Resistor disc assembling device and liquid level sensor manufacturing equipment

Abstract

The utility model belongs to the technical field of liquid level sensor manufacturing, solves the defects of low efficiency, accuracy and stability in the existing resistor disc assembling, and provides a resistor disc assembling device, which comprises a material sucking mechanism, a material conveying mechanism, a material conveying mechanism and a material conveying mechanism, the resistor disc is used for the liquid level sensor, and the liquid level sensor comprises a framework and the resistor disc assembled in the framework. The supporting mechanism comprises a supporting assembly forming a sliding groove, and the adsorption assembly releases the adsorbed resistor disc into the sliding groove; the material pushing mechanism comprises a material pushing assembly with a sliding block, and the sliding block pushes the resistor discs to reciprocate in the sliding groove in the first direction; the shifting mechanism is used for applying moving force for moving in the first direction to the resistor disc; the limiting mechanism is used for detachably and fixedly mounting the framework; and the fixing mechanism is used for fixing the resistor discs pushed into the framework. The resistor disc assembling device has the advantages of being high in efficiency, accuracy and stability when being used for assembling resistor discs.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid level sensor manufacturing technical field especially relates to a resistance sheet assembly device and liquid level sensor manufacturing equipment. BACKGROUND

[0002] For the prior art liquid level sensor such as contact type, it utilizes the contact on the rotary reed rotating on the resistance sheet to change the resistance value, so as to realize the output of sensing signal. The liquid level sensor is generally arranged in the fuel tank of the fuel vehicle, and the oil level in the fuel tank is obtained according to the sensing signal, so that the oil level is indicated by the oil gauge of the vehicle. The liquid level sensor comprises a framework and a resistance sheet, and the resistance sheet needs to be assembled in the framework. However, in the prior art, on the one hand, for the assembly of the resistance sheet, either a traditional manual method is used, and the assembly efficiency is extremely low, or a simple tooling semi-automatic method is used, and the personal participation degree is large, and the assembly efficiency is still very low. On the other hand, generally speaking, one framework can assemble resistance sheets of the same size but different models, and therefore, the accuracy and stability of the assembly of the resistance sheet in the framework play a crucial role in the accuracy of the sensing signal. However, the prior art resistance sheet assembly method has low accuracy and stability of assembly, which reduces the accuracy of the sensing signal.

[0003] In summary, the prior art has the technical problems of low efficiency, accuracy and stability of the assembly of the resistance sheet. SUMMARY

[0004] The utility model discloses to the above prior art for the assembly of the resistance sheet has the deficiency that the efficiency, accuracy and stability are all low, in order to realize the purpose of the utility model, a resistance sheet assembly device is provided, which comprises: a suction mechanism comprising a driving assembly and a suction assembly, the driving assembly drives the suction assembly to adsorb the resistance sheet, the resistance sheet is used for liquid level sensor, and the liquid level sensor comprises a framework and a resistance sheet assembled in the framework;A supporting mechanism comprising a supporting assembly, the supporting assembly forms a chute, and the suction assembly releases the adsorbed resistance sheet into the chute;A pushing mechanism comprising a pushing assembly, the pushing assembly comprises a sliding block, and the sliding block reciprocates relative to the chute to push the resistance sheet to move in the chute along a first direction;A displacement mechanism for applying a moving force to the resistance sheet along the first direction;A limiting mechanism for detachably fixing and installing the framework, and the resistance sheet is pushed into the framework;A fixing mechanism for fixing the resistance sheet that has been pushed into the framework.

[0005] Further, the driving assembly comprises a lifting cylinder and a rotating cylinder, the suction assembly comprises a rotating rod and a suction head, the two ends of the rotating rod are connected with the rotating cylinder and the suction head respectively, the lifting cylinder drives the lifting of the rotating cylinder, and the rotating cylinder drives the rotation of the rotating rod to enable the suction head to adsorb and release the resistance sheet.

[0006] Further, the supporting assembly comprises a supporting block, a pair of supporting plates and a pair of fixing plates, the pushing assembly comprises a first driving cylinder, a piston rod of the first driving cylinder is drivingly connected with a sliding block, the sliding block comprises a block main body and a sliding plate, the supporting block is provided with a block groove, the pair of supporting plates are provided with protruding plates which protrude from each other and are suspended above the block groove, the protruding plates are located close to the lower part of the supporting block on the corresponding supporting plates, a sliding groove is formed between the pair of supporting plates and above the two protruding plates, the fixing plates fix the supporting plates on the supporting block, the two protruding plates have a spacing space therebetween, and a resistance sheet is slidingly supported on the two protruding plates, the block main body moves back and forth in the spacing space so that the sliding plate moves back and forth on the two protruding plates.

[0007] Further, the limiting mechanism comprises a positioning plate and a first elastic pressing assembly, the first elastic pressing assembly comprises a first pressing block, a plurality of first pressing columns, a plurality of first elastic members respectively sleeved on the outer periphery of a first pressing column and a first limiting plate, the positioning plate and the first limiting plate are oppositely arranged in the first direction and form a limiting groove therebetween, the first pressing block receives a first pressing force parallel to the first direction and an elastic restoring force of the first elastic members, so that the first limiting plate is subjected to an acting force by the first pressing columns to limit the skeleton to remain unchanged in position in the limiting groove, and after the first pressing force is no longer applied, the first pressing block can relatively move away from the positioning plate in the first direction.

[0008] Further, the fixing mechanism comprises a pair of connecting plates, a first supporting plate and a first fixing assembly, the pair of connecting plates are fixedly connected with the two sides of the supporting block respectively, the first supporting plate is fixedly connected with the pair of connecting plates, the first fixing assembly comprises a second driving cylinder and a first fixing member, the limiting mechanism further comprises a second elastic pressing assembly, the second driving cylinder drives the first fixing member to move in a second direction, the second direction is perpendicular to the first direction, the second elastic pressing assembly comprises a second pressing block, a plurality of second pressing columns, a plurality of second elastic members respectively sleeved on the outer periphery of a second pressing column and a second limiting plate, the second pressing block receives a second pressing force parallel to the second direction and an elastic restoring force of the second elastic members, so that the second limiting plate is subjected to an acting force by the second pressing columns to make the second limiting plate and the first fixing member respectively press against the two sides of the skeleton parallel to the second direction to remain unchanged in position, and after the second pressing force is no longer applied, the second pressing block can relatively move away from the first fixing member in the second direction.

[0009] Further, the fixing mechanism further comprises a second supporting plate and a second fixing assembly, the second supporting plate is fixedly connected with the pair of connecting plates, the first supporting plate and the second supporting plate are respectively fixedly arranged above and laterally to the pair of connecting plates, the second fixing assembly comprises a third driving cylinder and a second fixing member, a piston rod of the third driving cylinder is drivingly connected with a transmission plate, the second fixing member is fixedly connected with the transmission plate, and the third driving cylinder drives the second fixing member to move parallel to the second direction.

[0010] Furthermore, the shifting mechanism includes a first roller and a second roller, and the resistor sheet assembly device also includes a limiting frame arranged between the first roller and the frame. The limiting frame has a pair of spring arms and a through groove located below the spring arms. The first roller is located between a support plate and a spring arm. The first roller, in conjunction with a sliding plate, moves the resistor sheet pushed below it to the limiting groove. The through groove limits the resistor sheet moved into it by the first roller and allows it to pass through. The spring arm applies a spring force to the resistor sheet in the direction of the through groove. The second roller is located on a transmission plate. The second roller and the second fixing member abut against the resistor sheet one after the other. The second roller further moves the resistor sheet that has been sent into the limiting groove into place. The second fixing member presses against the resistor sheet that has been moved into place. The first fixing member and the second fixing member fix the resistor sheet by applying pressure, heating and / or dispensing glue.

[0011] Furthermore, the resistor assembly device also includes a moving mechanism, which includes a fourth driving cylinder, a moving block, a moving plate, a pair of guide grooves, and a pair of support legs. The piston rod of the fourth driving cylinder is driven to connect with the moving block. One side of the moving plate is fixedly connected to the moving block. The other side of the moving plate supports a support block and a first driving cylinder. One end of the pair of support legs is fixedly connected to the moving plate, and the other end is slidably connected to a guide groove. The fourth driving cylinder drives the moving plate to reciprocate parallel to the first direction.

[0012] Furthermore, the resistor assembly device also includes a feeding mechanism, an identification mechanism, and a recycling mechanism. The feeding mechanism includes a support, a fifth drive cylinder, and a support plate. The support plate is driven to connect with the piston rod of the fifth drive cylinder. The support plate has a mold groove for accommodating resistors. The fifth drive cylinder drives the support plate to reciprocate relative to the adsorption head. The mold groove is used to receive resistors. The identification mechanism includes a vision detector, which is located above the mold groove and is used to identify whether the resistors in the mold groove are qualified. The recycling mechanism includes a recycling box and a guide rack. The adsorption head adsorbs the resistors identified as qualified in the mold groove and releases them into the chute, or the adsorption head adsorbs the resistors identified as unqualified in the mold groove and releases them into the guide rack so that they fall into the recycling box.

[0013] To achieve another objective of this utility model, a liquid level sensor manufacturing apparatus is provided, including a resistor assembly device for any of the above.

[0014] The beneficial effects of this utility model are as follows:

[0015] This utility model of a resistor assembly device and a liquid level sensor manufacturing equipment reliably moves the resistor into the frame through a pusher mechanism and a shifting mechanism, and accurately limits the position of the frame and fixes the relative position of the resistor and the frame through a limiting mechanism and a fixing mechanism. The various mechanisms that perform their respective functions cooperate with each other to achieve highly automated assembly, thus providing advantages of high efficiency, accuracy and reliability in resistor assembly. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly introduced as follows, and for those skilled in the art, other drawings can also be obtained without creative labor on the premise that these drawings are within the protection scope of the present application.

[0017] Figure 1 It is an overall structure schematic view of the resistance sheet assembling device in another visual angle according to the embodiment of the present application.

[0018] Figure 2 It is an overall structure schematic view of the resistance sheet assembling device in another visual angle according to the embodiment of the present application.

[0019] Figure 3 It is a structure schematic view of the material suction mechanism of the resistance sheet assembling device according to the embodiment of the present application.

[0020] Figure 4 It is an overall structure schematic view of the supporting mechanism, the material pushing mechanism, the displacement mechanism, the limiting mechanism and the moving mechanism of the resistance sheet assembling device in another visual angle according to the embodiment of the present application.

[0021] Figure 5 It is an overall structure schematic view of the supporting mechanism, the material pushing mechanism, the displacement mechanism, the limiting mechanism and the moving mechanism of the resistance sheet assembling device in another visual angle according to the embodiment of the present application.

[0022] Figure 6 It is a structure schematic view of the limiting mechanism of the resistance sheet assembling device in another visual angle according to the embodiment of the present application.

[0023] Figure 7 It is a structure schematic view of the limiting mechanism of the resistance sheet assembling device in another visual angle according to the embodiment of the present application.

[0024] Figure 8 It is a structure schematic view of the fixing mechanism of the resistance sheet assembling device in another visual angle according to the embodiment of the present application.

[0025] Figure 9 It is a structure schematic view of the fixing mechanism of the resistance sheet assembling device in another visual angle according to the embodiment of the present application.

[0026] Figure 10 It is a structure schematic view of the liquid level sensor for being made by the liquid level sensor manufacturing equipment according to the embodiment of the present application in another visual angle.

[0027] Figure 11 It is a structure schematic view of the liquid level sensor for being made by the liquid level sensor manufacturing equipment according to the embodiment of the present application in another visual angle.

[0028] BRIEF DESCRIPTION OF DRAWINGS

[0029] 1, suction mechanism; 11, lifting cylinder; 12, rotating cylinder; 13, rotating rod; 14, suction head; 2, supporting mechanism; 21, sliding groove; 22, supporting block; 221, block groove; 23, supporting plate; 231, protruding plate; 24, fixed plate; 3, pushing mechanism; 31, sliding block; 311, block main body; 312, sliding plate; 32, first driving cylinder; 4, shifting mechanism; 41, first roller; 42, second roller; 5, limiting mechanism; 51, positioning plate; 52, first elastic pressing assembly; 521, first pressing block; 522, first pressing column; 523, first elastic member; 524, first limiting plate; 53, limiting groove; 54, second elastic pressing assembly; 541, second pressing block; 542, second pressing column; 543, second elastic member; 544, second limiting plate; 6, fixing mechanism; 61, connecting plate; 62, first supporting plate; 63, first fixing assembly; 631, second driving cylinder; 632, first fixing member; 64, second supporting plate; 65, second fixing assembly; 651, third driving cylinder; 652, second fixing member; 66, transmission plate; 7, limiting frame; 71, elastic arm; 72, through groove; 8, moving mechanism; 81, fourth driving cylinder; 82, moving block; 83, moving plate; 84, guide groove; 85, supporting leg; 9, feeding mechanism; 91, support; 92, fifth driving cylinder; 93, supporting plate; 931, mold groove; 10, recycling mechanism; 101, recycling box; 102, guide frame; 20, resistance sheet; 30, framework; 40, rocker arm; 50, spring; 60, reed. DETAILED DESCRIPTION

[0030] For the purpose, technical scheme and advantages of the embodiments of the present application to be clearer, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. It should be noted that in this article, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between the entities or operations. In the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the elements limited by the statement "include" do not exclude the presence of other identical elements in the process, method, article or device including the elements. If there is no conflict, the embodiments of the present application and each feature in the embodiments can be combined with each other, and are all within the protection scope of the present application.

[0031] Reference Figures 1 to 11, as a utility model of one purpose, provide a resistance sheet assembly device, it includes suction mechanism 1, supporting mechanism 2, push mechanism 3, shift mechanism 4, limiting mechanism 5 and fixed mechanism 6.Suction mechanism 1 includes drive assembly and adsorption assembly, drive assembly drives adsorption assembly to adsorb resistance sheet 20, the resistance sheet 20 is used for liquid level sensor, liquid level sensor includes framework 30 and is assembled in the resistance sheet 20 in framework 30, more specifically, liquid level sensor includes the above-mentioned framework 30 and resistance sheet 20 and rocker arm 40, spring 50 and reed 60, reed 60 is fixed on rocker arm 40 and rocker arm 40 is rotatably arranged on resistance sheet 20, spring 50 is arranged between framework 30 and rocker arm 40 to apply elastic force to the relative position of reed 60 and resistance sheet 20, rocker arm 40 is rotated at different angles by receiving for example the change of gasoline buoyancy in oil tank relative to resistance sheet 20 in turn makes the contact on reed 60 change resistance value, reach the purpose of realizing the output of sensing signal.Supporting mechanism 2 includes supporting assembly, and the supporting assembly forms a chute 21, and the adsorption assembly releases the adsorbed resistance sheet 20 into the chute 21.Push mechanism 3 includes push assembly, and the push assembly includes sliding block 31, and the sliding block 31 reciprocating motion relative to the chute 21 to push resistance sheet 20 in the chute 21 along the first direction moves.Shift mechanism 4 is used to apply the moving force of moving along the first direction to resistance sheet 20.Limiting mechanism 5 is used to separably fixedly install a framework 30, and resistance sheet 20 is pushed into the framework 30.Fixed mechanism 6 is used to fix resistance sheet 20 that has been pushed into the framework 30.Therefore, the resistance sheet assembly device provided by the utility model embodiment realizes high-automation assembly by setting up each function mechanism realizing corresponding function mutually, has very high efficiency, and especially utilizes push mechanism 3 and shift mechanism 4 to reliably move resistance sheet 20 into framework 30 and utilizes limiting mechanism 5 and fixed mechanism 6 to respectively accurately limit the position of framework 30 and fix the relative position of resistance sheet 20 and framework 30, so that, the resistance sheet assembly device of the utility model has the advantages of high efficiency, accuracy and stability for the assembly of resistance sheet 20.

[0032] Please refer to Figures 1 to 3, specifically, the driving assembly includes a lifting cylinder 11 and a rotating cylinder 12, the suction assembly includes a rotating rod 13 and a suction head 14, both ends of the rotating rod 13 are connected with the rotating cylinder 12 and the suction head 14 respectively, the lifting cylinder 11 drives the lifting of the rotating cylinder 12, and the rotating cylinder 12 drives the rotation of the rotating rod 13 to enable the suction and release of the suction head 14 to the resistance sheet 20. In this way, the material suction mechanism 1 can adapt to the chute 21 in different directions and accurately release the resistance sheet 20 into the chute 21, and in particular, the material suction mechanism 1 can use the lifting cylinder 11 and the rotating cylinder 12 to move the suction head 14 to the relative positions of the feeding mechanism 9, the identification mechanism and the recycling mechanism 10 (which will be described further below) respectively to realize different functions of suction, identification and recycling of the resistance sheet 20, thereby realizing various functions with high automation and reliability.

[0033] Please refer to Figure 4 and Figure 5 , specifically, the supporting assembly includes a supporting block 22, a pair of supporting plates 23 and a pair of fixing plates 24, the pushing assembly includes a first driving cylinder 32, the piston rod of the first driving cylinder 32 is drivingly connected with a sliding block 31, the sliding block 31 includes a block main body 311 and a sliding plate 312, the supporting block 22 is provided with a block groove 221, the pair of supporting plates 23 are provided with protruding plates 231 which protrude from each other and are suspended above the block groove 221, the protruding plates 231 are located close to the lower part of the supporting block 22 on the corresponding supporting plate 23, the chute 21 is formed between the pair of supporting plates 23 and above the two protruding plates 231, the fixing plates 24 fix the supporting plates 23 on the supporting block 22, the two protruding plates 231 have a spacing space therebetween, the resistance sheet 20 is slidingly supported on the two protruding plates 231, the block main body 311 moves reciprocally in the spacing space to make the sliding plate 312 reciprocally slide on the two protruding plates 231, and the reciprocating movement of the block main body 311 driven by the first driving cylinder 32 can return to the original position after pushing the resistance sheet 20 into the framework 30, thereby providing the empty chute 21 again to receive the resistance sheet 20 released by the suction head 14 again. In this way, through the specific arrangement of the above-mentioned supporting assembly and pushing assembly, the resistance sheet 20 in the chute 21 can be smoothly and reliably moved to the accurate position of the framework 30.

[0034] Please refer to Figures 4 to 7Specifically, the limiting mechanism 5 comprises a positioning plate 51 and a first elastic pressing assembly 52, the first elastic pressing assembly 52 comprises a first pressing block 521, a plurality of first pressing columns 522, a plurality of first elastic members 523 respectively sleeved on the outer periphery of one first pressing column 522 and a first limiting plate 524, the positioning plate 51 and the first limiting plate 524 are oppositely arranged in the first direction and a limiting groove 53 is formed between the positioning plate 51 and the first limiting plate 524, the first pressing block 521 receives a first pressing force parallel to the first direction and opposite to the first direction and an elastic restoring force of the first elastic member 523, so that the first limiting plate 524 is applied with a force by the first pressing column 522 to limit the skeleton 30 to keep the position unchanged in the limiting groove 53, and after the first pressing force is no longer applied, the first pressing block 521 can be relatively away from the positioning plate 51 in the first direction. Thus, by adopting the above-mentioned first elastic pressing assembly 52, the position of the skeleton 30 in the first direction can be reliably kept so as to ensure that the position of the resistance sheet 20 moving into the skeleton 30 is accurate, and the skeleton 30 can be conveniently taken out in the subsequent process.

[0035] Please refer to Figures 4 to 9 Specifically, the fixing mechanism 6 comprises a pair of connecting plates 61, a first supporting plate 62 and a first fixing assembly 63, the pair of connecting plates 61 are respectively fixedly connected with the two sides of the supporting block 22, the first supporting plate 62 is fixedly connected with the pair of connecting plates 61, the first fixing assembly 63 comprises a second driving cylinder 631 and a first fixing member 632, the limiting mechanism 5 further comprises a second elastic pressing assembly 54, the second driving cylinder 631 drives the first fixing member 632 to move in the second direction, and by using the second driving cylinder 631 to move the first fixing member 632 in the second direction, friction or interference with the resistance sheet 20 can be avoided and resistance sheets 20 of different thicknesses can be adapted. The second direction is perpendicular to the first direction, and in the embodiment, the first direction is a horizontal direction and the second direction is a vertical direction. The second elastic pressing assembly 54 comprises a second pressing block 541, a plurality of second pressing columns 542, a plurality of second elastic members 543 respectively sleeved on the outer periphery of one second pressing column 542 and a second limiting plate 544, the second pressing block 541 receives a second pressing force parallel to the second direction and an elastic restoring force of the second elastic member 543, so that the second limiting plate 544 is applied with a force by the second pressing column 542 to make the second limiting plate 544 and the first fixing member 632 respectively press the two sides of the skeleton 30 in parallel to the second direction to keep the position unchanged, and after the second pressing force is no longer applied, the second pressing block 541 can be relatively away from the first fixing member 632 in the second direction. In this way, by adopting the above-mentioned second elastic pressing assembly 54 and the first fixing member 632 to oppositely press the resistance sheet 20, the position of the resistance sheet 20 in the skeleton 30 in the second direction can be reliably kept so as to ensure that the position of the resistance sheet 20 moving into the skeleton 30 is accurate, the skeleton 30 can be conveniently taken out in the subsequent process, and the position of the resistance sheet 20 in the skeleton 30 can be fixed by the first fixing member 632.

[0036] Please refer to Figure 8 and Figure 9 In particular, the fixing mechanism 6 further comprises a second support plate 64 and a second fixing assembly 65. The second support plate 64 is fixedly connected with the pair of connecting plates 61. The first support plate 62 and the second support plate 64 are respectively fixedly arranged above and laterally to the pair of connecting plates 61. The second fixing assembly 65 comprises a third driving cylinder 651 and a second fixing member 652. The piston rod of the third driving cylinder 651 is drivingly connected with a transmission plate 66. The second fixing member 652 is fixedly connected with the transmission plate 66. The third driving cylinder 651 drives the second fixing member 652 to move in parallel to the second direction. Thus, by using the third driving cylinder 651 to move the second fixing member 652 in the second direction, not only can the friction or interference with the resistance sheet 20 be avoided and the resistance sheet 20 of different thicknesses can be adapted, but also the resistance sheet 20 can be stably supported.

[0037] Please refer to the drawings. In particular, the shifting mechanism 4 comprises a first roller 41 and a second roller 42. The resistance sheet assembling device further comprises a limiting frame 7 arranged between the first roller 41 and the skeleton 30. The limiting frame 7 is provided with a pair of elastic arms 71 and a through slot 72 located below the elastic arms 71. The first roller 41 is arranged between a supporting plate 23 and an elastic arm 71. The first roller 41 cooperates with the sliding plate 312 to move the resistance sheet 20 pushed thereunder to the limiting slot 53. The through slot 72 limits the resistance sheet 20 moved into the first roller 41 and allows it to pass through. The elastic arms 71 apply elastic pressure to the resistance sheet 20 in the direction of the through slot 72. The second roller 42 is arranged on the transmission plate 66. The second roller 42 abuts against the resistance sheet 20 in sequence with the second fixing member 652. The second roller 42 further moves the resistance sheet 20 already moved into the limiting slot 53 to the position. The second fixing member 652 abuts against the resistance sheet 20 after being moved to the position. The first fixing member 632 and the second fixing member 652 fix the resistance sheet 20 by means of pressurization, heating or / and glueing. In this way, the first roller 41 and the second roller 42 arranged can apply frictional force to the opposite front and back surfaces of the resistance sheet 20 to make the movement of the resistance sheet 20 in the first direction more stable. The limiting frame 7 can better limit the movement of the resistance sheet 20. After the second roller 42 moves the resistance sheet 20 to the position, the second fixing member 652 is driven by the third driving cylinder 651 to move downward to abut against the resistance sheet 20. Thus, the friction of the second fixing member 652 to the resistance sheet 20 and the fixing of the resistance sheet 20 to the skeleton 30 at the preset position can be avoided.

[0038] Please refer to Figure 2 , Figure 4 and Figure 5, specifically, the resistance sheet assembly device further comprises a moving mechanism 8, the moving mechanism 8 comprises a fourth driving cylinder 81, a moving block 82, a moving plate 83, a pair of guide slots 84 and a pair of supporting legs 85, the piston rod of the fourth driving cylinder 81 is drivingly connected with the moving block 82, one side surface of the moving plate 83 is fixedly connected with the moving block 82, the other side surface of the moving plate 83 supports the supporting block 22 and the first driving cylinder 32, one end of the pair of supporting legs 85 is fixedly connected with the moving plate 83 and the other end is slidingly connected with one guide slot 84 respectively, the fourth driving cylinder 81 drives the moving plate 83 to reciprocate parallel to the first direction. In this way, the supporting mechanism 2 and the pushing mechanism 3 are driven by the moving mechanism 8 to relatively abut against and move away from the limiting mechanism 5 along the first direction, so that the limiting mechanism 5 is relatively rotated to drive the skeleton 30 without the assembled resistance sheet 20 to abut against and cooperate with the supporting mechanism 2 and the pushing mechanism 3 without interference and to move away from the supporting mechanism 2 and the pushing mechanism 3 to receive the next process of manufacturing.

[0039] Please refer to Figure 1 and Figure 2 , specifically, the resistance sheet assembly device further comprises a feeding mechanism 9, an identification mechanism and a recycling mechanism 10, the feeding mechanism 9 comprises a support 91, a fifth driving cylinder 92 and a supporting plate 93, the supporting plate 93 is drivingly connected with the piston rod of the fifth driving cylinder 92, the supporting plate 93 is provided with a mold groove 931 for accommodating the resistance sheet 20, the fifth driving cylinder 92 drives the supporting plate 93 to reciprocate relative to the suction head 14, thus the feeding mechanism 9 can continuously supply the resistance sheet 20 for the suction mechanism 1 with high automation, the mold groove 931 is used for receiving the resistance sheet 20, the identification mechanism comprises a visual detector, the visual detector has a machine vision function, the visual detector is arranged above the mold groove 931 and is used for identifying whether the resistance sheet 20 in the mold groove 931 is qualified, the recycling mechanism 10 comprises a recycling box 101 and a guide rack 102, the suction head 14 suctions the resistance sheet 20 in the mold groove 931 identified as qualified and releases it into the chute 21 or suctions the resistance sheet 20 in the mold groove 931 identified as unqualified and releases it into the guide rack 102 to fall into the recycling box 101, it is known that the unqualified resistance sheet 20 includes the resistance sheet 20 whose model, mounting surface, resistance sheet surface circuit layout design and the like do not match the skeleton 30, so as to ensure that the correct resistance sheet 20 is assembled in the skeleton 30, thereby ensuring the quality of the liquid level sensor.

[0040] As another purpose of the utility model, the utility model further provides a liquid level sensor manufacturing equipment (not shown), which comprises the resistance sheet assembling device of any one of the above, the liquid level sensor manufacturing equipment comprises multiple stations, and the resistance sheet assembling device is correspondingly located at a resistance sheet mounting station.

[0041] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and any modifications, equivalent replacements and improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A resistance chip assembling apparatus characterized by comprising: The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton.

2. The resistance sheet assembling apparatus according to claim 1, wherein The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton.

3. The resistance sheet assembling apparatus according to claim 1, wherein The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton.

4. The resistance sheet assembling apparatus according to claim 3, wherein The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. 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The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application relates to a liquid level sensor, which comprises a skeleton and a resistance sheet assembled in the skeleton. The application 5. The resistance sheet assembling apparatus according to claim 4, wherein The fixing mechanism comprises a pair of connecting plates, a first support plate and a first fixing assembly, the connecting plates are fixedly connected with two sides of the support block respectively, the first support plate is fixedly connected with the connecting plates, the first fixing assembly comprises a second driving cylinder and a first fixing member, the limiting mechanism further comprises a second elastic pressing assembly, the second driving cylinder drives the first fixing member to move in a second direction, the second direction is perpendicular to the first direction, the second elastic pressing assembly comprises a second pressing block, a plurality of second pressing columns, a plurality of second elastic members respectively sleeved on the outer periphery of the second pressing columns and a second limiting plate, the second pressing block receives a second pressing force parallel to the second direction and an elastic restoring force of the second elastic member, so that the second limiting plate and the first fixing member press the two sides of the framework respectively along the second direction to keep the position unchanged, after the second pressing force is no longer applied, the second pressing block can relatively move away from the first fixing member along the second direction.

6. The resistance sheet assembling apparatus according to claim 5, wherein The fixing mechanism further comprises a second support plate and a second fixing assembly, the second support plate is fixedly connected with the connecting plates, the first support plate and the second support plate are fixedly arranged above and on the side of the connecting plates respectively, the second fixing assembly comprises a third driving cylinder and a second fixing member, the piston rod of the third driving cylinder is drivingly connected with a transmission plate, the second fixing member is fixedly connected with the transmission plate, the third driving cylinder drives the second fixing member to move parallel to the second direction.

7. The resistance sheet assembling apparatus according to claim 6, wherein The shifting mechanism comprises a first roller and a second roller, the resistance sheet assembling device further comprises a limiting frame arranged between the first roller and the framework, the limiting frame is provided with a pair of elastic arms and a through slot below the elastic arms, the first roller is arranged between the support plate and the elastic arm, the first roller cooperates with the sliding plate to move the resistance sheet pushed thereunder to the limiting slot, the through slot limits the resistance sheet moved into the first roller and allows it to pass through, the elastic arm applies an elastic pressing force to the resistance sheet in the direction of the through slot, the second roller is arranged on the transmission plate, the second roller and the second fixing member abut the resistance sheet in sequence, the second roller further moves the resistance sheet moved into the limiting slot to the position, the second fixing member presses the resistance sheet after being moved to the position, the first fixing member and the second fixing member fix the resistance sheet by pressing, heating or / and gluing.

8. The resistance sheet assembling apparatus according to claim 3, wherein The resistance sheet assembling device further comprises a moving mechanism, the moving mechanism comprises a fourth driving cylinder, a moving block, a moving plate, a pair of guide slots and a pair of supporting legs, the piston rod of the fourth driving cylinder is drivingly connected with the moving block, one side surface of the moving plate is fixedly connected with the moving block, the supporting block and the first driving cylinder are supported on the other side surface of the moving plate, one end of the pair of supporting legs is fixedly connected with the moving plate and the other end is slidingly connected with one of the guide slots, the fourth driving cylinder drives the moving plate to reciprocatingly move parallel to the first direction.

9. The resistance sheet assembling device according to claim 2, wherein, The resistance sheet assembling device further comprises a feeding mechanism, an identifying mechanism and a recycling mechanism, the feeding mechanism comprises a support, a fifth driving cylinder and a supporting plate, the supporting plate is drivingly connected with the piston rod of the fifth driving cylinder, the supporting plate is provided with a mold groove for accommodating the resistance sheet, the fifth driving cylinder drives the supporting plate to reciprocatingly move relative to the adsorption head, the mold groove is used for receiving the resistance sheet, the identifying mechanism comprises a visual detector, the visual detector is arranged above the mold groove and is used for identifying whether the resistance sheet in the mold groove is qualified, the recycling mechanism comprises a recycling box and a guide frame, the adsorption head adsorbs the resistance sheet in the mold groove which is identified as qualified and releases the resistance sheet into the chute or adsorbs the resistance sheet in the mold groove which is identified as unqualified and releases the resistance sheet into the guide frame to fall into the recycling box.

10. A liquid level sensor manufacturing device, comprising the resistance sheet assembling device according to any one of claims 1-9.

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