Square shell composite die

Abstract

The utility model discloses a square shell composite die. The square shell composite die comprises an upper die base, a lower die base, an upper die body, a cutting die body, a forming die body and a retainer plate, wherein the upper die body is connected to the lower end portion of the upper die base, an upper forming channel is formed in the inner side of the upper die body, and the cutting die body and the forming die body are connected to the lower die base. The forming die body is arranged on the inner side of the cutting die body, a lower forming channel is arranged between the forming die body and the cutting die body, the material supporting plate is fixedly connected to the lower die base and used for supporting a material belt penetrating through the position between the upper die body and the cutting die body, an upper cutting part is arranged on the periphery of the upper die body, and a lower cutting part is arranged on the periphery of the lower die body. And a lower cutting part matched with the upper cutting part is arranged at the upper end part of the cutting die body. According to the utility model, the material belt can be prevented from floating up and down in the stamping process, so that the material belt can be prevented from being scratched and scratched due to pulling, and the feeding angle, precision and stability of the material belt can be ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a square shell composite mould. BACKGROUND

[0002] At present, square shell composite mould is a stamping die for processing square battery shell products, and the square shell composite mould comprises an upper die and a lower die, a material belt passes between the upper die and the lower die, and the lower die is fixed during the stamping process, while the upper die moves downward to close the mould, so that the material belt can be punched and stamped to obtain a square shell, and a material supporting plate for supporting the material belt is generally arranged on the lower die. Figure 1 , 2 However, as shown in the prior art, the material supporting plate moves downward together with the upper die during the closing process of the mould, and then moves upward to reset when the upper die moves upward to open the mould, so that the material belt supported by the material supporting plate will float up and down during the stamping process, and then be repeatedly pulled, which will easily scratch the material belt and cause scratches, and will also affect the angle, precision and stability of the material belt feeding. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem, provides a square shell composite mould, it can prevent the material belt from floating up and down during the stamping process, and then can avoid the material belt from being pulled and scratched, and can also ensure the angle, precision and stability of the material belt feeding.

[0004] In order to solve the above technical problem, the technical scheme of the utility model is as follows: a square shell composite mould, comprising an upper die seat, a lower die seat, an upper die body, a cutting die body, a forming die body and a material supporting plate.

[0005] The upper die body is connected to the lower end of the upper die seat, and the inner side of the upper die body is provided with an upper forming channel.

[0006] The cutting die body and the forming die body are respectively connected to the lower die seat, the forming die body is arranged on the inner side of the cutting die body, and a lower forming channel is arranged between the forming die body and the cutting die body.

[0007] The material supporting plate is fixedly connected to the lower die seat and is used for supporting the material belt passing between the upper die body and the cutting die body.

[0008] The outer peripheral part of the upper die body is provided with an upper cutting part, and the upper end of the cutting die body is provided with a lower cutting part matched with the upper cutting part.

[0009] The upper die body is used for extending into the lower forming channel when the upper die seat moves downward to close the mould, and the material belt is cut by the cooperation of the upper cutting part and the lower cutting part to obtain a formed material piece.

[0010] The forming die body is used to extend into the upper forming channel when the upper die base moves downward to close the mold, and the forming piece is punched and formed into a square shell by the cooperation of the forming die body and the upper die body.

[0011] Further, the material supporting plate is arranged around the outside of the lower cutting part, and the upper end surface of the lower cutting part is flush with the upper surface of the material supporting plate.

[0012] Further, in order to prevent the material supporting plate and the material belt from being adsorbed together, the upper surface of the material supporting plate is provided with a plurality of downwardly recessed grooves, and the adjacent grooves are provided with upwardly protruding ribs.

[0013] Further, the material supporting plate is fixedly connected to the lower die base through a plurality of columns, the lower end of the column is connected to the lower die base, and the upper end of the column is connected to the material supporting plate.

[0014] Further, the square shell composite mold further comprises a pressing ring and a first downward pressing driving element.

[0015] The pressing ring is slidably connected to the outside of the upper die body in the vertical direction.

[0016] The first downward pressing driving element is connected to the upper die base and is used to apply a downward pushing force to the pressing ring, and during the closing process, the pressing ring is used to abut against the upper surface of the material belt and then remains stationary by overcoming the pushing force of the first downward pressing driving element to keep the material belt tightly pressed on the lower cutting part, and during the opening process, the first downward pressing driving element is used to drive the pressing ring to move downward relative to the upper die body to reset.

[0017] Further, the first downward pressing driving element is a gas cylinder or a spring or a gas spring.

[0018] Further, the square shell composite mold further comprises a forming pressing plate and a second downward pressing driving element.

[0019] The forming pressing plate is slidably arranged in the upper forming channel in the vertical direction.

[0020] The second downward pressing driving element is connected to the upper die base and is used to apply a downward pushing force to the forming pressing plate, and during the closing process, the forming pressing plate is used to abut against the upper surface of the forming piece and then remains stationary by overcoming the pushing force of the second downward pressing driving element to keep the forming piece tightly pressed on the forming die body, and during the opening process, the second downward pressing driving element is used to drive the forming pressing plate to move downward relative to the upper die body to reset.

[0021] Further, the second downward pressing driving element is a gas cylinder or a spring or a gas spring.

[0022] Further, the square shell compound die further comprises a material pushing component and a material pushing driving element;

[0023] The material pushing component is arranged in the lower forming channel and slides in the up-down direction;

[0024] The material pushing driving element is connected to the lower die seat and is used to apply an upward pushing force to the material pushing component, when the upper die body enters the lower forming channel, the upper die body drives the material pushing component to move downward against the pushing force of the material pushing driving element, and when the upper die body exits the lower forming channel, the material pushing driving element is used to drive the material pushing component to move upward to reset.

[0025] Further, the material pushing driving element is a gas cylinder or a spring or a gas spring.

[0026] After the above technical scheme is adopted, the upper die seat and the lower die seat are used to be installed in a die press for use, the lower die seat is fixedly arranged, when the die is closed, the upper die seat moves downward to drive the upper die body to move downward, so that the upper die body enters the lower forming channel and the forming die body enters the upper forming channel, in this process, the upper cutting part on the upper die body cooperates with the lower cutting part on the cutting die body to cut the material belt to obtain a forming material piece, then the forming material piece is punched and formed under the cooperation of the forming die body and the upper die body to obtain a square shell, then the upper die seat moves upward to realize die opening. In the whole punching process, the material supporting plate always supports the material belt, since the material supporting plate is fixedly connected to the lower die seat, the material supporting plate supporting the material belt can keep the position of the material belt unchanged in the punching process, so as to avoid the material belt floating up and down in the punching process, thereby avoiding the material belt being repeatedly pulled to scratch and scratch, and also ensuring the angle, precision and stability of the material belt feeding, which can improve the speed and stability of punching square shells. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a structure schematic view of the prior art square shell compound die when the die is opened;

[0028] Figure 2 It is a structure schematic view of the prior art square shell compound die when the die is closed;

[0029] Figure 3 It is a perspective view of the square shell compound die of the utility model;

[0030] Figure 4 It is a structure schematic view of the square shell compound die of the utility model in the die opening state;

[0031] Figure 5 It is a structure schematic view of the square shell compound die of the utility model in the die closing state. DETAILED DESCRIPTION

[0032] In order to make the content of the utility model more easily be clearly understood, below according to specific embodiment and combining with the drawings, the utility model is further detailed.

[0033] As Figures 3 to 5 Indicated, a square shell composite die includes upper die seat 1, lower die seat 2, upper die body 3, cutting die body 4, forming die body 5 and material supporting plate 6;

[0034] The upper die body 3 is connected on the lower end of the upper die seat 1, and the inner side of the upper die body 3 is provided with an upper forming channel 7;

[0035] The cutting die body 4 and the forming die body 5 are respectively connected on the lower die seat 2, the forming die body 5 is arranged on the inner side of the cutting die body 4, and a lower forming channel is arranged between the forming die body 5 and the cutting die body 4;

[0036] The material supporting plate 6 is fixedly connected on the lower die seat 2 and is used for supporting the material belt 8 passing through between the upper die body 3 and the cutting die body 4;

[0037] The outer peripheral part of the upper die body 3 is provided with an upper cutting part 9, and the upper end of the cutting die body 4 is provided with a lower cutting part 10 matched with the upper cutting part 9;

[0038] The upper die body 3 is used for stretching into the lower forming channel when the upper die seat 1 moves downward to close the mold, and the upper cutting part 9 and the lower cutting part 10 are matched to cut the material belt 8 to obtain a forming material piece;

[0039] The forming die body 5 is used for stretching into the upper forming channel 7 when the upper die seat 1 moves downward to close the mold, and the forming die body 5 and the upper die body 3 are matched to stamp the forming material piece to obtain a square shell 11.

[0040] Specifically, the upper die holder 1 and the lower die holder 2 are used for being installed in a die press machine, the lower die holder 2 is fixedly arranged, when the die is closed, the upper die holder 1 moves downward to drive the upper die body 3 to move downward, so that the upper die body 3 extends into the lower forming channel and the forming die body 5 extends into the upper forming channel 7, in this process, the upper cutting part 9 on the upper die body 3 cooperates with the lower cutting part 10 on the cutting die body 4 to cut the material strip 8 to obtain a formed material piece, then the formed material piece is stamped and formed under the cooperation of the forming die body 5 and the upper die body 3 to obtain a square shell 11, then the upper die holder 1 moves upward to realize the die opening. In the whole stamping process, the material supporting plate 6 always supports the material strip 8, since the material supporting plate 6 is fixedly connected to the lower die holder 2, the material supporting plate 6 supporting the material strip 8 can keep the position of the material strip 8 unchanged during stamping, avoiding the material strip 8 floating up and down during stamping, thereby avoiding the material strip 8 being repeatedly pulled to scratch and scratch, and also ensuring the angle, precision and stability of the material strip 8 feeding, which can improve the speed and stability of stamping production of the square shell 11.

[0041] As shown in Figures 3 to 5 , the material supporting plate 6 is arranged around the outside of the lower cutting part 10, and the upper end surface of the lower cutting part 10 is flush with the upper surface of the material supporting plate 6.

[0042] As shown in Figure 3 , the upper surface of the material supporting plate 6 is provided with a plurality of downward recessed grooves 12, and the adjacent grooves 12 are provided with upward protruding ribs 13; specifically, the surface of the material strip 8 is coated with an oil film during production, and the grooves 12 and the ribs 13 are arranged to prevent the material strip 8 from being adsorbed with the material supporting plate 6.

[0043] As shown in Figure 3 , the material supporting plate 6 is fixedly connected to the lower die holder 2 through a plurality of columns 14, the lower end of the column 14 is connected to the lower die holder 2, and the upper end of the column 14 is connected to the material supporting plate 6.

[0044] As shown in Figures 3 to 5 , the square shell composite die can further include a pressing ring 15 and a first lower pressing driving member;

[0045] The pressing ring 15 is slidably connected to the outside of the upper die body 3 in the upward and downward direction;

[0046] The first downward pressing driving member is connected to the upper die seat 1 and is used to apply a downward pushing force to the pressing ring 15, which is used to abut against the upper surface of the material strip 8 during the clamping process and then to keep the position immovable against the pushing force of the first downward pressing driving member to keep the material strip 8 pressed on the lower cutting part 10, and the first downward pressing driving member is used to drive the pressing ring 15 to move downward relative to the upper die body 3 to reset when the clamping process is completed, and the pressing ring 15 moves upward together with the upper die seat 1 and the upper die body 3 after resetting. In the embodiment, the first downward pressing driving member is a pneumatic cylinder, which can play the role of a spring. Of course, in some embodiments, the first downward pressing driving member can also be a spring or a gas spring.

[0047] As shown in Figures 3 to 5 , the square shell compound die can further include a forming pressing plate 16 and a second downward pressing driving member 17.

[0048] The forming pressing plate 16 is slidably arranged in the upper forming channel 7 in the up-down direction.

[0049] The second downward pressing driving member 17 is connected to the upper die seat 1 and is used to apply a downward pushing force to the forming pressing plate 16, which is used to abut against the upper surface of the forming material piece during the clamping process and then to keep the position immovable against the pushing force of the second downward pressing driving member 17 to keep the forming material piece pressed on the forming die body 5, and the second downward pressing driving member 17 is used to drive the forming pressing plate 16 to move downward relative to the upper die body 3 to reset when the clamping process is completed, and the forming pressing plate 16 moves upward together with the upper die seat 1 and the upper die body 3 after resetting. In the embodiment, the second downward pressing driving member 17 is a pneumatic cylinder, which can play the role of a spring. Of course, in some embodiments, the second downward pressing driving member 17 can also be a spring or a gas spring.

[0050] As shown in Figures 3 to 5 , the square shell compound die can further include a material ejection component 18 and a material ejection driving member 19.

[0051] The material ejection component 18 is slidably arranged in the lower forming channel in the up-down direction.

[0052] The ejection driving member 19 is connected to the lower die seat 2 and is used to apply an upward pushing force to the ejection component 18, when the upper die body 3 extends into the lower forming channel, the upper die body 3 drives the ejection component 18 to move downward against the pushing force of the ejection driving member 19, when the upper die body 3 exits the lower forming channel, the ejection driving member 19 is used to drive the ejection component 18 to move upward to reset, thereby being able to eject the square shell 11 formed upward. In the embodiment, the ejection driving member 19 is a pneumatic cylinder, which can play the role of a spring. Of course, in some embodiments, the ejection driving member 19 can also be a spring or a gas spring.

[0053] Specifically, the lower die seat 2 is fixedly arranged, and during the clamping process, the upper die seat 1 moves downward to drive the upper die body 3, the pressing ring 15 and the forming pressing plate 16 to move downward. In the initial stage of clamping, the pressing ring 15 will abut against the upper surface of the material belt 8 and press the material belt 8 tightly on the lower cutting part 10, the upper cutting part 9 will cooperate with the lower cutting part 10 to cut the material belt 8 to obtain a forming material piece, and the forming pressing plate 16 will abut against the upper surface of the forming material piece and press the forming material piece tightly on the forming die body 5. Then the upper die seat 1 continues to move downward to make the upper die body 3 extend into the lower forming channel and make the forming die body 5 extend into the upper forming channel 7, during which the pressing ring 15 will keep in place against the pushing force of the first downward pressing driving member to keep the material belt 8 pressed tightly on the lower cutting part 10, the forming pressing plate 16 will keep in place against the pushing force of the second downward pressing driving member 17 to keep the forming material piece pressed tightly on the forming die body 5, when the upper die body 3 extends into the lower forming channel, the ejection component 18 will move downward against the pushing force of the ejection driving member 19, when the forming die body 5 extends into the upper forming channel 7, it will cooperate with the upper die body 3 to stamp the forming material piece to obtain a square shell 11. After clamping in place, the upper die seat 1 moves upward to realize the opening of the mold, during the opening process, the upper die body 3 exits the lower forming channel and the forming die body 5 exits the upper forming channel 7, at the same time, the first downward pressing driving member drives the pressing ring 15 to move downward relative to the upper die body 3 to reset, the second downward pressing driving member 17 drives the forming pressing plate 16 to move downward relative to the upper die body 3 to reset, and the ejection driving member 19 drives the ejection component 18 to move upward to reset, thereby being able to eject the square shell 11 formed upward, when the pressing ring 15 and the forming pressing plate 16 reset in place, they will move upward together with the upper die seat 1 and the upper die body 3, and finally complete the opening of the mold.

[0054] In summary, the upper die holder 1 and the lower die holder 2 are used for installation in a molding machine, the lower die holder 2 is fixedly arranged, when the mold is closed first, the upper die holder 1 moves downward to drive the upper die body 3 to move downward, so that the upper die body 3 extends into the lower forming channel and the forming die body 5 extends into the upper forming channel 7, in this process, the upper cutting part 9 on the upper die body 3 will cooperate with the lower cutting part 10 on the cutting die body 4 to cut the material belt 8 to obtain a formed material piece, then the formed material piece is stamped and formed under the cooperation of the forming die body 5 and the upper die body 3 to obtain a square shell 11, then the upper die holder 1 moves upward to realize mold opening. In the whole stamping process, the material supporting plate 6 always supports the material belt 8, since the material supporting plate 6 is fixedly connected to the lower die holder 2, so that the material supporting plate 6 supports the material belt 8 to keep the material belt 8 in position during stamping, avoiding the material belt 8 floating up and down during stamping, thereby avoiding the material belt 8 being repeatedly pulled to scratch and scratch, and also ensuring the angle, precision and stability of the material belt 8 feeding, which can improve the speed and stability of stamping square shell 11.

[0055] The above specific embodiments further illustrate the technical problems, technical solutions and beneficial effects solved by the utility model, and it should be understood that the above is only a specific embodiment of the utility model and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A square shell compound mold characterized by comprising: It comprises an upper die base (1), a lower die base (2), an upper die body (3), a cutting die body (4), a forming die body (5) and a material supporting plate (6); The upper die body (3) is connected to the lower end of the upper die base (1), and the inner side of the upper die body (3) is provided with an upper forming channel (7); The cutting die body (4) and the forming die body (5) are respectively connected to the lower die base (2), the forming die body (5) is arranged on the inner side of the cutting die body (4), and a lower forming channel is arranged between the forming die body (5) and the cutting die body (4); The material supporting plate (6) is fixedly connected to the lower die base (2) and is used for supporting the material belt (8) passing through between the upper die body (3) and the cutting die body (4); The outer peripheral part of the upper die body (3) is provided with an upper cutting part (9), and the upper end of the cutting die body (4) is provided with a lower cutting part (10) matched with the upper cutting part (9); The upper die body (3) is used for extending into the lower forming channel when the upper die base (1) moves downward to close the mold, and the material belt (8) is cut by the cooperation of the upper cutting part (9) and the lower cutting part (10) to obtain a formed material piece; The forming die body (5) is used for extending into the upper forming channel (7) when the upper die base (1) moves downward to close the mold, and the formed material piece is stamped and formed by the cooperation of the forming die body (5) and the upper die body (3) to obtain a square shell (11).

2. The square box split mold according to claim 1, wherein The material supporting plate (6) is arranged on the outer side of the lower cutting part (10), and the upper end surface of the lower cutting part (10) is flush with the upper surface of the material supporting plate (6).

3. The square box split mold according to claim 1, wherein The upper surface of the material supporting plate (6) is provided with a plurality of downward recessed grooves (12), and the adjacent grooves (12) are provided with upward protruding ribs (13).

4. The square box split mold according to claim 1, wherein The material supporting plate (6) is fixedly connected to the lower die base (2) through a plurality of columns (14), the lower end of the column (14) is connected to the lower die base (2), and the material supporting plate (6) is connected to the upper end of the column (14).

5. The square box split mold according to claim 1, wherein It also comprises a pressing ring (15) and a first downward pressing driving element; The pressing ring (15) is slidingly connected to the outer side of the upper die body (3) in the upward and downward directions; The first downward pressing driving element is connected to the upper die base (1) and is used for applying a downward pushing force to the pressing ring (15), and in the mold closing process, the pressing ring (15) is used for abutting against the upper surface of the material belt (8) and then keeping the position unchanged by overcoming the pushing force of the first downward pressing driving element to keep the material belt (8) pressed on the lower cutting part (10), and in the mold opening process, the first downward pressing driving element is used for driving the pressing ring (15) to move downward relative to the upper die body (3) to reset.

6. The square box split mold according to claim 5, wherein The first downward pressing driving element is a gas cylinder or a spring or a gas spring.

7. The square box split mold according to claim 1, wherein It also comprises a forming pressing plate (16) and a second downward pressing driving element (17); The forming pressing plate (16) is slidingly arranged in the upper forming channel (7) in the upward and downward directions; The second downward pressing driving member (17) is connected to the upper die seat (1) and is used to apply a downward pushing force to the forming pressure plate (16), which is used to tightly press against the upper surface of the forming piece during the clamping process and then to keep the position unchanged to press the forming piece on the forming die body (5) against the pushing force of the second downward pressing driving member (17), and is used to drive the forming pressure plate (16) to move downward relative to the upper die body (3) to reset during the opening process.

8. The square box split mold according to claim 7, wherein The second downward pressing driving member (17) is a gas cylinder or a spring or a gas spring.

9. The square box split mold according to claim 1, wherein A material ejecting member (18) and a material ejecting driving member (19) are further included. The material ejecting member (18) is slidably arranged in the lower forming channel in the up-down direction. The material ejecting driving member (19) is connected to the lower die seat (2) and is used to apply an upward pushing force to the material ejecting member (18), which is driven by the upper die body (3) to move downward against the pushing force of the material ejecting driving member (19) when the upper die body (3) extends into the lower forming channel, and is used to drive the material ejecting member (18) to move upward to reset when the upper die body (3) exits the lower forming channel.

10. The square box split mold according to claim 9, wherein The material ejecting driving member (19) is a gas cylinder or a spring or a gas spring.

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