A device for detecting the anti-sticking property of a PVC lubricant

Abstract

This utility model provides a device for testing the anti-sticking properties of PVC lubricant, belonging to the technical field of testing devices. It includes: a fixed base; a mounting frame centrally connected to the rear of the top surface of the fixed base; two mounting brackets symmetrically fixed to the outside of the mounting frame; a lower clamp centrally connected to the top surface of the fixed base; a drive motor bolted to the center of the top surface of the mounting frame; a lifting screw coaxially fixed to the lower part of the drive motor shaft; and a control slide threadedly connected to the external part of the lifting screw. After the sample is placed, the movement of the control slide drives a series of transmissions to move the threaded sleeve, which in turn moves the lower clamp, fixing the lower sample. This solves the problem of the cumbersome operation of first fixing the lower sample in the lower clamp and then starting the drive motor to fix the upper clamp.

Description

Technical Field

[0001] This utility model relates to the field of testing device technology, and in particular to a testing device for the anti-sticking properties of PVC lubricant. Background Technology

[0002] Because PVC materials are prone to sticking to equipment during processing and to mutual adhesion during storage and use due to their polarity or viscosity, workers usually need to test the anti-sticking properties of PVC lubricants to verify whether lubricants can effectively reduce these adhesions and ensure continuous and stable processing. To facilitate the testing of the anti-sticking properties of PVC lubricants, an anti-sticking performance testing device is usually used. Existing anti-sticking performance testing devices typically consist of a fixed base, a lower clamp, an upper clamp, a drive motor, and a transmission screw. By placing a sample with lubricant attached onto the lower clamp for fixation, and then fixing the sample with the upper clamp, the drive motor is started, causing the transmission screw to move the upper clamp to separate the sample. The anti-sticking performance of the PVC lubricant is evaluated by the magnitude of the separation force and the anti-sticking efficiency.

[0003] However, with current traditional anti-adhesion performance testing devices, the process of testing anti-adhesion performance requires the operator to place the sample on the lower fixture, fix the lower sample in the lower fixture, and then start the drive motor to fix the upper fixture on the upper sample. The operation is cumbersome, especially in batch testing, which increases the labor intensity of the operators and is inconvenient to use. Utility Model Content

[0004] In view of this, the present invention provides a device for testing the anti-sticking properties of PVC lubricant, which has the feature of reducing the number of steps required for operators.

[0005] This utility model provides a device for testing the anti-sticking properties of PVC lubricant, specifically including: a fixed base; a mounting frame is fixedly connected to the rear of the top surface of the fixed base; two mounting brackets are symmetrically fixedly connected to the outside of the mounting frame; a lower clamp is fixedly connected to the top surface of the fixed base; a drive motor is bolted to the top surface of the mounting frame; a lifting screw is coaxially fixedly connected to the lower part of the drive motor shaft; a control slide is threaded to the outside of the lifting screw; the control slide is slidably connected inside the mounting frame; a tension sensor is provided on the bottom end of the control slide; an upper clamp is provided below the tension sensor; the upper clamp and the lower clamp are aligned; two electric push rods are symmetrically bolted to the outside of the upper clamp; upper clamping plates are fixedly connected to the ends of the output shafts of the two electric push rods; both upper clamping plates are slidably connected inside the upper clamp.

[0006] Optionally, the lower clamp has multiple sets of positioning slides symmetrically slidably connected inside; the inner sides of each set of positioning slides are fixedly connected to multiple sets of connecting springs; and the ends of each set of connecting springs are fixedly connected inside the lower clamp.

[0007] Optionally, the control slide is symmetrically fixedly connected to multiple sets of transmission racks; the mounting frame is symmetrically rotatably connected to multiple sets of transmission shafts; each of the multiple sets of transmission shafts is coaxially fixedly connected to a transmission gear; and the multiple sets of transmission gears mesh with the multiple sets of transmission racks respectively.

[0008] Optionally, a first pulley is coaxially fixedly connected to the outside of each of the multiple sets of transmission shafts; a control shaft is rotatably connected to the lower part of each of the two mounting brackets; a second pulley is coaxially fixedly connected to the outside of each of the multiple sets of control shafts; and the multiple sets of second pulleys are respectively connected to the multiple sets of first pulleys via transmission belts.

[0009] Optionally, a first bevel gear is coaxially fixedly connected to the outside of each of the multiple sets of control shafts; a connecting shaft is rotatably connected to each of the two mounting brackets; a second bevel gear is coaxially connected to the outside of each of the multiple sets of connecting shafts; and the multiple sets of second bevel gears mesh with the multiple sets of first bevel gears respectively.

[0010] Optionally, multiple sets of connecting shafts are coaxially fixedly connected to the outside of a control worm gear; control screws are rotatably connected to the inside of each of the two mounting brackets; control worm wheels are coaxially fixedly connected to the outside of multiple sets of control screws; multiple sets of control worm wheels mesh with multiple sets of control worm gears respectively; threaded sleeves are threadedly connected to the outside of multiple sets of control screws; multiple sets of threaded sleeves are slidably connected to the inside of the lower clamp; lower clamping plates are fixedly connected to the ends of multiple sets of threaded sleeves; multiple sets of lower clamping plates are slidably connected to the inside of the lower clamp.

[0011] Beneficial effects

[0012] In testing the anti-adhesion properties of PVC lubricant, this invention, after placing the sample, moves the control slide, which in turn moves the transmission rack. This movement in turn drives the meshing transmission gear to rotate, which in turn drives the control screw to rotate. The rotation of the control screw then moves the threaded sleeve, which in turn moves the lower clamping plate, thus fixing the sample in place. This eliminates the need for additional clamping of the sample, reducing the number of steps required by the operator. The operation is simple and quick, effectively reducing the labor intensity of the workers and improving the practicality and ease of use of the anti-adhesion testing device.

[0013] After the sample is placed in the lower fixture, the positioning slide is squeezed, causing it to move to both sides and compress the connecting spring. Under the action of the elastic potential energy of the connecting spring, the positioning slide will position the sample and initially fix it, effectively improving the convenience of the anti-adhesion performance testing device and making it more convenient to use. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0015] In the attached diagram:

[0016] Figure 1 This is a schematic diagram of the isometric structure of this utility model.

[0017] Figure 2 This is a cross-sectional structural diagram of the present invention.

[0018] Figure 3 This is a right-side isometric structural schematic diagram of the mounting frame of this utility model.

[0019] Figure 4 This is a utility model Figure 3 A magnified structural diagram at point A.

[0020] Figure 5 This is a cross-sectional structural diagram of the threaded sleeve of this utility model.

[0021] Figure 6 This is an isometric structural diagram of the lower clamp of this utility model.

[0022] Figure 7 This is an isometric structural diagram of the upper clamp of this utility model.

[0023] List of reference numerals

[0024] 1. Fixed base; 101. Mounting frame; 102. Drive motor; 103. Control slide; 104. Tension sensor; 105. Upper clamp; 106. Mounting bracket; 107. Lifting screw; 108. Lower clamp; 109. Transmission rack; 110. Transmission shaft; 111. Transmission gear; 112. First pulley; 113. Control shaft; 114. Second pulley; 115. First bevel gear; 116. Connecting shaft; 117. Second bevel gear; 118. Control worm gear; 119. Control screw; 120. Control worm wheel; 121. Threaded sleeve; 122. Lower clamping plate; 123. Positioning slide; 124. Connecting spring; 125. Upper clamping plate; 126. Electric push rod. Detailed Implementation

[0025] To make the objectives, solutions, and advantages of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Unless otherwise stated, the terms used herein have their ordinary meanings in the art. The same reference numerals in the drawings represent the same parts.

[0026] Example 1:

[0027] This utility model proposes a device for testing the anti-sticking properties of PVC lubricant. Please refer to [reference needed]. Figures 1 to 7 Includes: a fixed base 1;

[0028] A mounting frame 101 is centrally fixedly connected to the rear of the top surface of the fixed base 1; two mounting brackets 106 are symmetrically fixedly connected to the outside of the mounting frame 101; a lower clamp 108 is centrally fixedly connected to the top surface of the fixed base 1; a drive motor 102 is bolted centrally connected to the top surface of the mounting frame 101; a lifting screw 107 is coaxially fixedly connected to the lower part of the shaft of the drive motor 102; a control slide 103 is threadedly connected to the outside of the lifting screw 107; the control slide... The seat 103 is slidably connected within the mounting frame 101; a tension sensor 104 is provided on the bottom surface of the control slide 103; an upper clamp 105 is provided below the tension sensor 104; the upper clamp 105 and the lower clamp 108 are aligned; two electric push rods 126 are symmetrically bolted to the outside of the upper clamp 105; the ends of the output shafts of the two electric push rods 126 are fixedly connected to upper clamping plates 125; the two upper clamping plates 125 are slidably connected within the upper clamp 105.

[0029] The lower clamp 108 is symmetrically slidably connected to multiple sets of positioning slides 123; multiple sets of connecting springs 124 are fixedly connected to the inner side of each set of positioning slides 123; and the ends of each set of connecting springs 124 are fixedly connected to the lower clamp 108.

[0030] The control slide 103 is symmetrically fixedly connected to multiple sets of transmission racks 109; the mounting frame 101 is symmetrically rotatably connected to multiple sets of transmission shafts 110; each set of transmission shafts 110 is coaxially fixedly connected to a transmission gear 111; the multiple sets of transmission gears 111 mesh with the multiple sets of transmission racks 109 respectively.

[0031] Each of the multiple sets of transmission shafts 110 is coaxially fixedly connected to a first pulley 112; the lower part of each of the two mounting brackets 106 is rotatably connected to a control shaft 113; each of the multiple sets of control shafts 113 is coaxially fixedly connected to a second pulley 114; the multiple sets of second pulleys 114 are respectively connected to the multiple sets of first pulleys 112 via transmission belts.

[0032] Multiple sets of control shafts 113 are coaxially fixedly connected to the outside of a first bevel gear 115; two mounting brackets 106 are rotatably connected to a connecting shaft 116; multiple sets of connecting shafts 116 are coaxially connected to the outside of a second bevel gear 117; multiple sets of second bevel gears 117 mesh with multiple sets of first bevel gears 115 respectively.

[0033] The specific usage and function of this embodiment are as follows: When testing the anti-sticking performance of PVC lubricant, two sample pieces are selected, PVC lubricant is applied between the two sample pieces, and the sample pieces with PVC lubricant are then bonded together. The bonded sample is placed in a constant temperature oven under a pressure device. After pressure is applied, the sample that has been subjected to constant temperature and pressure is removed and allowed to stand at room temperature for 30 minutes to eliminate the influence of temperature on the elasticity of the material. One end of the sample is gently peeled off about 10mm, and then the sample is placed in the lower clamp 108. After the sample is placed in the lower clamp 108, the positioning slide 123 is squeezed, causing the positioning slide 123 to move to both sides and squeeze the connecting spring 124. Under the action of the elastic potential energy of the connecting spring 124 itself, the positioning slide 123 will position the sample. After the sample is positioned, the drive motor 102 is then started, causing the drive motor 102 to drive the lifting screw 107. The lifting screw 107 rotates, causing the control slide 103 to move. This movement of the control slide 103 causes the transmission rack 109 to move, which in turn causes the transmission gear 111 to rotate. The rotation of the transmission gear 111 causes the transmission shaft 110 to rotate, which in turn causes the first pulley 112 to rotate. The rotation of the first pulley 112 causes the second pulley 114 to rotate via the transmission belt. The rotation of the second pulley 114 causes the control shaft 113 to rotate, which in turn causes the first bevel gear 115 to rotate. The rotation of the first bevel gear 115 causes the second bevel gear 117 to rotate, which in turn causes the connecting shaft 116 to rotate.

[0034] Example 2:

[0035] Based on Example 1, please refer to Figures 1 to 5The system includes: a control worm 118, a control screw 119, a control worm wheel 120, a threaded sleeve 121, and a lower clamping plate 122. Multiple sets of connecting shafts 116 are coaxially and fixedly connected to the outside of the control worm 118. Control screws 119 are rotatably connected within both mounting brackets 106. Multiple sets of control screws 119 are coaxially and fixedly connected to the outside of the control worm wheel 120. Multiple sets of control worm wheels 120 mesh with multiple sets of control worms 118. Threaded sleeves 121 are threadedly connected to the outside of the multiple sets of control screws 119. Multiple sets of threaded sleeves 121 are slidably connected within the lower clamping plate 108. The ends of multiple sets of threaded sleeves 121 are fixedly connected to the lower clamping plate 122. Multiple sets of lower clamping plates 122 are slidably connected within the lower clamping plate 108.

[0036] The specific usage and function of this embodiment are as follows: During the rotation of the connecting shaft 116, the control worm 118 will rotate. The rotation of the control worm 118 will drive the meshing control worm wheel 120 to rotate. The rotation of the control worm wheel 120 will drive the control screw 119 to rotate. The rotation of the control screw 119 will drive the threaded sleeve 121 to move. The movement of the threaded sleeve 121 will drive the lower clamping plate 122 to move, thus fixing the lower sample piece. As the upper... The clamp 105 moves to align the upper clamp 105 with the upper sample. Then, the electric push rod 126 is activated, which drives the upper clamping plate 125 to move. As the upper clamping plate 125 moves, it clamps the upper sample. Then, the drive motor 102 is activated to reverse, causing the upper clamp 105 to move upward and causing the upper clamp 105 to separate the upper sample. The separation force during sample separation is recorded by the tension sensor 104. The anti-sticking performance of the PVC lubricant is evaluated by the magnitude of the separation force and the anti-sticking efficiency.

[0037] The following points should be noted in this article:

[0038] 1. The accompanying drawings of this embodiment only involve the structures involved in this embodiment; other structures can refer to the general design.

[0039] 2. Where there is no conflict, this embodiment and the features in the embodiment can be combined with each other to obtain new embodiments.

[0040] The above are merely specific implementations of this embodiment, but the protection scope of this embodiment is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this embodiment should be included within the protection scope of this embodiment. Therefore, the protection scope of this embodiment should be determined by the protection scope of the claims.

Claims

1. A device for detecting the anti-stick properties of a PVC lubricant, comprising: A fixed base (1); a mounting frame (101) is centrally fixedly connected to the rear of the top surface of the fixed base (1); two mounting brackets (106) are symmetrically fixedly connected to the outside of the mounting frame (101); a lower clamp (108) is centrally fixedly connected to the top surface of the fixed base (1); characterized in that a drive motor (102) is bolted centrally connected to the top surface of the mounting frame (101); a lifting screw (107) is coaxially fixedly connected to the lower part of the shaft of the drive motor (102); a control slide (103) is threadedly connected to the outside of the lifting screw (107); the control... The control slide (103) is slidably connected within the mounting frame (101); a tension sensor (104) is provided on the bottom surface of the control slide (103); an upper clamp (105) is provided at the lower part of the tension sensor (104); the upper clamp (105) and the lower clamp (108) are aligned; two electric push rods (126) are symmetrically bolted to the outside of the upper clamp (105); an upper clamping plate (125) is fixedly connected to the end of the output shaft of each of the two electric push rods (126); both upper clamping plates (125) are slidably connected within the upper clamp (105).

2. A device for detecting the anti-stick properties of a PVC lubricant as claimed in claim 1, characterized in that: The lower clamp (108) has multiple sets of positioning slides (123) symmetrically slidably connected inside; the inner side of each set of positioning slides (123) is fixedly connected to multiple sets of connecting springs (124); the ends of each set of connecting springs (124) are fixedly connected inside the lower clamp (108).

3. A device for detecting the anti-sticking property of a PVC lubricant as claimed in claim 1, characterized in that: The control slide (103) is symmetrically fixedly connected to multiple sets of transmission racks (109); the mounting frame (101) is symmetrically rotatably connected to multiple sets of transmission shafts (110); each set of transmission shafts (110) is coaxially fixedly connected to a transmission gear (111); the multiple sets of transmission gears (111) mesh with the multiple sets of transmission racks (109) respectively.

4. A device for testing the anti-stick properties of a PVC lubricant as claimed in claim 3, characterized in that: The external parts of the multiple sets of transmission shafts (110) are all coaxially fixedly connected to first pulleys (112); the lower parts of the two mounting brackets (106) are all rotatably connected to control shafts (113); the external parts of the multiple sets of control shafts (113) are all coaxially fixedly connected to second pulleys (114); the multiple sets of second pulleys (114) are respectively connected to the multiple sets of first pulleys (112) via transmission belts.

5. A device for testing the anti-stick properties of a PVC lubricant as claimed in claim 4, characterized in that: The external parts of the multiple sets of control shafts (113) are all coaxially fixedly connected to first bevel gears (115); the two mounting brackets (106) are all rotatably connected to connecting shafts (116); the external parts of the multiple sets of connecting shafts (116) are all coaxially connected to second bevel gears (117); the multiple sets of second bevel gears (117) mesh with the multiple sets of first bevel gears (115) respectively.

6. A device for detecting the anti-stick properties of a PVC lubricant as claimed in claim 5, characterized in that: Multiple sets of connecting shafts (116) are coaxially fixedly connected to the outside of a control worm gear (118); control screws (119) are rotatably connected inside the two mounting brackets (106); control worm wheels (120) are coaxially fixedly connected to the outside of multiple sets of control screws (119); multiple sets of control worm wheels (120) mesh with multiple sets of control worm gears (118); threaded sleeves (121) are threadedly connected to the outside of multiple sets of control screws (119); multiple sets of threaded sleeves (121) are slidably connected inside the lower clamp (108); lower clamping plates (122) are fixedly connected to the ends of multiple sets of threaded sleeves (121); multiple sets of lower clamping plates (122) are slidably connected inside the lower clamp (108).

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