CN114162598B - Magazine clamping mechanism and automatic lath feeding machine - Google Patents
Magazine clamping mechanism and automatic lath feeding machine Download PDFInfo
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- CN114162598B CN114162598B CN202210119515.8A CN202210119515A CN114162598B CN 114162598 B CN114162598 B CN 114162598B CN 202210119515 A CN202210119515 A CN 202210119515A CN 114162598 B CN114162598 B CN 114162598B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0235—Containers
- B65G2201/025—Boxes
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- Mechanical Engineering (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
The invention relates to the technical field of material conveying, and provides a material box clamping mechanism and an automatic lath feeding machine, wherein the material box clamping mechanism comprises: the linear driving component, the first clamping part and the second clamping part; the linear driving part comprises a driving part body and a telescopic piece, and the first clamping part is connected with the driving part body; the second clamping part comprises a first pressing part and a second pressing part, and the first pressing part is connected with the telescopic part; the first pressing piece is provided with a first inclined surface, and the second pressing piece is provided with a second inclined surface; the second pressing piece is hung and connected below the first pressing piece through the guide piece. But through setting up along the first pressfitting piece and the second pressfitting piece of inclined plane relative slip, the pretightning force that will apply the magazine top turns into the pretightning force along the extension piece direction and the protruding structure direction of the first edge of perpendicular to magazine top, is favorable to increasing the stability of magazine centre gripping, and because this structure need not additionally to increase new motion axle, has practiced thrift magazine clamping mechanism's installation space and cost of manufacture.
Description
Technical Field
The invention relates to the technical field of material conveying, in particular to a material box clamping mechanism and an automatic lath feeding machine.
Background
In the existing automatic feeding machine, the fixing mode of the material box mainly uses the suction of a vacuum chuck and rigid clamping. Wherein, the vacuum suction has high requirement on the roughness of the material on the surface of the material box; secondly, even if the absolute vacuum of the theoretical suction upper limit is reached to multiply the maximum contact area, the magnitude of the provided suction is still small; and thirdly, the vacuum source needs to be powered by a generator or a vacuum pump, so that more energy consumption is needed, and the energy conservation is not facilitated.
The rigid clamping can meet the clamping requirements of small-size and heavy-weight material box carrying, but stable clamping requires fixing with more than one degree of freedom, and increasing the fixed degree of freedom means increasing a new moving shaft, so that the product cost is increased, feeding and pushing materials mean that the front face of the material box cannot be blocked by a mechanism, and the limitation on the space structure is large.
Disclosure of Invention
The invention aims to provide a material box clamping mechanism and an automatic lath feeding machine, and aims to solve the problem that the material box clamping mechanism in the existing feeding machine cannot provide stable clamping force for a material box in a limited space.
In a first aspect, an embodiment of the present invention provides a cartridge clamping mechanism, including: the linear driving component, the first clamping part and the second clamping part; the linear driving part comprises a driving part body and a telescopic piece, and the telescopic piece and the driving part body can slide relatively; the first clamping part is connected with the driving part body and extends along one side of the driving part body, and is used for limiting and supporting the bottom of the material box; the second clamping part comprises a first pressing part and a second pressing part, one end of the first pressing part is connected with the telescopic part, and the other end of the first pressing part extends along the direction parallel to the extending direction of the first clamping part; the free end of the first pressing piece is provided with a first inclined surface facing the driving part body, and the second pressing piece is provided with a second inclined surface which is used for being attached to and sliding with the first inclined surface; the second pressing piece is hung below the first pressing piece through a guide piece and used for sliding along the first inclined surface when the second pressing piece receives the reaction force of the top of the material box until the second pressing piece is abutted to the first edge protruding structure of the top of the material box.
Optionally, the upper end of the guide member is fixedly connected with the first pressing member; the lower end of the guide piece is provided with a limiting part, stepped slotted holes which are in one-to-one correspondence with the guide piece are arranged in the second pressing piece, each stepped slotted hole comprises a first slotted hole section and a second slotted hole section, and the diameter of the limiting part is larger than the width of the first slotted hole section and smaller than the width of the second slotted hole section; the second pressing piece is hung and connected below the first pressing piece through the limiting part clamped in the second slot hole section; when the second inclined surface slides relative to the first inclined surface, the guide piece generates relative displacement along the length extending direction of the stepped slotted hole.
Optionally, the guide member is a plurality of guide members, and the plurality of guide members are arranged at intervals along the length direction of the magazine.
Optionally, the first press part comprises: the first connecting plate and the pressing block; one end of the first connecting plate is connected with one end, far away from the driving part body, of the telescopic piece, and the other end of the first connecting plate extends along a direction parallel to the extending direction of the first clamping part; the pressing block is connected with one side, facing the first clamping part, of the free end of the first connecting plate; the area of the pressing block facing the driving part body is provided with the first inclined surface, and the upper end of the guide piece is connected with the first connecting plate.
Optionally, the first pressing piece further comprises an adapter plate, and the adapter plate is located between the pressing block and the first connecting plate; the first connecting plate is provided with at least one guide hole, and the length extension direction of the guide hole is the same as that of the first connecting plate; threaded holes corresponding to the guide holes one to one are formed in the adapter plate, and the guide holes and the threaded holes are connected in a one-to-one alignment mode through threaded connecting pieces; the pressing block and the guide piece are fixedly connected with one side, far away from the first connecting plate, of the adapter plate.
Optionally, the number of the guide holes is multiple, and the plurality of the guide holes are arranged in a linear array on the first connecting plate.
Optionally, the cartridge clamping mechanism further comprises: a return spring; the reset spring is sleeved on the guide piece and is positioned between the second pressing piece and the first pressing piece; when the second pressing piece is abutted against the first edge protruding structure at the top of the material box, the return spring is in a compressed state.
Optionally, the first pressing member includes at least one first guide groove extending along an oblique direction of the first inclined surface; the second pressing piece comprises at least one first guide block, the first guide block extends along the inclined direction of the second inclined surface, and the first guide blocks are matched with the first guide grooves in a one-to-one corresponding mode; or, the second pressing piece comprises at least one second guide groove, and the second guide groove extends along the inclined direction of the second inclined surface; the first pressing piece comprises at least one second guide block, the second guide block extends along the inclined direction of the first inclined surface, and the second guide block is matched with the second guide groove in a one-to-one corresponding mode.
Optionally, the first clamping portion comprises: a second connecting plate and a supporting block; the second connecting plate is connected with the driving part body, the second connecting plate is parallel to the telescopic direction of the telescopic piece, and the supporting block is vertically connected with the lower end of the second connecting plate and used for supporting the bottom of the material box; and the supporting block is provided with a positioning groove on the upper surface close to the second connecting plate, and the positioning groove is used for being in limit fit with the second edge bulge structure at the bottom of the material box.
In a second aspect, an embodiment of the present invention further provides an automatic slat feeder, including: a mounting platform, a loading track, a discharge track, a magazine handling mechanism and a magazine clamping mechanism as described in the first aspect; the feeding rail and the discharging rail are sequentially arranged on the mounting platform at intervals along the vertical direction, the feeding rail is positioned below the discharging rail, and the material box carrying mechanism is arranged on the same side of the feeding rail and the discharging rail; the material box carrying mechanism is connected with the mounting platform in a sliding mode and comprises a lifting mechanism, and a linear driving part of the material box clamping mechanism is fixedly connected with the lifting mechanism.
Optionally, the automatic slat feeder further comprises: the workpiece push claw is used for pushing the workpiece in the material box to discharge; and one end of the workpiece push claw, which faces the material box, is provided with an arc-shaped concave surface structure, and the concave surface structure is used for contacting the edge position of the workpiece exposed at the end part of the material box.
The embodiment of the invention at least has the following technical effects:
according to the magazine clamping mechanism provided by the embodiment of the invention, the first pressing piece and the second pressing piece which can relatively slide along the inclined surface are arranged, so that the pretightening force applied to the top of the magazine is converted into the pretightening force along the direction of the telescopic piece and the direction of the first edge protruding structure vertical to the top of the magazine, the stability of magazine clamping is favorably increased, the pushed sheet-shaped lath can be successfully calibrated on a pre-calibration table of subsequent equipment, and the processing quality of a workpiece is further improved; and because the structure does not need to additionally increase a new moving shaft, the installation space and the manufacturing cost of the whole mechanism are saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of a cartridge clamping mechanism and a cartridge according to an embodiment of the present invention;
FIG. 2 is a schematic bottom view of a magazine clamping mechanism and a magazine according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a cartridge clamping mechanism and a cartridge according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram illustrating an embodiment of a second clamping portion of a cartridge clamping mechanism according to the present invention;
fig. 5 is a schematic structural view of a second pressing member of a second clamping portion of the cartridge clamping mechanism according to the embodiment of the present invention;
FIG. 6 is an enlarged structural diagram of I in FIG. 3 according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of another embodiment of the second clamping portion of the cartridge clamping mechanism according to the embodiment of the invention;
fig. 8 is a schematic structural view of a second clamping portion of a cartridge clamping mechanism according to another embodiment of the present invention;
fig. 9 is a schematic diagram illustrating a force analysis of a cartridge clamping mechanism according to an embodiment of the present invention;
fig. 10 is a schematic view of an overall structure of an automatic slat feeder according to an embodiment of the present invention;
FIG. 11 is a front view of FIG. 10 provided in accordance with an embodiment of the present invention;
FIG. 12 is a schematic structural view of a workpiece pusher claw of an automatic slat feeder according to an embodiment of the present invention for pushing a workpiece;
fig. 13 is a schematic view illustrating the engagement between a workpiece pusher claw of an automatic slat feeder and a workpiece according to an embodiment of the present invention.
Icon:
100-linear drive components; 110-a drive member body; 120-a telescoping member;
200-a first clamping portion; 210-a second connecting plate; 220-a support block; 221-positioning grooves;
300-a second clamping portion; 310-a first press part; 310 a-a first inclined surface; 311-a first connection plate; 311 a-pilot hole; 312-a press-fit block; 313-an adapter plate; 314-a threaded connection; 320-a second press part; 320 a-a second inclined surface; 321-stepped slotted holes; 3211-a first slot segment; 3212-a second slot segment; 330-a guide; 330 a-a limiting part; 340-a return spring;
1-a cartridge; 1 a-bottom of the magazine; 1 b-top of magazine; 101-a second edge projection arrangement; 102-a first edge projection structure; 2-a power source cylinder; 3-a sheet-like lath; 4-a feeding track; 5-a material box pusher; 6-pushing a material limiting block; 7-cartridge position detection switch; 8-a lifting mechanism; 9-motor lead screw guide rail module; 10-workpiece pusher jaw; 10 a-a concave surface structure; 11-discharge rail.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, a cartridge clamping mechanism according to an embodiment of the present invention includes: a linear driving member 100, a first clamping part 200, and a second clamping part 300. The first clamping portion 200 and the second clamping portion 300 are respectively connected with two ends of the linear driving component 100, and the material (in the embodiment, the material box 1 is loaded with a plurality of sheet-shaped strips 3) is clamped by utilizing the telescopic motion of the linear driving component 100, so that the material box 1 is fixed in the feeding and pushing process, and the sheet-shaped strips 3 pushed out by the workpiece pusher can be smoothly calibrated on a pre-calibration table of subsequent equipment.
Specifically, the linear driving member 100 is disposed along a vertical direction of the automatic slat feeder, the linear driving member 100 includes a driving member body 110 and a telescopic member 120, the telescopic member 120 is located above the driving member body 110, and the telescopic member 120 and the driving member body 110 are relatively slidable, that is, the telescopic member 120 can perform an extending or contracting motion with respect to the driving member body 110. The driving part body 110 is fixed to a driving mechanism in a vertical direction of the automatic slat feeder so that the height of the entire linear driving part 100 can be adjusted.
Alternatively, the linear driving part 100 in the present embodiment may be a hydraulic cylinder or an electric push rod.
Further, the first clamping portion 200 is connected to the driving part body 110 and extends along one side of the driving part body 110 (i.e., the side close to the pushing direction of the magazine in the automatic slat feeder) for limiting and supporting the bottom 1a of the magazine.
The second clamping portion 300 includes a first pressing member 310 and a second pressing member 320, one end of the first pressing member 310 is connected to the telescopic member 120, the other end of the first pressing member 310 extends along one side of the driving member body 110 (i.e., the side close to the pushing direction of the magazine in the automatic slat feeder), the first pressing member 310 is parallel to the extending direction of the first clamping portion 200, and the first pressing member 310 is located directly above the first clamping portion 200.
In order to realize the movement with two degrees of freedom, the first pressing member 310 is provided with a first inclined surface 310a at the free end thereof in the present embodiment, and the first inclined surface 310a faces the driving member body 110. The second pressing member 320 has a second inclined surface 320a, and the second inclined surface 320a is adapted to slide along the first inclined surface 310a, so as to realize the relative sliding between the second pressing member 320 and the first pressing member 310. The second engaging member 320 is suspended below the first engaging member 310 by a guide 330, and is configured to slide the second inclined surface 320a along the first inclined surface 310a until abutting against the first edge protrusion 102 of the cartridge top 1b when receiving a reaction force from the cartridge top 1 b.
It should be noted that the first edge protrusion 102 of the top 1b of the magazine is a protrusion on the side of the top 1b of the magazine close to the linear driving part 100, which extends along the length direction of the magazine 1 and is symmetrically disposed on both sides of the top and bottom of the magazine 1. The convex structure on the side of the bottom 1a of the magazine close to the linear driving part 100 is a second edge convex structure 101.
The working process of the magazine clamping mechanism in this embodiment is as follows:
after the material box 1 is pushed in place on the guide rail, firstly, the whole material box clamping mechanism moves upwards for a small distance, so that the first clamping part 200 of the material box clamping mechanism can be matched with the second edge convex structure 101 of the bottom 1a of the material box, and the bottom 1a of the material box is clamped. Then, the driving part body 110 is controlled to retract the telescopic member 120, so as to drive the first pressing member 310 and the second pressing member 320 to move downward together, the second pressing member 320 is movably connected with the first pressing member 310 through the guide 330, and the first inclined surface 310a can contact with the second inclined surface 320 a.
Then, since the second pressing member 320 moves downward as the telescopic member 120 contracts, when the second pressing member 320 comes into contact with the top of the magazine 1, the second pressing member 320 slides relative to the first pressing member 310 (i.e., the second inclined surface 320a slides relative to the first inclined surface 310 a). The first pressing part 310 continues to be pressed downwards, and the corresponding second pressing part 320 slides relative to the first pressing part 310 and moves upwards and rightwards until the second pressing part 320 is tightly propped against the first edge convex structure 102 of the top 1b of the material box on the right side, so that a first clamping force downwards acting on the top 1b of the material box and a second clamping force rightwards acting on the first edge convex structure 102 of the top 1b of the material box are simultaneously generated on the material box 1, and the clamping of the material box 1 is completed.
It will be appreciated that when the telescopic member 120 is extended upwards so that the cartridge clamping mechanism releases the cartridge 1, the second engaging member 320 will slowly disengage from the cartridge 1 due to the limited vertical travel of the second engaging member 320 and will naturally fall to its original position under the guidance of the guide member 330.
According to the magazine clamping mechanism provided by the embodiment, the first pressing piece 310 and the second pressing piece 320 which can relatively slide along the inclined surface are arranged, so that the pretightening force applied to the top 1b of the magazine is converted into the pretightening force along the direction parallel to the telescopic piece 120 and the direction perpendicular to the first edge protruding structure 102 of the top 1b of the magazine, the clamping stability of the magazine 1 is favorably increased, the pushed sheet-shaped lath can be successfully calibrated on a pre-calibration table of subsequent equipment, and the processing quality of a workpiece is further improved; and because the structure does not need to additionally increase a new moving shaft, the installation space and the manufacturing cost of the whole mechanism are saved.
Alternatively, in order to reasonably control the clamping force of the second pressing member 320 on the top 1b of the cartridge, pressure sensors for detecting the clamping force may be installed on the side and bottom surfaces of the second pressing member 320, when the pressure between the second pressing member 320 and the first edge protrusion 102 of the top 1b of the cartridge is determined as the clamping state in the second direction, a static equilibrium state should be maintained, the pressure between the second pressing member 320 and the contact surface of the top 1b of the cartridge should be approximately equal to the clamping force (about 200N) of the cylinder (linear driving member 100), the pressure in the first direction should be approximately equal to the static friction force of the upper surface of the supporting block 220, and when the above force relationship is satisfied, the controller controls the telescopic member 120 of the linear driving member 100 to stop contracting according to the feedback signal.
In an alternative embodiment, as shown in fig. 3 to 5, the upper end of the guide 330 of this embodiment may be fixedly connected to the first compressing member 310 by a threaded connection, a welding connection, or an integral molding manner, the lower end of the guide 330 is provided with a limiting portion 330a (similar to the structure of a bolt head), and the limiting portion 330a is used to cooperate with the stepped slot 321 inside the second compressing member 320, so as to limit the second compressing member 320 in the vertical direction, and ensure that the second compressing member 320 does not fall off.
Specifically, a stepped slot 321 is disposed inside the second pressing element 320, the stepped slot 321 corresponds to the guide element 330 one to one, the stepped slot 321 includes a first slot segment 3211 and a second slot segment 3212, and the diameter of the limiting portion 330a is greater than the width of the first slot segment 3211 and less than the width of the second slot segment 3212 (i.e., the width of the second slot segment 3212 is greater than the width of the first slot segment 3211), so as to ensure that the limiting portion 330a cannot be disengaged from the stepped slot 321.
Alternatively, the guide 330 in this embodiment is a limit pin, and the limit portion 330a corresponds to a pin head of the limit pin.
In a specific installation process, the guide 330 may sequentially pass through the second slot segment 3212 and the first slot segment 3211 from below the second compressing element 320, and be screwed, welded or integrally formed with the first compressing element 310, and the limiting portion 330a of the guide 330 is left in the second slot segment 3212 and will not fall off, so as to suspend the second compressing element 320 below the first compressing element 310.
Alternatively, the second pressing member 320 is an elongated block structure, and the corner of the elongated block structure adjacent to the first pressing member 310 is ground into a second inclined surface 320a for sliding fit with the first inclined surface 310a of the first pressing member 310. The stepped slot 321 extends downwards from the top of the second pressing member 320 along the second inclined surface 320a, and the specific extending length determines the sliding stroke of the second pressing member 320, and thus determines the contact time of the second pressing member 320 and the first edge protrusion 102 of the magazine top 1 b.
Further, the second compressing element 320 is suspended below the first compressing element 310 by a limiting portion 330a clamped in the second slot segment 3212, and can slide relative to the first compressing element 310. When the second inclined surface 320a slides with respect to the first inclined surface 310a, the guide 330 is relatively displaced along the longitudinal direction of the stepped slot 321.
For example: when the telescopic member 120 contracts downwards, the first pressing member 310 and the second pressing member 320 are driven to move downwards, and when the second pressing member 320 contacts the top of the magazine 1, the upward reverse acting force of the magazine 1 is applied, so that the second pressing member 320 is pushed to slide upwards along the first inclined surface 310a, which can also be regarded as that the first pressing member 310 slides downwards along the second inclined surface 320a, and the second pressing member 320 moves rightwards while sliding along the first inclined surface 310a until abutting against the first edge protrusion 102 of the top 1b of the magazine.
It should be noted that, in the present embodiment, the second engaging member 320 is in contact with the first inclined surface 310a through the second inclined surface 320a in the initial state, and a certain distance is provided between the top of the second engaging member 320 and the first engaging member 310 in the vertical direction, so as to leave a part of space for the movement of the second engaging member 320. Wherein, the space left above the second pressing element 320 is required to ensure at least the contact between the second pressing element 320 and the first edge protrusion 102 of the top 1b of the magazine.
In the magazine clamping mechanism provided by this embodiment, the limiting portion 330a at the lower end of the guiding element 330 is matched with the stepped slot hole 321 in the second pressing element 320, so as to prevent the second pressing element 320 from falling off, and the guiding element 330 generates relative displacement in the stepped slot hole 321 to provide guidance while the second pressing element 320 slides along the first inclined surface 310a relative to the first pressing element 310, thereby ensuring the consistency of the sliding path of the second pressing element 320.
Alternatively, referring to fig. 1 to 5, the number of the guiding elements 330 provided in the present embodiment is multiple (the number of the guiding elements illustrated in fig. 5 is two), and the number of the corresponding stepped slots 321 is the same as the number of the guiding elements 330. The plurality of guides 330 are provided at intervals along the length direction of the magazine 1.
Illustratively, the extending direction of the first pressing member 310 is a first direction (corresponding to the width direction of the cartridge 1), the extending and retracting direction of the extensible member 120 is a second direction (corresponding to the height direction of the cartridge 1), and the spacing arrangement direction of the plurality of guiding members 330 is a third direction (corresponding to the length direction of the cartridge 1), and the third direction is perpendicular to both the second direction and the first direction.
In this embodiment, the plurality of guiding members 330 are disposed at intervals along the length direction of the magazine 1, so that the sliding stability of the second pressing member 320 along the first inclined surface 310a can be improved, and the problem of jamming and the like during sliding can be avoided.
In an alternative embodiment, with continued reference to fig. 3 and 4, the first press element 310 in this embodiment includes: a first connecting plate 311 and a press-fit block 312, wherein the first connecting plate 311 is a connecting member between the press-fit block 312 and the telescopic member 120.
Specifically, one end of the first connecting plate 311 is fixedly connected to one end of the telescopic member 120 away from the driving member body 110 by a bolt, and the other end of the first connecting plate 311 extends in a direction (corresponding to the first direction in the foregoing embodiment) parallel to the extending direction of the first clamping portion 200.
Further, the pressing block 312 is connected to the side of the first connecting plate 311 facing the first clamping portion 200 by welding or bolting, and the pressing block 312 is located near the free end of the first connecting plate 311 (i.e. the end far away from the telescopic member 120). The structure of the pressing block 312 is substantially the same as that of the second pressing element 320, the pressing block 312 is also an elongated block structure, and the corner of the elongated block structure near the second pressing element 320 (i.e. the area facing the driving part body 110) is ground into a first inclined surface 310a for sliding fit with the second inclined surface 320a on the second pressing element 320.
Alternatively, the upper end of the guide 330 may be connected to the first connection plate 311 by a screw, welding, or integrally molding. In this embodiment, for convenience of installation and disassembly, a threaded connection is preferred. After the guide 330 is coupled to the first coupling plate 311, the outer surface of the guide 330 is tangent to the edge of the first inclined surface 310a, and a greater sliding stroke can be achieved with the same length of the guide 330.
The first pressing part 310 in this embodiment includes a first connecting plate 311 and a pressing block 312, and the shape structures of the pressing block 312 and the second pressing part 320 are substantially the same, and the same mold or process can be adopted in the preparation process, and only a stepped slot is additionally prepared on the second pressing part 320, so that the production cost is saved; and the structure of the pressing block 312 is relatively small compared with the whole first pressing element 310, and the first inclined surface 310a is convenient to be replaced independently when the second pressing element 320 slides due to abrasion in the later period.
In an alternative embodiment, as shown in fig. 3, 6 and 7, the first pressing element 310 provided in this embodiment further includes an adapter plate 313 in addition to the first connecting plate 311 and the pressing block 312. The adapter plate 313 is specifically located between the pressing block 312 and the first connecting plate 311, and the positions of the pressing block 312, the second pressing element 320 and the guide 330 can be synchronously adjusted through the adapter plate 313.
Specifically, the first connecting plate 311 is provided with at least one guiding hole 311a, and a length extending direction of the guiding hole 311a is the same as a length extending direction of the first connecting plate 311, that is, the length extending direction of the guiding hole 311a is the first direction in the foregoing embodiment, so as to facilitate adjustment of the movement of the first connecting plate 311 along the first direction.
Furthermore, threaded holes corresponding to the guide holes 311a one-to-one are formed in the adapter plate 313, and the guide holes 311a and the threaded holes are respectively connected in a detachable alignment manner through threaded connectors 314. The pressing block 312 and the guide 330 are both fixedly connected to a side of the adapter plate 313 away from the first connection plate 311 (corresponding to the bottom of the adapter plate 313).
It should be noted that the moving range illustrated in fig. 6 is the sliding stroke range of the second closing member 320 relative to the guide member 330 along the first direction, and the moving range is determined according to the arrangement position of the first inclined surface 310a, the specific structure of the second closing member 320, and the specific structure of the cartridge 1.
When the telescopic member 120 is retracted and the second pressing member 320 slides to the maximum stroke position, if the second pressing member 320 still has a certain clearance from the first edge protrusion 102 of the cartridge top 1b, the position of the second pressing member 320 can be further adjusted by adjusting the position of the adapter plate 313.
In a specific adjusting process, the screw connector 314 connecting the adapter plate 313 and the first connecting plate 311 may be firstly loosened, the adapter plate 313, the guide 330 connected to the adapter plate 313, the second pressing element 320, and the pressing block 312 are synchronously moved toward the direction close to the first edge protrusion structure 102 until the second pressing element 320 abuts against the first edge protrusion structure 102, and then the screw connector 314 is locked for fixing.
Optionally, with continued reference to fig. 7, the number of the guiding holes 311a provided in this embodiment is multiple (four are illustrated in fig. 7), the guiding holes 311a are arranged on the first connecting plate 311 in a linear array, and the guiding holes 311a are arranged in a matrix of 2 × 2 in fig. 7, which can further enhance the structural strength of the connection between the first connecting plate 311 and the lower adapter plate 313.
The magazine clamping mechanism that this embodiment provided utilizes adapter plate 313 to realize adjusting along length direction's relative position with first connecting plate 311, and then can realize the position control of second pressfitting piece 320 along magazine 1 width direction, guarantees that second pressfitting piece 320 can with the protruding structure 102 butt in first edge of magazine top 1b under extreme position, avoids appearing because of there is the clearance and leads to pressing from both sides the unstable problem between the protruding structure 102 in first edge of second pressfitting piece 320 and magazine top 1 b.
In another alternative embodiment, with continued reference to fig. 8, the present embodiment provides a cartridge clamping mechanism further comprising: the return spring 340 can realize the quick separation between the second pressing member 320 and the first pressing member 310 by using the return spring 340, so as to facilitate the return of the second pressing member 320.
Specifically, the return spring 340 is disposed on the guiding element 330 and located between the first pressing element 310 and the second pressing element 320. For the first compressing member 310 including the adapter plate 313, the upper end of the return spring 340 in the initial state may be in contact with or fixedly connected to the adapter plate 313 of the first compressing member 310, and the lower end of the return spring 340 is connected to or separated from the top of the second compressing member 320.
In this embodiment, when the second pressing member 320 abuts against the first edge protrusion 102 of the top 1b of the material box, the return spring 340 is in a compressed state, so as to increase the pre-tightening force of the second pressing member 320 on the top 1b of the material box, so that the process of decomposing the pre-tightening force into two directions moves more smoothly, and avoids sudden change of force and poor contact of the inclined plane. When the magazine 1 needs to be loosened, the telescopic part 120 extends upwards to drive the first pressing part 310 to ascend, the second pressing part 320 gradually disengages from the magazine 1 and rapidly resets under the elastic buffering action of the return spring 340, the position consistency of the top of the magazine 1 and the position of the second pressing part 320 in each contact can be better kept, and the repeated position precision of the magazine 1 after clamping is improved.
In an alternative embodiment, in order to further improve the accuracy of the repeated positions of the second pressing member 320, the first pressing member 310 in this embodiment further includes at least one first guide groove (not shown in the drawings), which is formed by recessing a partial region of the first inclined surface 310a, and extends along the inclined direction of the first inclined surface 310 a.
The second pressing member 320 includes at least one first guide block (not shown) formed by protruding a partial region of the second inclined surface 320a, or fixedly coupled to the second inclined surface 320 a. The first guide blocks extend along the inclined direction of the second inclined surface 320a, and the first guide blocks correspond to the first guide grooves one to one and can be slidably fitted.
In another alternative embodiment, the second pressing member 320 in this embodiment includes at least one second guide groove (not shown), which is formed by recessing a partial region of the second inclined surface 320a, and extends along the inclined direction of the second inclined surface 320 a. The first pressing member 310 includes at least one second guide block (not shown) formed by outwardly protruding a partial region of the first inclined surface 310a, or fixedly coupled to the first inclined surface 310 a. The second guide blocks extend along the inclined direction of the first inclined surface 310a, and the second guide blocks correspond to the second guide grooves one to one and can be slidably fitted.
In this embodiment, by providing the guide groove and the guide block which are slidably engaged along the inclined surface, a further guiding function can be provided for the relative sliding between the second pressing member 320 and the first pressing member 310, so that the relative sliding between the second pressing member and the first pressing member is smoother, and meanwhile, the second pressing member 320 can be ensured to return along the original path in the falling process, thereby avoiding the problem that the second pressing member 320 is inconsistent in the reset position due to the direct falling of gravity, and being beneficial to prolonging the service life of the magazine clamping mechanism.
In an alternative embodiment, with continued reference to fig. 1-3, the first clamping portion 200 of the present embodiment includes: a second connecting plate 210 and a supporting block 220.
Specifically, the second connecting plate 210 is connected to the driving part body 110, the second connecting plate 210 is disposed parallel to the extending and retracting direction (i.e., the second direction in the foregoing embodiment) of the extensible member 120, and one side of the second connecting plate 210 is fixed to the housing of the driving part body 110 by welding or bolting.
Further, a support block 220 is vertically connected to the lower end of the second connecting plate 210 for supporting the bottom 1a of the magazine. Meanwhile, the supporting block 220 is provided with a positioning groove 221 on the upper surface close to the second connecting plate 210, the positioning groove 221 is recessed downward and is just located inside an included angle between the second connecting plate 210 and the supporting block 220, and the positioning groove 221 is used for being matched with the second edge protrusion structure 101 of the bottom 1a of the material box and can simultaneously apply a supporting force in the vertical direction and a pretightening force in the horizontal direction to the material box 1.
Optionally, the number of the supporting blocks 220 in this embodiment is two, the two supporting blocks 220 are arranged at intervals and are both vertically connected with the second connecting plate 210, and the two supporting blocks 220 are used for making the support of the bottom 1a of the material box more stable.
In this embodiment, considering that the second pressing and closing member 320 simultaneously applies the pre-tightening force in the downward direction and the rightward direction to the first edge protruding structure 102 of the top portion 1b of the material box, on the premise of ensuring the clamping stability, the size of the supporting block 220 below the material box 1 along the first direction can be properly reduced, so that the whole material box clamping mechanism has a more compact structure, and is beneficial to pushing the material box 1.
For example, as shown in fig. 3, the supporting block 220 is forced to the right side from the top surface in the cartridge clamping mechanism, the lateral width of the supporting block 220 may be infinitely small from the viewpoint of torque balance, however, considering the connection manner of the supporting block 220 and the second connecting plate 210 through the screw and the pressure contacting with the surface of the cartridge, at least the dimension of the supporting block 220 along the first direction is kept at 10mm, and the total length of the second edge protrusion structure 101 avoiding the lower right corner of the cartridge 1 can be shortened to 17mm, the surface pressure of the second pressing element 320 opposite to the second edge protrusion structure is concentrated towards the left side, the leftmost end of the second pressing member 320 is at least 20mm to the left (see the force analysis below), the width of the bottom surface of the second pressing member 320 can be reduced from 25mm given in the current model to 20mm, and the sizes of the structures in the first pressing member 310 can also be sequentially contracted to the right by 5 mm.
Referring to fig. 9, for the second compressing member 320 compressed downward, the stress mainly consists of three forces that can be orthogonally decomposed and a positive pressure and a self-weight between the adapter plates, and since the contraction force of the linear driving part 100 (cylinder) is about 200N, which is much larger than the weight magnitude thereof. Therefore, it can be considered that the positive pressure F2 to which the cartridge 1 is subjected is about the cylinder contraction force 200N, and if no adapter plate 313 shares the positive pressure N in the vertical direction, the lateral thrust F1 will be resolved strictly according to a vector triangle, and assuming that the inclination angle of the contact surface of the second presser 320 and the press-fit block 312 is 45 degrees, F2= F1+ N ≈ 200N, where N is a variable that actually changes according to the equilibrium state, only F2> F1 needs to be confirmed.
The cartridge is subjected to a static and torque analysis, which is subjected to two orthogonal pressures F1, F2 from the second press 320, a gravity G (20N-50N), a pressure N1 of the upper contact surface of the support block 220 and a static friction force F (F)<0.3N), and a difficult to quantify compensating side pressure N2, the intersection of the line on which N2 is located and the perpendicular to the center of gravity is selected for torque balance analysis to eliminate its effect. The difference (delta L2-delta L1) of the distances between F2 and N1 and the action points of the equivalent force couple on the surface of the material box is recorded as delta L, and the delta L is used for compensating the eccentricity of the pressure of the upper surface and the lower surface of the material box, and L is the differenceF1、LN2Set L determined by the length of the magazineF1About 100mm and LN2About 40mm (mm means length unit: mm). The torque balance formula can be obtained: f1 x 100+ F2 x (L)F2+ΔL1）=f*40+N1*(LN1+ Δ L2), it is concluded that F1 needs to satisfy the requirement that the pressure of right pushing the magazine should be slightly greater than the maximum static friction μ xN1, the distance found should be greater than half of the actual width of the magazine in view of safety factors, the minimum length is determined by subtracting Δ L1 from Δ L2 because the point of action of the equivalent force couple must be on the actual contact surface, it is concluded that the difference between Δ L1 and Δ L2 is about 20mm, i.e. the width of the second press-fitting member 320 and the support block 220 in the first direction is at least 20 mm. It should be noted that, since N1 and F2 are torques generated by non-ideal surfaces in uniform contact, the actually generated total torque cannot be calculated by a uniform load formula, but the torques generated by N1 and F2 can be estimated by point contact resultant force and equivalent couple length, therefore, Δ L1 in this embodiment is the distance between the equivalent couple length of N1 and the geometric center of the lower surface of the cartridge, and Δ L2 is the distance between the equivalent couple length of F2 and the geometric center of the upper surface of the cartridge; l isF1Is the vertical working distance between F1 and the compensating side pressure N2, LF2Is the distance F2 from the center of the upper surface of the cartridge, LN1Is the distance of action of N1 from the center of the lower surface of the cartridge, LN2Is the vertical working distance between the static friction force f and the compensating side pressure N2.
Based on the same inventive concept, as shown in fig. 10 and 11, an embodiment of the present invention further provides an automatic slat feeder, including: mounting platforms (not shown in fig. 10 and 11), a loading track 4, a discharge track 11, a cartridge handling mechanism and the aforementioned cartridge clamping mechanism in embodiments of the invention.
Specifically, the mounting platform is the load-bearing platform of whole automatic lath material loading machine, and material loading track 4 and the track 11 of unloading set up on the mounting platform along vertical direction interval in proper order, fixes through corresponding bearing structure between the two and material loading track 4 is in the below of the track 11 of unloading promptly, and material loading track 4 is more close to the mounting platform.
The material box carrying mechanism is arranged on the same side of the material loading track 4 and the material unloading track 11 and used for transferring the material box 1. The bottom of the material box conveying mechanism is in sliding connection with the mounting platform through a sliding rail and a driving device (namely a motor lead screw guide rail module 9 in fig. 10).
Further, magazine transport mechanism includes elevating system 8, and linear drive part 100 and elevating system 8 fixed connection (specifically be drive part body and elevating system 8 fixed connection) that magazine clamping mechanism includes drive linear drive part 100 through elevating system 8 and remove along vertical direction to realize whole magazine clamping mechanism's lift.
Optionally, with continued reference to fig. 10 to 13, the automatic slat feeder provided in this embodiment further includes: the workpiece push claw 10 is used for pushing the workpiece in the material box 1 to discharge when the material box 1 is clamped.
In this embodiment, since the workpiece has a certain warpage, an arc-shaped concave structure 10a is disposed at an end of the workpiece pusher 10 facing the magazine 1, and the concave structure 10a is used for contacting with an edge of the workpiece exposed at the end of the magazine 1 and enclosing a small portion of the workpiece in the concave structure 10 a. Compared with the workpiece push claw with the plane structure, the workpiece push claw 10 with the concave surface structure 10a enhances the stability in the material pushing process, thereby avoiding the problem that the workpiece is subjected to vertical vibration due to resistance in the material pushing process.
The material box feeding process of the automatic batten feeding machine provided by the embodiment of the invention is as follows:
firstly, the power source cylinder 2 in the horizontal direction pushes the material box 1 to the standby position along the feeding track 4, the material box 1 is pushed to the material pushing limiting block 6 by the material box pushing hand 5 and cannot move continuously, and meanwhile, a signal of the material box position detection switch 7 is triggered. Then the material box carrying mechanism moves in place through the motor lead screw guide rail module 9 moving transversely and the lifting mechanism 8 moving in the height direction, and the material box 1 is supported and clamped through the material box clamping mechanism.
It should be noted that, because the pushed position of the sheet-like strip 3 (workpiece) in the magazine 1 needs to meet a high precision requirement, it can be ensured that the sheet-like strip 3 pushed by the workpiece pusher 10 can be successfully angle-calibrated on the pre-calibration table of the subsequent device, the automatic strip feeder provided by the embodiment of the invention needs to fix the position of the magazine 1 by the magazine clamping mechanism in the foregoing embodiment, so that the magazine 1 is kept stable when the workpiece pusher 10 pushes the material, thereby ensuring that the pushed sheet-like strip 3 can be successfully angle-calibrated on the pre-calibration table of the subsequent device.
The automatic lath feeding machine provided by the embodiment comprises the magazine clamping mechanism in the embodiment, the magazine clamping mechanism converts the pretightening force applied to the top 1b of the magazine into the pretightening force along the direction parallel to the telescopic piece 120 and the direction perpendicular to the first edge protrusion structure 102 of the top 1b of the magazine by arranging the first pressing piece 310 and the second pressing piece 320 which can relatively slide along the inclined surface, so that the clamping stability of the magazine 1 is favorably increased, the pushed-out sheet lath 3 can be ensured to be smoothly calibrated in the pre-calibration table of subsequent equipment, and the processing quality of the sheet lath 3 is further improved; and because the structure does not need to additionally increase a new moving shaft, the installation space and the manufacturing cost of the whole mechanism are saved.
Those of skill in the art will appreciate that various operations, methods, steps in the processes, acts, or solutions discussed in the present application may be alternated, modified, combined, or deleted. Further, various operations, methods, steps in the flows, which have been discussed in the present application, may be interchanged, modified, rearranged, decomposed, combined, or eliminated. Further, steps, measures, schemes in the various operations, methods, procedures disclosed in the prior art and the present invention can also be alternated, changed, rearranged, decomposed, combined, or deleted.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in a specific situation by those skilled in the art.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A magazine clamping mechanism, comprising:
the linear driving component comprises a driving component body and a telescopic piece, and the telescopic piece and the driving component body can slide relatively;
the first clamping part is connected with the driving part body, extends along one side of the driving part body and is used for limiting and supporting the bottom of the material box;
the second clamping part comprises a first pressing part and a second pressing part, one end of the first pressing part is connected with the telescopic part, and the other end of the first pressing part extends along the direction parallel to the extending direction of the first clamping part;
the free end of the first pressing piece is provided with a first inclined surface facing the driving part body, and the second pressing piece is provided with a second inclined surface which is used for being attached to and sliding with the first inclined surface; the second pressing piece is hung below the first pressing piece through a guide piece and used for sliding along the first inclined surface when receiving the reaction force of the top of the material box until the second pressing piece is abutted against the first edge bulge structure of the top of the material box, so that a first clamping force is generated on the top of the material box, and a second clamping force is generated on the first edge bulge structure; a pressure sensor for detecting the first clamping force is arranged on the bottom surface of the second pressing part, and a pressure sensor for detecting the second clamping force is arranged on the side surface of the second pressing part;
the upper end of the guide piece is fixedly connected with the first pressing piece; the lower end of the guide piece is provided with a limiting part, stepped slotted holes which are in one-to-one correspondence with the guide piece are arranged in the second pressing piece, each stepped slotted hole comprises a first slotted hole section and a second slotted hole section, and the diameter of the limiting part is larger than the width of the first slotted hole section and smaller than the width of the second slotted hole section; the second pressing piece is hung and connected below the first pressing piece through the limiting part clamped in the second slot hole section; when the second inclined surface slides relative to the first inclined surface, the guide piece generates relative displacement along the length extension direction of the stepped slotted hole;
the first press fitting includes: the first connecting plate, the pressing block and the adapter plate are arranged on the first connecting plate; one end of the first connecting plate is connected with one end, far away from the driving part body, of the telescopic piece, and the other end of the first connecting plate extends along a direction parallel to the extending direction of the first clamping part;
the adapter plate is positioned between the pressing block and the first connecting plate, at least one guide hole is formed in the first connecting plate, and the length extending direction of the guide hole is the same as that of the first connecting plate; threaded holes corresponding to the guide holes one to one are formed in the adapter plate, and the guide holes and the threaded holes are connected in a one-to-one alignment mode through threaded connecting pieces;
the pressing block and the guide piece are fixedly connected with one side of the adapter plate, which is far away from the first connecting plate; the area of the pressing block facing the driving part body is provided with the first inclined surface; the position of the second pressing piece is adjusted by adjusting the position of the adapter plate.
2. The cartridge clamping mechanism of claim 1 wherein the guide is a plurality of guides, the plurality of guides being spaced apart along the length of the cartridge.
3. The cartridge clamping mechanism according to claim 1 or 2, wherein the guide hole is plural, and the plural guide holes are arranged in a linear array on the first connecting plate.
4. The cartridge clamping mechanism according to claim 1 or 2, further comprising: a return spring; the reset spring is sleeved on the guide piece and is positioned between the second pressing piece and the first pressing piece;
when the second pressing piece is abutted against the first edge protruding structure at the top of the material box, the return spring is in a compressed state.
5. The cartridge clamping mechanism according to claim 1 or 2, wherein the first pressing member includes at least one first guide groove extending in an oblique direction of the first inclined surface; the second pressing piece comprises at least one first guide block, the first guide block extends along the inclined direction of the second inclined surface, and the first guide blocks are matched with the first guide grooves in a one-to-one corresponding mode;
or, the second pressing piece comprises at least one second guide groove, and the second guide groove extends along the inclined direction of the second inclined surface; the first pressing piece comprises at least one second guide block, the second guide block extends along the inclined direction of the first inclined surface, and the second guide block is matched with the second guide groove in a one-to-one corresponding mode.
6. The cartridge clamping mechanism according to claim 1 or 2, wherein the first clamping portion comprises: a second connecting plate and a supporting block;
the second connecting plate is connected with the driving part body, the second connecting plate is parallel to the telescopic direction of the telescopic piece, and the supporting block is vertically connected with the lower end of the second connecting plate and used for supporting the bottom of the material box;
and the supporting block is provided with a positioning groove on the upper surface close to the second connecting plate, and the positioning groove is used for being in limit fit with the second edge bulge structure at the bottom of the material box.
7. An automatic stave feeder, comprising: mounting platform, loading rail, unloading rail, cartridge handling mechanism and cartridge clamping mechanism according to any of claims 1 to 6;
the feeding rail and the discharging rail are sequentially arranged on the mounting platform at intervals along the vertical direction, and the feeding rail is positioned below the discharging rail; the material box carrying mechanism is arranged on the same side of the feeding track and the discharging track; the material box carrying mechanism is connected with the mounting platform in a sliding manner;
the material box carrying mechanism comprises a lifting mechanism, and a linear driving part of the material box clamping mechanism is fixedly connected with the lifting mechanism.
8. The automatic stave feeder according to claim 7, characterized by further comprising: the workpiece push claw is used for pushing the workpiece in the material box to discharge;
one end of the workpiece push claw, which faces the material box, is provided with an arc-shaped concave surface structure, and the concave surface structure is used for contacting with the edge position of the end part of the workpiece, which is exposed out of the material box.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210119515.8A CN114162598B (en) | 2022-02-08 | 2022-02-08 | Magazine clamping mechanism and automatic lath feeding machine |
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| CN202210119515.8A CN114162598B (en) | 2022-02-08 | 2022-02-08 | Magazine clamping mechanism and automatic lath feeding machine |
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| CN114162598B true CN114162598B (en) | 2022-05-10 |
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| CN116417391B (en) * | 2023-06-09 | 2023-09-05 | 沈阳和研科技股份有限公司 | Full-automatic wafer feeding machine |
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| CN114162598A (en) | 2022-03-11 |
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Address after: 110 000 No. 53 Buyunshan Road, Huanggu District, Shenyang City, Liaoning Province Patentee after: Shenyang Heyan Technology Co.,Ltd. Address before: 110 000 No. 53 Buyunshan Road, Huanggu District, Shenyang City, Liaoning Province Patentee before: SHENYANG HEYAN TECHNOLOGY CO.,LTD. |