CN212398730U - Flat gasket material stringing device for notebook hinge - Google Patents

Flat gasket material stringing device for notebook hinge Download PDF

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Publication number
CN212398730U
CN212398730U CN202021726645.0U CN202021726645U CN212398730U CN 212398730 U CN212398730 U CN 212398730U CN 202021726645 U CN202021726645 U CN 202021726645U CN 212398730 U CN212398730 U CN 212398730U
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China
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rod
stringing
flat gasket
transition
main
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项绍杰
汪浩然
何春龙
万令
王菊艳
万玉华
朱凯强
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Csic Hengyuan Technology Co ltd
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Csic Hengyuan Technology Co ltd
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Abstract

The utility model discloses a flat gasket cluster material device of notebook hinge, including conveyor and cluster material device, the cluster material device includes the main cluster material pole that approximate level set up, the transition cluster material pole of approximate vertical setting and scrapes the material subassembly, conveyor is used for depositing the flat gasket and carries each flat gasket according to the gesture list of setting for to cluster material device department and cluster on transition cluster material pole, transition cluster material pole can be rotated to the horizontality and the butt joint of main material pole by the drive, it can be scraped to main cluster material pole by the flat gasket that the drive action will pass on the cluster material pole to scrape the material subassembly. The utility model discloses can make each flat gasket all arrange the transport in proper order according to the list ization to make level gasket cluster on corresponding main cluster material pole according to fixed gesture through transition material pole, the cluster material is simple, and the cluster material is efficient, and convenient subsequent assembly production reduces human cost's input simultaneously, does benefit to and accelerates the production beat.

Description

Flat gasket material stringing device for notebook hinge
Technical Field
The utility model discloses notebook hinge assembly technical field, in particular to flat gasket cluster material device of notebook hinge.
Background
The bunching of the flat gasket parts on the hinge part of the notebook computer is one of the difficulties in the assembly production line of the notebook computer, the flat gasket parts of the hinge part of the notebook computer are very small, generally in the shape of a button, and have the weight of 2-3 g, the positive direction and the negative direction and the orientation need to be distinguished during bunching, and the bunching is difficult, time-consuming and labor-consuming, wastes the labor cost and has low efficiency due to the manual bunching in the past.
Therefore, in order to solve the above problems, a device for stringing flat gaskets of a notebook hinge is needed, wherein the flat gaskets in the notebook hinge part are strung on corresponding material rods according to the stringing requirement, so that the subsequent assembly production is facilitated, the input of labor cost is reduced, and the production is facilitated.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a flat gasket cluster material device of notebook hinge clusters the flat gasket in the notebook hinge part according to the cluster material requirement, clusters on corresponding material pole, and convenient subsequent assembly production reduces human cost's input simultaneously, does benefit to production.
The utility model discloses a flat gasket cluster material device of notebook hinge, including conveyor and cluster material device, cluster material device includes the main cluster material pole that approximate level set up, the transition cluster material pole of approximate vertical setting and scrapes the material subassembly, conveyor is used for depositing flat gasket and carries each flat gasket according to the gesture list of setting for to cluster material device department and cluster on transition cluster material pole, transition cluster material pole can be driven to rotate to horizontality and the butt joint of main material pole, it can be scraped to main cluster material pole by the flat gasket that the drive action will pass through on the cluster material pole to scrape the material subassembly.
Further, the conveying device comprises a vibration disc and a linear feeder, a linear feeding channel communicated with the material stringing device is arranged on the linear feeder, and the vibration disc is used for storing the flat gaskets and conveying the flat gaskets to the material stringing device through the linear feeding channel in a single row according to a set posture.
The feeding control device is further provided with a feeding control slide way, the feeding control slide way is used for bearing flat gaskets conveyed by the conveying device, the feeding control device further comprises a pressing piece arranged above the feeding control slide way, the pressing piece can press the flat gaskets in the feeding control slide way to stop conveying of the flat gaskets, a blanking hole for the flat gaskets to fall is vertically formed in the slide way, and the transition string material rod is arranged below the blanking hole and just faces the blanking hole.
Further, scrape the material subassembly and include that to scrape the material piece and drive and scrape the material driving piece that the material piece moved along main cluster material pole length direction horizontal movement.
Furthermore, a scraping groove is formed in the top of the scraping part, a blocking part used for blocking a flat gasket is connected to the transition stringing pole, and when the transition stringing pole is in butt joint with the main stringing pole, the transition stringing pole rotates to the inside of the scraping groove corresponding to the blocking part.
Further, main cluster material pole afterbody can be dismantled and connect and make main cluster material pole be cantilever structure on the base, the cluster material device still includes material pole stabilizing assembly, and material pole stabilizing assembly is used for the centre gripping to form support and location to the material pole on main cluster material pole.
Further, the material rod stabilizing assembly comprises a pair of clamping arms, and clamping surfaces of the clamping arms can be close to each other to form a clamping state or far away from each other to form a loosening state.
Furthermore, the material rod stabilizing assembly is clamped at the head of the main material string rod in a sliding mode, and the material rod stabilizing assembly is connected with the scraping piece and can be synchronously driven by the scraping driving piece.
Furthermore, the clamping surface of the clamping arm is provided with a concave groove matched with the outer contour of the main material stringing rod.
Further, the upper end of the transition material stringing rod is in a sharp shape which is gradually reduced upwards.
The utility model has the advantages that:
the utility model discloses can make each flat gasket all arrange the transport according to the list in proper order to make level gasket cluster on corresponding main cluster material pole according to the fixed gesture through transition material pole, the cluster material is simple, and the cluster material is efficient, and convenient subsequent assembly production reduces the input of human cost simultaneously, does benefit to and accelerates the production beat; in addition, the material rod stabilizing assembly and the feeding control device are favorable for controlling the whole material stringing process, the stability of the main material stringing rod is ensured, and the reliability in the material stringing process is improved.
Drawings
The invention is further described with reference to the following figures and examples.
FIG. 1 is a schematic view of a flat gasket construction;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a schematic view of the partial structure of the present invention 1;
fig. 4 is a schematic view of a partial structure of the present invention 2;
Detailed Description
FIG. 1 is a schematic view of a flat gasket construction; FIG. 2 is a schematic view of the overall structure of the present invention; fig. 3 is a schematic view of the partial structure of the present invention 1; fig. 4 is a schematic view of a partial structure of the present invention 2;
the notebook hinge flat gasket stringing device comprises a conveying device 10 and a stringing device 20, wherein the stringing device comprises a main stringing rod 21 which is approximately horizontally arranged, a transition stringing rod 22 which is approximately vertically arranged and a scraping component, the conveying device is used for storing flat gaskets and conveying each flat gasket 40 to the stringing device in a single-row mode according to a set posture and stringing the flat gaskets on the transition stringing rod, the transition stringing rod can be driven to rotate to a horizontal state and is in butt joint with the main stringing rod, and the scraping component can be driven to move to scrape the flat gaskets on the transition stringing rod onto the main stringing rod. The approximately horizontal meaning is that the main stringing rod is horizontally arranged and is allowed to have certain installation and manufacturing errors, and the approximately vertical meaning is that the transition stringing rod is vertically arranged and is allowed to have certain offset angle and certain installation and manufacturing errors; the single-row meaning is that the flat gaskets are sequentially arranged in a row, as shown in fig. 1, the flat gasket 40 is of a disc structure, a through hole 41 is formed in the center of the flat gasket 40, the through hole 41 is of a similar waist-shaped hole structure, and serves as a material passing hole matched with a main material stringing rod and a transition material stringing rod, the notebook hinge leveling gasket stringing device realizes stringing operation on the flat gaskets, as shown in fig. 2, the stringing device further comprises a mounting base plate 50, a conveying frame 14 is fixedly connected to the mounting base plate 50, and the conveying device is mounted on the conveying frame 14; because the outer contour of the flat gasket is of an approximate disc structure, the front and back side structures are consistent, and the direction of a through hole of the flat gasket is difficult to control by the conveying device, the conveying device only needs to convey the flat gasket in a single row, a transition string material rod and a main string material rod are arranged on the basis, the tail part of the transition string material rod is fixed on a rotating shaft of a rotating cylinder, the rotating cylinder is arranged at the tail end of a sliding rail 27, the rotating cylinder can drive the transition string material rod to rotate from a vertical state to a horizontal state and is butted with the main string material rod, when the transition string material rod is in the vertical state, the horizontal direction of the penetrating flat gasket is disordered, when the transition string material rod rotates from the vertical state to the horizontal state, the through hole 41 of the flat gasket is totally downward due to gravity, so that the states of the flat gaskets are consistent, the scraping component pushes the flat gasket with the consistent posture to the main string material rod, can make each flat gasket all arrange the transport in proper order according to the list in this embodiment to through transition material pole make level gasket cluster on corresponding main cluster material pole according to fixed gesture, the cluster material is simple, and the cluster material is efficient, makes things convenient for subsequent assembly production, reduces human cost's input simultaneously, does benefit to and accelerates the production beat.
In this embodiment, the conveying device includes a vibrating tray 11 and a linear feeder 12, the linear feeder is provided with a linear feeding channel 13 communicated with the material mixing device, and the vibrating tray is used for storing the flat gaskets and conveying the flat gaskets to the material mixing device through the linear feeding channel in a single row according to a set posture. The vibration plate is arranged on the conveying frame 14, the linear feeding channel is in butt joint with a discharge port of the vibration plate 11, the vibration plate is in the prior art and can be purchased outside, in the embodiment, the vibration plate is a ZDP-DTL-1 type vibration plate, the vibration plate comprises a hopper, a base plate and a controller, a pulse electromagnet is arranged below the hopper of the vibration plate, the hopper can vibrate in the vertical direction, and the inclined spring piece drives the hopper to do torsional oscillation around the vertical axis of the hopper. The parts in the hopper, as a result of being subjected to such vibrations, rise along a helical track. During the lifting process, through the screening or posture change of a series of tracks, the parts can automatically enter the assembling or machining position in a uniform state according to the assembling or machining requirements. The working purpose is to automatically, orderly, directionally and neatly arrange the disordered workpieces by vibration and accurately convey the disordered workpieces to the next procedure, which is not described in detail; the linear feeder is mounted on the conveying frame, the linear feeder can be of a straight rod structure, a linear feeding channel is formed in the straight rod, the operation of each flat gasket in the linear feeding channel is realized by pushing force of the flat gasket at the outlet of the vibration disc 11 on the flat gasket at the front side, or the linear feeder can adopt a linear vibration feeder, the linear vibration feeder is a vibration source for conveying the flat gaskets which come out of the vibration disc channel and are arranged in a linear motion mode, the linear vibration feeder is provided with a vibration motor to realize vibration, and power for the flat gaskets to move forwards in the linear feeding channel is provided through the vibration;
in this embodiment, still include feeding control device 30, feeding control device is last to be equipped with feeding control slide 31, feeding control slide is used for accepting the flat gasket that conveyor carried, feeding control device still includes the piece 32 that compresses tightly that sets up in feeding control slide top, compress tightly the piece and can compress tightly on the flat gasket in the feeding control slide in order to stop the transport of flat gasket, the blanking hole that supplies flat gasket to fall is seted up vertically in the slide, transition cluster material pole sets up in the blanking hole below and just to the blanking hole. Referring to fig. 2 and 3, a support seat 33 is vertically and fixedly installed on the installation bottom plate 50, the transition string material rod and the support seat 33 are vertically arranged in parallel, wherein a control block 34 is fixedly connected to the upper end of the support seat and serves as a main body of the control device, a feeding control slide 31 is arranged on the control block 34 and is butted with the linear feeding channel 13, the inlet end of the feeding control slide 31 is in a flaring structure and facilitates the flat gasket to enter the feeding control slide, as shown in fig. 3, the flat gasket falls through a blanking hole when running to the blanking hole in the feeding control slide 31 and is strung on the transition string material rod through a through hole, as shown in fig. 4, a compaction member is composed of a compaction cylinder fixed to the upper end of the support seat 33 and a compaction block connected with the output end of the compaction cylinder, wherein the bottom of the compaction block extends downwards into the feeding control slide and can run downwards to compact the corresponding flat gasket, to limit the feeding of a single row of flat gaskets, and to ensure that the flat gaskets stop feeding forward when the pressing member is pressed, the height of the linear feeding channel 13 and the feeding control slide 31 should allow only one flat gasket to pass through, so as to prevent the flat gaskets from stacking. The feeding control device is favorable for controlling the flat gasket to be conveyed according to the flat gasket quantity adaptability penetrating through the transition string material rod, when the penetrating quantity of the flat gaskets on the transition string material rod reaches a preset value, the conveying of the flat gaskets can be suspended through the feeding control device, and then the penetrating of the flat gaskets is stopped, so that the feeding control device is adaptive to the action of the feeding control device, in the embodiment, a counting sensor 60 is arranged on the transition string material rod in a horizontal mode, a controller 70 is arranged on the installation bottom plate 50, the sensor 60 transmits signals to the controller and controls the action of the feeding control device through the controller, when the quantity of the flat gaskets on the transition string material rod of the counting sensor 60 reaches the preset value, the controller controls a pressing piece in the feeding control device to act and press the flat gaskets, and the penetrating of the flat gaskets is stopped.
In this embodiment, the scraping assembly includes a scraping member 24 and a scraping driving member 25 for driving the scraping member to move horizontally along the length direction of the main string rod. Referring to fig. 2, a slide rail 27 is installed on the installation bottom plate, wherein the material scraping driving member 25 is a cylinder fixed on the slide rail, the material scraping member 24 is a rod-shaped structure, the material scraping member 24 is fixed on a slide seat 28, the slide seat is slidably installed on the slide rail, the main string material rod is located right above the slide rail, the material scraping driving member 25 drives the slide seat to slide, and then the material scraping member is driven to slide so as to scrape a flat gasket on the transition string material rod onto the main string material rod.
In this embodiment, the top of the scraping member is provided with a scraping groove 24a, the transition stringing pole is connected with a stopper 26 for stopping the flat gasket, and when the transition stringing pole is butted with the main stringing pole, the transition stringing pole rotates to the scraping groove corresponding to the stopper. The stopper is used for stopping the flat gasket, namely the flat gasket slides downwards to the stopper when being strung into the transition stringing material rod and stops sliding downwards, the stopper is a baffle connected to one side of the transition stringing material rod and arranged in parallel with the hanging groove, when the transition stringing material rod rotates to be in butt joint with the main stringing material rod, the position of the transition stringing material rod corresponding to the stopper and part of the baffle rotate to the scraping groove, at the moment, the scraping part slides to the head of the transition stringing material rod to push the flat gasket strung on the transition stringing material rod to the main stringing material rod, the scraping groove is preferably a U-shaped groove, the opening end of the scraping groove is arranged to be an upward expanding structure, the transition stringing material rod is preferably a cylindrical rod structure, when the transition stringing material rod is converted from a vertical state to a horizontal state through the transition stringing material rod with the cylindrical structure, the posture of the flat gasket is favorably adjusted, the bottom of the scraping groove is in a semicircular structure matched with the external connection of the transition stringing material rod, when the transition stringing rod is in butt joint with the main stringing rod, the transition stringing rod is propped against the bottom of the scraping groove; the stopper can also be the structure of the transition stringing rod, for example, the transition stringing rod is in a stepped shaft structure, the shaft shoulder is the stopper, and the diameter of the large-diameter section of the transition stringing rod is smaller than the diameter of the outer circle of the flat gasket and larger than the size of the through hole on the flat gasket;
in this embodiment, main cluster material pole afterbody can be dismantled and connect and make main cluster material pole be cantilever structure on base 29, the cluster material device still includes material pole stabilizing assembly, and material pole stabilizing assembly is used for the centre gripping to form support and location to the material pole on main cluster material pole. The head of the main stringing rod is a cantilever end of the main stringing rod; the base 29 is fixed on the mounting base plate 50, and particularly, a fixing hole can be formed in the base 29, so that the tail end of the main string material rod is sleeved in the fixing hole to form a cantilever structure, the replacement of the main string material rod when the main string material rod is full of strings is facilitated through a detachable structure, and the production beat can be effectively improved; the main string material rod is thin and long due to the small size of the flat gasket, and the main string material rod is dynamically supported by the material rod stabilizing assembly, so that the positioning of the head of the main string material rod is facilitated, and the penetration of the flat gasket is facilitated; and can prevent the main material stringing rod from being deformed after being used and pressed for a long time; as shown in fig. 2 and 3, the main string material rod has a longer length and can be provided with more flat gaskets, so that a material rod stabilizing assembly is arranged, the transition string material rod has a shorter length and strong structural stability, so that the transition string material rod does not need to be provided with a stabilizing structure, and the main string material rod can be strung with the flat gaskets by the structure through the multiple butting of the transition material rod and the main string material rod;
in this embodiment, the rod stabilizing assembly includes a pair of clamping arms 23, and the clamping surfaces of the clamping arms can be close to each other to form a clamping state or away from each other to form a release state. Referring to fig. 2 and 3, in the present embodiment, a rod stabilizing assembly is provided, which is mounted on the sliding seat 25 to adapt to the height of the main stringing rod; the two clamping arms can respectively drive relative movement through the air cylinder to form a clamping or loosening state, certainly the two clamping arms can be arranged into a scissors type clamping structure, the tail ends of the two clamping arms are provided with gears, the two gears are meshed with the racks, the racks are positioned between the two gears, the two gears are driven to rotate by driving the racks to do linear movement in the air cylinder, and then the two clamping arms are closed or opened, or the clamping arms can adopt other known scissors type clamping structures, and details are not repeated; two anchor clamps centre gripping are in main cluster material pole head position, and the cooperation of centre gripping arm makes can guarantee the location and support in order to keep the stability of main cluster material pole gesture to main cluster material pole all the time at the cluster material in-process.
In this embodiment, the rod stabilizing assembly is slidably clamped at the head of the main string rod, and the rod stabilizing assembly is connected with the scraping member and can be synchronously driven by the scraping driving member 25. The sliding clamping on the main string material rod means that when the material rod stabilizing assembly is clamped on the main string material rod, and when the material rod stabilizing assembly slides along the length direction of the main string material rod, the clamping position can correspondingly slide along the main string material rod, as shown in a combined view in fig. 3, the two clamping arms 23 are installed on the sliding seat 28, and the sliding seat is also provided with two air cylinders which respectively drive the clamping arms to move, so that the two clamping arms are mutually far away from each other and are opened or are mutually close to the clamping. When this structure makes scraping material 24 and is driven to slide, the synchronous backward slip of centre gripping arm 23, make the centre gripping position of centre gripping arm retreat, release the head position of main cluster material pole, in order to accept the flat gasket that transition cluster material pole carried, it should guarantee to scrape material 24 and push away all flat gaskets to the inboard of main cluster material pole head position in order to form the centre gripping position with the head position release of main cluster material pole, treat that the flat gasket on the cluster material pole of transition is strikeed completely to main cluster material pole on, transition cluster material pole gyration is reset and is vertical state, two other centre gripping arms 23 keep away from each other and open, scrape material driving piece 25 and drive and scrape material 24 and the slip of material pole stabilizing component and reset, the centre gripping arm closure is again centre gripping in the head of main cluster material pole this moment.
In this embodiment, the clamping surface of the clamping arm is provided with a concave groove adapted to the outer contour of the main string material rod. In this embodiment, main string material pole is the square pole structure, and the concave groove that suits is the rectangular channel, and it is shown in combination with fig. 2, and the clamping face department of two centre gripping arms all is provided with concave groove, through the parcel form centre gripping of concave groove shape to main string material pole head, has formed the centre gripping hole structure when the concave groove that two centre gripping arms correspond is closed, this centre gripping hole should with main string material pole clearance fit to guarantee that main string material pole can slide relatively after the centre gripping of centre gripping arm centre gripping, this structure can improve the positioning accuracy of main string material pole.
In this embodiment, the upper end of the transition string material rod is in a sharp shape which gradually becomes smaller upwards. The material mixing rod can be a truncated cone or a cone and the like, and the head of the sharp transition material mixing rod is beneficial to the penetration of a flat gasket.
In the embodiment, a three-color alarm lamp 80 is further arranged, when the material stringing quantity counted by the counting sensor 60 reaches a preset value, the pressing piece is started to stop the transmission of the flat gasket, and the controller sends a signal to enable the three-color alarm lamp to flash and buzz to remind a worker, so that the worker is reminded of finishing material stringing, the material can be taken and the main material stringing rod can be replaced; three control buttons are arranged to match with the controller, and are respectively a green start button for starting the control device, a red stop button for stopping the device, a yellow reset start button after the main material stringing rod is replaced, and details are not repeated;
finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (10)

1. The utility model provides a flat gasket cluster material device of notebook hinge which characterized in that: the material stringing device comprises a conveying device and a material stringing device, wherein the material stringing device comprises a main material stringing rod, a transition material stringing rod and a scraping assembly, the main material stringing rod is approximately horizontally arranged, the transition material stringing rod is approximately vertically arranged, the conveying device is used for storing flat gaskets and conveying the flat gaskets to the material stringing device in a single-row mode according to a set posture, the flat gaskets are strung on the transition material stringing rod, the transition material stringing rod can be driven to rotate to a horizontal state and is in butt joint with the main material stringing rod, and the scraping assembly can be driven to move to scrape the flat gaskets on the transition material stringing rod onto the main material stringing rod.
2. The notebook hinge flat gasket stringing device of claim 1, wherein: the conveying device comprises a vibration disc and a linear feeder, a linear feeding channel communicated with the material stringing device is arranged on the linear feeder, and the vibration disc is used for storing the flat gaskets and conveying the flat gaskets to the material stringing device through the linear feeding channel in a single row according to a set posture.
3. The notebook hinge flat gasket stringing device of claim 1, wherein: still include feeding control device, the last feeding control slide that is equipped with of feeding control device, the feeding control slide is used for accepting the flat gasket that conveyor carried, feeding control device is still including setting up the piece that compresses tightly in feeding control slide top, compress tightly the piece and can compress tightly the transport in order to stop the flat gasket on the flat gasket in the feeding control slide, the vertical blanking hole that supplies the flat gasket to fall of seting up in the slide, transition cluster material pole sets up in the blanking hole below and just to the blanking hole.
4. The notebook hinge flat gasket stringing device of claim 1, wherein: the scraping component comprises a scraping part and a scraping driving part for driving the scraping part to horizontally move along the length direction of the main string material rod.
5. The notebook hinge flat gasket stringing device of claim 4, wherein: the top of the scraping part is provided with a scraping groove, the transition string material rod is connected with a stopper used for stopping the flat gasket, and when the transition string material rod is in butt joint with the main string material rod, the transition string material rod rotates to the inside of the scraping groove corresponding to the stopper.
6. The notebook hinge flat gasket stringing device of claim 4, wherein: the tail of the main string material rod is detachably connected to the base to enable the main string material rod to be of a cantilever structure, the string material device further comprises a material rod stabilizing assembly, and the material rod stabilizing assembly is used for clamping the material rod to support and position the material rod on the main string material rod.
7. The notebook hinge flat gasket stringing device of claim 6, wherein: the material rod stabilizing assembly comprises a pair of clamping arms, and clamping surfaces of the clamping arms can be close to each other to form a clamping state or far away from each other to form a loosening state.
8. The notebook hinge flat gasket stringing device of claim 7, wherein: the material rod stabilizing assembly is clamped at the head of the main material string rod in a sliding mode, and the material rod stabilizing assembly is connected with the scraping piece and can be driven by the scraping driving piece in a synchronous mode.
9. The notebook hinge flat gasket stringing device of claim 8, wherein: and the clamping surface of the clamping arm is provided with a concave groove matched with the outer contour of the main material stringing rod.
10. The notebook hinge flat gasket stringing device of claim 1, wherein: the upper end of the transition material stringing rod is in a sharp shape which is gradually reduced upwards.
CN202021726645.0U 2020-08-18 2020-08-18 Flat gasket material stringing device for notebook hinge Active CN212398730U (en)

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CN202021726645.0U CN212398730U (en) 2020-08-18 2020-08-18 Flat gasket material stringing device for notebook hinge

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112008355A (en) * 2020-08-18 2020-12-01 中国船舶重工集团衡远科技有限公司 Notebook hinge flat gasket material stringing equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112008355A (en) * 2020-08-18 2020-12-01 中国船舶重工集团衡远科技有限公司 Notebook hinge flat gasket material stringing equipment
CN112008355B (en) * 2020-08-18 2024-05-28 中国船舶重工集团衡远科技有限公司 Notebook hinge flat gasket material-stringing equipment

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