Wiping device for decoloration test of food contact material and use method of wiping device

Abstract

The invention relates to the technical field of decoloration tests, in particular to a food contact material decoloration test wiping device and a using method thereof.The food contact material decoloration test wiping device comprises a machine table, a machine shell is arranged on the rear side of the top end of the machine table, a reciprocating assembly is arranged in an inner cavity of the machine shell, and the front end of the reciprocating assembly extends to the front end of the machine shell and is fixedly connected with a support; a first motor is arranged at the right end of the support, the output end of the first motor extends to an inner cavity of the support, a rotating column is rotationally connected to the left side of the inner cavity of the support through a bearing, the right end of the rotating column is fixedly connected with the output end of the motor, and a plurality of adjusting sets are connected to the circumference of the outer wall of the rotating column at equal intervals in the circumferential direction. According to the wiping device for the decoloration test of the food contact material and the using method thereof, the problems that in the prior art, a food contact material cannot be accurately fixed in the actual using process of a wiping device for the decoloration test of the food contact material, so that the contact material moves in the wiping process, and the stability is poor are solved.

Description

Technical Field

[0001] The invention relates to the technical field of discoloration test, in particular to a food contact material discoloration test wiping device and a use method thereof. Background Art

[0002] The wiping part of the food contact material discoloration test is an important test link, which is used to evaluate whether the material will undergo color migration during contact with food. Through the wiping test, the contact between the food contact material and food or food simulant during use is simulated, and whether the color migration occurs on the surface of the material is observed and evaluated, so as to determine whether it is suitable for contact with food. The wiping test uses absorbent cotton saturated with food simulant to wipe the food contact surface of the sample. The decolorization performance of the sample is evaluated by comparing the color change of the absorbent cotton before and after wiping, as well as the color change of the soaking liquid.

[0003] However, the prior art food contact material decolorization test wiping device has the following problems in actual use: 1. It is not possible to quickly switch between different simulants according to different food contact materials; 2. The food contact materials cannot be fixed, resulting in movement of the contact materials during wiping, resulting in poor stability; 3. The wiping force, wiping frequency and wiping area during the contact material wiping experiment cannot be adjusted, resulting in large errors in the experiment; In view of the above problems, a food contact material decolorization test wiping device and a use method thereof are provided. Summary of the invention

[0004] The purpose of the present invention is to provide a food contact material decolorization test wiping device and a method of using the same, so as to solve the problems raised in the above-mentioned background technology. To achieve the above-mentioned purpose, the present invention provides the following technical solutions: A food contact material decolorization test wiping device and a method of using the same, comprising a machine platform, a housing is provided at the rear side of the top end of the machine platform, a reciprocating assembly is provided in the inner cavity of the housing, a front end of the reciprocating assembly extends to the front end of the housing and is fixedly connected to a bracket, a first motor is provided at the right end of the bracket, an output end of the first motor extends to the inner cavity of the bracket, a rotating column is rotatably connected to the left side of the inner cavity of the bracket through a bearing, the right end of the rotating column is fixedly connected to the output end of the motor, and the rotating column The circumference of the outer wall is equidistantly connected with a plurality of adjustment components along the circumferential direction, a fixed box is provided at one end of each adjustment component away from the rotating column, a clamping component is provided in the inner cavity of each fixed box, the clamping component extends to the outside of the fixed box and clamps the simulation object, a moving component is provided in the inner cavity of the machine, the left and right sides of the top of the moving component extend to the left and right sides of the top of the machine respectively and are fixedly connected with moving plates respectively, a top plate is provided on the moving plate, a cylinder is fixedly embedded in the middle of the top plate, and a clamping plate is fixedly connected to the output end of the cylinder.

[0005] Preferably, wheels are arranged at the four corners of the bottom end of the machine, and the wheels are self-locking universal wheels.

[0006] Preferably, the reciprocating assembly includes a second motor, a turntable, a guide rod, a slide plate, a slide groove, a rotating rod, a third slide and a slide rod, the second motor is arranged at the rear end of the casing, the output end of the second motor extends to the inner cavity of the casing and is fixedly connected to the center of the turntable, the two guide rods are arranged at the front side of the inner cavity of the casing, the slide plate can be slidably sleeved on the outer walls of the two guide rods, the slide groove is opened on the rear side of the slide plate, the rotating rod is eccentrically arranged at the front end of the turntable and can be slidably embedded in the inner cavity of the slide groove, the third slide groove is opened at the front end of the casing, the slide rod can be slidably embedded in the inner cavity of the third slide, one end of the slide rod is fixedly connected to the slide plate, and the other end of the slide rod is fixedly connected to the bracket.

[0007] Preferably, the adjustment assembly includes a fixed cylinder, a second motor, a screw, a movable cylinder and a connecting assembly, the fixed cylinder is arranged on the outer wall circumference of the rotating column, the second motor is arranged at the bottom end of the inner cavity of the fixed cylinder, the screw is fixedly connected to the output end of the second motor, the movable cylinder is threaded on the outer wall of the screw and fixedly connected to one side of the outer wall of the fixed box, and the two connecting assemblies are respectively arranged on both sides of the inner wall of the fixed cylinder and are fixedly connected to the outer wall of the movable cylinder.

[0008] Preferably, the connecting assembly includes a connecting groove and a connecting block, the connecting groove is opened on one side of the inner wall of the fixed cylinder, the connecting block can be slidably embedded in the inner cavity of the connecting groove and fixedly connected to the outer wall of the movable cylinder, the inner cavity of the connecting groove is adapted to fit the outer wall of the connecting block and both are dovetail-shaped.

[0009] Preferably, the clamping assembly includes a screw rod, a knob, a slider, a second slide, a moving rod, a splint and a limit assembly, one end of the screw rod is rotatably connected to the rear side of the inner cavity of the fixed box through a bearing, the other end of the screw rod extends to the front end of the casing and is fixedly connected to the knob, the two sliders are respectively screwed on the front and rear sides of the outer wall of the screw rod, the second slide is opened at the top of the fixed box, the two moving rods can be slidably embedded in the inner cavity of the second slide, one end of the two moving rods are respectively fixedly connected to the two sliders, the other ends of the two moving rods extend to the front and rear sides of the top of the fixed box and are respectively fixedly connected to the two splints, the limit assembly is arranged at the bottom end of the inner cavity of the fixed box and is fixedly connected to the bottom ends of the two sliders, and the front and rear threads of the outer wall of the screw rod are relatively arranged.

[0010] Preferably, the limiting assembly includes a slide rail and a moving block, the slide rail is opened at the bottom end of the inner cavity of the fixed box, the two moving blocks can be slidably embedded in the inner cavity of the slide rail and are respectively fixedly connected to two sliders, the inner cavity of the slide rail is adapted to fit the outer wall of the moving block and are both in a "T" shape.

[0011] Preferably, the moving component includes a first motor, a rotating shaft, a gear, an anti-slip component, a rack, a first slide and a connecting rod. The first motor is arranged at the bottom end of the inner cavity of the machine, the rotating shaft is fixedly connected to the output end of the first motor, the top end of the rotating shaft is rotatably connected to the top end of the inner cavity of the machine through a bearing, the gear is fixedly sleeved on the outer wall of the rotating shaft, the two anti-slip components are respectively arranged on the front and back sides of the inner cavity of the machine, the two racks are respectively arranged on the side where the two anti-slip components are close to each other and are meshed with the gears, the two first slides are respectively opened on the left and right sides of the top of the machine, the two connecting rods are respectively slidably embedded in the inner cavities of the two first slides, one end of the two connecting rods are respectively fixedly connected to the two racks, and the other ends of the two connecting rods are respectively fixedly connected to the bottom ends of the two movable plates.

[0012] Preferably, the anti-slip assembly includes a limiting groove and a limiting block, the limiting groove is opened on one side of the inner wall of the machine, the limiting block can be slidably embedded in the inner cavity of the limiting groove and fixedly connected to the rack, the inner cavity of the limiting groove and the outer wall of the limiting block are adapted to fit together and are both in a "T" shape.

[0013] A method for using a food contact material decolorization test wiping device, using the device in claims 1-9, comprising the following steps: S1. Place the release material on the top of the machine, use the moving assembly to move the clamping plate to the left and right sides of the top of the contact material, start the cylinder, extend the output end of the cylinder, and make the clamping plate clamp and fix the contact material; S2, using the first motor to drive the rotating column, the adjusting component, the fixing box, the clamping component and the simulant to rotate, so that the simulant corresponding to the contact material is located above the contact material, and adjusting the distance between the simulant and the contact material by the adjusting component, so that the contact material and the simulant are in close contact; S3. The reciprocating assembly drives the bracket, the first motor, the adjusting assembly, the fixing box, the clamping assembly and the simulant to slide back and forth horizontally to wipe the contact material, thereby completing the food contact material decolorization wiping test.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The output end of the cylinder is extended so that the bottom end of the clamping plate cooperates with the top end of the machine table to clamp and fix the contact material, thereby preventing the contact material from moving during the wiping process, improving the stability of the device during use, and solving the problem that the prior art food contact material decolorization test wiping device cannot fix the food contact material during actual use, resulting in the movement of the contact material during the wiping process and poor stability; 2. By setting the moving component, the distance between the two clamping plates can be adjusted, and the distance between the other two clamping plates can be conveniently adjusted according to the contact materials of different sizes, thereby improving the flexibility of the device when in use; 3. The first motor drives the rotating column, the adjusting component, the fixing box, the clamping component and the simulant to rotate, so that different simulants can be quickly switched according to the type of contact material for wiping experiments, which improves the convenience of the device when in use and solves the problem that the wiping device for food contact material decolorization test in the prior art cannot quickly switch different simulants according to different food contact materials during actual use; 4. By setting the adjustment component, the distance between the simulant and the contact material can be adjusted so that the contact material and the simulant are in close contact. By setting the reciprocating component, the bracket, the first motor, the adjustment component, the fixing box, the clamping component and the simulant can be driven to slide back and forth in the horizontal direction to wipe the contact material, so as to complete the food contact material decolorization wiping test. The wiping force between the simulant and the contact material is adjusted by the adjustment component, which solves the problem that the wiping force of the contact material wiping experiment cannot be adjusted during the actual use of the food contact material decolorization test wiping device in the prior art, resulting in large errors in the experiment. The wiping area can be adjusted by controlling the forward and reverse switching of the second motor in the reciprocating component, and the wiping frequency can be adjusted by controlling the speed of the second motor in the reciprocating component. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a food contact material decolorization test wiping device and a use method thereof of the present invention; Figure 2 A food contact material decolorization test wiping device and a method of using the same Figure 1 A magnified image of point A; Figure 3 A food contact material decolorization test wiping device and a method of using the same Figure 1 The enlarged view of point B; Figure 4 It is a right side cross-sectional view of a fixing box of a food contact material decolorization test wiping device and a method for using the same according to the present invention; Figure 5 A food contact material decolorization test wiping device and a method of using the same Figure 4 Enlarged view of point C; Figure 6 It is a front cross-sectional view of a food contact material decolorization test wiping device and a method for using the same according to the present invention; Figure 7 It is a top cross-sectional view of a food contact material decolorization test wiping device and a method for using the same according to the present invention; Figure 8 It is a top cross-sectional view of the housing of a food contact material decolorization test wiping device and a method of using the same according to the present invention; Fig. 9 It is a structural schematic diagram of a guide rod of a food contact material decolorization test wiping device and a method for using the same according to the present invention; Fig.10 The present invention is a schematic structural diagram of a rotating rod of a food contact material decolorization test wiping device and a method for using the same.

[0016] In the figure: 1, machine table; 2, housing; 3, bracket; 4, first motor; 5, rotating column; 6, fixed box; 7, clamping plate; 8, simulant; 9, moving plate; 10, top plate; 11, cylinder; 12, clamping plate; 13, rotating shaft; 14, gear; 15, limit groove; 16, limit block; 17, rack; 18, first slideway; 19, connecting rod; 20, fixed cylinder; 21, second motor; 2 2. Screw rod; 23. Moving cylinder; 24. Connecting groove; 25. Connecting block; 26. Screw rod; 27. Knob; 28. Slider; 29. ​​Second slideway; 30. Moving rod; 31. Slide rail; 32. Moving block; 33. Second motor; 34. Turntable; 35. Guide rod; 36. Slide plate; 37. Slide groove; 38. Rotating rod; 39. Third slideway; 40. Slide rod; 41. Wheel; 42. First motor. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 technical personnel in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figures 1 to 10The present invention provides a technical solution: a food contact material decolorization test wiping device and a method of using the same, comprising a machine platform 1, a housing 2 is arranged at the rear side of the top of the machine platform 1, a reciprocating assembly is arranged in the inner cavity of the housing 2, a front end of the reciprocating assembly extends to the front end of the housing 2 and is fixedly connected to a bracket 3, a first motor 4 is arranged at the right end of the bracket 3, an output end of the first motor 4 extends to the inner cavity of the bracket 3, a rotating column 5 is rotatably connected to the left side of the inner cavity of the bracket 3 through a bearing, the right end of the rotating column 5 is fixedly connected to the output end of the motor, a plurality of adjusting assemblies are equidistantly connected to the outer wall circumference of the rotating column 5 along the circumferential direction, a fixed box 6 is arranged at one end of each adjusting assembly away from the rotating column 5, a clamping assembly is arranged in the inner cavity of each fixed box 6, and the clamping assembly extends The machine 1 extends to the outside of the fixed box 6 and clamps the simulant 8. The inner cavity of the machine 1 is provided with a moving component. The left and right sides of the top of the moving component extend to the left and right sides of the top of the machine 1 respectively and are fixedly connected with a moving plate 9. The moving plate 9 is provided with a top plate 10. The middle of the top plate 10 is fixedly embedded with a cylinder 11. The output end of the cylinder 11 is fixedly connected with a clamping plate 12. The output end of the cylinder 11 extends out so that the bottom end of the clamping plate 12 cooperates with the top of the machine 1 to clamp and fix the contact material, thereby preventing the contact material from moving during the wiping process, improving the stability of the device during use, and solving the problem that the food contact material decolorization test wiping device in the prior art cannot fix the food contact material during actual use. The problem of poor stability caused by the movement of the contact material during the wiping process can be solved. By setting the moving component, the purpose of adjusting the distance between the two clamping plates 12 can be achieved, and the distance between the other two clamping plates 12 can be conveniently adjusted according to the contact materials of different sizes, thereby improving the flexibility of the device when in use. The first motor 4 drives the rotating column 5, the adjustment component, the fixed box 6, the clamping component and the simulant 8 to rotate, so that different simulants 8 can be quickly switched according to the type of contact material for wiping experiments, thereby improving the convenience of the device when in use, and solving the problem that the food contact material decolorization test wiping device in the prior art cannot quickly switch different simulants 8 according to different food contact materials during actual use. The problem of food contact material decolorization wiping test can be solved by adjusting the distance between the simulant 8 and the contact material through the setting of the adjustment component, so that the contact material and the simulant 8 are in close contact. The setting of the reciprocating component can drive the bracket 3, the first motor 4, the adjustment component, the fixing box 6, the clamping component and the simulant 8 to slide back and forth in the horizontal direction to wipe the contact material, so as to complete the food contact material decolorization wiping test. The setting of the cylinder 11 can adjust the wiping force between the simulant 8 and the contact material by controlling the extension length of the output end of the cylinder 11, so as to solve the problem that the wiping device for the food contact material decolorization test in the prior art cannot adjust the wiping force during the contact material wiping test in the actual use process, resulting in a large error in the experiment.The force between the simulant 8 and the contact material during the wiping process is 1kg and the error is controlled within 0.2kg.

[0019] In this embodiment, wheels 41 are disposed at the four corners of the bottom end of the machine 1, and the wheels 41 are self-locking universal wheels.

[0020] In this embodiment, the reciprocating assembly includes a second motor 33, a turntable 34, a guide rod 35, a slide plate 36, a slide groove 37, a rotating rod 38, a third slide 39 and a slide rod 40. The second motor 33 is arranged at the rear end of the housing 2, and the output end of the second motor 33 extends to the inner cavity of the housing 2 and is fixedly connected to the center of the turntable 34. The two guide rods 35 are arranged at the front side of the inner cavity of the housing 2, and the slide plate 36 can be slidably sleeved on the outer walls of the two guide rods 35. The slide groove 37 is opened on the rear side of the slide plate 36. The rotating rod 38 is eccentrically arranged at the front end of the turntable 34 and can be slidably embedded in the inner cavity of the slide groove 37. The third slide 39 is opened. Located at the front end of the casing 2, the slide rod 40 is slidably embedded in the inner cavity of the third slideway 39, one end of the slide rod 40 is fixedly connected to the slide plate 36, and the other end of the slide rod 40 is fixedly connected to the bracket 3, so that the second motor 33 drives the turntable 34 and the rotating rod 38 to rotate, and then the rotating rod 38 pushes the slide groove 37 to drive the slide plate 36 to slide back and forth left and right under the limiting action of the two guide rods 35, and then the slide rod 40 drives the bracket 3, the first motor 4, the adjustment component, the fixed box 6, the clamping component and the simulation object 8 to slide back and forth left and right along the horizontal direction to wipe the contact material, thereby completing the food contact material decolorization wiping test.

[0021] In this embodiment, the adjustment component includes a fixed cylinder 20, a second motor 21, a screw 22, a moving cylinder 23 and a connecting component. The fixed cylinder 20 is arranged on the outer wall circumference of the rotating column 5, the second motor 21 is arranged at the bottom end of the inner cavity of the fixed cylinder 20, the screw 22 is fixedly connected to the output end of the second motor 21, the moving cylinder 23 is screwed on the outer wall of the screw 22 and fixedly connected to one side of the outer wall of the fixed box 6, and the two connecting components are respectively arranged on both sides of the inner wall of the fixed cylinder 20 and are fixedly connected to the outer wall of the moving cylinder 23, so that the second motor 21 drives the screw 22 to rotate. Under the action of the rotational force of the outer wall thread of the screw 22, when the screw 22 rotates, the moving cylinder 23 can be extended out of the inner cavity of the fixed cylinder 20 along a straight line under the limiting action of the connecting block 25 and the connecting groove 24, so as to adjust the distance between the simulation 8 and the contact material, so that the contact material is in close contact with the simulation 8.

[0022] In this embodiment, the connecting component includes a connecting groove 24 and a connecting block 25. The connecting groove 24 is opened on one side of the inner wall of the fixed cylinder 20. The connecting block 25 can be slidably embedded in the inner cavity of the connecting groove 24 and fixedly connected to the outer wall of the movable cylinder 23. The inner cavity of the connecting groove 24 and the outer wall of the connecting block 25 are adapted to each other and are both dovetail-shaped.

[0023] In this embodiment, the clamping assembly includes a screw rod 26, a knob 27, a slider 28, a second slide 29, a moving rod 30, a clamp plate 7 and a limit assembly. One end of the screw rod 26 is rotatably connected to the rear side of the inner cavity of the fixed box 6 through a bearing, and the other end of the screw rod 26 extends to the front end of the housing 2 and is fixedly connected to the knob 27. The two sliders 28 are respectively screwed to the front and rear sides of the outer wall of the screw rod 26. The second slide 29 is opened at the top of the fixed box 6. The two moving rods 30 can be slidably embedded in the inner cavity of the second slide 29. One end of the two moving rods 30 is respectively fixedly connected to the two sliders 28, and the other ends of the two moving rods 30 are respectively It extends to the front and rear sides of the top of the fixed box 6 and is fixedly connected to the two clamps 7 respectively. The limiting assembly is arranged at the bottom end of the inner cavity of the fixed box 6 and is fixedly connected to the bottom ends of the two sliders 28. The threads on the front and rear sides of the outer wall of the screw rod 26 are relatively arranged. The knob 27 is rotated to drive the screw rod 26 to rotate, so that the threads on the front and rear sides of the outer wall of the screw rod 26 produce relative thread rotation force, so that the two sliders 28 slide toward the middle of the screw rod 26 at the same time under the limiting action of the slide rail 31 and the moving block 32, and then the two moving rods 30 respectively drive the two clamps 7 to slide toward the middle of the top of the fixed box 6 at the same time to clamp the simulation object 8.

[0024] In this embodiment, the limiting assembly includes a slide rail 31 and a moving block 32. The slide rail 31 is opened at the bottom end of the inner cavity of the fixed box 6. The two moving blocks 32 can be slidably embedded in the inner cavity of the slide rail 31 and are respectively fixedly connected to the two sliders 28. The inner cavity of the slide rail 31 is adapted to fit the outer wall of the moving block 32 and are both in a "T" shape.

[0025] In this embodiment, the moving component includes a first motor 42, a rotating shaft 13, a gear 14, an anti-slip component, a rack 17, a first slide 18 and a connecting rod 19. The first motor 42 is arranged at the bottom end of the inner cavity of the machine 1, the rotating shaft 13 is fixedly connected to the output end of the first motor 42, the top end of the rotating shaft 13 is rotatably connected to the top end of the inner cavity of the machine 1 through a bearing, the gear 14 is fixedly sleeved on the outer wall of the rotating shaft 13, two anti-slip components are respectively arranged on the front and rear sides of the inner cavity of the machine 1, the two racks 17 are respectively arranged on the side close to each other of the two anti-slip components and are meshed with the gear 14, the two first slides 18 are respectively opened on the left and right sides of the top of the machine 1, and the two connecting rods 19 are respectively slidable. Embedded in the inner cavity of the two first slideways 18, one end of the two connecting rods 19 is fixedly connected to the two racks 17, and the other ends of the two connecting rods 19 are fixedly connected to the bottom ends of the two movable plates 9. The first motor 42 is started to drive the gear 14 to rotate through the rotating shaft 13. Since the two racks 17 are meshed with the gear 14, when the gear 14 rotates, the two racks 17 can slide relative to each other at the same time under the limiting action of the limit groove 15 and the limit block 16, so that the two connecting rods 19 respectively drive the two movable plates 9, the top plate 10, the cylinder 11 and the clamping plate 12 to slide relative to each other at the same time, so that the two clamping plates 12 are respectively located on the left and right sides of the top of the contact material.

[0026] In this embodiment, the anti-slip component includes a limiting groove 15 and a limiting block 16. The limiting groove 15 is opened on one side of the inner wall of the machine 1. The limiting block 16 can be slidably embedded in the inner cavity of the limiting groove 15 and fixedly connected to the rack 17. The inner cavity of the limiting groove 15 and the outer wall of the limiting block 16 are matched and both are in a "T" shape.

[0027] A method for using a food contact material decolorization test wiping device, using the device in claims 1-9, comprising the following steps: S1, place the release material on the top of the machine 1, use the moving assembly to move the clamping plate 12 to the left and right sides of the top of the contact material, start the cylinder 11, extend the output end of the cylinder 11, and make the clamping plate 12 clamp and fix the contact material; S2, using the first motor 4 to drive the rotating column 5, the adjusting component, the fixing box 6, the clamping component and the simulant 8 to rotate, so that the simulant 8 corresponding to the contact material is located above the contact material, and the distance between the simulant 8 and the contact material is adjusted by the adjusting component, so that the contact material and the simulant 8 are in close contact; S3, the reciprocating assembly drives the bracket 3, the first motor 4, the adjusting assembly, the fixing box 6, the clamping assembly and the simulant 8 to slide back and forth horizontally to wipe the contact material, thereby completing the food contact material decolorization wiping test.

[0028] The use method and advantages of the present invention: When in use, the working process is as follows: Place the contact material in the middle of the top of the machine 1, start the first motor 42, and make the first motor 42 drive the gear 14 to rotate through the rotating shaft 13. Since the two racks 17 are meshed with the gear 14, when the gear 14 rotates, the two racks 17 can slide relatively at the same time under the limiting action of the limiting groove 15 and the limiting block 16, so that the two connecting rods 19 respectively drive the two moving plates 9, the top plate 10, the cylinder 11 and the clamping plate 12 to slide relatively at the same time, so that the two clamping plates 12 are respectively located on the left and right sides of the top of the contact material, start the cylinder 11, and extend the output end of the cylinder 11, so that the clamping plate 12 cooperates with the top of the machine 1 to clamp and fix the contact material to prevent it from moving during the wiping process; Place the simulant 8 between the two clamping plates 7, rotate the knob 27, and make the knob 27 drive the screw rod 26 to rotate, so that the threads opposite to each other on the front and rear sides of the outer wall of the screw rod 26 generate relative thread rotation force, so that the two sliders 28 slide toward the middle of the screw rod 26 at the same time under the limiting action of the slide rail 31 and the moving block 32, and then make the two moving rods 30 respectively drive the two clamping plates 7 to slide toward the middle of the top of the fixing box 6 at the same time to clamp the simulant 8, start the first motor 4, and make the first motor 4 drive the rotating column 5, the adjusting assembly, the fixing box 6, the clamping assembly and the simulant 8 to rotate, so that the simulant 8 corresponding to the contact material is located above the contact material; The second motor 21 is started to drive the screw 22 to rotate. Under the action of the rotational force of the outer wall of the screw 22, when the screw 22 rotates, the movable cylinder 23 can be extended out of the inner cavity of the fixed cylinder 20 along a straight line under the limiting action of the connecting block 25 and the connecting groove 24, so as to adjust the distance between the simulant 8 and the contact material, so that the contact material and the simulant 8 are in close contact. The second motor 33 is started, so that the second motor 33 drives the rotating disk 34 and the rotating rod 38 to rotate, and then the rotating rod 38 pushes the sliding groove 37 to drive the sliding plate 36 to slide back and forth left and right under the limiting action of the two guide rods 35, and then the sliding rod 40 drives the bracket 3, the first motor 4, the adjusting component, the fixing box 6, the clamping component and the simulant 8 to slide back and forth left and right along the horizontal direction to wipe the contact material, and the food contact material decolorization wiping test is completed. Through the setting of the reciprocating component, the bracket, the first motor, the adjusting component, the fixing box, the clamping component and the simulant can be driven to slide back and forth along the horizontal direction. The contact material is wiped by sliding back and forth in the left and right directions to complete the food contact material decolorization wiping test. The wiping force between the simulant and the contact material is adjusted by adjusting the component, which solves the problem that the wiping force of the contact material wiping experiment in the prior art cannot be adjusted during actual use, resulting in large errors in the experiment. The wiping area can be adjusted by controlling the forward and reverse switching of the second motor in the reciprocating component, and the wiping frequency can be adjusted by controlling the rotation speed of the second motor in the reciprocating component.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. Technical personnel in this industry should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A food contact material decolorization test wiping device, comprising a machine (1), Features: A housing (2) is arranged at the rear side of the top of the machine platform (1); a reciprocating assembly is arranged in the inner cavity of the housing (2); the front end of the reciprocating assembly extends to the front end of the housing (2) and is fixedly connected to a bracket (3); a first motor (4) is arranged at the right end of the bracket (3); the output end of the first motor (4) extends to the inner cavity of the bracket (3); a rotating column (5) is rotatably connected to the left side of the inner cavity of the bracket (3) via a bearing; the right end of the rotating column (5) is fixedly connected to the output end of the motor; a plurality of adjustment components are equidistantly connected to the outer wall circumference of the rotating column (5) along the circumferential direction; each of the adjustment components A fixed box (6) is provided at one end of the component away from the rotating column (5), and a clamping assembly is provided in the inner cavity of each of the fixed boxes (6). The clamping assembly extends to the outside of the fixed box (6) and clamps the simulated object (8). A moving assembly is provided in the inner cavity of the machine table (1), and the left and right sides of the top of the moving assembly extend to the left and right sides of the top of the machine table (1) and are respectively fixedly connected to moving plates (9). A top plate (10) is provided on the moving plate (9), and a cylinder (11) is fixedly embedded in the middle of the top plate (10), and a clamping plate (12) is fixedly connected to the output end of the cylinder (11).

2. A food contact material decolorization test wiping device according to claim 1, Features: Wheels (41) are arranged at four corners of the bottom end of the machine (1), and the wheels (41) are self-locking universal wheels.

3. A food contact material decolorization test wiping device according to claim 1, Features: The reciprocating assembly comprises a second motor (33), a rotating disk (34), a guide rod (35), a slide plate (36), a slide groove (37), a rotating rod (38), a third slideway (39) and a slide rod (40), wherein the second motor (33) is arranged at the rear end of the housing (2), an output end of the second motor (33) extends to the inner cavity of the housing (2) and is fixedly connected to the center of the rotating disk (34), the two guide rods (35) are arranged at the front side of the inner cavity of the housing (2), and the slide plate (36) is slidable. The sliding groove (37) is sleeved on the outer walls of the two guide rods (35), the sliding groove (37) is opened on the rear side of the slide plate (36), the rotating rod (38) is eccentrically arranged at the front end of the rotating disk (34) and can be slidably embedded in the inner cavity of the sliding groove (37), the third slideway (39) is opened at the front end of the housing (2), the sliding rod (40) can be slidably embedded in the inner cavity of the third slideway (39), one end of the sliding rod (40) is fixedly connected to the slide plate (36), and the other end of the sliding rod (40) is fixedly connected to the bracket (3).

4. A food contact material decolorization test wiping device according to claim 1, Features: The adjustment assembly comprises a fixed cylinder (20), a second motor (21), a screw (22), a movable cylinder (23) and a connecting assembly. The fixed cylinder (20) is arranged on the circumference of the outer wall of the rotating column (5). The second motor (21) is arranged at the bottom end of the inner cavity of the fixed cylinder (20). The screw (22) is fixedly connected to the output end of the second motor (21). The movable cylinder (23) is screwed to the outer wall of the screw (22) and is fixedly connected to one side of the outer wall of the fixed box (6). The two connecting assemblies are respectively arranged on both sides of the inner wall of the fixed cylinder (20) and are fixedly connected to the outer wall of the movable cylinder (23).

5. A food contact material decolorization test wiping device according to claim 4, Features: The connection assembly comprises a connection groove (24) and a connection block (25); the connection groove (24) is formed on one side of the inner wall of the fixed cylinder (20); the connection block (25) is slidably embedded in the inner cavity of the connection groove (24) and fixedly connected to the outer wall of the movable cylinder (23); the inner cavity of the connection groove (24) and the outer wall of the connection block (25) are adapted to fit each other and are both dovetail-shaped.

6. A food contact material decolorization test wiping device according to claim 1, Features: The clamping assembly comprises a screw rod (26), a knob (27), a slider (28), a second slideway (29), a moving rod (30), a clamping plate (7) and a limit assembly, one end of the screw rod (26) is rotatably connected to the rear side of the inner cavity of the fixed box (6) through a bearing, the other end of the screw rod (26) extends to the front end of the housing (2) and is fixedly connected to the knob (27), the two sliders (28) are respectively screwed to the front and rear sides of the outer wall of the screw rod (26), the second slideway (29) is opened in the fixed box (6) ), the two moving rods (30) are slidably embedded in the inner cavity of the second slideway (29), one end of the two moving rods (30) is fixedly connected to the two sliders (28) respectively, the other ends of the two moving rods (30) extend to the front and rear sides of the top of the fixed box (6) and are fixedly connected to the two clamping plates (7) respectively, the limit assembly is arranged at the bottom end of the inner cavity of the fixed box (6) and is fixedly connected to the bottom ends of the two sliders (28), and the threads on the front and rear sides of the outer wall of the screw rod (26) are arranged opposite to each other.

7. A food contact material decolorization test wiping device according to claim 6, Features: The limit assembly comprises a slide rail (31) and a moving block (32); the slide rail (31) is provided at the bottom end of the inner cavity of the fixed box (6); the two moving blocks (32) are slidably embedded in the inner cavity of the slide rail (31) and are respectively fixedly connected to two sliders (28); the inner cavity of the slide rail (31) and the outer wall of the moving block (32) are matched and both are in a "T" shape.

8. A food contact material decolorization test wiping device according to claim 1, Features: The moving assembly comprises a first motor (42), a rotating shaft (13), a gear (14), an anti-slip assembly, a rack (17), a first slideway (18) and a connecting rod (19); the first motor (42) is arranged at the bottom end of the inner cavity of the machine (1); the rotating shaft (13) is fixedly connected to the output end of the first motor (42); the top end of the rotating shaft (13) is rotatably connected to the top end of the inner cavity of the machine (1) via a bearing; the gear (14) is fixedly sleeved on the outer wall of the rotating shaft (13); and the two anti-slip assemblies are respectively arranged On the front and rear sides of the inner cavity of the machine (1), the two racks (17) are respectively arranged on the sides of the two anti-slip components close to each other and are meshed with the gear (14); the two first slideways (18) are respectively opened on the left and right sides of the top of the machine (1); the two connecting rods (19) are respectively slidably embedded in the inner cavities of the two first slideways (18); one end of the two connecting rods (19) is respectively fixedly connected to the two racks (17); and the other end of the two connecting rods (19) is respectively fixedly connected to the bottom ends of the two movable plates (9).

9. A food contact material decolorization test wiping device according to claim 8, Features: The anti-drop assembly comprises a limit groove (15) and a limit block (16); the limit groove (15) is provided on one side of the inner wall of the machine platform (1); the limit block (16) is slidably embedded in the inner cavity of the limit groove (15) and is fixedly connected to the rack (17); the inner cavity of the limit groove (15) and the outer wall of the limit block (16) are matched and both are in a "T" shape.

10. A method for using a wiping device for a food contact material decolorization test, Features: Using the device in claims 1-9 comprises the following steps: S1, placing the release material on the top of the machine table (1), using the moving assembly to move the clamping plate (12) to the left and right sides of the top of the contact material, starting the cylinder (11), so that the output end of the cylinder (11) extends, so that the clamping plate (12) clamps and fixes the contact material; S2, using the first motor (4) to drive the rotating column (5), the adjusting component, the fixing box (6), the clamping component and the simulant (8) to rotate, so that the simulant (8) corresponding to the contact material is located above the contact material, and adjusting the distance between the simulant (8) and the contact material by using the adjusting component, so that the contact material and the simulant (8) are in close contact; S3, the reciprocating assembly drives the bracket (3), the first motor (4), the adjustment assembly, the fixing box (6), the clamping assembly and the simulant (8) to slide back and forth horizontally to wipe the contact material, thereby completing the food contact material decolorization wiping test.

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