Punching and hole flanging integrated die and plate machining equipment

Abstract

The utility model relates to the technical field of plate processing, in particular to a punching and hole flanging integrated die and plate processing equipment. The punching and hole flanging integrated die comprises an upper die assembly and a lower die assembly, the upper die assembly comprises a male die, the male die comprises a base body and a pre-punching protrusion arranged at the lower end of the base body, the cross section area of the pre-punching protrusion is smaller than that of the base body, and a step is formed between the pre-punching protrusion and the base body; the lower die assembly comprises a pre-punching female die and a hole flanging female die; the pre-punching female die is provided with a blanking channel, the hole flanging female die is provided with a mounting cavity, and the pre-punching female die penetrates through the mounting cavity and can slide in the mounting cavity; the base body of the male die can be inserted into the mounting cavity, the pre-punching protrusion can be inserted into the blanking channel, and the step can abut against the upper end of the pre-punching female die. According to the punching and hole flanging integrated die, punching and hole flanging can be achieved in the same working procedure, and production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plate processing, in particular to a punching and hole-turning integrated die and plate processing equipment. Background Art

[0002] The battery direct cooling plate is a component that provides cooling function for the power battery system. When the temperature of the power battery is high, the battery direct cooling plate will turn on its cooling function to take away the heat released by the power battery, so that the power battery is in the optimal operating temperature range, thereby extending the life of the power battery, improving its electrochemical performance and energy efficiency, and improving the performance of the electric vehicle. Usually, the battery direct cooling plate is connected to the air conditioning pipeline / electronic expansion valve through a flange. The battery direct cooling plate includes a flow channel plate and a flat plate. The flow channel plate, the flat plate and the flange 3 are welded into a whole by brazing.

[0003] Among them, it is necessary to process holes on the plate and then to punch the holes. In the process of processing the plate, two processes are generally required. First, the plate is punched with a punching die at one station, and then the hole is punched with a punching die at another station. This leads to low production efficiency. Utility Model Content

[0004] The utility model aims to provide a punching and punching integrated die and sheet material processing equipment, so as to solve the technical problem of low production efficiency existing in the prior art to a certain extent.

[0005] The utility model provides an integrated punching and punching die, comprising: an upper die assembly, comprising a punch, the punch comprising a base and a pre-punching protrusion arranged at the lower end of the base, the cross-sectional area of ​​the pre-punching protrusion is smaller than the cross-sectional area of ​​the base, and a step is formed between the pre-punching protrusion and the base; a lower die assembly, comprising a pre-punching die and a punching die; the pre-punching die is provided with a blanking channel, the punching die is provided with a mounting cavity, the pre-punching die passes through the mounting cavity, and can slide along the mounting cavity; the base of the punch can be inserted into the mounting cavity, the pre-punching protrusion can be inserted into the blanking channel, and the step can abut against the upper end of the pre-punching die.

[0006] In the process of punching and flipping the sheet material using the punching and flipping integrated die provided by the utility model, the pre-punching protrusion on the punch can cooperate with the pre-punching die to pre-punch the sheet material, and the punched blank can enter the blanking channel, thereby avoiding the next punching; the pre-punching protrusion is inserted into the blanking channel, the step abuts against the upper end of the pre-punching die, the punch descends, the pre-punching die descends in the installation cavity, and the base of the punch cooperates with the flipping die to flip the hole, thereby obtaining the set hole and the flipped hole. The punching and flipping integrated die provided by the utility model can realize punching and flipping in the same process, avoid changing the die, avoid punching and flipping in two processes, save processing costs, and improve processing efficiency.

[0007] Furthermore, the lower die assembly also includes: a die clamping plate, connected and fixed to the lower end of the pre-punching die; a die pad, connected and fixed below the die clamping plate; and a telescopic power member, which is connected to the die pad.

[0008] Furthermore, a die through-groove is provided on the die clamping plate, and a die clamping groove is provided on the lower end side wall of the die through-groove; a die protrusion is provided at the lower end of the pre-punching die, and the die protrusion is clamped in the die clamping groove, and the pre-punching die passes through the die through-groove; the lower end of the pre-punching die rests on the die pad; a through hole is provided on the die pad, and the through hole is connected to the blanking channel.

[0009] Furthermore, the lower mold assembly also includes: a first lower mold plate, a die mounting groove is provided on the first lower mold plate, and the hole-flanging die is installed in the die mounting groove; a second lower mold plate is connected and fixed below the first lower mold plate; a movable cavity is provided at the lower part of the second lower mold plate, and the die clamping plate and the die pad are located in the movable cavity and can move up and down along the movable cavity.

[0010] Furthermore, the lower mold assembly also includes: a telescopic power member fixing plate, which is connected and fixed below the lower mold plate; a fixing groove is provided on the telescopic power member fixing plate, and the telescopic power member is installed in the fixing groove; a blanking hole is also provided on the telescopic power member fixing plate, and the blanking hole is connected to the through hole.

[0011] Furthermore, the number of the fixing grooves is at least two, and the telescopic power member is installed in each of the fixing grooves.

[0012] Furthermore, the upper mold assembly also includes: an upper mold plate, which is provided with a spring groove, and a spring is provided in the spring groove; a stripper plate, which is located below the lower mold plate, and the spring is connected to the stripper plate; the stripper plate is also provided with a punch through hole for the punch to pass through; a trimming die, which is connected and fixed to the upper mold plate, located on one side of the stripper plate, and located on the outside of the punch.

[0013] Furthermore, the upper die assembly also includes: a punch clamp, a punch through groove is provided on the punch clamp, and a punch clamping groove is provided on the upper end side wall of the punch through groove; a punch protrusion is provided on the upper end of the base, the punch protrusion is clamped in the punch clamping groove, and the base passes through the punch through groove; a punch pad, the punch pad is connected and fixed above the punch clamp to cover the punch through groove; a groove is provided on the upper die plate, and the punch pad is installed in the groove; a clamping plate avoidance groove corresponding to the groove is provided on the stripper plate, and the punch clamp can be inserted into the clamping plate avoidance groove.

[0014] Furthermore, the upper mold assembly also includes an upper pad and an upper support plate; the upper pad is connected between the upper mold plate and the upper support plate; the lower mold assembly also includes a lower pad and a lower support plate; the lower pad is connected between the second lower mold plate and the lower support plate.

[0015] The utility model provides a sheet material processing device, comprising: a press machine and the above-mentioned punching and flanging integrated die; the punching and flanging integrated die is installed on the press machine.

[0016] It should be understood that both the foregoing general description and the following specific embodiments are for the purpose of example and illustration and do not necessarily limit the present disclosure. The accompanying drawings, which are incorporated into and constitute a part of the specification, illustrate the subject matter of the present disclosure. At the same time, the specification and the drawings are used to explain the principles of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic structural diagram of a punching and hole-turning integrated die according to an embodiment of the utility model;

[0019] Figure 2 For Figure 1A schematic diagram of the local structure of the punching and punching integrated die is shown.

[0020] Icons: 1-upper die assembly; 101-punch; 102-stripping plate; 103-trimming die; 104-punch clamping plate; 105-punch pad; 106-punch bump; 107-upper die plate; 108-spring; 109-upper pad; 110-upper support plate; 1011-base; 1012-pre-punching protrusion;

[0021] 2-lower die assembly; 201-pre-punching die; 202-flanging die; 203-blank channel; 204-die clamping plate; 205-die pad; 206-telescopic power member; 207-die convex block; 208-first lower template; 209-second lower template; 210-movable cavity; 211-telescopic power member fixing plate; 212-blank hole; 213-lower pad; 214-lower support plate. DETAILED DESCRIPTION

[0022] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0023] The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0024] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0025] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] like Figure 1 and Figure 2 As shown, the utility model provides a punching and flanging integrated die, comprising: an upper die assembly 1, comprising a punch 101, the punch 101 comprising a base 1011 and a pre-punching protrusion 1012 arranged at the lower end of the base, the cross-sectional area of ​​the pre-punching protrusion 1012 is smaller than the cross-sectional area of ​​the base 1011, and a step is formed between the pre-punching protrusion 1012 and the base 1011; a lower die assembly 2, comprising a pre-punching die 201 and a flanging die 202; the pre-punching die 201 is provided with a blanking channel 203, the flanging die 202 is provided with a mounting cavity, the pre-punching die 201 passes through the mounting cavity, and can slide along the mounting cavity; the base 1011 of the punch 101 can be inserted into the mounting cavity, the pre-punching protrusion 1012 can be inserted into the blanking channel 203, and the step can abut against the upper end of the pre-punching die 201.

[0028] In the process of punching and flanging the sheet material using the punching and flanging integrated die provided in this embodiment, the pre-punching protrusion 1012 on the punch 101 can cooperate with the pre-punching die 201 to pre-punch the sheet material, and the punched blank can enter the blanking channel 203, thereby avoiding the next punching; the pre-punching protrusion 1012 is inserted into the blanking channel 203, the step abuts against the upper end of the pre-punching die 201, the punch 101 moves downward, the pre-punching die 201 moves downward in the installation cavity, and the base 1011 of the punch 101 cooperates with the flanging die 202 to flanging the hole, thereby obtaining the set hole and flanging. The punching and flanging integrated die provided in this embodiment can realize punching and flanging in the same process, avoid changing the die, avoid punching and flanging in two processes, save processing costs, and improve processing efficiency.

[0029] like Figure 2 As shown, based on the above-mentioned embodiment, the lower die assembly 2 further includes: a die clamping plate 204, which is connected and fixed to the lower end of the pre-punching die 201 (for example, the connection can be achieved by fasteners such as bolts or screws); a die pad 205, which is connected and fixed below the die clamping plate 204; and a telescopic power member 206, which is connected to the die pad 205.

[0030] In this embodiment, the die clamping plate 204 and the die pad 205 can stabilize the pre-punching die 201, which is conducive to punching. The telescopic power member 206 can give force to the pre-punching die 201 to support the pre-punching die 201 to cooperate with the punch 101 to achieve punching. After the punching is completed, the telescopic power member 206 can stop working, and the pre-punching die 201 moves downward under the push of the punch 101, and the piston of the telescopic power member 206 retracts, or the telescopic power member 206 works in reverse to drive the pre-punching die 201 downward. After the hole is turned, the telescopic power member 206 works forward, and the telescopic power member 206 pushes the pre-punching die 201 upward to demold the plate that has completed the hole turning. The punching and hole turning integrated mold provided in this embodiment can not only realize the completion of punching and hole turning in the same process, but also complete demolding, which is convenient for processing and further improves production efficiency.

[0031] The telescopic power member 206 may be an electric telescopic rod, an oil cylinder, etc. Optionally, the telescopic power member 206 is a gas cylinder, which is easy to control, reliable, and low in cost. Preferably, it is a nitrogen gas cylinder.

[0032] Specifically, Figure 2 As shown, based on the above embodiment, a die through groove is provided on the die clamping plate 204, and a die clamping groove is provided on the lower end side wall of the die through groove; a die protrusion 207 is provided at the lower end of the pre-punching die 201, and the die protrusion 207 is clamped in the die clamping groove, and the pre-punching die 201 passes through the die through groove; the lower end of the pre-punching die 201 rests on the die pad 205; the die pad 205 is provided with a through hole, and the through hole is connected to the blanking channel 203.

[0033] In this embodiment, the die protrusion 207 is clamped in the die clamping groove, thereby preventing the pre-punching die 201 from falling off upwards. The die pad 205 is arranged below the pre-punching die 201 to prevent the pre-punching die 201 from falling off downwards. The pre-punching die 201 is limited and fixed by a simple structure.

[0034] like Figure 1 and Figure 2 As shown, on the basis of the above embodiment, further, the lower mold assembly 2 also includes: a first lower mold plate 208, the first lower mold plate 208 is provided with a die mounting groove, and the hole-turning die is installed in the die mounting groove; a second lower mold plate 209, the second lower mold plate 209 is connected and fixed below the first lower mold plate 208; a movable cavity 210 is provided at the lower part of the second lower mold plate 209, and the die clamping plate 204 and the die pad plate 205 are located in the movable cavity 210 and can move up and down along the movable cavity 210.

[0035] Specifically, through holes are correspondingly provided on the first lower template 208 and the second lower template 209 , and the pre-punching die 201 can pass through the pre-punching die 201 .

[0036] like Figure 2 As shown, on the basis of the above embodiment, further, the lower mold assembly 2 also includes: a telescopic power member fixing plate 211, the telescopic power member fixing plate 211 is connected and fixed (for example, it can be connected by fasteners such as bolts or screws) below the lower mold plate; a fixing groove is provided on the telescopic power member fixing plate 211, and the telescopic power member 206 is installed in the fixing groove; a blanking hole 212 is also provided on the telescopic power member fixing plate 211, and the blanking hole 212 is connected to the through hole.

[0037] In this embodiment, the punched material can enter the material hole 212 through the material channel 203 and then be discharged from the material hole 212.

[0038] like Figure 2 As shown, based on the above embodiment, further, the number of the fixing grooves is at least two, and a telescopic power member 206 is installed in each fixing groove. Multiple telescopic power members 206 can support the pre-punching die 201 more stably.

[0039] like Figure 1 As shown, on the basis of the above embodiment, further, the upper mold assembly 1 also includes: an upper mold plate, a spring groove is provided on the upper mold plate, and a spring is provided in the spring groove; a stripper plate, the stripper plate is located below the lower mold plate, and the spring is connected to the stripper plate; the stripper plate is also provided with a punch through hole for the punch to pass through; a trimming die, the trimming die is connected and fixed to the upper mold plate, is located on one side of the stripper plate, and is located on the outside of the punch.

[0040] In this embodiment, the pre-punching die 201 is initially lifted up by the telescopic power member 206, and the pre-punching die 201 is flush with the punching die 202. The sheet material to be processed is located between the stripping plate 102 and the first lower template 208. The upper die assembly 1 moves downward under the action of the press, and when the stripper plate 102 contacts the sheet material, it stops due to resistance (the limit of the stripper plate 102 can be achieved by using limit bolts, and conventional means can be used), the other parts of the upper die assembly 1 continue to move downward, and the spring 108 is compressed to provide a pressing force, that is, the spring 108 can not only bring the stripper plate 102 downward, but also provide the pressing force required for trimming, punching and flipping after the stripper plate 102 abuts against the sheet material; the upper die assembly 1 continues to move downward, the trimming die 103 completes trimming, the punch 101 completes pre-punching, and the punching waste falls along the blanking channel 203, the punch 101 continues to move downward, the telescopic power member 206 is compressed, the pre-punching die 201 moves downward, and the punch 101 completes the flipping action. After the flipping is completed, the pre-punching die 201 moves upward under the action of the telescopic power member 206 to complete the stripping action. The punch and the trimming die follow the punch downward. During the process of punching and flanging, the edge of the sheet can be trimmed by the trimming die 103. The integrated punching and flanging die provided in this embodiment can realize punching, flanging and trimming in the same process, thereby improving production efficiency.

[0041] like Figure 1 As shown, on the basis of the above embodiment, further, the upper mold assembly 1 also includes: a punch clamp 104, a punch 101 through groove is provided on the punch clamp 104, and a punch 101 clamping groove is provided on the upper end side wall of the punch 101 through groove; a punch protrusion 106 is provided at the upper end of the base, the punch protrusion 106 is clamped in the punch 101 clamping groove, and the base passes through the punch 101 through groove; a punch pad 105, the punch pad 105 is connected and fixed on the top of the punch clamp 104 to cover the punch 101 through groove; a groove is provided on the upper mold plate, and the punch pad is installed in the groove; a clamping plate avoidance groove corresponding to the groove is provided on the stripper plate, and the punch clamp can be inserted into the clamping plate avoidance groove.

[0042] In this embodiment, the punch 101 block is stuck in the punch 101 slot, thereby preventing the punch 101 from falling off downward, and the punch pad 105 covers the punch 101 through-groove, that is, the upper end of the punch 101 rests on the punch pad 105, and the punch pad 105 prevents the punch 101 from falling off upward, and a simple structure is used to achieve the limitation and fixation of the punch 101.

[0043] like Figure 1 As shown, based on the above embodiment, the upper mold assembly 1 also includes an upper foot 109 and an upper support plate 110. The upper foot 109 is connected between the upper mold plate 107 and the upper support plate 110, and can be conveniently connected to the press through the upper support plate 110.

[0044] like Figure 2 As shown, based on the above embodiment, the lower mold assembly 2 also includes a lower pad 213 and a lower support plate 214. The lower pad 213 is connected between the second lower mold plate 209 and the lower support plate 214, and can be conveniently connected to the press through the lower support plate 214.

[0045] The embodiment of the utility model also provides a sheet metal processing equipment, including a press and a punching and punching integrated die of any of the above technical solutions; the punching and punching integrated die is installed on the press. Therefore, the sheet metal processing equipment has all the beneficial technical effects of the punching and punching integrated die, which will not be described in detail here.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them; although the utility model is described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions recorded in the above embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the various embodiments of the utility model. In the description provided herein, a large number of specific details are described. However, it can be understood that the embodiments of the utility model can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this specification. In addition, those skilled in the art can understand that although some embodiments described herein include certain features included in other embodiments instead of other features, the combination of features of different embodiments means being within the scope of the utility model and forming different embodiments.

Claims

1. A punching and punching integrated die, characterized in that: include: An upper die assembly, comprising a punch, the punch comprising a base and a pre-punching protrusion arranged at the lower end of the base, the cross-sectional area of ​​the pre-punching protrusion is smaller than the cross-sectional area of ​​the base, and a step is formed between the pre-punching protrusion and the base; The lower die assembly comprises a pre-punching die and a punching die; the pre-punching die is provided with a blanking channel, the punching die is provided with a mounting cavity, the pre-punching die passes through the mounting cavity and can slide along the mounting cavity; The base of the male die can be inserted into the mounting cavity, the pre-punching protrusion can be inserted into the blanking channel, and the step can abut against the upper end of the pre-punching female die.

2. The punching and punching integrated die according to claim 1, characterized in that: The lower mold assembly also includes: A die clamping plate, connected and fixed to the lower end of the pre-punching die; A die pad, connected and fixed below the die clamping plate; A telescopic power member is connected to the die backing plate.

3. The punching and punching integrated die according to claim 2, characterized in that: The die clamping plate is provided with a die through-groove, and the lower end side wall of the die through-groove is provided with a die clamping groove; the lower end of the pre-punching die is provided with a die convex block, and the die convex block is clamped in the die clamping groove, and the pre-punching die passes through the die through-groove; The lower end of the pre-punching die abuts against the die pad; a through hole is provided on the die pad, and the through hole is communicated with the blanking channel.

4. The punching and punching integrated die according to claim 3, characterized in that: The lower mold assembly also includes: A first lower template, wherein the first lower template is provided with a die mounting groove, and the hole-flanging die is mounted in the die mounting groove; The second lower template is connected and fixed below the first lower template; a movable cavity is provided at the lower part of the second lower template, and the die clamping plate and the die pad are located in the movable cavity and can move up and down along the movable cavity.

5. The punching and punching integrated die according to claim 4, characterized in that: The lower mold assembly also includes: A telescopic power member fixing plate is connected and fixed below the lower template; a fixing groove is arranged on the telescopic power member fixing plate, and the telescopic power member is installed in the fixing groove; a blanking hole is also arranged on the telescopic power member fixing plate, and the blanking hole is connected to the through hole.

6. The punching and punching integrated die according to claim 5, characterized in that: The number of the fixing grooves is at least two, and the telescopic power member is installed in each of the fixing grooves.

7. The punching and punching integrated die according to any one of claims 4 to 6, characterized in that: The upper mold assembly also includes: An upper template, wherein a spring groove is provided on the upper template, and a spring is provided in the spring groove; A stripper plate, the stripper plate is located below the upper mold plate, the spring is connected to the stripper plate; the stripper plate is also provided with a punch through hole for the punch to pass through; The trimming die is connected and fixed on the upper mold plate, located on one side of the stripping plate, and is located on the outer side of the male mold.

8. The punching and punching integrated die according to claim 7, characterized in that: The upper mold assembly also includes: A punch clamping plate, wherein a punch through groove is provided on the punch clamping plate, and a punch clamping groove is provided on the upper end side wall of the punch through groove; a punch convex block is provided on the upper end of the base body, and the punch convex block is clamped in the punch clamping groove, and the base body passes through the punch through groove; A punch pad, the punch pad is connected and fixed on the top of the punch clamp to cover the punch through groove; The upper mold plate is provided with a groove, and the punch pad is installed in the groove; the stripper plate is provided with a clamping plate avoidance groove corresponding to the groove, and the punch clamping plate can be inserted into the clamping plate avoidance groove.

9. The punching and punching integrated die according to claim 7, characterized in that: The upper mold assembly also includes an upper pad and an upper support plate; the upper pad is connected between the upper mold plate and the upper support plate; The lower mold assembly also includes a lower pad and a lower supporting plate; the lower pad is connected between the second lower mold plate and the lower supporting plate.

10. A sheet material processing equipment, characterized in that: include: A press and a punching and punching integrated die as described in any one of claims 1 to 9; the punching and punching integrated die is installed on the press.

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