CN204575442U - A kind of metal wire rod length growth rate test for tensile strength instrument - Google Patents
A kind of metal wire rod length growth rate test for tensile strength instrument Download PDFInfo
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- CN204575442U CN204575442U CN201520172157.2U CN201520172157U CN204575442U CN 204575442 U CN204575442 U CN 204575442U CN 201520172157 U CN201520172157 U CN 201520172157U CN 204575442 U CN204575442 U CN 204575442U
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- fixture block
- positioning pin
- clamping block
- guide positioning
- internal clamping
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Abstract
The utility model discloses a kind of metal wire rod length growth rate test for tensile strength instrument, comprise cabinet, the frame be arranged on cabinet, clamp assembly, propulsion system, fixture mobile device, sensor, display device; Fixture mobile device comprises ball screw, vertical female silk seat, rack-mounted guiding polished rod; The one side of described internal clamping block and outer fixture block is on platen surface, another side and is equipped with tooth; Described upper fixture or lower clamp include fixture block overturn structure: grip slipper is provided with guide positioning pin, internal clamping block and outer fixture block are equipped with the through hole that can pass for guide positioning pin, internal clamping block and outer fixture block to be all sleeved on guide positioning pin by through hole and can be removed turn over turnback after again cover install on guide positioning pin.The utility model with to glass-coated microwire and in the length growth rate tensile strength of the large line function of testing.As long as overturn outer fixture block wherein as required, just can respectively to glass-coated microwire and in large line test.
Description
Technical field
The utility model relates to metal wire rod detection technique field.
Background technology
In reality, need that copper wire is comprised to various wire rod, aluminium wire, aluminum-magnesium alloy wire, iron wire metal material wire rod length growth rate tensile strength tests.Length growth rate test for tensile strength detecting instrument is mainly used in length growth rate, tensile strength, the pulling force peak value of testing wire rod.Existing metal wire rod length growth rate test for tensile strength detecting instrument often only has a kind of single pattern, not with to glass-coated microwire and in the length growth rate tensile strength of the large line function of testing, have some limitations in practice.Meanwhile, ball screw side of the prior art does not adopt three polished rods that lead to carry out balance location, easily occurs that the phenomenon that ball screw shake is skidded, stability need to be improved further.Prior art adopts synchronous motor, and its noise is large, torque is little, speed is non-adjustable.The display device many uses button operation adopted and liquid crystal display, envelop of function is little.Fixture does not have broken paint function automatically, and clamp is tight not.In existing fixture, the surface structure function on a fixture block two sides being positioned at the activity in outside is similar and can not overturn, and can only move forward and backward.
Utility model content
Technical problem to be solved in the utility model is, provides a kind of metal wire rod length growth rate test for tensile strength instrument, its with to glass-coated microwire and in the length growth rate tensile strength of the large line function of testing.
The technical solution of the utility model: a kind of metal wire rod length growth rate test for tensile strength instrument, comprises cabinet, the fixture mobile device of the frame be arranged on cabinet, clamp assembly, the propulsion system be arranged in cabinet, connecting power device, the sensor being arranged on upper rack, the display device be arranged on cabinet; Described fixture mobile device comprises ball screw, vertical female silk seat, rack-mounted guiding polished rod; Ball screw is arranged in frame, and ball screw is through being threaded connection mode with vertical female silk seat and being flexibly connected, the lower end connecting power device of ball screw in the middle part of vertical female silk seat; Vertical female silk cover for seat be contained in guiding polished rod on and when ball screw rotates vertical female silk seat can under ball screw effect edge lead polished rod move up and down; Described sensor connects display device; Described clamp assembly comprises fixture, lower clamp, described upper fixture connecting sensor, and lower clamp is arranged on vertical female silk seat; Two fixture blocks that described upper fixture, lower clamp include grip slipper and be oppositely arranged: the outer fixture block being arranged on the internal clamping block on grip slipper and being positioned at outside internal clamping block; The grip slipper of upper fixture connects on a sensor, and the grip slipper of lower clamp is arranged on vertical female silk seat; The one side of described internal clamping block is platen surface, another side is provided with tooth; The one side of described outer fixture block is platen surface, another side is provided with tooth; Described grip slipper is provided with guide positioning pin, internal clamping block and outer fixture block are equipped with the through hole that can pass for guide positioning pin, internal clamping block by through hole be enclosed within to be arranged on after on guide positioning pin on grip slipper and can be removed turn over turnback after be enclosed within after on guide positioning pin by through hole again and be installed on grip slipper; Outer fixture block to be sleeved on guide positioning pin by through hole and can be removed turn over turnback after again cover install on guide positioning pin.
Described metal wire rod length growth rate test for tensile strength instrument also comprises set lever and is fixedly installed on the screw rod on grip slipper, screw vent is equipped with in the middle part of described internal clamping block He in the middle part of outer fixture block, described screw rod is flexibly connected through being threaded connection mode with set lever after screw vent, and described outer fixture block and internal clamping block can be removed along screw rod.
Described guiding polished rod has three, and three guiding polished rods are positioned at the periphery of ball screw, and the top and bottom of described guiding polished rod are all fixedly connected in frame.Described guide positioning pin has two, and beyond two guide positioning pins, the vertical center line of fixture block and internal clamping block is that axis of symmetry is symmetricly set on grip slipper, and described guide positioning pin is set with back-moving spring, and described back-moving spring is between internal clamping block and outer fixture block.
Described display device comprises display screen, and described display screen is text screen.
Described propulsion system comprise servomotor.
Described sensor can be replaced, and its replacing scope is 50-3000 ox sensor.
Described metal wire rod length growth rate test for tensile strength instrument also comprises the clamp locking mechanism be arranged on outer fixture block.
The utility model with to glass-coated microwire and in the length growth rate tensile strength of the large line function of testing.Adopt the utility model, as long as the internal clamping block overturn as required wherein and outer fixture block, just can respectively to glass-coated microwire and in greatly line test.Compare with the synchronous motor that adopts in prior art, the utility model adopts servomotor, and noise is little, and speed is adjustable, and accommodation is wider more.Three guiding polished rods can also auxiliary positioning, can prevent ball screw from shaking, skid, and when making work, ball screw is more stable.The one side of internal clamping block and outer fixture block is platen surface, another side and is all designed to the band flank of tooth (being provided with the one side of tooth), locks handle, can clamp wire rod better, can not skid after clamp.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the utility model metal wire rod length growth rate test for tensile strength instrument.
Fig. 2 is the left TV structure schematic diagram of the utility model metal wire rod length growth rate test for tensile strength instrument.
Fig. 3 is left TV structure (broken section) schematic diagram of the lower clamp in the utility model.
Description of reference numerals: 1-cabinet, 2-lower supporting plate, 3-ball screw, the vertical female silk seat of 4-, 5-leads polished rod, 6-frame, 7-hood, 8-boatswain chair, 9-ball thrust bearing, 10-sensor support base, 11-optoelectronic switch, 12-optoelectronic switch support, 13-ball bearing, the large belt wheel of 14-, 15-servomotor, 16-servo-driver, 17-Switching Power Supply, 18-wave filter, 19-servo-driver support, 20-display screen, 21-lower clamp, the upper fixture of 22-, 23-sensor, 24-handle ball, 25-set lever, 26-cap, 27-screw rod, 28-screw, 29-packing ring, 30-internal clamping block, 31-guide positioning pin, 32-back-moving spring, 33-grip slipper, 34-insulcrete, 35-insulation sleeve, the outer fixture block of 36-.
Embodiment
As shown in Figure 1 to Figure 3, a kind of metal wire rod length growth rate test for tensile strength instrument, comprise cabinet 1, lower supporting plate 2, ball screw 3, vertical female silk seat 4, guiding polished rod 5, frame 6, hood 7, boatswain chair 8, ball thrust bearing 9, sensor support base 10, optoelectronic switch 11, optoelectronic switch support 12, ball bearing 13, large belt wheel 14, servomotor 15, servo-driver 16, Switching Power Supply 17, wave filter 18, servo-driver support 19, display screen 20, lower clamp 21, upper fixture 22, sensor 23, handle ball 24, set lever 25, cap 26, screw rod 27, screw 28, packing ring 29, internal clamping block 30, guide positioning pin 31, back-moving spring 32, grip slipper 33, insulcrete 34, insulation sleeve 35, outer fixture block 36.Sensor adopts pulling force sensor.Wherein do not mark fixture, lower clamp and sensor in Fig. 1.
Frame is arranged on cabinet, and frame is combined rack, is provided with lower supporting plate bottom frame, is provided with boatswain chair above frame, has hood outside frame, frame is also provided with optoelectronic switch 11, optoelectronic switch support 12.Sensor is arranged on upper rack by sensor support base 10, and sensor connects display device.Propulsion system are arranged in cabinet, cabinet are also provided with Switching Power Supply 17, wave filter 18.Propulsion system comprise the ingredients such as servomotor 15, servo-driver 16, servo-driver support 19.Fixture mobile device comprises the ingredients such as ball screw, vertical female silk seat, three guiding polished rods.Two guiding polished rods are arranged on frame both sides respectively; Ball screw is arranged in frame by ball thrust bearing 9, ball bearing 13, and ball screw is through being threaded connection mode with vertical female silk seat and being flexibly connected in the middle part of vertical female silk seat, and the lower end of ball screw is by large belt wheel 14 connecting power device.The two ends of vertical female silk seat are set on guiding polished rod and vertical female silk seat can move up and down by the edge polished rod that leads under ball screw effect when ball screw rotates.Display device (comprise display screen, display screen preferably adopts text to shield) is arranged on cabinet.Clamp assembly comprises fixture, lower clamp, and described upper fixture is installed on a sensor, and lower clamp to be arranged on vertical female silk seat and can to move with the movement of vertical female silk seat.Two fixture blocks that described upper fixture, lower clamp include grip slipper and be oppositely arranged: the outer fixture block being arranged on the internal clamping block on grip slipper and being positioned at outside internal clamping block; The grip slipper of upper fixture hangs on a sensor, and grip slipper and the sensor of upper fixture are fixedly connected, and the grip slipper of lower clamp is arranged on vertical female silk seat; The one side of described internal clamping block is platen surface, another side is provided with tooth (the band flank of tooth); The one side of described outer fixture block is also set on platen surface, another side and is also provided with tooth (the band flank of tooth); Described upper fixture or lower clamp include fixture block overturn structure: grip slipper is provided with guide positioning pin, internal clamping block and outer fixture block are equipped with the through hole that can pass for guide positioning pin, internal clamping block by through hole be sleeved on to be arranged on after on guide positioning pin on grip slipper and can be removed turn over turnback after be sleeved on after on guide positioning pin by through hole again and be installed on grip slipper; Outer fixture block to be sleeved on guide positioning pin by through hole and outer fixture block can be removed turn over turnback after again cover install on guide positioning pin.
Two guide positioning pins with the vertical center line of internal clamping block and outer fixture block (it is the straight line of a vertical extension that the vertical center line of internal clamping block and outer fixture block overlaps) for axis of symmetry is symmetricly set on grip slipper, described guide positioning pin is set with back-moving spring, described back-moving spring is between internal clamping block and outer fixture block, and the two ends of back-moving spring connect with internal clamping block and outer fixture block respectively.The reset of outer fixture block completes reset by two guide positioning pin upper reset springs outer the moving past in journey of set lever.(note; Upper fixture is substantially identical with the composition structure of lower clamp.Upper fixture maintains static relatively, and lower clamp can move up and down with vertical female silk seat.Internal clamping block and outer fixture block also can be general, and namely relatively-stationary internal clamping block all adopts same fixture block with the outer fixture block that can move forward and backward activity, can overturn dual-purpose.)
Screw rod 27 is fixedly installed on grip slipper, the screw vent passed for screw rod is provided with in the middle part of internal clamping block and in the middle part of outer fixture block, described screw rod is flexibly connected through being threaded connection mode with set lever after the screw vent in the middle part of internal clamping block and in the middle part of outer fixture block, described outer fixture block can move freely along screw rod, and described internal clamping block also can be removed along screw rod.Rotational lock handle can exit or compress outer fixture block.Set lever end is provided with handle ball 24.Upper fixture and lower clamp are equipped with insulcrete 34, insulation sleeve 35, cap 26, screw rod 27, screw 28, packing ring 29.
Guiding polished rod has three, is arranged on ball screw periphery, and the top and bottom of guiding polished rod are all fixedly connected in frame, wherein two guiding for vertical female silk seat.Guiding polished rod is also for fixed support balance location, and can prevent ball screw from shaking, skid, when making work, ball screw is more stable.
Sensor in the utility model replaceable (scope can be selected in 50-3000 ox), wide accommodation, the power of 0.1 N (10.2 grams) is measured in minimum energy induction, can automatic clear, automatic calibration.Sensor automatic clear, automatic calibration can adopt electrical means or computer program to control.The utility model is by being with outer fixture block and the internal clamping block of the flank of tooth, and set lever compounding practice, can also realize broken paint automatically.
Display in display device in the utility model adopts text screen, and page-turnable, envelop of function is wider.Outer fixture block and the internal clamping block of two fixtures (upper fixture and lower clamp) are all dual-purpose, and large line during toothed one side is used for, platen surface is used for glass-coated microwire.The utility model has two kinds of using forestland: glass-coated microwire pattern and in large ray mode.When adopting glass-coated microwire pattern, the outer fixture block of two fixtures (going up fixture and lower clamp) is relative with the platen surface of internal clamping block, and the wire rod of hairline size is loaded onto and just can be started working afterwards.In employing during large ray mode, the outer fixture block of two fixtures (upper fixture and lower clamp) is relative with the band flank of tooth of internal clamping block.In large wire rod first to break paint, conducting after could work.
The utility model can adopt electrical control, also can add computing machine and the control of online control software design.The utility model also coordinates the software program pre-set to realize automatically controlling by connecting computing machine, and function is more powerful, more practical.Its basic functional principle is: mobilizable lower clamp of instrument (that is: metal wire rod length growth rate test for tensile strength instrument) and the two ends of fixing upper clamp sample (as: metal wire rod), servomotor and high precision, the machine driven system (comprising propulsion system and fixture mobile device) of the parts compositions such as high-level efficiency ball screw drives lower clamp to produce displacement with certain speed, the sample then clamped extends until break gradually under this pulling force effect, in the process, the display screen of instrument demonstrates sample length growth rate number percent in real time, sample pull-off force and tensile strength values.While sample is broken, servomotor stops display screen display net result.Instrument can also preset length growth rate, operates sample, and when preset elongation rate data reaches, motor stops action display screen display data result now.
The foregoing is only preferred embodiment of the present utility model; protection domain of the present utility model is not limited thereto; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., be all included within protection domain of the present utility model.
Claims (7)
1. a metal wire rod length growth rate test for tensile strength instrument, comprises cabinet, the fixture mobile device of the frame be arranged on cabinet, clamp assembly, the propulsion system be arranged in cabinet, connecting power device, the sensor being arranged on upper rack, the display device be arranged on cabinet; Described fixture mobile device comprises ball screw, vertical female silk seat, rack-mounted guiding polished rod; Ball screw is arranged in frame, and ball screw is through being threaded connection mode with vertical female silk seat and being flexibly connected, the lower end connecting power device of ball screw in the middle part of vertical female silk seat; Vertical female silk cover for seat be contained in guiding polished rod on and when ball screw rotates vertical female silk seat can under ball screw effect edge lead polished rod move up and down; Described sensor connects display device; Described clamp assembly comprises fixture, lower clamp, described upper fixture connecting sensor, and lower clamp is arranged on vertical female silk seat; Two fixture blocks that described upper fixture, lower clamp include grip slipper and be oppositely arranged: the outer fixture block being arranged on the internal clamping block on grip slipper and being positioned at outside internal clamping block; The grip slipper of upper fixture connects on a sensor, and the grip slipper of lower clamp is arranged on vertical female silk seat; It is characterized in that, the one side of described internal clamping block is platen surface, another side is provided with tooth; The one side of described outer fixture block is platen surface, another side is provided with tooth; Described grip slipper is provided with guide positioning pin, internal clamping block and outer fixture block are equipped with the through hole that can pass for guide positioning pin, internal clamping block by through hole be enclosed within to be arranged on after on guide positioning pin on grip slipper and can be removed turn over turnback after be enclosed within after on guide positioning pin by through hole again and be installed on grip slipper; Outer fixture block to be sleeved on guide positioning pin by through hole and can be removed turn over turnback after again cover install on guide positioning pin.
2. metal wire rod length growth rate test for tensile strength instrument according to claim 1, it is characterized in that, also comprise set lever and be fixedly installed on the screw rod on grip slipper, screw vent is equipped with in the middle part of described internal clamping block He in the middle part of outer fixture block, described screw rod is flexibly connected through being threaded connection mode with set lever after screw vent, and described outer fixture block and internal clamping block all can be removed along screw rod.
3. metal wire rod length growth rate test for tensile strength instrument according to claim 1, it is characterized in that, described guiding polished rod has three, and three guiding polished rods are positioned at the periphery of ball screw, and the top and bottom of described guiding polished rod are all fixedly connected in frame; Described guide positioning pin has two, and beyond two guide positioning pins, the vertical center line of fixture block and internal clamping block is that axis of symmetry is symmetricly set on grip slipper, and described guide positioning pin is set with back-moving spring, and described back-moving spring is between internal clamping block and outer fixture block.
4. metal wire rod length growth rate test for tensile strength instrument according to claim 1, it is characterized in that, described display device comprises display screen, and described display screen is text screen.
5. metal wire rod length growth rate test for tensile strength instrument according to claim 1, it is characterized in that, described propulsion system comprise servomotor.
6. metal wire rod length growth rate test for tensile strength instrument according to claim 1, it is characterized in that, described sensor can be replaced, and its replacing scope is 50-3000 ox sensor.
7. metal wire rod length growth rate test for tensile strength instrument according to claim 1, is characterized in that, also comprise the clamp locking mechanism be arranged on outer fixture block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520172157.2U CN204575442U (en) | 2015-03-25 | 2015-03-25 | A kind of metal wire rod length growth rate test for tensile strength instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520172157.2U CN204575442U (en) | 2015-03-25 | 2015-03-25 | A kind of metal wire rod length growth rate test for tensile strength instrument |
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| Publication Number | Publication Date |
|---|---|
| CN204575442U true CN204575442U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520172157.2U Expired - Fee Related CN204575442U (en) | 2015-03-25 | 2015-03-25 | A kind of metal wire rod length growth rate test for tensile strength instrument |
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| CN (1) | CN204575442U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413227A (en) * | 2020-04-16 | 2020-07-14 | 东莞市鸿达测量仪器有限公司 | Tester for measuring filament expansion and contraction rate and service life and use method thereof |
| CN112393988A (en) * | 2020-11-03 | 2021-02-23 | 太原科技大学 | Novel device for thin strip tension bending experiment |
-
2015
- 2015-03-25 CN CN201520172157.2U patent/CN204575442U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413227A (en) * | 2020-04-16 | 2020-07-14 | 东莞市鸿达测量仪器有限公司 | Tester for measuring filament expansion and contraction rate and service life and use method thereof |
| CN111413227B (en) * | 2020-04-16 | 2023-02-24 | 东莞市鸿达测量仪器有限公司 | Tester for measuring filament expansion and contraction rate and service life and use method thereof |
| CN112393988A (en) * | 2020-11-03 | 2021-02-23 | 太原科技大学 | Novel device for thin strip tension bending experiment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20170325 |