CN216858847U - Screw lock disassembling mechanism and screw machine - Google Patents

Abstract

The utility model discloses a screw lock disassembling mechanism and a screw machine, wherein the screw lock disassembling mechanism comprises an electric screwdriver, a shaft sleeve mounting seat, a positioning shaft sleeve and a suction nozzle; one end of the electric screwdriver is detachably connected with a screwdriver rod; the shaft sleeve mounting seat is fixed on one side of the electric screwdriver and is arranged in a hollow mode, the connecting portion of the screwdriver rod and the electric screwdriver is located in the shaft sleeve mounting seat, an opening is formed in the side face of the shaft sleeve mounting seat, and the opening can allow a hand or a disassembling tool to enter the shaft sleeve mounting seat to remove the connection between the screwdriver rod and the electric screwdriver; the positioning shaft sleeve is fixed on the shaft sleeve mounting seat, is sleeved on the outer side of the batch rod and is used for positioning the batch rod; the suction nozzle is detachably connected to one end, far away from the electric screwdriver, of the positioning shaft sleeve, and one end of the screwdriver rod extends into the suction nozzle. The screw locking and unlocking mechanism can quickly realize the replacement of the screwdriver rod so as to improve the locking and unlocking efficiency of the screw.

Description

Screw lock disassembling mechanism and screw machine

Technical Field

The utility model relates to the technical field of screw mounting and dismounting equipment, in particular to a screw locking and dismounting mechanism and a screw machine.

Background

In the related technology, the screw lock disassembly mechanism comprises an electric screwdriver, a screwdriver rod, a fixed seat, a positioning shaft sleeve, a suction nozzle and the like, wherein the electric screwdriver and the positioning shaft sleeve are respectively arranged at two sides of the fixed seat, the suction nozzle is connected with one end of the positioning shaft sleeve, which is far away from the fixed seat, the positioning shaft sleeve is connected with a vacuum connector for generating negative pressure in the suction nozzle, the screwdriver rod sequentially penetrates through the fixed seat, the positioning shaft sleeve and the suction nozzle, one end of the screwdriver rod is detachably connected with the electric screwdriver, the screw lock disassembly mechanism can better position the screwdriver rod through the positioning shaft sleeve, and adsorbs screws through the suction nozzle, so that the locking operation of the screws can be conveniently and rapidly realized; because the screw lock is torn open the mechanism and need be locked to the screw of different specifications size and tear the operation open, consequently need change the batch pole of adaptation according to the specification of screw often, and when this type screw lock is torn open the mechanism and is changed batch pole, all need earlier to be torn open the electric screwdriver from the fixing base, and the electric screwdriver is fixed in on the fixing base through a plurality of threaded connection usually, and therefore the process of changing batch pole is all comparatively loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a screw locking and unlocking mechanism which can rapidly realize the replacement of a batch rod so as to improve the locking and unlocking efficiency of screws.

The utility model also provides a screw machine with the screw locking and unlocking mechanism.

The screw locking and unlocking mechanism comprises a screwdriver, a shaft sleeve mounting seat, a positioning shaft sleeve and a suction nozzle; one end of the electric screwdriver is detachably connected with a screwdriver rod; the shaft sleeve mounting seat is fixed on one side of the electric screwdriver and is arranged in a hollow mode, the connecting portion of the screwdriver rod and the electric screwdriver is located in the shaft sleeve mounting seat, an opening is formed in the side face of the shaft sleeve mounting seat, and the opening can allow a hand or a disassembling tool to enter the shaft sleeve mounting seat to remove the connection between the screwdriver rod and the electric screwdriver; the positioning shaft sleeve is fixed on the shaft sleeve mounting seat, is sleeved on the outer side of the batch rod and is used for positioning the batch rod; the suction nozzle is detachably connected to one end, far away from the electric screwdriver, of the positioning shaft sleeve, and one end of the screwdriver rod extends into the suction nozzle.

The screw lock disassembling mechanism according to the embodiment of the first aspect of the utility model has at least the following advantages:

when the screwdriver rod needs to be replaced, the suction nozzle can be firstly detached from the positioning shaft sleeve, so that one end of the screwdriver rod extending into the suction nozzle is exposed to the outside, then the first hand of an operator holds the end of the screwdriver rod, the other hand of the operator penetrates through the opening in the shaft sleeve mounting seat and extends into the shaft sleeve mounting seat, or the other hand holds a tool so that the tool penetrates through the opening in the shaft sleeve mounting seat and extends into the shaft sleeve mounting seat, the connection between the other end of the screwdriver rod and the electric screwdriver is released, and then the screwdriver rod is pulled to one side far away from the electric screwdriver by the first hand, so that the screwdriver rod can be pulled out from the shaft sleeve mounting seat and the positioning shaft sleeve, and the screwdriver rod can be detached; when another batch of rods are reinstalled, an operator can insert one end of the batch rod for connecting the electric screwdriver into the positioning shaft sleeve from one side of the positioning shaft sleeve, which is far away from the shaft sleeve mounting seat, by a first hand, and enable one end of the batch rod for connecting the electric screwdriver to penetrate into the shaft sleeve mounting seat, then the other hand of the operator penetrates through the opening in the shaft sleeve mounting seat to extend into the shaft sleeve mounting seat, or the other hand holds a tool to enable the tool to penetrate through the opening in the shaft sleeve mounting seat to extend into the shaft sleeve mounting seat, so that one end of the batch rod is connected to the electric screwdriver again, and finally the suction nozzle is reinstalled at the lower end of the positioning shaft sleeve, so that the batch rod can be replaced; therefore, the screw lock disassembly mechanism of the embodiment can realize the disassembly and separation of the batch rod and the electric screwdriver without disassembling the electric screwdriver when the batch rod is replaced, thereby effectively improving the efficiency of batch rod replacement and further improving the efficiency of screw lock disassembly operation.

According to some embodiments of the screw locking and unlocking mechanism of the first aspect of the present invention, the suction nozzle and the positioning sleeve are clamped by the mutually matched clamping block and the rotary clamping groove.

According to some embodiments of the first aspect of the present invention, the screw locking and unlocking mechanism further includes a tightening nut threadedly connected to an end of the positioning sleeve away from the screwdriver, one end of the suction nozzle is inserted into the positioning sleeve, and a first protrusion structure is disposed on an outer side of the suction nozzle, and the tightening nut is provided with a second protrusion structure to press the first protrusion structure against an end face of the positioning sleeve.

According to some embodiments of the screw locking and unlocking mechanism of the first aspect of the present invention, the positioning sleeve includes a fixed sleeve, a flexible sleeve and an elastic member, the fixed sleeve is connected to the sleeve mounting seat, one end of the flexible sleeve is telescopically inserted into the fixed sleeve, the elastic member is disposed inside the fixed sleeve and is configured to provide an elastic restoring force for the flexible sleeve to move towards a side away from the screwdriver, and the suction nozzle is detachably connected to the flexible sleeve.

According to the screw locking and unlocking mechanism of some embodiments of the first aspect of the present invention, the inner side of the fixed shaft sleeve near one end of the screwdriver bit is provided with a third protrusion structure, and one end of the elastic member far away from the telescopic shaft sleeve abuts against the third protrusion structure.

According to some embodiments of the first aspect of the present invention, the screw locking and unlocking mechanism further includes a pressure sensor, and the pressure sensor is located inside the fixed shaft sleeve and between the elastic member and the telescopic shaft sleeve.

According to some embodiments of the screw locking and unlocking mechanism of the first aspect of the present invention, the end of the telescopic shaft sleeve inserted into the fixed shaft sleeve forms a first accommodating cavity, and the pressure sensor and one end of the elastic element are disposed in the first accommodating cavity.

According to some embodiments of the screw locking and unlocking mechanism of the first aspect of the present invention, a second accommodating cavity is disposed at an end of the telescopic shaft sleeve away from the fixed shaft sleeve, and an end of the suction nozzle is inserted into the second accommodating cavity.

According to some embodiments of the screw locking and unlocking mechanism of the first aspect of the present invention, the first accommodating chamber and the second accommodating chamber are respectively provided with a first positioning bearing and a second positioning bearing, and the screw rod passes through the first positioning bearing and the second positioning bearing.

According to some embodiments of the screw locking and unlocking mechanism of the first aspect of the present invention, a third positioning bearing is disposed at an end of the fixing shaft sleeve close to the screwdriver, and the screwdriver rod passes through the third positioning bearing.

According to some embodiments of the screw locking and unlocking mechanism of the first aspect of the present invention, a vacuum joint is disposed on the telescopic shaft sleeve and communicates with the inside of the second accommodating chamber.

According to some embodiments of the screw lock release mechanism of the first aspect of the present invention, the second positioning bearing is a sealed bearing.

According to some embodiments of the first aspect of the present invention, the screw locking and unlocking mechanism further includes a ventilation shaft sleeve, the ventilation shaft sleeve is disposed in the second accommodating cavity, one end of the ventilation shaft sleeve abuts against the second positioning bearing, and the suction nozzle abuts against the other end of the ventilation shaft sleeve.

According to some embodiments of the first aspect of the present invention, the screw locking and unlocking mechanism further comprises a flow meter, and the flow meter is disposed on the vacuum pipe connected to the vacuum joint.

According to some embodiments of the first aspect of the present invention, the screw lock disassembling mechanism further includes a screwdriver mounting base for fixing a screwdriver, the screwdriver mounting base includes a base body and a plurality of pressing blocks, the base body is formed with a plurality of semicircular first grooves, the pressing blocks are provided with semicircular second grooves, the pressing blocks are detachably connected to the base body, and the second grooves are opposite to the first grooves to form annular grooves for pressing the screwdriver.

According to some embodiments of the screw locking and unlocking mechanism of the first aspect of the present invention, the bushing mount is detachably connected to the screwdriver mount by a screw.

According to the screw locking and unlocking mechanism of some embodiments of the first aspect of the present invention, a flange is disposed at an end of the fixing shaft sleeve close to the screwdriver, a first mounting hole is disposed on the flange, a second mounting hole corresponding to the first mounting hole is disposed on the shaft sleeve mounting seat, and the fixing shaft sleeve is connected to the shaft sleeve mounting seat through screws penetrating through the first mounting hole and the second mounting hole in a one-to-one correspondence manner.

According to some embodiments of the second aspect of the present invention, the screw locking and unlocking mechanism of the first aspect of the present invention is included.

The screw machine according to some embodiments of the second aspect of the present invention has at least the following advantages: through adopting the screw lock of above-mentioned first aspect embodiment to tear mechanism open, when needs lock the screw of different specifications and tear open, can change the batch pole fast, and then improve the screw machine effectively and tear the work efficiency of screw operation in-process open at the lock.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic side view of a screw locking and unlocking mechanism according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the screw lock release mechanism taken in the direction A-A of FIG. 1;

FIG. 3 is a partial schematic view of the connection structure between the vacuum connection, the suction nozzle and the extension sleeve shown in FIG. 2;

fig. 4 is a partially enlarged view of an area B shown in fig. 3.

The electric screwdriver 100, the screwdriver rod 110, the fixed shaft sleeve 200, the third protruding structure 210, the third positioning bearing 220, the flange 230, the telescopic shaft sleeve 300, the first accommodating cavity 320, the second accommodating cavity 330, the first positioning bearing 340, the second positioning bearing 350, the ventilation shaft sleeve 360, the elastic piece 370, the pressure sensor 380, the vacuum connector 400, the suction nozzle 500, the first protruding structure 510, the countersunk hole 520, the tightening nut 600, the second protruding structure 610, the electric screwdriver mounting seat 700, the connecting plate 711, the fixed plate 712, the pressing block 720, the shaft sleeve mounting seat 800 and the opening 810.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, left, right, front, rear, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

The screw locking and unlocking mechanism according to the first embodiment of the present invention will be described with reference to fig. 1 to 4.

Referring to fig. 1 to 3, the screw locking and unlocking mechanism of the present embodiment includes an electric screwdriver 100, a shaft sleeve mounting seat 800, a positioning shaft sleeve and a suction nozzle 500; one end of the electric screwdriver 100 is detachably connected with a screwdriver rod 110; the shaft sleeve mounting seat 800 is fixed on one side of the electric screwdriver 100 and is arranged in a hollow mode, the connecting portion of the screwdriver rod 110 and the electric screwdriver 100 is located in the shaft sleeve mounting seat 800, an opening 810 is formed in the side face of the shaft sleeve mounting seat 800, and the opening 810 can allow a human hand or a disassembling tool to enter the shaft sleeve mounting seat 800 to release the connection between the screwdriver rod 110 and the electric screwdriver 100; the positioning shaft sleeve is fixed on the shaft sleeve mounting seat 800, is sleeved on the outer side of the batch rod 110 and is used for positioning the batch rod 110; the suction nozzle 500 is removably attached to the end of the positioning sleeve remote from the electric screwdriver 100, and an end of the screwdriver rod 110 extends into the suction nozzle 500.

When the screwdriver rod 110 needs to be replaced, the suction nozzle 500 can be detached from the positioning sleeve, so that one end of the screwdriver rod 110 extending into the suction nozzle 500 is exposed to the outside, then the first hand of the operator holds the end of the screwdriver rod 110, the other hand of the operator penetrates through the opening 810 in the sleeve mounting seat 800 and extends into the sleeve mounting seat 800, or the other hand holds a tool, so that the tool penetrates through the opening 810 in the sleeve mounting seat 800 and extends into the sleeve mounting seat 800, the connection between the other end of the screwdriver rod 110 and the screwdriver 100 is released, then the screwdriver rod 110 is pulled towards the side far away from the screwdriver 100 by the first hand, and the screwdriver rod 110 can be pulled out from the sleeve mounting seat 800 and the positioning sleeve, so that the screwdriver rod 110 can be detached; when another batch of rods 110 is remounted, an operator can firstly insert one end of the batch rod 110 for connecting the electric batch 100 into the positioning shaft sleeve from one side of the positioning shaft sleeve far away from the shaft sleeve mounting seat 800 by a first hand, and make one end of the batch rod 110 for connecting the electric batch 100 penetrate into the shaft sleeve mounting seat 800, then the other hand of the operator extends into the shaft sleeve mounting seat 800 through the opening 810 on the shaft sleeve mounting seat 800, or the other hand holds a tool so that the tool extends into the shaft sleeve mounting seat 800 through the opening 810 on the shaft sleeve mounting seat 800, so as to connect one end of the batch rod 110 to the electric batch 100 again, and finally remount the suction nozzle 500 at the lower end of the positioning shaft sleeve, thus realizing the replacement of the batch rod 110; therefore, when the screwdriver rod 110 is replaced, the screwdriver rod 110 and the screwdriver 100 can be detached without detaching the screwdriver 100, so that the efficiency of replacing the screwdriver rod 110 can be effectively improved, and the efficiency of detaching the screwdriver is further improved.

It should be understood that, in the present embodiment, since the suction nozzle 500 is detachably connected to the positioning boss, when the specification of the screw is changed, the suction nozzle 500 can be directly replaced, so that the suction nozzle 500 can be correspondingly matched with the specification of the screw to better suck the screw.

Referring to fig. 2 and 3, in the present embodiment, specifically, the screw lock removal mechanism further includes a tightening nut 600 threadedly coupled to an end of the positioning sleeve far from the screwdriver 100, an end of the suction nozzle 500 is inserted into the positioning sleeve, a first protrusion 510 is disposed on an outer side of the suction nozzle 500, and the tightening nut 600 is provided with a second protrusion 610 to press the first protrusion 510 against an end surface of the positioning sleeve. When the suction nozzle 500 needs to be replaced, the tightening nut 600 is rotated to be separated from the positioning shaft sleeve, then the suction nozzle 500 is pulled out of the positioning shaft sleeve, one end of a new suction nozzle 500 is inserted into the positioning shaft sleeve, and finally the tightening nut 600 is screwed again.

It should be understood that, besides the above-mentioned structure of tightening the nut 600 and the like to realize the detachable connection of the suction nozzle 500, in other embodiments, the positioning sleeve and the suction nozzle 500 may be provided with a rotation slot and a fixture block respectively, which are engaged with each other; for example, a rotary clamping groove may be formed on an inner wall of the positioning shaft sleeve at an end far away from the screwdriver 100, and a clamping block may be formed on an outer wall of the suction nozzle 500, wherein the rotary clamping groove may be formed by splicing an inlet section axially arranged along the positioning shaft sleeve and an arc-shaped clamping section circumferentially arranged along the positioning shaft sleeve; when one end of the suction nozzle 500 is clamped into the positioning shaft sleeve, the fixture block is aligned to the inlet section, then the suction nozzle 500 is pushed along the axial direction of the positioning shaft sleeve to be inserted into the second accommodating cavity 330, at the moment, the fixture block enters the clamping section through the inlet section, and then the suction nozzle 500 is rotated to realize clamping of the suction nozzle 500; when the suction nozzle 500 is taken out, the suction nozzle 500 is rotated first, and then the suction nozzle 500 is pulled out of the second accommodating cavity 330 along the axial direction.

Referring to fig. 2, it can be understood that, in the present embodiment, the positioning sleeve includes a fixed sleeve 200, a telescopic sleeve 300 and an elastic member 370, the fixed sleeve 200 is connected to the sleeve mounting seat 800, one end of the telescopic sleeve 300 is telescopically inserted into the fixed sleeve 200, the elastic member 370 is disposed inside the fixed sleeve 200 and can provide an elastic restoring force for the telescopic sleeve 300 to move away from the electric batch 100, and the suction nozzle 500 is detachably connected to the telescopic sleeve 300. When the screwing operation is performed, the screw is sucked to one end of the suction nozzle 500 far away from the telescopic shaft sleeve 300, and the suction nozzle 500 and the telescopic shaft sleeve 300 compress the elastic member 370, so that the elastic member 370 is deformed, and a pressing force is given to the screw through the elastic member 370, so that the screw can be better kept at the position of the required locking screw; meanwhile, the suction nozzle 500 can move relative to the batch rod 110 by virtue of the extension and retraction of the telescopic shaft sleeve 300, so that the batch rod 110 can enter the suction nozzle 500 more than the batch rod in the initial state, and the purpose of screwing a screw into a position to be screwed is achieved.

Referring to fig. 2, it can be understood that, in the present embodiment, in order to prevent the elastic member 370 from coming out of the end of the fixed sleeve 200 close to the electric screwdriver 100, the inner side of the fixed sleeve 200 close to the end of the electric screwdriver 100 is provided with a third protruding structure 210, and the end of the elastic member 370 away from the telescopic sleeve 300 abuts on the third protruding structure 210. And, specifically, the third protrusion structure 210 is an annular boss provided inside the fixed boss 200.

Referring to fig. 2, it can be understood that in the present embodiment, the screw locking and unlocking mechanism further includes a pressure sensor 380, and the pressure sensor 380 is located inside the fixed sleeve 200 and between the elastic member 370 and the telescopic sleeve 300. The pressing force of the telescopic shaft sleeve 300 and the suction nozzle 500 on the screw to be screwed can be monitored through the pressure sensor 380, so that whether the problems of sliding teeth and the like between the batch rod 110 and the screw occur or not can be judged according to the change of the pressing force in the screw locking process, and the correction can be performed in time; moreover, after the screw is tightened, if the depth of the screw is abnormal, a large deviation will occur between the pressing force detected by the pressure sensor 380 and the set value, so that the pressure sensor 380 can also assist in judging whether the tightened screw is within the required depth range; meanwhile, the pressure sensor 380 is arranged inside the fixed shaft sleeve 200, the pressure sensor 380 can be effectively protected, the pressure sensor 380 is prevented from being damaged, and the pressure sensor 380 is arranged between the elastic piece 370 and the telescopic shaft sleeve 300, so that the pressure measured by the pressure sensor 380 is closer to the pressing force of the suction nozzle 500 on the screw, and the measuring accuracy is better.

Referring to fig. 2, it can be understood that, in the present embodiment, an end of the telescopic shaft sleeve 300 inserted into the fixed shaft sleeve 200 is formed with a first receiving chamber 320, and the pressure sensor 380 and an end of the elastic member are disposed in the first receiving chamber 320. Specifically, the telescopic shaft sleeve 300 is detachably connected to the inside of the fixed shaft sleeve 200, and the elastic member 370 and the pressure sensor 380 can be replaced by detaching the telescopic shaft sleeve 300 from the fixed shaft sleeve 200, so that the pressure sensor 380 and the elastic member 370 can be adapted to the working requirements of screws of different specifications. Moreover, by arranging the first accommodating cavity 320 and arranging one end of the pressure sensor 380 and the elastic element 370 in the first accommodating cavity 320, when the telescopic shaft sleeve 300 is pulled out from the fixed shaft sleeve 200, the pressure sensor 380 and the elastic element 370 can be taken out together with the telescopic shaft sleeve 300, so that the elastic element 370 and the pressure sensor 380 are prevented from sliding down from the fixed shaft sleeve 200 under the influence of gravity and the like after the telescopic shaft sleeve 300 is pulled out from the fixed shaft sleeve 200 and separated, and the replacement efficiency of the elastic element 370 and the pressure sensor 380 is further influenced.

Referring to fig. 2 and 3, it can be understood that, in order to facilitate the installation of the suction nozzle 500 and to form a vacuum chamber to better suck a workpiece in cooperation with the suction nozzle 500, in the present embodiment, the end of the telescopic shaft sleeve 300 far away from the fixed shaft sleeve 200 is provided with a second accommodating cavity 330, and one end of the suction nozzle 500 is inserted into the second accommodating cavity 330. Specifically, the tightening nut 600 is screwed to an end of the telescopic shaft sleeve 300 far from the electric screwdriver 100, and the first protrusion structure 510 is pressed against an end surface of the telescopic shaft sleeve 300, that is, against the mouth edge of the second receiving cavity 330, by the second protrusion structure 610.

Referring to fig. 2 and 3, it can be understood that, in the present embodiment, the first receiving chamber 320 and the second receiving chamber 330 are respectively installed with a first positioning bearing 340 and a second positioning bearing 350, and the batch rod 110 passes through the first positioning bearing 340 and the second positioning bearing 350. The first positioning bearing 340 and the second positioning bearing 350 can be used for positioning the batch rod 110 in the telescopic shaft sleeve 300, so that the axial position accuracy of the batch rod 110 is ensured, that is, the batch rod 110 can better meet the concentricity requirement, and the problems of bending and the like of the batch rod 110 during the screwing operation are avoided.

Referring to fig. 2, it can be understood that, in the present embodiment, one end of the fixed shaft sleeve 200 close to the electric screwdriver 100 is further provided with a third positioning bearing 220, and the screwdriver rod 110 passes through the third positioning bearing 220; since the batch rod 110 has a long length, the concentricity of the batch rod 110 can be further improved by providing the third positioning bearing 220 to position the batch rod 110 in cooperation with the first positioning bearing 340 and the second positioning bearing 350. And, in particular, one end of the third positioning bearing 220 abuts on the third protruding structure 210 to assist in defining the axial position of the third positioning bearing 220 by the third protruding structure 210.

Referring to fig. 2 and 3, it can be understood that the telescopic shaft sleeve 300 is provided with a vacuum joint 400 communicating with the inside of the second accommodating cavity 330, and the second accommodating cavity 330 can be communicated with a vacuum generating device through the vacuum joint 400, so that negative pressure is generated in the second accommodating cavity 330 and the suction nozzle 500, and thus a screw can be sucked through the suction nozzle 500, and the problem that the batch rod 110 and the screw are misaligned in the process of screwing the screw is solved.

It can be understood that, in the embodiment, specifically, the second positioning bearing 350 is a sealing bearing, so that a closed space, i.e. a vacuum chamber, independent from the through hole and the first accommodating chamber 320 is formed inside the second accommodating chamber 330 and the suction nozzle 500, and the adsorption effect on the screw is further improved, so that the screw can be firmly adsorbed on the suction nozzle 500.

Referring to fig. 4, and, in particular, one end of the suction nozzle 500 away from the telescopic shaft sleeve 300 is provided with a countersunk hole 520, the countersunk hole 520 is used for accommodating a head of a screw to be tightened, a suction channel communicated with the countersunk hole 520 is formed inside the suction nozzle 500, and the suction channel is communicated with a vacuum chamber formed between the inside of the suction nozzle 500 and the second accommodating chamber 330.

Referring to fig. 2 and 3, it can be understood that, in this embodiment, the screw locking and unlocking mechanism further includes a vent shaft sleeve 360, the vent shaft sleeve 360 is disposed in the second accommodating cavity 330, one end of the vent shaft sleeve 360 abuts against the second positioning bearing 350, and the suction nozzle 500 abuts against the other end of the vent shaft sleeve 360, so that the axial position of the second positioning bearing 350 can be defined by the cooperation between the vent shaft sleeve 360 and the bottom cavity wall of the second accommodating cavity 330; specifically, a vent hole is provided on the vent bushing 360 to enable communication between the inside of the vent bushing 360 and the vacuum connector 400.

It will be appreciated that in this embodiment, the screw lock release mechanism further comprises a flow meter (not shown in the drawings) disposed on the vacuum line connecting the vacuum connector 400; the flowmeter can detect the gas flow in the vacuum pipeline when the suction nozzle 500 adsorbs the screw, if the gas flow is relatively small, the screw is normally adsorbed, and if the gas flow is large, the screw is not correctly adsorbed; in addition, compared with a method of measuring the air pressure or the vacuum degree inside the second accommodating cavity 330, the method of detecting the gas flow through the flow meter has the advantages that the detected data fluctuation is relatively small, so that misjudgment is not easy to cause, and the reliability of the detection result is relatively higher.

Referring to fig. 1 and 2, it can be understood that, in order to realize the fixed and detachable installation of the electric screwdriver 100, the screw lock detaching mechanism further includes an electric screwdriver installation seat 700 for fixing the electric screwdriver 100, the electric screwdriver installation seat 700 includes a seat body and a plurality of pressing blocks 720, a plurality of semicircular first grooves are formed on the seat body, a semicircular second groove is formed on the pressing blocks 720, the pressing blocks 720 are detachably connected to the seat body, and the second groove is opposite to the first groove to form an annular groove for pressing the electric screwdriver 100.

Referring to fig. 2, in this embodiment, specifically, two first grooves are disposed on the base body along the axial direction of the electric screwdriver 100, and similarly, two pressing blocks 720 are also disposed, and a second groove on each pressing block 720 corresponds to one first groove, so that two annular grooves for pressing the electric screwdriver 100 are formed on the electric screwdriver mounting base 700. It should be understood that, besides two first grooves and two pressing blocks 720, in other embodiments, only one first groove and one pressing block 720 may be provided, or three or more first grooves and three or more pressing blocks 720 may be provided, which is not limited herein.

Referring to fig. 1 and 2, it can be understood that, in the present embodiment, the bushing mount 800 is detachably coupled to the electric screwdriver mount 700 by screws. In addition, specifically, the seat body comprises a connecting plate 711 and a fixing plate 712, wherein two fixing plates 712 are vertically connected to the connecting plate 711 respectively, the first groove is formed in the fixing plate 712, the connecting plate 711 is used for connecting the whole screw locking and unlocking mechanism to the moving mechanism of the screw machine, and a plurality of third mounting holes are formed in the connecting plate 711, so that the connecting plate 711 can be detachably mounted and fixed through screws penetrating through the third mounting holes; in addition, specifically, a plurality of fourth mounting holes are formed in one side of the fixing plate 712 facing the pressing block 720, and fifth mounting holes are formed in positions of the pressing block 720 corresponding to the fourth mounting holes, so that the pressing block 720 is detachably connected to the fixing plate 712 through screws penetrating through the fourth mounting holes and the fifth mounting holes; the fixing plate 712 and the pressing block 720 which are close to the shaft sleeve mounting seat 800 are provided with a plurality of sixth mounting holes, the position of the shaft sleeve mounting seat 800 corresponding to the sixth mounting holes is provided with seventh mounting holes, and the shaft sleeve mounting seat 800 is detachably connected to the screwdriver mounting seat 700 through screws penetrating through the sixth mounting holes and the seventh mounting holes.

Screws of different specifications need different torques to be screwed, so that the screwdriver 100 needs to be replaced to meet different torque driving requirements under some conditions, and the screwdriver mounting seat 700 can be replaced along with the screwdriver 100 through the third mounting hole in the connecting plate 711; when the electric screwdriver 100 needs to be replaced, firstly, the shaft sleeve mounting seat 800 needs to be detached from the electric screwdriver mounting seat 700, then each pressing block 720 is detached, the electric screwdriver 100 can be taken down at the moment, then the original base body is detached, a new base body is installed, finally, the new electric screwdriver 100 is placed in the first groove of the new base body, and each new pressing block 720 and each shaft sleeve mounting seat 800 are sequentially connected.

Referring to fig. 2, it can be understood that, in order to implement the detachable connection of the whole positioning shaft sleeve, in this embodiment, specifically, a flange 230 is disposed at one end of the fixing shaft sleeve 200 close to the electric screwdriver 100, a first mounting hole is disposed on the flange 230, a second mounting hole corresponding to the first mounting hole is disposed on the shaft sleeve mounting seat 800, and the fixing shaft sleeve 200 is connected to the shaft sleeve mounting seat 800 through screws penetrating through the first mounting hole and the second mounting hole in a one-to-one correspondence manner.

The screw machine according to the second aspect of the present invention includes the screw locking and detaching mechanism according to the first aspect of the present invention, and by using the screw locking and detaching mechanism according to the first aspect of the present invention, when screws of different specifications need to be locked and detached, the screw driver 110 can be quickly replaced, thereby effectively improving the working efficiency of the screw machine during the screw locking and detaching operation.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (18)

1. A screw lock removal mechanism, comprising:

one end of the electric screwdriver is detachably connected with a screwdriver rod;

the electric screwdriver is characterized by comprising a shaft sleeve mounting seat, a screwdriver rod and a screwdriver, wherein the shaft sleeve mounting seat is fixed on one side of the screwdriver and is arranged in a hollow mode, a connecting part of the screwdriver rod and the screwdriver is positioned in the shaft sleeve mounting seat, and an opening is formed in the side face of the shaft sleeve mounting seat and can allow a hand or a disassembling tool to enter the shaft sleeve mounting seat to release the connection between the screwdriver rod and the screwdriver;

the positioning shaft sleeve is fixed on the shaft sleeve mounting seat, is sleeved on the outer side of the batched rod and is used for positioning the batched rod;

the suction nozzle is detachably connected to one end, far away from the electric screwdriver, of the positioning shaft sleeve, and one end of the screwdriver rod extends into the suction nozzle.

2. The screw lock disassembling mechanism according to claim 1, wherein the suction nozzle and the positioning sleeve are clamped by a clamping block and a rotary clamping groove which are matched with each other.

3. The screw lock disassembling mechanism according to claim 1, further comprising a tightening nut threadedly connected to an end of the positioning sleeve away from the screwdriver, wherein an end of the suction nozzle is inserted into the positioning sleeve, a first protrusion structure is disposed outside the suction nozzle, and a second protrusion structure is disposed on the tightening nut to press the first protrusion structure against an end face of the positioning sleeve.

4. The screw lock disassembling mechanism according to claim 1, wherein the positioning sleeve includes a fixed sleeve, a telescopic sleeve and an elastic member, the fixed sleeve is connected to the sleeve mounting seat, one end of the telescopic sleeve is telescopically inserted into the fixed sleeve, the elastic member is disposed inside the fixed sleeve and can provide an elastic restoring force for the telescopic sleeve to move towards a side away from the screwdriver, and the suction nozzle is detachably connected to the telescopic sleeve.

5. The screw lock disassembling mechanism according to claim 4, wherein a third protrusion structure is disposed on an inner side of the fixing sleeve near an end of the screwdriver, and an end of the elastic member far from the telescopic sleeve abuts against the third protrusion structure.

6. The screw lock disassembly mechanism of claim 4 further comprising a pressure sensor, wherein the pressure sensor is located inside the fixed bushing and between the elastic member and the telescopic bushing.

7. The screw lock detaching mechanism according to claim 6, wherein a first receiving cavity is formed at an end of the telescopic shaft sleeve inserted into the fixed shaft sleeve, and the pressure sensor and an end of the elastic member are disposed in the first receiving cavity.

8. The screw lock disassembling mechanism according to claim 7, wherein a second accommodating cavity is formed at an end of the telescopic shaft sleeve away from the fixed shaft sleeve, and an end of the suction nozzle is inserted into the second accommodating cavity.

9. The screw lock disassembling mechanism according to claim 8, wherein the first accommodating cavity and the second accommodating cavity are respectively provided with a first positioning bearing and a second positioning bearing, and the batch rod passes through the first positioning bearing and the second positioning bearing.

10. A screw lock release mechanism as claimed in claim 9, wherein a third locating bearing is provided at an end of the fixing sleeve adjacent the electric screwdriver, the screwdriver rod passing through the third locating bearing.

11. The screw lock disassembling mechanism according to claim 9, wherein a vacuum joint communicating with the inside of the second accommodating chamber is provided on the telescopic shaft sleeve.

12. A screw lock release mechanism according to claim 11, wherein the second locating bearing is a sealed bearing.

13. The screw lock detaching mechanism according to claim 11, further comprising a vent bushing disposed in the second accommodating cavity, wherein one end of the vent bushing abuts against the second positioning bearing, and the suction nozzle abuts against the other end of the vent bushing.

14. The screw lock disassembly mechanism of claim 11 further comprising a flow meter disposed on the vacuum line connecting the vacuum connection.

15. A screw lock release mechanism according to any one of claims 1 to 14, further comprising a screwdriver mounting seat for fixing the screwdriver, wherein the screwdriver mounting seat comprises a seat body and a plurality of pressing blocks, the seat body is formed with a plurality of semicircular first grooves, the pressing blocks are provided with semicircular second grooves, the pressing blocks are detachably connected to the seat body, and the second grooves are opposite to the first grooves to form annular grooves for pressing the screwdriver.

16. The screw lock release mechanism of claim 15, wherein the bushing mount is removably attached to the screwdriver mount via a screw.

17. A screw lock detaching mechanism according to any one of claims 4 to 14, wherein a flange is provided at an end of the fixing sleeve close to the screwdriver, a first mounting hole is provided on the flange, a second mounting hole corresponding to the first mounting hole in a one-to-one manner is provided on the sleeve mounting seat, and the fixing sleeve is connected to the sleeve mounting seat through screws inserted into the first mounting hole and the second mounting hole in a one-to-one manner.

18. A screw machine comprising a screw lock release mechanism as claimed in any one of claims 1 to 17.

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