CN220126700U - Dispensing head for PCB dispensing machine - Google Patents
Dispensing head for PCB dispensing machine Download PDFInfo
- Publication number
- CN220126700U CN220126700U CN202320045271.3U CN202320045271U CN220126700U CN 220126700 U CN220126700 U CN 220126700U CN 202320045271 U CN202320045271 U CN 202320045271U CN 220126700 U CN220126700 U CN 220126700U
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- Prior art keywords
- glue
- channel
- passageway
- outlet pipe
- dispensing
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- 239000003292 glue Substances 0.000 claims abstract description 154
- 241001232346 Gymnosperma glutinosum Species 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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- Coating Apparatus (AREA)
Abstract
The utility model relates to the technical field of chip manufacturing and packaging, in particular to a dispensing head for a PCB (printed circuit board) dispenser, which comprises a head seat for connecting the dispenser, wherein a connecting block is arranged at the right end of the head seat, a tail seat is arranged at the right end of the connecting block, a glue outlet head is detachably arranged at the right end of the tail seat, a first glue channel is arranged on the head seat in a penetrating manner along the left-right direction, a second glue channel communicated with the first glue channel is arranged on the connecting block in a penetrating manner along the left-right direction, the second glue channel comprises a thick channel and a thin channel, the thick channel is communicated with the first glue channel, the right side of the thick channel is communicated with the thin channel, and the right side of the thin channel is communicated with the glue outlet head.
Description
Technical Field
The utility model belongs to the technical field of chip manufacturing and packaging, and particularly relates to a dispensing head for a PCB (printed circuit board) dispensing machine.
Background
The glue dispensing machine is also called a glue spreader, a glue dripping machine, a glue beating machine, a glue filling machine and the like, and is specially used for controlling fluid. And the fluid is dripped and coated on the surface of the product or an automatic machine in the product, so that three-dimensional and four-dimensional path dispensing can be realized, the accurate positioning, the accurate glue control, no wire drawing, no glue leakage and no glue dripping are realized. The dispensing machine is mainly used for precisely dispensing, injecting, coating and dripping glue, paint and other liquid in the product process to the precise position of each product, and can be used for realizing dotting, line drawing, circular or arc. The action of the dispenser mainly comprises the following aspects: 1. dispensing, fixing and bonding the object: such as automobile hardware, cell phone screens, cameras, microphones, etc.; 2. dispensing identification functions are carried out on the surface of an object, such as clothing patterns, logo products, car logos, badges, keyboard letters and the like; 3. the precise components such as the circuit board and the like are subjected to dispensing and conducting effects, and the conductive adhesive is used for dispensing semiconductors, dispensing PCBs, dispensing chips and the like.
In the PCB board paster process, various components and parts need to be assembled by using a glue dispenser, and the glue dispenser can dispense glue and conduct electricity to precise components such as a circuit board. Most of the dispensing needles of the existing dispensing machine are of rigid structures, strict control is needed when the driving dispensing heads move downwards to dispense, but the dispensing heads are easy to collide with the PCB, so that the dispensing heads and the PCB are damaged, meanwhile, the dispensing needles are of rigid mechanisms, the dispensing equipment is required to replace the corresponding dispensing heads according to different PCBs, the dispensing is troublesome, and in addition, the existing dispensing heads are easy to generate problems of bubbles, breaking, and the like in the dispensing process, so that the dispensing quality is affected.
Disclosure of Invention
Aiming at the defects and the defects in the prior art, the utility model provides a dispensing head for a PCB dispensing machine, and provides the dispensing head which ensures that glue is uniformly distributed, glue overflow is avoided, and meanwhile, the problems of air bubbles and glue breakage in the dispensing process are effectively reduced, and the dispensing effect is good.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a PCB board point gum machine is with point gum head, is including the headstock that is used for tie point gum machine, the headstock right-hand member is provided with the connecting block, the connecting block right-hand member is provided with the tailstock, the tailstock right-hand member can be dismantled and be provided with out the gum head, the headstock runs through along left and right directions and is provided with first glue passageway, the connecting block runs through along left and right directions and is provided with the second glue passageway with first glue passageway intercommunication, the second glue passageway includes thick passageway and thin passageway, thick passageway and first glue passageway intercommunication, its right side intercommunication is provided with thin passageway, thin passageway right side and play gum head intercommunication.
Further, go out the rubber head include with tailstock threaded connection's link, the link right side is provided with first play rubber tube, first play rubber tube right side intercommunication cover is equipped with the second and goes out the rubber tube, be provided with the spring between first play rubber tube and the second play rubber tube, second play rubber tube right side is provided with out the rubber end, be provided with the third glue passageway with thin passageway intercommunication along left and right directions in the link, third glue passageway communicates with first play rubber tube.
Further, a glue outlet channel connected with the second glue outlet pipe is formed in the glue outlet end, the side wall of the glue outlet channel is arc-shaped, a glue groove is formed in the side wall of the glue outlet channel, and the diameter of an outlet on the right side of the glue outlet channel is smaller than that of an inlet on the left side.
Further, the second rubber outlet pipe is sleeved on the first rubber outlet pipe, the junction between the second rubber outlet pipe and the rubber outlet end and the junction between the first rubber outlet pipe and the connecting end are both provided with two ends of the outer convex connecting spring, and the two ends of the spring are connected with the outer convex connecting spring through glue.
Further, the glue groove radially extends by taking the right side outlet of the glue outlet channel as the center, the left end part of the glue groove is communicated with the second glue outlet pipe, the other end part of the glue groove radially extends outwards along a curve or extends outwards along a straight line, and the curve is an arc or curve with other shapes.
Further, the diameter of the thin channel is smaller than the diameters of the thick channel and the third glue channel.
Furthermore, the outer side wall of the connecting block and the outer side wall of the connecting end are in a hexagonal shape or a quadrangle shape.
Further, the glue groove depth gradually decreases from left to right.
The utility model has the following beneficial effects: firstly, through dividing into thick passageway and thin passageway with second glue passageway, when glue gets into out the gluey head from thin passageway, can extrude the bubble in the adhesive glue out, reduce effectively the bubble that the in-process produced, the broken glue problem of gluing, glue effectually, through setting up detachable out gluey head, conveniently change, through setting up first play rubber tube and second play rubber tube, the cooperation spring, make out glue end can elastic contraction, can stretch out and draw back according to the atress size when contacting the PCB board, thereby avoid some gluey heads and PCB board damage, and can stretch out and draw back according to different PCB boards in its flexible scope, in addition, through seting up the gluey groove at out the gluey end, when making out gluing, the glue volume from inside to outside gradually reduces, i.e. the middle region gluey volume is many, the marginal region gluey volume is few, thereby during the paster process, according to the physical properties that glue flows, inside glue gradually climbs outwards, gradually pushes up glue to the terminal surface edge, thereby finally reach in the gluey region thickness uniformity, the content is unanimous.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded view of the structure of the first hose, spring and second hose;
FIG. 3 is a schematic view of a glue groove when the curve is arc;
FIG. 4 is a schematic diagram of a glue slot with a straight curve;
in the figure: 1-headstock, 2-connecting block, 3-first glue passageway, 4-thick passageway, 5-thin passageway, 6-tailstock, 7-spring, 8-link, 9-third glue passageway, 10-first glue outlet pipe, 11-second glue outlet pipe, 12-glue outlet channel, 121-glue groove, 13-glue outlet end.
Detailed Description
The following describes specific embodiments of the present utility model in detail with reference to the drawings.
Example 1:
as shown in fig. 1 and 2, a dispensing head for a PCB board dispensing machine, including a headstock 1 for connecting a dispensing machine, the headstock 1 right-hand member is provided with connecting block 2, connecting block 2 right-hand member is provided with tailstock 6, tailstock 6 right-hand member can dismantle and be provided with out the dispensing head, headstock 1 runs through along left and right directions and is provided with first glue passageway 3, connecting block 2 runs through along left and right directions and is provided with the second glue passageway with first glue passageway 3 intercommunication, the second glue passageway includes thick passageway 4 and thin passageway 5, thick passageway 4 and first glue passageway 3 intercommunication, and its right side intercommunication is provided with thin passageway 5, thin passageway 5 right side and play dispensing head intercommunication, go out the dispensing head include with tailstock 6 threaded connection's link 8, link 8 right side is provided with first glue outlet 10, first glue outlet 10 right side intercommunication cover is provided with second glue passageway 11, be provided with spring 7 between first glue outlet 10 and the second glue passageway 11, second glue outlet 11 right side is provided with diameter along third glue passageway 9 and thin passageway 9, thin passageway 9 is provided with in the diameter of third glue passageway 9.
In this embodiment, at first, through dividing into thick passageway and thin passageway with second glue passageway, when glue gets into the third glue passageway from thin passageway, because thin passageway diameter is less than third glue passageway diameter, so when glue carries out the third glue passageway, the pressure that it received reduces, can make bubble in the glue produce and break, can extrude out the bubble in the adhesive, reduce the bubble that the point gum in-process produced effectively, the glue breaking problem, the point gum is effectual, through setting up detachable out the gluey head, conveniently change, through setting up first out the rubber tube and second out the rubber tube, cooperate the spring, make out the gluey end and can elasticity shrink, can stretch out and draw back according to the atress size when contacting the PCB board correspondingly, thereby avoid point to glue head and PCB board damage, and can stretch out and draw back according to different PCB boards in its flexible scope.
Example 2:
as shown in fig. 3 and 4, the glue outlet end 13 is internally provided with a glue outlet channel 12 connected with the second glue outlet pipe 11, the side wall of the glue outlet channel 12 is arc-shaped, the side wall of the glue outlet channel 12 is provided with a glue groove 121, the diameter of the right outlet of the glue outlet channel 12 is smaller than that of the left inlet, the glue groove 121 radially extends with the right outlet of the glue outlet channel as the center, the left end of the glue groove 121 is communicated with the second glue outlet pipe 11, the other end of the glue groove 121 radially extends outwards along a curve or outwards along a straight line, the curve is arc-shaped or curve of other shapes, and the depth of the glue groove gradually decreases from left to right.
In this embodiment, because the inside play gluey passageway of play gluey end is the arc, be between the left end diameter being greater than the right-hand member promptly, be the funnel form, when making gluey, go out gluey volume from inside to outside gradual reduction, the middle region gluey volume is many, marginal region gluey volume is few, thereby during the paster process, according to the physical properties that glue flows, the inboard glue is outwards climbed gradually, push the glue to terminal surface marginal area gradually, thereby finally reach glue thickness in the viscose region, the content is unanimous, simultaneously through seting up the gluey groove on the lateral wall of play gluey passageway, further enlarged the scope of play gluey passageway edge, through setting up the gluey groove into the curve, length when making glue flow along the gluey groove increases, simultaneously, curved gluey groove can make when glue play gluey have certain rotation, glue can be even fall on the PCB board when guaranteeing to go out gluey, product quality and the product damage problem that glue brought because of glue uneven distribution and glue overflow have been effectively stopped.
The second rubber outlet pipe 11 is sleeved on the first rubber outlet pipe 10, the junction between the second rubber outlet pipe 11 and the rubber outlet end 13 and the junction between the first rubber outlet pipe 10 and the connecting end 8 are both provided with two ends which are externally protruded and used for connecting the spring 7, and the two ends of the spring are externally protruded and connected through glue; the second rubber outlet pipe and the first rubber outlet pipe which are connected through glue are convenient to detach and mount, namely, the whole rubber outlet head can be detached into a plurality of parts in the mounting process, when a fault is encountered, the inspection is convenient, then damaged parts can be replaced, the situation that the whole rubber outlet head needs to be replaced when the traditional rubber outlet head is replaced is effectively reduced, the cost is reduced, and meanwhile, the efficiency is improved.
Illustratively, the outer side wall of the connecting block 2 and the outer side wall of the connecting end are in a hexagonal or tetragonal shape; the disassembly and the installation are convenient.
Working principle: when the glue dispensing machine works, the head seat of the whole glue dispensing head is connected and communicated with the glue dispensing machine, so that glue can smoothly enter the glue dispensing head, then the glue starts to work, firstly enters the first glue channel from the glue dispensing machine, then enters the thick channel of the second glue channel, and when the glue enters the glue dispensing head from the thin channel, the diameter of the thin channel is smaller than that of the third glue channel, so that when the glue enters the third glue channel, the pressure born by the glue is reduced, bubbles in the glue can be broken, the bubbles in the adhesive can be effectively extruded, then the glue can enter the first glue outlet pipe through the third glue channel, then enters the second glue outlet pipe, and flows into the glue outlet pipe and flows out of the glue outlet.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. The present utility model is not limited to the above-described embodiments, and the above-described embodiments and descriptions merely illustrate the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a PCB board point gum machine is with point gum head which characterized in that: including the headstock that is used for tie point gum machine, the headstock right-hand member is provided with the connecting block, the connecting block right-hand member is provided with the tailstock, the tailstock right-hand member can be dismantled and be provided with out the gum head, the headstock runs through along left and right directions and is provided with first glue passageway, the connecting block runs through along left and right directions and is provided with the second glue passageway with first glue passageway intercommunication, the second glue passageway includes thick passageway and thin passageway, thick passageway and first glue passageway intercommunication, its right side intercommunication is provided with thin passageway, thin passageway right side and out the gum head intercommunication.
2. The dispensing head for a PCB dispensing machine according to claim 1, wherein: the rubber outlet head comprises a connecting end in threaded connection with a tailstock, a first rubber outlet pipe is arranged on the right side of the connecting end, a second rubber outlet pipe is sleeved on the right side of the first rubber outlet pipe, a spring is arranged between the first rubber outlet pipe and the second rubber outlet pipe, a rubber outlet end is arranged on the right side of the second rubber outlet pipe, a third glue channel communicated with the thin channel is arranged in the connecting end along the left-right direction, and the third glue channel is communicated with the first rubber outlet pipe.
3. The dispensing head for a PCB dispensing machine according to claim 2, wherein: the glue outlet end is internally provided with a glue outlet channel connected with a second glue outlet pipe, the side wall of the glue outlet channel is arc-shaped, the side wall of the glue outlet channel is provided with a glue groove, and the diameter of the right outlet of the glue outlet channel is smaller than that of the left inlet.
4. The dispensing head for a PCB dispensing machine according to claim 2, wherein: the second rubber outlet pipe is sleeved on the first rubber outlet pipe, the junction between the second rubber outlet pipe and the rubber outlet end and the junction between the first rubber outlet pipe and the connecting end are both provided with two ends which are externally protruded and used for connecting a spring, and the two ends of the spring are externally protruded and connected through glue.
5. A dispensing head for a PCB dispensing machine according to claim 3, wherein: the glue groove extends radially by taking the right outlet of the glue outlet channel as the center, the left end part of the glue groove is communicated with the second glue outlet pipe, the other end part of the glue groove extends radially outwards along a curve or extends outwards along a straight line, and the curve is arc-shaped.
6. The dispensing head for a PCB dispensing machine according to claim 2, wherein: the diameter of the thin channel is smaller than that of the thick channel and the diameter of the third glue channel.
7. The dispensing head for a PCB dispensing machine according to claim 1, wherein: the outer side wall of the connecting block and the outer side wall of the connecting end are in a hexagonal shape or a quadrangle shape.
8. A dispensing head for a PCB dispensing machine according to claim 3, wherein: the depth of the glue groove is gradually reduced from left to right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320045271.3U CN220126700U (en) | 2023-01-09 | 2023-01-09 | Dispensing head for PCB dispensing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320045271.3U CN220126700U (en) | 2023-01-09 | 2023-01-09 | Dispensing head for PCB dispensing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220126700U true CN220126700U (en) | 2023-12-05 |
Family
ID=88952990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320045271.3U Active CN220126700U (en) | 2023-01-09 | 2023-01-09 | Dispensing head for PCB dispensing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220126700U (en) |
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2023
- 2023-01-09 CN CN202320045271.3U patent/CN220126700U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |