CN210413360U - Screwing equipment - Google Patents
Screwing equipment Download PDFInfo
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- CN210413360U CN210413360U CN201921410766.1U CN201921410766U CN210413360U CN 210413360 U CN210413360 U CN 210413360U CN 201921410766 U CN201921410766 U CN 201921410766U CN 210413360 U CN210413360 U CN 210413360U
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- clamping jaw
- protection ring
- clamping
- screwing
- driving device
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Abstract
The application discloses equipment of screwing for on screwing the protection ring to the pipe fitting, equipment of screwing is including locating the base of robot execution end and installing the mechanism of screwing on the base, the mechanism of screwing includes clamping jaw device, first drive arrangement, the second drive arrangement, third drive arrangement and centering mechanism, centering mechanism includes at least two sets of elastomeric element, the effort of reseing of every elastomeric element of group applys the effort of reseing along the radial line direction of protection ring to clamping jaw device, the effort of reseing of at least two sets of elastomeric element is balanced so that clamping jaw device keeps static along the radial line direction of protection ring, under the exogenic action, clamping jaw device overcomes the effort of reseing of one of them elastomeric element so that clamping jaw device is fine motion along the radial line direction of protection ring, the flexible pipe end that aims at of pipe can be realized to this application.
Description
Technical Field
The application relates to the technical field of mechanical equipment for machining of screwing occasions, in particular to screwing equipment.
Background
In the course of machining, need generally screw the protection ring to the pipe end in order to protect the screw thread of pipe end, the equipment of screwing now adopts the mechanism of screwing to rotate the protection ring mostly, screw the protection ring and need guarantee the work piece in to the pipe fitting tip usually and adjust well, and whether it is appropriate to screw after screwing the back manual judgement, if the work piece is adjusted well improperly, can take place the screw thread mistake, thereby make the work piece damage, thereby make operating personnel's intensity of labour big, the security is low, the efficiency is low, moreover, current clamping action is realized through pneumatic element mostly, but in the course of rotating, pneumatic element's air supply can cause gas leakage scheduling problem.
SUMMERY OF THE UTILITY MODEL
The technical problem that this application will be solved provides a equipment of screwing, through setting up the mechanism of adjusting well, realizes that the flexibility aims at the pipe end.
In order to solve the technical problem, the application provides a screwing device for screwing a protection ring to a pipe fitting, the screwing device comprises a base arranged at a robot execution end and a screwing mechanism arranged on the base, the screwing mechanism comprises a clamping jaw device, a first driving device, a second driving device and a third driving device, the first driving device drives the clamping jaw device to clamp or release the protection ring, the second driving device drives the clamping jaw device to move along the circumferential direction of the axis direction of the protection ring, the third driving device drives the clamping jaw device to move along the linear direction of the axis direction of the protection ring, the screwing mechanism further comprises a centering mechanism, the centering mechanism comprises at least two groups of elastic components, and the resetting acting force of each group of the elastic components is opposite to that of the clamping jaw device to exert the resetting acting force along the radial direction of the protection ring, the reset acting forces of the at least two groups of elastic parts are mutually balanced to enable the clamping jaw device to keep static along the radial line direction of the protection ring, and under the action of external force, the clamping jaw device overcomes the reset acting force of one elastic part to enable the clamping jaw device to slightly move along the radial line direction of the protection ring.
Preferably, the centering mechanism further includes a fixed plate, at least two guide rods, a lock nut, and a movable plate, the guide rods are perpendicularly fixed on the fixed plate, the lock nut is fixed on the guide rods, the movable plate is slidably connected to the guide rods, the movable plate divides each guide rod into a first rod section close to the fixed plate and a second rod section away from the fixed plate, the elastic component is a spring, one set of the elastic component is sleeved on the first rod section and supported between the fixed plate and the movable plate, and the other set of the elastic component is sleeved on the second rod section and supported between the lock nut and the movable plate.
Preferably, the fixed plate is movably connected to the base along an axial direction of the protection ring, the fixed portion of the first driving device and the fixed portion of the second driving device are both fixedly connected to the movable plate, the fixed portion of the third driving device is mounted on the base, and the movable portion of the third driving device is connected to the fixed plate.
Preferably, the clamping jaw device comprises a fixed disk and at least two clamping jaws, the fixed disk and the protection ring are coaxially arranged, the clamping jaws are movably connected to the fixed disk along the radial line direction of the protection ring, and the first driving device drives the clamping jaws to move.
Preferably, the clamping jaw device further includes a clamping member and a claw rotatably connected to the fixed disk around a first rotating shaft, the clamping member is provided with a circumferential clamping groove arranged around an axial direction of the protection ring, one end of the claw is rotatably connected with a second rotating shaft, the second rotating shaft is radially limited in the circumferential clamping groove, the other end of the claw is rotatably connected with the clamping jaw through a third rotating shaft, the first rotating shaft, the second rotating shaft and the third rotating shaft are respectively arranged in parallel, the second rotating shaft and the third rotating shaft are arranged on two sides of the first rotating shaft, and the clamping member is driven by the first driving device to move along the axial direction of the protection ring to drive the claw to rotate around the first rotating shaft so as to drive the clamping jaw to clamp or release the protection ring.
Preferably, first drive arrangement passes through a pull rod drive the joint spare, the one end of pull rod with the joint spare is connected, and a rotary joint is connected to the other end, first drive arrangement's power output shaft connects an adapter plate and drives the adapter plate removes, the adapter plate is equipped with one and steps down the hole, rotary joint deviates from a pot head of joint spare is established a bearing and is installed in step down hole department, the inner circle of bearing with rotary joint's surface tight fit, the outer lane of bearing with the inner wall tight fit in hole steps down.
Preferably, one surface of the fixed disc, which is far away from the clamping jaw, is fixedly connected with a linkage shaft which is coaxially arranged with the clamping jaw, the linkage shaft is arranged in a hollow mode and sleeved on the outer side of the pull rod, and the linkage shaft and a power output shaft of the second driving device are in transmission with each other.
Preferably, locate the mount pad with the clamping jaw one-to-one on the fixed disk, the mount pad has the spout unanimous with clamping jaw moving direction, be equipped with the slide rather than the adaptation in the spout, the one side that the slide deviates from the clamping jaw is equipped with the gag lever post, the clamping jaw pass through the screw with the gag lever post is connected, the tip of gag lever post have with the fender arm that the notch of spout supported, specifically, be equipped with a plurality of first triangular grooves on the slide, the bottom of clamping jaw be equipped with the second triangular groove of first triangular groove adaptation.
Preferably, the lower surface of the sliding plate is provided with a lug extending towards the claw, the third rotating shaft is rotatably arranged on the lug, and the linkage shaft is provided with a notch avoiding the lug and the claw.
Preferably, the linkage shaft and the power output shaft of the second driving device are in meshing transmission through gears.
The beneficial effect of this application is:
according to the screwing equipment, the centering mechanism is arranged, so that the screwing can be more accurate when the threads are screwed, and the elastic part can effectively avoid rigid collision, so that the service life of the equipment is greatly prolonged;
the screwing equipment can effectively solve the problem of air leakage caused by rotation of an air source by arranging the rotating assembly;
according to the centering mechanism, each guide rod is divided into a first rod section close to the fixed plate and a second rod section far away from the fixed plate by arranging the movable plate, and a spring is arranged on each rod section in a ceramic mode to realize floating connection, so that the centering mechanism is simple and compact in structure and convenient to disassemble and assemble;
the clamping piece is ingenious in structural arrangement, installation space can be greatly saved, and the clamping piece is rotatably connected with the hook claw through the arrangement of the circumferential clamping groove, so that the fixed disc is more stable when rotating;
the claw is arranged, so that the clamping jaw is shifted by the lever structure, and the structure is stable and labor-saving;
the tooth dislocation is effectively prevented by arranging the limiting rod;
the linkage shaft sleeve is arranged on the outer side of the pull rod, and a power output shaft of the second driving device is in gear engagement transmission with the linkage shaft, so that the installation space of the equipment is further saved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a schematic view of the tightening mechanism of the present application;
FIG. 3 is a cross-sectional view of FIG. 2 of the present application;
fig. 4 is a perspective view of the tightening mechanism of the present application;
FIG. 5 is a schematic view of a jaw portion of the present application;
fig. 6 is a schematic view of a clip of the present application.
Wherein:
the robot comprises a robot 1, a screwing mechanism 2, a box 3, a first driving device 4, a third driving device 6, a base 8, a fixed plate 10, a movable plate 12, a second driving device 14, a lock nut 16, a fixed plate 18, a mounting seat 20, a sliding block 22, a guide rail 24, a guide rod 26, a first rod section 2601, a second rod section 2602, a base plate 28, an elastic part 30, a clamping part 32, a hook claw 34, a first rotating shaft 36, a circumferential clamping groove 38, a second rotating shaft 40, a third rotating shaft 42, a clamping claw 44, a pull rod 46, an adapter plate 48, a linkage shaft 50, a pinion 52, a gearwheel 54, an auxiliary gear 56, a positioning plate 58, a sliding plate 60, a limiting rod 62 and a lug 64.
Detailed Description
The present application is further described below in conjunction with the following figures and specific examples to enable those skilled in the art to better understand the present application and to practice it, but the examples are not intended to limit the present application.
Referring to fig. 1 to 6, wherein fig. 4 is a schematic view showing a portion of a box 3 hidden in an internal structure, a tightening apparatus according to a preferred embodiment of the present disclosure is used for tightening a protection ring onto a pipe, the protection ring and the pipe are connected by a thread, the tightening apparatus includes a base 8 disposed at an execution end of a robot 1 and a tightening mechanism 2 mounted on the base 8, the tightening mechanism 2 includes a clamping jaw 44 device, a first driving device 4, a second driving device 14 and a third driving device 6, the first driving device 4 drives the clamping jaw 44 device to clamp or release the protection ring, the second driving device 14 drives the clamping jaw 44 device to move circumferentially around an axial direction of the protection ring, the third driving device 6 drives the clamping jaw 44 device to move linearly along the axial direction of the protection ring, in order to ensure accurate thread tightening, the tightening mechanism 2 further comprises a centering mechanism, the centering mechanism comprises at least two sets of elastic members 30, the restoring acting force of each set of elastic members 30 exerts a restoring acting force on the clamping jaw 44 device along the radial line direction of the protection ring, the restoring acting forces of the at least two sets of elastic members 30 are balanced with each other to keep the clamping jaw 44 device stationary along the radial line direction of the protection ring, and under the action of an external force, the clamping jaw 44 device overcomes the restoring acting force of one of the elastic members 30 to enable the clamping jaw 44 device to slightly move along the radial line direction of the protection ring.
Specifically, the centering mechanism further includes a fixed plate 10, at least two guide rods 26, a lock nut 16 and a movable plate 12, the present application preferably includes four guide rods 26 respectively disposed at four corners of the fixed plate 10, the guide rods 26 are perpendicularly fixed on the fixed plate 10, the lock nut 16 is fixed on the guide rods 26, the movable plate 12 is slidably connected to the guide rods 26, the movable plate 12 divides each guide rod 26 into a first rod section 2601 close to the fixed plate 10 and a second rod section 2602 away from the fixed plate 10, preferably, the elastic component 30 is a spring, specifically, in this embodiment, the spring of one group of the elastic component 30 is sleeved on the first rod section and abutted between the fixed plate 10 and the movable plate 12, the spring of the other group of the elastic component 30 is sleeved on the second rod section and abutted between the lock nut 16 and the movable plate 12, in other embodiments, each set of the springs is locked by a lock nut 16, and specifically, the first driving device 4 is preferably an air cylinder, the second driving device 14 is preferably a servo motor, and the third driving device 6 is preferably an air cylinder according to the needs of the power occasion.
The fixed plate 10 is movably connected to the base 8 along the axial direction of the protection ring, specifically, the base 8 is disposed on a substrate 28, a guide rail 24 is disposed at the bottom of the substrate 28, the third driving device 6 is disposed on the substrate 28, an output shaft of the third driving device 6 is connected to the fixed plate 10, a slider 22 adapted to the guide rail 24 is disposed on the upper surface of the fixed plate 10, and both the fixed portion of the first driving device 4 and the fixed portion of the second driving device 14 are fixedly connected to the movable plate 12.
The clamping jaw 44 device comprises a fixed plate 18 and at least two clamping jaws 44, preferably three clamping jaws 44 in this embodiment, the fixed plate 18 and the protection ring are coaxially arranged, in order to facilitate clamping or releasing the protection ring, the clamping jaws 44 are movably connected to the fixed plate 18 along the radial line direction of the protection ring, and the first driving device 4 drives the clamping jaws 44 to move.
The clamping jaw 44 device further includes a clamping member 32 and a claw 34 rotatably connected to the fixed disk 18 around a first rotating shaft 36, specifically, the fixed disk 18 is provided with a relatively arranged mounting seat 20, the first rotating shaft 36 is arranged on the mounting seat 20, the clamping member 32 is provided with a circumferential clamping groove 38 arranged around the axis direction of the protection ring, one end of the claw 34 is rotatably connected with a second rotating shaft 40, the second rotating shaft 40 is radially limited in the circumferential clamping groove 38, the other end of the claw 34 is rotatably connected to the clamping jaw 44 through a third rotating shaft 42, the first rotating shaft 36, the second rotating shaft 40 and the third rotating shaft 42 are respectively arranged in parallel, the second rotating shaft 40 and the third rotating shaft 42 are arranged at two sides of the first rotating shaft 36, the clamping member 32 is driven by the first driving device 4 to move along the axis direction of the protection ring to drive the claw 34 to rotate around the first rotating shaft 36 so as to bring about the first rotating shaft 36 The clamping jaw 44 is moved to clamp or release the protection ring, and specifically, the portions of the hook jaw 34 used for connecting the second rotating shaft 40 and the third rotating shaft 42 form U-shaped grooves respectively.
The fixed disc 18 is further fixedly connected with a linkage shaft 50 coaxially arranged with the clamping jaw 44, the linkage shaft 50 is arranged in a hollow mode and sleeved on the outer side of the pull rod 46, the linkage shaft 50 and a power output shaft of the second driving device 14 are mutually driven, and the specific setting mode is as follows: servo motor's power take-off shaft is connected with a speed reducer, the speed reducer is connected with a pinion 52 and is driven pinion 52 rotates, the cover is equipped with on the universal driving shaft 50 one with pinion 52 meshes driven gear wheel 54, this gear wheel 54 is located through a mounting panel on the fly leaf 12, and gear wheel 54 drives through the key-type connection universal driving shaft 50 rotates, still is equipped with the auxiliary gear 56 with gear wheel 54 meshing on the mounting panel to ensure gear wheel 54's installation stability.
Locate the locating plate 58 that has the T-slot with clamping jaw 44 one-to-one on the fixed disk 18, locating plate 58 has the spout unanimous with clamping jaw 44 moving direction, be equipped with the slide 60 rather than the adaptation in the spout, the one side that slide 60 deviates from clamping jaw 44 is equipped with gag lever post 62, clamping jaw 44 pass through the screw with gag lever post 62 is connected, gag lever post 62's tip have with the notch of spout supports the fender arm of holding, specifically, in order to realize the centre gripping to the not unidimensional protection ring, be equipped with a plurality of first triangular groove on the preferred slide 60, the bottom of clamping jaw 44 be equipped with the second triangular groove of first triangular groove adaptation, specific, the triangular groove is 60 triangular grooves for the apex angle.
The lower surface of the sliding plate 60 has a lug 64 extending toward the hook 34, the third rotating shaft 42 is rotatably disposed on the lug 64, and the linkage shaft 50 is provided with a notch avoiding the lug 64 and the hook 34. In order to prevent the protection ring from being damaged, flexible clamping parts are respectively arranged on one side, facing the protection ring axis, of the clamping jaw and on one side, deviating from the protection ring axis, of the clamping jaw, the flexible clamping parts are elastic rubber pads, the equipment can enable the inner thread of the protection ring to be screwed to the outer thread of the pipe fitting according to needs, the outer thread of the protection ring can also be screwed to the inner thread of the pipe fitting, and specific operation is carried out according to the thread connection types of the protection ring and the pipe fitting.
The working principle of the application is as follows: the utility model provides an equipment of screwing, robot 1 drives clamping jaw 44 and is close to the protection ring, first drive arrangement 4 drives clamping jaw 44 and snatchs the protection ring, then robot 1 drives the protection ring and removes the one side to the pipe fitting tip, second drive arrangement 14 reversal makes the screw thread of protection ring and the screw thread on the pipe fitting revolve to unanimous, the first drive arrangement 4 of centering mechanism drives the fixed plate 10 and is close to the tip of pipe fitting, through the flexible pipe fitting of spring well-alignment, second drive arrangement 14 begins corotation after well-aligning, screw up the protection ring to the screw thread of pipe fitting.
The above-described embodiments are merely preferred embodiments for fully illustrating the present application, and the scope of the present application is not limited thereto. The equivalent substitution or change made by the person skilled in the art on the basis of the present application is within the protection scope of the present application. The protection scope of this application is subject to the claims.
Claims (10)
1. A screwing device is used for screwing a protection ring to a pipe fitting, the screwing device comprises a base arranged at an execution end of a robot and a screwing mechanism arranged on the base, the screwing mechanism comprises a clamping jaw device, a first driving device, a second driving device and a third driving device, the first driving device drives the clamping jaw device to clamp or release the protection ring, the second driving device drives the clamping jaw device to move circumferentially around the axis direction of the protection ring, the third driving device drives the clamping jaw device to move linearly along the axis direction of the protection ring, and the screwing device is characterized in that,
the mechanism of screwing still includes centering mechanism, centering mechanism includes at least two sets of elastomeric element, every group elastomeric element's effort that resets is right the clamping jaw device is applyed and is followed the effort that resets of the radial line direction of protection ring, at least two sets of elastomeric element's effort that resets is balanced each other so that clamping jaw device follows the radial line direction of protection ring keeps static, under the exogenic action, clamping jaw device overcomes one of them elastomeric element's effort that resets so that clamping jaw device follows the radial line direction of protection ring is fine motion.
2. The tightening apparatus according to claim 1, wherein the centering mechanism further comprises a fixed plate, at least two guide rods, a lock nut, and a movable plate, the guide rods are perpendicularly fixed to the fixed plate, the lock nut is fixed to the guide rods, the movable plate is slidably connected to the guide rods, the movable plate divides each guide rod into a first rod section close to the fixed plate and a second rod section away from the fixed plate, the elastic member is a spring, one set of the elastic member is sleeved on the first rod section and supported between the fixed plate and the movable plate, and the other set of the elastic member is sleeved on the second rod section and supported between the lock nut and the movable plate.
3. The tightening apparatus according to claim 2, wherein the fixing plate is movably coupled to the base along an axial direction of the protection ring, the fixing portion of the first driving means and the fixing portion of the second driving means are fixedly coupled to the movable plate, the fixing portion of the third driving means is mounted to the base, and the movable portion of the third driving means is coupled to the fixing plate.
4. The tightening apparatus according to claim 1, wherein the clamping jaw device comprises a fixed plate and at least two clamping jaws, the fixed plate is coaxially arranged with the protection ring, the clamping jaws are movably connected to the fixed plate along a radial line direction of the protection ring, and the first driving device drives the clamping jaws to move.
5. The tightening apparatus according to claim 4, wherein the jaw device further comprises a snap member and a finger rotatably coupled to the fixed plate about a first pivot axis, the clamping piece is provided with a circumferential clamping groove arranged around the axis direction of the protection ring, one end of the hook claw is rotatably connected with a second rotating shaft, the second rotating shaft is limited in the circumferential clamping groove along the radial direction, the other end of the claw is rotationally connected with the clamping jaw through a third rotating shaft, the first rotating shaft, the second rotating shaft and the third rotating shaft are respectively arranged in parallel and the second rotating shaft and the third rotating shaft are arranged at two sides of the first rotating shaft, the clamping piece is driven by the first driving device to move along the axis direction of the protection ring so as to drive the hook claw to rotate around the first rotating shaft, so that the clamping jaw is driven to clamp or release the protection ring.
6. The tightening device according to claim 5, wherein the first driving device drives the clamping member through a pull rod, one end of the pull rod is connected with the clamping member, the other end of the pull rod is connected with a rotating assembly, the rotating assembly comprises a rotating joint and a bearing, the rotating assembly is connected with the clamping member and is arranged on an adapter plate, a power output shaft of the first driving device is connected with the adapter plate and drives the adapter plate to move, the adapter plate is provided with a yielding hole, the bearing is arranged in the yielding hole, an inner ring of the bearing is tightly matched with an outer surface of the rotating joint, and an outer ring of the bearing is tightly matched with an inner wall of the yielding hole.
7. The screwing equipment according to claim 6, wherein one surface of the fixed disc, which is far away from the clamping jaw, is fixedly connected with a linkage shaft which is coaxially arranged with the clamping jaw, the linkage shaft is arranged in a hollow manner and sleeved outside the pull rod, and the linkage shaft and a power output shaft of the second driving device are mutually driven.
8. The screwing device according to claim 7, wherein the fixing disc is provided with mounting seats corresponding to the clamping jaws one to one, each mounting seat is provided with a sliding groove in the same moving direction as the clamping jaw, a sliding plate matched with the sliding groove is arranged in the sliding groove, one surface of the sliding plate, which is far away from the clamping jaw, is provided with a limiting rod, the clamping jaw is connected with the limiting rod through a screw, and the end part of the limiting rod is provided with a blocking arm which is abutted against the notch of the sliding groove.
9. The tightening apparatus according to claim 8, wherein the lower surface of said slide plate has a lug extending toward the finger, said third shaft being rotatably mounted on said lug, said linkage shaft having a notch for avoiding said lug and said finger.
10. The tightening apparatus according to claim 7, wherein the linkage shaft is in geared engagement with the power take-off shaft of the second drive means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921410766.1U CN210413360U (en) | 2019-08-28 | 2019-08-28 | Screwing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921410766.1U CN210413360U (en) | 2019-08-28 | 2019-08-28 | Screwing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210413360U true CN210413360U (en) | 2020-04-28 |
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ID=70364725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921410766.1U Active CN210413360U (en) | 2019-08-28 | 2019-08-28 | Screwing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210413360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381266A (en) * | 2021-06-21 | 2021-09-10 | 江苏通灵电器股份有限公司 | Photovoltaic connector wire harness all-in-one machine |
-
2019
- 2019-08-28 CN CN201921410766.1U patent/CN210413360U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381266A (en) * | 2021-06-21 | 2021-09-10 | 江苏通灵电器股份有限公司 | Photovoltaic connector wire harness all-in-one machine |
| CN113381266B (en) * | 2021-06-21 | 2023-01-31 | 江苏通灵电器股份有限公司 | Photovoltaic connector wire harness all-in-one machine |
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