Die structure applied to gas storage tank

Abstract

The utility model discloses a die structure applied to a gas storage tank, which relates to the technical field of die stamping and manufacturing, and comprises an upper die, a lower die, a lower die and a lower die, a knockout forming surface is arranged on the lower side of the knockout block; the position of the outer side wall of the lower die is used as a lower die side forming surface, and the position of the upper side of the lower die is used as a lower die top forming surface; the stripper plate is arranged on the lower die in a sleeving manner; when the upper die and the knockout block are pressed downwards for die assembly, the die top forming face and the knockout forming face can be matched to form the tank bottom part of a tank workpiece, then the upper die is sleeved with the lower die, and the lower die side forming face of the lower die and the inner side wall of the forming upper die through hole of the upper die can be matched to form the tank wall part of the tank workpiece. And when the upper die and the knockout block are reset upwards, the upper die and the knockout block cannot completely wrap the tank body workpiece, and the tank body workpiece can be jacked up by the rising of the material returning plate, so that the requirement on the die structure is lower, and the demolding of the tank body workpiece is easier.

Description

TECHNICAL FIELD

[0001] The utility model relates to stretch die manufacturing technical field especially, relates to a die structure for gas storage tank. BACKGROUND

[0002] The gas storage tank refers to the equipment specially used for storing gas, and the use amount of various gas storage tanks is large at present, therefore the production efficiency requirement of the gas storage tank is continuously improved. The commonly used technology at present is to prepare the gas storage tank by adopting the stamping die, needs the die cavity of the die to cover the inner and outer side wall surface of the whole gas storage tank product to ensure the smooth forming, and the precision requirement of the die is higher. Moreover, the workpiece after stamping is also easy to be stuck in the die and cause material sticking and not easy to demould, thereby affecting the improvement of the production efficiency. The stretch die forming can conveniently demould, but the forming effect of the stretch die on the gas storage tank is not good enough, and the outer surface of the gas storage tank product is easy to appear local wrinkle. SUMMARY

[0003] The utility model discloses at least solve one of the technical problems in the prior art. For this purpose, the utility model provides a die structure for gas storage tank.

[0004] According to the die structure for gas storage tank of the utility model embodiment, including: the upper die is located at the upside as the moving die, the upper die is connected to the lower side of the liftable movable upper die plate, the upper die has a forming upper die through hole, the material hitting block is located above the forming upper die through hole, the material hitting block can be liftable, the material hitting block lower side has a material hitting forming surface, the lower die is located at the lower side as the fixed die, the lower die is connected to the upper side of the lower die plate, the lower die can pass through the forming upper die through hole from below to above as the male die structure and bear against the material hitting block lower side, the lower die outer side wall position is as the lower die side forming surface, the lower die upper side position is as the lower die top forming surface, the lower die side forming surface and the inside wall of the forming upper die through hole cooperate to form the tank wall part of the tank body workpiece, and the lower die top forming surface cooperates with the material hitting forming surface to form the tank bottom part of the tank body workpiece, the material stripping plate is sleeved on the lower die, and the material stripping plate can be liftable along the lower die.

[0005] According to some embodiments of the utility model, the upper die plate upper side and the upper die plate lower side are connected with the upper die plate connecting rod, the material hitting block upper side is provided with the vertical material hitting block lifting connecting rod, and the material hitting block lifting connecting rod upper side passes through the upper die plate and is connected with the material hitting block lifting control device.

[0006] According to some embodiments of the utility model, the material hitting block upper side is provided with the material hitting block backing plate.

[0007] According to some embodiments of the utility model, the material hitting block includes the material hitting block mounting plate on the upper side and the material hitting block forming plate on the lower side, and the material hitting forming surface is located on the lower side of the material hitting block forming plate.

[0008] According to some embodiments of the utility model, the upper die top plate is installed on the lower side of the upper die mounting plate, the elongated adjusting mounting groove is arranged on the lower side of the upper die mounting plate, and the upper die top plate is connected with the elongated adjusting mounting groove through screws.

[0009] According to some embodiments of the utility model, the material hitting block includes the material hitting block mounting plate on the upper side and the material hitting block forming plate on the lower side, and the material hitting forming surface is located on the lower side of the material hitting block forming plate.

[0010] According to some embodiments of the utility model, the material hitting block includes the material hitting block mounting plate on the upper side and the material hitting block forming plate on the lower side, and the material hitting forming surface is located on the lower side of the material hitting block forming plate.

[0011] According to some embodiments of the utility model, the material hitting block includes the material hitting block mounting plate on the upper side and the material hitting block forming plate on the lower side, and the material hitting forming surface is located on the lower side of the material hitting block forming plate.

[0012] According to some embodiments of the utility model, the material hitting block includes the material hitting block mounting plate on the upper side and the material hitting block forming plate on the lower side, and the material hitting forming surface is located on the lower side of the material hitting block forming plate.

[0013] According to some embodiments of the utility model, the waste box is arranged below the lower die opening hole.

[0014] The die structure applied to the gas storage tank according to the utility model has at least the following technical effects: when the upper die and the material hitting block are pressed downward to be combined, the die top forming surface and the material hitting forming surface can cooperate to form the bottom part of the tank body workpiece, then the upper die is sleeved into the lower die, the lower die side forming surface of the lower die and the inner side wall of the forming upper die through hole of the upper die can cooperate to form the wall part of the tank body workpiece, the forming work of the tank body workpiece is quickly completed, the forming effect is better, and wrinkles on the surface of the workpiece are avoided.

[0015] Additional aspects and advantages of the utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0016] The additional aspects and advantages of the present application will become apparent from and be elucidated with reference to the embodiments described hereinafter with reference to the drawings, wherein:

[0017] Figure 1 is a perspective view of the present application;

[0018] Figure 2 is a structural schematic view of the present application;

[0019] Figure 3 is a sectional view of the present application;

[0020] Figure 4 is a structural schematic view of the second embodiment of the present application;

[0021] Figure 5 is a sectional view of the second embodiment of the present application;

[0022] Figure 6 is a structural schematic view of the third embodiment of the present application;

[0023] Figure 7 is a sectional view of the third embodiment of the present application.

[0024] Reference signs:

[0025] upper die 100, upper die through hole 101, tank mouth forming surface 102, upper die plate 110, upper die top plate 120, upper die plate connecting rod 121, upper die mounting plate 130, long-shaped adjusting mounting groove 131; material hitting block 200, material hitting block mounting plate 210, material hitting block forming plate 220, material hitting forming surface 221, material hitting block pad plate 230, material hitting block lifting connecting rod 240, punch pin 250, material hitting block support plate 260; lower die 300, lower die side forming surface 301, lower die top forming surface 302, lower die opening hole 303, lower die plate 310, concave die sleeve 320, concave die sleeve hole 321, waste box 330, lower die bottom plate 340, lower die plate connecting rod 341; material returning plate 400, material returning plate forming part 410, material returning plate mounting plate 420, material returning plate forming surface 421, material returning plate ejector rod 430; tank body workpiece 500, tank wall part 510, tank bottom part 520, tank bottom opening 521, tank mouth part 530. DETAILED DESCRIPTION

[0026] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0027] In the description of the utility model, it is understood that the orientation description, such as the orientation or positional relationship of the indication of up, down, front, back, left, right and the like, is based on the orientation or positional relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0028] In the description of the utility model, the meaning of multiple is two or more, and greater than, less than, more than and the like are understood as not including the number. If the first and the second are described, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0029] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing and connecting should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0030] The following refers to Figure 1 and Figure 2 The mold structure applied to the gas storage tank according to the embodiments of the utility model is described.

[0031] As Figure 1 and Figure 2 indicated, the mold structure applied to the gas storage tank according to the embodiments of the utility model comprises an upper die 100, a material hitting block 200, a lower die 300 and a material withdrawing plate 400.

[0032] Referring to Figure 2 , Figure 3 , the upper die 100 is located on the upper side as a movable die, the upper die 100 is connected to the lower side of the liftable upper die plate 110, the upper die 100 has a forming upper die through hole 101; the material hitting block 200 is located above the forming upper die through hole 101, the material hitting block 200 can be liftable, and the material hitting block 200 has a material hitting forming surface 221 on the lower side; the lower die 300 is located on the lower side as a fixed die, the lower die 300 is connected to the upper side of the lower die plate 310, the lower die 300 can pass through the forming upper die through hole 101 from the lower side to the upper side as a male die structure and press against the lower side of the material hitting block 200, the lower die 300 has a lower die side forming surface 301 on the outer side wall position, the lower die 300 has a lower die top forming surface 302 on the upper side position, the lower die side forming surface 301 cooperates with the inner side wall of the forming upper die through hole 101 to form a tank wall part 510 of the tank body workpiece 500, and the lower die top forming surface 302 cooperates with the material hitting forming surface 221 to form a tank bottom part 520 of the tank body workpiece 500; the material withdrawing plate 400 is sleeved on the lower die 300, and the material withdrawing plate 400 can be liftable along the lower die 300.

[0033] For example, as shown in Figure 1 , Figure 2 and Figure 3 , the upper die 100 is located on the upper side as a movable die, and is connected to the lower side of the upper die plate 110 which is movable up and down. The upper die 100 has a forming upper die hole 101. The knockout block 200 is located above the forming upper die hole 101, and is movable up and down. The lower side of the knockout block 200 has a knockout forming surface 221.

[0034] The lower die 300 is located on the lower side as a fixed die, and is connected to the upper side of the lower die plate 310. The lower die 300 is structured as a punch, and can pass through the forming upper die hole 101 from the lower side to the upper side, and press against the lower side of the knockout block 200. The outer side wall of the lower die 300 is located as a lower die side forming surface 301, and the upper side of the lower die 300 is located as a lower die top forming surface 302. The lower die side forming surface 301 cooperates with the inner side wall of the forming upper die hole 101 to form the can wall part 510 of the can body workpiece 500. The lower die top forming surface 302 cooperates with the knockout forming surface 221 to form the can bottom part 520 of the can body workpiece 500, so that the plate material is processed into the can body workpiece 500. The knockout plate 400 is sleeved on the lower die 300, and is movable up and down along the lower die 300. The upper end surface of the knockout plate 400 is located as a placement surface, and can place the plate material to be processed.

[0035] In actual work, when the mold structure of the utility model is in the mold opening state, the upper die 100 and the knockout block 200 are raised, and at the same time, the knockout plate 400 is also raised to the position where the upper end surface of the knockout plate 400 is flush with the upper end surface of the lower die 300 or higher than the upper end surface of the lower die 300, so that the plate material can be placed on the knockout plate 400.

[0036] When the stamping work is performed, the upper die 100 and the knockout block 200 are pressed downward, and the knockout forming surface 221 of the knockout block 200 first presses the position of the plate material on the lower die top forming surface 302 of the lower die 300, so that the lower die top forming surface 302 and the knockout forming surface 221 can cooperate to form the can bottom part 520 of the can body workpiece 500.

[0037] The upper die 100 continues to be pressed downward, and the lower die 300 continues to press against the lower side of the knockout block 200, so that the lower die 300 passes through the forming upper die hole 101 from the lower side to the upper side. When the upper die 100 travels to the predetermined position, the lower die side forming surface 301 of the lower die 300 and the inner side wall of the forming upper die hole 101 of the upper die 100 can cooperate to form the can wall part 510 of the can body workpiece 500. In this way, the forming work of the can body workpiece 500 is completed.

[0038] Then start to demould, the upper die 100 and the material removing block 200 are raised again to reset, in this process, the material removing plate 400 is raised to lift the can body workpiece 500, which is equivalent to making the can body workpiece 500 also follow the demoulding. In this way, the whole can body workpiece 500 processing work is completed.

[0039] In some embodiments of the utility model, the same power source can be used for lifting the upper die 100 and the material removing block 200, or different power sources can be used to control the lifting activities.

[0040] In some embodiments of the utility model, referring to Figure 4 , Figure 5 , the upper die plate 110 is provided with an upper die top plate 120, and the upper side of the upper die plate 110 is connected with the lower side of the upper die top plate 120 through an upper die plate connecting rod 121; the upper side of the material removing block 200 is provided with a vertical material removing block lifting connecting rod 240, the upper side of the material removing block lifting connecting rod 240 penetrates through the upper die top plate 120 and is externally connected with a material removing block lifting control device, so as to facilitate the control of the lifting action of the material removing block 200.

[0041] In some embodiments of the utility model, referring to Figure 6 , Figure 7 , the upper side of the material removing block 200 is provided with a material removing block backing plate 230, so that when the material removing block 200 is lifted to the end, the material removing block backing plate 230 can play a buffering role to avoid damage or even falling of the material removing block 200.

[0042] In some embodiments of the utility model, referring to Figure 4 , Figure 5 , the material removing block 200 comprises a material removing block mounting plate 210 on the upper side and a material removing block forming plate 220 on the lower side, and a material removing forming surface 221 is located on the lower side of the material removing block forming plate 220. The material removing block mounting plate 210 is connected with the lifting device of the material removing block. The material removing forming surface 221 needs to match the shape of the can bottom part 520 of the can body workpiece 500, and the material removing block forming plate 220 can be replaced according to the shape of the can bottom part 520.

[0043] In some embodiments of the utility model, referring to Figure 1 , the upper die top plate 120 is installed on the lower side of an upper die mounting plate 130, the lower side of the upper die mounting plate 130 is provided with an elongated adjusting installation groove 131, and the upper die top plate 120 is connected with the elongated adjusting installation groove 131 through screws. The upper die top plate 120 serves as the mounting structure of the whole upper die 100, and the upper die top plate 120 can be finely adjusted in the mounting position of the upper die mounting plate 130 along the elongated adjusting installation groove 131 to ensure the alignment position of the upper and lower dies.

[0044] In some embodiments of the utility model, the lower side of the material return plate 400 and the upper side of the lower die plate 310 are provided with elastic devices, such as springs, gas springs, air cushions, etc. In this way, the material return plate 400 can be lifted along the elastic devices.

[0045] In some embodiments of the utility model, referring to Figures 2-4 , the lower side of the material return plate 400 is provided with a material return plate ejector rod 430, and the lower side of the material return plate ejector rod 430 is externally connected to a material return plate lifting control device, that is, the material return plate 400 controls the lifting of the material return plate 400 by pulling the material return plate ejector rod 430 through the material return plate lifting control device, which meets the requirement of large-stroke lifting of the material return plate 400.

[0046] In some embodiments of the utility model, the material return plate 400 includes a material return plate forming part 410 on the upper side and a material return plate mounting plate 420 on the lower side, the material return plate forming part 410 is provided with a material return plate forming surface 421, the lower side of the upper die through hole 101 is provided with a jar opening forming surface 102, and the jar opening forming surface 102 cooperates with the material return plate forming surface 421 to form the jar opening part 530 of the jar body workpiece 500.

[0047] In some embodiments of the utility model, the punch 250 is arranged on the material forming surface 221, and the lower die 300 is provided with a vertical lower die opening hole 303, the punch 250 can be inserted into the lower die opening hole 303 after penetrating the jar bottom part 520 to punch the jar bottom part 520 as a jar bottom opening 521, so that the jar bottom opening 521 structure can be opened according to the design requirement of the jar body workpiece 500.

[0048] In some embodiments of the utility model, the lower die opening hole 303 is provided with a die sleeve 320 on the upper side, the die sleeve 320 is provided with a die sleeve hole 321, and the punch 250 can be inserted into the die sleeve hole 321 after penetrating the jar bottom opening 521. That is, the punch 250 cooperates with the die sleeve hole 321 to punch the jar bottom part 520. This design can reduce the wear of the lower die 300 during the punching process and also ensure that the punching precision meets the requirements.

[0049] In some embodiments of the utility model, the punch 250, the material block mounting plate 210 and the material block forming plate 220 are provided with buffer springs, and the punch 250 extends downward through the material block forming plate 220. When punching, the material block forming plate 220 first presses the jar bottom part 520, then the material block mounting plate 210 compresses the buffer spring, and the punch 250 penetrates the material block forming plate 220 to punch the jar bottom part 520. In this way, the punching process is more stable and reliable, and the punching precision is further ensured to meet the requirements.

[0050] In some embodiments of the utility model, the lower die opening hole 303 is provided below with a waste box 330 for collecting the debris generated in the punching process of the tank bottom opening 521.

[0051] According to the mold device of the second aspect of the utility model, the mold structure applied to the gas storage tank according to the first aspect of the utility model is adopted.

[0052] According to the mold device of the utility model, the mold structure applied to the gas storage tank is adopted, the tank body workpiece 500 of different thickness sizes can be prepared, the mold structure is simple and easy to use, the simple design of the mold device can be realized, the workpiece demolding is convenient, the vibration and noise generated during the work of the mold device can be improved, and the production environment quality is improved.

[0053] Other configurations and operations of the mold device of the utility model are known to those skilled in the art, and will not be described in detail here.

[0054] The following description is made with reference to Figure 1 and Figure 2 The mold structure applied to the gas storage tank according to the utility model is described in detail with a specific embodiment. It should be understood that the following description is only exemplary and is not a specific limitation of the utility model.

[0055] As shown in Figure 1 and Figure 2 The mold structure applied to the gas storage tank of the utility model includes an upper die 100, a material hitting block 200, a lower die 300 and a material returning plate 400, a tank body workpiece 500 is processed by stamping, and the forming work of a tank wall part 510, a tank bottom part 520, a tank bottom opening 521 and a tank opening part 530 is completed.

[0056] The upper die 100 and the material hitting block 200 are located on the upper side. The upper die 100 includes a forming upper die through hole 101, a tank opening forming surface 102, an upper die plate 110, an upper die top plate 120, an upper die plate connecting rod 121, an upper die mounting plate 130, an elongated adjusting mounting groove 131. The material hitting block 200 includes a material hitting block mounting plate 210, a material hitting block forming plate 220, a material hitting forming surface 221, a material hitting block backing plate 230, a material hitting block lifting connecting rod 240, a punch pin 250, a material hitting block support plate 260.

[0057] The lower die 300 and the material return plate 400 are located at the lower side. The lower die 300 comprises a lower die side forming surface 301, a lower die top forming surface 302, a lower die opening hole 303, a lower die plate 310, a concave die sleeve 320, a concave die sleeve hole 321, a waste box 330, a lower die bottom plate 340, and a lower die plate connecting rod 341. The material return plate 400 comprises a material return plate forming part 410, a material return plate mounting plate 420, a material return plate forming surface 421, and a material return plate top rod 430.

[0058] According to the mold structure applied to the gas storage tank, when the upper die 100 and the material removing block 200 are pressed downward to perform the mold closing, the mold top forming surface 302 and the material removing forming surface 221 can cooperate to form the tank bottom part 520 of the tank body workpiece 500, and then the upper die 100 is sleeved into the lower die 300, the lower die side forming surface 301 of the lower die 300 and the inner side wall of the forming upper die through hole 101 of the upper die 100 can cooperate to form the tank wall part 510 of the tank body workpiece 500, and the forming work of the tank body workpiece 500 is quickly completed, which not only has better forming effect, avoids the wrinkles on the surface of the workpiece, but also significantly improves the production efficiency; when the upper die 100 and the material removing block 200 are reset, since the upper die 100 and the material removing block 200 cannot completely cover the tank body workpiece 500, and the material return plate 400 is raised to lift the tank body workpiece 500, the demolding of the tank body workpiece 500 is easier; the whole mold structure is simple and easy to use, and is very suitable for small and medium-sized production lines.

[0059] In the description of the present specification, the description referring to the terms "some embodiments" or "it is conceivable that" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiments or examples are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0060] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A mold structure applied to a gas storage tank, characterized by, The utility model relates to a kind of moulding machines, including: Upper die (100), as movable die is located upper side, the upper die (100) is connected to the lower side of liftable movable upper die plate (110), the upper die (100) has forming upper die through-hole (101); Material block (200), located above the forming upper die through-hole (101), the material block (200) can be liftable, the material block (200) lower side has material forming surface (221); Lower die (300), as fixed die is located lower side, the lower die (300) is connected to the upper side of lower die plate (310), the lower die (300) can be as male die structure from below and pass through the forming upper die through-hole (101) and press against the lower side of material block (200), the lower die (300) outer wall position is as lower die side forming surface (301), the lower die (300) upper side position is as lower die top forming surface (302), the lower die side forming surface (301) is matched with the inner wall of the forming upper die through-hole (101) and is formed to the tank wall part (510) of can body workpiece (500), the lower die top forming surface (302) is matched with the material forming surface (221) and is formed to the tank bottom part (520) of can body workpiece (500); Material withdrawal plate (400), is sleeved on the lower die (300), the material withdrawal plate (400) can be liftable along the lower die (300).

2. The mold structure for a gas storage tank according to claim 1, wherein Upper die top plate (120) is provided above the upper die plate (110), and upper die plate connecting rod (121) is connected between the upper side of the upper die plate (110) and the lower side of the upper die top plate (120), and vertical material block lifting connecting rod (240) is provided on the upper side of the material block (200), and the upper side of the material block lifting connecting rod (240) passes through the upper die top plate (120) and is connected with material block lifting control device.

3. The mold structure for a gas storage tank according to claim 2, wherein Material block backing plate (230) is provided on the upper side of the material block (200).

4. The mold structure for a gas storage tank according to claim 1, wherein The material block (200) includes material block mounting plate (210) on the upper side and material block forming plate (220) on the lower side, and the material forming surface (221) is located on the lower side of the material block forming plate (220).

5. The mold structure for a gas storage tank according to claim 2, wherein The upper die top plate (120) is installed on the lower side of the upper die mounting plate (130), and the elongated adjusting installation groove (131) is provided on the lower side of the upper die mounting plate (130), and the upper die top plate (120) is connected with the elongated adjusting installation groove (131) by screw.

6. The mold structure for a gas storage tank according to claim 1, wherein Material withdrawal plate top rod (430) is provided on the lower side of the material withdrawal plate (400), and the lower side of the material withdrawal plate top rod (430) is connected with material withdrawal plate lifting control device.

7. The mold structure for a gas storage tank according to claim 1, wherein The material withdrawal plate (400) includes material withdrawal plate forming part (410) on the upper side and material withdrawal plate mounting plate (420) on the lower side, the material withdrawal plate forming surface (421) is provided on the material withdrawal plate forming part (410), the tank mouth forming surface (102) is provided on the lower side of the forming upper die through-hole (101), and the tank mouth forming surface (102) is matched with the material withdrawal plate forming surface (421) and is formed to the tank mouth part (530) of can body workpiece (500).

8. The mold structure for a gas storage tank according to claim 1, wherein The material forming surface (221) is provided with a punch pin (250), the lower die (300) is provided with a vertical lower die opening hole (303), the punch pin (250) can be inserted into the lower die opening hole (303) after penetrating the tank bottom part (520) to punch the tank bottom part (520) as a tank bottom opening (521).

9. The mold structure for a gas storage tank according to claim 8, wherein The lower die opening hole (303) is provided with a concave die sleeve (320) on the upper side, the concave die sleeve (320) is provided with a concave die sleeve hole (321), and the punch pin (250) can be inserted into the concave die sleeve hole (321) through the tank bottom opening (521).

10. The mold structure for a gas storage tank according to claim 8, wherein The lower die opening hole (303) is provided with a waste box (330) below.

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