η=0.65 according to table 1
TABLE 1 load conditions and load forces
(3) The theoretical output force of the cylinder:
(4) Cylinder bore:
therefore, the diameter of the selected cylinder is 16mm.
(5) Cylinder type selection:
an MXS6-200 double-shaft cylinder is selected, the inner diameter phi=16mm of the cylinder is 200mm, and the working pressure is 0.5Mpa.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The dispensing device of the relay semi-finished product is characterized by comprising a base assembly (1), a first translation assembly (2), a material placing plate (9), a material pressing assembly (10), a second translation assembly (13) and a dispensing assembly (16);
the first translation assembly (2) comprises a first moving member (3) arranged on the base assembly (1), a second moving member (4) arranged on the first moving member (3), and a support (5) arranged on the second moving member (4); the first moving member (3) is used for driving the second moving member (4) to move along a first horizontal direction; the second moving member (4) is used for driving the support (5) to move along a second horizontal direction;
the material placing plate (9) is detachably arranged on the supporting piece (5); the material placing plate (9) is provided with at least one material placing groove (6) for placing a relay semi-finished product (20); the material placing groove (6) is in a rectangular structure and comprises two long side walls and two short side walls; the joints among the four side walls of the material placing groove (6) are provided with arc grooves; the arc grooves between one short side wall and the other two long side walls of the material placing groove (6) extend towards the bottom of the material placing groove (6) to form an avoidance groove (18); the cross section of the avoidance groove (18) is round; the radius of the avoidance groove (18) is the same as the diameter of the circular arc groove;
the material pressing assembly (10) comprises a first telescopic piece (12) arranged on the base assembly (1), a material pressing plate (11) arranged at the output end of the first telescopic piece (12), and a material pressing column (21) arranged on the material pressing plate (11); the material pressing plate (11) is provided with a column groove (23), and a first limit protrusion (25) is arranged on the side surface of the column groove (23); the material pressing column (21) is telescopically and movably arranged in the column groove (23); the side surface of the material pressing column (21) is provided with a second limiting protrusion (24) which is matched with the first limiting protrusion (25); the second limiting protrusion (24) can be abutted against the first limiting protrusion (25) so as to prevent the material pressing column (21) from being separated from the column groove (23);
the material pressing assembly (10) further comprises a first elastic piece (22) arranged between the material pressing column (21) and the material pressing plate (11); the first elastic piece (22) is used for driving the material pressing column (21) to extend out of the column groove (23);
the second translation assembly (13) comprises a third movement member (14) arranged on the base assembly (1), and a fourth movement member (15) arranged on the third movement member (14); the third moving member (14) is used for driving the fourth moving member (15) to move along a third horizontal direction;
a dispensing assembly (16) is arranged on the fourth moving member (15); the fourth moving component (15) is used for driving the dispensing assembly (16) to move along the vertical direction; the glue dispensing assembly (16) is used for outputting glue to a relay semi-finished product (20) in the material placing groove (6);
the first moving member (3) and the second moving member (4) are configured as a synchronous belt type cross slipway structure; the first horizontal direction is perpendicular to the second horizontal direction; the synchronous belt type cross sliding table adopts a polyurethane steel wire V-shaped belt and an HTD3M synchronous wheel;
the third moving component (14) and the fourth moving component (15) are linear driving structures of screw rod sliding blocks; the third horizontal direction is parallel to the first horizontal direction; the model of the private clothes motor with the screw rod sliding block type linear driving structure is 42AIM15, and the rated power is 50W, rated torque 5 N.m, rated rotation speed 1000r/min, moment of inertia 9.139 ×10 -5 kg·m 2 The method comprises the steps of carrying out a first treatment on the surface of the The screw rod of the screw rod sliding block type linear driving structure is C-MTSLW2010-500, the precision grade is 2, the nominal diameter of the screw rod is 20mm, the lead is 10mm, and the effective stroke is 500mm;
an orientation bulge (17) is arranged between one long side wall of the material placing groove (6) and the bottom of the material placing groove (6).
2. Dispensing device for relay semi-finished products according to claim 1, characterized in that the material placing plate (9) is provided with a material ejecting through hole (19) located at the bottom of the material placing groove (6).
3. The dispensing device of a relay blank according to claim 2, further comprising a take out plate; the material taking plate is provided with a material ejection protrusion which can penetrate through the material ejection through hole (19); the number of the ejection bulges is the same as that of the material placing grooves (6).
4. A dispensing device for relay semi-finished products according to claim 1, characterized in that one of the support (5) and the material placing plate (9) is provided with a positioning protrusion (7), and the other of the support (5) and the material placing plate (9) is provided with a positioning hole (8) adapted to the positioning protrusion (7).
5. Dispensing device for relay semi-finished products according to any of claims 1 to 4, characterized in that said first telescopic member (12) is a cylinder; the dispensing assembly (16) is a pneumatic valve type contact dispensing valve.
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| CN216323058U (en) * | 2021-11-03 | 2022-04-19 | 东莞市西研建筑材料有限公司 | A some adhesive positioning device for aluminium base board production |
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| CN108014961A (en) * | 2016-10-31 | 2018-05-11 | 富鼎电子科技(嘉善)有限公司 | Point glue equipment |
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