CN109470461B - Slide rail working of plastics test machine - Google Patents
Slide rail working of plastics test machine Download PDFInfo
- Publication number
- CN109470461B CN109470461B CN201811341994.8A CN201811341994A CN109470461B CN 109470461 B CN109470461 B CN 109470461B CN 201811341994 A CN201811341994 A CN 201811341994A CN 109470461 B CN109470461 B CN 109470461B
- Authority
- CN
- China
- Prior art keywords
- slide rail
- tray
- trolley
- test
- test slide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 69
- 229920003023 plastic Polymers 0.000 title claims abstract description 21
- 239000004033 plastic Substances 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000009467 reduction Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a slide rail plastic part testing machine which comprises a rack, test slide rail mounting brackets arranged on two longitudinal sides of the rack, a tray borne between the two test slide rails, a trolley for pulling the tray along the extension direction of the test slide rails, a guide rail for guiding the trolley to slide, a driving mechanism for driving the trolley to slide, a tension spring for pulling out the tray, a tension spring mounting bracket and a locking mechanism for locking the tray, wherein the tension spring is arranged on the rack; the test slide rail is installed on the test slide rail installing support and slides along horizontal flexible, locking mechanism is including setting up in fixture block, pawl mounting bracket of tray bottom surface and with pawl coaxial coupling's swing arm, the shallow still fixedly connected with is used for stirring preceding shifting block and the back shifting block of swing arm, be connected with tension sensor between extension spring and tray or the extension spring mounting bracket.
Description
Technical Field
The invention relates to the technical field of guide rail testing, in particular to a slide rail plastic part testing machine.
Background
Heavy drawer slides are commonly used on heavily loaded drawers, such as shop kits and fire truck kits. In order to reduce the push-pull resistance of the heavy drawer slide rail, generally, ball strips are arranged in gaps between the inner rail and the two sides of the middle rail and gaps between the two sides of the middle rail and the two sides of the outer rail, so that sliding connection among the inner rail, the middle rail and the outer rail is realized, and in order to prevent derailment of the inner rail, the middle rail and the outer rail and buffer impact during stretching of the slide rail, a slide rail plastic part is generally arranged at the end part of the slide rail for limiting and buffering.
Because the sliding rail inevitably loosens and damages the sliding rail plastic part in the use process, in order to ensure that the loosening and damaging degree of the sliding rail can not influence normal use in the designed service life, multiple tensile tests are required to be carried out on the sliding rail, however, the impact action on the sliding rail plastic part when the sliding rail is pulled out rapidly cannot be simulated by the existing test means, so that the reliability of the testable result is lower.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a slide rail plastic part testing machine which is novel in structure and capable of testing the damage degree of a slide rail buffer plastic part after repeated stretching of a slide rail for many times.
In order to achieve the above object, the present invention adopts the following technical scheme:
The utility model provides a slide rail working of plastics test machine, includes the frame, sets up in the test slide rail installing support of the vertical both sides of frame, bear the tray between two test slide rails, be used for drawing the shallow of tray along test slide rail flexible direction, be used for guiding the guide rail that the shallow slides, be used for driving the actuating mechanism that the shallow slides, be used for pulling out extension spring, extension spring mounting bracket, the locking mechanism that is used for locking the tray; the test slide rail is installed on the test slide rail installing support and slides along horizontal flexible, locking mechanism is including setting up in fixture block, pawl mounting bracket of tray bottom surface and with pawl coaxial coupling's swing arm, the shallow still fixedly connected with is used for stirring preceding shifting block and the back shifting block of swing arm, be connected with tension sensor between extension spring and tray or the extension spring mounting bracket.
The beneficial effects of the invention are as follows: according to the slide rail plastic part testing machine, the tray is loaded by the tested slide rail to simulate the state of the slide rail and the drawer after being installed, and meanwhile, weights can be placed on the tray according to testing requirements to increase the load of the test slide rail. The tray is pulled out and pushed in repeatedly to drive the test slide rail to slide and stretch out and draw back about the pulling of shallow, when the tray is pushed in backward by the shallow, the extension spring is prolonged the energy storage, when test slide rail shrink in place, preceding shifting block touching swing arm drives the pawl swing, thereby fixture block and the pawl block of tray bottom surface make the position of tray fix at current state afterwards, when the shallow translation is in place forward after the shifting block touching swing arm drive the pawl swing, fixture block and pawl unbuckle, simultaneously the tray is popped out and drive test slide rail extension fast under the effect of extension spring, the circumstances that the pulling force that the usable extension spring produced when restoring to the throne simulation drawer was pulled out by the power under the user state. When the invention is used for testing, the trolley is used for driving the tray to stretch repeatedly and reciprocally, and the damage condition of the plastic piece of the sliding rail can be tested by the invention when the drawing times are appointed.
Preferably, the driving mechanism comprises a traction belt, a driving belt pulley, two driven belt pulleys, a tension pulley, a reduction gearbox and a driving motor, wherein the two driven belt pulleys are respectively arranged at two ends of a travel of the trolley, the traction belt is simultaneously in transmission connection with the driving belt pulley and the two driven belt pulleys and is fixedly connected with the trolley, the driving belt pulley is coaxially connected with an output shaft of the reduction gearbox, and the driving motor is coaxially connected with an input shaft of the reduction gearbox. After the structure is adopted, the driving mechanism can be utilized to drive the trolley to reciprocate and transversely move, specifically, the driving motor drives the driving belt pulley to rotate after being decelerated through the reduction gearbox and torque amplified, the driving belt pulley drives the traction belt to operate, finally, the trolley transversely moves along the guide rail under the traction action of the traction belt, and in addition, the tension of the traction belt can be controlled and adjusted through the tension pulley.
Preferably, the two test slide rail mounting brackets comprise a transverse slide bar extending transversely and a connecting piece connected with the transverse slide bar in a sliding manner, the connecting piece is connected with the test slide rail through a bolt, and meanwhile, the connecting piece is further connected with a locking bolt in a threaded manner. After the structure is adopted, the position of the connecting piece on the transverse slide bar can be adjusted through sliding, so that the connecting piece is matched with the mounting hole reserved on the test slide rail, the test slide rail is mounted, and in addition, the position of the connecting piece on the transverse slide bar is fixed through the jacking action of the locking bolt on the transverse slide bar.
Preferably, the starting end and the tail end of the travel of the cart are sequentially provided with two proximity switches, and the two proximity switches are respectively used for controlling the deceleration, the braking and the reciprocating of the cart. After the structure is adopted, the trolley sequentially passes through the two proximity switches when sliding to the tail end or the beginning end of the stroke, and respectively decelerates, brakes and reciprocates, so that the braking speed of the trolley is reduced, and the vibration during braking is reduced.
Preferably, buffer springs are arranged on two sides of the swing arm. The invention adopts the buffer spring to buffer the impact of the front shifting block and the rear shifting block on the swing arm.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic diagram of a second perspective structure of the present invention.
Fig. 3 is one of the side views of the present invention.
Fig. 4 is a second side view of the present invention.
Fig. 5 is a side view of the drive mechanism of the present invention.
Fig. 6 is a schematic perspective view of the locking mechanism of the present invention.
The device comprises a 1-frame, 11-guide rails, 2-test slide rail mounting brackets, 21-transverse slide bars, 22-connecting pieces, 23-locking bolts, 3-trays, 31-clamping blocks, 4-carts, 41-front shifting blocks, 42-rear shifting blocks, 51-traction belts, 52-driving pulleys, 53-driven pulleys, 54-reduction boxes, 55-driving motors, 56-tensioning wheels, 61-tension sensors, 62-proximity switches, 71-tension springs, 72-tension spring mounting frames, 8-locking mechanisms, 81-pawls, 82-pawl mounting frames, 83-swing arms, 84-buffer springs and 9-test slide rails.
Detailed Description
The technical scheme claimed in the invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 6, a slide rail plastic part testing machine in this embodiment includes a frame 1, test slide rail mounting brackets 2 disposed on both longitudinal sides of the frame 1, a tray 3 supported between two test slide rails 9, a cart 4 for pulling the tray 3 in a direction of extension and retraction of the test slide rails 9, a guide rail 11 for guiding the cart 4 to slide, a driving mechanism for driving the cart 4 to slide, a tension spring 71 for pulling out the tray 3, a tension spring mounting bracket 72, and a locking mechanism 8 for locking the tray 3; the test slide rail is arranged on the test slide rail mounting bracket 2 and slides in a transversely telescopic manner.
The locking mechanism 8 comprises a clamping block 31, a pawl 81, a pawl mounting rack 82 and a swing arm 83 coaxially connected with the pawl 81, which are arranged on the bottom surface of the tray 3, the cart 4 is fixedly connected with a front shifting block 41 and a rear shifting block 42 for shifting the swing arm 83, and buffer springs 84 are arranged on the front side and the rear side of the swing arm 83. When the pallet 3 is pushed in backward by the trolley 4, the tension spring 71 is lengthened to store energy, when the test slide rail 9 is contracted in place, the front shifting block 41 touches the swing arm 83 to drive the pawl 81 to swing, then the clamping block 31 on the bottom surface of the pallet 3 is clamped with the pawl 81, so that the position of the pallet 3 is fixed in the current state, when the trolley 4 is translated forward in place, the rear shifting block 42 touches the swing arm 83 to drive the pawl 81 to swing, the clamping block 31 and the pawl 81 are unbuckled, and meanwhile, under the action of the tension spring 71, the pallet 3 is rapidly ejected and drives the test slide rail 9 to stretch out, and the pull force generated when the tension spring 71 is reset can be utilized to simulate the situation that the drawer is pulled out under the use state. In this embodiment, the extension length of the extension spring 71 is 120 mm-150 mm, the tension generated when the extension spring 71 rebounds under the extension length reaches 75 n-85 n, the maximum tension applied to the slide rail 9 during use can be simulated, in addition, the extension spring 71 is not easy to cause serious metal fatigue under the extension length, and the stability and the continuity of the test can be ensured.
In this embodiment, the guide rail 11 and the pawl mounting rack 82 are both fixedly mounted on the traversing mounting seat, and the traversing mounting seat slides transversely relative to the frame 1, and meanwhile, a length adjusting mechanism of the guide rail 11 for driving the traversing mounting seat to slide transversely is configured; specifically, the length adjusting mechanism of the guide rail 11 is a transverse screw rod, and the transverse screw rod is in threaded connection with the transverse moving installation seat and is simultaneously in rotary connection with the frame 1. Because the guide rail 11 is fixedly arranged on the transverse moving installation seat, and meanwhile, the test slide rail installation support 2 cannot synchronously slide with the transverse moving installation seat, when the transverse screw rod is rotated to drive the transverse moving installation seat to transversely adjust, the maximum distance between the test slide rail 9 and the trolley 4 can be changed along with the transverse moving installation seat, and the stroke length of the trolley 4 relative to the test slide rail 9, namely the pull-out length of the slide rail, can be adjusted by the mode, so that the slide rail tester disclosed by the invention can be suitable for slide rails with various length dimensions.
In this embodiment, the driving mechanism includes a traction belt 51, a driving pulley 52, two driven pulleys 53, two tension pulleys 56, a reduction gearbox 54 and a driving motor 55, wherein two driven pulleys 53 are respectively disposed at two ends of the travel of the cart 4, the traction belt 51 is simultaneously connected with the driving pulley 52 and the two driven pulleys 53 in a transmission manner and is fixedly connected with the cart 4, the driving pulley 52 is coaxially connected with an output shaft of the reduction gearbox 54, and the driving motor 55 is coaxially connected with an input shaft of the reduction gearbox 54. The driving mechanism can be utilized to drive the cart 4 to reciprocate and transversely move, specifically, the driving motor 55 drives the driving belt pulley 52 to rotate after being decelerated through the reduction gearbox 54 and the torque is amplified, and drives the traction belt 51 to operate through the driving belt pulley 52, finally, the cart 4 transversely moves along the guide rail 11 under the traction action of the traction belt 51, and meanwhile, the tension of the traction belt 51 can be adjusted through the tension pulley 56.
In addition, the stroke end and the starting end of the cart 4 are sequentially provided with two sets of proximity switches 62, the two proximity switches are respectively used for controlling the cart 4 to decelerate, brake and reciprocate, the cart 4 sequentially passes through the two proximity switches 62 and respectively decelerates and brakes when sliding to the stroke end or the starting end, the braking speed of the cart 4 is reduced, the vibration during braking is reduced, and the PLC in the embodiment also counts the completed stroke of the cart 4 according to the feedback signals of the two proximity switches 62, so that the test times are counted. In addition, a tension sensor 61 is connected between the tension spring 71 and the tray 3 or the tension spring mounting frame 72.
In this embodiment, the method for testing the slide rail 9 by using the slide rail tester is as follows:
s1, installing a test sliding rail 9 and a tray 3, and placing a weight of 5kg in the tray 3 according to actual conditions.
S2, setting the test termination times.
S3, running the slide rail plastic part testing machine, after the trolley 4 moves for one round trip, the PLC counts the completion stroke of the trolley 4 according to the feedback signal of the proximity switch 62, along with the continuous round trip movement of the trolley 4, the tray 3 is continuously pulled out rapidly by the tension spring 71, and after the test slide rail 9 is pulled out to the maximum length, the slide rail plastic part can be impacted by the inner rail and generate certain degree of loosening deformation, when the number of times of pulling out the test slide rail 9 is continuously increased, the more serious the damage loosening degree of the slide rail plastic part is, when the number of times of round trip of the trolley 4 reaches the number of times of test termination, the test is stopped, and the staff can detect the loosening condition of the plastic part so as to detect the damage degree of the slide rail buffering plastic part after repeated stretching for many times.
With the test slide rail 9 continuously and repeatedly stretching, the test slide rail 9 gradually wears out and the stretching friction resistance increases, and as the cart 4 is set to pull the tray 3 with constant tension, the time of one travel of the cart 4 gradually increases, namely the speed gradually decreases, when the speed decreases to the test termination speed, the test is finished, and at the moment, the maximum stretching times of the test slide rail 9 in normal use can be judged according to the stretching times of the test slide rail 9.
The above-described embodiments are merely preferred embodiments of the present invention, and are not intended to limit the present invention in any way. Any person skilled in the art can make many more possible variations and modifications of the technical solution of the present invention or modify equivalent embodiments without departing from the scope of the technical solution of the present invention by using the technical content disclosed above. Therefore, all equivalent changes according to the inventive concept are covered by the protection scope of the invention without departing from the technical scheme of the invention.
Claims (3)
1. A slide rail working of plastics test machine, its characterized in that: the device comprises a rack (1), test slide rail mounting brackets (2) arranged on two longitudinal sides of the rack (1), a tray (3) borne between two test slide rails (9), a trolley (4) for pulling the tray (3) along the extension direction of the test slide rails (9), a guide rail (11) for guiding the trolley (4) to slide, a driving mechanism for driving the trolley (4) to slide, a tension spring (71) for pulling out the tray (3), a tension spring mounting frame (72) and a locking mechanism (8) for locking the tray (3); the test slide rail (9) is arranged on the test slide rail mounting bracket (2) and slides in a transversely telescopic manner, the locking mechanism (8) comprises a clamping block (31), a pawl (81), a pawl mounting frame (82) and a swing arm (83) which is coaxially connected with the pawl (81) which are arranged on the bottom surface of the tray (3), the trolley (4) is fixedly connected with a front shifting block (41) and a rear shifting block (42) which are used for shifting the swing arm (83), a tension spring (71) is connected with a tension sensor (61) between the tray (3) or the tension spring mounting frame (72), the driving mechanism comprises a traction belt (51), a driving belt pulley (52), two driven belt pulleys (53), a tension pulley (56), a reduction gearbox (54) and a driving motor (55), wherein the two driven belt pulleys (53) are respectively arranged at two ends of a stroke of the trolley (4), the traction belt (51) is simultaneously connected with the driving belt pulley (52) and the two driven belt pulleys (53) in a transmission manner and is fixedly connected with the trolley (4), the driving belt pulley (52) is coaxially connected with an output shaft of the reduction gearbox (54), the two test slide rail mounting brackets (2) comprise transverse slide bars (21) which extend transversely and connecting pieces (22) which are connected with the transverse slide bars (21) in a sliding mode, the connecting pieces (22) are connected with the test slide rails (9) through bolts, and meanwhile the connecting pieces (22) are connected with locking bolts (23) through threads.
2. The slide rail plastic part testing machine according to claim 1, wherein: and the stroke tail end and the starting end of the trolley (4) are respectively provided with two proximity switches (62) in sequence, and the two proximity switches are respectively used for controlling the speed reduction, the braking and the reciprocating of the trolley (4).
3. The slide rail plastic part testing machine according to claim 1, wherein: buffer springs (54) are arranged on two sides of the swing arm (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811341994.8A CN109470461B (en) | 2018-11-12 | 2018-11-12 | Slide rail working of plastics test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811341994.8A CN109470461B (en) | 2018-11-12 | 2018-11-12 | Slide rail working of plastics test machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109470461A CN109470461A (en) | 2019-03-15 |
| CN109470461B true CN109470461B (en) | 2024-07-09 |
Family
ID=65671735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811341994.8A Active CN109470461B (en) | 2018-11-12 | 2018-11-12 | Slide rail working of plastics test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109470461B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018051B (en) * | 2019-05-13 | 2021-11-16 | 江苏塑光汽车部件有限公司 | Device and method for testing strength of automobile air conditioner condenser |
| CN114778103B (en) * | 2022-06-17 | 2022-10-28 | 深圳市永达电子信息股份有限公司 | Automatic testing device and method for detecting structural tightness of component |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209432415U (en) * | 2018-11-12 | 2019-09-24 | 佛山市格菲卡金属制品有限公司 | A kind of sliding rail plastic part test machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29621544U1 (en) * | 1996-12-12 | 1998-04-09 | Westermann Kg, 59759 Arnsberg | Rail-mounted built-in drawer |
| CN1995953A (en) * | 2006-12-22 | 2007-07-11 | 陈柯杰 | Disinfection cabinet drawer life test machine |
| CN203785884U (en) * | 2014-04-09 | 2014-08-20 | 无锡晶美精密滑轨有限公司 | Circular test machine for sliding rail |
| CN104458244B (en) * | 2014-12-30 | 2017-05-31 | 东莞市景瑜实业有限公司 | A kind of bag lock multifunctional integrated test machine |
| WO2017028879A1 (en) * | 2015-08-14 | 2017-02-23 | Hans Schourup A/S | Pallet pull-out assembly |
| CN105686420B (en) * | 2016-03-28 | 2018-03-16 | 海宁金茂五金有限公司 | A kind of slide rail and its detection means |
-
2018
- 2018-11-12 CN CN201811341994.8A patent/CN109470461B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209432415U (en) * | 2018-11-12 | 2019-09-24 | 佛山市格菲卡金属制品有限公司 | A kind of sliding rail plastic part test machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109470461A (en) | 2019-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11199471B2 (en) | System and method for testing aerodynamic characteristic of high-speed moving vehicle-bridge system and subsidiary facilities thereof under crosswind | |
| CN109470461B (en) | Slide rail working of plastics test machine | |
| CN102147324A (en) | Impact tester for scooter | |
| CN109470561B (en) | Slide rail testing machine | |
| WO2021132043A1 (en) | Impact test device | |
| CN107860585A (en) | A kind of head-on collision type chassis power set | |
| CN102331333B (en) | Impact property detection comprehensive tester for baby carriage | |
| CN108731946B (en) | Front offset crash test system and method | |
| CN109443729B (en) | Test device and test method for simulating rolling of automobile | |
| CN201993221U (en) | Scooter impact tester | |
| CN209432415U (en) | A kind of sliding rail plastic part test machine | |
| CN209745692U (en) | Slide rail test machine | |
| CN210664973U (en) | Trundle impact tester | |
| CN219870656U (en) | Tensile detection device of two high muscle reinforcing polyethylene winding pipe | |
| CN110877754B (en) | Force feedback device of airplane accelerator simulation equipment | |
| CN206593966U (en) | A kind of attenuation test device of extension spring and compression spring | |
| CN2670934Y (en) | Gravity type bidirectional analog loading device | |
| CN111141618B (en) | Table square loading testing device | |
| CN204064604U (en) | A kind of Drop Shock Machine | |
| CN112278679A (en) | Stacker with anti-collision structure | |
| CN212807894U (en) | Track material contrast test device | |
| CN216309378U (en) | Seat slide rail stop point impact testing device | |
| CN216846839U (en) | High-adaptability drawer slide rail tester | |
| CN216189135U (en) | Automatic feeding and discharging structure of efficient test board | |
| CN217304377U (en) | Car ABS braking ECU communication adapter return mechanism for checkout stand |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |