CN109470461A - A kind of sliding rail plastic part test machine - Google Patents
A kind of sliding rail plastic part test machine Download PDFInfo
- Publication number
- CN109470461A CN109470461A CN201811341994.8A CN201811341994A CN109470461A CN 109470461 A CN109470461 A CN 109470461A CN 201811341994 A CN201811341994 A CN 201811341994A CN 109470461 A CN109470461 A CN 109470461A
- Authority
- CN
- China
- Prior art keywords
- sliding rail
- cart
- pallet
- test
- tension spring
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 73
- 229920003023 plastic Polymers 0.000 title claims abstract description 24
- 239000004033 plastic Substances 0.000 title claims abstract description 24
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000013459 approach Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000000528 statistical test Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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
Abstract
The invention discloses a kind of sliding rail plastic part test machines, including rack, the test sliding rail mounting bracket for being set to stands longitudinal two sides, the pallet being carried between two test sliding rails, for drawing the pallet along cart, the guide rail for guiding the cart to slide, the driving mechanism for driving the cart to slide, the tension spring for pulling out pallet, the tension spring mounting rack, the retaining mechanism for being used to lock pallet in test slide track telescopic direction；Test sliding rail is installed in test sliding rail mounting bracket and transversely telescopic slide, the retaining mechanism includes the fixture block for being set to tray bottom surface, pawl, pawl mounting rack and the swing arm coaxially connected with pawl, the cart is also fixedly connected with preceding shifting block and rear shifting block for stirring swing arm, is connected with tension sensor between the tension spring and pallet or tension spring mounting rack.
Description
Technical field
The present invention relates to guide rail the field of test technology more particularly to a kind of sliding rail plastic part test machines.
Background technique
Heavy drawer sliding rail is generally used on the drawer of heavier loads, such as workshop tools case and fire fighting truck tool box
Deng.In order to reduce the push-and-pull resistance of heavy drawer sliding rail, gap and middle rail generally between its internal rail and middle rail two sides with
Gap between outer rail two sides is equipped with ball item, realizes being slidably connected between above-mentioned three, in order to prevent its internal rail, middle rail
With outer rail derailing and buffering slide stretch when shock, usually sliding rail end installation sliding rail plastic part with carry out limit and
Buffering.
Since sliding rail inevitably makes sliding rail plastic part loosen and damage in use, in order to guarantee that sliding rail can be
It, which is loosened, in the service life of design does not influence normal use with damaged condition, needs to carry out multi-drawing test to sliding rail, so
And existing means of testing cannot simulate percussion when sliding rail is quickly pulled out to sliding rail plastic part, causing can test result
Confidence level it is lower.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of structure novel, sliding rail can be tested multiple
The sliding rail plastic part test machine of repeated stretching aft ramp buffering plastic part damaged condition.
In order to achieve the goal above, the technical solution adopted in the present invention is as follows:
A kind of sliding rail plastic part test machine including rack, the test sliding rail mounting bracket that is set to stands longitudinal two sides, is carried on
Pallet between two test sliding rails, for draw the pallet along the cart in test slide track telescopic direction, for guiding described push away
Guide rail that vehicle slides, the driving mechanism for driving the cart to slide, the tension spring for pulling out pallet, tension spring mounting rack,
For locking the retaining mechanism of pallet；Test sliding rail is installed in test sliding rail mounting bracket and transversely telescopic slide, described
Retaining mechanism includes the fixture block for being set to tray bottom surface, pawl, pawl mounting rack and the swing arm coaxially connected with pawl, described
Cart is also fixedly connected with preceding shifting block and rear shifting block for stirring swing arm, connects between the tension spring and pallet or tension spring mounting rack
It is connected to tension sensor.
The beneficial effects of the present invention are: sliding rail plastic part test machine of the invention, pallet is tested sliding rail carrying can mould
State after quasi- sliding rail and drawer installation, while counterweight can be put on pallet according to test request and increase the negative of test sliding rail
It carries.Pallet pulls out push-in to drive test sliding rail sliding extension, when pallet is past by cart repeatedly under traction of cart or so
Pusher is fashionable, and tension spring is elongated accumulation of energy, and when testing sliding rail contraction in place, preceding shifting block touching swing arm band pawl is swung, then
The fixture block of tray bottom surface is engaged with pawl to making the position of pallet be fixed on current state, when cart is translate forward in place its
Shifting block touching swing arm band pawl is swung afterwards, and fixture block is unbuttoned with pawl, while pallet is quickly popped up simultaneously under the action of tension spring
Test sliding rail is driven to stretch out, the feelings that the pulling force simulation drawer generated when resetting using tension spring is pulled out energetically in a state of use
Scape.The present invention drives pallet repeatedly back and forth to stretch when testing, using cart, can test the plastics of sliding rail through the invention
The damaged condition of part its plastic part in specified pull-out number.
Preferably, the driving mechanism includes traction belts, drive pulley, two driven pulleies, expansion tightening wheel, deceleration
Case and driving motor, wherein two driven pulleies are respectively arranged at cart stroke both ends, the traction belts simultaneously with
Drive pulley and two driven pulleies are sequentially connected and are fixedly connected with cart, the output of the drive pulley and reduction gearbox
Axis is coaxially connected, and the input shaft of the driving motor and reduction gearbox is coaxially connected.The present invention with the above structure, using drive
Motivation structure drives the reciprocal transverse shifting of cart, and specifically, driving motor drives after being amplified by reduction gearbox deceleration and torque and leads
Pulley rotation is moved, and traction belts operation is driven by drive pulley, finally the cart under the draw of traction belts
Along guide rail transverse shifting, it can additionally pass through expansion tightening wheel control section traction belts tension.
Preferably, the two tests sliding rail mounting bracket includes the horizontal sliding bar being laterally extended and the institute that is slidably connected
The connector on horizontal sliding bar is stated, is bolted between the connector and test sliding rail, while the connector also spiral shell
Line is connected with clamping screw.The present invention with the above structure, position of the slidable adjustment connector on horizontal sliding bar can be passed through
It is set with the mounting hole reserved on test sliding rail to cooperate that test sliding rail is installed, in addition, using clamping screw to horizontal sliding bar
Press effect fix position of the connector on horizontal sliding bar.
Preferably, the starting point and end of the stroke of the cart are disposed with two and approach switch, and two described approach are opened
Pass be respectively used to control cart slow down, brake and round-trip.The present invention with the above structure, cart slides into end of travel or rises
Successively pass through two close switches when beginning and slowed down respectively, brake and back and forth, reduce the brake speed of cart, reduces brake
When vibration.
Preferably, the swing arm two sides are provided with buffer spring.The present invention can buffer preceding shifting block with after using buffer spring
Shock of the shifting block to swing arm.
Detailed description of the invention
Fig. 1 is one of schematic perspective view of the invention.
Fig. 2 is the two of schematic perspective view of the invention.
Fig. 3 is one of side view of the invention.
Fig. 4 is the two of side view of the invention.
Fig. 5 is the side view of driving mechanism of the invention.
Fig. 6 is the schematic perspective view of retaining mechanism of the invention.
Wherein, 1- rack, 11-guide rails, 2- test sliding rail mounting bracket, 21- horizontal sliding bar, 22- connector, 23- locking
Bolt, 3- pallet, 31- fixture block, 4- cart, shifting block before 41-, shifting block after 42-, 51- traction belts, 52- drive pulley, 53-
Driven pulley, 54- reduction gearbox, 55- driving motor, 56- expansion tightening wheel, 61- tension sensor, the close switch of 62-, 71- tension spring,
72- tension spring mounting rack, 8- retaining mechanism, 81- pawl, 82- pawl mounting rack, 83- swing arm, 84- buffer spring, 9- test are slided
Rail.
Specific embodiment
Claimed technical solution of the invention is described in further detail now in conjunction with the drawings and specific embodiments.
Referring to shown in Fig. 1 to Fig. 6, one of the present embodiment sliding rail plastic part test machine, including rack 1, it is set to machine
The test sliding rail mounting bracket 2 of the longitudinal two sides of frame 1, the pallet 3 being carried between two test sliding rails 9, for drawing the pallet 3
Along the cart 4 of test 9 telescopic direction of sliding rail, the guide rail 11 for guiding the cart 4 to slide, for driving the cart 4 sliding
Capable driving mechanism, the tension spring 71 for pulling out pallet 3, tension spring mounting rack 72, the retaining mechanism 8 for being used to lock pallet 3；
Examination sliding rail is installed in test sliding rail mounting bracket 2 and transversely telescopic slide.
The retaining mechanism 8 includes fixture block 31, pawl 81, pawl mounting rack 82 and and the spine for being set to 3 bottom surface of pallet
The coaxially connected swing arm 83 of pawl 81, the cart 4 are also fixedly connected with preceding shifting block 41 and rear shifting block 42 for stirring swing arm 83,
83 front and rear sides of swing arm are provided with buffer spring 84.When pallet 3 is pushed rearwardly by cart 4, tension spring 71 is elongated accumulation of energy, when
When testing sliding rail 9 and shrinking in place, preceding shifting block 41 is touched swing arm 83 and is swung with pawl 81, the fixture block 31 of subsequent 3 bottom surface of pallet with
The engaging of pawl 81 is to make the position of pallet 3 be fixed on current state, and when cart 4 is translate forward in place, shifting block 42 is touched thereafter
Swing arm 83 is swung with pawl 81, and fixture block 31 is unbuttoned with pawl 81, while pallet 3 is quickly popped up simultaneously under the action of tension spring 71
Test sliding rail 9 is driven to stretch out, the pulling force simulation drawer generated when resetting using tension spring 71 is pulled out energetically in a state of use
Scene.In the present embodiment, the collapsing length of tension spring 71 is 120mm ~ 150mm, which produces when springing back
Raw pulling force reaches 75N ~ 85N, and the maximum pull that analog sliding rail 9 is subject to when in use, furthermore tension spring 71 is in the flexible length
Serious metal fatigue is not easily caused under degree, can guarantee test stability and can continuity.
In the present embodiment, in the present embodiment, the guide rail 11 is fixedly installed in the cross with pawl mounting rack 82
It moves in mounting base, traversing mounting base slides laterally with respect to rack 1, while configured with for driving traversing mounting base to slide laterally tune
11 length adjustment mechanism of guide rail of section；Specifically, 11 length adjustment mechanism of guide rail be cross lead screw, cross lead screw with it is traversing
Mounting base is threadedly coupled and is rotatablely connected simultaneously with rack 1.Since guide rail 11 is fixedly installed in traversing mounting base, at the same again due to
Testing sliding rail mounting bracket 2 therefore cannot drive traversing mounting base by rotation cross lead screw with traversing mounting base synchronous slide
When transversely adjusting, testing maximum distance between sliding rail 9 and cart 4 can change therewith, and cart 4 is adjusted using aforesaid way
The stroke length of opposite test sliding rail 9, i.e. the pull-out length of sliding rail, so that it is a variety of to be applicable to sliding rail test machine of the invention
The sliding rail of length dimension.
In the present embodiment, driving mechanism includes traction belts 51, drive pulley 52, two driven pulleies 53, two
Expansion tightening wheel 56, reduction gearbox 54 and driving motor 55, wherein two driven pulleies 53 are respectively arranged at 4 stroke two of cart
End, the traction belts 51 are sequentially connected with drive pulley 52 and two driven pulleies 53 simultaneously and are fixedly connected with cart 4,
The output shaft of the drive pulley 52 and reduction gearbox 54 is coaxially connected, and the input shaft of the driving motor 55 and reduction gearbox 54 is same
Axis connection.The reciprocal transverse shifting of cart 4 is driven using driving mechanism, specifically, driving motor 55 is slowed down by reduction gearbox 54
And drive drive pulley 52 to rotate after torque amplification, and drive traction belts 51 to run by drive pulley 52, finally
Cart 4 adjusts traction belts along 11 transverse shifting of guide rail, while using expansion tightening wheel 56 under the draw of traction belts 51
51 tension.
In addition, the end of travel of the cart 4 and starting point, which are disposed with two groups, approaches switches 62, two described approach are opened
Pass is respectively used to control cart 4 and slows down, brakes and back and forth, two are successively passed through when cart 4 slides into end of travel or starting point and is connect
Nearly switch 62 is simultaneously slowed down respectively and is braked, the brake speed of reduction cart 4, vibration when reduction is braked, in the present embodiment
PLC completes stroke to cart 4 also according to the feedback signal of two close switches 62 and counts, thus statistical test number.In addition,
Tension sensor 61 is connected between the tension spring 71 and pallet 3 or tension spring mounting rack 72.
In the present embodiment, the method using sliding rail test machine test sliding rail 9 is as follows:
S1. installation test sliding rail 9 and pallet 3, and the counterweight of 5kg is put into pallet 3 according to the actual situation.
S2. EOT end of test number is set.
S3. sliding rail plastic part test machine is run, PLC is also according to close switch 62 after the mobile round trip of cart 4
Feedback signal is completed stroke to cart 4 and is counted, and as cart 4 constantly moves back and forth, pallet 3 is constantly quick by tension spring 71
It pulls out, and after test sliding rail 9 is drawn out to maximum length, sliding rail plastic part can be hit by its internal rail and generate certain journey
Degree loosens deformation, and when the number that test sliding rail 9 is drawn out constantly increases, it is tighter that the damage of sliding rail plastic part loosens degree
Weight, when the round-trip number of cart 4 reaches EOT end of test number, test stops, and the detectable plastic part of staff loosens situation
Aft ramp buffering plastic part damaged condition is stretched to detect multiplicating.
As test sliding rail 9 constantly stretches repeatedly, the frictional resistance that test sliding rail 9 gradually wears out to stretch increases, by
Pallet 3 is pulled with constant force in setting cart 4, therefore the time of the mobile stroke of cart 4 can gradually increase, i.e., speed by
Gradually decline, when its speed drops to EOT end of test speed, test terminates, and can be sentenced at this time according to the drawing numbers of test sliding rail 9
Maximum stretchable number of the disconnected test sliding rail 9 in normal use.
The embodiment of the above is only presently preferred embodiments of the present invention, not does limit in any form to the present invention
System.Anyone skilled in the art, without departing from the scope of the technical proposal of the invention, all using the disclosure above
Technology contents more possible variations and retouching are made to technical solution of the present invention, or be revised as the equivalence enforcement of equivalent variations
Example.Therefore all contents without departing from technical solution of the present invention, equivalent equivalence changes, should all cover made by thinking according to the present invention
In in protection scope of the present invention.
Claims (5)
1. a kind of sliding rail plastic part test machine, it is characterised in that: including rack (1), be set to the tests of the longitudinal two sides of rack (1)
Sliding rail mounting bracket (2), the pallet (3) being carried between two test sliding rails (9) are slided for drawing the pallet (3) along test
The cart (4) of rail (9) telescopic direction, the guide rail (11) for guiding the cart (4) to slide, for driving the cart (4)
The driving mechanism slided, the tension spring (71), the tension spring mounting rack (72), the lock for locking pallet (3) that are used to pull out pallet (3)
Tight mechanism (8)；Test sliding rail (9) is installed in test sliding rail mounting bracket (2) and transversely telescopic slide, the retaining mechanism
It (8) include being set to the fixture block (31) of pallet (3) bottom surface, pawl (81), pawl mounting rack (82) and coaxial with pawl (81)
The swing arm (83) of connection, the cart (4) are also fixedly connected with preceding shifting block (41) and rear shifting block for stirring swing arm (83)
(42), tension sensor (61) are connected between the tension spring (71) and pallet (3) or tension spring mounting rack (72).
2. a kind of sliding rail plastic part test machine according to claim 1, it is characterised in that: the driving mechanism includes to lead
Draw belt (51), drive pulley (52), two driven pulleies (53), expansion tightening wheel (56) reduction gearbox (54) and driving motor
(55), wherein two driven pulleies (53) are respectively arranged at cart (4) stroke both ends, the traction belts (51) simultaneously with
Drive pulley (52) and two driven pulleies (53) are sequentially connected and are fixedly connected with cart (4), the drive pulley
(52) coaxially connected with the output shaft of reduction gearbox (54), the driving motor (55) and the input shaft of reduction gearbox (54) coaxially connect
It connects.
3. a kind of sliding rail plastic part test machine according to claim 1, it is characterised in that: the two tests sliding rail installation branch
Frame (2) includes the horizontal sliding bar (21) being laterally extended and the connector being slidably connected on the horizontal sliding bar (21)
(22), it is bolted between the connector (22) and test sliding rail (9), while the connector (22) is also threadedly coupled
There are clamping screw (23).
4. a kind of sliding rail plastic part test machine according to claim 1, it is characterised in that: the stroke end of the cart (4)
End and starting point are disposed with two close to switch (62), and the two close switches are respectively used to control cart (4) and slow down, stop
Vehicle and round-trip.
5. a kind of sliding rail plastic part test machine according to claim 1, it is characterised in that: swing arm (83) the two sides setting
There are buffer spring (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811341994.8A CN109470461A (en) | 2018-11-12 | 2018-11-12 | A kind of sliding rail plastic part test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811341994.8A CN109470461A (en) | 2018-11-12 | 2018-11-12 | A kind of sliding rail plastic part test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109470461A true CN109470461A (en) | 2019-03-15 |
Family
ID=65671735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811341994.8A Pending CN109470461A (en) | 2018-11-12 | 2018-11-12 | A kind of sliding rail plastic part test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109470461A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018051A (en) * | 2019-05-13 | 2019-07-16 | 孙大慧 | A kind of automotive air-conditioning condenser strength testing device and its method |
| CN114778103A (en) * | 2022-06-17 | 2022-07-22 | 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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0852920A2 (en) * | 1996-12-12 | 1998-07-15 | Westermann Kommanditgesellschaft | Rail guided 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 |
| CN104458244A (en) * | 2014-12-30 | 2015-03-25 | 东莞市景瑜实业有限公司 | Multifunctional comprehensive testing machine for luggage locks |
| CN105686420A (en) * | 2016-03-28 | 2016-06-22 | 海宁金茂五金有限公司 | Novel sliding rail and detection device thereof |
| WO2017028879A1 (en) * | 2015-08-14 | 2017-02-23 | Hans Schourup A/S | Pallet pull-out assembly |
| 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 |
-
2018
- 2018-11-12 CN CN201811341994.8A patent/CN109470461A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0852920A2 (en) * | 1996-12-12 | 1998-07-15 | Westermann Kommanditgesellschaft | Rail guided 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 |
| CN104458244A (en) * | 2014-12-30 | 2015-03-25 | 东莞市景瑜实业有限公司 | Multifunctional comprehensive testing machine for luggage locks |
| WO2017028879A1 (en) * | 2015-08-14 | 2017-02-23 | Hans Schourup A/S | Pallet pull-out assembly |
| CN105686420A (en) * | 2016-03-28 | 2016-06-22 | 海宁金茂五金有限公司 | Novel sliding rail and detection device thereof |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018051A (en) * | 2019-05-13 | 2019-07-16 | 孙大慧 | A kind of automotive air-conditioning condenser strength testing device and its method |
| CN114778103A (en) * | 2022-06-17 | 2022-07-22 | 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 |
| 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 |
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