Hardware pipe welding equipment with high safety performance

Abstract

The invention discloses hardware pipe welding equipment with high safety performance in the technical field of hardware pipe welding, which comprises a supporting unit comprising a base positioned at the bottom, two groups of supporting parts symmetrically arranged on two sides above the base, and threaded shafts correspondingly inserted in the center positions of the supporting parts in the vertical direction, the first driving motor is arranged on one side of the lower portion of the base, the workbench is arranged above the base in parallel, and the upper ends of the two sets of supporting components both penetrate through the workbench and extend upwards. A to-be-welded hardware pipe is stably clamped and fixed through the clamping unit, potential safety hazards existing in a hand holding mode are avoided, the safety performance of the device is improved, the clamping range can be correspondingly adjusted according to the use requirement, and the practicability is high. And the device can meet the working requirement for limiting and clamping hardware pipes of different sizes and specifications, the application range of the device is widened, and the use flexibility of the device is remarkably improved.

Description

Technical Field

[0001] The invention relates to the technical field of metal pipe welding, and in particular to metal pipe welding equipment with high safety performance. Background Art

[0002] Hardware pipes usually refer to pipe products in the field of metal processing and manufacturing. These pipes are mainly used in construction, machinery, automobiles, aerospace and other fields. In actual production and use, since the size and structure of hardware pipes are fixed, when the length or shape of the hardware pipes does not meet the use requirements, the hardware pipes need to be welded and assembled. When welding two round tube-shaped hardware pipes together, in order to ensure the welding effect, the hardware pipes to be welded need to be fixed.

[0003] In real life, people usually weld by holding the hardware pipes directly with their hands. Sparks will appear during welding, which can easily cause damage to people's hands. Therefore, there is a great risk and low safety. At the same time, the hand-holding method cannot provide a stable fixing effect, which makes it easy for the hardware pipes to be misaligned during welding, resulting in welding misalignment, cold welding and other phenomena, and thus the welding effect cannot be effectively guaranteed. Summary of the invention

[0004] In view of the problems existing in the above-mentioned existing hardware pipe welding equipment with high safety performance, the inventors hereby propose a hardware pipe welding equipment with high safety performance to solve such problems.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a hardware pipe welding device with high safety performance, comprising:

[0006] The support unit includes a base at the bottom, two groups of support components symmetrically arranged on both sides above the base, a threaded shaft correspondingly plugged into the center of each group of support components in a vertical direction, a first drive motor arranged on one side below the base, and a workbench arranged parallel to the top of the base, and the upper ends of the two groups of support components both pass through the workbench and extend upward;

[0007] The clamping unit includes a driving component vertically inserted into the supporting component, and two groups of clamping components symmetrically arranged on both sides of the driving component, and the two groups of clamping components are rotatably connected to the driving component on both sides of the supporting component, and the tail ends are abutted against the lower end outer wall of the driving component;

[0008] The driving unit comprises a gear shaft rotatably connected to the top of the driving component, two groups of expansion components symmetrically arranged on both sides of the gear shaft, and the inner ends of the two groups of gear shafts are rotatably connected to the gear shaft, a reset component located below the gear shaft, and a transmission belt sleeved on the two groups of expansion components and the outside of the expansion components in a triangular structure, and the outer ends of the two groups of expansion components and the expansion components are respectively located in one corner of the triangular structure, and the inner wall of the transmission belt is meshed and abutted with the outer wall of the gear shaft;

[0009] The welding unit includes an arc-shaped support frame, the end of which extends into the workbench, a welding component vertically arranged at the top of the support frame, the welding component and the gear shaft are on the same vertical line, and a limiting component arranged at the end of the support frame.

[0010] As a preferred solution of the hardware pipe welding equipment with high safety performance described in the present invention, the supporting component includes two groups of connecting frames arranged on the base in a vertical direction, two groups of arc-shaped brackets symmetrically arranged on both sides of the connecting frame with an arc-shaped structure, and the arc structures of the two groups of arc-shaped brackets open upward, and a limiting groove is located between the two groups of arc-shaped brackets, and the driving component is inserted in the limiting groove, and a limiting shaft is arranged between the two ends of the arc structure of the two groups of limiting grooves, and the two groups of clamping components are respectively rotatably connected to the two groups of limiting shafts.

[0011] As a preferred solution of the hardware pipe welding equipment with high safety performance described in the present invention, the threaded shaft is rotatably connected to the base, and the threaded shaft is located between the two groups of connecting frames. At the same time, the upper end of the threaded shaft extends into the driving component, and a driven bevel gear is provided at the end of the threaded shaft. A connecting shaft is provided between the two groups of threaded shafts, and the connecting shaft is fixedly connected to the rotor shaft of the first driving motor. Two groups of active bevel gears are provided on the connecting shaft, and the two groups of active bevel gears are respectively meshed with the driven bevel gears at the ends of the two groups of threaded shafts.

[0012] As a preferred solution of the hardware pipe welding equipment with high safety performance described in the present invention, two groups of give-way grooves are opened on the workbench, two groups of clamping units pass through the give-way grooves, and the inner walls of the give-way grooves are fixedly connected to the outer sides of the top ends of the side top blocks, an inverted T-shaped slide groove is opened on one side of the interior of the workbench, and the end of the support frame extends into the slide groove, an auxiliary groove parallel to the slide groove is opened on the side of the slide groove, and the limiting component is vertically inserted into the auxiliary groove.

[0013] As a preferred solution of the hardware pipe welding equipment with high safety performance described in the present invention, the driving component includes a mounting frame with a cross-shaped structure, and the end of the mounting frame is inserted into two groups of connecting frames, two groups of side top blocks are symmetrically arranged on both sides of the mounting frame, and the two groups of side top blocks are in a right-angled isosceles triangle structure, and at the same time, the outer side of the top end of the right-angled side of the side top block is fixedly connected to the side of the mounting frame, an oblique surface is arranged on the oblique side of the side top block, and limit strips are symmetrically arranged on both sides of the oblique side of the oblique surface.

[0014] As a preferred solution of the hardware pipe welding equipment with high safety performance described in the present invention, the driving component also includes two groups of fixed frames symmetrically arranged at the top of the mounting frame, a horizontal plate transversely arranged between the two groups of fixed frames, and the top of the reset component abuts against the horizontal plate, two groups of shaft sleeves are respectively arranged on the inner sides of the tops of the two groups of fixed frames, and the two ends of the gear shaft extend into the two groups of shaft sleeves for rotational connection, while the inner end of the expansion component is sleeved on the shaft sleeve, two groups of stoppers are respectively transversely arranged on the outer sides of the two groups of shaft sleeves, and the two groups of stoppers are staggered with each other in the vertical direction, and a limiting slide groove is opened on the fixed frame in the vertical direction, and the ends of the reset component extend into the limiting slide groove on both sides.

[0015] As a preferred solution of the hardware pipe welding equipment with high safety performance described in the present invention, the clamping component includes an arc-shaped top rod, a support rod fixedly arranged at the lower end of the arc-shaped top rod, a connecting hole opened at the connection position between the arc-shaped top rod and the support rod, and the connecting hole is sleeved on the limit shaft, a contact wheel rotatably connected to the top end of the arc-shaped top rod, and a guide wheel rotatably connected to the end of the support rod, and the guide wheel abuts against the inclined surface.

[0016] As a preferred solution of the hardware pipe welding equipment with high safety performance described in the present invention, the expansion component includes two groups of symmetrically arranged fixed plates, a connecting plate arranged between the two groups of expansion components, a side roller rotatably connected between the outer ends of the two groups of fixed plates, and the side roller abuts against the inner wall of the transmission belt, and a ring with a three-quarter circular ring structure opened at the inner end of the fixed plate, and the ring is sleeved on the shaft sleeve.

[0017] As a preferred solution of the hardware pipe welding equipment with high safety performance described in the present invention, the reset component includes a limit frame located between the two groups of fixed frames, a bottom roller rotatably connected to the bottom of the limit frame, limit blocks symmetrically arranged at both ends of the limit frame and extending outward to the limit slide groove, a reset spring vertically arranged above the limit frame and with the top end abutting against the cross plate, and a reset spring sleeved on the damping rod.

[0018] As a preferred solution of the hardware pipe welding equipment with high safety performance described in the present invention, wherein: the end of the support frame is in an inverted T-shaped structure and is slidably connected in the slide groove, and the welding component includes a screw rod vertically threadedly connected to the top of the support frame, and a welding gun arranged at the end of the screw rod;

[0019] The limiting component includes a limiting screw which is vertically inserted into the auxiliary groove and has its end threadedly connected to one side, a pressing plate which is arranged at the top of the limiting screw and has its bottom surface affixed to the top of the auxiliary groove, and a wrench which is laterally fixedly connected to the top of the pressing plate.

[0020] Beneficial effects of the present invention:

[0021] 1. By setting the clamping unit, the hardware pipe to be welded can be provided with stable clamping and fixation, which can effectively prevent the dislocation phenomenon during the welding process, ensure the welding effect, avoid the safety hazards of the hand-held method, and improve the safety performance of the device.

[0022] 2. The clamping range of the clamping unit can be adjusted accordingly according to the use requirements, so that the device can meet the work requirements of limiting and clamping hardware pipes of different sizes, effectively expanding the application scope of the device and significantly enhancing the use flexibility of the device.

[0023] 3. By setting a driving unit to drive the clamped hardware pipe to rotate, the position to be welded can pass smoothly, evenly and fully under the welding unit, so as to achieve full welding of the position to be welded, effectively avoid the occurrence of welding problems such as lack of welding and misalignment, and further enhance the welding effect of the device.

[0024] 4. By setting up a support frame that can move laterally, the welding unit can be adjusted accordingly in the horizontal direction according to the position to be welded on the hardware pipe. At the same time, the support frame is also provided with a welding component that can be telescopically moved in the vertical direction, so that the device can also be adjusted accordingly according to the height of the position to be welded on the hardware pipe. Through two-way adjustment in the horizontal and vertical directions, the device can effectively meet various usage requirements and further enhance the flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0026] Figure 1 The figure is a schematic diagram of the overall structure of the hardware pipe welding equipment with high safety performance of the present invention.

[0027] Figure 2 It is a schematic cross-sectional plan view of the center position of the hardware pipe welding equipment with high safety performance of the present invention.

[0028] Figure 3 It is a structural schematic diagram of a clamping unit of a hardware pipe welding device with high safety performance according to the present invention.

[0029] Figure 4 It is a structural schematic diagram of a support unit for hardware pipe welding equipment with high safety performance according to the present invention.

[0030] Figure 5 The present invention is a schematic diagram of the structure of the driving components of the hardware pipe welding equipment with high safety performance.

[0031] Figure 6 The present invention is a schematic structural diagram of a clamping component of a hardware pipe welding device with high safety performance.

[0032] Figure 7 The present invention is a schematic diagram of the structure of a driving unit for hardware pipe welding equipment with high safety performance.

[0033] Figure 8 The schematic diagram of the structural decomposition of the driving unit of the hardware pipe welding equipment with high safety performance of the present invention.

[0034] 100, support unit; 101, base; 102, support component; 102a, connecting frame; 102b, arc bracket; 102c, limit groove; 102d, limit shaft; 103, threaded shaft; 103a, driven bevel gear; 104, first drive motor; 104a, connecting shaft; 104b, active bevel gear; 105, workbench; 105a, slide groove; 105b, auxiliary groove; 200, clamping unit; 201, driving component; 201a, mounting frame; 201b, side top block; 201c, inclined surface; 201d, limit strip; 201e, fixing frame; 201f, bushing; 201g, stop block; 201h, cross plate; 201i, limit slide groove; 202, clamping component; 202a, arc top rod; 202 b, support rod; 202c, connecting hole; 202d, contact wheel; 202e, guide wheel; 300, drive unit; 301, gear shaft; 301a, transmission shaft; 302, expansion component; 302a, fixing plate; 302b, connecting plate; 302c, side roller; 302d, collar; 303, reset component; 303a, limit frame; 303b, bottom roller; 303c, limit block; 303d, damping rod; 303e, reset spring; 304, transmission belt; 305, second drive motor; 400, welding unit; 401, support frame; 402, welding component; 402a, screw; 402b, welding gun; 403, limit component; 403a, limit screw; 403b, pressure plate; 403c, wrench; A, part to be welded. DETAILED DESCRIPTION

[0035] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0036] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0037] Example 1

[0038] Reference Figure 1 to Figure 3 , which is the first embodiment of the present invention, comprises a hardware pipe welding device with high safety performance, comprising,

[0039] The support unit 100 includes a base 101 at the bottom, two groups of support components 102 symmetrically arranged on both sides above the base 101, a threaded shaft 103 correspondingly plugged into the center of each group of support components 102 in the vertical direction, a first driving motor 104 arranged on one side below the base 101, and a workbench 105 arranged parallel to the top of the base 101, and the upper ends of the two groups of support components 102 pass through the workbench 105 and extend upward; the base 101 plays a bottom support role, the support components 102 are fixedly connected to the base 101 in the vertical direction, and the threaded shaft 103 is rotatably connected to the base 101;

[0040] The clamping unit 200 includes a driving component 201 vertically inserted into the supporting component 102, and two groups of clamping components 202 symmetrically arranged on both sides of the driving component 201, and the two groups of clamping components 202 are rotatably connected to the driving component 201 on both sides of the supporting component 102, and the tail ends are abutted against the lower end outer wall of the driving component 201; the driving component 201 is limited by the supporting component 102 and can only move vertically on the supporting component 102.

[0041] The driving unit 300 comprises a gear shaft 301 rotatably connected to the top of the driving component 201, two groups of expansion components 302 symmetrically arranged on both sides of the gear shaft 301, and the inner ends of the two groups of gear shafts 301 are rotatably connected to the gear shaft 301, a reset component 303 located below the gear shaft 301, and a transmission belt 304 sleeved on the two groups of expansion components 302 and the outside of the expansion components 302 in a triangular structure, and the outer ends of the two groups of expansion components 302 and the expansion components 302 are respectively located in one corner of the triangular structure, and the inner wall of the transmission belt 304 is meshed and abutted with the outer wall of the gear shaft 301; the top of each group of driving components 201 is provided with a driving unit 300, so there are two groups of driving units 300 in total, and the center point of the top of the driving unit 300 and the top of the two groups of clamping components 202 are on the same circular trajectory; the gear shaft 301 can move synchronously with the driving component 201;

[0042] The welding unit 400 includes a support frame 401 with an arc-shaped structure, and the end of the support frame 401 extends into the workbench 105, a welding component 402 is vertically arranged at the top of the support frame 401, and the welding component 402 is on the same vertical line as the gear shaft 301 in the vertical direction, and a limiting component 403 is arranged at the end of the support frame 401. The end of the support frame 401 is slidably connected to the workbench 105 and can slide horizontally on the workbench 105, and the welding component 402 is vertically threadedly connected to the top of the support frame 401 and can be telescopically moved vertically on the support frame 401 through the engagement of the threads.

[0043] During use, two groups of hardware pipes to be welded together are placed on the workbench 105 so that they are placed between the two groups of clamping components 202. The first driving motor 104 drives the two groups of threaded shafts 103 to rotate. The rotating threaded shafts 103 will push the driving component 201 to move upward. The upward movement causes the driving component 201 to lift up the two groups of clamping components 202 from both sides. The lifted clamping components 202 will rotate inward, that is, the two groups of clamping components 202 will synchronously move toward the hardware pipe located on the inner side. At the same time, the driving component 201 moving upward will also drive the driving unit 300 at its top to move upward. The driving unit 300 moving upward will lift the hardware pipe upward. As the clamping components at both ends gradually approach inward, Component 202, and the driving unit 300 that drives component 201 upward, will gradually approach and clamp the hardware pipe from three directions, and finally firmly fix the hardware pipe on the workbench 105. Then, according to the position to be welded, the support frame 401 is slid horizontally so that the support frame 401 and the position to be welded are on the same plane. Then, the length of the welding component 402 is adjusted so that the end of the welding component 402 abuts against the position to be welded. At this time, the second driving motor 305 drives the gear shaft 301 to rotate. The rotation causes the gear shaft 301 to drive the clamped hardware pipe to rotate through the transmission belt 304. During the rotation, the position to be welded will pass under the welding component 402 and be welded by the welding component 402.

[0044] Example 2

[0045] Reference Figure 2 to Figure 6 , which is the second embodiment of the present invention. This embodiment is different from the first embodiment in that the clamping unit 200 provides a stable clamping and fixing for the metal pipe to be welded, thereby ensuring the welding effect and avoiding the potential safety hazards of the hand-held method, thereby improving the safety performance of the device. At the same time, the clamping range can be adjusted according to the use requirements to meet more use requirements. The flexibility of the device is enhanced.

[0046] Compared with Example 1, further, combined with Figure 4 The supporting component 102 includes two groups of connecting frames 102a arranged vertically on the base 101, two groups of arc-shaped brackets 102b symmetrically arranged on both sides of the connecting frame 102a, and the arc-shaped structures of the two groups of arc-shaped brackets 102b are opened upward, and a limiting groove 102c is located between the two groups of arc-shaped brackets 102b, and the driving component 201 is inserted into the limiting groove 102c, and a limiting shaft 102d is arranged between the two ends of the arc-shaped structure of the two groups of limiting grooves 102c, and the two groups of clamping components 202 are respectively rotatably connected to the two groups of limiting shafts 102d.

[0047] During use, the two sets of arc-shaped brackets 102b limit the driving component 201 through the limiting groove 102c, so that the driving component 201 can only move in the vertical direction along the limiting groove 102c, and the clamping component 202 can rotate around the limiting groove 102c as the axis, and the supporting component 102 is fixedly connected to the base 101 as a whole.

[0048] Among them, combined Figure 4 The threaded shaft 103 is rotationally connected to the base 101, and the threaded shaft 103 is located between the two groups of connecting frames 102a. At the same time, the upper end of the threaded shaft 103 extends into the driving component 201. A driven bevel gear 103a is provided at the end of the threaded shaft 103. A connecting shaft 104a is provided between the two groups of threaded shafts 103, and the connecting shaft 104a is fixedly connected to the rotor shaft of the first driving motor 104. Two groups of active bevel gears 104b are provided on the connecting shaft 104a, and the two groups of active bevel gears 104b are respectively meshed with the driven bevel gears 103a at the ends of the two groups of threaded shafts 103.

[0049] During use, the first drive motor 104 can drive the connecting shaft 104a to rotate, and the rotating connecting shaft 104a will drive the threaded shaft 103 to rotate through the engagement of the active bevel gear 104b and the driven bevel gear 103a. At the same time, the threaded shaft 103 is threadedly connected to the driving component 201, and the driving component 201 is limited by the limiting groove 102c. Therefore, when the threaded shaft 103 rotates, it can push the driving component 201 to move in the vertical direction through the engagement of the threads.

[0050] Among them, combined Figure 2 Two groups of make-way grooves are provided on the workbench 105, and the two groups of clamping units 200 pass through the make-way grooves, and the inner walls of the make-way grooves are fixedly connected to the outer sides of the top ends of the side top blocks 201b. An inverted T-shaped slide groove 105a is provided on one side of the interior of the workbench 105, and the end of the support frame 401 extends into the slide groove 105a, and an auxiliary groove 105b parallel to the slide groove 105a is provided on the side of the slide groove 105a, and the limiting component 403 is vertically inserted into the auxiliary groove 105b.

[0051] During use, the workbench 105 provides a working platform for welding work, the slide groove 105a is used to install the support frame 401, and the support frame 401 can move horizontally along the slide groove 105a, and the auxiliary groove 105b provides a clearance space for the limiting component 403 to move.

[0052] Among them, combined Figure 5The driving component 201 includes a mounting frame 201a of a cross-shaped structure, and the end of the mounting frame 201a is inserted into two groups of connecting frames 102a, two groups of side top blocks 201b are symmetrically arranged on both sides of the mounting frame 201a, and the two groups of side top blocks 201b are in a right-angled isosceles triangle structure. At the same time, the outer side of the top end of the right-angled side of the side top block 201b is fixedly connected to the side of the mounting frame 201a, an inclined surface 201c is arranged on the oblique side of the side top block 201b, and limit strips 201d are symmetrically arranged on both sides of the oblique side of the oblique surface 201c.

[0053] During use, when the threaded shaft 103 drives the driving component 201 to move upward, the side top blocks 201b on both sides of the driving component 201 will squeeze the end of the clamping component 202 through the inclined surface 201c of its hypotenuse, forcing the end of the clamping component 202 to expand and move outward along the inclined surface 201c, and the limiting strips 201d on both sides of the inclined surface 201c are used to limit and protect the guide wheel 202e to prevent the guide wheel 202e from detaching from the inclined surface 201c.

[0054] Further, combined with Figure 5 The driving component 201 also includes two groups of fixed frames 201e symmetrically arranged at the top of the mounting frame 201a, a horizontal plate 201h transversely arranged between the two groups of fixed frames 201e, and the top of the reset component 303 abuts against the horizontal plate 201h, two groups of shaft sleeves 201f are respectively arranged on the inner side of the top of the two groups of fixed frames 201e, and the two ends of the gear shaft 301 extend into the two groups of shaft sleeves 201f for rotational connection, while the inner end of the expansion component 302 is sleeved on the shaft sleeve 201f, two groups of stoppers 201g are respectively arranged transversely on the outer sides of the two groups of shaft sleeves 201f, and the two groups of stoppers 201g are staggered with each other in the vertical direction, and a limiting slide groove 201i is opened on the fixed frame 201e in the vertical direction, and the ends of the reset component 303 extend to the limiting slide groove 201ii on both sides.

[0055] During use, the fixing frame 201e is used to install the driving unit 300, and the gear shaft 301 is rotatably connected between the two sets of fixing frames 201e. The end of the expansion component 302 is sleeved on the shaft sleeve 201f, so that the expansion component 302 and the gear shaft 301 are not directly connected, and the two will not interfere with each other. The cross plate 201h is used to block the gear shaft 301 and the reset component 303, so that the two also do not interfere with each other.

[0056] Among them, combined Figure 6The clamping component 202 includes an arc-shaped top rod 202a, a support rod 202b fixedly arranged at the lower end of the arc-shaped top rod 202a, a connecting hole 202c opened at the connecting position between the arc-shaped top rod 202a and the support rod 202b, and the connecting hole 202c is sleeved on the limiting shaft 102d, a contact wheel 202d rotatably connected to the top end of the arc-shaped top rod 202a, and a guide wheel 202e rotatably connected to the end of the support rod 202b, and the guide wheel 202e abuts against the inclined surface 201c.

[0057] During use, the arc structure of the arc push rod 202a bends inward, and the clamping component 202 can be connected to the limit shaft 102d through the connecting hole 202c, and rotate around the limit shaft 102d as the axis. The contact wheel 202d and the guide wheel 202e are respectively connected to the top of the arc push rod 202a and the end of the support rod 202b by a rotating connection. The rotating connection of the guide wheel 202e can reduce the friction when the clamping component 202 abuts against the inclined surface 201c, so that the clamping component 202 can rotate more smoothly.

[0058] In summary, combined Figure 2 and Figure 3 When clamping the metal pipe to be welded, the first driving motor 104 drives the threaded shaft 103 to rotate, which can drive the driving component 201 to move upward as a whole. The driving component 201 moving upward will drive the driving unit 300 at its top to move upward. At the same time, the driving component 201 moving upward will push the clamping component 202 upward through the connecting holes 202c on the support rods 202b on both sides. The guide wheel 202e at the end of the clamping component 202 is squeezed and will tilt and slide outward along the inclined surface 201c. Since the clamping component 202 is connected to the limiting shaft 102d through the connecting hole 202c, the clamping component 202 will rotate inwardly with the limiting shaft 102d as the axis, thereby offsetting the squeezing force applied by the inclined surface 201c. The wheels 202e will gradually stick to the outer wall of the hardware pipe, and the two groups of clamping components 202 will move synchronously in the same way, so the distances moved by the clamping components 202 on both sides to the outer wall of the hardware pipe are the same, and while the two groups of clamping components 202 move synchronously, the driving component 201 pushes the driving unit 300 at its top to move synchronously at the same time, so the hardware pipe located between the two groups of clamping units 200 and the driving unit 300 will be subjected to synchronous clamping forces from three parties, so that it is firmly limited and fixed on the workbench 105, thereby facilitating the smooth progress of subsequent welding work. The clamping unit 200 provides stable clamping and fixing for the hardware pipe to be welded, which can effectively prevent the occurrence of dislocation during welding, ensure the welding effect, avoid the safety hazards of the hand-held method, and improve the safety performance of the device;

[0059] In the above clamping process, the rotation amplitude of the clamping component 202 is directly affected by the movement amplitude of the driving component 201, and the movement amplitude of the driving component 201 is directly controlled by the threaded shaft 103. Therefore, by controlling the rotation amplitude of the threaded shaft 103, the extension distance of the driving component 201 can be controlled, thereby controlling the rotation amplitude of the clamping components 202 on both sides, thereby achieving the purpose of adjusting the clamping and fixing range of the clamping unit 200, and then realizing the function of clamping and limiting when welding hardware pipes of different sizes, meeting more usage requirements.

[0060] The remaining structures are the same as those of Example 1.

[0061] Example 3

[0062] Refer to 2~ Figure 8 , which is the third embodiment of the present invention. This embodiment is different from the second embodiment in that the clamped hardware pipe is driven to rotate by the driving unit 300, so that the position to be welded can pass smoothly, evenly and fully from under the welding unit 400, so as to achieve the purpose of fully welding the position to be welded and ensure the welding effect. The welding unit 400 is adjusted in both horizontal and vertical directions, so that the device can effectively meet the use requirements in the welding process, and further enhance the use flexibility of the device.

[0063] Compared with Example 2, further, a group of driving units 300 are arranged at the top of each group of driving components 201, so the two groups of driving units 300 include a total of two groups of gear shafts 301, and a transmission shaft 301a is axially arranged between the two groups of gear shafts 301. The end of the transmission shaft 301a is connected to a second driving motor 305. The second driving motor 305 can drive the two groups of gear shafts 301 to rotate synchronously through the transmission shaft 301a. Teeth meshing with the transmission belt 304 are opened on the outer wall of the gear shaft 301, so the rotation of the gear shaft 301 can drive the transmission belt 304 to move synchronously.

[0064] Among them, combined Figure 8 The expansion component 302 includes two groups of symmetrically arranged fixed plates 302a, a connecting plate 302b arranged between the two groups of expansion components 302, a side roller 302c rotatably connected between the outer ends of the two groups of fixed plates 302a, and the side roller 302c abuts against the inner wall of the transmission belt 304, and a ring 302d with a three-quarter circular ring structure opened at the inner end of the fixed plate 302a, and the ring 302d is sleeved on the sleeve 201f.

[0065] During use, combine Figure 7 and Figure 8There is a one-third gap in the ring 302d, and the block 201g is located in the gap, and the top surface of the block 201g abuts against the lower side surface of the transmission shaft 301a. Therefore, when the expansion component 302 rotates with the sleeve 201f as the axis, the expansion component 302 is blocked by the sleeve 201f and cannot rotate counterclockwise. Therefore, the expansion component 302 can only rotate in the clockwise direction, and the rotation range can only be within the range of one-third of the gap. The two groups of expansion components 302 are symmetrically arranged, so the rotation directions of the two groups of expansion components 302 are opposite.

[0066] Among them, combined Figure 8 The reset component 303 includes a limit frame 303a located between the two sets of fixed frames 201e, a bottom roller 303b rotatably connected to the bottom of the limit frame 303a, a limit block 303c symmetrically arranged at both ends of the limit frame 303a and extending outward to the limit slide groove 201i, a reset spring 303e vertically arranged above the limit frame 303a and with the top end abutting against the cross plate 201h, and a reset spring 303e sleeved on the damping rod 303d.

[0067] During use, the return spring 303e pushes the return component 303 outward through elastic support. Through the cooperation of the return component 303 and the two sets of expansion components 302, the transmission belt 304 can be stretched and combined into a triangular structure, and the top surface of the transmission belt 304 will directly abut the outer wall of the hardware tube.

[0068] Furthermore, the outer wall of the transmission belt 304 is provided with a frosted surface for increasing friction, which can effectively increase the friction when in contact with the outer wall of the hardware pipe. At the same time, the transmission belt 304 is made of a soft material and can be deformed to better fit the outer wall of the hardware pipe.

[0069] Among them, combined Figure 2 The end of the support frame 401 is in an inverted T-shaped structure and is slidably connected in the slide groove 105a. The welding component 402 includes a screw rod 402a vertically threadedly connected to the top of the support frame 401, and a welding gun 402b disposed at the end of the screw rod 402a; the rotation of the screw rod 402a can drive the welding gun 402b to move vertically in the reverse direction, thereby achieving the purpose of adjusting the welding height;

[0070] The limiting component 403 includes a limiting screw 403a which is vertically inserted into the auxiliary groove 105b and the end of which is threadedly connected to one side of 401a, a pressure plate 403b which is arranged at the top of the limiting screw 403a and the bottom surface of which is attached to the top of the auxiliary groove 105b, and a wrench 403c which is laterally fixedly connected to the top of the pressure plate 403b.

[0071] During use, the limit screw 403a is threadedly connected to 401a, and the limit screw 403a can be driven to rotate by turning the wrench 403c. The rotating limit screw 403a can engage with 401a through the thread, driving the limit component 403 to move vertically as a whole. When the vertically moving limit component 403 moves downward, it can be firmly abutted against the surface of the workbench 105 through the pressure plate 403b. At this time, the support frame 401 is limited and cannot move horizontally. On the contrary, the upward movement makes the pressure plate 403b not contact the workbench 105, thereby releasing the support frame 401, so that the support frame 401 can slide normally along the slide groove 105a.

[0072] In summary, combined Figure 2 , Figure 3 as well as Figure 7 After the clamping unit 200 limits and fixes the hardware pipe, the support frame 401 is pushed horizontally to adjust its position in the horizontal direction along the slide groove 105a, so that the welding gun 402b and the position to be welded are in the same horizontal plane, and then the screw 402a is rotated to make the welding gun 402b vertically abut against the position to be welded. At this time, since the bottom surface of the hardware pipe abuts against the transmission belt 304, the expansion components 302 on both sides of the driving unit 300 lift the two sides of the transmission belt 304 upward, so that the upper surface of the transmission belt 304 is attached to the outer wall of the hardware pipe. At this time, the gear shaft 301 is driven to rotate by the second driving motor 305, and the rotating gear shaft 301 pushes the hardware pipe to rotate through the transmission belt 304. The rotating hardware pipe can make the position to be welded pass smoothly, evenly and fully from under the welding gun 402b, and then welded by the welded component 402, so as to achieve the purpose of fully welding the position to be welded, effectively avoid the occurrence of welding problems such as lack of welding and misalignment, and further enhance the welding effect of the device.

[0073] The remaining structure is the same as that of Example 2.

[0074] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A metal pipe welding device with high safety performance, characterized by: include, The support unit (100) comprises a base (101) located at the bottom, two groups of support components (102) symmetrically arranged on both sides above the base (101), a threaded shaft (103) correspondingly plugged into the center position of each group of support components (102) in a vertical direction, a first driving motor (104) arranged on one side below the base (101), and a workbench (105) arranged parallel to the top of the base (101), and the upper ends of the two groups of support components (102) both pass through the workbench (105) and extend upward; The clamping unit (200) comprises a driving component (201) vertically inserted into a supporting component (102), and two groups of clamping components (202) symmetrically arranged on both sides of the driving component (201), and the two groups of clamping components (202) are rotatably connected to the driving component (201) on both sides of the supporting component (102), and the rear ends thereof abut against the outer wall of the lower end of the driving component (201); The driving unit (300) comprises a gear shaft (301) rotatably connected to the top of the driving component (201), two groups of expansion components (302) symmetrically arranged on both sides of the gear shaft (301), and the inner ends of the two groups of gear shafts (301) are rotatably connected to the gear shaft (301), a reset component (303) located below the gear shaft (301), and a transmission belt (304) sleeved on the two groups of expansion components (302) and the outside of the expansion component (302) in a triangular structure, and the outer ends of the two groups of expansion components (302) and the expansion component (302) are respectively located in one corner of the triangular structure, and the inner wall of the transmission belt (304) is meshed and abutted with the outer wall of the gear shaft (301); The welding unit (400) comprises a support frame (401) with an arc structure, wherein the end of the support frame (401) extends into the workbench (105), a welding component (402) arranged at the top of the support frame (401) in a vertical direction, wherein the welding component (402) and the gear shaft (301) are located on the same vertical line in a vertical direction, and a limiting component (403) arranged at the end of the support frame (401).

2. The metal pipe welding equipment with high safety performance according to claim 1 is characterized in that: The support component (102) comprises two groups of connecting frames (102a) arranged on the base (101) in a vertical direction, and two groups of arc-shaped brackets (102b) symmetrically arranged on both sides of the connecting frames (102a) and having an arc-shaped structure, wherein the arc-shaped structures of the two groups of arc-shaped brackets (102b) open upward, and a limiting groove (102c) is located between the two groups of arc-shaped brackets (102b), and the driving component (201) is inserted into the limiting groove (102c), and a limiting shaft (102d) is arranged between the two ends of the arc-shaped structures of the two groups of limiting grooves (102c), and the two groups of clamping components (202) are respectively rotatably connected to the two groups of limiting shafts (102d).

3. The metal pipe welding equipment with high safety performance according to claim 1 is characterized in that: The threaded shaft (103) is rotatably connected to the base (101), and the threaded shaft (103) is located between the two groups of connecting frames (102a). At the same time, the upper end of the threaded shaft (103) extends into the driving component (201). A driven bevel gear (103a) is provided at the end of the threaded shaft (103). A connecting shaft (104a) is provided between the two groups of threaded shafts (103), and the connecting shaft (104a) is fixedly connected to the rotor shaft of the first driving motor (104). Two groups of active bevel gears (104b) are provided on the connecting shaft (104a), and the two groups of active bevel gears (104b) are respectively meshed with the driven bevel gears (103a) at the ends of the two groups of threaded shafts (103).

4. The metal pipe welding equipment with high safety performance according to claim 1 is characterized in that: The workbench (105) is provided with two groups of clearance grooves, and the two groups of clamping units (200) pass through the clearance grooves, and the inner walls of the clearance grooves are fixedly connected to the outer sides of the top ends of the side top blocks (201b). An inverted T-shaped slide groove (105a) is provided on one side of the interior of the workbench (105), and the end of the support frame (401) extends into the slide groove (105a), and an auxiliary groove (105b) parallel to the slide groove (105a) is provided on the side of the slide groove (105a), and the limiting component (403) is vertically inserted into the auxiliary groove (105b).

5. The metal pipe welding equipment with high safety performance according to claim 1 is characterized in that: The driving component (201) comprises a mounting frame (201a) of a cross-shaped structure, wherein the end of the mounting frame (201a) is inserted into two groups of connecting frames (102a), two groups of side top blocks (201b) are symmetrically arranged on both sides of the mounting frame (201a), and the two groups of side top blocks (201b) are in a right-angled isosceles triangle structure, and the outer side of the top end of the right-angled side of the side top block (201b) is fixedly connected to the side of the mounting frame (201a), an oblique surface (201c) is arranged on the oblique side of the side top block (201b), and limit strips (201d) are symmetrically arranged on both sides of the oblique side of the oblique surface (201c).

6. The metal pipe welding equipment with high safety performance according to claim 5 is characterized in that: The driving component (201) further comprises two groups of fixing frames (201e) symmetrically arranged at the top of the mounting frame (201a), a transverse plate (201h) arranged transversely between the two groups of fixing frames (201e), and the top of the reset component (303) abuts against the transverse plate (201h), two groups of shaft sleeves (201f) respectively arranged on the inner sides of the tops of the two groups of fixing frames (201e), and the two ends of the gear shaft (301) respectively extend to the two groups of shaft sleeves ( 201f), the inner end of the expansion component (302) is sleeved on the shaft sleeve (201f), two groups of stoppers (201g) are respectively arranged transversely on the outer sides of the two groups of shaft sleeves (201f), and the two groups of stoppers (201g) are staggered with each other in the vertical direction, and a limiting slide groove (201i) is provided on the fixing frame (201e) in the vertical direction, and the two sides of the end of the reset component (303) extend into the limiting slide groove (201i).

7. The metal pipe welding equipment with high safety performance according to claim 1 is characterized in that: The clamping component (202) comprises an arc-shaped top rod (202a) with an arc structure, a support rod (202b) fixedly arranged at the lower end of the arc-shaped top rod (202a), a connecting hole (202c) provided at the connecting position between the arc-shaped top rod (202a) and the support rod (202b), and the connecting hole (202c) is sleeved on the limit shaft (102d), a contact wheel (202d) rotatably connected to the top end of the arc-shaped top rod (202a), and a guide wheel (202e) rotatably connected to the end of the support rod (202b), and the guide wheel (202e) is abutted against the inclined surface (201c).

8. The metal pipe welding equipment with high safety performance according to claim 1 is characterized in that: The expansion component (302) includes two groups of symmetrically arranged fixed plates (302a), a connecting plate (302b) arranged between the two groups of expansion components (302), a side roller (302c) rotatably connected between the outer ends of the two groups of fixed plates (302a), and the side roller (302c) abuts against the inner wall of the transmission belt (304), and a ring (302d) in the form of a three-quarter ring structure opened at the inner end of the fixed plate (302a), and the ring (302d) is sleeved on the shaft sleeve (201f).

9. The metal pipe welding equipment with high safety performance according to claim 1 is characterized in that: The reset component (303) comprises a limit frame (303a) located between two sets of fixed frames (201e), a bottom roller (303b) rotatably connected to the bottom of the limit frame (303a), a limit block (303c) symmetrically arranged at both ends of the limit frame (303a) and extending outward to the limit slide groove (201i), a reset spring (303e) vertically arranged above the limit frame (303a) and with its top end abutting against the cross plate (201h), and a reset spring (303e) sleeved on the damping rod (303d).

10. The metal pipe welding equipment with high safety performance according to claim 1 is characterized in that: The end of the support frame (401) is in an inverted T-shaped structure and is slidably connected in the slide groove (105a); the welding component (402) comprises a screw rod (402a) vertically threadedly connected to the top of the support frame (401), and a welding gun (402b) arranged at the end of the screw rod (402a); The limiting component (403) comprises a limiting screw (403a) vertically inserted into the auxiliary groove (105b) and having its end threadedly connected to one side of (401a), a pressing plate (403b) arranged at the top of the limiting screw (403a) and having its bottom surface abutted against the auxiliary groove (105b), and a wrench (403c) laterally fixedly connected to the top of the pressing plate (403b).

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