CN219521172U - Screw locking combined chuck - Google Patents

Abstract

The utility model discloses a screw locking combined chuck, which comprises: a fixing seat; the electric screwdriver is connected to the fixing seat and provided with a screwdriver head extending downwards, and the screwdriver head is connected with the magnet seat; the utility model discloses a material receiving assembly, which comprises a lifting driving piece, a clamping seat, a material receiving clamp, a main clamp and a pressing sleeve, wherein the lifting driving piece is connected to the fixing seat, the lifting driving piece is used for driving the connecting clamping seat, a channel extending along the up-down direction is arranged in the clamping seat, the pressing sleeve can slide up and down in the channel, a batch head passes through the pressing sleeve, the material receiving clamp and the main clamp are both positioned in the clamping seat, a material receiving opening capable of opening and closing is arranged in the material receiving clamp, a material receiving groove communicated with the material receiving opening is arranged at the front side of the material receiving clamp, and a limit opening capable of opening and closing is arranged in the main clamp.

Description

Screw locking combined chuck

Technical Field

The utility model relates to a screw screwing machine, in particular to a screw locking combined chuck.

Background

In an automatic screw locking machine, the arranged screws are required to be sent to a chuck of a screw locking pair, after the screws are positioned by the chuck, the screw is ejected downwards by a screwdriver head of an electric screwdriver under the condition of starting rotation, and the screws are locked on a structural member of an external device, so that the screw locking pair is completed. The existing clamping head is provided with a positioning space which can be opened and closed, screws are fed into the positioning space in an opened state, the screws are clamped and positioned in a closed state, but in the use process, the screws can incline or even turn over in the positioning space aiming at the screws with smaller specification and size, and when the screw is ejected downwards by a screwdriver head, the phenomenon of clamping or even damaging the clamping head is easy to occur, so that the existing clamping head for locking the screws is poor in stability in positioning the screws, and particularly the screws with different specification and size are difficult to accurately position.

Disclosure of Invention

The utility model aims to provide a screw locking combined chuck, which solves one or more technical problems in the prior art and at least provides a beneficial selection or creation condition.

The utility model solves the technical problems as follows:

a screw lock combination chuck comprising: a fixing seat; the electric screwdriver is connected to the fixing seat and provided with a screwdriver head extending downwards, and the screwdriver head is connected with a magnet seat; the material receiving assembly comprises a lifting driving piece, a clamping seat, a material receiving clamp, a main clamp and a pressing sleeve, wherein the lifting driving piece is connected to the fixing seat, the lifting driving piece is in driving connection with the clamping seat, the lifting driving piece can drive the clamping seat to move up and down, a channel extending along the upper and lower directions is arranged in the clamping seat, the pressing sleeve can slide up and down in the channel, the batch head passes through the pressing sleeve, the material receiving clamp and the main clamp are both positioned in the clamping seat, a material receiving opening capable of opening and closing is arranged in the material receiving clamp, a material receiving groove communicated with the material receiving opening is arranged at the front side of the material receiving clamp, the material receiving opening is positioned under the pressing sleeve, an openable limit opening is arranged in the main clamp, and the limit opening is positioned under the material receiving opening.

The technical scheme has at least the following beneficial effects: when the screw needs to be locked, the lifting driving piece drives the clamping seat to move downwards to the end of the stroke, at the moment, the material receiving opening in the material receiving clamp and the limiting opening in the main clamp are both in an open state, the screw is sent into the material receiving opening from the material receiving groove, then the material receiving opening and the limiting opening are both closed, so that the screw positioned in the material receiving opening is narrowed and limited, then the pressing sleeve moves downwards, the screw is pressed in the material receiving opening, the screw is further positioned, the phenomenon that the screw inclines and turns over in the material receiving clamp can be effectively reduced, the screwdriver head on the motor starts and rotates, the lifting driving piece drives the clamping seat to move upwards, the screwdriver head moves downwards relatively in the pressing sleeve, the rotating screwdriver head can be meshed with the screw when the screw is pressed downwards, the screw is driven to rotate synchronously, and the screwdriver head is continuously pressed downwards along with the screw, the screw can be gradually pressed out of the receiving port and enter the limiting port, then the screw is further guided to be limited in the limiting port until the screw is ejected out of the limiting port, the magnet seat on the screwdriver head can enable the screwdriver head to have magnetism, the screwdriver head can stably adsorb the screw and cannot fall off, at the moment, the screw can be locked on a peripheral structure, after the screw is completed, the lifting driving piece drives the clamping seat to move downwards, the screwdriver head moves upwards relative to the pressing sleeve and moves back into the pressing sleeve, and the receiving port and the limiting port are opened to prepare for next feeding and positioning of the screw, so that the phenomena of easy clamping and chuck damage during the whole feeding and locking of the screw are reduced, the stability of positioning and locking of the screw is greatly improved, the screw locking device is also applicable to screws with different specifications and sizes, and has more flexible use and higher practicability.

As a further improvement of the technical scheme, the fixing seat is connected with the guide rod which extends downwards, the guide rod is sleeved with the pressing spring, the magnet seat is connected to the guide rod in a sliding mode along the up-down direction, two ends of the pressing spring respectively prop against the fixing seat and the magnet seat, an avoidance hole penetrating along the up-down direction is formed in the magnet seat, the screwdriver head penetrates through the avoidance hole, a spring shaft is connected in the clamp seat, the top end of the spring shaft extends out of the clamp seat upwards and is opposite to the magnet seat, and the pressing sleeve is connected to the spring shaft. When the lifting driving piece drives the clamping seat to move upwards, the top end of the spring shaft abuts against the bottom end of the magnet seat, the magnet seat drives the spring shaft to move downwards along with the continuous upward movement of the clamping seat, the spring shaft drives the pressing sleeve connected with the spring shaft to move downwards, at the moment, the pressing sleeve can compress and position a screw positioned in the material receiving opening, when the clamping seat continues to move upwards, the compressed spring shaft directly lifts up the magnet seat, the magnet seat compresses a jacking spring sleeved on the guide rod when lifting, the screwdriver head moves downwards relatively in the pressing sleeve, the bottom end of the screwdriver head extends out of the pressing sleeve and pushes the screw downwards in a meshed mode, so that the screw is ejected and locked, after the screw is completed, the lifting driving piece drives the clamping seat to move downwards, the jacking spring is restored and the magnet seat is reset downwards, and the clamping seat continues to move downwards until the pressing sleeve is far away from the magnet seat, and the spring shaft is reset upwards and drives the sliding sleeve to move upwards to reset so as to prepare for compressing the screw which is fed into the material receiving opening next.

As a further improvement of the technical scheme, the main clamp comprises a left clamp rod, a right clamp rod, a first spring, a second spring, a left guide block and a right guide block, wherein the magnet seat is connected with a guide rail, the left end and the right end of the guide rail are downwards bent to form a left bent hook and a right bent hook which are opposite to each other, the middle part of the left clamp rod and the middle part of the right clamp rod are respectively and rotatably connected to the left side and the right side of the clamp seat, the left guide block is connected to the top of the left clamp rod, the left guide block props against the right side of the left bent hook, the first spring is connected to the right side of the left clamp rod and between the clamp seat, the right guide block props against the left side of the right bent hook, the second spring is connected to the left side of the right clamp rod and between the clamp seat, and the bottom of the left clamp rod is provided with a limit opening, and the first spring and the bottom of the second spring are respectively close to the bottom of the left clamp rod and the right clamp rod. When the lifting driving piece drives the clamping seat to move downwards to the tail end of the stroke, the left guide block and the right guide block respectively prop against the right side of the left bending hook and the left side of the right bending hook, at the moment, the left clamping rod and the right clamping rod respectively compress the first spring and the second spring, the bottom of the left clamping rod and the bottom of the right clamping rod are in a mutually far-away state, the limiting opening formed by the two is in an open state, when the lifting driving piece drives the clamping seat to move upwards, the top of the left clamping rod and the top of the right clamping rod are mutually far away by the elastic force of the first spring and the second spring, at the moment, the left guide block and the right guide block move upwards along the left bending hook and the right bending hook, the left guide block upwards slides into the hooking groove of the left bending hook from the hooking opening of the left bending hook, and the bottom of the right clamping rod is mutually close to the bottom of the left clamping rod, the limiting opening formed by the two limiting openings is closed to realize screw positioning, when the screw is ejected out of the limiting opening by the lifting driving piece, the bottom of the left clamping rod and the left guide block and the right guide block are gradually moved towards the bottom of the upper guide block and the left bending hook after the left guide block and the left guide block is gradually far away from the bottom of the clamping seat.

As a further improvement of the technical scheme, mounting grooves are formed in the left side and the right side of the clamping seat, and the left clamping rod and the right clamping rod are respectively connected to the two mounting grooves in a rotating mode. The left side and the right side of the clamping seat are respectively provided with the mounting grooves for mounting and accommodating the left clamping rod and the right clamping rod, the middle part of the left clamping rod and the middle part of the right clamping rod can be respectively and rotatably connected in the two mounting grooves, and the limiting and protecting effects can be provided for the left clamping rod, the right clamping rod, the first spring and the second spring, so that the overall appearance is improved.

As a further improvement of the technical scheme, the left guide block and the right guide block are both bearings or shaft sleeves. The left guide block and the right guide block can rotate when the left curved hook and the right curved hook move respectively so as to reduce friction between the left curved hook and the right curved hook, thereby improving the smoothness of the left clamping rod and the right clamping rod during rotation and prolonging the whole service life.

As a further improvement of the above technical scheme, the material receiving clamp comprises a left material receiving rod, a right material receiving rod, a third spring and a fourth spring, wherein the middle part of the left material receiving rod and the middle part of the right material receiving rod are respectively connected to the left side and the right side of the clamping seat in a rotating manner, the third spring is connected to the right side of the top of the left material receiving rod and between the clamping seat, the fourth spring is connected to the left side of the top of the right material receiving rod and between the clamping seat, the material receiving port is formed in the periphery of the bottom of the left material receiving rod and the bottom of the right material receiving rod, the third spring and the fourth spring enable the bottom of the left material receiving rod and the bottom of the right material receiving rod to be close to each other, the top of the left clamping rod is connected with a left transmission rod, the left transmission rod is abutted to the top of the left material receiving rod, and the top of the right clamping rod is connected with a right transmission rod, and the right transmission rod is abutted to the top of the right material receiving rod. When the lifting driving piece drives the clamping seat to move downwards to the end of the stroke, the left transmission rod and the right transmission rod respectively press against the top of the left material receiving rod and the top of the right material receiving rod, at the moment, the top of the left material receiving rod and the top of the right material receiving rod are in a state of being close to each other and respectively compress the third spring and the fourth spring, a material receiving opening formed at the bottom of the left material receiving rod and the bottom of the right material receiving rod is in an open state, when the lifting driving piece drives the clamping seat to move upwards, the top of the left clamping rod and the top of the right clamping rod are mutually far away, the left transmission rod and the right transmission rod can be respectively driven to be far away from the left material receiving rod and the right material receiving rod, at the moment, the top of the left material receiving rod and the top of the right material receiving rod can be propped open by the elasticity of the third spring and the fourth spring in a direction of being far away from each other, the bottom of the left receiving rod and the bottom of the right receiving rod are close to each other, the receiving openings formed by the left receiving rod and the right receiving rod are gradually closed, when the screwdriver head continuously moves downwards relative to the sliding sleeve and presses down the screw, the screw pushes the bottom of the left receiving rod and the bottom of the right receiving rod open leftwards and rightwards, so that the screw can be directly pushed downwards by the screwdriver head, the clamping seat is driven by the same driving source to move up and down, the receiving openings and the limiting openings can be driven to be opened and closed, the power transmission is skillfully realized while the double clamping and limiting of the screw are realized, and the whole structure is lighter, energy-saving and practical.

As a further improvement of the technical scheme, the left side and the right side of the clamping seat are respectively provided with a containing groove, and the left receiving rod and the right receiving rod are respectively and rotatably connected to the two containing grooves. Likewise, the left side and the right side of the clamping seat are provided with the holding grooves for connecting the left material receiving rod and the right material receiving rod, the holding grooves can protect the rotary connection structure of the left material receiving rod and the right material receiving rod, and limit protection is provided for the left material receiving rod, the right material receiving rod, the third spring and the fourth spring, so that the overall appearance and the structural stability are improved.

As a further improvement of the technical scheme, the inner diameter of the top end of the material receiving port is larger than the inner diameter of the bottom end of the material receiving port. The material receiving opening with the big upper part and the small lower part can be better attached to the shape of the screw, the screw is limited and prevented from falling, and the screwdriver head can also press the screw downwards out of the material receiving opening more easily.

As a further improvement of the technical scheme, the inner diameter of the top end of the limiting opening is larger than that of the bottom end of the limiting opening. Likewise, the limit opening with the big upper part and the small lower part can be better attached to the shape of the screw, so that the screw is limited and prevented from falling, and the screw is easier to be pressed out of the limit opening downwards by the screwdriver head.

As a further improvement of the technical scheme, the lifting driving piece is an air cylinder. The cylinder provides driving force to the clamping seat along the up-down direction, so that the batch head moves downwards or upwards relative to the clamping seat.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the utility model, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of part of A of FIG. 1;

FIG. 3 is a schematic view of an assembly structure of a guide rail and a receiving assembly according to the present utility model;

FIG. 4 is a schematic view of an exploded view of the receiving assembly of the present utility model.

In the accompanying drawings: 100-fixed seat, 110-guide rod, 120-top pressure spring, 200-electric batch, 210-batch head, 220-magnet seat, 230-guide rail, 231-left bent hook, 232-right bent hook, 310-lifting driving piece, 320-clamping seat, 321-installation groove, 322-containing groove, 330-receiving clamp, 331-receiving port, 332-receiving groove, 333-left receiving rod, 334-right receiving rod, 335-third spring, 336-fourth spring, 337-left transmission rod, 338-right transmission rod, 340-main clamp, 341-limit port, 342-left clamp rod, 343-right clamp rod, 344-first spring, 345-second spring, 346-left guide block, 347-right guide block, 350-press sleeve and 360-spring shaft.

Detailed Description

The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to a connection structure that may be better formed by adding or subtracting connection aids depending on the particular implementation. The technical features in the utility model can be interactively combined on the premise of no contradiction and conflict.

Referring to fig. 1 and 2, a screw locking combined chuck includes: a holder 100; the electric screwdriver 200 is connected to the fixing base 100, the electric screwdriver 200 is provided with a screwdriver head 210 extending downwards, and the screwdriver head 210 is connected with a magnet base 220; the material receiving assembly comprises a lifting driving piece 310, a clamping seat 320, a material receiving clamp 330, a main clamp 340 and a pressing sleeve 350, wherein the lifting driving piece 310 is connected to the fixed seat 100, the lifting driving piece 310 is in driving connection with the clamping seat 320, the lifting driving piece 310 can drive the clamping seat 320 to move up and down, a channel extending along the up-down direction is arranged in the clamping seat 320, the pressing sleeve 350 can slide up and down in the channel, the batch head 210 passes through the pressing sleeve 350, the material receiving clamp 330 and the main clamp 340 are both positioned in the clamping seat 320, a material receiving opening 331 capable of opening and closing is arranged in the material receiving clamp 330, the front side of the material receiving clamp 330 is provided with a material receiving groove 332 which is mutually communicated with the material receiving opening 331, the material receiving opening 331 is positioned under the pressing sleeve 350, a limit opening 341 capable of opening and closing is arranged in the main clamp 340, and the limit opening 341 is positioned under the material receiving opening 331.

In the screw locking combined chuck, when a screw needs to be locked, the lifting driving piece 310 drives the clamping seat 320 to move downwards to the stroke end, at the moment, the material receiving opening 331 in the material receiving clamp 330 and the limiting opening 341 in the main clamp 340 are both in an open state, the screw is sent into the material receiving opening 331 from the material receiving groove 332, then the material receiving opening 331 and the limiting opening 341 are both closed, the screw positioned in the material receiving opening 331 is narrowed and limited, then the pressing sleeve 350 moves downwards, the screw rod is pressed in the material receiving opening 331, the screw is further positioned, so that the phenomenon that the screw rod is inclined and turned over in the material receiving clamp 330 can be effectively reduced, the screwdriver head 210 on the motor is started and rotates automatically, the lifting driving piece 310 drives the clamping seat 320 to move upwards, the rotating screwdriver head 210 moves downwards relatively in the pressing sleeve 350, the screw is meshed with the screw when the screw is pressed downwards, the screw head 210 is driven to synchronously rotate along with the continuous pressing of the screw, the screw can be gradually pressed out of the material receiving port 331 and enter the limit port 341, and then the screw is further guided and limited in the limit port 341 until the screw is ejected out of the limit port 341, the magnet seat 220 on the screwdriver head 210 can enable the screwdriver head 210 to have magnetism, the screwdriver head 210 can stably absorb the screw and prevent the screw from falling off, at the moment, the screw can be locked on a peripheral structure, after the completion, the lifting driving piece 310 drives the clamping seat 320 to move downwards, the screwdriver head 210 moves upwards relative to the pressing sleeve 350 and is retracted into the pressing sleeve 350, the material receiving port 331 and the limit port 341 are opened to prepare for next feeding and positioning of the screw, therefore, the phenomena of easy clamping and damage to the clamping head when the screw is ejected out of the locking process are reduced in the whole feeding and delivering of the screw, the stability of the screw positioning and delivering of the locking is greatly improved, the screw positioning and the locking stability can also be applied to screws with different specifications and sizes, the use is more flexible, the practicability is stronger.

In practical applications, the magnet holder 220 includes a magnet box and a magnetic ring disposed in the magnet box, the magnetic ring can be disposed in the magnet box along the up-down direction, the batch head 210 passes through the magnet box and passes through the center of the magnetic ring, the batch head 210 is magnetic mainly by using the magnetic ring, the magnet holder 220 can be directly fixed on the batch head 210 relatively, and also can be mounted on a peripheral structure, and the batch head 210 can relatively rotate in the magnet holder 220.

The pressing sleeve 350 is required to move in the up-down direction in the clamping seat 320, an independent driving source is installed on the clamping seat 320 to drive the pressing sleeve 350, in this embodiment, the lifting driving member 310 drives the clamping seat 320 to move up and down, the driving force directly drives the pressing sleeve 350 to move up and down, specifically, the fixing seat 100 is connected with a guide rod 110 extending downward, the guide rod 110 is sleeved with a pressing spring 120, the magnet seat 220 is slidably connected to the guide rod 110 in the up-down direction, two ends of the pressing spring 120 respectively prop against the fixing seat 100 and the magnet seat 220, in practical application, a limiting ring is connected to the bottom end of the guide rod 110 located in the magnet seat 220, the magnet seat 220 can be prevented from falling out of the guide rod 110 by using the limiting ring, an avoidance hole penetrating in the up-down direction is provided in the magnet seat 220, the screwdriver 210 penetrates through the avoidance hole, the clamping seat 320 is connected with a spring shaft 360, the top end of the spring shaft 360 extends upward into the clamping seat 320 and is opposite to the magnet seat 220, and the pressing sleeve 360 is connected to the spring shaft 360. When the lifting driving piece 310 drives the clamping seat 320 to move upwards, the top end of the spring shaft 360 abuts against the bottom end of the magnet seat 220, the magnet seat 220 drives the spring shaft 360 to move downwards along with the continuous upward movement of the clamping seat 320, the pressing sleeve 350 connected with the spring shaft 360 is driven to move downwards, at the moment, the pressing sleeve 350 can press and position a screw positioned in the material receiving port 331, when the clamping seat 320 continues to move upwards, the compressed spring shaft 360 directly pushes up the magnet seat 220, the magnet seat 220 compresses the jacking spring 120 sleeved on the guide rod 110 when rising, the screwdriver head 210 moves downwards relatively in the pressing sleeve 350, the bottom end of the screwdriver head 210 stretches out of the pressing sleeve 350 and pushes down the screw in a snap-in manner, so that the screw is pushed out and locked, after the completion, the lifting driving piece 320 is driven to move downwards, the jacking spring 120 is restored and the magnet seat 220 is pushed down to reset, and the clamping seat 320 continues to move downwards until being far away from the magnet seat 220, and the spring shaft 360 is driven to move upwards to reset so as to prepare for pressing the next screw sent into the material receiving port 331, and the next screw can slide in the sliding seat 320 can slide upwards.

In order to reduce the driving source, as shown in fig. 3 and 4, in this embodiment, the main clamp 340 includes a left clamp rod 342, a right clamp rod 343, a first spring 344, a second spring 345, a left guide block 346 and a right guide block 347, the magnet holder 220 is connected with a guide rail 230, the left and right ends of the guide rail 230 are bent downwards to form a left hook 231 and a right hook 232 opposite to each other, the left hook 231 extends downwards first, the bottom end is bent downwards, the right hook 232 extends downwards first, the middle of the left clamp rod 342 and the middle of the right clamp rod 343 are respectively connected to the left and right sides of the clamp holder 320, the left guide block 346 abuts against the right side of the left hook 231, the first spring block 346 abuts against the bottom of the right clamp rod 343, the left and the right spring block 343 abuts against the bottom of the right clamp holder 320, the left guide block 343 abuts against the bottom of the right clamp rod 343, and the bottom of the right clamp rod 343 abuts against the bottom of the second spring 343, and the bottom of the left clamp rod 343 abuts against the bottom of the right clamp rod 343.

In the main clamp 340 of this embodiment, when the lifting driving member 310 drives the clamp holder 320 to move down to the end of the stroke, the left guide block 346 and the right guide block 347 respectively prop against the right side of the left hook 231 and the left side of the right hook 232, the left clamp rod 342 and the right clamp rod 343 compress the first spring 344 and the second spring 345 respectively, the bottom of the left clamp rod 342 and the bottom of the right clamp rod 343 are in a mutually separated state, the limiting opening 341 formed by the two is in an opened state, when the lifting driving member 310 drives the clamp holder 320 to move up, the top of the left clamp rod 342 and the top of the right clamp rod 343 are mutually separated by the elastic force of the first spring 344 and the second spring 345, at this time, the left guide block 346 and the right guide block 347 move upwards along the left hook 231 and the right hook 232, the left guide block 346 slides upwards into the hook groove of the left hook 231 from the hook opening of the left hook 231, similarly, the right guide block 347 slides upwards from the hook opening of the right hook 232 into the hook slot of the right hook 232, the bottom of the left clamping rod 342 and the bottom of the right clamping rod 343 are close to each other, the limiting opening 341 formed by the two is closed, so that the screw is positioned, when the screwdriver head 210 ejects the screw out of the limiting opening 341, the screw can push the bottom of the left clamping rod 342 and the left and right sides of the bottom of the right clamping rod 343, in the process, the limiting opening 341 can play a limiting guide role on the screw, so that the screw can be stably ejected, after the screw is completed, the lifting driving piece 310 drives the clamping seat 320 to move downwards, the left guide block 346 and the right guide block 347 are gradually close along the guide of the left hook 231 and the right hook 232, and the bottom of the left clamping rod 342 and the bottom of the right clamping rod 343 are gradually far away from each other and opened, so as to prepare for feeding and positioning the next screw.

In order to facilitate the mounting of the left clamping bar 342 and the right clamping bar 343 on the clamping seat 320, in this embodiment, mounting grooves 321 are disposed on both the left and right sides of the clamping seat 320, and the left clamping bar 342 and the right clamping bar 343 are respectively rotatably connected to the two mounting grooves 321. The left and right sides at the holder 320 all are provided with the mounting groove 321 that holds left clamp bar 342 and right clamp bar 343 installation, and the middle part of left clamp bar 342 and the middle part of right clamp bar 343 can rotate respectively and connect in two mounting groove 321, can provide spacing, protection to left clamp bar 342, right clamp bar 343, first spring 344 and second spring 345, improves whole outward appearance.

The left guide block 346 is mainly used to prop against the right side of the left hook 231, and the right guide block 347 is mainly used to prop against the left side of the right hook 232, so as to improve the smoothness of the relative displacement between the guide block and the hook, in this embodiment, the left guide block 346 and the right guide block 347 are both bearings or shaft sleeves. The left guide block 346 and the right guide block 347 are rotatable when moving on the left hook 231 and the right hook 232, respectively, to reduce friction therebetween, thereby improving smoothness of the left clamp bar 342 and the right clamp bar 343 when rotating, and improving overall service life.

The material receiving clamp 330 is mainly used for forming a material receiving port 331 capable of opening and closing, and has various structural forms, and can be directly provided with an independent driving source, such as a pneumatic clamping finger, on the clamping seat 320, and then drives two structural members to be folded or separated relatively, in order to reduce the driving source, in this embodiment, the material receiving clamp 330 includes a left material receiving rod 333, a right material receiving rod 334, a third spring 335 and a fourth spring 336, the middle part of the left material receiving rod 333 and the middle part of the right material receiving rod 334 are respectively connected to the left side and the right side of the clamping seat 320 in a rotating manner, the third spring 335 is connected between the top right side of the left material receiving rod 333 and the clamping seat 320, the fourth spring 336 is connected between the top left side of the right material receiving rod 334 and the clamping seat 320, the bottom of the left material receiving rod 333 and the bottom of the right material receiving rod 334 are surrounded by the material receiving port 331, the third spring and the fourth spring 336 respectively make the bottom of the left material receiving rod 333 and the right receiving rod 334 abut against the top of the transmission rod 338, and the transmission rod 338 abut against the top of the transmission rod 338.

In this material clamp 330, when lift driver 310 drove holder 320 and move down to the stroke end, left transfer line 337 and right transfer line 338 are respectively supported and are pressed in the top of left material 333 and the top of right material 334, the top of left material 333 and the top of right material 334 are the state that is close to each other this moment, and compress third spring 335 and fourth spring 336 respectively, the material receiving mouth 331 that left material 333 bottom and right material 334 bottom formed is the open state, when lift driver 310 drove holder 320 and move up, because the top of left clamp 342 and the top of right clamp 343 keep away from each other, can drive left transfer line 337 and right transfer line 338 respectively and keep away from left material 333 and right material 334, at this moment, the top of left material 333 and the top of right material 334 are to the direction of keeping away from each other to strut, and the bottom of left material 333 and the bottom of right material 334 are then close to each other, the material receiving mouth 331 that forms closes up gradually closes up and closes up the mouth 331, and can realize the screwdriver simultaneously with the realization that the screw driver is closed with the same, the screw driver is realized and the two is closed, simultaneously can realize the energy-conserving screw driver, and the screw driver is realized simultaneously and the top screw driver is closed and is opened by the whole and is opened, simultaneously, can realize the energy-conserving and the top is realized.

In order to facilitate the mounting of the left receiving rod 333 and the right receiving rod 334 on the holder 320, in this embodiment, receiving grooves 322 are respectively provided on the left and right sides of the holder 320, and the left receiving rod 333 and the right receiving rod 334 are respectively rotatably connected to the two receiving grooves 322. Similarly, the holding grooves 322 for connecting the left receiving rod 333 with the right receiving rod 334 are arranged on the left side and the right side of the clamping seat 320, the holding grooves 322 can protect the rotary connection structure of the left receiving rod 333 and the right receiving rod 334, limit protection is provided for the left receiving rod 333, the right receiving rod 334, the third spring 335 and the fourth spring 336, and the overall appearance and the structural stability are improved.

In some embodiments, the inner diameter of the top end of the receiving opening 331 is larger than the inner diameter of the bottom end of the receiving opening 331. The material receiving port 331 with a large upper part and a small lower part can be better attached to the shape of the screw, so that the screw is limited and prevented from falling, and the screwdriver head 210 can also press the screw downwards out of the material receiving port 331 more easily.

In some embodiments, the top end of the limiting opening 341 has a larger inner diameter than the bottom end of the limiting opening 341. Similarly, the upper large and lower small limiting opening 341 can better fit the shape of the screw, so that the screw is limited and prevented from falling, and the screwdriver head 210 can more easily press the screw out of the limiting opening 341 downwards.

The lifting driving member 310 is mainly used for providing driving force to the clamping seat 320 along the up-down direction, and various structural forms are available, such as an electric push rod, a hydraulic push rod, etc., and in this embodiment, the lifting driving member 310 is an air cylinder. The cylinder provides a driving force in an up-down direction to the chuck 320, so that the batch head 210 moves down or up relative to the chuck 320.

While the preferred embodiment of the present utility model has been described in detail, the utility model is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the utility model, and these modifications and substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (10)

1. The utility model provides a screw lock pair combination chuck which characterized in that: comprising the following steps:

a fixed seat (100);

the electric screwdriver (200) is connected to the fixed seat (100), the electric screwdriver (200) is provided with a screwdriver head (210) extending downwards, and the screwdriver head (210) is connected with a magnet seat (220);

the material receiving assembly comprises a lifting driving piece (310), a clamping seat (320), a material receiving clamp (330), a main clamp (340) and a pressing sleeve (350), wherein the lifting driving piece (310) is connected to the fixing seat (100), the lifting driving piece (310) is in driving connection with the clamping seat (320), the lifting driving piece (310) can drive the clamping seat (320) to move up and down, a channel extending along the upper and lower direction is formed in the clamping seat (320), the pressing sleeve (350) can slide up and down in the channel, the batch head (210) passes through the pressing sleeve (350), the material receiving clamp (330) and the main clamp (340) are both positioned in the clamping seat (320), a material receiving opening (331) capable of being opened and closed is formed in the material receiving clamp (330), a material receiving groove (332) which is mutually communicated with the material receiving opening (331) is formed in the front side of the material receiving clamp (330), the material receiving opening (331) is positioned under the pressing sleeve (350) and the main clamp (340) is positioned under the material receiving opening (341) and the material receiving opening (331) is positioned under the main clamp (341).

2. The screw lock combination chuck of claim 1, wherein: the fixing seat (100) is connected with a guide rod (110) extending downwards, the guide rod (110) is sleeved with a pressing spring (120), the magnet seat (220) is connected to the guide rod (110) in a sliding manner along the up-down direction, two ends of the pressing spring (120) respectively prop against the fixing seat (100) and the magnet seat (220), the magnet seat (220) is internally provided with an avoidance hole penetrating along the vertical direction, the screwdriver head (210) penetrates through the avoidance hole, a spring shaft (360) is connected in the clamping seat (320), the top end of the spring shaft (360) extends out of the clamping seat (320) upwards and is opposite to the magnet seat (220), and the pressing sleeve (350) is connected to the spring shaft (360).

3. The screw lock combination chuck of claim 2, wherein: the main clamp (340) comprises a left clamp rod (342), a right clamp rod (343), a first spring (344), a second spring (345), a left guide block (346) and a right guide block (347), wherein the magnet seat (220) is connected with a guide rail (230), the left and right ends of the guide rail (230) are bent downwards to form a left bent hook (231) and a right bent hook (232) which are opposite to each other, the middle part of the left clamp rod (342) and the middle part of the right clamp rod (343) are respectively connected to the left side and the right side of the clamp seat (320) in a rotating manner, the left guide block (346) is connected to the top of the left clamp rod (342), the left guide block (346) is propped against the right side of the left bent hook (231), the first spring (344) is connected between the right side of the left clamp rod (342) and the clamp seat (320), the right guide block (347) is connected to the top of the right clamp rod (232) and is propped against the bottom of the right clamp seat (320) and is provided with a limit opening (341) between the left side and the right clamp rod (342), the first spring (344) and the second spring (345) respectively enable the bottom of the left clamping rod (342) and the bottom of the right clamping rod (343) to be close to each other.

4. A screw lock combination chuck according to claim 3, wherein: the left side and the right side of the clamping seat (320) are respectively provided with a mounting groove (321), and the left clamping rod (342) and the right clamping rod (343) are respectively connected with the two mounting grooves (321) in a rotating mode.

5. A screw lock combination chuck according to claim 3, wherein: the left guide block (346) and the right guide block (347) are bearings or shaft sleeves.

6. A screw lock combination chuck according to claim 3, wherein: the material receiving clamp (330) comprises a left material receiving rod (333), a right material receiving rod (334), a third spring (335) and a fourth spring (336), the middle part of the left material receiving rod (333) and the middle part of the right material receiving rod (334) are respectively connected to the left side and the right side of the clamping seat (320) in a rotating mode, the third spring (335) is connected to the right side of the top of the left material receiving rod (333) and between the clamping seats (320), the fourth spring (336) is connected to the left side of the top of the right material receiving rod (334) and between the clamping seats (320), the bottom of the left material receiving rod (333) and the bottom of the right material receiving rod (334) are provided with material receiving ports (331) in a surrounding mode, the bottom of the left material receiving rod (333) and the bottom of the right material receiving rod (334) are respectively made to be close to each other, the top of the left clamping rod (342) is connected to the top of the right clamping rod (334), the top of the left clamping rod (334) is connected to the top of the right clamping rod (338), and the top of the transmission rod (338) is connected to the top of the transmission rod (338).

7. The screw lock combination chuck of claim 6, wherein: the left side and the right side of the clamping seat (320) are respectively provided with a containing groove (322), and the left receiving rod (333) and the right receiving rod (334) are respectively connected with the two containing grooves (322) in a rotating mode.

8. The screw lock combination chuck of claim 1, wherein: the inner diameter of the top end of the material receiving port (331) is larger than the inner diameter of the bottom end of the material receiving port (331).

9. The screw lock combination chuck of claim 1, wherein: the inner diameter of the top end of the limit opening (341) is larger than the inner diameter of the bottom end of the limit opening (341).

10. The screw lock combination chuck of claim 1, wherein: the lifting driving piece (310) is an air cylinder.