CN217168380U

CN217168380U - Screw clamping, rotating, dismounting device

Info

Publication number: CN217168380U
Application number: CN202220364160.4U
Authority: CN
Inventors: 安瑞桢; 刘涛; 于杰夫; 于清杰
Original assignee: Dalian Youlian Intelligent Equipment Co ltd
Current assignee: Dalian Youlian Intelligent Equipment Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-08-12
Anticipated expiration: 2032-02-23

Abstract

The utility model discloses a screw clamping gyration dismouting device belongs to screw dismouting technical field in the automated production manufacturing, including centre gripping subassembly and revolving axle, the centre gripping subassembly includes four groups clamping jaw mechanism, push rod, guide pin bushing, rotator disk body and link rod, upper cover and knot seat, and group clamping jaw mechanism winds the even distribution of revolving shaft and installs on the rotator disk body, the upper cover is installed at the top of rotator disk body, and the drive shaft of group clamping jaw mechanism connects in parallel on the link rod, the upper end of push rod is connected to the middle part of link rod, the guide pin bushing has been cup jointed to the push rod outside, the guide pin bushing cup joints on the rotator disk body; through setting up centre gripping rotation mechanism to can cooperate the robot or other equipment that have the screw member, realize the screw member screw in or screw out, when practicing thrift the manpower, also can guarantee to change the safety, high efficiency and the reliability of screw member work.

Description

Screw clamping, rotating, dismounting device

Technical Field

The utility model relates to a screw member dismouting technical field specifically is screw member centre gripping gyration dismouting device in the automated production makes.

Background

In the existing industrial production, the dismounting of the screw is labor operation with very high repetition degree in the production process, and the mode of replacing manpower with an automatic dismounting device or equipment is the mode with the maximum benefit; the clamping of the screw on the automatic dismounting device usually adopts pneumatic, hydraulic and electric modes, and the input of media or power to the actuator in the rotating part is complex and needs regular maintenance and service during the process of screwing in or unscrewing the screw; the sealing and wear between the moving parts when using pressure media, as well as the wear, corrosion and insulation of the armature brushes when electrically driven, are all reasons for the complex construction of the device, frequent malfunctions or difficulties in maintenance, while being reliable and considerably reduced.

In the existing industrial production, electrodes for welding, such as an electrode cap of a welding gun, a nozzle of an arc welding gun and an electrode nozzle, are often required to be replaced after being used for a period of time, along with popularization of welding automation technology and equipment, replacement work of loss parts is still finished manually, and the investment is increased due to the low efficiency, poor reliability and safety measures required by manual operation in an automatic area.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw member centre gripping gyration dismouting device is through setting up centre gripping rotation mechanism to can cooperate the robot or other equipment that have the screw member, realize the screw in of screw member or screw out, when practicing thrift the manpower, also can guarantee to change safety, high efficiency and the reliability of screw member work.

To solve the problems set forth in the background art described above.

In order to achieve the above object, the utility model provides a following technical scheme: the clamping assembly comprises four groups of clamping jaw mechanisms, push rods, guide sleeves, a rotating body disc body, a parallel connecting rod, an upper cover and a buckling seat, the group of clamping jaw mechanisms are uniformly distributed on the rotating body disc body around the rotating shaft, the upper cover is installed at the top of the rotating body disc body, a driving shaft of the group of clamping jaw mechanisms is connected onto the parallel connecting rod in parallel, the middle part of the parallel connecting rod is connected with the upper end part of the push rod, the guide sleeves are sleeved outside the push rods, the guide sleeves are sleeved on the rotating body disc body, one end of each push rod is fixedly connected onto an air cylinder, the buckling seat is fixedly installed outside a spring, and a detection switch is arranged outside the buckling seat; the clamping jaw mechanism comprises a first rotating shaft, a second rotating shaft and a third rotating shaft, wherein the first rotating shaft is located on the clamping jaw base, a third pin shaft is arranged inside the clamping jaw base and penetrates through the clamping jaw base, the swing arm and the sliding supporting block to be fixed, the sliding supporting block is installed in the middle of the swing arm, the outer side of the swing arm is surrounded by the clamping jaw base, and the clamping jaw base slides along the axial direction of the first rotating shaft.

Preferably, it is two sets of the swing arm is fixed through the second pivot, the fixed surface of second pivot installs the second round pin axle, the inboard of swing arm is equipped with the gyro wheel, and is two sets of the gyro wheel carries out synchronous revolution around first pivot, and is two sets of the swing arm is fixed through the third pivot above the surface, the third pivot communicates in the gyro wheel, the gyro wheel is inlayed in the slide of clamping jaw push-and-pull piece, the side-mounting of third pivot has first round pin axle, the swing arm passes through the fixed clamping jaw push-and-pull piece of third pivot.

Preferably, the top of the clamping jaw pushing and pulling block is fixed with a toothed clamping jaw through a pin, the toothed clamping jaw is close to one side of the rotating shaft, one side of the clamping jaw pushing and pulling block is provided with a spring anti-skidding block, the outer side of the spring anti-skidding block is fixedly provided with a compression spring, one end of the compression spring is in contact with the clamping jaw pushing and pulling block, the other end of the compression spring is in contact with a spring limiting block, and the spring limiting block is connected with the clamping jaw base.

Preferably, the bottom of the clamping jaw push-pull block is in contact with the upper end face of a sliding support block fixed on the clamping jaw base, the upper end face of the clamping jaw push-pull block is in contact with the inner end face of the lower portion of an upper cover, the upper cover is installed on the clamping jaw base through a pin, the clamping jaw push-pull block is connected in a sliding mode along a rotating shaft, and a roller located between two groups of swing arms of the second rotating shaft is embedded in a sliding way of the parallel connecting rod.

Preferably, the rotator disk body is installed on the spline reel, rotator disk body and spline reel are the gyration axle altogether, the rotator disk body rotates around the gyration axle and is connected, the spline reel is installed on the floating disc, fixed mounting has four group compression spring around the bottom of floating disc, compression spring installs in the spring sleeve, spring sleeve's top fixed mounting has last spring holder, compression spring's bottom fixed mounting is on spring holder down, the outside of floating disc is cup jointed on the guide sleeve, the floating disc slides and rotates along the gyration axle axial, the guide sleeve endotheca is on the rotator seat.

Preferably, the rotating body seat is installed on the base plate, the lower part of the base plate is connected with the spline shaft hub through a set of rotating bearing, the downward extending part of the spline shaft hub is connected with a synchronous pulley, and the spline shaft hub and the spline shaft disc are in spline pair.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in the screw member gyration centre gripping dismouting device that provides, can cooperate the robot or other equipment that have the screw member, realize the screw in of screw member or screw out, when practicing thrift the manpower, also can guarantee to change safety, high efficiency and the reliability of screw member work.

Drawings

FIG. 1 is a schematic side view of the nozzle mounting/dismounting unit of the present invention;

FIG. 2 is a schematic structural view of a cross-sectional view of the nozzle mounting and dismounting unit of the present invention;

FIG. 3 is a schematic view of an exploded side view of the nozzle mounting and dismounting unit of the present invention;

FIG. 4 is a schematic structural view of an exploded axial view of a clamping jaw assembly in the nozzle dismounting unit according to the present invention;

fig. 5 is an exploded schematic side view of the jaw mechanism of the jaw assembly of the nozzle dismounting unit of the present invention.

In the figure: 501. a toothed jaw; 502. a clamping jaw push-pull block; 503. a sliding support block; 504. swinging arms; 505. a first pin shaft; 506. a second pin shaft; 507. a jaw base; 508. a third pin shaft; 511. a spring stopper; 512. a first compression spring; 513. a spring anti-slip block; 562. a floating disk; 563. a first guide sleeve; 564. a rotor base; 565. a synchronous pulley; 566. a splined hub; 567. a spline shaft disc; 571. a cylinder; 572. a push rod; 573. a second guide sleeve; 574. a rotary body disk body; 575. a parallel link rod; 576. an upper cover; 577. a buckle seat; 581. an upper spring seat; 582. a second compression spring; 583. a lower spring seat; 584. a spring sleeve; a5, a rotating shaft; 595. and detecting a switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: the clamping assembly comprises four groups of clamping jaw mechanisms, a push rod 572, a second guide sleeve 573, a rotating body disc 574, a parallel rod 575, an upper cover 576 and a buckling seat 577, 4 groups of clamping jaw mechanisms are uniformly distributed and installed on the rotating body disc 574 around a rotating shaft A5, the upper cover 576 is installed at the top of the rotating body disc 574, driving shafts of the 4 groups of clamping jaw mechanisms are connected on the parallel rod 575 in parallel, the middle part of the parallel rod 575 is connected with the upper end part of the push rod 572, the second guide sleeve 573 is sleeved outside the push rod 572, the second guide sleeve 573 is sleeved on the rotating body disc 574, one end of the push rod 572 is fixedly connected on an air cylinder 571, the buckling seat 577 is fixedly installed outside a spring, and a detection switch 595 is arranged outside the buckling seat 577; the clamping jaw mechanism comprises a first rotating shaft, a second rotating shaft and a third rotating shaft, the first rotating shaft is positioned on a clamping jaw base 507, a third pin shaft 508 is arranged inside the clamping jaw base 507, the third pin shaft 508 penetrates through the clamping jaw base 507, the swing arms 504 and the sliding support blocks 503 to be fixed, the sliding support blocks 503 are installed in the middle of the two groups of swing arms 504, the outer sides of the swing arms 504 are surrounded by the clamping jaw base 507, and the clamping jaw base 507 slides along the axial direction of the first rotating shaft; the two groups of swing arms 504 are fixed through a second rotating shaft, a second pin shaft 506 is fixedly arranged on the surface of the second rotating shaft, rollers are arranged on the inner sides of the swing arms 504, the two groups of rollers synchronously rotate around the first rotating shaft, the upper parts of the surfaces of the two groups of swing arms 504 are fixed through a third rotating shaft, the third rotating shaft is communicated with the rollers, the rollers are embedded in the slide ways of the clamping jaw push-pull block 502, a first pin shaft 505 is installed on the side face of the third rotating shaft, the swing arm 504 fixes the clamping jaw pushing and pulling block 502 through the third rotating shaft, the top of the clamping jaw pushing and pulling block 502 fixes the tooth-shaped clamping jaw 501 through a pin, the tooth-shaped clamping jaw 501 is close to one side of the rotating shaft A5, one side of the clamping jaw pushing and pulling block 502 is provided with a spring anti-slip block 513, the outer side of the spring anti-slip block 513 is fixedly provided with a first compression spring 512, one end of the first compression spring 512 is in contact with the clamping jaw pushing and pulling block 502, the other end of the first compression spring 512 is in contact with a spring limiting block 511, and the spring limiting block 511 is connected with a clamping jaw base 507; the bottom of the clamping jaw push-pull block 502 contacts with the upper end face of the sliding support block 503 fixed on the clamping jaw base 507, the upper end face of the clamping jaw push-pull block 502 contacts with the lower inner end face of the upper cover 576, the upper cover 576 is installed on the clamping jaw base 507 through a pin, the clamping jaw push-pull block 502 is connected in a sliding way along the rotating shaft A5, the second rotating shaft is arranged in the sliding way of the parallel connecting rod 575 between the two groups of swing arms 504, when the push rod 572 connected with the parallel connecting rod 575 is not applied with external force, the clamping jaw push-pull block 502 is pushed to the main rotating shaft A5 by a compression spring, the clamping jaw push-pull block 502 drives the roller connected in the middle of the rotating shaft G through the sliding way, the swing arms 504 are pushed to rotate around the rotating shaft E, and the sliding way on the parallel connecting rod 575 is further pushed by the roller in the middle of the rotating shaft F, because the 4 groups of clamping jaw mechanisms are arranged around the main rotating shaft A5 and connected to the parallel connecting rod F on the position of the rotating shaft F, and because of the push rod 572 connected to the limitation 574 of the second guide sleeve 573 and the rotating body 574 connected to the outside of the push rod 572 connected to the parallel connecting rod 575, at this time, the parallel link 575 is pushed to move downward toward the main rotation axis a 5. Thereby, the action that the toothed clamping jaw 501 clamps the nozzle T02 is realized; when the push rod 572 connected with the parallel link 575 is pushed upwards by the piston rod extending from the cylinder 571, it will push the roller on the rotating shaft F of the clamping jaw mechanism, further drive the swing arm 504 to rotate around the rotating shaft E, the swing of the swing arm 504 will make the roller in the middle of the rotating shaft G rotate around the rotating shaft E, thereby pushing the clamping jaw to push the slideway on the pulling block 502, driving the tooth-shaped clamping jaw 501 to move in the direction away from the main rotating shaft a5, and compressing the first compression spring 512. Thereby effecting the action of the toothed jaw 501 to release the nozzle T02;

the rotary body disc 574 is arranged on the spline shaft disc 567, the rotary body disc 574 and the spline shaft disc 567 share a rotating shaft A5, the rotary body disc 574 is rotatably connected around a rotating shaft A5, the spline shaft disc 567 is arranged on the floating disc 562, four groups of second compression springs 582 are fixedly arranged around the bottom of the floating disc 562, the second compression springs 582 are arranged in a spring sleeve 584, an upper spring seat 581 is fixedly arranged at the top of the spring sleeve 584, the bottom of the second compression springs 582 is fixedly arranged on a lower spring seat 583, the outer part of the floating disc 562 is sleeved on a first guide sleeve 563, the floating disc 562 axially slides and rotates along the rotating shaft A5, and the first guide sleeve 563 is sleeved on the rotary body seat 564;

the swivel mount 564 is mounted on a base plate, the lower portion of which is connected to a splined hub 566 via a set of swivel bearings, the downward extending portion of the splined hub 566 is connected to a timing pulley 565, and the splined hub 566 is splined to a splined shaft disc 567.

In a specific use, the nozzle T02 is loaded as follows: the welding gun to be provided with the nozzle T02 is driven by an external mechanism to downwards enter the position for dismantling the nozzle T02 along the main rotating shaft A5, and is firstly contacted with the nozzle T02 in the entering process and then is continuously pressed downwards until the in-place detection switch is triggered, and then stops moving and keeps the position unchanged; then, a servo motor of the rotary power unit is started, the clamping jaw assembly and the nozzle T02 are driven to execute rotary motion opposite to the dismounting motion, then the nozzle T02 is gradually screwed into the head of the welding gun, and the output of the servo motor is still kept after the nozzle T02 is completely screwed in, so that the required pretightening force of the thread of the nozzle T02 is achieved; then the piston rod of the cylinder 571 is extended out to push the push rod 572 and the subsequent mechanism to open the clamping jaw, and the nozzle T02 is released; then the welding gun which is arranged in the nozzle T02 is driven by an external mechanism to upwards withdraw along the main revolving shaft A5; finally, the piston rod of the cylinder 571 retracts, and the mechanism returns to the initial state;

the nozzle T02 removal action is as follows: the piston rod of the cylinder 571 extends out to push the push rod 572 and the parallel rod 575 to move, so as to realize the opening action of the tooth-shaped clamping jaw 501; then, after the nozzle T02 to be removed enters the nozzle removing position under the driving of the external device, the piston rod of the air cylinder 571 retracts, so as to realize the clamping action of the toothed clamping jaw 501, and the clamping force is provided by the second compression spring 582; then, a servo motor of the rotary power unit is started to rotate at the limited torque and the limited rotating speed, and a synchronous belt wheel 565, a spline shaft hub 566, a spline shaft disc 567 and a clamping jaw assembly of the mechanism are driven to rotate, so that the nozzle T02 is screwed; in the process of screwing the nozzle T02, the gun head of the welding gun is kept still, the axial displacement of screwing out the threads enables the pressing clamping jaw assembly, the spline shaft hub 566 and other floating parts to move downwards along the main rotating shaft A5 until the threads of the nozzle T02 are completely screwed out, and the in-place detection switch is triggered; at this time, the welding gun can be withdrawn upwards along the main rotating shaft A5 by other mechanisms, and the compression spring 582 of the floating part is gradually released in the withdrawing process, so that the removed nozzle T02 returns to the position before removal to wait for loading again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Screw member centre gripping gyration dismouting device, including centre gripping subassembly and revolving axle, its characterized in that: the clamping assembly comprises four groups of clamping jaw mechanisms, push rods (572), second guide sleeves (573), a rotating body disc body (574), parallel rods (575), an upper cover (576) and a buckling seat (577), wherein 4 groups of clamping jaw mechanisms are uniformly distributed and arranged on the rotating body disc body (574) around a rotating shaft (A5), the top of the rotary body disc body (574) is provided with an upper cover (576), the driving shafts of 4 groups of clamping jaw mechanisms are connected in parallel on a parallel rod (575), the middle part of the parallel link rod (575) is connected with the upper end part of the push rod (572), a second guide sleeve (573) is sleeved outside the push rod (572), the second guide sleeve (573) is sleeved on the rotary body disc body (574), one end of the push rod (572) is fixedly connected to the air cylinder (571), the buckling seat (577) is fixedly installed outside the spring, and the outer side of the buckling seat (577) is provided with a detection switch (595); the clamping jaw mechanism comprises a first rotating shaft, a second rotating shaft and a third rotating shaft, wherein the first rotating shaft is located on a clamping jaw base (507), a third pin shaft (508) is arranged inside the clamping jaw base (507), the third pin shaft (508) penetrates through the clamping jaw base (507), a swing arm (504) and a sliding supporting block (503) to be fixed, the sliding supporting block (503) is installed in the middle of the swing arm (504), the outer side of the swing arm (504) is surrounded by the clamping jaw base (507), and the clamping jaw base (507) slides along the axial direction of the first rotating shaft.

2. The screw clamp swivel assembly device of claim 1, wherein: it is two sets of swing arm (504) are fixed through the second pivot, the fixed surface of second pivot installs second round pin axle (506), the inboard of swing arm (504) is equipped with the gyro wheel, and is two sets of the gyro wheel carries out synchronous revolution around first pivot, and is two sets of swing arm (504) are fixed through the third pivot in the top of the surface, the third pivot communicates in the gyro wheel, the gyro wheel is inlayed in the slide of clamping jaw push-and-pull piece (502), the side-mounting of third pivot has first round pin axle (505), swing arm (504) are through the fixed clamping jaw push-and-pull piece of third pivot (502).

3. The screw clamp swivel assembly device of claim 2, wherein: the clamping jaw pushes away the top of drawing piece (502) and passes through fixed profile of tooth clamping jaw (501) of round pin nail, profile of tooth clamping jaw (501) are close to one side of revolving axle, the clamping jaw pushes away one side of drawing piece (502) and installs spring non slipping spur (513), spring non slipping spur (513) outside fixed mounting has first compression spring (512), the one end and the clamping jaw of first compression spring (512) push away and draw piece (502) contact, the other end contact spring stopper (511) of first compression spring (512), spring stopper (511) are connected with clamping jaw base (507).

4. The screw clamp swivel assembly device of claim 3, wherein: the clamping jaw pushing and pulling device is characterized in that the bottom of the clamping jaw pushing and pulling block (502) is in contact with the upper end face of a sliding supporting block (503) fixed on a clamping jaw base (507), the upper end face of the clamping jaw pushing and pulling block (502) is in contact with the inner end face of the lower portion of an upper cover (576), the upper cover (576) is installed on the clamping jaw base (507) through a pin, the clamping jaw pushing and pulling block (502) is in sliding connection along a rotating shaft, and a second rotating shaft is located in a slide way of a connecting rod (575) embedded in a roller between two groups of swing arms (504).

5. The screw clamp swivel assembly device of claim 1, wherein: the rotary body disc body (574) is arranged on the spline shaft disc (567), the rotary body disc body (574) and the spline shaft disc (567) share a rotating shaft (A5), the rotary body disc body (574) is rotationally connected around a rotating shaft (A5), the spline shaft disc (567) is arranged on the floating disc (562), four groups of second compression springs (582) are fixedly arranged around the bottom of the floating disc (562), the second compression spring (582) is arranged in a spring sleeve (584), the top of the spring sleeve (584) is fixedly provided with an upper spring seat (581), the bottom of the second compression spring (582) is fixedly arranged on the lower spring seat (583), the outer part of the floating disc (562) is sleeved on a first guide sleeve (563), the floating disc (562) slides and rotates along the axial direction of the rotating shaft, and the first guide sleeve (563) is sleeved on a rotating body seat (564) in an sleeved mode.

6. The screw clamp swivel assembly device of claim 5, wherein: the swivel base (564) is installed at the base plate, the lower part of base plate is connected with spline shaft hub (566) through a set of swivel bearing, spline shaft hub (566) downwardly extending portion is connected with synchronous pulley (565), spline shaft hub (566) and spline shaft dish (567) spline pair.