CN218349451U

CN218349451U - Material sheet thickness measuring device and material sheet thickness measuring equipment

Info

Publication number: CN218349451U
Application number: CN202222636786.9U
Authority: CN
Inventors: 苏彭硕; 刘东东; 王玉通; 郭云海; 张铮
Original assignee: Shenzhen Ange Intelligent Control Technology Co ltd
Current assignee: Shenzhen Ange Intelligent Control Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-20
Anticipated expiration: 2032-09-30

Abstract

The utility model belongs to the technical field of hydrogen energy fuel cell, especially, relate to a tablet thickness measurement device and tablet thickness measurement equipment, tablet thickness measurement device is including surveying thick platform, the clamp plate subassembly, the clamp plate driving cylinder, displacement sensor and tablet removal subassembly, the mesa of surveying thick platform is used for placing the tablet, the clamp plate driving cylinder is installed on surveying thick platform, in order to drive the clamp plate subassembly reciprocating motion in the upper and lower direction, displacement sensor installs on the clamp plate subassembly, a thickness for measuring the tablet, through set up the material loading position on surveying thick platform, thickness measurement position and unloading position, and configuration and thickness measurement platform sliding fit's tablet removal subassembly, remove membrane electrode tablet from the material loading position to thickness measurement position, treat membrane electrode tablet thickness measurement back, remove membrane electrode tablet to the unloading position from thickness measurement position, make things convenient for the removal of membrane electrode tablet, and can not touch the clamp plate subassembly of top, can be suitable for batch membrane electrode tablet thickness detection operation.

Description

Material sheet thickness measuring device and material sheet thickness measuring equipment

Technical Field

The utility model belongs to the technical field of hydrogen energy fuel cell, especially, relate to a tablet thickness measuring device and tablet thickness measuring equipment.

Background

The hydrogen energy fuel cell stack consists of an end plate, an insulating plate, a current collecting plate and a plurality of monocells, wherein the monocells are assembled together after being compressed, and each monocell comprises a bipolar plate and a membrane electrode. Because the inside of the stack is formed by stacking a plurality of bipolar plates and membrane electrodes, the number of the bipolar plates is hundreds of thousands of plates, and after the dimensional tolerance of a single plate (such as the requirement of a certain model product +/-0.03 mm) is finally accumulated, the actual thickness of the stack products in different batches has larger deviation after two materials are stacked, and the consistency requirement of the products is not met.

The prior art discloses a membrane electrode thickness detection device, the device includes a base, a workbench, a lower end, an upper end, a cylinder and a displacement sensor, the workbench is installed on the base, the lower end is installed on the workbench, the upper surface of the lower end is flush with the table top of the workbench and used for placing a membrane electrode, the upper end is supported on the base and is correspondingly arranged with the lower end in the up-down direction, the displacement sensor is connected on the upper end, a probe of the displacement sensor is in contact with the upper surface of the upper end, the cylinder is connected with the upper end through a guide rod, in the membrane electrode thickness measurement process, the cylinder drives the upper end to apply pressure to the membrane electrode placed on the upper surface of the lower end, the thickness of the membrane electrode after being compressed is detected through the displacement sensor, and the detection precision of the membrane electrode thickness is improved.

However, after the thickness of the membrane electrode is measured by the conventional membrane electrode thickness detection device, the measured membrane electrode needs to be moved away from the lower end head by means of other grippers or manual work, and the membrane electrode to be detected is moved to the lower end head.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the existing membrane electrode thickness detection device is not suitable for the technical problem of batch membrane electrode thickness detection operation, and provides a material sheet thickness measuring device and material sheet thickness measuring equipment.

In order to solve the technical problem, an embodiment of the present invention provides a material sheet thickness measuring device, which includes a thickness measuring table, a pressing plate assembly, a pressing plate driving cylinder, a displacement sensor and a material sheet moving assembly;

the table top of the thickness measuring table is used for placing material sheets, and the pressing plate driving cylinder is installed on the thickness measuring table so as to drive the pressing plate assembly to move up and down in a reciprocating manner;

the displacement sensor is arranged on the pressure plate assembly and used for measuring the thickness of the material sheet;

the thickness measuring platform is provided with a feeding position, a thickness measuring position and a discharging position, and the material sheet moving assembly is in sliding fit with the thickness measuring platform and used for driving the material sheet to be switched among the feeding position, the thickness measuring position and the discharging position.

Optionally, a first through hole is formed in the thickness measuring table, and the first through hole extends in the arrangement direction of the feeding position, the thickness measuring position and the discharging position;

the tablet removes the subassembly and is located the downside of thickness measuring platform, tablet removes the subassembly and includes jacking actuating mechanism and tablet supporting mechanism, jacking actuating mechanism connects tablet supporting mechanism passes in the upper and lower direction in order to drive tablet supporting mechanism first perforation, tablet supporting mechanism is used for the bearing the tablet, jacking actuating mechanism with thickness measuring platform is in sliding fit on the first perforated extending direction.

Optionally, a second through hole communicated with the first through hole is further formed in the thickness measuring table, and the second through hole is formed in each of the feeding position, the thickness measuring position and the discharging position;

the sheet supporting mechanism comprises an L-shaped supporting bracket and a sucker, the L-shaped supporting bracket comprises a vertical portion and a horizontal portion, the vertical portion is connected with the jacking driving mechanism, the horizontal portion is connected to the upper end of the vertical portion, the sucker is arranged on the horizontal portion and used for sucking the sheet, the extending direction of the horizontal portion is the same as that of the second through hole, and the horizontal portion and the sucker can penetrate through the second through hole under the action of the jacking driving mechanism.

Optionally, the pressing plate assembly includes a fixed pressing plate and a movable pressing plate located below the fixed pressing plate, the movable pressing plate is used for being in press fit with the material sheet, the fixed pressing plate is mounted at the driving end of the pressing plate driving cylinder, the movable pressing plate is movably mounted on the fixed pressing plate in the up-down direction, and a spring is arranged between the movable pressing plate and the fixed pressing plate;

the displacement sensor is installed on the fixed pressing plate, a first through hole is formed in the fixed pressing plate, a second through hole is formed in the movable pressing plate, and the first through hole and the second through hole are arranged in a vertical direction of the displacement sensor.

Optionally, the displacement sensor is provided in plurality and is arranged at intervals on the plate surface of the pressure plate assembly.

Optionally, the material sheet thickness measuring device further comprises a static elimination assembly, the static elimination assembly is located on the lower side of the pressing plate assembly, and the static elimination assembly is installed on the thickness measuring table and used for eliminating static electricity on the material sheet.

Optionally, the displacement sensor is a laser reflection type displacement sensor or a contact type displacement sensor.

According to the utility model discloses tablet thickness measuring device is through setting up material loading level, thickness measuring position and unloading position at thickness measuring bench to configuration and thickness measuring bench sliding fit's tablet removal subassembly, move membrane electrode material piece from the material loading level to thickness measuring position, treat membrane electrode material piece thickness measurement back, move membrane electrode material piece to unloading position from thickness measuring position, make things convenient for the removal of membrane electrode material piece, and can not touch the clamp plate assembly of top, can be suitable for membrane electrode material piece thickness detection operation in batches.

On the other hand, the embodiment of the utility model also provides a tablet thickness measuring equipment, including loading attachment, the above-mentioned tablet thickness measuring device, tablet grouping device and tablet snatch the mobile device;

the feeding device is provided with a feeding area and a discharging area, and the material sheet grabbing and moving device is used for grabbing material sheets, moving the material sheets from the discharging area to the feeding position of the material sheet thickness measuring device, and moving the material sheets from the discharging position of the material sheet thickness measuring device to the material sheet grouping device;

the feeding device comprises a material sheet conveying mechanism, an empty material tray conveying mechanism and an empty material tray lifting and moving mechanism, wherein the material sheet conveying mechanism is used for conveying material sheets from the feeding area to the discharging area, the empty material tray conveying mechanism is used for conveying empty material trays from the discharging area to the feeding area, and the empty material tray lifting and moving mechanism is located in the discharging area and used for lifting the empty material trays and moving the empty material trays from the material sheet conveying mechanism to the empty material tray conveying mechanism;

the material sheet grouping device comprises a material tray frame, wherein a plurality of material trays are arranged on the material tray frame and used for grouping and placing material sheets with different thicknesses. .

Optionally, the feeding device further comprises a stacking position, the stacking position is arranged between the feeding area and the discharging area and is located on a conveying line of the tablet conveying mechanism;

the feeding device further comprises a material tray stacking mechanism located at the stacking position, the material tray stacking mechanism comprises a vertical frame, a material tray stacking driving cylinder and a material tray clamping assembly, the material tray driving cylinder is installed on the vertical frame, the material tray clamping assembly is in sliding fit with the vertical frame in the up-down direction, the material tray clamping assembly is connected with the material tray driving rod and used for clamping a material tray, and the material tray stacking driving cylinder drives the material tray clamping assembly to move in the up-down direction.

Optionally, empty charging tray jacking moving mechanism includes empty charging tray jacking drive assembly and belt conveyor assembly, belt conveyor assembly's direction of delivery with tablet conveyor mechanism's direction of delivery is perpendicular, belt conveyor assembly installs empty charging tray jacking drive assembly's drive end under empty charging tray jacking drive assembly's effect, belt conveyor assembly's belt can drive empty charging tray upwards break away from tablet conveyor mechanism's transfer chain.

Drawings

Fig. 1 is a schematic view of a partial structure of a material sheet thickness measuring device located above a thickness measuring table according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a thickness measuring table and a material sheet moving assembly in a material sheet thickness measuring device according to a first embodiment of the present invention;

fig. 3 is a partial schematic structural view of another view angle of the thickness measuring table and the material sheet moving assembly in the material sheet thickness measuring apparatus according to the first embodiment of the present invention;

fig. 4 is a schematic view of a partial structure of a material sheet thickness measuring device above a thickness measuring table according to a second embodiment of the present invention;

fig. 5 is a schematic structural view of a material sheet thickness measuring apparatus according to a sixth embodiment of the present invention;

fig. 6 is a schematic structural view of a feeding device in a material sheet thickness measuring apparatus according to a sixth embodiment of the present invention;

fig. 7 is a schematic structural view of a web grouping device for membrane electrode webs in a web thickness measuring apparatus according to a sixth embodiment of the present invention.

The reference numerals in the specification are as follows:

1. a thickness measuring table; 101. loading level, 102, thickness measuring level; 103. feeding; 11. a tablet positioning block; 12. A first perforation; 13. a second perforation;

21. a track plate; 22. jacking a driving cylinder; 23. a support plate; 24. an L-shaped support bracket; 25. a suction cup;

31. measuring the thickness of the upright column; 32. the pressing plate drives the air cylinder; 33. fixing the pressing plate; 34. a movable pressing plate; 341. a second through hole; 332. a guide bar; 35. a contact displacement sensor; 36. a static elimination component;

37. a laser reflection type displacement sensor; 38. fixing the pressing plate; 381. a first through hole; 382. a vertical plate;

41. a fence; 42. a tablet conveying mechanism; 421. a feeding area; 422. a stacking area; 423. a blanking area; 43. A tablet stacking mechanism; 431. a vertical plate; 432. a first cylinder; 433. a second cylinder; 44. an empty tray conveying mechanism; 45. the empty tray jacking and moving mechanism; 451. the empty tray is jacked up to drive the air cylinder; 452. a belt transport assembly;

46. a material sheet grouping device; 461. a long support bar; 462. a short support bar; 463. a tray;

47. a first material sheet grabbing and moving device; 471. a first track plate; 472. a first lifting cylinder; 48. a second material sheet grabbing and moving device; 481. a second track plate; 482. a second lifting cylinder; 49. and (4) a material tray.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

First embodiment

As shown in fig. 1 to fig. 3, a web thickness measuring device according to a first embodiment of the present invention is used for measuring the thickness of a membrane electrode web. In other embodiments, the thickness measurement method can also be used for thickness measurement of other sheet-like structures. In this embodiment, the tablet thickness measuring device includes thickness measuring platform 1, clamp plate subassembly, clamp plate actuating cylinder, displacement sensor and tablet removal subassembly. The thickness measuring table 1 is supported on the ground through the supporting legs, rubber feet are arranged at the lower ends of the supporting legs, and the phenomenon that vibration of other external equipment interferes with measurement of the thickness of the membrane electrode material sheet is avoided.

As shown in fig. 2, a feeding position 101, a thickness measuring position 102 and a discharging position 103 are arranged on the table top of the thickness measuring table 1, material sheet positioning blocks 11 are arranged at positions corresponding to the positions, the material sheet positioning blocks 11 are arranged in an "L" shape, two material sheet positioning blocks 11 are arranged at each position, and the two material sheet positioning blocks are arranged corresponding to opposite corners of the membrane electrode material sheet and are used for positioning the membrane electrode material sheet at the corresponding positions.

The thickness measuring table 1 is of a cuboid plate-shaped structure, the feeding position 101, the thickness measuring position 102 and the discharging position 103 are arranged at intervals in the length direction of the thickness measuring table 1, a first through hole 12 and a second through hole 13 are formed in the thickness measuring table 1, the first through hole 12 extends in the length direction of the thickness measuring table 1, the first through hole 12 and the feeding position 101 are arranged in the width direction of the thickness measuring table 1, the second through hole 13 is communicated with the first through hole 12, the second through hole 13 extends in the width direction of the thickness measuring table 1, the second through hole 13 is located on one side, facing the feeding position 101, of the first through hole 12, the number of the second through holes 13 corresponding to each position of the feeding position 101, the thickness measuring position 102 and the discharging position 103 is two, the two second through holes 13 at each position are arranged at intervals in the length direction of the thickness measuring table 1, and the intervals of the two second through holes 13 at each position are equal.

As shown in fig. 2 and fig. 3, the material sheet moving assembly is located below the thickness measuring table 1, and is in sliding fit with the thickness measuring table 1, the material sheet moving assembly includes a track plate 21, a jacking driving mechanism and a material sheet supporting mechanism, the track plate 21 is fixed on the supporting leg, and is arranged along the length direction of the thickness measuring table 1 in an extending manner, the jacking driving mechanism drives a cylinder 22 for jacking, a sliding chute arranged on the track plate 21 in the length direction of the thickness measuring table 1 in an extending manner, the jacking driving cylinder 22 is matched with the thickness measuring table 1 through a servo lead screw slider structure, so as to realize the reciprocating movement of the jacking driving cylinder 22 in the length direction of the thickness measuring table 1.

The material sheet supporting mechanism comprises a supporting plate 23, two L-shaped supporting brackets 24 and a suction cup 25, wherein the supporting plate 23 is fixed at the output end of the jacking driving cylinder 22, the L-shaped supporting brackets 24 are arranged on the upper surface of the supporting plate 23, the distance between the two L-shaped supporting brackets 24 is equal to the distance between two adjacent second through holes 13 at any position of the loading position 101, the thickness measuring position 102 and the unloading position 103. The L-shaped supporting bracket 24 comprises a vertical part and a horizontal part, the vertical part is installed on the upper surface of the supporting plate 23 and is arranged corresponding to the first through hole 12 in the vertical direction, the width of the vertical part is smaller than that of the first through hole 12 so as to enable the vertical part to pass through the first through hole 12 upwards, the horizontal part is connected to the upper end of the vertical part, the extending direction of the horizontal part is the same as that of the second through hole 13, the length of the horizontal part is smaller than that of the second through hole 13, and the width of the horizontal part is smaller than that of the second through hole 13 so as to enable the horizontal part to pass through the second through hole 13 upwards.

Under the action of the jacking driving cylinder 22, the supporting plate 23, the L-shaped supporting bracket 24 and the suction cup 25 can upwards penetrate through the first through hole 12 and the second through hole 13, so that the horizontal part of the L-shaped supporting bracket 24 is positioned at the upper side of the thickness measuring table 1. In this embodiment, the suction cup 25 is fixed on the upper side of the horizontal portion, and the suction cup 25 is used for adsorbing the membrane electrode material sheet and supporting the membrane electrode material sheet when the horizontal portion is located on the upper side of the thickness measuring table 1, so that the membrane electrode material sheet is higher than the material sheet positioning block 11.

In this embodiment, when the horizontal portion is located at the upper side of the material measuring table and the membrane electrode material sheet is higher than the material sheet positioning block 11 under the supporting action of the suction cup 25, the material sheet moving assembly can drive the membrane electrode material sheet to move from the material loading position 101 to the thickness measuring position 102 and from the thickness measuring position 102 to the material unloading position 103 through the servo lead screw slider structure. After the material sheet supporting mechanism and the membrane electrode material sheet move in place, the horizontal part corresponds to the second through hole 13, at the moment, the jacking driving cylinder 22 retracts, and the membrane electrode material sheet downwards enters the limited area of the material sheet positioning block 11 at the corresponding position. The material sheet supporting mechanism can also be independently moved from the blanking position 103 to the blanking position 101 under the action of the jacking driving air cylinder 22 and the servo lead screw slide block structure.

In this embodiment, the feeding position 101, the thickness measuring position 102 and the discharging position 103 are arranged on the thickness measuring table 1, the membrane electrode material sheet is moved from the feeding position 101 to the thickness measuring position 102 by the sheet moving assembly in sliding fit with the thickness measuring table 1, after the thickness of the membrane electrode material sheet is measured, the membrane electrode material sheet is moved from the thickness measuring position 102 to the discharging position 103, the movement of the membrane electrode material sheet is facilitated, the pressing plate assembly above the membrane electrode material sheet is not touched, and the membrane electrode material sheet thickness measuring device can be applied to batch membrane electrode material sheet thickness detection operation.

In this embodiment, as shown in fig. 1, a thickness measurement column 31 is disposed at a thickness measurement position 102 on a thickness measurement platform 1, a pressure plate driving cylinder is a pressure plate driving cylinder 32, the pressure plate driving cylinder 32 is fixed on the thickness measurement column 31, the pressure plate driving cylinder 32 extends in the up-down direction, a pressure plate assembly includes a fixed pressure plate 33 and a movable pressure plate 34, the fixed pressure plate 33 is installed at a driving end of the pressure plate driving cylinder 32, the fixed pressure plate 33 is of a rectangular structure, four corner positions of the fixed pressure plate 33 are respectively provided with a guide rod 332, the movable pressure plate 34 is located on the lower side of the fixed pressure plate 33 and is sleeved on the guide rod 332, and the movable pressure plate 34 can move in the up-down direction relative to the fixed pressure plate 33. Under the action of the pressing plate driving cylinder 32, the movable pressing plate 34 is used for being in abutting fit with the membrane electrode material sheet on the thickness measuring position 102, a spring (not shown) is arranged between the movable pressing plate 34 and the fixed pressing plate 33, the spring is sleeved on the guide rod 332, and when the movable pressing plate 34 abuts against the membrane electrode material sheet, the spring is compressed.

The displacement sensor is installed on the fixed pressing plate 33, the displacement sensor is a contact type displacement sensor 35, a first through hole for a contact probe of the displacement sensor to pass through is formed in the fixed pressing plate 33, a second through hole 341 is formed in the movable pressing plate 34, and the first through hole and the second through hole 341 are long holes extending in the width direction of the fixed pressing plate 33. The first through hole and the second through hole 341 are arranged corresponding to the displacement sensor in the vertical direction. Under the action of the pressing plate driving cylinder 32, the movable pressing plate 34 presses the membrane electrode material sheet downwards to enable the membrane electrode material sheet multilayer piece to be completely attached, and in the membrane electrode material sheet thickness measuring process, the contact probe of the displacement sensor descends to contact the upper surface of the membrane electrode material sheet, so that the measurement of the membrane electrode material sheet thickness is realized.

In this embodiment, as shown in fig. 1, the number of the first through holes and the second through holes 341 is three, the first through holes and the second through holes are arranged at intervals in the length direction of the fixed pressing plate 33, there are 11 displacement sensors, and the displacement sensors are arranged at regular intervals in the length direction and the width direction of the fixed pressing plate 33, there are four displacement sensors corresponding to the two first through holes at both ends of the fixed pressing plate 33 in the length direction, and there are three displacement sensors corresponding to the middle first through hole, wherein two displacement sensors are reference surface displacement sensors, when measuring the thickness of the membrane electrode web, the contact probes of the nine displacement sensors are in contact with the upper surface of the membrane electrode web, the contact probes of the two displacement sensors are in contact with the table top of the thickness measuring table 1, and the average value of the data measured by the nine displacement sensors is subtracted by the average value of the data measured by the two displacement sensors, which is the measured thickness value of the membrane electrode web.

As shown in fig. 1, the web thickness measuring apparatus further includes a static electricity eliminating assembly 36, the static electricity eliminating assembly 36 is located at the lower side of the movable platen 34, the static electricity eliminating assembly 36 is a rod-shaped static electricity eliminator, and the rod-shaped static electricity eliminator is mounted on the thickness measuring column 31 and is arranged opposite to the thickness measuring position 102, and is used for performing static electricity purging on the membrane electrode web to eliminate static electricity on the membrane electrode web.

Second embodiment

The utility model discloses the second embodiment provides a material piece thickness measuring device, its difference with the first embodiment lies in, as shown in fig. 4, material piece thickness measuring device in this embodiment is used for realizing the measurement to bipolar plate material piece thickness, because bipolar plate material piece thickness measurement will consider the influence of bipolar plate material piece coating itself, in order to avoid causing bipolar plate material piece damage because of sensor contact bipolar plate material piece, displacement sensor is laser reflection formula displacement sensor 37, be equipped with the riser 382 of arranging in the extension of stationary platen 38 width direction at the border of first through-hole 381 on stationary platen 38, displacement sensor is located stationary platen 38 upside, and fix on riser 382, among 11 displacement sensor, 9 laser that displacement sensor transmitted passes first through-hole 381 and second through-hole 341 and falls on the upper surface of bipolar plate material piece, the laser that two displacement sensor take place passes first through-hole 381 and second through-hole 341 and falls on the mesa of surveying thick platform 1, the average value of 9 displacement sensor's measured value, the average value of subtracting two displacement sensor measured value is the thickness numerical value of measured material piece promptly.

Third embodiment

The utility model discloses the third embodiment provides a tablet thickness measuring device, its difference with the first embodiment lies in, the first perforation on the thickness measuring bench sets up the intermediate position at two tablet locating pieces that the diagonal was arranged on the width direction of thickness measuring bench, it perforates not to set up the second, the horizontal part of L shape support bracket extends on first fenestrate length direction and arranges, the horizontal part passes first perforation under jacking actuating mechanism's effect, raise the membrane electrode tablet, adsorb membrane electrode tablet through the sucking disc, realize the membrane electrode tablet at servo under the effect that adds the lead screw slider at last material level, switch between thickness measuring position and unloading position.

In other embodiments, the second through hole is not provided, the horizontal part is not provided in the support bracket, and the suction cup is provided at the top of the vertical part and is used for adsorbing and supporting the material sheet.

Fourth embodiment

The utility model discloses the fourth embodiment provides a tablet thickness measuring device, its difference with first embodiment lies in, does not set up movable clamp plate in the clamp plate subassembly, and fixed clamp plate's lower surface is used for the top press fit with the upper surface of membrane electrode tablet, and in membrane electrode tablet thickness measurement process, displacement sensor's probe passes first perforation to with the upper surface of membrane electrode tablet or with the mesa contact of surveying thick platform.

Fifth embodiment

The utility model discloses the fifth embodiment provides a tablet thickness measuring device, its difference with the first embodiment lies in, and displacement sensor's quantity has two, and a displacement sensor is used for contacting with membrane electrode tablet, and this displacement sensor sets up the intermediate position at solid fixed pressing plate, and another displacement sensor is used for contacting with the platform reference surface that measures thickness, and two displacement sensor's measured value subtracts, obtains the thickness value of membrane electrode tablet.

In other embodiments, the number of the displacement sensors is three or four or more than five, wherein the probes of one part of the displacement sensors are used for contacting with the membrane electrode material sheet and are uniformly arranged on the fixed pressing plate at intervals, the probes of the other part of the displacement sensors are used for contacting with the datum plane of the thickness measuring table, and the measured average values of the two parts of the displacement sensors are subtracted to obtain the thickness value of the membrane electrode material sheet.

Sixth embodiment

The utility model discloses the sixth embodiment provides a tablet thickness measurement equipment, as shown in fig. 5 to 7, tablet thickness measurement equipment is used for the thickness of simultaneous measurement membrane electrode tablet and bipolar plate tablet to membrane electrode tablet and bipolar plate tablet after measuring are placed according to the interval classification of thickness.

As shown in fig. 5, the sheet thickness measuring apparatus includes a fence 41, a feeding device, a sheet thickness measuring device, a sheet grouping device 46, and a sheet gripping and moving device. The enclosure 41 has a rectangular structure, and a loading device, a sheet thickness measuring device, and a sheet grouping device 46 are sequentially disposed in a longitudinal direction in a rectangular space inside the enclosure. The two ends of the fence 41 in the width direction are respectively provided with a maintenance door and a safety door lock so as to facilitate the entry of maintenance workers, and the two ends of the fence 41 in the length direction are respectively provided with a feeding window and a discharging window.

The feeding devices are two and are arranged in the width direction of the fence 41, one is used for feeding membrane electrode material pieces, the other is used for feeding bipolar plate material pieces, the material piece thickness measuring devices are two and are also arranged in the width direction of the fence 41, one is used for measuring the thickness of the bipolar plate material pieces, the other is used for measuring the thickness of the membrane electrode material pieces, and the material piece grouping device 46 is also provided with two and is arranged in the width direction of the fence 41, one is used for grouping the membrane electrode material pieces, and the other is used for grouping the bipolar plate material pieces.

The two feeding devices have substantially the same structure, and as shown in fig. 6, the feeding device for feeding membrane electrode material sheets has a feeding area 421, a stacking area 422 and a blanking area 423, and comprises a material sheet conveying mechanism 42, a material tray stacking mechanism, an empty material tray conveying mechanism 44 and an empty material tray lifting and moving mechanism 45. The material sheet conveying mechanism 42 comprises a roller conveying line and a material tray 49 arranged on the roller conveying line, a roller in the roller conveying line is driven by a motor and a chain gear transmission mechanism, and the roller conveying line drives the material tray 49 to move from the material loading area 421, through the stacking area 422 and to the material unloading area 423.

Charging tray stacking mechanism is located stacking area 422, charging tray stacking mechanism includes riser 431, first cylinder 432 and second cylinder 433, riser 431 has two, be located the both sides of roller bearing transfer chain respectively, two first cylinders 432 are installed respectively on two riser 431, in four second cylinders 433, two liang of a set of, a set of first cylinder 432 that corresponds, two second cylinders 433 in the same group install the drive end at a first cylinder 432, four second cylinders 433 are used for centre gripping charging tray 49, under first cylinder 432's effect, by the charging tray 49 rebound of centre gripping, for the downside charging tray 49 gets into stacking area 422, realize charging tray 49 stack. The held tray 49 is moved downward by the first cylinder 432 to place the tray 49 on the roller conveyer line, and unstacking of the tray 49 is performed.

In this embodiment, the feeding is manual feeding, the number of membrane electrode material sheets allowed by each tray 49 is 200, the number of bipolar plate material sheets is 100, and the number of the trays 49 in the maximum stack is three, that is, the number of membrane electrode material sheets which can be fed at one time is 1000, and the number of bipolar plate material sheets is 500. The structure of charging tray stacking mechanism is provided with and helps to prolong manual feeding time and save labor.

As shown in fig. 6, the conveying direction of the empty tray conveying mechanism 44 is opposite to the conveying direction of the material sheet conveying mechanism 42, the empty tray conveying mechanism 44 is located between the material sheet conveying mechanism 42 of the membrane electrode material sheet and the material sheet conveying mechanism 42 of the bipolar plate material sheet, and the membrane electrode material sheet and the bipolar plate material sheet share the same empty tray conveying mechanism 44, the empty tray conveying mechanism 44 includes a roller conveying line, and the roller conveying line is driven by a motor and a gear rack transmission mechanism to drive the empty tray 49 to move from the blanking position to the charging position, so as to realize the turnover of the tray 49.

Empty charging tray jacking moving mechanism 45 is located unloading district 423, and empty charging tray jacking moving mechanism 45 includes empty charging tray jacking drive assembly and belt conveyor assembly 452, and belt conveyor assembly 452's direction of delivery is perpendicular with tablet conveying mechanism 42's direction of delivery, and empty charging tray jacking drive assembly drives actuating cylinder 451 for empty charging tray jacking, and belt conveyor assembly 452 installs the drive end that drives actuating cylinder 451 for empty charging tray jacking. When the blanking area 423 has an empty tray, the belt in the belt conveying assembly 452 drives the empty tray to be separated from the roller conveying line of the material sheet conveying mechanism 42 upwards under the action of the empty tray jacking driving cylinder 451, and the empty tray is moved from the material sheet conveying mechanism 42 to the empty tray conveying mechanism 44 under the action of the belt conveying assembly 452, and when the empty tray is moved to the empty tray conveying mechanism 44, the empty tray jacking driving cylinder 451 drives the belt conveying assembly 452 to move downwards, so that the empty tray falls on the roller conveying line of the empty tray conveying mechanism 44.

In this embodiment, as shown in fig. 5, the structure of the web thickness measuring device for measuring the thickness of the membrane electrode web is the same as that of the web thickness measuring device provided in the first embodiment, and the structure of the web thickness measuring device for measuring the thickness of the electrode plate is the same as that of the web thickness measuring device provided in the second embodiment, which are not described herein again. In other examples, the structure of a web thickness measuring apparatus for effecting measurement of the thickness of a membrane electrode web was the same as that provided in any of the second to fifth examples.

In this embodiment, as shown in fig. 7, the two web grouping apparatuses 46 have the same structure, and only the structure of the web grouping apparatus 46 for membrane electrode web grouping will be described below. The sheet sorting apparatus 46 includes a tray holder, trays 463 and trays 49, the tray holder includes six support bars, three of which are short support bars 462, the other three of which are long support bars 461, the three trays 463 are arranged at intervals in the up-down direction, the trays 463 are in a rectangular configuration, one end in the width direction of the trays 463 are fixed to the three long support bars 461, two long support bars 461 are located at both ends in the length direction of the trays 463, and one long support bar 461 is located at an intermediate position in the length direction of the trays 463. The other end of the tray 463 located at the lowermost side in the width direction is fixed to three short support rods 462, two short support rods 462 are located at both ends of the tray 463 in the longitudinal direction, and one short support rod 462 is located at the middle position of the tray 463 in the longitudinal direction.

There are 12 trays 49, 2 of which are used for circulation to realize the assembly of the hydrogen fuel cell stack, 10 are located on the tray 463, two are located on the upper tray 463, and four trays 49 are respectively provided on the lower and middle trays 463. The thickness of the membrane electrode material sheet is divided into 10 sections by 10 material trays 49, and one material tray 49 corresponds to one membrane electrode material sheet thickness section. The position department that corresponds every charging tray 49 on tray 463 all is equipped with the locating pin that is used for fixing a position charging tray 49, the position department that corresponds every charging tray 49 on tray 463 still is equipped with and is used for detecting the proximity switch that charging tray 49 has or not, in addition at upper tray 463, the position department that the lower surface of middle tray 463 corresponds downside charging tray 49 all is equipped with high distance sensor and pilot lamp, high distance sensor is used for detecting the windrow height on charging tray 49, the pilot lamp is used for indicateing whether charging tray 49 is full of piles, charging tray 49 is full of the pilot lamp and shows green, charging tray 49 is not full of the pilot lamp and is not bright, no charging tray 49 pilot lamp shows red.

In this embodiment, one side of the long support rods 461 is a material taking side, the material taking sides of the two material sheet grouping devices 46 are opposite, and a manual channel is arranged between the two material sheet subpackaging devices, so that a worker can conveniently enter the device, and the worker can conveniently grasp the membrane electrode material sheet and the bipolar plate material sheet with corresponding thicknesses from the material taking side. The long support rod 461 of the material sheet grouping device 46 is provided with a safety light barrier (not shown), which can detect whether a person above the material tray 49 grips the material tray 49.

In the embodiment, as shown in fig. 5, the material sheet grabbing and moving devices are installed on the side wall of the rail 41 in the length direction, the material sheet grabbing and moving devices are four in one group, two of the material sheets grabbing and moving devices are arranged in pairs, one group is used for grabbing membrane electrode material sheets, the other group is used for grabbing bipolar plate material sheets, the two material sheet grabbing and moving devices in the same group are arranged at intervals in the length direction of the rail 41 and are respectively a first material sheet grabbing and moving device 47 and a second material sheet grabbing and moving device 48, the first material sheet grabbing and moving device 47 is used for moving material sheets from the blanking region 423 of the feeding device to the feeding position of the material sheet thickness measuring device, and the second material sheet grabbing and moving device 48 is used for moving material sheets from the blanking position of the material sheet thickness measuring device to the material tray 49 of the material sheet grouping device 46. The two first web grasping and moving devices 47 are identical in structure, and the two second web grasping and moving devices 48 are identical in structure.

First tablet snatchs mobile device 47 includes first track board 471, first lift cylinder 472 and first sucking disc, and first sucking disc is fixed at the output of first lift cylinder 472, can be under the effect of first lift cylinder 472 reciprocating motion in order to snatch the tablet or put down the tablet, sliding fit under servo and lead screw slider structure's effect between the cylinder body of first lift cylinder 472 and first track board 471 to realize first sucking disc reciprocating motion between the material loading level of loading attachment's unloading district 423 and tablet thickness measuring device.

The second material sheet grabbing and moving device 48 comprises a second track plate 481, a second lifting cylinder 482 and a second suction cup, the second suction cup is fixed at the output end of the second lifting cylinder 482 and can move up and down in a reciprocating mode under the action of the second lifting cylinder 482 to grab or put down a material sheet, and the cylinder body of the second lifting cylinder 482 is in sliding fit with the second track plate 481 under the action of a servo and screw slider structure to achieve reciprocating movement of the second suction cup between the feeding position of the material sheet thickness measuring device and the corresponding material tray 49 of the material sheet grouping device 46.

In this embodiment, the material sheet thickness measuring device includes a PC end (not shown in the figure), and the PC end is used to control the actions of mechanisms in each device in the material sheet thickness measuring device, so as to realize automatic measurement and automatic grouping of the material sheet thickness of the membrane electrode material sheet and the bipolar plate material sheet by the material sheet thickness measuring device. The material sheet thickness measuring device is used for measuring the thickness of a membrane electrode material sheet or a bipolar plate material sheet, the displacement sensor is used for scanning two-dimensional codes on the membrane electrode material sheet or the bipolar plate material sheet at the same time, the measured material sheet thickness data is bound with the two-dimensional codes, the data is uploaded to the PC end, and after the data is analyzed by the PC end, the PC end sends out an instruction to control the second material sheet grabbing and moving device 48 to automatically group the corresponding membrane electrode material sheet or bipolar plate material sheet to the material tray 49 in the corresponding thickness interval. When the safety grating detects that the grabbing action is performed above the material tray 49, the PC end controls the second material sheet grabbing and moving device 48 to stop acting, so that people are prevented from being injured by mistake.

Through the tablet thickness measuring equipment in this embodiment, can realize the automated inspection of membrane electrode tablet and bipolar plate tablet thickness, and according to the thickness that detects, the automatic grouping of realizing membrane electrode tablet and bipolar plate tablet thickness is placed, tablet snatch the mobile device wherein and can realize the membrane electrode tablet, the removal between bipolar plate tablet loading attachment and tablet thickness measuring device, tablet thickness measuring device and tablet grouping device 46, avoid artifical the participation, be suitable for in the measurement of batched membrane electrode tablet and bipolar plate tablet thickness and group and place the operation.

Seventh embodiment

The utility model discloses the seventh embodiment provides a tablet thickness measuring equipment, its difference with the sixth embodiment lies in, does not set up the pile position among the loading attachment, and does not set up charging tray stacking mechanism, and like this, the charging tray is direct to be carried to the unloading district from the loading district, and the last membrane electrode tablet quantity that once only can the material loading of loading attachment is 600, and bipolar plate tablet quantity is 300, and artifical material loading interval shortens.

Eighth embodiment

The utility model provides an eighth embodiment provides a tablet thickness measuring equipment, its difference with the sixth embodiment is in, loading attachment, tablet thickness measuring device and tablet grouping device set up one respectively in the tablet thickness measuring equipment, and the tablet snatchs the mobile device and sets up a set of, and the tablet thickness measuring device is the same with the tablet thickness measuring device's of first embodiment structure, and this tablet thickness measuring equipment is used for measuring the thickness of membrane electrode tablet to divide into groups according to thickness to the membrane electrode tablet. In other embodiments, the material sheet thickness measuring device has the same structure as the material sheet thickness measuring device in the second embodiment, and the material sheet thickness measuring device is used for measuring the thickness of bipolar plate material sheets and grouping the bipolar plate material sheets according to the thickness.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The material sheet thickness measuring device is characterized by comprising a thickness measuring table, a pressing plate assembly, a pressing plate driving cylinder, a displacement sensor and a material sheet moving assembly;

2. The web thickness measuring device according to claim 1, wherein a first through hole is provided in the thickness measuring table, the first through hole extending in an arrangement direction of the loading level, the thickness measuring level, and the unloading level;

the tablet removes the subassembly and is located the downside of survey thick platform, tablet removes the subassembly and includes jacking actuating mechanism and tablet supporting mechanism, jacking actuating mechanism connects tablet supporting mechanism passes in the upper and lower direction with the drive tablet supporting mechanism first perforation, tablet supporting mechanism is used for the bearing the tablet, jacking actuating mechanism with survey thick platform is in sliding fit on the first perforated extending direction.

3. The material sheet thickness measuring device according to claim 2, wherein a second through hole communicated with the first through hole is further formed in the thickness measuring table, and the second through hole is formed in each of the feeding position, the thickness measuring position and the discharging position;

4. The material sheet thickness measuring device according to any one of claims 1 to 3, wherein the pressure plate assembly comprises a fixed pressure plate and a movable pressure plate located below the fixed pressure plate, the movable pressure plate is used for being in press fit with the material sheet, the fixed pressure plate is mounted at the driving end of the pressure plate driving cylinder, the movable pressure plate is movably mounted on the fixed pressure plate in the up-down direction, and a spring is arranged between the movable pressure plate and the fixed pressure plate;

5. The web thickness measuring apparatus according to any one of claims 1 to 3, wherein the displacement sensors are plural and arranged at intervals on the plate surface of the platen assembly.

6. The web thickness measuring apparatus according to any one of claims 1 to 3, further comprising a static electricity eliminating assembly located on a lower side of the platen assembly, the static electricity eliminating assembly being mounted on the thickness measuring table for eliminating static electricity on the web.

7. The web thickness measuring apparatus according to any one of claims 1 to 3, wherein the displacement sensor is a laser reflection type displacement sensor or a contact type displacement sensor.

8. A web thickness measuring apparatus comprising a feeding device, a web thickness measuring device according to any one of claims 1 to 7, a web grouping device, and a web grasping and moving device;

the material sheet grouping device comprises a material tray frame, wherein a plurality of material trays are arranged on the material tray frame and used for grouping and placing material sheets with different thicknesses.

9. The apparatus according to claim 8, wherein the feeding device further has a stacking position disposed between the feeding region and the blanking region and on a conveying line of the web conveying mechanism;

10. The material sheet thickness measuring equipment according to claim 8, wherein the empty tray jacking and moving mechanism comprises an empty tray jacking driving assembly and a belt conveying assembly, the conveying direction of the belt conveying assembly is perpendicular to the conveying direction of the material sheet conveying mechanism, the belt conveying assembly is installed at the driving end of the empty tray jacking driving assembly, and a belt of the belt conveying assembly can drive an empty tray to be separated from the conveying line of the material sheet conveying mechanism upwards under the action of the empty tray jacking driving assembly.