CN219335615U - Detachable device with negative angle part forming function - Google Patents

Abstract

The utility model discloses a detachable device for forming a part with a negative angle, which comprises a movable drawing plate and conventional templates positioned on the upper side and the lower side of the movable drawing plate, wherein a plurality of upper die grooves and a plurality of lower die grooves are uniformly distributed between an upper die and an upper floating block and between a lower die and a lower floating block along the circumferential direction respectively; a movable drawing plate is detachably arranged in each groove, and the height of the movable drawing plate is higher than the depth of the groove in the corresponding upper die and the upper die; a plurality of springs are uniformly distributed between the upper die and the upper floating block and between the lower die and the lower floating block. According to the utility model, the movable drawing plate is added, so that the gap between the upper die and the lower die is adjusted, a set of dies can complete two-order forming, the forming efficiency of parts is improved, the movable drawing plate is convenient to mount and take out, the templates are matched with each other, and the die has a simple integral structure, low cost and high efficiency.

Description

Detachable device with negative angle part forming function

Technical Field

The utility model relates to the technical field of dies, in particular to a detachable device for forming a part with a negative angle.

Background

With the continuous improvement of the design performance of the aero-engine, the profile precision required for the damper parts is also higher and higher. At present, when the damper type part is expanded, the part profile is complex, and generally, multiple-sequence forming is needed, namely, multiple sets of dies are needed, so that the practicality of the dies and the forming efficiency of the part are low. The existing bulging die can realize multi-sequence forming, but the die is complex in structure and various in parts, the steps are complicated in the forming process, the die is troublesome to assemble and disassemble, and the die is more complex in process and higher in manufacturing cost.

Therefore, it is necessary to provide a device for forming and easily assembling and disassembling a negative angle part to solve the above problems.

Disclosure of Invention

The present utility model is directed to a detachable component device with negative angle part forming, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the detachable device for forming the negative angle part comprises an upper die plate, a lower cushion block, an upper die, a lower die, an upper die floating block, a lower die floating block, an upper movable drawing plate, a lower movable drawing plate, an upper die groove and a lower die groove, wherein the lower die plate is provided with the lower die and the lower cushion block, the lower cushion block is fixedly connected with the lower die plate through bolts, the upper die is provided with the upper die plate, the upper die is fixedly connected with the upper die plate through bolts, the upper cushion block is arranged below the upper die plate, the upper cushion block is fixedly connected with the upper die plate through bolts,

a plurality of upper die grooves and a plurality of lower die grooves are symmetrically distributed between the upper die and the upper floating block and between the lower die and the lower floating block along the circumferential direction respectively; a movable drawing plate is detachably arranged in each groove, and the height of the movable drawing plate is higher than the depth of the groove in the corresponding upper die and the upper die;

a plurality of springs are uniformly distributed between the upper die and the upper floating block and between the lower die and the lower floating block.

An elongated slot is arranged in the middle of the lower die floating block, a left center clamping plate and a right center clamping plate are fixedly connected to the elongated slot, the left center clamping plate and the right center clamping plate are used for clamping a part to be processed and are tightly attached to the lower die floating block 14, and the shape of one end, in contact with the part to be processed, of the left center clamping plate and the right center clamping plate is matched with the shape of the side edge of the part to be processed.

The lower die is provided with a lower movable drawing plate, the lower movable drawing plate is in friction contact with the lower die through a groove and is in friction contact with a lower die floating block through the groove, the lower movable drawing plate is provided with a lower die floating block, the lower die floating block is fixedly connected with the lower die through a bolt, an upper die floating block is placed on the lower die floating block, the upper die floating block is fixedly connected with an upper die through a bolt, the upper movable drawing plate is arranged on the upper die floating block, the upper movable drawing plate is in friction contact with the upper die and the upper die floating block through a groove, an upper die is arranged on the upper movable drawing plate, a lower spring is arranged between the lower die and the lower die floating block, an upper spring is arranged between the upper die and the upper die floating block, the lower die and the outer side of a lower cushion block are fixedly guided through a Y-shaped sealing ring, a guide seat is arranged around four corners of the lower die and is fixedly connected with the lower die through a positioning key and fixedly guided with the upper die.

Two blocks are placed outside the lower die, the two blocks are fixedly connected to the outer side of the lower die through bolts, and when a part needs to be taken out, the blocks outside the lower die are taken down, so that the blocks are connected with the left center clamping plate and the right center clamping plate through bolts and are respectively inserted to the outer sides of the left center clamping plate and the right center clamping plate.

Preferably: the movable drawing plate is provided with a handle which is convenient to store and take out, and the handle is provided with a straight groove which is convenient for the movable drawing plate to take out. And carrying out clearance treatment on the movable drawing plate and the grooves front and back, namely setting clearance between the movable drawing plate and the corresponding grooves.

Preferably: the four-corner guide seats are provided with guide plates, and gap adjusting sheets are arranged behind each guide plate, so that position adjustment between the upper die and the lower die and between the upper die and the lower die.

Preferably: springs are arranged between the lower die and the lower die floating blocks and between the upper die and the upper die floating blocks, and are distributed in a ring shape, and the upper die floating blocks and the lower die floating blocks need to be sprung stably when the test die is opened.

Preferably: the movable drawing board is provided with a plurality of specifications with the same length and width and different thicknesses.

The beneficial technical effects of the utility model are as follows:

according to the utility model, the movable drawing plate is added in the bulging die, when the part is formed in one order, the movable drawing plate is placed in the die, and the secondary forming is required because the molded surface of the part is complex, at this time, the movable drawing plate is taken out, the equipment continues to move downwards, the upper die and the upper cushion block are pushed to continuously press down the part blank, and the lower die and the lower cushion block upwards extrude the part blank, so that the secondary forming of the part is completed, and thus, the two-order forming process of the part can be directly completed by one set of die, and the practicability of the die is improved.

The movable drawing plate solves the problem of mould standardization of parts which are formed for complex molded surfaces and need to be formed for many times, and in the process of forming the parts, the movable drawing plate can be exchanged according to requirements, and has the advantages of simple structure, simple process and easy assembly and disassembly, thereby not only improving the forming efficiency of the parts, but also reducing the manufacturing cost during the production of the mould.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the A-A plane of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic view of the lower mold part and spring structure of the present utility model;

FIG. 4 is a schematic cross-sectional view of the upper mold part and upper and lower mold sliders of the present utility model;

FIG. 5 is a schematic view of the connection structure of the upper mold and the upper movable drawing plate of the present utility model;

in the figure: 1. an upper template; 2. an upper cushion block; 3. an upper die; 4. a movable drawing plate is arranged on the upper part; 5. a lower movable drawing plate; 6. a lower die; 7. a lower template; 8. a lower cushion block; 9. an upper Y-shaped sealing ring; 10. a lower Y-shaped sealing ring; 11. a left center splint; 12. a right center splint; 13. an upper die slider; 14. a lower die slider; 15. a block; 16. a lower die groove; 17. a spring is arranged; 18. a lower spring; 19. a guide seat; 20. a gap adjusting piece; 21. a positioning key; 22. a long groove; 23. an upper die groove; 24. a straight groove; 25. and a guide plate.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it should be understood that the specific embodiments described herein are only for explaining the present utility model and are not limited thereto.

Referring to fig. 1 to 5, a detachable device for forming a negative angle part comprises an upper die plate 1, a lower die plate 7, a lower cushion block 8, an upper cushion block 2, an upper die 3, a lower die 6, left and right center clamping plates 11,12, an upper die floating block 13, a lower die floating block 14, an upper movable drawing plate 4, a lower movable drawing plate 5, an upper Y-shaped sealing ring 9, a lower Y-shaped sealing ring 10, an upper spring 17, a lower spring 18, an upper die groove 23, a lower die groove 16 and two independent blocks 15, wherein the lower die 7 is provided with the lower die 6 and the lower cushion block 8, the lower cushion block 8 and the lower die 6 are fixedly connected with the lower die plate 7 through bolts, the lower die 6 is provided with the lower movable drawing plate 5, the lower movable drawing plate 5 is in friction contact with the lower die 6 through the groove 16 and in friction contact with the lower die floating block 14 through the groove 16, the lower movable drawing plate 5 is provided with the lower die floating block 14, the lower die floating block 14 is fixedly connected with the lower die 6 through bolts, the upper die floating block 13 is arranged on the lower die floating block 14, the upper die floating block 13 is fixedly connected with the upper die 3 through bolts, the upper die floating block 13 is provided with an upper movable drawing plate 4, the upper movable drawing plate 4 is in friction contact with the upper die 3 and the upper die floating block 13 through an upper die groove 23, the upper movable drawing plate 4 is provided with an upper die 3, the upper die 3 is provided with an upper die plate 1, the upper die 3 is fixedly connected with the upper die plate 1 through bolts, an upper cushion block 2 is arranged below the upper die plate 1, the upper cushion block 2 is fixedly connected with the upper die plate 1 through bolts, a lower spring 18 is arranged between the lower die 6 and the lower die floating block 14, an upper spring 17 is arranged between the upper die 3 and the upper die floating block 13, the lower die 6 is fixedly guided by the lower Y-shaped sealing ring 10 with the outer side of the lower cushion block 8, the upper die 3 is fixedly guided by the upper Y-shaped sealing ring 9 with the outer side of the upper cushion block 2, two blocks 15 are arranged on the outer side of the lower die 6 and fixedly connected with the outer side of the lower die 6 through bolts, guide seats 19 are arranged around four corners of the lower die 6, and the guide seats 19 are fixedly arranged on the lower die 6 through positioning keys 21 and bolts and fixedly guided by the upper die 1. By installing the upper and lower movable drawing plates 4,5, when the part is formed in sequence, the upper and lower movable drawing plates 4,5 are put into a mould to play a supporting role, the upper and lower movable drawing plates 4,5 are only under the pressure between the upper and lower moulds and the upper and lower mould floating blocks, and are located in the grooves 16,23 of the upper and lower moulds to be in friction connection with the mould, and clearance is needed between the grooves and the movable drawing plates (the front and back refer to the vertical direction of drawing of the movable plate); after the one-step forming is finished, the upper and lower movable drawing plates 4 and 5 in the die are directly taken away, the equipment drives the upper die plate 1, the upper die 3 and the upper cushion block 2 to move downwards, the part blank is continuously pressed downwards, and the lower die 6 and the lower cushion block 8 extrude the part blank upwards, so that the part is formed in two steps with more complex molded surfaces.

The number of corresponding movable drawing plates arranged in the lower die and the upper die is even, and in the embodiment, four movable drawing plates are preferably arranged and distributed in four directions of the die. The length and width dimensions of the upper and lower movable drawing plates 4,5 are matched with the length and width dimensions of corresponding grooves, the sizes of the upper and lower mould grooves are changed along with the change of the dimensions of the movable drawing plates by changing the sizes of the upper and lower movable drawing plates 4,5, and a certain amount of clearance is reserved between the grooves and the movable drawing plates, so that the part forming process of different molded surfaces can be completed. The movable drawing plate can be drawn out or inserted into the corresponding groove, and the height of the movable drawing plate is higher than the depth of the groove in the corresponding upper die and the upper die, so that a certain gap is reserved between the upper die and the upper die floating block and between the lower die and the lower die floating block in sequence, and the movable drawing plate plays a supporting role. The thickness of the movable drawing plate can be provided with various specifications, so that the movable drawing plate can adapt to different processing requirements, is suitable for different dies, or is provided with a plurality of movable drawing plates with the same thickness, and the movable drawing plates are inserted according to actual processing requirements so as to meet the supporting requirements. And the upper and lower movable drawing plates 4,5 are easy to take and put, the structure is simple, the sizes of the upper and lower movable drawing plates can be completely consistent, one set of die can finish the two-order forming of parts, and the manufacturing cost of the die is reduced.

Further, the movable drawing plate is provided with a handle which is easy to take and place, and the handle is provided with a straight groove 24 which is convenient for taking out the upper and lower movable drawing plates 4 and 5. The whole lower die floating block 14 is of a square-like structure with four corners cut, a through hole and a long groove are formed in the middle of the lower die floating block, a left central clamping plate 11 and a right central clamping plate 12 are arranged on the long groove, the left central clamping plate 11 and the right central clamping plate 12 are fixedly connected to a long groove 22 of the lower die floating block 14 through bolts, the shape of the long groove 22 is determined by the shape of the left central clamping plate and the shape of the right central clamping plate, the left central clamping plate 11 and the right central clamping plate 12 can tightly attach to the lower die floating block 14, the left central clamping plate 11 and the right central clamping plate 12 can clamp a part to be machined, the central clamping plate is divided into a left part and a right part, and when the part is taken out, the left part and the right part of the central clamping plate are separated, so that the part can be taken out of a die more conveniently, and the molded surface of the part can be protected. The shape of one end of the left center clamping plate 11, the right center clamping plate 12, which is contacted with the part to be processed, is matched with the shape of the side edge of the part to be processed, and the shape of the side edge is a negative angle.

When the mould is in operation, namely when the part is not required to be taken out, the block 15 is arranged on the outer side of the mould through the bolt, when the part is required to be taken out, the lower mould floating block 14 is removed, the block is detached from the outer side of the mould and is respectively inserted into the outer sides of the left and right center clamping plates, the block is connected with the left and right center clamping plates through the bolt, and the purpose is that the left and right center clamping plates can be simultaneously brought up, so that the purpose of separating the part from the part is achieved, and the molded surface of the part is protected.

Secondly, there is baffle 25 on the four corners guide holder 19, all be equipped with clearance adjustment piece 20 behind every baffle 25, baffle 25 closely laminates with the clearance adjustment piece, and both require length and width unanimous, fix on last mould 3 simultaneously through the bolt, put into or take out through the clearance adjustment piece, carry out position adjustment to upper and lower mould and corresponding upper and lower mould floating block. The lower springs 18 and 17 are arranged between the lower die 6 and the lower die floating blocks 14 and between the upper die 3 and the upper die floating blocks 13, the upper and lower positions of the lower springs 18 and 17 correspond to each other, the lower springs 18 and 17 are distributed annularly, and the upper and lower die floating blocks need to be sprung stably when the test die is opened. The arrangement of the lower spring 18 and the upper spring 17 is beneficial to improving the stability of the die during die opening.

The working process of the utility model is as follows: when in use, a proper movable drawing plate is selected according to the actual situation, when the upper and lower movable drawing plates 4,5 are put into a die, when a cylindrical part blank is put into a lower die 6, water is injected into a cavity after the die is closed, and the part begins to perform primary liquid filling bulging. After the one-step forming is finished, the upper and lower movable drawing plates 4 and 5 are taken out, at this time, the equipment drives the upper die plate 1, the upper die 3 and the upper cushion block 2 to press down the part blank together, and the lower die plate 7 drives the lower die 6 and the lower cushion block 8 to press up the part blank, so that the two-order forming of the parts is finished. At this time, the set of dies can finish the two-order forming of the parts, thereby not only reducing the manufacturing cost of the dies, but also improving the forming efficiency of the parts. And the upper and lower movable drawing plates 4,5 are simple in process and simple in structure, and the straight grooves 24 arranged on the upper and lower movable drawing plates are convenient for the movable drawing plates to be taken out and placed, so that the workload of personnel is reduced, and the practicability of the die is greatly improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

The utility model is applicable to the prior art where it is not described.

Claims (8)

1. The utility model provides a take detachable device of negative angle part shaping, includes cope match-plate pattern (1), lower bolster (7), lower cushion (8), goes up cushion (2), cope match-plate pattern (3), lower bolster (6), there are lower bolster (6) and lower cushion (8) on lower bolster (7), and lower cushion (8) and lower bolster (6) carry out fixed connection through bolt and lower bolster (7), be provided with cope match-plate pattern (1) on cope match-plate pattern (3), and go up mould (3) and cope match-plate pattern (1) and carry out fixed connection through the bolt, be provided with upper cushion (2) under cope match-plate pattern (1), and go up cushion (2) and cope match-plate pattern (1) and carry out fixed connection through the bolt; the method is characterized in that: the device also comprises an upper die floating block (13) and a lower die floating block (14), wherein a plurality of upper die grooves and a plurality of lower die grooves are symmetrically distributed between the upper die and the upper floating block and between the lower die and the lower floating block along the circumferential direction respectively; a movable drawing plate is detachably arranged in each groove, and the height of the movable drawing plate is higher than the depth of the groove in the corresponding upper die and the upper die;

a plurality of springs are uniformly distributed between the upper die and the upper floating block and between the lower die and the lower floating block.

2. The detachable device for forming the negative angle part according to claim 1, wherein a long groove (22) is arranged in the middle of the lower die floating block (14), a left center clamping plate and a right center clamping plate are fixedly connected to the long groove (22), the left center clamping plate and the right center clamping plate are used for clamping the part to be processed and are tightly attached to the lower die floating block, and the shape of one end, which is contacted with the part to be processed, of the left center clamping plate and the right center clamping plate is matched with the shape of the side edge of the part to be processed.

3. The negative angle part forming removable device of claim 2, wherein: two blocks (15) are arranged on the outer side of the lower die (6), the two blocks (15) are fixedly connected on the outer side of the lower die (6) through bolts, and when a part needs to be taken out, the blocks on the outer side of the lower die are taken down, so that the blocks are connected with the left center clamping plate and the right center clamping plate through bolts and are respectively inserted on the outer sides of the left center clamping plate and the right center clamping plate.

4. The detachable device for forming the negative angle part according to claim 1, wherein a lower movable drawing plate (5) is arranged on the lower die (6), the lower movable drawing plate (5) is in friction contact with the lower die (6) through a lower die groove (16) and is in friction contact with an upper die floating block (14) through the lower die groove (16), a lower die floating block (14) is arranged on the lower movable drawing plate (5), the lower die floating block (14) is fixedly connected with the lower die (6) through a bolt, an upper die floating block (13) is arranged on the lower die floating block (14), the upper die floating block (13) is fixedly connected with the upper die (3) through a bolt, an upper movable drawing plate (4) is arranged on the upper die floating block (13) and is in friction contact with the upper die floating block (13) through a groove (23), an upper die (3) is arranged on the upper movable drawing plate (4), the lower die floating block (6) and the upper die floating block (14) and the lower die floating block (13) are arranged on the lower die floating block (13), and the upper die floating block (13) and the upper die floating block and the lower die floating block (13) are arranged on the lower die floating block and the lower die floating block are in a ring-shaped form, and the upper die floating block (13) and the upper die floating block and the lower die floating block are in a spring-shaped structure and the lower die floating block forming spring; the lower die (6) is fixedly guided by the lower Y-shaped sealing ring (10) outside the lower cushion block (8), the upper die (3) is fixedly guided by the upper Y-shaped sealing ring (9) outside the upper cushion block (2), guide bases (19) are arranged around four corners of the lower die (6), and the guide bases (19) are fixedly arranged on the lower die (6) through positioning keys (21) and bolts and fixedly guided by the upper die (3).

5. The negative angle part forming removable device of claim 4, wherein: the four-corner guide seats (19) are provided with guide plates (25), and gap adjusting sheets (20) are arranged behind each guide plate (25) so as to facilitate position adjustment of the upper die, the lower die and the upper die floating blocks and the lower die floating blocks.

6. The negative angle part forming removable device of claim 1, wherein: the movable drawing board is provided with a handle which is easy to take and put, and the handle is provided with a straight groove (24).

7. The negative angle part forming removable device of claim 1, wherein: and a clearance is arranged between the movable drawing plate and the corresponding groove.

8. The negative angle part forming removable device of claim 1, wherein: the movable drawing board is provided with a plurality of specifications with the same length and width and different thicknesses.

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