Special automatic overturning hanging tool for blind hole product surface treatment

Abstract

The utility model belongs to the technical field of surface treatment, and particularly relates to a special automatic turnover hanger for surface treatment of blind hole products, which comprises a conductive bar component and a clamping component. The clamping assembly comprises a rectangular main body frame, a conductive hook is arranged at the top of the main body frame, an overturning frame capable of overturning up and down is arranged in the main body frame, a plurality of clamping elastic sheets for clamping blind hole products are uniformly arranged on the overturning frame, a conductive connecting plate is arranged on the overturning frame, the conductive connecting plate is connected to a conductive copper wire, and an overturning pull rod is hinged to the overturning frame; the flying bar assembly comprises a flying bar frame, positioning frames are symmetrically arranged on the top faces of the two ends of the flying bar frame, connecting frames are symmetrically arranged on the bottom faces of the two ends of the flying bar frame, a copper rectangular pipe is arranged between the two connecting frames, conductive copper bases are arranged at the two ends of the copper rectangular pipe, and an overturning driving assembly is further arranged on the flying bar frame and connected with an overturning pull rod. And the conductive hook is hung on the copper rectangular tube. The device can be automatically overturned, so that the surface of a blind hole product is uniformly treated, and meanwhile, the waste of surface treatment liquid medicine is avoided.

Description

Technical Field

[0001] This utility model relates to the field of surface treatment technology, and in particular to a special hanger for automatic flipping of blind hole products for surface treatment. Background Technology

[0002] When surface-treating blind-hole products, a fixture is typically used to clamp the product and immerse it in a surface-treating solution. Electricity is then applied to create a surface-treating layer. The surface of a blind-hole product includes an outer and an inner surface. The surface-treating layer on the outer surface is relatively uniform, but due to the blind holes, air remains trapped inside after immersion. This prevents the surface-treating solution from completely covering the inner surface, resulting in uneven surface treatment and poor product quality. However, if the blind holes are clamped upwards or at a slight angle during immersion in the surface-treating solution, although the surface treatment layer may not be completely uniform, the surface treatment layer will still be formed. While a relatively uniform surface treatment layer can be formed on the inner surface of blind-hole products, a large amount of surface treatment solution remains inside the blind-hole products when they are removed from the surface treatment solution. This surface treatment solution contaminates the solution used in subsequent processing of the blind-hole products and also causes a significant waste of the surface treatment solution. To solve these problems, it is necessary to manually remove the blind-hole products from the hanger one by one, pour the surface treatment solution inside the blind-hole back into the surface treatment tank, and then clamp the blind-hole products for subsequent processing. This results in a huge workload for workers, extremely low work efficiency, very slow production speed of blind-hole products, and high production costs for enterprises.

[0003] To address the aforementioned issues, this utility model document proposes a special hanger for automatic flipping of blind hole product surface treatment. Utility Model Content

[0004] This utility model provides a special automatic flipping fixture for surface treatment of blind hole products, which can automatically flip the product to ensure uniform surface treatment and avoid waste of surface treatment solution.

[0005] This utility model provides the following technical solution:

[0006] A special fixture for automatic flipping of blind hole product surface treatment, including a fly bar assembly and a clamping assembly;

[0007] The clamping assembly includes a rectangular main frame, a conductive hook at the top of the main frame, a flip frame inside that flips up and down, a plurality of clamping springs for clamping blind hole products evenly distributed on the flip frame, a conductive connecting plate on the flip frame, a conductive copper wire connected to the conductive connecting plate, a hinge on the flip frame, and a flip pull rod hinged on the hinge.

[0008] The flying bar assembly includes a flying bar frame, with positioning frames symmetrically arranged on the top surfaces of both ends of the flying bar frame and connecting frames symmetrically arranged on the bottom surfaces. A copper rectangular tube is provided between the two connecting frames, and conductive copper seats are provided at both ends of the copper rectangular tube. The flying bar frame is also provided with a flip drive assembly, which is connected to a flip pull rod. The conductive hook is suspended on the copper rectangular tube.

[0009] Furthermore, the flipping drive assembly includes a motor and a drive shaft. The output end of the motor is connected to a drive gear, and a driven gear is fixedly sleeved on the drive shaft. The drive gear meshes with the driven gear. Turntables are sleeved on both ends of the drive shaft. A guide shaft is provided on the turntable, and a guide plate is sleeved on the guide shaft. A strip-shaped hole is opened on the guide plate, and the guide shaft is located in the strip-shaped hole. A lifting rod is connected to the bottom end of the guide plate, and the lifting rod is connected to the flipping pull rod.

[0010] Furthermore, the flybar frame is equipped with a positioning guide sleeve, and the lifting rod is located inside the positioning guide sleeve.

[0011] Furthermore, the flybar frame is equipped with a positioning frame, the positioning frame is equipped with multiple positioning seats, the motor is fixedly mounted on the positioning seats, and the driven gear is rotatably mounted on the positioning frame.

[0012] Furthermore, the positioning seat is symmetrically provided with two spherical bearings with square seats, and the spherical bearings are sleeved on the transmission shaft; the bottom of the two lifting rods is provided with a horizontal connecting plate, and the top of the flipping rod is connected to the horizontal connecting plate.

[0013] Furthermore, the flipping frame is provided with a connecting line, which has a "U" shaped structure and is tapered, with both ends fixed to the flipping frame; a positioning plate is fixed on the flipping pull rod, and a positioning block is fixed on the positioning plate. The positioning block has an annular positioning groove, and the middle part of the connecting line is locked in the positioning groove.

[0014] Furthermore, a connecting sleeve is provided at the bottom of the main frame, and a locking bolt is provided on the side wall of the connecting sleeve.

[0015] Furthermore, the clamping spring includes two spring units, one end of which is glued together and fixed to the flipping frame.

[0016] Furthermore, the clamping spring has a "U" shaped structure, with one end fixed to the flipping frame.

[0017] Furthermore, two rotating shafts are symmetrically arranged on the flipping frame, and two flipping sleeves are symmetrically arranged on the two side walls of the main frame, with the rotating shafts located inside the flipping sleeves.

[0018] In this invention, the blind hole product is clamped and positioned by a clamping spring. The flipping drive component pulls the flipping rod, which moves up and down, causing the flipping frame to flip up and down within the main frame, thus expelling the air from the blind hole. After surface treatment, the surface treatment solution remaining in the blind hole can also be poured back into the surface treatment tank, greatly reducing the workload of workers, improving work efficiency, avoiding contamination of other solutions by the surface treatment solution, reducing waste of surface treatment solution, and lowering the production cost of enterprises. Attached Figure Description

[0019] Figure 1 A three-dimensional structural diagram of a special hanger for automatic flipping of surface treatment of blind hole products provided in an embodiment of this utility model;

[0020] Figure 2 This is a schematic diagram of the main structure of a special hanger for automatic flipping of surface treatment of blind hole products provided in an embodiment of the present utility model;

[0021] Figure 3 A three-dimensional structural diagram of the clamping component in an automatic flipping special hanger for surface treatment of blind hole products provided in this embodiment of the utility model;

[0022] Figure 4 A side view of the clamping component in an automatic flipping fixture for surface treatment of blind hole products provided in this embodiment of the utility model;

[0023] Figure 5 A three-dimensional structural diagram of the main frame of a special hanger for automatic flipping of blind hole product surface treatment provided in an embodiment of this utility model;

[0024] Figure 6 A three-dimensional structural diagram of the flipping pull rod in an automatic flipping special hanger for surface treatment of blind hole products provided in this embodiment of the utility model;

[0025] Figure 7 A three-dimensional structural diagram of a special hanger for automatically flipping the surface treatment of blind hole products, provided for an embodiment of this utility model, showing the clamping of a spring piece;

[0026] Figure 8 A three-dimensional structural diagram of the connecting wire in an automatic flipping special hanger for surface treatment of blind hole products provided in this embodiment of the utility model;

[0027] Figure 9 A three-dimensional structural diagram of the flipping frame in an automatic flipping fixture for surface treatment of blind hole products provided in this embodiment of the utility model;

[0028] Figure 10This is a schematic diagram of the main structure of the flybar component in an automatic flipping fixture for surface treatment of blind hole products provided in an embodiment of the present utility model;

[0029] Figure 11 A top view of the flybar assembly in an automatic flipping fixture for surface treatment of blind hole products provided in this embodiment of the utility model;

[0030] Figure 12 A side view of the flybar assembly in an automatic flipping fixture for surface treatment of blind hole products provided in this embodiment of the utility model;

[0031] Figure 13 This is a front view structural diagram of another embodiment of a special hanger for automatically flipping the surface treatment of blind hole products, which is provided in this utility model embodiment.

[0032] Figure label:

[0033] 1. Flybar assembly; 101. Flybar frame; 102. Positioning frame; 103. Connecting frame; 104. Conductive copper base; 105. Copper rectangular tube; 106. Positioning frame; 107. Motor; 108. Drive gear; 109. Driven gear; 110. Transmission shaft; 111. Turntable; 112. Guide shaft; 113. Positioning seat; 114. Positioning guide sleeve; 115. Lifting rod; 116. Horizontal connecting plate; 117. Guide plate; 11701, strip hole; 2, clamping assembly; 201, main frame; 202, flipping frame; 203, clamping spring; 204, flipping pull rod; 205, conductive hook; 206, conductive copper wire; 207, positioning plate; 208, positioning block; 209, connecting wire; 210, conductive connecting plate; 211, connecting sleeve; 212, locking bolt; 213, rotating shaft; 214, flipping sleeve. Detailed Implementation

[0034] The embodiments of the present invention will now be described with reference to the accompanying drawings.

[0035] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connection" and "installation" should be interpreted broadly. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. Furthermore, "connection" can be a direct connection or an indirect connection through an intermediate medium. "Fixed" means that the relative positional relationship remains unchanged after the connection. The directional terms mentioned in the embodiments of this utility model, such as "inner," "outer," "top," and "bottom," are only for reference to the directions in the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of this utility model, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0036] In this embodiment of the invention, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" and "second" may explicitly or implicitly include one or more of that feature.

[0037] In this embodiment of the invention, "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three situations: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0038] References to "one embodiment" or "some embodiments" as used in this specification mean that one or more embodiments of the present invention include a specific feature, structure, or characteristic described in connection with that embodiment. Therefore, the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in still other embodiments," etc., appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless otherwise specifically emphasized.

[0039] Example 1:

[0040] Reference Figures 1 to 12 As shown, a special automatic flipping fixture for surface treatment of blind hole products includes a fly bar assembly 1 and a clamping assembly 2.

[0041] The clamping assembly 2 includes a rectangular main frame 201. The top of the main frame 201 is provided with a conductive hook 205. Inside, there is a flip frame 202 that flips up and down. Multiple clamping springs 203 for clamping blind hole products are evenly provided on the flip frame 202. A conductive connecting plate 210 is provided on the flip frame 202. A conductive copper wire 206 is connected to the conductive connecting plate 210. A hinge is provided on the flip frame 202. A flip pull rod 204 is hinged to the hinge.

[0042] The flybar assembly 1 includes a flybar frame 101. Positioning frames 106102 are symmetrically arranged on the top surface of both ends of the flybar frame 101, and connecting frames 103 are symmetrically arranged on the bottom surface. A copper rectangular tube 105 is arranged between the two connecting frames 103. A conductive copper seat 104 is provided at both ends of the copper rectangular tube 105. A flip drive assembly is also provided on the flybar frame 101. The flip drive assembly is connected to the flip pull rod 204. The conductive hook 205 is suspended on the copper rectangular tube 105.

[0043] The blind hole product to be processed is fixed to the flip frame 202 by the clamping spring 203. The flybar 101 is fixed to the gantry crane by the positioning frame 106102 on the top. The conductive copper base 104 is energized, which in turn energizes the copper rectangular tube 105, which in turn energizes the conductive hook 205, thus energizing the main frame 201, the flip frame 202, and the clamping spring 203. This energizes the blind hole product fixed to the clamping spring 203, facilitating surface treatment. The flip drive assembly pulls the flip lever 204, causing the flip lever 204 to move up and down, which in turn drives the flip frame 202 to flip up and down. During surface treatment, the main frame 201 is inserted into the surface. In the treatment solution, there will be air in the blind holes of the blind hole product. When the flipping frame 202 flips upward, the opening of the blind hole tilts downward, compressing the air in the blind hole. When the flipping frame 202 flips downward, the opening of the blind hole tilts upward, and the air in the blind hole will be discharged upward along the inner wall of the blind hole, ensuring that the surface treatment of the inner wall of the blind hole is uniform. After the surface treatment is completed, the main frame 201 is lifted by the crane. At this time, there will be residual surface treatment solution in the blind hole. When the flipping frame 202 flips upward, the opening of the blind hole tilts downward, thus pouring the residual surface treatment solution in the blind hole back into the surface treatment tank, avoiding waste of surface treatment solution and contamination of the solution used in subsequent processes.

[0044] The conductive copper wire 206 connected to the flip frame 202 further improves the conductivity of the flip frame 202, preventing the flip frame 202 from failing to conduct electricity due to poor contact when it rotates on the main frame 201. This would prevent the blind hole products on the flip frame 202 from undergoing surface treatment, resulting in different surface treatment levels for the blind hole products on different flip frames 202 on a single main frame 201, thus affecting the overall product quality.

[0045] The flipping drive assembly includes a motor 107 and a drive shaft 110. The output end of the motor 107 is connected to a drive gear 108. A driven gear 109 is fixedly sleeved on the drive shaft 110. The drive gear 108 meshes with the driven gear 109. Turntables 111 are sleeved on both ends of the drive shaft 110. A guide shaft 112 is provided on the turntable 111. A guide plate 117 is sleeved on the guide shaft 112. A strip hole 11701 is opened on the guide plate 117. The guide shaft 112 is located in the strip hole 11701. A lifting rod 115 is connected to the bottom end of the guide plate 117. The lifting rod 115 is connected to the flipping pull rod 204.

[0046] By clicking, the drive gear 108 is driven to rotate, and the drive gear 108 meshes with the driven gear 109, thereby driving the driven gear 109 to rotate. The driven gear 109 is fixed on the transmission shaft 110, thereby driving the transmission shaft 110 to rotate. The rotation of the transmission shaft 110 will drive the turntable 111 to rotate, and the guide shaft 112 on the turntable 111 will rotate together with the turntable 111. While rotating, the guide shaft 112 will also drive the guide plate 117 to move together, and at the same time, it will reciprocate within the slotted hole 11701. The guide plate 117 will move up and down, thereby driving the lifting rod 115 to move up and down. The lifting rod 115 is connected to the flipping pull rod 204, thereby pulling the flipping pull rod 204 to reciprocate up and down. The flipping pull rod 204 can then pull the flipping frame 202 to flip up and down within the main frame 201.

[0047] The Fiber Optic Frame 101 is equipped with a positioning guide sleeve 114, and the lifting rod 115 is located inside the positioning guide sleeve 114.

[0048] The positioning guide sleeve 114 ensures the stability of the lifting rod 115 in the up and down direction, thereby ensuring the stability of the flipping frame 202 during movement and preventing the blind hole product fixed on the clamping spring 203 from falling off.

[0049] The flybar frame 101 is equipped with a positioning frame 106102, and the positioning frame 106102 is equipped with multiple positioning seats 113. The motor 107 is fixedly mounted on the positioning seat, and the driven gear 109 is rotatably mounted on the positioning frame 106102.

[0050] The positioning bracket 106102 facilitates the installation of the motor 107 and the driven gear 109 on the flybar frame 101.

[0051] Two spherical bearings with square seats are symmetrically arranged on the positioning seat 113, and the spherical bearings are sleeved on the drive shaft 110; the bottom of the two lifting rods 115 is provided with a horizontal connecting plate 116, and the top of the flipping rod is connected to the horizontal connecting plate 116.

[0052] Since the drive shaft 110 is relatively long, it is supported by two spherical bearings with square seats. This also ensures that the two ends of the drive shaft 110 will not bend while it is rotating, thereby ensuring the stability of the rotation of the turntables 111 located at both ends of the drive shaft 110.

[0053] The bottoms of the two lifting rods 115 are connected by a horizontal connecting plate 116. The movement of the lifting rods 115 is synchronized, and the up and down movement of the horizontal connecting plate 116 is smooth. If multiple main frames 201 are used, the flip connection of each main frame 201 can be connected to the horizontal connecting plate 116 to meet the needs of large-scale production.

[0054] The flip frame 202 is provided with a connecting line 209, which has a "U" shaped structure and is tapered. Both ends of the connecting line 209 are fixed to the flip frame 202. A positioning plate 207 is fixed on the flip pull rod 204. A positioning block 208 is fixed on the positioning plate 207. An annular positioning groove is opened on the positioning block 208. The middle part of the connecting line 209 is inserted into the positioning groove.

[0055] The connecting line 209 is locked in the positioning groove. As the flipping lever 204 moves up and down, the connecting line 209 rotates in the positioning groove. At the same time, as the flipping frame 202 flips up and down, the positioning block 208 will also move a short distance within the connecting line 209 to avoid motion interference.

[0056] The bottom of the main frame 201 is also provided with a connecting sleeve 211, and the side wall of the connecting sleeve 211 is provided with a locking bolt 212.

[0057] Multiple main frames 201 can be connected into a whole by connecting sleeve 211. Connecting pipes are set inside connecting sleeve 211 and then locked and fixed by locking bolts 212. On the one hand, it can improve the overall conductivity, and on the other hand, it can prevent them from affecting each other and colliding when large-scale surface treatment is carried out in the factory.

[0058] The clamping spring 203 includes two spring units, one end of which is glued together and fixed to the flip frame 202.

[0059] Two spring clip units are suitable for products with large blind hole depth and small diameter. Moreover, the overall structure of the blind hole product is relatively slender. The two spring clip units are inserted into the blind hole, and the elastic force of the two spring clip units in opposite directions causes the ends of the spring clip units to abut against the inner wall of the blind hole, thereby clamping and fixing the blind hole product.

[0060] Two rotating shafts 213 are symmetrically arranged on the flip frame 202, and two flip sleeves 214 are symmetrically arranged on the two side walls of the main frame 201, with the rotating shafts 213 located inside the flip sleeves 214.

[0061] The rotating shaft 213 rotates within the flipping sleeve 214, allowing the flipping frame 202 to rotate relative to the main frame 201, which facilitates the flipping lever 204 to pull the flipping frame 202 to flip up and down within the main frame 201.

[0062] In use, the flybar assembly 1 is fixed to the crane using the positioning bracket 106102, while the conductive copper base 104 is connected to an external power source, energizing the copper rectangular tube 105. The main frame 201 is then suspended from the copper rectangular tube 105 via the top conductive hook 205, energizing the main frame 201. The main frame 201 and the flipping frame 202 are rotatably connected via the rotating shaft 213 and the flipping sleeve 214, energizing the flipping frame 202, which in turn energizes the clamping spring 203. Before energizing, the worker places the blind hole product onto the clamping spring 203. After the blind hole product is clamped, the flybar assembly is moved by the crane. Component 1 and the clamping assembly 2 suspended on the flybar assembly 1 are moved above the surface treatment tank. Then, the main frame 201 is immersed in the surface treatment solution. At the same time, the motor 107 is started, causing the motor 107 to drive the drive gear 108 to rotate, which in turn drives the transmission shaft 110 to rotate. The turntable 111 on the rotating seat rotates accordingly, and the guide shaft 112 on the turntable 111 also rotates with the turntable 111. While rotating, the guide shaft 112 reciprocates within the slot 11701 on the guide plate 117, causing the guide plate 117 to move up and down. The lifting rod 115 connected to the guide plate 117 also moves up and down. The reciprocating motion causes the flipping rod 204 to move up and down reciprocally. As the flipping rod 204 moves, it pulls the flipping frame 202 to flip up and down. Because the flipping trajectory of the flipping frame 202 is arc-shaped, and the positioning block 208 on the flipping rod 204 slides within the connecting line 209, it prevents the flipping rod 204 from becoming horizontal while the flipping frame 202 rotates, thus avoiding motion interference. The up-and-down flipping of the flipping frame 202 causes the orifice of the blind hole in the blind hole product clamped on the flipping frame 202 to change between upward and downward tilting. When the orifice tilts downward, the surface... The surface treatment solution compresses the air inside the blind holes, concentrating it at the bottom. When the opening of the blind hole rotates upwards, the air is expelled along the inner wall, ensuring full contact between the surface treatment solution and the inner wall. This ensures uniform surface treatment of the blind-hole product. After surface treatment, a crane pulls the main frame 201 out of the surface treatment solution. At this point, some surface treatment solution remains inside the blind hole. The rotating frame 202 continues to rotate, and when the blind hole opening rotates downwards, the surface treatment solution flows out and back into the surface treatment tank, allowing the blind-hole product to proceed with subsequent processing. This significantly reduces worker workload, improves work efficiency, avoids contamination of other surface treatment solutions, reduces waste, and lowers production costs for the company.

[0063] In practical applications, enterprises often have large-scale production and perform multiple surface treatments simultaneously. Multiple flip frames 202 can be installed within the main frame 201, and multiple main frames 201 can also be used. Connecting rods pass through the connecting sleeves 211 at the bottom of the main frame 201, and then the connecting rods are locked with locking bolts 212. This connects multiple main frames 201 into a single unit, ensuring that the multiple main frames 201 maintain consistency when oscillating in the surface treatment liquid, preventing collisions between products and ensuring the normal progress of surface treatment. Simultaneously, the flip connections of each main frame 201 are connected to the horizontal connecting plate 116, ensuring that the vertical flipping of each main frame 201 and its flip frame 202 remains consistent, guaranteeing uniform surface treatment and ensuring product quality.

[0064] A support base is provided on the bottom of the main frame 201 to facilitate the stable placement of the main frame 201.

[0065] Example 2:

[0066] Reference Figure 13 As shown, the clamping spring 203 has a "U" shaped structure, with one end fixed to the flipping frame.

[0067] The "U"-shaped clamping spring 203 is suitable for products with large blind hole diameters. The blind hole of the product is fitted onto the outer wall of the clamping spring 203, and the side wall of the clamping spring 203 is pressed tightly, so that the side wall is tightly against the inner wall of the blind hole, thereby clamping and fixing the blind hole product.

[0068] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. In the absence of conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A special automatic flipping hanger for surface treatment of blind hole products, characterized in that, Includes flybar assembly and clamping assembly; The clamping assembly includes a rectangular main frame, a conductive hook at the top of the main frame, a flip frame inside that flips up and down, a plurality of clamping springs for clamping blind hole products evenly distributed on the flip frame, a conductive connecting plate on the flip frame, a conductive copper wire connected to the conductive connecting plate, a hinge on the flip frame, and a flip pull rod hinged on the hinge. The flying bar assembly includes a flying bar frame, with positioning frames symmetrically arranged on the top surfaces of both ends of the flying bar frame and connecting frames symmetrically arranged on the bottom surfaces. A copper rectangular tube is provided between the two connecting frames, and conductive copper seats are provided at both ends of the copper rectangular tube. The flying bar frame is also provided with a flip drive assembly, which is connected to a flip pull rod. The conductive hook is suspended on the copper rectangular tube.

2. The special automatic flipping fixture for surface treatment of blind hole products according to claim 1, characterized in that, The flipping drive assembly includes a motor and a drive shaft. The output end of the motor is connected to a drive gear. A driven gear is fixedly sleeved on the drive shaft. The drive gear meshes with the driven gear. Turntables are sleeved on both ends of the drive shaft. A guide shaft is provided on the turntable. A guide plate is sleeved on the guide shaft. A strip hole is opened on the guide plate. The guide shaft is located in the strip hole. A lifting rod is connected to the bottom end of the guide plate. The lifting rod is connected to the flipping pull rod.

3. The special automatic flipping fixture for surface treatment of blind hole products according to claim 2, characterized in that, The flybar frame is equipped with a positioning guide sleeve, and the lifting rod is located inside the positioning guide sleeve.

4. The special automatic flipping fixture for surface treatment of blind hole products according to claim 2, characterized in that, The flyer frame is equipped with a positioning frame, which has multiple positioning seats. The motor is fixedly mounted on the positioning seats, and the driven gear is rotatably mounted on the positioning frame.

5. The automatic flipping fixture for surface treatment of blind hole products according to claim 4, characterized in that, The positioning seat is also symmetrically provided with two spherical bearings with square seats, and the spherical bearings are sleeved on the transmission shaft; the bottom of the two lifting rods is provided with a horizontal connecting plate, and the top of the flipping rod is connected to the horizontal connecting plate.

6. The special automatic flipping fixture for surface treatment of blind hole products according to claim 1, characterized in that, The hinge is a connecting line with a "U" shape and a tapered end, with both ends fixed to the flip frame; a positioning plate is fixed on the flip rod, and a positioning block is fixed on the positioning plate. An annular positioning groove is opened on the positioning block, and the middle part of the connecting line is locked in the positioning groove.

7. The special automatic flipping fixture for surface treatment of blind hole products according to claim 1, characterized in that, The bottom of the main frame is also provided with a connecting sleeve, and the side wall of the connecting sleeve is provided with locking bolts.

8. The special automatic flipping fixture for surface treatment of blind hole products according to claim 1, characterized in that, The clamping spring includes two spring units, one end of which is glued together and fixed to the flipping frame.

9. A special automatic flipping fixture for surface treatment of blind hole products according to claim 1, characterized in that, The clamping spring has a "U" shaped structure, with one end fixed to the flipping frame.

10. A special automatic flipping fixture for surface treatment of blind hole products according to claim 1, characterized in that, Two rotating shafts are symmetrically arranged on the flipping frame, and two flipping sleeves are symmetrically arranged on the two side walls of the main frame, with the rotating shafts located inside the flipping sleeves.

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