A testing device for preparing silicone tape

Abstract

The present invention mainly relates to the field of tape testing technology, and specifically relates to a testing device for preparing silicone tape, comprising: a base; a pair of supporting columns symmetrically arranged on both sides of the top of the base; a fixed clamping module and a dynamic clamping module respectively arranged on opposite sides of the two supporting columns; wherein the dynamic clamping module is rotatably connected to a displacement slide through a first rotating shaft; a pair of horizontally extending guide elements are arranged in parallel on the displacement slide, namely a first driving screw and a first guide slide; the first driving screw and the displacement slide form a threaded pair, and the first guide slide is fixedly connected to the displacement slide; the first driving screw and the first guide slide are respectively rotatably connected and slidably connected to the corresponding supporting columns; and a multi-mode driving mechanism arranged on the corresponding supporting columns, which can selectively drive: the first rotating shaft to rotate alone; the first driving screw to rotate alone; the first rotating shaft and the first driving screw to rotate synchronously.

Description

Technical Field

[0001] The present invention mainly relates to the technical field of adhesive tape testing, and in particular to a testing device for preparing silicone tape. Background Art

[0002] Silicone tape is widely used in aviation, automotive sealing, medical equipment, electronic packaging and other fields due to its excellent flexibility, weather resistance and sealing properties. Its usage scenarios often involve complex mechanical environments, such as stretching, torsion and composite stress. At present, the industry mostly uses a double-clamp tensile device to test the performance of silicone tape: two clamping mechanisms are used to fix the two ends of the silicone tape and apply horizontal relative displacement to measure its tensile strength and elongation at break. Although this type of equipment can effectively detect shear performance, it has a single function and can only simulate unidirectional tensile conditions. It cannot apply rotational torque, resulting in the lack of key parameters such as torsional strength and torsional fatigue life of silicone tape. In addition, silicone tape is often subjected to tensile-torsion composite stress when it is actually in service (such as dynamic seals and rotary joints). Existing devices cannot simultaneously apply multi-directional loads, so the test results cannot fully guide material formulation optimization and structural design, affecting product reliability evaluation. Summary of the Invention

[0003] 1. Technical problem to be solved by the invention:

[0004] The present invention provides a testing device for preparing a silicone tape, which is used to solve the technical problems existing in the above-mentioned background technology.

[0005] 2. Technical solution:

[0006] To achieve the above-mentioned purpose, the present invention provides a technical solution: a testing device for preparing a silicone tape, comprising:

[0007] base;

[0008] A pair of supporting columns symmetrically arranged on both sides of the top of the base;

[0009] A fixed clamping module and a dynamic clamping module respectively arranged on opposite sides of the two support columns;

[0010] Wherein, the dynamic clamping module is rotatably connected to a displacement slide via a first rotating shaft;

[0011] A pair of horizontally extending guide elements are arranged in parallel on the displacement slide, which are a first driving screw and a first guide slide rod;

[0012] The first driving screw and the displacement slide form a threaded pair, and the first guide slide is fixedly connected to the displacement slide;

[0013] The first driving screw and the first guide slide bar are rotatably coupled and slidably connected to the corresponding support column respectively;

[0014] and, a multi-mode driving mechanism provided on the corresponding supporting pillar;

[0015] The multi-mode drive mechanism is configured to selectively drive:

[0016] a. The first rotating shaft rotates independently;

[0017] b. The first driving screw rotates alone;

[0018] c. The first rotating shaft rotates synchronously with the first driving screw.

[0019] Furthermore, the support column is connected to a first connecting sleeve via a bearing, and the first rotating shaft and the first connecting sleeve are slidably fitted via a cross spline.

[0020] Furthermore, the multi-mode drive mechanism includes a power switching rod driven to horizontally displace between the first driving screw and the first connecting sleeve, a driving gear is fixed on the power switching rod, the first driving screw is coaxially fixed with a first driven gear and a second driven gear, the first connecting sleeve is coaxially fixed with a third driven gear and a fourth driven gear, when the power switching rod is driven to horizontally displace, it can simultaneously engage the first driven gear and the third driven gear, or engage the second driven gear or the fourth driven gear separately.

[0021] Furthermore, a second connecting sleeve is connected to the support column through a bearing, the power switching rod and the second connecting sleeve are slidingly fitted through a cross spline, and one end is connected to a telescopic cylinder, which is rotatably connected to the first mounting plate provided on the support column.

[0022] Furthermore, a servo motor is mounted on the support column through a second mounting plate, the output end of the servo motor extends horizontally and is fixedly connected to the end of a second rotating shaft connected to the support column through a bearing, and a third connecting sleeve is slidably fitted on the second rotating shaft through a cross spline, and the third connecting sleeve and the power switching rod are connected through a synchronous transmission assembly.

[0023] Furthermore, the first driving screw and the first connecting sleeve are respectively provided with a braking mechanism, and the braking mechanism includes a mounting seat fixed on the supporting column, the mounting seat is equipped with an electromagnetic telescope, and a second guide slide rod symmetrically distributed on both sides of the electromagnetic telescope and slidingly matched with the mounting seat, one end of the second guide slide rod and the telescopic end of the electromagnetic telescope are fixed with an arc-shaped brake pad, and the second guide slide rod is sleeved with a return spring, and the two ends of the return spring are respectively fixed to the mounting seat and the limit blocks provided at the other end of the second guide slide rod.

[0024] Furthermore, the fixed clamping module and the dynamic clamping module both include a connecting plate, which has an upper horizontal part and a lower horizontal part. The clamping plate is arranged parallel to the upper horizontal part and the lower horizontal part, and the top is slidably engaged with the upper horizontal part through two fixed third guide slides. The upper horizontal part is located between the two third guide slides and is rotatably connected to a second drive screw rod. The second drive screw rod extends vertically downward and is threadedly engaged with a threaded sleeve fixed on the top of the clamping plate.

[0025] Furthermore, the bottom of the splint is filled with a number of evenly distributed rubber bumps, and a liner is detachably mounted on the top of the lower horizontal portion.

[0026] Furthermore, a slot is horizontally provided on one side of the lower horizontal portion for detachably inserting a gasket, and a plurality of pin holes communicating with the slot are correspondingly provided on the horizontal portion and the gasket, and locking is achieved by inserting a pin rod.

[0027] Furthermore, the first connecting sleeve is provided with a torque dynamometer;

[0028] A tension force measuring device is provided on the top of the base, corresponding to the displacement slide;

[0029] High-speed cameras are provided at corresponding positions of the torque dynamometer and the tension dynamometer.

[0030] 3.Beneficial effects:

[0031] The technical solution provided by the present invention has the following beneficial effects compared with the prior art: after the two ends of the silicone belt to be tested are clamped and fixed by a fixed clamping module and a dynamic clamping module respectively, the multi-mode driving mechanism can be selectively driven to achieve: testing the torsional strength and torsional fatigue life of the silicone belt; testing the tensile strength of the silicone belt; and testing the composite situation of the torsional strength and tensile strength of the silicone belt, so that the test results can more comprehensively guide material formulation optimization and structural design. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0033] Figure 2 This is a schematic diagram of the support column connection structure of the present invention;

[0034] Figure 3 The multi-mode drive mechanism structure of the present invention is shown in FIG. Figure 1 ;

[0035] Figure 4 The multi-mode drive mechanism structure of the present invention is shown in FIG. Figure 2 ;

[0036] Figure 5 It is a schematic structural diagram of the braking mechanism of the present invention;

[0037] Figure 6 It is a schematic diagram of the structure of the fixed clamping module and the dynamic clamping module of the present invention.

[0038] Reference numerals:

[0039] 1. Base; 2. Support column; 3. Fixed clamping module; 4. Dynamic clamping module; 341. Connecting plate; 342. Clamping plate; 343. Third guide slide; 344. Second drive screw; 345. Threaded sleeve; 346. Rubber bump; 347. Gasket; 348. Slot; 349. Pin hole; 3410. Pin; 5. First rotating shaft; 6. Displacement slide; 7. First drive screw; 8. First guide slide; 9. Multi-mode drive mechanism; 901. Power switching lever; 902. Driving gear; 903. First driven gear; 904. Second driven gear; 90 5. Third driven gear; 906. Fourth driven gear; 907. Second connecting sleeve; 908. Telescopic cylinder; 909. First mounting plate; 910. Second mounting plate; 911. Servo motor; 912. Second rotating shaft; 913. Third connecting sleeve; 914. Synchronous transmission assembly; 10. First connecting sleeve; 11. Braking mechanism; 111. Mounting seat; 112. Electromagnetic telescopic device; 113. Second guide slide; 114. Arc brake pad; 115. Return spring; 116. Limit block; 12. Torque dynamometer; 13. Tension dynamometer; 14. High-speed camera. DETAILED DESCRIPTION

[0040] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0041] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention.

[0042] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0043] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connected," "fixed," "provided with," and the like should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0044] Example:

[0045] Refer to the attached Figure 1-6 , a testing device for preparing a silicone tape, comprising:

[0046] Base 1;

[0047] A pair of supporting columns 2 symmetrically arranged on both sides of the top of the base 1;

[0048] A fixed clamping module 3 and a dynamic clamping module 4 are respectively arranged on opposite sides of the two support columns 2;

[0049] The dynamic clamping module 4 is rotatably connected to a displacement slide 6 via a first rotating shaft 5;

[0050] A pair of horizontally extending guide elements are provided in parallel on the displacement slide 6, namely a first driving screw 7 and a first guide slide 8;

[0051] The first driving screw 7 and the displacement slide 6 form a threaded pair, and the first guide slide 8 is fixedly connected to the displacement slide 6;

[0052] The first driving screw 7 and the first guide slide bar 8 are rotatably coupled and slidably connected to the corresponding support column 2 respectively;

[0053] and a multi-mode driving mechanism 9 provided on the corresponding supporting column 2;

[0054] The multi-mode driving mechanism 9 is configured to selectively drive:

[0055] a. The first rotating shaft 5 rotates alone;

[0056] b. The first driving screw 7 rotates alone;

[0057] c. The first rotating shaft 5 and the first driving screw 7 rotate synchronously.

[0058] In the above embodiment, the two ends of the silicone belt to be tested are clamped and fixed by the fixed clamping module 3 and the dynamic clamping module 4 respectively, and then selectively driven by the multi-mode driving mechanism 9:

[0059] When the first rotating shaft 5 rotates alone, the dynamic clamping module 4 rotates synchronously, and the torsional strength and torsional fatigue life of the silicone belt can be tested;

[0060] When the first driving screw 7 rotates alone, it can cooperate with the thread of the displacement slide 6 to drive the displacement slide 6 to move horizontally through the first guide slide 8, and the dynamic clamping module 4 moves synchronously, so that the tensile strength of the silicone belt can be tested;

[0061] The first rotating shaft 5 rotates synchronously with the first driving screw 7, which can drive the dynamic clamping module 4 to rotate and move horizontally at the same time, so as to test the combined condition of the torsional strength and tensile strength of the silicone belt.

[0062] In the above embodiment, the support column 2 is connected to the first connecting sleeve 10 through a bearing, and the first rotating shaft 5 and the first connecting sleeve 10 are slidably fitted through a cross spline to ensure that the first rotating shaft 5 can not only slide in the first connecting sleeve 10 but also rotate synchronously with the first connecting sleeve 10.

[0063] Refer to the attached Figure 3 The multi-mode drive mechanism 9 includes a power switching rod 901 driven to move horizontally between the first driving screw 7 and the first connecting sleeve 10. A driving gear 902 is fixed on the power switching rod 901. The first driving screw 7 is coaxially fixed with a first driven gear 903 and a second driven gear 904. The first connecting sleeve 10 is coaxially fixed with a third driven gear 905 and a fourth driven gear 906. When the power switching rod 901 is driven to move horizontally, it can simultaneously engage the first driven gear 903 and the third driven gear 905, or engage the second driven gear 904 or the fourth driven gear 906 separately.

[0064] In this embodiment, the driven horizontal displacement of the power switching rod 901 is configured as follows:

[0065] When the driving gear 902 is simultaneously engaged with the first driven gear 903 and the third driven gear 905, the power switching lever 901 is driven to rotate, thereby driving the first driving screw 7 and the first connecting sleeve 10 to rotate synchronously, thereby driving the dynamic clamping module 4 to rotate and move horizontally at the same time;

[0066] When the driving gear 902 is engaged with the second driven gear 904 alone, the power switching lever 901 is driven to rotate, thereby driving the first driving screw 7 to rotate, thereby driving the dynamic clamping module 4 to move horizontally;

[0067] When the driving gear 902 is engaged with the fourth driven gear 906 alone, the power switching lever 901 is driven to rotate, thereby driving the first connecting sleeve 10 to rotate, thereby driving the dynamic clamping module 4 to rotate.

[0068] Refer to the attached Figure 3 and 4 , a second connecting sleeve 907 is connected to the support column 2 through a bearing, the power switching rod 901 and the second connecting sleeve 907 are slidably fitted through a cross spline, and one end is connected to a telescopic cylinder 908, and the telescopic cylinder 908 is rotatably connected to the first mounting plate 909 provided on the support column 2; a servo motor 911 is assembled on the support column 2 through a second mounting plate 910, and the output end of the servo motor 911 extends horizontally and is fixedly connected to the end of a second rotating shaft 912 connected to the support column 2 through a bearing, and a third connecting sleeve 913 is slidably fitted on the second rotating shaft 912 through a cross spline, and the third connecting sleeve 913 and the power switching rod 901 are connected through a synchronous transmission assembly 914.

[0069] In this embodiment, the synchronous transmission component 914 is preferably a synchronous wheel and synchronous belt component. After the telescopic cylinder 908 is started, the power switching rod 901 can be driven to cooperate with the cross spline to slide in the second connecting sleeve 907 to achieve horizontal displacement. The synchronous wheel on it is synchronously displaced and cooperates with the synchronous belt to pull the synchronous wheel on the third connecting sleeve 913, so that the third connecting sleeve 913 cooperates with the cross spline to slide on the second rotating shaft 912. Therefore, after the servo motor 911 is started, it can always maintain the transmission of the power switching rod 901 and the second rotating shaft 912.

[0070] Refer to the attached Figure 5 The first driving screw 7 and the first connecting sleeve 10 are respectively provided with a braking mechanism 11, and the braking mechanism 11 includes a mounting seat 111 fixed on the supporting column 2, and an electromagnetic telescope 112 is assembled on the mounting seat 111, and a second guide slide 113 symmetrically distributed on both sides of the electromagnetic telescope 112 and slidingly matched with the mounting seat 111, one end of the second guide slide 113 and the telescopic end of the electromagnetic telescope 112 are fixed with an arc-shaped brake pad 114, and a return spring 115 is sleeved on the second guide slide 113, and the two ends of the return spring 115 are respectively fixed to the mounting seat 111 and the limit block 116 set at the other end of the second guide slide 113.

[0071] In this embodiment, when the first driving screw 7 and the first connecting sleeve 10 have no transmission force, the electromagnetic expansion device 112 is activated to push the arc-shaped brake plate 114 so that it abuts against the corresponding first driving screw 7 and the first connecting sleeve 10, thereby locking them and preventing the driving gear 902 on the power switching rod 901 from being stuck with the driven gears after the power switching rod 901 is displaced.

[0072] When the first driving screw 7 and the first connecting sleeve 10 have transmission force, the power supply of the electromagnetic telescope 112 is disconnected, and the return spring 115 can drive the second guide slide rod 113 to slide in the opposite direction on the mounting seat 111, so that the arc-shaped brake pad 114 disengages from the corresponding first driving screw 7 and the first connecting sleeve 10 to release the lock.

[0073] Refer to the attached Figure 6 The fixed clamping module 3 and the dynamic clamping module 4 both include a connecting plate 341, the connecting plate 341 has an upper horizontal part and a lower horizontal part, the clamping plate 342 is arranged parallel between the upper horizontal part and the lower horizontal part, and the top is slidably matched with the upper horizontal part through two fixed third guide slides 343, the upper horizontal part is located between the two third guide slides 343 and is rotatably connected to the second driving screw rod 344, the second driving screw rod 344 extends vertically downward and is threadedly matched with the threaded sleeve 345 fixed on the top of the clamping plate 342.

[0074] In this embodiment, after rotating the second driving screw 344 and cooperating with the thread of the threaded sleeve 345, the clamping plate 342 can slide with the upper horizontal part through the third guide slide rod 343 to achieve lifting and lowering, so that the silicone belt can be clamped between the clamping plate 342 and the lower horizontal part.

[0075] Refer to the attached Figure 6 The bottom of the splint 342 is filled with several evenly distributed rubber bumps 346, and a gasket 347 is detachably installed on the top of the lower horizontal part; a slot 348 is horizontally opened on one side of the lower horizontal part for detachably plugging the gasket 347, and a plurality of groups of pin holes 349 connected to the slots 348 are correspondingly opened on the horizontal part and the gasket 347, and locking is achieved by plugging in the pin rod 3410.

[0076] In this embodiment, the bottom of the splint 342 can increase the friction with the non-stick surface of the silicone tape through the rubber protrusion 346, and the other side of the silicone tape is coated with glue and the friction with the gasket 347 is large enough. After the pin rods 3410 in the multiple groups of pin holes 349 are pulled out, the gasket 347 can be removed from the slot 348 to clean the glue on its surface.

[0077] Refer to the attached Figure 1 and 2A torque dynamometer 12 is provided on the first connecting sleeve 10 for testing the specific torque force. A tension dynamometer 13 is provided on the top of the base 1, corresponding to the displacement slide 6, for testing the specific tension force. The tension end of the tension dynamometer 13 is retractable and will not limit the displacement of the displacement slide 6. A high-speed camera 14 is provided at the corresponding positions of the torque dynamometer 12 and the tension dynamometer 13, which can capture the values of the torque dynamometer 12 and the tension dynamometer 13 at the moment of fracture.

[0078] The above-mentioned embodiments only express a certain implementation method of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all fall within the scope of protection of the present invention. Therefore, the scope of protection of the patent of the present invention shall be based on the attached claims.

[0079] It should be noted that the above content belongs to the technical knowledge scope of the inventor. Since the technical content in this field is vast and too complicated, the above content of this application does not necessarily constitute prior art.

Claims

1. A testing device for preparing a silicone tape, characterized in that: include: Base (1); A pair of supporting columns (2) symmetrically arranged on both sides of the top of the base (1); A fixed clamping module (3) and a dynamic clamping module (4) respectively arranged on opposite sides of the two supporting columns (2); The dynamic clamping module (4) is rotatably connected to a displacement slide (6) via a first rotating shaft (5); A pair of horizontally extending guide elements are arranged in parallel on the displacement slide (6), namely a first driving screw (7) and a first guide slide rod (8); The first driving screw (7) and the displacement slide (6) form a threaded pair, and the first guide slide (8) is fixedly connected to the displacement slide (6); The first driving screw (7) and the first guide slide rod (8) are respectively rotatably coupled and slidably connected to the corresponding support column (2); and a multi-mode driving mechanism (9) provided on the corresponding supporting column (2); The multi-mode driving mechanism (9) is configured to selectively drive: (a) The first rotating shaft (5) rotates independently; (b) the first driving screw (7) rotates independently; (c) the first rotating shaft (5) and the first driving screw (7) rotate synchronously; The support column (2) is connected to a first connecting sleeve (10) via a bearing, and the first rotating shaft (5) and the first connecting sleeve (10) are slidably engaged via a cross spline. The multi-mode drive mechanism (9) comprises a power switching rod (901) driven to horizontally displace between a first driving screw (7) and a first connecting sleeve (10), a driving gear (902) being fixed on the power switching rod (901), a first driven gear (903) and a second driven gear (904) being coaxially fixed to the first driving screw (7), and a third driven gear (905) and a fourth driven gear (906) being coaxially fixed to the first connecting sleeve (10), and when the power switching rod (901) is driven to horizontally displace, it can simultaneously engage the first driven gear (903) and the third driven gear (905), or engage the second driven gear (904) or the fourth driven gear (906) alone; The first driving screw (7) and the first connecting sleeve (10) are respectively provided with a braking mechanism (11), the braking mechanism (111) comprising a mounting seat (111) fixed on the supporting column (2), an electromagnetic telescopic device (112) being mounted on the mounting seat (111), and a second guide slide (113) symmetrically distributed on both sides of the electromagnetic telescopic device (112) and slidingly matched with the mounting seat (111), an arc-shaped brake pad (114) being fixed at one end of the second guide slide (113) and the telescopic end of the electromagnetic telescopic device (112), a return spring (115) being sleeved on the second guide slide (113), and two ends of the return spring (115) being respectively fixed to a limit block (116) provided at the mounting seat (111) and the other end of the second guide slide (113).

2. A testing device for preparing a silicone tape according to claim 1, characterized in that: The support column (2) is connected to a second connecting sleeve (907) via a bearing, the power switching rod (901) and the second connecting sleeve (907) are slidably engaged via a cross spline, and one end is connected to a telescopic cylinder (908), and the telescopic cylinder (908) is rotatably connected to a first mounting plate (909) provided on the support column (2).

3. A testing device for preparing a silicone tape according to claim 2, characterized in that: A servo motor (911) is mounted on the support column (2) via a second mounting plate (910); an output end of the servo motor (911) extends horizontally and is fixedly connected to an end of a second rotating shaft (912) connected to the support column (2) via a bearing; a third connecting sleeve (913) is slidably engaged with the second rotating shaft (912) via a cross spline; and the third connecting sleeve (913) and the power switching rod (901) are connected via a synchronous transmission assembly (914).

4. A testing device for preparing a silicone tape according to claim 1, characterized in that: The fixed clamping module (3) and the dynamic clamping module (4) both include a connecting plate (341), the connecting plate (341) having an upper horizontal portion and a lower horizontal portion, a clamping plate (342) being arranged parallel to the upper horizontal portion and the lower horizontal portion, and the top thereof being slidably engaged with the upper horizontal portion via two fixed third guide slides (343), the upper horizontal portion being located between the two third guide slides (343) and being rotatably connected to a second driving screw (344), the second driving screw (344) extending vertically downward and being threadedly engaged with a threaded sleeve (345) fixed on the top of the clamping plate (342).

5. A testing device for preparing a silicone tape according to claim 4, characterized in that: The bottom of the splint (342) is filled with a number of evenly distributed rubber bumps (346), and a liner (347) is detachably mounted on the top of the lower horizontal portion.

6. A testing device for preparing a silicone tape according to claim 5, characterized in that: A slot (348) is horizontally provided on one side of the lower horizontal portion for detachably inserting a liner (347). A plurality of pin holes (349) communicating with the slot (348) are correspondingly provided on the horizontal portion and the liner (347), and locking is achieved by inserting a pin rod (3410).

7. A testing device for preparing a silicone tape according to claim 1, characterized in that: The first connecting sleeve (10) is provided with a torque dynamometer (12); A tensile force measuring device (13) is provided on the top of the base (1), corresponding to the displacement slide (6); High-speed cameras (14) are provided at corresponding positions of the torque dynamometer (12) and the tension dynamometer (13).

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