Linear cutting clamp for mold manufacturing

Abstract

The utility model discloses a wire cutting clamp for mould manufacturing, which comprises a clamp clamping seat, a clamping mechanism, an adjusting back plate and a clamping base, the clamping mechanism is arranged in the clamp clamping seat, the adjusting back plate is in threaded connection with the side of the clamp clamping seat, and the clamping base is in threaded connection with the lower part of the adjusting back plate; the clamping mechanism comprises a clamping adjusting screw rod, a main connecting seat is rotationally connected to the lower portion of the clamping adjusting screw rod, a middle connecting seat is hinged to the lower portion of the main connecting seat, and a small connecting seat is hinged to the lower portion of the middle connecting seat; the clamping adjusting screw rod is rotated to be screwed into the clamping adjusting screw hole, the four sets of clamping rods are ejected out to press and clamp a die workpiece, at the moment, when the surface of the die workpiece is irregular, the main connecting base, the middle connecting base, the small connecting base and the cambered surface ejecting block can rotate by different angles, and the die workpiece can be clamped. And finally, the four sets of clamping rods stretch out by different lengths through ejection of the cambered-surface ejection blocks so as to be matched and attached to the irregular-surface mold workpiece for clamping, and therefore clamping is firmer.

Description

Technical Field

[0001] The utility model relates to the technical field of fixture equipment, in particular to a wire cutting fixture used for mold manufacturing. Background Art

[0002] A mold is a tool or equipment used to produce and mold a specific product. It is commonly used in various processing techniques, such as injection molding, compression molding, blow molding and casting. These various molds need to be manufactured, and they need to be cut and processed by a wire cutting device during the manufacturing process. This requires the mold to be clamped and fixed by a fixture. However, the existing wire cutting fixtures used for mold manufacturing cannot fit and clamp molds with irregular surfaces when used. They are usually clamped by a bracket, which may cause the clamping to be not stable enough. Utility Model Content

[0003] The purpose of the utility model is to provide a wire cutting fixture for mold manufacturing in order to solve the problem that the existing wire cutting fixture for mold manufacturing cannot fit and clamp molds with irregular surfaces when in use, and usually clamps by pressing and clamping through a bracket, which may result in insufficient clamping.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wire cutting fixture for mold manufacturing, comprising: a fixture clamping seat, a clamping mechanism, an adjusting back plate and a clamping base, the clamping mechanism is arranged inside the fixture clamping seat, the adjusting back plate is screwed on the side of the fixture clamping seat, and the clamping base is screwed on the bottom of the adjusting back plate; the clamping mechanism includes a clamping adjustment screw, a main connecting seat is connected to the bottom of the clamping adjustment screw, a middle connecting seat is hinged below the main connecting seat, a small connecting seat is hinged below the middle connecting seat, an arc top block is hinged below the small connecting seat, an arc top rod is movably connected below the arc top block, an annular baffle is fixedly connected below the arc top rod, a clamping rod is fixedly connected to the middle part below the annular baffle, and a buffer elastic member is fixedly connected to the outer side below the annular baffle.

[0005] As a further solution of the utility model: the clamp clamping seat includes a clamping seat shell, a clamping adjustment screw hole is opened in the upper middle portion of the clamping seat shell, a translation adjustment screw is transferred to the middle portion of one end of the clamping seat shell, and translation limit guide rods are fixedly connected to both sides of one end of the clamping seat shell. A clamping mechanism active cavity is opened at the upper part of the clamping seat shell, a clamping rod hole groove is opened at the lower part of the clamping seat shell, a clamping rod extension hole is opened below the clamping rod hole groove, and the clamping adjustment screw is located in the clamping adjustment screw hole and is threadedly connected thereto. The main connecting seat, the middle connecting seat, the small connecting seat, the arc top block and the arc top rod are arranged inside the active cavity of the clamping mechanism, and the arc top rod, the annular baffle, the clamping rod and the buffer elastic member can be moved inside the clamping rod hole groove, and the clamping rod passes through the clamping rod extension hole and is adapted to its specification and size.

[0006] As a further solution of the utility model: the adjustable back plate includes a back plate body, a translation adjustment screw hole is opened in the middle of the upper part of the back plate body, translation guide through holes are opened on both sides of the upper part of the back plate body, a base lifting screw is connected to the middle of the lower part of the back plate body, and lifting guide rods are fixedly connected to both sides of the lower part of the back plate body.

[0007] As a further solution of the utility model: the clamping base includes a base body, a lifting adjustment screw hole is opened in the middle of one side of the base body, and lifting guide through holes are opened at both ends of one side of the base body.

[0008] As a further solution of the utility model: the small connecting seats are arranged in two groups, the arcuate top blocks, arcuate top rods, annular baffles, clamping rods and buffer elastic parts are arranged in four groups, every two groups of the arcuate top blocks are adapted to be hingedly connected to one group of small connecting seats, and the lower arc surface of the arcuate top blocks are adapted to fit the upper arc surface of the arcuate top rods.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] In the utility model, the clamping adjustment screw is rotated and screwed into the clamping adjustment screw hole, and four groups of clamping rods are ejected to press and clamp the mold workpiece. At this time, when the surface of the mold workpiece is irregular, the main connecting seat, the middle connecting seat, the small connecting seat and the arc surface top block will rotate at different angles. Finally, the arc surface top block is ejected to make the four groups of clamping rods extend to different lengths so as to adapt to the mold workpiece with irregular surface for clamping, so that the clamping is more firm.

[0011] The utility model can adjust the distance between the clamp holding seat and the adjustment back plate by rotating the translation adjustment screw to adjust its screw connection position on the translation adjustment screw hole, and then rotate the base lifting screw to adjust its screw connection position in the lifting adjustment screw hole, so as to adjust the distance between the clamp holding seat and the clamping base, so that it can be flexibly adjusted and adapted for use with mold workpieces of different specifications and sizes to be cut. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of a wire cutting fixture for mold manufacturing described in the utility model;

[0013] Figure 2 It is a structural schematic diagram of a clamping mechanism in a wire cutting fixture for mold manufacturing described in the utility model;

[0014] Figure 3 It is a structural schematic diagram of a clamp holding seat in a wire cutting clamp used for mold manufacturing according to the utility model;

[0015] Figure 4 It is a schematic diagram of the cross-sectional internal structure of a clamping seat shell in a wire cutting fixture for mold manufacturing described in the utility model;

[0016] Figure 5 It is a structural schematic diagram of an adjustable back plate in a wire cutting fixture for mold manufacturing described in the utility model;

[0017] Figure 6 It is a structural schematic diagram of a clamping base in a wire cutting fixture for mold manufacturing described in the utility model.

[0018] In the figure: 1. Clamping seat of the clamp; 2. Clamping mechanism; 3. Adjusting back plate; 4. Clamping base; 5. Clamping adjustment screw; 6. Main connecting seat; 7. Middle connecting seat; 8. Small connecting seat; 9. Arc top block; 10. Arc top rod; 11. Annular baffle; 12. Clamping rod; 13. Buffer elastic member; 14. Clamping seat shell; 15. Clamping adjustment screw hole; 16. Translation adjustment screw; 17. Translation limit guide rod; 18. Clamping mechanism active cavity; 19. Clamping rod hole groove; 20. Clamping rod extension hole; 21. Back plate body; 22. Translation adjustment screw hole; 23. Translation guide through hole; 24. Base lifting screw; 25. Lifting guide rod; 26. Base body; 27. Lifting adjustment screw hole; 28. Lifting guide through hole. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.

[0021] Reference Figure 1 and Figure 2In the embodiment of the utility model, a wire cutting fixture for mold manufacturing includes: a fixture clamping seat 1, a clamping mechanism 2, an adjustment back plate 3 and a clamping base 4, the clamping mechanism 2 is arranged inside the fixture clamping seat 1, the adjustment back plate 3 is screwed on the side of the fixture clamping seat 1, and the clamping base 4 is screwed on the bottom of the adjustment back plate 3; the clamping mechanism 2 includes a clamping adjustment screw 5, a main connecting seat 6 is transferred below the clamping adjustment screw 5, a middle connecting seat 7 is hinged below the main connecting seat 6, a small connecting seat 8 is hinged below the middle connecting seat 7, an arc top block 9 is hinged below the small connecting seat 8, an arc top rod 10 is movably connected below the arc top block 9, an annular baffle 11 is fixedly connected below the arc top rod 10, a clamping rod 12 is fixedly connected to the middle part below the annular baffle 11, and an annular baffle 11 is fixedly connected to the clamping rod 12. A buffer elastic member 13 is fixedly connected to the outer side below the baffle 11, and two groups of small connecting seats 8 are provided. There are four groups of arc top blocks 9, arc top rods 10, annular baffles 11, clamping rods 12 and buffer elastic members 13. Every two groups of arc top blocks 9 are adapted to hinge a group of small connecting seats 8, and the lower arc surface of the arc top block 9 is adapted to fit the upper arc surface of the arc top rod 10. By rotating the clamping adjustment screw 5, four groups of clamping rods 12 are ejected to press and clamp the mold workpiece. At this time, when the surface of the mold workpiece is irregular, the main connecting seat 6, the middle connecting seat 7, the small connecting seat 8 and the arc top block 9 will rotate at different angles. Finally, the arc top block 9 is ejected to make the four groups of clamping rods 12 extend to different lengths so as to adapt to and fit the irregular surface of the mold workpiece for clamping, so that the clamping is more firm.

[0022] Reference Figure 3 and Figure 4 The clamping seat 1 includes a clamping seat shell 14, a clamping adjustment screw hole 15 is opened in the middle of the upper part of the clamping seat shell 14, a translation adjustment screw 16 is transferred to the middle of one end of the clamping seat shell 14, and translation limit guide rods 17 are fixed on both sides of one end of the clamping seat shell 14. A clamping mechanism activity cavity 18 is opened at the upper part of the clamping seat shell 14, a clamping rod hole groove 19 is opened at the lower part of the clamping seat shell 14, and a clamping rod extension hole 20 is opened below the clamping rod hole groove 19. The clamping adjustment screw 5 is located inside the clamping adjustment screw hole 15 and is adapted to Screwed connection, the main connecting seat 6, the middle connecting seat 7, the small connecting seat 8, the arc top block 9 and the arc top rod 10 are arranged inside the active cavity 18 of the clamping mechanism, the arc top rod 10, the annular baffle 11, the clamping rod 12 and the buffer elastic member 13 can be movable inside the clamping rod hole groove 19, the clamping rod 12 passes through the clamping rod extension hole 20 and is adapted to its size, and the distance between the clamp clamping seat 1 and the adjustment back plate 3 can be adjusted by rotating the translation adjustment screw 16 to adjust its screwed position on the translation adjustment screw hole 22, and the left and right distance can be flexibly adjusted.

[0023] Reference Figure 5The adjustment back plate 3 includes a back plate body 21, a translation adjustment screw hole 22 is opened in the middle of the upper part of the back plate body 21, translation guide through holes 23 are opened on both sides of the upper part of the back plate body 21, a base lifting screw 24 is transferred to the middle of the lower part of the back plate body 21, and lifting guide rods 25 are fixedly connected to both sides of the lower part of the back plate body 21. By rotating the base lifting screw 24 to adjust its screwed position in the lifting adjustment screw hole 27, the distance between the clamp clamping seat 1 and the clamping base 4 can be adjusted, and the upper and lower distances can be flexibly adjusted.

[0024] Reference Figure 6 The clamping base 4 includes a base body 26 , a lifting adjustment screw hole 27 is opened in the middle of one side of the base body 26 , and lifting guide through holes 28 are opened at both ends of one side of the base body 26 .

[0025] The working principle of the utility model is as follows: when in use, firstly, according to the size of the mold workpiece, by rotating the translation adjustment screw 16 to adjust the screw connection position located on the translation adjustment screw hole 22, the distance between the clamp clamping seat 1 and the adjustment back plate 3 can be adjusted, and then the base lifting screw 24 is rotated to adjust the screw connection position located in the lifting adjustment screw hole 27, so as to adjust the distance between the clamp clamping seat 1 and the clamping base 4, so that it can be flexibly adjusted and adapted for mold workpieces of different sizes to be cut, and then the mold workpiece to be processed is placed on the clamping base 4 On the top, by rotating the clamping adjustment screw 5 and screwing it into the clamping adjustment screw hole 15, four groups of clamping rods 12 are ejected to press and clamp the mold workpiece. At this time, when the surface of the mold workpiece is irregular, the main connecting seat 6, the middle connecting seat 7, the small connecting seat 8 and the arc top block 9 will rotate at different angles. Finally, the arc top block 9 is ejected to make the four groups of clamping rods 12 extend to different lengths so as to adapt to the irregular surface of the mold workpiece for clamping. In this way, the clamping is more firm. During wire cutting, two groups of clamping equipment can be selected to clamp both ends of the mold workpiece at the same time to perform wire cutting.

[0026] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A wire cutting fixture for mold manufacturing, characterized in that: include: A clamping seat (1), a clamping mechanism (2), an adjustment back plate (3) and a clamping base (4), wherein the clamping mechanism (2) is arranged inside the clamping seat (1), the adjustment back plate (3) is screwed to the side of the clamping seat (1), and the clamping base (4) is screwed to the bottom of the adjustment back plate (3); The clamping mechanism (2) comprises a clamping adjustment screw (5), a main connecting seat (6) is connected to the lower part of the clamping adjustment screw (5), a middle connecting seat (7) is hinged to the lower part of the main connecting seat (6), a small connecting seat (8) is hinged to the lower part of the middle connecting seat (7), a curved top block (9) is hinged to the lower part of the small connecting seat (8), a curved top rod (10) is movably connected to the lower part of the curved top block (9), an annular baffle (11) is fixedly connected to the lower part of the curved top rod (10), a clamping rod (12) is fixedly connected to the middle part of the lower part of the annular baffle (11), and a buffer elastic member (13) is fixedly connected to the outer side of the lower part of the annular baffle (11).

2. A wire cutting fixture for mold manufacturing according to claim 1, characterized in that: The clamping seat (1) comprises a clamping seat shell (14), a clamping adjustment screw hole (15) is provided in the middle of the upper part of the clamping seat shell (14), a translation adjustment screw rod (16) is connected to the middle of one end of the clamping seat shell (14), and translation limit guide rods (17) are fixedly connected to both sides of one end of the clamping seat shell (14), a clamping mechanism activity cavity (18) is provided in the upper part of the clamping seat shell (14), a clamping rod hole groove (19) is provided in the lower part of the clamping seat shell (14), and a clamping rod hole groove (19) is provided below the clamping rod hole groove (19). The rod extends out of the hole (20), the clamping adjustment screw (5) is located inside the clamping adjustment screw hole (15) and is threadedly connected thereto; the main connecting seat (6), the middle connecting seat (7), the small connecting seat (8), the cambered top block (9) and the cambered top rod (10) are arranged inside the movable cavity (18) of the clamping mechanism; the cambered top rod (10), the annular baffle (11), the clamping rod (12) and the buffer elastic member (13) can be movable inside the clamping rod hole groove (19); the clamping rod (12) passes through the clamping rod extending hole (20) and is adapted to its size.

3. The wire cutting fixture for mold manufacturing according to claim 1, characterized in that: The adjustable back plate (3) comprises a back plate body (21), a translation adjustment screw hole (22) is provided in the middle of the upper part of the back plate body (21), translation guide through holes (23) are provided on both sides of the upper part of the back plate body (21), a base lifting screw rod (24) is connected to the middle of the lower part of the back plate body (21), and lifting guide rods (25) are fixedly connected to both sides of the lower part of the back plate body (21).

4. The wire cutting fixture for mold manufacturing according to claim 1, characterized in that: The clamping base (4) comprises a base body (26), a lifting adjustment screw hole (27) is provided in the middle of one side of the base body (26), and lifting guide through holes (28) are provided at both ends of one side of the base body (26).

5. The wire cutting fixture for mold manufacturing according to claim 1, characterized in that: The small connecting seats (8) are provided in two groups, and the arc-surface top blocks (9), the arc-surface top rods (10), the annular baffles (11), the clamping rods (12) and the buffer elastic members (13) are provided in four groups. Every two groups of the arc-surface top blocks (9) are adapted to be hingedly connected to one group of the small connecting seats (8), and the lower arc surface of the arc-surface top blocks (9) is adapted to fit the upper arc surface of the arc-surface top rods (10).

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