A rubber sealing ring performance testing device

Abstract

The present invention discloses a rubber sealing ring performance detection device, which belongs to the field of sealing ring detection, including a rubber sealing ring detection platform, and a segmented detection drive unit and a segmented detection mechanism are arranged on the top of the rubber sealing ring detection platform, which are respectively used to provide clamping, stretching and friction driving during segmented detection of the rubber sealing ring, and to detect the tensile strength and wear resistance of the rubber sealing ring after segmentation. The present invention is provided with a segmented detection drive unit and a segmented detection mechanism, so that the rubber sealing ring can be clamped in segments and detected in segments, and its rebound pressure is detected based on Newton's third law, and the tensile strength of the rubber sealing ring at each location is obtained, and the wear resistance of the rubber sealing ring at each location can be obtained according to the amount of wear during the detection process, so as to know whether the poor wear resistance and tensile strength of the sealing ring after molding is caused by the material itself or by subsequent injection molding and hot melt molding, so as to achieve the effect of accurate analysis of the detection results.

Description

Technical Field

[0001] The invention relates to the technical field of sealing ring detection, and in particular to a rubber sealing ring performance detection device. Background Art

[0002] Sealing rings are widely used parts, often appearing in devices that come into contact with liquids and need to be sealed. When used, sealing rings are often coated on the outer surface of the device to block the flow of liquid to achieve a sealing effect. Their main properties should meet the following requirements: 1. They should be elastic and resilient; 2. They should have appropriate mechanical strength (wear resistance, expansion strength, elongation, and tear resistance, etc.). When the sealing device involves sliding or rotating, friction will occur in the sealing ring, so in the industrial production process of the sealing ring, the wear resistance and tensile strength of the sealing ring need to be tested.

[0003] In the production and processing of rubber sealing rings, there are two methods: injection molding and trimming, and hot-melt molding of sealing strips around molds. When the material is uneven, these two methods will lead to differences in wear resistance and tensile strength at various parts of the sealing ring. It is necessary to take samples at multiple points of the sealing ring for performance testing. However, when testing the wear resistance and tensile strength of the current sealing ring, the sealing ring is often stretched and friction tested as a whole. This testing method cannot determine whether the poor wear resistance and tensile strength of the sealing ring after molding is due to the material itself or the subsequent injection molding and hot-melt molding, and it is impossible to improve the problematic links in the production process. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that the existing sealing ring detection method, during the production detection process, is to perform tensile and friction tests on the sealing ring as a whole. Such a detection method cannot determine whether the poor wear resistance and tensile strength of the sealing ring after molding is due to the material itself or to subsequent injection molding and hot melt molding. It is impossible to improve the problematic links in the production process, and a rubber sealing ring performance detection device is proposed.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A rubber sealing ring performance testing device comprises a rubber sealing ring testing platform, wherein a segmented testing driving unit and a segmented testing mechanism are arranged on the top of the rubber sealing ring testing platform, wherein the segmented testing driving unit is used to provide clamping, stretching and friction driving during segmented testing of the rubber sealing ring, and the segmented testing mechanism is used to test the tensile strength and wear resistance of the segmented rubber sealing ring;

[0007] The segmented detection drive unit is composed of a clamping drive mechanism and a detection drive mechanism, wherein the clamping drive mechanism comprises a clamping support frame arranged inside the rubber sealing ring detection platform, an inner clamping telescopic rod is arranged on the top of the clamping support frame, and a clamping drive disk is arranged on the outer side of the clamping support frame, a clamping drive arc groove is arranged on the top of the clamping drive disk, and the bottom of the clamping drive disk is provided with a rotation drive by a clamping stepping motor, an outer clamping telescopic rod is movably connected to the top of the clamping drive disk, and a driving inner clamping wheel and a driving outer clamping wheel are respectively arranged inside the inner clamping telescopic rod and the outer clamping telescopic rod;

[0008] The detection drive mechanism includes an electric drive hydraulic cylinder arranged on the top of the clamping support frame, and a tensile wear-resistant detection drive platform is fixed on the clamping support frame. A detection drive servo motor is arranged inside the tensile wear-resistant detection drive platform, and the output shaft of the detection drive servo motor selectively drives the inner clamping wheel and the outer clamping wheel through the driving gear.

[0009] Preferably, the clamping support frame is composed of a clamping stabilizing column rotatably connected to the inner wall of the clamping driving disk and a clamping frame, and a sealing ring is fixed on the clamping frame to form an arc block.

[0010] Preferably, a clamping transmission rod is provided at the bottom of the inner clamping telescopic rod and the outer clamping telescopic rod, the clamping drive arc groove consists of an inner clamping drive groove and an outer clamping drive groove, and the clamping drive disk is movably connected to the clamping transmission rod through the clamping drive arc groove.

[0011] Preferably, the inner clamping telescopic rod is connected to an inner limit clamping sleeve via a contraction spring, and the driving inner clamping wheel is connected to an inner clamping active wheel selectively meshed with a driving gear via a transmission shaft.

[0012] Preferably, the outer clamping telescopic rod is connected to an outer clamping limiting sleeve via a storage spring, and the driving outer clamping wheel is connected to an outer clamping active wheel selectively meshed with a driving gear via a transmission shaft.

[0013] Preferably, the inner wall of the tensile wear-resistant detection drive platform is slidably connected with a tensile wear-resistant detection slide, the electric drive hydraulic cylinder drives the tensile wear-resistant detection slide to slide through a hydraulic connecting rod, and the top of the tensile wear-resistant detection slide is clamped with the bottom of the inner limit clamping sleeve and the outer clamping limit sleeve through the detection transmission rod.

[0014] Preferably, a stable fitting block provided with a rotation-stopping tooth groove is fixed on the outer side of the tensile wear-resistant detection driving platform, and the stable fitting block is clamped with the inner clamping driving wheel and the outer clamping driving wheel.

[0015] Preferably, the segmented detection mechanism is composed of a tensile strength detection component and a wear resistance detection component, the tensile strength detection component includes a pressure detector arranged on the axial side of the inner clamping telescopic rod toward the rubber sealing ring detection platform, the pressure detector is composed of a detection sliding sleeve and a pressure detection sensor, and the pressure detection sensor is used to detect the rebound pressure of the inner clamping telescopic rod.

[0016] Preferably, the wear resistance detection component includes a weighing platform arranged on the top of the rubber sealing ring detection platform, a gravity sensor is arranged inside the weighing platform, a weighing tray is arranged on the top of the weighing platform, and the displacement of the weighing platform is driven by a rotation detection servo motor.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. By providing a segmented detection drive unit in cooperation with the segmented detection mechanism, the rubber sealing ring can be clamped in segments and detected in segments. Based on Newton's third law, its rebound pressure is detected to know the tensile strength of the rubber sealing ring at each location. According to the amount of wear during the detection process, the wear resistance of the rubber sealing ring at each location can be known, so as to know whether the poor wear resistance and tensile strength of the sealing ring after molding is caused by the material itself or by subsequent injection molding and hot melt molding, so as to achieve the effect of accurate analysis of the detection results.

[0019] 2. By cooperating with the clamping drive disk equipped with the clamping drive arc groove and the clamping stepping motor, the rubber sealing ring can be clamped in sections, and according to the needs of changing its detection position, the segmented clamping end of the rubber sealing ring can be conveniently switched to change the clamping section of the rubber sealing ring, so as to facilitate the subsequent segmented detection mechanism to test its tensile strength and wear resistance.

[0020] 3. The tensile wear-resistant testing drive platform equipped with a tensile wear-resistant testing slide and an electric driven hydraulic cylinder can quickly stretch the rubber sealing ring during tensile testing, and during wear resistance testing, the inner driving clamping wheel and the outer driving clamping wheel rotate and stabilize alternately to rub the outer and inner edges of the rubber sealing ring, thereby achieving the effect of conveniently driving the tensile strength and wear resistance testing components. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of a rubber sealing ring performance detection device proposed by the present invention;

[0022] Figure 2 For the present invention Figure 3 A magnified view of the structure at A;

[0023] Figure 3 A cross-sectional view of the internal structure of a rubber sealing ring performance detection device proposed by the present invention;

[0024] Figure 4 For the present invention Figure 3 A magnified view of the structure at B in FIG.

[0025] Figure 5 For the present invention Figure 3 A magnified view of the structure at C in FIG.

[0026] Figure 6 This is an overall structural assembly view of a rubber sealing ring performance detection device proposed by the present invention;

[0027] Figure 7 This is a schematic structural diagram of a segmented detection drive unit of a rubber sealing ring performance detection device proposed by the present invention;

[0028] Figure 8 This is a schematic diagram of the structure of a clamping support frame and a weighing platform of a rubber sealing ring performance detection device proposed by the present invention;

[0029] Fig. 9 A schematic diagram of the transmission connection between a clamping drive disk and an inner limit clamping sleeve and an outer limit clamping sleeve structure of a rubber sealing ring performance detection device proposed by the present invention.

[0030] In the figure: 1. Rubber sealing ring test bench; 2. Clamping support frame; 201. Clamping stabilizing column; 202. Clamping frame; 203. Sealing ring sleeve with arc block; 3. Internal limit clamping sleeve; 301. Internal clamping telescopic rod; 302. Contraction spring; 303. Driving internal clamping wheel; 304. Transmission shaft; 305. Internal clamping driving wheel; 4. Clamping drive disk; 401. Internal clamping drive slot; 402. External clamping drive slot; 5. Clamping stepping motor; 6. External clamping limit sleeve; 601. External clamping telescopic rod; 602. Storage spring; 603 , driving outer clamping wheel; 604, transmission shaft; 605, outer clamping active wheel; 7, electric drive hydraulic cylinder; 701, hydraulic connecting rod; 8, tensile wear-resistant detection drive platform; 801, detection drive servo motor; 802, driving gear; 803, tensile wear-resistant detection slide; 804, detection transmission rod; 805, stable fitting block; 9, clamping transmission rod; 10, pressure detector; 1001, detection sliding sleeve; 1002, pressure detection sensor; 11, weighing platform; 1101, weighing tray; 1102, rotation detection servo motor. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0032] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "mounted / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] Example, see Figures 1 to 9 A rubber sealing ring performance testing device comprises a rubber sealing ring testing platform 1, a segmented testing driving unit and a segmented testing mechanism are arranged on the top of the rubber sealing ring testing platform 1, the segmented testing driving unit is used to provide clamping, stretching and friction driving during segmented testing of the rubber sealing ring, and the segmented testing mechanism is used to test the tensile strength and wear resistance of the rubber sealing ring after segmentation;

[0035] Through the above technical scheme, the rubber sealing ring mounted on the outer surface of the clamping support frame 2 can be alternately clamped and segmented by a segmented detection drive unit at the top of the rubber sealing ring detection platform 1, thereby facilitating the tensile strength and wear resistance detection of various parts of the rubber sealing ring, and detecting the material uniformity in the rubber sealing ring making process, to find out whether the tensile strength and wear resistance of the rubber sealing ring do not meet the standards due to defects in the material itself or in the subsequent ring making process.

[0036] like Figures 3 to 7As shown, the segmented detection drive unit is composed of a clamping drive mechanism and a detection drive mechanism, the clamping drive mechanism includes a clamping support frame 2 arranged inside the rubber sealing ring detection platform 1, the top of the clamping support frame 2 is provided with an inner clamping telescopic rod 301, and the outer side of the clamping support frame 2 is provided with a clamping drive disk 4, the top of the clamping drive disk 4 is provided with a clamping drive arc groove, and the bottom of the clamping drive disk 4 is provided with a rotation drive through a clamping stepping motor 5, the top of the clamping drive disk 4 is movably connected with an outer clamping telescopic rod 601, and the inner clamping telescopic rod 301 and the outer clamping telescopic rod 601 are respectively provided with a driving inner clamping wheel 303 and a driving outer clamping wheel 603.

[0037] Furthermore, the clamping support frame 2 is composed of a clamping stabilizing column 201 rotatably connected to the inner wall of the clamping driving disk 4 and a clamping frame 202 , and a sealing ring-mounted arc block 203 is fixed on the clamping frame 202 .

[0038] It should be noted that: after the rubber sealing ring is sleeved onto the sealing ring sleeve arc block 203, the rubber sealing ring is initially fixed, and then the clamping drive disk 4 is driven to rotate by the clamping stepper motor 5, so that the inner clamping telescopic rod 301 and the outer clamping telescopic rod 601 move in a direction approaching each other, thereby clamping and limiting the sleeved sealing ring.

[0039] Furthermore, a clamping transmission rod 9 is provided at the bottom of the inner clamping telescopic rod 301 and the outer clamping telescopic rod 601, the clamping drive arc groove is composed of an inner clamping drive groove 401 and an outer clamping drive groove 402, and the clamping drive disk 4 is movably connected to the clamping transmission rod 9 through the clamping drive arc groove.

[0040] It should be noted that: when the clamping drive disk 4 rotates, the inner clamping drive groove 401 is driven to squeeze the clamping transmission rod 9 at the bottom of the inner clamping telescopic rod 301, so that the inner clamping wheel 303 set in the inner clamping telescopic rod 301 is driven to move outward. Similarly, the outer clamping drive groove 402 is driven to press the clamping transmission rod 9 at the bottom of the outer clamping telescopic rod 601, so that the outer clamping wheel 603 set in the outer clamping telescopic rod 601 is driven to move inward, thereby clamping the sleeved sealing ring, so that the sleeved sealing ring is divided into multiple sections, which is convenient for segmented detection.

[0041] The further advantage of adopting the above method is that the clamping driving arc groove is set to three sections. When the clamping driving disk 4 is driven by the clamping stepping motor 5, each rotation angle is thirty degrees. When the clamping driving arc groove and the clamping transmission rod 9 are slidingly squeezed, the sealing ring is clamped at intervals, and the sealing ring is divided into three independent rubber strips, which is convenient for segmented detection of the independent rubber strips.

[0042] Based on the above, when the clamping driving arc groove does not slide and squeeze with the clamping transmission rod 9, the inner clamping telescopic rod 301 and the outer clamping telescopic rod 601 are respectively retracted into the inner limit clamping sleeve 3 and the outer limit clamping sleeve 6 through the contraction spring 302 and the storage spring 602, and the sealing ring is not expanded outward, so that the sealing ring is conveniently sleeved on the outer surface of the sealing ring sleeve arc block 203;

[0043] Further based on the above, the clamping transmission rod 9 is arranged into three sections: upper, middle and lower. The middle section is bent so as not to hinder the operation of the detection drive mechanism. The clamping transmission rod 9 in the lower section slides and squeezes with the clamping drive arc groove, so that the upper section clamping transmission rod 9 drives the inner clamping telescopic rod 301 and the outer clamping telescopic rod 601 to move in corresponding directions.

[0044] like Figure 2 and Figure 5 As shown, the detection drive mechanism includes an electric drive hydraulic cylinder 7 arranged on the top of the clamping support frame 2, and a tensile wear-resistant detection drive platform 8 is fixed on the clamping support frame 2. A detection drive servo motor 801 is arranged inside the tensile wear-resistant detection drive platform 8. The output shaft of the detection drive servo motor 801 is selectively controlled to drive the inner clamping wheel 303 and the outer clamping wheel 603 through a driving gear 802.

[0045] Furthermore, the inner clamping telescopic rod 301 is connected to the inner limit clamping sleeve 3 via the contraction spring 302, and the driving inner clamping wheel 303 is connected to the inner clamping driving wheel 305 selectively meshing with the driving gear 802 via the transmission shaft 304;

[0046] The outer clamping telescopic rod 601 is connected to the outer clamping limiting sleeve 6 through the storage spring 602, and the driving outer clamping wheel 603 is connected to the outer clamping driving wheel 605 selectively meshed with the driving gear 802 through the transmission shaft 604, wherein the transmission shaft 304 and the transmission shaft 604 are respectively fixed to the bottom of the driving inner clamping wheel 303 and the outer clamping driving wheel 605;

[0047] It should be noted that: when the stretching wear-resistant detection slide 803 is driven to move by the electric drive hydraulic cylinder 7, the inner limit clamping sleeve 3 and the outer limit clamping sleeve 6 move in the same direction, so that the inner clamping driving wheel 305 and the outer clamping driving wheel 605 are selectively engaged with the driving gear 802, and the other is disengaged from the meshing state with the driving gear 802, so that the driving gear 802 selectively drives the inner clamping wheel 303 or the outer clamping wheel 603 to rotate, thereby achieving the effect of selectively driving the stretching friction components, namely the inner clamping driving wheel 305 and the outer clamping driving wheel 605.

[0048] Further, the inner wall of the tensile wear-resistant detection driving platform 8 is slidably connected with a tensile wear-resistant detection slide 803, and the electrically driven hydraulic cylinder 7 drives the tensile wear-resistant detection slide 803 to slide through the hydraulic connecting rod 701, and the top of the tensile wear-resistant detection slide 803 is clamped with the bottom of the inner limit clamping sleeve 3 and the outer clamping limit sleeve 6 through the detection transmission rod 804;

[0049] It should be noted that: six electric drive hydraulic cylinders 7 are provided. After the clamping drive disk 4 clamps the rubber sealing ring in three directions, the sealing ring between the clamping ends of the rubber sealing ring is the detection section. By starting the electric drive hydraulic cylinder 7 in the direction corresponding to the detection section, the stretching wear-resistant detection slide 803 is driven to move toward the outer edge of the rubber sealing ring detection platform 1 first, and then after the inner edge of the rubber sealing ring is stretched and the wear resistance is tested, the stretching wear-resistant detection slide 803 is moved in the opposite direction to perform the wear resistance test on the outer edge of the rubber sealing ring;

[0050] Based on the above, when the tensile wear-resistant detection slide 803 moves toward the outer edge of the rubber sealing ring detection platform 1, this section of the sealing ring is deformed, and the tensile strength is tested. The sealing ring is driven to revolve around the driving inner clamping wheel 303 to form an envelope angle bent toward the axial side of the rubber sealing ring detection platform 1, and the inner clamping active wheel 305 is driven to drive the inner clamping wheel 303 to rotate, and the inner edge of the sealing ring is rubbed to complete the tensile strength test and the inner edge wear resistance test of the sealing ring. Similarly, when the tensile wear-resistant detection slide 803 moves in the opposite direction, this section of the sealing ring forms an envelope angle bent away from the axial side of the rubber sealing ring detection platform 1, so that when the driving outer clamping wheel 603 rotates, the wear resistance test of the outer edge of the rubber sealing ring is performed.

[0051] Furthermore, a stable fitting block 805 with a rotation-stopping tooth groove is fixed to the outer side of the tensile wear-resistant detection driving platform 8, and the stable fitting block 805 is clamped with the inner clamping driving wheel 305 and the outer clamping driving wheel 605;

[0052] A further benefit of adopting the above method is that when the stretch wear-resistant detection slide 803 moves toward the outer edge of the rubber sealing ring detection platform 1, the inner clamping active wheel 305 is driven to engage with the detection drive servo motor 801, providing a rotational drive for driving the inner clamping wheel 303, and the outer clamping active wheel 605 is brought into contact with the stable bonding block 805 to be bonded and stopped. Similarly, when the stretch wear-resistant detection slide 803 moves in the opposite direction, the inner clamping active wheel 305 is brought into contact with the stable bonding block 805 to be bonded and stopped, thereby avoiding the rubber sealing ring driving the outer clamping active wheel 605 to rotate when the inner clamping active wheel 305 rotates, causing the wear-resistant detection part to shift, thereby achieving the effect of improving the accuracy of wear-resistant detection.

[0053] like Figure 4As shown, the segmented detection mechanism consists of a tensile strength detection component and a wear resistance detection component. The tensile strength detection component includes a pressure detector 10 arranged on the axial side of the inner clamping telescopic rod 301 facing the rubber sealing ring detection platform 1. The pressure detector 10 consists of a detection sliding sleeve 1001 and a pressure detection sensor 1002. The pressure detection sensor 1002 is used to detect the rebound pressure of the inner clamping telescopic rod 301.

[0054] It should be noted that: when the rubber seal ring of the detection section is stretched and tested by the electric-driven hydraulic cylinder 7, the inner clamping telescopic rod 301 is squeezed by the rubber seal ring to retract it in the detection section, and acts on the pressure detection sensor 1002 to detect its feedback force, so that it is known that when the electric-driven hydraulic cylinder 7 drives the inner clamping telescopic rod 301 to move outward to the maximum position, the resilience of the rubber ring of the detection section is obtained, and after the clamping stepper motor 5 drives the clamping drive disk 4 to rotate, the detection section is transferred to the original clamping end, and then the electric-driven hydraulic cylinder 7 is started to detect the resilience of the rubber ring at the original clamping end, so that according to the resilience of the rubber seal ring acting on the pressure detection sensor 1002 at multiple locations, the rubber seal ring is subjected to multi-stage stretching testing, and the tensile strength testing operation of the rubber seal ring is completed;

[0055] Based on the above, when testing the tensile strength of the rubber sealing ring, its tensile strength is tested as a whole by testing its rebound force, and by comparing the rebound force values ​​obtained from multiple tests one by one, it is determined whether there are abnormalities with larger or smaller values. This means that when the rubber sealing ring in the test section undergoes the same deformation when stretched, whether the rubber sealing ring has a problem of uneven material during the making process.

[0056] like Figure 1 As shown, the wear resistance detection component includes a weighing platform 11 arranged on the top of the rubber sealing ring detection platform 1, a gravity sensor is arranged inside the weighing platform 11, a weighing tray 1101 is arranged on the top of the weighing platform 11, and the displacement of the weighing platform 11 is driven by a rotation detection servo motor 1102.

[0057] It should be noted that when the wear resistance test of the rubber sealing ring is carried out, when the rubber sealing ring is rubbed by driving the inner clamping wheel 303 and the outer clamping wheel 603, firstly, a rough test is carried out to see whether the rubber sealing ring is broken by the pressure detection sensor 1002, and then the rubber crumbs dropped by the friction are collected by the weighing tray 1101 at the bottom thereof, so that the loss amount of each detection section sealing ring during the wear resistance test can be known, and the wear resistance is further tested to know the wear resistance of each section, so as to know whether the rubber sealing ring has the problem of uneven material caused by the ring making process when the rubber sealing ring of the detection section is rubbed for the same length of time;

[0058] Based on the above, when the wear resistance test is performed on the detection section sealing ring, it is divided into two processes: inner edge wear resistance test and outer edge wear resistance test, which are performed by driving the inner clamping wheel 303 to rub the inner edge of the rubber sealing ring and by driving the outer clamping wheel 603 to rub the outer edge of the rubber sealing ring.

[0059] In the above-mentioned tensile strength and wear resistance test of the rubber sealing ring, when the rubber sealing ring is directly broken, the test process can be terminated at this time, and the rubber sealing ring is judged to be unqualified. And through the number of fractures, it can be known whether the fracture is caused by the unqualified material of the rubber sealing ring itself or the unevenness of the rubber sealing ring caused by the ring manufacturing process;

[0060] Based on the above, if the rubber strip is hot-melted into a rubber sealing ring, and the fracture position and number correspond to the interface position or number, it can be judged that the rubber sealing ring is unqualified due to the ring making process; if the fracture position and number do not correspond to the interface position or number, it indicates that the fracture is caused by the unqualified material of the rubber sealing ring itself.

[0061] Working principle:

[0062] When the present invention detects the rubber sealing ring, the steps involved in the detection of the rubber sealing ring are divided into: a segmented clamping process of the rubber sealing ring, a segmented stretching detection process and a segmented wear resistance detection process, wherein the segmented clamping process of the rubber sealing ring is: after the rubber sealing ring is sleeved on the outer surface of the sealing ring sleeve arc block 203, the clamping stepper motor 5 is started to drive the clamping drive disk 4 to rotate, and the inner clamping active wheel 305 and the outer clamping active wheel 605 are driven to approach each other, so as to squeeze and clamp the rubber sealing ring in the proximity, so that the rubber sealing ring is divided into three detection sections through the clamping end, and during the detection process, the clamping stepper motor 5 can be driven to drive the clamping drive disk 4 to rotate again, and the detection section that completes the stretching detection is clamped, so as to achieve the effect of conveniently replacing the detection section, and provide segmented support for the subsequent segmented detection mechanism to detect the tensile strength and wear resistance of the rubber sealing ring at multiple locations.

[0063] The segmented tensile testing process of the rubber sealing ring is as follows: in the testing section of the rubber sealing ring, the inner limit clamping sleeve 3 is driven to move outward by the electrically driven hydraulic cylinder 7, so that the testing section is bent and deformed, and the resilience of the rubber sealing ring after bending is detected by the pressure detector 10 to obtain the tensile strength of the rubber sealing ring at this point, and by switching the testing section of the rubber sealing ring, the tensile strength of the rubber sealing ring at various locations can be tested, thereby achieving the effect of conveniently testing the tensile strength of the rubber sealing ring.

[0064] The segmented wear resistance detection process of the rubber sealing ring is as follows: after the rubber sealing ring completes the tensile test, the detection drive servo motor 801 corresponding to the detection segment is started to drive the inner clamping wheel 303 and the outer clamping wheel 603 to rotate alternately, and rub the inner edge and outer edge of the rubber sealing ring in turn. Then, the pressure detector 10 can roughly detect whether the rubber sealing ring is broken, and the rubber crumbs received by the weighing tray 1101 can be further detected. The loss of the rubber sealing ring during the wear resistance detection can achieve the effect of improving the accuracy of the rubber sealing ring wear resistance detection.

[0065] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rubber sealing ring performance testing device, comprising a rubber sealing ring testing platform (1), characterized in that: The top of the rubber sealing ring testing platform (1) is provided with a segmented testing drive unit and a segmented testing mechanism, wherein the segmented testing drive unit is used to provide clamping, stretching and friction driving during segmented testing of the rubber sealing ring, and the segmented testing mechanism is used to test the tensile strength and wear resistance of the segmented rubber sealing ring; The segmented detection drive unit is composed of a clamping drive mechanism and a detection drive mechanism, wherein the clamping drive mechanism comprises a clamping support frame (2) arranged inside the rubber sealing ring detection platform (1), the top of the clamping support frame (2) is provided with an inner clamping telescopic rod (301), and the outer side of the clamping support frame (2) is provided with a clamping drive disk (4), the top of the clamping drive disk (4) is provided with a clamping drive arc groove, and the bottom of the clamping drive disk (4) is provided with a rotation drive through a clamping stepping motor (5), the top of the clamping drive disk (4) is movably connected with an outer clamping telescopic rod (601), and the inner clamping telescopic rod (301) and the outer clamping telescopic rod (601) are respectively provided with a driving inner clamping wheel (303) and a driving outer clamping wheel (603); The bottom of the inner clamping telescopic rod (301) and the bottom of the outer clamping telescopic rod (601) are both provided with a clamping transmission rod (9), the clamping drive arc groove is composed of an inner clamping drive groove (401) and an outer clamping drive groove (402), and the clamping drive disk (4) is movably connected to the clamping transmission rod (9) via the clamping drive arc groove; The detection drive mechanism comprises an electric drive hydraulic cylinder (7) arranged on the top of the clamping support frame (2), and a tensile wear-resistant detection drive platform (8) is fixed on the clamping support frame (2), and a detection drive servo motor (801) is arranged inside the tensile wear-resistant detection drive platform (8), and the output shaft of the detection drive servo motor (801) selectively drives the driving inner clamping wheel (303) and the driving outer clamping wheel (603) through a driving gear (802).

2. A rubber sealing ring performance detection device according to claim 1, characterized in that: The clamping support frame (2) is composed of a clamping stabilizing column (201) rotatably connected to the inner wall of the clamping driving disk (4) and a clamping frame (202), and a sealing ring sleeve arc block (203) is fixed to the clamping frame (202).

3. A rubber sealing ring performance detection device according to claim 1, characterized in that: The inner clamping telescopic rod (301) is connected to an inner limit clamping sleeve (3) via a contraction spring (302), and the driving inner clamping wheel (303) is connected to an inner clamping driving wheel (305) selectively meshing with the driving gear (802) via a transmission shaft (304).

4. A rubber sealing ring performance detection device according to claim 3, characterized in that: The outer clamping telescopic rod (601) is connected to an outer clamping limiting sleeve (6) via a storage spring (602), and the driving outer clamping wheel (603) is connected to an outer clamping driving wheel (605) selectively meshing with the driving gear (802) via a transmission shaft (604).

5. A rubber sealing ring performance detection device according to claim 4, characterized in that: The inner wall of the tensile wear-resistant detection drive platform (8) is slidably connected to a tensile wear-resistant detection slide (803); the electric drive hydraulic cylinder (7) drives the tensile wear-resistant detection slide (803) to slide via a hydraulic connecting rod (701); and the top of the tensile wear-resistant detection slide (803) is clamped with the bottom of the inner limit clamping sleeve (3) and the outer limit clamping sleeve (6) via a detection transmission rod (804).

6. A rubber sealing ring performance detection device according to claim 5, characterized in that: A stable fitting block (805) provided with a rotation-stopping tooth groove is fixed on the outer side of the tensile wear-resistant detection drive platform (8), and the stable fitting block (805) is clamped with the inner clamping driving wheel (305) and the outer clamping driving wheel (605).

7. A rubber sealing ring performance detection device according to claim 1, characterized in that: The segmented detection mechanism is composed of a tensile strength detection component and a wear resistance detection component. The tensile strength detection component comprises a pressure detector (10) arranged on the axial side of the inner clamping telescopic rod (301) facing the rubber sealing ring detection platform (1). The pressure detector (10) is composed of a detection sliding sleeve (1001) and a pressure detection sensor (1002). The pressure detection sensor (1002) is used to detect the rebound pressure of the inner clamping telescopic rod (301).

8. A rubber sealing ring performance detection device according to claim 7, characterized in that: The wear resistance detection component comprises a weighing platform (11) arranged on the top of the rubber sealing ring detection platform (1), a gravity sensor is arranged inside the weighing platform (11), a weighing tray (1101) is arranged on the top of the weighing platform (11), and the displacement of the weighing platform (11) is driven by a rotation detection servo motor (1102).

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