Welding fixture for precise numerical control blade production and manufacturing

Abstract

The utility model discloses a welding fixture for precise numerical control blade production and manufacturing, which comprises a base, a supporting block arranged above the base, a moving block arranged above the base, a pressing block arranged above the moving block and used for pressing and fixing a blade, and a handle arranged on one side of the base. The handle drives the moving blocks on the two sides to move inwards oppositely through the transmission assembly, and meanwhile the handle drives the lower pressing block to ascend and descend through the transmission assembly. According to the utility model, the electric control button is pressed down, the transmission assembly is in butt joint with the pressing block, the handle is rotated, the handle drives the pressing block to descend through the transmission assembly to press and fix the blade, after the blade is pressed and fixed, the control button is released, the transmission assembly is disconnected with the pressing block and is in butt joint with the moving block, and the handle is rotated. The handle drives the two moving blocks to move inwards oppositely through the transmission assembly, and the blade and the cutter bar with the two sides fixed through the lower pressing blocks are in butt joint for welding.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of CNC machine tool welding, in particular to a welding fixture for producing and manufacturing precision CNC blades. Background Art

[0002] CNC machine tool is the abbreviation of digital control machine tool. It is an automated machine tool equipped with a program control system. CNC machine tool has better solved the problems of complex, precise, small batch and multi-variety parts processing. It is a flexible and high-efficiency automated machine tool. It represents the development direction of modern machine tool control technology and is a typical mechatronics product. Welding fixtures are required in the production and manufacturing of CNC machine tool blades.

[0003] The existing welding fixture is inconvenient to adjust when used and cannot adapt to the relative connection when welding blades of different sizes to the knife rod. Therefore, the use is highly limited and blades of different sizes cannot be moved and connected well. Utility Model Content

[0004] The technical solution of the utility model addresses the technical problem that the existing technical solution is too single, and provides a solution that is significantly different from the existing technology. It mainly provides a welding fixture for the production and manufacturing of precision CNC blades, which is used to solve the technical problem raised in the above background technology that the existing welding fixture cannot conveniently move and connect blades of different sizes with tool rods, and is inconvenient to operate.

[0005] The technical solution adopted by the utility model to solve the above technical problems is:

[0006] A welding fixture for the production of precision CNC blades includes a base, a support block is provided above the base, a moving block is provided above the base, a pressing block for pressing down and fixing the blade is provided above the moving block, a handle is provided on one side of the base, the handle drives the moving blocks on both sides to move inward relative to each other through a transmission assembly, and at the same time, the handle drives the pressing block to move up and down through the transmission assembly.

[0007] Preferably, the transmission assembly includes a first electric telescopic rod, which is rotatably connected to one side of the inner portion of the base. A handle is sleeved on the first electric telescopic rod, and an electric control button is provided on the handle.

[0008] Preferably, one end of the first electric telescopic rod is inserted into the inside of the first threaded rod, the first threaded rod is rotatably connected to the inside of the base, and a moving block is screwed onto the first threaded rod.

[0009] Preferably, a rotating rod is rotatably connected inside the support block, and a pulley set is sleeved between the rotating rod and the first electric telescopic rod.

[0010] Preferably, a second electric telescopic rod is rotatably connected to the lower portion of the support block, and a bevel gear set is provided between the second electric telescopic rod and the rotating rod.

[0011] Preferably, a fixed block is fixedly installed above the moving block, a second threaded rod is screwed above the fixed block, the second electric telescopic rod is inserted into one end of the second threaded rod, the lower end of the second threaded rod is rotatably connected to a pressing block, and the pressing block is slidably connected to the fixed block.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: press the electric control button, at this time the transmission assembly is docked with the pressing block, turn the handle, the handle drives the pressing block down through the transmission assembly to press down and fix the blade, after the blade is pressed down and fixed, release the control button, at this time the transmission assembly is disconnected from the pressing block, and at the same time connected to the moving block, at this time turn the handle, the handle drives the two moving blocks to move inward relative to each other through the transmission assembly, and the blade rods fixed on both sides by the pressing blocks are connected and welded, so that docking before welding and separation after welding as well as pressing down and fixing the blade rod can be achieved by turning the handle, which is convenient to operate.

[0013] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a top view;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 4 for Figure 3 A in the middle is an enlarged structural diagram; Description of the drawings:

[0019] 1. Base; 2. Support block; 3. Moving block; 4. Fixed block; 5. Pressing block; 6. First threaded rod; 7. Handle; 8. Electric control button; 9. First electric telescopic rod; 10. Second threaded rod; 11. Rotating rod; 12. Pulley assembly; 13. Bevel gear assembly; 14. Second electric telescopic rod. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly associated with those skilled in the art in the technical field to which the present invention pertains. The terminology used herein in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0023] Please refer to the attached Figures 1-4 A welding fixture for the production and manufacturing of precision CNC blades includes a base 1, a support block 2 is provided above the base 1, a moving block 3 is provided above the base 1, a pressing block 5 for pressing down and fixing the blade is provided above the moving block 3, and a handle 7 is provided on one side of the base 1. The handle 7 drives the moving blocks 3 on both sides to move inward relative to each other through a transmission assembly, and at the same time, the handle 7 drives the pressing block 5 to move up and down through the transmission assembly.

[0024] The specific operation process of this utility model is as follows: connect the transmission assembly with the lower pressure block 5, turn the handle 7, the handle 7 drives the lower pressure blocks 5 on both sides to descend through the transmission assembly to fix the blade or knife rod below, then disconnect the connection between the transmission assembly and the lower pressure block 5, then connect the transmission assembly with the moving block 3, turn the handle 7, at this time the handle 7 drives the two moving blocks 3 to move inward relative to each other through the transmission assembly, the two moving blocks 3 drive the blades or knife rods to move inward relative to each other and connect, and then weld through the welding head.

[0025] Please refer to Figures 1-4 The transmission assembly includes a first electric telescopic rod 9, which is rotatably connected to one side of the base 1. A handle 7 is provided on the first electric telescopic rod 9, and an electric control button 8 is provided on the handle 7. One end of the first electric telescopic rod 9 is inserted into the first threaded rod 6, which is rotatably connected to the base 1. A moving block 3 is screwed on the first threaded rod 6.

[0026] When the electric control button 8 is in the released state, the first electric telescopic rod 9 extends forward. At this time, one end of the first electric telescopic rod 9 is inserted into the first threaded rod 6. The handle 7 is turned, and the handle 7 drives the first electric telescopic rod 9 to rotate. The first electric telescopic rod 9 drives the first threaded rod 6 to rotate. The first threaded rod 6 is a double-headed screw. A threaded hole that is compatible with the first threaded rod 6 is opened inside the moving block 3, and the moving block 3 is slidably connected to the base 1. The rotation of the first threaded rod 6 drives the moving blocks 3 on both sides to move inward relative to each other, and the blade or knife rod fixed above is butt-welded.

[0027] Please refer to Figure 1-Figure 3 The support block 2 is rotatably connected to a rotating rod 11, and a pulley group 12 is provided between the rotating rod 11 and the first electric telescopic rod 9. The second electric telescopic rod 14 is rotatably connected to the bottom of the support block 2, and a bevel gear group 13 is provided between the second electric telescopic rod 14 and the rotating rod 11. A fixed block 4 is fixedly installed above the moving block 3, and a second threaded rod 10 is screwed above the fixed block 4. The second electric telescopic rod 14 is inserted into one end of the second threaded rod 10, and the lower end of the second threaded rod 10 is rotatably connected to the lower pressing block 5, and the lower pressing block 5 is slidably connected to the fixed block 4.

[0028] When the electric control button 8 is in the pressed state, the second electric telescopic rod 14 extends downward and inserts into the second threaded rod 10. At this time, the handle 7 is turned, and the handle 7 drives the first electric telescopic rod 9 to rotate. The first electric telescopic rod 9 drives the rotating rod 11 to rotate through the pulley group 12. The rotation of the rotating rod 11 drives the second electric telescopic rod 14 to rotate through the bevel gear group 13. The second electric telescopic rod 14 drives the second threaded rod 10 to rotate. A threaded hole compatible with the second threaded rod 10 is provided on the fixed block 4. The rotation of the second threaded rod 10 drives the lower pressing block 5 to descend. The lower pressing block 5 descends to press down and fix the blade above the lower movable block 3, and the second electric telescopic rod 14 will extend downward synchronously with the descent of the second threaded rod 10. An elastic member can be provided between the lower pressing block 5 and the second threaded rod 10, so that the lower pressing blocks 5 on both sides can fix blades or knife rods of different thicknesses.

[0029] The above description of the present invention is illustrative in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the scope of protection of the present invention.

Claims

1. A welding fixture for producing precision CNC blades, comprising a base (1), a support block (2) being arranged above the base (1), and characterized in that: A moving block (3) is provided above the base (1), and a pressing block (5) for pressing down and fixing the blade is provided above the moving block (3). A handle (7) is provided on one side of the base (1), and the handle (7) drives the moving blocks (3) on both sides to move inward relative to each other through a transmission assembly, and at the same time, the handle (7) drives the pressing block (5) to move up and down through the transmission assembly.

2. The welding fixture for producing precision CNC blades according to claim 1, characterized in that: The transmission assembly comprises a first electric telescopic rod (9), the first electric telescopic rod (9) being rotatably connected to one side of the interior of the base (1), a handle (7) being sleeved on the first electric telescopic rod (9), and an electric control button (8) being provided on the handle (7).

3. The welding fixture for producing precision CNC blades according to claim 2, characterized in that: One end of the first electric telescopic rod (9) is inserted into the interior of the first threaded rod (6), the first threaded rod (6) is rotatably connected to the interior of the base (1), and a moving block (3) is screwed onto the first threaded rod (6).

4. The welding fixture for producing precision CNC blades according to claim 2, characterized in that: The support block (2) is internally rotatably connected to a rotating rod (11), and a pulley group (12) is sleeved between the rotating rod (11) and the first electric telescopic rod (9).

5. The welding fixture for producing precision CNC blades according to claim 4, characterized in that: A second electric telescopic rod (14) is rotatably connected below the support block (2), and a bevel gear set (13) is provided between the second electric telescopic rod (14) and the rotating rod (11).

6. The welding fixture for producing precision CNC blades according to claim 5, characterized in that: A fixed block (4) is fixedly installed above the movable block (3); a second threaded rod (10) is screwed onto the top of the fixed block (4); the second electric telescopic rod (14) is inserted into one end of the second threaded rod (10); a lower pressing block (5) is rotatably connected to the lower end of the second threaded rod (10); and the lower pressing block (5) is slidably connected to the fixed block (4).

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