CN115592386B - Automatic assembling device for screw and nut - Google Patents
Automatic assembling device for screw and nut Download PDFInfo
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- CN115592386B CN115592386B CN202211600486.3A CN202211600486A CN115592386B CN 115592386 B CN115592386 B CN 115592386B CN 202211600486 A CN202211600486 A CN 202211600486A CN 115592386 B CN115592386 B CN 115592386B
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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
Abstract
The invention relates to the technical field of screw and nut assembly, and provides an automatic screw and nut assembly device which comprises a rack and a rotary driving assembly arranged on the rack, wherein the rotary driving assembly is provided with a communicating channel, the communicating channel is provided with a nut bayonet, and the automatic screw and nut assembly device also comprises: the screw feeding mechanism is arranged on the frame; the screw pushing assembly is arranged on the rack, and a gap is formed between the screw pushing assembly and the rotation driving assembly; the screw pushing mechanism is arranged on the rack and communicated with the screw feeding mechanism; the nut feeding mechanism is arranged on the rack and provided with a nut discharging hole; the nut pushing mechanism is arranged on the rack and provided with a pushing rod which moves relative to the rack, and the pushing rod is provided with a bearing platform. Through the technical scheme, the problems that operators need to participate in the whole process when the screw and the nut are assembled in the related technology, the labor intensity of the operators is high, the assembling efficiency is low, and the operators are easily damaged by accidents are solved.
Description
Technical Field
The invention relates to the technical field of screw and nut assembly, in particular to an automatic screw and nut assembly device.
Background
In the prior art, the screw and the nut are used in a matched manner, after the screw and the nut are produced, the screw and the nut need to be assembled together, and then the assembled screw and nut are packed, so that a user can use the screw and nut without self matching; however, in the prior art, the assembly of the screw and the nut depends on semi-automatic assembly, the assembly platform is arranged, the rotation driving assembly is installed on the assembly platform, the clamping sleeve is arranged on the driving end of the rotation driving assembly, the screw is driven to rotate through the clamping sleeve, an operator places the screw in the clamping sleeve and drives the driving end of the rotation driving assembly to rotate, the clamping sleeve is driven to rotate, the nut is placed on the rotating screw by the operator at the moment, the nut is assembled by the aid of rotation of the screw, the operator is placed in a finished product bag or a finished product box after the assembly is completed, the operator needs the operator to participate in the whole process, and in the assembly process, the operator is easy to throw the screw out due to improper operation, the operator is damaged, and the semi-automatic assembly also has the defects of high labor intensity and low working efficiency.
Disclosure of Invention
The invention provides an automatic screw and nut assembling device, which solves the problems that in the prior art, operators need to participate in the whole process when assembling screws and nuts, the labor intensity of the operators is high, the assembling efficiency is low, and the operators are easily damaged by accidents.
The technical scheme of the invention is as follows:
screw nut automatic assembly device, be in including frame and setting rotation drive assembly in the frame, rotation drive assembly has the intercommunication passageway, the intercommunication passageway has the nut bayonet socket, still includes:
the screw feeding mechanism is arranged on the rack;
the screw pushing assembly is arranged on the rack, and a gap is formed between the screw pushing assembly and the rotation driving assembly;
the screw pushing mechanism is arranged on the rack, is communicated with the screw feeding mechanism and is used for pushing a screw to a position concentric with the nut bayonet along the gap, and the screw pushing assembly is used for pushing the screw to move towards the nut bayonet after the screw is in place;
the nut feeding mechanism is arranged on the rack and is provided with a nut discharging hole;
nut push mechanism, nut push mechanism sets up in the frame, nut push mechanism has the push rod of relative frame removal, the push rod has the cushion cap, the push rod removes the back, is used for opening or closing the nut discharge gate, the push rod removes and opens behind the nut discharge gate, the cushion cap is located nut discharge gate below, the push rod is used for driving the nut is followed the intercommunication passageway removes extremely in the nut bayonet socket.
As a further technical solution, the nut pushing mechanism includes:
a first linear drive member disposed on the frame;
the first sliding seat is arranged on the rack in a sliding mode, and the first linear driving piece drives the first sliding seat to be close to or far away from the rotary driving assembly;
the second linear driving piece is arranged on the first sliding seat, the push rod is arranged on the second linear driving piece, and the top end of the push rod is provided with a transition inclined plane obliquely arranged.
As a further technical solution, the push rod includes:
the first ejector rod is arranged on the driving end of the second linear driving piece and provided with a plurality of mounting holes;
the sliding block is arranged in the mounting hole in an adjustable manner;
the rotating sleeve is sleeved on the first ejector rod, a linear slide way and a spiral slide way which are communicated are arranged in the rotating sleeve, the sliding block is arranged in the linear slide way and the spiral slide way in a sliding manner, and the bearing platform is positioned at one end of the rotating sleeve, which is close to the nut bayonet;
the rotating sleeve is connected with the first ejector rod through the first elastic piece, and the first elastic piece is used for providing a force for the rotating sleeve to be far away from the first ejector rod;
the second ejector rod is arranged in the rotating sleeve in a sliding mode;
and the second ejector rod is connected with the end part of the first ejector rod by virtue of the second elastic piece, and the second elastic piece is used for providing a force for abutting the second ejector rod against the nut.
As a further technical scheme, the bearing platform is provided with a nut clamping groove, and the push rod further comprises:
the magnetic part is arranged in the nut clamping groove.
As a further technical scheme, the screw feed mechanism includes:
the screw hopper is arranged on the rack and is provided with a first screw discharge hole;
the intermittent lifting assembly is arranged on the rack;
the screw slide rail, screw slide rail top has the screw feed inlet, screw slide rail bottom has second screw discharge gate, screw push mechanism be used for with second screw discharge gate intercommunication, the screw slide rail still has width adjustable screw slide, the screw slide is used for single transport the screw, the intermittent type promotes the subassembly be used for with the screw transport extremely in the screw feed inlet.
As a further technical solution, the intermittent lifting assembly comprises:
the driving motor is arranged on the rack;
the rotating shafts are arranged on the rack in a rotating mode, and the driving motor drives one rotating shaft to rotate;
the conveying belt is wound on the plurality of rotating shafts, the rotating shafts drive the conveying belt to convey, a plurality of magnetic pieces arranged at intervals are arranged on the conveying end face of the conveying belt, and the first screw discharge port is abutted to the conveying end face of the conveying belt;
screw feed mechanism still includes:
the guide scraper is obliquely arranged on the screw slide rail, the end part of the guide surface of the guide scraper is communicated with the screw feeding hole, and the other end of the guide surface abuts against the conveying end surface of the conveying belt.
As a further technical solution, the screw pushing mechanism includes:
the blocking plate is arranged on the screw sliding rail and is provided with an avoidance hole, and the avoidance hole is used for avoiding the end part of the screw;
a third linear drive disposed on the frame;
the second sliding seat is arranged on the rack in a sliding mode, and the third linear driving piece drives the second sliding seat to slide;
the clamping piece, clamping piece one end butt is in on the second slide, the other end with the tip of second slide forms screw clamping space, the clamping piece with the help of the extension spring with the second slide is connected, the extension spring provides the clamping piece butt the power of second slide.
As a further technical solution, the screw pushing assembly comprises:
a fourth linear drive member disposed on the frame;
the jacking block is arranged on the rack in a sliding manner, the fourth linear driving piece drives the jacking block to slide, and the jacking block is used for pushing the screw to be close to the nut bayonet;
and the finished product discharging guide groove is arranged on the rack and is positioned below the screw pushing mechanism.
As a further technical scheme, the screw feeding mechanism, the screw pushing mechanism, the nut pushing mechanism and the rotary driving assembly are provided with two screw feeding holes which are symmetrically arranged on the rack, and the nut discharging holes are correspondingly arranged at the nut pushing mechanism.
The working principle and the beneficial effects of the invention are as follows:
in order to solve the problems that operators need to participate in the whole process when assembling the screw and the nut in the related technology, the labor intensity of the operators is high, the assembling efficiency is low, and the operators are prone to being damaged by accidents, the automatic assembling device for the screw and the nut is designed.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the nut pushing mechanism according to the present invention;
FIG. 3 is a schematic view of the structure of part A of FIG. 2;
FIG. 4 is a schematic view of the structure of the portion B in FIG. 3;
FIG. 5 is a schematic side view of the present invention;
FIG. 6 is a schematic view of the structure of part C of FIG. 1;
FIG. 7 is a schematic top view of the nut pushing mechanism and the screw pushing mechanism of the present invention;
FIG. 8 is a schematic front view of a screw pushing mechanism according to the present invention;
FIG. 9 is a schematic view of the structure of the portion D in FIG. 8;
in the figure: 1. a frame, 2, a rotation driving component, 3, a screw feeding mechanism, 4, a screw pushing component, 5, a screw pushing mechanism, 6, a nut feeding mechanism, 7, a nut pushing mechanism, 2-1, a communication channel, 2-2, a nut bayonet, 3-1, a screw hopper, 3-2, a first screw discharging port, 3-3, an intermittent lifting component, 3-4, a screw sliding rail, 3-5, a screw feeding port, 3-4-1, a second screw discharging port, 3-4-2, a screw sliding rail, 3-3-1, a driving motor, 3-3-2, a rotating shaft, 3-3-3, a conveying belt, 3-3-4, a magnetic part, 3-6 and a guiding scraper, 4-1 parts of a fourth linear driving part, 4-2 parts of a top pressing block, 4-3 parts of a finished product discharging guide groove, 5-1 parts of a blocking plate, 5-2 parts of an avoiding hole, 5-3 parts of a third linear driving part, 5-4 parts of a second sliding seat, 5-5 parts of a clamping part, 5-6 parts of a tension spring, 6-1 parts of a nut discharging port, 7-1 parts of a pushing rod, 7-1-1, a supporting platform, 7-2, a first linear driving part, 7-3, a first sliding seat, 7-4, a second linear driving part, 7-1-2, a transition inclined plane, 7-1-3, a first ejector rod, 7-1-4, a mounting hole, 7-1-5, a sliding block, 7-1-6, a rotating sleeve, 7-1-7, a linear slideway, 7-1-8, 7-1-9 parts of spiral slideway, 7-1-10 parts of first elastic part, 7-1-11 parts of second ejector rod, 7-1-12 parts of second elastic part, 7-1-13 parts of nut clamping groove and magnetic part.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 inventive step, are intended to be within the scope of the present invention.
Example 1
As shown in FIGS. 1 to 9, the present embodiment proposes
Screw nut automatic assembly device, including frame 1 and the rotation drive assembly 2 of setting in frame 1, rotation drive assembly 2 has intercommunication passageway 2-1, and intercommunication passageway 2-1 has nut bayonet socket 2-2, still includes:
the screw feeding mechanism 3 is arranged on the rack 1;
the screw pushing assembly 4 is arranged on the rack 1, and a gap is formed between the screw pushing assembly 4 and the rotation driving assembly 2;
the screw pushing mechanism 5 is arranged on the rack 1, is communicated with the screw feeding mechanism 3 and is used for pushing a screw to a position concentric with the nut bayonet 2-2 along a gap, and the screw pushing assembly 4 is used for pushing the screw to move towards the nut bayonet 2-2 after the screw is in place;
the nut feeding mechanism 6 is arranged on the rack 1, and the nut feeding mechanism 6 is provided with a nut discharging hole 6-1;
the nut pushing mechanism 7 is arranged on the rack 1, the nut pushing mechanism 7 is provided with a pushing rod 7-1 which moves relative to the rack 1, the pushing rod 7-1 is provided with a supporting platform 7-1-1, the pushing rod 7-1 is used for opening or closing the nut discharging port 6-1 after moving, the supporting platform 7-1-1 is positioned below the nut discharging port 6-1 after the pushing rod 7-1 moves to open the nut discharging port 6-1, and the pushing rod 7-1 is used for driving the nut to move into the nut bayonet 2-2 along the communicating channel 2-1.
In the embodiment, in order to solve the problems that operators need to participate in the whole process when assembling the screw and the nut in the related technology, the labor intensity of the operators is high, the assembling efficiency is low, and the operators are easy to be damaged by accidents, the automatic assembling device for the screw and the nut is designed, the screw and the nut are alternately loaded by arranging the screw loading mechanism 3 capable of automatically loading and the nut loading mechanism 6 capable of automatically loading, and the assembly is carried out at the position of the rotary driving component 2, in order to avoid the manual participation in the process, the difficulty lies in how to enable the nut and the screw to be alternately discharged and centered, the screw and the nut need to be automatically aligned and screwed, the screw pushing component 4 is arranged to receive the screw conveyed from the screw loading mechanism 3, the screw is conveyed to the nut bayonet 2-2 to enable the screw on the screw to be aligned with the nut bayonet 2-2, then the nut pushing mechanism 7 can support the nut discharged from the nut discharge port 6-1 by the nut feeding mechanism 6 through the supporting platform 7-1-1 and convey the nut into the communicating channel 2-1 through the pushing rod 7-1, then the nut is pushed into the nut bayonet 2-2 to be aligned with the screw opposite to the nut bayonet 2-2, after the nut is aligned, the screw pushing assembly 4 pushes the screw into the nut bayonet 2-2 to be contacted with the nut, the nut is driven to rotate by the rotation driving assembly 2 through the nut bayonet 2-2, the nut is screwed onto the screw, and then the assembled nut is dismounted, so that manual participation can be reduced to finish the assembly of the screw and the nut.
Example 2
As shown in fig. 3 to 4, in addition to the above embodiment 1, in order to allow nuts to be fed at intervals and avoid interference with the nuts on the supporting platform 7-1-1, in this embodiment, the nut pushing mechanism 7 includes:
the first linear driving part 7-2, the first linear driving part 7-2 is arranged on the frame 1;
the first sliding seat 7-3 is arranged on the rack 1 in a sliding manner, and the first linear driving part 7-2 drives the first sliding seat 7-3 to approach or depart from the rotary driving component 2;
the second linear driving part 7-4, the second linear driving part 7-4 is arranged on the first sliding seat 7-3, the pushing rod 7-1 is arranged on the second linear driving part 7-4, and the top end of the pushing rod 7-1 is provided with a transition inclined surface 7-1-2 which is arranged obliquely.
In the embodiment, the key point is that the supporting platform 7-1-1 is positioned at the end part of the pushing rod 7-1, so that a supporting space is formed at the end part of the pushing rod 7-1, the pushing rod 7-1 is positioned below the nut discharge port 6-1, the supporting space formed by the supporting platform 7-1-1 is communicated with the nut discharge port 6-1, at this time, the nut positioned at the discharge port falls on the supporting platform 7-1-1, but other nuts are pressed above the nut falling on the supporting platform 7-1-1, the pushing rod 7-1 is directly pushed to be easily clamped by other nuts, so that the nut is blocked, a transition inclined plane 7-1-2 is arranged at the top part of the pushing rod 7-1, when the pushing rod 7-1 moves to close the nut discharge port 6-1, the bottom end of the transition inclined plane 7-1-2 extends into the nut to be assembled and the nut above nut to be assembled, and then the nut is pushed into the nut discharge port 6-1 through the transition inclined plane 7-1-2, and the function of intermittent feeding can be realized.
Example 3
As shown in fig. 2 to 4 and 7, the push rod 7-1 can smoothly enter and exit after entering the communicating channel 2-1, but since the nut bayonet 2-2 is configured to fit the shape of the nut, the nut needs to be clamped, so that when the nut is sent by the push rod 7-1, the nut cannot be directly sent into the nut bayonet 2-2 because the nut is placed at an angle different from the angle at which the nut bayonet 2-2 is set, the nut bayonet 2-2 is aligned with the nut by continuously rotating the rotation driving component 2, but in the process, the rotation driving component 2 needs to be controlled to rotate slowly, that is, the rotation driving component 2 needs to have multiple gears, for example, a slow gear for fitting the nut into the nut bayonet 2-2, a high-speed gear for fitting the nut and the nut, how to reduce the wear of the rotation driving component 2 needs to be solved by continuous experiments, and the production efficiency needs to be ensured, the nut can be adapted to the angle of the bayonet 2-2 by rotating the nut, so that the nut can stably enter the bayonet 2-2, the embodiment of the present invention includes:
the first ejector rod 7-1-3 is arranged at the driving end of the second linear driving part 7-4, and is provided with a plurality of mounting holes 7-1-4;
the sliding blocks 7-1-5 are arranged in the mounting holes 7-1-4 in an adjustable mode, and the positions of the sliding blocks 7-1-5 are adjustable;
the rotary sleeve 7-1-6 is sleeved on the first ejector rod 7-1-3, the rotary sleeve 7-1-6 is internally provided with a linear slideway 7-1-7 and a spiral slideway 7-1-8 which are communicated, the sliding block 7-1-5 is arranged in the linear slideway 7-1-7 and the spiral slideway 7-1-8 in a sliding manner, and the supporting platform 7-1-1 is positioned at one end of the rotary sleeve 7-1-6 close to the nut bayonet 2-2;
the first elastic piece 7-1-9 is used for providing a force for the rotating sleeve 7-1-6 to get away from the first ejector rod 7-1-3, and the rotating sleeve 7-1-6 is connected with the first ejector rod 7-1-3 through the first elastic piece 7-1-9;
the second ejector rod 7-1-10, the second ejector rod 7-1-10 is arranged in the rotating sleeve 7-1-6 in a sliding manner;
and the second elastic part 7-1-11, the second ejector rod 7-1-10 is connected with the end part of the first ejector rod 7-1-3 by virtue of the second elastic part 7-1-11, and the second elastic part 7-1-11 is used for providing the force for abutting the second ejector rod 7-1-10 against the nut.
In the embodiment, the key point is that the slide block 7-1-5 is positioned, the thickness of the nut is different due to different types of nuts, the rotating sleeve 7-1-6 is required to rotate only when the nut contacts the nut bayonet 2-2, so a plurality of mounting holes 7-1-4 are arranged for adapting to nuts of different specifications, and in order to enable the nut to always have the force of extending into the nut bayonet 2-2, a second spring is arranged, but because the second spring is made of a flexible material, the connection between the first ejector rod 7-1-3 and the second ejector rod 7-1-10 only through the second spring easily causes the second ejector rod 7-1-10 to bend, so that part of the second ejector rod 7-1-10 is required to be positioned in the rotating sleeve 7-1-6 all the time to provide corresponding supporting force and guiding action, so that the second ejector rod 7-1-10 can stably push the nut,
furthermore, in order to enable the rotating sleeve 7-1-6 to move along with the first ejector rod 7-1-3 and reset after pushing is completed, a first elastic piece 7-1-9 is arranged, one end of the first elastic piece 7-1-9 is connected to the rotating sleeve 7-1-6, and the other end of the first elastic piece 7-1-9 is connected to the first ejector rod 7-1-3; however, the rotating sleeve 7-1-6 rotates relative to the first ejector rod 7-1-3 in the pushing process, the first elastic part 7-1-9 deforms in the process, irreversible deformation occurs after long-term use, and the rotating resistance of the rotating sleeve 7-1-6 is increased in the deformation process, so that the second elastic part 7-1-11 can be connected with the first ejector rod 7-1-3 through a rotating part, for example, an annular clamping groove is formed in the first ejector rod 7-1-3, a bearing or the rotating part is arranged in the annular clamping groove, the rotating part can rotate relative to the first ejector rod 7-1-3, and the first elastic part 7-1-9 can rotate along with the rotating sleeve 7-1-6 in the mode, so that the stability is further improved.
Further, in order to ensure the stability of the nut on the bearing platform 7-1-1 and avoid the nut from separating from the bearing platform 7-1-1 when the rotating sleeve 7-1-6 rotates, the bearing platform 7-1-1 is provided with a nut clamping groove 7-1-12, and the push rod 7-1 further comprises:
the magnetic suction piece 7-1-13 is arranged in the nut clamping groove 7-1-12, and the magnetic suction piece 7-1-13 is arranged in the nut clamping groove 7-1-12.
The key point is that the magnetic parts 7-1-13 are required to be arranged on two sides of the nut slot 7-1-12, and the magnetic parts 7-1-13 can be arranged on multiple surfaces to prevent the nut and the nut slot 7-1-12 from rotating relatively.
Example 4
As shown in fig. 1, 2, 5, 7 and 8, since the weight of a single screw is heavier than that of a single nut, an operator needs to discharge materials into the hopper when feeding, so that the situation that the screw hopper 3-1 needs to be arranged at a relatively lower position to facilitate feeding when the heavier screws are discharged is avoided, and a sufficient distance is left to enable the screws to be conveyed one by one is avoided, and on the basis of embodiment 1, the embodiment proposes
Further, the screw feeding mechanism 3 includes:
the screw hopper 3-1 is arranged on the rack 1, and the screw hopper 3-1 is provided with a first screw discharge port 3-2;
the intermittent lifting component 3-3, the intermittent lifting component 3-3 is arranged on the frame 1;
the screw sliding rail 3-4 is provided with a screw feeding hole 3-5 in the top, the screw sliding rail 3-4 is provided with a second screw discharging hole 3-4-1 in the bottom, the screw pushing mechanism 5 is used for being communicated with the second screw discharging hole 3-4-1, the screw sliding rail 3-4 is further provided with a screw sliding rail 3-4-2 with adjustable width, the screw sliding rail 3-4-2 is used for conveying screws individually, and the intermittent lifting assembly 3-3 is used for conveying the screws into the screw feeding hole 3-5.
In this embodiment, the key point is that the intermittent lifting component 3-3 needs to lift a screw from a low position to a high position, and needs to send the screw into the screw sliding rail 3-4, the screw sliding rail 3-4 can adjust the size of the screw sliding rail 3-4-2 according to the size of the screw, when the screw enters the screw sliding rail 3-4-2, due to the intermittent conveying of the intermittent lifting component 3-3, the screw is prevented from being blocked and stuck at the screw feeding hole 3-5, and due to the self gravity of the screw, the large-diameter end of the screw can be located on the upper table surface of the screw sliding rail 3-4-2, the small-diameter end of the screw falls into the screw sliding rail 3-4-2 under the action of gravity, and in order to enable the screw to be stably conveyed, the screw sliding rail 3-4 needs to be provided with a certain inclination, and the screw can smoothly slide to the second screw discharging hole 3-4-1 by means of gravity.
Further, in order to enable the screw intermittent elevating assembly 3-3 to have a stable conveying function, it is proposed that the intermittent elevating assembly 3-3 includes:
the driving motor 3-3-1, the driving motor 3-3-1 is arranged on the frame 1;
the rotating shafts 3-3-2 are arranged in the rack 1 in a rotating mode, the number of the rotating shafts 3-3-2 is multiple, the rotating shafts 3-3-1 are arranged on the rack 1 in a rotating mode, and the driving motor 3-3-1 drives one rotating shaft 3-3-2 to rotate;
the conveying belt 3-3-3, the conveying belt 3-3-3 is wound on a plurality of rotating shafts 3-3-2, the rotating shafts 3-3-2 drive the conveying belt 3-3-3 to convey, a plurality of magnetic parts 3-3-4 arranged at intervals are arranged on the conveying end face of the conveying belt 3-3-3, and the first screw discharge port 3-2 is abutted against the conveying end face of the conveying belt 3-3-3;
screw feed mechanism 3 still includes:
the guide scrapers 3-6 are obliquely arranged on the screw slide rails 3-4, the end parts of the guide surfaces of the guide scrapers 3-6 are communicated with the screw feed ports 3-5, and the other ends of the guide scrapers 3-6 are abutted against the conveying end surfaces of the conveying belts 3-3-3.
In the embodiment, the key point is that the first screw discharge port 3-2 needs to be abutted against the conveying end face of the conveying belt 3-3-3, so that the screw is prevented from falling off from the first screw discharge port 3-2, and the screw may fall off due to vibration generated during machine body machining in the lifting process, for this reason, the conveying belt 3-3-3 needs to be vertically arranged, so that the first screw discharge port 3-2 is always aligned with the conveying end face on the lifting side of the conveying belt 3-3-3, when the screw falls off, the screw can be supported, and in order to enable the screw to enter the screw feed port 3-5, the guide scraper 3-6 is arranged, so that the screw is separated from the adsorption of the magnetic part 3-3-4 and then enters the screw feed port 3-5.
Example 5
As shown in fig. 1 to 3 and 5 to 9, in order to transport a single screw to the nut bayonet 2-2 and ensure that the screw and the nut can be separated from the screw pushing mechanism 5 after being assembled, the present embodiment further proposes that, on the basis of embodiment 4, the screw pushing mechanism is further provided
Further, the screw pushing mechanism 5 includes:
the screw sliding rail is characterized by comprising a blocking plate 5-1, wherein the blocking plate 5-1 is arranged on a screw sliding rail 3-4 and is provided with an avoidance hole 5-2, and the avoidance hole 5-2 is used for avoiding the end part of a screw;
the third linear driving piece 5-3, the third linear driving piece 5-3 is arranged on the machine frame 1;
the second sliding seat 5-4 is arranged on the rack 1 in a sliding mode, and the third linear driving part 5-3 drives the second sliding seat 5-4 to slide;
and a clamping piece 5-5, wherein one end of the clamping piece 5-5 abuts against the second sliding seat 5-4, the other end of the clamping piece 5-5 forms a screw clamping space with the end part of the second sliding seat 5-4, the clamping piece 5-5 is connected with the second sliding seat 5-4 by virtue of a tension spring 5-6, and the tension spring 5-6 provides force for abutting the clamping piece 5-5 against the second sliding seat 5-4.
In the embodiment, the key point is that the sliding of the second sliding seat 5-4 can open or close the second screw discharge hole 3-4-1, when the screw clamping space is communicated with the second screw discharge hole 3-4-1, a screw enters the screw clamping space, then the third linear driving piece 5-3 drives the second sliding seat 5-4 to slide, the large-diameter end of the screw is moved out from the second screw discharge hole 3-4-1 through the avoidance hole 5-2, and other screws can be blocked by the second sliding seat 5-4;
further, after assembly is completed, the screw and the nut can be pushed away from the nut bayonet 2-2 through the push rod 7-1, the nut pushing assembly can also have an adsorption function to suck the screw and the nut out of the nut bayonet 2-2, in order to enable the assembled screw and nut to be separated from the screw clamping space, the position of the avoidance hole 5-2 and the position of the screw and the nut separated from the nut bayonet 2-2 can have a certain distance, in the resetting process of the second sliding seat 5-4, the screw and the nut can be abutted against the blocking plate 5-1 due to dislocation of the large-diameter end of the screw and the avoidance hole 5-2, and the nut can also be abutted against the blocking plate 5-1, at the moment, the screw and the nut push away the clamping piece 5-5 under the resistance of the blocking plate 5-1, the second sliding seat 5-4 is continuously reset, and the screw and the nut are separated from the screw clamping space;
furthermore, in order to open the screw clamping space and enable the screw to stably enter the screw clamping space, the upper end part of the clamping piece 5-5 is higher than the upper end surface of the second sliding seat 5-4, in the process of resetting the second sliding seat 5-4, the clamping piece 5-5 can further open the screw clamping space under the action of the barrier plate 5-1, and after the second sliding seat 5-4 slides out, the screw is clamped through the tension spring 5-6.
Example 6
As shown in fig. 1 to 2 and 5 to 7, in addition to embodiment 5, the present embodiment proposes to move the screw in the direction of the nut bayonet 2-2
Further, the screw pushing assembly 4 includes:
the fourth linear driving piece 4-1 is arranged on the rack 1, and the fourth linear driving piece 4-1 is arranged on the rack 1;
the jacking block 4-2 is arranged on the rack 1 in a sliding mode, the fourth linear driving piece 4-1 drives the jacking block 4-2 to slide, and the jacking block 4-2 is used for pushing the screw to be close to the nut bayonet 2-2;
and the finished product discharging guide groove 4-3 is arranged on the rack 1 and is positioned below the screw pushing mechanism 5.
In this embodiment, the finished product discharging guide groove 4-3 needs to be located below the screw pushing mechanism 5, and can send out the assembled screw and nut.
Example 7
As shown in fig. 1 to 9, the present embodiment also proposes, in addition to embodiment 1, the following
Furthermore, the number of the screw feeding mechanisms 3, the number of the screw pushing mechanisms 5, the number of the nut pushing mechanisms 7 and the number of the rotation driving components 2 are two, the two screw feeding mechanisms are symmetrically arranged on the rack 1, and the number of the nut discharging holes 6-1 is two and correspondingly arranged at the nut pushing mechanisms 7.
In this embodiment, because the nut is little with small relative screw's weight, the nut of equal weight and screw are difficult to the matched stack one by one, can adopt the mode of a set of nut cooperation two sets of screws to assemble, conveniently promote production scale and improve quantity statistical efficiency.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Screw nut automatic assembly device, including frame (1) and setting up rotation drive assembly (2) on frame (1), characterized by, rotation drive assembly (2) have intercommunication passageway (2-1), intercommunication passageway (2-1) have nut bayonet socket (2-2), still include:
the screw feeding mechanism (3) is arranged on the rack (1);
the screw pushing assembly (4) is arranged on the rack (1), and a gap is formed between the screw pushing assembly (4) and the rotation driving assembly (2);
the screw pushing mechanism (5) is arranged on the rack (1), is communicated with the screw feeding mechanism (3) and is used for pushing a screw to a position concentric with the nut bayonet (2-2) along the gap, and the screw pushing assembly (4) is used for pushing the screw to move towards the nut bayonet (2-2) after the screw is in place;
the nut feeding mechanism (6) is arranged on the rack (1), and the nut feeding mechanism (6) is provided with a nut discharging hole (6-1);
the nut pushing mechanism (7) is arranged on the rack (1), the nut pushing mechanism (7) is provided with a pushing rod (7-1) which moves relative to the rack (1), the pushing rod (7-1) is provided with a supporting platform (7-1-1), the pushing rod (7-1) is used for opening or closing the nut discharging port (6-1) after moving, the supporting platform (7-1-1) is located below the nut discharging port (6-1) after the pushing rod (7-1) moves to open the nut discharging port (6-1), and the pushing rod (7-1) is used for driving the nut to move into the nut bayonet (2-2) along the communicating channel (2-1);
the nut pushing mechanism (7) comprises:
a first linear drive (7-2), the first linear drive (7-2) being arranged on the machine frame (1);
the first sliding seat (7-3), the first sliding seat (7-3) is arranged on the machine frame (1) in a sliding manner, and the first linear driving piece (7-2) drives the first sliding seat (7-3) to be close to or far away from the rotary driving component (2);
the second linear driving part (7-4), the second linear driving part (7-4) is arranged on the first sliding seat (7-3), the push rod (7-1) is arranged on the second linear driving part (7-4), and the top end of the push rod (7-1) is provided with a transition inclined surface (7-1-2) which is arranged obliquely;
the push rod (7-1) comprises:
the first ejector rod (7-1-3), the first ejector rod (7-1-3) is arranged on the driving end of the second linear driving piece (7-4) and is provided with a plurality of mounting holes (7-1-4);
the sliding block (7-1-5) is arranged in the mounting hole (7-1-4) in a position-adjustable manner, and the sliding block (7-1-5) is arranged in the mounting hole;
the rotating sleeve (7-1-6) is sleeved on the first ejector rod (7-1-3), a linear slideway (7-1-7) and a spiral slideway (7-1-8) which are communicated are arranged in the rotating sleeve (7-1-6), the sliding block (7-1-5) is arranged in the linear slideway (7-1-7) and the spiral slideway (7-1-8) in a sliding manner, and the bearing platform (7-1-1) is positioned at one end, close to the nut bayonet (2-2), of the rotating sleeve (7-1-6);
the first elastic piece (7-1-9), the rotating sleeve (7-1-6) is connected with the first ejector rod (7-1-3) through the first elastic piece (7-1-9), and the first elastic piece (7-1-9) is used for providing the force of the rotating sleeve (7-1-6) away from the first ejector rod (7-1-3);
the second ejector rod (7-1-10), the said second ejector rod (7-1-10) is slipped and set up in the said rotating sleeve (7-1-6);
and the second elastic part (7-1-11), the second ejector rod (7-1-10) is connected with the end part of the first ejector rod (7-1-3) by means of the second elastic part (7-1-11), and the second elastic part (7-1-11) is used for providing the force for abutting the second ejector rod (7-1-10) against the nut.
2. The automatic screw and nut assembling device according to claim 1, wherein the supporting platform (7-1-1) is provided with a nut clamping groove (7-1-12), and the push rod (7-1) further comprises:
the magnetic suction piece (7-1-13) is arranged in the nut clamping groove (7-1-12).
3. The automatic screw and nut assembling device according to claim 1, wherein said screw feeding mechanism (3) comprises:
the screw hopper (3-1), the screw hopper (3-1) is arranged on the rack (1), and the screw hopper (3-1) is provided with a first screw discharge hole (3-2);
the intermittent lifting assembly (3-3), the intermittent lifting assembly (3-3) is arranged on the frame (1);
screw slide rail (3-4), screw slide rail (3-4) top has screw feed inlet (3-5), screw slide rail (3-4) bottom has second screw discharge gate (3-4-1), screw push mechanism (5) be used for with second screw discharge gate (3-4-1) intercommunication, screw slide rail (3-4) still have width adjustable screw slide (3-4-2), screw slide (3-4-2) are used for single transport the screw, intermittent type lift subassembly (3-3) are used for with the screw transport to in the screw feed inlet (3-5).
4. Automatic screw and nut assembly device according to claim 3, characterized in that said intermittent lifting assembly (3-3) comprises:
the driving motor (3-3-1), the driving motor (3-3-1) is arranged on the rack (1);
the rotating shafts (3-3-2) are provided with a plurality of rotating shafts (3-3-2) which are all rotatably arranged on the rack (1), and the driving motor (3-3-1) drives one rotating shaft (3-3-2) to rotate;
the conveying belt (3-3-3) is wound on the plurality of rotating shafts (3-3-2), the rotating shafts (3-3-2) drive the conveying belt (3-3-3) to convey, a plurality of magnetic parts (3-3-4) arranged at intervals are arranged on the conveying end face of the conveying belt (3-3-3), and the first screw discharge port (3-2) abuts against the conveying end face of the conveying belt (3-3-3);
the screw feeding mechanism (3) further comprises:
the guide scrapers (3-6) are obliquely arranged on the screw sliding rails (3-4), the end parts of the guide surfaces of the guide scrapers (3-6) are communicated with the screw feeding holes (3-5), and the other ends of the guide scrapers abut against the conveying end surface of the conveying belt (3-3-3).
5. Automatic screw and nut assembly device according to claim 3, characterized in that said screw pushing mechanism (5) comprises:
the blocking plate (5-1) is arranged on the screw sliding rail (3-4) and is provided with an avoidance hole (5-2), and the avoidance hole (5-2) is used for avoiding the end part of the screw;
a third linear drive (5-3), the third linear drive (5-3) being arranged on the frame (1);
the second sliding seat (5-4), the second sliding seat (5-4) is arranged on the machine frame (1) in a sliding mode, and the third linear driving piece (5-3) drives the second sliding seat (5-4) to slide;
the clamping piece (5-5), one end butt of clamping piece (5-5) is in on second slide (5-4), the other end with the tip of second slide (5-4) forms the screw and presss from both sides tight space, clamping piece (5-5) with the help of extension spring (5-6) with second slide (5-4) are connected, extension spring (5-6) provide clamping piece (5-5) butt the power of second slide (5-4).
6. The automatic screw-nut assembly device according to claim 1, characterized in that said screw pushing assembly (4) comprises:
a fourth linear driving member (4-1), wherein the fourth linear driving member (4-1) is arranged on the rack (1);
the ejection pressing block (4-2) is arranged on the rack (1) in a sliding mode, the fourth linear driving piece (4-1) drives the ejection pressing block (4-2) to slide, and the ejection pressing block (4-2) is used for pushing the screw to be close to the nut bayonet (2-2);
and the finished product discharging guide groove (4-3), the finished product discharging guide groove (4-3) is arranged on the rack (1) and is positioned below the screw pushing mechanism (5).
7. The automatic screw and nut assembling device according to claim 1, wherein the number of the screw feeding mechanism (3), the screw pushing mechanism (5), the nut pushing mechanism (7) and the rotary driving assembly (2) is two, and the two screw feeding mechanisms, the two screw pushing mechanisms and the two nut discharging ports (6-1) are symmetrically arranged on the machine frame (1) and correspondingly arranged at the nut pushing mechanism (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211600486.3A CN115592386B (en) | 2022-12-14 | 2022-12-14 | Automatic assembling device for screw and nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211600486.3A CN115592386B (en) | 2022-12-14 | 2022-12-14 | Automatic assembling device for screw and nut |
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| Publication Number | Publication Date |
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| CN115592386A CN115592386A (en) | 2023-01-13 |
| CN115592386B true CN115592386B (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211600486.3A Active CN115592386B (en) | 2022-12-14 | 2022-12-14 | Automatic assembling device for screw and nut |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203665056U (en) * | 2013-09-03 | 2014-06-25 | 舟山市7412工厂 | Automatic screwing machine for screw and nut |
| CN103692202B (en) * | 2013-12-27 | 2016-05-04 | 苏州博众精工科技有限公司 | A kind of nut screw automatic assembling mechanism |
| KR101568293B1 (en) * | 2014-04-22 | 2015-11-11 | 동성이엔지 주식회사 | The automatical assembly apparatus |
| CN106392539B (en) * | 2016-11-09 | 2018-07-27 | 和县科嘉阀门铸造有限公司 | The plug feed mechanism of solenoid valve core assembly assembly machine |
| CN206883159U (en) * | 2017-05-10 | 2018-01-16 | 重庆福伦德实业有限公司 | Screw-nut assembly machine |
| CN206839556U (en) * | 2017-05-12 | 2018-01-05 | 中国永年标准件研究院 | Automatic assembling |
| CN210594043U (en) * | 2019-08-05 | 2020-05-22 | 湖北海佳机械有限公司 | Leak protection type bucket elevator |
| CN210849107U (en) * | 2019-08-13 | 2020-06-26 | 浙江迪特高强度螺栓有限公司 | Bolt and nut assembling device |
| CN110550438B (en) * | 2019-09-20 | 2020-05-15 | 赵章龙 | Automatic assembly system for plastic nuts |
| CN213444699U (en) * | 2020-05-20 | 2021-06-15 | 上海恒精感应科技股份有限公司 | Large-scale screw material loading and sequencing mechanism |
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