CN112903437A - System and method for testing production quality performance of rubber sealing strip - Google Patents
System and method for testing production quality performance of rubber sealing strip Download PDFInfo
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- CN112903437A CN112903437A CN202110073708.XA CN202110073708A CN112903437A CN 112903437 A CN112903437 A CN 112903437A CN 202110073708 A CN202110073708 A CN 202110073708A CN 112903437 A CN112903437 A CN 112903437A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0605—Mechanical indicating, recording or sensing means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Abstract
The invention relates to a system and a method for testing the production quality and performance of rubber sealing strips, which comprises a detection support plate, arc-shaped grooves, supporting columns, locking supports, linkage rods and a locking mechanism, wherein the supporting columns are arranged in the middle of the upper ends of the detection support plate, the arc-shaped grooves are symmetrically arranged on the detection support plate and are symmetrically arranged on two sides of each supporting column, the locking supports are connected in each arc-shaped groove in a sliding fit mode, the locking mechanism is arranged at one end, corresponding to each supporting column, of each locking support, and the linkage rods are distributed between the other ends of the locking supports. The invention can solve the problems existing in the prior sealing strip during the tensile test: when the testing machine is used for carrying out tensile testing on the sealing strips with different tensile angles, the adjustment is complex, so that the testing efficiency of the sealing strips is influenced, the sealing strips need to be straightened manually, and the sealing strips can rebound after being straightened manually, so that the testing precision of the sealing strips is influenced.
Description
Technical Field
The invention relates to the field of sealing strip testing, in particular to a system and a method for testing the production quality and performance of a rubber sealing strip.
Background
The rubber sealing strip is generally processed and formed by neoprene, ethylene propylene rubber, silicon rubber and other sizing materials with excellent aging resistance through an extrusion forming continuous vulcanization method. The tensile property of the rubber sealing strip needs to be tested after the rubber sealing strip is formed and processed. The rubber sealing strip can be provided with the knee joint in its middle part as required according to the use, and the sealing strip knee joint is through the mode shaping of hot pressing, places knee joint steel sheet and two sealing strips in dedicated mould, later through pouring into rubber material in the mould for the sealing strip can the shaping.
The rubber sealing strip is generally in a long strip shape, and the tensile test of the rubber sealing strip is to detect the tensile quantity and the recovery quantity of the rubber sealing strip by pulling two ends of the rubber sealing strip outwards in parallel through a testing machine so as to judge whether the sealing strip meets the standard or not; the sealing strip that is provided with the knee joint to the middle part needs test its tensile force according to the angle of knee joint, and the problem that exists when current sealing strip carries out tensile test is as follows:
when the testing machine is used for carrying out tensile testing on sealing strips with different tensile angles, the adjustment is complex, and the testing steps are complex, so that the testing efficiency of the sealing strips is influenced, the sealing strips need to be manually straightened, the sealing strips can rebound after being straightened manually, the testing precision of the sealing strips is influenced, and the positions of the sealing strips can deviate to a certain extent after being adjusted, so that the tension on the two sides of the sealing strips is unbalanced.
Disclosure of Invention
In order to solve the problems, the invention provides a system for testing the production quality and performance of rubber sealing strips, which comprises a detection support plate, arc-shaped grooves, supporting columns, a locking support, a linkage rod and a locking mechanism, wherein the supporting columns are arranged in the middle of the upper ends of the detection support plate, the arc-shaped grooves are symmetrically arranged on the detection support plate and are symmetrically arranged on two sides of each supporting column, the locking support is connected to each arc-shaped groove in a sliding fit manner, the locking mechanism is arranged at one end of the locking support corresponding to each supporting column, the linkage rod is distributed between the other ends of the locking support, the two ends of the linkage rod are telescopic structures, the telescopic structures of the linkage rod are arranged on the locking support through hinges, the system can detect the tensile strength of the rubber sealing strips, the locking mechanism can respectively clamp and lock the two ends of the sealing strips, the tensile angle of the locking mechanism to the sealing strips can be adjusted through the sliding of the locking, so that the invention can carry out the tensile test on the sealing strips with different tensile angles.
The linkage rod is provided with a slide block with a dovetail structure on the side corresponding to the detection support plate, a dovetail sliding groove in sliding fit with the slide block is vertically arranged on the side of the detection support plate, the bottom of the linkage rod is connected with an adjusting screw rod in a rotating fit manner, the lower end of the adjusting screw rod is connected with the adjusting support plate in a thread fit manner, the adjusting support plate is arranged on the side of the lower end of the detection support plate, the linkage rod can be driven to move up and down by manually screwing the adjusting screw rod, the slide block is matched with the dovetail sliding groove to limit the linkage rod when moving up and down, in addition, the stability of the locking mechanism can be increased through the locking support in the matching manner, when the locking support slides in the arc-shaped groove, the linkage rod can automatically stretch so that the linkage rod can stably drive the locking support to rotate to a proper position in the arc-shaped groove, and, so that the locking brackets can be always symmetrically distributed on two sides of the bearing column.
The locking mechanism comprises a locking support, one end of the locking support, which is far away from the bearing column, is connected with a fixed end of an electric push rod, the electric push rod is in an extending state, a retraction plate is arranged on a retraction end of the electric push rod, the upper end and the lower end of the retraction plate are both connected with the middle part of a retraction spring column in a sliding fit mode, a clamping frame is arranged on one end of the retraction spring column, which is far away from the electric push rod, two clamping plates are symmetrically distributed on the side surface of the clamping frame, which is far away from one end of the retraction spring column, up and down, the two clamping plates are both arranged on the clamping frame through rotating pins;
the outer side surface of the clamping plate positioned at the upper end of the clamping frame is provided with a triangular clamping block, the outer side surface of the clamping plate positioned at the lower end of the clamping frame is provided with an ear seat, the clamping hook is arranged in the ear seat through a pin shaft, the upper end of the clamping hook is locked on the triangular clamping block, the lower side surface of the clamping hook is arranged on the clamping plate positioned at the lower end of the clamping frame through a buckle spring, when the sealing strip clamping device works, the outer end of the sealing strip can be clamped and locked by the locking mechanism, the locking support can drive the locking support to move to a proper position, the lower end of the clamping hook is manually pressed down and the clamping plate positioned at the upper end of the clamping frame is pulled upwards, so that the two clamping plates can be separated, the end of the sealing strip can be placed between the two clamping plates, the, the end that contracts the board and can be to the sealing strip through retracting the bullet post and exert pulling force for the holding frame can produce the displacement and note on the locking support, later control electric putter and reply initial position, note the position that the holding frame was located this moment, judge whether accord with the standard according to the tensile strength of holding frame place.
As a preferred technical scheme of the invention, semi-circular grooves are formed in opposite side surfaces of the clamping plate, a clamping and pressing plate with an arc-shaped structure is uniformly distributed in each semi-circular groove, clamping and pressing elastic columns are symmetrically arranged at the upper end of the clamping and pressing plate and penetrate through the clamping plate, the clamping and pressing elastic columns are in sliding fit with the clamping plate, after the middle part of the sealing strip is placed at the upper end of the bearing column, the sealing strip is straightened, so that the sealing strip is in a stretched state, and the clamping and pressing plate can be clamped at the outer end of the sealing strip under the action of the clamping and pressing elastic columns, so that the stretched sealing strip cannot shrink or deform in a distorted mode.
As a preferable technical scheme of the invention, the middle part of the clamping frame, which is close to one end of the retraction elastic column, is provided with a placing groove, the placing groove is positioned between the two retraction elastic columns, the position of a structure formed by the two clamping plates corresponds to the position of the placing groove, and the clamping plates are positioned so that the outer end of the sealing strip is positioned between the two retraction elastic columns, so that the pulling force generated by the retraction elastic columns can uniformly act on the sealing strip, and the precision of the invention for detecting the sealing strip is improved.
As a preferred technical scheme of the invention, clamping bolts are distributed between the clamping elastic columns on the clamping and pressing plates, the middle parts of the clamping bolts are arranged on the clamping plates in a thread matching mode, the clamping and pressing plates and the clamping bolts are in a non-connection state, and after the sealing strip is straightened, the clamping bolts are screwed to enable the two clamping and pressing plates to lock the sealing strip, so that the problem of inaccurate detection of the sealing strip due to relative displacement between the sealing strip and the clamping and pressing plates during stretching is solved.
According to a preferable technical scheme of the invention, scale marks are transversely and uniformly arranged at the lower end of the locking support corresponding to the position of the clamping frame, the bottom of the clamping frame is provided with a pointer, and the moving distance of the clamping frame on the locking support can be accurately seen through the scale marks on the locking support and the pointer.
As a preferred technical scheme of the invention, a follow-up plate is arranged on the side surface of the locking support close to the bearing column, a follow-up sliding groove with an arc structure is distributed on the inner side of each arc groove, the arc structure of the follow-up sliding groove and the arc structure of the arc groove are concentrically arranged, a sliding block in sliding fit with the follow-up sliding groove is arranged on the inner side surface of the follow-up plate, the locking support can synchronously drive the follow-up plate to move when moving along with the locking support, and the sliding block on the follow-up plate can slide in the follow-up sliding groove.
According to a preferred technical scheme, a T-shaped chute is arranged in the middle of the outer side face of a follow-up plate, a straightening frame is connected to the T-shaped chute in a sliding fit mode, the straightening frame is of a U-shaped structure, straightening clamping plates are symmetrically arranged in the straightening frame, the straightening clamping plates correspond to clamping plates in position one by one, straightening elastic columns are connected to opposite sides of the straightening clamping plates, the middle of each straightening elastic column is connected to a horizontal section of the straightening frame in a sliding fit mode, when the follow-up plate moves to a proper position along with a locking support, the middle of a sealing strip is placed above a bearing column, the straightening clamping plate clamps the sealing strip through outwards pulling the straightening elastic columns, and then the straightening clamping plate can conduct straightening action on the sealing strip through outwards pulling the straightening frame.
According to a preferred technical scheme, the upper end of the bearing column is of an arc structure, the positioning clamping plate of the arc structure is distributed above the bearing column, the upper side face of the middle part of the positioning clamping plate is connected with the lower end of the positioning bolt through a bearing, the upper end of the positioning bolt is connected to the positioning support plate in a threaded fit mode, the positioning support plate is installed at the upper end of the detection support plate, the two ends of the top of the positioning clamping plate are symmetrically provided with the limiting columns, the upper ends of the limiting columns penetrate through the positioning support plate, the positioning clamping plate can be driven to extrude and position the middle part of the sealing strip on the bearing column through screwing of the positioning bolt, and the middle part of the sealing strip cannot change.
The method for testing the rubber sealing strip by the rubber sealing strip production quality performance testing system comprises the following steps:
step one, detecting and positioning a support plate: firstly, locking the position of a detection support plate to enable the detection support plate to be in a vertical state, and adjusting the position of a locking support according to the stretching angle of a sealing strip;
secondly, locking and positioning the bracket: the linkage rod can be driven to move up and down by manually twisting the adjusting screw rod, the linkage rod can drive the locking bracket to slide in the arc-shaped groove, the linkage rod can automatically stretch out and draw back, so that the linkage rod can stably drive the locking bracket to rotate to a proper position in the arc-shaped groove, and the locking bracket can be synchronously driven to move by the linkage rod, so that the locking bracket can be always symmetrically distributed on two sides of the supporting column;
thirdly, positioning the sealing strip: after the position of the locking support is adjusted, the middle part of the sealing strip is placed at the upper end of the bearing column, the straightening clamping plate clamps the sealing strip by outwards pulling the straightening elastic column, the straightening clamping plate can straighten the sealing strip by outwards pulling the straightening frame, the outer end of the straightened sealing strip is clamped by the clamping plate, so that the straightened sealing strip cannot shrink or distort, the two clamping plates can lock the sealing strip by screwing the clamping bolt, and the sealing strip is prevented from relatively displacing with the clamping plate when being stretched;
step four, tensile test of the sealing strip: be in the contraction state through control electric putter, it can outwards remove to return the board, it can exert the pulling force to the end of sealing strip through returning the bullet post to return the board, make the holding frame can produce the displacement and note on the locking support, later control electric putter replies initial position, note the position that the holding frame was located this moment, whether the tensile strength of judging the sealing strip accords with the standard according to the position that the holding frame was located, the displacement distance that sees out the holding frame and produce at the locking support that scale on through the locking support shows and the pointer can be accurate.
The invention has the beneficial effects that:
the invention can perform stretching test on the sealing strip in the transverse direction and the inclined direction, the applicability of the invention is improved, the invention can synchronously adjust the positions of locking mechanisms for clamping two ends of the sealing strip, so that the tension applied to the two ends of the sealing strip is the same, and the detection precision of the sealing strip is improved;
the linkage rod can be driven to move up and down by manually twisting the adjusting screw rod, the locking mechanism can be driven to adjust the position by the locking bracket, and the locking bracket can be synchronously driven to move by the linkage rod, so that the locking bracket can be always symmetrically distributed on two sides of the bearing column, and the detection precision of the sealing strip is improved;
thirdly, the sealing strip is straightened after the middle part of the sealing strip is placed at the upper end of the bearing column, so that the sealing strip is in a stretched state, and the clamping and pressing plate can be clamped at the outer end of the sealing strip under the action of the clamping and pressing elastic column, so that the stretched sealing strip cannot shrink or deform in a twisting way;
after the middle part of the sealing strip is placed on the supporting column, the straightening clamping plate clamps the sealing strip by pulling the straightening ejection column outwards, and then the straightening clamping plate can straighten the sealing strip by pulling the straightening frame outwards;
and fifthly, the positioning clamping plate can be driven to extrude and position the middle part of the sealing strip on the bearing column by screwing the positioning bolt, so that the middle part of the sealing strip does not change in position when the sealing strip is subjected to tensile test.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a first configuration of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the present invention between the side supporting plate, the arc-shaped groove, the locking bracket, the linkage rod and the locking mechanism;
FIG. 4 is a schematic structural view of the locking mechanism of the present invention;
FIG. 5 is a schematic structural view of the clamping frame, clamping plate, triangular clamping block, ear seat, clamping hook and clamping spring of the present invention;
FIG. 6 is a schematic structural diagram of the present invention when a tensile test is performed on an elongated sealing strip;
FIG. 7 is a schematic view showing the structure of a sealing tape with a crimp connection in the middle portion according to the present invention in a tensile test.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in figures 1 to 7, the rubber sealing strip production quality performance test system comprises a detection support plate 1, arc-shaped grooves 2, supporting columns 3, a locking support 4, a linkage rod 5 and a locking mechanism 6, wherein the supporting columns 3 are arranged in the middle of the upper end of the detection support plate 1, the arc-shaped grooves 2 are symmetrically arranged on two sides of the supporting columns 3, the locking support 4 is connected in each arc-shaped groove 2 in a sliding fit manner, the locking mechanism 6 is arranged at one end of the locking support 4 corresponding to the supporting columns 3, the linkage rod 5 is distributed between the other ends of the locking support 4, two ends of the linkage rod 5 are telescopic structures, the telescopic structures of the linkage rod 5 are arranged on the locking support 4 through hinges, the rubber sealing strip production quality performance test system can detect the tensile strength of a rubber sealing strip, the locking mechanism 6 can respectively clamp and lock two ends of the sealing strip, the locking bracket 4 slides in the arc-shaped groove 2 to adjust the stretching angle of the locking mechanism 6 to the sealing strip, so that the invention can carry out stretching test on the sealing strips with different stretching angles.
The linkage rod 5 is provided with a slide block 51 with a dovetail structure on the side corresponding to the detection support plate 1, the side of the detection support plate 1 is vertically provided with a dovetail chute 11 in sliding fit with the slide block 51, the bottom of the linkage rod 5 is connected with an adjusting screw 52 in a rotating fit manner, the lower end of the adjusting screw 52 is connected with an adjusting support plate 53 in a thread fit manner, the adjusting support plate 53 is arranged on the side of the lower end of the detection support plate 1, the adjusting screw 52 can be manually screwed to drive the linkage rod 5 to move up and down, the slide block 51 is matched with the dovetail chute 11 to limit the linkage rod 5 when moving up and down, the matching manner can increase the stability of the locking mechanism 6 through the locking support 4, when the locking support 4 slides in the arc-shaped groove 2, the linkage rod 5 can automatically stretch out and draw back, so that the linkage rod 5 can stably drive the locking support 4 to rotate to a proper position in the arc, the locking support 4 can be synchronously driven to move through the linkage rod 5, so that the locking support 4 can be symmetrically distributed on two sides of the bearing column 3 all the time.
3 upper ends of bearing post be the arc structure, 3 top distributions of bearing post have the location cardboard 31 of arc structure, the side is connected with positioning bolt 32's lower extreme through the bearing on the middle part of location cardboard 31, positioning bolt 32's upper end is connected on location extension board 33 through screw-thread fit's mode, location extension board 33 is installed in the upper end that detects extension board 1, the top both ends symmetry of location cardboard 31 is provided with spacing post 34, location extension board 33 is passed through to the upper end of spacing post 34, can drive the middle part extrusion location of location cardboard 31 with the sealing strip on bearing post 3 through twisting positioning bolt 32, the change that can not take place the position in its middle part when making the sealing strip carry out tensile test.
The locking mechanism 6 comprises a locking support 61, one end of the locking support 61, which is far away from the bearing column 3, is connected with a fixed end of an electric push rod 62, the electric push rod 62 is in an extending state, a retraction plate 63 is installed on a telescopic end of the electric push rod 62, the upper end and the lower end of the retraction plate 63 are both connected with the middle part of a retraction elastic column 64 in a sliding fit mode, a clamping frame 65 is installed on one end, which is far away from the electric push rod 62, of the retraction elastic column 64, two clamping plates 66 are symmetrically distributed on the upper side and the lower side of the side, which is far away from one end of the retraction elastic column 64, of the clamping frame 65, the two clamping plates 66 are both installed on the clamping frame 65 through rotating pins;
a triangular clamping block 67 is arranged on the outer side surface of the clamping plate 66 positioned at the upper end of the clamping frame 65, an ear seat 68 is arranged on the outer side surface of the clamping plate 66 positioned at the lower end of the clamping frame 65, a clamping hook 69 is arranged in the ear seat 68 through a pin shaft, the upper end of the clamping hook 69 is locked on the triangular clamping block 67, the lower side surface of the clamping hook 69 is arranged on the clamping plate 66 positioned at the lower end of the clamping frame 65 through a clamping spring 610, when the sealing strip clamping device works specifically, the outer end of the sealing strip can be clamped and locked by the locking mechanism 6, firstly, the locking support 4 can drive the locking support 61 to move to a proper position, the lower end of the clamping hook 69 is manually pressed down and the clamping plate 66 positioned at the upper end of the clamping frame 65 is manually pulled upwards, so that the two clamping plates 66 can be separated, the, be in the shrink state through control electric putter 62, it can outwards remove to contract board 63, contracts board 63 and can exert pulling force to the end of sealing strip through retracting bullet post 64 for clamping frame 65 can produce the displacement on locking support 61 and note, and later control electric putter 62 returns initial position, notes the position that clamping frame 65 was located this moment, judges whether the tensile strength of sealing strip accords with the standard according to the position that clamping frame 65 was located.
The middle of the outer side face of the follow-up plate 12 is provided with a T-shaped sliding groove 14, a straightening frame 15 is connected to the T-shaped sliding groove 14 in a sliding fit mode, the straightening frame 15 is of a U-shaped structure, straightening snap-gauge plates 16 are symmetrically arranged in the straightening frame 15, the straightening snap-gauge plates 16 are in one-to-one correspondence with the clamping plates 662, straightening snap-gauge plates 16 are connected to opposite back sides of the straightening snap-gauge plates 16, the middle of each straightening snap-gauge 17 is connected to a horizontal section of the straightening frame 15 in a sliding fit mode, when the follow-up plate 12 moves to a proper position along with the locking support 61, the middle of a sealing strip is placed above the bearing column 3, the straightening snap-gauge 16 is clamped by outwards pulling the straightening snap-gauge 17, and then the straightening snap-gauge plates 16 can straighten the sealing strip by outwards pulling the straightening frame 15.
The opposite side of splint 66 on be provided with semicircular groove 661, cloth is equallyd divide to have the card clamp plate 662 of an arc structure in every semicircular groove 661, the upper end symmetry of card clamp plate 662 is provided with card and presses the bullet post 663, card presses bullet post 663 to pass splint 66, sliding fit between card and press bullet post 663 and the splint 66, place the middle part of sealing strip behind the upper end of bearing post 3, straighten the sealing strip with fingers, make the sealing strip be in the state of straightening, card clamp plate 662 can block in the outer end of sealing strip under the effect of card and press bullet post 663, make the sealing strip of straightening can not take place to shrink or distortion.
The middle part of the clamping frame 65 close to one end of the retraction spring column 64 is provided with a placing groove 651, the placing groove 651 is positioned between the two retraction spring columns 64, the position of the structure formed by the two clamping plates 662 corresponds to the position of the placing groove 651, and the clamping plates 662 are positioned to enable the outer end of the sealing strip to be positioned between the two retraction spring columns 64, so that the pulling force generated by the retraction spring columns 64 can be uniformly applied to the sealing strip, and the precision of the sealing strip detection method of the invention on the sealing strip is improved.
On the clamp plate 662 clamp pressure is played and is distributed chucking bolt 664 between the post 663, and the middle part of chucking bolt 664 passes through screw-thread fit's mode and installs on splint 66, is non-connection state between clamp plate 662 and chucking bolt 664, when the sealing strip is smoothed out straight the back, makes two clamp plates 662 can lock the sealing strip through twisting the chucking bolt 664, prevents that relative displacement takes place with clamp plate 662 when the sealing strip is stretched, causes the inaccurate problem of sealing strip detection.
The lower end of the locking support 61 is transversely and uniformly provided with scale marks corresponding to the positions of the clamping frames 65, the bottom of each clamping frame 65 is provided with a pointer 652, and the moving distance of the clamping frames 65 on the locking support 61 can be accurately seen through the scale marks on the locking support 61 and the pointer 652.
The side face, close to the bearing column 3, of the locking support 61 is provided with the follow-up plate 12, the inner side of each arc-shaped groove 2 is provided with the follow-up sliding groove 13 of an arc-shaped structure, the arc-shaped structures of the follow-up sliding grooves 13 and the arc-shaped structures of the arc-shaped grooves 2 are arranged concentrically, the inner side face of the follow-up plate 12 is provided with a sliding block in sliding fit with the follow-up sliding grooves 13, the locking support 61 can synchronously drive the follow-up plate 12 to move when moving along with the locking support 4, and the sliding block on the follow-up plate 12 can slide in the follow-up sliding.
The method for testing the rubber sealing strip by the rubber sealing strip production quality performance testing system comprises the following steps:
firstly, positioning a detection support plate 1: firstly, locking the position of a detection support plate 1 to enable the detection support plate 1 to be in a vertical state, and adjusting the position of a locking support 4 according to the stretching angle of a sealing strip;
secondly, positioning the locking bracket 4: the linkage rod 5 can be driven to move up and down by manually twisting the adjusting screw rod 52, the linkage rod 5 can drive the locking support 4 to slide in the arc-shaped groove 2, the linkage rod 5 can automatically stretch out and draw back, so that the linkage rod 5 can stably drive the locking support 4 to rotate to a proper position in the arc-shaped groove 2, and the locking support 4 can be synchronously driven to move by the linkage rod 5, so that the locking support 4 can be always symmetrically distributed on two sides of the bearing column 3;
thirdly, positioning the sealing strip: after the position of the locking support 4 is adjusted, the middle part of the sealing strip is placed at the upper end of the bearing column 3, then the straight clamping plate 16 clamps the sealing strip by pulling the straight spring column 17 outwards, then the straight clamping plate 16 can perform the straightening action by pulling the straightening frame 15 outwards, then the end of the straightened sealing strip is clamped at the outer end of the sealing strip through the clamping plates 662, so that the straightened sealing strip cannot shrink or distort, the two clamping plates 662 can lock the sealing strip by screwing the clamping bolts 664, the sealing strip is prevented from relative displacement with the clamping plates 662 during stretching, the positioning bolts 32 can be screwed to drive the positioning clamping plate 31 to extrude and position the middle part of the sealing strip on the bearing column 3, and the middle part of the sealing strip cannot change in position during the stretching test;
step four, tensile test of the sealing strip: by controlling the electric push rod 62 to be in a contraction state, the retraction plate 63 can move outwards, the retraction plate 63 can apply pulling force to the end of the sealing strip through the retraction elastic column 64, so that the clamping frame 65 can generate displacement on the locking support 61 and record the displacement, then the electric push rod 62 is controlled to return to an initial position, the position of the clamping frame 65 is recorded at the moment, whether the tensile strength of the sealing strip meets the standard or not is judged according to the position of the clamping frame 65, and the moving distance of the clamping frame 65 on the locking support 61 can be accurately seen through scale representation on the locking support 61 and the pointer 652.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a rubber seal strip production quality performance test system, is including detecting extension board (1), arc wall (2), bearing post (3), locking support (4), gangbar (5) and locking mechanical system (6), its characterized in that: the detection device is characterized in that a supporting column (3) is arranged in the middle of the upper end of a detection supporting plate (1), arc-shaped grooves (2) are symmetrically arranged on the detection supporting plate (1), the arc-shaped grooves (2) are symmetrically arranged on two sides of the supporting column (3), a locking support (4) is connected in each arc-shaped groove (2) in a sliding fit mode, a locking mechanism (6) is installed at one end, corresponding to the supporting column (3), of each locking support (4), a linkage rod (5) is distributed between the other ends of the locking supports (4), two ends of each linkage rod (5) are telescopic structures, and the telescopic structures of the linkage rods (5) are installed on the locking supports (4) through hinges; wherein:
the lateral surface of the linkage rod (5) corresponding to the detection support plate (1) is provided with a slide block (51) with a dovetail structure, the lateral surface of the detection support plate (1) is vertically provided with a dovetail chute (11) in sliding fit with the slide block (51), the bottom of the linkage rod (5) is connected with an adjusting screw rod (52) in a rotating fit manner, the lower end of the adjusting screw rod (52) is connected with an adjusting support plate (53) in a threaded fit manner, and the adjusting support plate (53) is arranged on the lateral surface of the lower end of the detection support plate (1);
the locking mechanism (6) comprises a locking support (61), one end of the locking support (61) far away from the bearing column (3) is connected with a fixed end of an electric push rod (62), the electric push rod (62) is in an extending state, a retraction plate (63) is installed on a retraction end of the electric push rod (62), the upper end and the lower end of the retraction plate (63) are connected with the middle part of a retraction elastic column (64) in a sliding fit mode, a clamping frame (65) is installed on one end of the retraction elastic column (64) far away from the electric push rod (62), two clamping plates (66) are symmetrically distributed on the side surface of one end of the clamping frame (65) far away from the retraction elastic column (64) up and down, the two clamping plates (66) are installed on the clamping frame (65) through rotating pins, and the clamping plates (66) at the lower end of the clamping frame (65) are fixedly connected to the;
a triangular clamping block (67) is arranged on the outer side face of a clamping plate (66) at the upper end of a clamping frame (65), an ear seat (68) is arranged on the outer side face of the clamping plate (66) at the lower end of the clamping frame (65), a clamping hook (69) is installed in the ear seat (68) through a pin shaft, the upper end of the clamping hook (69) is locked on the triangular clamping block (67), and the lower side face of the clamping hook (69) is installed on the clamping plate (66) at the lower end of the clamping frame (65) through a clamping spring (610).
2. The system for testing the production quality and performance of the rubber sealing strip according to claim 1, wherein: the opposite side of splint (66) on be provided with semicircular groove (661), divide equally cloth in every semicircular groove (661) and have card clamp plate (662) of an arc structure, the upper end symmetry of card clamp plate (662) is provided with card pressure bullet post (663), card pressure bullet post (663) passes splint (66), sliding fit between card pressure bullet post (663) and splint (66).
3. The system for testing the production quality and performance of the rubber sealing strip according to claim 2, wherein: the middle part of the clamping frame (65) close to one end of the retraction spring column (64) is provided with a placing groove (651), the placing groove (651) is positioned between the two retraction spring columns (64), and the position of the structure formed by the two clamping plates (662) corresponds to the position of the placing groove (651).
4. The system for testing the production quality and performance of the rubber sealing strip according to claim 3, wherein: clamping bolts (664) are distributed among the clamping elastic columns (663) on the clamping plate (662), and the middle parts of the clamping bolts (664) are installed on the clamping plate (66) in a thread fit mode.
5. The system for testing the production quality and performance of the rubber sealing strip according to claim 4, wherein: the lower end of the locking support (61) is transversely and uniformly provided with scale marks corresponding to the positions of the clamping frames (65), and the bottom of each clamping frame (65) is provided with a pointer (652).
6. The system for testing the production quality and performance of the rubber sealing strip according to claim 1, wherein: the side face, close to the bearing column (3), of the locking support (61) is provided with a follow-up plate (12), the inner side of each arc-shaped groove (2) is provided with a follow-up sliding groove (13) with an arc-shaped structure, the arc-shaped structures of the follow-up sliding grooves (13) and the arc-shaped structures of the arc-shaped grooves (2) are arranged concentrically, and the inner side face of the follow-up plate (12) is provided with a sliding block which is in sliding fit with the follow-up sliding grooves (13).
7. The system for testing the production quality and performance of the rubber sealing strip according to claim 6, wherein: lateral surface middle part of follow-up plate (12) be provided with T type spout (14), T type spout (14) are gone up and are connected with through sliding fit's mode and smooth out straight frame (15), smooth out straight frame (15) and be U type structure, smooth out straight frame (15) internal symmetry and be provided with and smooth out straight cardboard (16), the position of the cardboard (16) of straightening out with the fingers and the position one-to-one of clamp plate (662), the side of mutually backing on the back of the body of the straight cardboard (16) all is connected with one and smoothes out straight bullet post (17), the middle part of the bullet post (17) of straightening out with the fingers is connected on the horizontal segment of the frame (15) of straightening out with the fingers through sliding fit's.
8. The system for testing the production quality performance of the rubber sealing strip according to any one of claims 1 to 7, wherein: bearing post (3) upper end be the arc structure, bearing post (3) top distributes and has location cardboard (31) of arc structure, the middle part of location cardboard (31) is gone up the side and is connected with the lower extreme of positioning bolt (32) through the bearing, the upper end of positioning bolt (32) is connected on location extension board (33) through screw-thread fit's mode, the upper end at detecting extension board (1) is installed in location extension board (33), the top both ends symmetry of location cardboard (31) is provided with spacing post (34), the upper end of spacing post (34) is passed location extension board (33).
9. The system for testing the production quality and performance of the rubber sealing strip according to claim 5, wherein: the method for testing the rubber sealing strip by the rubber sealing strip production quality performance testing system comprises the following steps:
firstly, positioning a detection support plate (1): firstly, locking the position of a detection support plate (1) to enable the detection support plate (1) to be in a vertical state, and adjusting the position of a locking support (4) according to the stretching angle of a sealing strip;
secondly, positioning a locking bracket (4): the linkage rod (5) can be driven to move up and down by manually twisting the adjusting screw rod (52), the linkage rod (5) can drive the locking support (4) to slide in the arc-shaped groove (2), the linkage rod (5) can automatically stretch out and draw back, so that the linkage rod (5) can stably drive the locking support (4) to rotate to a proper position in the arc-shaped groove (2), and the locking support (4) can be synchronously driven to move through the linkage rod (5), so that the locking support (4) can be always symmetrically distributed on two sides of the bearing column (3);
thirdly, positioning the sealing strip: after the position of the locking support (4) is adjusted, the middle part of the sealing strip is placed at the upper end of the supporting column (3), then the sealing strip is straightened, the end of the straightened sealing strip is clamped at the outer end of the sealing strip through a clamping plate (662), so that the straightened sealing strip cannot shrink or distort, the clamping plate (662) can lock the sealing strip by screwing a clamping bolt (664), and the sealing strip is prevented from moving relative to the clamping plate (662) when being stretched;
step four, tensile test of the sealing strip: the electric push rod (62) is controlled to be in a contraction state, the retraction plate (63) can move outwards, the retraction plate (63) can apply pulling force to the end of the sealing strip through the retraction elastic column (64), so that the clamping frame (65) can generate displacement on the locking support (61) and record the displacement, then the electric push rod (62) is controlled to return to an initial position, the position of the clamping frame (65) is recorded at the moment, whether the tensile strength of the sealing strip meets the standard or not is judged according to the position of the clamping frame (65), and the moving distance of the clamping frame (65) on the locking support (61) can be accurately seen through scale representation on the locking support (61) and the pointer (652).
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| CN202110073708.XA CN112903437B (en) | 2021-01-20 | 2021-01-20 | System and method for testing production quality performance of rubber sealing strip |
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| CN202110073708.XA CN112903437B (en) | 2021-01-20 | 2021-01-20 | System and method for testing production quality performance of rubber sealing strip |
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| CN113984310A (en) * | 2021-11-02 | 2022-01-28 | 南京林业大学 | Practical safety performance detection device and detection method for sports equipment |
| CN114778365A (en) * | 2022-06-22 | 2022-07-22 | 徐州力博尔工贸有限公司 | Wear-resisting welt capability test machine |
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| CN117030437A (en) * | 2023-08-24 | 2023-11-10 | 盐城市海成棉业有限公司 | Cotton yarn strength detection device and detection method |
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| CN117030437A (en) * | 2023-08-24 | 2023-11-10 | 盐城市海成棉业有限公司 | Cotton yarn strength detection device and detection method |
| CN117030437B (en) * | 2023-08-24 | 2024-03-22 | 盐城市海成棉业有限公司 | Cotton yarn strength detection device and detection method |
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Effective date of registration: 20221118 Address after: 315460 No. 58, Chezhan East Road, Linshan Town, Yuyao City, Ningbo City, Zhejiang Province (self declaration) Applicant after: Ningbo Ruilongte Rubber and Plastic Products Co.,Ltd. Address before: No.189, Zhongshan South Road, Nanjing, Jiangsu 210001 Applicant before: Jiao Yunfeng |
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