Turnover machine table and testing device

Abstract

The utility model belongs to the technical field of PCB testing, and relates to a turnover machine table and a testing device. The turnover machine table comprises a machine frame, a mounting table, a turnover driving mechanism and a turnover positioning mechanism, the mounting table is rotationally connected to the machine frame around a preset rotating axis, one end of the turnover driving mechanism is mounted on the mounting table, and the other end of the turnover driving mechanism is mounted on the turnover positioning mechanism. The other opposite end of the overturning driving mechanism is used for driving the mounting table to rotate around the preset rotating axis, so that the mounting table reciprocates between the horizontal position and the lifting position; one end of the turnover positioning mechanism is mounted on the rack, and the other opposite end of the turnover positioning mechanism is used for temporarily fixing the mounting table at the lifting position. The turnover machine table can simplify the maintenance process.

Description

Technical Field

[0001] The utility model belongs to the technical field of PCB board testing, and particularly relates to a flipping machine platform and a testing device. Background Art

[0002] The existing PCB board testing devices generally include a frame, a mounting table installed on the frame, a lower mold installed on the frame, and an upper mold installed on the mounting table. Among them, the upper mold and the lower mold are arranged opposite to each other so that the upper mold and the lower mold can be closed to test the PCB board. However, when repairing or replacing the upper mold or the lower mold of the existing PCB board testing device, it is necessary to manually or use a lifting device to remove the entire mounting table from the frame, which makes the repair process more cumbersome. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is: aiming at the technical problem that the repair process of the existing PCB board testing device is more cumbersome, a flipping machine platform and a testing device are provided.

[0004] To solve the above technical problem, on the one hand, an embodiment of the utility model provides a flipping machine platform, which includes a frame, a mounting table, a flipping driving mechanism, and a flipping positioning mechanism. The mounting table is rotatably connected to the frame around a preset rotation axis. One end of the flipping driving mechanism is installed on the frame, and the opposite end of the flipping driving mechanism is used to drive the mounting table to rotate around the preset rotation axis so that the mounting table reciprocates between a horizontal position and a lifted position.

[0005] One end of the flipping positioning mechanism is installed on the frame, and the opposite end of the flipping positioning mechanism is used to temporarily fix the mounting table in the lifted position.

[0006] According to the flipping machine platform of the embodiment of the utility model, the mounting table is rotatably connected to the frame around a preset rotation axis, and the flipping driving mechanism is used to drive the mounting table to rotate around the preset rotation axis so that the mounting table reciprocates between a horizontal position and a lifted position. When the mounting table is in the lifted position, the flipping positioning mechanism temporarily fixes the mounting table. At this time, the workpiece between the mounting table and the frame can be repaired or replaced. The flipping machine platform can realize the repair or replacement of the workpiece between the mounting table and the frame without removing the mounting table, which can simplify the repair process.

[0007] Optionally, the frame includes a base, a bracket, and a rotating shaft. The bracket is installed on the base, the rotating shaft is rotatably connected to the bracket around the preset rotation axis, the mounting table is connected to the rotating shaft, one end of the flipping driving mechanism is installed on the base, and one end of the flipping positioning mechanism is installed on the bracket.

[0008] The bracket comprises a first mounting frame and a second mounting frame, wherein the first mounting frame and the second mounting frame are arranged on the base at intervals;

[0009] The rotating shaft is rotatably connected around the preset rotating axis and between the first mounting bracket and the second mounting bracket.

[0010] Optionally, the mounting platform has a first side and a second side opposite to each other, the first side of the mounting platform is connected to the rotating shaft, and the flip driving mechanism is installed between the second side of the mounting platform and the base.

[0011] Optionally, the flip driving mechanism comprises a flip driving member and a connecting member, one end of the flip driving member is rotatably connected to the base, the other end of the flip driving member opposite to the connecting member is connected to the connecting member, and one end of the connecting member away from the flip driving member is rotatably connected to the second side of the mounting platform;

[0012] The flip driving member is used to drive the connecting member to move closer to or away from the base, so as to drive the mounting platform to rotate around the preset rotation axis.

[0013] Optionally, a mounting block is provided on the mounting platform, and the connecting member is rotatably connected to the mounting block;

[0014] The base is provided with an adapter block, and one end of the flip driving member is rotatably connected to the adapter block.

[0015] Optionally, the flip driving member is a driving cylinder, the cylinder barrel of the driving cylinder is rotatably connected to the base, and the piston rod of the driving cylinder is connected to the connecting member;

[0016] The flip driving mechanisms are provided with two, and the two flip driving mechanisms are both provided on the second side of the mounting platform, and the piston rods of the driving cylinders of the two flip driving mechanisms are provided parallel to each other.

[0017] Optionally, the turning machine further comprises a horizontal positioning mechanism, the horizontal positioning mechanism comprises a horizontal positioning member and a horizontal positioning plate, the horizontal positioning plate is mounted on the bracket, a first matching portion is provided on the horizontal positioning plate, and the horizontal positioning member is mounted on a side of the mounting platform away from the bracket;

[0018] When the mounting platform is in the horizontal position, the horizontal positioning member is plugged into and matched with the first matching portion.

[0019] Optionally, a first positioning hole is provided on the first matching portion, and the horizontal positioning member is a first positioning cylinder;

[0020] When the mounting table is in the horizontal position, the piston rod of the first positioning cylinder can be inserted into the first positioning hole;

[0021] The horizontal positioning member is mounted on the mounting block;

[0022] Two horizontal positioning mechanisms are provided, and the horizontal positioning plate of one of the horizontal positioning mechanisms is mounted on the first mounting frame, and the horizontal positioning plate of the other horizontal positioning mechanism is mounted on the second mounting frame.

[0023] Optionally, the flipping positioning mechanism includes a flipping positioning member and a flipping positioning plate. The flipping positioning plate is mounted on the bracket, and a second mating portion is provided on the flipping positioning plate. The flipping positioning member is mounted on the side of the mounting table away from the bracket;

[0024] When the mounting table is in the lifted position, the flipping positioning member is inserted into and cooperates with the second mating portion.

[0025] Optionally, a second positioning hole is provided on the second mating portion, and the flipping positioning member is a second positioning cylinder;

[0026] When the mounting table is in the lifted position, the piston rod of the second positioning cylinder can be inserted into the second positioning hole.

[0027] Optionally, two flipping positioning mechanisms are provided, and the flipping positioning plate of one of the flipping positioning mechanisms is mounted on the first mounting frame, and the flipping positioning plate of the other flipping positioning mechanism is mounted on the second mounting frame.

[0028] Optionally, the first side of the mounting table and the second side of the mounting table are arranged opposite to each other along a first direction;

[0029] The two horizontal positioning mechanisms are respectively arranged on opposite sides of the mounting table along a second direction;

[0030] The two flipping positioning mechanisms are respectively arranged on opposite sides of the mounting table along the second direction;

[0031] The preset rotation axis extends along the second direction;

[0032] The first direction intersects the second direction.

[0033] Optionally, the flipping machine table further includes a horizontal support member. The horizontal support member is mounted on the bracket, and the horizontal support member is used to support the mounting table in the horizontal position;

[0034] A limiting hole is provided on the mounting table;

[0035] The horizontal support member includes a support column and a limit column. The support column is installed on the bracket, and the limit column is connected to the support column.

[0036] When the mounting table is in the horizontal position, the support column is supported between the bracket and the mounting table, and the limit column is inserted into the limit hole.

[0037] There are two horizontal support members. One of the horizontal support members is installed on the first mounting frame, and the other horizontal support member is installed on the second mounting frame.

[0038] On the other hand, an embodiment of the present invention provides a testing device, which includes an upper mold, a lower mold, and the above-mentioned flipping machine table. The upper mold is installed on the mounting table, and the lower mold is installed on the frame.

[0039] When the mounting table is in the horizontal position, the upper mold and the lower mold are closed to test the workpiece to be tested.

[0040] According to the testing device of the embodiment of the present invention, the upper mold is installed on the mounting table, the lower mold is installed on the frame, and the mounting table is rotatably connected to the frame around a preset rotation axis. The mounting table is driven by a flipping drive mechanism to rotate around the preset rotation axis, so that the mounting table reciprocates between the horizontal position and the raised position. When the mounting table is in the horizontal position, the upper mold and the lower mold are closed to test the workpiece to be tested; when the mounting table is in the raised position, the flipping positioning mechanism temporarily fixes the mounting table. At this time, the upper mold and the lower mold between the mounting table and the frame can be repaired or replaced. The flipping machine table can realize the repair or replacement of the upper mold and the lower mold without removing the mounting table, which can simplify the repair process. Description of the Drawings

[0041] Figure 1 is a schematic diagram of the flipping machine table provided by an embodiment of the present invention when the mounting table is in the horizontal position;

[0042] Figure 2 is a schematic diagram of the flipping machine table provided by an embodiment of the present invention when the mounting table is in the raised position.

[0043] The reference numerals in the specification are as follows:

[0044] 1. Frame; 11. Base; 12. Bracket; 121. First mounting frame; 122. Second mounting frame; 13. Rotating shaft;

[0045] 2. Mounting table; 21. Mounting block; 22. Limit hole;

[0046] 3. Tipping drive mechanism; 31. Tipping drive member; 311. Drive cylinder; 3111. Cylinder barrel; 3112. Piston rod; 32. Connecting member;

[0047] 4. Tipping positioning mechanism; 41. Tipping positioning member; 42. Tipping positioning plate; 421. Second mating portion; 422. Second positioning hole;

[0048] 5. Horizontal positioning mechanism; 51. Horizontal positioning member; 52. Horizontal positioning plate; 521. First mating portion; 522. First positioning hole;

[0049] 6. Horizontal support member; 61. Support column; 62. Limit column;

[0050] x. First direction; y. Second direction. Detailed implementation mode

[0051] In order to make the technical problems, technical solutions and beneficial effects solved by the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0052] As Figure 1 and Figure 2 shown, the testing device provided by the embodiment of the present utility model includes an upper mold, a lower mold and a tipping machine table.

[0053] The tipping machine table includes a frame 1, a mounting table 2, a tipping drive mechanism 3 and a tipping positioning mechanism 4. The mounting table 2 is rotatably connected to the frame 1 around a preset rotation axis. One end of the tipping drive mechanism 3 is mounted on the frame 1, and the opposite end of the tipping drive mechanism 3 is used to drive the mounting table 2 to rotate around the preset rotation axis, so that the mounting table 2 reciprocates between a horizontal position and a raised position.

[0054] The upper mold is mounted on the mounting table 2, and the lower mold is mounted on the frame 1. When the mounting table 2 is in the horizontal position, the upper mold can be closed with the lower mold to test the workpiece to be tested. When the mounting table 2 is in the raised position, the upper mold and the lower mold can be repaired or replaced.

[0055] One end of the tipping positioning mechanism 4 is mounted on the frame 1, and the opposite end of the tipping positioning mechanism 4 is used to temporarily fix the mounting table 2 in the raised position.

[0056] The testing device and the flipping machine table provided by the embodiment of the present utility model install the upper mold on the installation table 2, install the lower mold on the frame 1, and rotatably connect the installation table 2 to the frame 1 around a preset rotation axis. The installation table 2 is driven by a flipping drive mechanism 3 to rotate around the preset rotation axis, so that the installation table 2 reciprocates between a horizontal position and a raised position. When the installation table 2 is in the horizontal position, the upper mold and the lower mold are closed to test the workpiece to be tested. When the installation table 2 is in the raised position, a flipping positioning mechanism 4 temporarily fixes the installation table 2. At this time, the upper mold and the lower mold between the installation table 2 and the frame 1 can be repaired or replaced. This flipping machine table can realize the repair or replacement of the upper mold and the lower mold without removing the installation table 2, which can simplify the repair process.

[0057] In one embodiment, as Figure 1 and Figure 2 shown, the frame 1 includes a base 11, a bracket 12 and a rotating shaft 13. The bracket 12 is installed on the base 11, the rotating shaft 13 is rotatably connected to the bracket 12 around a preset rotation axis, and the installation table 2 is connected to the rotating shaft 13, so that the installation table 2 can be rotatably connected to the bracket 12 around the preset rotation axis. One end of the flipping drive mechanism 3 is installed on the base 11, and one end of the flipping positioning mechanism 4 is installed on the bracket 12, so as to realize the installation of the installation table 2, the flipping drive mechanism 3 and the flipping positioning mechanism 4 while forming the frame 1.

[0058] In one embodiment, as Figure 1 and Figure 2 shown, the bracket 12 includes a first mounting frame 121 and a second mounting frame 122. The first mounting frame 121 and the second mounting frame 122 are spaced apart on the base 11 to realize the installation connection of the bracket 12 on the base 11 and form the frame 1.

[0059] The rotating shaft 13 is rotatably connected between the first mounting frame 121 and the second mounting frame 122, realizing the installation between the rotating shaft 13 and the bracket 12, and further enabling the installation of the installation table 2 on the frame 1.

[0060] In one embodiment, as Figure 1 and Figure 2 shown, the installation table 2 has opposite first and second sides. The first side of the installation table 2 is connected to the rotating shaft 13, and the flipping drive mechanism 3 is installed between the second side of the installation table 2 and the base 11, realizing the installation connection between the installation table 2, the flipping drive mechanism 3 and the base 11.

[0061] In one embodiment, as Figure 1 and Figure 2As shown, the flipping drive mechanism 3 includes a flipping drive member 31 and a connecting member 32. One end of the flipping drive member 31 is rotatably connected to the base 11, the opposite end of the flipping drive member 31 is connected to the connecting member 32, and the end of the connecting member 32 away from the flipping drive member 31 is rotatably connected to the second side of the mounting table 2.

[0062] The flipping drive member 31 is used to drive the connecting member 32 to approach or move away from the base 11, so as to drive the mounting table 2 to rotate around a preset rotation axis, and make the mounting table 2 reciprocate between a horizontal position and a lifted position.

[0063] In one embodiment, as Figure 1 and Figure 2 shown, the flipping drive member 31 is a driving cylinder 311. The cylinder barrel 3111 of the driving cylinder 311 is rotatably connected to the base 11, and the piston rod 3112 of the driving cylinder 311 is connected to the connecting member 32.

[0064] By driving the driving cylinder 311, the connecting member 32 is made to approach or move away from the base 11. At the same time, since the cylinder barrel 3111 of the cylinder 311 is rotatably connected to the base 11 and the connecting member 32 is rotatably connected to the mounting table 2, the mounting table 2 can be driven to rotate around a preset rotation axis.

[0065] In one embodiment, as Figure 1 and Figure 2 shown, a plurality of flipping drive mechanisms 3 are provided, and the plurality of flipping drive mechanisms 3 are spaced apart from each other to realize the rotational drive of the mounting table 2 from multiple positions, making the rotation of the mounting table 2 more stable.

[0066] In one embodiment, as Figure 1 and Figure 2 shown, the plurality of flipping drive mechanisms 3 are provided on the same side of the mounting table 2.

[0067] As Figure 1 and Figure 2 shown in the embodiment, two flipping drive mechanisms 3 are provided. Both of the two flipping drive mechanisms 3 are provided on the second side of the mounting table 2, and the piston rods 3112 of the driving cylinders 311 of the two flipping drive mechanisms 3 are arranged parallel to each other, so as to simultaneously perform rotational drive on the mounting table 2 through the two flipping drive mechanisms 3, making the rotation of the mounting table 2 more stable.

[0068] In other embodiments, the plurality of flipping drive mechanisms 3 can also be provided on the opposite sides of the mounting table 2.

[0069] In one embodiment, as Figure 1 and Figure 2 shown, a mounting block 21 is provided on the mounting table 2, and the connecting member 32 is rotatably connected to the mounting block 21, so as to indirectly realize the rotational connection between the connecting member 32 and the mounting table 2.

[0070] A transfer block is provided on the base 11, and one end of the flipping drive member 31 is rotatably connected to the transfer block, so as to indirectly realize the rotational connection between one end of the flipping drive member 31 and the base 11.

[0071] In one embodiment, as Figure 1 and Figure 2 shown, the flipping machine table further includes a horizontal positioning mechanism 5. The horizontal positioning mechanism 5 is installed between the support 12 and the mounting table 2. The horizontal positioning mechanism 5 is used to temporarily fix the mounting table 2 in the horizontal position, so as to ensure the mold closing of the upper mold and the lower mold and the testing of the workpiece to be tested.

[0072] In one embodiment, as Figure 1 and Figure 2 shown, the horizontal positioning mechanism 5 includes a horizontal positioning member 51 and a horizontal positioning plate 52. The horizontal positioning plate 52 is installed on the support 12, and a first mating portion 521 is provided on the horizontal positioning plate 52. The horizontal positioning member 51 is installed on the side of the mounting table 2 away from the support 12.

[0073] When the mounting table 2 is in the horizontal position, the horizontal positioning member 51 is inserted into and mated with the first mating portion 521 to realize the temporary fixation of the mounting table 2 in the horizontal position.

[0074] In one embodiment, as Figure 1 and Figure 2 shown, a first positioning hole 522 is provided on the first mating portion 521, and the horizontal positioning member 51 is a first positioning cylinder.

[0075] When the mounting table 2 is in the horizontal position, the piston rod of the first positioning cylinder can be inserted into the first positioning hole 522 to realize the temporary fixation of the mounting table 2 in the horizontal position.

[0076] In one embodiment, as Figure 1 and Figure 2 shown, the horizontal positioning member 51 is installed on the mounting block 21 to realize the installation of the horizontal positioning member 51.

[0077] In one embodiment, as Figure 1 and Figure 2 shown, a plurality of horizontal positioning mechanisms 5 are provided, and the plurality of horizontal positioning mechanisms 5 are spaced apart from each other to temporarily fix the mounting table 2 in the horizontal position at multiple positions.

[0078] As Figure 1 and Figure 2In the illustrated embodiment, two horizontal positioning mechanisms 5 are provided. The horizontal positioning plate 52 of one of the horizontal positioning mechanisms 5 is mounted on the first mounting bracket 121, and the horizontal positioning plate 52 of the other horizontal positioning mechanism 5 is mounted on the second mounting bracket 122, thereby realizing the installation of the horizontal positioning plates 52 of the two horizontal positioning mechanisms 5.

[0079] Since one of the horizontal positioning plates 52 is mounted on the first mounting bracket 121 and the other horizontal positioning plate 52 is mounted on the second mounting bracket 122, the two horizontal positioning plates 52 are arranged oppositely. Since each horizontal positioning member 51 is mounted on the side of the mounting table 2 away from the support 12 and the two horizontal positioning plates 52 are arranged oppositely, the mounting table 2 in the horizontal position can be temporarily fixed from opposite directions.

[0080] In one embodiment, as Figure 1 and Figure 2 shown, the flipping and positioning mechanism 4 includes a flipping and positioning member 41 and a flipping and positioning plate 42. The flipping and positioning plate 42 is mounted on the support 12. A second mating portion 421 is provided on the flipping and positioning plate 42, and the flipping and positioning member 41 is mounted on the side of the mounting table 2 away from the support 12.

[0081] When the mounting table 2 is in the lifted position, the flipping and positioning member 41 is inserted into and mated with the second mating portion 421 to temporarily fix the mounting table 2 in the lifted position.

[0082] In one embodiment, as Figure 1 and Figure 2 shown, a second positioning hole 422 is provided on the second mating portion 421, and the flipping and positioning member 41 is a second positioning cylinder.

[0083] When the mounting table 2 is in the lifted position, the piston rod of the second positioning cylinder can be inserted into the second positioning hole 422 to realize the temporary fixation of the mounting table 2 in the lifted position.

[0084] In one embodiment, as Figure 1 and Figure 2 shown, a plurality of flipping and positioning mechanisms 4 are provided, and the plurality of flipping and positioning mechanisms 4 are spaced apart from each other to temporarily fix the mounting table 2 in the lifted position from multiple positions.

[0085] As Figure 1 and Figure 2 shown in the illustrated embodiment, two flipping and positioning mechanisms 4 are provided. The flipping and positioning plate 42 of one of the flipping and positioning mechanisms 4 is mounted on the first mounting bracket 121, and the flipping and positioning plate 42 of the other flipping and positioning mechanism 4 is mounted on the second mounting bracket 122, thereby realizing the installation of the flipping and positioning plates 42 of the two flipping and positioning mechanisms 4.

[0086] Since one of the flipping positioning plates 42 is installed on the first mounting bracket 121 and the other flipping positioning plate 42 is installed on the second mounting bracket 122, the two flipping positioning plates 42 are arranged oppositely. Since each flipping positioning member 41 is installed on the side of the mounting table 2 away from the bracket 12 and the two flipping positioning plates 42 are arranged oppositely, the mounting table 2 in the lifted position can be temporarily fixed from opposite directions.

[0087] In one embodiment, as Figure 1 and Figure 2 shown, the first side of the mounting table 2 and the second side of the mounting table 2 are arranged oppositely along the first direction x, the first mounting bracket 121 and the second mounting bracket 122 are arranged at intervals along the second direction y on the base 11, and the preset rotation axis extends along the second direction y.

[0088] Two horizontal positioning mechanisms 5 are respectively arranged on opposite sides of the mounting table 2 along the second direction y.

[0089] Two flipping positioning mechanisms 4 are respectively arranged on opposite sides of the mounting table 2 along the second direction y.

[0090] The first direction x intersects with the second direction y. Preferably, the first direction x is perpendicular to the second direction y.

[0091] In one embodiment, as Figure 1 and Figure 2 shown, the flipping machine table further includes a horizontal support member 6. The horizontal support member 6 is installed on the bracket 12, and the horizontal support member 6 is used to support the mounting table 2 in the horizontal position.

[0092] In one embodiment, as Figure 1 and Figure 2 shown, a limiting hole 22 is provided on the mounting table 2.

[0093] The horizontal support member 6 includes a support column 61 and a limiting column 62. The support column 61 is installed on the bracket 12, and the limiting column 62 is connected to the support column 61 to form the horizontal support member 6.

[0094] When the mounting table 2 is in the horizontal position, the support column 61 is supported between the bracket 12 and the mounting table 2, and the limiting column 62 is inserted into the limiting hole 22 to stably support the mounting table 2.

[0095] In one embodiment, as Figure 1 and Figure 2 shown, there are multiple horizontal support members 6, and the multiple horizontal support members 6 are arranged at intervals. Some of the horizontal support members 6 are installed on the first mounting bracket 121, and the rest of the horizontal support members 6 are installed on the second mounting bracket 122 to achieve stable support for the mounting table 2.

[0096] As Figure 1 andFigure 2 In the illustrated embodiment, two horizontal supports 6 are provided. One of the horizontal supports 6 is installed on the first mounting bracket 121, and the other horizontal support 6 is installed on the second mounting bracket 122 to achieve stable support for the mounting table 2.

[0097] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A turning machine, characterized in that: The invention comprises a frame, a mounting platform, a flip driving mechanism and a flip positioning mechanism, wherein the mounting platform is connected to the frame by rotation around a preset rotation axis, one end of the flip driving mechanism is mounted on the frame, and the other end of the flip driving mechanism is used to drive the mounting platform to rotate around the preset rotation axis so that the mounting platform reciprocates between a horizontal position and a raised position; One end of the flip positioning mechanism is mounted on the frame, and the other opposite end of the flip positioning mechanism is used to temporarily fix the mounting platform in the raised position.

2. The turning machine according to claim 1, characterized in that: The frame comprises a base, a bracket and a rotating shaft, the bracket is mounted on the base, the rotating shaft is rotatably connected to the bracket around the preset rotation axis, the mounting platform is connected to the rotating shaft, one end of the flip driving mechanism is mounted on the base, and one end of the flip positioning mechanism is mounted on the bracket; The bracket comprises a first mounting frame and a second mounting frame, wherein the first mounting frame and the second mounting frame are arranged on the base at intervals; The rotating shaft is rotatably connected around the preset rotating axis and between the first mounting bracket and the second mounting bracket.

3. The turning machine according to claim 2, characterized in that: The mounting platform has a first side and a second side opposite to each other. The first side of the mounting platform is connected to the rotating shaft. The flip driving mechanism is installed between the second side of the mounting platform and the base.

4. The turning machine according to claim 3, characterized in that: The flip driving mechanism comprises a flip driving member and a connecting member, one end of the flip driving member is rotatably connected to the base, the other end of the flip driving member opposite to the connecting member is connected to the connecting member, and one end of the connecting member away from the flip driving member is rotatably connected to the second side of the mounting platform; The flip driving member is used to drive the connecting member to move closer to or away from the base, so as to drive the mounting platform to rotate around the preset rotation axis.

5. The turning machine according to claim 4, characterized in that: The mounting platform is provided with a mounting block, and the connecting member is rotatably connected to the mounting block; The base is provided with an adapter block, and one end of the flip driving member is rotatably connected to the adapter block.

6. The turning machine according to claim 5, characterized in that: The flip driving member is a driving cylinder, the cylinder barrel of the driving cylinder is rotatably connected to the base, and the piston rod of the driving cylinder is connected to the connecting member; The two flip driving mechanisms are provided, and both of the two flip driving mechanisms are provided on the second side of the mounting platform, and the piston rods of the driving cylinders of the two flip driving mechanisms are provided parallel to each other.

7. The turning machine according to claim 5, characterized in that: The turning machine also includes a horizontal positioning mechanism, which includes a horizontal positioning member and a horizontal positioning plate, the horizontal positioning plate is mounted on the bracket, a first matching portion is provided on the horizontal positioning plate, and the horizontal positioning member is mounted on a side of the mounting platform away from the bracket; When the mounting platform is in the horizontal position, the horizontal positioning member is plugged into and matched with the first matching portion.

8. The turning machine according to claim 7, characterized in that: The first matching portion is provided with a first positioning hole, and the horizontal positioning member is a first positioning cylinder; When the mounting platform is in the horizontal position, the piston rod of the first positioning cylinder can be inserted into the first positioning hole; The horizontal positioning member is installed on the mounting block; There are two horizontal positioning mechanisms, wherein the horizontal positioning plate of one of the horizontal positioning mechanisms is installed on the first mounting frame, and the horizontal positioning plate of the other horizontal positioning mechanism is installed on the second mounting frame.

9. The turning machine according to claim 8, characterized in that: The flip positioning mechanism comprises a flip positioning member and a flip positioning plate, wherein the flip positioning plate is mounted on the bracket, a second matching portion is provided on the flip positioning plate, and the flip positioning member is mounted on a side of the mounting platform away from the bracket; When the mounting platform is in the raised position, the flip positioning member is plugged into and matched with the second matching portion.

10. The turning machine according to claim 9, characterized in that: The second matching portion is provided with a second positioning hole, and the flip positioning member is a second positioning cylinder; When the mounting platform is in the raised position, the piston rod of the second positioning cylinder can be inserted into the second positioning hole; The flip positioning mechanisms are provided with two, wherein the flip positioning plate of one of the flip positioning mechanisms is installed on the first mounting frame, and the flip positioning plate of the other flip positioning mechanism is installed on the second mounting frame.

11. The turning machine according to claim 10, characterized in that: The first side of the mounting platform and the second side of the mounting platform are arranged opposite to each other along a first direction; The two horizontal positioning mechanisms are respectively arranged on opposite sides of the mounting platform along the second direction; The two flipping and positioning mechanisms are respectively arranged on opposite sides of the mounting platform along the second direction; The preset rotation axis extends along the second direction; The first direction intersects the second direction.

12. The turning machine according to claim 2, characterized in that: The turning machine further comprises a horizontal support member, which is mounted on the bracket and is used to support the mounting table in the horizontal position; The mounting platform is provided with a limited position hole; The horizontal support member includes a support column and a limiting column, the support column is installed on the bracket, and the limiting column is connected to the support column; When the mounting platform is in the horizontal position, the support column is supported between the bracket and the mounting platform, and the limiting column is inserted into the limiting hole; There are two horizontal support members, one of which is installed on the first mounting frame, and the other is installed on the second mounting frame.

13. A testing device, characterized in that: It comprises an upper mold, a lower mold and a turning machine according to any one of claims 1 to 12, wherein the upper mold is mounted on the mounting platform, and the lower mold is mounted on the frame; When the mounting platform is in the horizontal position, the upper die and the lower die are closed to test the workpiece to be tested.

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