Automatic tin dipping machine

Abstract

The utility model discloses an automatic tin dipping machine, including frame, stack disc device, the discharge rack is provided with multiple rows of discharge grid of front -back direction setting on it, and the product of waiting for dipping tin is placed on the discharge grid, and the discharge rack is stacked and placed in the up -down direction on the stack disc device, the feeding device is taken out the discharge rack from the stack disc device one by one, and the product of waiting for dipping tin on the discharge rack is pushed out, the scraping device is received the product of waiting for dipping tin that the feeding device pushes out and carries out scraping to the product of waiting for dipping tin, flux device, tin dipping device, water soaking device, manipulator, which is set up on the frame, the manipulator catches the product of waiting for dipping tin after scraping of scraping device and dips flux in flux device first, then sends the product of dipping flux into tin dipping device and dips tin, finally sends the product after dipping tin into water soaking device. The utility model discloses high degree of automation, save time and effort, and high efficiency.

Description

Technical Field

[0001] This utility model relates to a tin-dipping machine, or more precisely, an automatic tin-dipping machine. Background Technology

[0002] Most filters currently on the market are manufactured by manual tin-dipping. Manual production is inefficient, time-consuming, and labor-intensive, and there are safety hazards associated with workers operating in high-temperature environments. To address these issues, mechanical tin-dipping equipment has been developed. However, existing equipment has limitations in its tin-dipping process, including simple actions, cumbersome adjustments, limited product variety, high production costs, strict requirements on product positioning, and low automation. Utility Model Content

[0003] To address the technical problem of low automation in existing tin-dipping equipment, this invention provides an automatic tin-dipping machine.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is to design an automatic tin-dipping machine, including a frame, and the automatic tin-dipping machine further includes:

[0005] A stacking device, which is mounted on the frame;

[0006] The feeding rack has multiple rows of feeding grids arranged in a front-to-back direction, and the products to be dipped in tin are placed on the feeding grids; the feeding rack is stacked vertically on the stacking tray device;

[0007] A feeding device is mounted on the frame. The feeding device takes out the feeding racks one by one from the stacking device and pushes out the products to be dipped in tin from the feeding racks.

[0008] A scraping device is provided on the frame. The scraping device receives the product to be dipped in tin pushed out by the feeding device and scrapes the product to be dipped in tin.

[0009] A flux holder, which is mounted on the frame and is used to hold flux;

[0010] A tin-immersion apparatus, which is mounted on the frame and used to hold molten tin;

[0011] A water soaking device is mounted on the frame;

[0012] A robotic arm, mounted on the frame, picks up the product to be tinned after scraping material from the scraping device, places it into the flux device to dip it in flux, then sends the flux-dipped product into the tinning device for tinning, and finally sends the tinned product into the water soaking device.

[0013] The stacking device includes:

[0014] A stacking frame is provided on the machine frame; the feeding rack is stacked vertically within the stacking frame;

[0015] A feeding device is provided on the stacking frame, which can release the feeding racks in the stacking frame one by one from the stacking frame.

[0016] The stacking frame includes a front frame plate and a rear frame plate directly opposite the front frame plate. The front frame plate and the rear frame plate are fixed on the frame. The stacking frame has a discharge port on the right side between the front frame plate and the rear frame plate. The front frame plate and the rear frame plate have adjustment ports.

[0017] The feeding device includes:

[0018] The pallet frame includes two pallet frames, which are respectively disposed on the outer sides of the front frame and the rear frame;

[0019] The pallet frame drive mechanism includes two pallet frame drive mechanisms, which are respectively connected to two pallet frames and drive the corresponding pallet frames to move up and down.

[0020] The pallet includes two pallets, which are respectively disposed on the pallet frame. The pallets are inserted into the adjustment port and support the feeding frame from below.

[0021] The pallet drive mechanism comprises two pallet drive mechanisms, which drive the pallet to be inserted relatively close to the adjustment port to support the feeding rack and to be released relatively far away from the feeding rack.

[0022] The feeding device includes:

[0023] A loading platform, which is located at the loading station on the right side of the discharge port;

[0024] A loading platform drive mechanism is mounted on the frame and can drive the loading platform to move between the loading station and directly below the stacking frame. The loading platform drive mechanism drives the loading platform to move from the right side of the discharge port to the left side to directly below the stacking frame, carrying the unloading rack released by the pallet drive mechanism, and then drives the loading platform to move from the discharge port to the right side of the discharge port.

[0025] A pushing device is located at the feeding station and pushes the products to be dipped in tin on the feeding grid of the feeding station grid one by one to the scraping device to complete the scraping.

[0026] The scraping device includes:

[0027] A scraper seat is fixed to the frame; the upper surface of the scraper seat is provided with a recessed scraper groove arranged in the front-to-back direction; the loading platform driving mechanism drives the feeding grid of the feeding rack to be arranged opposite to the scraper groove in turn.

[0028] The feeding device includes:

[0029] A pusher seat, which is fixed to the frame;

[0030] A positioning frame drive mechanism is provided on the pusher seat;

[0031] A positioning frame is located directly behind the scraping groove and above the loading platform. The positioning frame is connected to the positioning frame drive mechanism and moves up and down under the drive of the positioning frame drive mechanism. A positioning groove is provided on the lower end surface of the positioning frame in the front-to-back direction. A pushing groove is provided on the upper end surface of the positioning frame in the front-to-back direction and communicates with the positioning groove.

[0032] A material pushing drive mechanism is provided on the material pushing base;

[0033] A push rod is located directly above the push groove and can be inserted into the push groove. The push rod is connected to the push drive mechanism and can move back and forth and up and down under the drive of the push drive mechanism.

[0034] The loading platform includes:

[0035] The loading base plate is connected to the loading platform drive mechanism and moves left and right under the drive of the loading platform drive mechanism.

[0036] A top feeding plate is located above the bottom feeding plate;

[0037] The feeding top plate drive mechanism is connected to the feeding bottom plate and the feeding top plate and drives the feeding top plate to move up and down.

[0038] The feeding device further includes:

[0039] A front baffle is fixed to the frame; a material passage groove communicating with the scraper groove is provided on the front baffle at a position directly opposite to the scraper groove;

[0040] Top frame block, which is located on the rear side of the top plate for feeding;

[0041] A top frame block drive mechanism is mounted on the frame. The top frame block drive mechanism is connected to the top frame block and drives the top frame block to move back and forth.

[0042] The scraping device further includes:

[0043] The clamping blocks include two, which are arranged opposite each other on the left and right sides of the scraping groove; the clamping blocks include scraping plates arranged above the scraping seat; the two scraping plates are symmetrically arranged opposite each other on the left and right sides of the scraping groove.

[0044] A clamping block driving mechanism is provided on the scraper seat. The clamping block driving mechanism is connected to the clamping block and drives the clamping block to move relatively closer and relatively farther away.

[0045] The feeding grid includes a feeding cavity that penetrates the feeding frame in the front-to-back direction and a support platform located in the middle of the feeding cavity and protruding upwards; the robotic arm includes two grippers arranged opposite each other and a gripper drive mechanism that drives the grippers to move closer and further apart.

[0046] The tin-immersion apparatus includes:

[0047] A soldering stand is fixed to the frame; the upper surface of the soldering stand is provided with a recessed soldering tank.

[0048] A tin scraper is positioned above the tin-dipping bath;

[0049] A tin scraper drive mechanism is mounted on the frame and can drive the tin scraper to move up and down and left and right.

[0050] This utility model comprises a stacking device, a feeding rack, a feeding device, a scraping device, a flux device, a tinning device, a water soaking device, and a robotic arm. The feeding rack has multiple rows of feeding slots arranged in a front-to-back direction, and the products to be tinned are placed on the feeding slots. The feeding racks are stacked vertically on the stacking device. The feeding device removes the feeding racks one by one from the stacking device and pushes out the products to be tinned from the feeding racks. The scraping device receives the products to be tinned from the feeding device and scrapes them. The robotic arm picks up the products to be tinned from the scraping device, places them into the flux device to dip them in flux, then sends the flux-dipped products into the tinning device for tinning, and finally sends the tinned products into the water soaking device. Therefore, during use, only manual labor is required to stack the racks containing products to be immersed in tin on the stacking device. The feeding device then removes the racks one by one from the stacking device and pushes the products to be immersed in tin onto the racks to the scraping device for scraping. Then, the robotic arm grabs the scraped products from the scraping device and places them into the flux device to dip in flux. The flux-dipped products are then sent into the tinning device for tinning. Finally, the tinned products are sent into the soaking device, which automatically completes the tinning process. This method is highly automated, saves time and labor, and has high tinning efficiency. Attached Figure Description

[0051] The present invention will now be described in detail with reference to the embodiments and accompanying drawings, wherein:

[0052] Figure 1 This is a structural diagram of the automatic tin-dipping machine of this utility model;

[0053] Figure 2 This is a structural diagram of the automatic tin-dipping machine of this utility model from another perspective;

[0054] Figure 3 This is a structural diagram of the automatic tin-dipping machine of this utility model, excluding the machine frame, robotic arm, and water-soaking device;

[0055] Figure 4 This is a structural diagram of the automatic tin-dipping machine of this utility model, without the frame base, robotic arm, and water immersion device;

[0056] Figure 5 This is a structural diagram of the stacking device, feeding rack, feeding device and scraping device of this utility model;

[0057] Figure 6 This is another perspective structural diagram of the stacking device, feeding rack, feeding device and scraping device of this utility model;

[0058] Figure 7 This is a front-to-back cross-sectional view of the disc assembly of the stacking device, feeding rack, feeding device, and scraping device of this utility model.

[0059] Figure 8 This is a cross-sectional view of the left and right sides of the feeding device of the stacking device, feeding rack, feeding device and scraping device of this utility model;

[0060] Figure 9 This is a structural diagram of the feeding device of this utility model;

[0061] Figure 10 This is a structural diagram of the scraping device of this utility model;

[0062] Figure 11 This is a structural diagram of the material feeding rack of this utility model. Detailed Implementation

[0063] The specific embodiments of this utility model are further described below with reference to the accompanying drawings:

[0064] Please see also Figures 1 to 11 This utility model automatic tin-dipping machine includes a frame 1, a stacking device 2, a feeding rack 3, a feeding device 4, a scraping device 5, a flux device 6, a tin-dipping device 7, a water-soaking device 8, and a robotic arm 9. Wherein:

[0065] The frame 1 includes a frame base 11 and a frame plate 12 mounted on the frame base 11. The frame 1 mainly serves a supporting function.

[0066] The stacking device 2 is mounted on the frame.

[0067] The feeding rack 3 is provided with multiple rows of feeding slots 31 arranged in a front-to-back direction. The product 10 to be immersed in tin is placed on the feeding slots; the feeding rack is stacked vertically on the stacking device. The product to be immersed in tin can be a filter or other chips.

[0068] The feeding device 4 is located on the frame. The feeding device takes out the feeding rack one by one from the stacking device and pushes out the products to be dipped in tin on the feeding rack.

[0069] The scraping device 5 is mounted on the frame. The scraping device receives the products to be dipped in tin pushed out by the feeding device and scrapes the products to be dipped in tin.

[0070] The flux container 6 is located on the frame and is used to hold flux.

[0071] The tin-immersion device 7 is mounted on the frame and is used to hold molten tin.

[0072] A water-absorbing device 8 is mounted on the frame. The water-absorbing device is used to hold water.

[0073] A robotic arm 9 is mounted on the frame. The robotic arm picks up the product to be immersed in tin after scraping material from the scraping device, places it into the flux device to dip it in flux, then sends the flux-dipped product into the tin-immersion device for tin-immersion, and finally sends the tin-immersion product into the water-soaking device. The robotic arm can be an existing robotic arm.

[0074] In use, manual operation is all that is required: stacking the racks containing products to be tinned on the tray stacking device; removing the racks one by one from the tray stacking device via the feeding device; pushing the products to be tinned from the racks to the scraping device for scraping; then, a robotic arm grabbing the scraped products from the scraping device and placing them into the flux device to dip in flux; then, sending the flux-dipped products into the tinning device for tinning; and finally, sending the tinned products into the water soaking device. This completes the tinning process automatically, resulting in a high degree of automation, saving time and labor, and achieving high tinning efficiency.

[0075] In this specific embodiment, the stacking device 2 includes a stacking frame 21 and a feeding device 22. Wherein:

[0076] A stacking frame 21 is mounted on the machine frame; the feeding racks are stacked vertically within the stacking frame. The stacking frame 21 includes a front frame plate 211 and a rear frame plate 212 directly opposite the front frame plate. The front and rear frame plates are fixed to the machine frame. A discharge port 213 is provided on the right side of the stacking frame between the front and rear frame plates. Adjustment ports 214 are provided on the front and rear frame plates.

[0077] A feeding device 22 is mounted on the stacking frame, and can release the feeding racks from the stacking frame one by one. The feeding device 22 includes a pallet frame 221, a pallet frame drive mechanism 222, a pallet 223, and a pallet drive mechanism 224. Wherein:

[0078] The tray frame 221 includes two tray frames, which are respectively located on the outer sides of the front frame and the rear frame.

[0079] The pallet frame drive mechanism 222 includes two mechanisms, which are respectively connected to the two pallet frames and drive the corresponding pallet frames to move up and down.

[0080] The pallet 223 includes two pallets, which are respectively disposed on the pallet frame. The pallets are inserted into the adjustment port and support the feeding frame from below.

[0081] The pallet drive mechanism 224 includes two mechanisms. These two mechanisms drive the pallet to move closer together into the adjustment port to support the feeding rack, and to move further apart to release the feeding rack. Both the pallet drive mechanism and the pallet frame drive mechanism can be implemented using a motor drive mechanism or a cylinder drive mechanism.

[0082] The feeding device 4 includes a feeding platform 41, a feeding platform drive mechanism 42, and a pushing device 43. Wherein:

[0083] The loading platform 41 is located at the loading station on the right side of the discharge port. The loading platform is mainly used to receive the feeding rack.

[0084] The loading platform drive mechanism 42 is mounted on the frame and can drive the loading platform to move between the loading station and directly below the stacking frame. The loading platform drive mechanism drives the loading platform from the right side of the discharge port to the left side, directly below the stacking frame, carrying the unloading rack released by the pallet drive mechanism, and then drives the loading platform from the discharge port to the right side of the discharge port. In this specific embodiment, the loading platform drive mechanism is implemented using a motor drive mechanism composed of a motor 421, a belt 422, and a guide rail 423.

[0085] The pushing device 43 is located at the feeding station and pushes the products to be dipped in tin on the feeding grid of the feeding station grid one by one to the scraping device to complete the scraping.

[0086] The stacked feeding racks are supported from below by pallets. When feeding is required, the feeding platform drive mechanism first moves the feeding platform to directly below the stacked frame. Then, the pallet frame drive mechanism moves the pallet frame downward to place the feeding rack on the feeding platform. Next, the pallet drive mechanism moves the pallets away from each other to release the bottom feeding rack. The pallet frame drive mechanism then moves the pallet frame upward by the thickness of one feeding rack. Then, the pallet drive mechanism moves the pallets closer together, with the two pallets supporting the feeding rack above the bottom layer. The pallet frame drive mechanism then moves the pallet frame upward to remove the feeding racks other than the bottom layer from the support of the feeding platform. The feeding platform drive mechanism then moves the feeding platform from the discharge port to the feeding station on the right side of the discharge port. Finally, the pushing device pushes the products to be dipped in tin on the feeding grids at the feeding station grid by grid to the scraping device to complete the scraping.

[0087] In this specific embodiment, the scraping device 5 includes a scraping seat 51, a clamping block 52, and a clamping block driving mechanism 53. Wherein:

[0088] The scraper seat 51 is fixed on the frame; the upper surface of the scraper seat 51 is provided with a recessed scraper groove 511 arranged in the front-to-back direction; the loading platform driving mechanism drives the feeding grid of the feeding rack to be arranged opposite to the scraper groove one by one, so as to push the product on the feeding rack into the scraper groove one by one.

[0089] Two clamping blocks 52 are arranged opposite each other on the left and right sides of the scraping groove; each clamping block 52 includes a scraping plate 521 arranged above the scraping seat; the two scraping plates are symmetrically arranged opposite each other on the left and right sides of the scraping groove.

[0090] A clamping block drive mechanism 53 is mounted on the scraper seat. The clamping block drive mechanism is connected to the clamping block and drives the clamping block to move relatively closer and relatively further apart. The clamping block drive mechanism can also be implemented using an electric drive mechanism or a cylinder drive mechanism.

[0091] The pushing device 43 includes a pushing seat 431, a positioning frame drive mechanism 432, a positioning frame 433, a pushing drive mechanism 434, and a pushing rod 435. Wherein:

[0092] The pusher seat 431 is fixed to the frame.

[0093] The positioning frame drive mechanism 432 is located on the pusher seat.

[0094] The positioning frame 433 is located directly behind the scraper groove and above the loading platform. The positioning frame is connected to the positioning frame drive mechanism and moves up and down under the drive of the positioning frame drive mechanism. The lower end surface of the positioning frame 433 is provided with a positioning groove 4331 arranged in the front-to-back direction. The upper end surface of the positioning frame 433 is provided with a pushing groove 4332 arranged in the front-to-back direction and communicating with the positioning groove.

[0095] The material pusher drive mechanism 434 is located on the material pusher seat.

[0096] The push rod 435 is located directly above the push groove and can be inserted into the push groove. The push rod is connected to the push drive mechanism and can move back and forth and up and down under the drive of the push drive mechanism. In this specific embodiment, the push drive mechanism includes an up-and-down push drive mechanism 4341 and a back-and-forth push drive mechanism 4342. The push rod is connected to the up-and-down push drive mechanism.

[0097] The positioning frame is mainly used to position the products on the feeding rack during the feeding process, preventing damage to the products to be dipped in solder. In use, the positioning frame drive mechanism first moves the positioning frame downwards, positioning the slot onto the product to be dipped in solder in one of the feeding racks. Then, the feeding drive mechanism moves the feeding rod backwards to the rear of the feeding rack. Next, the feeding drive mechanism moves the feeding rod downwards, inserting it into the feeding slot. Finally, the feeding drive mechanism moves the feeding rod forward to push the product to be dipped in solder into the scraping slot to complete the scraping process.

[0098] In this specific embodiment, to adjust the height of the loading platform and enhance adaptability, the loading platform 41 includes a loading base plate 411, a loading top plate 412, and a loading top plate driving mechanism 413. Wherein:

[0099] The loading base plate 411 is connected to the loading platform drive mechanism and moves in the left and right directions under the drive of the loading platform drive mechanism.

[0100] The top plate 412 is located above the bottom plate.

[0101] The feeding top plate drive mechanism 413 is connected to the feeding bottom plate and the feeding top plate and drives the feeding top plate to move up and down. The unloading rack is placed on the feeding top plate, so the height of the feeding top plate can be adjusted by the feeding top plate drive mechanism.

[0102] In this specific embodiment, the feeding device 4 further includes a front baffle 44, a top frame block 45, and a top frame block driving mechanism 46.

[0103] in:

[0104] A front baffle 44 is fixed to the frame; a feed groove 441 communicating with the scraper groove is provided on the front baffle at a position directly opposite to the scraper groove. The feed groove is provided to avoid obstructing the pusher. In this specific embodiment, the pusher seat 431 has a connecting seat 4311 located between the front baffle and the scraper seat, and the connecting seat 4311 is provided with a communicating groove 4312 connecting the scraper groove and the feed groove. The product 10 to be immersed in tin enters the scraper groove through the feed groove and the communicating groove.

[0105] The top frame block 45 is located on the rear side of the feeding top plate.

[0106] The top frame block drive mechanism 46 is mounted on the frame, and the top frame block drive mechanism is connected to the top frame block and drives the top frame block to move back and forth.

[0107] The front baffle mainly serves to position the material in the front and back directions. The top frame block drive mechanism drives the top frame block to move forward, pushing the material feeding rack onto the front baffle to achieve the positioning of the material feeding rack in the front and back directions.

[0108] In this specific embodiment, the feeding grid 31 includes a feeding cavity 311 that penetrates the feeding rack in a front-to-back direction and a support platform 312 located in the middle of the feeding cavity and protruding upwards. This allows the middle part of the chip to be supported on the support platform, with the chip's pins located in the feeding cavities on both sides of the support platform, thus avoiding direct force on the chip's pins. The robotic arm 9 includes two opposing gripping blocks 91 and a gripping block driving mechanism 92 that drives the gripping blocks to move closer and further apart. The gripping blocks are driven by the gripping block driving mechanism to grasp the product.

[0109] In this specific embodiment, the tin-dipping device 7 includes a tin-dipping base 71, a tin scraper 72, and a tin scraper driving mechanism 73.

[0110] in:

[0111] The tin-dipping stand 71 is fixed to the frame; the upper surface of the tin-dipping stand 71 is provided with a recessed tin-dipping tank 711.

[0112] The tin scraper 72 is positioned above the tin-dipping bath.

[0113] The solder scraper drive mechanism 73 is mounted on the frame and can drive the solder scraper to move up and down and left and right. The solder scraper drive mechanism can also be implemented using a motor drive mechanism or a cylinder drive mechanism. The solder scraper drive mechanism consists of an up-and-down drive mechanism and a left-and-right drive mechanism. Driven by the solder scraper drive mechanism, the solder scraper can scrape off the uppermost layer of oxidized solder in the solder bath.

[0114] This utility model comprises a stacking device, a feeding rack, a feeding device, a scraping device, a flux device, a tinning device, a water soaking device, and a robotic arm. The feeding rack has multiple rows of feeding slots arranged in a front-to-back direction, and the products to be tinned are placed on the feeding slots. The feeding racks are stacked vertically on the stacking device. The feeding device removes the feeding racks one by one from the stacking device and pushes out the products to be tinned from the feeding racks. The scraping device receives the products to be tinned from the feeding device and scrapes them. The robotic arm picks up the products to be tinned from the scraping device, places them into the flux device to dip them in flux, then sends the flux-dipped products into the tinning device for tinning, and finally sends the tinned products into the water soaking device. Therefore, during use, only manual labor is required to stack the racks containing products to be immersed in tin on the stacking device. The feeding device then removes the racks one by one from the stacking device and pushes the products to be immersed in tin onto the racks to the scraping device for scraping. Then, the robotic arm grabs the scraped products from the scraping device and places them into the flux device to dip in flux. The flux-dipped products are then sent into the tinning device for tinning. Finally, the tinned products are sent into the soaking device, which automatically completes the tinning process. This method is highly automated, saves time and labor, and has high tinning efficiency.

[0115] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automatic tin-dipping machine, comprising a frame, characterized in that: The automatic tin-dipping machine also includes: A stacking device, which is mounted on the frame; The feeding rack has multiple rows of feeding grids arranged in a front-to-back direction, and the products to be dipped in tin are placed on the feeding grids; the feeding rack is stacked vertically on the stacking tray device; A feeding device is mounted on the frame. The feeding device takes out the feeding racks one by one from the stacking device and pushes out the products to be dipped in tin from the feeding racks. A scraping device is provided on the frame. The scraping device receives the product to be dipped in tin pushed out by the feeding device and scrapes the product to be dipped in tin. A flux holder, which is mounted on the frame and is used to hold flux; A tin-immersion apparatus, which is mounted on the frame and used to hold molten tin; A water soaking device is mounted on the frame; A robotic arm, mounted on the frame, picks up the product to be tinned after scraping material from the scraping device, places it into the flux device to dip it in flux, then sends the flux-dipped product into the tinning device for tinning, and finally sends the tinned product into the water soaking device.

2. The automatic tin-dipping machine according to claim 1, characterized in that: The stacking device includes: A stacking frame is provided on the machine frame; the feeding rack is stacked vertically within the stacking frame; A feeding device is provided on the stacking frame, which can release the feeding racks in the stacking frame one by one from the stacking frame.

3. The automatic tin-dipping machine according to claim 2, characterized in that: The stacking frame includes a front frame plate and a rear frame plate directly opposite the front frame plate. The front frame plate and the rear frame plate are fixed on the frame. The stacking frame has a discharge port on the right side between the front frame plate and the rear frame plate. The front frame plate and the rear frame plate have adjustment ports. The feeding device includes: The pallet frame includes two pallet frames, which are respectively disposed on the outer sides of the front frame and the rear frame; The pallet frame drive mechanism includes two pallet frame drive mechanisms, which are respectively connected to two pallet frames and drive the corresponding pallet frames to move up and down. The pallet includes two pallets, which are respectively disposed on the pallet frame. The pallets are inserted into the adjustment port and support the feeding frame from below. The pallet drive mechanism comprises two pallet drive mechanisms, which drive the pallet to be inserted relatively close to the adjustment port to support the feeding rack and to be released relatively far away from the feeding rack.

4. The automatic tin-dipping machine according to claim 3, characterized in that: The feeding device includes: A loading platform, which is located at the loading station on the right side of the discharge port; A loading platform drive mechanism is mounted on the frame and can drive the loading platform to move between the loading station and directly below the stacking frame. The loading platform drive mechanism drives the loading platform to move from the right side of the discharge port to the left side to directly below the stacking frame, carrying the unloading rack released by the pallet drive mechanism, and then drives the loading platform to move from the discharge port to the right side of the discharge port. A pushing device is located at the feeding station and pushes the products to be dipped in tin on the feeding grid of the feeding station grid one by one to the scraping device to complete the scraping.

5. The automatic tin-dipping machine according to claim 4, characterized in that: The scraping device includes: A scraper seat is fixed to the frame; the upper surface of the scraper seat is provided with a recessed scraper groove arranged in the front-to-back direction; the loading platform driving mechanism drives the feeding grid of the feeding rack to be arranged opposite to the scraper groove in turn. The feeding device includes: A pusher seat, which is fixed to the frame; A positioning frame drive mechanism is provided on the pusher seat; A positioning frame is located directly behind the scraping groove and above the loading platform. The positioning frame is connected to the positioning frame drive mechanism and moves up and down under the drive of the positioning frame drive mechanism. A positioning groove is provided on the lower end surface of the positioning frame in the front-to-back direction. A pushing groove is provided on the upper end surface of the positioning frame in the front-to-back direction and communicates with the positioning groove. A material pushing drive mechanism is provided on the material pushing base; A push rod is located directly above the push groove and can be inserted into the push groove. The push rod is connected to the push drive mechanism and can move back and forth and up and down under the drive of the push drive mechanism.

6. The automatic tin-dipping machine according to claim 5, characterized in that: The loading platform includes: The loading base plate is connected to the loading platform drive mechanism and moves left and right under the drive of the loading platform drive mechanism. A top feeding plate is located above the bottom feeding plate; The feeding top plate drive mechanism is connected to the feeding bottom plate and the feeding top plate and drives the feeding top plate to move up and down.

7. The automatic tin-dipping machine according to claim 6, characterized in that: The feeding device further includes: A front baffle is fixed to the frame; a material passage groove communicating with the scraper groove is provided on the front baffle at a position directly opposite to the scraper groove; Top frame block, which is located on the rear side of the top loading plate; A top frame block drive mechanism is mounted on the frame. The top frame block drive mechanism is connected to the top frame block and drives the top frame block to move back and forth.

8. The automatic tin-dipping machine according to claim 5, characterized in that: The scraping device further includes: The clamping blocks include two, which are arranged opposite each other on the left and right sides of the scraping groove; the clamping blocks include scraping plates arranged above the scraping seat; the two scraping plates are symmetrically arranged opposite each other on the left and right sides of the scraping groove. A clamping block driving mechanism is provided on the scraper seat. The clamping block driving mechanism is connected to the clamping block and drives the clamping block to move relatively closer and relatively farther away.

9. The automatic tin-dipping machine according to claim 5, characterized in that: The feeding grid includes a feeding cavity that penetrates the feeding frame in the front-to-back direction and a support platform located in the middle of the feeding cavity and protruding upwards; the robotic arm includes two gripping blocks arranged opposite each other and a gripping block driving mechanism that drives the gripping blocks to move closer and further apart.

10. The automatic tin-dipping machine according to claim 1, characterized in that: The tin-immersion apparatus includes: A soldering stand is fixed to the frame; the upper surface of the soldering stand is provided with a recessed soldering tank. A solder scraper is positioned above the solder immersion bath; A tin scraper drive mechanism is mounted on the frame and can drive the tin scraper to move up and down and left and right.

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