Welding fixture for precise numerical control blade production and manufacturing

Abstract

The utility model relates to the technical field of welding fixtures, in particular to a welding fixture for precise numerical control blade production and manufacturing. The cutter clamping device has the advantages that by rotating the rotating handle, the sliding clamp can be driven by the connecting rod to slide to achieve clamping and loosening actions, the sliding clamp is driven by rotating the lead screw to slide to clamp a cutter, when cutters of the same batch are replaced, clamping and loosening can be achieved only by rotating the rotating handle, the lead screw does not need to be rotated back and forth for adjustment, and the cutter clamping device is simple in structure and convenient to use. After the rotating handle is pushed to be vertical, the connecting rod abuts against the sliding clamp for clamping, under pushing of the thrust spring, the fixing plug pin is inserted into the inserting hole, fixing of the rotating handle is achieved, fixing of clamping of the sliding clamp is achieved, loosening caused by accidental touching of the rotating handle is prevented, the clamping firmness is improved, and the service life of the rotating handle is prolonged. And during loosening, the fixed bolt can be pulled out of the insertion hole only by holding the sliding sleeve and pushing the sliding sleeve upwards when the rotating handle is pushed, so that the dismounting efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding fixture technical field, especially a kind of welding fixture for precision numerical control blade production and manufacture. BACKGROUND

[0002] CNC machine tool is the abbreviation of digital control machine tool, is a kind of automatic machine tool equipped with program control system, and CNC machine tool solves the problem of complex, precision, small batch, multi-specification parts processing, is a kind of flexible, high-efficiency automatic machine tool, represents the development direction of modern machine tool control technology, and is a typical mechatronics product.

[0003] The tool production of precision numerical control machine tool needs welding operation, and the tool needs to be fixed by welding fixture, but the current tool welding fixing fixture still has the following problems in use:

[0004] The current welding fixture is mostly the structure of tightening by bolt transmission, realizes tightening by screw rod transmission to press clamp pincers, although it has firm clamping effect, but it needs to rotate screw rod every time to loosen and tighten, cannot quickly disassemble and assemble tool, and when same-specification large batch processing is carried out, processing efficiency is affected. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving at least one of the technical defects.

[0006] Therefore, one purpose of the utility model is to provide a kind of welding fixture for precision numerical control blade production and manufacture, to solve the problems mentioned in the background art, and overcome the deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, one embodiment of the utility model provides a kind of welding fixture for precision numerical control blade production and manufacture, including base, the center of one side of the top surface of the base is provided with guide strip-shaped hole, the center of the inner wall of the guide strip-shaped hole is rotatably connected with guide lever, the outer wall of the guide lever is slidably connected with sliding clamp pincers, the edge of one side of the top surface of the base is fixedly connected with fixed clamp pincers, the center of the bottom of one side surface of the sliding clamp pincers is rotatably connected with lead screw, the side close to the sliding clamp pincers of the lead screw is fixedly connected with rotating head, the center of one side of the top surface of the base away from the fixed clamp pincers is fixedly connected with guide plate, the inner wall of the guide plate is slidably connected with threaded sleeve, the threaded sleeve is threadedly connected with lead screw, the center of one end of the outer wall of the threaded sleeve is fixedly connected with first connecting lug, the edge of one side of the top surface of the base away from the fixed clamp pincers is fixedly connected with connecting hinge, the center of the top of the connecting hinge is rotatably connected with rotating handle, the bottom of one side of the outer wall of the rotating handle is fixedly connected with second connecting lug, the second connecting lug is vertically arranged with the rotating handle, one end of the second connecting lug is rotatably connected with connecting rod, the end away from the second connecting lug of the connecting rod is rotatably connected with first connecting lug.

[0008] Preferably, according to any one of the above solutions, a socket is arranged at the center of the side edge of the base away from the fixed clamp, a guide sliding hole is arranged in the middle of the rotating handle, a sliding block is slidingly connected to the inner wall of the guide sliding hole, two ends of the sliding block are fixedly connected to a sliding sleeve, the sliding sleeve is slidingly connected to the outer wall of the rotating handle, a fixed pin is fixedly connected to the center of the bottom surface of the sliding block, and the fixed pin penetrates the center of the bottom of the rotating handle.

[0009] The above solution achieves the technical effect that when the fixed pin is pulled out, it only needs to be pushed upward by holding the sliding sleeve when pushing the rotating handle, so that the fixed pin is pulled out of the socket, and the disassembly efficiency is improved.

[0010] Preferably, according to any one of the above solutions, the position of the fixed pin corresponds to the position of the socket, the diameter of the fixed pin is matched with the diameter of the inner wall of the socket, a push spring is fixedly connected to the center of the top of the sliding block, and the length of the push spring after reset is greater than the length of the guide sliding hole.

[0011] The above solution achieves the technical effect that the fixed pin is inserted into the socket by the push spring, so that the fixed pin is prevented from loosening and falling out, and the stability of the fixing is improved.

[0012] Preferably, according to any one of the above solutions, the bottom of the fixed pin is semispherical, the length of the fixed pin is less than the length of the guide sliding hole, and the length of the fixed pin penetrating the bottom of the rotating handle is greater than the distance between the bottom surface of the rotating handle and the top surface of the base.

[0013] The above solution achieves the technical effect that the fixed pin can be inserted into the socket downward to fix the rotating handle, and the semispherical fixed pin is convenient for guiding sliding and guiding the fixed pin into the socket.

[0014] Preferably, according to any one of the above solutions, the position of the sliding clamp corresponds to the position of the fixed clamp, the size of the sliding clamp is matched with the size of the fixed clamp, the two sides of the bottom surface of the sliding clamp are attached to the top surface of the base, and the side corresponding to the fixed clamp of the sliding clamp and the fixed clamp are fixedly connected with clamping soft pads.

[0015] The above solution achieves the technical effect that the clamping surface of the sliding clamp and the fixed clamp is softer by the clamping soft pads, the clamping effect is improved, and the tool is prevented from being damaged.

[0016] Preferably, according to any one of the above solutions, the depth of the inner wall of the threaded sleeve is matched with the length of the lead screw, and the length of the guide strip hole is matched with the distance between the first connecting lug and the fixed clamp.

[0017] The technical effects reached by the above scheme are that the maximum adjustment stroke of the threaded sleeve and the lead screw can be played, and the sliding of the sliding clamp between the first connecting lug and the fixed clamp will not interfere.

[0018] Compared with the prior art, the utility model has the advantages and beneficial effects that

[0019] 1、This precision numerical control blade production and manufacture welding fixture, through rotating handle, can through connecting rod drive sliding clamp to slide, realize clamping and loosening action, simultaneously through rotating screw drive sliding clamp to slide clamp tool, like this when replacing same batch tool, only need to rotate handle can realize clamping and loosening, do not need to rotate screw back and forth and adjust, convenient operation, improve dismounting efficiency.

[0020] 2、This precision numerical control blade production and manufacture welding fixture, after pushing rotating handle vertical, through connecting rod tight sliding clamp clamping, after pushing force spring pushes, make fixed bolt insert into insertion hole, realize the fixation of rotating handle, so that the clamping of sliding clamp realizes fixation, prevent accidental contact rotating handle and loosen, improved the firmness of clamping, and when loosening, only need to hold sliding sleeve and push up when pushing rotating handle, can make fixed bolt pull out insertion hole, realize loosening, will not have extra operation, improve dismounting efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the utility model;

[0022] Figure 2 It is a top view structural schematic view of the utility model;

[0023] Figure 3 It is a sectional structural schematic view of the utility model Figure 2 A-A.

[0024] In the drawing: 1-base, 2-fixed clamp, 3-guiding strip hole, 4-guiding lever, 5-sliding clamp, 6-screw, 7-rotary head, 8-guiding plate, 9-threaded sleeve, 10-first connecting lug, 11-connecting hinge, 12-rotating handle, 13-second connecting lug, 14-connecting rod, 15-sliding sleeve, 16-fixed bolt, 17-guiding sliding hole, 18-sliding block, 19-thrust spring, 20-insertion hole. DETAILED DESCRIPTION

[0025] The utility model will be further described below in combination with the drawings, but the protection scope of the utility model is not limited to the following.

[0026] Example one: as Figures 1 to 3As shown in the figure, a kind of welding fixture for precision numerical control blade production and manufacturing, it includes base 1, the center of the top surface of base 1 one side is equipped with guide strip-shaped hole 3, the center of the inner wall of guide strip-shaped hole 3 is rotatably connected with guide lever 4, the outer wall of guide lever 4 is slidably connected with sliding clamp 5, the edge of the top surface of base 1 one side is fixedly connected with fixed clamp 2, the center of the bottom of sliding clamp 5 one side surface is rotatably connected with lead screw 6, the side of lead screw 6 close to sliding clamp 5 is fixedly connected with rotary head 7, the center of the top surface of base 1 away from fixed clamp 2 one side is fixedly connected with guide plate 8, the inner wall of guide plate 8 is slidably connected with threaded sleeve 9, threaded sleeve 9 is threadedly connected with lead screw 6, the center of one end of the outer wall of threaded sleeve 9 is fixedly connected with first connecting lug 10, the edge of the top surface of base 1 away from fixed clamp 2 one side is fixedly connected with connecting hinge 11, the center of the top of connecting hinge 11 is rotatably connected with rotating handle 12, the bottom of one side of the outer wall of rotating handle 12 is fixedly connected with second connecting lug 13, second connecting lug 13 is vertically arranged with rotating handle 12, one end of second connecting lug 13 is rotatably connected with connecting rod 14, the end of connecting rod 14 away from second connecting lug 13 is rotatably connected with first connecting lug 10.

[0027] As an optional technical scheme of the utility model, the center of the edge of the side of base 1 away from fixed clamp 2 is equipped with jack 20, the middle of rotating handle 12 is equipped with guide sliding hole 17, the inner wall of guide sliding hole 17 is slidably connected with sliding block 18, the two ends of sliding block 18 are fixedly connected with sliding sleeve 15, sliding sleeve 15 is slidably connected with the outer wall of rotating handle 12, the center of the bottom surface of sliding block 18 is fixedly connected with fixed jack 16, fixed jack 16 penetrates the center of the bottom of rotating handle 12, when pulling fixed jack 16, only need to hold sliding sleeve 15 and push up when pushing rotating handle 12, can make fixed jack 16 pull out jack 20, realize loose, there is no extra operation, improve dismounting efficiency.

[0028] As an optional technical scheme of the utility model, the position of fixed jack 16 corresponds with the position of jack 20, the diameter of fixed jack 16 is adapted to the diameter of the inner wall of jack 20, the center of the top of sliding block 18 is fixedly connected with push spring 19, the length of push spring 19 after reset is greater than the length of guide sliding hole 17, by push spring 19 push fixed jack 16 and insert jack 20, can prevent loosening and falling out, improve the stability of fixation.

[0029] As an optional technical scheme of the utility model, the bottom of the fixed bolt 16 is hemispherical, the length of the fixed bolt 16 is less than the length of the guiding sliding hole 17, and the length of the fixed bolt 16 penetrating the bottom of the rotating handle 12 is greater than the distance between the bottom surface of the rotating handle 12 and the top surface of the base 1, so that the fixed bolt 16 can be inserted into the insertion hole 20 downward, the rotating handle 12 is fixed, and the hemispherical fixed bolt 16 is convenient to guide sliding and convenient to guide the fixed bolt 16 into the insertion hole 20.

[0030] As an optional technical scheme of the utility model, the position of the sliding clamp 5 corresponds to the position of the fixed clamp 2, the size of the sliding clamp 5 is matched with the size of the fixed clamp 2, the two sides of the bottom surface of the sliding clamp 5 are attached to the top surface of the base 1, and the side corresponding to the fixed clamp 2 of the sliding clamp 5 is fixedly connected with a clamping soft pad, so that the clamping surface of the sliding clamp 5 and the fixed clamp 2 is more soft through the clamping soft pad, the clamping effect is improved, and the tool is prevented from being damaged.

[0031] As an optional technical scheme of the utility model, the depth of the inner wall of the threaded sleeve 9 is matched with the length of the lead screw 6, and the length of the guiding strip-shaped hole 3 is matched with the distance between the first connecting lug 10 and the fixed clamp 2, so that the maximum adjustment stroke of the threaded sleeve 9 and the lead screw 6 can be exerted, and the sliding clamp 5 can slide between the first connecting lug 10 and the fixed clamp 2 without interference.

[0032] The working principle of the welding clamp for precise numerical control blade production and manufacturing is as follows:

[0033] 1) the rotating handle 12 is pushed vertically first, the sliding clamp 5 is driven to slide and clamp the fixed clamp 2 through the connecting rod 14;

[0034] 2) then the tool is placed between the sliding clamp 5 and the fixed clamp 2, and the sliding clamp 5 is driven to slide and clamp the tool by rotating the lead screw 6;

[0035] 3) after welding, the rotating handle 12 is only pushed to be inclined, the sliding clamp 5 can be pulled to be loosened, then the same batch of tools is placed again, and the tools can be replaced by pushing the rotating handle 12 vertically.

[0036] In summary, the welding fixture for precise numerical control blade production and manufacturing, through rotating the rotating handle 12, the sliding clamp 5 can be driven to slide through the connecting rod 14, realizing clamping and loosening actions, and at the same time, the sliding clamp 5 is driven to slide and clamp the tool through rotating the lead screw 6, so that when replacing tools of the same batch, only rotating the rotating handle 12 can realize clamping and loosening, without back and forth rotating the lead screw for adjustment, facilitating operation and improving dismounting efficiency, and after pushing the rotating handle 12 vertically, the sliding clamp 5 is clamped through the connecting rod 14, under the pushing of the pushing spring 19, the fixed pin 16 is inserted into the insertion hole 20, realizing fixation of the rotating handle 12, so that clamping of the sliding clamp 5 is fixed, preventing loosening caused by accidental collision with the rotating handle 12, improving the firmness of clamping, and when loosening, only holding the sliding sleeve 15 and pushing upward when pushing the rotating handle 12 can make the fixed pin 16 pulled out of the insertion hole 20, realizing loosening, without extra operation, improving dismounting efficiency.

[0037] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0038] It is not difficult for those skilled in the art to understand that the present application includes any combination of the parts shown in the utility model content and the specific embodiment part of the above description and the drawings, and due to the length and in order to make the specification brief, each scheme formed by these combinations is not described one by one. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

[0039] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and modifications to the above embodiments without departing from the principles and purposes of the present application within the scope of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A welding fixture for manufacturing precision CNC cutting tools, characterized in that: The utility model provides a kind of guiding plate, including base (1), the center of the top side of the base (1) is equipped with guide strip hole (3), the center of the inner wall of the guide strip hole (3) is rotatably connected with guide rod (4), the outer wall of the guide rod (4) is slidably connected with sliding clamp (5), the edge of the top side of the base (1) is fixedly connected with fixed clamp (2), the center of the bottom of the one side of the sliding clamp (5) is rotatably connected with lead screw (6), the one side of the lead screw (6) close to sliding clamp (5) is fixedly connected with rotating head (7), the center of the top side of the base (1) away from fixed clamp (2) is fixedly connected with guide plate (8), the inner wall of the guide plate (8) is slidably connected with threaded sleeve (9), the threaded sleeve (9) is threadedly connected with lead screw (6), the center of the one end of the outer wall of the threaded sleeve (9) is fixedly connected with first connecting lug (10), the edge of the top side of the base (1) away from fixed clamp (2) is fixedly connected with connecting hinge (11), the center of the top of the connecting hinge (11) is rotatably connected with rotating handle (12), the bottom of the one side of the outer wall of the rotating handle (12) is fixedly connected with second connecting lug (13), the second connecting lug (13) is vertically arranged with rotating handle (12), the one end of the second connecting lug (13) is rotatably connected with connecting rod (14), the one end of the connecting rod (14) away from second connecting lug (13) is rotatably connected with first connecting lug (10).

2. The welding fixture for precision CNC knife production according to claim 1, characterized in that: The center of the edge of the one side of the base (1) away from fixed clamp (2) is equipped with jack (20), the middle of the rotating handle (12) is equipped with guide sliding hole (17), the inner wall of the guide sliding hole (17) is slidably connected with sliding block (18), the both ends of the sliding block (18) are fixedly connected with sliding sleeve (15) in common, the outer wall of the sliding sleeve (15) is slidably connected with rotating handle (12), the center of the bottom of the sliding block (18) is fixedly connected with fixed jack (16), the fixed jack (16) passes through the center of the bottom of the rotating handle (12).

3. The welding fixture for precision CNC knife production according to claim 2, characterized in that: The position of the fixed jack (16) corresponds to the position of jack (20), the diameter of the fixed jack (16) is adapted to the diameter of the inner wall of jack (20), the center of the top of the sliding block (18) is fixedly connected with push spring (19), the length of the push spring (19) after reset is greater than the length of guide sliding hole (17).

4. The welding fixture for precision CNC tool bit production and manufacturing according to claim 3, characterized in that: The bottom of the fixed jack (16) is hemispherical, the length of the fixed jack (16) is less than the length of guide sliding hole (17), the length of the fixed jack (16) passing through the bottom of the rotating handle (12) is greater than the interval between the bottom of the rotating handle (12) and the top of the base (1).

5. The welding fixture for manufacturing precision CNC tool bits according to claim 4, characterized in that: The position of the sliding clamp (5) corresponds to the position of fixed clamp (2), the size of the sliding clamp (5) is adapted to the size of fixed clamp (2), the top of the sliding clamp (5) is attached to the top of the base (1), the one side of the sliding clamp (5) corresponding to fixed clamp (2) is fixedly connected with clamping soft pad.

6. The welding fixture for precision CNC tool bit production according to claim 5, characterized in that: The depth of the inner wall of the threaded sleeve (9) is adapted to the length of the screw rod (6) and the length of the guiding slot (3) is adapted to the distance between the first connecting lug (10) and the stationary jaw (2).

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