CN110876860A - Vacuum defoaming machine - Google Patents
Vacuum defoaming machine Download PDFInfo
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- CN110876860A CN110876860A CN201911152737.4A CN201911152737A CN110876860A CN 110876860 A CN110876860 A CN 110876860A CN 201911152737 A CN201911152737 A CN 201911152737A CN 110876860 A CN110876860 A CN 110876860A
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- 238000010438 heat treatment Methods 0.000 claims abstract description 95
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims abstract description 45
- 230000033001 locomotion Effects 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000007723 transport mechanism Effects 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
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Abstract
The invention discloses a vacuum defoaming machine which comprises a rack, and a feeding module, a blanking module, a vertical movement module and two transversely arranged vacuum heating modules which are fixed on the rack, wherein the feeding module and the blanking module are respectively arranged on the front side and the rear side of the two vacuum heating modules, the vertical movement module is arranged between the two transversely arranged vacuum heating modules, the feeding module comprises a first conveying mechanism and a first transverse movement module, the vacuum heating module comprises a vacuum cavity and a heating box body, the heating box body is provided with a heating assembly and a second conveying mechanism, and the blanking module comprises a third conveying mechanism and a second transverse movement module. The invention adopts the double vacuum heating module group to carry out bubble removal work on the PCBA, has high working efficiency and high automation degree, greatly reduces manual operation and further improves the yield of products.
Description
Technical Field
The invention relates to the technical field of PCBA bubble removing equipment, in particular to a vacuum bubble removing machine.
Background
In the production process of the PCBA, when glue is coated or sprayed on the PCBA, the glue with low viscosity is easy to generate bubbles in a glue layer, and the coating quality is influenced, so that the bubbles of the PCBA are required to be removed, and the bubbles in a glue layer of the PCBA are mainly removed by using high pressure and high temperature.
At present traditional defoaming machine needs artificially to place the PCBA board in the pressurization cavity, and to the air pressurization heating in the cavity, eliminates the bubble on the PCBA board glue layer, takes out the PCBA board after the elimination is accomplished, and this kind of mode inefficiency is difficult for realizing automated production.
The above drawbacks are to be improved.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a vacuum defoaming machine.
The technical scheme of the invention is as follows:
a vacuum defoaming machine is characterized by comprising a frame, a feeding module, a discharging module, a vertical moving module and two transversely arranged vacuum heating modules, wherein the feeding module, the discharging module, the vertical moving module and the two transversely arranged vacuum heating modules are fixed on the frame, the feeding module and the discharging module are respectively arranged at the front side and the rear side of the two vacuum heating modules, the vertical moving module is arranged between the two transversely arranged vacuum heating modules,
the feeding module comprises a first conveying mechanism and a first transverse moving module, the first conveying mechanism drives the PCBA to move longitudinally, the first transverse moving module is fixed on the rack and drives the first conveying mechanism to move transversely on the rack,
the vacuum heating module comprises a vacuum cavity and a heating box body, the vacuum cavity is arranged in a vacuum cavity mounting rack of the rack, the heating box body is connected with the vertical movement module, the vertical movement module drives the heating box body to vertically move in the vacuum cavity, the heating box body is provided with a heating component and a second conveying mechanism, the second conveying mechanism drives the PCBA board to longitudinally move,
the blanking module comprises a third conveying mechanism and a second transverse movement module, the third conveying mechanism drives the PCBA to move longitudinally, the second transverse movement module is fixed on the rack, and the second transverse movement module drives the third conveying mechanism to move transversely on the rack.
The invention according to the above scheme is characterized in that the first conveying mechanism comprises a feeding bottom plate, a first side supporting plate, a second side supporting plate and a first adjusting plate arranged between the first side supporting plate and the second side supporting plate, the first side supporting plate and the second side supporting plate are respectively fixed on the left side and the right side of the feeding bottom plate,
a first screw rod is arranged between the first side supporting plate and the second side supporting plate, the first screw rod is in threaded connection with the first adjusting plate, the first screw rod drives the first adjusting plate to move transversely, the first screw rod is connected with a first width adjusting motor, the first width adjusting motor is fixed on the feeding bottom plate, the first width adjusting motor drives the first screw rod to rotate,
first side support plate with be provided with first pivot between the second side support plate, first pivot is passed first regulating plate, first regulating plate is provided with first belt conveying subassembly, second side support plate be provided with the relative second belt conveying subassembly that sets up of first belt conveying subassembly, first belt conveying subassembly with second belt conveying subassembly respectively with first pivot is connected, first pivot drives first belt conveying subassembly with the synchronous rotation of second belt conveying subassembly, first pivot is connected with first rotating motor, first rotating motor is fixed on the material loading bottom plate, first rotating motor drives first pivot rotates.
Furthermore, the feeding device is characterized in that the first transverse movement module comprises a first transverse sliding rail, a first lead screw motor and a first lead screw, the first transverse sliding rail and the first lead screw motor are fixed on the rack, first bearing seats are arranged at two ends of the first lead screw and fixed on the rack, the first lead screw is connected with the first lead screw motor, the first lead screw motor drives the first lead screw to rotate, a first sliding block and a first fixing block are arranged at the bottom of the feeding bottom plate, the first sliding block transversely moves along the first transverse sliding rail, a first threaded hole matched with the first lead screw is formed in the first fixing block, the first lead screw penetrates through the first threaded hole, and the first lead screw drives the first fixing block to transversely move.
Furthermore, the material pushing device is characterized in that a rodless cylinder is arranged at the discharge end of the first adjusting plate, a rotary cylinder and a material pushing plate are arranged on a longitudinal sliding block of the rodless cylinder, the rotary cylinder is connected with the material pushing plate, and the rotary cylinder drives the material pushing plate to rotate.
The present invention according to the above aspect is characterized in that the heating cabinet includes a top plate, a third side support plate, a fourth side support plate, a plurality of heating plates disposed between the third side support plate and the fourth side support plate and stacked in order in a vertical direction, and a second regulation plate disposed between the third side support plate and the fourth side support plate,
the third side supporting plate and the fourth side supporting plate are respectively fixed at the left side and the right side of the top plate, the top plate is connected with a moving arm of the vertical moving module, the moving arm drives the top plate to vertically move, a second screw rod is arranged between the third side supporting plate and the fourth side supporting plate, the second screw rod is in threaded connection with the second adjusting plate, and the second screw rod drives the second adjusting plate to transversely move,
the second adjusting plate is provided with a plurality of third belt conveying assemblies, the fourth side supporting plate is provided with a plurality of fourth belt conveying assemblies opposite to the third belt conveying assemblies, and a group of third belt conveying assemblies and the fourth belt conveying assemblies opposite to each other are arranged above each heating plate.
Still further, its characterized in that is equipped with a plurality of baffle mechanisms on the second regulating plate, baffle mechanism includes vertical slide rail and sets up baffle on the vertical slide rail, vertical slide rail is fixed on the second regulating plate and be located third belt conveying assembly's discharge end, the baffle along vertical slide rail vertical motion.
Furthermore, the discharge end of the third belt conveying component is provided with a first power-assisted gear, the first power-assisted gear drives the third belt conveying component to rotate, the discharge end of the fourth belt conveying component is provided with a second power-assisted gear, and the second power-assisted gear drives the fourth belt conveying component to rotate.
Furthermore, the third conveying mechanism comprises a blanking bottom plate, a fifth side supporting plate, a sixth side supporting plate and a third adjusting plate arranged between the fifth side supporting plate and the sixth side supporting plate, the fifth side supporting plate and the sixth side supporting plate are respectively fixed at the left side and the right side of the blanking bottom plate,
a third screw rod is arranged between the sixth side supporting plate and the third adjusting plate, the third screw rod is in threaded connection with the third adjusting plate, the third screw rod drives the third adjusting plate to move transversely, the third screw rod is connected with a second width adjusting motor, the second width adjusting motor is fixed on the blanking bottom plate, and the second width adjusting motor drives the third screw rod to rotate,
fifth side backup pad with be provided with the second pivot between the sixth side backup pad, the second pivot is passed the third regulating plate, fifth side backup pad is provided with fifth belt conveying subassembly, the third regulating plate be provided with the relative sixth belt conveying subassembly that sets up of fifth belt conveying subassembly, fifth belt conveying subassembly with sixth belt conveying subassembly respectively with the second pivot is connected, the second pivot drives fifth belt conveying subassembly with sixth belt conveying subassembly rotates in step, the second pivot is connected with the second rotation motor, the second rotates the motor and fixes on the unloading bottom plate, the second rotates the motor and drives the second pivot is rotated.
Furthermore, the second transverse moving module comprises a second transverse sliding rail, a second lead screw motor and a second lead screw, the second transverse slide rail and the second lead screw motor are fixed on the frame, two ends of the second lead screw are provided with second bearing blocks, the second bearing block is fixed on the frame, the second lead screw is connected with the second lead screw motor, the second screw motor drives the second screw to rotate, a second sliding block and a second fixed block are arranged at the bottom of the blanking bottom plate, the second sliding block is arranged on the second transverse sliding rail and transversely moves along the second transverse sliding rail, the second fixing block is provided with a second threaded hole matched with the second lead screw, the second lead screw penetrates through the second threaded hole, and the second lead screw drives the second fixing block to move transversely.
Furthermore, the feeding end of the fifth side supporting plate is provided with a first air cylinder, the first air cylinder is provided with a first fixing piece, the first air cylinder drives the first fixing piece to longitudinally reciprocate, the first fixing piece is provided with a third rotating motor, the third rotating motor is provided with a first power gear matched with the first power gear, the third rotating motor drives the first power gear to rotate, when the first power gear is meshed with the first power gear, the first power gear drives the first power gear to rotate,
a second air cylinder is arranged at the feeding end of the third adjusting plate, a second fixing piece is arranged on the second air cylinder, the second air cylinder drives the second fixing piece to longitudinally reciprocate, a fourth rotating motor is arranged on the second fixing piece, a second power gear matched with the second power-assisted gear is arranged on the fourth rotating motor, the fourth rotating motor drives the second power gear to rotate, and when the second power gear is meshed with the second power-assisted gear, the second power gear drives the second power-assisted gear to rotate,
the feeding end of the sixth side supporting plate is provided with a third cylinder, the third cylinder is provided with a pushing block matched with the baffle, the third cylinder drives the pushing block to longitudinally reciprocate, and when the pushing block is in contact with the baffle, the baffle moves upwards.
The invention has the beneficial effects that:
1. two independently operating vacuum heating modules are adopted for defoaming, so that the working efficiency is high, and mutual interference can be avoided; the heating box body of the vacuum heating module adopts a laminated plate structure, so that a plurality of plates can be conveniently filled by removing bubbles at one time, and the working efficiency is accelerated; the vacuum cavity of the vacuum heating module is fixed in the bottom space of the rack, so that the space can be utilized to the maximum extent, and the physical quality of the equipment is reduced;
2. the feeding module, the discharging module and the heating box body are provided with width adjusting devices, so that the PCBA board feeding device is suitable for PCBA boards of different sizes, and the universality is strong;
3. the feeding module is provided with a material pushing device which can push the PCBA board into the heating box body completely, so that the tail part of the PCBA board is prevented from entering the heating box body incompletely, and the PCBA board is prevented from being damaged when entering the vacuum cavity; the heating box body is provided with baffle mechanism, can prevent PCBA board roll-off heating box body.
4. The conveying mechanism of the feeding module, the blanking module and the vacuum heating module adopts an in-line polyurethane wheel for carrying and conveying, so that the bearing and surface friction can be enhanced, and the conveying speed is increased.
Drawings
FIG. 1 is a first schematic structural diagram according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a feeding module according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic structural diagram of a heating box according to an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4;
fig. 6 is a schematic structural diagram of a blanking module according to an embodiment of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6;
FIG. 8 is a schematic view of an internal structure of a rack according to an embodiment of the present invention;
FIG. 9 is a second schematic structural diagram according to an embodiment of the present invention;
in the figure, 1, a frame; 2. a feeding module; 3. a blanking module; 4. a vertical motion module; 5. a vacuum heating module; 6. PCBA board; 7. a protective outer cover;
11. a vacuum cavity mounting rack;
21. a first conveying mechanism; 22. a first transverse motion module; 211 feeding base plate; 212. a first side support plate; 213. a second side support plate; 214. a first adjusting plate; 215. a first screw; 216. a first width-adjusting motor; 217. a first rotating shaft; 218. a first rotating electric machine; 221. a first transverse slide rail; 222. a first lead screw motor; 223. a first lead screw; 224. a first bearing housing; 2131. a second belt transport assembly; 2141. a first belt transport assembly; 2142. a rodless cylinder; 2143. a longitudinal slide block; 2144. a rotating cylinder; 2145. a material pushing plate;
31. a third transport mechanism; 32. a second transverse motion module; 311 blanking bottom plate; 312. a third side support plate; 313. a fourth side support plate; 314. a third adjusting plate; 315. a third screw; 316. a second width modulation motor; 317. a second rotating shaft; 318. a second rotating electric machine; 321. a second transverse slide rail; 322. a second lead screw motor; 323. a second lead screw; 324. a second bearing housing; 3131. a second belt transport assembly; 3132. a second cylinder; 3133. a second fixing member; 3134. a fourth rotating electric machine; 3135. a second power gear; 3136. a third cylinder; 3137. a push block; 3141. a first belt transport assembly; 3142. a first cylinder; 3143. a first fixing member; 3144 a third rotating electric machine; 3145. a first power gear;
41. a motion arm;
51. a vacuum chamber; 52. heating the box body; 521. a top plate; 522. a third side support plate; 523. a fourth side support plate; 524. heating plates; 525. a second adjusting plate; 526. a second screw; 5231. a fourth belt transport assembly; 5232. a second boosting gear is arranged; 5251. a third belt transport assembly; 5252. a vertical slide rail; 5253. a baffle plate; 5254. a first power assist gear;
71. a three-color alarm lamp; 72. a scram switch; 73. a vacuum gauge; 74. a touch display screen; 75. a side door.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1-8, an embodiment of the present invention provides a vacuum defoaming machine, which includes a frame 1, and a feeding module 2, a discharging module 3, a vertical movement module 4 and two transversely disposed vacuum heating modules 5 fixed on the frame 1, wherein the feeding module 2 and the discharging module 3 are respectively disposed on front and rear sides of the two vacuum heating modules 5, and the vertical movement module 4 is disposed between the two transversely disposed vacuum heating modules 5. The feeding module 2 comprises a first conveying mechanism 21 and a first transverse movement module 22, the first conveying mechanism 21 drives the PCBA 6 to move longitudinally, the first transverse movement module 22 is fixed on the rack 1, and the first transverse movement module 22 drives the first conveying mechanism 21 to move transversely on the rack 1. Vacuum heating module 5 includes vacuum cavity 51 and heating box 52, and vacuum cavity 51 sets up in the vacuum cavity mounting bracket 11 of frame 1, and heating box 52 is connected with vertical motion module 4, and vertical motion module 4 drives heating box 52 vertical motion in vacuum cavity 51, and heating box 52 is provided with heating element and first transport mechanism 21, and second transport mechanism drives PCBA 6 longitudinal movement. The blanking module 3 comprises a third conveying mechanism 31 and a second transverse movement module 32, the third conveying mechanism 31 drives the PCBA 6 to move longitudinally, the second transverse movement module 32 is fixed on the rack 1, and the second transverse movement module 32 drives the third conveying mechanism 31 to move transversely on the rack 1.
As shown in fig. 2, the first conveying mechanism 21 includes a loading base plate 211, a first side supporting plate 212, a second side supporting plate 213, and a first adjusting plate 214 disposed between the first side supporting plate 212 and the second side supporting plate 213, and the first side supporting plate 212 and the second side supporting plate 213 are respectively fixed to left and right sides of the loading base plate 211.
A first screw 215 is arranged between the first side supporting plate 212 and the second side supporting plate 213, the first screw 215 is in threaded connection with a first adjusting plate 214, the first screw 215 drives the first adjusting plate 214 to move transversely, the first screw 215 is connected with a first width adjusting motor 216, the first width adjusting motor 216 is fixed on the feeding bottom plate 211, and the first width adjusting motor 216 drives the first screw 215 to rotate, so that the first adjusting plate 214 is driven to move transversely, and the adjustment of the distance between the first adjusting plate 214 and the second side supporting plate 213 is realized.
A first rotating shaft 217 is arranged between the first side supporting plate 212 and the second side supporting plate 213, the first rotating shaft 217 penetrates through the first adjusting plate 214, the first adjusting plate 214 is provided with a first belt conveying assembly 2141, the second side supporting plate 213 is provided with a second belt conveying assembly 2131 arranged opposite to the first belt conveying assembly 2141, the first belt conveying assembly 2141 and the second belt conveying assembly 2131 are respectively connected with the first rotating shaft 217, the first rotating shaft 217 drives the first belt conveying assembly 2141 and the second belt conveying assembly 2131 to synchronously rotate, the first rotating shaft 217 is connected with a first rotating motor 218, the first rotating motor 218 is fixed on the loading bottom plate 211, and the first rotating motor 218 drives the first rotating shaft 217 to rotate, so as to drive the first belt conveying assembly 2141 and the second belt conveying assembly 2131 to rotate.
Further, the first transverse moving module 22 includes a first transverse sliding rail 221, a first lead screw motor 222 and a first lead screw 223, the first transverse sliding rail 221 and the first lead screw motor 222 are fixed on the frame 1, two ends of the first lead screw 223 are provided with first bearing seats 224, the first bearing seats 224 are fixed on the frame 1, the first lead screw 223 is connected with the first lead screw motor 222, the first lead screw motor 222 drives the first lead screw 223 to rotate, the bottom of the feeding bottom plate 211 is provided with a first sliding block and a first fixing block, the first sliding block transversely moves along the first transverse sliding rail 221, the first fixing block is provided with a first threaded hole matched with the first lead screw 223, the first lead screw 223 penetrates through the first threaded hole, the first lead screw 223 drives the first fixing block to transversely move, thereby driving the feeding bottom plate 211 to move transversely, and realizing the switching of the first conveying mechanism 21 between the two vacuum heating modules 5.
As shown in fig. 3, a rodless cylinder 2142 is disposed at the discharge end of the first adjusting plate 214, a rotary cylinder 2144 and a material pushing plate 2145 are disposed on a longitudinal sliding block 2143 of the rodless cylinder 2142, the rotary cylinder 2144 is connected to the material pushing plate 2145, and the rotary cylinder 2144 drives the material pushing plate 2145 to rotate. When the PCBA board 6 is pushed over half over the first belt conveying assembly 2141 and the second belt conveying assembly 2131, the rotating cylinder 2144 rotates the material pushing plate 2145, so that the material pushing plate 2145 is perpendicular to the PCBA board 6, and the PCBA board 6 is pushed into the heating box 52 completely under the driving of the longitudinal sliding block 2143 of the rodless cylinder 2142, thereby preventing the tail of the PCBA board 6 from entering the heating box 52 completely and damaging the PCBA board 6 when entering the vacuum cavity 51.
As shown in fig. 4, the heating cabinet 52 includes a top plate 521, a third side support plate 522, a fourth side support plate 523, a plurality of heating plates 524 disposed between the third side support plate 522 and the fourth side support plate 523 and stacked in sequence in a vertical direction, and a second regulation plate 525 disposed between the third side support plate 522 and the fourth side support plate 523.
The third side supporting plate 522 and the fourth side supporting plate 523 are respectively fixed to the left side and the right side of the top plate 521, the top plate 521 is connected with the moving arm 41 of the vertical moving module 4, the moving arm 41 drives the top plate 521 to vertically move, a second screw 526 is arranged between the third side supporting plate 522 and the fourth side supporting plate 523, the second screw 526 is in threaded connection with the second adjusting plate 525, the second screw 526 drives the second adjusting plate 525 to transversely move, and the adjustment of the distance between the second adjusting plate 525 and the third side supporting plate 522 is achieved.
The third and fourth side support plates 525 and 523 are provided with a plurality of third and fourth belt conveyor assemblies 5251 and 5231 respectively, and each heating plate 524 is provided with a set of third and fourth belt conveyor assemblies 5251 and 5231 respectively, which are opposite to each other, so that the PCBA plate 6 in the heating box 52 is heated more uniformly.
As shown in fig. 5, further, a plurality of baffle mechanisms are arranged on the second adjusting plate 525, each baffle mechanism includes a vertical slide rail 5252 and a baffle 5253 disposed on the vertical slide rail 5252, the vertical slide rail 5252 is fixed on the second adjusting plate 525 and located at the discharge end of the third belt conveying assembly 5251, the baffle 5253 vertically moves along the vertical slide rail 5252, and the design of the baffle mechanism can prevent the PCBA plate 6 from sliding out of the heating box 52 when the heating box 52 is loaded.
Further, a first power gear 5254 is disposed at the discharge end of the third belt conveying assembly 5251, the first power gear 5254 drives the third belt conveying assembly 5251 to rotate, a second power gear 5232 is disposed at the discharge end of the fourth belt conveying assembly 5231, and the second power gear 5232 drives the fourth belt conveying assembly 5231 to rotate.
As shown in fig. 6, the third conveying mechanism 31 includes a blanking bottom plate 311, a fifth side support plate 312, a sixth side support plate 313, and a third adjustment plate 314 disposed between the fifth side support plate 312 and the sixth side support plate 313, and the fifth side support plate 312 and the sixth side support plate 313 are fixed to the left and right sides of the blanking bottom plate 311, respectively. A third screw 315 is arranged between the sixth side supporting plate 313 and the third adjusting plate 314, the third screw 315 is in threaded connection with the third adjusting plate 314, the third screw 315 drives the third adjusting plate 314 to move transversely, the third screw 315 is connected with a second width adjusting motor 316, the second width adjusting motor 316 is fixed on the blanking bottom plate 311, and the second width adjusting motor 316 drives the third screw 315 to rotate, so that the adjustment of the distance between the third adjusting plate 314 and the sixth side supporting plate 313 is realized.
A second rotating shaft 317 is arranged between the fifth side support plate 312 and the sixth side support plate 313, the second rotating shaft 317 passes through the third adjusting plate 314, the fifth side support plate 312 is provided with a fifth belt conveying component 3121, the third adjusting plate 314 is provided with a sixth belt conveying component 3141 arranged opposite to the fifth belt conveying component 3121, the fifth belt conveying component 3121 and the sixth belt conveying component 3141 are respectively connected with the second rotating shaft 317, the fifth belt conveying component 3121 and the sixth belt conveying component 3141 are driven by the second rotating shaft 317 to synchronously rotate, the second rotating shaft 317 is connected with a second rotating motor 318, the second rotating motor 318 is fixed on the blanking bottom plate 311, and the second rotating motor 318 drives the second rotating shaft 317 to rotate, so as to drive the fifth belt conveying component 3121 and the sixth belt conveying component 3141 to rotate.
The second lateral motion module 32 includes a second lateral slide rail 321, a second screw motor 322 and a second screw 323, the second transverse sliding rail 321 and the second screw motor 322 are fixed on the frame 1, second bearing seats 324 are provided at two ends of the second screw 323, the second bearing seats 324 are fixed on the frame 1, the second screw 323 is connected with the second screw motor 322, the second screw motor 322 drives the second screw 323 to rotate, a second slider and a second fixed block are provided at the bottom of the blanking bottom plate 311, the second slider is disposed on the second transverse sliding rail 321, the second slider transversely moves along the second transverse sliding rail 321, the second fixed block is provided with a second threaded hole matched with the second screw 323, the second screw 323 passes through the second threaded hole, the second screw 323 drives the second fixed block to transversely move, thereby realizing the switching of the third conveying mechanism 31 between the two vacuum heating modules 5.
Further, a first cylinder 3142 is disposed at a feeding end of the third adjusting plate 314, a first fixing member 3143 is disposed on the first cylinder 3142, the first cylinder 3142 drives the first fixing member 3143 to reciprocate longitudinally, the first fixing member 3143 is disposed on a third rotating motor 3144, the third rotating motor 3144 is provided with a first power gear 3145 engaged with the first power gear 5254, the third rotating motor 3144 drives the first power gear 3145 to rotate, and when the first power gear 3145 is engaged with the first power gear 5254, the first power gear 3145 drives the first power gear 5254 to rotate, so as to drive the fifth belt transmission assembly 3121 to rotate. Specifically, after the heating box 52 is heated, the third transmission mechanism 31 of the blanking module 3 moves to the discharging end of the heating box 52, the first cylinder 3142 pushes out the first fixing member 3143, so that the first power gear 3145 on the first fixing member 3143 is engaged with the first power gear 3145, and the third rotating motor 3144 is started, so that the fifth belt transmission assembly 3121 rotates.
As shown in fig. 7, further, a second cylinder 3132 is disposed at a feeding end of the sixth side support plate 313, a second fixing element 3133 is disposed on the second cylinder 3132, the second cylinder 3132 drives the second fixing element 3133 to reciprocate longitudinally, a fourth rotating motor 3134 is disposed on the second fixing element 3133, a second power gear 3135 matched with the second power gear 5232 is disposed on the fourth rotating motor 3134, the fourth rotating motor 3134 drives the second power gear 3135 to rotate, and when the second power gear 3135 is engaged with the second power gear 5232, the second power gear 3135 drives the second power gear 5232 to rotate. Specifically, after the heating box 52 is heated, the third transmission mechanism 31 of the blanking module 3 moves to the discharging end of the heating box 52, the second cylinder 3132 pushes the second fixing element 3133 out, the second power gear 3135 on the second fixing element 3133 is engaged with the second power gear 3135, and the fourth rotating motor 3134 is activated, so that the sixth belt transmission element 3141 rotates.
The feeding end of the sixth side supporting plate 313 is provided with a third cylinder 3136, the third cylinder 3136 is provided with a push block 3137 which is matched with the baffle 5253, the third cylinder 3136 drives the push block 3137 to move back and forth longitudinally, and when the push block 3137 is contacted with the baffle 5253, the baffle 5253 moves upwards. Wherein, the contact portion of the push block 3137 and the baffle 5253 is provided with an upward slope, and when the push block 3137 contacts the baffle 5253, the baffle 5253 moves up along the slope of the push block 3137. Specifically, after the heating box 52 is heated, the third transport mechanism 31 of the blanking module 3 moves to the discharge end of the heating box 52, and the third cylinder 3136 pushes the push block 3137 out, so that the baffle 5253 moves up along the inclined surface of the push block 3137, thereby releasing the block on the PCBA board 6 and smoothly transporting the PCBA board 6 to the blanking module 3.
Further, the first belt conveyer assembly 2141, the second belt conveyer assembly 2131, the third belt conveyer assembly 5251, the fourth belt conveyer assembly 5231, the fifth belt conveyer assembly 3121 and the sixth belt conveyer assembly 3141 are all conveyed by in-line polyurethane bearings, which can enhance the bearing and surface friction and increase the conveying speed.
As shown in fig. 8, each vacuum chamber 51 is communicated with a vacuum pump 52 to avoid interference, and the pumping holes of the vacuum pumps are arranged in the middle of the vacuum chambers 51 to prevent large particles or impurities from entering the pumps.
As shown in fig. 9, the vacuum bubble removing machine further comprises a protective cover 7, wherein the protective cover 7 is arranged above the frame 1, and the protective cover 7 is provided with a three-color alarm lamp 71, an emergency stop switch 72, a vacuum gauge 73, a touch display screen 74 and two side doors 75 arranged at two ends of the machine frame.
The working principle is as follows:
placing the PCBA into a feeding module, and conveying the PCBA into a heating box body of a first vacuum heating module by the feeding module until the heating box body is filled (if the heating box body of the first vacuum heating module is filled, moving the PCBA to the heating box body of a second vacuum heating module for filling); starting the heating plate to heat the PCBA in the heating box body to a set temperature, and then moving the heating box body downwards into the vacuum cavity through the vertical movement module to seal the PCBA in the vacuum cavity; starting a vacuum pump to remove bubbles; after the bubble removal is finished, the heating box body is moved upwards through the vertical movement module, and blanking is carried out through the blanking module (if one vacuum cavity is in the bubble removal process and the other vacuum cavity is subjected to the bubble removal, the blanking module is preferentially moved to the vacuum cavity for blanking after the bubble removal is finished).
The invention has the beneficial effects that:
1. two independently operating vacuum heating modules are adopted for defoaming, so that the working efficiency is high, and mutual interference can be avoided; the heating box body of the vacuum heating module adopts a laminated plate structure, so that a plurality of plates can be conveniently filled by removing bubbles at one time, and the working efficiency is accelerated; the vacuum cavity of the vacuum heating module is fixed in the bottom space of the rack, so that the space can be utilized to the maximum extent, and the physical quality of the equipment is reduced;
2. the feeding module, the discharging module and the heating box body are provided with width adjusting devices, so that the PCBA board feeding device is suitable for PCBA boards of different sizes, and the universality is strong;
3. the feeding module is provided with a material pushing device which can push the PCBA board into the heating box body completely, so that the tail part of the PCBA board is prevented from entering the heating box body incompletely, and the PCBA board is prevented from being damaged when entering the vacuum cavity; the heating box body is provided with baffle mechanism, can prevent PCBA board roll-off heating box body.
4. The conveying mechanism of the feeding module, the blanking module and the vacuum heating module adopts an in-line polyurethane wheel for carrying and conveying, so that the bearing and surface friction can be enhanced, and the conveying speed is increased.
5. The invention has high automation degree, greatly reduces manual operation and further improves the yield of products.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
The invention is described above with reference to the accompanying drawings, which are illustrative, and it is obvious that the implementation of the invention is not limited in the above manner, and it is within the scope of the invention to adopt various modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other fields without modification.
Claims (10)
1. A vacuum defoaming machine is characterized by comprising a frame, a feeding module, a discharging module, a vertical moving module and two transversely arranged vacuum heating modules, wherein the feeding module, the discharging module, the vertical moving module and the two transversely arranged vacuum heating modules are fixed on the frame, the feeding module and the discharging module are respectively arranged at the front side and the rear side of the two vacuum heating modules, the vertical moving module is arranged between the two transversely arranged vacuum heating modules,
the feeding module comprises a first conveying mechanism and a first transverse moving module, the first conveying mechanism drives the PCBA to move longitudinally, the first transverse moving module is fixed on the rack and drives the first conveying mechanism to move transversely on the rack,
the vacuum heating module comprises a vacuum cavity and a heating box body, the vacuum cavity is arranged in a vacuum cavity mounting rack of the rack, the heating box body is connected with the vertical movement module, the vertical movement module drives the heating box body to vertically move in the vacuum cavity, the heating box body is provided with a heating component and a second conveying mechanism, the second conveying mechanism drives the PCBA plate to longitudinally move,
the blanking module comprises a third conveying mechanism and a second transverse movement module, the third conveying mechanism drives the PCBA to move longitudinally, the second transverse movement module is fixed on the rack, and the second transverse movement module drives the third conveying mechanism to move transversely on the rack.
2. The vacuum defoaming machine according to claim 1, wherein the first conveying mechanism comprises a feeding base plate, a first side supporting plate, a second side supporting plate and a first adjusting plate disposed between the first side supporting plate and the second side supporting plate, the first side supporting plate and the second side supporting plate are respectively fixed on the left and right sides of the feeding base plate,
a first screw rod is arranged between the first side supporting plate and the second side supporting plate, the first screw rod is in threaded connection with the first adjusting plate, the first screw rod drives the first adjusting plate to move transversely, the first screw rod is connected with a first width adjusting motor, the first width adjusting motor is fixed on the feeding bottom plate, the first width adjusting motor drives the first screw rod to rotate,
first side support plate with be provided with first pivot between the second side support plate, first pivot is passed first regulating plate, first regulating plate is provided with first belt conveying subassembly, second side support plate be provided with the relative second belt conveying subassembly that sets up of first belt conveying subassembly, first belt conveying subassembly with second belt conveying subassembly respectively with first pivot is connected, first pivot drives first belt conveying subassembly with the synchronous rotation of second belt conveying subassembly, first pivot is connected with first rotating motor, first rotating motor is fixed on the material loading bottom plate, first rotating motor drives first pivot rotates.
3. The vacuum defoaming machine according to claim 2, wherein the first transverse movement module comprises a first transverse slide rail, a first lead screw motor and a first lead screw, the first transverse slide rail and the first lead screw motor are fixed on the frame, two ends of the first lead screw are provided with first bearing seats, the first bearing seat is fixed on the frame, the first lead screw is connected with the first lead screw motor, the first lead screw motor drives the first lead screw to rotate, the bottom of the feeding bottom plate is provided with a first sliding block and a first fixed block, the first sliding block transversely moves along the first transverse sliding rail, the first fixed block is provided with a first threaded hole matched with the first lead screw, the first lead screw penetrates through the first threaded hole, and the first lead screw drives the first fixing block to move transversely.
4. The vacuum defoaming machine according to claim 2, wherein a rodless cylinder is arranged at the discharge end of the first adjusting plate, a rotary cylinder and a material pushing plate are arranged on a longitudinal slide block of the rodless cylinder, the rotary cylinder is connected with the material pushing plate, and the rotary cylinder drives the material pushing plate to rotate.
5. The vacuum defoaming machine according to claim 1, wherein the heating cabinet includes a top plate, a third side support plate, a fourth side support plate, a plurality of heating plates disposed between the third side support plate and the fourth side support plate and stacked in sequence in a vertical direction, and a second regulating plate disposed between the third side support plate and the fourth side support plate,
the third side supporting plate and the fourth side supporting plate are respectively fixed at the left side and the right side of the top plate, the top plate is connected with a moving arm of the vertical moving module, the moving arm drives the top plate to vertically move, a second screw rod is arranged between the third side supporting plate and the fourth side supporting plate, the second screw rod is in threaded connection with the second adjusting plate, and the second screw rod drives the second adjusting plate to transversely move,
the second adjusting plate is provided with a plurality of third belt conveying assemblies, the fourth side supporting plate is provided with a plurality of fourth belt conveying assemblies opposite to the third belt conveying assemblies, and a group of third belt conveying assemblies and the fourth belt conveying assemblies opposite to each other are arranged above each heating plate.
6. The vacuum debubbler of claim 5, which
Characterized in that, be equipped with a plurality of baffle mechanisms on the second regulating plate, baffle mechanism includes vertical slide rail and sets up baffle on the vertical slide rail, vertical slide rail is fixed just be located third belt conveying assembly's discharge end on the second regulating plate, the baffle along vertical motion of vertical slide rail.
7. The vacuum defoaming machine according to claim 6, wherein a first power-assisted gear is arranged at the discharge end of the third belt conveying component and drives the third belt conveying component to rotate, and a second power-assisted gear is arranged at the discharge end of the fourth belt conveying component and drives the fourth belt conveying component to rotate.
8. The vacuum defoaming machine according to claim 7, wherein the third conveying mechanism comprises a blanking bottom plate, a fifth side support plate, a sixth side support plate and a third adjusting plate disposed between the fifth side support plate and the sixth side support plate, the fifth side support plate and the sixth side support plate are respectively fixed at the left and right sides of the blanking bottom plate,
a third screw rod is arranged between the sixth side supporting plate and the third adjusting plate, the third screw rod is in threaded connection with the third adjusting plate, the third screw rod drives the third adjusting plate to move transversely, the third screw rod is connected with a second width adjusting motor, the second width adjusting motor is fixed on the blanking bottom plate, and the second width adjusting motor drives the third screw rod to rotate,
fifth side backup pad with be provided with the second pivot between the sixth side backup pad, the second pivot is passed the third regulating plate, fifth side backup pad is provided with fifth belt conveying subassembly, the third regulating plate be provided with the relative sixth belt conveying subassembly that sets up of fifth belt conveying subassembly, fifth belt conveying subassembly with sixth belt conveying subassembly respectively with the second pivot is connected, the second pivot drives fifth belt conveying subassembly with sixth belt conveying subassembly rotates in step, the second pivot is connected with the second rotation motor, the second rotates the motor and fixes on the unloading bottom plate, the second rotates the motor and drives the second pivot is rotated.
9. The vacuum defoaming machine according to claim 8, wherein the second transverse movement module comprises a second transverse slide rail, a second lead screw motor and a second lead screw, the second transverse slide rail and the second lead screw motor are fixed on the frame, two ends of the second lead screw are provided with second bearing seats, the second bearing seats are fixed on the frame, the second lead screw is connected with the second lead screw motor, the second lead screw motor drives the second lead screw to rotate, the bottom of the blanking bottom plate is provided with a second sliding block and a second fixed block, the second sliding block is arranged on the second transverse slide rail, the second sliding block transversely moves along the second transverse slide rail, the second fixed block is provided with a second threaded hole matched with the second lead screw, and the second lead screw passes through the second threaded hole, the second lead screw drives the second fixed block to move transversely.
10. The vacuum defoaming machine according to claim 8, wherein a first air cylinder is provided at the feeding end of the third regulating plate, a first fixing member is provided on the first air cylinder, the first air cylinder drives the first fixing member to reciprocate longitudinally, a third rotating motor is provided on the first fixing member, a first power gear matched with the first power gear is provided on the third rotating motor, the third rotating motor drives the first power gear to rotate, when the first power gear is engaged with the first power gear, the first power gear drives the first power gear to rotate,
a second air cylinder is arranged at the feeding end of the sixth side supporting plate, a second fixing piece is arranged on the second air cylinder, the second air cylinder drives the second fixing piece to longitudinally reciprocate, a fourth rotating motor is arranged on the second fixing piece, a second power gear matched with the second power-assisted gear is arranged on the fourth rotating motor, the fourth rotating motor drives the second power gear to rotate, when the second power gear is meshed with the second power-assisted gear, the second power gear drives the second power-assisted gear to rotate,
the feeding end of the sixth side supporting plate is provided with a third cylinder, the third cylinder is provided with a pushing block matched with the baffle, the third cylinder drives the pushing block to longitudinally reciprocate, and when the pushing block is in contact with the baffle, the baffle moves upwards.
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| CN201911152737.4A CN110876860B (en) | 2019-11-22 | 2019-11-22 | Vacuum bubble removing machine |
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| CN110876860B (en) | 2024-05-31 |
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