CN216882636U - Quick-mounting rod nut locking machine for furniture - Google Patents
Quick-mounting rod nut locking machine for furniture Download PDFInfo
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- CN216882636U CN216882636U CN202220543897.2U CN202220543897U CN216882636U CN 216882636 U CN216882636 U CN 216882636U CN 202220543897 U CN202220543897 U CN 202220543897U CN 216882636 U CN216882636 U CN 216882636U
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- 239000002699 waste material Substances 0.000 claims description 22
- 230000002950 deficient Effects 0.000 claims description 7
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- 210000001503 joint Anatomy 0.000 description 2
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Abstract
The utility model provides a quick-mounting rod nut locking machine for furniture, which comprises a main body rack, a rotating disc assembly, a driving control mechanism, a nut feeding mechanism and a screw feeding mechanism, wherein the main body rack is provided with a rotary disc assembly; the rotating wheel disc assembly is rotatably arranged on the main body frame; a plurality of telescopic floating screwdrivers are arranged on the rotating wheel disk assembly and are rotationally connected with the rotating wheel disk assembly; the telescopic floating screwdriver comprises a connecting rod, a shaft sleeve, a cross screwdriver and a spring; an upper die plate is arranged at the top of the rotating wheel disc assembly, and an inclined surface pressing plate is arranged at the bottom end of the upper die plate and used for pushing the telescopic floating screwdriver to move downwards; and a rotary driving mechanism is arranged outside the rotary wheel disc assembly and is used for driving the telescopic floating screwdriver to rotate. The quick-assembly rod nut locking machine can quickly assemble the screw and the nut, effectively improve the assembly performance, improve the assembly yield and reduce the equipment cost.
Description
Technical Field
The utility model belongs to the technical field of full-automatic assembling equipment for screws and nuts for quickly assembling furniture, and particularly relates to a quick-assembly rod nut locking machine for furniture.
Background
The existing furniture field assembly needs to use a quick-assembly rod which mainly comprises a screw rod and a nut, and the demand of the quick-assembly rod is huge. When the quick-assembly rod is produced and processed, the assembly of the screw rod and the nut needs to be involved, the traditional method is realized by manual assembly, and then automatic assembly is developed, wherein the publication No. CN215316868U proposes a nut combination machine for the quick-assembly rod of furniture, the combination machine adopts a roller type rotary assembly mode, a plurality of air cylinders are configured to push the screw rod and the nut to be butted downwards, and the screw rod and the nut are locked by rotating a screwdriver component by utilizing the friction of a synchronous belt, so that the automatic assembly is realized. However, the above-mentioned combined machine adopts the air cylinder to push the screw rod, because of the efficiency reason, a plurality of air cylinders need to be used at the same time for a piece of equipment, cause the cost to rise, waste resources; secondly, when the screw is locked by the combined machine, the screw driver component is rotated to lock the nut by means of friction of the synchronous belt, the number of rotating circles of the synchronous belt is not enough, the situation that a plurality of screws cannot rotate to the right position occurs, the defective product rate is increased, and the screw locking length is inconsistent due to instability of air pressure.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides the furniture quick-assembly rod nut locking machine which can reduce the equipment cost, improve the production efficiency and improve the yield.
The utility model is realized by the following technical scheme:
a quick-assembly rod nut locking machine for furniture comprises a main body frame, a rotating disc assembly, a driving control mechanism, a nut feeding mechanism and a screw feeding mechanism;
the rotary wheel disc assembly is rotatably arranged on the main body frame, the driving control mechanism comprises a wheel disc driving motor, the wheel disc driving motor is arranged on the main body frame and is used for driving the rotary wheel disc assembly to rotate, specifically, the wheel disc driving motor adopts a servo motor and can control torsion, and when the torsion value exceeds a preset value, the servo motor rotates, so that the product damage can be effectively prevented, and the waste is reduced;
the outer side wall of the rotating wheel disc assembly is provided with a plurality of nut stations and a plurality of screw stations which are distributed annularly, and the plurality of nut stations correspond to the plurality of screw stations one by one; the nut feeding mechanism is used for conveying the nuts to be assembled to the screw rod station, and the screw rod feeding mechanism is used for conveying the screws to be assembled to the screw rod station;
the rotary wheel disc assembly is provided with a plurality of telescopic floating screwdrivers which are rotatably connected with the rotary wheel disc assembly, the plurality of telescopic floating screwdrivers are distributed annularly and correspond to the plurality of screw stations one by one, and the telescopic floating screwdrivers are used for rotating screw locking nuts;
the telescopic floating screwdriver comprises a connecting rod, a shaft sleeve, a cross screwdriver and a spring; the top and the bottom of the connecting rod are rotatably connected with the rotating wheel disc assembly through shaft sleeves, the connecting rod is slidably connected with the shaft sleeves, and the connecting rod can axially move relative to the shaft sleeves; the top of the cross screwdriver extends into the bottom of the connecting rod and is in sliding connection with the connecting rod, specifically, the bottom end of the connecting rod is provided with an inserting hole extending along the axial direction, the side wall of the inserting hole is provided with a limiting key groove, the side wall of the connecting rod is provided with a limiting column, the cross screwdriver can move along the limiting key groove in the axial direction through the matching between the limiting column and the limiting key groove and can rotate along with the connecting rod, the spring is installed inside the connecting rod, the two ends of the spring respectively abut against the top end of the cross screwdriver and the inside of the connecting rod, and the floating butt joint screw of the cross screwdriver can be realized under the action of the spring;
an upper die disc is arranged at the top of the rotating wheel disc assembly and fixedly arranged on the main body frame, and an inclined surface pressing plate is arranged at the bottom end of the upper die disc and used for pushing the telescopic floating screwdriver to move downwards; specifically, the position of the inclined plane pressing plate is fixed, when the rotating wheel disc assembly rotates, a plurality of telescopic floating screwdrivers on the rotating wheel disc assembly sequentially pass below the inclined plane pressing plate, and when the top ends of the telescopic floating screwdrivers are in contact with the inclined plane pressing plate, the inclined plane pressing plate can push the telescopic floating screwdrivers to move downwards along the axial direction, so that the telescopic floating screwdrivers are in contact with the screws for tool setting;
a rotary driving mechanism is arranged outside the rotary wheel disc assembly and is used for driving the telescopic floating screwdriver to rotate, so that the cross screwdriver drives the screw to rotate the lock nut; specifically, when the telescopic floating screwdriver rotates to be in contact with the inclined plane pressing plate, the inclined plane pressing plate gradually pushes the telescopic floating screwdriver to move downwards, the tool bit of the cross screwdriver is in contact with the screw, when the tool bit of the cross screwdriver is not aligned and clamped with the cross groove in the screw, under the elastic action of the spring and the rotation of the cross screwdriver, automatic adjustment can be timely performed, the tool bit of the cross screwdriver is aligned and clamped with the cross groove in the screw, the cross screwdriver is enabled to rotate to drive the screw to rotate, and after the top end of the connecting rod is separated from the contact with the inclined plane pressing plate, the connecting rod moves upwards and returns under the action of the spring.
Further defined, the rotating wheel disc assembly is obliquely arranged at the top of the main frame; the nut feeding mechanism comprises a nut vibrating disc and a nut runner; the screw feeding mechanism comprises a screw vibrating disc and a screw runner; the nut runner and the screw runner are obliquely arranged on the main body frame, the high end of the nut runner is connected with a nut station at a high position on the rotating disc assembly, and the low end of the nut runner is connected with a screw station at a high position on the rotating disc assembly; when a nut enters a nut runner from a discharge port of a nut vibrating disc, the nut slides down in the nut runner until the nut falls into a nut station which is positioned at a high position on a rotating disc assembly, the rotating disc assembly rotates, the nut station provided with the nut rotates until a screw station is connected with the screw runner, a screw enters the screw runner from the discharge port of the screw vibrating disc, the screw slides down in the screw runner until the nut falls into the screw station which is positioned at the high position on the rotating disc assembly, the nut station corresponding to the lower part of the screw station is filled with a nut before rotating, and the nut and the screw are sequentially filled in subsequent nut stations and screw stations, so that automatic feeding is realized; it should be noted that, the nut vibration plate and the screw vibration plate are both prior art devices or known technologies, and detailed structures and principles thereof are not described herein again.
Further limiting, a waste collecting chute and a good product collecting chute are arranged on the main body rack; the waste product collecting chute and the good product collecting chute are positioned at the low end of the rotating disc assembly, the waste product collecting chute is positioned between the good product collecting chute and the screw runner, if the telescopic floating screwdriver is not in contact with the screw for tool setting in the assembling process, the screw in the screw station lacks the pressing force of the telescopic floating screwdriver, and when the screw station rotates along with the rotating disc assembly to the range of the waste product collecting chute, the nut and the screw fall into the waste product collecting chute under the action of self weight; receive telescopic unsteady screwdriver contact tool setting precession's screw rod then can pass through the scope of waste product collection spout smoothly to rotate to the yields and collect the spout within range, collect the spout top in the yields, the inclined plane clamp plate breaks away from with the connecting rod gradually, under the spring action, cross screwdriver breaks away from with the screw rod, and the yields collection spout falls into under the dead weight effect to assembled screw rod and nut.
Further inject, the installation is equipped with unloading spare in the main part frame, and the one end of unloading spare is located between the nut station and the screw rod station of swivel wheel disk assembly, and unloading spare is used for dialling the screw rod and the nut of assembling on the swivel wheel disk assembly and falls to the yields and collect the spout.
Further inject, the top of connecting rod is equipped with spherical contact, and spherical contact can contact with inclined plane clamp plate point, and when the rotatory in-process of swivel wheel assembly, telescopic unsteady screwdriver's connecting rod top and inclined plane clamp plate contact gradually, and inclined plane clamp plate promotes the connecting rod and moves down, and spherical contact can reduce the friction between inclined plane clamp plate and the connecting rod and hinder, avoids inclined plane clamp plate to influence telescopic unsteady screwdriver and rotates.
Further, the drive control mechanism further comprises an electric cabinet and a touch control screen; the electric cabinet is installed in one side of main part frame, and the touch is controlled the screen and is installed in the top of electric cabinet, and the electric cabinet configuration power, the touch is controlled the screen and is built-in PLC controller, can realize numerical control operation and the safe operation of complete machine, controls the preset torsion value that the screen can dispose servo motor through the touch.
Further defined, the body frame includes a cabinet and a cabinet ceiling; the top plate of the case is obliquely arranged at the top of the case, and the wheel disc driving motor is arranged on the top plate of the case and is positioned in the case; a U-shaped supporting seat is arranged on the top plate of the case, a spindle is connected to a rotating shaft of the wheel disc driving motor, and the spindle is rotatably connected with the top plate of the case and the U-shaped supporting seat through bearings; the rotating wheel disc assembly comprises a nut station disc, a screw station disc and a connecting rod fixing disc, the nut station disc, the screw station disc and the connecting rod fixing disc are all fixedly arranged on the main shaft, the main shaft can drive the main shaft to rotate, and specifically, two connecting rod fixing discs are arranged; the upper die plate is fixedly arranged on the U-shaped supporting seat.
The nut spacer is arranged at the bottom of the nut station disc, and the top end face of the nut spacer is knurled, so that the friction force of the nut is increased, the nut is prevented from rotating when the screw and the nut are assembled, the nut locking processing effect is better, the nut can easily fall into the nut station by the structure, and material blocking is avoided; it should be noted that, in addition to providing the nut washer with knurled top end surface, a pin or a washer with a pin may be provided at the bottom of the nut station to prevent the nut from rotating when the screw is screwed in.
Further defined, the rotary drive mechanism includes a rotary drive motor, a timing belt, a master synchronizing wheel and a slave synchronizing wheel; specifically, the rotary driving motor is mounted on a U-shaped supporting seat, a plurality of synchronous belt mounting seats are mounted on a top plate of the chassis, a rotating shaft and an auxiliary synchronous wheel are arranged at the top of each synchronous belt mounting seat to tension a synchronous belt and ensure stable transmission of the synchronous belt, and the rotary driving motor can be a stepping motor, but is not limited thereto; a slave synchronizing wheel is arranged on each connecting rod, and a rotary driving motor drives the slave synchronizing wheel meshed with the synchronous belt to drive the connecting rods to rotate, so that the cross screwdriver is screwed in, and the screw rod is rotated to lock the nut; compared with the prior art, the cross screwdriver is driven by friction force, the rotary driving motor is used as power, enough rotation turns of the slave synchronizing wheel on the connecting rod can be ensured, power transmission is stable and reliable, quick locking connection between the screw rods and the nuts can be realized, the locking length between each screw rod and the nut can be consistent, and the yield is improved.
Further defined, the rotary drive mechanism includes a rotary drive motor, a chain, a master sprocket, and a slave sprocket; specifically, the rotary driving motor is mounted on a U-shaped supporting seat, a plurality of synchronous belt mounting seats are mounted on a top plate of the chassis, a rotating shaft and an auxiliary synchronous wheel are arranged at the top of each synchronous belt mounting seat to tension a synchronous belt and ensure stable transmission of the synchronous belt, and the rotary driving motor can be a stepping motor, but is not limited thereto; a driven chain wheel is arranged on each connecting rod, and a rotary driving motor drives the driven chain wheel meshed with the chain to drive the connecting rods to rotate, so that the cross screwdriver is screwed in, and the screw rod is rotated to lock the nut; compared with the prior art, the cross screwdriver is driven to rotate by friction force, the rotary driving motor is used as power, the number of rotating circles of the secondary chain wheel on the connecting rod can be ensured to be enough, the power transmission is stable and reliable, the quick locking connection between the screw rods and the nuts can be realized, the locking length between each screw rod and the nut can be consistent, and the yield is improved; it should be noted that the driving form of the rotary driving mechanism is not limited to the transmission form of the synchronous belt and the synchronous wheel, and the transmission form of the chain and the sprocket; here, the transmission method of the rotation driving mechanism is not limited to the timing belt and the timing wheel, and the chain and the sprocket.
According to the technical scheme, the quick-assembly rod nut locking machine for furniture has the advantages that: the quick-assembly rod nut locking machine adopts a limiting structure of an inclined plane pressing plate, and can ensure that the locking length of the screw rod of each station is consistent;
by adopting the locking screwdriver head structure of the telescopic floating screwdriver, the phenomenon of screw locking caused by the inclined plane pressing plate limiting structure can be eliminated, and the cross groove of the screw can be automatically positioned to ensure the assembling quality;
compared with the prior art, the cross screwdriver is driven to rotate by friction force, the rotary driving motor is used as power, the rotary driving motor, the synchronous belt and the synchronous wheel are used for driving the telescopic floating screwdriver to rotate, the number of rotation turns of the screw of each station can be ensured to be enough, power transmission is stable and reliable, quick locking connection between the screw and the nut can be realized, the locking length between each screw and the nut can be consistent, the assembly performance is effectively improved, and the assembly yield is improved;
the rotary wheel disc assembly rotates to control torsion by adopting the servo motor, and when the torsion value exceeds a preset value, the motor rotates, so that the product can be effectively prevented from being damaged, and the waste is reduced.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial structural schematic view of the rotary drive mechanism of the present invention.
FIG. 3 is a schematic view of a portion of a rotating disk assembly according to the present invention.
Fig. 4 is a schematic view of a portion of a structure shown in fig. 3.
Fig. 5 is a schematic view of a portion of the structure at B in fig. 4.
Fig. 6 is a schematic structural view of the telescopic floating screwdriver of the present invention.
In the drawings:
1-a main body frame, 11-a case, 12-a case top plate, 13-a U-shaped supporting seat and 14-a synchronous belt mounting seat;
2-rotating wheel disc assembly, 21-nut station, 22-screw station, 23-nut station disc, 24-screw station disc, 25-connecting rod fixing disc and 26-nut gasket;
3-a drive control mechanism, 31-a wheel disc drive motor, 32-an electric cabinet, 33-a touch control screen and 34-a main shaft;
4-a nut feeding mechanism, 41-a nut vibrating disk and 42-a nut runner;
5-screw feeding mechanism, 51-screw vibrating disk, 52-screw runner;
6-telescopic floating screwdriver, 61-connecting rod, 62-shaft sleeve, 63-cross screwdriver, 64-spring, 65-limit key groove, 66-limit column and 67-spherical contact;
71-upper die plate, 72-inclined plane press plate;
8-a rotary driving mechanism, 81-a rotary driving motor, 82-a synchronous belt, 83-a main synchronous wheel, 84-a slave synchronous wheel and 85-an auxiliary synchronous wheel;
91-a waste collecting chute, 92-a good product collecting chute and 93-a blanking part.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1 to 6, a furniture fast-assembling rod nut locking machine comprises a main frame 1, a rotating disc assembly 2, a driving control mechanism 3, a nut feeding mechanism 4 and a screw feeding mechanism 5;
the rotary wheel disc assembly 2 is rotatably arranged on the main body frame 1, the driving control mechanism 3 comprises a wheel disc driving motor 31, the wheel disc driving motor 31 is arranged on the main body frame 1 and is used for driving the rotary wheel disc assembly 2 to rotate, specifically, the wheel disc driving motor 31 adopts a servo motor, the torsion can be controlled, and when the torsion value exceeds a preset value, the servo motor rotates, so that the product damage can be effectively prevented, and the waste is reduced;
the outer side wall of the rotating wheel disc assembly 2 is provided with a plurality of nut stations 21 and a plurality of screw stations 22 which are distributed annularly, and the plurality of nut stations 21 correspond to the plurality of screw stations 22 one by one; the nut feeding mechanism 4 is used for conveying the nuts to be assembled to the screw station 22, and the screw feeding mechanism 5 is used for conveying the screws to be assembled to the screw station 22;
the rotary wheel disc assembly 2 is provided with a plurality of telescopic floating screwdrivers 6, the telescopic floating screwdrivers 6 are rotatably connected with the rotary wheel disc assembly 2, the plurality of telescopic floating screwdrivers 6 are annularly distributed and correspond to the plurality of screw stations 22 one by one, and the telescopic floating screwdrivers 6 are used for rotating screw locking nuts;
the telescopic floating screwdriver 6 comprises a connecting rod 61, a shaft sleeve 62, a cross screwdriver 63 and a spring 64; the top and the bottom of the connecting rod 61 are rotatably connected with the rotating disc assembly 2 through a shaft sleeve 62, the connecting rod 61 is slidably connected with the shaft sleeve 62, and the connecting rod 61 can move axially relative to the shaft sleeve 62; the top of the cross screwdriver 63 extends into the bottom of the connecting rod 61 and is in sliding connection with the connecting rod 61, specifically, the bottom end of the connecting rod 61 is provided with an insertion hole extending along the axial direction, the side wall of the insertion hole is provided with a limiting key groove 65, the side wall of the connecting rod 61 is provided with a limiting column 66, the cross screwdriver 63 can move along the limiting key groove 65 in the axial direction due to the matching between the limiting column 66 and the limiting key groove 65, the cross screwdriver 63 can rotate along with the connecting rod 61, the spring 64 is installed inside the connecting rod 61, the two ends of the spring 64 respectively abut against the top end of the cross screwdriver 63 and the inside of the connecting rod 61, and under the action of the spring 64, the floating butt joint screw of the cross screwdriver 63 can be realized;
an upper die disc 71 is arranged at the top of the rotating disc assembly 2, the upper die disc 71 is fixedly arranged on the main body frame 1, an inclined surface pressing plate 72 is arranged at the bottom end of the upper die disc 71, and the inclined surface pressing plate 72 is used for pushing the telescopic floating screwdriver 6 to move downwards; specifically, the position of the inclined plane pressing plate 72 is fixed, when the rotating disc assembly 2 rotates, the plurality of telescopic floating screwdrivers 6 on the rotating disc assembly sequentially pass below the inclined plane pressing plate 72, and when the top ends of the telescopic floating screwdrivers 6 are in contact with the inclined plane pressing plate 72, the inclined plane pressing plate 72 can push the telescopic floating screwdrivers 6 to move downwards along the axial direction, so that the telescopic floating screwdrivers 6 are in contact with screws for tool setting;
a rotary driving mechanism 8 is arranged outside the rotary wheel disc assembly 2, and the rotary driving mechanism 8 is used for driving a connecting rod 61 of the telescopic floating screwdriver 6 to rotate so that a cross screwdriver 63 drives a screw to rotate a lock nut; specifically, when the telescopic floating screwdriver 6 rotates to be in contact with the inclined plane pressing plate 72, the inclined plane pressing plate 72 gradually pushes the telescopic floating screwdriver 6 to move downwards, the tool bit of the cross screwdriver 63 is in contact with the screw, when the tool bit of the cross screwdriver 63 is not in alignment and engagement with the cross groove on the screw, under the elastic action of the spring 64 and the rotation of the cross screwdriver 63, automatic adjustment can be performed in time, the tool bit of the cross screwdriver 63 is in alignment and engagement with the cross groove on the screw, it is ensured that the cross screwdriver 63 rotates to drive the screw to rotate, and after the top end of the connecting rod 61 is separated from the contact with the inclined plane pressing plate 72, the connecting rod 61 moves upwards and returns under the action of the spring 64.
In the embodiment, the rotating disc assembly 2 is obliquely arranged at the top of the main frame 1; the nut feeding mechanism 4 comprises a nut vibrating disc 41 and a nut runner 42; the screw feeding mechanism 5 comprises a screw vibrating disc 51 and a screw runner 52; the nut runner 42 and the screw runner 52 are obliquely arranged on the main body frame 1, the high end of the nut runner 42 is connected with the discharge hole and the low end of the nut vibration disc 41 which are positioned at the high position on the rotating disc assembly 2, and the high end of the screw runner 52 is connected with the discharge hole and the low end of the screw vibration disc 51 which are positioned at the high position on the rotating disc assembly 2; when the nut enters the nut runner 42 from the discharge port of the nut vibrating disk 41, the nut slides down in the nut runner 42 until the nut falls into the nut station 21 which is positioned at a high position on the rotating disk assembly 2, the rotating disk assembly 2 rotates, the nut station 21 provided with the nut rotates until the screw station 22 is connected with the screw runner 52, the screw enters the screw runner 52 from the discharge port of the screw vibrating disk 51, the screw slides down in the screw runner 52 until the nut falls into the screw station 22 which is positioned at a high position on the rotating disk assembly 2, the nut station 21 corresponding to the lower part of the screw station 22 is filled with one nut before rotating, and the nut and the screw are sequentially filled in the subsequent nut station 21 and the subsequent screw station 22, so that automatic feeding is realized; it should be noted that the nut vibration plate 41 and the screw vibration plate 51 are both prior art devices or well-known technologies, and detailed structures and principles thereof are not described herein again.
In this embodiment, a waste collecting chute 91 and a good product collecting chute 92 are installed on the main body frame 1; the waste product collecting chute 91 and the good product collecting chute 92 are positioned at the low end of the rotating disc assembly 2, the waste product collecting chute 91 is positioned between the good product collecting chute 92 and the screw runner 52, if the telescopic floating screwdriver 6 is not in contact with the screw to set a tool in the assembling process, the screw in the screw station 22 lacks the pressing force of the telescopic floating screwdriver 6, and when the screw station 22 rotates along with the rotating disc assembly 2 to the range of the waste product collecting chute 91, the nut and the screw fall into the waste product collecting chute 91 under the action of self weight; receive telescopic unsteady screwdriver 6 contact screw rod that the tool setting precession was then can pass through the scope of waste product collection spout 91 smoothly to rotate to the non-defective products and collect spout 92 within range, collect spout 92 top in the non-defective products, inclined plane clamp plate 72 breaks away from with connecting rod 61 gradually, under the effect of spring 64, cross screwdriver 63 breaks away from with the screw rod, and assembled screw rod and nut fall into non-defective products under the dead weight effect and collect spout 92.
In this embodiment, the installation is equipped with unloading piece 93 on main part frame 1, and the one end of unloading piece 93 is located between nut station 21 and the screw rod station 22 of swivel wheel disk assembly 2, and unloading piece 93 is used for dialling the screw rod and the nut of assembling on the swivel wheel disk assembly 2 and falls to non-defective products collection spout 92.
In this embodiment, the top end of the connecting rod 61 is provided with the spherical contact 67, the spherical contact 67 can be in point contact with the inclined plane pressing plate 72, when the rotating disk assembly 2 rotates, the top end of the connecting rod 61 of the telescopic floating screwdriver 6 is gradually contacted with the inclined plane pressing plate 72, the inclined plane pressing plate 72 pushes the connecting rod 61 to move downwards, the spherical contact 67 can reduce friction between the inclined plane pressing plate 72 and the connecting rod 61, and the inclined plane pressing plate 72 is prevented from influencing the rotation of the telescopic floating screwdriver 6.
In this embodiment, the driving control mechanism 3 further includes an electric cabinet 32 and a touch control screen 33; the electric cabinet 32 is arranged on one side of the main body frame 1, the touch control screen 33 is arranged on the top end of the electric cabinet 32, the electric cabinet 32 is provided with a power supply, a PLC (programmable logic controller) is arranged in the touch control screen 33, numerical control operation and safe operation of the whole machine can be realized, and a preset torsion value of the servo motor can be configured through the touch control screen 33.
In this embodiment, the main body frame 1 includes a cabinet 11 and a cabinet top plate 12; the top plate 12 of the case is obliquely arranged at the top of the case 11, and the wheel disc driving motor 31 is arranged on the top plate 12 of the case and is positioned inside the case 11; a U-shaped supporting seat 13 is arranged on the top plate 12 of the case, a spindle 34 is connected to a rotating shaft of the wheel disc driving motor 31, and the spindle 34 is rotatably connected with the top plate 12 of the case and the U-shaped supporting seat 13 through bearings; the rotating wheel disc assembly 2 comprises a nut station disc 23, a screw station disc 24 and a connecting rod fixing disc 25, the nut station disc 23, the screw station disc 24 and the connecting rod fixing disc 25 are all fixedly arranged on a main shaft 34, the main shaft 34 can drive the main shaft to rotate, and specifically, two connecting rod fixing discs 25 are arranged; the upper die plate 71 is fixedly mounted on the U-shaped supporting base 13.
In the embodiment, the nut spacer 26 is arranged at the bottom of the nut station 21 of the nut station disc 23, and the top end surface of the nut spacer 26 is knurled, so that the friction force of the nut is increased, the nut is prevented from rotating when the screw and the nut are assembled, the nut locking processing effect is better, the nut can easily fall into the nut station 21 due to the structure, and material blocking is avoided; it should be noted here that instead of providing a nut washer 26 with a knurled top end face, a pin or washer with a pin may be provided at the bottom of the nut station 21 to avoid the nut from rotating when the screw is screwed in.
In this embodiment, the rotation driving mechanism 8 includes a rotation driving motor 81, a timing belt 82, a master timing wheel 83, and a slave timing wheel 84; specifically, a rotary driving motor 81 is mounted on a U-shaped supporting seat 13, a plurality of synchronous belt mounting seats 14 are mounted on a chassis top plate 12, a rotating shaft and an auxiliary synchronous wheel 85 are arranged at the top of each synchronous belt mounting seat 14 to tension a synchronous belt 82 and ensure stable transmission of the synchronous belt 82, and the rotary driving motor 81 is a stepping motor; a slave synchronizing wheel 84 is arranged on each connecting rod 61, and a rotary driving motor 81 drives the slave synchronizing wheel 84 meshed with the synchronous belt 82 to drive the connecting rods 61 to rotate, so that the cross screwdriver 63 is screwed in, and a screw rotary lock nut is realized; compared with the prior art, the cross screwdriver 63 is driven to rotate by friction force, the rotary driving motor 81 is used as power, the number of the rotating turns of the slave synchronizing wheel 84 on the connecting rod 61 can be ensured to be enough, power transmission is stable and reliable, quick locking connection between the screw rods and the nuts can be realized, the locking length between each screw rod and the nut can be consistent, and the yield is improved.
The working principle of the embodiment is as follows:
when the quick-assembling rod nut locking machine is used for assembling a screw and a nut, a nut vibrating disk 41 and a nut runner 42 are used for conveying the nut into a nut station 21 of a nut station disk 23 of a rotating wheel disk assembly 2, a screw vibrating disk 51 and a screw runner 52 are used for conveying the screw into a screw station 22 of a screw station disk 24 of the rotating wheel disk assembly 2, wherein the nut station 21 and the screw station 22 corresponding to the upper layer and the lower layer of the rotating wheel disk assembly 2 are firstly connected into the nut station 21 and filled with the nut, the rotating wheel disk assembly 2 rotates, the screw station 22 above the nut station 21 filled with the nut rotates to be connected with the screw runner 52 and filled with the screw, and the nut and the screw are both filled at the upper position of the rotating wheel disk assembly 2; when the rotating wheel disc assembly 2 rotates, the spherical contact 67 at the top end of the connecting rod 61 above the station filled with the nuts and the screws is gradually contacted with the inclined surface pressing plate 72, the cross screwdriver 63 moves downwards and approaches the screws under the action of the inclined surface pressing plate 72, the cross screwdriver 63 is contacted and aligned with the screws, the slave synchronizing wheel 84 on the connecting rod 61 is meshed with the synchronous belt 82, the synchronous belt 82 drives the slave synchronizing wheel 84 to rotate under the drive of the rotary driving motor 81, so that the cross screwdriver 63 is driven to rotate, and the screws are screwed into the lock nuts; the screw rods and the nuts are assembled in the rotating process of the rotating wheel disc assembly 2, the screws and the nuts which are not assembled successfully can fall into the waste product collecting chute 91, and the screws and the nuts which are assembled successfully can fall into the good product collecting chute 92;
the quick-assembly rod nut locking machine adopts a limiting structure of an inclined plane pressing plate 72, and can ensure that the screw locking length of each station is consistent; by adopting the locking screwdriver head structure of the telescopic floating screwdriver 6, the phenomenon of screw locking caused by the limit structure of the inclined plane pressing plate 72 can be eliminated on one hand, and the cross groove of the screw can be automatically positioned on the other hand, so that the assembling quality is ensured; compared with the prior art that the cross screwdriver 63 is driven to rotate by friction force, the rotary driving motor 81 is used as power, the rotary driving motor 81, the synchronous belt 82 and the synchronous wheel are used for driving the telescopic floating screwdriver 6 to rotate, the number of rotation circles of the screw of each station can be ensured to be enough, power transmission is stable and reliable, quick locking connection between the screw and the nut can be realized, the locking length between each screw and the nut can be consistent, the assembly performance is effectively improved, and the assembly yield is improved; the rotary wheel disc assembly 2 adopts a servo motor to control torsion in a rotating mode, when the torsion value exceeds a preset value, the motor rotates, product damage can be effectively prevented, and waste is reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit of the embodiments of the present invention, and the scope of the present invention should be construed as being covered by the claims and the specification.
Claims (10)
1. The utility model provides a furniture fast-assembling pole lock nut machine, includes main part frame, swivel disc subassembly, drive control mechanism, nut feeding mechanism and screw rod feeding mechanism, its characterized in that:
the rotary wheel disc assembly is rotatably arranged on the main body frame, the drive control mechanism comprises a wheel disc drive motor, and the wheel disc drive motor is arranged on the main body frame and is used for driving the rotary wheel disc assembly to rotate;
the outer side wall of the rotating wheel disc assembly is provided with a plurality of nut stations and a plurality of screw stations which are distributed annularly, and the plurality of nut stations correspond to the plurality of screw stations one by one; the nut feeding mechanism is used for conveying the nuts to be assembled to the screw rod station, and the screw rod feeding mechanism is used for conveying the screws to be assembled to the screw rod station;
the rotary wheel disc assembly is provided with a plurality of telescopic floating screwdrivers which are rotatably connected with the rotary wheel disc assembly, the telescopic floating screwdrivers are distributed annularly and correspond to the screw stations one by one, and the telescopic floating screwdrivers are used for rotating screw lock nuts;
the telescopic floating screwdriver comprises a connecting rod, a shaft sleeve, a cross screwdriver and a spring; the top and the bottom of the connecting rod are rotatably connected with the rotating wheel disc assembly through shaft sleeves, and the connecting rod is slidably connected with the shaft sleeves; the top of the cross screwdriver extends into the bottom of the connecting rod and is in sliding connection with the connecting rod; the spring is arranged in the connecting rod, and two ends of the spring are respectively abutted against the top end of the cross screwdriver and the inside of the connecting rod;
an upper die disc is arranged at the top of the rotating wheel disc assembly and fixedly arranged on the main body frame, and an inclined surface pressing plate is arranged at the bottom end of the upper die disc and used for pushing the telescopic floating screwdriver to move downwards;
and a rotary driving mechanism is arranged outside the rotary wheel disc assembly and is used for driving the telescopic floating screwdriver to rotate.
2. The furniture quick-assembling rod nut locking machine as claimed in claim 1, wherein: the rotating disc assembly is obliquely arranged at the top of the main body frame; the nut feeding mechanism comprises a nut vibrating disc and a nut runner; the screw feeding mechanism comprises a screw vibrating disc and a screw runner; nut runner and screw rod runner are all installed in the main part frame of slope, and the nut station that lies in the high-order on the high-end nut vibration dish of plugging into of nut runner, low side and the swivel disk subassembly is plugged into, and the screw rod station that lies in the high-order on the high-end discharge gate, the low side of the screw rod vibration dish of plugging into of screw rod runner and the swivel disk subassembly is plugged into.
3. The furniture quick-assembling rod nut locking machine as claimed in claim 2, wherein: a waste collecting chute and a good product collecting chute are arranged on the main body rack; the waste product collecting chute and the non-defective product collecting chute are located at the low end of the rotating wheel disc assembly, and the waste product collecting chute is located between the non-defective product collecting chute and the screw runner.
4. The furniture quick-assembling rod nut locking machine as claimed in claim 3, wherein: the installation is equipped with unloading spare in the main part frame, and the one end of unloading spare is located between the nut station and the screw rod station of swivel wheel disk assembly, and unloading spare is used for dialling the screw rod and the nut that assemble on the swivel wheel disk assembly and falls to the yields and collect the spout.
5. The furniture quick-assembling rod nut locking machine as claimed in claim 1, wherein: the top end of the connecting rod is provided with a spherical contact.
6. The furniture quick-assembling rod nut locking machine as claimed in claim 1, wherein: the drive control mechanism also comprises an electric cabinet and a touch control screen; the electric cabinet is installed in one side of main part frame, and the touch is controlled the screen and is installed in the top of electric cabinet.
7. The furniture quick-assembling rod nut locking machine as claimed in claim 1, wherein: the main body frame comprises a case and a case top plate; the top plate of the case is obliquely arranged at the top of the case, and the wheel disc driving motor is arranged on the top plate of the case and is positioned in the case; a U-shaped supporting seat is arranged on the top plate of the case, a spindle is connected to a rotating shaft of the wheel disc driving motor, and the spindle is rotatably connected with the top plate of the case and the U-shaped supporting seat through bearings; the rotating wheel disc assembly comprises a nut station disc, a screw station disc and a connecting rod fixing disc, and the nut station disc, the screw station disc and the connecting rod fixing disc are all fixedly arranged on the main shaft; the upper die plate is fixedly arranged on the U-shaped supporting seat.
8. The furniture quick-assembling rod nut locking machine as claimed in claim 7, wherein: the nut station bottom installation of nut station dish is equipped with the nut gasket, the top face annular knurl of nut gasket.
9. The furniture quick-assembling rod locking nut machine as claimed in any one of claims 1 to 8, characterized in that: the rotary driving mechanism comprises a rotary driving motor, a synchronous belt, a main synchronous wheel and a secondary synchronous wheel; every all install on the connecting rod and be equipped with from the synchronizing wheel, the rotation driving motor drive with hold-in range meshing from the synchronizing wheel in order to drive the connecting rod and rotate.
10. The furniture quick-assembly rod nut locking machine as claimed in any one of claims 1 to 8, wherein: the rotary driving mechanism comprises a rotary driving motor, a chain, a main chain wheel and a driven chain wheel; each connecting rod is provided with a driven chain wheel, and the rotary driving motor drives the driven chain wheel meshed with the chain to drive the connecting rod to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220543897.2U CN216882636U (en) | 2022-03-14 | 2022-03-14 | Quick-mounting rod nut locking machine for furniture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220543897.2U CN216882636U (en) | 2022-03-14 | 2022-03-14 | Quick-mounting rod nut locking machine for furniture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216882636U true CN216882636U (en) | 2022-07-05 |
Family
ID=82191677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220543897.2U Expired - Fee Related CN216882636U (en) | 2022-03-14 | 2022-03-14 | Quick-mounting rod nut locking machine for furniture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216882636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116100299A (en) * | 2023-04-17 | 2023-05-12 | 常州常华光电塑胶有限公司 | Cable drum assembly machine |
-
2022
- 2022-03-14 CN CN202220543897.2U patent/CN216882636U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116100299A (en) * | 2023-04-17 | 2023-05-12 | 常州常华光电塑胶有限公司 | Cable drum assembly machine |
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Granted publication date: 20220705 |