CN113547304B - Automatic screw feeding and locking device - Google Patents
Automatic screw feeding and locking device Download PDFInfo
- Publication number
- CN113547304B CN113547304B CN202110869161.4A CN202110869161A CN113547304B CN 113547304 B CN113547304 B CN 113547304B CN 202110869161 A CN202110869161 A CN 202110869161A CN 113547304 B CN113547304 B CN 113547304B
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- screw
- screws
- sliding
- locking
- vertical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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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
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/04—Devices for feeding articles or materials to conveyors for feeding articles
- B65G47/12—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles
- B65G47/14—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles arranging or orientating the articles by mechanical or pneumatic means during feeding
- B65G47/1407—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles arranging or orientating the articles by mechanical or pneumatic means during feeding the articles being fed from a container, e.g. a bowl
- B65G47/1414—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles arranging or orientating the articles by mechanical or pneumatic means during feeding the articles being fed from a container, e.g. a bowl by means of movement of at least the whole wall of the container
- B65G47/1421—Vibratory movement
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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
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
- B65G47/912—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers provided with drive systems with rectilinear movements only
Abstract
The invention discloses an automatic screw feeding and locking device which comprises a screw feeder, a screw arranging machine, a mounting seat, a material distributing mechanism and a locking mechanism, wherein the screw feeding machine is arranged on the mounting seat; the screw feeding machine is used for storing screws and conveying the screws to the screw arrangement machine in an air draft and blowing conveying mode; the distributing mechanism is arranged on the mounting seat, the screw arranging machine is provided with a screw arranging part, the distributing mechanism is used for distributing and positioning screws on the screw arranging part, and the locking mechanism is used for picking up the screws on the distributing mechanism and locking and attaching the screws on a product. The invention solves the problem that the state of the screw passing through the hose is uncertain when the diameter ratio of the screw cap is not less than 1, ensures the continuity of feeding in the screw locking process, changes the screw conveying process into a closed process, thereby eliminating the influence of external factors on the screw conveying process and greatly improving the conveying stability of the screw.
Description
Technical Field
The invention relates to the technical field of screw assembly, in particular to an automatic screw feeding and locking device.
Background
As household appliances, especially televisions, are becoming thinner and lighter, screws used in the assembly process are also becoming thinner. At present, the automatic screw locking mode for screws with the cap diameter ratio larger than or equal to 1 is mainly completed in an adsorption mode, screws are arranged well by a screw arranging machine firstly and then are separated from each other through an indexing circle, screws on the screw arranging machine are absorbed by a locking mechanism of the automatic screw arranging machine, the screws are moved to hole positions needing screwing to be locked, the screws are absorbed by the screw arranging machine after the locking is completed, the screws are moved to the next hole position needing screwing to be locked, and the process is repeated. The simple automatic screw machine needs to take materials back and forth once every time when a screw is locked, the relatively complex automatic screw machine can support to pick up small-batch screws once, and the conventional automatic screw machine generally needs to pick up screws on the screw arranging machine in a reciprocating manner after the small-batch screws are locked.
The existing automatic screw machine has the advantages that: the screw with smaller size or a product with more densely distributed screws can be accurately locked, and the screw locking device is simple in structure and easy to maintain; the disadvantages are that: because the locking mechanism of the automatic screw machine needs to pick up screws frequently, the influence of external factors such as air pressure, scrap iron, alignment precision and the like on the screw in the screw picking process is large, the success rate of picking up the screws is influenced, and the stability of the whole automatic screw machine is greatly influenced. The stroke of picking up the screw by the locking mechanism is worthless, so that the working efficiency of the screw machine in unit time is reduced. With the rising of labor cost, the screw locking method becomes a main bottleneck for improving the efficiency of the screw machine under the trend that the production efficiency needs to be greatly improved. Preventing a better and faster development of automatic screw machines.
Disclosure of Invention
The invention mainly aims to provide an automatic screw feeding and locking device, and aims to solve the technical problem of influence of external factors on the screw conveying process.
In order to achieve the purpose, the invention provides a screw automatic feeding and locking device, which comprises a screw feeder, a screw arranging machine, a mounting seat, a material distributing mechanism and a locking mechanism, wherein the screw feeding machine is arranged on the mounting seat; the screw feeding machine is communicated with the screw arranging machine through a screw conveying pipe, and is used for storing screws and conveying the screws to the screw arranging machine in an air draft and blowing conveying mode; the screw arranging machine is provided with a screw arranging part, the distributing mechanism is used for distributing and positioning screws on the screw arranging part, and the locking mechanism is used for picking up the screws on the distributing mechanism and locking the screws on a product.
Optionally, lock attaches the mechanism and includes the mobile unit, the electricity is criticized and the adsorption part, the electricity is criticized and is established on the mounting panel, the adsorption part is established the electricity of criticizing is criticized on the pole, the adsorption part be used for with screw absorption on the feed mechanism is criticized on the head of pole is criticized to the electricity of criticizing, the mounting panel be used for with mobile unit fixed connection, the mobile unit is used for driving the electricity is criticized and is removed.
Optionally, the mounting plate is provided with a fixing seat on a side surface opposite to the electric screwdriver for fixedly connecting with the mobile unit.
Optionally, the moving unit comprises a four-axis robot arm or a six-axis robot arm or an XYZ three-axis motion mechanism.
Optionally, the adsorption part includes a vacuum suction pipe and a vacuum generator, the electric screwdriver rod of the electric screwdriver is inserted into the vacuum suction pipe, and the vacuum generator is used for vacuumizing the vacuum suction pipe to adsorb the screw on the material distributing mechanism on the head of the electric screwdriver rod of the electric screwdriver.
Optionally, the mounting plate is vertically fixed on the mounting seat, the screw arranging machine and the material distributing mechanism are fixed on the mounting seat, and the locking mechanism is located above the material distributing mechanism; be equipped with first vertical guide rail on the mounting panel, be equipped with first vertical slider on the first vertical guide rail, the electricity is criticized and is established on first vertical slider, be equipped with the lock on the mounting panel and attach the cylinder, the lock attaches the cylinder and is used for driving first vertical slider and removes along first vertical guide rail.
Optionally, be equipped with the adsorption cylinder on the mounting panel, the adsorption cylinder is located the top of first vertical guide rail, be fixed with the locating plate on the piston rod of adsorption cylinder, the lock attaches the cylinder and fixes on the locating plate, the piston rod and the first vertical slider fixed connection of lock attach the cylinder.
Optionally, a bending plate is fixedly arranged on the first vertical sliding block, the bending plate comprises a vertical section and a horizontal section which are mutually perpendicular and connected, the vertical section is fixed on the first vertical sliding block, a piston rod of the locking cylinder is fixedly connected with the horizontal section, the horizontal section is positioned at the upper end of the vertical plate, and the electric screwdriver is arranged on the horizontal section; the side of vertical section keeping away from first vertical slider is equipped with the vertical guide rail of second, be equipped with the vertical slider of second on the vertical guide rail of second, be equipped with the installation piece on the vertical slider of second, be equipped with vertical through-hole on the installation piece, the vacuum suction pipe passes the through-hole is fixed on the installation piece, the pole interlude is criticized to the electricity of electricity criticizing is in the vacuum suction pipe, be equipped with elastic telescopic structure between installation piece and the horizontal segment.
Optionally, the elastic telescopic structure comprises a spring and a sliding rod, one end of the sliding rod is fixedly arranged on the mounting block, the other end of the sliding rod penetrates through the horizontal section, and the spring is sleeved on the sliding rod and located between the mounting block and the horizontal section.
Optionally, an air duct is arranged on the mounting block, one end of the air duct is embedded in the mounting block and is communicated with the vacuum suction pipe, and the other end of the air duct extends out of the mounting block and is communicated with a vacuumizing interface of the vacuum generator.
Optionally, the screw arrangement portion is a screw arrangement groove, when the screws are arranged in the screw arrangement groove by the screw arrangement machine, a screw rod of the screw is located in the screw arrangement groove, a nut of the screw is supported on the screw arrangement groove, the screw arrangement groove is located on the mounting seat, the material distribution mechanism includes a sliding block and a fixed block, the screw arrangement groove and the fixed block are adjacently arranged side by side, the sliding block is arranged opposite to the screw arrangement groove and the fixed block, the sliding block includes a material distribution portion and a limiting portion, a notch butted with the screw arrangement groove is arranged on an end face of the material distribution portion opposite to the screw arrangement groove, the sliding block moves between a first position and a second position under the driving of the driving mechanism, and when the sliding block is located at the first position, the notch is butted with the screw arrangement groove, the screws on the screw arrangement grooves are pushed into the groove openings under the action of a screw arrangement machine; when the sliding block slides from the first position to the second position, the material distributing part drives the screws in the groove to slide to the fixed block and be butted with the fixed block, and the limiting part is butted with the screw arrangement groove to limit the screws in the screw arrangement groove to be discharged.
Optionally, the screw arrangement machine is provided with a limiting plate above the screw arrangement groove.
Optionally, the limiting plate is being close to the one end of sliding block is equipped with the screw detector that is used for detecting whether there is the screw on the notch.
Optionally, the screw detector includes light emitter and photoreceiver, light emitter, photoreceiver and notch are located same vertical axis, photoreceiver establishes at the limiting plate and is close to the one end of sliding block and is located the notch top, the light emitter is established on the mount pad and is located the notch below.
Optionally, a horizontal guide rail is arranged on the mounting seat, the sliding block is arranged on the horizontal guide rail, and the driving mechanism drives the sliding block to slide on the horizontal guide rail.
Optionally, the driving mechanism is an air cylinder, and a piston rod of the air cylinder is fixedly connected with the sliding block.
Optionally, a limiting part for preventing the sliding block from slipping is arranged on the horizontal guide rail.
Optionally, a first sliding groove perpendicular to the sliding direction of the sliding block is arranged on the material distributing portion, a first sliding plate is arranged on the first sliding groove, a first elastic unit is arranged between the material distributing portion and the first sliding plate, the first elastic unit provides elastic force perpendicular to the sliding direction of the sliding block to the first sliding plate, a notch is arranged on the end face of the first sliding plate opposite to the screw arrangement groove, a first hollowed-out slideway coinciding with the sliding track of the notch is arranged on the first sliding groove, a second sliding groove perpendicular to the sliding direction of the sliding block is arranged on the fixed block, a second sliding plate is arranged on the second sliding groove, a second elastic unit is arranged between the fixed block and the second sliding plate, the second elastic unit provides elastic force perpendicular to the sliding direction to the second sliding plate, a second hollowed-out slideway is arranged on the second sliding groove, and when the sliding block is at the second position, the second hollow slideway is communicated with the first hollow slideway.
Optionally, the first elastic unit is a spring, and one end of the spring is fixedly connected with the material distributing portion, and the other end of the spring is fixedly connected with the first sliding plate.
Optionally, the second elastic unit is a spring, and one end of the spring is fixedly connected with the material distributing portion, and the other end of the spring is fixedly connected with the second sliding plate.
According to the technical scheme, the screw feeding machine is communicated with the screw arranging machine through the screw conveying pipe, and the screw feeding machine is used for storing screws and conveying the screws to the screw arranging machine in an air draft and blowing conveying mode; in addition, the distributing mechanism is arranged on the mounting seat, the screw arranging machine is provided with a screw arranging part, the distributing mechanism is used for distributing and positioning screws on the screw arranging part, and the locking mechanism is used for picking up the screws on the distributing mechanism and locking the screws on a product. According to the invention, the screws are continuously supplied through the screw feeder, and the conveyed screws are reordered by the screw arranging machine, so that the condition that the state of the screws passing through the hose is uncertain when the diameter ratio of the screw caps is not less than 1 is solved, the feeding continuity in the screw locking process is ensured, and the screw conveying process is changed into a closed process, thereby eliminating the influence of external factors on the screw conveying process, greatly improving the conveying stability of the screws, saving the time for the locking mechanism to take the screws back and forth in the continuous screw locking process, greatly improving the screw locking efficiency and stability, and indirectly reducing the energy consumption of the whole machine.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of a first angular configuration of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a second angular configuration of the present invention;
FIG. 4 is a right side view of FIG. 1;
FIG. 5 is a schematic structural view of a screw arrangement machine according to the present invention;
FIG. 6 is a schematic structural diagram of the slider of the present invention;
the reference numbers illustrate:
the implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides an automatic screw feeding and locking device, which includes a screw feeder 10, a screw arranging machine 20, a mounting seat 30, a material distributing mechanism 40 and a locking mechanism 50; the screw feeder 10 is communicated with the screw arranging machine 20 through a screw conveying pipe 11, and the screw feeder 10 is used for storing screws and conveying the screws to the screw arranging machine 20 in an air draft and blowing conveying mode; the material distributing mechanism 40 is arranged on the mounting seat 30, the screw arranging machine 20 is provided with a screw arranging part, the material distributing mechanism 40 is used for distributing and positioning screws on the screw arranging part, and the locking mechanism 50 is used for picking up the screws on the material distributing mechanism 40 and locking the screws on a product.
According to the technical scheme, the screw feeding machine is communicated with the screw arranging machine through the screw conveying pipe, and the screw feeding machine is used for storing screws and conveying the screws to the screw arranging machine in an air draft and blowing conveying mode; in addition, the distributing mechanism is arranged on the mounting seat, the screw arranging machine is provided with a screw arranging part, the distributing mechanism is used for distributing and positioning screws on the screw arranging part, and the locking mechanism is used for picking up the screws on the distributing mechanism and locking and attaching the screws on a product. According to the invention, the screws are continuously supplied through the screw feeder, and the conveyed screws are reordered by the screw arranging machine, so that the problem that the state of the screws passing through the hose is uncertain when the diameter ratio of the screw caps is not less than 1 is solved, the feeding continuity in the screw locking process is ensured, and the conveying process of the screws is changed into a closed process, so that the influence of external factors on the screw conveying process is eliminated, and the conveying stability of the screws is greatly improved.
In addition, in this embodiment, the screw feeding machine 10 and the screw arranging machine 20 both adopt the screw feeding machine and the screw arranging machine in the prior art, wherein the screw feeding machine includes a case, an air pump and a storage tank, the air pump is disposed in the case, the storage tank is disposed on the case, and the air pump is connected with the screw arranging machine through a screw conveying pipe. The screw feeder adopts the mode of air blowing formula conveying, blows out the screw of depositing in the stock chest through the air pump, and the screw can convey to the screw arrangement machine along the screw conveyer pipe on to accomplish screw automatic feeding's process.
Referring to fig. 1 to 6, in the present embodiment, the locking mechanism 50 includes a moving unit, an electric screwdriver 51 and an adsorbing portion, the electric screwdriver 51 is disposed on the mounting plate 53, the adsorbing portion is disposed on the electric screwdriver rod of the electric screwdriver 51, the adsorbing portion is used for adsorbing the screw on the material separating mechanism 40 on the head of the electric screwdriver rod of the electric screwdriver 51, the mounting plate 30 is used for being fixedly connected with the moving unit, and the moving unit is used for driving the electric screwdriver 51 to move. When the screwdriver is used, after the screwdriver is adsorbed to the screw, the screwdriver is moved to the product by the moving unit, and then the screwdriver is started to lock the screw on the product.
Specifically, the mounting plate 53 is provided with a fixing seat 54 on a side surface opposite to the electric screwdriver 51 for fixedly connecting with a moving unit, wherein the moving unit comprises a four-axis robot arm or a six-axis robot arm or an XYZ three-axis movement mechanism. The four-axis robot arm, the six-axis robot arm and the XYZ three-axis movement mechanism can move in three-dimensional directions.
In this embodiment, the suction unit includes a vacuum suction pipe 52 through which the electric screwdriver rod of the electric screwdriver 51 is inserted, and a vacuum generator for sucking the screw on the feed mechanism 40 to the head of the electric screwdriver rod of the electric screwdriver 51 by vacuuming the vacuum suction pipe 52. When the screwdriver is used, the screwdriver is moved to the upper side of the screw firstly, then the screwdriver is rotated, the head of the screwdriver is aligned to the notch in the screw, the vacuum generator is started to vacuumize the vacuum suction pipe, the suction force of the vacuum suction pipe sucks the screw to the head of the screwdriver, and the screw is adsorbed.
Referring to fig. 1 to 6, in the present embodiment, the mounting plate 53 is vertically fixed on the mounting base 30, the screw arranging machine 20 and the material distributing mechanism 40 are fixed on the mounting base 30, and the locking mechanism 50 is located above the material distributing mechanism 40; be equipped with first vertical guide rail 531 on the mounting panel 53, be equipped with first vertical slider 532 on first vertical guide rail 531, the screwdriver 51 is established on first vertical slider 532, is equipped with lock on the mounting panel 53 and attaches the cylinder 55, and lock attaches the cylinder 55 and is used for driving first vertical slider 532 and removes along first vertical guide rail 531. The mounting plate is vertically and fixedly connected with the mounting seat, so that the screw arranging machine and the locking mechanism move together, even if screws on the screw arranging machine are used up, the screws can be continuously supplied through the screw feeding machine, the material taking time of the locking mechanism in the process of continuously locking the screws is saved, the screw locking efficiency and stability are greatly improved, and the energy consumption of the whole machine is indirectly reduced. In addition, the electric screwdriver is driven to slide on the mounting plate through the locking cylinder, so that the distance between the electric screwdriver and the mounting seat is adjusted, and the electric screwdriver can be suitable for locking products with different thicknesses.
In this embodiment, the mounting plate 53 is provided with an adsorption cylinder 56, the adsorption cylinder 56 is located above the first vertical guide rail 531, a positioning plate 561 is fixed on a piston rod of the adsorption cylinder 56, the locking cylinder 55 is fixed on the positioning plate 561, and a piston rod of the locking cylinder 55 is fixedly connected to the first vertical slider 532. Because the distance between the screwdriver and the screw needs to be adjusted in the screw adsorption process, the adsorption air cylinder is arranged so as to adjust the distance between the screwdriver and the screw.
Referring to fig. 1 to 6, in the present embodiment, a bending plate 57 is fixedly disposed on a first vertical slider 532, the bending plate 57 includes a vertical section and a horizontal section which are vertically connected to each other, the vertical section is fixed on the first vertical slider 532, a piston rod of a locking cylinder 55 is fixedly connected to the horizontal section, the horizontal section is located at the upper end of the vertical plate, and an electric screwdriver 51 is disposed on the horizontal section; the side of first vertical slider 532 is kept away from to vertical section is equipped with second vertical guide rail 533, is equipped with the vertical slider 534 of second on the vertical guide rail 533 of second, is equipped with installation piece 521 on the vertical slider 534 of second, is equipped with vertical through-hole on the installation piece 521, and vacuum suction pipe 52 passes the through-hole and fixes on installation piece 521, and the pole interlude is criticized in vacuum suction pipe 52 to the electricity of electricity criticizing 51, is equipped with elastic telescopic structure between installation piece 521 and the horizontal segment. The screwdriver and the vacuum suction pipe are designed to be of a structure capable of moving relatively, when the screwdriver is used for adsorbing screws and locking products, and the screwdriver is moved to advance, the vacuum suction pipe can be compressed passively, so that the screwdriver can be located on the vacuum suction pipe when not in work, the screwdriver can be exposed out of the vacuum suction pipe when in work, the screwdriver can adsorb the screws and lock the screws more firmly and conveniently, and the working efficiency is higher. And the elastic telescopic structure enables the electric screwdriver and the vacuum suction pipe to recover the original position when not under the action of external force, and particularly, when the vacuum suction pipe is not compressed, the electric screwdriver is positioned in the vacuum suction pipe.
Specifically, the elastic telescopic structure comprises a spring 61 and a sliding rod 62, one end of the sliding rod 62 is fixed on the mounting block 521, the other end of the sliding rod 62 penetrates through the horizontal section, and the spring 61 is sleeved on the sliding rod 62 and located between the mounting block 521 and the horizontal section. The elastic restoring force is given to the mounting block through the spring, so that the electric screwdriver and the vacuum suction pipe can restore the original positions when not influenced by external force.
In this embodiment, the mounting block 521 is provided with an air duct 522, one end of the air duct 522 is embedded in the mounting block 521 and is communicated with the vacuum suction pipe 52, and the other end of the air duct 522 extends out of the mounting block 521 and is communicated with a vacuum-pumping interface of the vacuum generator. The air guide pipe is embedded in the mounting block and communicated with the vacuum suction pipe, so that the air guide pipe and the vacuum suction pipe can be connected with each other to have good air tightness, and meanwhile, the air guide pipe cannot be touched by mistake and fall off.
Referring to fig. 1 to 6, in the present embodiment, the screw arrangement portion is a screw arrangement groove 23, and when screws are arranged in the screw arrangement groove 23 by the screw arrangement machine 20, the screw rod of the screw is positioned in the screw arrangement groove 23, the nut of the screw is supported on the screw arrangement groove 23, the screw arrangement groove 23 is positioned on the mounting seat 30, the material distribution mechanism 40 comprises a sliding block 42 and a fixed block 41, the screw arrangement groove 23 and the fixed block 41 are adjacently arranged side by side, the sliding block 42 is oppositely arranged with the screw arrangement groove 23 and the fixed block 41, the sliding block 42 comprises a material distribution part and a limiting part, the material distribution part is provided with a notch 421 oppositely connected with the screw arrangement groove 23 on the end surface opposite to the screw arrangement groove 23, the sliding block 42 is driven by the driving mechanism 43 to move between a first position and a second position, when the sliding block 42 is positioned at the first position, the notch 421 is butted with the screw arrangement groove 23, and the screws on the screw arrangement groove 23 are pushed into the notch 421 under the action of the screw arrangement machine 20; when the sliding block 42 slides from the first position to the second position, the material separating portion drives the screw located in the notch 421 to slide to the fixing block 41 and abut against the fixing block 41, and the limiting portion abuts against the screw arrangement groove 23 to limit the screw in the screw arrangement groove 23 to be discharged. That is, the sliding block moves between a first position and a second position under the driving of the driving mechanism, when the sliding block is located at the first position, screws on the screw arrangement grooves are pushed into the groove openings under the action of the screw arrangement machine, screw rods of the screws are located in the groove openings, screw caps of the screws are supported on the groove openings, the driving mechanism is opened to drive the sliding block to slide to the second position, the groove openings are in butt joint with the fixed blocks, the limiting parts are in butt joint with the screw arrangement grooves to limit the screws in the screw arrangement grooves to be discharged, the sliding block is used for distributing and locating the screws, and then the screws on the distributing mechanism are picked up by the locking mechanism and then are locked on a product.
The specific working process is as follows: the screw feeder is used for storing screws and conveying the screws to the screw arrangement machine in an air draft and blowing transmission mode, the screw feeder can convey a certain amount of screws to the screw arrangement machine at one time, namely the screws can be continuously supplied through the screw feeder, the problem that the screws of the conventional screw arrangement machine are insufficient in supply and need to be replenished repeatedly is solved, and the screws are conveyed through the screw conveying pipe, so that the influence of the outside on the screws is avoided; when the locking mechanism is used, the conveyed screws are reordered by the screw arraying machine, the screws are arrayed to the screw arraying grooves by the screw arraying machine, the sliding block is located at the first position at the moment, the screws on the screw arraying grooves are pushed into the groove openings under the action of the screw arraying machine, screw rods of the screws are located in the groove openings, screw caps of the screws are supported on the groove openings, the driving mechanism is started to drive the sliding block to slide to the second position, the sliding block drives the screws to slide to the second position, the groove openings are in butt joint with the fixed block at the moment, the limiting portions are in butt joint with the screw arraying grooves to limit the screws in the screw arraying grooves to be discharged, the sliding block is used for distributing and positioning the screws, and then the screws on the distributing mechanism are picked up by the locking mechanism and are locked on a product.
In the present embodiment, the screw arrangement machine 20 is provided with a stopper plate 21 above the screw arrangement groove 23. The limiting plate is used for preventing the screws from jumping out of the screw arrangement grooves, and the height of the limiting plate can be adjusted to adapt to screws of different specifications and sizes.
In the present embodiment, the limit plate 21 is provided with a screw detector 22 at an end close to the slide block 42 for detecting whether there is a screw on the notch 421. The screw detector is used for detecting whether a screw is arranged on the notch or not, and when the screw is arranged on the notch, the driving mechanism is controlled to drive the sliding block to slide to the second position, so that automatic control is realized.
Specifically, the screw detector 22 includes a light emitter and a light receiver, the light emitter, the light receiver and the notch 421 are located on the same vertical axis, the light receiver is disposed at one end of the limiting plate 21 close to the sliding block 42 and above the notch 421, and the light emitter is disposed on the mounting seat 30 and below the notch 421. The detection of the screw is realized through the cooperation of the optical transmitter and the optical receiver.
Referring to fig. 1 to fig. 6, in the present embodiment, a horizontal guide rail 44 is disposed on the mounting base 30, the sliding block 42 is disposed on the horizontal guide rail 44, and the driving mechanism 43 drives the sliding block 42 to slide on the horizontal guide rail 44. Specifically, the driving mechanism 43 is a cylinder, and a piston rod of the cylinder is fixedly connected to the sliding block 42. Further, a stopper 45 for preventing the slide block 42 from slipping off is provided on the horizontal guide rail 44.
In this embodiment, the material separating portion is provided with a first sliding groove perpendicular to the sliding direction of the sliding block 42, the first sliding groove is provided with a first sliding plate 47, a first elastic unit 49 is provided between the material separating portion and the first sliding plate 47, the first elastic unit 49 provides the first sliding plate 47 with an elastic force perpendicular to the sliding direction of the sliding block 42, the end surface of the first sliding plate 47 opposite to the screw arrangement groove 23 is provided with a notch 421, the first sliding groove is provided with a first hollowed-out slideway coinciding with the sliding track of the notch 421, the fixed block 41 is provided with a second sliding groove perpendicular to the sliding direction of the sliding block 42, the second sliding groove is provided with a second sliding plate 46, a second elastic unit 48 is provided between the fixed block 41 and the second sliding plate 46, the second elastic unit 48 provides the second sliding plate 46 with an elastic force perpendicular to the sliding direction of the sliding block 42, the second sliding groove is provided with a second hollowed-out slideway, when the sliding block 42 is at the second position, the second hollow slideway is communicated with the first hollow slideway. Adopt the flexible mode of elasticity to realize the screw elasticity centre gripping through first slide and second slide, and attach the mechanism at the absorption screw in-process at the lock, the lock attaches the mechanism and can back open first slide and second slide and take place the friction between screw and first slide and the second slide, makes the screw adsorbed more fast.
The first elastic unit 49 is a spring, one end of the spring is fixedly connected with the material separating portion, and the other end of the spring is fixedly connected with the first sliding plate 47.
The second elastic unit 48 is a spring, one end of the spring is fixedly connected with the material separating portion, and the other end of the spring is fixedly connected with the second sliding plate 46.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An automatic screw feeding and locking device is characterized by comprising a screw feeder, a screw arranging machine, a mounting seat, a material distributing mechanism and a locking mechanism; the screw feeding machine is communicated with the screw arranging machine through a screw conveying pipe, and is used for storing screws and conveying the screws to the screw arranging machine in an air draft and blowing conveying mode; the screw arranging machine is provided with a screw arranging part, the distributing mechanism is used for distributing and positioning screws on the screw arranging part, and the locking mechanism is used for picking up the screws on the distributing mechanism and locking the screws on a product;
the screw arranging machine and the material distributing mechanism are fixed on the mounting seat;
the locking mechanism comprises an electric screwdriver, and the electric screwdriver is arranged on the mounting plate;
the mounting panel vertical fixation is in on the mount pad, the mounting panel be used for with mobile unit fixed connection, the mobile unit is used for driving the electricity is criticized and is removed to the product on, so that the screw arrangement machine with the lock attaches the mechanism and remove together.
2. The locking device of claim 1, wherein the locking mechanism includes an attaching portion provided on a rod of the electric screwdriver, the attaching portion being configured to attach the screw of the material separating mechanism to a head of the rod of the electric screwdriver.
3. An attaching device according to claim 2, wherein said attaching portion includes a vacuum suction pipe through which the electric screwdriver rod of the electric screwdriver is inserted, and a vacuum generator for evacuating said vacuum suction pipe to attach the screw on the material distributing mechanism to the head of the electric screwdriver rod.
4. The locking attachment device of claim 3, wherein the locking attachment mechanism is located above the feed mechanism; be equipped with first vertical guide rail on the mounting panel, be equipped with first vertical slider on the first vertical guide rail, the electricity is criticized and is established on first vertical slider, it attaches the cylinder to be equipped with the lock on the mounting panel, the lock attaches the cylinder and is used for driving first vertical slider and removes along first vertical guide rail.
5. The locking device according to claim 4, wherein an adsorption cylinder is arranged on the mounting plate, the adsorption cylinder is positioned above the first vertical guide rail, a positioning plate is fixed on a piston rod of the adsorption cylinder, the locking cylinder is fixed on the positioning plate, and the piston rod of the locking cylinder is fixedly connected with the first vertical slider.
6. The locking device according to claim 5, wherein the first vertical slider is fixedly provided with a bending plate, the bending plate comprises a vertical section and a horizontal section which are vertically connected with each other, the vertical section is fixed on the first vertical slider, a piston rod of the locking cylinder is fixedly connected with the horizontal section, the horizontal section is positioned at the upper end of the vertical plate, and the electric screwdriver is arranged on the horizontal section; the side of vertical section keeping away from first vertical slider is equipped with the vertical guide rail of second, be equipped with the vertical slider of second on the vertical guide rail of second, be equipped with the installation piece on the vertical slider of second, be equipped with vertical through-hole on the installation piece, the vacuum suction pipe passes the through-hole is fixed on the installation piece, the pole interlude is criticized to the electricity of electricity criticizing is in the vacuum suction pipe, be equipped with elastic telescopic structure between installation piece and the horizontal segment.
7. The locking device of claim 6, wherein the resilient telescoping structure comprises a spring and a slide bar, one end of the slide bar is fixed to the mounting block, the other end of the slide bar extends through the horizontal section, and the spring is sleeved on the slide bar and positioned between the mounting block and the horizontal section.
8. The locking device of claim 6, wherein the mounting block is provided with an air duct, one end of the air duct is embedded in the mounting block and is communicated with the vacuum suction tube, and the other end of the air duct extends out of the mounting block and is communicated with a vacuum-pumping interface of the vacuum generator.
9. The locking device according to claim 1, wherein the screw arrangement portion is a screw arrangement groove, when the screws are arranged in the screw arrangement groove by the screw arrangement machine, a screw rod of the screw is positioned in the screw arrangement groove, a nut of the screw is supported on the screw arrangement groove, the screw arrangement groove is positioned on the mounting seat, the material distribution mechanism includes a sliding block and a fixed block, the screw arrangement groove is arranged adjacent to the fixed block side by side, the sliding block is arranged opposite to the screw arrangement groove and the fixed block, the sliding block includes a material distribution portion and a position limiting portion, the material distribution portion is provided with a notch abutting against the screw arrangement groove on an end surface opposing to the screw arrangement groove, the sliding block moves between a first position and a second position under the driving of the driving mechanism, and when the sliding block is in the first position, the notch is butted with the screw arrangement groove, and screws on the screw arrangement groove are pushed into the notch under the action of a screw arrangement machine; when the sliding block slides from the first position to the second position, the material distributing part drives the screws in the groove to slide to the fixed block and be butted with the fixed block, and the limiting part is butted with the screw arrangement groove to limit the screws in the screw arrangement groove to be discharged.
10. The locking device according to claim 9, wherein the material separating portion has a first sliding groove perpendicular to the sliding direction of the sliding block, the first sliding groove has a first sliding plate, a first elastic unit is disposed between the material separating portion and the first sliding plate, the first elastic unit provides the first sliding plate with an elastic force perpendicular to the sliding direction of the sliding block, the first sliding plate has a notch on an end surface opposite to the screw arrangement groove, the first sliding groove has a first hollowed slide rail coinciding with the sliding track of the notch, the fixed block has a second sliding groove perpendicular to the sliding direction of the sliding block, the second sliding groove has a second sliding plate, a second elastic unit is disposed between the fixed block and the second sliding plate, the second elastic unit provides the second sliding plate with an elastic force perpendicular to the sliding direction of the sliding block, the second sliding groove has a second hollowed slide rail, when the sliding block is located the second position, second fretwork slide is linked together with first fretwork slide.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110869161.4A CN113547304B (en) | 2021-07-29 | 2021-07-29 | Automatic screw feeding and locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110869161.4A CN113547304B (en) | 2021-07-29 | 2021-07-29 | Automatic screw feeding and locking device |
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| CN113547304A CN113547304A (en) | 2021-10-26 |
| CN113547304B true CN113547304B (en) | 2022-07-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114952260A (en) * | 2022-04-02 | 2022-08-30 | 歌尔科技有限公司 | Screw machine |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3368068B2 (en) * | 1994-09-26 | 2003-01-20 | 株式会社青山製作所 | Caulking nut continuous feed driving device |
| CN101797734A (en) * | 2010-01-19 | 2010-08-11 | 吴江市博众精工科技有限公司 | Screw locking machine |
| CN203863331U (en) * | 2014-05-13 | 2014-10-08 | 苏州博众精工科技有限公司 | Suction type screw lock-attaching device |
| CN104117847B (en) * | 2014-07-15 | 2016-09-07 | 苏州博众精工科技有限公司 | A kind of screw locking device |
| CN107971744B (en) * | 2015-10-22 | 2019-09-24 | 史美珍 | Automatic locking screw machine |
| CN206561257U (en) * | 2017-02-20 | 2017-10-17 | 浙江启元自动化科技有限公司 | A kind of roller screw automatic feeding system |
| CN208051329U (en) * | 2018-02-08 | 2018-11-06 | 深圳市跃顺螺丝紧固设备有限公司 | A kind of air-blowing feeding-distribution device |
| CN209919285U (en) * | 2019-05-10 | 2020-01-10 | 深圳市诺盛豪自动化有限公司 | Air blowing type automatic screw locking machine |
| CN210232170U (en) * | 2019-06-29 | 2020-04-03 | 深圳市鸿锐达科技有限公司 | Suction-blowing combined feeding device of automatic screw locking machine |
| CN211727368U (en) * | 2019-12-31 | 2020-10-23 | 无锡市思拓精密机械有限公司 | Screw feeding device of squeeze riveter |
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