Thermal forming press and use method

Abstract

The invention provides a thermal forming press and a using method, and belongs to the technical field of thermal forming stamping, the thermal forming press comprises an upper die and a lower die, a material receiving plate is installed at the bottom of the lower die, lifting mechanisms are installed on the two sides of the lower die, and each lifting mechanism comprises two fixing frames, two ball screws, two nut seats and a first motor. The two nut bases are connected with the two sides of a material receiving plate. A rotating mechanism is installed on the side edge of the lower die and comprises a rotating shaft roller and a second motor, and the rotating shaft roller is rotationally connected with the inner side of the fixing frame. 180-degree overturning of the lower mold can be achieved through the rotating mechanism, so that demolding is facilitated, meanwhile, lifting of the material receiving plate can be achieved through the lifting mechanism, a material obtained after demolding falls onto the material receiving plate to be cooled, meanwhile, rapid heat dissipation of the material can be achieved through an electric control cooling fan, and the cooling efficiency is improved. The time required for cooling the hot material from high temperature to normal temperature is shortened, the production cycle of the hot material is shortened, and the working efficiency is improved.

Description

Technical Field

[0001] The present invention mainly relates to the field of hot forming stamping technology, and in particular to a hot forming press and a use method thereof. Background Art

[0002] Based on the automobile manufacturing concept of light weight, high strength, low manufacturing cost, and low fuel consumption and the technological progress of steel plate materials, hot stamping automobile parts and components have been and will be more widely manufactured and used. The hot forming stamping machine is the basic equipment for hot stamping, which determines the cost and quality of hot stamping parts and components.

[0003] After the hot material is cooled and formed in the mold, it will inevitably adhere to the mold itself, which makes it inconvenient to remove it during demolding. On the other hand, the time required for the hot material to naturally cool from high temperature to room temperature is generally long, which prolongs its overall production cycle. Summary of the invention

[0004] The present invention mainly provides a thermoforming press and a use method thereof to solve the technical problems raised in the above-mentioned background technology.

[0005] The technical solution adopted by the present invention to solve the above technical problems is:

[0006] A thermoforming press comprises an upper die and a lower die, a material receiving plate is installed at the bottom of the lower die, and a lifting mechanism is installed on both sides of the lower die, the lifting mechanism comprises two fixing frames located at both sides of the material receiving plate, a lifting groove arranged on the fixing frames, two ball screws rotatably connected in the two lifting grooves, two nut seats symmetrically installed on the two ball screws, and a first motor installed at the bottom of the ball screw, and the two nut seats are connected to both sides of the material receiving plate;

[0007] A rotating mechanism is installed on the side of the lower mold, and the rotating mechanism includes rotating shaft rollers installed at the centers of both sides of the lower mold, and a second motor installed on the outside of the fixed frame and connected to the rotating shaft rollers. The rotating shaft rollers are rotatably connected to the inside of the fixed frame.

[0008] Furthermore, in the present invention, a support platform is installed outside the upper mold and the lower mold, and the support platform consists of a top platform, a base and four support columns, and the four support columns are located at the corners between the top platform and the base.

[0009] Furthermore, in the present invention, a hydraulic cylinder is installed at the top center of the top platform, and the output shaft of the hydraulic cylinder passes through the top platform and is connected to the upper mold.

[0010] Furthermore, in the present invention, the base is an inverted U-shaped structure, both ends of the two sides of the base are provided with square grooves, and the bottom of the square groove is provided with slot holes.

[0011] Furthermore, in the present invention, a straight shaft is provided at the side periphery of the rotating shaft roller, a semicircular slot hole centered at the center of the rotating shaft roller is provided on the fixing frame, and the straight shaft is located inside the semicircular slot hole.

[0012] Furthermore, in the present invention, a cavity is provided in the middle area of ​​the base, the two ball screws both penetrate into the cavity, transmission wheels are installed on the two ball screws in the cavity area, and transmission belts are mounted on the two transmission wheels.

[0013] Furthermore, in the present invention, a mounting plate is installed on the inner side of the two nut seats, and the mounting plate is connected to the side of the receiving plate through four fixing bolts.

[0014] Furthermore, in the present invention, a plurality of electrically controlled cooling fans are installed at equal distances on the top of one side of the receiving plate.

[0015] Furthermore, in the present invention, a storage groove is provided on the top of the receiving plate away from the electrically controlled cooling fan, and electrically controlled linear drive modules are installed on both sides of the storage groove, and a push plate is installed on the driving block of the electrically controlled linear drive module.

[0016] Further, in the present invention, the method for using any of the above-mentioned thermoforming presses comprises the following steps:

[0017] Step 1: The upper die is lowered and docked with the lower die through the operation of the hydraulic cylinder to complete the hot forming stamping;

[0018] Step 2: The second motor operates to make the rotating shaft roller drive the lower mold to flip;

[0019] Step 3: After turning 180°, the first motor operates to rotate the two ball screws, so that the nut seat drives the receiving plate to rise until the receiving plate is close to the lower die, waiting for the material in the lower die to fall onto the receiving plate;

[0020] Step 4: After the material is on the receiving plate, the first motor operates to lower the receiving plate, and at the same time the electronically controlled cooling fan operates to dissipate heat and cool the material on the receiving plate. Finally, the electronically controlled linear drive module is started to push the push plate out, and the material on the push plate can be removed from the outside.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The present invention can realize 180° flipping of the lower mold through the rotating mechanism, so as to facilitate demoulding. At the same time, the lifting and lowering of the receiving plate can be realized through the lifting mechanism, so that the demoulded material falls onto the receiving plate for cooling. At the same time, the electric control cooling fan can realize rapid heat dissipation of the material, so that the time required for the hot material to be cooled from high temperature to normal temperature is reduced, so that its production cycle is shortened and the work efficiency is improved.

[0023] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the support platform area structure of the present invention;

[0026] Figure 3 It is a schematic diagram of the structure of the lower mold and the receiving plate area of ​​the present invention;

[0027] Figure 4 It is a schematic diagram of the lower mold structure of the present invention;

[0028] Figure 5 It is a schematic diagram of the structure of the material receiving plate of the present invention;

[0029] Figure 6 It is a schematic cross-sectional view of the base area structure of the present invention.

[0030] In the figure: 10, lower mold; 20, upper mold; 30, rotating mechanism; 31, second motor; 32, rotating shaft roller; 33, straight shaft; 40, receiving plate; 41, storage slot; 42, push plate; 50, lifting mechanism; 51, fixing frame; 511, lifting slot; 512, semicircular slot hole; 52, ball screw; 53, nut seat; 54, first motor; 55, transmission wheel; 56, transmission belt; 57, mounting plate; 60, hydraulic cylinder; 70, support table; 71, base; 711, square slot; 712, cavity; 72, top table; 73, support column; 80, electric control cooling fan; 90, electric control linear drive module. DETAILED DESCRIPTION

[0031] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0032] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0034] For examples, please refer to the attached Figure 1-6 A thermoforming press comprises an upper die 20 and a lower die 10, a material receiving plate 40 is installed at the bottom of the lower die 10, and a lifting mechanism 50 is installed on both sides of the lower die 10, the lifting mechanism 50 comprises two fixing frames 51 located on both sides of the material receiving plate 40, a lifting groove 511 arranged on the fixing frames 51, two ball screws 52 rotatably connected in the two lifting grooves 511, two nut seats 53 symmetrically installed on the two ball screws 52, and a first motor 54 installed at the bottom of the ball screw 52, ​​and the two nut seats 53 are connected to the two sides of the material receiving plate 40;

[0035] A rotating mechanism 30 is installed on the side of the lower mold 10, and the rotating mechanism 30 includes a rotating shaft roller 32 installed at the center of both sides of the lower mold 10, and a second motor 31 installed on the outside of the fixed frame 51 and connected to the rotating shaft roller 32, and the rotating shaft roller 32 is rotatably connected to the inside of the fixed frame 51.

[0036] It should also be noted that the electrical components of the device are all externally powered and electrically connected to a conventional PLC controller; and the material will not easily fall out of the lower die 10 just after the hot forming stamping is completed.

[0037] For details, please refer to the attached Figure 2 A support platform 70 is installed outside the upper mold 20 and the lower mold 10. The support platform 70 is composed of a top platform 72, a base 71 and four support columns 73. The four support columns 73 are located at the corners between the top platform 72 and the base 71;

[0038] It should be noted that, in this embodiment, the upper mold 20 and the lower mold 10 of the device and various mechanisms are integrated into one whole through the support platform 70 .

[0039] For details, please refer to the attached Figure 1 A hydraulic cylinder 60 is installed at the top center of the top platform 72, and the output shaft of the hydraulic cylinder 60 passes through the top platform 72 and is connected to the upper mold 20;

[0040] Furthermore, the base 71 is an inverted U-shaped structure, and both ends of the base 71 are provided with square grooves 711, and the bottom of the square groove 711 is provided with slot holes;

[0041] It should be noted that, in this embodiment, by installing positioning bolts in the slot holes at the bottom of the square slot 711, the base 71 can be connected and fixed to the ground, thereby increasing the stability of the device.

[0042] For details, please refer to the attached Figure 3 A straight shaft 33 is provided at the side circumference of the rotating shaft roller 32, and a semicircular slot hole 512 centered at the center of the rotating shaft roller 32 is provided on the fixing frame 51, and the straight shaft 33 is located inside the semicircular slot hole 512;

[0043] It should be noted that, in this embodiment, when the rotating shaft roller 32 drives the lower mold 10 to rotate, the straight shaft 33 will slide in the semicircular groove hole 512, so that the flipping of the lower mold 10 is more stable and the flipping angle of the lower mold 10 is limited.

[0044] For details, please refer to the attached Figure 6 A cavity 712 is provided in the middle area of ​​the base 71, and the two ball screws 52 are both inserted into the cavity 712. Transmission wheels 55 are installed on the two ball screws 52 in the cavity 712 area, and transmission belts 56 are sleeved on the two transmission wheels 55;

[0045] It should be noted that, in the present embodiment, through the transmission of the transmission wheel 55 and the transmission belt 56 , the two ball screws 52 can be rotated synchronously and in the same direction through the operation of the first motor 54 .

[0046] For details, please refer to the attached Figure 6 , the inner sides of the two nut seats 53 are both installed with mounting plates 57, and the mounting plates 57 are connected to the side of the receiving plate 40 through four fixing bolts;

[0047] It should be noted that, in this embodiment, the mounting plate 57 and the receiving plate 40 can be completely disassembled, so as to facilitate disassembly maintenance or replacement of accessories.

[0048] For details, please refer to the attached Figure 5 , a plurality of electrically controlled cooling fans 80 are installed at equal distances on the top of one side of the receiving plate 40;

[0049] It should be noted that in this embodiment, when the material on the lower mold 10 falls onto the receiving plate 40, the operation of the electrically controlled cooling fan 80 can help the material to cool down and dissipate heat, thereby reducing the time required for the hot material to cool from high temperature to room temperature, shortening its production cycle and improving work efficiency.

[0050] For details, please refer to the attached Figure 5 A receiving groove 41 is provided on the top of the receiving plate 40 away from the electric-controlled cooling fan 80, and electric-controlled linear drive modules 90 are installed on both sides of the receiving groove 41. A push plate 42 is installed on the driving block of the electric-controlled linear drive module 90;

[0051] It should be noted that, in this embodiment, when the driving block of the electric-controlled linear drive module 90 is located on the side closest to the electric-controlled cooling fan 80, the push plate 42 is completely received in the receiving groove 41. After the material on the lower mold 10 falls on the receiving plate 40 and the heat dissipation is completed, the electric-controlled linear drive module 90 can operate to push the push plate 42 out of the support table 70, so as to facilitate the removal of the material by a robot or manually.

[0052] Further, in the present invention, the method for using any of the above-mentioned thermoforming presses comprises the following steps:

[0053] Step 1: The upper die 20 is lowered by operating the hydraulic cylinder 60 to dock with the lower die 10 to complete the hot forming stamping;

[0054] Step 2: The second motor 31 operates to make the rotating shaft roller 32 drive the lower mold 10 to flip;

[0055] Step 3: After turning 180°, the first motor 54 operates to rotate the two ball screws 52, so that the nut seat 53 drives the receiving plate 40 to rise until the receiving plate 40 is close to the lower mold 10, waiting for the material in the lower mold 10 to fall onto the receiving plate 40;

[0056] Step 4: After the material is on the receiving plate 40, the first motor 54 operates to lower the receiving plate 40, and at the same time, the electrically controlled cooling fan 80 operates to dissipate heat and cool the material on the receiving plate 40. Finally, the electrically controlled linear drive module 90 is started to push the push plate 42 out, and the material on the push plate 42 can be removed from the outside.

[0057] The above is an exemplary description of the present invention in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A thermoforming press, comprising an upper die (20) and a lower die (10), characterized in that: A material receiving plate (40) is installed at the bottom of the lower mold (10), and a lifting mechanism (50) is installed on both sides of the lower mold (10), and the lifting mechanism (50) comprises two fixing frames (51) located on both sides of the material receiving plate (40), a lifting groove (511) arranged on the fixing frames (51), two ball screws (52) rotatably connected in the two lifting grooves (511), two nut seats (53) symmetrically installed on the two ball screws (52), and a first motor (54) installed at the bottom of the ball screw (52), and the two nut seats (53) are connected to both sides of the material receiving plate (40); A rotating mechanism (30) is installed on the side of the lower mold (10), and the rotating mechanism (30) includes a rotating shaft roller (32) installed at the center of both sides of the lower mold (10), and a second motor (31) installed on the outside of the fixed frame (51) and connected to the rotating shaft roller (32), and the rotating shaft roller (32) is rotatably connected to the inside of the fixed frame (51).

2. A thermoforming press according to claim 1, characterized in that: A support platform (70) is installed outside the upper mold (20) and the lower mold (10), and the support platform (70) is composed of a top platform (72), a base (71) and four support columns (73). The four support columns (73) are located at the corners between the top platform (72) and the base (71).

3. A thermoforming press according to claim 2, characterized in that: A hydraulic cylinder (60) is installed at the top center of the top platform (72), and an output shaft of the hydraulic cylinder (60) passes through the top platform (72) and is connected to the upper mold (20).

4. A thermoforming press according to claim 2, characterized in that: The base (71) is an inverted U-shaped structure, and both ends of both sides of the base (71) are provided with square grooves (711), and the bottom of the square groove (711) is provided with a slot hole.

5. A thermoforming press according to claim 1, characterized in that: A straight shaft (33) is arranged at the side periphery of the rotating shaft roller (32), a semicircular slot hole (512) centered at the center of the rotating shaft roller (32) is arranged on the fixing frame (51), and the straight shaft (33) is located inside the semicircular slot hole (512).

6. A thermoforming press according to claim 2, characterized in that: A cavity (712) is provided in the middle area of ​​the base (71), and the two ball screws (52) both penetrate into the cavity (712). Transmission wheels (55) are installed on the two ball screws (52) in the cavity (712) area, and transmission belts (56) are sleeved on the two transmission wheels (55).

7. A thermoforming press according to claim 1, characterized in that: A mounting plate (57) is installed on the inner side of the two nut seats (53), and the mounting plate (57) is connected to the side of the material receiving plate (40) through four fixing bolts.

8. A thermoforming press according to claim 1, characterized in that: A plurality of electrically controlled cooling fans (80) are installed at equal distances on the top of one side of the material receiving plate (40).

9. A thermoforming press according to claim 8, characterized in that: A storage groove (41) is provided on the top of the receiving plate (40) away from the electrically controlled cooling fan (80), and electrically controlled linear drive modules (90) are installed on both sides of the storage groove (41), and a push plate (42) is installed on the drive block of the electrically controlled linear drive module (90).

10. A method for using a thermoforming press according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: The upper die (20) is lowered and docked with the lower die (10) by operating the hydraulic cylinder (60) to complete the hot forming stamping; Step 2: The second motor (31) operates to cause the rotating shaft roller (32) to drive the lower mold (10) to flip; Step 3: After turning over 180°, the first motor (54) operates to rotate the two ball screws (52), so that the nut seat (53) drives the receiving plate (40) to rise until the receiving plate (40) is close to the lower mold (10), and waits for the material in the lower mold (10) to fall onto the receiving plate (40); Step 4: After the material is located on the receiving plate (40), the first motor (54) is operated to lower the receiving plate (40), and at the same time, the electrically controlled cooling fan (80) is operated to dissipate heat and cool the material on the receiving plate (40). Finally, the electrically controlled linear drive module (90) is started to push the push plate (42) out, and the material on the push plate (42) is removed from the outside.

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