High-strength punch for precision die

Abstract

The utility model relates to the technical field of stamping dies, and discloses a high-strength punch for a precision die, which comprises a protective shell and a punch main body, a circular groove is arranged at the center of the inside of the protective shell close to one end, inserting blocks are arranged at the centers of the upper and lower end faces of the punch main body close to one side, and a locking device is arranged at the center of the inside of the circular groove. A heat transfer device is arranged in the center of the outer side of the protective shell, and oil injection devices are arranged on the upper portion and the lower portion of the center of one side of the protective shell. According to the utility model, through the arrangement of the locking device, the rapid assembly and disassembly between the protective shell and the punch main body can be met, a worker can maintain and overhaul the punch more rapidly, the downtime is reduced, and the production efficiency is improved; according to the punch, the protection shell and the punch body can be lubricated, abrasion between the protection shell and the punch body can be reduced, and therefore the service life of the punch body is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch technology field especially relates to a high strength punch for precision mould. BACKGROUND

[0002] In the precision mould manufacturing, high strength punch is a key component, it is mainly used to punch the material into the shape and size required, now in the process of using punch, high strength punch outside adds the protective shell, makes it reach the purpose of improving the durability, precision and production efficiency of mould.

[0003] Now the high strength punch for precision mould is inconvenient to assemble and disassemble between the protective shell and the protective shell, and it is inconvenient for the staff to maintain and overhaul, which increases the downtime and reduces the production efficiency. In the process of using the high strength punch for precision mould, heat is easily generated when the punch is running, which can cause the temperature of the punch to be too high and accelerate the wear of the punch, resulting in deformation and affecting the precision of the mould. Therefore, the technical personnel in the field provides a high strength punch for precision mould to solve the problems in the background technology. SUMMARY

[0004] The utility model discloses a high strength punch for precision mould is provided to solve the shortcomings in the prior art, through the setting of locking device, make it satisfy the quick assembly and disassembly between protective shell and punch main part, realize the staff can more quickly maintain and overhaul, reduce downtime, thereby improve production efficiency, then through the setting of heat transfer device, make it satisfy can the heat that punch main part generates in operation is conducted, reaches certain cooling effect through the contact with air, avoid making its temperature too high and accelerating the wear of punch main part, resulting in deformation, thereby guarantee the precision of mould, finally through the setting of oil injection device, make it satisfy can between protective shell and punch main part lubrication, help to reduce the wear between protective shell and punch main part, thereby improve the service life of punch main part.

[0005] To achieve the above object, the utility model provides the following technical scheme: a high strength punch for precision mould, including protective shell and punch main part, the punch main part setting is in protective shell inside center place, the protective shell outside center center place is equipped with screw thread on one side, the protective shell upper and lower two inner walls center place all is equipped with arc slot, the protective shell inside center one end department place is equipped with round groove, the punch main part upper and lower two end surface center one side place all is equipped with inserting block, the round groove inside center place locking device, the protective shell outside center place is equipped with heat transfer device, the protective shell one side center is equipped with oil injection device on upper and lower places,

[0006] Through the technical scheme, the oil injection device is arranged to lubricate the protective shell and the punch body, thereby reducing the wear between the protective shell and the punch body, and prolonging the service life of the punch body.

[0007] Further, the locking device comprises a ring block, a rubber ring block, a fixing block and a handle, the ring block is arranged at the center of the inner side wall of the circular groove, the rubber ring block is arranged at the center of one side of the ring block, the ring block and the rubber ring block are respectively rotatably connected with the inner wall of the circular groove through bearings, the fixing block is arranged at the center of one side of the protective shell and penetrates the protective shell to the inside of the circular groove, the handle is arranged at the center of one side of the fixing block, the fixing block is fixedly connected with the ring block and rotatably connected with the protective shell through a bearing.

[0008] Through the technical scheme, the staff rotates the handle to drive the fixing block to rotate, and then drives the ring block and the rubber ring block to rotate, and then rotatably connects the ring block and the rubber ring block with the inner wall of the circular groove through bearings, and rotatably connects the fixing block with the protective shell through a bearing, so that the rotation of the fixing block, the ring block and the rubber ring block is satisfied.

[0009] Further, limit blocks are arranged at the centers of the upper and lower inner walls of the rubber ring block, inclined plates are arranged at the centers of the front and rear end faces of the two limit blocks, the lower end face of the upper limit block and the upper end face of the lower limit block are respectively inclined surfaces, and the two limit blocks penetrate the protective shell to the inside of the two arc-shaped insertion grooves.

[0010] Through the technical scheme, the limit blocks are rotated into the arc-shaped insertion grooves by the rubber ring block, then the insertion blocks are connected with the arc-shaped insertion grooves through sleeving, then the lower end face of the upper limit block and the upper end face of the lower limit block are respectively inclined surfaces, then the elastic property of the rubber ring block is used, so that the insertion blocks are sleeved in the ring block, the limit blocks are used to limit the insertion blocks, so that the punch body is limited and fixed, the inclined plates are rotated by the rubber ring block, the elastic property of the rubber ring block is used, so that the limit blocks are recovered, the punch body is disassembled, the staff can maintain and repair the punch body more quickly, the downtime is reduced, and the production efficiency is improved.

[0011] Further, the heat transfer device comprises a heat absorbing plate, a plurality of heat conducting pipes and a heat dissipation plate, the heat absorbing plate is arranged at the center of the inner wall of the protective shell, the plurality of heat conducting pipes are respectively arranged at the centers of the outer sides of the heat absorbing plate and penetrate the upper inner wall of the protective shell to the outer side wall of the protective shell, and the heat dissipation plate is arranged at the center of the outer side of the protective shell and fixedly connected with one end of the heat conducting pipe.

[0012] Through the technical scheme, the heat generated by the punch body during operation is absorbed by the heat absorption plate, and then transmitted to the heat dissipation plate through the heat conduction pipe, and then the heat dissipation plate is contacted with air to achieve a certain cooling effect, so that the temperature of the punch body is prevented from being too high to accelerate the wear of the punch body and cause deformation, thereby ensuring the precision of the mold.

[0013] Further, the oil injection device comprises an oil injection nozzle, a through hole and an inclined hole, the oil injection nozzle is arranged at one side wall of the protective shell, the through hole is arranged at an output end of the oil injection nozzle, and the inclined hole is arranged at an output end of the through hole and penetrates the protective shell to reach an inner wall of the protective shell.

[0014] Through the technical scheme, the protective shell with the installed punch body is vertically placed, then the lubricating oil is delivered to the through hole through the oil injection nozzle, then the lubricating oil is delivered to the inclined hole through the through hole, and then the lubricating oil is delivered to the surface of the punch body through the inclined hole, so that the lubricating oil can flow freely to the lower outer side wall of the punch body when the protective shell is vertically placed, which helps to reduce the wear between the protective shell and the punch body, thereby prolonging the service life of the punch body.

[0015] Further, the upper end face of the upper insertion block and the lower end face of the lower insertion block are respectively inclined surfaces and are respectively connected with the two arc-shaped insertion grooves in a sleeved and sliding manner.

[0016] Through the technical scheme, the upper end face of the upper insertion block and the lower end face of the lower insertion block are respectively inclined surfaces, which meet the cooperation and locking with the locking device, and the insertion block and the arc-shaped insertion groove are connected in a sleeved and sliding manner, which meets the installation of the punch body.

[0017] The utility model has the advantages of:

[0018] 1. In the utility model, when the high-strength punch is used in the precision mold, the locking device is arranged to meet the quick assembly and disassembly between the protective shell and the punch body, so that the maintenance and repair of the punch body can be carried out more quickly, the downtime is reduced, and the production efficiency is improved.

[0019] 2. In the utility model, the heat generated by the punch body during operation is conducted through the heat transfer device, and then a certain cooling effect is achieved through contact with air, so that the temperature of the punch body is prevented from being too high to accelerate the wear of the punch body and cause deformation, thereby ensuring the precision of the mold.

[0020] 3. In the utility model, the oil injection device is arranged to lubricate the protective shell and the punch body, which helps to reduce the wear between the protective shell and the punch body, thereby prolonging the service life of the punch body. DRAWINGS

[0021] Figure 1 A high-strength punch for a precision mold according to the utility model discloses a sectional view of the front view of the high-strength punch for the precision mold;

[0022] Figure 2 A high-strength punch for a precision mold according to the utility model discloses a sectional view of the front view of the high-strength punch for the precision mold;

[0023] Figure 3 A high-strength punch for a precision mold according to the utility model discloses a sectional view of the front view of the high-strength punch for the precision mold;

[0024] Figure 4 A high-strength punch for a precision mold according to the utility model discloses a sectional view of the front view of the high-strength punch for the precision mold; Figure 2 An enlarged schematic view of A in the middle;

[0025] Figure 5 A high-strength punch for a precision mold according to the utility model discloses a sectional view of the front view of the high-strength punch for the precision mold; Figure 2 An enlarged schematic view of B in the middle.

[0026] Legend:

[0027] 1, protective shell, 2, punch main body, 3, thread, 4, arc-shaped slot, 5, round groove, 6, plug, 7, locking device, 701, annular block, 702, rubber ring block, 703, limiting block, 704, inclined plate, 705, fixed block, 706, handle, 8, heat transfer device, 801, heat absorbing plate, 802, heat conducting pipe, 803, heat dissipation plate, 9, oil injection device, 901, oil injection nozzle, 902, through hole, 903, inclined hole. Specific implementation

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] Refer to Figures 1-5The utility model provides a kind of high-strength punch for precision mould, including protective shell 1 and punch main body 2, punch main body 2 is arranged at the inside center of protective shell 1, and the outside center of protective shell 1 is equipped with screw thread 3 at one side, and arc slot 4 is equipped at the inside wall center of both upper and lower of protective shell 1, and round groove 5 is equipped at the inside center of one end of protective shell 1, and plug 6 is equipped at one side of the center of both upper and lower end surface of punch main body 2, locking device 7 is at the inside center of round groove 5, by the setting of locking device 7, it satisfies the quick dismounting between protective shell 1 and punch main body 2, realizes that staff can more rapidly maintain and overhaul it, reduces downtime, to improve production efficiency, heat transfer device 8 is equipped at the outside center of protective shell 1, by the setting of heat transfer device 8, it satisfies that punch main body 2 can be conducted to the heat generated in operation, and certain cooling effect is reached by contacting with air, avoid making its temperature excessively high and accelerating the wear of punch main body 2, leading to its deformation, to guarantee mould precision, oiling device 9 is equipped at one side center of protective shell 1 and is equipped at both upper and lower, by the setting of oiling device 9, it satisfies that protective shell 1 and punch main body 2 can be lubricated, to help reduce the wear between protective shell 1 and punch main body 2, to improve the service life of punch main body 2.

[0030] Locking device 7 includes annular block 701, rubber ring block 702, fixed block 705 and handle 706, annular block 701 is arranged at one inside wall center of round groove 5, rubber ring block 702 is arranged at one side center of annular block 701, annular block 701 and rubber ring block 702 are respectively connected with the inner wall of round groove 5 through bearing rotation, fixed block 705 is arranged at one side center of protective shell 1, and it is connected to the inside of round groove 5 through protective shell 1, handle 706 is arranged at one side center of fixed block 705, fixed block 705 is fixedly connected between annular block 701, and it is connected with protective shell 1 through bearing rotation, staff rotates fixed block 705 by rotating handle 706, then annular block 701 and rubber ring block 702 are rotated by fixed block 705, then annular block 701 and rubber ring block 702 are respectively connected with the inner wall of round groove 5 through bearing rotation, then fixed block 705 is connected with protective shell 1 through bearing rotation, so that the rotation of fixed block 705, annular block 701 and rubber ring block 702 is satisfied.

[0031] The two limiting blocks 703 are respectively penetrated through the protective shell 1 to the inside of the two arc-shaped insertion grooves 4. The rubber ring block 702 drives the limiting block 703 to rotate to the inside of the arc-shaped insertion groove 4, and then the insertion block 6 is sleeved and connected between the arc-shaped insertion groove 4, and then the lower end surface of the upper limiting block 703 and the upper end surface of the lower limiting block 703 are respectively inclined surfaces, and then the elastic property of the rubber ring block 702 is used to make the insertion block 6 sleeved in the ring block 701, and then the limiting block 703 is used to limit the insertion block 6, so as to limit and fix the punch body 2, and then the rubber ring block 702 drives the inclined plate 704 to rotate, and then the elastic property of the rubber ring block 702 is used to recycle the limiting block 703 and disassemble the punch body 2, so that the staff can more quickly maintain and overhaul, reduce downtime, and improve production efficiency.

[0032] The heat transfer device 8 includes a heat absorption plate 801, a plurality of heat conduction pipes 802 and a heat dissipation plate 803. The heat absorption plate 801 is arranged at the center of the inner wall of the protective shell 1. The plurality of heat conduction pipes 802 are arranged at the center of the outer side of the heat absorption plate 801 and penetrate through the upper inner wall of the protective shell 1 to the outer side wall of the protective shell 1. The heat dissipation plate 803 is arranged at the center of the outer side of the protective shell 1 and is fixedly connected with one end of the heat conduction pipe 802. The heat absorption plate 801 absorbs the heat generated by the punch body 2 during operation, and then the heat conduction pipe 802 delivers the heat to the heat dissipation plate 803, which contacts with the air to achieve a certain cooling effect, so as to avoid the temperature being too high to accelerate the wear of the punch body 2 and cause deformation, thereby ensuring the precision of the mold.

[0033] The oil injection device 9 includes an oil injection nozzle 901, a through hole 902 and an inclined hole 903. The oil injection nozzle 901 is arranged at one side wall of the protective shell 1. The through hole 902 is arranged at the output end of the oil injection nozzle 901. The inclined hole 903 is arranged at the output end of the through hole 902 and penetrates through the protective shell 1 to the upper inner wall of the protective shell 1. The protective shell 1 with the installed punch body 2 is vertically placed, and then the lubricating oil is delivered to the through hole 902 through the oil injection nozzle 901, and then delivered to the inside of the inclined hole 903 through the through hole 902, and then delivered to the surface of the punch body 2 through the inclined hole 903. The vertical placement makes the lubricating oil flow freely to the lower outer side wall of the punch body 2, which helps to reduce the wear between the protective shell 1 and the punch body 2, thereby prolonging the service life of the punch body 2.

[0034] The upper end face of the upper plug 6 and the lower end face of the lower plug 6 are respectively inclined surfaces, and are respectively connected with the two arc-shaped slots 4 in a sleeved and sliding manner. The upper end face of the upper plug 6 and the lower end face of the lower plug 6 are respectively inclined surfaces, so that the upper plug 6 and the lower plug 6 can be locked with the locking device 7. The plug 6 and the arc-shaped slot 4 are connected in a sleeved and sliding manner, so that the punch body 2 can be installed.

[0035] Working principle: when the high-strength punch is used in a precision mold, the worker rotates the handle 706 to drive the fixed block 705 to rotate, and then drives the annular block 701 and the rubber ring block 702 to rotate through the fixed block 705, and then rotates the fixed block 705 and the protective shell 1 through the bearing connection between the annular block 701 and the rubber ring block 702 and the inner wall of the circular groove 5, so that the fixed block 705, the annular block 701 and the rubber ring block 702 can rotate, and then the rubber ring block 702 drives the limiting block 703 to rotate to the inside of the arc-shaped slot 4, and then the plug 6 and the arc-shaped slot 4 are connected in a sleeved manner, and then the lower end face of the upper limiting block 703 and the upper end face of the lower limiting block 703 are respectively inclined surfaces, and then the elastic property of the rubber ring block 702 makes the plug 6 sleeved in the annular block 701, and then the limiting block 703 limits the plug 6, so that the punch body 2 can be limited and fixed, and then the rubber ring block 702 drives the inclined plate 704 to rotate, and then the elastic property of the rubber ring block 702 makes the limiting block 703 be recycled, and the punch body 2 can be disassembled, so that the worker can maintain and repair the punch body 2 more quickly, the downtime is reduced, and the production efficiency is improved.

[0036] Then the protective shell 1 with the installed punch body 2 is vertically placed, the lubricating oil is delivered to the through hole 902 through the oil injection nozzle 901, the lubricating oil is delivered to the inclined hole 903 through the through hole 902, the lubricating oil is delivered to the surface of the punch body 2 through the inclined hole 903, and the vertical placement makes the lubricating oil flow freely to the lower outer side wall of the punch body 2, which helps to reduce the wear between the protective shell 1 and the punch body 2, thereby prolonging the service life of the punch body 2. Then the punch body 2 is installed and used through the threads 3, and finally in the process of using the punch body 2, the heat generated by the punch body 2 is absorbed by the heat-absorbing plate 801, the heat is delivered to the heat-dissipating plate 803 through the heat-conducting pipe 802, and the heat-dissipating plate 803 is in contact with the air to achieve a certain cooling effect, which avoids the temperature of the punch body 2 being too high to accelerate the wear of the punch body 2 and cause deformation, thereby ensuring the precision of the mold.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A high-strength punch for precision molds, comprising a protective shell (1) and a punch body (2) disposed at the center inside the protective shell (1), characterized in that: The outer side center of the protective shell (1) is provided with a thread (3), the center of the upper and lower inner walls of the protective shell (1) is provided with an arc-shaped slot (4), the inner center of the protective shell (1) is provided with a circular groove (5), the center of one side of the upper and lower end faces of the punch body (2) is provided with an insertion block (6), the inner center of the circular groove (5) is provided with a locking device (7), the outer center of the protective shell (1) is provided with a heat transfer device (8), and the center of one side of the upper and lower sides of the protective shell (1) is provided with an oil injection device (9).

2. A high-strength punch for a precision die according to claim 1, characterized in that: The locking device (7) comprises an annular block (701), a rubber ring block (702), a fixed block (705) and a handle (706), the annular block (701) is arranged at the inner side wall center of the circular groove (5), the rubber ring block (702) is arranged at the center of one side of the annular block (701), the annular block (701) and the rubber ring block (702) are respectively connected with the inner wall of the circular groove (5) through bearings, the fixed block (705) is arranged at the center of one side of the protective shell (1) and penetrates the protective shell (1) to the inside of the circular groove (5), the handle (706) is arranged at the center of one side of the fixed block (705), the fixed block (705) is fixedly connected with the annular block (701) and rotatably connected with the protective shell (1) through bearings.

3. The high-strength punch for a precision die according to claim 2, characterized by: The upper and lower inner walls of the rubber ring block (702) are provided with limiting blocks (703) at the center, the front and rear end faces of the two limiting blocks (703) are provided with inclined plates (704) at the center, the lower end face of the upper limiting block (703) and the upper end face of the lower limiting block (703) are respectively inclined, and the two limiting blocks (703) penetrate the protective shell (1) to the inside of the two arc-shaped slots (4).

4. The high-strength punch for a precision die according to claim 1, characterized by: The heat transfer device (8) comprises a heat absorbing plate (801), a plurality of heat conducting pipes (802) and a heat dissipation plate (803), the heat absorbing plate (801) is arranged at the inner wall center of the protective shell (1), a plurality of heat conducting pipes (802) are arranged at the outer center of the heat absorbing plate (801) and penetrate the upper inner wall of the protective shell (1) to the outer side wall of the protective shell (1), and the heat dissipation plate (803) is arranged at the outer center of the protective shell (1) and fixedly connected with one end of the heat conducting pipe (802).

5. The high-strength punch for precision molds according to claim 1, characterized in that: The oil injection device (9) comprises an oil injection nozzle (901), a through hole (902) and an inclined hole (903), the oil injection nozzle (901) is arranged at one side wall of the protective shell (1), the through hole (902) is arranged at the output end of the oil injection nozzle (901), and the inclined hole (903) is arranged at the output end of the through hole (902) and penetrates the protective shell (1) to the upper inner wall of the protective shell (1).

6. A high strength punch for precision dies according to claim 1, characterized in that: The upper end face of the upper insertion block (6) and the lower end face of the lower insertion block (6) are respectively inclined and are sleeved and connected with the two arc-shaped slots (4) in sliding connection.

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