CN215796704U - Breather valve feed mechanism of gauze mask machine - Google Patents
Breather valve feed mechanism of gauze mask machine Download PDFInfo
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- CN215796704U CN215796704U CN202121997704.2U CN202121997704U CN215796704U CN 215796704 U CN215796704 U CN 215796704U CN 202121997704 U CN202121997704 U CN 202121997704U CN 215796704 U CN215796704 U CN 215796704U
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- breather valve
- breather
- feeding mechanism
- mask machine
- placing
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- 230000007246 mechanism Effects 0.000 title claims abstract description 95
- 238000003825 pressing Methods 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims description 38
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 10
- 230000000007 visual effect Effects 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000000670 limiting effect Effects 0.000 abstract description 14
- 238000012545 processing Methods 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 description 8
- 238000007689 inspection Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Abstract
The utility model discloses a breather valve feeding mechanism of a mask machine, which comprises a rotary table for placing a breather valve, wherein a plurality of placing holes are formed in the rotary table in the circumferential direction, elastic pieces for limiting the breather valve to fall are arranged on the inner walls of the placing holes, a pressing mechanism for pressing down the breather valve to discharge materials is arranged above the rotary table, the pressing mechanism comprises a driving cylinder and a pressing block, the pressing block is arranged on the driving cylinder to lift, a bottom groove for accommodating the breather valve is formed in the lower portion of the pressing block, a first sucking disc is arranged in the bottom groove, and the first sucking disc is externally connected with an air suction mechanism and used for sucking the breather valve when the pressing block descends until the breather valve enters the bottom groove. According to the utility model, the placing holes are formed in the rotary disc, so that the breather valves can be placed, rotated and conveyed one by one in order, the breather valves can be adsorbed by the pressing mechanism at the output position, then the breather valves are downwards driven to be separated from the placing holes and conveyed to the corresponding position of the mask below, the breather valves can be prevented from inclining or rotating and deviating, and the processing yield is ensured.
Description
Technical Field
The utility model relates to mask production equipment, in particular to a breather valve feeding mechanism of a mask machine.
Background
The mask machine is classified into a flat mask machine for processing a flat mask, a vertical folding mask machine for processing an N95 mask, a cup mask machine for processing a cup mask, and the like, according to the type of mask to be processed. Wherein a breather valve is installed to vertical folding gauze mask machine, and the breather valve is when pressing on the gauze mask assigned position, because breather valve and gauze mask have a take the altitude, at the in-process that pushing down the mechanism, the breather valve can produce certain slope because of gravity, then can appear the atress inhomogeneous and make breather valve and gauze mask uneven welding condition take place when pushing down to the defective work appears.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a breather valve feeding mechanism of a mask machine, which can be used for stably storing a breather valve and sucking and feeding the breather valve in advance when the breather valve is pressed down, so that the flatness of the pressing down is ensured, and the cost rate is ensured.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a breather valve feed mechanism of gauze mask machine, including the carousel of placing the breather valve, the carousel is provided with a plurality of holes of placing along the circumferencial direction, the inner wall of placing the hole is provided with the elastic component that is used for restricting the breather valve whereabouts, the top of carousel is provided with and is used for pushing down the breather valve and carry out the mechanism that pushes down of ejection of compact, it includes driving cylinder and lower briquetting to push down the mechanism, it goes up and down to push down the briquetting and set up on the driving cylinder, it has the kerve that holds the breather valve to push down briquetting lower part, and set up first sucking disc in the kerve, this external suction mechanism of first sucking disc, be used for carrying out the absorption of breather valve when the briquetting descends to the breather valve and gets into the kerve down.
As an improvement, the elastic component comprises a plurality of first limiting parts which are uniformly arranged on the inner wall of the placing hole, each first limiting part comprises a clamping hook and a spring, the clamping hooks are rotatably arranged on the rotary table, one end of each clamping hook extends into the placing hole in the initial state, the springs abut against the clamping hooks to limit the positions, and force is stored when the clamping hooks rotate downwards.
As an improvement, the elastic piece includes evenly setting up in placing a plurality of second locating parts of downthehole wall, and the second locating part is the elastic metal piece, and the one end of elastic metal piece sets up on the carousel, wholly buckles and forms an conflict face, and this conflict face stretches into and places in the hole.
As an improvement, one side of the turntable is provided with a feeding mechanism, the feeding mechanism comprises a first rail, a second rail, a material pushing mechanism, a visual detection module and a material taking mechanism, the outlet end of the first rail is vertically connected with the inlet end of the second rail and used for conveying the breather valve, the inlet end of the second rail is further provided with a detection position where the material pushing mechanism is used for pushing the breather valve to the outlet end of the second rail, the visual detection module is located above the detection position and used for detecting the orientation of the breather valve, and the material taking mechanism is used for grabbing the breather valve at the detection position and transporting the breather valve to a placement hole of the turntable.
As an improvement, the lower part of the detection position is also provided with a blanking mechanism, the blanking mechanism comprises a blanking cylinder and a blanking plate, the blanking plate is arranged on the blanking cylinder to translate, the blanking plate is positioned at the detection position to carry out the bearing of the breather valve in an initial state, and the blanking plate is enabled to translate to leave the detection position to enable the breather valve which is detected visually and unqualified to fall.
As an improvement, the material taking mechanism comprises a multi-joint movable mechanical arm, a stepping motor arranged at one end of the mechanical arm and a second sucker arranged at the output end of the stepping motor and driven to rotate by the stepping motor, and the second sucker is externally connected with an air suction mechanism to adsorb the breather valve.
As an improvement, the visual detection module comprises a camera arranged at a far position above the detection position and a light source arranged at a near position above the detection position, and a movable space for the material taking mechanism to enter and take materials is reserved between the camera and the light source.
As an improvement, the material pushing mechanism comprises a material pushing cylinder and a material pushing block, and the material pushing block is arranged on the material pushing mechanism to move horizontally.
As an improvement, the feeding mechanism and the pressing mechanism are arranged on one diameter of the rotary table and are respectively arranged on two opposite sides of the rotary table.
The utility model has the advantages that the breather valves can be orderly placed, rotated and conveyed one by arranging the placing holes on the rotary table, the breather valves can be adsorbed by the pressing mechanism at the output position, then the breather valves are downwards driven to be separated from the placing holes and conveyed to the corresponding position of the lower mask, the breather valves can be ensured not to incline or rotate and deviate, the breather valves and the masks are enabled to be accurate and stable in structure during welding, and the processing yield is ensured.
Drawings
Fig. 1 is a schematic perspective view of a breather valve feeding mechanism of the mask machine of the present invention.
Fig. 2 is a schematic perspective view of the turntable and the pressing mechanism according to the first embodiment of the present invention.
Fig. 3 is a schematic perspective view of the turntable and the pressing mechanism of the present invention.
Fig. 4 is a schematic perspective view of the feeding mechanism according to the first embodiment of the present invention.
Fig. 5 is a schematic perspective view of a feeding mechanism according to the present invention.
Detailed Description
The following detailed description of specific embodiments of the utility model refers to the accompanying drawings.
As shown in fig. 1, 2, 3, 4, and 5, a specific embodiment of a breather valve feeding mechanism of a mask machine according to the present invention includes a rotary table 1 for placing a breather valve, the rotary table 1 is provided with a plurality of placing holes 11 along a circumferential direction, an elastic member 3 for limiting the falling of the breather valve is disposed on an inner wall of the placing hole 11, a pressing mechanism 2 for pressing down the breather valve to discharge is disposed above the rotary table 1, the pressing mechanism 2 includes a driving cylinder 21 and a pressing block 22, the pressing block 22 is disposed on the driving cylinder 21 to be lifted, a bottom groove for accommodating the breather valve is disposed at a lower portion of the pressing block 22, and a first suction cup is disposed in the bottom groove and is externally connected with a suction mechanism for sucking the breather valve when the pressing block 22 is lowered to the breather valve and enters the bottom groove.
When the mask material conveying device is used, the lower part of the rotary table 1 penetrates through the whole mask material in the conveying process, and an opening corresponding to a breather valve is formed in the mask material in the previous process. The placing holes 11 are uniformly distributed on the circumference of the rotary table 1, when the placing holes 11 with the breather valves rotate to reach a discharging position, the upper part of the discharging position corresponds to the pressing mechanism 2, and the lower part of the discharging position corresponds to the opening of the mask raw material; the breather valve is abutted by the elastic part 3 in the placing hole 11 so as not to fall, after the driving cylinder 21 of the pressing mechanism 2 is started, the driving cylinder 21 drives the pressing block 22 to fall, the breather valve is accommodated above the bottom groove of the pressing block 22, and the first sucker in the bottom groove is sucked by the suction mechanism to suck the breather valve, so that the breather valve is kept flat and not inclined when the pressing block 22 and the breather valve fall; with the continuous advance of lower briquetting 22, make the breather valve break away from placing the hole 11 below, until pressing the opening part of gauze mask raw materials by lower briquetting 22, can guarantee that the breather valve is accurate level and smooth targets in place, then can carry out ultrasonic welding or other current applicable gauze mask welding methods. And then the lower pressure block 22 is reset, and the next breather valve can be conveyed and fed. The utility model can ensure that the breather valve can not generate inclination or rotation deviation when the breather valve is fed to the mask, so that the structure of the breather valve and the mask is accurate and stable when the breather valve and the mask are welded, and the processing yield is ensured.
As a modified embodiment, the elastic member 3 includes a plurality of first limiting members 31 uniformly disposed on the inner wall of the placing hole 11, each first limiting member 31 includes a hook 311 and a spring, the hook 311 is rotatably disposed on the turntable 1, and one end of the hook extends into the placing hole 11 in an initial state, and the spring abuts against the hook 311 for limiting and stores power when the hook 311 rotates downward.
As shown in fig. 2 and 3, the first limiting members 31 may preferably be provided in three groups, which are uniformly arranged in the circumferential direction of the placing hole 11, so that the breather valve is placed stably, and by means of the hooks 311 extending into the placing hole 11, a plurality of placing points are formed around the placing point of the breather valve, and the weight of the breather valve is not enough to overcome the elastic force of the spring to make the breather valve fall; when the lower pressing block 22 descends, the lower pressing block can drive the breathing valve to prop the peripheral hook 311 downwards to rotate, so that the breathing valve is conveyed downwards, the downward rotation of the hook 311 also enables the spring to accumulate force, the spring at the position can be preferably a torsion spring, the torsion spring is enabled to be twisted to accumulate force through the rotation of the hook 311, when the lower pressing block 22 ascends and resets, the hook 311 can be released through the elasticity of the torsion spring to reset to the initial position, and the next breathing valve can be placed in and limited.
As a modified embodiment, the elastic element 3 includes a plurality of second limiting members 32 uniformly disposed on the inner wall of the placing hole 11, the second limiting members 32 are elastic metal sheets, one end of each elastic metal sheet is disposed on the rotating disc 1, and the elastic metal sheets are integrally bent to form an abutting surface 321, and the abutting surface 321 extends into the placing hole 11.
As shown in fig. 2 and 3, the second limiting members 32 may preferably be three groups, and are uniformly arranged in the circumferential direction of the placing hole 11, specifically, are elastic metal sheets, and extend into the placing hole 11 from the abutting surface 321 to abut against the side wall of the breather valve so as to limit the breather valve, so that the breather valve is stably limited in the placing hole 11, and the abutting force of the elastic metal sheets can be overcome by the descending of the lower pressing block 22, so that the breather valve is separated from the placing hole 11; after the lower pressing block 22 is lifted and reset, the next breather valve can be put in and limited by the elastic metal sheet.
Preferably, the first limiting member 31 and the second limiting member 32 may be disposed at the same time, and the two are disposed at intervals and uniformly in the circumferential direction of the placement hole 11, as shown in the drawings, the breather valve is placed and limited by the two, so as to achieve a better stable limiting effect, so that when the lower pressing block 22 descends and the breather valve is adsorbed by the first suction cup, the breather valve is stably and accurately positioned, and the yield is ensured.
As an improved specific implementation manner, one side of the turntable 1 is provided with the feeding mechanism 4, the feeding mechanism 4 includes a first rail 41, a second rail 42, a material pushing mechanism 43, a visual detection module 44 and a material taking mechanism 45, an outlet end of the first rail 41 is vertically connected with an inlet end of the second rail 42 for conveying the breather valve, the inlet end of the second rail 42 is further provided with a detection position where the material pushing mechanism 43 is used for pushing the breather valve to the outlet end of the second rail 42, the visual detection module 44 is located above the detection position for detecting the orientation of the breather valve, and the material taking mechanism 45 is used for grabbing the breather valve at the detection position and transferring the breather valve to the placement hole 11 of the turntable 1.
As shown in fig. 1, 4 and 5, the feeding mechanism 4 feeds the breather valve to the rotary table 1, first, the first rail 41 may be externally connected with a mechanism for sequencing the breather valves such as a vibrating disc, etc., the breather valves are sent to the first rail 41 to be sequentially arranged and conveyed, the breather valve at the front end enters the inlet end of the second rail 42 from the output end of the first rail 41, the single breather valve is pushed to a detection position by the material pushing mechanism 43, the vision detection module 44 photographs the breather valve at the detection position, the feedback photograph information is compared with the standard breather valve image information at the control module, thereby confirm whether the position orientation of breather valve, outward appearance are qualified, unqualified breather valve is rejected, and qualified breather valve is snatched by extracting mechanism 45 and places the breather valve according to the position orientation information of breather valve required orientation position to the hole of placing 11 departments of carousel 1, accomplishes the transportation of breather valve. Above scheme can guarantee the ordered transport of breather valve and transport to carousel 1 department to filter and regularly place the breather valve, guarantee that the gauze mask of processing has the breather valve of unification towards the position.
As an improved specific implementation mode, the blanking mechanism 5 is further arranged at the lower part of the detection position, the blanking mechanism 5 comprises a blanking cylinder 51 and a blanking plate 52, the blanking plate 52 is arranged on the blanking cylinder 51 to translate, the blanking plate 52 is located at the detection position to support the breather valve in an initial state, and the breather valve which is unqualified in visual detection falls when the blanking plate 52 is translated away from the detection position.
As shown in fig. 5, the blanking mechanism 5 is used for removing unqualified breather valves, the visual inspection module 44 is used for photographing the breather valves at the inspection positions, after the feedback photo information is compared with the standard breather valve image information at the control module, if the breather valves are judged to be unqualified in appearance, a signal is fed back to the blanking cylinder 51, the blanking cylinder 51 is started to move the blanking plate 52 away from the inspection positions in a translation manner, and the breather valves fall off to complete the removal of unqualified products; the blanking plate 52 is then repositioned to receive the next breather valve.
As an improved specific embodiment, the material taking mechanism 45 includes a multi-joint movable mechanical arm 451, a stepping motor 452 disposed at one end of the mechanical arm 451, and a second suction cup 453 disposed at an output end of the stepping motor 452 and driven to rotate by the stepping motor 452, wherein the second suction cup 453 is externally connected to an inhaling mechanism to suck the breather valve.
As shown in FIG. 1, the robotic arm 451 may be implemented using an industrial robot arm well-established in the art for multi-position, multi-joint movement; further, the second suction cup 453 is adopted to suck and grab the breather valve at the detection position, so that the flatness and the non-inclination of taking and placing can be guaranteed; the vision detection module 44 mentioned above photographs the breathing valve at the detection position, the feedback picture information is compared with the standard breathing valve image information at the control module, thereby determining the position orientation of the breathing valve, when the position orientation of the breathing valve is determined, a feedback signal is given to the stepping motor 452, after the second suction cup 453 gets the breathing valve, the stepping motor 452 starts to drive the second suction cup 453 and the breathing valve to rotate by an angle to be adjusted, the breathing valve can be adjusted to a required position orientation, so that each breathing valve placed at the turntable 1 can maintain a consistent position orientation, the orientation of the breathing valve fed to the mask is also consistent, the uniformity and normalization of the mask finished product are ensured, and the product quality and yield are improved.
As a modified embodiment, the vision inspection module 44 includes a camera 441 disposed far above the inspection position and a light source 442 disposed near above the inspection position, and a space for the material taking mechanism 45 to enter the material taking mechanism is left between the camera 441 and the light source 442.
As shown in fig. 4 and 5, the camera 441 photographs the breathing valve at the detection position at the height to extract image information, and the light source 442 illuminates the position of the breathing valve to assist in improving the clarity of photographing and making the picture collection effective; and leave sufficient activity space between the two, guarantee that extracting mechanism 45 can enter into this activity space and move about, accomplish the material of getting of breather valve.
As a modified embodiment, the pushing mechanism 43 includes a pushing cylinder 431 and a pushing block 432, and the pushing block 432 is disposed on the pushing mechanism 43 for translation.
As shown in fig. 4, the material pushing block 432 can be adapted to the width of the second rail 42 and driven by the material pushing mechanism 43 to move back and forth, so as to sequentially push the breathing valve to a detection position.
As a modified embodiment, the feeding mechanism 4 and the pressing mechanism 2 are arranged on a diameter of the rotary table 1 and are respectively arranged on two opposite sides of the rotary table 1.
As shown in figure 1, the length direction of frame is the direction of delivery of gauze mask, pan feeding mechanism 4 sets up in a frame side, can be good utilize the space to guarantee the more orderly arrangement of mechanism, then be convenient for staff's inspection and maintenance, push down mechanism 2 and arrange in the top of opposite side carousel 1 relative pan feeding mechanism 4, both are in a position of footpath, thereby can make two farthest place hole 11 positions on carousel 1 carry out material loading and unloading respectively, can make getting of breather valve put more orderly, be difficult for disturbing between the structure, be convenient for staff observation mechanism behavior, and be convenient for maintain.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (9)
1. The utility model provides a breather valve feed mechanism of gauze mask machine which characterized in that: including placing carousel (1) of breather valve, carousel (1) is provided with a plurality of holes (11) of placing along the circumferencial direction, the inner wall of placing hole (11) is provided with elastic component (3) that are used for restricting the breather valve whereabouts, the top of carousel (1) is provided with and is used for pushing down breather valve and carry out pushing down mechanism (2) of ejection of compact, pushing down mechanism (2) are including driving cylinder (21) and lower briquetting (22), briquetting (22) set up and go up and down on driving cylinder (21) down, briquetting (22) lower part has the kerve that holds the breather valve down to set up first sucking disc in the kerve, this external suction mechanism of first sucking disc for carry out the absorption of breather valve when briquetting (22) descend to the breather valve gets into the kerve down.
2. The breather valve feeding mechanism of a mask machine according to claim 1, characterized in that: elastic component (3) are including evenly setting up in placing a plurality of first locating part (31) of hole (11) inner wall, first locating part (31) are including pothook (311) and spring, pothook (311) are rotatable set up in carousel (1) and under the initial condition one end stretch into place hole (11) in, the spring is contradicted pothook (311) and is carried on spacingly to carry out the power of holding when pothook (311) downwardly rotating.
3. The breather valve feeding mechanism of a mask machine according to claim 1 or 2, characterized in that: elastic component (3) are including evenly setting up in placing a plurality of second locating part (32) of hole (11) inner wall, second locating part (32) are elastic metal piece, elastic metal piece's one end sets up on carousel (1), wholly buckles and forms an conflict face (321), and this conflict face (321) stretch into and place in hole (11).
4. The breather valve feeding mechanism of a mask machine according to claim 1 or 2, characterized in that: one side of carousel (1) is provided with pan feeding mechanism (4), pan feeding mechanism (4) include first track (41), second track (42), pushing equipment (43), visual detection module (44) and material taking mechanism (45), the delivery that is used for the breather valve is connected perpendicularly to the exit end of first track (41) and the entry end of second track (42), the entry end of second track (42) still sets up pushing equipment (43) and is used for the breather valve propelling movement to the detection position of second track (42) exit end, visual detection module (44) are located the top of detecting the position and carry out the orientation to the breather valve and detect, material taking mechanism (45) are used for snatching and transporting the breather valve that detects position department to placing hole (11) department of carousel (1).
5. The breather valve feeding mechanism of a mask machine according to claim 4, characterized in that: the lower part of the detection position is further provided with a blanking mechanism (5), the blanking mechanism (5) comprises a blanking cylinder (51) and a blanking plate (52), the blanking plate (52) is arranged on the blanking cylinder (51) to be translated, the blanking plate (52) is located at the detection position in an initial state to carry out bearing of the breather valve, and the breather valve which is unqualified in visual detection falls when the blanking plate (52) is translated to leave the detection position.
6. The breather valve feeding mechanism of a mask machine according to claim 4, characterized in that: the material taking mechanism (45) comprises a mechanical arm (451) with multiple joints moving, a stepping motor (452) arranged at one end of the mechanical arm (451), and a second sucker (453) arranged at the output end of the stepping motor (452) and driven to rotate by the stepping motor (452), wherein the second sucker (453) is externally connected with an air suction mechanism to adsorb the breathing valve.
7. The breather valve feeding mechanism of a mask machine according to claim 4, characterized in that: the visual detection module (44) comprises a camera (441) arranged far above the detection position and a light source (442) arranged near the detection position, and a moving space for the material taking mechanism (45) to enter and take materials is reserved between the camera (441) and the light source (442).
8. The breather valve feeding mechanism of a mask machine according to claim 4, characterized in that: the pushing mechanism (43) comprises a pushing cylinder (431) and a pushing block (432), and the pushing block (432) is arranged on the pushing mechanism (43) to translate.
9. The breather valve feeding mechanism of a mask machine according to claim 4, characterized in that: the feeding mechanism (4) and the pressing mechanism (2) are arranged on the diameter of the turntable (1) and are respectively arranged on two opposite sides of the turntable (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121997704.2U CN215796704U (en) | 2021-08-24 | 2021-08-24 | Breather valve feed mechanism of gauze mask machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121997704.2U CN215796704U (en) | 2021-08-24 | 2021-08-24 | Breather valve feed mechanism of gauze mask machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215796704U true CN215796704U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121997704.2U Expired - Fee Related CN215796704U (en) | 2021-08-24 | 2021-08-24 | Breather valve feed mechanism of gauze mask machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN215796704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213677A (en) * | 2022-07-07 | 2022-10-21 | 苏州通锦精密工业股份有限公司 | Automatic assembling machine for breather valve |
-
2021
- 2021-08-24 CN CN202121997704.2U patent/CN215796704U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213677A (en) * | 2022-07-07 | 2022-10-21 | 苏州通锦精密工业股份有限公司 | Automatic assembling machine for breather valve |
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Granted publication date: 20220211 |