Small-caliber rupture disk forming device with good clamping effect

Abstract

The small-caliber rupture disk forming device comprises an upper die, a lower die, a material pressing mechanism, an abutting mechanism, a material bouncing mechanism and a hydraulic mechanism, the material pressing mechanism is installed on the upper die, the lower die is arranged below the upper die, the abutting mechanism is installed on the lower die, and the material bouncing mechanism is installed on the lower die. A material bouncing mechanism is installed in the middle of the lower die, the lower die is installed on a bottom plate, a hydraulic mechanism is installed on the bottom plate, and an upper die is installed on the hydraulic mechanism. The cover plate of the upper die moves downwards to wrap the six abutting sliding blocks and push the abutting sliding blocks to move centripetally, so that the inclined grooves of the six abutting sliding blocks abut against the edge of a rupture disk blank, clamping of the rupture disk blank is achieved, the clamping effect on a small-caliber rupture disk is improved through the inclined grooves of the abutting sliding blocks, and the clamping efficiency of the rupture disk blank is improved. And the small-caliber rupture disk is prevented from deviating in the forming process, the clamping stability is improved, and the forming accuracy of the rupture disk is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of bursting disc production, in particular to a small-caliber bursting disc forming device with good clamping effect. Background Art

[0002] Bursting discs are important safety devices to prevent overpressure damage to pressure equipment. They are widely used in chemical, petroleum, light industry, metallurgy, nuclear power, dust removal, fire protection, aviation and other industrial sectors. At present, the production of bursting discs usually adopts forming dies for stamping. Due to the small size of small-caliber bursting discs, it is not convenient to clamp them. It is difficult to stably clamp small-caliber bursting discs during the forming process, which easily affects the forming accuracy of the bursting discs. In view of the above defects, it is necessary to design a small-caliber bursting disc forming device with good clamping effect. Utility Model Content

[0003] The utility model aims to provide a small-caliber bursting disc forming device with good clamping effect, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a small-caliber bursting disc forming device with good clamping effect, comprising an upper mold, a lower mold, a material pressing mechanism, a tightening mechanism, a material springing mechanism and a hydraulic mechanism, wherein the upper mold is provided with a material pressing mechanism, a lower mold is arranged below the upper mold, a tightening mechanism is provided on the lower mold, a material springing mechanism is provided in the middle of the lower mold, the lower mold is installed on a bottom plate, a hydraulic mechanism is installed on the bottom plate, and the upper mold is installed on the hydraulic mechanism.

[0005] Preferably, the upper mold includes an upper mold mounting plate, an upper mold connecting plate, an upper mold mounting seat and an upper mold, a through hole is opened in the middle of the upper mold mounting plate, an upper mold connecting plate is installed at the bottom of the upper mold mounting plate, a step hole is opened in the middle of the upper mold connecting plate, an upper mold mounting seat is installed at the bottom of the upper mold connecting plate, and an accommodating cavity is opened in the middle of the upper mold mounting seat.

[0006] Preferably, an upper mold is installed at the bottom of the upper mold mounting seat, a hollow groove is opened in the middle of the upper mold, and six avoidance grooves evenly spaced are opened on the edge of the hollow groove on the upper mold, the avoidance grooves are used to accommodate the ends of the limit bolts in an avoidable manner, and the edge of the upper mold extends downward to form a cover plate surrounding the upper mold, and the cover wall of the cover plate is formed with an annular conical wall that is smaller at the top and larger at the bottom.

[0007] Preferably, the lower mold includes a lower mold base plate, a lower mold mounting seat and a lower mold, the lower mold base plate is installed on the bottom plate, six first grooves evenly spaced are provided at the bottom of the lower mold base plate, the lower mold mounting seat is installed on the top of the lower mold base plate, six first bolt holes evenly spaced are provided on the lower mold mounting seat, the lower mold is installed on the top of the lower mold mounting seat, six second bolt holes evenly spaced are provided on the lower mold, and a receiving groove is provided in the middle of the lower mold.

[0008] Preferably, the pressing mechanism includes a pressing head, which is slidably arranged in the accommodating cavity. The pressing head is a stepped cylindrical structure. A second groove is opened on the pressing head. A connecting rod is installed in the second groove. A first spring is mounted on the connecting rod. One end of the first spring is fixedly connected to the upper mold connecting plate, and the other end of the first spring is fixedly connected to the pressing head. The top of the connecting rod passes through the step hole and is fixedly connected to the limit block.

[0009] Preferably, the clamping mechanism includes a clamping slider, which is slidably arranged on the lower mold, an oblique groove is opened at one end of the clamping slider, the clamping slider is a fan-shaped structure, and six clamping sliders are arranged. The six clamping sliders can be slid close to and spliced ​​to form a circular clamping member, a strip groove is installed on the clamping slider, a limiting bolt is inserted in the strip groove, the bottom of the limiting bolt passes through the second bolt hole, the first bolt hole and the first groove in sequence and is screwed to the nut, a second spring is installed inside the strip groove, one end of the second spring is fixedly connected to the side wall of the strip groove, and the other end of the second spring is fixedly connected to the limiting bolt.

[0010] Preferably, the spring mechanism includes a spring block, which is a cylindrical structure. The spring block is slidably arranged in the accommodating groove. A third groove is opened at the bottom of the spring block. A third spring is arranged in the third groove. One end of the third spring is fixedly connected to the top wall of the third groove, and the other end of the third spring is fixedly connected to the lower mold mounting seat.

[0011] Preferably, the hydraulic mechanism includes a hydraulic cylinder, which is mounted on a hydraulic cylinder mounting plate, which is mounted on a base plate via four guide rods, which are sleeved with sliding sleeves, which are mounted on a pressure plate, and an upper mold mounting plate is mounted on the bottom of the pressure plate.

[0012] Compared with the prior art, the utility model provides a small-caliber bursting disc forming device with good clamping effect. The cover plate of the upper mold moves downward to cover the six pressing sliders, and pushes the pressing sliders to move centripetally, so that the inclined grooves of the six pressing sliders press the edges of the bursting disc blanks, thereby clamping the bursting disc blanks. The clamping effect on the small-caliber bursting disc is increased by the inclined grooves of the pressing sliders, which prevents the small-caliber bursting discs from shifting during the forming process, improves the stability of clamping, and ensures the accuracy of bursting disc forming. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the tightening mechanism in the utility model.

[0016] In the attached figure:

[0017] 1. Upper mold; 11. Upper mold mounting plate; 111. Through hole; 12. Upper mold connecting plate; 121. Step hole; 13. Upper mold mounting seat; 131. Accommodating cavity; 14. Upper mold; 141. Hollow groove; 142. Avoidance groove; 143. Cover plate; 2. Lower mold; 21. Lower mold base plate; 211. First groove; 22. Lower mold mounting seat; 221. First bolt hole; 23. Lower mold; 231. Second bolt hole; 232. Accommodating groove; 3. Pressing mechanism; 31. Pressing Material head; 32, second groove; 33, connecting rod; 34, first spring; 35, limit block; 4, tightening mechanism; 41, tightening slider; 411, strip groove; 42, limit bolt; 43, nut; 44, second spring; 45, inclined groove; 5, material ejection mechanism; 51, material ejection block; 511, third groove; 52, third spring; 6, bottom plate; 7, hydraulic mechanism; 71, hydraulic cylinder; 72, hydraulic cylinder mounting plate; 73, guide rod; 74, sliding sleeve; 75, pressure plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1 and 2 As shown, the utility model provides a technical solution: a small-caliber bursting disc forming device with good clamping effect, comprising an upper mold 1, a lower mold 2, a pressing mechanism 3, a tightening mechanism 4, a material springing mechanism 5 and a hydraulic mechanism 7, wherein the upper mold 1 is provided with the pressing mechanism 3, the lower mold 2 is arranged below the upper mold 1, the tightening mechanism 4 is installed on the lower mold 2, the material springing mechanism 5 is installed in the middle of the lower mold 2, the lower mold 2 is installed on a bottom plate 6, the bottom plate 6 is provided with a hydraulic mechanism 7, and the upper mold 1 is installed on the hydraulic mechanism 7.

[0020] The upper mold 1 in this embodiment includes an upper mold mounting plate 11, an upper mold connecting plate 12, an upper mold mounting seat 13 and an upper mold 14, a through hole 111 is opened in the middle of the upper mold mounting plate 11, an upper mold connecting plate 12 is installed at the bottom of the upper mold mounting plate 11, a step hole 121 is opened in the middle of the upper mold connecting plate 12, an upper mold mounting seat 13 is installed at the bottom of the upper mold connecting plate 12, a accommodating cavity 131 is opened in the middle of the upper mold mounting seat 13, an upper mold 14 is installed at the bottom of the upper mold mounting seat 13, a hollow groove 141 is opened in the middle of the upper mold 14, six avoidance grooves 142 arranged evenly spaced are opened on the edge of the hollow groove 141 on the upper mold 14, the avoidance groove 142 is used to avoidably accommodate the end of the limit bolt 42, the edge of the upper mold 14 extends downward to form a cover plate 143 surrounding the upper mold 14, and the cover wall of the cover plate 143 is formed with an annular conical wall which is smaller at the top and larger at the bottom.

[0021] The lower mold 2 in this embodiment includes a lower mold base plate 21, a lower mold mounting seat 22 and a lower mold 23. The lower mold base plate 21 is installed on the bottom plate 6. Six first grooves 211 are evenly spaced at the bottom of the lower mold base plate 21. The lower mold mounting seat 22 is installed on the top of the lower mold base plate 21. Six first bolt holes 221 are evenly spaced at the bottom of the lower mold mounting seat 22 are provided. The lower mold 23 is installed on the top of the lower mold mounting seat 22. Six second bolt holes 231 are evenly spaced at the bottom of the lower mold 23. The middle of the lower mold 23 is provided with a receiving groove 232.

[0022] The pressing mechanism 3 in this embodiment includes a pressing head 31, which is slidably arranged in the accommodating cavity 131. The pressing head 31 is a stepped cylindrical structure. A second groove 32 is opened on the pressing head 31. A connecting rod 33 is installed in the second groove 32. A first spring 34 is mounted on the connecting rod 33. One end of the first spring 34 is fixedly connected to the upper mold connecting plate 12, and the other end of the first spring 34 is fixedly connected to the pressing head 31. The top of the connecting rod 33 passes through the step hole 121 and is fixedly connected to the limit block 35.

[0023] The clamping mechanism 4 in this embodiment includes a clamping slider 41, which is slidably set on the lower mold 23, and an inclined groove 45 is opened at one end of the clamping slider 41. The clamping slider 41 is a fan-shaped structure, and the clamping slider 41 is provided with six blocks. The six clamping sliders 41 can slide close to and splice to form a circular clamping member, and a strip groove 411 is installed on the clamping slider 41. A limiting bolt 42 is inserted into the strip groove 411. The bottom of the limiting bolt 42 passes through the second bolt hole 231, the first bolt hole 221 and the first groove 211 in turn and is screwed to the nut 43. A second spring 44 is installed inside the strip groove 411, and one end of the second spring 44 is fixedly connected to the side wall of the strip groove 411, and the other end of the second spring 44 is fixedly connected to the limiting bolt 42.

[0024] The ejection mechanism 5 in this embodiment includes an ejection block 51, which is a cylindrical structure. The ejection block 51 is slidably arranged in the accommodating groove 232. A third groove 511 is provided at the bottom of the ejection block 51. A third spring 52 is arranged in the third groove 511. One end of the third spring 52 is fixedly connected to the top wall of the third groove 511, and the other end of the third spring 52 is fixedly connected to the lower mold mounting seat 22.

[0025] The hydraulic mechanism 7 includes a hydraulic cylinder 71, which is mounted on a hydraulic cylinder mounting plate 72. The hydraulic cylinder mounting plate 72 is mounted on the base plate 6 through four guide rods 73. A sliding sleeve 74 is mounted on the guide rod 73. The sliding sleeve 74 is mounted on a pressure plate 75. An upper mold mounting plate 11 is mounted on the bottom of the pressure plate 75. The piston rod of the hydraulic cylinder 71 is fixedly connected to the top of the pressure plate 75.

[0026] The working principle of the utility model is as follows: the blasting disc blank is placed in the middle of the six pressing slide blocks 41, the hydraulic cylinder 71 drives the pressing plate 75 to move downward, the upper die mounting plate 11, the upper die connecting plate 12, the upper die mounting seat 13 and the upper die 14 also move downward, the pressing head 31 on the upper die 14 presses the blasting disc blank downward to stamp the blasting disc blank. During the molding process, the first spring 34 and the third spring 52 are compressed, the spring block 51 moves downward and presses against the lower die mounting seat 22, and at this time, the cover plate 143 of the upper die 14 also moves downward to cover the six pressing slide blocks 41 and push the pressing slide blocks 41 centripetally. The six inclined grooves 45 of the pressing slide block 41 press the edges of the blasting disc blanks, thereby clamping the blasting disc blanks. The inclined grooves 45 of the pressing slide block 41 increase the clamping effect on small-diameter blasting discs, prevent small-diameter blasting discs from shifting during the forming process, improve the stability of clamping, and ensure the accuracy of blasting disc forming. The hydraulic cylinder 71 drives the upper die 14 to move upward for reset, and the pressing head 31 is reset under the push of the spring 34. At the same time, the second spring 44 pushes the pressing slide block 41 to reset, and the third spring 52 pushes the material block 51 to reset, so that the blasting disc blank is pushed out and floats on the material block 51 for easy material removal.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A small-caliber bursting disc forming device with good clamping effect, characterized in that: The invention comprises an upper mold (1), a lower mold (2), a material pressing mechanism (3), a pressing mechanism (4), a material springing mechanism (5) and a hydraulic mechanism (7); the upper mold (1) is provided with a material pressing mechanism (3); a lower mold (2) is arranged below the upper mold (1); a pressing mechanism (4) is provided on the lower mold (2); a material springing mechanism (5) is provided in the middle of the lower mold (2); the lower mold (2) is provided on a bottom plate (6); a hydraulic mechanism (7) is provided on the bottom plate (6); and the upper mold (1) is provided on the hydraulic mechanism (7).

2. According to claim 1, a small-caliber bursting disc forming device with good clamping effect is characterized in that: The upper mold (1) comprises an upper mold mounting plate (11), an upper mold connecting plate (12), an upper mold mounting seat (13) and an upper mold (14); a through hole (111) is provided in the middle of the upper mold mounting plate (11); an upper mold connecting plate (12) is installed at the bottom of the upper mold mounting plate (11); a step hole (121) is provided in the middle of the upper mold connecting plate (12); an upper mold mounting seat (13) is installed at the bottom of the upper mold connecting plate (12); and a receiving cavity (131) is provided in the middle of the upper mold mounting seat (13).

3. According to claim 2, a small-caliber bursting disc forming device with good clamping effect, characterized in that: An upper mold (14) is installed at the bottom of the upper mold mounting seat (13), a hollow groove (141) is opened in the middle of the upper mold (14), six avoidance grooves (142) are opened on the upper mold (14) at the edge of the hollow groove (141) and are evenly spaced, the edge of the upper mold (14) extends downward to form a cover plate (143) surrounding the upper mold (14), and a ring-shaped conical wall with a smaller upper part and a larger lower part is formed on the cover wall of the cover plate (143).

4. According to claim 1, a small-caliber bursting disc forming device with good clamping effect is characterized in that: The lower mold (2) comprises a lower mold base plate (21), a lower mold mounting seat (22) and a lower mold (23); the lower mold base plate (21) is mounted on a bottom plate (6); six first grooves (211) arranged evenly at intervals are provided at the bottom of the lower mold base plate (21); a lower mold mounting seat (22) is mounted on the top of the lower mold base plate (21); six first bolt holes (221) arranged evenly at intervals are provided on the lower mold mounting seat (22); a lower mold (23) is mounted on the top of the lower mold mounting seat (22); six second bolt holes (231) arranged evenly at intervals are provided on the lower mold (23); and a receiving groove (232) is provided in the middle of each lower mold (23).

5. According to claim 1, a small-caliber bursting disc forming device with good clamping effect is characterized in that: The pressing mechanism (3) comprises a pressing head (31), which is slidably arranged in the accommodating cavity (131), and is a stepped cylindrical structure. A second groove (32) is provided on the pressing head (31), and a connecting rod (33) is installed in the second groove (32). A first spring (34) is sleeved on the connecting rod (33), one end of the first spring (34) is fixedly connected to the upper mold connecting plate (12), and the other end of the first spring (34) is fixedly connected to the pressing head (31), and the top of the connecting rod (33) passes through the stepped hole (121) and is fixedly connected to the limit block (35).

6. According to claim 1, a small-caliber bursting disc forming device with good clamping effect is characterized in that: The clamping mechanism (4) comprises a clamping slider (41), which is slidably arranged on the lower mold (23), one end of which is provided with an oblique groove (45), the clamping slider (41) is a fan-shaped structure, and is provided with six clamping sliders (41), which can be slid close to and spliced ​​to form a clamping member in a circular ring shape, a strip groove (411) is installed on the clamping slider (41), a limiting bolt (42) is inserted in the strip groove (411), the bottom of the limiting bolt (42) passes through the second bolt hole (231), the first bolt hole (221) and the first groove (211) in sequence and is screwed with the nut (43), a second spring (44) is installed inside the strip groove (411), one end of the second spring (44) is fixedly connected to the side wall of the strip groove (411), and the other end of the second spring (44) is fixedly connected to the limiting bolt (42).

7. According to claim 1, a small-caliber bursting disc forming device with good clamping effect, characterized in that: The spring mechanism (5) comprises a spring block (51), which is a cylindrical structure. The spring block (51) is slidably arranged in the accommodating groove (232), and a third groove (511) is provided at the bottom of the spring block (51). A third spring (52) is arranged in the third groove (511), one end of the third spring (52) is fixedly connected to the top wall of the third groove (511), and the other end of the third spring (52) is fixedly connected to the lower mold mounting seat (22).

8. According to claim 1, a small-caliber bursting disc forming device with good clamping effect, characterized in that: The hydraulic mechanism (7) comprises a hydraulic cylinder (71), the hydraulic cylinder (71) is mounted on a hydraulic cylinder mounting plate (72), the hydraulic cylinder mounting plate (72) is mounted on a base plate (6) via four guide rods (73), a sliding sleeve (74) is sleeved on the guide rod (73), the sliding sleeve (74) is mounted on a pressing plate (75), and an upper mold mounting plate (11) is mounted at the bottom of the pressing plate (75).

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