CN113063585A - Testing device and testing method for finished products produced by fluororubber sealing rings - Google Patents
Testing device and testing method for finished products produced by fluororubber sealing rings Download PDFInfo
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- CN113063585A CN113063585A CN202110355250.7A CN202110355250A CN113063585A CN 113063585 A CN113063585 A CN 113063585A CN 202110355250 A CN202110355250 A CN 202110355250A CN 113063585 A CN113063585 A CN 113063585A
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- fluororubber sealing
- expansion
- sealing ring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/005—Sealing rings
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a testing device and a testing method for a finished product produced by a fluororubber sealing ring, which comprises an expanding mechanism, an extruding mechanism, a discharging guide frame and a bottom plate, wherein the bottom plate is provided with the discharging guide frame; the invention solves the problems that the elasticity and the recovery performance of the fluororubber sealing ring cannot be accurately detected aiming at the mechanical property detection of the fluororubber sealing ring, the fluororubber sealing ring is easy to pop up during an expansion test, the mechanical properties of the fluororubber sealing ring such as tensile elongation at break, tensile strength at break, tearing and the like cannot be known, and the mechanical property detection of the fluororubber sealing ring only comprises the expansion test and cannot detect the compression deformation rate, the elasticity, the recovery performance characteristics and the like of the fluororubber sealing ring.
Description
Technical Field
The invention relates to the technical field of performance testing of fluororubber sealing rings, in particular to a testing device and a testing method for a finished product produced by a fluororubber sealing ring.
Background
The fluororubber sealing ring is made of a copolymer of vinyl fluoride and hexafluoropropylene; the annular cover composed of one or more parts is fixed on one ring or gasket of the bearing and contacts with the other ring or gasket or forms a narrow labyrinth gap to prevent the leakage of lubricating oil and the invasion of foreign matters;
the fluororubber sealing ring is also a material with excellent physical and mechanical properties in the rubber elastomer, and has good advantages in the aspects of tear strength and elongation at break, and the mechanical properties of the fluororubber sealing ring are determined by a detection experiment after a finished product is produced; the elasticity and the recovery performance of the fluororubber sealing ring cannot be accurately detected aiming at the mechanical property detection of the fluororubber sealing ring at present, the fluororubber sealing ring is easy to pop up during an expansion test, the mechanical properties such as the tensile elongation at break, the tensile strength at break, the tearing and the like of the fluororubber sealing ring cannot be known, and the mechanical property detection of the fluororubber sealing ring only comprises the expansion test and cannot detect the compression deformation rate, the elasticity and the recovery performance characteristics of the fluororubber sealing ring; therefore, the invention provides a system and a method for testing the durability fatigue of a flexible liquid crystal display screen.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme that the device for testing the finished products produced by the fluororubber sealing rings comprises an expansion mechanism, a squeezing mechanism, a discharging guide frame and a bottom plate, wherein the discharging guide frame is installed on the bottom plate, the expansion mechanism is arranged right above the discharging guide frame, the expansion mechanism is installed on the bottom plate, the squeezing mechanism is arranged on the opposite side of the expansion mechanism, and the squeezing mechanism is installed on the bottom plate; wherein:
the expansion mechanism comprises a main beam support, an execution cylinder, a rack straight rod, a guide rail and an expansion unit; the main beam support is arranged on the bottom plate, an execution cylinder is arranged on the outer wall of the main beam support through a cylinder seat, an output shaft of the execution cylinder is connected with a rack straight rod through a floating joint, the rack straight rod is arranged on a guide rail in a sliding fit mode, the guide rail is arranged on the outer wall of the main beam support through a pin bolt, the rack straight rod is connected with the expansion unit in a sliding engagement mode, and the expansion unit is symmetrically arranged on the inner wall of the main beam support;
the expansion unit comprises a rotary control disc, a straight gear, an expansion supporting claw, a pulley and a limiting supporting block; the rotary control disc is installed on the inner wall of the main beam support through a bearing, a straight gear is installed on the shaft end, located on the outer side of the rotary control disc, of the rotary control disc through a pin bolt, the straight gear is connected with a rack straight rod through a meshing rotation mode, a resisting and expanding clamping jaw is arranged on the outer side of the rotary control disc, the resisting and expanding clamping jaw is evenly installed on the inner wall of the main beam support through a sliding fit mode, the resisting and expanding clamping jaws are distributed annularly along the circumferential direction of the rotary control disc, a pulley is installed on the shaft end, located on the resisting and expanding clamping jaw, of the shaft end through a bearing, the pulley is connected with the rotary control disc through a rolling mode, the limiting resisting blocks are evenly installed on the inner wall of the main beam support, and the limiting resisting blocks are distributed annularly along; the rack straight rod is driven by the execution cylinder to be meshed with the push-turn straight gear, the rotary control disc is made to rotate to abut against the pulley, the synchronous outward expansion and translation of the abutting jaws are realized, and the limiting abutting block is matched with the extrusion block to perform extrusion testing.
Preferably, the extrusion mechanism comprises a guide sliding plate, a pushing cylinder, a sliding plate frame, a pushing vertical plate, an extrusion unit and a beam support; the guide sliding plate is arranged on the bottom plate, the pushing cylinder is arranged on the inner wall of the guide sliding plate through a cylinder seat, the output shaft end of the pushing cylinder is connected with the sliding plate frame through a joint, the sliding plate frame is arranged on the inner wall of the guide sliding plate in a sliding fit mode, the pushing vertical plates are symmetrically arranged on the outer wall of the sliding plate frame and are connected with the extrusion units in a sliding fit mode, the extrusion units are symmetrically arranged on the beam support in a sliding fit mode, and the beam support is arranged on the bottom plate;
preferably, the extrusion unit comprises a sliding rod, a compression spring, a roller, a circular plate and an extrusion block; the sliding rod is installed on the cross beam support in a sliding fit mode, a compression spring is arranged on the outer ring of the sliding rod, the bottom shaft end of the compression spring is in mutual abutting connection with a roller, the roller is installed on the shaft end of one side of the sliding rod through a bearing seat, the roller is connected with the abutting vertical plate in a rolling mode, a circular plate is installed on the shaft end of the other side of the sliding rod through a pin bolt, and a plurality of extrusion blocks which are distributed annularly along the circumferential direction of the circular plate are arranged on the outer wall of the circular plate; reset through pushing away the cylinder and draw and drag the slide plate frame and descend perpendicularly downwards, make to support the higher terminal surface of the outside of pushing away the riser and contradict the gyro wheel, and compression spring contradicts the gyro wheel and supports and push away riser in close contact with, and the rethread slide bar supports and pushes away the plectane, makes the extrusion piece cooperate spacing to support the piece and extrude the test.
Preferably, the rotating control disc is uniformly provided with waist-shaped holes around the circumferential direction of the rotating control disc, external expansion translational motion of the abutting and expanding clamping jaws is conveniently and synchronously controlled, and expansion testing of the fluororubber sealing ring is realized.
Preferably, the clamp flaring of the abutting and expanding clamping jaw is designed to be an arc, the outer expanding and fixing of the fluororubber sealing ring is facilitated, the fluororubber sealing ring is embedded into the clamp flaring of the abutting and expanding clamping jaw, and therefore the expansion test is stabilized.
Preferably, the outer end face of the abutting and pushing vertical plate is designed to be inclined from low to high, and the outer end face of the abutting and pushing vertical plate is designed to be inclined from low to high, so that linear lifting motion is converted into horizontal translation motion, the extrusion block moves horizontally and is in contact with the limiting abutting block, and the extrusion test of the fluororubber sealing ring is realized;
in addition, the invention also provides a testing method of the testing device for the finished products produced by the fluororubber sealing rings, which comprises the following steps:
s1, placement of the fluororubber sealing ring: placing the fluorine rubber sealing ring for producing a finished product on the abutting and expanding clamping jaw by a worker;
s2, extrusion test: the extrusion mechanism moves horizontally and is in contact with the limiting abutting block, so that the fluororubber sealing ring is subjected to extrusion test;
s3, expansion test: synchronously carrying out expansion test on the fluororubber sealing ring subjected to the extrusion test in the step S2 by using an expansion mechanism;
s4, collection and check: and collecting the fluororubber sealing rings subjected to the expansion test in the step S3 by a worker, observing the elasticity and appearance recovery conditions of the fluororubber sealing rings, and recording the test result.
The invention has the beneficial effects that:
the invention has the advantages that the fluororubber sealing ring is clamped by outward expansion of the abutting and expanding clamping jaw, so that the fluororubber sealing ring is embedded into the clamping flaring of the abutting and expanding clamping jaw, and then expansion test is carried out, so that the outward expansion elasticity test of the fluororubber sealing ring can be stabilized, the fluororubber sealing ring is prevented from being ejected outwards due to self elasticity during outward expansion, and the expansion test process is stabilized, thereby realizing the mechanical property tests of the fluororubber sealing ring, such as tensile elongation at break, tensile strength at break, tearing and the like.
The invention carries out extrusion test on the fluororubber sealing ring by matching the limiting abutting block with the extrusion block, and simultaneously carries out extrusion test on the fluororubber sealing ring during the expansion test, thereby being beneficial to observing the compression deformation rate of the fluororubber sealing ring and further knowing the air tightness, elasticity and recovery performance characteristics of the fluororubber sealing ring.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the left side perspective of the home position of the present invention;
FIG. 2 is a schematic representation of the right-hand side perspective of the home position of the present invention;
FIG. 3 is a perspective view of the present invention in a rear-view position;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 3;
FIG. 5 is a schematic perspective view of the expansion mechanism of the present invention;
fig. 6 is a partial enlarged view of the invention at B in fig. 5.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining with the specific drawings, and it is to be noted that the embodiments and the features in the embodiments can be combined with each other in the application without conflict.
As shown in fig. 1 to 6, a testing device for a finished product produced by a fluororubber sealing ring comprises an expanding mechanism 1, a squeezing mechanism 2, a discharging guide frame 3 and a bottom plate 4, wherein the discharging guide frame 3 is mounted on the bottom plate 4, the expanding mechanism 1 is arranged right above the discharging guide frame 3, the expanding mechanism 1 is mounted on the bottom plate 4, the squeezing mechanism 2 is arranged on the opposite side of the expanding mechanism 1, and the squeezing mechanism 2 is mounted on the bottom plate 4; wherein:
the expansion mechanism 1 comprises a main beam support 10, an execution cylinder 11, a rack straight rod 12, a guide rail 13 and an expansion unit 14; the main beam support 10 is installed on the bottom plate 4, the execution cylinder 11 is installed on the outer wall of the main beam support 10 through a cylinder seat, the output shaft of the execution cylinder 11 is connected with the rack straight rod 12 through a floating joint, the rack straight rod 12 is installed on the guide rail 13 in a sliding fit mode, the guide rail 13 is installed on the outer wall of the main beam support 10 through a pin bolt, the rack straight rod 12 is connected with the expansion unit 14 in a sliding engagement mode, and the expansion unit 14 is symmetrically installed on the inner wall of the main beam support 10;
the expansion unit 14 comprises a rotation control disc 141, a spur gear 142, a pushing and expanding claw 143, a pulley 144 and a limiting pushing block 145; the rotary control disc 141 is mounted on the inner wall of the main beam support 10 through a bearing, waist-shaped holes are uniformly formed in the rotary control disc 141 around the circumferential direction of the rotary control disc 141, and the waist-shaped holes are uniformly formed in the rotary control disc 141 around the circumferential direction of the rotary control disc 141, so that the outward expansion translational motion of the abutting and expanding clamping jaws 143 can be synchronously controlled, and the expansion test of the fluororubber sealing ring can be realized; a straight gear 142 is mounted on the outer shaft end of the rotary control disc 141 through a pin bolt, the straight gear 142 is connected with the rack straight rod 12 in a meshing rotation mode, a pushing and expanding clamping jaw 143 is arranged on the outer side of the rotary control disc 141, the pushing and expanding clamping jaw 143 is uniformly mounted on the inner wall of the main beam support 10 in a sliding fit mode, the pushing and expanding clamping jaw 143 is annularly distributed along the circumferential direction of the rotary control disc 141, the clamping flaring of the pushing and expanding clamping jaw 143 is designed to be an arc, so that the fluorine rubber sealing ring is conveniently outwards expanded and fixed, and the fluorine rubber sealing ring is embedded into the clamping flaring of the pushing and expanding clamping jaw 143, and the expansion test is stable; a pulley 144 is arranged on the shaft end of the abutting and expanding claw 143 through a bearing, the pulley 144 is connected with the rotation control disc 141 through a rolling mode, the limiting abutting blocks 145 are uniformly arranged on the inner wall of the main beam support 10, and the limiting abutting blocks 145 are distributed annularly along the circumferential direction of the rotation control disc 141; the actuating cylinder 11 drives the rack straight rod 12 to engage with the push-turn spur gear 142, so that the rotary control disc 141 rotates to abut against the pulley 144, the synchronous outward expansion and translation of the expansion abutting claws 143 is realized, and the limiting abutting block 145 cooperates with the extrusion block 245 to perform extrusion test.
The extrusion mechanism 2 comprises a guide sliding plate 20, a pushing cylinder 21, a sliding plate frame 22, a pushing vertical plate 23, an extrusion unit 24 and a beam bracket 25; the guide sliding plate 20 is arranged on the bottom plate 4, the pushing cylinder 21 is arranged on the inner wall of the guide sliding plate 20 through a cylinder seat, the output shaft end of the pushing cylinder 21 is connected with the sliding plate frame 22 through a joint, the sliding plate frame 22 is arranged on the inner wall of the guide sliding plate 20 in a sliding fit mode, the abutting and pushing vertical plates 23 are symmetrically arranged on the outer wall of the sliding plate frame 22, the outer end face of each abutting and pushing vertical plate 23 is designed to be inclined from low to high, linear lifting motion is converted into horizontal translation motion conveniently, so that the extrusion block 245 moves horizontally and is in contact with the limiting abutting block 145, and the extrusion test of the fluororubber sealing ring is realized; the propping and pushing vertical plate 23 is connected with the extrusion unit 24 in a sliding fit manner, the extrusion unit 24 is symmetrically arranged on the beam bracket 25 in a sliding fit manner, and the beam bracket 25 is arranged on the bottom plate 4;
the pressing unit 24 comprises a sliding rod 241, a compression spring 242, a roller 243, a circular plate 244 and a pressing block 245; the sliding rod 241 is installed on the beam bracket 25 in a sliding fit manner, a compression spring 242 is arranged on the outer ring of the sliding rod 241, the bottom shaft end of the compression spring 242 is in mutual abutting connection with a roller 243, the roller 243 is installed on the shaft end of one side of the sliding rod 241 through a bearing seat, the roller 243 is in mutual connection with the abutting and pushing vertical plate 23 in a rolling manner, a circular plate 244 is installed on the shaft end of the other side of the sliding rod 241 through a pin bolt, and a plurality of extrusion blocks 245 which are annularly distributed along the circumferential direction of the circular plate 244 are arranged on the outer wall of the circular plate 244; the pushing cylinder 21 is reset to pull the sliding plate frame 22 to vertically slide downwards, so that the higher end surface of the outer side of the abutting and pushing vertical plate 23 abuts against the roller 243, the compression spring 242 abuts against the roller 243 to be in close contact with the abutting and pushing vertical plate 23, and then the sliding rod 241 abuts against the pushing circular plate 244, so that the extrusion block 245 is matched with the limiting abutting block 145 to perform extrusion test.
In addition, the invention also provides a testing method of the testing device for the finished products produced by the fluororubber sealing rings, which comprises the following steps:
s1, placement of the fluororubber sealing ring: placing the fluorine rubber sealing ring for producing the finished product on the abutting and expanding clamping jaw 143 by a worker;
s2, extrusion test: the extrusion mechanism 2 moves horizontally and is in contact with the limiting abutting block 145, so that the fluorine rubber sealing ring is subjected to extrusion test;
s3, expansion test: synchronously carrying out expansion test on the fluororubber sealing ring subjected to the extrusion test in the step S2 by using an expansion mechanism 1;
s4, collection and check: and collecting the fluororubber sealing rings subjected to the expansion test in the step S3 by a worker, observing the elasticity and appearance recovery conditions of the fluororubber sealing rings, and recording the test result.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a fluororubber sealing washer production finished product testing arrangement, includes expanding mechanism (1), extrusion mechanism (2), arranges material guide frame (3) and bottom plate (4), its characterized in that: the discharging device is characterized in that a discharging guide frame (3) is arranged on the bottom plate (4), an expansion mechanism (1) is arranged right above the discharging guide frame (3), the expansion mechanism (1) is arranged on the bottom plate (4), a squeezing mechanism (2) is arranged on the opposite side of the expansion mechanism (1), and the squeezing mechanism (2) is arranged on the bottom plate (4); wherein:
the expansion mechanism (1) comprises a main beam support (10), an execution cylinder (11), a rack straight rod (12), a guide rail (13) and an expansion unit (14); the main beam support (10) is installed on the bottom plate (4), an execution cylinder (11) is installed on the outer wall of the main beam support (10) through a cylinder seat, an output shaft of the execution cylinder (11) is connected with a rack straight rod (12) through a floating joint, the rack straight rod (12) is installed on a guide rail (13) in a sliding fit mode, the guide rail (13) is installed on the outer wall of the main beam support (10) through a pin bolt, the rack straight rod (12) is connected with an expansion unit (14) in a sliding engagement mode, and the expansion unit (14) is symmetrically installed on the inner wall of the main beam support (10);
the expansion unit (14) comprises a rotary control disc (141), a straight gear (142), an expansion resisting claw (143), a pulley (144) and a limiting resisting block (145); the rotation control disc (141) is arranged on the inner wall of the main beam bracket (10) through a bearing, a spur gear (142) is arranged on the shaft end at the outer side of the rotation control disc (141) through a pin bolt, the straight gear (142) is connected with the rack straight rod (12) in a meshing rotation mode, a pushing and expanding claw (143) is arranged on the outer side of the rotation control disc (141), the propping and expanding clamping jaws (143) are uniformly arranged on the inner wall of the main beam bracket (10) in a sliding fit way, the pushing and expanding claw (143) is distributed annularly along the circumferential direction of the rotating control disc (141), a pulley (144) is arranged on the shaft end of the pushing and expanding claw (143) through a bearing, and the pulley (144) is connected with the rotary control disc (141) in a rolling way, the limiting abutting blocks (145) are uniformly arranged on the inner wall of the main beam support (10), and the limiting abutting blocks (145) are distributed annularly along the circumferential direction of the rotating control disc (141).
2. The device for testing the finished products of the fluororubber sealing rings according to claim 1, wherein: the extrusion mechanism (2) comprises a guide sliding plate (20), a pushing cylinder (21), a sliding plate frame (22), a pushing vertical plate (23), an extrusion unit (24) and a beam support (25); guide slide (20) install on bottom plate (4), install through the cylinder block and push away and put cylinder (21) on being located the inner wall of guide slide (20), and push away the output axle head of putting cylinder (21) and pass through joint and slide plate frame (22) interconnect, slide plate frame (22) install on the inner wall of guide slide (20) through the sliding fit mode, be located the outer wall of slide plate frame (22) and symmetrically install and support and push away riser (23), and support and push away riser (23) and extrude unit (24) interconnect through the sliding fit mode, extrusion unit (24) install on beam bracket (25) through the sliding fit mode symmetry, beam bracket (25) install on bottom plate (4).
3. The device for testing the finished products of the fluororubber sealing rings according to claim 2, wherein: the extrusion unit (24) comprises a sliding rod (241), a compression spring (242), a roller (243), a circular plate (244) and an extrusion block (245); the sliding rod (241) is installed on the beam support (25) in a sliding fit mode, a compression spring (242) is arranged on the outer ring of the sliding rod (241), the bottom shaft end of the compression spring (242) is in mutual abutting connection with a roller (243), the roller (243) is installed on the shaft end of one side of the sliding rod (241) through a bearing seat, the roller (243) is connected with the abutting and pushing plate (23) in a rolling mode, a circular plate (244) is installed on the end of the other side of the sliding rod (241) through a pin bolt, and a plurality of extrusion blocks (245) which are distributed annularly along the circumferential direction of the circular plate (244) are arranged on the outer wall of the circular plate.
4. The device for testing the finished products of the fluororubber sealing rings according to claim 1, wherein: waist-shaped holes are uniformly formed in the rotation control disc (141) around the circumferential direction of the rotation control disc.
5. The device for testing the finished products of the fluororubber sealing rings according to claim 1, wherein: the expanding opening of the expanding clamping jaw (143) is designed to be a circular arc.
6. The device for testing the finished products of the fluororubber sealing rings according to claim 2, wherein: the end surface of the outer side of the propping and pushing vertical plate (23) is designed to be inclined from low to high.
7. The device for testing the finished products of the fluororubber sealing rings according to claim 1, wherein: the device for testing the expansion elasticity of the fluororubber sealing ring production finished product is used for testing the expansion elasticity of the fluororubber sealing ring, and the specific method for testing the expansion elasticity comprises the following steps:
s1, placement of the fluororubber sealing ring: placing the fluorine rubber sealing ring for producing the finished product on the abutting and expanding clamping jaw (143) by a worker;
s2, extrusion test: the extrusion mechanism (2) moves horizontally and is in contact with the limiting abutting block (145) so as to perform extrusion test on the fluororubber sealing ring;
s3, expansion test: synchronously carrying out expansion test on the fluororubber sealing ring subjected to the extrusion test in the S2 through an expansion mechanism (1);
s4, collection and check: and collecting the fluororubber sealing rings subjected to the expansion test in the step S3 by a worker, observing the elasticity and appearance recovery conditions of the fluororubber sealing rings, and recording the test result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110355250.7A CN113063585A (en) | 2021-04-01 | 2021-04-01 | Testing device and testing method for finished products produced by fluororubber sealing rings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110355250.7A CN113063585A (en) | 2021-04-01 | 2021-04-01 | Testing device and testing method for finished products produced by fluororubber sealing rings |
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| Publication Number | Publication Date |
|---|---|
| CN113063585A true CN113063585A (en) | 2021-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110355250.7A Withdrawn CN113063585A (en) | 2021-04-01 | 2021-04-01 | Testing device and testing method for finished products produced by fluororubber sealing rings |
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| CN (1) | CN113063585A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116106126A (en) * | 2023-04-13 | 2023-05-12 | 青岛科技大学 | Testing equipment for measuring tensile property of sealing ring |
-
2021
- 2021-04-01 CN CN202110355250.7A patent/CN113063585A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116106126A (en) * | 2023-04-13 | 2023-05-12 | 青岛科技大学 | Testing equipment for measuring tensile property of sealing ring |
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