Notch punching die for T-shaped side plate of battery shell

Abstract

A notch punching die for a T-shaped side plate of a battery shell relates to a stamping die and comprises an upper die and a lower die, and the upper die comprises an upper die plate, an upper fixing plate and a pressing plate; the lower die comprises a concave die plate, a lower die plate and a positioning plate; two opposite T-shaped punches are symmetrically fixed to the lower portion of the upper fixing plate through punch fixing sleeves, the large ends of the T-shaped punches are clamping installation ends, the small ends of the T-shaped punches are blade ends, and the distance between the small ends of the two T-shaped punches is the distance L between notches in the two sides of a workpiece. The pressing plate is provided with a channel allowing the T-shaped punch to penetrate through conveniently. The concave template is provided with two symmetrical cavities, and the cavities are matched with the T-shaped punches; the positioning plate is installed on the workbench, and a positioning groove used for positioning and installing a workpiece is formed in the positioning plate in the axial direction. The two symmetrical and opposite T-shaped punches are driven by the upper die to move downwards, notches in the two sides of a workpiece can be punched, and the punching die is easy to operate, has the advantages of being high in size precision, capable of reducing the rejection rate and the like, and is easy to apply and popularize.

Description

TECHNICAL FIELD

[0001] The utility model relates to a stamping die, in particular to a battery shell T type side plate notching die. BACKGROUND

[0002] There are many kinds of industrial aluminum profile equipment frames prepared from aluminum profiles, such as a T type side plate of a new energy battery shell of an automobile, which needs to be symmetrically machined with a notch on both side surfaces to meet the installation requirements (see Figures 1-3 The existing machining method is to use CNC machining, but since the depth of the notch is small and the distance L between the two notches is also narrow, the operation is difficult, the dimensional accuracy is low, and waste products are easily produced during machining, which is difficult to meet the machining requirements. SUMMARY

[0003] The utility model wants to solve the technical problem: provide a battery shell T type side plate notching die to solve the above-mentioned operation difficulty, low dimensional accuracy, waste product, difficult to meet the machining requirements of the deficiencies of prior art.

[0004] The technical scheme for solving the above technical problems is: a battery shell T type side plate notching die, including upper die, lower die, the upper die includes upper die plate, upper fixed plate, pressing plate, the lower die includes concave die plate, lower die plate, the upper fixed plate is fixed with two opposite T-shaped punches through punch fixed sleeve below, the big end of T-shaped punch is clamping installation end, the small end of T-shaped punch is blade end, the distance between the small end of the two T-shaped punches is the distance L between the two side notches of the workpiece, the pressing plate is provided with a passage for the T-shaped punch to pass through, the concave die plate is provided with two symmetrical cavities, and the cavity is matched with the T-shaped punch.

[0005] The further technical scheme of the utility model is: the lower die further includes a positioning plate, the positioning plate is installed on the lower die plate, the positioning plate is provided with a positioning groove in the axial direction, and the workpiece is installed in the positioning groove.

[0006] The further technical scheme of the utility model is: the positioning plate includes a first positioning plate, a second positioning plate, a third positioning plate and a fourth positioning plate, the first positioning plate is used for positioning and installing the overhanging part of the workpiece, the second positioning plate is used for positioning and installing the bottom part of the workpiece, the third positioning plate is used for positioning and installing the reference end surface part of the workpiece, and the fourth positioning plate is used for positioning and installing the side surface part of the workpiece.

[0007] The further technical scheme of the utility model is that an upper backing plate is further installed between the upper die plate and the upper fixed plate.

[0008] The further technical scheme of the utility model is that a lower backing plate is further installed between the concave die plate and the lower die plate.

[0009] The further technical scheme of the utility model discloses: the mould still includes unloading guide device, unloading guide device including unloading guide column, unloading guide bushing, unloading guide column install on the lower mould plate of lower mould, the unloading guide bushing install on the upper die plate bottom of upper mould, when the mould closes, this unloading guide bushing and unloading guide column mutually cooperate and connect.

[0010] The further technical scheme of the utility model discloses: still install the spring for pressing material and material on the upper die plate bottom of upper mould, still install the equal height screw rod for limiting on the upper die plate bottom.

[0011] The further technical scheme of the utility model discloses: still install the pressure plate insert in the passageway of pressure plate, still install the concave die insert in the cavity of concave die plate.

[0012] Compared with the prior art, the battery shell T-shaped side plate notching die has the following beneficial effects:

[0013] 1. simple operation

[0014] The utility model discloses a stamping die is used to punch the notching of workpiece, and two symmetrical T-shaped punches are fixed to the upper die through punch fixing sleeve, the big end of T-shaped punch is clamping installation end, and the small end of T-shaped punch is blade end, and the distance between the two small ends of T-shaped punch is the distance L between the notching of workpiece two sides, and two symmetrical cavities are arranged on the concave die plate of lower mould, and the cavity cooperates with T-shaped punch. Therefore, the utility model discloses two symmetrical T-shaped punches are driven to move downward by upper die, and the notching of workpiece two sides can be punched, and the operation is relatively simple.

[0015] 2. high dimensional accuracy

[0016] The utility model discloses a stamping die is used to punch the notching of workpiece, and the accuracy of the size of die is guaranteed, and the machining accuracy of workpiece is guaranteed, therefore, the dimensional accuracy of the utility model is higher.

[0017] 3. can reduce the scrap rate, satisfy the processing requirement

[0018] Since the utility model can guarantee the dimensional accuracy, therefore, the scrap rate of product can be greatly reduced, and the processing requirement is satisfied.

[0019] 4. simple structure, low production cost, easy to popularization and application.

[0020] Below, the technical features of the battery shell T-shaped side plate notching die of the utility model are further explained in combination with the drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 : front view of workpiece - battery shell T-shaped side plate,

[0022] Figure 2 : Figure 1 : left view of workpiece,

[0023] Figure 3 : Figure 1 : bottom view of workpiece,

[0024] Figure 4 : structure diagram of battery shell T-shaped side plate gap punching die of the utility model,

[0025] Figure 5 : structure diagram of upper die (bottom view direction),

[0026] Figure 6 : structure diagram of lower die (top view direction);

[0027] In the above drawings, the respective reference signs are explained as follows:

[0028] 1 - upper die,

[0029] 11 - upper die plate, 12 - upper fixed plate, 13 - pressing plate, 131 - pressing plate insert, 14 - punch fixed sleeve,

[0030] 15 - T-shaped punch, 16 - upper backing plate, 17 - die handle, 18 - spring, 19 - equal height screw,

[0031] 2 - lower die,

[0032] 21 - concave die plate, 211 - concave die insert, 22 - lower die plate,

[0033] 23 - positioning plate, 231 - first positioning plate, 232 - second positioning plate, 233 - third positioning plate,

[0034] 234 - fourth positioning plate, 24 - lower backing plate, 25 - lower backing foot,

[0035] 3 - unloading guide device,

[0036] 31 - unloading guide column, 32 - unloading guide sleeve,

[0037] 4 - workpiece,

[0038] 41 - gap. DETAILED DESCRIPTION EMBODIMENT

[0039] Figures 4-6 Disclosed in the specification is a battery shell T-shaped side plate gap punching die, comprising an upper die 1, a lower die 2 and an unloading guide device 3, wherein:

[0040] The upper die 1 comprises an upper die plate 11, an upper cushion plate 16, an upper fixed plate 12 and a pressing plate 13 arranged from top to bottom, and the upper die plate 11, the upper cushion plate 16 and the upper fixed plate 12 are fixedly connected in sequence; a die handle 17 is installed on the upper die plate 11; two symmetrical T-shaped punches 15 are fixedly arranged on the lower side of the upper fixed plate 12 through a punch fixing sleeve 14, the large end of the T-shaped punch 15 is a clamping installation end, the small end of the T-shaped punch 15 is a blade end, and the distance between the small ends of the two T-shaped punches 15 is the distance L between the two side notches 41 of the workpiece 4; the pressing plate 13 is provided with a channel through which the T-shaped punch passes, and the pressing plate 13 is fixed on the upper fixed plate 12.

[0041] The lower die 2 comprises a concave die plate 21, a lower die plate 22, a positioning plate 23 and a lower cushion plate 24; the concave die plate 21 is provided with two symmetrical cavities which are matched with the T-shaped punches 15; the positioning plate 23 is installed on the lower die plate 22, and the positioning plate 23 is provided with a positioning groove in the axial direction, and the workpiece 4 is installed in the positioning groove; the positioning plate 23 comprises a first positioning plate 231, a second positioning plate 232, a third positioning plate 233 and a fourth positioning plate 234; the first positioning plate 231 is used for positioning and installing the overhanging part of the workpiece 4; the second positioning plate 232 is used for positioning and installing the bottom part of the workpiece; the third positioning plate 233 is used for positioning and installing the reference end surface part of the workpiece; and the fourth positioning plate 234 is used for positioning and installing the side surface part of the workpiece; the lower cushion plate 24 is installed between the concave die plate 21 and the lower die plate 22; and the lower die plate 22 is further provided with a lower cushion foot 25.

[0042] The unloading guide device 3 comprises an unloading guide column 31 and an unloading guide sleeve 32, the unloading guide column 31 is installed on the lower die plate 22 of the lower die 2, the unloading guide sleeve 32 is installed on the bottom of the upper die plate 11 of the upper die 1, and the unloading guide sleeve 32 and the unloading guide column 31 are matched and connected with each other when the mold is closed.

[0043] A spring 18 for pressing and discharging materials is further installed on the bottom of the upper cushion plate 16 of the upper die 1, and an equal-height screw rod 19 for limiting is further installed on the bottom of the upper die plate 11.

[0044] A pressing plate insert 131 is further installed in the channel through which the T-shaped punch passes in the pressing plate 13; and a concave die insert 211 is further installed in the cavity of the concave die plate 21, so as to be suitable for T-shaped punches of various specifications.

[0045] In the working process, the upper die drives the two symmetrical T-shaped punches to move downward, so that the notches on both sides of the workpiece can be punched.

Claims

1. A battery shell T-shaped side plate notching die, comprising an upper die (1) and a lower die (2), the upper die (1) comprises an upper die plate (11), an upper fixed plate (12) and a pressing plate (13); the lower die (2) comprises a concave die plate (21) and a lower die plate (22), characterized in that: The upper fixed plate (12) is symmetrically fixed with two opposite T-shaped punches (15) below through a punch fixing sleeve (14), the large end of the T-shaped punch (15) is a clamping installation end, the small end of the T-shaped punch (15) is a cutting edge end, and the distance between the small ends of the two T-shaped punches (15) is the distance L between the two sides of the workpiece (4); the pressing plate (13) is provided with a passage for the T-shaped punch to pass through; and the recessed die plate (21) is provided with two symmetric cavities, which are matched with the T-shaped punch (15).

2. The T-shaped side panel notching die for a battery case according to claim 1, wherein: The lower die further comprises a positioning plate (23) installed on the lower die plate (22), and the positioning plate (23) is provided with a positioning groove in the axial direction, and the workpiece (4) is installed in the positioning groove.

3. The T-shaped side panel notching die for a battery case according to claim 2, wherein: The positioning plate (23) comprises a first positioning plate (231), a second positioning plate (232), a third positioning plate (233) and a fourth positioning plate (234); the first positioning plate (231) is used for positioning and installing the overhanging part of the workpiece (4); the second positioning plate (232) is used for positioning and installing the bottom part of the workpiece; the third positioning plate (233) is used for positioning and installing the reference end surface part of the workpiece; and the fourth positioning plate (234) is used for positioning and installing the side surface part of the workpiece.

4. The T-shaped side panel notching die for a battery case according to claim 1, wherein: An upper backing plate (16) is further installed between the upper die plate (11) and the upper fixed plate (12).

5. The T-shaped side panel notching die for a battery case according to claim 1, wherein: A lower backing plate (24) is further installed between the recessed die plate (21) and the lower die plate (22).

6. The T-shaped side panel notching die for a battery case according to claim 1, wherein: The mold further comprises an unloading guide device (3), the unloading guide device (3) comprises an unloading guide column (31) and an unloading guide sleeve (32), the unloading guide column (31) is installed on the lower die plate (22) of the lower die (2), the unloading guide sleeve (32) is installed at the bottom of the upper die plate (11) of the upper die (1), and the unloading guide sleeve (32) and the unloading guide column (31) are connected with each other when the mold is closed.

7. The battery case T-shaped side panel hole-punching die according to claim 1, wherein: A spring (18) for pressing material and returning material is further installed at the bottom of the upper backing plate (16) of the upper die (1), and an equal-height screw (19) for limiting is further installed at the bottom of the upper die plate (11).

8. The T-shaped side panel notching die for a battery case according to claim 1, wherein: A pressing plate insert (131) is further installed in the passage of the pressing plate (13); and a recessed die insert (211) is further installed in the cavity of the recessed die plate (21).

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