CN216858848U - Screw lock disassembling mechanism and screw machine with same - Google Patents

Abstract

The utility model discloses a screw locking and unlocking mechanism and a screw machine with the same, wherein the screw locking and unlocking mechanism comprises an electric screwdriver, a positioning shaft sleeve and an elastic piece; the positioning shaft sleeve comprises a fixed shaft sleeve and a telescopic shaft sleeve, one end of the electric screwdriver is connected with a screwdriver rod, the fixed shaft sleeve is hollow and fixed on one side of the electric screwdriver, and the fixed shaft sleeve is sleeved on the outer side of the screwdriver rod; a through hole is formed in the telescopic shaft sleeve to penetrate through the batch rod, and one end of the telescopic shaft sleeve is telescopically inserted in the fixed shaft sleeve and is detachably connected with the fixed shaft sleeve; the elastic piece is arranged in the fixed shaft sleeve and used for providing elastic restoring force for the telescopic shaft sleeve to move away from one side of the screwdriver. The screw locking and unlocking mechanism can replace the elastic piece in a quicker way, thereby improving the efficiency of screw locking operation.

Description

Screw lock disassembling mechanism and screw machine with same

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 with the same.

Background

In the related technology, the screw locking and unlocking mechanism comprises an electric screwdriver, a screwdriver rod, a suction nozzle, a positioning shaft sleeve and the like, wherein the positioning shaft sleeve is used for positioning the screwdriver rod and comprises a fixed shaft sleeve and a telescopic shaft sleeve which is telescopically arranged in the fixed shaft sleeve; according to different specifications of screws, the auxiliary pressing force required during screw locking is different, so that different elastic pieces need to be replaced according to different screws, and the screw locking and unlocking mechanism is troublesome in replacing springs, so that the efficiency of screw locking operation is influenced to a certain extent.

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 replace an elastic piece in a quicker way so as to improve the efficiency of screw locking operation.

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 positioning shaft sleeve and an elastic piece; the positioning shaft sleeve comprises a fixed shaft sleeve and a telescopic shaft sleeve, one end of the electric screwdriver is connected with a screwdriver rod, the fixed shaft sleeve is hollow and fixed on one side of the electric screwdriver, and the fixed shaft sleeve is sleeved on the outer side of the screwdriver rod; a through hole is formed in the telescopic shaft sleeve to penetrate through the batch rod, and one end of the telescopic shaft sleeve is telescopically inserted in the fixed shaft sleeve and is detachably connected with the fixed shaft sleeve; the elastic piece is arranged in the fixed shaft sleeve and used for providing elastic restoring force for the telescopic shaft sleeve to move away from one side of the screwdriver.

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

in this embodiment, because the telescopic shaft sleeve is in detachable form sliding connection on the fixed shaft sleeve, when the elastic component needs to be changed, only need to pull the telescopic shaft sleeve on from the fixed shaft sleeve to remove, can take out and change the elastic component, and need not to pull the whole positioning shaft sleeve down, therefore the change of elastic component is more swift, also is favorable to promoting the efficiency when screw locking operation.

According to some embodiments of the first aspect of the present invention, the screw locking and unlocking mechanism further includes a first adjusting nut, the first adjusting nut is threadedly connected to an end of the fixed shaft sleeve, the end is away from the screwdriver, a first protruding structure is disposed on an outer side of the telescopic shaft sleeve, a second protruding structure is formed on an inner side of the first adjusting nut, and the first protruding structure is located between the second protruding structure and an end surface of the fixed shaft sleeve.

According to the screw locking and unlocking mechanism of some embodiments of the first aspect of the present invention, a locking groove is formed on an outer side of the telescopic shaft sleeve, and the first protrusion structure is a retaining ring clamped in the locking groove.

According to some embodiments of the screw lock release mechanism of the first aspect of the present invention, the second protrusion is an annular projection disposed inside the first adjusting nut.

According to some embodiments of the first aspect of the present invention, the screw locking and unlocking mechanism further includes a second adjusting nut, and the second adjusting nut is screwed to one end of the fixed sleeve, which is screwed to the first adjusting nut.

According to the screw locking and unlocking mechanism of some embodiments of the first aspect of the present invention, the outer side of the telescopic shaft sleeve is provided with the telescopic elastic pin, the fixed shaft sleeve is provided with the sliding groove extending along the axial direction, the elastic pin is clamped in the sliding groove, and when the elastic pin retracts into the telescopic shaft sleeve, the elastic pin can be separated from the sliding groove.

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 the screw locking and unlocking mechanism of some embodiments of the first aspect of the present invention, a second accommodating cavity is formed at an end of the telescopic shaft sleeve away from the fixed shaft sleeve, the through hole communicates the first accommodating cavity and the second accommodating cavity, a first positioning bearing and a second positioning bearing are respectively installed in the first accommodating cavity and the second accommodating cavity, and the batch rod passes through the first positioning bearing and the second positioning bearing.

According to the screw locking and unlocking mechanism of some embodiments of the first aspect of the present invention, a vacuum joint communicated with the inside of the second accommodating cavity is disposed on the telescopic shaft sleeve, and a suction nozzle is detachably connected to an opening of the second accommodating cavity.

According to some embodiments of the screw lock release mechanism according to 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 tightening nut threadedly connected to an end of the telescopic shaft sleeve far away from the fixed shaft sleeve, one end of the suction nozzle is inserted into the second accommodating cavity, and a fourth protruding structure is disposed on an outer side of the suction nozzle, and the tightening nut is provided with a fifth protruding structure to press the fourth protruding structure against an end face of the telescopic shaft sleeve.

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 screw locking and unlocking mechanism of the first aspect of the present invention, the suction nozzle and the telescopic shaft 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 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 first aspect of the present invention, the screw locking and unlocking mechanism further includes a shaft sleeve mounting seat, the shaft sleeve mounting seat is connected to the screwdriver mounting seat, and the fixing shaft sleeve is connected to the shaft sleeve mounting seat.

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 the screw lock disassembling mechanism of some embodiments of the first aspect of the utility model, the shaft sleeve mounting seat is arranged in a hollow manner, the batch rod is detachably connected with the electric batch, the batch rod penetrates through the shaft sleeve mounting seat, the connection part of the batch rod and the electric batch is positioned in the shaft sleeve mounting seat, and the side face of the shaft sleeve mounting seat is provided with an opening which can allow a hand or a disassembling tool to enter the shaft sleeve mounting seat to disassemble the connection of the batch rod and the electric batch.

According to some embodiments of the screw lock release mechanism of the first aspect of the present invention, the bushing mount is removably attached to the screwdriver mount via a screw.

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: due to the fact that the screw lock disassembling mechanism of the first aspect is adopted, when screws of different specifications are locked, only the telescopic shaft sleeve needs to be disassembled from the fixed shaft sleeve, the elastic piece can be taken out and replaced, and therefore the screw lock disassembling mechanism can be rapidly adapted to operation requirements of screws of different specifications, and efficiency of screw locking operation is improved.

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 second adjusting nut 240, the telescopic shaft sleeve 300, the first protruding structure 310, 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 first adjusting nut 390, the second protruding structure 391, the vacuum connector 400, the suction nozzle 500, the fourth protruding structure 510, the countersunk hole 520, the tightening nut 600, the fifth 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 and 2, the screw locking and unlocking mechanism of the present embodiment includes a screwdriver 100, a positioning sleeve and an elastic member 370; the positioning shaft sleeve comprises a fixed shaft sleeve 200 and a telescopic shaft sleeve 300, one end of the electric screwdriver 100 is connected with the screwdriver rod 110, the fixed shaft sleeve 200 is hollow and fixed on one side of the electric screwdriver 100, and the fixed shaft sleeve 200 is sleeved on the outer side of the screwdriver rod 110; a through hole is formed inside the telescopic shaft sleeve 300 to penetrate through the batch rod 110, and one end of the telescopic shaft sleeve 300 is telescopically inserted into the fixed shaft sleeve 200 and detachably connected with the fixed shaft sleeve 200; the elastic member 370 is disposed inside the fixed sleeve 200 and is used for providing an elastic restoring force to the telescopic sleeve 300 moving away from the electric screwdriver 100.

In this embodiment, since the telescopic shaft sleeve 300 is slidably connected to the fixed shaft sleeve 200 in a detachable manner, when the elastic member 370 needs to be replaced, the elastic member 370 can be taken out and replaced only by detaching the telescopic shaft sleeve 300 from the fixed shaft sleeve 200, and the whole positioning shaft sleeve does not need to be detached, so that the elastic member 370 can be replaced more quickly, and the efficiency of the screw locking operation can be improved.

Referring to fig. 1 and 2, it can be understood that, in the present embodiment, in order to enable the telescopic shaft sleeve 300 to be slidably connected to the fixed shaft sleeve 200 in a detachable manner, specifically, the screw lock detaching mechanism further includes a first adjusting nut 390, the first adjusting nut 390 is screwed to an end of the fixed shaft sleeve 200 away from the electric batch 100, a first protruding structure 310 is disposed on an outer side of the telescopic shaft sleeve 300, a second protruding structure 391 is formed on an inner side of the first adjusting nut 390, and the first protruding structure 310 is located between the second protruding structure 391 and an end surface of the fixed shaft sleeve 200; and, the distance between the second protrusion structure 391 and the end surface of the fixed shaft sleeve 200 is greater than the width of the first protrusion structure 310, so that the first protrusion structure 310 can slide between the second protrusion structure 391 and the end surface of the fixed shaft sleeve 200, that is, the telescopic shaft sleeve 300 can slide relative to the fixed shaft sleeve 200.

When the elastic member 370 needs to be replaced, the first adjusting nut 390 may be unscrewed from the fixed shaft sleeve 200, and then the retractable shaft sleeve 300 is pulled out from the fixed shaft sleeve 200, at this time, the elastic member 370 may be taken out and replaced, and then the one end of the retractable shaft sleeve 300 is inserted back into the fixed shaft sleeve 200 again, and the first adjusting nut 390 is screwed onto the fixed shaft sleeve 200 again, thereby completing the whole replacement and installation process of the elastic member 370.

It is understood that, in the present embodiment, specifically, the elastic member 370 selects a compression spring; of course, in other embodiments, the elastic member 370 may alternatively be another type of elastic member 370, such as a compressible elastic silicone block or a rubber block, as long as it can provide an elastic restoring force of a suitable magnitude for the telescopic shaft sleeve 300 to move away from the electric batch 100, and is not limited in this regard.

Referring to fig. 1 and 2, it can be understood that, in the present embodiment, in order to facilitate the processing and forming, specifically, a clamping groove is disposed on an outer side of the telescopic shaft sleeve 300, and the first protrusion structure 310 is a retaining ring clamped in the clamping groove; it should be understood that, according to practical circumstances, in other embodiments, the first protruding structure 310 may also be an annular boss or other protruding structures integrally formed with the body of the telescopic shaft sleeve 300, as long as the first protruding structure 310 can be defined between the second protruding structure 391 and the end surface of the fixed shaft sleeve 200, which is not specifically limited herein.

Referring to fig. 1 and 2, it can be appreciated that, in the present embodiment, for the convenience of machining, in particular, the second protrusion structure 391 is an annular boss provided inside the first adjustment nut 390; moreover, it should be understood that, according to practical situations, in other embodiments, the second protrusion structure 391 may also be a plurality of protrusions distributed at intervals along the circumferential direction inside the first adjusting nut 390, or other types of protrusion structures, as long as the second protrusion structure 391 can define the sliding stroke of the first protrusion structure 310 together with the end surface of the fixed shaft sleeve 200, and is not specifically limited herein.

Referring to fig. 1 and 2, it can be understood that, in the present embodiment, the screw lock detaching mechanism further includes a second adjusting nut 240, the second adjusting nut 240 is screwed to the end of the fixed shaft sleeve 200 where the first adjusting nut 390 is screwed, the position of the second adjusting nut 240 on the fixed shaft sleeve 200 can be adjusted by rotating the second adjusting nut 240, and thus the depth that the first adjusting nut 390 can be screwed to the fixed shaft sleeve 200 can be adjusted, and the depth that the first adjusting nut 390 is screwed to the fixed shaft sleeve 200 will determine the length of the whole positioning shaft sleeve, the length of the positioning shaft sleeve will affect the position of the end of the batcher 110 away from the electric batch 100 in a suction nozzle (mentioned in detail below), so that the position of the batch head for batch bar operation in the suction nozzle can be adjusted by the second adjusting nut 240.

It should be understood that, in order to realize the sliding connection of the telescopic shaft sleeve 300 to the fixed shaft sleeve 200 in a detachable manner, in other embodiments, a telescopic elastic pin may be provided at the outer side of the telescopic shaft sleeve 300, and a sliding groove extending in the axial direction may be provided on the fixed shaft sleeve 200, the elastic pin is clamped in the sliding groove, and when the elastic pin is retracted into the telescopic shaft sleeve 300, the elastic pin can be disengaged from the sliding groove; when elastic component 370 needs to be replaced, the elastic pin can be retracted into telescopic shaft sleeve 300 through pressing, the elastic pin is separated from the chute at the moment, then telescopic shaft sleeve 300 is pulled, telescopic shaft sleeve 300 is pulled out from fixed shaft sleeve 200, elastic component 370 can be taken out and replaced, after elastic component 370 is replaced, the elastic pin is pressed again, elastic component 370 and telescopic shaft sleeve 300 are inserted into fixed shaft sleeve 200 again, and finally the elastic pin is automatically popped out and clamped into the chute, so that the whole replacement and installation process of elastic component 370 is completed.

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 shaft sleeve 200 close to the electric screwdriver 100, the inner side of the fixed shaft 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 shaft 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 lock releasing mechanism further includes a pressure sensor 380, the pressure sensor 380 is located inside the fixed shaft sleeve 200 and between the elastic member 370 and the telescopic shaft sleeve 300, and the pressing force of the telescopic shaft sleeve 300 and a suction nozzle 500 (mentioned in detail below) on the screw to be screwed can be monitored by the pressure sensor 380, so that it can be determined whether the problem of thread slipping between the batch rod 110 and the screw occurs or not according to the change of the pressing force during the screw locking process, so as to correct the problem in time; moreover, after the screw is tightened, if the depth of the screw tightening is abnormal, a large deviation will occur between the pressing force detected by the pressure sensor 380 and a set value, so that the pressure sensor 380 can assist in judging whether the tightened screw is within the required tightening 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 one ends of the pressure sensor 380 and the elastic member 370 are disposed in the first receiving chamber 320. Through setting up first accommodation chamber 320 to place pressure sensor 380 and the one end of elastic component 370 in first accommodation chamber 320, when taking telescopic shaft sleeve 300 out from fixed axle sleeve 200, pressure sensor 380 and elastic component 370 will be taken out together along with telescopic shaft sleeve 300, thereby avoid elastic component 370 and pressure sensor 380 will be from fixed axle sleeve 200 internal slipping under the influence such as action of gravity after telescopic shaft sleeve 300 is taken out from fixed axle sleeve 200, and then influence the replacement efficiency of elastic component 370.

It should be understood that the pressure sensor 380 can be replaced according to the pressing force required by the screw for ensuring the measurement accuracy, and the method for removing and replacing the pressure sensor 380 is substantially the same as the elastic member 370.

Referring to fig. 2 and 3, it can be understood that, in this embodiment, a second accommodating cavity 330 is disposed at one end of the telescopic shaft sleeve 300 away from the fixed shaft sleeve 200, the through hole communicates with the first accommodating cavity 320 and the second accommodating cavity 330, a first positioning bearing 340 and a second positioning bearing 350 are respectively mounted in the first accommodating cavity 320 and the second accommodating cavity 330, the batch rod 110 passes through the first positioning bearing 340 and the second positioning bearing 350, and the batch rod 110 can be positioned in the telescopic shaft sleeve 300 by the first positioning bearing 340 and the second positioning bearing 350, so as to ensure the position accuracy of the batch rod 110 in the axial direction, that is, the batch rod 110 can better meet the concentricity requirement, so as to prevent the batch rod 110 from bending and other problems during the screwing operation.

Referring to fig. 2, it can be understood that, in the present embodiment, a third positioning bearing 220 is further disposed at one end of the fixed shaft sleeve 200 close to the electric batch 100, and the batch rod 110 passes through the third positioning bearing 220; due to the long length of the batch rod 110, 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 screw lock detaching mechanism further includes a suction nozzle 500, the telescopic shaft sleeve 300 is provided with a vacuum joint 400 communicated with the inside of the second accommodating chamber 330, the suction nozzle 500 is detachably connected to an opening 810 of the second accommodating chamber 330, and one end of the batch rod 110 far away from the electric batch, that is, one end of the batch rod 110 having a batch head for work, extends to the inside of the suction nozzle; the second receiving cavity 330 can be communicated with the vacuum generating device through the vacuum connector 400, so that negative pressure is generated in the second receiving cavity 330 and the suction nozzle 500, a screw can be sucked through the suction nozzle 500, and the problem that the batch rod 110 and the screw are deviated in the process of screwing the screw is avoided.

Referring to fig. 4, and, in particular, one end of the suction nozzle 500, which is far away from the telescopic shaft sleeve 300, is provided with a counter bore 520, the counter bore 520 is used for accommodating a head of a screw to be tightened, and a suction passage communicated with the counter bore 520 is formed inside the suction nozzle 500 and 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 the present embodiment, specifically, the second positioning bearing 350 is a sealing bearing, so that a closed vacuum chamber independent from the through hole and the first receiving chamber 320 is formed inside the second receiving chamber 330 and the suction nozzle 500, and further, the adsorption effect on the screw is improved, so that the screw can be firmly adsorbed on the suction nozzle 500.

It will be appreciated that the suction nozzle 500 is detachably coupled to the telescopic bushing 300 so that the suction nozzle 500 can be replaced with screws of different specifications.

Referring to fig. 2 and 3, in the present embodiment, specifically, the screw locking and unlocking mechanism further includes a tightening nut 600 threadedly coupled to an end of the telescopic shaft sleeve 300 far from the fixed shaft sleeve 200, an end of the suction nozzle 500 is inserted into the second receiving cavity 330, and a fourth protrusion structure 510 is disposed on an outer side of the suction nozzle 500, and the tightening nut 600 is provided with a fifth protrusion structure 610 to press the fourth protrusion structure 510 against an end surface of the telescopic shaft sleeve 300; when the suction nozzle 500 needs to be replaced, the tightening nut 600 is rotated to be disengaged from the telescopic shaft sleeve 300, then the suction nozzle 500 is pulled out of the second accommodating cavity 330, one end of a new suction nozzle 500 is inserted into the second accommodating cavity 330, and finally the tightening nut 600 is tightened again.

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 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 telescopic shaft sleeve 300 and the suction nozzle 500 may be provided with a rotation slot and a fixture block respectively, which are matched with each other; for example, a rotary clamping groove may be formed on an inner wall of the second accommodating cavity 330, 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 telescopic shaft sleeve 300 and an arc-shaped clamping section circumferentially arranged along the telescopic shaft sleeve 300; when the suction nozzle 500 is clamped into the second accommodating cavity 330, the fixture block is aligned to the inlet section, then the suction nozzle 500 is pushed in the axial direction of the telescopic shaft sleeve 300 to be inserted into the second accommodating cavity 330, at this time, 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.

It is understood that in the present embodiment, the screw locking and unlocking mechanism further includes a flow meter (not shown in the drawings), and the flow meter is disposed on the vacuum pipe connected to 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. 1 and 2, in the present embodiment, specifically, two first grooves are disposed on the seat body along the axial direction of the electric screwdriver 100, and likewise, 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 seat 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 order to fix the fixed shaft sleeve 200 and the telescopic shaft sleeve 300, the screw lock disassembling mechanism further includes a shaft sleeve mounting seat 800, the shaft sleeve mounting seat 800 is connected to the screwdriver mounting seat 700, and the fixed shaft sleeve 200 is connected to the shaft sleeve mounting seat 800. And, specifically, one end of the fixed shaft sleeve 200 close to the electric screwdriver 100 is provided with a flange 230, the flange 230 is provided with a first mounting hole, the shaft sleeve mounting seat 800 is provided with a second mounting hole corresponding to the first mounting hole one by one, and the fixed 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 one-to-one correspondence.

Referring to fig. 1 and 2, it can be understood that a shaft sleeve mounting seat 800 is hollow, a batch rod 110 is detachably connected with an electric batch 100, the batch rod 110 passes through the shaft sleeve mounting seat 800, the connection part of the batch rod 110 and the electric batch 100 is positioned in the shaft sleeve mounting seat 800, an opening 810 is arranged on the side surface 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 disassemble the batch rod 110 and the electric batch 100.

And, in particular, an end of the batch bar 110 remote from the electric batch 100 extends to the inside of the suction nozzle 500, since the suction nozzle 500 is detachably coupled to the telescopic shaft 300, when the suction nozzle 500 is removed, the end of the batch bar 110 remote from the electric batch 100 will be exposed to the outside.

The opening 810 is arranged on the shaft sleeve mounting seat 800, and the detachable connection of the suction nozzle 500 is assisted, so that the batch rod 110 can be quickly replaced; when the batch rod 110 needs to be replaced, the suction nozzle 500 can be firstly detached from the telescopic shaft sleeve 300, so that one end of the batch rod 110 extending into the suction nozzle 500 is exposed to the outside, then an operator holds the end of the batch rod 110 with a first hand, and 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 holds a tool with the other hand, so that the tool extends into the shaft sleeve mounting seat 800 through the opening 810 on the shaft sleeve mounting seat 800, the connection between the other end of the batch rod 110 and the electric batch 100 is released, and then the batch rod 110 is pulled to the side far away from the electric batch 100 with the first hand, so that the batch rod 110 can be pulled out from the shaft sleeve mounting seat 800 and the telescopic shaft sleeve 300, and the batch rod 110 can be detached; when another new batch rod 110 is re-installed, an operator can firstly insert one end of the batch rod 110 for connecting the electric batch 100 into the telescopic shaft sleeve 300 from the side of the telescopic shaft sleeve 300 far away from the shaft sleeve mounting seat 800 by using a first hand, and enable one end of the batch rod 110 for connecting the electric batch 100 to 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, the suction nozzle 500 is re-installed at one end of the telescopic shaft sleeve 300 far away from the electric batch 100, so that the batch rod 110 can be replaced.

It is understood that the bushing mount 800 is detachably coupled to the electric screwdriver mount 700 by screws. Referring to fig. 1 and 2, in particular, the base includes a connecting plate 711 and a fixing plate 712, wherein the fixing plate 712 has two parts which are respectively vertically connected to the connecting plate 711, and a first groove is disposed on 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 disposed on the connecting plate 711, so that the connecting plate 711 can be detachably mounted and fixed by 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 positions of the shaft sleeve mounting seat 800 corresponding to the sixth mounting holes are 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.

The screw machine of the embodiment of the second aspect of the utility model comprises the screw locking and unlocking mechanism of the embodiment of the first aspect; the screw machine of this embodiment is owing to adopted the screw lock of above-mentioned first aspect to tear mechanism open, when locking the operation to the screw of different specifications, only needs to demolish telescopic shaft sleeve 300 from fixed axle sleeve 200, can take out and change elastic component 370 to make the screw lock tear mechanism open the operation demand that can the different specification screws of quick adaptation, thereby efficiency when being favorable to promoting screw locking 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 (22)

1. A screw lock removal mechanism, comprising:

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

the fixed shaft sleeve is hollow and fixed on one side of the electric screwdriver, and the fixed shaft sleeve is sleeved on the outer side of the screwdriver rod;

the telescopic shaft sleeve is internally provided with a through hole for penetrating the batch rod, and one end of the telescopic shaft sleeve is telescopically inserted into the fixed shaft sleeve and is detachably connected with the fixed shaft sleeve;

the elastic piece is arranged in the fixed shaft sleeve and used for providing elastic restoring force for keeping away from the electric screwdriver on one side.

2. The screw lock disassembling mechanism according to claim 1, further comprising a first adjusting nut, wherein the first adjusting nut is connected to one end of the fixed shaft sleeve, which is far away from the screwdriver, in a threaded manner, a first protruding structure is arranged on the outer side of the telescopic shaft sleeve, a second protruding structure is formed on the inner side of the first adjusting nut, and the first protruding structure is located between the second protruding structure and the end surface of the fixed shaft sleeve.

3. The screw lock disassembling mechanism according to claim 2, wherein a groove is formed in an outer side of the telescopic shaft sleeve, and the first protrusion structure is a retainer ring clamped in the groove.

4. A screw lock release mechanism according to claim 2, wherein the second projection means is an annular boss provided on the inside of the first adjusting nut.

5. The screw lock disassembling mechanism according to claim 2, further comprising a second adjusting nut, wherein the second adjusting nut is screwed to one end of the fixed sleeve, which is screwed to the first adjusting nut.

6. The screw lock disassembling mechanism according to claim 1, wherein a retractable elastic pin is disposed outside the retractable sleeve, a sliding groove extending in the axial direction is disposed on the fixed sleeve, the elastic pin is clamped in the sliding groove, and when the elastic pin retracts into the retractable sleeve, the elastic pin can be disengaged from the sliding groove.

7. The screw lock disassembling mechanism according to claim 1, 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.

8. The screw lock release mechanism of claim 1, further comprising a pressure sensor located within the fixed collar and between the resilient member and the retractable collar.

9. The screw lock release mechanism of claim 8, wherein the end of the extension sleeve inserted into the fixed sleeve forms a first receiving cavity, and the pressure sensor and one end of the elastic member are disposed in the first receiving cavity.

10. The screw lock disassembling mechanism according to claim 9, wherein a second accommodating chamber is provided at an end of the telescopic shaft sleeve away from the fixed shaft sleeve, the through hole communicates with the first accommodating chamber and the second accommodating chamber, a first positioning bearing and a second positioning bearing are respectively installed in the first accommodating chamber and the second accommodating chamber, and the screw rod passes through the first positioning bearing and the second positioning bearing.

11. The screw lock disassembling mechanism according to claim 10, wherein a vacuum connector communicating with the inside of the second accommodating chamber is provided on the telescopic shaft sleeve, and a suction nozzle is detachably connected to an opening of the second accommodating chamber.

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

13. The screw lock disassembling mechanism according to claim 11, further comprising a tightening nut threadedly coupled to an end of the telescopic shaft sleeve remote from the fixed shaft sleeve, wherein an end of the suction nozzle is inserted into the second accommodating cavity, a fourth protrusion structure is disposed outside the suction nozzle, and the tightening nut has a fifth protrusion structure to press the fourth protrusion structure against an end surface of the telescopic shaft sleeve.

14. The screw lock disassembling mechanism according to claim 13, further comprising a ventilation sleeve disposed in the second accommodating chamber, wherein one end of the ventilation sleeve abuts against the second positioning bearing, and the suction nozzle abuts against the other end of the ventilation sleeve.

15. The screw lock disassembling mechanism according to claim 11, wherein said suction nozzle and said telescopic shaft sleeve are engaged with each other by a locking block and a rotation locking groove engaged with each other.

16. The screw lock release mechanism of claim 11, further comprising a flow meter disposed on a vacuum line connecting the vacuum fitting.

17. The screw lock disassembly mechanism of any one of claims 1 to 16 further comprises an electric screwdriver mounting seat for fixing the electric screwdriver, wherein the electric screwdriver mounting seat comprises a seat body and a plurality of pressing blocks, a plurality of semicircular first grooves are formed in the seat body, a semicircular second groove is formed in the pressing block, the pressing block is 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.

18. The screw lock release mechanism of claim 17, further comprising a bushing mount, wherein the bushing mount is connected to the screwdriver mount, and wherein the fixed bushing is connected to the bushing mount.

19. The screw lock disassembly mechanism of claim 18 wherein the fixing shaft sleeve is provided with a flange at an end thereof near the screwdriver, the flange is provided with a first mounting hole, the shaft sleeve mounting seat is provided with a second mounting hole corresponding to the first mounting hole, and the fixing shaft sleeve is connected to the shaft sleeve mounting seat by screws passing through the first mounting hole and the second mounting hole in a one-to-one correspondence manner.

20. The screw lock unlocking mechanism according to claim 18, wherein the shaft sleeve mounting seat is hollow, the screwdriver rod is detachably connected with the electric screwdriver, the screwdriver rod penetrates through the shaft sleeve mounting seat, the connection part of the screwdriver rod and the electric screwdriver is located in the shaft sleeve mounting seat, and an opening is arranged on the side face of the shaft sleeve mounting seat and can allow a human hand or a dismounting tool to enter the shaft sleeve mounting seat to unlock the screwdriver rod and the electric screwdriver.

21. The screw lock release mechanism of claim 18, wherein the bushing mount is removably attached to the screwdriver mount by screws.

22. A screw machine comprising a screw lock release mechanism as claimed in any one of claims 1 to 21.

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