Automatic trimming and molding press based on press machine transformation

Abstract

The application provides an automatic shearing and molding machine based on a press machine, which comprises a base, a stand, an upper beam, a piston cylinder, a movable working platform, a piston rod, an upper mounting platform, a pressing block, a spring, an upper die, an upper die groove, an upper die lining, a lower mounting platform, a lower die, a lower die groove, a disc spring supporting rod, a supporting disc spring and a lower die lining; in the application, when the molding process is completed, the piston rod drives the movable working platform to rise, thereby driving the upper die to move upward, the spring applies a downward force to the upper die, so that the upper and lower dies remain in a combined state for a short period of time at the beginning of demolding; when the piston rod rises to a certain height, the upper die and the upper die lining start to rise at the same time, under the condition that the lower die remains stationary, the supporting disc spring pushes the lower die lining to rise to a certain height together with the upper die lining; at the same time, the dislocation difference between the die and the die lining is utilized to complete the shearing of the burr, thereby omitting the process of polishing the burr later.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of forming processing technology, and particularly relates to an automatic shearing flash mold press based on pressure machine modification. BACKGROUND

[0002] Mold pressing is a forming method of thermosetting composite materials, which is a method of adding a certain amount of premixed material or pre-impregnated material into a metal pair of molds and then curing and forming under pressure. The mold pressing product has high dimensional accuracy, good repeatability, high surface finish, and is easy to realize mechanization and automation. It is mainly used for the production and processing of complex parts such as structural parts, connecting parts and protective parts, and is widely used in many fields such as industry, agriculture, electrical appliances, machinery, weapons, aircraft and transportation.

[0003] The mechanical equipment used for mold pressing processing is called mechanical press and hydraulic press. The existing upper movable hydraulic press has a three-beam four-column structure. The piston cylinder is installed on the upper cross beam, and the distance between the movable working platform and the base is adjusted through the piston rod to realize mold processing.

[0004] With the continuous development and update of mold pressing technology, mold presses are gradually developing towards more advanced levels, and the precision requirements for mold presses are also becoming higher and higher. However, in the existing mold pressing process, the material may overflow from the mold matching part under high temperature and high pressure, resulting in flash phenomenon, which leads to low product forming quality, thereby restricting the development of mold presses towards high quality.

[0005] Therefore, it is necessary to invent an automatic shearing flash mold press based on pressure machine modification. SUMMARY

[0006] In order to solve the above technical problems, the present application provides an automatic shearing edge mold pressing machine based on the transformation of a pressing machine, which comprises a base, a plurality of columns, an upper beam, a piston cylinder, a movable working platform, a piston rod, an upper mounting platform, a pressing block, a spring, an upper die, an upper die groove, an upper die liner, a lower mounting platform, a lower die, a lower die groove, a disc spring support rod, a supporting disc spring and a lower die liner, the columns are arranged at four corners above the base, the upper beam is arranged at the upper end of the column, the piston cylinder is arranged at the middle position above the upper beam, the piston rod is arranged at the middle position below the piston cylinder, the movable working platform is arranged at the four corners of the movable working platform and is sleeved outside the column, and the movable working platform is located outside the piston rod, the upper mounting platform is arranged at the middle position below the movable working platform and is connected to the outside of the piston rod, the upper die is sleeved outside the lower end of the piston rod, the pressing block is arranged outside the piston rod and is located between the upper die and the upper mounting platform, the spring is arranged at the four corners below the pressing block and is arranged above the upper die, the upper die groove is arranged at the middle position below the upper die, the upper die liner is arranged above the inside of the upper die groove, the lower mounting platform is arranged at the middle position above the base, the lower die is arranged at the middle position above the lower mounting platform, the lower die groove is arranged at the middle position above the lower die, and a through groove is arranged at the middle position below the inside of the lower die groove, the disc spring support rod is arranged inside the through groove, the supporting disc spring is arranged outside the disc spring support rod and the upper end of the supporting disc spring is located inside the lower die groove, and the lower die liner is arranged below the inside of the lower die groove, when the mold pressing process is performed, the piston rod drives the movable working platform to descend, drives the upper die to move downward, and the upper die liner is combined with the lower die liner, when the mold pressing process is completed, the piston rod drives the movable working platform to ascend, drives the upper die to move upward, and the spring is in a compressed state, so that the upper and lower dies remain combined for a short time when demolding starts, when the piston rod ascends to a certain height, the upper die and the upper die liner start to ascend at the same time, but the supporting disc spring is also in a compressed state, so that the lower die liner ascends with the upper die liner to a certain height under the condition that the lower die remains stationary, and the shearing of the edge is completed by using the dislocation difference between the die and the die liner, thereby omitting the process of polishing the edge in the later stage, further improving the production efficiency of the mold pressing machine, and enabling the production capacity of the mold pressing machine to be more effectively utilized.

[0007] Preferably, the base is symmetrically arranged with the upper cross beam; the column is symmetrically arranged and adopts a cylindrical structure; the piston cylinder is connected with the gas supply system through a pipeline; the upper end of the piston rod is connected with the output component of the piston cylinder; four corners of the movable working platform are provided with through grooves adopting a cylindrical structure, and the depth of the through grooves is equal to the thickness of the movable working platform, wherein the size of the through grooves matches the size of the column; the upper mounting platform is arranged in parallel with the lower mounting platform.

[0008] Preferably, the spring is symmetrically arranged; the upper die is aligned with the lower die, and the size of the upper die matches the size of the lower die; the size of the upper die lining matches the size of the upper die groove, and the upper die lining adopts a structure of thick upper part and thin lower part.

[0009] Preferably, the lower die groove is aligned with the upper die groove, and the size of the lower die groove matches the size of the upper die groove; the upper end of the disc spring support rod is flush with the lower side of the inner side of the lower die groove; the size of the lower die lining matches the size of the lower die groove, and the lower die lining adopts a structure of thick lower part and thin upper part; the upper die lining and the lower die lining are both designed as thick bottom and thin periphery, so as to control the burr of the finished product within the error allowable range, improve the problem of excessive burr of the finished product to a certain extent, and greatly improve the size accuracy and surface finish of the finished product.

[0010] Compared with the prior art, the present application has the following beneficial effects:

[0011] 1. In the present application, when the mold pressing processing is performed, the piston rod drives the movable working platform to descend, drives the upper die to move downward, until the upper die lining and the lower die lining are combined together; when the mold pressing processing is completed, the piston rod drives the movable working platform to ascend, thereby driving the upper die to move upward, but since the spring is in a compressed state at this time, a downward force is exerted on the upper die, so that the upper and lower dies remain in the combined state for a short time at the beginning of demolding;

[0012] When the piston rod ascends to a certain height, the upper die and the upper die lining will simultaneously start to ascend, but since the supporting disc spring is also in a compressed state at this time, under the condition that the lower die remains stationary, it will push the lower die lining to ascend together with the upper die lining to a certain height; at the same time, the dislocation difference between the die and the die lining is utilized to complete the shearing of the burr, thereby omitting the process of polishing the burr later, further improving the production efficiency of the mold pressing machine, and enabling the production capacity of the mold pressing machine to be more fully utilized.

[0013] 2. In the present application, the upper die liner and the lower die liner are designed to be thick at the bottom and thin at the periphery, so as to control the burr of the finished product within the allowable error range, to a certain extent, to improve the problem of excessive burr of the finished product, and to greatly improve the dimensional accuracy and surface finish of the finished product. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic diagram of the present application.

[0015] Figure 2 is a structural schematic diagram of another view of the present application.

[0016] Figure 3 is a structural schematic diagram of the present application. Figure 2 is an enlarged structural schematic diagram of A in the present application.

[0017] Figure 4 is an enlarged structural schematic diagram of B in the present application. Figure 2

[0018] in the figure:

[0019] 1 - base, 2 - column, 3 - upper cross beam, 4 - piston cylinder, 5 - movable working platform, 6 - piston rod, 7 - upper mounting platform, 8 - pressing block, 9 - spring, 10 - upper die, 11 - upper die groove, 12 - upper die liner, 13 - lower mounting platform, 14 - lower die, 15 - lower die groove, 16 - disc spring support rod, 17 - support disc spring, 18 - lower die liner. DETAILED DESCRIPTION

[0020] The present application is further described below in conjunction with the accompanying drawings:

[0021] Embodiment:

[0022] As shown in the accompanying drawings Figure 1 to the accompanying drawings Figure 4 as shown

[0023] ​The application provides an automatic shearing and trimming die press based on a press machine, which comprises a base 1, a plurality of vertical columns 2, an upper cross beam 3, a piston cylinder 4, a movable working platform 5, a piston rod 6, an upper mounting platform 7, a pressing block 8, a spring 9, an upper die 10, an upper die groove 11, an upper die lining 12, a lower mounting platform 13, a lower die 14, a lower die groove 15, a disc spring supporting rod 16, a supporting disc spring 17 and a lower die lining 18, the vertical columns 2 are arranged at four corners of the upper side of the base 1, the upper cross beam 3 is arranged at the upper end of the vertical columns 2, the piston cylinder 4 is arranged at the middle position of the upper side of the upper cross beam 3, the piston rod 6 is arranged at the middle position of the lower side of the piston cylinder 4, the movable working platform 5 is arranged at the four corners of the movable working platform 5 and is sleeved with the outer side of the vertical columns 2, and the movable working platform 5 is arranged at the outer side of the piston rod 6, the upper mounting platform 7 is arranged at the middle position of the lower side of the movable working platform 5 and is connected with the outer side of the piston rod 6, the upper die 10 is sleeved with the outer side of the lower end of the piston rod 6, the pressing block 8 is arranged at the outer side of the piston rod 6 and is located between the upper die 10 and the upper mounting platform 7, the spring 9 is arranged at the four corners of the lower side of the pressing block 8 and the upper end of the spring 9, the lower end of the spring 9 is arranged above the upper die 10, the upper die groove 11 is arranged at the middle position of the lower side of the upper die 10, the upper die lining 12 is arranged above the inner side of the upper die groove 11, the lower mounting platform 13 is arranged at the middle position of the upper side of the base 1, the lower die 14 is arranged at the middle position of the upper side of the lower mounting platform 13, the lower die groove 15 is arranged at the middle position of the upper side of the lower die 14, and a through groove is arranged at the middle position of the lower side of the inner side of the lower die groove 15, the disc spring supporting rod 16 is arranged in the through groove, the supporting disc spring 17 is arranged at the outer side of the disc spring supporting rod 16, and the upper end of the supporting disc spring 17 is arranged in the inner side of the lower die groove 15, and the lower die lining 18 is arranged below the inner side of the lower die groove 15.

[0024] In the embodiment, the base 1 and the upper cross beam 3 are symmetrically arranged; the stand column 2 is symmetrically arranged and adopts a cylindrical structure; the piston cylinder 4 is connected with the gas supply system through a pipeline; the upper end of the piston rod 6 is connected with the output component of the piston cylinder 4; the four corners of the movable working platform 5 are provided with through grooves which adopt a cylindrical structure and have a depth equal to the thickness of the movable working platform 5, wherein the size of the through grooves matches the size of the stand column 2; the upper mounting platform 7 is arranged in parallel with the lower mounting platform 13; when the mold pressing processing is performed, the piston rod 6 drives the movable working platform 5 to descend, drives the upper mold 10 to move downward, and until the upper mold inner liner 12 and the lower mold inner liner 18 are combined together; when the mold pressing processing is completed, the piston rod 6 drives the movable working platform 5 to ascend, thereby driving the upper mold 10 to move upward, but since the spring 9 is in a compressed state at this time, a downward force is applied to the upper mold 10, so that the upper and lower molds remain in a combined state for a short time at the beginning of demolding; when the piston rod 6 ascends to a certain height, the upper mold 10 and the upper mold inner liner 12 will simultaneously start to ascend, but since the supporting disc spring 17 is also in a compressed state at this time, under the condition that the lower mold 15 remains stationary, it will push the lower mold inner liner 18 to ascend together with the upper mold inner liner 12 to a certain height; at the same time, the dislocation difference between the mold and the mold inner liner is utilized to complete the shearing of the burrs, thereby omitting the process of polishing the burrs in the later stage, further improving the production efficiency of the mold pressing machine, and enabling the production capacity of the mold pressing machine to be more fully utilized.

[0025] In the embodiment, the spring 9 is symmetrically arranged; the upper mold 10 is aligned with the lower mold 14, and the size of the upper mold 10 matches the size of the lower mold 14; the size of the upper mold inner liner 12 matches the size of the upper mold groove 11, and the upper mold inner liner 12 adopts a structure of thick upper part and thin lower part.

[0026] In the embodiment, the lower mold groove 15 is aligned with the upper mold groove 11, and the size of the lower mold groove 15 matches the size of the upper mold groove 11; the upper end of the disc spring supporting rod 16 is flush with the lower side of the inner side of the lower mold groove 15; the size of the lower mold inner liner 18 matches the size of the lower mold groove 15, and the lower mold inner liner 18 adopts a structure of thick lower part and thin upper part; the upper mold inner liner 12 and the lower mold inner liner 18 are both designed as thick bottom and thin periphery, so as to control the burrs of the finished product within the allowable error range, to a certain extent, improve the problem of excessive burrs of the finished product, and greatly improve the dimensional accuracy and surface finish of the finished product.

[0027] Working principle

[0028] When the die pressing process is completed, the piston rod 6 drives the movable working platform 5 to rise, thereby driving the upper die 10 to move upward, but since the spring 9 is in a compressed state at this time, a downward force is applied to the upper die 10, so that the upper and lower dies remain in a combined state for a short period of time at the beginning of demolding; when the piston rod 6 rises to a certain height, the upper die 10 and the upper die liner 12 will start to rise at the same time, but since the supporting disc spring 17 is also in a compressed state at this time, it will push the lower die liner 18 to rise with the upper die liner 12 to a certain height under the condition that the lower die 15 remains stationary; at the same time, the dislocation difference between the die and the die liner is utilized to complete the shearing of the burr, thereby eliminating the process of polishing the burr later, further improving the production efficiency of the die press, and enabling the production capacity of the die press to be more fully utilized; the upper die liner 12 and the lower die liner 18 are both designed to be thick at the bottom and thin around, so as to control the burr of the finished product within the allowable error range, to a certain extent, to improve the problem of excessive burr of the finished product, and to greatly improve the dimensional accuracy and surface finish of the finished product; when the piston rod 6 moves up and down, the four corner portions of the movable working platform 5 move outside the column 2, and the movable working platform 5 and the column 2 play a guiding and positioning role on the piston rod 6, so that the upper die groove 11 is always aligned with the lower die groove 15, ensuring smooth and efficient operation of the die press.

[0029] Any design similar to the technical solutions of the present application or inspired by the technical solutions of the present application, which achieves the above technical effects, falls within the protection scope of the present application.

Claims

1. An automatic deburring molding machine based on a modified press, characterized in that: The system includes a base (1), columns (2), an upper crossbeam (3), a piston cylinder (4), a movable working platform (5), a piston rod (6), an upper mounting platform (7), a pressure block (8), a spring (9), an upper mold (10), an upper mold groove (11), an upper mold liner (12), a lower mounting platform (13), a lower mold (14), a lower mold groove (15), a disc spring support rod (16), a supporting disc spring (17), and a lower mold liner (18). Multiple columns (2) are used, and the columns (2) are installed at the four corners above the base (1). The upper crossbeam (3)... The piston cylinder (4) is installed at the upper end of the column (2); the piston rod (6) is installed at the middle position above the upper crossbeam (3); the movable working platform (5) is installed at the four corners of the movable working platform (5) and sleeved on the outside of the column (2), and the movable working platform (5) is located on the outside of the piston rod (6); the upper mounting platform (7) is installed at the middle position below the movable working platform (5), and the upper mounting platform (7) is connected to the outside of the piston rod (6); the upper mold (10) is sleeved on the upper end of the column (2); the piston cylinder (4) is installed at the middle position above the upper crossbeam (3); the piston rod (6) is located at the middle position below the piston cylinder (4 ... movable working platform (5) is installed at the four corners of the movable working platform (5) and sleeved on the outside of the column (2), and the movable working platform (5) is located on the outside of the piston rod (6); the upper mounting platform (7) is installed at the middle position below the movable working platform (5), and the upper mounting platform (7) is connected to the outside of the piston rod (6); the upper mold (10) is sleeved on the upper end of the column (2); the piston cylinder (4) is installed at the middle position above the upper crossbeam (3); the piston rod (6) is located at the middle position below the piston cylinder (4); the movable working platform (5) is installed at the middle position below the column (2), and the movable working platform (5) is located on the outside of the column (2); the upper mounting platform (7) is installed at the middle position below the movable working platform (5), and the upper mounting platform (7) is connected to the outside of the piston rod (6); the upper mold (10) is sleeved on the upper end of the column (2); the upper mold The piston rod (6) is located on the outer side of its lower end; the pressure block (8) is installed on the outer side of the piston rod (6) and is located between the upper mold (10) and the upper mounting platform (7); multiple springs (9) are used, with the upper ends of the springs (9) installed at the four corners of the lower side of the pressure block (8), and the lower ends of the springs (9) installed above the upper mold (10); the upper mold groove (11) is opened in the middle position on the lower side of the upper mold (10); the upper mold liner (12) is installed above the inner side of the upper mold groove (11); the lower mounting platform (13) is installed on the base The lower mold (14) is installed in the middle position above the lower mounting platform (13); the lower mold groove (15) is opened in the middle position above the lower mold (14), and a through groove is opened in the middle position of the lower inner side of the lower mold groove (15); the disc spring support rod (16) is installed inside the through groove; the support disc spring (17) is installed on the outside of the disc spring support rod (16), and the upper end of the support disc spring (17) is located inside the lower mold groove (15); the lower mold liner (18) is installed in the lower part of the lower mold groove (15).

2. The automatic deburring molding machine based on the modification of a press as described in claim 1, characterized in that: The base (1) and the upper crossbeam (3) are symmetrically arranged; the columns (2) are symmetrically arranged and the columns (2) adopt a cylindrical structure; the piston cylinder (4) is connected to the air supply system through a pipe; the upper end of the piston rod (6) is connected to the output component of the piston cylinder (4).

3. The automatic deburring molding machine based on the modification of a press as described in claim 1, characterized in that: The four corners of the movable work platform (5) are provided with through slots, and the through slots adopt a cylindrical structure. The depth of the through slot is equal to the thickness of the movable work platform (5), and the size of the through slot matches the size of the column (2). The upper mounting platform (7) and the lower mounting platform (13) are arranged in parallel.

4. The automatic deburring molding machine based on the modification of a press as described in claim 1, characterized in that: The springs (9) are symmetrically arranged; the upper mold (10) is aligned with the lower mold (14), and the size of the upper mold (10) matches the size of the lower mold (14); the size of the upper mold liner (12) matches the size of the upper mold groove (11), and the upper mold liner (12) has a structure that is thick at the top and thin around the bottom.

5. The automatic deburring molding machine based on the modification of a press as described in claim 1, characterized in that: The lower mold groove (15) is aligned with the upper mold groove (11), and the size of the lower mold groove (15) matches the size of the upper mold groove (11); the upper end of the disc spring support rod (16) is flush with the lower part of the inner side of the lower mold groove (15).

6. The automatic deburring molding machine based on the modification of a press as described in claim 1, characterized in that: The dimensions of the lower mold liner (18) match the dimensions of the lower mold groove (15), and the lower mold liner (18) adopts a structure that is thick at the bottom and thin around the top.

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