CN114535148B - Pressure measurement device suitable for gravity type separator - Google Patents
Pressure measurement device suitable for gravity type separator Download PDFInfo
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- CN114535148B CN114535148B CN202210046105.5A CN202210046105A CN114535148B CN 114535148 B CN114535148 B CN 114535148B CN 202210046105 A CN202210046105 A CN 202210046105A CN 114535148 B CN114535148 B CN 114535148B
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- 230000005484 gravity Effects 0.000 title claims abstract description 25
- 238000009530 blood pressure measurement Methods 0.000 title claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 25
- 229910052802 copper Inorganic materials 0.000 claims description 25
- 239000010949 copper Substances 0.000 claims description 25
- 238000001125 extrusion Methods 0.000 claims description 25
- 230000006698 induction Effects 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 22
- 230000000903 blocking effect Effects 0.000 claims description 20
- 239000000919 ceramic Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000003044 adaptive effect Effects 0.000 claims description 9
- 238000013519 translation Methods 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 27
- 230000009286 beneficial effect Effects 0.000 description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000005291 magnetic effect Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/012—Soldering with the use of hot gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/018—Unsoldering; Removal of melted solder or other residues
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C2301/00—Sorting according to destination
- B07C2301/0008—Electronic Devices, e.g. keyboard, displays
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a pressure measuring device suitable for a gravity separator, which comprises: the device comprises a pressure measuring seat, a driving device, a pressing device and a controller; the pressure measuring seat is arranged below the pressing device, the driving device is arranged above the pressing device, and the pressing device and the driving device are electrically connected with the controller. The pressing device suitable for the gravity separator can enable the pins of the chip and the pressing seat to have enough contact area and contact force, and the pressing seat can enable the pressing device not to limit the size and the model of a product to be tested, and only a specific pressing seat is required to be customized according to the product to be tested, so that the pressing device has higher utilization rate, no separate customization of the pressing machine is required, and the testing cost is reduced.
Description
Technical Field
The invention relates to the technical field of chip packaging test, in particular to a pressure testing device suitable for a gravity type sorting machine.
Background
The existing chip test equipment is in a clamping mode, but because part of products are required to be in high contact and short in line distance, a plurality of installation test boards for audio products cannot be produced in a gravity type (a turret machine rotates in a gravity type), so that the machine is high in limitation on the product types, and the utilization rate of the machine is low. Therefore, there is a need for a pressure measurement device suitable for use in a gravity separator that at least partially addresses the problems of the prior art.
Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the invention is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides a pressure measurement device suitable for a gravity separator, including: the device comprises a pressure measuring seat, a driving device, a pressing device and a controller; the pressure measuring seat is arranged below the pressing device, the driving device is arranged above the pressing device, and the pressing device and the driving device are electrically connected with the controller.
Preferably, the driving device comprises a driving motor and a cam, the cam is arranged on the driving motor, the cam is abutted with the pressing device, and the driving motor is electrically connected with the controller.
Preferably, the device also comprises a material blocking cylinder and a material blocking swing arm; the material blocking cylinder is arranged on the side wall of the pressing device, the material blocking swing arm is connected with the material blocking cylinder, and the material blocking cylinder is electrically connected with the controller.
Preferably, the pressing device comprises a pressure assembly, wherein the pressure assembly comprises a pressing cylinder, a piston piece and a contact assembly; the piston piece sets up in the cylinder that pushes down, the top of piston piece runs through the top of cylinder that pushes down and with the cam butt, the top of cylinder that pushes down pass through the bolster with the top of piston piece is connected, the contact assembly sets up the bottom of cylinder that pushes down, the pressure measurement seat sets up the below of contact assembly, the cylinder that pushes down with the controller electricity is connected.
Preferably, the pressing device further comprises a support, a movable frame and two pressure assemblies; the support piece is arranged on the mounting platform, a translation sliding rail is arranged on the side wall of the support piece, the movable frame is connected with the support piece through the translation sliding rail, a pressing sliding rail is arranged on the side wall of the movable frame, the side wall of the pressing cylinder is connected with the side wall of the movable frame through the pressing sliding rail, and the movable frame is electrically connected with the controller.
Preferably, the contact assembly comprises a plurality of pressing ceramics and contacts; the pressing ceramics are positioned at two sides of the contact, the pressing ceramics correspond to the pin positions of the chip, and the contact corresponds to the chip.
Preferably, the pressure measuring seat comprises a base and a lapping table; the base is arranged on the mounting platform, the lap joint table is arranged on the base, and the lap joint table is provided with a placement groove and a plurality of lead grooves; the connection part of the lead groove and the placement groove is provided with a pressing table, the pressing table is matched with the position and the shape of the pressed ceramic, a lead is arranged in the lead groove, and the lead is led to the outside of the pressing seat from the pressing table through the lead groove.
Preferably, the pressure measurement device further comprises a self-adapting device, the self-adapting device is arranged on the mounting platform and is in butt joint with the base, a hot air component is arranged on the self-adapting device, the hot air component is adapted to the position of the wire guide groove, and the hot air component is electrically connected with the controller.
Preferably, the self-adaptive device comprises a lower plate, a side plate, an upper plate, a raised shaft plate, a reset piece and a squeezing block;
the convex character shaft plate is arranged on the bottom surface of the lower plate and is connected with the mounting platform shaft;
the lower plate is connected with the upper plate through a plurality of rib plates;
the upper plate and the lower plate are connected with the side plates, and the side plates are normal to the lower plate, the upper plate and the raised shaft plate;
connecting holes are formed in the lower plate and the side plates;
the extrusion block is connected with the upper plate through the reset piece;
the resetting piece comprises a limiting sliding sleeve, a sliding rod and an elastic piece;
the limiting sliding sleeve is arranged on the upper plate, and the sliding rod penetrates through the limiting sliding sleeve and is movably connected with the limiting sliding sleeve;
the upper end of the sliding rod is connected with the bottom of the extrusion block, and the lower end of the sliding rod penetrates through the limit sliding sleeve to be connected with the limit nut;
the elastic piece is arranged on the outer side of the sliding rod, one end of the elastic piece is connected with the bottom of the extrusion block, and the other end of the elastic piece is connected with the limiting sliding sleeve;
the hot air component is arranged in the extrusion block and penetrates through the top of the extrusion block.
Preferably, the hot air assembly comprises an air passage and a plurality of air guns; the two ends of the air passage penetrate through the extrusion block and are communicated with the outside, the air gun is arranged on the air passage, and the air gun is adapted to the position of the lead groove;
the air gun comprises a shell, an elastic air pipe, an air outlet nozzle, an air inlet nozzle, turbine blades, copper pipes, an induction coil and a transmission motor;
the shell is arranged on the air passage, the top of the shell is connected with the air outlet nozzle through the elastic air pipe, one end of the copper pipe is connected and communicated with the air outlet nozzle through the shaft, the other end of the copper pipe is connected with the air inlet nozzle, the air inlet nozzle penetrates through the bottom of the shell and extends into the air passage to be communicated with the air passage, the air inlet nozzle is movably connected with the shell, the turbine blades are arranged on the inner wall of the air inlet nozzle, the outer wall of the copper pipe is provided with a transmission piece, the transmission motor is connected with the copper pipe through the transmission piece, the induction coil is arranged on the shell and the inner wall of the elastic air pipe, and the transmission motor and the induction coil are electrically connected with the controller.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. according to the pressure testing device suitable for the gravity type sorting machine, when products with shorter wire distances like chips are tested, the chips with different wire distances can be adapted by replacing the pressure testing seats, the pressure testing seats are firstly arranged on the mounting platform, then the chips are placed on the pressure testing seats, then the pressure testing device is started through the controller, the driving device controls the pressing device to move to the corresponding position above the pressure testing seats, then the pressing device presses the chips, so that the pins of the chips and the pressure testing seats are stably and electrically connected, the chips are tested, after the test is completed, the pressing device is lifted, the chips are taken out to complete the test, the pressing device can enable the pins of the chips and the pressure testing seats to have enough contact areas and contact forces, the pressure testing device can not limit the size and the model of products to be tested, and only needs to customize specific pressure testing seats according to the products to be tested, therefore, the pressure testing device has higher utilization rate, and the test machine does not need to be independently and the test cost is reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a schematic structural diagram of a pressure measurement device suitable for a gravity separator according to the present invention.
Fig. 2 is a schematic structural diagram of a pressure measurement device suitable for a gravity separator according to the present invention.
Fig. 3 is a front view of a pressure measuring device suitable for use in a gravity separator according to the present invention.
Fig. 4 is a schematic structural view of a contact assembly in a pressure measurement device suitable for a gravity separator according to the present invention.
Fig. 5 is a schematic diagram of a pressure measurement chip in a pressure measurement device suitable for a gravity separator according to the present invention.
Fig. 6 is a schematic structural diagram of a pressure measuring seat in a pressure measuring device suitable for a gravity separator according to the present invention.
FIG. 7 is a photograph of the pressure measuring seat msop8-0.65mm model shown in FIG. 5.
FIG. 8 is a photograph of the pressure measuring seat msop10-0.5mm model shown in FIG. 5.
Fig. 9 is a schematic structural diagram of an adaptive device in a pressure measurement device suitable for a gravity separator according to the present invention.
Fig. 10 is a front view of an adaptive device in a pressure measuring device suitable for a gravity separator according to the present invention.
Fig. 11 is a sectional view in the direction a in fig. 10.
Fig. 12 is a schematic diagram of a structure of a side clamping of an adaptive assembly in a pressure measurement device for a gravity separator according to the present invention.
Fig. 13 is a schematic structural view of a hot air assembly in a pressure measurement device suitable for a gravity separator according to the present invention.
Fig. 14 is a schematic view of the structure of the gun of fig. 13.
Fig. 15 is a cross-sectional view of fig. 14.
Fig. 16 is a schematic view of hot air blown from a hot air component to a pressure measuring seat in a pressure measuring device suitable for a gravity separator according to the present invention.
In the figure: 1 press measuring seat, 11 base, 12 overlap joint platform, 121 setting groove, 122 wire guiding groove, 123 down pressing platform, 2 driving motor, 3 cam, 4 keep off material cylinder, 5 keep off material swing arm, 6 support piece, 61 translation slide rail, 7 moving frame, 71 down pressing slide rail, 8 pressure component, 81 down pressing cylinder, 82 piston piece, 83 contact component, 831 down pressing ceramic, 832 contact, 9 self-adapting device, 91 lower plate, 92 curb plate, 93 upper plate, 94 protruding word axle plate, 95 reset piece, 951 spacing sliding sleeve, 952 slide bar, 953 elastic piece, 96 extrusion piece, 97 gusset, 98 connecting hole, 10 hot air component, 101 air flue, 102 air gun, 201 casing, 202 elastic air pipe, 203 air outlet nozzle, 204 air inlet nozzle, 205 turbine blade, 206 copper pipe, 207 induction coil, 208 driving motor, 209 driving piece.
Detailed Description
The present invention is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 16, the present invention provides a pressure measuring device suitable for a gravity separator, comprising: the device comprises a pressure measuring seat 1, a driving device, a pressing device and a controller; the pressure measuring seat 1 is arranged below the pressing device, the driving device is arranged above the pressing device, and the pressing device and the driving device are electrically connected with the controller.
The technical scheme has the working principle and beneficial effects that: through the design of the structure, when testing products with shorter wire distances like chips, the chips with different wire distances can be adapted by replacing different pressure measuring seats 1, the pressure measuring seats 1 are firstly arranged on a mounting platform during testing, then the chips are placed on the pressure measuring seats 1, then the pressure measuring device is started through a controller, a driving device controls a pressing device to move to a corresponding position above the pressure measuring seats 1, then the pressing device presses the chips, pins of the chips and the pressure measuring seats 1 are stably electrically connected, then the chips are tested, after the testing is completed, the pressing device is lifted, the chips are taken out to complete the testing, the pressing device can enable the pins of the chips and the pressure measuring seats 1 to have enough contact areas and contact forces, the pressure measuring device can not limit the size and the model of the products to be tested, and only the specific pressure measuring seats 1 are required to be customized according to the products to be tested, so that the pressure measuring device has higher utilization rate, and no need to independently measure the cost.
In one embodiment, the driving device comprises a driving motor 2 and a cam 3, the cam 3 is arranged on the driving motor 2, the cam 3 is abutted with the pressing device, and the driving motor 2 is electrically connected with the controller. The pressure measuring device also comprises a material blocking cylinder 4 and a material blocking swing arm 5; the material blocking cylinder 4 is arranged on the side wall of the pressing device, the material blocking swing arm 5 is connected with the material blocking cylinder 4, and the material blocking cylinder 4 is electrically connected with the controller. In this embodiment, the pressing device further comprises a support 6, a mobile frame 7 and two pressure assemblies 8; the support piece 6 is arranged on the mounting platform, a translation sliding rail 61 is arranged on the side wall of the support piece 6, the movable frame 7 is connected with the support piece 6 through the translation sliding rail 61, a pressing sliding rail 71 is arranged on the side wall of the movable frame 7, the pressure component 8 is connected with the movable frame 7 through the pressing sliding rail 71, the cam 3 is abutted to the top of the pressure component 8, the pressure measuring seat 1 is arranged below the pressure component 8, and the movable frame 7 and the pressure component 8 are electrically connected with the controller.
The technical scheme has the working principle and beneficial effects that: through the design of the structure, after the pressure measuring seat 1 is installed when the chip is tested, the chip is placed on the pressure measuring seat 1, then the moving frame 7 drives the pressure component 8 to horizontally move to the upper side of the pressure measuring seat 1 along the translation sliding rail 61, meanwhile, the material blocking air cylinder 4 drives the material blocking swing arm 5 to limit the position of the chip on the pressure measuring seat 1, after the pressure component 8 horizontally moves to a designated position, the driving motor 2 drives the cam 3 to rotate, the cam 3 drives the pressure component 8 to downwardly move along the downward pressing track 71, and the pins of the chip are pressed, so that the pins of the chip can fully contact with the pressure measuring seat 1 and stable electric connection can be realized without wire welding, the driving motor 2 can realize reciprocating motion of the pressure component 8 through the cam 3, and the cam 3 can also limit the downward pressing stroke of the pressure component 8, so that the pins of the chip are prevented from being damaged by excessive downward pressing of the pressure component 8.
In one embodiment, the pressure assembly 8 includes a hold-down cylinder 81, a piston member 82, and a contact assembly 83; the lateral wall of pushing down the cylinder 81 through pushing down slide rail 71 with the lateral wall of moving the frame 7 is connected, piston 82 sets up in pushing down the cylinder 81, the top of piston 82 runs through the top of pushing down the cylinder 81 and with cam 3 butt, the top of pushing down the cylinder 81 through the bolster with the top of piston 82 is connected, contact assembly 83 sets up the bottom of pushing down the cylinder 81, the cylinder 81 of pushing down with the controller electricity is connected. The contact assembly 83 includes a plurality of pressing ceramics 831 and contacts 832; the pressing ceramics 831 are positioned at two sides of the contact 832, the pressing ceramics 831 correspond to the pin positions of the chip, and the contact 832 corresponds to the chip. The pressure measuring seat 1 comprises a base 11 and a lapping table 12; the base 11 is arranged on the mounting platform, the lapping table 12 is arranged on the base 11, and the lapping table 12 is provided with a placement groove 121 and a plurality of lead grooves 122; the connection part between the lead groove 122 and the placement groove 121 is provided with a pressing table 123, the pressing table 123 is adapted to the position and shape of the pressing ceramic 831, a lead is arranged in the lead groove 122, and the lead is led from the pressing table 123 to the outside of the pressing seat 1 through the lead groove 122.
The technical scheme has the working principle and beneficial effects that: through the design of above-mentioned structure, when placing the chip on pressing the seat 1, the pin of chip is placed on the lead wire of lower pressure stage 123, the chip then is located the top of mounting groove 121, when pressing the survey, the rotation of cam 3 drives piston 82 and moves down, piston 82 can compress the bolster in the time of moving down, it moves down along pushing down slide rail 71 simultaneously to drive down the cylinder 81, until the ceramic 831 that pushes down contacts the lead wire down, afterwards piston 82 still can continue to promote down the cylinder 81 down, piston 82 can not contact with the interior bottom of cylinder 81 down all the time, under the dual effect of the internal atmospheric pressure of cylinder 81 and bolster down, make down ceramic 831 and contact 832 that is located down cylinder 81 bottom can not produce rigid extrusion to chip and pin, thereby avoid causing the damage to the chip, stop driving motor 2 when cam 3 changes to extreme position and accomplish the pushing down and fixing of chip pin, the lead wire setting is in lead wire groove 122 and only down stage 123 part exposes outside and contacts with the pin, from this can improve the life of pressure stage 81 down, the life of pressure stage 1 appears when the seat is changed and the appearance of broken circuit is avoided.
In one embodiment, the pressure measurement device further comprises an adaptive device 9, the adaptive device 9 is arranged on the mounting platform and is in butt joint with the base 11, a hot air component 10 is arranged on the adaptive device 9, the hot air component 10 is adaptive to the position of the wire guide groove 122, and the hot air component 10 is electrically connected with the controller.
The technical scheme has the working principle and beneficial effects that: through the design of the structure, the self-adapting device 9 can be used for extruding the side wall of the pressure measuring seat 1 when the pressure measuring seat 1 is replaced, so that the pressure measuring seat 1 is prevented from shifting when the pressure component 8 applies pressure to a chip, after the self-adapting device 9 clamps the pressure measuring seat 1 from the side wall, the hot air component 10 corresponds to the position of the wire guide groove 122, and the effects of blowing hot air into the wire guide groove 122 and carrying out hot air resistance reduction and temporary fusion welding on the wire guide can be realized.
In one embodiment, the adaptive device 9 comprises a lower plate 91, a side plate 92, an upper plate 93, a cam shaft plate 94, a reset member 95 and a squeeze block 96;
the raised shaft plate 94 is arranged on the bottom surface of the lower plate 91 and is connected with the mounting platform shaft;
the lower plate 91 is connected with the upper plate 93 through a plurality of rib plates 97;
the upper plate 93 and the lower plate 91 are connected with the side plate 92, and the side plate 92 is normal to the lower plate 91, the upper plate 93 and the raised shaft plate 94;
the lower plate 91 and the side plate 92 are provided with connecting holes 98;
the extrusion block 96 is connected with the upper plate 93 through the reset piece 95;
the reset piece 95 comprises a limit sliding sleeve 951, a sliding rod 952 and an elastic piece 953;
the limiting sliding sleeve 951 is arranged on the upper plate 93, and the sliding rod 952 penetrates through the limiting sliding sleeve 951 and is movably connected with the limiting sliding sleeve 951;
the upper end of the sliding rod 952 is connected with the bottom of the extrusion block 96, and the lower end of the sliding rod 952 penetrates through the limit sliding sleeve 951 to be connected with a limit nut;
the elastic piece 953 is arranged at the outer side of the sliding rod 952, one end of the elastic piece 953 is connected with the bottom of the extrusion block 96, and the other end of the elastic piece 953 is connected with the limit sliding sleeve 951;
the hot air assembly 10 is disposed within the extrusion block 96 and extends through the top of the extrusion block 96.
The technical scheme has the working principle and beneficial effects that: through the design of the structure, according to the model and the size of the pressure measuring seat 1, the clamping position of the self-adapting device 9 can be adjusted, when the volume of the pressure measuring seat 1 is larger, the chip to be measured corresponding to the chip to be measured is a chip with a long line distance, the influence of the resistance of a lead wire on the chip to be measured is smaller during the test, the hot air assembly 10 is not needed at the moment, the self-adapting device 9 clamps the pressure measuring seat 1 vertically, namely, the lower plate 91 is fixed with the mounting platform through the connecting hole 98, and the side wall of the pressure measuring seat 1 is clamped and fixed through the rib plate 97 between the upper plate 93 and the lower plate 91 and the side plate 92; when the size and the size of the pressure measuring seat 1 are smaller, the self-adapting device 9 can be placed down to clamp the side wall of the pressure measuring seat 1, meanwhile, due to the fact that the size of the pressure measuring seat 1 is smaller, the chip to be measured corresponding to the pressure measuring seat 1 is a short-line distance chip, the influence of the resistance of a lead on the chip is also increased, at the moment, the hot air component 10 needs to be started to heat and reduce resistance of the lead, the self-adapting device 9 is turned over through the raised-word shaft plate 94 connected with the mounting platform, the side plate 92 is connected with the mounting platform through the connecting hole 98, at the moment, the self-adapting device 9 is in a side lying clamping state, the side wall of the pressure measuring seat 1 is extruded through the extrusion block 96 to fix the side wall of the pressure measuring seat 1, when the pressure measuring seat 1 is extruded by the extrusion block 96, the slide rod 952 slides into the limiting sliding sleeve 951, the elastic piece 953 is in a compression stress state, and after the pressure measuring seat 1 is taken out, the reset piece 95 can push the extrusion block 96 to reset, and the self-adapting device 9 can be suitable for the pressure measuring seat 1 with larger size.
In one embodiment, the hot air assembly 10 includes an air duct 101 and a number of air guns 102; the two ends of the air passage 101 penetrate through the extrusion block 96 and are communicated with the outside, the air gun 102 is arranged on the air passage 101, and the air gun 102 is matched with the position of the lead groove 122;
the air gun 102 comprises a shell 201, an elastic air pipe 202, an air outlet nozzle 203, an air inlet nozzle 204, turbine blades 205, copper pipes 206, an induction coil 207 and a transmission motor 208;
the shell 201 is arranged on the air flue 101, the top of the shell 201 is connected with the air outlet nozzle 203 through the elastic air pipe 202, one end of the copper pipe 206 is connected and communicated with the air outlet nozzle 203 through the shaft, the other end of the copper pipe 206 is connected with the air inlet nozzle 204, the air inlet nozzle 204 penetrates through the bottom of the shell 201 and extends into the air flue 101 to be communicated with the air flue 101, the air inlet nozzle 204 is movably connected with the shell 201, the turbine blades 205 are arranged on the inner wall of the air inlet nozzle 204, the outer wall of the copper pipe 206 is provided with a transmission piece 209, the transmission motor 208 is connected with the copper pipe 206 through the transmission piece 209, the induction coil 207 is arranged on the inner wall of the shell 201 and the elastic air pipe 202, and the transmission motor 208 and the induction coil 207 are electrically connected with the controller.
The working principle of the technical scheme is as follows: when the hot air assembly 10 is started, air enters the air gun 102 through the air channel 101 and is sprayed into the lead groove 122 after being heated in the air gun 102, so that leads in the lead groove 122 are heated, when the air gun 102 is started, the transmission motor 208 drives the copper pipe 206 to rotate through the transmission piece 209, the copper pipe 206 can suck air from the air channel 101 through the turbine blades 205 in the air inlet nozzle 204 while rotating, air flow is generated, the copper pipe 206 rotates, the induction coil 207 can heat the copper pipe 206 through electromagnetic, so that air flow in the copper pipe 206 is heated, the air flow enters the copper pipe 206 from the air inlet nozzle 204, is sprayed out from the air outlet nozzle 203 after being heated in the copper pipe 206, and when the extrusion block 96 extrudes the side wall of the pressure measuring seat 1, the air outlet nozzle 203 can automatically perform position adjustment through the elastic air pipe 202, so that the air outlet nozzle 203 is prevented from being crushed.
The beneficial effects of the technical scheme are that: through the design of the structure, the air outlet nozzle 203 of the air gun 102 corresponds to the lead groove 122, and heated air flow can directly transfer heat to the lead, so that molecular activity in the lead is quickened, resistance is further reduced, gold balls on the lead can be melted by high-temperature air flow on the pressure measuring seat 1 which needs to be temporarily welded, the pressure measuring seat 1 can be temporarily welded with a chip for testing the chip, and after the test is finished, the gold balls are melted at high temperature, so that corresponding experiments can be carried out on chips of different types, the lead on the pressure measuring seat 1 is not limited by shape and size, and resistance reduction and temporary welding of the lead can be realized through the hot air component 10.
In one embodiment, in order for the air gun 102 to provide sufficient temperature, it is necessary to ensure that the induction coil 207 has sufficient number of turns, for which the number of turns of the induction coil 207 can be calculated by the formula
A calculation is made, where N is the number of turns of the induction coil 207; e is an induced electromotive force;is the total magnetic flux through copper tube 206; f is the current frequency; t is the power-on time;
during the heating process, the relationship between the temperature change and the time t is as follows
Where ρ is the density of the induction coil 207; c is the specific heat of the induction coil 207; t is the temperature of the air gun 102; x, y and z are unit vectors after a Cartesian coordinate system is established by taking the copper pipe 206 as an axis; q is the intensity of the internal heat source;
the intensity of the internal heat source in the above formula can be represented by the formula
Q＝δ|J|
Calculated, where δ is the resistivity of the induction coil 207 and J is the current density through the induction coil 207;
from this, the number of turns of the induction coil 207 required to bring the air gun 102 to the rated temperature can be calculated.
The technical scheme has the working principle and beneficial effects that: as can be seen from the above formula, in order to make the air gun 102 reach the rated temperature, the required heat energy needs to be converted into the induction electric energy through the eddy current heat effect, then the induction electric energy is converted into the magnetic field energy through the electromagnetic induction effect, finally the magnetic field energy is converted into the electric energy through the current magnetic effect, then the required number of turns of the induction coil 207 is calculated, after the number of turns of the rated induction coil 207 is calculated, the winding of the induction coil 207 can be performed in the shell 201 and the elastic air pipe 202 according to the number of turns, the number of turns of winding is ensured to be not less than the calculated number of turns, and the air gun 102 is provided with a plurality of turns, and the pressure measuring seat 1 can also perform heat transfer, so that the lead wire has enough heat to accelerate the molecular motion in the lead wire, further the effect of reducing the resistance is realized.
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", "axial", "radial", "circumferential", 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 device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
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; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. 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.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (3)
1. A pressure measurement device for a gravity separator, comprising: the device comprises a pressure measuring seat (1), a driving device, a pressing device and a controller; the pressing seat (1) is arranged below the pressing device, the driving device is arranged above the pressing device, and the pressing device and the driving device are electrically connected with the controller;
the driving device comprises a driving motor (2) and a cam (3), the cam (3) is arranged on the driving motor (2), the cam (3) is abutted with the pressing device, and the driving motor (2) is electrically connected with the controller;
the pressing device comprises a pressure assembly (8), wherein the pressure assembly (8) comprises a pressing cylinder (81), a piston member (82) and a contact assembly (83); the piston member (82) is arranged in the lower pressing cylinder (81), the top of the piston member (82) penetrates through the top of the lower pressing cylinder (81) and is in butt joint with the cam (3), the top of the lower pressing cylinder (81) is connected with the top of the piston member (82) through a buffer member, the contact assembly (83) is arranged at the bottom of the lower pressing cylinder (81), the pressing seat (1) is arranged below the contact assembly (83), and the lower pressing cylinder (81) is electrically connected with the controller;
the contact assembly (83) comprises a plurality of pressing ceramics (831) and contacts (832); the pressing ceramics (831) are positioned at two sides of the contact (832), the pressing ceramics (831) correspond to the pin positions of the chip, and the contact (832) correspond to the chip;
the pressure measuring seat (1) comprises a base (11) and a lap joint table (12); the base (11) is arranged on the mounting platform, the lap joint table (12) is arranged on the base (11), and the lap joint table (12) is provided with a placement groove (121) and a plurality of lead grooves (122); a pressing table (123) is arranged at the communication part of the lead groove (122) and the placement groove (121), the pressing table (123) is matched with the position and the shape of the pressing ceramic (831), a lead is arranged in the lead groove (122), and the lead is led out of the pressing seat (1) from the pressing table (123) through the lead groove (122) along the edge;
the pressure measuring device further comprises a self-adapting device (9), wherein the self-adapting device (9) is arranged on the mounting platform and is in butt joint with the base (11), a hot air component (10) is arranged on the self-adapting device (9), the hot air component (10) is adaptive to the position of the lead groove (122), and the hot air component (10) is electrically connected with the controller;
the self-adaptive device (9) comprises a lower plate (91), a side plate (92), an upper plate (93), a raised shaft plate (94), a reset piece (95) and an extrusion block (96);
the convex shaft plate (94) is arranged on the bottom surface of the lower plate (91) and is connected with the mounting platform shaft;
the lower plate (91) is connected with the upper plate (93) through a plurality of rib plates (97);
the upper plate (93) and the lower plate (91) are connected with the side plate (92), and the side plate (92) is normal to the lower plate (91), the upper plate (93) and the raised shaft plate (94);
connecting holes (98) are formed in the lower plate (91) and the side plates (92);
the extrusion block (96) is connected with the upper plate (93) through the reset piece (95);
the resetting piece (95) comprises a limit sliding sleeve (951), a sliding rod (952) and an elastic piece (953);
the limiting sliding sleeve (951) is arranged on the upper plate (93), and the sliding rod (952) penetrates through the limiting sliding sleeve (951) and is movably connected with the limiting sliding sleeve (951);
the upper end of the sliding rod (952) is connected with the bottom of the extrusion block (96), and the lower end of the sliding rod (952) penetrates through the limit sliding sleeve (951) to be connected with a limit nut;
the elastic piece (953) is arranged on the outer side of the sliding rod (952), one end of the elastic piece (953) is connected with the bottom of the extrusion block (96), and the other end of the elastic piece (953) is connected with the limit sliding sleeve (951);
the hot air assembly (10) is arranged in the extrusion block (96) and penetrates through the top of the extrusion block (96);
the hot air assembly (10) comprises an air passage (101) and a plurality of air guns (102); the two ends of the air passage (101) penetrate through the extrusion block (96) and are communicated with the outside, the air gun (102) is arranged on the air passage (101), and the air gun (102) is adapted to the position of the lead groove (122);
the air gun (102) comprises a shell (201), an elastic air pipe (202), an air outlet nozzle (203), an air inlet nozzle (204), turbine blades (205), copper pipes (206), an induction coil (207) and a transmission motor (208);
the utility model discloses a device for controlling the temperature of a liquid crystal display, including casing (201) and air inlet (101) and air outlet (203), casing (201) set up on air flue (101), the top of casing (201) is passed through elasticity tuber pipe (202) with be connected by air outlet (203), the one end of copper pipe (206) with be connected by air outlet (203) hub connection and intercommunication, the other end of copper pipe (206) with air inlet (204) are connected, air inlet (204) run through the bottom of casing (201) and extend to in air flue (101), with air flue (101) intercommunication, air inlet (204) with casing (201) swing joint, turbine blade (205) set up on the inner wall of air inlet (204), the outer wall of copper pipe (206) is provided with driving medium (209), driving medium (208) pass through driving medium (209) with copper pipe (206) are connected, induction coil (207) set up on casing (201) with the inner wall of elasticity tuber pipe (202), driving medium (208) with induction coil (207) all are connected electrically.
2. The pressure measurement device suitable for a gravity separator according to claim 1, further comprising a material blocking cylinder (4) and a material blocking swing arm (5); the material blocking cylinder (4) is arranged on the side wall of the pressing device, the material blocking swing arm (5) is connected with the material blocking cylinder (4), and the material blocking cylinder (4) is electrically connected with the controller.
3. The pressure measuring device for gravity separators according to claim 1, characterized in that it further comprises a support (6), a mobile frame (7) and two pressure assemblies (8); support piece (6) set up on the mounting platform, the lateral wall of support piece (6) is provided with translation slide rail (61), remove frame (7) through translation slide rail (61) with support piece (6) are connected, the lateral wall of remove frame (7) is provided with pushes down slide rail (71), push down the lateral wall of cylinder (81) through push down slide rail (71) with the lateral wall of remove frame (7) is connected, remove frame (7) with the controller electricity is connected.
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| CN202210046105.5A CN114535148B (en) | 2022-01-17 | 2022-01-17 | Pressure measurement device suitable for gravity type separator |
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| CN202210046105.5A CN114535148B (en) | 2022-01-17 | 2022-01-17 | Pressure measurement device suitable for gravity type separator |
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| JPH07176567A (en) * | 1993-12-16 | 1995-07-14 | Nec Corp | Manufacture of semiconductor device |
| WO2018218849A1 (en) * | 2017-06-02 | 2018-12-06 | 广东瑞谷光网通信股份有限公司 | Rotational eutectic soldering station for chips |
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