A welding positioning fixture for a slotted bolt

Abstract

The present invention relates to the field of welded pipe-split bolts, and particularly relates to a welding positioning fixture for pipe-split bolts, which includes a support mechanism, a central rod, a pipe connecting mechanism, a U-shaped support, a cross bar, a U-shaped plate, and a sleeving mechanism. In the pipe connecting mechanism of the present invention, inner support type limiting of the pipe fittings is carried out through two symmetrically arranged positioning platforms on the left and right. At the same time, a limiting module is arranged below the positioning platforms. The limiting module makes the gaps of each pipe fitting located on the positioning platforms face downward, so as to determine the starting point of welding during subsequent welding. At the same time, the positioning platforms are internally supported inside the pipe fittings to prevent deformation of the pipe fittings during welding, thereby ensuring the quality of the produced finished products. In the present invention, during the process of sleeving the hoop on the pipe fitting, on the one hand, the pipe fitting is pushed to the left through the rectangular plate, thereby correcting the relative position of the pipe fitting on the positioning platform. On the other hand, the hoop can be vertically sleeved on the pipe fitting, thereby avoiding the inclination angle between the hoop and the pipe fitting to ensure the welding strength.

Description

Technical Field

[0001] The present invention relates to the field of welded pipe-split bolts, and particularly relates to a welding positioning fixture for pipe-split bolts. Background Art

[0002] A pipe-split bolt is a reinforcement material used in geotechnical engineering, mainly for the support of structures such as tunnels, slopes, and underground chambers. It generally consists of a pipe body, a hoop, and a backing plate. The pipe body is generally made of a steel pipe, and there are pre-opened slits on the pipe body to facilitate the penetration of the slurry into the surrounding rock or soil during grouting. The hoop is a ring formed by connecting the head and tail of steel bars, and is sleeved and welded at one end of the pipe body (such as Figure 1 ), and the backing plate is arranged at the end of the bolt exposed on the rock surface to provide support and evenly transmit the anchoring force to the surrounding rock.

[0003] One of the necessary steps in the production of pipe-split bolts is to sleeve the hoop on the pipe fitting and weld the connection between the two. During this process, a welding fixture is needed to fix the pipe fitting. Currently, there are some problems in this step: when welding the connection between the pipe fitting and the hoop, in order to facilitate the removal of the hoop and the pipe fitting connected together after welding, the current clamping scheme generally fixes and clamps the pipe fitting from the outside. When clamping the pipe fitting in this way, due to the thin wall thickness of the pipe fitting, the high temperature generated during the welding process easily causes the pipe fitting to deform, thereby affecting the quality of the pipe-split bolt; usually, it is also necessary for workers to sleeve the hoop on the pipe fitting before the welding work. Since the inner diameter of the hoop must be larger than the outer diameter of the pipe fitting, when the hoop is sleeved on the pipe fitting, the hoop may have a certain inclination angle relative to the pipe fitting after the sleeving is completed. In this case, on the one hand, it will increase the welding difficulty and reduce the welding efficiency, and on the other hand, the welding may be incomplete, thereby affecting the connection strength between the two and ultimately affecting the finished product quality. Summary of the Invention

[0004] To solve the above problems, the present invention adopts the following technical solutions. A welding positioning fixture for pipe-split bolts includes a bottom plate. A support mechanism is connected to the upper end surface of the bottom plate and near the left side. A central rod extending in the left-right direction is connected to the support mechanism. A connecting pipe mechanism is connected to the central rod. The connecting pipe mechanism includes a connecting disc. The connecting disc is fixedly sleeved on the central rod. Two long plates are rotatably connected to the upper and right positions of the right end surface of the connecting disc. A connecting member is rotatably connected between the two long plates and near the right side. The lower end of the connecting member is fixedly connected to a pressing ring with a downward opening. A short plate is rotatably connected between the two long plates and on the left side of the connecting member. A stabilizing component is connected to the lower end of the short plate.

[0005] The stabilizing component includes a positioning table. The positioning table includes a cylindrical section and a conical section. There are two positioning tables arranged symmetrically left and right. The conical sections of the two positioning tables are close to each other and both are sleeved on the central rod. The left positioning table is slidably connected to the central rod. The left end of the left positioning table is also fixedly connected with a circular seat. The circular seat is slidably sleeved on the central rod and is rotationally connected to the short plate. The right positioning table is slidably connected to the central rod. The bottoms of the cylindrical sections of the two positioning tables are both connected with a limiting module.

[0006] On the upper end face of the bottom plate and near the right side, there is a U-shaped support. Between the two vertical sections of the U-shaped support, there are two cross bars fixedly connected symmetrically front and back. A U-shaped plate is slidably connected to the two cross bars. The U-shaped plate is connected with a sleeving mechanism for sleeving the hoop on the pipe body to fix the position.

[0007] Preferably, the supporting mechanism includes a first connecting disc. The first connecting disc is fixedly connected to the bottom plate. At the center of the upper end face of the first connecting disc, there is a vertical rod fixedly connected. The upper end of the vertical rod is rotationally connected to a second connecting disc. The second connecting disc and the first connecting disc are connected by a first torsion spring. On the upper end face of the second connecting disc, there are two vertical frames fixedly connected symmetrically left and right. A central rod is fixedly connected to the two vertical frames together.

[0008] Preferably, the limiting module includes a trapezoidal block. On the side walls of the cylindrical sections of the two positioning tables and near the lower side, there are trapezoidal blocks slidably connected up and down in a matching manner. The narrower ends of the two trapezoidal blocks are close to each other and are both connected to the positioning table through connecting springs.

[0009] Preferably, the sleeving mechanism includes a support plate. At the front and back of the top end of the U-shaped plate, there are two support plates fixedly connected symmetrically. A moving component is connected to the support plate and the U-shaped plate together. On the upper end faces of the two support plates and near the right side, there is a driving component connected together. On the upper end faces of the support plates and near the left side, there are hoop components connected respectively. The two hoop components are both connected to the driving component. On the upper end face of the support plate and on the left side of the hoop component, there is an adjusting component connected.

[0010] Preferably, the moving component includes a transmission roller. There are two transmission rollers arranged symmetrically left and right and are both rotationally connected between the two vertical sections of the U-shaped plate. On the two transmission rollers, there are two belt wheels connected symmetrically front and back together. And between the two belt wheels symmetrically left and right, they are connected by a belt in a transmission manner. A feeding module for placing the hoop is connected to the two belts together. The front roller shaft head of the left transmission roller and the U-shaped plate are connected together with a ratchet and pawl for making the transmission roller rotate unidirectionally. The end faces of the two support plates close to each other are both fixedly connected with limiting frames. The two limiting frames are symmetrically front and back and cooperate with the hoop.

[0011] Preferably, the feeding module includes link members. A plurality of link members are fixedly connected to the outer surface of the belt at equal intervals along its length direction. The link members on the two belts correspond to each other one by one, and the corresponding two link members are fixedly connected by a round rod. A rectangular plate is fixedly connected to the side wall of the round rod and away from the belt.

[0012] Preferably, the driving mechanism includes a connecting seat. The connecting seat is fixedly connected to the upper end surface of the support plate and on the right side. A push rod is slidably penetrated through the connecting seat in the left-right direction. The right ends of the two push rods are fixedly connected to a push plate together. The right side of the push plate is connected to an external driving source. The left end of the push rod is connected to a ferrule assembly, and a delay module is jointly connected to the push rod and the connecting seat.

[0013] Preferably, the delay module includes a rod sleeve. The rod sleeve is fixedly sleeved on the push rod and located on the right side of the connecting seat. The rod sleeve is connected to the connecting seat by a push-pull spring.

[0014] Preferably, the ferrule assembly includes a chute. The chute is opened on the upper end surface of the support plate and on the left side. The chute extends in the left-right direction. A slider is slidably connected in the chute. The right end of the slider is fixedly connected to the push rod. A sliding rod is slidably penetrated through the slider in the front-back direction. A pushing block is fixedly connected to the end of the sliding rod close to the limiting frame. A chamfer matching the ferrule is opened on the right end surface of the pushing block. A limiting piece is fixedly connected to the end of the sliding rod away from the limiting frame. A return spring is connected between the pushing block and the slider.

[0015] Preferably, the position adjustment component includes a mounting rod. The mounting rod is fixedly connected to the upper end surface of the support plate and on the right side of the slider. A pressing plate is rotatably connected to the mounting rod. The pressing plate is fixedly connected to the mounting rod by a second torsion spring. The left ends of the slider and the pushing block are both fixedly connected to a pressing rod matching the pressing plate.

[0016] The beneficial effects of the present invention are as follows: 1. In the pipe connecting mechanism of the present invention, the pipe fittings are limited from the inside by two symmetrically arranged positioning platforms on the left and right. At the same time, a limiting module is arranged below the positioning platform. The limiting module makes the gap of each pipe fitting located on the positioning platform face downward, so as to facilitate determining the starting point of welding in subsequent welding. At the same time, the positioning platform supports the inside of the pipe fitting to prevent the pipe fitting from deforming during welding, thereby ensuring the quality.

[0017] 2. In the present invention, a sleeving mechanism for placing and sleeving a ferrule on the pipe fitting is provided. After the pipe fitting is limited by the positioning platform, during the process of sleeving the ferrule on the pipe fitting by the sleeving mechanism, on the one hand, the pipe fitting will be pushed to the left by the rectangular plate, so as to perform secondary correction on the relative position of the pipe fitting on the positioning platform. On the other hand, the object moving component and the ferrule assembly cooperate to make the ferrule can be vertically sleeved on the pipe fitting, thereby avoiding the inclination angle between the ferrule and the pipe fitting, which is convenient for welding and further ensures the welding strength. Brief Description of the Drawings

[0018] The present invention will be further described below in conjunction with the drawings and examples.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the pipe fitting and the hoop that are the objects of the present invention.

[0020] Figure 2 It is a three-dimensional structural schematic diagram of a pipe-slot type anchor rod welding positioning fixture during operation of the present invention.

[0021] Figure 3 It is a three-dimensional structural schematic diagram of a pipe-slot type anchor rod welding positioning fixture of the present invention.

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the support mechanism and the connecting pipe mechanism in the present invention.

[0023] Figure 5 It is the present invention Figure 4 front view.

[0024] Figure 6 It is the present invention Figure 5 partial enlarged view at A in.

[0025] Figure 7 It is a three-dimensional structural schematic diagram of the sleeving mechanism of the present invention.

[0026] Figure 8 It is a partial cross-sectional view of the sleeving mechanism of the present invention.

[0027] Figure 9 It is a diagram of the change in the front and rear states of the sleeving mechanism of the present invention during operation.

[0028] Figure 10 It is the present invention Figure 8 partial enlarged view at B in.

[0029] In the figure: 1. Support mechanism; 11. First connecting plate; 12. Vertical rod; 13. Second connecting plate; 14. First torsion spring; 15. Vertical frame; 2. Central rod; 3. Pipe connecting mechanism; 31. Connecting disk; 32. Long plate; 33. Connecting piece; 34. Pressing ring; 35. Short plate; 36. Stabilizing assembly; 361. Positioning table; 362. Circular seat; 363. Limiting module; 3631. Trapezoidal block; 3632. Connecting spring; 4. U-shaped support; 5. Cross bar; 6. U-shaped plate; 7. Sleeve mechanism; 71. Support plate; 72. Object moving assembly; 721. Driving roller; 722. Belt; 723. Feeding module; 7231. Link member; 7232. Round rod; 7233. Rectangular plate; 724. Limiting frame; 73. Driving assembly; 731. Connecting seat; 732. Push rod; 733. Push plate; 734. Delay module; 7341. Rod sleeve; 7342. Push-pull spring; 74. Ring sleeve assembly; 741. Chute; 742. Slide block; 743. Slide rod; 744. Pushing block; 745. Limiting piece; 746. Return spring; 75. Position adjusting assembly; 751. Mounting rod; 752. Bracing plate; 753. Second torsion spring; 754. Bracing rod. Detailed implementation manners

[0030] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, the invention can be implemented in many different ways defined and covered by the claims.

[0031] Refer to Figure 2 and Figure 3 As shown in FIGS. and, a welding positioning fixture for a split-set anchor rod includes a bottom plate. A support mechanism 1 is connected to the upper end surface of the bottom plate and near the left side. A central rod 2 extending in the left-right direction is connected to the support mechanism 1. A pipe connecting mechanism 3 is connected to the central rod 2. The pipe connecting mechanism 3 includes a connecting disk 31. The connecting disk 31 is fixedly sleeved on the central rod 2. Two long plates 32 are rotatably connected to the upper right position of the right end surface of the connecting disk 31. A connecting piece 33 is rotatably connected between the two long plates 32 and near the right side. The lower end of the connecting piece 33 is fixedly connected to a pressing ring 34 with an opening downward. A short plate 35 is rotatably connected between the two long plates 32 and on the left side of the connecting piece 33. The lower end of the short plate 35 is connected to a stabilizing assembly 36.

[0032] Refer to Figure 3 and Figure 4, the stabilizing component 36 includes a positioning platform 361. The positioning platform 361 includes a cylindrical section and a conical section. There are two positioning platforms 361 arranged symmetrically left and right. The conical sections of the two positioning platforms 361 are close to each other and are both sleeved on the central rod 2. The left positioning platform 361 is slidably connected to the central rod 2. A circular seat 362 is fixedly connected to the left end of the left positioning platform 361. The circular seat 362 is slidably sleeved on the central rod 2 and is rotatably connected to the short plate 35. The right positioning platform 361 is slidably connected to the central rod 2. Limiting modules 363 are connected to the bottoms of the cylindrical sections of the two positioning platforms 361.

[0033] Refer to Figure 5 and Figure 6 , the limiting module 363 includes a trapezoidal block 3631. Trapezoidal blocks 3631 are slidably connected in the vertical direction to the side walls of the cylindrical sections of the two positioning platforms 361 and are located near the lower side. The narrower ends of the two trapezoidal blocks 3631 are close to each other and are both connected to the positioning platform 361 through connecting springs 3632.

[0034] During specific operation, before the pipe fitting is placed, the right ends of the two long plates 32 are tilted upward, the included angle between the short plate 35 and the central rod 2 is relatively large, the circular seat 362 and the left positioning platform 361 are located at the left end of the central rod 2. At this time, the distance between the two positioning platforms 361 is greater than the length of the pipe fitting. The staff aligns the gap of the pipe fitting downward and with the central rod 2, and then sleeves the pipe fitting on the central rod 2 from top to bottom. Then, the right end of the long plate 32 is pressed to rotate it into a horizontal state. During this process, the left positioning platform 361 slides to the right along the central rod 2. While pushing the pipe fitting to slide to the right along the central rod 2 and contact the right positioning platform 361, it also makes the two ends of the pipe fitting slide along the conical sections of the two positioning platforms 361 and be sleeved on the conical sections of the two positioning platforms 361. At the same time, under the restriction of the two trapezoidal blocks 3631, the gap on the pipe fitting always faces downward, so as to facilitate determining the starting welding point when the hoop is welded on the pipe fitting subsequently.

[0035] Refer to Figure 3 、 Figure 4 and Figure 5 , a U-shaped support 4 is connected to the upper end surface of the bottom plate and is located on the right side. Two cross bars 5 are symmetrically and fixedly connected to the front and back between the two vertical sections of the U-shaped support 4. A U-shaped plate 6 is slidably connected to the two cross bars 5 together. Initially, the U-shaped plate 6 is located at the rightmost end of the two cross bars 5. A sleeving mechanism 7 for sleeving the hoop on the pipe body and fixing its position is connected to the U-shaped plate 6. The right end of the sleeving mechanism 7 is connected to an external air cylinder that pushes it to move leftward.

[0036] Refer to Figure 3 、 Figure 4 and Figure 5The support mechanism 1 includes a No. 1 connecting plate 11, which is fixedly connected to the bottom plate. A vertical rod 12 is fixedly connected to the upper end surface of the No. 1 connecting plate 11 and located at the center. The upper end of the vertical rod 12 is rotatably connected to a No. 2 connecting plate 13. The No. 2 connecting plate 13 is connected to the No. 1 connecting plate 11 through a No. 1 torsion spring 14. The upper end surface of the No. 2 connecting plate 13 is symmetrically fixedly connected to two vertical frames 15, and the two vertical frames 15 are commonly fixedly connected to a center rod 2.

[0037] During the specific work, after the pipe fitting is limited by the two positioning tables 361, the staff places a hoop on the sleeve mechanism 7, and then drives the sleeve mechanism 7 and the U-shaped plate 6 to move to the left synchronously through the external cylinder. When the U-shaped plate 6 moves to the leftmost side, the sleeve mechanism 7 continues to operate to first push the pipe fitting to the left by a certain distance, so that the left end of the pipe fitting contacts the round seat 362, and then the hoop on the leftmost side is sleeved on the right end of the pipe fitting, and then the U-shaped plate 6 and the sleeve mechanism 7 are moved to the right and reset by the external cylinder, and then the connection between the hoop and the pipe fitting is welded by the external welding arm.

[0038] After welding is completed, first push the right end of the long plate 32 upward, drive the left positioning platform 361 to move to the left and reset through the short plate 35, and then push the pipe backward, so that the second connecting plate 13, the vertical frame 15 and the center rod 2 rotate to the right synchronously, so that the welded pipe can be removed from the center rod 2. After removal, the second connecting plate 13 is reset to the initial position under the action of the No. 1 torsion spring 14 to facilitate the next operation.

[0039] See also Figure 7 The sleeve mechanism 7 includes a support plate 71. Two support plates 71 are symmetrically fixedly connected to the top of the U-shaped plate 6. A moving component 72 is commonly connected to the support plate 71 and the U-shaped plate 6. A driving component 73 is commonly connected to the upper end surfaces and the right sides of the two support plates 71. A ring component 74 is connected to the upper end surfaces and the left sides of the support plates 71. The two ring components 74 are both connected to the driving component 73. A positioning component 75 is connected to the upper end surface of the support plate 71 and located on the left side of the ring component 74.

[0040] See also Figure 7 and Figure 8, the object moving assembly 72 includes a driving roller 721. There are two driving rollers 721 symmetrically arranged left and right and both are rotatably connected between the two vertical sections of the U-shaped plate 6. Two pulleys are symmetrically connected front and back on the two driving rollers 721, and the two symmetrically arranged pulleys on the left and right are drivingly connected by a belt 722. A feeding module 723 for placing the hoop is connected to the two belts 722 together. A ratchet pawl for making the driving roller 721 rotate unidirectionally is connected to the front roller shaft head of the left driving roller 721 and the U-shaped plate 6 together. Limiting frames 724 are fixedly connected to the end faces of the two support plates 71 close to each other. The two limiting frames 724 are symmetrically arranged front and back and cooperate with the hoop.

[0041] Refer to Figure 8 , the feeding module 723 includes a connecting rod member 7231. A plurality of connecting rod members 7231 are uniformly fixedly connected to the outer surface of the belt 722 along its length direction. The connecting rod members 7231 on the two belts 722 correspond one by one. The two corresponding connecting rod members 7231 are fixedly connected by a round rod 7232. A rectangular plate 7233 is fixedly connected to the side wall of the round rod 7232 and away from the belt 722.

[0042] During specific operation, the gap between two adjacent round rods 7232, in cooperation with the two limiting frames 724 front and back, jointly form a placement area for placing the hoop. After the pipe fittings are limited by the two positioning platforms 361, the staff places the hoop in the placement area, and then drives the driving assembly 73 through an external cylinder to move the U-shaped plate 6 to the left.

[0043] Refer to Figure 7 , the driving assembly 73 includes a connecting seat 731. A connecting seat 731 is fixedly connected to the upper end face of the support plate 71 and on the right side. A push rod 732 is slidably penetrated through the connecting seat 731 left and right. The right ends of the two push rods 732 are fixedly connected to a push plate 733 together. The right side of the push plate 733 is connected to an external cylinder. The left end of the push rod 732 is connected to a ferrule assembly 74. A delay module 734 is connected to the push rod 732 and the connecting seat 731 together; the delay module 734 includes a rod sleeve 7341. The rod sleeve 7341 is fixedly sleeved on the push rod 732 and is located on the right side of the connecting seat 731. The rod sleeve 7341 is connected to the connecting seat 731 by a push-pull spring 7342.

[0044] Refer to Figure 8 、 Figure 9 and Figure 10, the ferrule assembly 74 includes a chute 741 which is opened on the upper end surface of the support plate 71 and is close to the left side. The chute 741 extends in the left-right direction. A slider 742 is slidably connected in the chute 741. The right end of the slider 742 is fixedly connected to a push rod 732. A slide rod 743 is slidably connected through the slider 742 in the front-rear direction. An end of the slide rod 743 close to the limit frame 724 is fixedly connected to a pushing block 744. A chamfer matching the ferrule is provided on the right end surface of the pushing block 744. The pushing block 744 and the slider 742 are connected by a return spring 746. Initially, the pushing block 744 is located at the rightmost end of the chute 741 and is located between the two leftmost ferrules. An end of the slide rod 743 away from the limit frame 724 is fixedly connected to a limit piece 745.

[0045] During specific operation, an external air cylinder is used to push the push plate 733 to move leftward. In the initial stage of the movement, the push-pull spring 7342 is in a compressed state. Thus, when the push plate 733 moves leftward, it pushes the connecting seat 731, the support plate 71, and the U-shaped plate 6 to move leftward through the rod sleeve 7341 and the push-pull spring 7342. At this time, the push rod 732 and the connecting seat 731 are in a relatively static state. When the U-shaped plate 6 moves to the leftmost end, as the push plate 733 continues to move leftward under the push of the external air cylinder, the push-pull spring 7342 is further compressed. Thus, the push rod 732 slides leftward relative to the connecting seat 731, driving the pushing block 744 to slide leftward along the chute 741 synchronously. The three ferrules from left to right are respectively named the first ferrule, the second ferrule, and the third ferrule. The leftward movement of the pushing block 744 will push the first ferrule leftward.

[0046] When the first ferrule moves leftward, it will push the round rod 7232 on its left side to move leftward. Since this round rod 7232 is exactly at the turning point above the belt 722, as the first ferrule moves leftward, the round rod 7232 on its left side moves along a semicircular trajectory with the belt 722. Thus, the left end of the leftmost ferrule loses its limit. At the same time, during the process of clamping the pipe fitting by the two positioning platforms 361, it is also possible that the pipe fitting moves too far to the right due to the surface friction of the positioning platforms 361. During the movement of the round rod 7232 on the left side of the first ferrule with the belt 722, it will also push the pipe fitting leftward through the rectangular plate 7233 thereon, so that the left end of the pipe fitting abuts against the round seat 362, thereby further adjusting the position of the pipe fitting. The first ferrule will finally disengage from the belt 722 under the drive of the pushing block 744, and the second ferrule will move to the position where the first ferrule was previously located with the belt 722 and the round rod 7232, and the third ferrule moves to the position where the second ferrule was previously located.

[0047] Refer to Figure 10, the position - adjusting component 75 includes a mounting rod 751. A mounting rod 751 is fixedly connected to the upper end surface of the support plate 71 and on the right side of the slider 742. A pressing plate 752 is rotatably connected to the mounting rod 751. Initially, the front and rear pressing plates 752 are both in an inclined state, and the distance between the two pressing plates 752 increases successively from left to right. The pressing plate 752 and the mounting rod 751 are fixedly connected by a second torsion spring 753. The left ends of the slider 742 and the pushing block 744 are both fixedly connected with a pressing rod 754 that cooperates with the pressing plate 752.

[0048] Refer to Figures 8 - 10 , during specific operation, the slider 742 continues to move leftward until the pressing rod 754 on the slider 742 first contacts the pressing plate 752, pushing the pressing plate 752 to rotate. When the two pressing plates 752 rotate to be in a straight line front - to - back, the pressing rod 754 on the pushing block 744 also just abuts against the pressing plate 752. The pushing block 744 and the pressing plate 752 cooperate to exactly clamp the first hoop between them, thereby enabling the first hoop to be in a vertical state. After that, when the slider 742 continues to move leftward, the first hoop can be pushed by the pushing block 744 to be sleeved on a specified position of the pipe fitting.

[0049] Then, the external air cylinder drives the push plate 733 to move rightward to reset. In the initial stage of resetting, the rightward movement of the push plate 733 drives the push rod 732 to move rightward, thereby causing the slider 742 to slide rightward along the chute 741. During this process, the pressing rod 754 on the slider 742 cancels the abutment against the pressing plate 752. Therefore, the pressing plate 752 rotates and resets under the action of the second torsion spring 753 to release the limit on the left side of the first hoop sleeved on the pipe fitting. During this process, the push - pull spring 7342 is still in a compressed state and always applies a leftward force to the support plate 71 and the U - shaped plate 6 through the connecting seat 731. The U - shaped plate 6 is still at the leftmost side of the crossbar and is in a stationary state.

[0050] Then, as the slider 742 continues to slide rightward along the chute 741, it drives the sliding rod 743 and the pushing block 744 to move rightward synchronously. During this period, the inclined surface at the right end of the pushing block 744 will contact the second hoop. At this time, the return spring 746 is compressed, and the pushing block 744 moves away from the limiting frame 724 to make way. Under the action of the ratchet - pawl mechanism, the belt 722 can only feed in the counter - clockwise direction. Therefore, when the pushing block 744 continues to slide rightward with the slider 742, it will cross over the second hoop. When the slider 742 moves to the right - most end of the chute 741, the pushing block 744 moves away from the slider 742 under the action of the return spring 746. At this time, the pushing block 744 is exactly located between the second hoop and the third hoop. After that, when the push rod 732 pulls the slider 742 to move rightward, it will drive the support plate 71 and the U - shaped plate 6 to move rightward synchronously through the slider 742, so as to facilitate welding and taking out the pipe fitting and the hoop that are connected as a whole after welding.

[0051] In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationships indicated by the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "outside", etc. are based on the orientation or positional relationships shown in the drawings. It is only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the embodiments of the present invention. In addition, in the description of the present invention, unless otherwise specified, the meanings of "a plurality", "multiple", and "multiple groups" are two or more.

[0052] In the description of the present invention, it should also be noted that unless otherwise clearly specified and defined, the terms "arranged", "connected", "installed", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0053] The embodiments of the specific implementation manners are all preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention. The preferred embodiments of the invention do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A pipe seam anchor welding positioning fixture, characterized in that: It comprises a bottom plate, the upper end surface of the bottom plate and the left side thereof are connected with a support mechanism, the support mechanism is connected with a center rod extending in the left-right direction, the center rod is connected with a connecting tube mechanism, the connecting tube mechanism comprises a connecting disk, the connecting disk is fixedly sleeved on the center rod, the right end surface of the connecting disk and the upper position thereof are rotatably connected with two long plates, a connecting piece is rotatably connected between the two long plates and on the right side thereof, a pressure ring with an opening downward is fixedly connected at the lower end of the connecting piece, a short plate is rotatably connected between the two long plates and on the left side thereof, and a stabilizing component is connected at the lower end of the short plate; The stabilizing component includes a positioning platform, which includes a columnar section and a conical section. Two positioning platforms are symmetrically arranged on the left and right. The conical sections of the two positioning platforms are close to each other and are both sleeved on the center rod. The left positioning platform is slidably connected to the center rod. The left end of the left positioning platform is also fixedly connected to a round seat, which is slidably sleeved on the center rod and rotatably connected to the short plate. The right positioning platform is slidably connected to the center rod. The bottoms of the columnar sections of the two positioning platforms are both connected to the limiting modules. A U-shaped support is connected to the upper surface of the bottom plate and on the right side, two vertical sections of the U-shaped support are symmetrically fixedly connected to two cross bars, the two cross bars are slidably connected to a U-shaped plate, and the U-shaped plate is connected to a sleeve mechanism for sleeve-fitting the hoop on a fixed position on the pipe body; The sleeve mechanism includes a support plate, and two support plates are symmetrically fixedly connected to the top of the U-shaped plate. The support plate and the U-shaped plate are commonly connected with a moving component, and the upper surfaces of the two support plates and the right side are commonly connected with a driving component, and the upper surfaces of the support plates and the left side are connected with a ring component, and the two ring components are connected to the driving component, and the upper surface of the support plate and the left side of the ring component are connected with a positioning component; The driving assembly comprises a push rod, the left end of which is connected to a ferrule assembly; The end surfaces of the two support plates that are close to each other are fixedly connected to the limiting frames, and the two limiting frames are symmetrical front and back and cooperate with the hoop; The ring assembly includes a slide groove, which is opened on the upper end surface of the support plate and on the left side. The slide groove extends in the left and right directions. A slider is slidably connected in the slide groove. The right end of the slider is fixedly connected to the push rod. A slide rod is slidably connected to the slider through the front and back. A push block is fixedly connected to the end of the slide rod close to the limit frame. The right end surface of the push block is provided with a chamfer that matches the hoop. The end of the slide rod away from the limit frame is fixedly connected to the limit plate. The push block and the slider are connected by a reset spring.

2. The pipe seam anchor welding positioning fixture according to claim 1 is characterized in that: The supporting mechanism includes a No. 1 connecting plate, which is fixedly connected to the bottom plate, and a vertical pole is fixedly connected to the upper surface of the No. 1 connecting plate and at the center thereof, and a No. 2 connecting plate is rotatably connected to the upper end of the vertical pole, and the No. 2 connecting plate is connected to the No. 1 connecting plate via a No. 1 torsion spring, and two vertical frames are symmetrically fixedly connected to the upper end surface of the No. 2 connecting plate, and a center pole is fixedly connected to both of the two vertical frames.

3. The pipe seam anchor welding positioning fixture according to claim 1 is characterized in that: The limit module includes a trapezoidal block. The side walls of the two positioning platform column sections are slidably connected with trapezoidal blocks on the lower side. The ends with smaller widths of the two trapezoidal blocks are close to each other and are connected to the positioning platform through connecting springs.

4. The pipe seam anchor welding positioning fixture according to claim 1 is characterized in that: The object moving assembly includes a transmission roller, two of which are symmetrically arranged on the left and right and are rotatably connected between the two vertical sections of the U-shaped plate, two pulleys are symmetrically connected to the two transmission rollers front and back, and the two symmetrical pulleys are connected by belt drive, and a feed module for placing a hoop is connected to the two belts, and a ratchet pawl that enables the transmission roller to rotate in one direction is connected to the front end roller shaft head of the left transmission roller and the U-shaped plate.

5. The pipe seam anchor welding positioning fixture according to claim 4 is characterized in that: The feeding module includes a connecting rod, and the outer surface of the belt is evenly and fixedly connected with multiple connecting rods along its length direction. The connecting rods on the two belts correspond to each other one by one, and the two corresponding connecting rods are fixedly connected by a round rod. A rectangular plate is fixedly connected to the side wall of the round rod away from the belt.

6. The pipe seam anchor welding positioning fixture according to claim 5 is characterized in that: The driving assembly also includes a connecting seat, which is fixedly connected to the upper end surface of the support plate and close to the right side. A push rod is connected to the connecting seat so as to slide left and right. The right ends of the two push rods are commonly fixedly connected to a push plate. The right side of the push plate is connected to an external driving source. A delay module is commonly connected to the push rod and the connecting seat.

7. The pipe seam anchor welding positioning fixture according to claim 6 is characterized in that: The delay module comprises a rod sleeve, which is fixedly mounted on the push rod and located on the right side of the connecting seat. The rod sleeve is connected to the connecting seat via a push-pull spring.

8. The pipe seam anchor welding positioning fixture according to claim 7 is characterized in that: The positioning assembly includes a mounting rod, the upper end surface of the support plate is fixedly connected to the mounting rod and is located on the right side of the slider, the mounting rod is rotatably connected to a support plate, the support plate and the mounting rod are fixedly connected by a No. 2 torsion spring, and the left ends of the slider and the push block are fixedly connected to a support rod that matches the support plate.

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