Plastic product weight detection device

Abstract

The invention relates to the technical field of plastic product production detection, in particular to a plastic product weight detection device. Comprising a detection frame, a detection chamber is formed in the middle-upper part of the detection frame, and a layering mechanism and a detection mechanism for detecting the quality of plastic products are arranged at the top of the inner wall of the detection chamber; the layering mechanism comprises two oppositely arranged layering frames at the top of the detection chamber, and a plurality of plastic bowls which are nested and stacked are arranged between the two oppositely arranged layering frames; a driving mechanism is arranged on the upper portion of the outer wall of the detection frame, the driving mechanism comprises a release plate movably arranged with the layering frame, and the release plate slides in the height direction so as to release the multiple plastic bowls which are nested and stacked one by one. And the plurality of split plastic bowls are released and weighed one by one through the driving mechanism, manual repeated placement operation is not needed, the efficiency of detecting the quality of the plastic bowls is improved, and the accuracy of detecting the quality of the plastic bowls is improved.

Description

Technical Field

[0001] This invention relates to the field of plastic product manufacturing and testing technology, specifically to a plastic product weight detection device. Background Technology

[0002] Plastic products are a general term for various products made from synthetic resin (the main component of plastic) as a base, with the addition of various additives (such as plasticizers, stabilizers, lubricants, colorants, etc.), and processed through heating, plasticizing, molding and other processes. In order to ensure the stable performance, safety and compliance of plastic products, prevent defective products from entering the market, reduce rework costs and enhance market competitiveness, it is necessary to conduct quality testing on plastic products to ensure that they meet the requirements of production specifications.

[0003] Plastic bowls are a common form of plastic product, often used for temporary food storage in daily life. Multiple plastic bowls are usually stacked nested together to reduce storage space. The bowls typically have an outward-protruding rim. Traditional quality inspection devices require staff to place the plastic products inside the testing equipment. When inspecting disposable plastic bowls, boxes, and other stackable plastic products, several groups of products are often piled together, requiring staff to place each group individually. This is time-consuming and labor-intensive. Furthermore, the staff's work is relatively repetitive, making it easy for multiple plastic products to be placed in the testing facility simultaneously, leading to abnormal test results and reducing the pass rate.

[0004] Therefore, we propose a weight detection device for plastic products to address this deficiency in existing technology. Summary of the Invention

[0005] To achieve the above objectives, the present invention provides the following technical solution: a plastic product weight detection device, including a detection frame, a detection chamber formed in the upper part of the detection frame, a layering mechanism provided on the top of the inner wall of the detection chamber, and a detection mechanism for detecting the quality of plastic products provided on the top of the inner wall of the detection chamber; The tiered mechanism includes two opposing tiered shelves at the top of the testing chamber, with multiple nested and stacked plastic bowls between the two opposing tiered shelves; The upper part of the outer wall of the testing rack is equipped with a driving mechanism, which includes a release plate that is movably arranged with the layer rack. The release plate slides along the height direction to release multiple nested and stacked plastic bowls one by one.

[0006] Furthermore, the layered rack includes a mounting block located in the testing chamber. The bottom of the outer wall of the mounting block is provided with a layered plate extending along the depth direction. A layered groove is opened through the middle of the outer wall of the layered plate. Multiple mounting holes are equidistantly opened on both sides of the layered groove on the outer wall of the layered plate. Layered components for supporting the rim of the plastic bowl are detachably installed in the mounting holes.

[0007] Furthermore, the layered component includes a positioning component that is slidably disposed in the layered groove. The positioning component has a first mounting part on both sides that is fixed to the mounting hole bolt. The positioning component has an insertion groove in the middle of its outer wall that communicates with the layered groove. A layered block is slidably disposed in the insertion groove. The layered block is located at the opposite end of the positioning component to form a layered part that contacts the rim of the plastic bowl.

[0008] Furthermore, a first guide post is formed at the upper and lower ends of the outer wall of the layered plate near the mounting hole. A second mounting part is provided on both sides of the outer wall of the layered block for sliding on the outer wall of the first guide post. A spring is sleeved on the outer wall of the first guide post, and the spring is used to push the second mounting part to move towards the layered plate. A positioning bolt is provided at one end of the spring on the outer wall of the first guide post.

[0009] Furthermore, the driving mechanism includes a first lifting screw that is rotatably mounted on the top of the testing frame and extends into the testing chamber. A lifting ring is bolted to the outer wall of the first lifting screw. An extension plate for connecting to the bottom of the outer wall of the release plate is provided on one side of the outer wall of the lifting ring. A tensile plate is provided between the extension plate and the release plate. A triangular guide groove is provided through the top of the outer wall of the layered block along the height direction. The cross-section of the triangular guide groove is a right trapezoid. The top of the triangular guide groove forms a through part for the extension plate to slide through.

[0010] Furthermore, a first gear is provided at the top of the first lifting screw, a transmission gear chain is threaded on the outer wall of the first gear, a second gear is provided on the inner wall of the transmission gear chain on the other side of the first gear, and a drive motor is provided at the upper end of the outer wall of the second gear.

[0011] Furthermore, the testing mechanism includes a fixed frame located at the bottom of the plastic bowl on the inner wall of the testing chamber. The fixed frame forms a first chamber and a second chamber along the height direction. A lifting base slides along the height direction on the inner wall of the second chamber. A weighing component is provided on the top of the outer wall of the lifting base. The inner wall of the lifting base has a third cavity. A second lifting screw is rotatably provided in both the first chamber and the second chamber, and the third cavity is threadedly connected to the second lifting screw.

[0012] Furthermore, the drive motor has a transmission rod at its drive end, a first transmission disc at the bottom of the outer wall of the transmission rod, a second transmission disc at the bottom of the outer wall of the second lifting screw, and a transmission belt between the first and second transmission discs.

[0013] Furthermore, the weighing component includes a weighing base located on the top of the outer wall of the lifting base. The upper end of the outer wall of the weighing base has a placement surface for placing a plastic bowl. A cylinder is provided on the upper part of the side wall of the lifting base, and a cleaning plate for pushing the material out of the placement surface is provided at the cylinder drive end.

[0014] Furthermore, a collection box is provided at the bottom of the testing chamber on one side of the weighing base. A first telescopic plate is rotatably provided on the side of the weighing base near the collection box, and a second telescopic plate is rotatably provided at the opening of the collection box. A telescopic part for sliding the first telescopic plate is provided on one side of the second telescopic plate.

[0015] Beneficial effects: Compared with the prior art, the present invention provides a plastic product weight detection device, which has the following beneficial effects: 1. When a single plastic bowl is released from its limit, it will fall onto the testing mechanism for quality inspection. Compared with the prior art, this application uses a layered rack to quickly separate multiple plastic bowls and uses a drive mechanism to release and weigh the separated plastic bowls one by one. This eliminates the need for manual repetition of placement operations, thus speeding up the efficiency of plastic bowl quality inspection and improving the accuracy of plastic bowl quality inspection.

[0016] 2. The first and second lifting screws share the same drive motor as the power source. When weighing each plastic bowl, the weighing component will be adjusted synchronously, thereby further improving the coordination between the layering mechanism and the detection mechanism. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of a plastic product weight detection device proposed in this invention; Figure 2 This is a schematic side sectional view of the overall plastic product weight detection device proposed in this invention; Figure 3 This is a schematic diagram of the layered rack and plastic bowl positions of a plastic product weight detection device proposed in this invention; Figure 4 This is a side sectional view of the fixing frame of a plastic product weight detection device proposed in this invention; Figure 5 This is a schematic diagram showing the positions of the first lifting screw, extension plate, and release plate of a plastic product weight detection device proposed in this invention. Figure 6 This is a side sectional view of a layered block in a plastic product weight detection device proposed in this invention. Figure 7 This is a schematic diagram showing the disassembly of the layered components of a plastic product weight detection device proposed in this invention; Figure 8 This is a schematic diagram of a layered plate for a plastic product weight detection device proposed in this invention; Figure 9 This is a schematic diagram of the first and second telescopic plates of a plastic product weight detection device proposed in this invention.

[0018] In the diagram: 100, testing frame; 110, testing chamber; 200, layering mechanism; 210, layering frame; 211, mounting block; 212, layering plate; 213, layering groove; 214, mounting hole; 215, first guide post; 220, layering component; 221, positioning component; 222, first mounting part; 223, insertion groove; 224, layering block; 225, layering part; 226, second mounting part; 230, spring; 240, positioning bolt; 270, triangular guide groove; 280, through part; 300, testing mechanism; 310, fixing frame; 311, first chamber; 312, second chamber; 320, lifting base; 321, third... Cavity; 330, Weighing component; 331, Weighing base; 332, Placement surface; 333, First telescopic plate; 340, Second lifting screw; 341, Second transmission disc; 350, Cylinder; 351, Cleaning plate; 410, Plastic bowl; 500, Drive mechanism; 510, Release plate; 520, First lifting screw; 521, First gear; 530, Lifting ring; 540, Extension plate; 550, Tensile plate; 556, Transmission chain; 570, Drive motor; 571, Second gear; 572, Transmission rod; 573, First transmission disc; 580, Transmission belt; 610, Collection box; 620, Second telescopic plate; 630, Telescopic part. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Please see Figures 1 to 5 A weight detection device for plastic products includes a detection frame 100, a detection chamber 110 formed in the upper part of the detection frame 100, a layering mechanism 200 provided on the top of the inner wall of the detection chamber 110, and a detection mechanism 300 for detecting the quality of plastic products provided on the top of the inner wall of the detection chamber 110. The layering mechanism 200 includes two opposing layering shelves 210 on the top of the detection chamber 110, with a plurality of nested and stacked plastic bowls 410 between the two opposing layering shelves 210; The upper part of the outer wall of the testing rack 100 is provided with a driving mechanism 500. The driving mechanism 500 includes a release plate 510 that is movably disposed with the layer rack 210. The release plate 510 slides along the height direction to release multiple nested and stacked plastic bowls 410 one by one.

[0021] When this application requires quality inspection of multiple nested and stacked plastic bowls 410, the operator first places the multiple plastic bowls 410 into the layering mechanism 200. Since some plastic bowls 410 are typically designed to be wider at the top and narrower at the bottom, a small gap is left between the rims of the bowls when they are stacked. Through this gap, the plastic bowls 410 are placed on top of the positioning members 221 within the layering rack 210. The drive mechanism 500 is then activated, causing the release plate 510 to move upwards, thereby placing the positioning members 221 into the upper part of the layering rack. The component 221 slides outward, thereby releasing the limit on the edge of the plastic bowl 410 one by one. When a single plastic bowl 410 is released from the limit, it will fall onto the detection mechanism 300 for quality inspection. Compared with the prior art, this application uses the layered rack 210 to quickly separate multiple plastic bowls 410, and uses the drive mechanism 500 to release and weigh the separated multiple plastic bowls 410 one by one. There is no need for manual repeated placement operations, which speeds up the efficiency of quality inspection of plastic bowls 410 and improves the accuracy of quality inspection of plastic bowls 410.

[0022] Please see Figures 3 to 9 The layered rack 210 includes a mounting block 211 disposed in the testing chamber 110. The bottom of the outer wall of the mounting block 211 is provided with a layered plate 212 extending along the depth direction. A layered groove 213 is formed through the middle of the outer wall of the layered plate 212. Multiple mounting holes 214 are equidistantly formed on both sides of the layered groove 213 on the outer wall of the layered plate 212. A layered component 220 for supporting the rim of the plastic bowl 410 is detachably disposed within each mounting hole 214. The layered component 220 includes a positioning component 221 slidably disposed within the layered groove 213. The positioning component 221 has first mounting portions 222 on both sides that are bolted to the mounting holes 214. A mounting portion 222 is formed in the middle of the outer wall of the positioning component 221 that is connected to the layered groove. The insertion slot 223 is connected to 213. A layered block 224 is slidably provided in the insertion slot 223. The layered block 224 is located at the opposite end of the positioning member 221 and forms a layered part 225 that contacts the edge of the plastic bowl 410. A first guide post 215 is formed at the upper and lower ends of the outer wall of the layered plate 212 near the mounting hole 214. A second mounting part 226 for sliding on the outer wall of the first guide post 215 is provided on both sides of the outer wall of the layered block 224. A spring 230 is sleeved on the outer wall of the first guide post 215. The spring 230 is used to push the second mounting part 226 to move towards the layered plate 212. A positioning bolt 240 is provided at one end of the spring 230 on the outer wall of the first guide post 215.

[0023] In the above-described process, two mounting blocks 211 are installed opposite each other on the top sides of the testing chamber 110. The operator places the layering component 220 into the layering groove 213 and adjusts the spacing between multiple layering components 220 according to the distance between the rims of the plastic bowls 410 to accommodate different types of plastic bowls 410 and improve the applicability of the device. When installing the layering component 220, the operator first inserts the positioning component 221 into the layering groove 213 to adjust its position. After adjusting to the appropriate position, the first mounting part 222 is connected to the mounting hole 214 using bolts. After limiting and fixing, the layered block 224 is inserted into the insertion slot 223, so that the layered part 225 extends out, thereby supporting the rim of the plastic bowl 410 and limiting the position of a single plastic bowl 410; at the same time, the second mounting part 226 slides into the outer wall of the first guide post 215, and the spring 230 is sleeved on the outside of the spring 230. The spring 230 is limited by the positioning bolt 240, so that the spring 230 pushes the second mounting part 226 to move towards the layered plate 212, improving the stability of the layered part 225 in limiting the position of the plastic bowl 410.

[0024] Please see Figures 3 to 8 The drive mechanism 500 includes a first lifting screw 520 rotatably mounted on the top of the detection frame 100 and extending into the detection chamber 110. A lifting ring 530 is bolted to the outer wall of the first lifting screw 520. An extension plate 540 for connecting to the bottom of the outer wall of the release plate 510 is provided on one side of the outer wall of the lifting ring 530. A tensile plate 550 is provided between the extension plate 540 and the release plate 510. A triangular guide groove 270 is provided through the top of the outer wall of the layered block 224 along the height direction. The cross-section of the triangular guide groove 270 is a right trapezoid. A through part 280 is formed at the top of the triangular guide groove 270 for the extension plate 540 to slide through. A first gear 521 is provided at the top of the first lifting screw 521. A transmission gear chain 556 is threaded on the outer wall of the first gear 521. A second gear 571 is provided on the inner wall of the transmission gear chain 556 on the other side of the first gear 521. A drive motor 570 is provided at the upper end of the outer wall of the second gear 571.

[0025] In the above description, the first lifting screw 520 rotates, causing the lifting ring 530 to move up and down. This, in turn, causes the release plate 510 to move up and down via the extension plate 540. It is worth noting that when the lifting ring 530 is at the bottom of the first lifting screw 520, the top of the release plate 510 is located within the triangular guide groove 270, ensuring that the release plate 510 does not rotate with the first lifting screw 520. The release plate 510 moves upward a certain distance, pressing against the bottom triangular guide groove 270, causing the layered block 224 to be positioned in the opposite direction to the plastic bowl 410, thereby eliminating the support of the layered part 225 to the plastic bowl 410. The system holds the plastic bowl 410 in place, allowing for the gradual release of each individual bowl. Once the released bowl 410 has been weighed, the first lifting screw 520 is rotated again, causing the release plate 510 to move a short distance and press against the second triangular guide groove 270 to release the bowls. This process is repeated to release multiple bowls 410 one by one. Simultaneously, when the first lifting screw 520 needs to rotate, the drive motor 570 is activated. The drive motor 570 drives the second gear 571 to rotate, which in turn drives the first gear 521 via the transmission chain 556, thus rotating the first lifting screw 520.

[0026] Please see Figures 2 to 8 The testing mechanism 300 includes a fixed frame 310 located on the inner wall of the testing chamber 110 at the bottom of the plastic bowl 410. The fixed frame 310 forms a first chamber 311 and a second chamber 312 along the height direction. A lifting base 320 slides along the height direction on the inner wall of the second chamber 312. A weighing element 330 is provided on the top of the outer wall of the lifting base 320. The inner wall of the lifting base 320 has a third cavity 321. A second lifting screw 340 is rotatably provided inside the first chamber 311 and the second chamber 312, and the third cavity 321 is threadedly connected to the second lifting screw 340. The drive end of the drive motor 570 is provided with a transmission rod 572. A first transmission disc 573 is provided on the bottom of the outer wall of the transmission rod 572. A second transmission disc 341 is provided on the bottom of the outer wall of the second lifting screw 340. A transmission belt 580 is provided between the first transmission disc 573 and the second transmission disc 341.

[0027] In the above description, rotating the second lifting screw 340 causes the lifting base 320 in the second chamber 312 to rise, thereby changing the position of the weighing component 330. This ensures that the weighing component 330 and the plastic bowl 410 maintain the same distance, preventing the plastic bowl 410 from being too high and affecting the stability of the falling weighing, and further improving the weighing accuracy of the device. When the drive motor 570 drives the second gear 571 to rotate, the transmission rod 572 also drives the first transmission disc 573 to rotate. Then, through the transmission belt 580, the second transmission disc 341 rotates synchronously, providing a power source for the weighing component 330 to rise. It is worth mentioning that since the first lifting screw 520 and the second lifting screw 340 share the same power source, the weighing component 330 will be synchronously adjusted each time a plastic bowl 410 is weighed, thereby further improving the coordination between the layering mechanism 200 and the detection mechanism 300.

[0028] Please see Figures 4 to 9 The weighing component 330 includes a weighing base 331 located on the top of the outer wall of the lifting base 320. The upper end of the outer wall of the weighing base 331 has a placement surface 332 for placing a plastic bowl 410. A cylinder 350 is provided on the upper part of the side wall of the lifting base 320. The driving end of the cylinder 350 is provided with a cleaning plate 351 for pushing out the material on the surface of the placement surface 332. A collection box 610 is provided at the bottom of the detection chamber 110 on one side of the weighing base 331. A first telescopic plate 333 is rotatably provided on the side of the weighing base 331 near the collection box 610. A second telescopic plate 620 is rotatably provided at the opening of the collection box 610. A telescopic part 630 for sliding the first telescopic plate 333 is provided on one side of the second telescopic plate 620.

[0029] In the above process, after the plastic bowl 410 falls onto the placement surface 332, the weighing base 331 will detect its mass. After the detection is completed, the weighing base 331 will send an electrical signal to the cylinder 350 through the control panel. The cylinder 350 will push the plastic bowl 410 out. After pushing out, the control panel will send an electrical signal to the drive motor 570, causing the drive motor 570 to rotate and release the next plastic bowl 410. After release, the rotation stops, and the weighing component 330 will weigh it again. This cycle repeats to achieve automatic collection and weighing. At the same time, the collection box 610 will collect the plastic bowls 410 pushed out by the cylinder 350, and the first telescopic plate 333 and the second telescopic plate 620 will guide the plastic bowl 410 so that it can fall into the collection box 610. Through the telescopic part 630, the length between the first telescopic plate 333 and the second telescopic plate 620 can be changed, so as not to affect the normal lifting and lowering of the weighing component 330.

[0030] Working principle and usage steps: First, place multiple plastic bowls 410 into the layering mechanism 200, insert the layering block 224 into the insertion slot 223, so that the layering part 225 protrudes, thereby supporting the rim of the plastic bowls 410 and limiting the position of each individual plastic bowl 410. Start the drive motor 570, which drives the second gear 571 to rotate. Simultaneously, the transmission rod 572 drives the first transmission disc 573 to rotate. The transmission belt 580 then causes the second transmission disc 341 to rotate synchronously, providing power for the weighing component 330 to rise. The first lifting screw 520 rotates, causing the lifting ring 530 to move up and down. Through the extension plate 540, the release plate 510 moves up and down. The release plate 510 moves upward a certain distance, pressing against the bottom triangular guide groove 270, causing the layering block 224 to be limited in the opposite direction to the plastic bowl 410, thereby canceling the layering. Support for the plastic bowl 410 by 225 enables the gradual release of individual plastic bowls 410. After a single plastic bowl 410 is released, it falls onto the placement surface 332, where the weighing base 331 detects its mass. Once the detection is complete, the weighing base 331 sends an electrical signal to the cylinder 350 via the control panel. The cylinder 350 pushes the plastic bowl 410 into the collection box 610. After pushing it out, the control panel sends an electrical signal to the drive motor 570, causing the drive motor 570 to rotate and release the next plastic bowl 410. After release, the rotation stops, and the weighing component 330 weighs it again. This cycle repeats to achieve automatic collection and weighing. Once all plastic bowls 410 have been released, the drive motor 570 is activated to flip, causing the release plate 510 and the weighing component 330 to move downwards. The layered block 224 resets under the elastic force of the spring 230, preparing for the next detection.

[0031] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A plastic product weight detection device, comprising a detection frame (100), a detection chamber (110) is formed in the upper part of the detection frame (100), a layered mechanism (200) is arranged on the top inner wall of the detection chamber (110), and a detection mechanism (300) for detecting the mass of the plastic product is arranged on the top inner wall of the detection chamber (110); characterized in that: the layered mechanism (200) comprises two oppositely arranged layered frames (210) on the top of the detection chamber (110), and a plurality of nested and stacked plastic bowls (410) are arranged between the two oppositely arranged layered frames (210); a driving mechanism (500) is arranged on the upper part of the outer wall of the detection frame (100), the driving mechanism (500) comprises a release plate (510) movably arranged on the layered frame (210), and the release plate (510) slides in the height direction to release the nested and stacked plastic bowls (410) one by one; the layered frame (210) comprises a mounting block (211) arranged on the detection chamber (110), a layered plate (212) extending in the depth direction is arranged on the bottom outer wall of the mounting block (211), a layered slot (213) is formed in the middle of the outer wall of the layered plate (212), a plurality of mounting holes (214) are equidistantly arranged on the outer wall of the layered plate (212) on both sides of the layered slot (213), and a layered piece (220) for supporting the bowl rim of the plastic bowl (410) is detachably arranged in the mounting hole (214); the layered piece (220) comprises a positioning piece (221) slidably arranged in the layered slot (213), first mounting portions (222) are arranged on both sides of the positioning piece (221) and are fixed by bolts, a plug-in slot (223) is formed in the middle of the outer wall of the positioning piece (221) and is communicated with the layered slot (213), a layered block (224) is slidably arranged in the plug-in slot (223), and a layered portion (225) in contact with the bowl rim of the plastic bowl (410) is formed on the opposite end of the positioning piece (221).

2. The plastic product weight detection device according to claim 1, characterized in that: first guide columns (215) are formed on the outer wall of the layered plate (212) near the mounting holes (214) on the upper and lower ends, second mounting portions (226) for sliding on the outer wall of the first guide columns (215) are arranged on both sides of the outer wall of the layered block (224), springs (230) are sleeved on the outer wall of the first guide columns (215), the springs (230) are used to push the second mounting portions (226) to move towards the layered plate (212), and positioning bolts (240) are arranged on the outer wall of the first guide columns (215) at one end of the springs (230).

3. The plastic product weight detection device according to claim 1, characterized in that: The driving mechanism (500) comprises a first lifting screw rod (520) rotatably arranged on the top of the detection frame (100) and extending into the detection chamber (110), a lifting ring (530) is bolted to the outer wall of the first lifting screw rod (520), an extension plate (540) is arranged on one side of the outer wall of the lifting ring (530) and is used for being connected with the outer wall of the bottom of the release plate (510), a tensile plate (550) is arranged between the extension plate (540) and the release plate (510), a triangular guide groove (270) is arranged on the top of the outer wall of the layered block (224) and extends along the height direction, the cross section of the triangular guide groove (270) is a right trapezoid, and the top of the triangular guide groove (270) forms a penetrating portion (280) for the extension plate (540) to slide through.

4. The plastic product weight detection device according to claim 3, characterized in that: The top of the first lifting screw rod (520) is provided with a first gear (521), a transmission sprocket chain (556) is threadedly arranged on the outer wall of the first gear (521), a second gear (571) is arranged on the inner wall of the transmission sprocket chain (556) and located on the other side of the first gear (521), and a driving motor (570) is arranged on the outer wall of the second gear (571) and at the upper end.

5. The plastic product weight detection device according to claim 1, characterized in that: The detection mechanism (300) comprises a fixed frame (310) arranged on the inner wall of the detection chamber (110) and located at the bottom of the plastic bowl (410), the fixed frame (310) is formed with a first cavity (311) and a second cavity (312) along the height direction, a lifting base (320) is slidably arranged on the inner wall of the second cavity (312) along the height direction, a weighing element (330) is arranged on the outer wall of the top of the lifting base (320), the inner wall of the lifting base (320) is provided with a third cavity (321), a second lifting screw rod (340) is rotatably arranged in the first cavity (311) and the second cavity (312), and the third cavity (321) is threadedly connected with the second lifting screw rod (340).

6. The plastic product weight detection device according to claim 5, characterized in that: The driving end of the driving motor (570) is provided with a transmission rod (572), the bottom of the outer wall of the transmission rod (572) is provided with a first transmission disc (573), the bottom of the outer wall of the second lifting screw rod (340) is provided with a second transmission disc (341), and the transmission belt (580) is arranged between the first transmission disc (573) and the second transmission disc (341).

7. The plastic article weight detection device according to claim 6, characterized by: The weighing element (330) comprises a weighing base (331) arranged on the outer wall of the top of the lifting base (320), the outer wall of the weighing base (331) is provided with a placing surface (332) for placing the plastic bowl (410), the sidewall of the lifting base (320) is provided with a gas cylinder (350) at the upper portion, and the driving end of the gas cylinder (350) is provided with a cleaning plate (351) for pushing out the material on the surface of the placing surface (332).

8. The plastic product weight detection device according to claim 7, characterized in that: The bottom of the detection chamber (110) is provided with a collecting box (610) on one side of the weighing base (331), the weighing base (331) is rotatably provided with a first telescopic plate (333) on the side close to the collecting box (610), the opening of the collecting box (610) is rotatably provided with a second telescopic plate (620), and the second telescopic plate (620) is provided with a telescopic portion (630) for sliding of the first telescopic plate (333) on one side.

Images