Stamping tool for shielding case production

Abstract

The utility model relates to the technical field of shielding case production, and discloses a stamping tool for shielding case production, which comprises a stamping table, the fixed die is arranged on the stamping table; the upper inverted U-shaped frame is arranged on the stamping table, and the upper inverted U-shaped frame is used for mounting and bearing; the stamping structure is arranged on the upper inverted-U-shaped frame and movably connected with the fixed die, and the stamping structure is used for conducting stamping and buffering protection in the stamping process. And the demolding structure is arranged at the bottom end of the stamping table and movably connected with the interior of the fixed mold, the demolding structure is used for conducting rapid demolding on the formed shielding case, an assembling groove is formed in the top end of the stamping table, and the fixed mold is detachably arranged on the assembling groove. According to the utility model, not only can buffer protection be conveniently carried out in the stamping process, but also the stamping-formed shielding case can be conveniently and rapidly ejected and demoulded.

Description

Technical Field

[0001] The utility model relates to the technical field of shielding cover production, in particular to a punching tool for shielding cover production. Background Art

[0002] A shielding cover is a shell material used to shield electromagnetic waves or electromagnetic radiation. In modern electronic equipment and communication systems, in order to prevent electromagnetic waves or radiation from interfering with the surrounding environment, or to prevent external electromagnetic waves or radiation from affecting the operation of the equipment, shielding covers are usually used for protection. When producing shielding covers, stamping dies are required for stamping production.

[0003] The existing patent is a stamping tool for the production of shielding frame covers, with the publication number CN218049828U. In the embodiment of the patent, matching supporting templates are customized according to different types of shielding covers, and the corresponding supporting templates are installed in the installation groove to cope with the production of different types of shielding covers and reduce production costs. However, the inventor found that the formed shielding cover is pressed in the lower mold, which makes it inconvenient to demold the shielding cover. Therefore, we propose a stamping tool for the production of shielding covers. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a stamping tool for producing a shielding cover, which has the advantages of being convenient for quickly ejecting and demolding the shielding cover after stamping, and solves the problem that the shielding cover after molding is pressed in the lower mold, making it inconvenient to demold the shielding cover.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of conveniently ejecting and demoulding the shielding cover after stamping, the utility model provides the following technical solutions: a stamping tool for producing the shielding cover, comprising a stamping table;

[0008] A fixed die, the fixed die is arranged on the stamping platform;

[0009] An inverted U-shaped frame, the inverted U-shaped frame is arranged on the punching table, and the inverted U-shaped frame is used for installation and bearing;

[0010] A stamping structure, which is arranged on the inverted U-shaped frame and is movably connected to the fixed die, and is used for stamping and buffering protection during the stamping process;

[0011] A demoulding structure is provided on the bottom end of the punching table and is movably connected to the interior of the fixed mold. The demoulding structure is used for quickly demoulding the formed shielding cover.

[0012] As a preferred technical solution of the utility model, an assembly groove is opened inside the top of the stamping table, and the fixed mold is detachably arranged on the assembly groove. The inner cavity of the fixed mold is movably connected to the stamping structure to facilitate the installation of the fixed mold and stamping.

[0013] As a preferred technical solution of the utility model, the stamping structure includes a hydraulic cylinder, the hydraulic cylinder is fixedly connected to the upper inverted U-shaped frame, the telescopic rod on the hydraulic cylinder passes through the interior of the upper inverted U-shaped frame, and an upper limit plate is fixedly installed on the extension part, and a detachable movable mold is provided at the bottom end of the upper limit plate, and the movable mold is movably connected to the fixed mold, and the two are matched;

[0014] An upper limit rod is provided inside the upper limit plate, the bottom end of the upper limit rod is fixedly connected to the top end of the stamping table, the top end of the upper limit rod is fixedly connected to the top wall of the inner cavity of the upper inverted U-shaped frame, and a buffer airbag is movably sleeved on the outer surface of the upper limit rod, and the bottom end of the buffer airbag contacts the top end of the stamping table. By starting the hydraulic cylinder, the telescopic rod on the hydraulic cylinder drives the upper limit plate to move, and the upper limit plate drives the movable mold to move toward the fixed mold until the movable mold and the fixed mold are cooperated to stamp into a shielding cover. During the stamping, the upper limit plate moves along the outer surface of the upper limit rod and is squeezed into contact with the buffer airbag. At the same time, the upper limit plate squeezes the buffer airbag and undergoes elastic deformation to play a role of buffering protection, thereby facilitating buffering protection of the stamping process, thereby avoiding damage to the movable mold or the fixed mold due to excessive stamping pressure.

[0015] As a preferred technical solution of the utility model, an upper limit hole is opened inside the upper limit plate, and the inner cavity of the upper limit hole is movably connected with the outer surface of the upper limit rod to facilitate the upper limit plate to move along the outer surface of the upper limit rod.

[0016] As a preferred technical solution of the utility model, a flexible hollow partition is fixedly installed on the inner cavity wall of the buffer airbag, and a middle buffer cavity and two side buffer cavities are formed by two flexible hollow partitions, so that the gas in the middle buffer cavity can be squeezed into the side buffer cavity to play a buffering and protective role.

[0017] As a preferred technical solution of the utility model, the assembly groove and the bottom wall of the inner cavity of the fixed mold are both provided with through holes, and the inner cavity of the through holes is movably connected to the demolding structure to facilitate the demolding structure to quickly eject the stamped shielding cover.

[0018] As a preferred technical solution of the utility model, the demoulding structure includes an inverted U-shaped frame, which is fixedly connected to the bottom end of the punching table, a cylinder is fixedly installed on the inverted U-shaped frame, a piston rod on the cylinder penetrates the interior of the inverted U-shaped frame, and a lower limit plate is fixedly installed on the extension part, a lower limit rod is provided inside the lower limit plate, one end of the lower limit rod is fixedly connected to the inner bottom wall of the inverted U-shaped frame, and the other end of the lower limit rod is fixedly connected to the bottom end of the punching table, an ejector rod is fixedly installed on the top of the lower limit plate, and the outer surface of the ejector rod is movably connected to the inner cavity of the through hole, by starting the cylinder, the piston rod on the cylinder drives the lower limit plate to move, and the lower limit plate drives the ejector rod to penetrate the inner cavity of the through hole and eject the stamped shielding cover, during which the lower limit plate moves along the outer surface of the lower limit rod and plays a role of limiting guide, thereby facilitating the rapid ejection and demoulding of the formed shielding cover.

[0019] As a preferred technical solution of the utility model, a lower limit hole is opened inside the lower limit plate, and the inner cavity of the lower limit hole is movably connected to the outer surface of the lower limit rod to facilitate the lower limit plate to move along the outer surface of the lower limit rod, thereby playing a role of limit guide.

[0020] (III) Beneficial effects

[0021] Compared with the prior art, the utility model provides a punching tool for producing a shielding cover, which has the following beneficial effects:

[0022] 1. The stamping tooling for producing the shielding cover starts the cylinder. At this time, the piston rod on the cylinder drives the lower limit plate to move, and the lower limit plate drives the ejector rod to penetrate the inner cavity of the through hole and eject the stamped shielding cover. During this period, the lower limit plate moves along the outer surface of the lower limit rod and plays a role of limit guide, so as to facilitate the rapid ejection and demoulding of the stamped shielding cover.

[0023] 2. The stamping tooling for producing the shielding cover places the raw materials for producing the shielding cover in the fixed mold, and then starts the hydraulic cylinder. At this time, the telescopic rod on the hydraulic cylinder drives the upper limit plate to move, and the upper limit plate drives the movable mold to move toward the fixed mold until the movable mold and the fixed mold cooperate to stamp out the shielding cover. During the stamping, the upper limit plate moves along the outer surface of the upper limit rod and is squeezed into contact with the buffer air bag. At the same time, the upper limit plate squeezes the buffer air bag and undergoes elastic deformation. At this time, the upper limit plate squeezes the gas in the middle buffer cavity into the side buffer cavity to play a role of buffering protection, thereby facilitating buffering protection of the stamping process, and thereby avoiding damage to the movable mold or the fixed mold due to excessive stamping pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is an overall schematic diagram of the demoulding structure of the utility model;

[0026] Figure 3 This is a schematic cross-sectional view of the cushioning airbag of the utility model;

[0027] Figure 4 It is a three-dimensional schematic diagram of the demoulding structure of the utility model.

[0028] In the figure: 1. stamping table; 11. assembly groove; 2. fixed mold; 3. upper inverted U-shaped frame; 4. stamping structure; 41. hydraulic cylinder; 42. upper limit plate; 43. movable mold; 44. upper limit rod; 45. cushioning airbag; 451. flexible hollow partition; 452. middle cushioning cavity; 453. side cushioning cavity; 5. demoulding structure; 51. lower inverted U-shaped frame; 52. cylinder; 53. lower limit plate; 54. lower limit rod; 55. ejector rod. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0030] Example 1

[0031] Reference Figure 1-3 , which is the first embodiment of the utility model, provides a stamping tool for producing a shielding cover, including a stamping table 1;

[0032] A fixed die 2, which is arranged on the punching platform 1;

[0033] An inverted U-shaped frame 3 is disposed on the punching table 1 and is used for installation and bearing;

[0034] A stamping structure 4, which is disposed on the upper inverted U-shaped frame 3 and is movably connected to the fixed die 2. The stamping structure 4 is used for stamping and buffering protection during the stamping process;

[0035] The demoulding structure 5 is arranged on the bottom end of the punching table 1 and is movably connected to the inside of the fixed mold 2. The demoulding structure 5 is used for quickly demoulding the formed shielding cover.

[0036] An assembly groove 11 is provided inside the top of the punching table 1 , and the fixed mold 2 is detachably arranged on the assembly groove 11 , and the inner cavity of the fixed mold 2 is movably connected to the punching structure 4 .

[0037] The stamping structure 4 includes a hydraulic cylinder 41, which is fixedly connected to the upper inverted U-shaped frame 3. The telescopic rod on the hydraulic cylinder 41 penetrates the interior of the upper inverted U-shaped frame 3, and an upper limit plate 42 is fixedly installed on the extended portion. A detachable movable die 43 is provided at the bottom end of the upper limit plate 42. The movable die 43 is movably connected to the fixed die 2, and the two are matched.

[0038] An upper limit rod 44 is provided inside the upper limit plate 42, the bottom end of the upper limit rod 44 is fixedly connected to the top of the punching table 1, the top of the upper limit rod 44 is fixedly connected to the top wall of the inner cavity of the upper inverted U-shaped frame 3, and a buffer air bag 45 is movably sleeved on the outer surface of the upper limit rod 44, and the bottom end of the buffer air bag 45 is in contact with the top of the punching table 1.

[0039] An upper limit hole is formed inside the upper limit plate 42 , and an inner cavity of the upper limit hole is movably sleeved with an outer surface of the upper limit rod 44 .

[0040] A flexible hollow partition 451 is fixedly mounted on the inner cavity wall of the buffer airbag 45 , and two flexible hollow partitions 451 form a middle buffer cavity 452 and two side buffer cavities 453 .

[0041] During use, the raw materials for producing the shielding cover are placed in the fixed mold 2, and then the hydraulic cylinder 41 fixed on the upper inverted U-shaped frame 3 is started. At this time, the telescopic rod on the hydraulic cylinder 41 drives the upper limit plate 42 fixed on the telescopic rod to move, and the upper limit plate 42 drives the movable mold 43 to move closer to the fixed mold 2 until the movable mold 43 and the fixed mold 2 are cooperated to stamp out the shielding cover. During the stamping, the upper limit plate 42 moves along the outer surface of the upper limit rod 44 and is squeezed and contacted with the buffer airbag 45. At the same time, the upper limit plate 42 squeezes the buffer airbag 45 and undergoes elastic deformation. At this time, the upper limit plate 42 squeezes the gas in the middle buffer cavity 452 into the side buffer cavity 453 to play a role of buffering protection, thereby facilitating buffering protection of the stamping process, and thereby avoiding damage to the movable mold 43 or the fixed mold 2 due to excessive stamping pressure.

[0042] Example 2

[0043] Reference Figure 1-4 , which is the second embodiment of the utility model. This embodiment is different from the first embodiment in that the assembly groove 11 and the bottom wall of the inner cavity of the fixed mold 2 are both provided with through holes, and the inner cavity of the through hole is movably connected to the demoulding structure 5.

[0044] The demolding structure 5 includes a downwardly inverted U-shaped frame 51, which is fixedly connected to the bottom end of the punching table 1, and a cylinder 52 is fixedly installed on the downwardly inverted U-shaped frame 51. The piston rod on the cylinder 52 passes through the interior of the downwardly inverted U-shaped frame 51, and a lower limit plate 53 is fixedly installed on the extension portion. A lower limit rod 54 is provided inside the lower limit plate 53, and one end of the lower limit rod 54 is fixedly connected to the inner bottom wall of the downwardly inverted U-shaped frame 51, and the other end of the lower limit rod 54 is fixedly connected to the bottom end of the punching table 1. An ejector rod 55 is fixedly installed on the top end of the lower limit plate 53, and the outer surface of the ejector rod 55 is movably connected to the inner cavity of the through hole.

[0045] A lower limiting hole is formed inside the lower limiting plate 53 , and an inner cavity of the lower limiting hole is movably connected to an outer surface of the lower limiting rod 54 .

[0046] During use, when the stamping is completed, the cylinder 52 fixed on the inverted U-shaped frame 51 is started. At this time, the piston rod on the cylinder 52 drives the lower limit plate 53 fixed on the piston rod to move, and the lower limit plate 53 drives the ejector rod 55 to penetrate the inner cavity of the through hole and eject the stamped shielding cover. During this period, the lower limit plate 53 moves along the outer surface of the lower limit rod 54 and plays the role of a limit guide, thereby facilitating the rapid ejection and demoulding of the stamped shielding cover.

[0047] The remaining structures are the same as those of Example 1.

[0048] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A punching tool for producing a shielding cover, characterized in that: It comprises a stamping table (1); A fixed die (2), wherein the fixed die (2) is arranged on the punching platform (1); An inverted U-shaped frame (3), the inverted U-shaped frame (3) being arranged on the punching platform (1), and the inverted U-shaped frame (3) being used for installation and bearing; A stamping structure (4), the stamping structure (4) being arranged on the inverted U-shaped frame (3) and being movably connected to the fixed die (2), the stamping structure (4) being used for stamping and providing buffer protection during the stamping process; A demoulding structure (5), wherein the demoulding structure (5) is arranged on the bottom end of the punching platform (1) and is movably connected to the inside of the fixed mold (2), and the demoulding structure (5) is used for quickly demoulding the shielding cover after molding.

2. The punching tool for producing a shielding cover according to claim 1, characterized in that: An assembly groove (11) is provided inside the top end of the punching platform (1), the fixed die (2) is detachably mounted on the assembly groove (11), and the inner cavity of the fixed die (2) is movably connected to the punching structure (4).

3. The punching tool for producing a shielding cover according to claim 2, characterized in that: The punching structure (4) comprises a hydraulic cylinder (41), wherein the hydraulic cylinder (41) is fixedly connected to the upper inverted U-shaped frame (3), a telescopic rod on the hydraulic cylinder (41) passes through the interior of the upper inverted U-shaped frame (3), and an upper limit plate (42) is fixedly installed on the extended portion, a detachable movable die (43) is provided at the bottom end of the upper limit plate (42), and the movable die (43) is movably connected to the fixed die (2), and the two are matched with each other; An upper limit rod (44) is provided inside the upper limit plate (42), the bottom end of the upper limit rod (44) is fixedly connected to the top end of the punching platform (1), the top end of the upper limit rod (44) is fixedly connected to the top wall of the inner cavity of the inverted U-shaped frame (3), and a buffer airbag (45) is movably sleeved on the outer surface of the upper limit rod (44), and the bottom end of the buffer airbag (45) is in contact with the top end of the punching platform (1).

4. The punching tool for producing a shielding cover according to claim 3, characterized in that: An upper limit hole is provided inside the upper limit plate (42), and an inner cavity of the upper limit hole is movably sleeved with an outer surface of the upper limit rod (44).

5. The punching tool for producing a shielding cover according to claim 3, characterized in that: A flexible hollow partition (451) is fixedly mounted on the inner cavity wall of the buffer airbag (45), and two flexible hollow partitions (451) form a central buffer cavity (452) and two side buffer cavities (453).

6. The punching tool for producing a shielding cover according to claim 2, characterized in that: The assembly groove (11) and the bottom wall of the inner cavity of the fixed mold (2) are both provided with through holes, and the inner cavity of the through hole is movably connected to the demoulding structure (5).

7. The punching tool for producing a shielding cover according to claim 6, characterized in that: The demoulding structure (5) comprises a downward U-shaped frame (51), wherein the downward U-shaped frame (51) is fixedly connected to the bottom end of the punching platform (1), a cylinder (52) is fixedly mounted on the downward U-shaped frame (51), a piston rod on the cylinder (52) passes through the interior of the downward U-shaped frame (51), and a lower limit plate (53) is fixedly mounted on the extended portion, a lower limit rod (54) is arranged inside the lower limit plate (53), one end of the lower limit rod (54) is fixedly connected to the inner bottom wall of the downward U-shaped frame (51), and the other end of the lower limit rod (54) is fixedly connected to the bottom end of the punching platform (1), and an ejector rod (55) is fixedly mounted on the top end of the lower limit plate (53), and the outer surface of the ejector rod (55) is movably connected to the inner cavity of the through hole.

8. The punching tool for producing a shielding cover according to claim 7, characterized in that: A lower limiting hole is provided inside the lower limiting plate (53), and an inner cavity of the lower limiting hole is movably connected to an outer surface of the lower limiting rod (54).

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