CN109048384B

CN109048384B - Thermos cup bowl cover leak detection device and thermos cup automated production equipment

Info

Publication number: CN109048384B
Application number: CN201811017886.5A
Authority: CN
Inventors: 王从银
Original assignee: Zhejiang Jiayi Thermal Insulation Technology Co ltd
Current assignee: ZHEJIANG JIAYI THERMAL INSULATION TECHNOLOGY Co.,Ltd.
Priority date: 2018-09-03
Filing date: 2018-09-03
Publication date: 2020-06-30
Anticipated expiration: 2038-09-03
Also published as: CN109048384A

Abstract

The invention relates to automatic production equipment, in particular to a vacuum cup cover leakage detection device and vacuum cup automatic production equipment. A leakage detection device for a cup cover of a vacuum cup comprises a first cover screwing mechanism, a second cup cover placing mechanism, a third cup cover placing mechanism, a jacking mechanism, a leakage detection mechanism, a testing device bottom plate, a movable base plate, a third air cylinder, a second push block, a second push rod, a third movable guide rail, a third movable slide block and a cup cover placing plate; the device screws the welded cup cover on the cup body to perform the operation of detecting leakage of the cup cover; high efficiency, and reduced labor intensity and cost.

Description

Thermos cup bowl cover leak detection device and thermos cup automated production equipment

Technical Field

The invention relates to automatic production equipment, in particular to a vacuum cup cover leakage detection device and vacuum cup automatic production equipment.

Background

The vacuum cup is a container made of ceramic or stainless steel and vacuum layer, the top of the container is covered tightly, the vacuum heat insulating layer can delay the heat dissipation of the liquid such as water in the container, so as to achieve the purpose of heat preservation. The equipment of present thermos cup and bowl cover generally adopts manual assembly, and manual assembly has following defect: 1. the product consistency is poor: the relative position consistency of the cup body and the cup cover can not be ensured; the tightness and the product consistency of the cup body and the cup cover screwed down by different people or the same person under different physical energy states are different; 2. the working strength of personnel is high, the sanitary condition is poor: the manual packaging work intensity is high, and the sanitary condition is not beneficial to the later sanitary guarantee of the product; 3. the production efficiency is low: because the manual packaging production efficiency is low, the labor cost burden is large, and the mass production is difficult to realize.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide a leakage detection device for a cup cover of a vacuum cup, which is used for screwing a welded cup cover on a cup body to perform the operation of detecting the leakage of the cup cover; high efficiency, and reduced labor intensity and cost.

In order to achieve the purpose, the invention adopts the following technical scheme:

a leakage detection device for a cup cover of a vacuum cup comprises a first cover screwing mechanism, a second cup cover placing mechanism, a third cup cover placing mechanism, a jacking mechanism, a leakage detection mechanism, a testing device bottom plate, a movable base plate, a third air cylinder, a second push block, a second push rod, a third movable guide rail, a third movable slide block and a cup cover placing plate; the testing device bottom plate is fixed on the testing rack, the movable substrate is arranged above the testing device bottom plate, and the leakage detecting mechanism is fixedly arranged at the central position of the testing device bottom plate; the jacking mechanism is fixedly arranged on the lower side surface of the movable base plate, is positioned right below the rectangular hole arranged on the right side of the movable base plate and penetrates through the bottom plate of the testing device; the first cover screwing mechanism, the third air cylinder and the third movable guide rail are fixedly arranged on the movable base plate, the third movable guide rail is positioned at the position close to the front of the middle of the movable base plate, the third air cylinder is positioned behind the third movable guide rail, and the first cover screwing mechanism is positioned right behind the middle of the third air cylinder; the second push block is connected with the output end of the third cylinder through a second push rod and is connected with the cup cover placing plate; the third moving slide block is movably connected to the third moving guide rail, and the cup cover placing plate is fixedly arranged on the third moving slide block; the second cup cover placing mechanism and the third cup cover placing mechanism are fixed on the cup cover placing plate in parallel; the welded cup cover is placed on a second cup cover placing mechanism and a third cup cover placing mechanism, a second pushing block pushes a cup cover placing plate to move rightwards under the action of a third air cylinder, when the third cup cover placing mechanism just reaches the position under the first cover screwing mechanism, the third cup cover placing mechanism and the leakage detection mechanism are positioned on the same straight line from top to bottom, the cup cover placing plate stops moving, and the leakage detection mechanism starts to detect leakage of the cup cover after the first cover screwing mechanism finishes screwing action; after the leakage detection action is completed, the cup cover placing plate continues to move rightwards, when the second cup cover placing mechanism reaches the upper, middle and lower mechanisms to be in the same straight line, the cup cover placing plate stops moving, the third cup cover placing mechanism just reaches the position right above the jacking mechanism, and the jacking mechanism jacks up the cup cover to perform the next process.

As a further improvement, the device also comprises a fixing clamp and first supporting upright columns, wherein the four first supporting upright columns are arranged in a matrix form, and the lower ends of the first supporting upright columns are fixedly arranged on a bottom plate of the testing device through the fixing clamp; the movable base plate is fixedly arranged at the upper end of the first supporting upright post through a connecting piece.

As a further improvement, the device also comprises a second buffer and a second buffer fixing plate; the second buffer fixing plates are positioned at two ends of the third movable guide rail, and the second buffer is fixedly arranged on the second buffer fixing plates and plays a role in buffering.

As a further improvement, the first cap screwing mechanism comprises a second fixing component, a first servo motor, a first belt pulley, a first bearing support, a trapezoidal screw rod nut, a first screw rod, a fourth movable guide rail, a fourth movable slider, a second cushion block, a cap screwing vertical fixing plate, a first shaft support seat, a first guide rod, a first bearing fixing seat component, a torsion sensor mounting plate, a second servo motor mounting plate, a torsion sensor, a third bearing support, a second rotating shaft, a support block, a pressing shifting fork, a fourth cylinder support plate, a U-shaped connecting piece, a follower and three-jaw calipers;

the second fixing component is fixedly arranged at the position, close to the rear, in the middle of the movable base plate, the first servo motor is fixedly arranged at the upper end of the second fixing component, the first belt pulley is movably connected to the output end of the first servo motor, and the fourth movable guide rail is longitudinally and fixedly arranged at the position, close to the left, of the second fixing component; the fourth movable sliding block is movably connected to the fourth movable guide rail and moves up and down along the fourth movable guide rail, and the second cushion block is fixedly arranged on the fourth movable sliding block; the first bearing support is fixedly arranged at the middle position of the two fourth movable guide rails, the first screw rod penetrates through the first bearing support and is connected with the second belt pulley through a locking nut, and the second belt pulley rotates along with the first belt pulley through a belt; the trapezoidal screw rod nut is movably connected to the first screw rod and moves up and down along with the rotation of the first screw rod; the screwing cover vertical fixing plate is fixedly arranged on the trapezoidal screw rod nut and the second cushion block and moves up and down along with the movement of the trapezoidal screw rod nut; the first shaft supporting seat is fixedly arranged in the middle of the screwing cover vertical fixing plate, a first guide rod provided with a first bearing fixing seat assembly is fixed on the first shaft supporting seat, the torsion sensor mounting plate is fixedly arranged on the first bearing fixing seat assembly, and the second servo motor mounting plate is fixed on the upper end face of the first bearing fixing seat assembly; the torque sensor, the third bearing support, the support block and the fourth cylinder support plate are fixedly arranged on the torque sensor mounting plate, the torque sensor is positioned in the middle of the torque sensor mounting plate and is positioned under the second servo motor mounting plate, the fourth cylinder support plate is positioned under the torque sensor, the third bearing support is positioned on the fourth cylinder support plate, and the support block is positioned at the lowest end of the torque sensor mounting plate; the pressing shifting fork is connected with the supporting block through a pin; the fourth cylinder is fixed on a fourth cylinder supporting plate, the output end of the fourth cylinder is connected with a U-shaped connecting piece, and the U-shaped connecting piece is connected with the pressing shifting fork through a pin; the upper end of a second rotating shaft penetrates through the torque sensor to be connected with a second servo motor, the lower end of the second rotating shaft is connected with three-jaw calipers, and the three-jaw calipers are connected with a compression shifting fork through a follower;

when the first cap screwing mechanism is used, the first lead screw drives the trapezoidal lead screw nut to move under the action of the first servo motor, so that the cap screwing vertical fixing plate is driven to move up and down along the fourth moving guide rail, and the torque sensor mounting plate also moves up and down at the moment; under the action of the fourth cylinder, the U-shaped connecting piece drives the compression shifting fork to rotate around the follower, and clamping and loosening actions of the three-jaw caliper are completed; the second servo motor provides power for the screw cap, the proper value of the torque force of the screw cap is determined through the sensing action of the torque force sensor, and the second rotating shaft drives the three-jaw caliper to perform screwing action.

As a further improvement, the second cup cover placing mechanism and the third cup cover placing mechanism have the same structure; the second cup cover placing mechanism comprises a second shaft supporting seat, a second guide rod, a front placing assembly, a rear placing assembly and a first stop block, the front placing assembly and the rear placing assembly are identical in structure and are in a front-rear symmetrical relation, the second shaft supporting seat is fixed around a rectangular hole formed in the left side of the cup cover placing plate in a matrix mode, and the second guide rod is longitudinally fixed on the second shaft supporting seat; the first stop block is fixed on the right side of a rectangular hole formed in the left side of the cup cover placing plate, is positioned on two sides of the second guide rod, is fixed in a vertically staggered mode and is used for limiting the limit position of the movement of the front placing assembly and the rear placing assembly; the front placement assembly comprises a fifth cylinder, a fifth cylinder mounting plate, a third push block, a first push plate, a second bearing fixing seat assembly, a positioning mounting piece and a cup cover positioning mounting piece; the fifth cylinder is fixed through a fifth cylinder mounting plate fixed on the front side surface of the cup cover placing plate, the front side of the third push block is connected with the output end of the fifth cylinder, and the lower side surface of the third push block is connected with the first push plate; the positioning installation piece is fixedly installed in the middle of the push plate, and the cup cover positioning installation piece is installed on the positioning installation piece; the first push plate is fixed on the second bearing fixing seat component, and the second bearing fixing seat component is sleeved on the second guide rod.

As a further improvement, the jacking mechanism comprises a fixing jig, a second push plate, a sixth air cylinder vertical mounting plate, a transverse mounting plate, a third shaft supporting seat, a third guide rod, a seventh air cylinder mounting plate and a second supporting upright post; the fixing jigs are symmetrically arranged on two sides of the middle of the second push plate, the second push plate is fixed at the upper end of the sixth air cylinder, the sixth air cylinder is fixed on the sixth air cylinder vertical mounting plate, and the sixth air cylinder vertical mounting plate is vertically fixed on the transverse mounting plate; the third guide rod is fixed on two sides of the lower end face of the transverse mounting plate through a third shaft supporting seat and penetrates through the seventh cylinder mounting plate; the seventh cylinder is fixed at the middle position of the seventh cylinder mounting plate, the telescopic end is connected with the middle position of the transverse mounting plate, and the upper end and the lower end of the second supporting upright post are respectively connected with the movable base plate and the seventh cylinder mounting plate.

As a further improvement, the leakage detection mechanism comprises a third fixing component, an eighth air cylinder fixing component, a guide block component, a fourth push block, a ninth air cylinder, a second rack, a second gear, a third buffer, a fifth movable guide rail, a fifth movable slider, a third cushion block, a rotary hollow shaft, a third rotary shaft, a rotary disc, a test fixture mounting plate, a test fixture, a support block, a tenth air cylinder and a tenth air cylinder fixing plate; the testing device comprises a testing device base plate, a first fixing assembly, a second fixing assembly, a third cylinder fixing assembly, a fourth cylinder fixing assembly, a fifth moving guide rail and a third cylinder fixing assembly, wherein the third fixing assembly is located in the middle of the testing device base plate; the eighth cylinder is fixed on the eighth cylinder fixing assembly, the fourth push block is connected with the output end of the eighth cylinder, the fourth push block moves left and right along the upper end of the guide block assembly, and a bulge at the right end of the fourth push block is just clamped in a groove in the edge of the rotating disc to play a role in fixing; the rear end face of the second rack is connected with the output end of the ninth cylinder, the lower side face of the second rack is connected with a third cushion block, the third cushion block is fixed on a fifth movable sliding block, the fifth movable sliding block is movably connected to a fifth movable guide rail, and two third buffers are arranged at two ends of the fifth movable guide rail; the third rotating shaft is fixed in the middle of the third fixing component, the rotating hollow shaft is connected with the third rotating shaft through a bearing, the upper end of the rotating hollow shaft is connected with the rotating disc, the lower end of the rotating hollow shaft is sleeved with a second gear, and the second gear is meshed with a second rack to drive the rotating disc to rotate; the test fixture mounting plates are fixed on two sides of the transverse central line of the rotating disc and are symmetrical front and back; the supporting blocks are fixed on two sides of the longitudinal center line of the test fixture mounting plate, the telescopic rod of the tenth air cylinder penetrates through the supporting blocks to fix the test fixture mounting plate, and the tenth air cylinder is fixed on the rotating disc through the fixing plate; the test fixture is fixed in the middle of the test fixture mounting plate and positioned between the two supporting blocks, and the cup body is placed in the middle of the test fixture; the bottom of the standard cup body is fixedly arranged on a test fixture, the test fixture is provided with an air passage, and the air passage is connected with a vacuum leakage detection system.

The second purpose of the invention provides automatic production equipment of a vacuum cup, which comprises a cup cover welding device, a cup cover leakage detecting device, a clamping and carrying device, a defective product output device, a cup cover moving device, a depth detecting device, a labeling device, a cup body carrying device, a cup cover screwing device, a vacuum cup discharging and carrying device and a finished product output device; the cup cover welding device is positioned at the leftmost end of the vacuum cup automatic production equipment and is fixedly arranged on the ultrasonic welding rack; the cup cover leakage detection device is positioned at the right end of the cup cover welding device and is fixedly arranged on the leakage detection rack; the cup cover moving device is fixedly arranged on the depth detection device and is positioned at a certain distance below the uppermost end of the depth detection device, the depth detection device is positioned at the front side of the clamping and carrying device, and the labeling device is positioned right below the depth detection device and is used for labeling the thermos cups qualified by the detection of the depth detection device; the cup body carrying device is fixedly arranged on the main line rack and is positioned on the same straight line with the foremost end of the depth detection device, the cup lid screwing device is fixedly arranged at the right end of the main line rack and is positioned at the rear side of the right end of the cup body carrying device, the vacuum cup discharging carrying device is fixedly arranged on a cup lid screwing device fixing seat and is positioned at a position below the cup lid screwing device fixing seat, and the finished product output device is fixedly arranged on the main line rack and is positioned right to the cup lid screwing device; the cup cover leakage measuring device is adopted.

By adopting the technical scheme, the automatic cup cover welding device realizes automatic welding of the cup cover and leakage detection, and simultaneously realizes depth detection of the cup body, labeling and screwing of the cup cover.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is an exploded view of the lid leak detection device.

Fig. 3 is an exploded view of the first screw-on mechanism.

FIG. 4 is a schematic view of a second lid placement mechanism.

Fig. 5 is a schematic view of a jacking mechanism.

Fig. 6 is an exploded view of the leak detection mechanism.

Fig. 7 is an exploded view of the leak detection mechanism.

Detailed Description

The following describes a detailed embodiment of the present invention with reference to the accompanying drawings.

An automatic production device for a vacuum cup as shown in fig. 1 comprises a cup cover welding device 1, a cup cover leakage measuring device 2, a clamping and carrying device 3, a defective product output device 4, a cup cover moving device 5, a depth detecting device 6, a labeling device 7, a cup body carrying device 8, a cup cover screwing device 9, a vacuum cup discharging and carrying device 10 and a finished product output device 11. The cup cover welding device 1 is positioned at the leftmost end of the automatic vacuum cup production equipment, is fixedly arranged on the ultrasonic welding rack and is used for carrying out ultrasonic welding on the cup cover; the cup cover leakage detecting device 2 is positioned at the right end of the cup cover welding device 1, is fixedly arranged on the leakage detecting rack, and is used for detecting whether the cup cover welded by the cup cover welding device 1 is leaked or not so as to ensure the qualification of the cup cover; the clamping and carrying device 3, the defective product output device 4, the depth detection device 6 and the labeling device 7 are positioned on the right side of the cup cover side leakage device 2 and are fixedly arranged on the main line rack; the defective product output device 4 is positioned at the position behind the left side of the main line rack and is used for outputting defective products detected by the cup cover leakage detection device 2 and the depth detection device 6; the clamping and carrying device 3 is positioned at the front side of the defective product output device 4 and is used for clamping and carrying the vacuum cup; the cup cover moving device 5 is fixedly arranged on the depth detection device 6, is positioned at a certain distance below the uppermost end of the depth detection device 6 and is used for moving the cup cover detected by the cup cover leakage detection device 2 to the cup cover screwing device 9; the depth detection device 6 is positioned at the front side of the clamping and transporting device 3 and is used for performing depth detection on the cup body clamped and transported by the clamping and transporting device 3 to ensure the qualification of the depth of the cup body; the labeling device 7 is positioned right below the depth detection device 6 and is used for labeling the thermos cup qualified by the detection of the depth detection device 6; the cup body carrying device 8 is fixedly arranged on the main line rack, is positioned on the same straight line with the foremost end of the depth detection device 6 and is used for carrying the cup body which is labeled by the labeling device 7 to the cup cover twisting device 9; the cup cover screwing device 9 is fixedly arranged at the right end of the main line rack, is positioned at the rear side of the right end of the cup body carrying device 8 and is used for screwing the cup cover and the cup body; the vacuum cup unloading and carrying device 10 is fixedly arranged on a fixed seat of the cup cover screwing device 9, is positioned at a position below the fixed seat of the cup cover screwing device 9 and is used for carrying the vacuum cup processed by the cup cover screwing device 9 to a finished product output device 11; the finished product output device 11 is fixedly arranged on the main line rack, is positioned right to the cup cover screwing device 9 and is used for outputting finished products after a series of processes, and the whole production process is completed.

As shown in fig. 2, the lid leakage detecting device 2 includes a first lid screwing mechanism 21, a second lid placing mechanism 22, a third lid placing mechanism 23, a jacking mechanism 24, a leakage detecting mechanism 25, a testing device bottom plate 26, a fixing clamp 27, a first supporting upright 28, a movable base plate 29, a second buffer 210, a second buffer fixing plate 211, a third cylinder 212, a second push block 213, a second push rod 214, a third movable guide rail 215, a third movable slider 216, and a lid placing plate 217. The testing device base plate 26 is fixed on the testing bench and used for installing other mechanisms; the lower ends of the first supporting columns 28 are fixedly arranged on the testing device bottom plate 26 through fixing clamps 27, and the four first supporting columns 28 are arranged in a matrix form; the movable base plate 29 is fixedly arranged at the upper end of the first supporting upright post 28 through a connecting piece and is used for installing other mechanisms; the leakage detection mechanism 25 is fixedly arranged at the center of the bottom plate 26 of the testing device; the jacking mechanism 24 is fixedly arranged on the lower side surface of the movable base plate 29, is positioned right below the rectangular hole arranged on the right side of the movable base plate 29 and penetrates through the bottom plate 26 of the testing device; the first cover screwing mechanism 21, the second buffer fixing plate 211, the third air cylinder 212 and the third moving guide rail 215 are fixedly arranged on the moving base plate 29, the third moving guide rail 215 is positioned at the position close to the front of the middle of the moving base plate 29, the second buffer fixing plate 211 is positioned at two ends of the third moving guide rail 215, the third air cylinder 212 is positioned behind the third moving guide rail 215, and the first cover screwing mechanism 21 is positioned right behind the middle of the third air cylinder 212; the second push block 213 is connected with the output end of the third cylinder 212 through a second push rod 214, and the second push block 213 is connected with the cup cover placing plate 217; the second buffer 210 is fixedly arranged on the second buffer fixing plate 211 and plays a role of buffering; the third moving slide block 216 is movably connected on the third moving guide rail 215, and the cup cover placing plate 217 is fixedly arranged on the third moving slide block 216; the second cup cover placing mechanism 22 and the third cup cover placing mechanism 23 are fixed on the cup cover placing plate 217 in parallel.

When the cup cover leakage detection device 2 is used, a welded cup cover is placed on the second cup cover placing mechanism 22 and the third cup cover placing mechanism 23, the second push block 213 pushes the cup cover placing plate 217 to move rightwards under the action of the third air cylinder 212, when the third cup cover placing mechanism 23 just reaches the position under the first cover screwing mechanism 21, the third cup cover placing mechanism 23 and the leakage detection mechanism 25 are vertically positioned on the same straight line, the cup cover placing plate 217 stops moving, the first cover screwing mechanism 21 presses downwards to screw the cup cover onto a standard cup body on the leakage detection mechanism 25, and the leakage detection mechanism 25 starts to detect leakage of the cup cover after the cover screwing action is completed; after the leakage detection action is finished, the cup cover is detached by the first cover screwing mechanism 21, the cup cover placing plate 217 continues to move rightwards, when the second cup cover placing mechanism 22 reaches the upper, middle and lower mechanisms and is positioned on the same straight line, the cup cover placing plate 217 stops moving, the third cup cover placing mechanism 23 just reaches the position right above the jacking mechanism 24, and the jacking mechanism 24 jacks up the cup cover for the next procedure.

As shown in fig. 3, the first cap screwing mechanism 21 includes a second fixing assembly 211, a first servo motor 212, a first pulley 213, a first bearing support 214, a trapezoidal lead screw nut 215, a first lead screw 216, a fourth moving guide rail 217, a fourth moving slider 218, a second cushion block 219, a cap screwing vertical fixing plate 2110, a first bearing support 2111, a first guide bar 2112, a first bearing fixing seat assembly 2113, a torsion sensor mounting plate 2114, a second servo motor 2115, a second servo motor mounting plate 2116, a torsion sensor 2117, a third bearing support 2118, a second rotating shaft 2119, a support block 2120, a compression fork 2121, a fourth cylinder 2122, a fourth cylinder support plate 2123, a U-shaped connector 2124, a follower 2125, and a three-jaw caliper 2126. The second fixing component 211 is fixedly arranged at the position close to the rear part in the middle of the movable base plate 29, the first servo motor 212 is fixedly arranged at the upper end of the second fixing component 211, the first belt pulley 213 is movably connected with the output end of the first servo motor 212, and the fourth movable guide rail 217 is longitudinally and fixedly arranged at the position close to the left of the second fixing component 211; the fourth movable sliding block 218 is movably connected to the fourth movable guide rail 217 and moves up and down along the fourth movable guide rail 217, and the second cushion block 219 is fixedly arranged on the fourth movable sliding block 218; the first bearing support 214 is fixedly arranged at the middle position of the two fourth moving guide rails 217, the first screw rod 216 penetrates through the first bearing support 214 and is connected with the second belt pulley 231 through a locking nut, and the second belt pulley 231 rotates along with the first belt pulley 213 through a belt; the trapezoidal lead screw nut 215 is movably connected to the first lead screw 216 and moves up and down along with the rotation of the first lead screw 216; the screw cap vertical fixing plate 2110 is fixedly installed on the trapezoidal lead screw nut 215 and the second cushion block 219 and moves up and down along with the movement of the trapezoidal lead screw nut 215; the first shaft supporting seat 2111 is fixedly arranged in the middle of the screw-cap vertical fixing plate 2110, a first guide rod 2112 provided with a first bearing fixing seat assembly 2113 is fixed on the first shaft supporting seat 2111, the torsion sensor mounting plate 2114 is fixedly arranged on the first bearing fixing seat assembly 2113, and the second servo motor mounting plate 2116 is fixed on the upper end face of the first bearing fixing seat assembly 2113; the torque sensor 2117, the third bearing support 2118, the support block 2120 and the fourth cylinder support plate 2123 are fixedly arranged on the torque sensor mounting plate 2114, the torque sensor 2117 is positioned in the middle of the torque sensor mounting plate 2114 and is positioned right below the second servo motor mounting plate 2116, the fourth cylinder support plate 2123 is positioned right below the torque sensor 2117, the third bearing support 2118 is positioned on the fourth cylinder support plate 2123, and the support block 2120 is positioned at the lowest end of the torque sensor mounting plate 2114; the pressing fork 2121 is connected with the supporting block 2120 through a pin; a fourth cylinder 2122 is fixed on a fourth cylinder support plate 2123, the output end of the fourth cylinder 2122 is connected with a U-shaped connecting piece 2124, and the U-shaped connecting piece 2124 is connected with a pressing fork 2121 through a pin; the upper end of the second rotating shaft 2119 passes through the torque sensor 2117 and is connected to the second servo motor 2115, the lower end of the second rotating shaft 2119 is connected to the three-jaw caliper 2126, and the three-jaw caliper 2126 is connected to the pressing fork 2121 via the follower 2125.

When the first cap screwing mechanism 21 is used, the first lead screw 216 drives the trapezoidal lead screw nut 215 to move under the action of the first servo motor 212, so as to drive the cap screwing vertical fixing plate 2110 to move up and down along the fourth moving guide rail 217, and at the moment, the torque sensor mounting plate 2114 also moves up and down; under the action of the fourth cylinder 2122, the U-shaped connecting part 2124 drives the pressing fork 2121 to rotate around the follower 2125, so as to clamp and unclamp the three-jaw caliper 2126; the second servo motor 2115 provides power for the screw cap, the proper value of the torque of the screw cap is determined by the sensing action of the torque sensor 2117, and the second rotating shaft 2119 drives the three-jaw caliper 2126 to perform the screwing action.

As shown in FIG. 4, second lid placement mechanism 22 includes a second shaft support block 221, a second guide bar 222, a front placement module, a rear placement module, and a first stop block 2210, the front and rear placement modules being in a front-to-rear symmetric relationship. The second shaft supporting seat 221 is fixed around a rectangular hole formed in the left side of the cup cover placing plate 217 in a matrix manner, and the second guide rod 222 is longitudinally fixed on the second shaft supporting seat 221; the first stop block 2210 is fixed to the right side of the rectangular hole formed in the left side of the lid placement plate 217, is positioned on both sides of the second guide bar 222, and is fixed to be vertically staggered, for limiting the limit position of the movement of the front and rear placement members.

The front placement assembly includes a fifth cylinder 223, a fifth cylinder mounting plate 224, a third push block 225, a first push plate 226, a second bearing retainer assembly 227, a locating mount 228, and a lid locating mount 229. The fifth cylinder 223 is fixed through a fifth cylinder mounting plate 224 fixed on the front side surface of the cup cover placing plate 217, the front side of the third pushing block 225 is connected with the output end of the fifth cylinder 223, and the lower side surface of the third pushing block 225 is connected with the first pushing plate 226; a positioning mounting member 228 is fixedly mounted at the middle position of the push plate 226, and a lid positioning mounting member 229 is mounted on the positioning mounting member 228; the first push plate 226 is fixed to the second bearing retainer assembly 227, and the second bearing retainer assembly 227 is fitted over the second guide bar 222.

When the front placing assembly is used, under the action of the fifth cylinder 223, the third push block 225 drives the first push plate 226 to move back and forth along the second guide rod 222 with the aid of the second bearing holder assembly 227, so that the positioning mounting member 228 and the lid positioning mounting member 229 also move back and forth.

The structural and functional features of the front and rear placement assemblies are identical.

When second lid placement mechanism 22 is in use, the front and rear placement assemblies move back and forth in opposite directions along second guide bar 222 to accomplish lateral clamping and unclamping of the lid.

The third lid placement mechanism 23 and the second lid placement mechanism 22 have identical structural and functional features.

As shown in fig. 5, the jacking mechanism 24 includes a fixing jig 241, a second push plate 242, a sixth air cylinder 243, a sixth air cylinder vertical mounting plate 244, a transverse mounting plate 245, a third shaft supporting seat 246, a third guiding rod 247, a seventh air cylinder 248, a seventh air cylinder mounting plate 249, and a second supporting upright 2410. The fixing fixtures 241 are symmetrically arranged on two sides of the middle of the second push plate 242, the second push plate 242 is fixed at the upper end of a sixth air cylinder 243, the sixth air cylinder 243 is fixed on a sixth air cylinder vertical mounting plate 244, and the sixth air cylinder vertical mounting plate 244 is vertically fixed on a transverse mounting plate 245; the third guide rods 247 are fixed on two sides of the lower end face of the transverse mounting plate 245 through third shaft supporting seats 246 and penetrate through a seventh cylinder mounting plate 249; the seventh cylinder 248 is fixed at the middle position of the seventh cylinder mounting plate 249, the telescopic end is connected with the middle position of the transverse mounting plate 245, and the upper end and the lower end of the second support upright 2410 are respectively connected with the movable base plate 29 and the seventh cylinder mounting plate 249.

When the jacking mechanism 24 is used, the transverse mounting plate 245 is pushed to move upwards by the action of the seventh air cylinder 248, so that the fixing jig 241 rises along with the rising of the sixth air cylinder 243, and the jacking action is completed. When the rising height does not reach or fine-tune, the sixth cylinder 243 starts to function.

As shown in fig. 6, the leak detection mechanism 25 includes a third fixing member 251, an eighth cylinder 252, an eighth cylinder fixing member 253, a guide block member 254, a fourth push block 255, a ninth cylinder 256, a second rack 257, a second gear 258, a third buffer 259, a fifth moving guide rail 2510, a fifth moving slider 2511, a third cushion block 2512, a rotating hollow shaft 2513, a third rotating shaft 2514, a rotating disc 2515, a test fixture mounting plate 2516, a test fixture 2517, a cup body 2518, a supporting block 2519, a tenth cylinder 2520, and a tenth cylinder fixing plate 2521. The third fixing component 251, the eighth cylinder fixing component 253, the guide block component 254, the ninth cylinder 256 and the fifth moving guide rail 2510 are fixed on the testing device bottom plate 26, the third fixing component 251 is positioned at the middle position of the testing device bottom plate 26, the guide block component 254 is positioned at the left side of the third fixing component 251, the eighth cylinder fixing component 253 is positioned at the left side of the guide block component 254, and the ninth cylinder 256 and the fifth moving guide rail 2510 are positioned at the right position below the third fixing component 251; the eighth cylinder 252 is fixed on the eighth cylinder fixing component 253, the fourth push block 255 is connected with the output end of the eighth cylinder 252, the fourth push block 255 moves left and right along the upper end of the guide block component 254, and a protrusion at the right end of the fourth push block 255 is just clamped in a groove on the edge of the rotating disc 2515 to play a role in fixing; the rear end face of the second rack 257 is connected with the output end of the ninth cylinder 256, the lower side face is connected with a third cushion block 2512, the third cushion block 2512 is fixed on a fifth movable sliding block 2511, the fifth movable sliding block 2511 is movably connected to a fifth movable guide rail 2510, and two third buffers 259 are arranged at two ends of the fifth movable guide rail 2510; the third rotating shaft 2514 is fixed at the middle position of the third fixing component 251, the rotating hollow shaft 2513 is connected with the third rotating shaft 2514 through a bearing, the upper end of the rotating hollow shaft 2513 is connected with the rotating disc 2515, the lower end of the rotating hollow shaft 2513 is sleeved with the second gear 258, and the second gear 258 is meshed with the second rack 257 to drive the rotating disc 2515 to rotate; the test fixture mounting plates 2516 are fixed on two sides of the transverse center line of the rotating disc 2515 and are symmetrical front and back; the supporting blocks 2519 are fixed on two sides of the longitudinal center line of the test fixture mounting plate 2516, the telescopic rod of the tenth cylinder 2520 fixes the test fixture mounting plate 2516 by penetrating through the supporting blocks 2519, and the tenth cylinder 2520 is fixed on the rotating disc 2515 by a fixing plate; the test fixture 2517 is fixed in the middle of the test fixture mounting plate 2516 and located between the two supporting blocks 2519, and the standard cup body 2518 is placed in the middle of the test fixture 2517; the bottom of standard cup body 2518 is fixed to be set up on test fixture 2517, and test fixture 2517 is provided with the air flue, and the vacuum leak hunting system is connected to the air flue.

When the leakage detection mechanism 25 is used, the test fixture 2517 is fixed by the tenth cylinder 2520, and then the rotating disc 2515 is driven to rotate by the gear and rack transmission mechanism under the action of the ninth cylinder 256 to complete the replacement of the positions of the two cup bodies 2518; when the groove rotated to the edge of the rotating disc 2515 is consistent with the convex position on the fourth push block 255, the eighth cylinder 252 pushes the fourth push block 255 to move rightwards for fixing. During leakage detection, the cup cover is screwed on the standard cup body 2518, the standard cup body 2518 is detected through the vacuum leakage detection system, the pressure of gas is detected, and whether the cup cover detects leakage is determined.

Claims

1. A leakage detection device for a cup cover of a vacuum cup comprises a first cover screwing mechanism, a second cup cover placing mechanism, a third cup cover placing mechanism, a jacking mechanism, a leakage detection mechanism, a testing device bottom plate, a movable base plate, a third air cylinder, a second push block, a second push rod, a third movable guide rail, a third movable slide block and a cup cover placing plate; the testing device bottom plate is fixed on the testing rack, the movable substrate is arranged above the testing device bottom plate, and the leakage detecting mechanism is fixedly arranged at the central position of the testing device bottom plate; the jacking mechanism is fixedly arranged on the lower side surface of the movable base plate, is positioned right below the rectangular hole arranged on the right side of the movable base plate and penetrates through the bottom plate of the testing device; the first cover screwing mechanism, the third air cylinder and the third movable guide rail are fixedly arranged on the movable base plate, the third movable guide rail is positioned at the position close to the front of the middle of the movable base plate, the third air cylinder is positioned behind the third movable guide rail, and the first cover screwing mechanism is positioned right behind the middle of the third air cylinder; the second push block is connected with the output end of the third cylinder through a second push rod and is connected with the cup cover placing plate; the third moving slide block is movably connected to the third moving guide rail, and the cup cover placing plate is fixedly arranged on the third moving slide block; the second cup cover placing mechanism and the third cup cover placing mechanism are fixed on the cup cover placing plate in parallel; the welded cup covers are placed on the second cup cover placing mechanism and the third cup cover placing mechanism, the second pushing block pushes the cup cover placing plate to move rightwards under the action of the third air cylinder, when the third cup cover placing mechanism just reaches the position under the first cover screwing mechanism, the third cup cover placing mechanism and the leakage detection mechanism are positioned on the same straight line from top to bottom, the cup cover placing plate stops moving, and the leakage detection mechanism starts to detect leakage of the cup covers after the first cover screwing mechanism finishes screwing action; after the leak detection action is finished, the cup cover placing plate continues to move rightwards, when the second cup cover placing mechanism reaches the upper, middle and lower mechanisms and is positioned on the same straight line, the cup cover placing plate stops moving, the third cup cover placing mechanism just reaches the position right above the jacking mechanism, and the jacking mechanism jacks up the cup cover for the next process;

the first cover screwing mechanism comprises a second fixing component, a first servo motor, a first belt pulley, a first bearing support, a trapezoidal screw rod nut, a first screw rod, a fourth movable guide rail, a fourth movable sliding block, a second cushion block, a vertical screwing cover fixing plate, a first shaft support seat, a first guide rod, a first bearing fixing seat component, a torsion sensor mounting plate, a second servo motor mounting plate, a torsion sensor, a third bearing support, a second rotating shaft, a support block, a pressing shifting fork, a fourth cylinder support plate, a U-shaped connecting piece, a follower and three-jaw calipers;

the second fixing component is fixedly arranged at the position, close to the rear, in the middle of the movable base plate, the first servo motor is fixedly arranged at the upper end of the second fixing component, the first belt pulley is movably connected to the output end of the first servo motor, and the fourth movable guide rail is longitudinally and fixedly arranged at the position, close to the left, of the second fixing component; the fourth movable sliding block is movably connected to the fourth movable guide rail and moves up and down along the fourth movable guide rail, and the second cushion block is fixedly arranged on the fourth movable sliding block; the first bearing support is fixedly arranged at the middle position of the two fourth movable guide rails, the first screw rod penetrates through the first bearing support and is connected with the second belt pulley through a locking nut, and the second belt pulley rotates along with the first belt pulley through a belt; the trapezoidal screw rod nut is movably connected to the first screw rod and moves up and down along with the rotation of the first screw rod; the screwing cover vertical fixing plate is fixedly arranged on the trapezoidal screw rod nut and the second cushion block and moves up and down along with the movement of the trapezoidal screw rod nut; the first shaft supporting seat is fixedly arranged in the middle of the screwing cover vertical fixing plate, a first guide rod provided with a first bearing fixing seat assembly is fixed on the first shaft supporting seat, the torsion sensor mounting plate is fixedly arranged on the first bearing fixing seat assembly, and the second servo motor mounting plate is fixed on the upper end face of the first bearing fixing seat assembly; the torque sensor, the third bearing support, the support block and the fourth cylinder support plate are fixedly arranged on the torque sensor mounting plate, the torque sensor is positioned in the middle of the torque sensor mounting plate and is positioned right below the second servo motor mounting plate, the fourth cylinder support plate is positioned right below the torque sensor, the third bearing support is positioned on the fourth cylinder support plate, and the support block is positioned at the lowest end of the torque sensor mounting plate; the pressing shifting fork is connected with the supporting block through a pin; the fourth cylinder is fixed on a fourth cylinder supporting plate, the output end of the fourth cylinder is connected with a U-shaped connecting piece, and the U-shaped connecting piece is connected with the pressing shifting fork through a pin; the upper end of a second rotating shaft penetrates through the torque sensor to be connected with a second servo motor, the lower end of the second rotating shaft is connected with three-jaw calipers, and the three-jaw calipers are connected with a compression shifting fork through a follower;

when the first cap screwing mechanism is used, the first lead screw drives the trapezoidal lead screw nut to move under the action of the first servo motor, so that the cap screwing vertical fixing plate is driven to move up and down along the fourth moving guide rail, and the torque sensor mounting plate also moves up and down at the moment; under the action of the fourth cylinder, the U-shaped connecting piece drives the compression shifting fork to rotate around the follower, and clamping and loosening actions of the three-jaw caliper are completed; the second servo motor provides power for the screw cap, a proper value of the torque force of the screw cap is determined through the sensing action of the torque force sensor, and the second rotating shaft drives the three-jaw caliper to perform screwing action;

the second cup cover placing mechanism and the third cup cover placing mechanism have the same structure; the second cup cover placing mechanism comprises a second shaft supporting seat, a second guide rod, a front placing assembly, a rear placing assembly and a first stop block, the front placing assembly and the rear placing assembly are identical in structure and are in a front-rear symmetrical relation, the second shaft supporting seat is fixed around a rectangular hole formed in the left side of the cup cover placing plate in a matrix mode, and the second guide rod is longitudinally fixed on the second shaft supporting seat; the first stop block is fixed on the right side of a rectangular hole formed in the left side of the cup cover placing plate, is positioned on two sides of the second guide rod, is fixed in a vertically staggered mode and is used for limiting the limit position of the movement of the front placing assembly and the rear placing assembly; the front placement assembly comprises a fifth cylinder, a fifth cylinder mounting plate, a third push block, a first push plate, a second bearing fixing seat assembly, a positioning mounting piece and a cup cover positioning mounting piece; the fifth cylinder is fixed through a fifth cylinder mounting plate fixed on the front side surface of the cup cover placing plate, the front side of the third push block is connected with the output end of the fifth cylinder, and the lower side surface of the third push block is connected with the first push plate; the positioning installation piece is fixedly installed in the middle of the push plate, and the cup cover positioning installation piece is installed on the positioning installation piece; the first push plate is fixed on the second bearing fixing seat component, and the second bearing fixing seat component is sleeved on the second guide rod;

the jacking mechanism comprises a fixing jig, a second push plate, a sixth air cylinder vertical mounting plate, a transverse mounting plate, a third shaft supporting seat, a third guide rod, a seventh air cylinder mounting plate and a second supporting upright post; the fixing jigs are symmetrically arranged on two sides of the middle of the second push plate, the second push plate is fixed at the upper end of the sixth air cylinder, the sixth air cylinder is fixed on the sixth air cylinder vertical mounting plate, and the sixth air cylinder vertical mounting plate is vertically fixed on the transverse mounting plate; the third guide rod is fixed on two sides of the lower end face of the transverse mounting plate through a third shaft supporting seat and penetrates through the seventh cylinder mounting plate; the seventh cylinder is fixed in the middle of the seventh cylinder mounting plate, the telescopic end is connected with the middle of the transverse mounting plate, and the upper end and the lower end of the second support upright post are respectively connected with the movable base plate and the seventh cylinder mounting plate;

the leakage detection mechanism comprises a third fixing assembly, an eighth air cylinder fixing assembly, a guide block assembly, a fourth push block, a ninth air cylinder, a second rack, a second gear, a third buffer, a fifth movable guide rail, a fifth movable sliding block, a third cushion block, a rotary hollow shaft, a third rotary shaft, a rotary disc, a test fixture mounting plate, a test fixture, a supporting block, a tenth air cylinder and a tenth air cylinder fixing plate; the testing device comprises a testing device base plate, a first fixing assembly, a second fixing assembly, a third cylinder fixing assembly, a fourth cylinder fixing assembly, a fifth moving guide rail and a third cylinder fixing assembly, wherein the third fixing assembly is located in the middle of the testing device base plate; the eighth cylinder is fixed on the eighth cylinder fixing assembly, the fourth push block is connected with the output end of the eighth cylinder, the fourth push block moves left and right along the upper end of the guide block assembly, and a bulge at the right end of the fourth push block is just clamped in a groove in the edge of the rotating disc to play a role in fixing; the rear end face of the second rack is connected with the output end of the ninth cylinder, the lower side face of the second rack is connected with a third cushion block, the third cushion block is fixed on a fifth movable sliding block, the fifth movable sliding block is movably connected to a fifth movable guide rail, and two third buffers are arranged at two ends of the fifth movable guide rail; the third rotating shaft is fixed in the middle of the third fixing component, the rotating hollow shaft is connected with the third rotating shaft through a bearing, the upper end of the rotating hollow shaft is connected with the rotating disc, the lower end of the rotating hollow shaft is sleeved with a second gear, and the second gear is meshed with a second rack to drive the rotating disc to rotate; the test fixture mounting plates are fixed on two sides of the transverse central line of the rotating disc and are symmetrical front and back; the supporting blocks are fixed on two sides of the longitudinal center line of the test fixture mounting plate, the telescopic rod of the tenth air cylinder penetrates through the supporting blocks to fix the test fixture mounting plate, and the tenth air cylinder is fixed on the rotating disc through the fixing plate; the testing jig is fixed in the middle of the testing jig mounting plate and located between the two supporting blocks, the cup body is placed in the middle of the testing jig, the bottom of the standard cup body is fixedly arranged on the testing jig, the testing jig is provided with an air passage, and the air passage is connected with the vacuum leak detection system;

the second fixing component is fixedly arranged at the position, close to the rear, in the middle of the movable base plate, the first servo motor is fixedly arranged at the upper end of the second fixing component, the first belt pulley is movably connected to the output end of the first servo motor, and the fourth movable guide rail is longitudinally and fixedly arranged at the position, close to the left, of the second fixing component; the fourth movable sliding block is movably connected to the fourth movable guide rail and moves up and down along the fourth movable guide rail, and the second cushion block is fixedly arranged on the fourth movable sliding block; the first bearing support is fixedly arranged at the middle position of the two fourth movable guide rails, the first screw rod penetrates through the first bearing support and is connected with the second belt pulley through a locking nut, and the second belt pulley rotates along with the first belt pulley through a belt; the trapezoidal screw rod nut is movably connected to the first screw rod and moves up and down along with the rotation of the first screw rod; the screwing cover vertical fixing plate is fixedly arranged on the trapezoidal screw rod nut and the second cushion block and moves up and down along with the movement of the trapezoidal screw rod nut; the first shaft supporting seat is fixedly arranged in the middle of the screwing cover vertical fixing plate, a first guide rod provided with a first bearing fixing seat assembly is fixed on the first shaft supporting seat, the torsion sensor mounting plate is fixedly arranged on the first bearing fixing seat assembly, and the second servo motor mounting plate is fixed on the upper end face of the first bearing fixing seat assembly; the torque sensor, the third bearing support, the support block and the fourth cylinder support plate are fixedly arranged on the torque sensor mounting plate, the torque sensor is positioned in the middle of the torque sensor mounting plate and is positioned under the second servo motor mounting plate, the fourth cylinder support plate is positioned under the torque sensor, the third bearing support is positioned on the fourth cylinder support plate, and the support block is positioned at the lowest end of the torque sensor mounting plate; the pressing shifting fork is connected with the supporting block through a pin; the fourth cylinder is fixed on a fourth cylinder supporting plate, the output end of the fourth cylinder is connected with a U-shaped connecting piece, and the U-shaped connecting piece is connected with the pressing shifting fork through a pin; the upper end of a second rotating shaft penetrates through the torque sensor to be connected with a second servo motor, the lower end of the second rotating shaft is connected with three-jaw calipers, and the three-jaw calipers are connected with a compression shifting fork through a follower.

2. A thermos cup cover leakage detection device according to claim 1, characterized in that the device further comprises a fixing clamp and first support columns, wherein the four first support columns are arranged in a matrix form, and the lower ends of the first support columns are fixedly installed on a bottom plate of the test device through the fixing clamp; the movable base plate is fixedly arranged at the upper end of the first supporting upright post through a connecting piece.

3. A thermos cup lid leak detection device according to claim 1, characterized in that the device further comprises a second buffer and a second buffer fixing plate; the second buffer fixing plates are positioned at two ends of the third movable guide rail, and the second buffer is fixedly arranged on the second buffer fixing plates and plays a role in buffering.