CN110732599A

CN110732599A - Fixing device

Info

Publication number: CN110732599A
Application number: CN201810804857.7A
Authority: CN
Inventors: 殷文科; 阳世超
Original assignee: Shenzhen Yuzhan Precision Technology Co ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Shenzhen Yuzhan Precision Technology Co ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2018-07-20
Filing date: 2018-07-20
Publication date: 2020-01-31

Abstract

The invention provides fixing devices, which comprise a driving mechanism and a fixing mechanism, wherein the driving mechanism comprises a cylinder body, a second cylinder body, a piston, a second piston, an output shaft, an end cover and a ventilation rod, the cylinder body is provided with a containing hole, a vent hole, a second vent hole, a third vent hole and a fourth vent hole, the second cylinder body is provided with a containing cavity, a fifth vent hole and a sixth vent hole, the output shaft is provided with a blowing duct, the ventilation rod is provided with a second blowing duct, the fixing mechanism comprises a mounting piece, a pushing piece and a plurality of fixing components, the pushing piece is provided with a third blowing duct and a plurality of containing grooves, each fixing component comprises a fixing piece and at least two connecting pieces, the connecting pieces are pushed to rotate to enable the fixing piece to be far away from or close to the mounting piece so as to abut against and fix a pipe fitting or release the pipe fitting, and air is blown to the pipe fitting from the third blowing duct through the second blowing duct and the blowing duct.

Description

Fixing device

Technical Field

The invention relates to fixing devices, in particular to fixing devices which are convenient for fixing and blowing cleaning of pipe fittings.

Background

In the conventional tube bending machine, a plurality of clamping jaws are used to hold the inner wall of a tube to fix the tube, such as tube bending machine (TW application No. 95113271), in which a plurality of rods are disposed at the front side of a rotating shaft, inner jaw clamping dies are connected to the rods, sliding sleeves are sleeved outside the rotating shaft, porous caps are connected to a sleeve core at the front end of the sliding sleeve, the porous caps are provided with a plurality of holes for the rods to pass through, the sleeve core is inserted into the inner jaw clamping dies, when oil cylinders drive the sliding sleeves to move, the porous caps slide relative to the rods to link the sleeve core relative to the inner jaw clamping dies to expand and fix the tube.

Disclosure of Invention

In view of the above, it is necessary to provide fixing devices for fixing and blowing cleaning the pipe, so as to solve the above problems.

A fixing device for fixing and releasing a tube, the fixing device comprising a driving mechanism and a fixing mechanism, the driving mechanism comprising a cylinder , a cylinder , a piston, a piston rod, an output shaft, an end cap and a rod, the cylinder being provided with an accommodating hole, a air vent, a second air vent, a third air vent and a fourth air vent, the cylinder being slidably accommodated in the accommodating hole, the cylinder being provided with an accommodating cavity, a fifth air vent and a sixth air vent, the fifth air vent being capable of communicating with the third air vent, the sixth air vent being capable of communicating with the fourth air vent, a piston being provided at a end of the cylinder and slidably accommodated in the accommodating hole, the piston dividing the accommodating hole into a air chamber and a second air chamber which are independent from each other, the being capable of communicating with the air chamber , the second air vent and the corresponding push assembly of the push assembly from the push member and push assembly of a sliding cylinder mounting piece of the push assembly and push assembly of the push assembly through the piston rod and push assembly of the corresponding push assembly of the piston assembly of the push assembly through the sliding mounting piece of the cylinder with the corresponding mounting piece of the corresponding mounting component 595, the second piston equivalent to the corresponding mounting piece of the corresponding mounting bracket 592, the corresponding mounting piece of the corresponding mounting bracket, the bracket of the bracket, the bracket is provided with the bracket 592, the bracket of the bracket, the bracket 597 and the bracket, the bracket of the bracket, the bracket of the bracket, the bracket is provided with the bracket, the.

The fixing device is characterized in that a second cylinder body is arranged in a containing hole of a cylinder body in a sliding mode, a end of a mounting piece of a fixing mechanism is arranged in a containing cavity of the second cylinder body, so that a piston drives the second cylinder body to move to drive the mounting piece to move, and further, a part of the fixing mechanism can be automatically inserted into a pipe fitting.

Drawings

Fig. 1 is a perspective view of a fixing device in an embodiment of the present invention.

Fig. 2 is an exploded perspective view of the fastening device shown in fig. 1.

Fig. 3 is an exploded perspective view from another perspective of the fastening device shown in fig. 2.

Fig. 4 is a perspective sectional view of the th cylinder of the fixing device shown in fig. 2.

Fig. 5 is a schematic cross-sectional view of the fastening device shown in fig. 1 taken along V-V.

Description of the main elements

The following detailed description is provided to further illustrate the present invention in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.

It should be noted that when elements are considered to be "connected" to another elements, it can be directly connected to another elements or intervening elements may be present, and when elements are considered to be "disposed on" another elements, it can be directly disposed on another elements or intervening elements may be present.

The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention, the term "and/or" as used herein includes any and all combinations of or more of the associated listed items.

Referring to fig. 1, kinds of fixing devices 100 capable of fixing a pipe (not shown) according to the present invention are provided, each fixing device 100 includes a driving mechanism 10 and a fixing mechanism 20, the driving mechanism 10 is used for externally connecting a processing apparatus (not shown), the fixing mechanism 20 is disposed on the driving mechanism 10, and the driving mechanism 10 is capable of driving the fixing mechanism 20 to move so as to insert a portion of the fixing mechanism 20 into the pipe and drive the fixing mechanism 20 to fix the pipe.

Referring to fig. 2 and 4, the driving mechanism 10 includes an th cylinder 11, a second cylinder 12, a th piston 13, a second piston 14, an output shaft 15, an end cap 16, and a ventilation rod 17. the th cylinder 11 is formed with a receiving hole 111, a th ventilation hole 112, a second ventilation hole 113, a third ventilation hole 114, a fourth ventilation hole 115, and a seventh ventilation hole 116. the receiving hole 111 is opened at both ends of the th cylinder 11 in a penetrating manner, the receiving hole 111 is substantially cylindrical, the receiving hole 111 includes a receiving hole 1111 and a second receiving hole 1112 coaxially disposed, the receiving hole 1111 is larger than the second receiving hole 1112, the ventilation hole 112, the second ventilation hole 113, and the seventh ventilation hole 116 are respectively communicated with the receiving hole 1111, and the third ventilation hole 114 and the fourth ventilation hole 115 are respectively communicated with the second receiving hole 1112.

Referring to fig. 2, 3 and 5, the second cylinder 12 is slidably received in the second receiving hole 1112 of the receiving hole 111, the second cylinder 12 is substantially cylindrical, the second cylinder 12 is formed with a receiving cavity 121, a fifth vent hole 122 and a sixth vent hole 123, the receiving cavity 121 is formed on an end surface of the second cylinder 12, the receiving cavity 121 is substantially cylindrical, the receiving cavity 121 includes a coaxially disposed receiving cavity 1211 and a second receiving cavity 1212, the bore diameter of the receiving cavity 1211 is smaller than that of the second receiving cavity 1212, the fifth vent hole 122 and the sixth vent hole 123 are respectively communicated with the receiving cavity 1211, the fifth vent hole 122 is communicated with the third vent hole 114, and the sixth vent hole 123 is communicated with the fourth vent hole 115.

The th piston 13 is disposed at the end of the second cylinder 12 and slidingly received in the th receiving hole 1111 of the receiving hole 111. the th piston 13 divides the th receiving hole 1111 into a th air chamber 1113 and a second air chamber 1114 which are independent of each other, the th air hole 112 communicates with the th air chamber 1113, and the second air hole 113 communicates with the second air chamber 1114.

The second piston 14 is slidably disposed in the th accommodating chamber portion 1211 of the accommodating chamber 121 of the second cylinder 12. the second piston 14 divides the th accommodating chamber portion 1211 into a third air chamber 1213 and a fourth air chamber 1214 which are independent of each other, the fifth vent 122 communicates with the third air chamber 1213, and the sixth vent 123 communicates with the fourth air chamber 1214.

In this embodiment, the th piston 13 and the second piston 14 are respectively sleeved with a sealing ring 18. the sealing ring 18 is used to make the th piston 13 and the second piston 14 respectively contact with the inner wall (not labeled) of the th receiving hole portion 1111 of the receiving hole 111 and the th receiving cavity portion 1211 of the receiving cavity 121 in a sealing manner.

The end of the output shaft 15 is disposed on the second piston 14 and can move under the driving of the second piston 14, the output shaft 15 is opened with a blowing channel 151, the end cap 16 is sealed on the opening (not labeled) of the receiving hole 1111 of the receiving hole 111, the end cap 16 is opened with a guide hole 161 and an eighth vent hole 162, the guide hole 161 is opened on both ends of the end cap 16, the eighth vent hole 162 is opened on the peripheral wall of the end cap 16 and is communicated with the guide hole 161, and the eighth vent hole 162 is communicated with the seventh vent hole 116.

The vent rod 17 is internally provided with a second blowing hole 171, the end of the vent rod 17 is slidably arranged in the guide hole 161 of the end cover 16, the other end of the vent rod 17 penetrates through the second cylinder body 12, extends into the accommodating cavity 1211 of the accommodating cavity 121 and is slidably arranged in the second piston 14, the end of the second blowing hole 171 can be communicated with the eighth vent hole 162, and the other end of the second blowing hole 171 is communicated with the blowing hole 151.

The fixing mechanism 20 comprises a mounting piece 21, a pushing piece 22 and a plurality of fixing assemblies 23, wherein the mounting piece 21 is in a hollow cylindrical shape, ends of the mounting piece 21 are fixedly accommodated in a second accommodating cavity portion 1212 of the accommodating cavity 121, the mounting piece 21 is provided with a mounting hole 211 and a plurality of through holes 212, the mounting hole 211 penetrates through two ends of the mounting piece 21, the mounting hole 211 comprises a mounting hole portion 2111 and a second mounting hole portion 2112 which are coaxially arranged, a mounting hole portion 2111 is arranged at the end of the mounting piece 21 so that the output shaft 15 penetrates through the mounting piece in a sliding mode far away from the end of the second piston 14, a second mounting hole portion 2112 is arranged at the other end of the mounting piece 21, the diameter of the second mounting hole portion 2112 is larger than that of the mounting hole portion 2111, and the plurality of through holes 212 penetrate through the peripheral wall (not marked) of the second mounting hole portion 2112 of the mounting piece 211.

The pushing member 22 is substantially cylindrical, the pushing member 22 is slidably disposed in the second mounting hole portion 2112 of the mounting hole 211 and is connected to the output shaft 15, a plurality of receiving slots 221 are formed in a peripheral wall of the pushing member 22, the plurality of receiving slots 221 can correspond to the plurality of through holes 212 , and the pushing pins 222 are respectively formed on two opposite side walls (not shown) of each receiving slot 221.

In this embodiment, the pushing member 22 is sleeved with a ball bearing 223. The ball bearing 223 is used to reduce the frictional force by bringing the pusher 22 into rolling contact with the inner wall of the second mounting hole portion 2112 of the mounting hole 211.

In this embodiment, the pushing member 22 further has a third air blowing duct 224. the third air blowing duct 224 penetrates through both ends of the pushing member 22. the third air blowing duct 224 is communicated with the -th air blowing duct 151.

Each fixing assembly 23 includes a fixing member 232 and at least two connecting members 231, each connecting member 231 is substantially in the shape of an elongated plate, each connecting member 231 is pivotally connected to the corresponding through hole 212, and two ends of each connecting member 231 respectively extend out of the corresponding through holes 212, ends of each connecting member 231 extending into the second mounting hole 2112 are movably received in the corresponding receiving groove 221, the other end of each connecting member 231 is pivotally connected to the fixing member 232, and the fixing member 232 can be driven by the corresponding connecting member 231 to move away from or close to the mounting member 21 so as to hold the pipe or release the pipe.

In this embodiment, a clamping groove 2311 is formed at an end of each connecting member 231 extending into the second mounting hole portion 2112, the clamping groove 2311 is movably clamped on the corresponding pushing pin 222 so that the pushing pin 222 abuts against a peripheral wall of the clamping groove 2311 to rotate the connecting member 231, the fixing member 232 is substantially in a long strip shape, at least two pivoting holes 2321 are formed through each fixing member 232, and the other end of each connecting member 231 is pivoted in the corresponding pivoting hole 2321 through a pivoting pin (not shown).

In this embodiment, the securing mechanism 20 also includes an inductor 24. The inductor 24 is provided on the mounting member 21 to sense movement of the mounting member 21.

Referring to fig. 1 to 5, during assembly, the second cylinder 12 is slidably received in the second receiving hole 1112 of the receiving hole 111, the -th piston 13 is disposed at the end of the second cylinder 12 and slidably received in the -th receiving hole 1111 of the receiving hole 111, the second piston 14 is slidably disposed in the -th receiving cavity 1211 of the receiving cavity 121, and the -th end of the output shaft 15 is disposed on the second piston 14, the -end of the ventilation rod 17 is inserted through the second cylinder 12 into the -th receiving cavity 1211 of the receiving cavity 121 and slidably disposed in the second piston 14, the end cap 16 is covered on the opening (not labeled) of the -receiving hole 1111 of the receiving hole 111, the other -end of the ventilation rod 17 is slidably disposed in the guiding hole 161 of the end cap 16, the of the mounting member 21 is received in the second receiving cavity 1212 of the receiving cavity 121, the push member 22 is slidably disposed in the second receiving hole 2112 of the mounting hole 211, the mounting member 17 is slidably disposed in the guiding hole 161 of the corresponding mounting member 161, and the corresponding fixing pin 2311 is pivotally connected to the corresponding fixing pin 231 of the corresponding mounting member 231, and the corresponding fixing pin 23124 is pivotally connected to the end of the corresponding mounting member 231, and the corresponding fixing pin 2311 is pivotally connected to the mounting member 231, and pivotally connected to the corresponding mounting member 231, and pivotally connected to the mounting member 222.

In use, air is first introduced through the th vent hole 112, the air in the th air chamber 1113 is increased, and the air pushes the th piston 13 to move away from the end cap 16 and move the second cylinder 12, the moving second cylinder 12 moves the mounting member 21 to insert a portion of the securing mechanism 20 into a pipe (not shown), then, air is introduced through the third vent hole 114 and enters the third air chamber 1213 through the fifth vent hole 122, the air in the third air chamber 1213 is increased, the air pushes the second piston 14 to move away from the th piston 13, the second piston 14 moves the pushing member 22 relative to the mounting member 21 through the output shaft 15, and the moving pushing member 22 pushes the connecting member 231 to rotate to move the securing member 232 away from the mounting member 21 to secure the pipe.

Conversely, when air is supplied from the fourth vent hole 115 and enters the fourth air chamber 1214 through the sixth vent hole 123, the amount of air in the fourth air chamber 1214 increases, and the air pushes the second piston 14 to move closer to the th piston 13. in the above manner, the fixing member 232 moves closer to the mounting member 21 to release the tube, then, when air is supplied from the second vent hole 113, the amount of air in the second air chamber 1114 increases, and the air pushes the th piston 13 to move closer to the end cap 16 and move the second cylinder 12. the moving second cylinder 12 moves the mounting member 21 to draw the fixing mechanism 20 out of the tube.

In addition, air is supplied from the seventh vent hole 116, and air is blown from the third blowing hole 224 to the pipe through the eighth vent hole 162, the second blowing hole 171, and the blowing hole 151 to perform blowing cleaning on the pipe.

The cylinder 11 has a receiving hole 111, a vent hole 112, a second vent hole 113, a third vent hole 114, a fourth vent hole 115 and a seventh vent hole 116, and the end cap 16 has a guiding hole 161 and an eighth vent hole 162, but not limited thereto, in other embodiments, the seventh vent hole 116 and the eighth vent hole 162 may be eliminated, and air is directly introduced into the second blowing duct 171 through an air pipe (not shown), without affecting the blowing cleaning of the pipe fitting by the fixing device 100.

The fixing device 100 is provided with the second cylinder 12 slidably in the receiving hole 111 of the cylinder 11, and the end of the mounting member 21 of the fixing mechanism 20 is disposed in the receiving cavity 121 of the second cylinder 12, so that the piston 13 drives the second cylinder 12 to move to drive the mounting member 21 to move, and further, the part of the fixing mechanism 20 can be automatically inserted into the pipe, meanwhile, the second piston 14 disposed in the receiving cavity 121 of the second cylinder 12 drives the pushing member 22 to move relative to the mounting member 21 through the output shaft 15, so that the pushing member 22 pushes the connecting member 231 to rotate to make the fixing member 232 far away from or close to the mounting member 21 to abut against the fixing pipe or release the pipe, which is simple and efficient in operation, and in addition, the ventilation rod 17 with the second ventilation channel 171 is provided, and the output shaft 15 and the pushing member 22 are respectively provided with the ventilation channel 151 and the third ventilation channel 224, so that gas is blown from the third ventilation channel 224 to the pipe through the second ventilation channel 171 and the channel 224 to clean the pipe, thereby fixing and processing the pipe.

In addition, other modifications within the spirit of the invention may occur to those skilled in the art, and such modifications are, of course, included within the scope of the invention as claimed.

Claims

The fixing device comprises a driving mechanism and a fixing mechanism, and is characterized in that the driving mechanism comprises a cylinder, a second cylinder, a piston, a second piston, an output shaft, an end cover and a vent rod, the cylinder is provided with a receiving hole, a th vent hole, a second vent hole, a third vent hole and a fourth vent hole, the second cylinder is slidingly received in the receiving hole, the second cylinder is provided with a receiving cavity, a fifth vent hole and a sixth vent hole, the fifth vent hole can be communicated with the third vent hole, the sixth vent hole can be communicated with the fourth vent hole, the piston is arranged on a end of the second cylinder and slidingly received in the receiving hole, the piston divides the receiving hole into a air chamber and a second air chamber which are independent from each other, the th air chamber , the second vent hole is arranged on a end of the second cylinder and is connected with a movable mounting piece of a push member which is arranged in the receiving cavity of a push member and a push member which is arranged in a sliding connection with a corresponding push member, and a mounting member, and a push member which is arranged in a sliding connection with a corresponding mounting member of a fixing cylinder, and a fixing cylinder, the push member is arranged in a sliding cylinder, the receiving hole, the mounting member, the push member, the mounting member is arranged in the mounting member, the sliding cylinder, the mounting member, the push member, the mounting member is arranged in the mounting member, the push member, the mounting member, the push member, the mounting member, the push member, the mounting.
2. The fastening device of claim 1, wherein the receiving holes comprise a th receiving hole and a th receiving hole which are coaxially arranged, the th receiving hole has a larger diameter than the second receiving hole, the th ventilating hole and the second ventilating hole are respectively communicated with a th receiving hole, the third ventilating hole and the fourth ventilating hole are respectively communicated with the second receiving hole, the th piston is slidingly received in the th receiving hole, the second cylinder is slidingly received in the second receiving hole, and the end cap is sealed on an opening of the th receiving hole.
3. The fixing device of claim 2, wherein the cylinder body further has a seventh vent hole, the seventh vent hole is communicated with the accommodating hole, the end cap has a guide hole and an eighth vent hole, the guide hole is opened at two ends of the end cap, the end of the vent rod is slidably inserted into the guide hole, the eighth vent hole is opened at the peripheral wall of the end cap and is communicated with the guide hole, the eighth vent hole is communicated with the seventh vent hole, and the end of the second blowing hole channel is communicated with the eighth vent hole.
4. The fixing device according to claim 1, wherein the receiving chamber comprises a th receiving chamber portion and a second receiving chamber portion which are coaxially arranged, the bore diameter of the th receiving chamber portion is smaller than that of the second receiving chamber portion, the second receiving chamber portion is close to the end face of the second cylinder body, the fifth vent hole and the sixth vent hole are respectively communicated with the th receiving chamber portion, the second piston is slidably arranged in the th receiving chamber portion, and the end of the mounting member is fixedly received in the second receiving chamber portion.
5. The fixing device as claimed in claim 1, wherein the th piston and the second piston are respectively provided with a sealing ring.
6. The fastening device of claim 1, wherein the mounting holes include a th mounting hole portion and a second mounting hole portion coaxially disposed, the th mounting hole portion is opened at the end of the mounting member to allow the output shaft to slidably pass therethrough away from the end of the second piston, the second mounting hole portion is opened at the other end of the mounting member, the second mounting hole portion has a larger diameter than the th mounting hole portion, a plurality of the through holes are opened through a peripheral wall of the second mounting hole portion, and the pushing member is slidably disposed in the second mounting hole portion.
7. The fixing device as claimed in claim 6, wherein pushing pins are respectively formed on two opposite side walls of each receiving slot, a locking slot is formed at an end of each connecting member extending into the second mounting hole, the locking slot is movably engaged with the corresponding pushing pin so that the pushing pin pushes against the peripheral wall of the locking slot to rotate the connecting member, the fixing member is elongated, at least two pivoting holes are respectively formed in each fixing member, and the other end of each connecting member is pivotally connected with the corresponding pivoting hole.
8. The fixture of claim 1, wherein: each penetrating hole is a strip-shaped hole, wherein each at least two penetrating holes are arranged at intervals along the direction parallel to the central axis of the mounting part, each accommodating groove is a strip-shaped groove, and each at least two accommodating grooves are arranged at intervals along the direction parallel to the central axis of the pushing part.
9. The fixture of claim 1, wherein: the fixing mechanism further comprises an inductor, and the inductor is arranged on the mounting piece to sense the movement of the mounting piece.
10. The fixture of claim 1, wherein: the pushing piece is sleeved with a ball bearing.