Metal plate welding groove prefabrication tool clamp

Abstract

The utility model discloses a tool clamp for prefabricating a welding groove of a metal plate. Comprising a base, a groove is formed in the middle of the base, a first inclined plane and a second inclined plane are arranged on the portions, on the two sides of the groove, of the base, a center rod is arranged in the center of the base and connected with a pressing block, a fixing piece is arranged above the pressing block and connected with the center rod, and a third inclined plane and a fourth inclined plane are arranged on the two sides of the pressing block. The inclination angle of the third inclined face is matched with the inclination angle of the first inclined face, and the inclination angle of the fourth inclined face is matched with the inclination angle of the second inclined face. According to the tool clamp, after the metal plates are placed in the tool clamp, the pressing blocks are moved to press the metal plates on the base, then the pressing blocks are fixed through the fixing pieces so that the fixing stability of the metal plates can be ensured, and finally the multiple metal plates can be milled through a milling cutter of a milling machine; therefore, the efficiency and the consistency of groove prefabrication of the metal plate can be greatly improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of plate processing, in particular to a metal plate welding groove prefabrication tool clamp. BACKGROUND

[0002] In the production process of steel, aluminum and other structures or equipment, welding construction is one of important procedures, and plate groove prefabrication is an important link of the procedure. The large engineering quantity and high quality requirement have a very direct influence on production progress and welding quality control. At present, there are mainly three ways for opening a groove of a steel, aluminum and other structure plate: handheld flame gun cutting, semi-automatic groove opening machine opening a groove and groove opening machine opening a groove. However, there are problems such as: low cutting efficiency of single piece at a time; oxidation skin and airflow instability to produce knife marks in flame cutting; uneven end surface in groove opening machine opening a groove, which needs secondary polishing processing; and the groove opening machine cannot operate small components due to the influence of component size, which is difficult to control in progress, quality and cost. That is, there are problems of low groove opening efficiency and poor groove consistency when opening a groove of a steel, aluminum and other structure plate. CONTENT OF THE UTILITY MODEL

[0003] The application mainly solves the technical problem of providing a metal plate welding groove prefabrication tool clamp to solve the problems of low groove opening efficiency and poor groove consistency.

[0004] To solve the above technical problem, one technical scheme of the application provides a metal plate welding groove prefabrication tool clamp, which comprises a base, a recess is arranged in the middle of the base, first and second inclined surfaces are arranged on the base on the two sides of the recess, a center rod is arranged at the center of the base, a pressing block is connected to the center rod, a fixing piece is arranged above the pressing block, the fixing piece is connected to the center rod, third and fourth inclined surfaces are arranged on the two sides of the pressing block, the inclination angle of the third inclined surface is adapted to the inclination angle of the first inclined surface, and the inclination angle of the fourth inclined surface is adapted to the inclination angle of the second inclined surface.

[0005] In some embodiments, the middle part of the base comprises a connecting part, a connecting hole is arranged at the center of the connecting part, and the center rod is arranged at the connecting hole.

[0006] In some embodiments, a plurality of first and second teeth are arranged at the bottom surface of the recess on the two sides of the connecting part, the inclination angle of the first tooth on the same side as the inclination direction of the first inclined surface is the same as the inclination angle of the first inclined surface, and the inclination angle of the second tooth on the same side as the inclination direction of the second inclined surface is the same as the inclination angle of the second inclined surface.

[0007] In some embodiments, the first inclined surface, the second inclined surface, the third inclined surface and the fourth inclined surface have the same inclination direction and angle.

[0008] In some embodiments, the middle part and the two sides of the base are provided with a plurality of fixing holes, bolts are arranged in the fixing holes, and the bolts are used to fixedly connect the base and a machining panel of a milling machine.

[0009] In some embodiments, the lower end of the center rod is arranged at the connecting hole, the pressing block is arranged on the periphery of the center rod, and the pressing block is movable up and down relative to the center rod.

[0010] In some embodiments, the pressing block comprises a center part and pressing parts on the two sides of the center part, the center part is square, and the third inclined surface and the fourth inclined surface are respectively arranged on the side surfaces of the pressing parts on the two sides.

[0011] In some embodiments, the outer side of the center rod is provided with external threads, the inner wall of the fixing part is provided with internal threads, and the external threads are matched with the internal threads.

[0012] In some embodiments, the inclination angles of the first inclined surface, the second inclined surface, the third inclined surface and the fourth inclined surface are all 45°.

[0013] In some embodiments, the roughnesses of the first inclined surface, the second inclined surface, the third inclined surface and the fourth inclined surface are all Ra6.3.

[0014] The application has the beneficial effects that the application discloses a metal plate welding groove prefabrication tool clamp, the tool clamp can be fixed on a machining panel of a milling machine, a plurality of metal plates are arranged and placed at the grooves, the metal plates can be placed on the two sides of the pressing block, the inclination angle of the groove to be prefabricated of the metal plate is matched with the inclination angle of the first inclined surface or the second inclined surface, after the metal plate is placed in the tool clamp, the pressing block is moved to press the metal plate on the base, then the pressing block is fixed by the fixing part to ensure the stability of the metal plate, finally the milling cutter of the milling machine can mill the plurality of metal plates, so that the efficiency and consistency of the metal plate groove prefabrication can be greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structure schematic view when a groove is opened according to an embodiment of the application;

[0016] Figure 2 is a structure schematic view when clamping is performed according to an embodiment of the application;

[0017] Figure 3 is a structure schematic view according to an embodiment of the application;

[0018] Figure 4 is a front view structural schematic diagram according to an embodiment of the present application;

[0019] Figure 5 is a structural schematic diagram of a base according to an embodiment of the present application. DETAILED DESCRIPTION

[0020] In order for those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0021] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or indirectly disposed on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0022] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or component referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0023] In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of", "several" is two or more, unless otherwise explicitly and specifically limited.

[0024] It should be understood that the structure, proportion, size, etc. shown in the drawings of the present application are only used to cooperate with the content disclosed in the description, so that those skilled in the art can understand and read, and are not used to limit the implementation conditions of the present application, and therefore do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0025] Figures 1-5The application discloses a welding groove prefabrication jig for metal plate 20, which comprises a base 1, a groove 11 arranged in the middle of the base 1, a first inclined surface 12 and a second inclined surface 13 arranged on the base 1 at the two sides of the groove 11, a center rod 2 arranged at the center of the base 1, a pressing block 3 connected with the center rod 2, a fixing piece 4 arranged above the pressing block 3, the fixing piece 4 being connected with the center rod 2, a third inclined surface 31 and a fourth inclined surface 32 arranged at the two sides of the pressing block 3, the third inclined surface 31 being adapted to the inclined angle of the first inclined surface 12, and the fourth inclined surface 32 being adapted to the inclined angle of the second inclined surface 13.

[0026] In the application, the jig can be fixed on the machining panel 101 of the milling machine 10, and then a plurality of metal plates 20 are arranged at the groove 11, the metal plates 20 can be arranged at the two sides of the pressing block 3, the groove to be prefabricated of the metal plates 20 is adapted to the inclined angle of the first inclined surface 12 or the second inclined surface 13, after the metal plates 20 are arranged in the jig, the pressing block 3 is moved to press the metal plates 20 on the base 1, then the pressing block 3 is fixed through the fixing piece 4, so that the stability of the metal plates 20 is ensured, finally the milling cutter of the milling machine 10 can be used to mill the plurality of metal plates 20, thereby the efficiency and consistency of the groove prefabrication of the metal plates 20 can be greatly improved.

[0027] In some embodiments, each surface of the base 1 is smooth, and the roughness of the inclined surface is Ra6.3.

[0028] In some embodiments, a plurality of fixing holes 14 are arranged at the two sides of the base 1, bolts are arranged in the fixing holes 14, and the base 1 is fixedly connected with the machining panel 101 of the milling machine 10 through the bolts, so that the stability of the base 1 is ensured.

[0029] In some embodiments, the middle part of the base 1 comprises a connecting part 15, a connecting hole 16 is arranged at the center of the connecting part 15, and the center rod 2 is arranged at the connecting hole 16.

[0030] In some embodiments, fixing holes 14 are also arranged on the connecting part 15 at the two sides of the connecting hole 16, bolts are arranged in the fixing holes 14, and the base 1 is fixedly connected with the machining panel 101 of the milling machine 10 through the bolts, so that the stability of the base 1 is further ensured.

[0031] In some embodiments, a plurality of first teeth 17 and second teeth 18 are arranged on the bottom surface of the groove 11 on both sides of the connecting portion 15. The first teeth 17 are arranged on the same side of the first inclined surface 12 and have the same inclination angle as the first inclined surface 12. The second teeth 18 are arranged on the same side of the second inclined surface 13 and have the same inclination angle as the second inclined surface 13. Each of the first teeth 17 and the second teeth 18 can correspond to a metal plate 20. The first teeth 17 and the second teeth 18 can prevent the metal plate 20 from moving and ensure the stability of the metal plate 20.

[0032] In some embodiments, the distance between the first teeth 17 and the second teeth 18 is 7 mm, and the depth of the groove between the first teeth 17 and the second teeth 18 is 1 mm. The first teeth 17 and the second teeth 18 can satisfy the fixing and processing of the metal plate 20 with a thickness of 5 mm, 10 mm, 15 mm, 20 mm, 25 mm, or 30 mm.

[0033] In some embodiments, the first inclined surface 12, the second inclined surface 13, the third inclined surface 31, and the fourth inclined surface 32 have the same inclination direction and angle. This can ensure the consistency of the bevel preparation of the metal plate 20.

[0034] In some embodiments, the length of the metal plate 20 is ≤350 mm, the width of the metal plate 20 is ≤350 mm, the thickness of the metal plate 20 is ≤20 mm, and the bevel is 45°. In this case, the inclination angle of the first inclined surface 12, the second inclined surface 13, the third inclined surface 31, and the fourth inclined surface 32 is 45°.

[0035] In some embodiments, the lower end of the center rod 2 is fixed in the connecting hole 16 of the base 1, and the pressing block 3 is sleeved on the periphery of the center rod 2. The pressing block 3 can move up and down relative to the center rod 2. The pressing block 3 includes a center portion 33 and pressing portions 34 on both sides of the center portion 33. The third inclined surface 31 and the fourth inclined surface 32 are located on the side surfaces of the two pressing portions 34, respectively.

[0036] In some embodiments, each surface of the pressing block 3 is smooth, and the roughness of the third inclined surface 31 and the fourth inclined surface 32 is Ra6.3.

[0037] In some embodiments, the center portion 33 is square-shaped to improve the structural strength of the pressing block 3.

[0038] In some embodiments, the fixing member 4 can be fixed to the center rod 2 by means of a plurality of through holes formed in the center rod 2 and a plurality of positioning pins inserted into the through holes. The positioning pins can press the pressing block 3 against the side surface of the metal plate 20 as the fixing member 4.

[0039] In some embodiments, the outer side of the center rod 2 can also be provided with external threads, the inner wall of the fixing member 4 is provided with internal threads, the external threads are matched with the internal threads, and the center rod 2 is screwed with the fixing member 4 to press the pressing block 3 against the side surface of the metal plate 20.

[0040] Therefore, the metal plate welding groove prefabrication tool clamp can be fixed on the machining panel of the milling machine, and then a plurality of metal plates are arranged and placed in the grooves, the metal plates can be placed on both sides of the pressing block, the groove to be prefabricated of the metal plate is matched with the inclination angle of the first inclined surface or the second inclined surface, after the metal plate is placed in the tool clamp, the pressing block is moved to press the metal plate against the base, then the pressing block is fixed by the fixing member to ensure the stability of the metal plate, finally the milling cutter of the milling machine can mill the plurality of metal plates, thereby greatly improving the efficiency and consistency of the metal plate groove prefabrication. The present application can be mass-produced efficiently; the groove is formed at one time to avoid the secondary polishing process in the traditional process to improve the groove surface quality; labor input is reduced, and oxygen, acetylene and other consumables are saved; the whole process is mechanically milled to reduce manual operation and effectively avoid safety accidents.

[0041] The above is only an embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation using the content of the specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the present application.

Claims

1. A prewelding fixture clamp for sheet metal parts, characterized in that, The base is provided with a recess in the middle, first and second inclined surfaces on both sides of the recess, a center rod at the center of the base, a pressing block connected to the center rod, a fixing member above the pressing block and connected to the center rod, third and fourth inclined surfaces on both sides of the pressing block, the third inclined surface having the same inclination angle as the first inclined surface, and the fourth inclined surface having the same inclination angle as the second inclined surface.

2. The metal sheet welding bevel preparation fixture of claim 1, wherein, The middle of the base comprises a connecting part provided with a connecting hole at the center, and the center rod is arranged at the connecting hole.

3. The metal sheet welding bevel preparation fixture of claim 2, wherein, The bottom surface of the recess on both sides of the connecting part is provided with a plurality of first and second teeth, the first teeth have the same inclination angle as the same side of the first inclined surface, and the second teeth have the same inclination angle as the same side of the second inclined surface.

4. The metal sheet welding bevel preparation fixture of claim 3, wherein, The inclination directions and angles of the first, second, third and fourth inclined surfaces are the same.

5. The metal plate welding bevel preparation fixture of claim 1, wherein, The middle and both sides of the base are provided with a plurality of fixing holes, and bolts are arranged in the fixing holes to fixedly connect the base and the machining panel of the milling machine.

6. The metal sheet welding bevel preparation fixture of claim 2, wherein, The lower end of the center rod is arranged at the connecting hole, and the pressing block is arranged around the center rod and can move up and down relative to the center rod.

7. The metal sheet welding bevel preparation fixture of claim 1, wherein, The pressing block comprises a center part and pressing parts on both sides of the center part, the center part is square, and the third and fourth inclined surfaces are respectively arranged on the side surfaces of the pressing parts on both sides.

8. The metal sheet welding bevel preparation fixture of claim 1, wherein, The outer side of the center rod is provided with external threads, and the inner wall of the fixing member is provided with internal threads, and the external threads are matched with the internal threads.

9. The metal sheet welding bevel preparation fixture of claim 1, wherein, The inclination angles of the first, second, third and fourth inclined surfaces are all 45°.

10. The metal sheet welding bevel preparation fixture of claim 1, wherein, The roughness of the first, second, third and fourth inclined surfaces is all Ra6.3.

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