Die cutter for metal cutting

Abstract

The utility model discloses a threading die tool for metal cutting in the technical field of threading die tools, which comprises a threading die seat, a plurality of chip removal holes which are through up and down and are circumferentially arranged around the central axis of the threading die seat at equal intervals are arranged in the threading die seat, and an accommodating cavity which is through up and down is arranged between every two adjacent groups of chip removal holes in the threading die seat. A containing cavity is formed in the inner ring of the threading die base, a push-pull assembly is installed in the containing cavity in a sliding mode, cutting teeth are detachably installed at the end, extending to the inner ring of the threading die base, of the push-pull assembly, and the push-pull assembly comprises a push-pull plate installed in the containing cavity in a sliding mode. The problems that in the prior art, the use flexibility is low, machining teeth used for cutting are prone to being abraded after being used for a long time, the machining teeth cannot be replaced independently, the whole threading die tool needs to be abandoned, the machining cost is increased, and people cannot use the threading die tool easily are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of die tools, in particular to a die tool for metal cutting. Background Art

[0002] A tapping die is a thread processing tool used to process or modify external threads. Generally, a tapping die directly taps the threads on the screw being processed when processing external threads. This method of processing external threads is simple.

[0003] Existing die tools are often only capable of processing parts of a single size, and have low flexibility in use. The processing teeth used for cutting are prone to wear after long-term use, and the processing teeth cannot be replaced individually, so the entire die tool needs to be abandoned, increasing processing costs and being inconvenient for people to use. Therefore, those skilled in the art provide a die tool for metal cutting to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a die tool for metal cutting to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a die tool for metal cutting, comprising a die seat, the interior of the die seat is provided with a plurality of chip removal holes which penetrate vertically and are arranged equidistantly in a circle around its axis, and between two adjacent groups of chip removal holes in the die seat, a receiving cavity which penetrates vertically is provided, a push-pull assembly is slidably installed inside the receiving cavity, and the push-pull assembly extends to the end of the inner ring of the die seat and is detachably provided with cutting teeth.

[0006] Preferably: the push-pull assembly includes a push-pull plate slidably installed inside the accommodating cavity, one side of the push-pull plate is connected to a push-pull rod slidably installed inside the die seat, one end of the push-pull rod extends to the inside of the die seat and is detachably connected to the cutting tooth, and the other side of the push-pull plate is connected to an adjustment assembly for controlling its fixed position.

[0007] Preferably, one side of the push-pull plate is connected with two groups of push-pull rods slidably mounted inside the die seat, and the two groups of push-pull rods are arranged up and down.

[0008] Preferably, the adjustment assembly comprises a threaded tube welded to the outer ring of the die seat, the internal threads of the threaded tube are connected with an adjustment screw, and one end of the adjustment screw is rotatably connected to the side of the push-pull plate.

[0009] Preferably, a hexagonal rotating block is installed at the other end of the adjusting screw.

[0010] Preferably, a connecting plate is installed at the end of the push-pull rod, and two groups of long bolts are passed through the interior of the cutting teeth from top to bottom to lock them on the connecting plate.

[0011] Preferably, the outer ring of the die seat is provided with two groups of connecting seats which are centrally symmetrical around the central axis.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, an adjusting screw is provided to drive the push-pull plate to slide inside the accommodating cavity, and the push-pull plate drives the push-pull rod and the cutting teeth to move. Multiple groups of cutting teeth are moved to different circular lines, which can facilitate the processing of components of different sizes and improve the flexibility of the die tool.

[0014] 2. In the utility model, a connecting plate is installed at the end of the push-pull rod, and the cutting teeth are fixed to the connecting plate by long bolts, so that the cutting teeth with severe wear can be easily replaced separately, thereby saving the cost of metal cutting processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a bottom view of the overall structure of the utility model;

[0017] Figure 3 It is a cross-sectional view of the overall structure of the utility model.

[0018] In the figure: 1. die seat; 2. chip removal hole; 3. accommodating cavity; 4. cutting teeth; 5. push-pull plate; 6. push-pull rod; 7. threaded tube; 8. adjusting screw; 9. hexagonal turn block; 10. connecting plate; 11. long bolt; 12. connecting seat. 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] See also Figure 1 to Figure 3In an embodiment of the utility model, a die tool for metal cutting includes a die seat 1, a plurality of chip removal holes 2 are provided inside the die seat 1, which are vertically penetrated and equidistantly arranged around the central axis thereof, and a receiving cavity 3 which is vertically penetrated is provided between two adjacent groups of chip removal holes 2 in the die seat 1, a push-pull assembly is slidably installed inside the receiving cavity 3, and a cutting tooth 4 is detachably installed on the end of the push-pull assembly extending to the inner circle of the die seat 1.

[0021] During use, the staff can use the push-pull assembly to adjust the position of the cutting teeth 4 on the inner circle of the die seat 1. Multiple groups of cutting teeth 4 can be moved to the same circumference. Multiple groups of cutting teeth 4 can be used to cut thread grooves on the outer circle of the parts to be processed. The chip removal holes 2 can facilitate the transfer of debris generated by cutting, and the cutting teeth 4 are detachably connected to the push-pull assembly, so that the cutting teeth 4 can be easily replaced individually.

[0022] In one embodiment, specifically, the push-pull assembly includes a push-pull plate 5 slidably installed inside the accommodating cavity 3, one side of the push-pull plate 5 is connected to a push-pull rod 6 slidably installed inside the die seat 1, one end of the push-pull rod 6 extends to the inside of the die seat 1 and is detachably connected to the cutting tooth 4, and the other side of the push-pull plate 5 is connected to an adjustment assembly for controlling its fixed position, wherein the adjustment assembly includes a threaded tube 7 welded to the outer ring of the die seat 1, the internal thread of the threaded tube 7 is connected to an adjusting screw 8, and one end of the adjusting screw 8 is rotatably connected to the side of the push-pull plate 5.

[0023] The operator rotates the adjusting screw 8, and the adjusting screw 8 drives the push-pull plate 5 to slide inside the accommodating cavity 3. The push-pull plate 5 drives the push-pull rod 6 to move, and the push-pull rod 6 can drive the cutting tooth 4 to move. Furthermore, one side of the push-pull plate 5 is connected to two groups of push-pull rods 6 slidably installed inside the die seat 1. The two groups of push-pull rods 6 are arranged up and down, which can improve the stability of the movement of the cutting tooth 4. The other end of the adjusting screw 8 is installed with a hexagonal turning block 9, which can facilitate the operator to use tools to rotate the adjusting screw 8.

[0024] In one embodiment, a connecting plate 10 is installed at the end of the push-pull rod 6, and two groups of long bolts 11 are passed through the interior of the cutting tooth 4 from top to bottom to lock it on the connecting plate 10. After the cutting tooth 4 is snapped to the outside of the connecting plate 10, the long bolts 11 are used to lock the two together. The cutting tooth 4 can be replaced by removing the long bolts 11. The outer ring of the die seat 1 is provided with two groups of connecting seats 12 that are centrally symmetrical around the central axis, which can facilitate the connection between the die seat 1 and the metal cutting drive equipment.

[0025] The above description 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 die tool for metal cutting, comprising a die seat (1), characterized in that: The die seat (1) is provided with a plurality of chip removal holes (2) which are vertically through-through and equidistantly arranged in a circle around its axis. A receiving cavity (3) which is vertically through-through is provided between two adjacent groups of chip removal holes (2) in the die seat (1). A push-pull assembly is slidably installed in the receiving cavity (3). The push-pull assembly extends to the end of the inner circle of the die seat (1) and is detachably provided with cutting teeth (4).

2. A die tool for metal cutting according to claim 1, characterized in that: The push-pull assembly comprises a push-pull plate (5) slidably mounted inside the accommodating cavity (3); one side of the push-pull plate (5) is connected to a push-pull rod (6) slidably mounted inside the die seat (1); one end of the push-pull rod (6) extending to the inside of the die seat (1) is detachably connected to the cutting tooth (4); the other side of the push-pull plate (5) is connected to an adjustment assembly for controlling its fixed position.

3. A die tool for metal cutting according to claim 2, characterized in that: One side of the push-pull plate (5) is connected to two groups of push-pull rods (6) slidably mounted inside the die seat (1), and the two groups of push-pull rods (6) are arranged up and down.

4. A die tool for metal cutting according to claim 3, characterized in that: The adjustment assembly comprises a threaded tube (7) welded to the outer ring of the die seat (1), the internal thread of the threaded tube (7) is connected to an adjustment screw (8), and one end of the adjustment screw (8) is rotatably connected to the side of the push-pull plate (5).

5. A die tool for metal cutting according to claim 4, characterized in that: A hexagonal rotating block (9) is installed at the other end of the adjusting screw (8).

6. A die tool for metal cutting according to claim 4, characterized in that: A connecting plate (10) is installed at the end of the push-pull rod (6), and two groups of long bolts (11) are passed through the interior of the cutting tooth (4) from top to bottom to lock it on the connecting plate (10).

7. A die tool for metal cutting according to claim 1, characterized in that: The outer ring of the die seat (1) is provided with two groups of connecting seats (12) which are centrally symmetrical around the central axis.

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