Tool for detecting hardness of injection molded part in refrigerator

Abstract

The invention relates to the technical field of part hardness detection, and discloses an injection molding part hardness detection tool used in a refrigerator, the injection molding part hardness detection tool comprises a workbench, two side surfaces of the workbench are symmetrically and fixedly provided with two supporting legs, and two movable moving plates are arranged above the workbench. According to the injection molding part crushing device, one part of a shell obtained after injection molding part crushing falls off through a discharging groove, the other part of the shell can fall on a first connecting rod, a supporting reinforcing rod and a second connecting column, at the moment, a movable plate drives an extrusion plate to move back, and in the process, the extrusion plate drives the first connecting rod to move; shell bodies after injection molding parts on a first connecting rod, a supporting reinforcing rod and a second connecting column are crushed are thrown down by inertia generated by movement, so that the surfaces of the first connecting rod, the supporting reinforcing rod and the second connecting column are cleaned, and the workbench can be quickly cleaned after the detection work of a single injection molding part is completed; the influence of residual chippings on subsequent detection work of the injection molding machine is avoided, so that the detection efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of parts hardness detection, in particular to a tool for detecting the hardness of injection-molded parts used inside a refrigerator. Background Art

[0002] Refrigerator internal parts are the components that make up the entire refrigerator interior and serve the refrigerator's internal operations. In recent years, the refrigerator internal parts manufacturing industry has also developed rapidly. Most refrigerator internal parts are produced using injection molding. Injection molding is a method of producing industrial products, but after the injection molding is completed, the hardness of the injection molded parts must be tested.

[0003] When monitoring injection molded parts, the existing technology generally uses two parallel clamps to squeeze the two sides of the injection molded parts. It is difficult to clamp some parts with curved surfaces. Secondly, the clamping force is difficult to control. During the clamping process, the parts may be directly flattened or crushed. Secondly, in the extrusion test, some unqualified injection molded parts often break after being squeezed, resulting in some fragments scattered on the table, which require operators to sort out, affecting the detection efficiency. In addition, the surface of the monitoring platform will wear out during long-term use, affecting the flatness and inconvenient maintenance. For this reason, we propose a hardness detection tool for injection molded parts inside refrigerators. Summary of the Invention

[0004] The present invention mainly solves the technical problems existing in the above-mentioned prior art and provides a tool for detecting the hardness of injection-molded parts used in refrigerator interiors.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a tool for testing the hardness of injection molded parts inside a refrigerator, comprising a workbench, two supporting legs symmetrically fixedly installed on both sides of the workbench, two movable movable plates are arranged above the workbench, extrusion plates are slidably installed on the sides of the movable plates, two spring pressure detectors are fixedly installed on one side of the extrusion plates corresponding to the movable plates, one end of the spring pressure detector is fixedly installed on the side of the movable plate away from the extrusion plate, a driving structure for driving the movable plate to move is arranged below the workbench, two first connecting blocks are slidably installed on the side of the extrusion plate, a rotatable rotating block is arranged inside the first connecting block, a pushing plate is fixedly installed on the side of the rotating block, and a lower portion is provided at the center position of the upper side of the workbench. The material trough and the discharge trough are provided with an installation cavity on their sides, and movable holes are equidistantly provided on one side of the discharge trough corresponding to the installation cavity, and a sixth slide groove is provided on the sides of the installation cavity and the discharge trough, and a fourth mounting block is movably installed inside the sixth slide groove, and a sixth slider is provided on the side of the fourth mounting block corresponding to the position of the movable hole, and a detachable support structure is provided inside the sixth slider, and the support structure includes a support reinforcement rod arranged inside the discharge trough, a fourth slide groove is provided on the side of the extrusion plate corresponding to the position of the movable hole, and a fourth slider is slidably installed inside the fourth slide groove, and a first clamping block is fixedly installed on the bottom side of the fourth slider corresponding to the position of the first limit groove, and an angle-adjustable hardness testing machine is provided above the workbench, and a detection probe is fixedly installed on the output end of the hardness testing machine.

[0006] Preferably, the driving structure includes a first mounting block fixedly mounted on the bottom side of the workbench, the first mounting block is a "U"-shaped block, a third mounting block is fixedly mounted on the bottom side of the first mounting block, two third sliders are slidably mounted inside the third mounting block, the end surface of the first mounting block corresponding to the position of the third slider is fixedly mounted with a second mounting block, the output end of the second mounting block is fixedly mounted with a second rotating motor, the output end of the second rotating motor is fixedly mounted with a second screw rod, a second screw hole is opened on the side of the third slider, the second screw rod is threadedly connected to the inside of the second screw hole, the first rotating motor is fixedly mounted on the lower end of the third slider, two second sliding grooves are opened on the upper side of the workbench, the second sliders are fixedly mounted on both sides of the movable plate, the second slider is a "U"-shaped block, the second slider passes through the two second sliding grooves, a first screw hole is opened on the side of the second slider corresponding to the position of the first rotating motor, the output end of the first rotating motor is fixedly mounted with a first rotating screw rod corresponding to the position of the first screw hole, the first rotating screw rod is threadedly connected to the inside of the first screw hole, and a sliding support rod is fixedly mounted on the side wall of the first rotating motor, and the sliding support rod is slidably mounted on the side wall of the second slider away from the first rotating motor.

[0007] Preferably, two first sliding grooves are symmetrically opened on the side of the movable plate, the first sliding grooves are rectangular grooves, and a first slider is fixedly installed on the side of the extrusion plate corresponding to the position of the first sliding groove, and the first slider is slidably installed inside the first sliding groove.

[0008] Preferably, a third slide groove is provided on the side of the extrusion plate, the cross section of the third slide groove is a "T"-shaped groove, a moving block is slidably installed inside the third slide groove, and the side of the moving block is fixedly connected to the side of the first connecting block.

[0009] Preferably, a groove is provided on the upper side of the extrusion plate, which is a rectangular groove. A first threaded hole is provided on the upper side of the moving block at a position corresponding to the groove. The internal thread of the first threaded hole is connected to a first threaded column. The cross-section of the first threaded column is "T"-shaped, and the upper end of the first threaded column extends to the upper side of the extrusion plate.

[0010] Preferably, a second threaded hole is formed on the upper side of the first connecting block, and a second threaded column is connected to the inner thread of the second threaded hole.

[0011] Preferably, the support structure includes a first connecting rod clamped inside the fourth mounting block, one end of the first connecting rod is fixedly installed with the first connecting column, a first limiting groove is opened on the side of the first connecting column, one end of the first connecting column is provided with a pushing structure for squeezing the first connecting column, a second connecting column is slidably installed inside the movable hole, and the support reinforcement rod is detachably arranged between the first connecting rod and the second connecting column. The pushing structure includes a support spring fixedly installed on the first connecting column away from the end of the first connecting rod, the second connecting block is fixedly installed on the end of the support spring away from the first connecting column, and the fifth slider is fixedly installed on the end of the second connecting block away from the support spring, and a fifth sliding groove is opened on the side of the mounting cavity corresponding to the position of the movable hole, and the fifth slider is clamped inside the fifth sliding groove.

[0012] Preferably, a second slot is provided on the side corresponding to each other of the first connecting rod and the second connecting column, and a second clamping block is clamped inside the two second slots. The two second clamping blocks are fixedly installed on the two ends of the supporting reinforcement rod on the side corresponding to each other. A guide hole is provided on the side of the first connecting rod corresponding to the position of the second slot, and a third threaded hole is provided on the side of the second clamping block corresponding to the position of the guide hole. The inner thread of the third threaded hole is connected to the third threaded column, and the third threaded column is arranged during the guide hole.

[0013] Preferably, a support frame is fixedly installed at the upper center position of the workbench, an electric telescopic rod is fixedly installed at the upper end of the support frame, a movable barrel is rotatably installed on the output end of the electric telescopic rod through the wall of the support frame, the side of the movable barrel is threadedly connected with a locking threaded column for constraining the movable barrel to rotate, the hardness testing machine is movably arranged on the bottom side of the movable barrel, a connecting frame is fixedly installed at the lower end of the movable barrel, a seventh slide rail is fixedly installed on the bottom side of the connecting frame, the seventh slide rail is an arc-shaped slide rail, a seventh slider is slidably installed inside the seventh slide rail, the hardness testing machine is fixedly installed inside the seventh slider, a third rotating motor is fixedly installed on the side of the connecting frame, a rotating column is fixed on the output end of the third rotating motor, a connecting plate is fixedly installed on the side of the rotating column, and the side of the connecting plate away from the rotating column is fixedly installed on the side of the seventh slider.

[0014] Preferably, the bottom side of the workbench corresponds to the discharge chute and is fixedly installed with a collection box that is interconnected with the interior of the discharge chute. The collection box is a rectangular box with a rectangular opening on the side of the collection box. A movable box is movably installed at the side opening of the collection box, and a connecting handle is fixedly installed on the side of the movable box.

[0015] Beneficial effects

[0016] The present invention provides a tool for testing the hardness of injection-molded parts used in refrigerator interiors. It has the following beneficial effects:

[0017] (1) The hardness testing tooling for injection molded parts inside the refrigerator is composed of a support structure formed by a first connecting rod, a supporting reinforcing rod and a second connecting column. The bottom of the injection molded parts inside the refrigerator is supported by a number of supporting structures distributed inside the discharge chute. When in use, the sides of the injection molded parts are squeezed by two squeezing plates, and the squeezing force of the injection molded parts is monitored by a spring pressure detector. The hardness testing machine and the detection probe are driven by an electric telescopic rod to squeeze the injection molded parts. When the pressure is too high and the injection molded parts are broken, part of the broken shell of the injection molded parts falls through the discharge chute, and the other part falls on the first connecting rod, the supporting reinforcing rod and the second connecting column. At this time, the moving plate moves the squeezing plate back. In this process, the squeezing plate drives the first connecting rod to move. The inertia generated by the movement throws the broken shell of the injection molded parts on the first connecting rod, the supporting reinforcing rod and the second connecting column off to clean the surface of the first connecting rod, the supporting reinforcing rod and the second connecting column. Therefore, the workbench can be quickly cleaned after completing the inspection of a single injection molded part to avoid residual debris affecting the subsequent inspection work of the injection molding machine, thereby improving the inspection efficiency.

[0018] (2) The internal hardness test fixture of the injection molded parts of the refrigerator is used. When the outer wall of the injection molded part is a regular rectangle, the side of the injection molded part is squeezed by two extrusion plates. When the outer wall of the injection molded part is an arc, the positions of the two pushing plates on the extrusion plates are swung. The four pushing plates are respectively used to form a ring on the outer side of the injection molded part to clamp the injection molded part, making the clamping method flexible.

[0019] (3) The internal hardness test fixture of the injection molded parts of the refrigerator is used to release the constraint between the support reinforcement rod and the first connecting rod by removing the third threaded column, so that the support reinforcement rod can be removed from between the first connecting rod and the second connecting column, and the support reinforcement rod can be replaced, which facilitates the maintenance of the equipment.

[0020] (4) The refrigerator is internally provided with an injection molded hardness testing tool. The seventh slider can be rotated under the constraint of the seventh slide rail by rotating the rotating column, thereby adjusting the working angle of the hardness testing machine. The working position of the hardness testing machine can be adjusted by rotating the output end of the movable barrel and the electric telescopic rod, which is more flexible to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely illustrative, and those skilled in the art can derive other implementation drawings based on the provided drawings without inventive effort.

[0022] The structures, proportions, sizes, etc. illustrated in this specification are intended solely to complement the contents disclosed herein and to facilitate understanding and reading by persons skilled in the art. They are not intended to limit the conditions under which the present invention may be implemented and therefore have no substantive technical significance. Any structural modifications, changes in proportions, or adjustments in sizes, without affecting the efficacy and objectives of the present invention, shall remain within the scope of the technical contents disclosed herein.

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the partial structure of the installation cavity of the present invention;

[0025] Figure 3 is a side sectional view of the present invention;

[0026] Figure 4 For the present invention Figure 3 A in the middle is an enlarged structural diagram;

[0027] Figure 5 For the present invention Figure 3 The enlarged structural diagram at B in the middle;

[0028] Figure 6 It is a schematic diagram of the local structure of the movable plate of the present invention;

[0029] Figure 7 For the present invention Figure 6 The enlarged structural diagram at C in the middle;

[0030] Figure 8 It is a schematic diagram of the local structure of the moving block of the present invention;

[0031] Figure 9 It is a schematic diagram of the partial structure of the support rod of the present invention;

[0032] Figure 10 It is a schematic diagram of the partial structure of the connecting frame of the present invention.

[0033] Legend:

[0034] 1. Workbench; 2. Support leg; 311. Moving plate; 312. Extrusion plate; 313. Spring pressure detector; 314. First chute; 315. First slider; 321. Second chute; 322. Second slider; 323. First mounting block; 324. First rotary motor; 325. First thread hole; 326. First rotary screw; 327. Second mounting block; 328. Second rotary motor; 329. Third mounting block; 3210. Third slider Block; 3211, second threaded hole; 3212, second threaded rod; 3213, sliding support rod; 331, third slide; 332, moving block; 333, groove; 334, first threaded hole; 335, first threaded column; 336, first connecting block; 337, rotating block; 338, second threaded hole; 339, second threaded column; 3310, pushing plate; 341, fourth slide; 342, fourth slider; 343, first clamping block; 411, installation Mounting cavity; 412, movable hole; 421, fifth slide groove; 422, fifth slider; 423, second connecting block; 424, support spring; 425, first connecting column; 426, first limiting groove; 431, first connecting rod; 432, second clamping groove; 433, second clamping block; 434, supporting reinforcement rod; 435, third threaded hole; 436, guide hole; 437, third threaded column; 438, second connecting column; 441, fourth mounting block; 44 2. Sixth slide; 443. Sixth slider; 5. Feed chute; 611. Collection box; 612. Movable box; 613. Connecting handle; 711. Support frame; 721. Electric telescopic rod; 722. Movable barrel; 723. Locking threaded column; 724. Connecting frame; 725. Seventh slide rail; 726. Seventh slider; 727. Hardness testing machine; 728. Testing probe; 729. Third rotating motor; 7210. Rotating column; 7211. Connecting plate. DETAILED DESCRIPTION

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] like Figures 1-10As shown, a tool for testing the hardness of injection molded parts inside a refrigerator comprises a workbench 1, which is a rectangular plate. Two supporting legs 2 are symmetrically fixedly installed on both sides of the workbench 1. Two movable movable plates 311 are arranged above the workbench 1. An extrusion plate 312 is slidably installed on the side of the movable plate 311. Two spring pressure detectors 313 are fixedly installed on the side of the extrusion plate 312 corresponding to the movable plate 311. One end of the spring pressure detector 313 away from the extrusion plate 312 is fixedly installed on the side of the movable plate 311. A driving structure for driving the movable plate 311 to move is arranged below the workbench 1. Two first connecting blocks 336 are slidably installed on the side of the extrusion plate 312. A rotatable rotating block 336 is arranged inside the first connecting block 336. 37, a pushing plate 3310 is fixedly installed on the side of the rotating block 337, a material discharge trough 5 is provided at the upper center position of the workbench 1, a mounting cavity 411 is provided on the side of the material discharge trough 5, and a movable hole 412 is equidistantly provided on the side of the material discharge trough 5 corresponding to the mounting cavity 411, a sixth slide 442 is provided on the side of the mounting cavity 411 and the material discharge trough 5, and a fourth mounting block 441 is movably installed inside the sixth slide 442, and a sixth slider 443 is provided on the side of the fourth mounting block 441 corresponding to the position of the movable hole 412, and a detachable support structure is provided inside the sixth slider 443, and the support structure includes a first connecting rod 431 that is clamped in the interior of the fourth mounting block 441, and one end of the first connecting rod 431 is fixedly installed with a first connecting column 425, and the first A first limiting groove 426 is provided on the side of the connecting column 425, and a pushing structure for squeezing the first connecting column 425 is provided at one end of the first connecting column 425. A second connecting column 438 is slidably installed inside the movable hole 412, and a detachable supporting reinforcement rod 434 is provided between the first connecting rod 431 and the second connecting column 438. A fourth sliding groove 341 is provided on the side of the extrusion plate 312 corresponding to the position of the movable hole 412, and a fourth slider 342 is slidably installed inside the fourth sliding groove 341. A first clamping block 343 is fixedly installed on the bottom side of the fourth slider 342 corresponding to the position of the first limiting groove 426. A support frame 711 is fixedly installed at the center position of the upper side of the workbench 1, and an electric telescopic rod 721 is fixedly installed on the upper end of the support frame 711. The output end of the telescopic rod 721 is rotatably mounted on the wall of the process support frame 711 with a movable barrel 722. The side of the movable barrel 722 is threadedly connected with a locking threaded column 723 that constrains the movable barrel 722 to rotate. The hardness tester 727 is movably arranged on the bottom side of the movable barrel 722. The output end of the hardness tester 727 is fixedly mounted with a detection probe 728. The number of support reinforcement rods 434 to be installed is determined according to the size of the injection molded part. The injection molded part is placed above a number of support reinforcement rods 434 and supported by the support reinforcement rods 434. The two spring pressure detectors 313 are moved synchronously. The spring pressure detector 313 drives the extrusion plate 312 workbench 1 to move, and the two extrusion plates 312 are used to squeeze the side of the injection molded part.The injection molded part is kept in a stable state. The spring pressure detector 313 is used to detect the extrusion pressure of the extrusion plate 312 on the injection molded part. When the outer wall of the injection molded part is curved, the positions of the two pushing plates 3310 on the extrusion plate 312 are swung. The four pushing plates 3310 are respectively formed into a ring state on the outer side of the injection molded part by the two pushing plates 3310 on the two extrusion plates 312 to clamp the injection molded part, thereby providing a stable support for the injection molded part. At this time, the hardness tester 727 is adjusted to a suitable position, and the electric telescopic rod 721 is started. The electric telescopic rod 721 carries the hardness tester 727 and the detection probe 728 to squeeze the surface of the injection molded part. After the injection molded part is squeezed and crushed during the extrusion process, The crushed shells will fall into the bottom of the discharge chute 5, and some shells will also adhere to the surface of the support reinforcement rod 434. At this time, the movable plate 311 moves again, and the movable plate 311 drives the extrusion plate 312 to move, and the extrusion plate 312 moves away from the injection molded part. When the extrusion plate 312 moves to the position of the first limiting groove 426 with the fourth slider 342 and the first clamping block 343, the first clamping block 343 drives the first connecting column 425 to move inside the first limiting groove 426, and the first connecting column 425 drives the first connecting rod 431, the support reinforcement rod 434 and the second connecting column 438 to move. The shells adhered to the support reinforcement rod 434 are separated from the support reinforcement rod 434 by the inertia of the movement, thereby playing a cleaning role.

[0037] The driving structure includes a first mounting block 323 fixedly mounted on the bottom side of the workbench 1, the first mounting block 323 is a "U"-shaped block, a third mounting block 329 is fixedly mounted on the bottom side of the first mounting block 323, two third sliders 3210 are slidably mounted inside the third mounting block 329, and a second mounting block 327 is fixedly mounted on the end surface of the first mounting block 323 corresponding to the position of the third slider 3210, a second rotating motor 328 is fixedly mounted on the output end of the second mounting block 327, a second screw rod 3212 is fixedly mounted on the output end of the second rotating motor 328, and the third slider 3210 is fixedly mounted on the output end of the second mounting block 327. A second thread hole 3211 is provided on the side, and a second screw rod 3212 is threadedly connected to the inside of the second thread hole 3211. A first rotary motor 324 is fixedly installed on the lower end of the third slider 3210. Two second slide grooves 321 are provided on the upper side of the workbench 1. Second sliders 322 are fixedly installed on both sides of the movable plate 311. The second slider 322 is a "U"-shaped block. The second slider 322 passes through the two second slide grooves 321. A first thread hole 325 is provided on the side of the second slider 322 corresponding to the position of the first rotary motor 324. The output end of the first rotary motor 324 corresponds to the first thread hole 325. The first rotating screw rod 326 is fixedly installed at the position, and the first rotating screw rod 326 is threadedly connected to the inside of the first thread hole 325. The side wall of the first rotating motor 324 is fixedly installed with a sliding support rod 3213. The sliding support rod 3213 is slidably installed on the side wall of the second sliding block 322 away from the side of the first rotating motor 324. When the first rotating motor 324 is started, the first rotating motor 324 drives the first rotating screw rod 326 to rotate inside the first thread hole 325. The rotating first rotating screw rod 326 drives the second sliding block 322 to move up and down, and the second sliding block 322 drives the moving plate 311 moves up and down to adjust the movement height of the movable plate 311, driving the second rotary motor 328. The second rotary motor 328 drives the second screw rod 3212 to rotate. When the second screw rod 3212 rotates inside the second thread hole 3211, it drives the third slider 3210 to slide inside the third mounting block 329. The third slider 3210 drives the first rotary motor 324, the first rotary screw rod 326, the sliding support rod 3213, the second slider 322 and the movable plate 311 to slide, thereby driving the movable plate 311 to move horizontally to clamp the injection molded part.

[0038] The movable plate 311 has two symmetrical first slide grooves 314 on its side. The first slide groove 314 is a rectangular groove. A first slider 315 is fixedly installed on the side of the extrusion plate 312 at a position corresponding to the first slide groove 314. The first slider 315 is slidably installed inside the first slide groove 314. The extrusion plate 312 is constrained by the first slide groove 314 and the first slider 315 to slide. The spring pressure detector 313 is a pressure sensor with the performance of a spring. A third slide groove 331 is provided on the side of the extrusion plate 312. The cross section of the third slide groove 331 is a "T"-shaped groove. A movable block 332 is slidably installed inside the third slide groove 331. The side of the movable block 332 is fixedly connected to the side of the first connecting block 336. The movable block 332 is fixedly connected to the side of the first connecting block 336. The movable block 332 is fixedly connected to the first connecting block 336 on the third slide groove. The first threaded post 335 is connected to the inner thread of the first threaded hole 334, and the cross section of the first threaded post 335 is "T" shaped. The upper end of the first threaded post 335 extends to the upper side of the extrusion plate 312. The first threaded post 335 is rotated to limit the movement of the moving block 332. The upper side of the first connecting block 336 is provided with a second threaded hole 338, and the inner thread of the second threaded hole 338 is connected to the second threaded post 339. The movement of the rotating block 337 is constrained by locking the second threaded post 339.

[0039] The pushing structure includes a support spring 424 fixedly installed on the end of the first connecting post 425 away from the first connecting rod 431, and the second connecting block 423 is fixedly installed on the end of the support spring 424 away from the first connecting post 425. The fifth slider 422 is fixedly installed on the end of the second connecting block 423 away from the support spring 424. A fifth sliding groove 421 is provided on the side of the installation cavity 411 at the position corresponding to the movable hole 412, and the fifth slider 422 is clamped in the inside of the fifth sliding groove 421. When the fourth slider 342 moves to the inside of the first limiting groove 426, it squeezes the first connecting post 425, and the first connecting post 425 squeezes the support spring 424 to make the support spring 424 contract. When the fourth slider 342 moves in the direction away from the first connecting post 425, the support spring 424 pushes the first connecting post 425 to move, thereby driving the first connecting post 425 to move to the initial state;

[0040] The first connecting rod 431 and the second connecting column 438 are each provided with a second slot 432 on one side corresponding to each other, and a second clamping block 433 is clamped inside the two second slots 432. The two second clamping blocks 433 are respectively fixedly mounted on the two ends of the support reinforcement rod 434 on one side corresponding to each other. A guide hole 436 is provided on the side of the first connecting rod 431 corresponding to the position of the second slot 432, and a third threaded hole 435 is provided on the side of the second clamping block 433 corresponding to the position of the guide hole 436. The inner thread of the third threaded hole 435 is connected to a third threaded column 437. The third threaded column 437 is provided during the guide hole 436. The second clamping block 433 is reinforced inside the second slot 432 by the third threaded column 437. The support reinforcement rod 434 is detachable and can be replaced when the support reinforcement rod 434 is worn out during daily use.

[0041] A connecting frame 724 is fixedly installed at the lower end of the movable barrel 722, and a seventh slide rail 725 is fixedly installed on the bottom side of the connecting frame 724. The seventh slide rail 725 is an arc-shaped slide rail, and a seventh slider 726 is slidably installed inside the seventh slider 725. A hardness testing machine 727 is fixedly installed inside the seventh slider 726. A third rotating motor 729 is fixedly installed on the side of the connecting frame 724, and a rotating column 7210 is fixed on the output end of the third rotating motor 729. A connecting plate 7211 is fixedly installed on the side of the rotating column 7210. The side of the connecting plate 7211 away from the rotating column 7210 is fixedly installed on the side of the seventh slider 726. The movable barrel 722 is movable at the output end of the electric telescopic rod 721, and the rotation position of the movable barrel 722 can be adjusted. The seventh slider 726 slides on the seventh slide rail 725, and the position of the seventh slider 726 can be adjusted to adjust the position of the hardness testing machine 727 to extrude the injection molded parts at multiple angles. The bottom side of the workbench 1 corresponds to the discharge chute 5 and is fixedly installed with a collecting box 611 that is interconnected with the interior of the discharge chute 5. The collecting box 611 is a rectangular box with a rectangular opening on the side of the collecting box 611. A movable box 612 is movably installed at the side opening of the collecting box 611. A connecting handle 613 is fixedly installed on the side of the movable box 612. The movable box 612 is pulled out from the interior of the collecting box 611 through the connecting handle 613, and the broken injection molded parts fall into the interior of the movable box 612 from the discharge chute 5 and are collected.

[0042] Working principle of the present invention:

[0043] When in use, the number of support reinforcement rods 434 to be installed is determined according to the size of the injection molded part, the injection molded part is placed above several support reinforcement rods 434 and supported by the support reinforcement rods 434, and the two spring pressure detectors 313 are moved synchronously, and the spring pressure detector 313 drives the extrusion plate 312 workbench 1 to move, and the two extrusion plates 312 are used to squeeze the side of the injection molded part so that the injection molded part maintains a stable state, and the extrusion pressure of the extrusion plate 312 on the injection molded part is detected by the spring pressure detector 313. When the outer wall of the injection molded part is curved, the position of the two pushing plates 3310 on the extrusion plate 312 is swung, and the four The pushing plates 3310 are formed into a ring on the outside of the injection molded part to clamp the injection molded part, thereby providing a stable support for the injection molded part. At this time, the hardness tester 727 is adjusted to a suitable position, and the electric telescopic rod 721 is started. The electric telescopic rod 721 carries the hardness tester 727 and the detection probe 728 to squeeze the surface of the injection molded part. After the injection molded part is squeezed and crushed during the extrusion process, the crushed shell will fall under the discharge chute 5, and some shells will also adhere to the surface of the support reinforcement rod 434. At this time, the movable plate 311 moves again, and the movable plate 311 drives the extrusion plate 312 to move. The extrusion plate 312 is away from the injection molded part. When the extrusion plate 312 moves to the first limit with the fourth slider 342 and the first block 343 When the first locking block 343 is in the position of the positioning slot 426, the first blocking block 343 drives the first connecting column 425 to move inside the first limiting slot 426, and the first connecting column 425 drives the first connecting rod 431, the supporting reinforcement rod 434 and the second connecting column 438 to move, and the shell adhered to the supporting reinforcement rod 434 is separated from the supporting reinforcement rod 434 by the inertia of the movement, thereby playing a cleaning role. The first rotating motor 324 is started, and the first rotating motor 324 drives the first rotating screw rod 326 to rotate inside the first thread hole 325. The rotating first rotating screw rod 326 drives the second slider 322 to move up and down, and the second slider 322 drives the movable plate 311 to move up and down to adjust the movement height of the movable plate 311, driving the first rotating motor 324 to rotate. The second rotary motor 328 drives the second screw rod 3212 to rotate. When the second screw rod 3212 rotates inside the second thread hole 3211, it drives the third slider 3210 to slide inside the third mounting block 329. The third slider 3210 drives the first rotary motor 324, the first rotary screw rod 326, the sliding support rod 3213, the second slider 322 and the movable plate 311 to slide, thereby driving the movable plate 311 to move horizontally to clamp the injection molded part. The extrusion plate 312 is constrained by the first slide groove 314 and the first slider 315 to slide. The spring pressure detector 313 is a pressure sensor with the performance of a spring. The movable block 332 slides inside the third slide groove 331.When the fourth slider 342 moves in the direction away from the first connecting post 425, the support spring 424 pushes the first connecting post 425 to move, thereby driving the first connecting post 425 to move to the initial state, and the second blocking block 433 is fixed in the second blocking groove 426 by the third threaded post 339. The interior of the groove 432 is reinforced, and the support reinforcement rod 434 is detachable. When the support reinforcement rod 434 is worn out during daily use, it can be replaced. The movable barrel 722 is movable at the output end of the electric telescopic rod 721, and the rotation position of the movable barrel 722 can be adjusted. The seventh slider 726 slides on the seventh slide rail 725. The position of the seventh slider 726 can be adjusted, thereby adjusting the position of the hardness tester 727 to squeeze the injection molded parts at multiple angles. The movable box 612 is pulled out from the interior of the collection box 611 by connecting the handle 613. The crushed injection molded parts fall into the interior of the movable box 612 through the discharge chute 5 and are collected.

[0044] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A tool for testing the hardness of injection-molded parts for use in refrigerator interiors, comprising a workbench (1), two supporting legs (2) being symmetrically fixedly mounted on both sides of the workbench (1), and characterized in that: Two movable moving plates (311) are provided above the workbench (1), and a pressing plate (312) is slidably mounted on the side of the moving plate (311). Two spring pressure detectors (313) are fixedly mounted on one side of the pressing plate (312) corresponding to the moving plate (311). One end of the spring pressure detector (313) away from the pressing plate (312) is fixedly mounted on the side of the moving plate (311). A driving structure for driving the moving plate (311) to move is provided below the workbench (1), and two first connecting blocks (336) are slidably mounted on the side of the pressing plate (312). A rotatable rotating block (337) is provided inside the first connecting block (336), and a pushing plate (3310) is fixedly mounted on the side of the rotating block (337). A material discharge trough (5) is provided at the center position of the upper side of the workbench (1), and a mounting cavity (411) is provided on the side of the material discharge trough (5). A movable hole is equidistantly provided on one side of the material discharge trough (5) corresponding to the mounting cavity (411). (412), the side of the mounting cavity (411) and the material discharge chute (5) are provided with a sixth slide groove (442), the interior of the sixth slide groove (442) is movably provided with a fourth mounting block (441), the side of the fourth mounting block (441) is provided with a sixth slider (443) at the position corresponding to the movable hole (412), the interior of the sixth slider (443) is provided with a detachable support structure, the support structure includes a support reinforcement rod (434) provided inside the material discharge chute (5), and the extrusion A fourth slide groove (341) is provided on the side of the plate (312) at a position corresponding to the movable hole (412), a fourth slider (342) is slidably installed inside the fourth slide groove (341), a first clamping block (343) is fixedly installed on the bottom side of the fourth slider (342) at a position corresponding to the first limiting groove (426), and a hardness tester (727) with an adjustable angle is provided above the workbench (1), and a detection probe (728) is fixedly installed at the output end of the hardness tester (727).

2. The tool for testing hardness of injection-molded parts for refrigerator interiors according to claim 1, characterized in that: The driving structure comprises a first mounting block (323) fixedly mounted on the bottom side of the workbench (1), the first mounting block (323) being a "U"-shaped block, a third mounting block (329) fixedly mounted on the bottom side of the first mounting block (323), two third sliders (3210) being slidably mounted inside the third mounting block (329), a second mounting block (327) fixedly mounted on the end surface of the first mounting block (323) at positions corresponding to the third sliders (3210), a second rotary motor (328) fixedly mounted on the output end of the second mounting block (327), a second screw rod (3212) fixedly mounted on the output end of the second rotary motor (328), a second threaded hole (3211) being provided on the side surface of the third slider (3210), the second screw rod (3212) being threadedly connected to the inside of the second threaded hole (3211), and a third screw rod (3212) fixedly mounted on the lower end of the third slider (3210). A rotary motor (324) is provided. Two second chutes (321) are provided on the upper side of the workbench (1). Second sliders (322) are fixedly installed on both sides of the movable plate (311). The second sliders (322) are U-shaped blocks. The second sliders (322) pass through the two second chutes (321). A first thread hole (325) is provided on the side of the second slider (322) corresponding to the position of the first rotary motor (324). A first rotary screw rod (326) is fixedly installed at the output end of the first rotary motor (324) corresponding to the position of the first thread hole (325). The first rotary screw rod (326) is threadedly connected to the inside of the first thread hole (325). A sliding support rod (3213) is fixedly installed on the side wall of the first rotary motor (324). The sliding support rod (3213) is slidably installed on the side wall of the second slider (322) on the side away from the first rotary motor (324).

3. The tool for testing hardness of injection-molded parts for refrigerator interiors according to claim 2, characterized in that: Two first sliding grooves (314) are symmetrically provided on the side of the movable plate (311), and the first sliding grooves (314) are rectangular grooves. A first sliding block (315) is fixedly installed on the side of the extrusion plate (312) at a position corresponding to the first sliding groove (314), and the first sliding block (315) is slidably installed inside the first sliding groove (314).

4. The tool for testing hardness of injection-molded parts for refrigerator interiors according to claim 3, characterized in that: A third slide groove (331) is provided on the side of the extrusion plate (312), and the cross section of the third slide groove (331) is a "T"-shaped groove. A moving block (332) is slidably installed inside the third slide groove (331), and the side of the moving block (332) is fixedly connected to the side of the first connecting block (336).

5. The tool for testing hardness of injection-molded parts for refrigerator interiors according to claim 4, characterized in that: A groove (333) is provided on the upper side of the extrusion plate (312), and the groove (333) is a rectangular groove. A first threaded hole (334) is provided on the upper side of the moving block (332) at a position corresponding to the groove (333). The internal thread of the first threaded hole (334) is connected to a first threaded column (335). The cross section of the first threaded column (335) is "T"-shaped, and the upper end of the first threaded column (335) extends to the upper side of the extrusion plate (312).

6. The tool for testing hardness of injection-molded parts for refrigerator interiors according to claim 5, characterized in that: A second threaded hole (338) is provided on the upper side of the first connecting block (336), and a second threaded column (339) is threadedly connected inside the second threaded hole (338).

7. The tool for testing hardness of injection-molded parts for refrigerator interiors according to claim 6, characterized in that: The support structure includes a first connecting rod (431) that is clamped inside the fourth mounting block (441), a first connecting column (425) is fixedly installed at one end of the first connecting rod (431), a first limiting groove (426) is provided on the side of the first connecting column (425), a pushing structure for squeezing the first connecting column (425) is provided at one end of the first connecting column (425), a second connecting column (438) is slidably installed inside the movable hole (412), and a support reinforcement rod (434) is detachably arranged between the first connecting rod (431) and the second connecting column (438). ), the pushing structure includes a support spring (424) fixedly mounted on one end of the first connecting column (425) away from the first connecting rod (431), a second connecting block (423) fixedly mounted on one end of the support spring (424) away from the first connecting column (425), a fifth slider (422) fixedly mounted on one end of the second connecting block (423) away from the support spring (424), a fifth slide groove (421) is provided on the side of the installation cavity (411) at a position corresponding to the movable hole (412), and the fifth slider (422) is clamped inside the fifth slide groove (421).

8. The tool for testing hardness of injection-molded parts for refrigerator interiors according to claim 7, characterized in that: The first connecting rod (431) and the second connecting column (438) are each provided with a second slot (432) on one side corresponding to each other, and a second block (433) is clamped inside the two second slots (432). The two second blocks (433) are respectively fixedly mounted on the two ends of the support reinforcement rod (434) on one side corresponding to each other, and a guide hole (436) is provided on the side of the first connecting rod (431) at a position corresponding to the second slot (432), and a third threaded hole (435) is provided on the side of the second block (433) at a position corresponding to the guide hole (436). The third threaded hole (435) is internally threadedly connected to a third threaded column (437), and the third threaded column (437) is provided through the guide hole (436).

9. The tool for testing hardness of injection-molded parts for refrigerator interiors according to claim 8, characterized in that: A support frame (711) is fixedly installed at the center position of the upper side of the workbench (1); an electric telescopic rod (721) is fixedly installed at the upper end of the support frame (711); a movable barrel (722) is rotatably installed on the wall surface of the support frame (711) at the output end of the electric telescopic rod (721); a locking threaded column (723) for constraining the movable barrel (722) to rotate is threadedly connected to the side of the movable barrel (722); a hardness testing machine (727) is movably arranged on the bottom side of the movable barrel (722); a connecting frame (724) is fixedly installed at the lower end of the movable barrel (722); and a connecting frame (724) is fixedly installed on the bottom side of the connecting frame (724). A seventh slide rail (725) is provided, the seventh slide rail (725) being an arc-shaped slide rail, a seventh slider (726) being slidably mounted inside the seventh slide rail (725), a hardness testing machine (727) being fixedly mounted inside the seventh slider (726), a third rotating motor (729) being fixedly mounted on the side of the connecting frame (724), a rotating column (7210) being fixedly mounted on the output end of the third rotating motor (729), a connecting plate (7211) being fixedly mounted on the side of the rotating column (7210), and a side of the connecting plate (7211) being fixedly mounted on the side of the seventh slider (726) away from the rotating column (7210).

10. The tool for testing hardness of injection-molded parts for refrigerator interiors according to claim 9, characterized in that: A collecting box (611) is fixedly mounted on the bottom side of the workbench (1) corresponding to the material discharge chute (5), and is communicated with the interior of the material discharge chute (5). The collecting box (611) is a rectangular box, and a rectangular opening is provided on the side of the collecting box (611). A movable box (612) is movably mounted at the side opening of the collecting box (611), and a connecting handle (613) is fixedly mounted on the side of the movable box (612).

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