CN217749804U - Argon protection device for closed circular seam - Google Patents

Argon protection device for closed circular seam Download PDF

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Publication number
CN217749804U
CN217749804U CN202221650569.9U CN202221650569U CN217749804U CN 217749804 U CN217749804 U CN 217749804U CN 202221650569 U CN202221650569 U CN 202221650569U CN 217749804 U CN217749804 U CN 217749804U
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adjusting rod
ring
argon
adjusting
rod
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CN202221650569.9U
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李进峰
范存金
范守迁
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Shanghai Uniwin Pharmaceutical Machinery Co Ltd
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Shanghai Uniwin Pharmaceutical Machinery Co Ltd
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Abstract

The utility model relates to the technical field of closed circular seam welding, in particular to a closed circular seam argon gas protection device, which comprises an argon gas protection cover box, wherein a joint is arranged at the argon gas protection cover box, and the argon gas protection cover box is arranged in a closed cavity formed by a sealing head and a shell ring; the side wall of the opening of the argon protection cover box is provided with a high-temperature adhesive tape, the argon protection cover box is tightly pressed at the circumferential seam between the seal head and the shell ring through the high-temperature adhesive tape, and the argon protection cover box can rotate along the circumferential direction of the circumferential seam to keep relative static with an external welding gun; the connector is used for being connected with an external hose so as to continuously fill argon into the argon protection cover box; through the setting of the argon shield box in the closed cavity, to the jar body of both ends head structure, when welding the second way closed circumferential weld, can carry out back argon protection to when solving closed circumferential weld and welding, because of can ' T carrying out back argon protection, and can ' T adopt P/T circumferential weld automatic weld equipment to carry out welding operation's problem.

Description

Argon protection device for closed circular seam
Technical Field
The utility model relates to a closed circular seam welding technical field, specifically speaking relates to a closed circular seam argon protection device.
Background
When the automatic P/T circular seam welding equipment is used for automatically welding circular seams of a shell section and end sockets of a tank body, argon protection is carried out on the back of the welding seam, wherein the argon protection of the circular seam of the butt joint of a first end socket and the shell section extends into the shell section through a tail gas protection cross beam arranged on a welding machine, an argon protection cover box is used for pressing the inner wall of the shell section, argon is introduced into the cover box to be used as the tail gas protection of the automatic P/T welding machine, when the butt joint of a second end socket and the shell section is welded, because the shell section is formed into a closed cavity by the two end sockets, the argon protection cross beam arranged on the welding machine cannot penetrate through the first end socket and extend into the shell section, the closed circular seam cannot realize back argon protection, argon protection is not carried out, the welding cannot be carried out by the automatic P/T welding machine, only a manual welding mode can be adopted, the manual welding efficiency is low, the labor intensity is high, and the welding quality is not easy to guarantee.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a closed circular seam argon protection device.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
a closed circular seam argon protection device comprises,
the argon protection cover box is arranged in a closed cavity formed by an end enclosure and a cylinder section;
the side wall of the opening of the argon protection cover box is provided with a high-temperature adhesive tape, the argon protection cover box is tightly pressed at the circumferential seam between the seal head and the shell ring through the high-temperature adhesive tape, and the argon protection cover box can rotate along the circumferential direction of the circumferential seam to keep relative rest with an external welding gun; the connector is used for being connected with an external hose so as to continuously fill argon into the argon protection cover box.
Preferably, the device also comprises, arranged in the closed cavity:
the length of the rotary pressing mechanism is matched with the inner diameter of the shell ring, and two ends of the rotary pressing mechanism are pressed on the inner side wall of the shell ring so as to keep the rotary pressing mechanism and the shell ring in a relative static state;
one end of the square tube is connected with an argon shield box, and the other end of the square tube is provided with a counterweight plate;
one end of the connecting mechanism is matched with the rotary pressing mechanism, and the other end of the connecting mechanism is matched with the square pipe;
wherein, the square tube can rotate around the connecting mechanism; the counterweight plate is used for increasing the weight of the other end of the square pipe so as to enable the square pipe to be in a vertical state all the time and to be kept static relative to an external welding gun in the process of rotating around the connecting mechanism.
Preferably, one end of the square tube extends outwards in the axial direction of the square tube and is provided with a first mounting block; a first adjusting rod is arranged at the first mounting block; one end of the first adjusting rod penetrates through the first mounting block and is limited on the first mounting block through the end part fixture block, and the other end of the first adjusting rod is connected with the argon protection cover box through threads; a first spring is sleeved outside the first adjusting rod;
the first spring is used for keeping the trend that the first adjusting rod moves towards the direction far away from the square pipe so as to drive the argon protection cover box to be tightly pressed at the circular seam; the pressing force of the first spring is adjusted through the threaded connection between the first adjusting rod and the argon protection cover box.
Preferably, the other end of the square tube is provided with a first connecting rod; one end of the first connecting rod is fixedly connected with the other end of the square pipe through threads, and the other end of the first connecting rod is fixedly connected with the supporting plate through threads; the counterweight plate is sleeved on the first connecting rod between the square tube and the support plate.
Preferably, the rotary pressing mechanism includes, in combination,
the inner sleeve adjusting rod is perpendicular to the axial direction of the cylinder section;
the outer sleeve adjusting rod is sleeved outside the inner sleeve adjusting rod and can move relative to the inner sleeve adjusting rod along the axial direction of the inner sleeve adjusting rod;
the first adjusting assembly is matched with one end of the inner sleeve adjusting rod;
the second adjusting component is matched with one end of the outer sleeve adjusting rod;
the ejector rods are arranged at the first adjusting assembly and the second adjusting assembly; the inner sleeve adjusting rod is extruded with the inner side wall of the cylinder section through the ejector rod at the first adjusting assembly, and the outer sleeve adjusting rod is extruded with the inner side wall of the cylinder section through the ejector rod at the second adjusting assembly;
the other end of the outer sleeve adjusting rod is sleeved outside the other end of the inner sleeve adjusting rod, and the length of the whole rotary pressing mechanism is matched with the inner diameter of the cylinder section through adjusting the relative position between the outer sleeve adjusting rod and the inner sleeve adjusting rod.
Preferably, the first adjustment assembly includes,
the first adjusting ring is sleeved outside one end of the inner sleeve adjusting rod;
one end of the second connecting rod is matched with one end of the inner sleeve adjusting rod, and the other end of the second connecting rod is matched with the first adjusting ring;
the second spring is sleeved outside the second connecting rod;
the first adjusting ring is provided with a first mounting block extending towards the axial direction of the first adjusting ring; one end of the second connecting rod penetrates through the second mounting block and is limited on the second mounting block through the end clamping block, and the other end of the second connecting rod is fixedly connected with the third mounting block through threads; the second spring is used for keeping the trend that the first adjusting ring moves towards the direction far away from the inner sleeve adjusting rod.
Preferably, a first nut is sleeved outside the first adjusting ring, and the first nut is in threaded connection with the first adjusting ring; a first mounting ring is arranged at the end part of the first nut far away from the first adjusting ring, and one end of the inner sleeve adjusting rod can extend into the first mounting ring; the ejector pin is arranged on the first mounting ring.
Preferably, the attachment mechanism includes, in combination,
one end of the bearing block is matched with the square pipe, the other end of the bearing block is inwards sunken to form an installation groove, and the section of the installation groove is convex;
one end of the rotating shaft extends into the mounting groove, and the other end of the rotating shaft is matched with the outer sleeve adjusting rod; the end part of one end of the rotating shaft extending into the mounting groove extends towards the direction of the other end of the rotating shaft and is provided with a fixing groove;
the bearing is sleeved outside the rotating shaft and is positioned in the fixing groove;
wherein, the tip of the one end of pivot is equipped with through the bolt and is used for keeping out fixed limiting plate to the bearing in the fixed slot.
Preferably, the other end of the rotating shaft is provided with a lantern ring along the axial direction vertical to the rotating shaft, and the lantern ring is sleeved outside the outer sleeve adjusting rod; a plurality of first fixing holes are formed in the inner sleeve adjusting rod along the axial direction of the inner sleeve adjusting rod, a plurality of second fixing holes matched with the first fixing holes are formed in the outer sleeve adjusting rod along the axial direction of the outer sleeve adjusting rod, and third fixing holes matched with the first fixing holes and the second fixing holes are formed in the lantern ring; and one end of the positioning column extends into the first fixing hole and the second fixing hole, and the positioning column is matched with different first fixing holes and different second fixing holes to adjust the relative positions of the inner sleeve adjusting rod and the outer sleeve adjusting rod and the position of the lantern ring on the outer sleeve adjusting rod.
Preferably, a square sleeve is arranged at one end of the bearing seat along the axial direction perpendicular to the bearing seat, and the sleeve is sleeved outside the square pipe; a flange is arranged at the sleeve; the flange is provided with a positioning bolt which can extend into the sleeve and is used for adjusting the relative position of the square pipe and the sleeve.
The utility model discloses possess following beneficial effect at least:
1. through the setting of the argon shield box in the closed cavity, to the jar body of both ends head structure, when welding the second way closed circumferential weld, can carry out back argon protection to when solving closed circumferential weld and welding, because of can ' T carrying out back argon protection, and can ' T adopt P/T circumferential weld automatic weld equipment to carry out welding operation's problem.
2. Through the setting of high temperature sticky tape, because can be along with the production of high temperature during the welding, attached on the side that argon gas protective cover box and shell ring and second head contacted through high temperature sticky tape to make argon gas protective cover box compress tightly on shell ring and second head through high temperature sticky tape, thereby play the guard action to argon gas protective cover box, improve the life of argon gas protective cover box.
3. Through the setting of rotatory hold-down mechanism, the realization that can the preferred is square pipe and provides the effect of support to in outside welder's welding process, realization that can the preferred side pipe is vertical state all the time and carries out the guard action through argon gas.
4. Through the arrangement of the connecting mechanism, the combination of the rotary dynamic rotary pressing mechanism and the non-rotary static square tube can be better realized.
5. Through the setting of first adjusting part and second adjusting part, can realize better that will surpass the rotatory hold-down mechanism shrink of the internal diameter of shell ring in the shell ring to the realization compresses tightly the effect through the ejector pin to the inside wall of shell ring.
Drawings
FIG. 1 is a first schematic view of the installation of the closed loop seam argon gas protection device in the shell ring of the embodiment 1;
FIG. 2 is a second schematic view of the installation of the closed loop seam argon gas protection device in the shell ring of the embodiment 1;
FIG. 3 is a schematic view of an argon shield apparatus for sealing a closed loop seam in example 1;
FIG. 4 is an enlarged view of a portion of FIG. 1 at A;
fig. 5 is a top view of the closed loop seam argon shield of fig. 3.
The names of the parts indicated by the numerical references in the drawings are as follows:
110. an argon shield box; 120. a shell ring; 121. a first end enclosure; 122. a second end enclosure; 123. a manhole; 130. an external welding gun; 140. rotating the pressing mechanism; 141. an inner sleeve adjusting rod; 142. an adjusting rod is sleeved outside; 143. a first adjustment assembly; 144. a second adjustment assembly; 145. a top rod; 146. a second adjusting ring; 147. a third connecting rod; 148. a third spring; 149. a fourth mounting block; 150. a square tube; 151. a weight plate; 152. a first mounting block; 153. a first adjusting lever; 154. a first spring; 155. a first connecting rod; 156. a support plate; 160. a connecting mechanism; 170. a first adjusting ring; 171. a second connecting rod; 172. a second spring; 173. a second mounting block; 174. a third mounting block; 175. a first nut; 176. a first mounting ring; 177. a fifth mounting block; 180. a first fixing hole; 181. a positioning column; 182. a second nut; 183. a second mounting ring; 184. a second card slot; 190. a first card slot; 210. a joint; 220. a third fixing hole; 230. a roller frame; 240. a connecting lantern ring; 310. a high temperature adhesive tape; 320. a bearing seat; 321. a fixing ring; 322. a base body; 330. a rotating shaft; 340. a collar; 350. a second fixing hole; 360. a sleeve; 361. a flange; 410. mounting grooves; 420. fixing grooves; 430. a bearing; 440. and a limiting plate.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention only and are not limiting.
Example 1
As shown in fig. 1-3 and 5, the present embodiment provides a closed-loop argon shield apparatus, comprising,
the argon protection cover box 110, the argon protection cover box 110 is provided with a joint 210, and the argon protection cover box 110 is arranged in a closed cavity formed by a seal head and a shell ring 120;
the side wall of the opening of the argon shield box 110 is provided with a high-temperature adhesive tape 310, the argon shield box 110 is tightly pressed at the circumferential seam between the end socket and the shell ring 120 through the high-temperature adhesive tape 310, and the argon shield box 110 can rotate along the circumferential direction of the circumferential seam to keep relative rest with the external welding gun 130; the connector 210 is used to connect with an external hose to continuously fill the argon shield box 110 with argon.
In this embodiment, the sealing head includes a first sealing head 121 and a second sealing head 122, and a manhole 123 is arranged on the second sealing head 122 through the second sealing head 122; the external welding gun 130 is a P/T circular seam automatic welding device and is kept fixed in the automatic welding process;
in this embodiment, the shell ring 120 is first placed on the roller frame 230, and then spot welding is performed between the shell ring 120 and the first end socket 121 by the external welding gun 130, so that the first end socket 121 is fixed on the shell ring 120; then, the roller frame 230 is started, so that the roller frame 230 drives the shell ring 120 to rotate along the circumferential direction of the shell ring 120, and at the moment, the first seal head 121 rotates along with the shell ring 120 to keep relative rest with the shell ring 120; moving the outer welding gun 130 to the circumferential seam between the shell ring 120 and the first end socket 121, so that the outer welding gun 130 starts to weld the circumferential seam between the shell ring 120 and the first end socket 121; argon protection of a circumferential seam at the joint of the first seal head 121 and the shell ring 120 extends into the shell ring 120 through a tail gas protection beam carried by the external welding gun 130, so that an argon protection cover box 110 carried by the external welding gun 130 compresses the circumferential seam between the shell ring 120 and the first seal head 121, argon is introduced into the argon protection cover box 110 to serve as tail gas protection for automatic welding of the external welding gun 130, and welding between the first seal head 121 and the shell ring 120 is realized;
when the second seal head 122 is welded on the shell ring 120, the second seal head 122 is firstly fixed on the shell ring 120 in a spot welding manner; the parts of the closed-loop argon protection device in this embodiment are placed into the closed cavity through the manhole 123 on the second seal head 122, and an installer enters the closed cavity through the manhole 123, so as to perform the assembly operation of the closed-loop argon protection device in this embodiment, then the hose for supplying argon from the outside is placed into the closed cavity through the manhole 123, and the hose is fixedly connected with the connector 210 on the argon protection cover box 110 in the closed-loop argon protection device in this embodiment through the operation of the installer, and then the installer leaves the closed cavity through the manhole 123; then, the external welding gun 130 is moved to the circumferential seam between the shell ring 120 and the second end enclosure 122, so that the roller frame 230 is started to enable the shell ring 120 and the second end enclosure 122 to synchronously rotate; at this time, the argon shield box 110 is kept relatively static with the external welding gun 130 in the closed cavity, so that in the process of rotating the shell ring 120 and the second end socket 122, the external welding gun 130 and the argon shield box 110 synchronously rotate relative to the shell ring 120 along the circumferential direction of the circumferential seam, so that the matching between the external welding gun 130 and the argon shield box 110 in the closed cavity is realized, and the welding of the circumferential seam between the second end socket 122 and the shell ring 120 is realized;
through the arrangement of the argon shield box 110 in the closed cavity, for the tank body with the end enclosure structure at two ends, when the second closed circular seam is welded, back argon shield can be performed, so that the problem that when the closed circular seam is welded, the welding operation cannot be performed by adopting P/T circular seam automatic welding equipment due to the fact that back argon shield cannot be performed is solved;
through the arrangement of the high-temperature adhesive tape 310, high temperature is generated during welding, and the high-temperature adhesive tape 310 is attached to the side face of the argon shield box 110, which is in contact with the cylinder section 120 and the second seal head 122, so that the argon shield box 110 is pressed against the cylinder section 120 and the second seal head 122 through the high-temperature adhesive tape 310, the argon shield box 110 is protected, and the service life of the argon shield box 110 is prolonged.
In this embodiment, the present invention further includes:
the length of the rotary pressing mechanism 140 is matched with the inner diameter of the shell ring 120, and both ends of the rotary pressing mechanism 140 are pressed on the inner side wall of the shell ring 120 so as to keep the rotary pressing mechanism 140 in a relatively static state with the shell ring 120;
one end of the square tube 150 is connected with the argon shield box 110, and the other end of the square tube 150 is provided with a counterweight plate 151;
one end of the connecting mechanism 160 is matched with the rotary pressing mechanism 140, and the other end of the connecting mechanism 160 is matched with the square pipe 150;
wherein, the square tube 150 can rotate around the connecting mechanism 160; the weight plate 151 is used to increase the weight of the other end of the square pipe 150 to make the square pipe 150 in a vertical state all the time and to keep relatively stationary with the external welding torch 130 during the rotation around the connection mechanism 160.
Through the structure in the embodiment, when assembling the argon gas protection device for the closed circular seam in the embodiment, an installer firstly assembles the rotary pressing mechanism 140, adjusts the length of the rotary pressing mechanism 140 so that the length of the rotary pressing mechanism 140 can be matched with the inner diameter of the shell ring 120 and both ends of the rotary pressing mechanism 140 are pressed on the inner side wall of the shell ring 120, so that when the shell ring 120 rotates on the roller frame 230, the rotary pressing mechanism 140 can rotate correspondingly along with the shell ring 120 and keep relatively static with the shell ring 120; then, the square tube 150 is connected with the argon shield box 110 and the counterweight plate 151 for installation; then, the square tube 150 is connected and installed with the rotary pressing mechanism 140 through the connecting mechanism 160, so that the whole closed circular seam argon protection device is assembled;
when the welding device is used, the roller frame 230 drives the shell ring 120 and the second seal head 122 to rotate, at this time, the rotary pressing mechanism 140 correspondingly rotates along with the shell ring 120, and meanwhile, because the other end of the square pipe 150 is provided with the counterweight plate 151 and the square pipe 150 can rotate around the connecting mechanism 160, so that the square pipe 150 can be always kept in a vertical state and the other end of the square pipe 150 can be always kept below in the rotating process of the rotary pressing mechanism 140 and the shell ring 120, so that one end of the square pipe 150 can be always lifted up, the argon shield box 110 at one end of the square pipe 150 can be always located at a circumferential seam corresponding to the external welding gun 130, and therefore, in the rotating process of the shell ring 120 and the second seal head 122, the argon shield box 110 can be always matched with the external welding gun 130, so that in the process of welding the circumferential seam by the external welding gun 130, the argon shield box 110 can realize the protection effect of protecting the inside of a closed cavity through argon gas;
through the arrangement of the rotary pressing mechanism 140, the square tube 150 can be supported better, so that the square tube 150 can be protected by argon gas in a vertical state better in the welding process of the external welding gun 130;
through the arrangement of the connecting mechanism 160, the combination of the rotary dynamic rotary pressing mechanism 140 and the non-rotary static square tube 150 can be realized better;
through the arrangement of the square tube 150, the argon shield box 110 can be supported and the non-rotation static operation of the argon shield box 110 can be realized.
In this embodiment, one end of the square tube 150 is provided with a first mounting block 152 extending outward in the axial direction of the square tube 150; a first adjusting rod 153 is arranged at the first mounting block 152; one end of the first adjusting rod 153 penetrates through the first mounting block 152 and is limited on the first mounting block 152 through an end fixture block, and the other end of the first adjusting rod 153 is connected with the argon shield box 110 through threads; a first spring 154 is sleeved outside the first adjusting rod 153;
the first spring 154 is used for keeping the trend that the first adjusting rod 153 moves towards the direction away from the square pipe 150 so as to drive the argon shield box 110 to be tightly pressed at the circular seam; the first adjusting rod 153 is connected with the argon shield box 110 through threads to adjust the pressing force of the first spring 154.
In this embodiment, the bottom of the argon shield box 110 is provided with a connection collar 240 for the other end of the first adjusting rod 153 to extend into, and the connection collar 240 is connected with the other end of the first adjusting rod 153 through a thread;
through the structure in this embodiment, during assembly, the other end of the first adjusting rod 153 passes through the first mounting block 152, the first spring 154 is sleeved outside the first adjusting rod 153 through the other end of the first adjusting rod 153, and then the other end of the first adjusting rod 153 is connected with the connecting sleeve ring 240 through threads by rotating the first adjusting rod 153, so that the connection between the argon shield box 110 and the square tube 150 is realized;
during the use, after square pipe 150 is connected with coupling mechanism 160, the installer is through applying the effort to argon gas protection cover box 110, make argon gas protection cover box 110 compress first spring 154 through driving first regulation pole 153, thereby place argon gas protection cover box 110 between square pipe 150 and circumferential weld, remove again and apply the effort to argon gas protection cover box 110, thereby make argon gas protection cover box 110 compress tightly the circumferential weld department between shell ring 120 and second head 122 under the elastic force effect of first spring 154, again through rotating first regulation pole 153, thereby realize adjusting the distance between square pipe 150 and argon gas protection cover box 110 through the threaded connection between first regulation pole 153 and the connection lantern ring 240, thereby realize adjusting the size of the packing force of first spring 154.
Through the arrangement of the first adjusting rod 153 and the first spring 154, on one hand, the first spring 154 and the first adjusting rod 153 are matched to better realize the compressing effect of the argon shield box 110 at the circumferential seam between the cylinder section 120 and the second seal head 122, so that the purpose of argon shield in the welding process of the circumferential seam is achieved, meanwhile, the first spring 154 is compressed through the first adjusting rod 153 to generate a certain pressing force, so that the high-temperature adhesive tape 310 attached to the argon shield box 110 is attached to the inner wall of the tank body around the circumferential seam to be welded, the argon sealing effect is achieved, and the leakage of argon is reduced; on the other hand, the pressing force can be adjusted to prevent the situation that the argon shield box 110 and the square tube 150 rotate along with the cylindrical shell section 120 due to the fact that the argon shield box 110 is attached to the inner wall of the tank body too tightly because of overlarge pressing force, the position of the argon shield box 110 does not correspond to the position of the external welding gun 130, the argon shield fails, and the automatic welding process fails.
In this embodiment, the other end of the square tube 150 is provided with a first connecting rod 155; one end of the first connecting rod 155 is fastened to the other end of the square pipe 150 by a screw, and the other end is fastened to the supporting plate 156 by a screw; the weight plate 151 is sleeved on the first connecting rod 155 between the square tube 150 and the supporting plate 156.
In this embodiment, the number of the weight plates 151 may be increased or the weight of a single weight plate 151 may be increased according to actual needs;
through the structure in the embodiment, when being installed, one end of the first connecting rod 155 is fastened to the other end of the square pipe 150 through threads, the counterweight plate 151 is sleeved on the first connecting rod 155, and finally the other end of the first connecting rod 155 is fastened to the support plate 156;
through the arrangement of the weight plate 151, the other end of the square pipe 150 can have enough weight in the process that the barrel section 120 drives the rotary pressing mechanism 140 to rotate, so that the square pipe 150 can be kept in a vertical state through rotation between the square pipe and the connecting mechanism 160 all the time, the argon shield box 110 at one end of the square pipe 150 can be located at a position corresponding to the external welding gun 130 all the time, and the argon shield box 110 can be protected in the welding process preferably;
through the setting of backup pad 156, can realize dismantling the change of counterweight plate 151 better, play the effect of support to counterweight plate 151 simultaneously.
In this embodiment, the rotary pressing mechanism 140 includes,
the inner sleeve adjusting rod 141 is arranged perpendicular to the axial direction of the barrel section 120;
the outer sleeve adjusting rod 142 is sleeved outside the inner sleeve adjusting rod 141 and can move relative to the inner sleeve adjusting rod 141 along the axial direction of the inner sleeve adjusting rod 141;
a first adjusting assembly 143, the first adjusting assembly 143 being engaged with one end of the inner sleeve adjusting lever 141;
a second adjustment assembly 144, the second adjustment assembly 144 being engaged with one end of the outer sheath adjustment rod 142;
the ejector rod 145 is arranged at each of the first adjusting component 143 and the second adjusting component 144; the inner adjusting rod 141 is extruded with the inner side wall of the shell ring 120 through the top rod 145 at the first adjusting component 143, and the outer adjusting rod 142 is extruded with the inner side wall of the shell ring 120 through the top rod 145 at the second adjusting component 144;
the other end of the outer adjusting rod 142 is sleeved outside the other end of the inner adjusting rod 141, and the length of the whole rotary pressing mechanism 140 is matched with the inner diameter of the barrel section 120 by adjusting the relative position between the outer adjusting rod 142 and the inner adjusting rod 141.
Through the structure in the embodiment, when the assembly is performed, the other end of the outer adjusting rod 142 is firstly sleeved outside the other end of the inner adjusting rod 141, the first adjusting component 143 is installed at one end of the inner adjusting rod 141, the second adjusting component 144 is installed at one end of the outer adjusting rod 142, and then the top rods 145 are installed on the first adjusting component 143 and the second adjusting component 144, so that the assembly of the rotary pressing mechanism 140 is realized; in the process, the length of the whole body formed by the inner sleeve adjusting rod 141, the outer sleeve adjusting rod 142, the first adjusting component 143, the second adjusting component 144 and the ejector rod 145 is larger than the inner diameter of the cylinder section 120, and the ejector rod 145 can be contracted in the cylinder section 120 under the action of the first adjusting component 143 and the second adjusting component 144 during assembly, so that the inner side wall of the cylinder section 120 is compressed by the ejector rod 145;
the length of the whole rotary pressing mechanism 140 can be preferably adjusted by arranging the inner sleeve adjusting rod 141 and the outer sleeve adjusting rod 142;
through the arrangement of the first adjusting component 143 and the second adjusting component 144, the rotary pressing mechanism 140 exceeding the inner diameter of the shell ring 120 can be preferably contracted in the shell ring 120, so that the inner side wall of the shell ring 120 is pressed through the ejector rod 145;
through the setting of ejector rod 145, can preferably realize the extrusion between the inside wall of whole rotatory hold-down mechanism 140 and shell ring 120 to make rotatory hold-down mechanism 140 can follow shell ring 120 better and rotate.
In this embodiment, the first adjustment assembly 143 includes,
the first adjusting ring 170, the first adjusting ring 170 is sleeved outside one end of the inner adjusting rod 141;
a second connecting rod 171, one end of the second connecting rod 171 is matched with one end of the inner adjusting rod 141, and the other end is matched with the first adjusting ring 170;
the second spring 172, the second spring 172 is sleeved outside the second connecting rod 171;
wherein, one end of the inner adjusting rod 141 extends outward in the axial direction of the inner adjusting rod 141 to be provided with a second mounting block 173, and the first adjusting ring 170 extends outward in the axial direction of the first adjusting ring 170 to be provided with a third mounting block 174; one end of the second connecting rod 171 penetrates through the second mounting block 173 and is limited on the second mounting block 173 by an end fixture block, and the other end of the second connecting rod 171 is fastened and connected with the third mounting block 174 by a thread; the second spring 172 serves to maintain the tendency of the first adjustment ring 170 to move in a direction away from the inner set adjustment lever 141.
Through the structure in the embodiment, during assembly, the other end of the second connecting rod 171 firstly passes through the second mounting block 173, then the second spring 172 is sleeved outside the second connecting rod 171, and then the first adjusting ring 170 is sleeved outside one end of the inner sleeve adjusting rod 141, at this time, the other end of the second connecting rod 171 is tightly connected with the third mounting block 174 through threads, thereby realizing assembly;
when the cylindrical shell 120 is installed, the second spring 172 is compressed, so that the whole rotary pressing mechanism 140 exceeding the inner diameter of the cylindrical shell 120 is contracted in the cylindrical shell 120, and a pressing effect between the ejector rod 145 and the inner side wall of the cylindrical shell 120 is realized; meanwhile, the second connecting rod 171 is rotated, so that the distance between the second mounting block 173 and the third mounting block 174 is increased through the threaded connection between the second connecting rod 171 and the third mounting block 174, at this time, the length of the second spring 172 sleeved on the second connecting rod 171 is matched with the distance between the second mounting block 173 and the third mounting block 174, so that the whole rotary pressing mechanism 140 can be contracted into the shell ring 120 only by compressing the second spring 172 in a larger size, and the ejector rod 145 can generate a larger pressing force on the inner side wall of the shell ring 120, thereby ensuring the pressing effect between the rotary pressing mechanism 140 and the shell ring 120, and ensuring that the rotary pressing mechanism 140 can rotate together with the shell ring 120.
In this embodiment, a first nut 175 is sleeved outside the first adjusting ring 170, and the first nut 175 is connected with the first adjusting ring 170 through a thread; the end part of the first nut 175 far away from the first adjusting ring 170 is provided with a first mounting ring 176, and one end of the inner sleeve adjusting rod 141 can extend into the first mounting ring 176; the ejector 145 is provided on the first mounting ring 176.
In this embodiment, the first mounting ring 176 is provided with a first engaging groove 190, and the push rod 145 is engaged in the first engaging groove 190 to mount the push rod 145 on the first mounting ring 176;
with the configuration of this embodiment, during assembly, the first nut 175 is threaded onto the first adjusting ring 170 to mount the first mounting ring 176 on the first adjusting ring 170, and then one end of the push rod 145 is clamped into the first clamping groove 190 to mount the push rod 145 on the first adjusting ring 170;
in use, the position of first nut 175 on first adjustment ring 170 is adjusted by rotating first nut 175, thereby preferably adjusting the compression force between ram 145 and shell ring 120, and preferably ensuring synchronous rotation between rotary compression mechanism 140 and shell ring 120.
In this embodiment, the second adjustment assembly 144 includes,
a second adjusting ring 146, wherein the second adjusting ring 146 is sleeved outside one end of the outer sleeve adjusting rod 142;
a third connecting rod 147, one end of the third connecting rod 147 is matched with one end of the outer sleeve adjusting rod 142, and the other end is matched with the second adjusting ring 146;
the third spring 148, the third spring 148 is sleeved outside the third connecting rod 147;
a fourth mounting block 149 extends from one end of the outer adjusting rod 142 in the axial direction of the outer adjusting rod 142, and a fifth mounting block 177 extends from the second adjusting ring 146 in the axial direction of the second adjusting ring 146; one end of the third connecting rod 147 penetrates through the fourth mounting block 149, the limit of one end of the third connecting rod 147 on the fourth mounting block 149 is realized through an end clamping block, and the other end of the third connecting rod 147 is fastened and connected with the fifth mounting block 177 through threads; the third spring 148 acts to maintain the tendency of the second adjustment ring 146 to move away from the outer housing adjustment rod 142.
Through the structure in the embodiment, during assembly, the other end of the third connecting rod 147 passes through the fourth mounting block 149, the third spring 148 is sleeved outside the third connecting rod 147, the second adjusting ring 146 is sleeved outside one end of the outer adjusting rod 142, and at this time, the other end of the third connecting rod 147 is fastened and connected with the fifth mounting block 177 through threads, so that assembly is realized;
when the cylindrical shell 120 is installed, the third spring 148 is compressed, so that the whole rotary pressing mechanism 140 exceeding the inner diameter of the cylindrical shell 120 is contracted in the cylindrical shell 120, and the pressing effect between the ejector rod 145 and the inner side wall of the cylindrical shell 120 is realized; meanwhile, the third connecting rod 147 is rotated, so that the distance between the fourth mounting block 149 and the fifth mounting block 177 is increased through the threaded connection between the third connecting rod 147 and the fifth mounting block 177, at this time, the length of the third spring 148 sleeved on the third connecting rod 147 is matched with the distance between the fourth mounting block 149 and the fifth mounting block 177, so that the third spring 148 is compressed in a larger size to contract the whole rotary pressing mechanism 140 into the shell ring 120, and the top rod 145 can generate a larger pressing force on the inner side wall of the shell ring 120, thereby ensuring the pressing effect between the rotary pressing mechanism 140 and the shell ring 120, and ensuring that the rotary pressing mechanism 140 can rotate together with the shell ring 120.
In this embodiment, a second nut 182 is sleeved outside the second adjusting ring 146, and the second nut 182 is connected with the second adjusting ring 146 through a thread; a second mounting ring 183 is arranged at the end part of the second nut 182 far away from the second adjusting ring 146, and one end of the outer sleeve adjusting rod 142 can extend into the second mounting ring 183; the push rod 145 is provided on the second mounting ring 183.
In this embodiment, the second mounting ring 183 is provided with a second locking groove 184, and the push rod 145 is locked into the second locking groove 184 to mount the push rod 145 on the second mounting ring 183;
by the structure in the embodiment, during assembly, the second nut 182 is connected to the outside of the second adjusting ring 146 through threads, so that the second mounting ring 183 is mounted on the second adjusting ring 146, and then one end of the push rod 145 is clamped into the second clamping groove 184, so that the push rod 145 is mounted on the second adjusting ring 146;
in use, the position of the second nut 182 on the second adjustment ring 146 is adjusted by rotating the second nut 182, thereby preferably adjusting the pressing force between the push rod 145 and the barrel section 120, and preferably ensuring synchronous rotation between the rotary pressing mechanism 140 and the barrel section 120.
As shown in fig. 4, in this embodiment, the connection mechanism 160 includes,
one end of the bearing block 320 is matched with the square pipe 150, the other end of the bearing block 320 is inwards recessed to form a mounting groove 410, and the section of the mounting groove 410 is convex;
one end of the rotating shaft 330 extends into the mounting groove 410, and the other end of the rotating shaft 330 is matched with the outer sleeve adjusting rod 142; the end of one end of the rotating shaft 330 extending into the mounting groove 410 is provided with a fixing groove 420 extending towards the other end of the rotating shaft 330;
the bearing 430 is sleeved outside the rotating shaft 330 and positioned in the fixing groove 420;
the end of the rotating shaft 330 is provided with a stopper plate 440 for fixing the bearing 430 in the fixing groove 420 by a bolt.
In this embodiment, the number of the bearings 430 is 3; the bearing seat 320 is formed by fixedly connecting a fixing ring 321 for mounting the bearing 430 and a seat body 322 connected with the square tube 150 through bolts, and an inner ring of the fixing ring 321 and an end surface of the seat body 322 jointly form a mounting groove 410;
through the structure in this embodiment, during assembly, the bearings 430 are sequentially placed into the fixing ring 321, one end of the rotating shaft 330 is inserted into the fixing ring 321, the bearings 430 are sleeved outside one end of the rotating shaft 330, the limiting plate 440 is fastened to one end of the rotating shaft 330 through bolts, the limiting plate 440 and the fixing groove 420 together form a limiting position for the bearings 430, so that the bearings 430 are fixedly mounted on the rotating shaft 330, the fixing ring 321 and the base body 322 are fastened and connected through bolts, so that the bearings 430 are fixedly mounted in the mounting grooves 410, so that the bearing blocks 320 and the rotating shaft 330 are rotatably connected through the limiting function for the bearings 430, finally the base body 322 and the square tube 150 are mounted, the rotating shaft 330 and the outer sleeve adjusting rod 142 are connected, and therefore, the assembly of the connecting mechanism 160 is realized;
through the setting of bearing 430, realized being connected between outer sleeve adjusting rod 142 and the square pipe 150 on the one hand, on the other hand has realized the rotation that square pipe 150 wound coupling mechanism 160, thereby realized better that rotatory hold-down mechanism 140 follows shell ring 120 and carries out the pivoted while, square pipe 150 can realize rotating through bearing 430, thereby guaranteed that square pipe 150 can be vertical state all the time, thereby make argon gas shield cover box 110 can be all the time with the corresponding realization of outside welder 130's position carry out argon gas protection at the welded in-process.
In this embodiment, a collar 340 is disposed at the other end of the rotating shaft 330 along an axial direction perpendicular to the rotating shaft 330, and the collar 340 is sleeved outside the outer sheath adjusting rod 142; a plurality of first fixing holes 180 are formed in the inner sleeve adjusting rod 141 along the axial direction of the inner sleeve adjusting rod 141, a plurality of second fixing holes 350 matched with the first fixing holes 180 are formed in the outer sleeve adjusting rod 142 along the axial direction of the outer sleeve adjusting rod 142, and third fixing holes 220 matched with the first fixing holes 180 and the second fixing holes 350 are formed in the lantern ring 340; a positioning column 181 is disposed in the third fixing hole 220, and one end of the positioning column 181 extends into the first fixing hole 180 and the second fixing hole 350, and the positioning column 181 is used for matching with different first fixing holes 180 and different second fixing holes 350 to adjust the relative positions of the inner sleeve adjusting rod 141 and the outer sleeve adjusting rod 142 and the position of the collar 340 on the outer sleeve adjusting rod 142.
Through the structure in this embodiment, when the connecting mechanism 160 and the outer sleeve adjusting rod 142 are connected and installed, the outer sleeve adjusting rod 142 is firstly sleeved outside the inner sleeve adjusting rod 141, the sleeve ring 340 is sleeved outside the outer sleeve adjusting rod 142, the corresponding first fixing hole 180, the second fixing hole 350 and the third fixing hole 220 are positioned correspondingly, the positioning column 181 sequentially passes through the first fixing hole 180, the second fixing hole 350 and the third fixing hole 220, so as to realize the fixed installation among the sleeve ring 340, the outer sleeve adjusting rod 142 and the inner sleeve adjusting rod 141, and then the first adjusting assembly 143 on the inner sleeve adjusting rod 141, the second adjusting assembly 144 on the outer sleeve adjusting rod 142 and the corresponding ejector rod 145 are installed;
the first fixing hole 180 and the second fixing hole 350 at different positions are fixedly connected through the positioning column 181, so that the relative positions of the inner sleeve adjusting rod 141 and the outer sleeve adjusting rod 142 can be preferably adjusted, the length of the rotating and pressing mechanism 140 can be adjusted, and the pressing effect of the rotating and pressing mechanism 140 and the shell ring 120 can be realized; the third fixing hole 220 is fixedly connected with the second fixing holes 350 at different positions through the positioning column 181, so that the position of the connecting mechanism 160 on the outer sleeve adjusting rod 142 can be preferably adjusted, the position of the square pipe 150 can be adjusted through adjusting the position of the connecting mechanism 160, the purpose of adjusting the position of the argon shield box 110 is achieved, the effect of adapting to the cylinder sections 120 with different inner diameters can be preferably achieved through adjusting the position of the argon shield box 110, and argon shielding can be performed on circumferential seams between the cylinder sections 120 with different inner diameters and the second seal head 122;
in this embodiment, since the difference between the diameters of the tube sections 120 of different specifications is generally an integer multiple of 100, the minimum adjustment length of the inner sleeve adjustment rods 141 extending outward in sequence is 100mm, that is, the diameter of the tube section 120 to which the length of the rotary pressing mechanism 140 can be adapted can be 800mm, 900mm, 1000mm, 1100mm, for the tube section 120 with a diameter exceeding 1100mm, only part of the parts need to be replaced again on the basis of the structure, and meanwhile, along with the adjustment of the extension length of the inner sleeve adjustment rods 141, in order to ensure that the argon shield case 110 does not become eccentric when rotating, the position of the rotating shaft 330 needs to be always located at the center position of the tube section 120, and the rotating shaft 330 moves downward according to an integer multiple of 50mm and is connected with the inner sleeve adjustment rods 141 and the outer sleeve adjustment rods 142 through the positioning posts 181.
In this embodiment, a square sleeve 360 is disposed at one end of the bearing housing 320 along an axial direction perpendicular to the bearing housing 320, and the sleeve 360 is sleeved outside the square tube 150; a flange 361 is arranged at the sleeve 360; the flange 361 is provided with a positioning bolt which can extend into the sleeve 360 and is used for adjusting the relative position of the square pipe 150 and the sleeve 360.
Through the structure in the embodiment, during assembly, the square pipe 150 penetrates through the sleeve 360 through the other end of the square pipe 150, the first adjusting rod 153 and the argon shield box 110 are installed at one end of the square pipe 150, the first connecting rod 155, the balancing weight and the supporting plate 156 are installed at the other end of the square pipe 150, then the square pipe 150 is moved to enable the square pipe 150 to be located at a proper position, and the square pipe 150 extends into the sleeve 360 through the flange 361 through the positioning bolt, so that the square pipe 150 is fixedly installed in the sleeve 360;
realize the fixed of square pipe 150 in sleeve pipe 360 through positioning bolt for the accessible adjusts the position of sleeve pipe 360 on square pipe 150, thereby realizes adjusting argon shield cover box 110's position, thereby can be the preferred with the shell ring 120 phase-match of different internal diameters, thereby realize providing argon protection when welding the circumferential weld between shell ring 120 to different internal diameters and second head 122.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims (10)

1. The utility model provides a closed circular seam argon protection device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the argon protection cover box is provided with a joint and arranged in a closed cavity formed by an end socket and a shell ring;
the side wall of the opening of the argon protection cover box is provided with a high-temperature adhesive tape, the argon protection cover box is tightly pressed at the circumferential seam between the seal head and the shell ring through the high-temperature adhesive tape, and the argon protection cover box can rotate along the circumferential direction of the circumferential seam to keep relative rest with an external welding gun; the connector is used for being connected with an external hose so as to continuously fill argon into the argon protection cover box.
2. The argon protection device for the closed circular seam according to claim 1, wherein: still including locating in the closed cavity:
the length of the rotary pressing mechanism is matched with the inner diameter of the shell ring, and two ends of the rotary pressing mechanism are pressed on the inner side wall of the shell ring so as to keep the rotary pressing mechanism and the shell ring in a relatively static state;
one end of the square tube is connected with an argon shield box, and the other end of the square tube is provided with a counterweight plate;
one end of the connecting mechanism is matched with the rotary pressing mechanism, and the other end of the connecting mechanism is matched with the square pipe;
wherein, the square tube can rotate around the connecting mechanism; the counterweight plate is used for increasing the weight of the other end of the square pipe so as to enable the square pipe to be in a vertical state all the time and to be kept static relative to an external welding gun in the process of rotating around the connecting mechanism.
3. The argon protection device for the closed circular seam as claimed in claim 2, wherein: one end of the square tube extends outwards in the axial direction of the square tube and is provided with a first mounting block; a first adjusting rod is arranged at the first mounting block; one end of the first adjusting rod penetrates through the first mounting block and is limited on the first mounting block through the end part fixture block, and the other end of the first adjusting rod is connected with the argon protection cover box through threads; a first spring is sleeved outside the first adjusting rod;
the first spring is used for keeping the trend that the first adjusting rod moves towards the direction far away from the square pipe so as to drive the argon protection cover box to be tightly pressed at the circular seam; the pressing force of the first spring is adjusted through the threaded connection between the first adjusting rod and the argon protection cover box.
4. The argon protection device for the closed circular seam as claimed in claim 2, wherein: the other end of the square tube is provided with a first connecting rod; one end of the first connecting rod is fixedly connected with the other end of the square pipe through threads, and the other end of the first connecting rod is fixedly connected with the supporting plate through threads; the counterweight plate is sleeved on the first connecting rod between the square pipe and the supporting plate.
5. The argon protection device for the closed circular seam as claimed in claim 2, wherein: the rotary pressing mechanism comprises a pressing mechanism and a pressing mechanism,
the inner sleeve adjusting rod is perpendicular to the axial direction of the cylinder section;
the outer sleeve adjusting rod is sleeved outside the inner sleeve adjusting rod and can move relative to the inner sleeve adjusting rod along the axial direction of the inner sleeve adjusting rod;
the first adjusting assembly is matched with one end of the inner sleeve adjusting rod;
the second adjusting component is matched with one end of the outer sleeve adjusting rod;
the ejector rods are arranged at the first adjusting assembly and the second adjusting assembly; the inner sleeve adjusting rod is extruded with the inner side wall of the cylinder section through the ejector rod at the first adjusting assembly, and the outer sleeve adjusting rod is extruded with the inner side wall of the cylinder section through the ejector rod at the second adjusting assembly;
the other end of the outer sleeve adjusting rod is sleeved outside the other end of the inner sleeve adjusting rod, and the length of the whole rotary pressing mechanism is matched with the inner diameter of the cylinder section through adjusting the relative position between the outer sleeve adjusting rod and the inner sleeve adjusting rod.
6. The argon protection device for the closed circular seam according to claim 5, wherein: the first adjustment assembly includes a first adjustment assembly having,
the first adjusting ring is sleeved outside one end of the inner sleeve adjusting rod;
one end of the second connecting rod is matched with one end of the inner sleeve adjusting rod, and the other end of the second connecting rod is matched with the first adjusting ring;
the second spring is sleeved outside the second connecting rod;
the first adjusting ring is provided with a first mounting block extending towards the axial direction of the first adjusting ring; one end of the second connecting rod penetrates through the second mounting block, the limit of one end of the second connecting rod on the second mounting block is realized through the end part fixture block, and the other end of the second connecting rod is fixedly connected with the third mounting block through threads; the second spring is used for keeping the trend that the first adjusting ring moves towards the direction far away from the inner sleeve adjusting rod.
7. The argon protection device for the closed circular seam as claimed in claim 6, wherein: a first nut is sleeved outside the first adjusting ring and is in threaded connection with the first adjusting ring; a first mounting ring is arranged at the end part of the first nut far away from the first adjusting ring, and one end of the inner sleeve adjusting rod can extend into the first mounting ring; the ejector pin is arranged on the first mounting ring.
8. The argon protection device for the closed circular seam as claimed in claim 5, wherein: the connecting mechanism comprises a connecting rod and a connecting rod,
one end of the bearing block is matched with the square pipe, the other end of the bearing block is inwards sunken to form an installation groove, and the section of the installation groove is convex;
one end of the rotating shaft extends into the mounting groove, and the other end of the rotating shaft is matched with the outer sleeve adjusting rod; the end part of one end of the rotating shaft extending into the mounting groove extends towards the direction of the other end of the rotating shaft and is provided with a fixing groove;
the bearing is sleeved outside the rotating shaft and is positioned in the fixing groove;
wherein, the tip of the one end of pivot is equipped with through the bolt and is used for keeping out fixed limiting plate to the bearing in the fixed slot.
9. The argon shield for closed circular seams according to claim 8, wherein: a lantern ring is arranged at the other end of the rotating shaft along the axial direction vertical to the rotating shaft, and the lantern ring is sleeved outside the outer sleeve adjusting rod; a plurality of first fixing holes are formed in the inner sleeve adjusting rod along the axial direction of the inner sleeve adjusting rod, a plurality of second fixing holes matched with the first fixing holes are formed in the outer sleeve adjusting rod along the axial direction of the outer sleeve adjusting rod, and third fixing holes matched with the first fixing holes and the second fixing holes are formed in the lantern ring; and one end of the positioning column extends into the first fixing hole and the second fixing hole, and the positioning column is matched with different first fixing holes and different second fixing holes to adjust the relative positions of the inner sleeve adjusting rod and the outer sleeve adjusting rod and the position of the lantern ring on the outer sleeve adjusting rod.
10. The argon shield for closed circular seams according to claim 8, wherein: one end of the bearing seat is provided with a square sleeve along the axial direction vertical to the bearing seat, and the sleeve is sleeved outside the square pipe; a flange is arranged at the sleeve; the flange is provided with a positioning bolt which can extend into the sleeve and is used for adjusting the relative position of the square pipe and the sleeve.
CN202221650569.9U 2022-06-28 2022-06-28 Argon protection device for closed circular seam Active CN217749804U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221650569.9U CN217749804U (en) 2022-06-28 2022-06-28 Argon protection device for closed circular seam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221650569.9U CN217749804U (en) 2022-06-28 2022-06-28 Argon protection device for closed circular seam

Publications (1)

Publication Number Publication Date
CN217749804U true CN217749804U (en) 2022-11-08

Family

ID=83897400

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221650569.9U Active CN217749804U (en) 2022-06-28 2022-06-28 Argon protection device for closed circular seam

Country Status (1)

Country Link
CN (1) CN217749804U (en)

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