Automatic flushing device for acid liquid in workpiece hole

Abstract

The application relates to the technical field of industrial automatic cleaning equipment, in particular to an automatic flushing device for acid liquid in workpiece holes, which comprises a device body, the device body comprises a workbench, a placing table, a swing mechanism and a flushing mechanism, the placing table is used for placing workpieces, the placing table can rotate around an own axis to drive the workpieces to rotate synchronously, an annular guide rail is installed on the workbench, the placing table is in sliding fit with the annular guide rail and can move along the annular guide rail in a circumferential direction, and the swing mechanism is installed on the placing table. Through rotation of the placing table and movement of the placing table along the annular guide rail, rotation and revolution of the workpieces are realized, the inner holes on the workpieces are uniformly covered by high-pressure water flow, through vertical swinging of the swing mechanism, residual liquid in the holes is forcibly removed in a physical swinging mode, the deficiency of simple flushing is made up, and the acid liquid in the holes of the workpieces can be effectively removed.

Description

Technical Field

[0001] This application relates to the technical field of industrial automated cleaning equipment, and in particular to an automatic flushing device for acid in the holes of a workpiece. Background Technology

[0002] During the automobile manufacturing process, various parts need to undergo electrophoretic treatment to comprehensively improve the vehicle's corrosion resistance, wear resistance, aesthetics, or to impart special functional characteristics.

[0003] After electrophoresis treatment of workpieces, acid used in the electrophoresis process will remain near the walls of through holes, blind holes, threaded holes, etc. Currently, workers mainly use high-pressure air hoses or cleaning tools to blow air or wipe the holes one by one. However, due to gravity and capillary adsorption, the acid in blind holes with small diameter and large depth is easily accumulated and retained at the bottom and deep inside of the hole. Conventional rinsing methods are difficult to effectively remove it. Long-term storage can easily lead to defects such as whitening of the hole wall, pitting, and rusting of the paint film, which seriously affects the corrosion resistance and reliability of the workpiece. Summary of the Invention

[0004] In order to overcome the shortcomings of existing technologies where acid in blind holes with small diameters and large depths is prone to accumulating and stagnating due to gravity and capillary adsorption, and is difficult to completely remove by conventional flushing methods, this application provides an automatic flushing device for acid in workpiece holes.

[0005] This application provides an automatic acid flushing device for the hole of a workpiece, which adopts the following technical solution: An automatic flushing device for acid in the holes of a workpiece includes a device body, which includes a worktable, a placement platform, a swinging mechanism, and a flushing mechanism. The placement platform is used to place the workpiece and can rotate around its own axis to drive the workpiece to rotate synchronously. An annular guide rail is installed on the worktable, and the placement platform slides with the annular guide rail and can move circumferentially along the annular guide rail. The swinging mechanism is installed on the placement platform and is used to fix the workpiece and drive the workpiece to rotate and swing vertically relative to the placement platform to throw out residual liquid in the holes of the workpiece. The flushing mechanism is located above the worktable to spray and flush the workpiece.

[0006] By adopting the above technical solution, the rotation of the placement platform and the movement of the placement platform along the annular guide rail realize the rotation and revolution of the workpiece, ensuring that the inner holes on the workpiece are evenly covered by high-pressure water flow. Then, through the vertical swing of the swing mechanism, the residual liquid in the hole is powerfully removed by physical swinging, which makes up for the shortcomings of simple rinsing, effectively removes acid liquid from the hole of the workpiece, and improves the corrosion resistance and reliability of the workpiece.

[0007] Optionally, the swing mechanism includes a gear assembly, a drive source, and a clamping swing assembly for clamping the workpiece. The gear assembly includes a driving gear and a driven gear that mesh with each other. The drive source drives the driving gear to rotate forward and synchronously drives the driven gear to rotate in reverse. The driving gear and the driven gear respectively drive the clamping swing assembly to swing synchronously in the forward and reverse directions.

[0008] By adopting the above technical solution, the forward rotation of the driving gear drives the clamping swing assembly to swing synchronously in the forward direction, while the reverse rotation of the driven gear drives the clamping swing assembly to swing in the reverse direction. By utilizing the mechanical principle of gear meshing, the single rotational motion of the driving source is transformed into the symmetrical reciprocating swing of the clamping swing assembly. The transmission is precise, which can ensure the balance and stability of the workpiece during the swing process and ensure uniform liquid ejection effect.

[0009] Optionally, the swing mechanism further includes a mounting plate, which is fixedly mounted on the placement platform. The clamping swing assembly includes a swing member and a clamping member for clamping the workpiece. The swing member is rotatably mounted on the mounting plate, and the clamping member is coaxially fixed with the swing member. A first trigger rod is mounted on the driving gear, and a second trigger rod is mounted on the driven gear. The first trigger rod and the second trigger rod alternately push the swing member to make the workpiece form an intermittent reciprocating swing.

[0010] By adopting the above technical solution, the contact and push of the first trigger rod and the second trigger rod with the swinging component respectively transform the continuous rotation of the driving gear and the driven gear into the intermittent reciprocating swing of the swinging component. The swing amplitude and frequency can be adjusted by the installation position of the first trigger rod and the second trigger rod.

[0011] Optionally, the swing member is provided with a first sliding groove and a second sliding groove. The first trigger rod is slidably engaged with the first sliding groove to push the swing member to swing forward, and the second trigger rod is slidably engaged with the second sliding groove to push the swing member to swing in the opposite direction.

[0012] By adopting the above technical solution, the cooperation between the first trigger rod and the first slide groove, and the cooperation between the second trigger rod and the second slide groove, the point contact push is transformed into line contact guidance, making the swing process more stable and smooth, reducing mechanical impact and wear, and also limiting the swing trajectory.

[0013] Optionally, a first arc-shaped component is mounted on the driving gear, and the first arc-shaped component is coaxially arranged with the first trigger rod. A second arc-shaped component is mounted on the driven gear, and the second arc-shaped component is coaxially arranged with the second trigger rod. The swing component is provided with arc-shaped guide surfaces that are adapted to the first arc-shaped component and the second arc-shaped component. The first arc-shaped component and the second arc-shaped component rotate along the corresponding arc-shaped guide surfaces to limit the swing angle of the swing component.

[0014] By adopting the above technical solution, the mechanical limitation of the swing angle is achieved due to the radius limitation of the first arc-shaped component and the second arc-shaped component, ensuring that the swing amplitude of the swing component is consistent each time and improving the repeatability accuracy of cleaning and liquid removal.

[0015] Optionally, the clamping member includes a clamping body and elastic claws. Two elastic claws are provided and installed at the end of the clamping body. The elastic claws can slide elastically along the length direction of the clamping body to adapt to workpieces of different diameters.

[0016] By adopting the above technical solution, the elastic gripper can adapt to deformation when clamping workpieces, ensuring that workpieces of different sizes are firmly clamped.

[0017] Optionally, the rinsing mechanism includes a semi-circular guide rail and a rinsing assembly. The semi-circular guide rail is fixedly installed on the worktable, and the rinsing assembly is slidably installed on the semi-circular guide rail to rinse the workpiece along an arc-shaped trajectory.

[0018] By adopting the above technical solution, the flushing component slides back and forth along the semi-circular guide rail, enabling the flushing component to flush the workpiece surface from different angles, thereby achieving multi-angle flushing of the orifice and improving the cleaning effect.

[0019] Optionally, the rinsing assembly includes an adjusting seat and a rinsing nozzle. The adjusting seat is slidably mounted on the semi-circular guide rail, and the rinsing nozzle is mounted on the adjusting seat and can slide axially to approach or move away from the workpiece surface.

[0020] By adopting the above technical solution, the flushing nozzle can slide along its own axis, thereby adjusting the distance between the flushing nozzle and the workpiece surface. This allows it to adapt to workpieces of different sizes. When the workpiece is large, the flushing nozzle can be moved further away, and when the workpiece is small, the flushing nozzle can be moved closer, thus ensuring the best match between flushing pressure and coverage.

[0021] In summary, this application includes at least one of the following beneficial technical effects: 1. The rotation of the placement platform and its movement along the circular guide rail enable the workpiece to rotate and revolve, ensuring that the inner holes on the workpiece are evenly covered by high-pressure water flow. Then, through the vertical swing of the swing mechanism, the residual liquid in the hole is forcefully removed by physical swinging, which makes up for the shortcomings of simple rinsing and achieves effective removal of acid in the workpiece hole, improving the corrosion resistance and reliability of the workpiece. 2. The forward rotation of the driving gear drives the clamping swing assembly to swing synchronously in the forward direction, while the reverse rotation of the driven gear drives the clamping swing assembly to swing in the reverse direction. By utilizing the mechanical principle of gear meshing, the single rotational motion of the driving source is transformed into the symmetrical reciprocating swing of the clamping swing assembly. The transmission is precise, which can ensure the balance and stability of the workpiece during the swing process and ensure uniform liquid ejection effect. 3. The first trigger rod and the second trigger rod respectively contact and push the swinging component, converting the continuous rotation of the driving gear and the driven gear into the intermittent reciprocating swing of the swinging component. The swing amplitude and frequency can be adjusted by the installation position of the first trigger rod and the second trigger rod. Attached Figure Description

[0022] Figure 1 This is a structural schematic diagram of an embodiment of the present application, used to illustrate the overall structure of the device body; Figure 2 This is a partial structural diagram of an embodiment of this application. Figure 1 This is used to demonstrate the specific structure of the swing mechanism; Figure 3 This is a partial structural diagram of an embodiment of this application. Figure 2 This is used to demonstrate the specific structure of the oscillating component.

[0023] Reference numerals: 1. Device body; 2. Workbench; 211. Circular guide rail; 3. Placement platform; 4. Swinging mechanism; 411. Gear assembly; 412. Driving gear; 4121. First trigger rod; 4122. First arc-shaped component; 413. Driven gear; 4131. Second trigger rod; 4132. Second arc-shaped component; 414. Intermediate gear; 421. Clamping swing assembly; 422. Swing component; 4221. First slide groove; 4222. Second slide groove; 4223. Arc-shaped guide surface; 423. Clamping component; 4231. Clamping body; 4232. Elastic gripper; 431. Mounting plate; 5. Flushing mechanism; 511. Semicircular guide rail; 521. Flushing assembly; 522. Adjustment seat; 523. Flushing nozzle. Detailed Implementation

[0024] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0025] Example: An automatic acid flushing device for the inside of a workpiece hole, reference Figure 1 and Figure 2The device includes a main body 1, which comprises a worktable 2, a placement platform 3, a swing mechanism 4, and a rinsing mechanism 5. The placement platform 3 is positioned above the worktable 2 and is used to support the workpiece to be processed. A rotary drive (not shown in the figure) is installed at the bottom of the placement platform 3, which can drive the placement platform 3 to rotate around its own axis, thereby causing the workpiece to rotate and exposing the workpiece to the rinsing range at multiple angles. The worktable 2 is equipped with a circular guide rail 211, which is a closed circular track laid on the surface of the worktable 2. The bottom of the placement platform 3 is provided with a roller structure adapted to the circular guide rail 211. The rollers are driven by a motor, allowing the placement platform 3 to move smoothly along the circumference of the circular guide rail 211, thereby realizing the revolution of the workpiece. The swing mechanism 4 is installed on the placement platform 3 and has symmetrically arranged... Two sets of swing mechanisms 4 are located on both sides of the placement platform 3. The two sets of swing mechanisms 4 clamp the two ends of the workpiece and drive the workpiece to rotate and swing vertically in sync. Through this reciprocating swing, the residual acid in the workpiece hole is effectively thrown out by inertia and centrifugal force. The rinsing mechanism 5 is set on the worktable 2 and located directly above the workpiece. It can perform high-pressure rinsing on the workpiece on the placement platform 3 to remove acid from the surface of the workpiece and the hole. Through the rotation of the placement platform 3 and the movement of the placement platform 3 along the annular guide rail 211, the rotation and revolution of the workpiece are realized, ensuring that the inner hole of the workpiece is evenly covered by high-pressure water flow. Then, through the vertical swing of the swing mechanism 4, the residual liquid in the hole is powerfully removed by physical swinging, which makes up for the shortcomings of simple rinsing and achieves effective removal of acid in the workpiece hole, improving the corrosion resistance and reliability of the workpiece.

[0026] refer to Figure 1 and Figure 2 The swing mechanism 4 includes a gear assembly 411, a drive source (not shown in the figure), and a clamping swing assembly 421. The gear assembly 411 includes a driving gear 412 and a driven gear 413 that mesh with each other. The driving gear 412 is connected to the output end of the drive source. The drive source outputs power to make the driving gear 412 rotate in the forward direction, and then the driving gear 412 drives the driven gear 413 to rotate in the reverse direction.

[0027] refer to Figure 1 and Figure 2The gear assembly 411 also includes intermediate gears 414. If the driving gear 412 and driven gear 413 directly mesh, the dimensions of the driving gear 412 and driven gear 413 need to be increased, occupying a large installation space. Therefore, two meshing intermediate gears 414 are added between the driving gear 412 and driven gear 413 for power transmission. One intermediate gear 414 meshes with the driving gear 412, and the other intermediate gear 414 meshes with the driven gear 413. The rotation of the driving gear 412 is transmitted to the driven gear 413 by the two intermediate gears 414, thereby... The forward rotation of the driving gear 412 is converted into the reverse rotation of the driven gear 413, which reduces the size of the driving gear 412 and the driven gear 413, while ensuring smooth transmission and torque output. The forward rotation of the driving gear 412 drives the clamping swing assembly 421 to swing synchronously in the forward direction, while the reverse rotation of the driven gear 413 drives the clamping swing assembly 421 to swing in the reverse direction. By utilizing the mechanical principle of gear meshing, the single rotational motion of the driving source is converted into the symmetrical reciprocating swing of the clamping swing assembly 421. The transmission is precise, which can ensure the balance and stability of the workpiece during the swing process and ensure uniform liquid ejection effect.

[0028] refer to Figure 2 and Figure 3 The swing mechanism 4 also includes a mounting plate 431, which is fixedly mounted on the placement platform 3 to provide stable support for the gear assembly 411 and the clamping swing assembly 421. The clamping swing assembly 421 includes a swing member 422 and a clamping member 423. The swing member 422 is rotatably mounted on the mounting plate 431 through a bearing structure. The clamping member 423 is coaxially fixed with the swing member 422. The workpiece is clamped and fixed by the clamping member 423. When the swing member 422 swings, the clamping member 423 swings synchronously, thereby driving the workpiece to swing. A first trigger rod 4121 is fixedly mounted on the drive gear 412. A second trigger rod 4131 is fixedly installed on the driven gear 413. The first trigger rod 4121 swings as the driving gear 412 rotates, and the second trigger rod 4131 swings in the opposite direction as the driven gear 413 rotates. They alternately push the two sides of the swing member 422. Through the contact and push of the first trigger rod 4121 and the second trigger rod 4131 with the swing member 422, the continuous rotation of the driving gear 412 and the driven gear 413 is converted into the intermittent reciprocating swing of the swing member 422. The swing amplitude and frequency can be adjusted by the installation position of the first trigger rod 4121 and the second trigger rod 4131.

[0029] refer to Figure 2 and Figure 3The swing member 422 has a first groove 4221 and a second groove 4222. The first groove 4221 and the second groove 4222 are located on both sides of the swing member 422 and are symmetrically distributed. When the driving gear 412 rotates forward, the first trigger rod 4121 slides in the first groove 4221, pushing the swing member 422 to swing forward around its axis. When the driven gear 413 rotates in reverse, the second trigger rod 4131 slides in the second groove 4222, pushing the swing member 422 to swing in the opposite direction. The cooperation between the first trigger rod 4121 and the first groove 4221, and the cooperation between the second trigger rod 4131 and the second groove 4222, realizes the transformation of point contact pushing into line contact guiding, making the swing process more stable and smooth, reducing mechanical impact and wear, and also limiting the swing trajectory.

[0030] refer to Figure 2 and Figure 3 A first arc-shaped component 4122 is mounted on the driving gear 412. The first arc-shaped component 4122 is coaxially arranged with the first trigger rod 4121, and a fixed angle is provided between the first arc-shaped component 4122 and the first trigger rod 4121. The first arc-shaped component 4122 and the first trigger rod 4121 rotate synchronously. Similarly, a second arc-shaped component 4132 is mounted on the driven gear 413. The second arc-shaped component 4132 is coaxially arranged with the second trigger rod 4131, and a fixed angle is also provided between the second arc-shaped component 4132 and the second trigger rod 4131. They rotate synchronously. The swinging component 422 is respectively equipped with... There is an arc-shaped guide surface 4223 that is adapted to the first arc-shaped component 4122 and the second arc-shaped component 4132. When the first arc-shaped component 4122 rotates with the drive gear 412, the first arc-shaped component 4122 slides along the corresponding arc-shaped guide surface 4223 on the swing component 422. Similarly, the second arc-shaped component 4132 moves along the arc-shaped guide surface 4223 on the other side. Due to the radius limitation of the first arc-shaped component 4122 and the second arc-shaped component 4132, the mechanical limit of the swing angle is realized, ensuring that the amplitude of each swing of the swing component 422 is consistent and improving the repeatability accuracy of the cleaning and spitting liquid.

[0031] refer to Figure 2 and Figure 3 The clamping member 423 includes a clamping body 4231 and elastic grippers 4232. The clamping body 4231 serves as the main body of the clamping member 423 and is coaxially fixedly connected to the rotating shaft of the swing member 422. Two elastic grippers 4232 are provided and installed at the ends of the clamping body 4231. A spring structure is provided between the elastic grippers 4232 and the clamping body 4231, so that the elastic grippers 4232 can adapt to deformation when clamping the workpiece, ensuring that workpieces of different sizes are firmly clamped.

[0032] refer to Figure 1 and Figure 2The rinsing mechanism 5 includes a semi-circular guide rail 511 and a rinsing component 521. The semi-circular guide rail 511 is fixedly installed on the worktable 2, and the rinsing component 521 is slidably installed on the semi-circular guide rail 511. The rinsing component 521 is driven to slide back and forth along the semi-circular guide rail 511 by a driving device (not shown in the figure), so that the rinsing component 521 can rinse the surface of the workpiece from different angles, and can perform multi-angle rinsing for the orifice, thereby improving the cleaning effect.

[0033] refer to Figure 1 and Figure 2 The rinsing assembly 521 includes an adjusting seat 522 and a rinsing nozzle 523. The adjusting seat 522 is slidably mounted on a semi-circular guide rail 511. By sliding the adjusting seat 522 around the arc groove of the semi-circular guide rail 511, the pitch angle of the rinsing nozzle 523 can be adjusted. The adjusting seat 522 is provided with a slide rail (not shown in the figure), which allows the rinsing nozzle 523 to slide along its own axis, thereby adjusting the distance between the rinsing nozzle 523 and the workpiece surface. This allows it to adapt to workpieces of different sizes. When the workpiece is large, the rinsing nozzle 523 can be moved further away, and when the workpiece is small, the rinsing nozzle 523 can be moved closer, thereby ensuring the best match between rinsing pressure and coverage, improving cleaning efficiency and saving cleaning fluid.

[0034] The implementation principle of this application embodiment is as follows: After the workpiece is placed on the placement table 3, it is first clamped and fixed by the swing mechanism 4 on both sides. During the cleaning process, the rotational motion of the drive source is converted into the reciprocating swing of the clamping part 423 through the gear assembly 411. The inertial force and centrifugal force are used to physically throw out most of the residual acid in the hole. At the same time, the placement table 3 drives the workpiece to rotate and the whole workpiece revolves along the annular guide rail 211 on the worktable 2 to ensure that all angles of the workpiece can be exposed within the rinsing range. The rinsing mechanism 5 located above slides back and forth on the semi-circular guide rail 511, and with the adjustment of the angle and distance of the nozzle itself, performs high-pressure multi-angle rinsing on the surface of the workpiece and the hole, so as to evenly cover and rinse the residual acid. Finally, through the dual action of physical splashing and high-pressure rinsing, the cleanliness and reliability of the workpiece cleaning are effectively improved.

[0035] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made to the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An automatic flushing device for acid in the hole of a workpiece, comprising a device body (1), characterized in that: The device body (1) includes a workbench (2), a placement platform (3), a swing mechanism (4), and a rinsing mechanism (5). The placement platform (3) is used to place the workpiece. The placement platform (3) can rotate around its own axis to drive the workpiece to rotate synchronously. A ring guide rail (211) is installed on the workbench (2). The placement platform (3) is slidably engaged with the ring guide rail (211) and can move circumferentially along the ring guide rail (211). The swing mechanism (4) is installed on the placement platform (3). The swing mechanism (4) is used to fix the workpiece and drive the workpiece to rotate and swing vertically relative to the placement platform (3) to throw out the residual liquid in the workpiece hole. The rinsing mechanism (5) is located above the workbench (2) to spray and rinse the workpiece.

2. The automatic acid flushing device for workpiece holes according to claim 1, characterized in that: The swing mechanism (4) includes a gear assembly (411), a drive source, and a clamping swing assembly (421) for clamping the workpiece. The gear assembly (411) includes a driving gear (412) and a driven gear (413) that mesh with each other. The drive source drives the driving gear (412) to rotate forward and synchronously drives the driven gear (413) to rotate in reverse. The driving gear (412) and the driven gear (413) respectively drive the clamping swing assembly (421) to swing synchronously in the forward and reverse directions.

3. The automatic acid flushing device for workpiece holes according to claim 2, characterized in that: The swing mechanism (4) further includes a mounting plate (431), which is fixedly mounted on the placement platform (3). The clamping swing assembly (421) includes a swing member (422) and a clamping member (423) for clamping the workpiece. The swing member (422) is rotatably mounted on the mounting plate (431). The clamping member (423) is coaxially fixed with the swing member (422). A first trigger rod (4121) is mounted on the driving gear (412), and a second trigger rod (4131) is mounted on the driven gear (413). The first trigger rod (4121) and the second trigger rod (4131) alternately push the swing member (422) to make the workpiece form an intermittent reciprocating swing.

4. An automatic acid flushing device for workpiece holes according to claim 3, characterized in that: The swing member (422) is provided with a first groove (4221) and a second groove (4222). The first trigger rod (4121) slides in cooperation with the first groove (4221) to push the swing member (422) to swing forward. The second trigger rod (4131) slides in cooperation with the second groove (4222) to push the swing member (422) to swing in the opposite direction.

5. An automatic acid flushing device for workpiece holes according to claim 3, characterized in that: The driving gear (412) is equipped with a first arc-shaped component (4122), which is coaxially arranged with the first trigger rod (4121). The driven gear (413) is equipped with a second arc-shaped component (4132), which is coaxially arranged with the second trigger rod (4131). The swing component (422) is provided with arc-shaped guide surfaces (4223) that are adapted to the first arc-shaped component (4122) and the second arc-shaped component (4132). The first arc-shaped component (4122) and the second arc-shaped component (4132) rotate along the corresponding arc-shaped guide surfaces (4223) to limit the swing angle of the swing component (422).

6. An automatic acid flushing device for workpiece holes according to claim 3, characterized in that: The clamping member (423) includes a clamping body (4231) and elastic grippers (4232). Two elastic grippers (4232) are provided and installed at the end of the clamping body (4231). The elastic grippers (4232) can slide elastically along the length of the clamping body (4231) to adapt to workpieces of different diameters.

7. An automatic acid flushing device for workpiece holes according to claim 1, characterized in that: The rinsing mechanism (5) includes a semi-circular guide rail (511) and a rinsing assembly (521). The semi-circular guide rail (511) is fixedly installed on the worktable (2), and the rinsing assembly (521) is slidably installed on the semi-circular guide rail (511) to rinse the workpiece along an arc trajectory.

8. An automatic acid flushing device for workpiece holes according to claim 7, characterized in that: The flushing assembly (521) includes an adjusting seat (522) and a flushing nozzle (523). The adjusting seat (522) is slidably mounted on the semi-circular guide rail (511), and the flushing nozzle (523) is mounted on the adjusting seat (522) and can slide axially to approach or move away from the workpiece surface.

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