CN214236255U

CN214236255U - Trimming die with double-blade opposite shearing structure

Info

Publication number: CN214236255U
Application number: CN202022725481.6U
Authority: CN
Inventors: 胡岗; 李东波; 刘杰; 王加军
Original assignee: Ningbo Jiye Automobile Components Die Casting Co ltd
Current assignee: Ningbo Jiye Automobile Components Die Casting Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-09-21
Anticipated expiration: 2030-11-23

Abstract

The utility model relates to a cut off die with double knives mouth is to cutting structure, including upper die base and die holder, upper die base lower extreme mid-mounting has gliding die from top to bottom, the multirow loose pin has been arranged to the upper die base upper end, the cover has the spring on the loose pin, the loose pin lower extreme links to each other with the die, the cutter is installed in the place ahead that the upper die base lower extreme is located the die, a locking piece is respectively installed to the both sides that the upper die base lower extreme is located cutter the place ahead, die holder upper end mid-mounting has the terrace die, the die holder upper end is located the vertical baffle of installing in the place ahead of terrace die, the die holder upper end is located and installs gliding slider around between terrace die and the baffle, the rear end on slider upper portion is equipped with the bottom tool, two uide pins have been arranged side by side on the baffle, the cover has the spring on the uide pin, the one end of uide pin is passed the baffle and is linked to each other with the slider. The utility model discloses can improve the foundry goods and cut when cutting edge and lack, cut and split and surely warp the scheduling problem, and make things convenient for the foundry goods to take out.

Description

Trimming die with double-blade opposite shearing structure

Technical Field

The utility model relates to the technical field of mold, especially, relate to a cut off die with two edges of a knife are to cutting the structure.

Background

Most of the castings of the shells are formed and most of the castings have waste materials of a pouring and discharging system, and the waste materials need to be cut off. The traditional trimming die is usually an upper die blade or a lower die blade, and the casting pouring and discharging system is removed by punching with the single-blade structure, so that problems easily occur, such as the problems of trimming lack, cutting crack, cutting deformation and the like during punching, and the casting cannot be taken out after trimming possibly.

Disclosure of Invention

The utility model aims to solve the technical problem that a cut off die with double knives edge is to cutting the structure is provided, can improve the casting lack of cut, cut and split and surely warp the scheduling problem when cutting edge, and make things convenient for the casting to take out.

The utility model provides a technical scheme that its technical problem adopted is: the trimming die with the double-edge opposite shearing structure comprises an upper die base and a lower die base, wherein a female die capable of sliding up and down is arranged in the middle of the lower end of the upper die base, a plurality of rows of movable pins are arranged at the upper end of the upper die base, springs are sleeved on the movable pins, the lower ends of the movable pins are connected with the female die, an upper cutter is arranged at the lower end of the upper die base, which is positioned in front of the female die, two locking blocks are respectively arranged at two sides of the lower end of the upper die base, which is positioned in front of the upper cutter, an upper slope is arranged at the rear end of the lower part of each locking block, a male die is arranged in the middle of the upper end of the lower die base, a baffle is vertically arranged at the upper end of the lower die base, a sliding block capable of sliding back and forth is arranged between the male die and the baffle, a lower slope matched with the upper slope is arranged at the front end of the upper part of the sliding block, a lower cutter is arranged at the rear end of the upper part of the sliding block, and two guide pins are arranged on the baffle side by side, the guide pin is sleeved with a spring, and one end of the guide pin penetrates through the baffle plate to be connected with the sliding block.

As right technical scheme a supplement, four corners department of upper die base lower extreme all install a guide pin bushing, four corners department of die holder upper end all install the guide pillar that matches with the guide pin bushing.

As right technical scheme a supplement, die holder upper end be located the both sides of slider and respectively install a slide rail.

As a supplement to the technical solution of the present invention, the lower tool is embedded in the slider and fixed by a fastener.

As right technical scheme a supplement, last die holder lower extreme be located the die outside cover and have an annular cutter fixing base, last cutter install on cutter fixing base.

Has the advantages that: the utility model relates to a cut off die with two edges of a knife are to cutting the structure, the bottom tool adopts the movable structure that sideslips, in the use, through the locking piece pushes away when the compound die and closes, and the edge of a knife of bottom tool closes into when the compound die, and the edge of a knife of bottom tool and the edge of a knife of last cutter are to cutting from top to bottom, get rid of and water the arranging system, and the bottom tool passes through the spring and resets during the die sinking, makes things convenient for the foundry goods to take out. The utility model adopts the upper and lower opposite scissors of the edge of a knife of the lower cutter and the edge of a knife of the upper cutter, and can improve the problems of cutting, splitting, cutting deformation and the like when the casting is trimmed.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the upper die base according to the present invention;

fig. 3 is a schematic structural view of the lower die holder according to the present invention;

fig. 4 is a schematic structural diagram of the slider according to the present invention.

The figure is as follows: 1. the device comprises an upper die holder, 2, a lower die holder, 3, a locking block, 4, a guide pin, 5, a spring, 6, a baffle, 7, a sliding block, 8, a movable pin, 9, a female die, 10, an upper cutter, 11, an upper slope, 12, a guide sleeve, 13, a male die, 14, a lower cutter, 15, a guide pillar, 16, a slide rail, 17, a lower slope, 18 and a cutter fixing seat.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

The embodiment of the utility model relates to a trimming die with a double-edge opposite shearing structure, as shown in figures 1-4, comprising an upper die base 1 and a lower die base 2, wherein a die 9 capable of sliding up and down is arranged in the middle of the lower end of the upper die base 1, a plurality of rows of movable pins 8 are arranged at the upper end of the upper die base 1, a spring 5 is sleeved on each movable pin 8, the lower end of each movable pin 8 is connected with the die 9, an upper cutter 10 is arranged at the lower end of the upper die base 1 in front of the die 9, two locking blocks 3 are respectively arranged at two sides of the lower end of the upper die base 1 in front of the upper cutter 10, an upper slope 11 is arranged at the rear end of the lower part of each locking block 3, a male die 13 is arranged at the middle of the upper end of the lower die base 2, a baffle 6 is vertically arranged at the upper end of the male die 13, a sliding block 7 which slides, the front end of the upper part of the sliding block 7 is provided with a lower slope 17 matched with the upper slope 11, the rear end of the upper part of the sliding block 7 is provided with a lower cutter 14, the baffle 6 is provided with two guide pins 4 side by side, the guide pins 4 are sleeved with springs 5, and one ends of the guide pins 4 penetrate through the baffle 6 to be connected with the sliding block 7.

The casting to be processed is placed on a convex die 13 of a lower die holder 2, then the upper die holder 1 and the concave die 9 are controlled to move downwards, after the concave die 9 and the convex die 13 are matched to press the casting, the concave die 9 stops moving downwards, the upper die holder 1 continues moving downwards, a locking block 3 of the upper die holder 1 extrudes a lower slope 17 of a sliding block 7 through an upper slope 11, the sliding block 7 moves backwards until a lower tool 14 and an upper tool 10 are sheared, a knife edge of the lower tool 14 and a knife edge of the upper tool 10 are sheared up and down, a casting arrangement system of the casting is removed, then the upper die holder 1 and the concave die 9 are controlled to move upwards, the lower tool 14 is reset through a spring 5, and the casting is convenient to take out.

Guide sleeves 12 are respectively arranged at four corners of the lower end of the upper die holder 1, and guide posts 15 matched with the guide sleeves 12 are respectively arranged at four corners of the upper end of the lower die holder 2. The guide post 15 is matched with the guide sleeve 12, so that the position precision between the upper die holder 1 and the lower die holder 2 is ensured.

The upper end of the lower die holder 2 is provided with a slide rail 16 at each of two sides of the slide block 7.

The lower cutter 14 is embedded in the slide block 7 and fixed by a fastener.

The lower end of the upper die holder 1 is positioned on the outer side of the female die 9 and sleeved with an annular tool fixing seat 18, and the upper tool 10 is installed on the tool fixing seat 18. The tool fixing seat 18 not only serves as a guide function for the up-and-down sliding of the female die 9, but also facilitates the fixed installation of the upper tool 10.

The lower cutter 14 and the upper cutter 10 are spliced. The knife edge of the lower cutter 14 is also provided with an automatic air blowing device, the casting is taken out after the die is opened under the control of a PLC (programmable logic controller), and the air blowing device is started to blow off sundries on the surface of the die, so that the casting is prevented from being pressed and deformed and damaged by the die.

Claims

1. The utility model provides a cut off die with two edges of a knife are to cutting structure, includes upper die base (1) and die holder (2), its characterized in that: the die is characterized in that a female die (9) capable of sliding up and down is installed in the middle of the lower end of the upper die base (1), a plurality of rows of movable pins (8) are arranged at the upper end of the upper die base (1), springs (5) are sleeved on the movable pins (8), the lower ends of the movable pins (8) are connected with the female die (9), an upper cutter (10) is installed at the lower end of the upper die base (1) in front of the female die (9), locking blocks (3) are respectively installed at two sides of the lower end of the upper die base (1) in front of the upper cutter (10), an upper slope (11) is arranged at the rear end of the lower portion of each locking block (3), a male die (13) is installed in the middle of the upper end of the lower die base (2), a baffle (6) is vertically installed at the upper end of the male die (13), a sliding block (7) capable of sliding back and forth is installed at the upper end of the lower die base (2) between the male die (13) and the baffle (6), the front end of the upper portion of the sliding block (7) is provided with a lower slope (17) matched with the upper slope (11), the rear end of the upper portion of the sliding block (7) is provided with a lower cutter (14), the baffle (6) is provided with two guide pins (4) in parallel, the guide pins (4) are sleeved with springs (5), and one end of each guide pin (4) penetrates through the baffle (6) to be connected with the sliding block (7).

2. The trimming die having a double-edge double-shear structure according to claim 1, wherein: guide sleeves (12) are respectively arranged at four corners of the lower end of the upper die base (1), and guide posts (15) matched with the guide sleeves (12) are respectively arranged at four corners of the upper end of the lower die base (2).

3. The trimming die having a double-edge double-shear structure according to claim 1, wherein: and the upper end of the lower die holder (2) is provided with a sliding rail (16) at each of two sides of the sliding block (7).

4. The trimming die having a double-edge double-shear structure according to claim 1, wherein: the lower cutter (14) is embedded in the sliding block (7) and fixed through a fastener.

5. The trimming die having a double-edge double-shear structure according to claim 1, wherein: the lower end of the upper die holder (1) is positioned on the outer side of the female die (9) and sleeved with an annular tool fixing seat (18), and the upper tool (10) is installed on the tool fixing seat (18).