Limiting tool for metal pipe stamping

Abstract

The utility model relates to the field of trolleys, and particularly discloses a limiting tool for metal pipe stamping, the limiting tool comprises a support, a supporting mechanism and a stamping mechanism, the supporting mechanism comprises two supporting seats which are oppositely arranged in a spaced mode, the supporting seats are movably and detachably installed on the support in the length direction of the support, and clamping grooves are formed in the supporting seats. The stamping mechanism is arranged above the supporting mechanism and comprises a first connecting base, a stamping plate and a plurality of clamping assemblies, and the first connecting base is installed on the support in a liftable mode. The stamping plate is vertically arranged below the first connecting base, arranged in the length direction of the support and connected with the first connecting base. An arc-shaped plate protruding towards the supporting mechanism is arranged at the end, away from the first connecting base, of the stamping plate. The clamping assembly is installed at the end, away from the first connecting base, of the stamping plate. According to the limiting tool, bending machining can be conducted on pipes with different lengths through the two supporting bases with the adjustable distance, and the application range of the limiting tool is widened.

Description

Technical Field

[0001] This application relates to the field of trolleys, and in particular to a limiting tooling for stamping metal pipes. Background Art

[0002] Currently, the frame of a trolley is composed of multiple pipes, and these pipes generally often need to be bent to meet actual needs.

[0003] In the related art, a tooling driven by a traditional stamping machine is usually used to stamp and bend the pipes.

[0004] For the above related art, there are the following defects: The tooling used by the traditional stamping machine is of a fixed structure, and one tooling can only adapt to one type of pipe and cannot adapt to more types of pipes. Utility Model Content

[0005] In order to be able to bend process multiple types of pipes, this application provides a limiting tooling for stamping metal pipes.

[0006] The limiting tooling for stamping metal pipes provided by this application adopts the following technical solutions:

[0007] A limiting tooling for stamping metal pipes includes a bracket, a supporting mechanism, and a stamping mechanism. The supporting mechanism includes two supporting seats. In the length direction of the bracket, the supporting seats are movably installed on the bracket and are also detachably connected to the bracket;

[0008] The two supporting seats are arranged opposite to each other at intervals, and the supporting seats are provided with clamping grooves arranged along the length direction of the bracket;

[0009] The stamping mechanism is arranged above the supporting mechanism. The stamping mechanism includes a first connecting seat, a stamping plate, and a plurality of clamping components. The first connecting seat is installed on the bracket in a liftable manner;

[0010] The stamping plate is vertically arranged below the first connecting seat, is arranged along the length direction of the bracket, and is connected to the first connecting seat;

[0011] One end of the stamping plate away from the first connecting seat is provided with an arc plate protruding towards the supporting mechanism, and the arc plate is coplanar with the stamping plate;

[0012] The clamping components are installed at one end of the stamping plate away from the first connecting seat, and in the length direction of the bracket, the plurality of clamping components are distributed at intervals.

[0013] By adopting the above technical solution, the distance between the two support seats is adjusted according to the length of the pipe, so that the two support seats can support pipes of different lengths, and the two support seats need to be symmetrically arranged on both sides of the stamping mechanism. The two ends of the pipe are respectively placed in the two clamping grooves to limit the position of the pipe in the width direction of the bracket, thereby realizing the limitation of the pipe. Then, the stamping mechanism moves downward so that the stamping plate contacts the top end of the pipe. At this time, the plurality of clamping components also clamp the pipe to limit the relative position between the pipe and the stamping plate. Then, the stamping plate moves further downward to press the pipe, so that the arc surface of the arc-shaped plate stamps the pipe. After the pipe is bent and formed along the arc surface of the arc-shaped plate, the stamping mechanism moves upward away from the support mechanism, and then the finished bent pipe is taken away. In this application, the two support seats with adjustable distance can bend and process pipes of different lengths, improving the application range of the limiting tooling.

[0014] Optionally, a plurality of rollers are arranged on the inner side of the clamping groove, and the axis of the roller is arranged along the width direction of the bracket;

[0015] In the length direction of the bracket, the plurality of rollers are spaced apart, and the rollers are rotatably connected to the support seat.

[0016] By adopting the above technical solution, the pipe is supported by the rollers, and the rollers can reduce the friction between the pipe and the support seat. When the pipe deforms downward and there is relative movement between the pipe and the support seat, the pipe is not easily scratched by the support seat.

[0017] Optionally, end limiting plates connected to the support seat are arranged at the opposite ends of the two clamping grooves.

[0018] By adopting the above technical solution, when the pipe is in the clamping groove, the end limiting plate contacts the end of the pipe. In the length direction of the bracket, the two end limiting plates clamp the pipe to limit the position of the pipe in the length direction of the bracket.

[0019] Optionally, a displacement component is connected between the support seat and the bracket;

[0020] The displacement component includes a slide rail and two sliders. The slide rail is arranged along the length direction of the bracket and is connected to the bracket;

[0021] The two sliders are arranged corresponding to the two support seats. The slider is connected to the corresponding support seat, is slidably connected to the slide rail, and is also detachably connected to the slide rail.

[0022] By adopting the above technical solution, by driving the slider to slide on the slide rail, the support seat is driven to slide on the bracket. After the support seat moves in place, the slider and the slide rail are detachably connected to realize the adjustment of the distance between the two support seats.

[0023] Optionally, a displacement component is connected between the support base and the bracket;

[0024] The displacement component includes a slide rail, a bidirectional lead screw, and two sliders. The slide rail is arranged along the length direction of the bracket and is connected to the bracket;

[0025] The two sliders are arranged corresponding to the two support bases. The slider is connected to the corresponding support base and is slidably connected to the slide rail;

[0026] The bidirectional lead screw is arranged along the length direction of the bracket and is rotatably connected to the slide rail;

[0027] The two sliders are respectively screwed to both ends of the bidirectional lead screw.

[0028] By adopting the above technical solution, the two sliders are driven by the lead screw to approach or move away from each other synchronously on the slide rail, thereby adjusting the distance between the two support bases. At the same time, the lead screw has a certain self-locking function, and no additional structure is required to lock the slider.

[0029] Optionally, the clamping component includes two clamping plates, and the clamping plates are parallel to the stamping plate;

[0030] In the width direction of the bracket, the two clamping plates are symmetrically arranged on both sides of the stamping plate;

[0031] One end of the clamping plate is connected to the stamping plate, and the other end is located between the stamping plate and the support base.

[0032] By adopting the above technical solution, when the stamping plate contacts the pipe, the pipe is located between the two clamping plates, thereby realizing the clamping and limiting of the pipe by the clamping component.

[0033] Optionally, a driving mechanism is connected between the first connecting seat and the bracket. The driving mechanism includes a second connecting seat and a lifting member. The second connecting seat is installed at one end of the first connecting seat away from the support mechanism;

[0034] One end of the lifting member is connected to the end of the second connecting seat away from the first connecting seat, and the other end is connected to the bracket.

[0035] By adopting the above technical solution, the second connecting seat is driven to lift by the lifting member, thereby driving the first connecting seat to lift, and further driving the stamping plate to lift.

[0036] Optionally, the first connecting seat and the second connecting seat are detachably connected.

[0037] By adopting the above technical solution, the disassembly and assembly of the stamping mechanism are facilitated, which is conducive to the replacement of different types of stamping mechanisms.

[0038] Optionally, a connecting mechanism is connected between the first connecting seat and the second connecting seat. The connecting mechanism includes a plurality of first connecting components, and the plurality of first connecting components are distributed at intervals along the circumferential direction of the first connecting seat.

[0039] The first connecting component includes a connecting bolt and a connecting nut. After the connecting bolt passes through the first connecting seat and the second connecting seat, it is screwed with the connecting nut.

[0040] By adopting the above technical solution, the first connecting seat and the second connecting seat are detachably connected by the connecting bolt and the connecting nut.

[0041] Optionally, a connecting mechanism is connected between the first connecting seat and the second connecting seat. The connecting mechanism includes a second connecting component. The second connecting component includes a dovetail slide rail and a dovetail slider. The dovetail slide rail is installed on the second connecting seat.

[0042] The dovetail slider is installed on the first connecting seat and is slidably connected with the dovetail slide rail.

[0043] A pin is also connected between the first connecting seat and the second connecting seat.

[0044] By adopting the above technical solution, through the dovetail slide rail and the dovetail slider, the first connecting seat and the second connecting seat can be initially limited in position, and then a pin is used to limit the sliding of the first connecting seat. The disassembly and assembly of the first connecting seat are convenient and fast.

[0045] In summary, the present application includes at least one of the following beneficial technical effects:

[0046] 1. In the present application, two support seats with adjustable spacing can be used to bend pipes with different lengths, improving the application range of the positioning tooling.

[0047] 2. In the present application, the pipe is supported by rollers. The rollers can reduce the friction between the pipe and the support seat, so that when the pipe deforms downward and relative movement occurs between the pipe and the support seat, the pipe is not easily scratched by the support seat.

[0048] 3. In the present application, the lead screw drives two sliders to approach or move away from each other synchronously on the slide rail, thereby adjusting the spacing between the two support seats. At the same time, the lead screw has a certain self-locking function, and no additional structure is required to lock the sliders.

[0049] 4. In the present application, the first connecting seat and the second connecting seat are detachably connected, which facilitates the disassembly and assembly of the stamping mechanism and is conducive to the replacement of the stamping mechanism. Brief Description of the Drawings

[0050] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0051] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application;

[0052] Figure 2 is a schematic diagram of the structure of the support mechanism;

[0053] Figure 3 is a combined structure schematic diagram of the stamping mechanism, the driving mechanism and the first connection component;

[0054] Figure 4 is a combined structure schematic diagram of the stamping mechanism, the driving mechanism and the second connection component.

[0055] Reference numerals:

[0056] 1, bracket; 2, support mechanism; 21, support base; 2101, clamping groove; 22, roller; 23, end limit plate; 24, displacement component; 241, slide rail; 242, slider; 243, bidirectional lead screw; 244, motor; 3, stamping mechanism; 30, first connection seat; 31, stamping plate; 311, arc plate; 3101, groove; 32, clamping component; 321, clamping plate; 33, first reinforcing rib; 4, driving mechanism; 40, second connection seat; 41, lifting member; 42, second reinforcing rib; 5, connection mechanism; 51, first connection component; 511, connection bolt; 512, connection nut; 52, second connection component; 521, dovetail slide rail; 522, dovetail slider; 523, pin. Detailed Description of the Embodiments

[0057] The following will further elaborate on the present application in conjunction with the attached Figures 1-4 for a more detailed description of the present application.

[0058] The embodiment of the present application discloses a limiting tooling for stamping metal pipes. Referring to Figure 1 , a limiting tooling for stamping metal pipes includes a bracket 1, a support mechanism 2 and a stamping mechanism 3.

[0059] Referring to Figure 2, the support mechanism 2 includes two support seats 21. In the length direction of the bracket 1, the support seats 21 are movably installed on the bracket 1, so that the distance between the two support seats 21 can be adjusted. Moreover, the support seats 21 are also detachably connected to the bracket 1 to ensure that they can be locked with the bracket 1 after the position adjustment of the support seats 21 is completed. The two support seats 21 are arranged oppositely at intervals, and the support seats 21 are provided with clamping grooves 2101 arranged along the length direction of the bracket 1. When the clamping grooves 2101 are arranged, the width of the clamping grooves 2101 should be greater than the maximum width of the pipe, so that the clamping grooves 2101 can adapt to pipes of different diameters.

[0060] Referring to Figure 3 , the stamping mechanism 3 is arranged above the support mechanism 2. The stamping mechanism 3 includes a first connecting seat 30, a stamping plate 31 and a plurality of clamping components 32. The first connecting seat 30 is installed on the bracket 1 so as to be liftable. The stamping plate 31 is vertically arranged below the first connecting seat 30, and a plurality of first reinforcing ribs 33 are connected between the stamping plate 31 and the first connecting seat 30, and are arranged along the length direction of the bracket 1 and are connected to the first connecting seat 30. One end of the stamping plate 31 away from the first connecting seat 30 is provided with an arc plate 311 protruding towards the support mechanism 2, and the arc plate 311 is coplanar with the stamping plate 31. The clamping components 32 are installed at one end of the stamping plate 31 away from the first connecting seat 30, and in the length direction of the bracket 1, the plurality of clamping components 32 are distributed at intervals.

[0061] Referring to Figure 1 , Figure 2 and Figure 3 , the pipes mainly include types such as rectangular pipes and round pipes. In the implementation mode of the present application, when bending a rectangular pipe, first adjust the distance between the two support seats 21 according to the length of the rectangular pipe, so that the two support seats 21 can support rectangular pipes of different lengths, and the two support seats 21 need to be symmetrically arranged on both sides of the stamping mechanism 3. Place the two ends of the rectangular pipe into the two clamping grooves 2101 respectively to limit the position of the rectangular pipe in the width direction of the bracket 1, realize the limit of the pipe, and the side wall of the rectangular pipe should abut against the side wall of the clamping groove 2101 to ensure that the rectangular pipe is placed along the length direction of the bracket 1. Then the stamping mechanism 3 moves downward so that the stamping plate 31 contacts the top end of the rectangular pipe, and at this time, the plurality of clamping components 32 will also clamp the rectangular pipe to limit the relative position between the rectangular pipe and the stamping plate 31. Then the stamping plate 31 moves further downward to press the rectangular pipe, so that the arc surface of the arc plate 311 stamps the rectangular pipe. After the rectangular pipe is bent and formed along the arc surface of the arc plate 311, the stamping mechanism 3 moves upward away from the support mechanism 2, and then the finished bent pipe is taken away.

[0062] Referring to Figure 1 , Figure 2 and Figure 3, in other embodiments, when bending a circular tube, first adjust the distance between the two support seats 21 according to the length of the circular tube so that the two support seats 21 can support circular tubes of different lengths, and the two support seats 21 need to be symmetrically arranged on both sides of the stamping mechanism 3. Place the two ends of the circular tube in the two clamping grooves 2101 respectively to limit the position of the circular tube in the width direction of the bracket 1, realize the limit of the circular tube, and ensure that the circular tube is placed as far as possible along the length direction of the bracket 1. To facilitate the further limitation of the circular tube, a groove 3101 arranged along the length direction of the arc surface needs to be provided on the arc surface of the arc plate 311. Then the stamping mechanism 3 moves downward so that the stamping plate 31 contacts the top end of the circular tube. At this time, the plurality of clamping components 32 will initially clamp the circular tube to preliminarily limit the circular tube. Then, appropriately adjust the position of the circular tube so that the groove 3101 clamps the top end of the circular tube to further clamp the circular tube, ensure that the circular tube is arranged in the length direction of the bracket 1, and further limit the relative position between the circular tube and the stamping plate 31. Then the stamping plate 31 moves downward to press the circular tube, so that the arc surface of the arc plate 311 stamps the circular tube, and after the circular tube is bent and formed along the arc surface of the arc plate 311, the stamping mechanism 3 moves upward away from the support mechanism 2, and then take away the finished bent pipe. Furthermore, the present application can bend different types of pipe materials.

[0063] Refer to Figure 2 , a plurality of rollers 22 are provided on the inner side of the clamping groove 2101, and the axis of the roller 22 is arranged along the width direction of the bracket 1. In the length direction of the bracket 1, the plurality of rollers 22 are spaced apart, and the roller 22 is rotatably connected to the support seat 21. In the embodiment of the present application, the pipe material is supported by the roller 22, and the roller 22 can reduce the friction between the pipe material and the support seat 21, so that when the pipe material moves downward and deforms and generates relative movement with the support seat 21, it is not easily scratched by the support seat 21.

[0064] Refer to Figure 2 , end limit plates 23 connected to the support seat 21 are provided at the opposite ends of the two clamping grooves 2101. In the embodiment of the present application, when the pipe material is in the clamping groove 2101, the end limit plate 23 contacts the end of the pipe material, and in the length direction of the bracket 1, the two end limit plates 23 clamp the pipe material to limit the position of the pipe material in the length direction of the bracket 1.

[0065] Refer to Figure 2, a displacement assembly 24 is connected between the support base 21 and the bracket 1. The displacement assembly 24 includes a slide rail 241 and two sliders 242. The slide rail 241 is arranged along the length direction of the bracket 1 and is connected to the bracket 1. The two sliders 242 are arranged corresponding to the two support bases 21. The slider 242 is connected to the corresponding support base 21, is slidably connected to the slide rail 241, and is also detachably connected to the slide rail 241. In the embodiment of the present application, by driving the slider 242 to slide on the slide rail 241, the support base 21 is driven to slide on the bracket 1. After the support base 21 moves in place, the slider 242 is detachably connected to the slide rail 241 to realize the adjustment of the distance between the two support bases 21.

[0066] Refer to Figure 2 , a displacement assembly 24 is connected between the support base 21 and the bracket 1. The displacement assembly 24 includes a slide rail 241, a bidirectional lead screw 243 and two sliders 242. The slide rail 241 is arranged along the length direction of the bracket 1 and is connected to the bracket 1. The two sliders 242 are arranged corresponding to the two support bases 21. The slider 242 is connected to the corresponding support base 21 and is slidably connected to the slide rail 241. The bidirectional lead screw 243 is arranged along the length direction of the bracket 1 and is rotatably connected to the slide rail 241. The two sliders 242 are respectively screwed to the two ends of the bidirectional lead screw 243. In the embodiment of the present application, the two sliders 242 are driven to approach or move away synchronously on the slide rail 241 by the lead screw, so as to adjust the distance between the two support bases 21. At the same time, the lead screw has a certain self-locking function, and no additional structure is required to lock the slider 242.

[0067] Refer to Figure 3 , the clamping assembly 32 includes two clamping plates 321, and the clamping plates 321 are parallel to the stamping plate 31. In the width direction of the bracket 1, the two clamping plates 321 are symmetrically arranged on both sides of the stamping plate 31. One end of the clamping plate 321 is connected to the stamping plate 31, and the other end is located between the stamping plate 31 and the support base 21. In the embodiment of the present application, when the stamping plate 31 contacts the pipe, the pipe is located between the two clamping plates 321, so as to realize the clamping and limiting of the pipe by the clamping assembly 32.

[0068] Refer to Figure 3 , a driving mechanism 4 is connected between the first connecting seat 30 and the bracket 1. The driving mechanism 4 includes a second connecting seat 40 and a lifting member 41. The second connecting seat 40 is installed at one end of the first connecting seat 30 away from the supporting mechanism 2, and a second reinforcing rib 42 arranged along the length direction of the bracket 1 is provided on the second connecting seat 40. One end of the lifting member 41 is connected to the end of the second connecting seat 40 away from the first connecting seat 30, and the other end is connected to the bracket 1. In the embodiment of the present application, the second connecting seat 40 is driven to lift by the lifting member 41, so as to drive the first connecting seat 30 to lift, and further drive the stamping plate 31 to lift.

[0069] Refer to Figure 3 , the first connecting seat 30 and the second connecting seat 40 are detachably connected. In the embodiment of the present application, it is convenient to disassemble and assemble the stamping mechanism 3, which is beneficial to the replacement of different types of stamping mechanisms 3.

[0070] Refer to Figure 3 , a connecting mechanism 5 is connected between the first connecting seat 30 and the second connecting seat 40. The connecting mechanism 5 includes a plurality of first connecting components 51, and the plurality of first connecting components 51 are distributed at intervals along the circumferential direction of the first connecting seat 30. The first connecting component 51 includes a connecting bolt 511 and a connecting nut 512. After the connecting bolt 511 passes through the first connecting seat 30 and the second connecting seat 40, it is screwed with the connecting nut 512. In the embodiment of the present application, the first connecting seat 30 and the second connecting seat 40 are detachably connected by the connecting bolt 511 and the connecting nut 512.

[0071] Refer to Figure 4 , a connecting mechanism 5 is connected between the first connecting seat 30 and the second connecting seat 40. The connecting mechanism 5 includes a second connecting component 52. The second connecting component 52 includes a dovetail slide rail 521 and a dovetail slider 522. The dovetail slide rail 521 is installed on the second connecting seat 40. The dovetail slider 522 is installed on the first connecting seat 30 and is slidably connected with the dovetail slide rail 521. A pin 523 is also connected between the first connecting seat 30 and the second connecting seat 40. In the embodiment of the present application, through the dovetail slide rail 521 and the dovetail slider 522, the first connecting seat 30 and the second connecting seat 40 can be preliminarily limited, and then a pin 523 is used to limit the sliding of the first connecting seat 30. The disassembly and assembly of the first connecting seat 30 are convenient and fast.

[0072] The implementation principle of a limiting tooling for stamping metal pipes in an embodiment of the present application is as follows:

[0073] The pipes mainly include types such as rectangular pipes and round pipes.

[0074] When bending a rectangular tube, first adjust the distance between the two support seats 21 according to the length of the rectangular tube, so that the two support seats 21 can support rectangular tubes of different lengths, and the two support seats 21 need to be symmetrically arranged on both sides of the stamping mechanism 3. Place the two ends of the rectangular tube into the two clamping grooves 2101 respectively, limit the position of the rectangular tube in the width direction of the bracket 1, realize the limitation of the pipe material, and the side wall of the rectangular tube should abut against the side wall of the clamping groove 2101 to ensure that the rectangular tube is placed along the length direction of the bracket 1. Then the stamping mechanism 3 moves downward so that the stamping plate 31 contacts the top end of the rectangular tube, and at this time, a plurality of clamping components 32 will also clamp the rectangular tube to limit the relative position between the rectangular tube and the stamping plate 31. Then the stamping plate 31 moves further downward to press the rectangular tube, so that the arc surface of the arc-shaped plate 311 stamps the rectangular tube. After the rectangular tube is bent and formed along the arc surface of the arc-shaped plate 311, the stamping mechanism 3 moves upward away from the support mechanism 2, and then the finished bent pipe is taken away.

[0075] When bending a circular tube, first adjust the distance between the two support seats 21 according to the length of the circular tube, so that the two support seats 21 can support circular tubes of different lengths, and the two support seats 21 need to be symmetrically arranged on both sides of the stamping mechanism 3. Place the two ends of the circular tube into the two clamping grooves 2101 respectively, limit the position of the circular tube in the width direction of the bracket 1, realize the limitation of the circular tube, and ensure that the circular tube is placed as much as possible along the length direction of the bracket 1. For the convenience of further limiting the circular tube, a groove 3101 arranged along the length direction of the arc surface needs to be provided on the arc surface of the arc-shaped plate 311. Then the stamping mechanism 3 moves downward so that the stamping plate 31 contacts the top end of the circular tube. At this time, a plurality of clamping components 32 will initially clamp the circular tube to preliminarily limit the circular tube. Then, appropriately adjust the position of the circular tube so that the groove 3101 clamps the top end of the circular tube to further clamp the circular tube, ensure that the circular tube is arranged in the length direction of the bracket 1, and further limit the relative position between the circular tube and the stamping plate 31. Then the stamping plate 31 moves downward to press the circular tube, so that the arc surface of the arc-shaped plate 311 stamps the circular tube. After the circular tube is bent and formed along the arc surface of the arc-shaped plate 311, the stamping mechanism 3 moves upward away from the support mechanism 2, and then the finished bent pipe is taken away.

[0076] Unless otherwise defined, the technical terms or scientific terms used in this application shall have the ordinary meanings as understood by those of ordinary skill in the art to which this application pertains. The terms "first", "second", "third" and similar terms used in the description and claims of this application do not denote any order, quantity or importance, but are merely used to distinguish different components. Similar terms such as "a" or "an" do not denote a quantity limitation, but rather indicate the presence of at least one. Terms such as "comprising" or "including" mean that the elements or items appearing before "comprising" or "including" cover the elements or items listed after "comprising" or "including" and their equivalents, and do not exclude other elements or items. Terms such as "upper", "lower", "left", "right" are only used to indicate relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationships may also change accordingly.

[0077] The above are all optional embodiments of this application, and do not limit the protection scope of this application accordingly. Therefore, all equivalent changes made according to the structure, shape and principle of this application shall be covered within the protection scope of this application.

Claims

1. A limiting tooling for stamping metal pipe materials, characterized in that: It includes a bracket (1), a support mechanism (2) and a stamping mechanism (3). The support mechanism (2) includes two support seats (21). In the length direction of the bracket (1), the support seats (21) are movably installed on the bracket (1) and are also detachably connected to the bracket (1). The two support seats (21) are arranged opposite to each other at intervals, and the support seats (21) are provided with clamping grooves (2101) arranged along the length direction of the bracket (1). The stamping mechanism (3) is arranged above the support mechanism (2). The stamping mechanism (3) includes a first connection seat (30), a stamping plate (31) and a plurality of clamping components (32). The first connection seat (30) is installed on the bracket (1) in a liftable manner. The stamping plate (31) is arranged vertically below the first connection seat (30), is arranged along the length direction of the bracket (1), and is connected to the first connection seat (30). One end of the stamping plate (31) far from the first connection seat (30) is provided with an arc plate (311) protruding towards the support mechanism (2), and the arc plate (311) is coplanar with the stamping plate (31). The clamping components (32) are installed at one end of the stamping plate (31) far from the first connection seat (30). In the length direction of the bracket (1), the plurality of clamping components (32) are distributed at intervals.

2. The limit tooling for stamping of metal pipes according to claim 1, characterized in that: A plurality of rollers (22) are arranged inside the clamping groove (2101), and the axis of the rollers (22) is arranged along the width direction of the bracket (1). In the length direction of the bracket (1), the plurality of rollers (22) are distributed at intervals, and the rollers (22) are rotatably connected to the support seat (21).

3. The limiting tooling for stamping metal pipes according to claim 2, characterized in that: End limiting plates (23) connected to the support seat (21) are arranged at the opposite ends of the two clamping grooves (2101).

4. A limiting tooling for stamping of metal pipes according to claim 1, characterized in that: A displacement component (24) is connected between the support seat (21) and the bracket (1). The displacement component (24) includes a slide rail (241) and two sliders (242). The slide rail (241) is arranged along the length direction of the bracket (1) and is connected to the bracket (1). The two sliders (242) are arranged corresponding to the two support seats (21). The slider (242) is connected to the corresponding support seat (21), is slidably connected to the slide rail (241), and is also detachably connected to the slide rail (241).

5. A limiting tooling for stamping metal pipes according to claim 1, characterized in that: A displacement component (24) is connected between the support seat (21) and the bracket (1). The displacement component (24) includes a slide rail (241), a bidirectional lead screw (243) and two sliders (242). The slide rail (241) is arranged along the length direction of the bracket (1) and is connected to the bracket (1). The two sliders (242) are arranged corresponding to the two support seats (21). The slider (242) is connected to the corresponding support seat (21) and is slidably connected to the slide rail (241). The bidirectional lead screw (243) is arranged along the length direction of the bracket (1) and is rotatably connected to the slide rail (241); The two sliders (242) are respectively screwed to the two ends of the bidirectional lead screw (243).

6. The limit tooling for stamping of metal pipes according to claim 1, characterized in that: The clamping assembly (32) includes two clamping plates (321), and the clamping plates (321) are parallel to the stamping plate (31); In the width direction of the bracket (1), the two clamping plates (321) are symmetrically arranged on both sides of the stamping plate (31); One end of the clamping plate (321) is connected to the stamping plate (31), and the other end is located between the stamping plate (31) and the support base (21).

7. The positioning tooling for stamping of metal pipes according to claim 1, wherein: A driving mechanism (4) is connected between the first connecting seat (30) and the bracket (1). The driving mechanism (4) includes a second connecting seat (40) and a lifting member (41). The second connecting seat (40) is installed at one end of the first connecting seat (30) away from the support mechanism (2); One end of the lifting member (41) is connected to the end of the second connecting seat (40) away from the first connecting seat (30), and the other end is connected to the bracket (1).

8. The limit tooling for metal pipe stamping according to claim 7, characterized in that: The first connecting seat (30) and the second connecting seat (40) are detachably connected.

9. The positioning tooling for stamping of metal pipes according to claim 8, wherein: A connecting mechanism (5) is connected between the first connecting seat (30) and the second connecting seat (40). The connecting mechanism (5) includes a plurality of first connecting components (51), and the plurality of first connecting components (51) are circumferentially spaced along the first connecting seat (30); The first connecting component (51) includes a connecting bolt (511) and a connecting nut (512). After the connecting bolt (511) passes through the first connecting seat (30) and the second connecting seat (40), it is screwed to the connecting nut (512).

10. The positioning tooling for stamping of metal pipes according to claim 8, characterized in that: A connecting mechanism (5) is connected between the first connecting seat (30) and the second connecting seat (40). The connecting mechanism (5) includes a second connecting component (52). The second connecting component (52) includes a dovetail slide rail (521) and a dovetail slider (522). The dovetail slide rail (521) is installed on the second connecting seat (40); The dovetail slider (522) is installed on the first connecting seat (30) and is slidably connected to the dovetail slide rail (521); A pin (523) is also connected between the first connecting seat (30) and the second connecting seat (40).

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