Metal sheet punching and cutting jig

Abstract

The utility model discloses a metal sheet punching and cutting jig which comprises a punching seat, a pressing structure and a punching driving mechanism driving the punching seat to press downwards, the pressing structure is installed on the punching seat, the punching driving mechanism is installed on a base, and the base is provided with a conveying track used for conveying a material belt. The material belt comprises a plurality of products and a bearing belt, the products are arranged in the length direction of the material belt, the products and the bearing belt are connected through discontinuous strips, a punch and an annular cutting knife are installed on the lower surface of the punching base, the lower end of the punch is lower than the lower end of the cutting knife, and the cutting knife is arranged on the lower surface of the punching base. And the cutting knife corresponds to the discontinuous strip. In the downward pressing process of the punching seat, the pressing block firstly presses the bearing belt, the punch firstly punches a product, and then the cutting knife cuts the discontinuous strip to separate the product from the bearing belt, so that the processing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cutting technical field, especially a kind of metal sheet punching cutting jig. BACKGROUND

[0002] Connectors are widely used in various electronic devices for electrical connection between various electronic components, which includes a plurality of metal contact pieces and plastic shell covered on the metal contact pieces, and the plastic shell is covered on the metal contact pieces by injection molding, and the metal contact pieces are usually produced and processed in the production line in the form of a material belt.

[0003] The traditional metal contact piece needs to be cut from the material belt before production, and punching and other operations are performed at specific positions of the metal contact piece, multiple stations are required, station switching is required for operation, and the efficiency is low. INVENTION CONTENTS

[0004] The utility model mainly solves the technical problem to provide a kind of metal sheet punching cutting jig, in the process of pressing down of punching seat, first, the pressing block is pressed tightly to the bearing belt, then the punch is punched to the product, and then the cutting knife is cut to the intermittent strip to separate the product from the bearing belt, to improve the processing efficiency.

[0005] To solve the above technical problems, the utility model adopts one technical scheme: a kind of metal sheet punching cutting jig, including punching seat, pressing material structure and driving the punching driving mechanism of the punching seat pressing down, the pressing material structure is installed in the punching seat, the punching driving mechanism is installed in base, the base is installed with the conveying track for conveying material belt;

[0006] The material belt includes a plurality of products and bearing belts, the products are arranged along the length direction of the material belt, and the products are connected with the bearing belts through intermittent strips, the lower surface of the punching seat is provided with a punch and an annular cutting knife, the lower end of the punch is lower than the lower end of the cutting knife, and the cutting knife corresponds to the intermittent strip, in the process of pressing down of punching seat, the punch is first punched to the product, then the cutting knife is cut to the intermittent strip to separate the product from the bearing belt, and punching and cutting can be completed at one time, to improve the processing efficiency;

[0007] The pressing material structure includes two pressing blocks and two springs, the two pressing blocks are located on the opposite sides of the punching seat respectively, the pressing block is connected with connecting rod, the punching seat is provided with mounting hole, the connecting rod is installed in the mounting hole, and the spring is arranged between the connecting rod and the top surface of the mounting hole to press the bearing belt with the pressing block, so that the bearing belt is always pressed by the pressing block during punching and cutting, to prevent the bearing belt from moving during punching and cutting, and to ensure the cutting quality.

[0008] Further, the pressing block is a U-shaped pressing block, and the two pressing blocks jointly form a back-shaped structure to press the carrying belt around the product and prevent the carrying belt from moving.

[0009] Further, the punching seat has a guide slot, and the two connecting rods are threadedly connected to guide rods inside the guide slot, and the guide rods can slide up and down along the direction of the guide slot.

[0010] Further, the conveying track is provided with a blanking groove corresponding to the product.

[0011] Further, the lower side of the material belt is provided with a supporting sliding block having two supporting arms for supporting the product, and the two supporting arms are respectively located on the two sides of the punch, the supporting sliding block is connected with a horizontal pushing cylinder, the horizontal pushing cylinder is fixed to the base, when punching, the horizontal pushing cylinder pushes the supporting arms to the lower side of the product to support the product and prevent the broken piece from being broken when the punch intermittently punches.

[0012] Further, the conveying track is provided with a blanking groove corresponding to the product.

[0013] Further, the punching driving mechanism comprises a mounting plate and a cutting driving cylinder, the punching seat is connected with the cutting driving cylinder, the cutting driving cylinder is fixed to the mounting plate, the mounting plate is connected with the upper end of the guide rod, and the lower end of the guide rod penetrates through the punching seat and is fixed to the base.

[0014] Further, the upper side of the conveying track is fixed with two pressing plates, the two pressing plates are arranged along the length direction of the conveying track, and the two pressing plates are respectively located on the two sides of the conveying track, and the pressing plate and the conveying track jointly form a limiting groove.

[0015] Further, the lower side of the conveying track is provided with a material guide plate, the material guide plate is fixed to the base, the material guide plate is provided with a blanking hole corresponding to the punch, and the lower side of the material guide plate is provided with a waste collecting groove and a product collecting groove, and the waste collecting groove corresponds to the blanking hole.

[0016] Further, the material guide plate is arranged in an inclined manner, the waste of punching directly falls into the waste collecting groove, and the product falls into the product collecting groove along the material guide plate.

[0017] The utility model has at least the following advantages:

[0018] The product of the utility model is arranged along the length direction of the material belt, and the product and the bearing belt are connected through the intermittent strip, the lower surface of the punching seat is provided with a punch and an annular cutting knife, the lower end of the punch is lower than the lower end of the cutting knife, the cutting knife corresponds to the intermittent strip, in the process of pressing the punching seat, the punch first punches the product, and then the cutting knife cuts the intermittent strip to separate the product from the bearing belt, the punching and cutting can be completed at one time, the processing efficiency is improved, and the pressing structure comprises two pressing blocks and two springs, the pressing block is connected with the connecting rod, the connecting rod is installed in the mounting hole, and the spring is arranged between the top surface of the connecting rod and the mounting hole to press the bearing belt, the pressing block always presses the bearing belt during the punching and cutting process, the bearing belt is prevented from moving during the punching and cutting process, and the cutting quality is guaranteed;

[0019] The pressing block of the utility model is a U-shaped pressing block, and the two pressing blocks jointly form a back-shaped shape, so that the bearing belt around the product is pressed tightly to prevent the bearing belt from moving;

[0020] The lower portion of the material belt is provided with a supporting sliding block, the supporting sliding block has two supporting arms for supporting the product, the two supporting arms are located on the two sides of the punch respectively, the supporting sliding block is connected with the horizontal push cylinder, the horizontal push cylinder is fixed to the base, when punching, the horizontal push cylinder pushes the supporting arm to the lower portion of the product to support the product, and the intermittent strip is prevented from breaking when the punch punches;

[0021] The lower portion of the conveying track is provided with a guide plate, the guide plate is fixed to the base, the guide plate is provided with a blanking hole corresponding to the punch, the lower portion of the guide plate is provided with a waste collecting groove and a product collecting groove, the waste collecting groove corresponds to the blanking hole, the waste of punching directly falls into the waste collecting groove, and the product falls into the product collecting groove along the guide plate. ACCURACY

[0022] Figure 1 It is the structure schematic view of the utility model;

[0023] Figure 2 It is one of the sectional views of the utility model;

[0024] Figure 3 It is the structure schematic view of the supporting sliding block of the utility model;

[0025] Figure 4 It is the second sectional view of the utility model;

[0026] Figure 5 It is the Figure 4 The enlarged view of A of the utility model;

[0027] Figure 6 It is the Figure 4 The enlarged view of B of the utility model;

[0028] Figure 7 This is a schematic diagram of the punching seat and pressing structure of this utility model;

[0029] Figure 8 This is a schematic diagram of the conveying track of this utility model;

[0030] Figure 9 This is a schematic diagram of the material strip of this utility model;

[0031] The parts in the attached diagram are labeled as follows:

[0032] 1. Punching seat; 11. Punch; 12. Cutting blade; 13. Mounting hole; 14. Guide groove; 21. Mounting plate; 22. Cutting drive cylinder; 23. Guide rod; 3. Base; 41. Product; 42. Carrying belt; 43. Intermittent strip; 5. Conveying track; 51. Drop chute; 52. Clearance groove; 53. Pressure plate; 54. Limiting groove; 61. Pressure block; 62. Spring; 63. Connecting rod; 64. Guide rod; 71. Support slider; 72. Support arm; 73. Flat push cylinder; 8. Guide plate; 81. Drop hole; 91. Waste collection trough; 92. Product collection trough. Detailed Implementation

[0033] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0034] Example: A punching and cutting fixture for metal sheets, such as Figure 1 As shown, it includes a punching seat 1, a pressing structure, and a punching drive mechanism for driving the punching seat 1 to press down. The pressing structure is installed on the punching seat 1, the punching drive mechanism is installed on the base 3, and the base 3 is equipped with a conveying track 5 for conveying the material belt.

[0035] In practice, the material belt is driven to move on the conveyor track by the feeding mechanism. Since the feeding mechanism is existing technology, it will not be described in detail in this embodiment.

[0036] like Figure 9 As shown, the conveyor belt includes a plurality of products 41 and a carrier belt 42. The products 41 are arranged along the length of the conveyor belt, and the products 41 and the carrier belt 42 are connected by discontinuous strips 43, as shown. Figure 7 As shown, a punch 11 and an annular cutting blade 12 are mounted on the lower surface of the punching seat 1. The lower end of the punch 11 is lower than the lower end of the cutting blade 12. The cutting blade 12 corresponds to the discontinuous strip 43.

[0037] The pressing structure comprises two pressing blocks 61 and two springs 62, the two pressing blocks 61 are respectively arranged on the opposite sides of the punching seat 1, the pressing block 61 is connected with a connecting rod 63, the punching seat 1 is provided with a mounting hole 13, the connecting rod 63 is mounted on the mounting hole 13, and the spring 62 is arranged between the connecting rod 63 and the top surface of the mounting hole 13 so as to press the bearing belt 42 by the pressing block 61.

[0038] The pressing block 61 is a U-shaped pressing block 61, and the two pressing blocks 61 jointly form a back-shaped structure.

[0039] As shown in the drawings, Figure 5 The punching seat 1 is provided with a guide groove 14, the two connecting rods 63 are both threadedly connected with a guide rod 64, the guide rod 64 is arranged in the guide groove 14, and the guide rod 64 can slide up and down along the direction of the guide groove 14.

[0040] As shown in the drawings, Figure 4 The conveying track 5 is provided with a material falling groove 51 corresponding to the product 41.

[0041] As shown in the drawings, Figure 2 As shown in the drawings, Figure 3 The lower side of the material belt is provided with a supporting sliding block 71, the supporting sliding block 71 has two supporting arms 72 for supporting the product 41, the two supporting arms 72 are respectively arranged on the two sides of the punch 11, the supporting sliding block 71 is connected with a horizontal pushing air cylinder 73, and the horizontal pushing air cylinder 73 is fixed to the base 3.

[0042] As shown in the drawings, Figure 8 The conveying track 5 is provided with a giving-up groove 52 matched with the supporting arm 72.

[0043] The punching driving mechanism comprises a mounting plate 21 and a cutting driving air cylinder 22, the punching seat 1 is connected with the cutting driving air cylinder 22, the cutting driving air cylinder 22 is fixed to the mounting plate 21, the mounting plate 21 is connected with the upper end of a guide rod 23, and the lower end of the guide rod 23 penetrates through the punching seat 1 and is fixed to the base 3.

[0044] The upper side of the conveying track 5 is fixed with two pressing plates 53, the two pressing plates 53 are arranged along the length direction of the conveying track 5, and the two pressing plates 53 are respectively arranged on the two sides of the conveying track 5, and the pressing plate 53 and the conveying track 5 jointly form a limiting groove 54.

[0045] As shown in the drawings, Figure 6As shown, the lower part of the conveying track 5 is provided with a material guide plate 8, which is fixed to the base 3, and is provided with a blanking hole 81 corresponding to the punch 11.

[0046] In particular implementation, the diameter of the blanking hole is larger than that of the punch, so that the waste material can fall into the waste collecting groove.

[0047] The material guide plate 8 is arranged obliquely.

[0048] In particular implementation, the lower side of the obliquely arranged material guide plate is above the product collecting groove, so that the product can be collected.

[0049] The working principle of the utility model is as follows: the translation air cylinder pushes the supporting arm to the lower part of the product, the supporting arm supports the product, the cutting driving air cylinder drives the punching seat to press down, the pressing block is pressed tightly to the bearing belt under the action of the spring, the punching seat continues to descend, the spring is compressed under stress, the punch first punches the product, the waste material of the punching is directly dropped into the waste collecting groove, then the translation driving air cylinder drives the supporting arm of the supporting sliding block to reset, the punching seat continues to descend, the cutting knife cuts the intermittent strip to separate the product from the bearing belt, the product falls into the product collecting groove along the material guide plate.

[0050] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct or indirect application in other related technical fields based on the content of the utility model specification and drawings are also included in the patent protection range of the utility model.

Claims

1. A metal sheet piercing and cutting jig, characterized by: The punch seat (1), the pressing structure and the punch driving mechanism for driving the punch seat to press down, the pressing structure is installed on the punch seat, the punch driving mechanism is installed on the base (3), the base is installed with the conveying track (5) for conveying the material belt; The material belt includes a plurality of products (41) and a carrier belt (42), the products are arranged along the length direction of the material belt, and the products and the carrier belt are connected through the intermittent strip (43), the lower surface of the punch seat is provided with the punch (11) and the annular cutting knife (12), the lower end of the punch is lower than the lower end of the cutting knife, and the cutting knife corresponds to the intermittent strip; The pressing structure includes two pressing blocks (61) and two springs (62), the two pressing blocks are respectively located on the opposite sides of the punch seat, the pressing blocks are connected with the connecting rod (63), the punch seat is provided with the mounting hole (13), the connecting rod is installed in the mounting hole, and the spring is arranged between the connecting rod and the top surface of the mounting hole to press the carrier belt.

2. The metal sheet piercing and cutting jig according to claim 1, characterized by: The pressing blocks are U-shaped pressing blocks, and the two pressing blocks jointly form a back-shaped structure.

3. The metal sheet piercing and cutting jig according to claim 1, characterized by: The punch seat is provided with a guide groove (14), the two connecting rods are threadedly connected with the guide rod (64), the guide rod is located in the guide groove, and the guide rod can slide up and down along the direction of the guide groove.

4. The metal sheet piercing and cutting jig according to claim 1, characterized by: The conveying track is provided with the material falling groove (51) corresponding to the product.

5. The metal sheet piercing and cutting tool according to claim 1, wherein: The lower side of the material belt is provided with the supporting sliding block (71), the supporting sliding block has two supporting arms (72) for supporting the product, the two supporting arms are respectively located on the two sides of the punch, the supporting sliding block is connected with the horizontal push air cylinder (73), and the horizontal push air cylinder is fixed to the base.

6. The metal sheet piercing and cutting jig according to claim 5, characterized by: The conveying track is provided with the accommodation groove (52) matched with the supporting arm.

7. The metal sheet piercing and cutting tool according to claim 1, wherein: The punch driving mechanism includes the mounting plate (21) and the cutting driving air cylinder (22), the punch seat is connected with the cutting driving air cylinder, the cutting driving air cylinder is fixed to the mounting plate, the mounting plate is connected with the upper end of the guide rod (23), and the lower end of the guide rod is fixed to the base through the punch seat.

8. The metal sheet piercing and cutting jig according to claim 7, characterized by: The upper side of the conveying track is fixed with the two pressing plates (53), the two pressing plates are arranged along the length direction of the conveying track, and the two pressing plates are respectively located on the two sides of the conveying track, and the pressing plates and the conveying track jointly form the limiting groove (54).

9. The metal sheet piercing and cutting tool of claim 1, wherein: The lower side of the conveying track is provided with the material guide plate (8), the material guide plate is fixed to the base, the material guide plate is provided with the material falling hole (81) corresponding to the punch, and the lower side of the material guide plate is provided with the waste collecting groove (91) and the product collecting groove (92).

10. The metal sheet piercing and cutting tooling jig of claim 9, wherein: The material guide plate is arranged in an inclined mode.

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