Combined die structure

Abstract

The utility model relates to the technical field of dies, in particular to a combined die structure which comprises a fixed die and a movable die, the movable die is slidably mounted on the fixed die, a male die core is detachably mounted in the middle of the top of the fixed die, and a female die core is detachably mounted in the middle of the bottom of the movable die. A plurality of positioning holes and punching holes are formed in the two ends of the fixed die respectively, a plurality of positioning shafts and punching needles are fixedly arranged on the lower surface of the movable die, the positioning shafts correspond to the positioning holes one to one and are in sliding connection, and the punching needles correspond to the punching holes one to one; the male die core comprises a face plate and a sealing plate, an inner flow channel is formed in the face plate, the male die core and the female die core are internally provided with the inner flow channels, a cooling agent (such as cooling water or oil) can be guided in through the inner flow channels to adjust the temperature of the die, the temperature of the die can be kept constant, and therefore the stability of materials is kept in the punching process; and deformation and thermal stress of the material caused by temperature change are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to die technical field, concretely is a combined die structure. BACKGROUND

[0002] Die is a kind of tool for manufacturing specific shape or structural parts, is widely used in various industrial fields, wherein punching process will be applied to punching die, and punching die is a kind of precision tool for sheet metal forming, it makes metal plate occur plastic deformation in die by the strong pressure of press machine, to form the shape and size required, this process has the characteristics of high efficiency, high precision and high repeatability, is widely used in automobile, household appliance, electronic product etc. Manufacturing industry, and the design and manufacture of punching die require high precision, can adapt to different materials and complex geometry.

[0003] Punching die not only can improve production efficiency, but also can ensure the quality and consistency of product, is the indispensable key equipment in large-scale industrial production, but it still has certain problems: 1) frequent punching process can cause high heat of die, and temperature change can cause material to produce deformation and thermal stress;2) overheating or uneven temperature can cause the mechanical properties of die material to decrease, increase the risk of wear and crack;Therefore, in view of the above status, it is urgent to develop a combined die structure to overcome the deficiencies in current actual application and meet the current demand. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a combined die structure to solve the problems in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a combined die structure, comprising fixed die and movable die, the movable die is slidably installed on the fixed die, the top middle position of the fixed die is detachably installed with male mold core, and the bottom middle position of the movable die is detachably installed with female mold core;

[0006] A plurality of positioning holes and punching holes are formed in the two ends of the fixed die, a plurality of positioning shafts and punch pins are fixedly arranged on the lower surface of the movable die, the positioning shafts are in one-to-one correspondence with the positioning holes and are slidably connected, the punch pins are in one-to-one correspondence with the punching holes, the length of the positioning shafts is 20mm longer than that of the punch pins, the positioning shafts can be inserted into the pre-formed positioning holes of material to position them, and the subsequent positioning holes are formed by punch pins and positioned, efficiently ensuring material conveying accuracy;

[0007] The male mold core comprises a panel and a closure plate, an inner runner is formed in the inside of the panel, a closure groove is formed in the lower surface of the panel, the closure plate is embedded and installed in the closure groove, and a plurality of interfaces in series with the inner runner are provided on one side of the panel.

[0008] Preferably, the top corner position of the fixed mold is fixedly provided with a plurality of guide columns, and the corner position of the movable mold is provided with a plurality of sleeves, and the sleeves and the guide columns are in sliding fit, and in particular, the sleeves and the guide columns are matched with each other, so that the fixed mold and the movable mold can be accurately positioned.

[0009] Preferably, the upper surface of the fixed mold is provided with a mounting groove and a through groove, the convex mold core is matched with the mounting groove, and the interface is located in the through groove, and in particular, after the convex mold core is mounted in the mounting groove, the edge thereof is flush with the upper surface of the fixed mold, and the interface located in the through groove can be conveniently connected with the cooling pipeline during use, so that the pipeline is prevented from protruding from the fixed mold and being damaged.

[0010] Preferably, the lower surface of the movable mold is provided with a mounting groove and a through groove which are consistent with the structure of the fixed mold.

[0011] Preferably, the concave mold core is provided with an inner runner, a closed groove and an interface which are consistent with the structure of the convex mold core, and in particular, the inner runner can be used to introduce a coolant to adjust the temperature of the mold, which is helpful to keep the mold temperature constant, so as to keep the stability of the material during the punching process, and reduce the deformation and thermal stress of the material caused by temperature change.

[0012] Compared with the prior art, the utility model provides a combined mold structure which has the advantages that

[0013] Beneficial effects:

[0014] The inner runner in the convex mold core and the concave mold core can be used to introduce a coolant such as cooling water or oil to adjust the temperature of the mold, which is helpful to keep the mold temperature constant, so as to keep the stability of the material during the punching process, and reduce the deformation and thermal stress of the material caused by temperature change, the constant mold temperature can speed up the forming speed of the material, reduce the cooling time, and thus improve the production efficiency.

[0015] The whole is designed in a combined structure, and the convex mold core and the concave mold core can be replaced only, so that the punching operation of different shapes can be adapted;

[0016] The punch pin and the positioning shaft are matched with each other, so that the material can be positioned before punching, and the punching precision is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Figure 1 It is a front structure schematic diagram of the present application.

[0019] Figure 2 It is a side structure schematic diagram of the present application.

[0020] Figure 3 It is an explosion diagram of the male die core of the present application.

[0021] Figure 4 It is a panel structure schematic diagram of the present application.

[0022] In the figure: 10, fixed die; 101, positioning hole; 102, guide column; 103, punching hole; 104, mounting groove; 105, through groove; 20, male die core; 201, panel; 2011, inner runner; 2012, closed groove; 2013, interface; 202, closing plate; 30, movable die; 301, sleeve; 302, positioning shaft; 303, punch pin; 40, female die core. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0025] Embodiment:

[0026] Please refer to Figures 1-4The utility model provides a technical scheme: a combined die structure, including fixed mould 10 and movable mould 30, movable mould 30 can be slidably installed on fixed mould 10, the top middle position of fixed mould 10 is detachably installed with male mould core 20, the bottom middle position of movable mould 30 is detachably installed with female mould core 40,

[0027] The both ends of fixed mould 10 are provided with a plurality of positioning holes 101 and punching holes 103 respectively, a plurality of positioning shafts 302 and punch pins 303 are fixedly arranged on the lower surface of movable mould 30, the positioning shaft 302 is in one-to-one correspondence with the positioning hole 101 and is slidably connected, the punch pin 303 is in one-to-one correspondence with the punching hole 103, the length of the positioning shaft 302 is 20mm longer than the length of the punch pin 303, the positioning shaft 302 can be inserted into the pre-formed positioning hole of the material to position it, and then the punch pin 303 can form the subsequent positioning hole and position it, so that the material conveying accuracy is guaranteed efficiently.

[0028] The male mould core 20 comprises a panel 201 and a closing plate 202, the inside of the panel 201 is provided with an inner runner 2011, the lower surface of the panel 201 is provided with a closing groove 2012, the closing plate 202 is embeddedly installed in the closing groove 2012, and a plurality of interfaces 2013 in series with the inner runner 2011 are arranged on one side of the panel 201.

[0029] Preferably, a plurality of guide columns 102 are fixedly arranged at the top corner positions of the fixed mould 10, a plurality of sleeves 301 are arranged at the corner positions of the movable mould 30, the sleeve 301 is slidably matched with the guide column 102, and specifically, the sleeve 301 and the guide column 102 are matched with each other, so that the fixed mould 10 and the movable mould 30 can be accurately positioned.

[0030] Preferably, the upper surface of the fixed mould 10 is provided with a mounting groove 104 and a through groove 105, the male mould core 20 is matched with the mounting groove 104, and the interface 2013 is located in the through groove 105, and specifically, after the male mould core 20 is installed in the mounting groove 104, the edge of the male mould core 20 is flush with the upper surface of the fixed mould 10, and the interface 2013 located in the through groove 105 can be conveniently connected with the cooling pipeline during use, so that the pipeline does not protrude from the fixed mould 10 and is not easily damaged.

[0031] Preferably, the lower surface of the movable mould 30 is provided with a mounting groove 104 and a through groove 105 which are consistent with the structure of the fixed mould 10.

[0032] Preferably, the female mould core 40 is provided with an inner runner 2011, a closing groove 2012 and an interface 2013 which are consistent with the structure of the male mould core 20, and specifically, the inner runner 2011 can be used to introduce a coolant such as cooling water or oil to adjust the temperature of the die, which helps to keep the die temperature constant, thereby maintaining the stability of the material during the punching process and reducing the deformation and thermal stress of the material caused by temperature changes.

[0033] Working principle: the movable die 30 is driven by the punching equipment to descend, and the material to be punched is located on the fixed die 10. During the descending process of the movable die 30, the positioning shaft 302 will pass through the through hole on the material to be punched and enter the positioning hole 101, thereby preliminarily positioning the material. Then, the punch pin 303 will cooperate with the punching hole 103 to punch the subsequent material to form a positioning through hole and position the material. Subsequently, the male die core 20 and the female die core 40 are combined to realize the material punching operation. In this process, the interface is connected with a cooling circulation device to inject circulating cooling liquid into the inner runner 2011, so as to maintain the temperature of the die core within a constant range. When the die core is worn or needs to be replaced, the corner position bolts are removed, and the reassembled die core can be used.

[0034] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

Claims

1. A modular mold structure, characterized by: Including fixed mold (10) and movable mold (30), the movable mold (30) can be slidably installed on the fixed mold (10), the top middle position of the fixed mold (10) is detachably installed with male mold core (20), the bottom middle position of the movable mold (30) is detachably installed with female mold core (40); The both ends of the fixed mold (10) are respectively provided with a plurality of positioning holes (101) and punching holes (103), the lower surface of the movable mold (30) is fixedly provided with a plurality of positioning shafts (302) and punching needles (303), the positioning shafts (302) are in one-to-one correspondence with the positioning holes (101) and are slidably connected, the punching needles (303) are in one-to-one correspondence with the punching holes (103); The male mold core (20) includes a panel (201) and a closing plate (202), the inside of the panel (201) is provided with an inner runner (2011), the lower surface of the panel (201) is provided with a closing groove (2012), the closing plate (202) is embeddedly installed in the closing groove (2012), one side of the panel (201) is provided with a plurality of interfaces (2013) in series with the inner runner (2011).

2. A modular mold structure according to claim 1, wherein: The top corner position of the fixed mold (10) is fixedly provided with a plurality of guide columns (102), the corner position of the movable mold (30) is provided with a plurality of sleeves (301), the sleeves (301) are slidably matched with the guide columns (102).

3. A modular mold structure according to claim 1, wherein: The upper surface of the fixed mold (10) is provided with a mounting groove (104) and a through groove (105), the male mold core (20) is matched with the mounting groove (104), and the interface (2013) is located in the through groove (105).

4. The modular mold structure of claim 1, wherein: The lower surface of the movable mold (30) is provided with a mounting groove (104) and a through groove (105) consistent with the structure of the fixed mold (10).

5. The modular mold structure of claim 1, wherein: The female mold core (40) is provided with an inner runner (2011), a closing groove (2012) and an interface (2013) consistent with the structure of the male mold core (20) in the female mold core (40).

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