Film stamping forming performance testing tool and testing method thereof

Abstract

The present invention discloses a film stamping and forming performance detection tool and a detection method thereof, comprising an upper die and a lower die, and also comprising an upper die seat, a guide post, a detection core, an elastic member, and a lower die seat. The upper die is provided with a detection core cavity and connected to the upper die seat, the lower die is provided with a core groove, the detection core is connected to the core groove by sliding up and down, the detection core is adapted to the detection core cavity, the elastic member is arranged between the lower die and the lower die seat, the lower end of the guide post is connected to the lower die seat, the upper die seat is sleeved on the upper end of the guide post and is slidably connected to the guide post, and the detection method of the present invention comprises a preparation process, a detection process, and a comparison process. The present invention can automatically reset after the detection is completed, and the adaptation of the detection core and the detection core cavity enables the present invention to detect the film stamping and forming performance of the film in a short time by the operator using the film stamping and forming performance detection tool, because there is no need to repeatedly impact the film, the operation is simple, and the detection data can truly reflect the film stamping and forming performance of the film.

Description

Technical Field

[0001] The invention relates to a testing tool, in particular to a film stamping forming performance testing tool and a testing method thereof. Background Art

[0002] The quality of the film's anti-punching performance directly affects the performance and life of subsequent products. In some film applications, the film needs to be punched, such as flexible packaging film, car body interior film, etc. The existing method for testing the punching performance of the film is that the operator uses tools to manually impact the intact film repeatedly and quantitatively for multiple times, and the number of film damages in a certain number of punching times is counted to judge the punching performance of the film. Not only is the operation complicated, but the test data is also very inaccurate and cannot truly reflect the punching performance of the film. Summary of the invention

[0003] The present invention aims at the defects in the prior art that in order to detect the stamping forming performance of the membrane, the operator uses a tool to manually and repeatedly quantitatively impact an intact membrane, and counts the number of membrane damages in a certain number of stamping times to judge the stamping forming performance of the membrane. Not only is the operation complicated, but the test data is very inaccurate and cannot truly reflect the stamping forming performance of the membrane. A new membrane stamping forming performance detection tool and a detection method are provided.

[0004] In order to solve the above technical problems, the present invention is implemented by the following technical solutions:

[0005] A film stamping forming performance detection tool comprises an upper die, a lower die, an upper die base, a guide column, a detection core, an elastic member, and a lower die base. The upper die is provided with a detection core cavity and is connected to the upper die base. The lower die is provided with a core groove. The detection core is slidably connected to the core groove up and down. The detection core is adapted to the detection core cavity. The elastic member is arranged between the lower die and the lower die base. The lower end of the guide column is connected to the lower die base. The upper die base is sleeved on the upper end of the guide column and is slidably connected to the guide column.

[0006] On the one hand, the upper die seat provides driving force for the downward movement of the upper die, and on the other hand, it is a space for accommodating other parts such as the upper die. The lower die seat is a load-bearing platform for other parts of the film stamping performance testing tooling. The guide column plays a role in providing guidance for the upper die seat and the upper die. The elastic part provides a restoring force for the lower die when the upper die removes the driving force. The core groove provides a sliding space for the detection core to slide up and down. The detection core and the detection core cavity work together to test the film stamping performance of the film to be tested. The upper die provides a driving force for the downward movement of the lower die. When the upper die presses the lower die, the lower die moves downward along the detection core and compresses the elastic part to store elastic potential energy. At the same time, the detection core presses the film into the detection core cavity. Its function is to test the film stamping performance of the film. When the driving force of the upper mold is removed, the elastic part releases the elastic potential energy and the lower mold moves upward to reset. The elastic part enables the present invention to automatically reset after the detection is completed, and there is no need for the user to manually reset it, which not only improves the safety level and processing efficiency, but also reduces the operating difficulty; the adaptation of the detection mold core and the detection mold core cavity enables the present invention to detect the membrane stamping forming performance of the membrane in a short time by the operator using the membrane stamping forming performance detection tooling, because there is no need to repeatedly impact the membrane, so the operation is simple and the detection data can truly reflect the membrane stamping forming performance of the membrane.

[0007] Preferably, in the above-mentioned film stamping forming performance testing tool, the number of the testing mold cores is at least 2, and the number of the testing mold core cavities is matched with the number of the testing mold cores.

[0008] The setting of at least 2 detection cores is to enable the membrane stamping forming performance detection tooling to obtain several sets of different detection data in one operation, so as to better and more comprehensively detect the membrane stamping forming performance of the membrane, and also to reduce the impact times of the membrane stamping forming performance detection tooling, save time and improve detection efficiency.

[0009] Preferably, in the above-mentioned film stamping forming performance testing tool, the area of ​​the testing mold core decreases or increases successively, and the area of ​​the testing mold core cavity is adapted to the testing mold core.

[0010] The smaller the area of ​​the punching hole, the greater the pressure on the membrane, that is, the smaller the pit area, the easier it is to break. The detection core and the detection core cavity are set to have different areas in order to better and more accurately detect the membrane stamping performance of the membrane under the premise of the same punching hole depth, pressure and pre-pressing delay.

[0011] Preferably, in the above-mentioned film stamping forming performance testing tool, a mounting hole is provided on the lower die, the elastic member is a spring member, one end of the spring member is connected to the mounting hole, and the other end of the spring member is connected to the lower die base.

[0012] The mounting hole on the lower die not only provides accommodation space for the spring component, but also provides a guide for the spring component, so that the spring component can release elastic potential energy in a more balanced manner, that is, the film stamping forming performance testing tooling can be reset more smoothly. The spring component is not only low in cost, but also stores a large amount of elastic potential energy when the upper die moves downward, making the reset of the film stamping forming performance testing tooling more convenient and labor-saving.

[0013] Preferably, the above-mentioned film stamping forming performance testing tool further includes a guide sleeve, a guide sleeve hole is provided on the upper die seat, the guide sleeve is connected to the guide sleeve hole, and the guide column is slidably connected to the guide sleeve.

[0014] The guide sleeve is connected to the guide sleeve hole on one hand, and makes the guide of the guide column more accurate on the other hand. At the same time, the setting of the guide sleeve is also convenient for the subsequent replacement and maintenance of the corresponding parts of the film stamping forming performance testing tooling.

[0015] Preferably, in the above-mentioned film stamping forming performance testing tool, a fixing piece is provided on the upper die.

[0016] The setting of the fixing part ensures that the film will not move accidentally when the upper die drives the lower die, and the data detected by the film stamping forming performance detection tooling is more accurate. The fixing part is preferably a rubber part or a silicone part.

[0017] Preferably, in the above-mentioned film stamping forming performance testing tool, the upper mold is provided with a mounting groove, and the fixing part is arranged in the mounting groove.

[0018] The fixing piece is arranged in the installation groove, so that the friction between the fixing piece and the upper mold is greater, and the fixing piece is more firmly connected to the upper mold.

[0019] Preferably, the above-mentioned film stamping forming performance testing tooling further includes a pad, one end of which is in contact with the testing mold core, the other end of which is connected to the lower mold base, and the pad is connected to the mold core groove in an up and down sliding manner.

[0020] The function of the spacer is, on the one hand, to reduce the material consumption of the detection core and save costs; on the other hand, it makes the detection core more interchangeable, reduces the processing requirements, and also reduces the number of specifications of the same detection core, which facilitates the subsequent material management.

[0021] Preferably, the above-mentioned method for testing a film stamping forming performance testing tool comprises the following steps:

[0022] A. Preparation process: connecting the film stamping forming performance testing tool to the testing driving machine, starting the testing driving machine to adjust the film stamping forming performance testing tool to the state of the film to be tested, that is, the upper mold and the lower mold are separated;

[0023] B. Inspection process: the film to be inspected is placed on the lower mold, and the inspection driving machine is started. The inspection driving machine drives the upper mold base to move downward and presses the lower mold downward through the upper mold. At the same time, the inspection mold core moves upward relative to the lower mold and presses the film to be inspected into the inspection mold core cavity. The inspection driving machine presses the upper mold base for 3-6 seconds, and then releases the pressure on the upper mold base. The upper mold base moves upward to the state of the film to be inspected in preparation process A.

[0024] C. Comparison process: remove the film to be tested after the above-mentioned testing process B, and then compare the deformation amount of the film to be tested after the above-mentioned testing process B with the predetermined grade comparison table of the film to be tested, so as to obtain the grade of the film stamping forming performance of the film to be tested, that is, complete the test of the film stamping forming performance of the film to be tested.

[0025] The present invention effectively reduces the number of times the film is impacted in the film stamping and forming performance test of the film, and the film stamping and forming performance test is achieved through only three steps. Moreover, the film stamping and forming performance tested by the above-mentioned testing method is more accurate, and the film stamping and forming performance testing tool can be automatically reset without manual reset by the user, which not only improves the safety level and processing efficiency, but also reduces the difficulty of operation. By reducing the steps, the testing cost can be greatly reduced, which meets the needs of modern industrial production. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a cross-sectional view of the present invention in a state to be detected;

[0027] Figure 2 It is a cross-sectional view of the present invention in the detection state;

[0028] Figure 3 For the present invention Figure 2 A partial enlarged view of the middle A part;

[0029] Figure 4 It is a structural schematic diagram of the lower mold part in the present invention;

[0030] Figure 5 For the present invention Figure 4 A front cross-sectional view of

[0031] Figure 6 For the present invention Figure 4 Left view;

[0032] Figure 7 It is a structural schematic diagram of the upper mold part in the present invention;

[0033] Figure 8 For the present invention Figure 7 A front cross-sectional view of

[0034] Fig. 9 For the present invention Figure 7 Left view. DETAILED DESCRIPTION

[0035] The following is combined with Figure 1-9 The present invention is further described in detail with specific embodiments, but they are not intended to limit the present invention:

[0036] Example 1

[0037] like Figures 1 to 9 As shown, a film stamping molding performance detection tooling includes an upper mold 2, a lower mold 7, and also includes an upper mold base 1, a guide column 5, a detection core 6, an elastic member 8, and a lower mold base 9. The upper mold 2 is provided with a detection core cavity 3 and is connected to the upper mold base 1, and the lower mold 7 is provided with a core groove 71. The detection core 6 is slidably connected to the core groove 71 up and down, and the detection core 6 is adapted to the detection core cavity 3. The elastic member 8 is arranged between the lower mold 7 and the lower mold base 9, and the lower end of the guide column 5 is connected to the lower mold base 9. The upper mold base 1 is sleeved on the upper end of the guide column 5 and is slidably connected to the guide column 5.

[0038] Preferably, the number of the detection cores 6 is 2, and the number of the detection core cavities 3 is matched with the number of the detection cores 6 .

[0039] Preferably, the area of ​​the detection core 6 decreases or increases in sequence, and the area of ​​the detection core cavity 3 is adapted to the detection core 6 .

[0040] Preferably, a mounting hole 72 is provided on the lower die 7 , and the elastic member 8 is a spring member, one end of the spring member is connected to the mounting hole 72 , and the other end of the spring member is connected to the lower die base 9 .

[0041] Preferably, it further comprises a guide sleeve 4 , a guide sleeve hole 11 is provided on the upper die base 1 , the guide sleeve 4 is connected to the guide sleeve hole 11 , and the guide column 5 is slidably connected to the guide sleeve 4 .

[0042] Preferably, a fixing part 21 is provided on the upper mold 2 .

[0043] Preferably, a mounting groove 22 is provided on the upper mold 2 , and the fixing member 21 is disposed in the mounting groove 22 .

[0044] Preferably, it further includes a cushion block 61, one end of which contacts the detection mold core 6, the other end of which is connected to the lower mold base 9, and the cushion block 61 is connected to the mold core groove 71 in an up-and-down sliding manner.

[0045] Preferably, the method for testing the film stamping forming performance testing tool comprises the following steps:

[0046] A. Preparation process: connecting the film stamping and forming performance testing tool to the testing driving machine, starting the testing driving machine to adjust the film stamping and forming performance testing tool to the state of the film to be tested, that is, the upper mold 2 and the lower mold 7 are separated;

[0047] B. Inspection process: the film to be inspected 10 is placed on the lower mold 7, and the inspection driving machine is started. The inspection driving machine drives the upper mold base 1 to move downward and presses the lower mold 7 downward through the upper mold 2. At the same time, the inspection mold core 6 moves upward relative to the lower mold 7 and presses the film to be inspected 10 into the inspection mold core cavity 3. The inspection driving machine presses the upper mold base 1 for 3 seconds, and then releases the pressure on the upper mold base 1. The upper mold base 1 moves upward to the state of the film to be inspected in the preparation process A.

[0048] C. Comparison process: remove the film 10 to be tested that has been tested in the above-mentioned testing process B, and then compare the deformation amount of the film 10 to be tested that has been tested in the above-mentioned testing process B with the predetermined grade comparison table of the film 10 to be tested, so as to obtain the grade of the membrane stamping forming performance of the film 10 to be tested, that is, complete the testing of the membrane stamping forming performance of the film 10 to be tested.

[0049] When the number of the detection cores 6 is 2, the area of ​​core No. 1 is 15 mm×15 mm, the area of ​​core No. 2 is 20 mm×20 mm, and the depth of the core groove 71 is 4 mm. The following is a grade comparison table of this embodiment.

[0050]

[0051] Example 2

[0052] like Figures 1 to 9As shown, a film stamping molding performance detection tooling includes an upper mold 2, a lower mold 7, and also includes an upper mold base 1, a guide column 5, a detection core 6, an elastic member 8, and a lower mold base 9. The upper mold 2 is provided with a detection core cavity 3 and is connected to the upper mold base 1, and the lower mold 7 is provided with a core groove 71. The detection core 6 is slidably connected to the core groove 71 up and down, and the detection core 6 is adapted to the detection core cavity 3. The elastic member 8 is arranged between the lower mold 7 and the lower mold base 9, and the lower end of the guide column 5 is connected to the lower mold base 9. The upper mold base 1 is sleeved on the upper end of the guide column 5 and is slidably connected to the guide column 5.

[0053] Preferably, the number of the detection cores 6 is 3, and the number of the detection core cavities 3 is matched with the number of the detection cores 6 .

[0054] Preferably, the area of ​​the detection core 6 decreases or increases in sequence, and the area of ​​the detection core cavity 3 is adapted to the detection core 6 .

[0055] Preferably, a mounting hole 72 is provided on the lower die 7 , and the elastic member 8 is a spring member, one end of the spring member is connected to the mounting hole 72 , and the other end of the spring member is connected to the lower die base 9 .

[0056] Preferably, it further comprises a guide sleeve 4 , a guide sleeve hole 11 is provided on the upper die base 1 , the guide sleeve 4 is connected to the guide sleeve hole 11 , and the guide column 5 is slidably connected to the guide sleeve 4 .

[0057] Preferably, a fixing part 21 is provided on the upper mold 2 .

[0058] Preferably, a mounting groove 22 is provided on the upper mold 2 , and the fixing member 21 is disposed in the mounting groove 22 .

[0059] Preferably, it further includes a cushion block 61, one end of which contacts the detection mold core 6, the other end of which is connected to the lower mold base 9, and the cushion block 61 is connected to the mold core groove 71 in an up-and-down sliding manner.

[0060] Preferably, the method for testing the film stamping forming performance testing tool comprises the following steps:

[0061] A. Preparation process: connecting the film stamping and forming performance testing tool to the testing driving machine, starting the testing driving machine to adjust the film stamping and forming performance testing tool to the state of the film to be tested, that is, the upper mold 2 and the lower mold 7 are separated;

[0062] B. Inspection process: the film to be inspected 10 is placed on the lower mold 7, and the inspection driving machine is started. The inspection driving machine drives the upper mold base 1 to move downward and presses the lower mold 7 downward through the upper mold 2. At the same time, the inspection mold core 6 moves upward relative to the lower mold 7 and presses the film to be inspected 10 into the inspection mold core cavity 3. The inspection driving machine presses the upper mold base 1 for 4.5 seconds, and then releases the pressure on the upper mold base 1. The upper mold base 1 moves upward to the state of the film to be inspected in the preparation process A.

[0063] C. Comparison process: remove the film 10 to be tested that has been tested in the above-mentioned testing process B, and then compare the deformation amount of the film 10 to be tested that has been tested in the above-mentioned testing process B with the predetermined grade comparison table of the film 10 to be tested, so as to obtain the grade of the membrane stamping forming performance of the film 10 to be tested, that is, complete the testing of the membrane stamping forming performance of the film 10 to be tested.

[0064] When the number of detection cores 6 is 3, the area of ​​core No. 1 is 15mm×15mm, the area of ​​core No. 2 is 20mm×20mm, the area of ​​core No. 3 is 30mm×20mm, and the depth of core groove 71 is 4mm. The following is a grade comparison table of this embodiment.

[0065]

[0066] Example 3

[0067] like Figures 1 to 9 As shown, a film stamping molding performance detection tooling includes an upper mold 2, a lower mold 7, and also includes an upper mold base 1, a guide column 5, a detection core 6, an elastic member 8, and a lower mold base 9. The upper mold 2 is provided with a detection core cavity 3 and is connected to the upper mold base 1, and the lower mold 7 is provided with a core groove 71. The detection core 6 is slidably connected to the core groove 71 up and down, and the detection core 6 is adapted to the detection core cavity 3. The elastic member 8 is arranged between the lower mold 7 and the lower mold base 9, and the lower end of the guide column 5 is connected to the lower mold base 9. The upper mold base 1 is sleeved on the upper end of the guide column 5 and is slidably connected to the guide column 5.

[0068] Preferably, the number of the detection cores 6 is 4, and the number of the detection core cavities 3 is matched with the number of the detection cores 6 .

[0069] Preferably, the area of ​​the detection core 6 decreases or increases in sequence, and the area of ​​the detection core cavity 3 is adapted to the detection core 6 .

[0070] Preferably, a mounting hole 72 is provided on the lower die 7 , and the elastic member 8 is a spring member, one end of the spring member is connected to the mounting hole 72 , and the other end of the spring member is connected to the lower die base 9 .

[0071] Preferably, it further comprises a guide sleeve 4 , a guide sleeve hole 11 is provided on the upper die base 1 , the guide sleeve 4 is connected to the guide sleeve hole 11 , and the guide column 5 is slidably connected to the guide sleeve 4 .

[0072] Preferably, a fixing part 21 is provided on the upper mold 2 .

[0073] Preferably, a mounting groove 22 is provided on the upper mold 2 , and the fixing member 21 is disposed in the mounting groove 22 .

[0074] Preferably, it further includes a cushion block 61, one end of which contacts the detection mold core 6, the other end of which is connected to the lower mold base 9, and the cushion block 61 is connected to the mold core groove 71 in an up-and-down sliding manner.

[0075] Preferably, the method for testing the film stamping forming performance testing tool comprises the following steps:

[0076] A. Preparation process: connecting the film stamping and forming performance testing tool to the testing driving machine, starting the testing driving machine to adjust the film stamping and forming performance testing tool to the state of the film to be tested, that is, the upper mold 2 and the lower mold 7 are separated;

[0077] B. Inspection process: the film to be inspected 10 is placed on the lower mold 7, and the inspection driving machine is started. The inspection driving machine drives the upper mold base 1 to move downward and presses the lower mold 7 downward through the upper mold 2. At the same time, the inspection mold core 6 moves upward relative to the lower mold 7 and presses the film to be inspected 10 into the inspection mold core cavity 3. The inspection driving machine presses the upper mold base 1 for 6 seconds, and then releases the pressure on the upper mold base 1. The upper mold base 1 moves upward to the state of the film to be inspected in the preparation process A.

[0078] C. Comparison process: remove the film 10 to be tested that has been tested in the above-mentioned testing process B, and then compare the deformation amount of the film 10 to be tested that has been tested in the above-mentioned testing process B with the predetermined grade comparison table of the film 10 to be tested, so as to obtain the grade of the membrane stamping forming performance of the film 10 to be tested, that is, complete the testing of the membrane stamping forming performance of the film 10 to be tested.

[0079] When the number of detection cores 6 is 4, the area of ​​core No. 1 is 15mm×15mm, the area of ​​core No. 2 is 20mm×20mm, the area of ​​core No. 3 is 30mm×20mm, the area of ​​core No. 4 is 45mm×25mm, and the depth of core groove 71 is 4mm. The following is the grade comparison table of this embodiment.

[0080]

[0081] Example 4

[0082] like Figures 1 to 9 As shown, a film stamping molding performance detection tooling includes an upper mold 2, a lower mold 7, and also includes an upper mold base 1, a guide column 5, a detection core 6, an elastic member 8, and a lower mold base 9. The upper mold 2 is provided with a detection core cavity 3 and is connected to the upper mold base 1, and the lower mold 7 is provided with a core groove 71. The detection core 6 is slidably connected to the core groove 71 up and down, and the detection core 6 is adapted to the detection core cavity 3. The elastic member 8 is arranged between the lower mold 7 and the lower mold base 9, and the lower end of the guide column 5 is connected to the lower mold base 9. The upper mold base 1 is sleeved on the upper end of the guide column 5 and is slidably connected to the guide column 5.

[0083] Preferably, the number of the detection cores 6 is 5, and the number of the detection core cavities 3 is matched with the number of the detection cores 6 .

[0084] Preferably, the area of ​​the detection core 6 decreases or increases in sequence, and the area of ​​the detection core cavity 3 is adapted to the detection core 6 .

[0085] Preferably, a mounting hole 72 is provided on the lower die 7 , and the elastic member 8 is a spring member, one end of the spring member is connected to the mounting hole 72 , and the other end of the spring member is connected to the lower die base 9 .

[0086] Preferably, it further comprises a guide sleeve 4 , a guide sleeve hole 11 is provided on the upper die base 1 , the guide sleeve 4 is connected to the guide sleeve hole 11 , and the guide column 5 is slidably connected to the guide sleeve 4 .

[0087] Preferably, a fixing part 21 is provided on the upper mold 2 .

[0088] Preferably, a mounting groove 22 is provided on the upper mold 2 , and the fixing member 21 is disposed in the mounting groove 22 .

[0089] Preferably, it further includes a cushion block 61, one end of which contacts the detection mold core 6, the other end of which is connected to the lower mold base 9, and the cushion block 61 is connected to the mold core groove 71 in an up-and-down sliding manner.

[0090] Preferably, the method for testing the film stamping forming performance testing tool comprises the following steps:

[0091] A. Preparation process: connecting the film stamping and forming performance testing tool to the testing driving machine, starting the testing driving machine to adjust the film stamping and forming performance testing tool to the state of the film to be tested, that is, the upper mold 2 and the lower mold 7 are separated;

[0092] B. Inspection process: the film to be inspected 10 is placed on the lower mold 7, and the inspection driving machine is started. The inspection driving machine drives the upper mold base 1 to move downward and presses the lower mold 7 downward through the upper mold 2. At the same time, the inspection mold core 6 moves upward relative to the lower mold 7 and presses the film to be inspected 10 into the inspection mold core cavity 3. The inspection driving machine presses the upper mold base 1 for 6 seconds, and then releases the pressure on the upper mold base 1. The upper mold base 1 moves upward to the state of the film to be inspected in the preparation process A.

[0093] C. Comparison process: remove the film 10 to be tested that has been tested in the above-mentioned testing process B, and then compare the deformation amount of the film 10 to be tested that has been tested in the above-mentioned testing process B with the predetermined grade comparison table of the film 10 to be tested, so as to obtain the grade of the membrane stamping forming performance of the film 10 to be tested, that is, complete the testing of the membrane stamping forming performance of the film 10 to be tested.

[0094] When the number of detection cores 6 is 5, the area of ​​core No. 1 is 15mm×15mm, the area of ​​core No. 2 is 20mm×20mm, the area of ​​core No. 3 is 30mm×20mm, the area of ​​core No. 4 is 45mm×25mm, the area of ​​core No. 5 is 40mm×30mm, and the depth of core groove 71 is 4mm. The following is the grade comparison table of this embodiment.

[0095]

[0096] Example 5

[0097] like Figures 1 to 9As shown, a film stamping molding performance detection tooling includes an upper mold 2, a lower mold 7, and also includes an upper mold base 1, a guide column 5, a detection core 6, an elastic member 8, and a lower mold base 9. The upper mold 2 is provided with a detection core cavity 3 and is connected to the upper mold base 1, and the lower mold 7 is provided with a core groove 71. The detection core 6 is slidably connected to the core groove 71 up and down, and the detection core 6 is adapted to the detection core cavity 3. The elastic member 8 is arranged between the lower mold 7 and the lower mold base 9, and the lower end of the guide column 5 is connected to the lower mold base 9. The upper mold base 1 is sleeved on the upper end of the guide column 5 and is slidably connected to the guide column 5.

[0098] Preferably, the number of the detection cores 6 is 6, and the number of the detection core cavities 3 is matched with the number of the detection cores 6 .

[0099] Preferably, the area of ​​the detection core 6 decreases or increases in sequence, and the area of ​​the detection core cavity 3 is adapted to the detection core 6 .

[0100] Preferably, a mounting hole 72 is provided on the lower die 7 , and the elastic member 8 is a spring member, one end of the spring member is connected to the mounting hole 72 , and the other end of the spring member is connected to the lower die base 9 .

[0101] Preferably, it further comprises a guide sleeve 4 , a guide sleeve hole 11 is provided on the upper die base 1 , the guide sleeve 4 is connected to the guide sleeve hole 11 , and the guide column 5 is slidably connected to the guide sleeve 4 .

[0102] Preferably, a fixing part 21 is provided on the upper mold 2 .

[0103] Preferably, a mounting groove 22 is provided on the upper mold 2 , and the fixing member 21 is disposed in the mounting groove 22 .

[0104] Preferably, it further includes a cushion block 61, one end of which contacts the detection mold core 6, the other end of which is connected to the lower mold base 9, and the cushion block 61 is connected to the mold core groove 71 in an up-and-down sliding manner.

[0105] Preferably, the method for testing the film stamping forming performance testing tool comprises the following steps:

[0106] A. Preparation process: connecting the film stamping and forming performance testing tool to the testing driving machine, starting the testing driving machine to adjust the film stamping and forming performance testing tool to the state of the film to be tested, that is, the upper mold 2 and the lower mold 7 are separated;

[0107] B. Inspection process: the film to be inspected 10 is placed on the lower mold 7, and the inspection driving machine is started. The inspection driving machine drives the upper mold base 1 to move downward and presses the lower mold 7 downward through the upper mold 2. At the same time, the inspection mold core 6 moves upward relative to the lower mold 7 and presses the film to be inspected 10 into the inspection mold core cavity 3. The inspection driving machine presses the upper mold base 1 for 6 seconds, and then releases the pressure on the upper mold base 1. The upper mold base 1 moves upward to the state of the film to be inspected in the preparation process A.

[0108] C. Comparison process: remove the film 10 to be tested that has been tested in the above-mentioned testing process B, and then compare the deformation amount of the film 10 to be tested that has been tested in the above-mentioned testing process B with the predetermined grade comparison table of the film 10 to be tested, so as to obtain the grade of the membrane stamping forming performance of the film 10 to be tested, that is, complete the testing of the membrane stamping forming performance of the film 10 to be tested.

[0109] When the number of detection cores 6 is 6, the area of ​​core No. 1 is 15mm×15mm, the area of ​​core No. 2 is 20mm×20mm, the area of ​​core No. 3 is 30mm×20mm, the area of ​​core No. 4 is 45mm×25mm, the area of ​​core No. 5 is 40mm×30mm, the area of ​​core No. 6 is 50mm×30mm, and the depth of core groove 71 is 4mm. The following is the grade comparison table of this embodiment.

[0110]

[0111] In conclusion, the above is only a preferred embodiment of the present invention, and all equivalent changes and modifications made within the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. A film stamping forming performance testing tool, comprising an upper die (2) and a lower die (7), characterized in that: It also includes an upper die base (1), a guide column (5), a detection core (6), an elastic member (8), and a lower die base (9); the upper die (2) is provided with a detection core cavity (3) and is connected to the upper die base (1); the lower die (7) is provided with a core groove (71); the detection core (6) is slidably connected to the core groove (71) up and down; the detection core (6) is adapted to the detection core cavity (3); the elastic member (8) is arranged between the lower die (7) and the lower die base (9); the lower end of the guide column (5) is connected to the lower die base (9); the upper die base (1) is sleeved on the upper end of the guide column (5) and is slidably connected to the guide column (5); The number of the detection mold cores (6) is at least 2, and the number of the detection mold core cavities (3) is matched with the number of the detection mold cores (6); The lower die (7) is provided with a mounting hole (72), the elastic member (8) is a spring member, one end of the spring member is connected to the mounting hole (72), and the other end of the spring member is connected to the lower die base (9).

2. A film stamping forming performance testing tool according to claim 1, characterized in that: The area of ​​the detection mold core (6) decreases or increases in sequence, and the area of ​​the detection mold core cavity (3) is compatible with the detection mold core (6).

3. The film stamping forming performance testing tool according to claim 1, characterized in that: It also comprises a guide sleeve (4), the upper die seat (1) is provided with a guide sleeve hole (11), the guide sleeve (4) is connected to the guide sleeve hole (11), and the guide column (5) is slidably connected to the guide sleeve (4).

4. The film stamping forming performance testing tool according to claim 1, characterized in that: A fixing part (21) is provided on the upper mold (2).

5. The film stamping forming performance testing tool according to claim 4, characterized in that: The upper mold (2) is provided with a mounting groove (22), and the fixing member (21) is arranged in the mounting groove (22).

6. The film stamping forming performance testing tool according to claim 1, characterized in that: It also includes a cushion block (61), one end of the cushion block (61) is in contact with the detection mold core (6), the other end of the cushion block (61) is connected to the lower mold base (9), and the cushion block (61) is connected to the mold core groove (71) in an upward and downward sliding manner.

7. A method for testing a film stamping forming performance testing tool according to any one of claims 1 to 6, characterized in that: The following steps are involved: A. Preparation process: connecting the film stamping and forming performance testing tool to the testing drive machine, starting the testing drive machine to adjust the film stamping and forming performance testing tool to the state of the film to be tested, that is, the upper mold (2) and the lower mold (7) are separated; B. Testing process: placing the film to be tested (10) on the lower mold (7), starting the testing drive machine, the testing drive machine drives the upper mold base (1) to move downward and presses the lower mold (7) to move downward through the upper mold (2), while the testing mold core (6) moves upward relative to the lower mold (7) and presses the film to be tested (10) into the testing mold core cavity (3), the testing drive machine presses the upper mold base (1) for 3-6 seconds, and then releases the pressure on the upper mold base (1), and the upper mold base (1) moves upward to the state of the film to be tested in the preparation process A; C. Comparison process: The film to be tested (10) tested in the above-mentioned testing process B is removed, and then the deformation amount of the film to be tested (10) tested in the above-mentioned testing process B is compared with the predetermined grade comparison table of the film to be tested (10), so as to obtain the grade of the film stamping forming performance of the film to be tested (10), that is, the testing of the film stamping forming performance of the film to be tested (10) is completed.

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