CN208516598U - A kind of device for testing tensile force of bar - Google Patents
A kind of device for testing tensile force of bar Download PDFInfo
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- CN208516598U CN208516598U CN201820590638.9U CN201820590638U CN208516598U CN 208516598 U CN208516598 U CN 208516598U CN 201820590638 U CN201820590638 U CN 201820590638U CN 208516598 U CN208516598 U CN 208516598U
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- deflector roll
- tensile force
- deflector
- feeding roller
- bar
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Abstract
The utility model discloses a kind of device for testing tensile force of bar, including workbench, power control cabinet ontology, two transmission devices, a plurality of deflector rolls, controller, tension sensor, camera, a plurality of servo motors, driver, the transmission device includes feeding roller, lever mechanism, pinch rollers and extension spring, the lever mechanism is L-shaped, its middle part is rotatably arranged on workbench by bolt, the pinch rollers are rotatably arranged on the front end of lever mechanism, the rear end of the lever mechanism is equipped with the pillar for fixing extension spring one end, the other end of the extension spring is fixed on the table by pillar.The type of the applicable bar of the present apparatus is more, and the transmission mode provided is more, and mechanical structure is reliable and stable.
Description
Technical field
The utility model relates to automatic test machine tool fields, especially of the long strip shape objects such as design ribbon, belt, paper
Power test.
Background technique
Device for testing tensile force measures the tension in bar transportational process；It is resistance under differential tension to measure bar
By property and the deformation of bar, and search out the appropriate tension value in transmission process, reasonable transmission speed
And motor torque, detecting electric control the mode of tension and speed；Assist the design of production line.
In the production line, it is often necessary to transmit the product of strip, such as ribbon, long label tape, belt etc..It needs
Measure their tension in transportational process, when tension is too small, influences because being easy to break product when overtension
The operation such as Product transport, and detection, sizing, mark, printing.In view of this, developing a kind of new tension test device, it is clear that
It is necessary.
Utility model content
The goal of the invention of the utility model is to provide a kind of device for testing tensile force of bar, and the utility model provides survey
Try high-efficient, measured value is accurate and reliable, and device for testing tensile force low to worker's skill requirement, simple and reliable for structure, which can
To be suitable for different in width, thickness, the test of elastic bar, the test suitable for different transmission modes.
To achieve the above object of the invention, the technical solution adopted in the utility model is: a kind of tension test dress of bar
It sets, including workbench, power control cabinet ontology, two transmission devices, a plurality of deflector rolls, controller, tension sensor, camera, plural number
A servo motor, driver,
The transmission device includes feeding roller, lever mechanism, pinch rollers and extension spring, and the lever mechanism is in
L-type, middle part are rotatably arranged on workbench by bolt, and the pinch rollers are rotatably arranged on the front end of lever mechanism, institute
The rear end for stating lever mechanism is equipped with the pillar of fixed extension spring one end, and the other end of the extension spring is fixed by pillar
On the table,
The end of two deflector rolls in the feeding roller and a plurality of deflector rolls positioned at lower side is respectively connected with servo
Motor, wherein downside refers to that two deflector rolls are in nethermost two in multiple deflector rolls, the servo motor is installed in work
Make on platform, the shaft of the servo motor is fixedly connected with feeding roller or deflector roll, so that servo motor and feeding roller or leading
Roller linkage, the servo motor connect with driver, such as by servo motor main loop cabling, encoder cable connection,
The driver is connect with controller by wire body,
The tension sensor is set on workbench, and a deflector roll is located in the middle in a plurality of deflector rolls and is mounted on institute
It states on tension sensor, or setting is equipped with tension sensor on being located in the middle a deflector roll, sensor can be by wired
Or wireless mode transfers data to controller.
The camera is set on workbench, and it faces the transmission device and leads with one in a plurality of deflector rolls
The plane that roller is constituted, the camera are connect with controller, and the result of phase machine testing is reached controller.
Preferably, the surface of the feeding roller is processed using annular knurl, and the pinch rollers are polyurethane rubber idler wheel, is increased
Add the coefficient of friction contacted with bar, push down feeding roller using pinch rollers, provides frictional force to the bar of transmission.
In above-mentioned technical proposal, pinch rollers are mounted on lever mechanism front end, and the middle part of lever mechanism is solid by bolt
Fixed the rear end of lever mechanism is equipped with extension spring pillar on the table, is fixed on there are one extension spring with pillar
On workbench, the both ends of extension spring are fixed on two pillars, can adjust pressing force by replacement spring.
Preferably, two deflector rolls on the outermost side are equipped with screw hole in a plurality of deflector rolls, are equipped in screw hole
The screw being used cooperatively has the hole accomplished fluently in bar front end, and bar is locked on deflector roll with primary screw, deflector roll rotation
Turn, bar is rolled into a roll.
Preferably, the pedestal of the deflector roll is in hexagon, and firm is fixed on the worktable, the gear of the inside of the deflector roll
The step that circle is equipped with axis limits, and the retaining ring in the outside of the deflector roll is fixed by locking nut, and the centre of two retaining rings is equipped with axle sleeve.
In further technical solution, the centre of the axle sleeve offers annular ditch groove, so that axle sleeve centre is low, both sides are high,
Good position-limiting action can be played, the section at groove can be straight line, be also possible to camber line, meet the transmission of different bars
Demand, axle sleeve can be replaced in time, to adapt to the bar of different in width, characteristic, and play the role of limit.
Preferably, the quantity of a plurality of deflector rolls is 7, is arranged in W type.
Preferably, the abutment surface is equipped with annular ditch groove, and for catching on spring, radial circular surface is equipped with flat recess,
Pillar is cylindrical body, and a planar ends of cylindrical body are fixed on inside machinery bed, and the surface of another plane is machined with a word
Slot, the cross-sectional view of flat recess are a semicircle, the shape of similar flat recess ailhead screw.
Preferably, the tension sensor is connected to controller by signal amplifier, by perceiving tension value in time
Size adjusts the speed and/or torque of motor, to realize in reasonable tension range and transmit in reasonable velocity interval
The effect of bar.
Preferably, the camera is equipped with light source, diffusing reflection plate is equipped with before the light source, diffusion plate surface is using mill
Sand processing, the light source of direct projection can become the light source of diffusion after diffusing panel to provide more preferably diffusion effect, obtain equal
Even and stable diffused light irradiation area.
Above, servo motor is connected at feeding roller, servo motor is fixed on by electric machine support by four screws
On workbench, servo motor shaft connects an axis by shaft coupling, and there are two bearings (outside the bearing of shaft coupling for installation on axis
Portion is equipped with precise U-shaped nut), two bearings are mounted on bearing block, and bearing block is fixed on the table, are opened in the front end of axis
There is keyway, by the fixed feeding roller of flat key, opens on idler wheel there are two screw hole, feeding roller is fixed on axis by two screws
On.The span of bearing is larger, improves the flexural rigidity of feeding roller guiding axis.
Above, the deflector roll (deflector roll with screw hole) positioned at both ends is driven by servo motor, mechanical driving part and into
To the almost the same of idler wheel.Open channels, radial section are not an annular shape to axle sleeve, are opened outside annulus there are three screw hole, will
Screw hole locking of the bar on deflector roll, is rolled into cylindrical body on deflector roll, and two deflector rolls one deflector roll winding, a deflector roll are put
Volume.The axial direction of axle sleeve has a rule lines, increases frictional force.
In the utility model, controller is host computer, controls camera, and control servo-driver controls motor in turn.
In the utility model, the workbench side is equipped with electrical cabinet, and electrical cabinet side is equipped with exhaust fan, is aerated
Heat dissipation.
The workbench is equipped with controller mounting groove, and each downwards on mounting groove there are three screw holes, for fixed control
Device.
It is additionally provided with button panel on the workbench, there is starting, emergency stop and fan swicth, power switch on button panel.
The panel beating plate and acrylic board of protection are equipped with by above-mentioned electrical cabinet (for observing).
Since above-mentioned technical proposal is used, the utility model has the advantage that compared with prior art
The utility model device for testing tensile force measures the tension in bar transportational process, measures bar in difference
The deformation of tolerance and bar under tension, and search out most suitable tension value in transmission process and
Optimal transmission speed and torque, detecting electric control the mode of tension and speed, assist the design of production line.This device has
Help design the scheme of the motion control of production line transmission bar.Using controller as host computer, database program can be developed
Intelligent management is carried out to the data of tension test.Compared with similar device for testing tensile force, the kind of the applicable bar of the present apparatus
Class is more, and the transmission mode provided is more, and mechanical structure is reliable and stable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the cross section structure schematic diagram of the utility model deflector roll.
Fig. 3 is the cross section structure schematic diagram of the utility model feeding roller and pinch rollers.
Fig. 4 is the structural schematic diagram of the utility model lever mechanism.
Wherein: 1, aluminium alloy plate；2, the first deflector roll；3, the second deflector roll, the 4, first feeding roller；5, the first lever mechanism；
6, extension spring；7, the first pinch rollers；8, light source；9, third deflector roll；10, the 4th deflector roll；11, the 5th deflector roll；12, the second pressure
Tight idler wheel；13, the second feeding roller；14, the 6th deflector roll；15, the 7th deflector roll；16, button panel；17, electrical cabinet；18, controller
Mounting groove；19, locking nut；20, axle sleeve；21, retaining ring；22, pedestal；23, soket head cap screw；24, flat key；25, third is fed
Idler wheel, 26, first bearing, 27, bearing block, 28, second bearing, 29. precise U-shaped nuts, 30. electric machine supports, 31. servos electricity
Machine, 32. shaft couplings；33, axis；34, the first extension spring pillar；35, the second lever mechanism；36, spring；37, third compresses
Idler wheel；38, the 4th pinch rollers；39, bolt；40, the second extension spring pillar；41, third lever mechanism；42, third is drawn
Stretch spring pillar.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments:
Embodiment one: referring to shown in Fig. 1 ~ Fig. 2, a kind of device for testing tensile force of bar, including workbench, power control cabinet sheet
Body, two transmission devices, a plurality of deflector rolls, controller, tension sensor, camera, a plurality of servo motors, driver, work
Platform is aluminium alloy plate 1,
The transmission device includes the first feeding roller 4, the second feeding roller 13, the compression rolling of the first lever mechanism 5, first
The 7, second pinch rollers 12 and extension spring 6 are taken turns, first lever mechanism 5 is L-shaped, and middle part is rotated by bolt to be arranged
On the table, the pinch rollers are rotatably arranged on the front end of lever mechanism, and the rear end of the lever mechanism is equipped with fixed draw
The pillar of 6 one end of spring is stretched, the other end of the extension spring 6 is fixed on the table by pillar,
It is shown in Figure 3, it is the structural schematic diagram of feeding roller and pinch rollers, feeding roller successively includes from lower to upper
Soket head cap screw 23, flat key 24, third feeding roller 25, first bearing 26, bearing block 27, axis 33, second bearing 28, precision U
Type nut 29, shaft coupling 32, electric machine support 30, pinch rollers include third pinch rollers 37, the second lever mechanism 35, spring
36, the first extension spring pillar 34；
Servo motor 31 is connected at third feeding roller 25, servo motor 31 is consolidated by electric machine support 30 by four screws
Fixed servo motor shaft connects an axis 33 by shaft coupling on the table, bearing there are two installations on axis, first bearing 26,
Second bearing 28, (being equipped with precise U-shaped nut 29 close to the Bearing outer of shaft coupling 32), two bearings are mounted on bearing block 27
On, bearing block 27 is fixed to be provided with keyway in the front end of axis on the table, by the fixed feeding roller of flat key 24, opens on idler wheel
There are two screw holes, will be in feeding roller fixing axle by two soket head cap screws 23.The span of first bearing 26 is larger, improves
The flexural rigidity of feeding roller guiding axis.
The end of two deflector rolls on the outermost side is respectively connected with servo in the feeding roller and a plurality of deflector rolls
Motor, the servo motor is fixed on the table, and the shaft of the servo motor is fixedly connected with feeding roller or deflector roll, makes
It obtains servo motor and feeding roller or deflector roll links, the servo motor is connect with driver, the driver and controller
Connection,
The tension sensor is set on workbench, and a deflector roll is located in the middle in a plurality of deflector rolls and is mounted on institute
It states on tension sensor
The camera is set on workbench, and it faces the transmission device and leads with one in a plurality of deflector rolls
The plane that roller is constituted, the camera are connect with controller, and the result of phase machine testing is reached controller.
In the present embodiment, the surface of the feeding roller is processed using annular knurl, and the pinch rollers are polyurethane rubber rolling
Wheel increases the coefficient of friction contacted with bar, pushes down feeding roller using pinch rollers, provides friction to the bar of transmission
Power.
Shown in Figure 4 in the present embodiment, the 4th pinch rollers 38 are mounted on 41 front end of third lever mechanism, third
The middle part of lever mechanism 41 is fixed on the table by bolt 39, and the rear end of third lever mechanism 41 is equipped with the second stretching bullet
Spring pillar 40, it is fixed on the table with pillar 42 that there are one third extension springs, and the both ends of extension spring are fixed on two
On a pillar, pressing force can be adjusted by replacement spring.
In the present embodiment, two deflector rolls on the outermost side are equipped with screw hole in a plurality of deflector rolls.
In the present embodiment, the pedestal of the deflector roll is in hexagon, and firm is fixed on the worktable, the inside of the deflector roll
Retaining ring 21 be equipped with the step of axis and limit, the retaining ring in the outside of the deflector roll fixed by locking nut 19, the centre of two retaining rings
Equipped with axle sleeve.
In the present embodiment, the centre of the axle sleeve 20 offers annular ditch groove, so that axle sleeve centre is low, both sides are high, can rise
To good position-limiting action, the section at groove can be straight line, be also possible to camber line, meet the transmission need of different bars
It asks, axle sleeve can be replaced in time, to adapt to the bar of different in width, characteristic, and play the role of limit.
In the present embodiment, the quantity of a plurality of deflector rolls is 7, is arranged in W type.
In the present embodiment, the abutment surface is equipped with annular ditch groove, and for catching on spring, radial circular surface is equipped with a word
Slot.
In the present embodiment, the tension sensor is connected to controller by signal amplifier, by perceiving tension in time
The size of value adjusts the speed and/or torque of motor, to realize in reasonable tension range and in reasonable velocity interval
Transmit the effect of bar.
In the present embodiment, the camera is equipped with light source 8, is equipped with diffusing reflection plate before the light source 8, diffuses plate surface
It is processed using frosted, the light source of direct projection, after diffusing panel, the light source of diffusion can be become to provide more preferably diffusion effect,
Obtain uniform and stable diffused light irradiation area.Above, servo motor is connected at feeding roller, servo motor is by motor
Bracket is fixed on the table by four screws, and servo motor shaft connects an axis by shaft coupling, on axis there are two installations
Bearing (is equipped with precise U-shaped nut close to the Bearing outer of shaft coupling), and two bearings are mounted on bearing block, and bearing block is fixed
On the table, it is provided with keyway in the front end of axis, by the fixed feeding roller of flat key, is opened on idler wheel there are two screw hole, two
Feeding roller is fixed on axis by screw.The span of bearing is larger, improves the flexural rigidity of feeding roller guiding axis.
Above, the deflector roll (deflector roll with screw hole) positioned at both ends is driven by servo motor, mechanical driving part and into
To the almost the same of idler wheel.Open channels, radial section are not an annular shape to axle sleeve, are opened outside annulus there are three screw hole, will
Screw hole locking of the bar on deflector roll, is rolled into cylindrical body on deflector roll, and two deflector rolls one deflector roll winding, a deflector roll are put
Volume.The axial direction of axle sleeve has a rule lines, increases frictional force.
In the present embodiment, a plurality of deflector rolls include the first deflector roll 2, the second deflector roll 3, third deflector roll 9, the 4th deflector roll 10, the
Five deflector rolls 11, the 6th deflector roll 14, the 7th deflector roll 15, the first deflector roll 2 is with screw hole and motor, and the 7th deflector roll 15 is with screw hole, and
Four deflector rolls 10 are with tension sensor.
In the utility model, bar can have different transmission modes.The first: passing through the first feeding roller 4, third
Deflector roll 9, the 4th deflector roll 10, the 5th deflector roll 11, the second feeding roller 13.Second: passing through the first feeding roller 4, the second deflector roll
3, the first deflector roll 2, third deflector roll 9, the 4th deflector roll 10, the 5th deflector roll 11, the 7th deflector roll 15, the 6th deflector roll 14, the second feeding rolling
Wheel 13；The case where this mode is in order to adapt to more deflector rolls on production line；The third: is by bar in the first deflector roll 2, the 7th deflector roll
Screw hole locking on 15 is rolled into cylindrical body, a deflector roll winding on deflector roll, and a deflector roll unreels, and bar passes through first
Deflector roll 2, third deflector roll 9, the 4th deflector roll 10, the 5th deflector roll 11, the 7th deflector roll 15.The mixing side of front several ways can also be taken
Formula measures the tension value under different transmission modes with the transmission mode on simulation production line, searches out reasonable motor control
The mode of power provides experimental basis for the design of transmission equipment.
In the utility model, controller is host computer, controls camera, and control servo-driver controls motor in turn.
In the utility model, the workbench side is equipped with electrical cabinet 17, and 17 side of electrical cabinet is equipped with exhaust fan, carries out
Ventilation and heat.
The workbench is equipped with controller mounting groove 18, and each downwards on mounting groove there are three screw holes, for fixed control
Device processed.
It is additionally provided with button panel 16 on the workbench, has starting, emergency stop and fan swicth, power supply to open on button panel 16
It closes.
The panel beating plate and acrylic board of protection are equipped with by above-mentioned electrical cabinet (for observing).
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing from the spirit or essential characteristics of the present invention, the utility model can be realized in other specific forms.
Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, the utility model
Range be indicated by the appended claims rather than the foregoing description, it is intended that the meaning that the equivalent requirements of the claims will be fallen in
It is included within the present invention with all changes in range.It should not treat any reference in the claims as involved by limitation
Claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of device for testing tensile force of bar, it is characterised in that: including workbench, power control cabinet ontology, two transmission devices,
A plurality of deflector rolls, controller, tension sensor, camera, a plurality of servo motors, driver,
The transmission device includes feeding roller, lever mechanism, pinch rollers and extension spring, and the lever mechanism is L-shaped,
Its middle part is rotatably arranged on workbench by bolt, and the pinch rollers are rotatably arranged on the front end of lever mechanism, the thick stick
The rear end of linkage is equipped with the pillar for fixing extension spring one end, and the other end of the extension spring is fixed on by pillar
On workbench,
The end of two deflector rolls in the feeding roller and a plurality of deflector rolls positioned at lower side is respectively connected with servo motor,
The servo motor is fixed on the table, and the shaft of the servo motor is fixedly connected with feeding roller, deflector roll, so that servo
Motor and feeding roller, deflector roll link, and the servo motor is connect with driver, and the driver is connect with controller,
The tension sensor is set on workbench, and a deflector roll is located in the middle in a plurality of deflector rolls and is mounted on described
On force snesor,
The camera is set on workbench, and it faces a deflector roll institute in the transmission device and a plurality of deflector rolls
The plane of composition, the camera are connect with controller, and the result of phase machine testing is reached controller.
2. the device for testing tensile force of bar according to claim 1, it is characterised in that: adopt on the surface of the feeding roller
It is processed with annular knurl, the pinch rollers are polyurethane rubber idler wheel, increase the coefficient of friction contacted with bar.
3. the device for testing tensile force of bar according to claim 1, it is characterised in that: be located in a plurality of deflector rolls
Outermost two deflector rolls are equipped with screw hole.
4. the device for testing tensile force of bar according to claim 1, it is characterised in that: the pedestal of the deflector roll is in hexagonal
Shape, firm is fixed on the worktable, and the step that the retaining ring of the inside of the deflector roll is equipped with axis limits, the outside of the deflector roll
Retaining ring is fixed by locking nut, and the centre of two retaining rings is equipped with axle sleeve.
5. the device for testing tensile force of bar according to claim 4, it is characterised in that: the centre of the axle sleeve offers
Annular ditch groove, so that axle sleeve centre is low, both sides are high.
6. the device for testing tensile force of bar according to claim 1, it is characterised in that: the quantity of a plurality of deflector rolls
It is 7, is arranged in W type.
7. the device for testing tensile force of bar according to claim 1, it is characterised in that: the abutment surface is equipped with ring-type
Groove, for catching on spring, radial circular surface is equipped with flat recess.
8. the device for testing tensile force of bar according to claim 1, it is characterised in that: the tension sensor passes through letter
Number amplifier is connected to controller, and the speed and/or torque of motor are adjusted by perceiving the size of tension value in time.
9. the device for testing tensile force of bar according to claim 1, it is characterised in that: the camera is equipped with light source,
Diffusing reflection plate is equipped with before the light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820590638.9U CN208516598U (en) | 2018-04-24 | 2018-04-24 | A kind of device for testing tensile force of bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820590638.9U CN208516598U (en) | 2018-04-24 | 2018-04-24 | A kind of device for testing tensile force of bar |
Publications (1)
| Publication Number | Publication Date |
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| CN208516598U true CN208516598U (en) | 2019-02-19 |
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ID=65341148
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820590638.9U Active CN208516598U (en) | 2018-04-24 | 2018-04-24 | A kind of device for testing tensile force of bar |
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| CN (1) | CN208516598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108341296A (en) * | 2018-04-24 | 2018-07-31 | 苏州大学 | A kind of device for testing tensile force of bar |
-
2018
- 2018-04-24 CN CN201820590638.9U patent/CN208516598U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108341296A (en) * | 2018-04-24 | 2018-07-31 | 苏州大学 | A kind of device for testing tensile force of bar |
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