Hole opening device for hard alloy original growth strip

Abstract

The utility model discloses a hard alloy original growth strip trepanning device, including base, top plate, upper die core subassembly and lower die core subassembly, the middle part of base top is fixedly equipped with lower die core subassembly, the both sides of base top are fixedly connected with the guide post, and the top plate is movably connected through the guide post, the top plate is equipped with the upper die core subassembly and the lower die core subassembly. An upper mold core assembly is fixedly installed at the position, opposite to the lower mold core assembly, of the bottom of the top plate, a connecting column is fixedly connected to the top of the top plate, a rotating opening is formed in the top of the connecting column, a rotating rod is rotationally connected into the rotating opening, and the rotating rod penetrates through the top plate to move in the upper mold core assembly. By combining the structural design of the utility model and designing the tapping device, the tapping device has the characteristics of simple design structure, low cost, better use performance and high working efficiency, so as to meet the tapping requirements of large-batch hard alloy original growth strips.

Description

TECHNICAL FIELD

[0001] The utility model relates to hard alloy production equipment technical field, concretely is a kind of hard alloy original growth strip's trepanning device. BACKGROUND

[0002] Hard alloy is the hard compound of refractory metal and binder metal by powder metallurgy process and is made of an alloy material. Hard alloy has a series of excellent properties such as high hardness, wear resistance, strength and toughness, heat resistance, corrosion resistance, etc. In particular, its high hardness and wear resistance remain basically unchanged even at a temperature of 500 DEG C, and it still has very high hardness at 1000 DEG C. Hard alloy long strip, also known as tungsten steel round bar, is a new technology and new material, mainly used for metal cutting tool manufacturing, wood, plastic required hardness and wear resistance corrosion resistance product manufacturing industry, etc.

[0003] However, due to the high hardness of the hard alloy original growth strip, in order to solve its own installation stability, manufacturers usually open holes on the surface of the hard alloy original growth strip before leaving the factory, so as to reduce the consumption of materials removed due to hole opening. However, the existing hole opening device has poor performance and low efficiency, and cannot meet the hole opening demand of large quantities of hard alloy original growth strips. SUMMARY

[0004] The utility model aims at providing a kind of hard alloy original growth strip's trepanning device, to solve the above-mentioned background art due to the high hardness of the hard alloy original growth strip, in order to solve its own installation stability, manufacturers usually open holes on the surface of the hard alloy original growth strip before leaving the factory, so as to reduce the consumption of materials removed due to hole opening. However, the existing hole opening device has poor performance and low efficiency, and cannot meet the hole opening demand of large quantities of hard alloy original growth strips.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of hard alloy original growth strip's trepanning device, including base, top plate, upper die core subassembly and lower die core subassembly, the lower die core subassembly is fixedly installed in the middle part of base top, the guide column is fixedly connected in the both sides of base top, and top plate is movably connected by the guide column, the upper die core subassembly is fixedly installed in the opposite position of lower die core subassembly in the bottom of top plate, the connecting column is fixedly connected in the top of top plate, the rotating mouth is opened in the top of connecting column, the rotating rod is rotatably connected in the rotating mouth, and the rotating rod passes through top plate and moves in the upper die core subassembly.

[0006] Preferably, the lower mold core assembly comprises a bottom plate, a lower mold core block, a spring, a guide rod and a pressure plate, the bottom plate is fixedly installed on the top surface of the base, the middle of the surface of the bottom plate is fixedly installed with the lower mold core block, the guide rods are fixedly connected to the surface of the bottom plate on both sides of the lower mold core block, and the pressure plate is movably connected through the guide rods, and the spring is located between the bottom plate and the pressure plate, and the two ends of the spring are connected with the bottom plate and the pressure plate respectively.

[0007] Preferably, the middle of the surface of the pressure plate is provided with a movable opening, and the lower mold core block is movably connected in the movable opening.

[0008] Preferably, the upper mold core assembly comprises a fixed plate and an upper mold core block, the fixed plate is fixedly connected to the bottom surface of the top plate, the surface of the fixed plate is provided with a mounting position at a position opposite to the lower mold core block, and the upper mold core block is mounted in the mounting position.

[0009] Preferably, the surface of the fixed plate is provided with a fastening hole at a position opposite to the mounting position, and the surface of the upper mold core block is provided with a rotating cavity.

[0010] Preferably, the bottom of the rotating rod is movably arranged in the rotating cavity. Beneficial effects

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] According to the structure design of the utility model, the above-mentioned hole opening device is designed, which has the advantages of simple structure, low cost, good use performance and high working efficiency, so as to meet the hole opening requirements of large quantities of hard alloy raw growth strips. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a whole structure schematic view of the utility model;

[0014] Fig. 2 It is a lower mold core assembly structure schematic view of the utility model;

[0015] Fig. 3 It is an upper mold core assembly structure schematic view of the utility model.

[0016] The corresponding relationship between the annotations of the drawings and the component names in the drawings is as follows:

[0017] 1. base; 2. top plate; 3. guide column; 4. lower mold core assembly; 5. upper mold core assembly; 6. connecting column;

[0018] 7. rotating rod; 41. bottom plate; 42. pressure plate; 43. lower mold core block; 44. guide rod; 45. spring;

[0019] 51. Fixed plate; 52. Upper mold core block; 53. Rotation cavity; 61. Rotation port;

[0020] 511. Mounting position; 512. Fastening hole. DETAILED DESCRIPTION

[0021] The technical solutions of the present application will be described below in conjunction with the embodiments, obviously, the described embodiments are 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 labor belong to the scope of protection of the present application.

[0022] In the description of the present application, it should be pointed out that the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "vertical", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it is not understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] As Figs. 1-3 It is a structure schematic view of a hole opening device for hard alloy original growth strip, in this embodiment, a hole opening device for hard alloy original growth strip, including base 1, top plate 2, upper mold core assembly 5 and lower mold core assembly 4, lower mold core assembly 4 is fixedly installed on the top middle part of base 1, guide column 3 is fixedly connected on both sides of the top of base 1, and top plate 2 is movably connected through guide column 3, upper mold core assembly 5 is fixedly installed on the bottom of top plate 2 at the opposite position of lower mold core assembly 4, connecting column 6 is fixedly connected on the top of top plate 2, and the stamping equipment is connected through connecting column 6, the stamping equipment drives top plate 2 downward each time, upper mold core assembly 5 realizes opposite working with lower mold core assembly 4 along with top plate 2, and rotating port 61 is opened on the top of connecting column 6, rotating rod 7 is rotatably connected in rotating port 61, rotating rod 7 is connected with rotating device in the stamping equipment through rotating rod 7, rotating rod 7 realizes rotating function through rotating device, and rotating rod 7 passes through top plate 2 and moves in upper mold core assembly 5; combined with the structure design of the present application, the above hole opening device is designed, which has simple design structure, low cost, good use performance, and high working efficiency, so as to meet the hole opening demand of large quantities of hard alloy original growth strips.

[0024] In the embodiment, the lower mold core assembly 4 comprises a bottom plate 41, a lower mold core block 43, a spring 45, a guide rod 44 and a pressure plate 42, the bottom plate 41 is fixedly installed on the top surface of the base 1, the lower mold core block 43 is fixedly installed on the middle surface of the bottom plate 41, the guide rods 44 are fixedly connected on both sides of the lower mold core block 43 on the surface of the bottom plate 41, and the pressure plate 42 is movably connected through the guide rods 44, after the pressure plate 42 is pressed downward by the fixed plate 51 in the upper mold core assembly 5, the pressure plate 42 slides on the guide rod 43, at the same time, the spring 45 is located between the bottom plate 41 and the pressure plate 42, and the both ends of the spring 45 are connected with the bottom plate 41 and the pressure plate 42 respectively, the structure design plays a pre-pressing function, and the compression stroke of the spring 45 is the pre-pressing stroke, after the pre-pressing stroke is reached, the function of fixing the hole of the hard alloy original growth strip is realized, and the situation of separation in the hole forming process is avoided.

[0025] In the embodiment, the middle part of the surface of the pressure plate 42 is provided with a movable opening 421, and the lower mold core block 43 is movably connected in the movable opening 421, the structure design plays the role of avoiding after the pressure plate 42 is pressed downward by the fixed plate 51, the surface of the lower mold core block 43 is provided with a chip removal opening 431, which plays the function of chip removal in the hole forming process, and also can avoid the situation that the hole formed by the drill exceeds the surface of the lower mold core block 43.

[0026] In the embodiment, the upper mold core assembly 5 comprises a fixed plate 51 and an upper mold core block 52, the fixed plate 51 is fixedly connected on the bottom surface of the top plate 2, the installation position 511 is formed on the surface of the fixed plate 51 at the position opposite to the lower mold core block 43, the upper mold core block 52 is installed in the installation position 511, and the fastening hole 512 is formed on the surface of the fixed plate 51 at the position opposite to the installation position 511, the upper mold core block 52 in the installation position 511 is fixed through the fastening member screw-connected in the fastening hole 512, at the same time, the advantage of the design is that a plurality of upper mold core blocks 52 can be replaced, and the adaptability is better, the rotating cavity 53 is formed on the surface of the upper mold core block 52, the bottom part of the rotating rod 7 is movably arranged in the rotating cavity 53, the drill is connected to the bottom part of the rotating rod 7, and the hole forming work is realized by rotating the rotating rod 7 to drive the drill.

[0027] Working principle

[0028] In specific use, the stamping equipment is driven downward to drive the top plate 2 to displace downward, so that the upper mold core assembly 5 moves to the direction of the lower mold core assembly 4, the fixed plate 51 is moved downward to press the pressure plate 42, so that the pressure plate 42 displaces downward along with the guide rod 44 and presses the spring 45, when the compression space of the spring 45 is not, the rotating device of the stamping equipment is output to drive the rotating rod 7 to rotate, the drill connected to the bottom part of the rotating rod 7 is synchronously operated, and the hole forming function of the hard alloy original growth strip is realized through the drill.

[0029] The above is further detailed description of the utility model in combination with specific embodiments, and cannot be determined that the utility model specific implementation is limited to these descriptions. For ordinary skilled in the art to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all should be regarded as belonging to the protection scope determined by the claims submitted by the utility model.

Claims

1. A tapping device for hard metal green bars, comprising a base (1), a top plate (2), an upper core assembly (5) and a lower core assembly (4), characterized in that: The bottom base (1) top middle fixed installation has lower mould core subassembly (4), bottom base (1) top both sides are fixedly connected with guide column (3), and are connected with top plate (2) through guide column (3) movably, top plate (2) bottom is located in lower mould core subassembly (4) opposite position fixed installation has upper mould core subassembly (5), top plate (2) top is fixedly connected with connecting column (6), connecting column (6) top is provided with rotating mouth (61), rotating mouth (61) is rotatably connected with rotating rod (7), and rotating rod (7) passes through top plate (2) and is movably in upper mould core subassembly (5).

2. A device for making holes in a compacted green strip of cemented carbide according to claim 1, characterized in that: The lower mould core subassembly (4) includes a bottom plate (41), a lower mould core block (43), a spring (45), a guide rod (44) and a pressure plate (42), the bottom plate (41) is fixedly installed on the top surface of the base (1), the lower mould core block (43) is fixedly installed on the surface of the bottom plate (41), the guide rods (44) are fixedly connected on both sides of the lower mould core block (43) on the surface of the bottom plate (41), and the pressure plate (42) is movably connected through the guide rods (44), the spring (45) is located between the bottom plate (41) and the pressure plate (42), and the two ends of the spring (45) are connected with the bottom plate (41) and the pressure plate (42) respectively.

3. A device for making holes in a compacted green strip of cemented carbide according to claim 2, characterized in that: The surface of the pressure plate (42) is provided with a movable opening (421) in the middle, and the lower mould core block (43) is movably connected in the movable opening (421), and the surface of the lower mould core block (43) is provided with a chip removal opening (431).

4. The apparatus according to claim 1, wherein: The upper mould core subassembly (5) includes a fixed plate (51) and an upper mould core block (52), the fixed plate (51) is fixedly connected to the bottom surface of the top plate (2), the surface of the fixed plate (51) is provided with a mounting position (511) at the opposite position of the lower mould core block (43), and the upper mould core block (52) is mounted in the mounting position (511).

5. A device for making holes in a compacted green strip of cemented carbide according to claim 4, characterized in that: The surface of the fixed plate (51) is provided with a fastening hole (512) at the opposite position of the mounting position (511), and the surface of the upper mould core block (52) is provided with a rotating cavity (53).

6. A device for making holes in a compacted green strip of cemented carbide according to claim 1, characterized in that: The bottom of the rotating rod (7) is movably in the rotating cavity (53).

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