CN209707340U - A kind of Crockmeter for laboratory - Google Patents

Abstract

The utility model discloses a kind of Crockmeters for laboratory, be characterized in that: the output end of reduction gearbox is provided with crank, the adjustable in length of crank, crank includes the short handle being mutually socketed, and the short handle inner wall of outer layer is bonded with the short handle outer wall of internal layer, the same end of short handle offers the through-hole passed through for screw, workbench is configured with the friction head for testing dyed fabric color fastness, the three-link mechanism that driving friction head moves reciprocatingly along base length direction on the table is provided between friction head and crank, pedestal is provided with guide plate along its length, guide plate offers the sliding slot parallel with pedestal, three-link mechanism can slide in sliding slot, pedestal is provided with the support column to play a supportive role to three-link mechanism.Length by adjusting crank realizes the amplitude size that friction head moves back and forth on dyed fabric, thus the accuracy that the size for improving dyed fabric measures when changing.

Description

A kind of Crockmeter for laboratory

Technical field

The utility model relates to textile inspection fields, more specifically, it relates to a kind of friction color for laboratory Fastness instrument.

Background technique

So-called dyefastness (abbreviation color fastness), refers to that dyed fabric in use or process, is subjected to external factor Effect, such as squeeze, rub, the fading extent under the action of washing, it is an important indicator of fabric.

Colorfastness to rubbing refers to fade degree of the dyed fabric after friction, in the colorfastness to rubbing of detection dyed fabric When, sample is placed on Crockmeter, rubbed on certain pressure with standard friction calico certain number therewith, and every group Sample is both needed to do dry friction color fastness and wet friction color fastness.The color being stained on standard friction calico is commented with gray card Grade, obtained series is exactly surveyed colorfastness to rubbing.

But existing friction color jail analyzer stability during the work time is poor, cause friction head every time with dyeing The place of fabric contact is unfixed, however the friction range of its friction head is certain, so putting in dyed fabric position When inclined, friction head is caused to be unable to fully friction dyed fabric, so that there are certain influences to measurement result.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of friction colors for laboratory Fastness instrument has stability good, the accurate advantage of measurement result.

To achieve the above object, the utility model provides following technical solution:

A kind of Crockmeter for laboratory, including pedestal, the pedestal along its length from left to right according to Secondary to be provided with workbench, reduction gearbox, electric cabinet, mangle device and driving device, the driving device and the electric cabinet are electrical Connection, the output shaft of the driving device and the input terminal of the reduction gearbox are connected；The output end of the reduction gearbox is arranged There are a crank, the adjustable in length of the crank, the crank includes the short handle being mutually socketed, and the short handle inner wall and internal layer of outer layer The fitting of short handle outer wall, the same end of short handle offers the through-hole passed through for screw, and the workbench is configured with being used for The friction head for testing dyed fabric color fastness is provided with driving friction head on the table the bottom of along between the friction head and crank The three-link mechanism that seat length direction moves reciprocatingly, the pedestal are provided with guide plate along its length, and the guide plate opens up There is the sliding slot parallel with pedestal, the three-link mechanism can slide in sliding slot, and the pedestal, which is provided with, plays three-link mechanism The support column of supporting role.

By using above-mentioned technical proposal, in defined same time, by repeatedly rubbing repeatedly, according to practical feelings Condition, friction head surface can have the pigment of different depth degrees, color and gray card that this friction head is infected with compared, The colorfastness to rubbing of you can get it the dyed fabric can be made whether to close according to unified standard to the dyed fabric of batch production The standard of perfection of lattice；The crank that output end with reduction gearbox is connected is arranged to the telescopic rod being socketed to form by short handle, when When the range size of dyed fabric measurement changes, can flexibly it be knitted by adjusting the length of crank to change friction head with dyeing Contact range between object；When the measurement size of dyed fabric becomes larger, the length of crank is extended, to increase friction head the bottom of along The amplitude that seat length direction moves back and forth, so that the friction head contacts area between dyed fabric increased as far as possible, when more When the size of dyed fabric becomes smaller, shorten the length of crank, to reduce the width that friction head is moved back and forth along base length direction Degree, so that friction head will not be gone to outside the range of dyed fabric；Secondly, this regular multiple reciprocating motion, so that friction Head sufficiently effective can be contacted with dyed fabric, and the friction for increasing friction head is the number effectively to rub, be reduced because outer The number to rub in vain that factor either Rubbing number in boundary's causes friction head to generate with dyed fabric insufficient contact less, mentions The high stability of Crockmeter；Since three-link mechanism drives friction head in dyed fabric surface reciprocating friction, so that The frictional force that dyed fabric each section is subject to is identical, that is, ensure that the dyestuff being stained on friction head is equally distributed, to mention The high accuracy compared with gray card.

The utility model is further arranged to: the three-link mechanism includes connecting rod, and the connecting rod is set far from crank one end It is equipped with the pulley being connected therewith, the pulley can slide in the sliding slot, and the pulley is provided with to be connected therewith Lever, the friction head is fixed on the one end of lever far from pulley.

By using above-mentioned technical proposal, circular-rotation, the other end are done with the output end of reduction gearbox in crank one end together With connecting rod move reciprocatingly along base length direction, there are angle between the connecting rod and pedestal in movement, connecting rod it is another End band movable pulley does horizontal reciprocating movement in sliding slot, and the movement tendency of pulley and the movement tendency of connecting rod are identical, pulley driving The lever to link therewith is doing horizontal reciprocating movement, the direction of motion and the direction of motion phase of pulley of lever along base length direction Together；The three-link mechanism forms the effect of a steering, is according to actual needs converted to the rotation of the output end of speed reducer The horizontal reciprocating movement of lever, structure is simple, convenient to carry out.

The utility model is further arranged to: vertical height of the output end of the reduction gearbox apart from pedestal is greater than crank Maximum elongation length.

By using above-mentioned technical proposal, if crank is elongated to maximum length, drive of the crank in reduction gearbox output end It is rotated around its output end down, when the junction of crank and connecting rod moves to extreme lower position, avoids it with lever the bottom of far from The phenomenon that end face of seat side is bumped against, enable three-link mechanism that friction head is smoothly driven to do reciprocal fortune on the table Dynamic, the setting of the adjustment length of crank plays a protective effect to device itself, so that entire scheme has exploitativeness.

The utility model is further arranged to: the sliding slot is provided with the limit that can be slided in sliding slot along its length Block, the limited block are arranged in pulley two sides, and the sliding slot offers the length passed through for screw far from pedestal one end horizontal direction Strip groove.

By using above-mentioned technical proposal, the setting of limited block enhances the versatility of sliding slot, does not have to every time because crank is long The change of degree and replace sliding slot corresponding with crank length, it is only necessary to by the total length of sliding slot be greater than twice of crank maximum length , then change the distance between two limited blocks according to the length of practical crank, as long as guaranteeing between two limited blocks Distance be greater than two times of practical crank length；Secondly, when the successive length of crank changes smaller, it is a series of compared to opening up Adjustment hole, the minimum range between two limited blocks is the inner diameter size of adjustment hole, can not achieve the adjusting of random length, and Strip slot can play the role of a fine tuning to limited block, can preferably finely tune the distance between two limited blocks.

The utility model is further arranged to: the limited block is provided with optoelectronic switch, the photoelectricity close to pulley side Switch is electrically connected with electric cabinet.

By using above-mentioned technical proposal, when pulley reciprocatingly slides in sliding slot, pulley motion to the photoelectricity that can set out In the distance range of switch, to be electrically connected between optoelectronic switch and electric cabinet, electric cabinet often receives an optoelectronic switch and sends Signal, indicate friction head done primary reciprocating motion, optoelectronic switch is equivalent to a signal in place, it can be seen that friction head is Start to move reciprocatingly；Optoelectronic switch can also be used as a positioning device simultaneously, not need that measuring tool is taken to measure crank Length, position of the limited block in sliding slot is directly fixed according to the signal display state of the optoelectronic switch of electric cabinet because There are angles with horizontal plane for crank, so the positioning accuracy is higher for two times of practical crank lengths.

The utility model is further arranged to: being equipped with timer on the electric cabinet.

By using above-mentioned technical proposal, before measuring, a time is set to timer, when timer arrival is advised Fixed time, electric cabinet receive signal, and driving device stops working, and can measure friction of the dyed fabric within the time Color fastness, timer are equivalent to that control a time variable constant so that every time measurement be all at the same time in section into Row, so that measurement result is more accurate.

The utility model is further arranged to: the lever is provided with gravity block, the gravity block back far from pulley one end Contact surface from workbench extends.

By using above-mentioned technical proposal, gravity block to close to workbench lever end be applied with one vertically to Under power, the effect of the power between friction head and dyed fabric so that contact more sufficiently, so that sliding between the two Frictional force is bigger, improves the accuracy of measurement；Secondly, gravity block is added on lever, so that the total quality of lever becomes larger, To reduce the vertical misalignment along support rod length direction generated when lever slidably reciprocates on the support columns, so that friction head Reciprocating motion it is more stable.

The utility model is further arranged to: the rubbing surface of the friction head is parallel with the contact surface of the workbench.

By using above-mentioned technical proposal, rubbing surface is arranged in parallel with base surface, is to move back and forth in friction head In the process, the force of sliding friction size on contact surface by friction head is equal everywhere, avoids the dyestuff point being sticked on friction head Cloth is uneven, can accurately obtain the colorfastness to rubbing of dyed fabric.

In conclusion the utility model has the following beneficial effects:

1. the utility model structure is simple, there is exploitativeness, the crank that the output end with reduction gearbox is connected is set It is set to the telescopic rod being socketed to form by short handle, when the range size of dyed fabric measurement changes, can flexibly pass through adjusting The length of crank changes the contact range between friction head and dyed fabric, enhances the practicability of the utility model.

2. since three-link mechanism drives friction head in dyed fabric surface reciprocating friction, so that dyed fabric each section The frictional force being subject to is identical, that is, ensure that the dyestuff being stained on friction head is equally distributed, carried out to improve with gray card The accuracy of comparison.

3. the setting of timer, so that in defined same time, reduce when doing detection test every time, when because of friction Between different lead to possibility of the measurement result there are error.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the partial enlarged view of A in Fig. 1.

Appended drawing reference: 1, pedestal；11, workbench；12, reduction gearbox；13, electric cabinet；14, mangle device；15, driving dress It sets；2, crank；21, short handle；22, through-hole；3, friction head；4, three-link mechanism；41, connecting rod；42, pulley；43, lever；44, again Power block；5, guide plate；51, sliding slot；52, limited block；53, strip slot；6, support column；71, optoelectronic switch；72, timer.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

A kind of Crockmeter for laboratory, as shown in Figure 1, including pedestal 1, upper end of the pedestal 1 far from ground Face is from left to right successively fixed with workbench 11, reduction gearbox 12, electric cabinet 13, mangle device 14 and driving device 15, workbench 11 are located on same horizontal line with mangle device 14；Driving device 15 is motor, using electrically between motor and electric cabinet 13 Connection, the input terminal of the output shaft and reduction gearbox 12 of motor are connected.

As shown in Fig. 2, the output end of reduction gearbox 12 is hinged with crank 2, the adjustable in length of crank 2, crank 2 includes mutual Two short handles 21 of socket, the inner wall of outside short handle 21 are bonded with the outer wall of inside short handle 21,21 one end of outside short handle and deceleration The output end of case 12 is rotatablely connected, and the other end of output end of the outside short handle 21 far from reduction gearbox 12 offers through-hole 22, is led to Screw is equipped at hole 22, outside short handle 21 is abutted by screw with the outer wall of inside short handle 21.

The output end of reduction gearbox 12 is greater than the maximum elongation length of crank 2 apart from the vertical height of pedestal 1.

As shown in Figure 1, outside short handle 21 is connected far from 22 one end of through-hole three-link mechanism 4, three-link mechanism 4 is wrapped The connecting rod 41 hinged with inside short handle 21 is included, connecting rod 41 is hinged with pulley 42,42 one end of pulley hinge far from 21 one end of inside short handle It is connected to lever 43, lever 43 is fixed with friction head 3 far from 42 one end of pulley, and friction head 3 is used to test the color fastness of dyed fabric, Connection is threadably secured between friction head 3 and lever 43, the rubbing surface of friction head 3 is parallel with the contact surface of workbench 11.

Pedestal 1 is fixed with horizontal guide plate 5 along its length, and guide plate 5 is located at the edge of pedestal 1 and close to mangle device 14 sides, the length of guide plate 5 are greater than the maximum length of twice of crank 2；Guide plate 5 offers the sliding slot 51 parallel with pedestal 1, sliding slot 51 are adapted with the size of pulley 42, and pulley 42 can slide in sliding slot 51；1 upper surface of pedestal, which is fixed with, plays support to lever 43 The support column 6 of effect, support column 6 is located at the middle part of lever 43, and lever 43 can slide on support column 6；Lever 43 is far from sliding It takes turns 42 one end and is fixed with gravity block 44, gravity block 44 extends away from the contact surface of workbench 11.

Sliding slot 51 is equipped with two limited blocks 52 that can be slided in sliding slot 51 along its length, and limited block 52, which is located at, to be slided Take turns 42 two sides;For sliding slot 51 far from strip slot 53 is offered on 1 one end vertical direction of pedestal, strip slot 53 and sliding slot 51 are flat Row;51 vertical direction of sliding slot offers the perforation passed through for screw, and limited block 52 passes through the screw being arranged in perforation and strip Shape slot 53 is fixed.

It is fixed with optoelectronic switch 71 on the end face of 51 level of limited block 52 and sliding slot, optoelectronic switch 71 is located at limited block 52 Edge and close 42 one end of pulley, pass through electric connection between optoelectronic switch 71 and electric cabinet 13；Meter is installed on electric cabinet 13 When device 72.

It the concrete operating principle of the present embodiment and has the beneficial effect that

Before being measured test, the time of timer 72 is set first；Then start Crockmeter, driving Under the action of dynamic motor, the output end of reduction gearbox 12 drives crank 2 constantly to do clockwise circular motion, and crank 2 starts to turn Timer 72 starts timing while dynamic, by the mutual linkage between 41 mechanism 4 of three-link, friction head 3 is driven to knit in dyeing Ceaselessly do reciprocating friction movement in the surface of object；Electric cabinet 13 often receives the signal of an optoelectronic switch 71 transmission, indicates friction First 3 have done primary reciprocating motion；After time as defined in reaching when timer 72,13 triggering timing device 72 of electric cabinet stops timing, And at the same time timer 72 resets；Friction head 3 and the phase mutual friction between dyed fabric cause dyestuff to be sticked to the surface of friction head 3, The color that this friction head 3 is infected with is compared with gray card, the colorfastness to rubbing of you can get it the dyed fabric.

The adjustable in length of crank 2 changes the opposite position between two short handles 21 when the dyeing range of dyed fabric reduces It sets, reduces the entire length of crank 2, that is, may make the amplitude of reciprocating motion of the pulley 42 on sliding slot 51 to reduce, to reduce The CONTACT WITH FRICTION range of friction head 3 and dyed fabric；When the dyeing range of dyed fabric increases, change between two short handles 21 Relative position, increase crank 2 entire length, that is, may make the amplitude of reciprocating motion of the pulley 42 on sliding slot 51 to increase, To increase the CONTACT WITH FRICTION range of friction head 3 Yu dyed fabric.

When Crockmeter stops working, crank 2 is in vertical direction, and vertically upward, pulley 42 is in sliding slot 51 The position is set as origin position by middle position along its length surely, towards Crockmeter, it is specified that being negative on the right side of origin Direction, origin left side are positive direction.

When the output end of reduction gearbox 12 drives crank 2 to do clockwise circular motion, when crank 2 is in the range of 0-90 degree When interior rotation, crank 2 drives connecting rod 41, and connecting rod 41 is moved with movable pulley 42 to the negative direction of origin, and the drive of pulley 42 is cut with scissors therewith The lever 43 connect is translated along negative direction to the right, and is gradually deviated from origin, thus drive friction head 3 the surface of dyed fabric to the right It is mobile, the phase mutual friction of friction head 3 and dyed fabric surface, so that 3 surface of friction head is stained with dyestuff.

When the rotational angle of crank 2 is 90 degree, the negative sense distance of 42 deviation from origin of pulley is maximum, that is, reaches negative direction At maximum position.

When crank 2 rotates in the range of 90-180 degree, pulley 42 starts from the maximum position of negative direction along just Direction is close to origin, and friction head 3 can be also moved to the left along the surface of dyed fabric during this.

When the rotational angle of crank 2 is 180 degree, pulley 42 returns to origin position at this time.

When crank 2 rotates in the range of 180-270 degree, pulley 42 starts to transport from origin towards the positive direction of sliding slot 51 Dynamic, pulley 42 drives lever 43 hinged therewith to translate to the left along positive direction, and friction head 3 mutually rubs with dyed fabric surface It wipes, so that 3 surface of friction head is stained with dyestuff.

When the rotational angle of crank 2 is 270 degree, the positive distance of 42 deviation from origin of pulley is maximum, i.e. arrival positive direction Maximum position at.

When crank 2 rotates in the range of 270-360 degree, pulley 42 starts from the maximum position of positive direction along negative Direction is close to origin, and friction head 3 can also move right along the surface of dyed fabric during this.

When the rotational angle of crank 2 is 360 degree, pulley 42 returns to origin position at this time.

By repeatedly rubbing repeatedly between friction head 3 and dyed fabric, according to practical feelings in defined same time Condition, 3 surface of friction head can have the pigment of different depth degrees, and color that this friction head 3 is infected with and gray card are carried out pair Than the colorfastness to rubbing of you can get it the dyed fabric, can be made to the dyed fabric of batch production according to unified standard is The standard of perfection of no qualification.

Due to this regular multiple reciprocating motion, enable friction head 3 with dyed fabric is sufficiently effective contacts, The friction for increasing friction head 3 is the number effectively to rub, is reduced because extraneous factor either Rubbing number causes to rub less First 3 with dyed fabric insufficient contact the number to rub in vain that generates, improve the stability of Crockmeter.

Since three-link mechanism 4 drives friction head 3 in dyed fabric surface reciprocating friction so that dyed fabric each section by The frictional force arrived is identical, that is, ensure that the dyestuff being stained on friction head 3 is equally distributed, is carried out pair to improve with gray card The accuracy of ratio.

Due to can sometimes exist the successive length of crank 2 change it is smaller, compared to opening up a series of adjustment hole, two limited blocks Minimum range between 52 is the inner diameter size of adjustment hole, can not achieve the adjusting of random length, and strip slot 53 can Play the role of a fine tuning to limited block 52, can preferably finely tune the distance between two limited blocks 52.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (8)

1. a kind of Crockmeter for laboratory, including pedestal (1), the pedestal (1) along its length from a left side to The right side is disposed with workbench (11), reduction gearbox (12), electric cabinet (13), mangle device (14) and driving device (15), described Driving device (15) and the electric cabinet (13) are electrically connected, the output shaft of the driving device (15) and the reduction gearbox (12) Input terminal be connected, it is characterised in that: the output end of the reduction gearbox (12) is provided with crank (2), the crank (2) Adjustable in length, the crank (2) include the short handle (21) being mutually socketed, and the short handle of short handle (21) inner wall and internal layer of outer layer (21) outer wall is bonded, and the same end of the short handle (21) offers the through-hole (22) passed through for screw, the workbench (11) Configured with the friction head (3) for testing dyed fabric color fastness, driving is provided between the friction head (3) and crank (2) The three-link mechanism (4) that friction head (3) moves reciprocatingly on workbench (11) along pedestal (1) length direction, the pedestal (1) It is provided with along its length guide plate (5), the guide plate (5) offers the sliding slot parallel with pedestal (1) (51), the three-link Mechanism (4) sliding, the pedestal (1) can be provided with the support column to play a supportive role to three-link mechanism (4) in sliding slot (51) (6)。

2. a kind of Crockmeter for laboratory according to claim 1, it is characterised in that: the three-link machine Structure (4) includes connecting rod (41), and the connecting rod (41) is provided with the pulley (42) being connected therewith, institute far from crank (2) one end Stating pulley (42) sliding, the pulley (42) can be provided with the lever (43) being connected therewith, institute in the sliding slot (51) State one end that friction head (3) is fixed on lever (43) separate pulley (42).

3. a kind of Crockmeter for laboratory according to claim 2, it is characterised in that: the reduction gearbox (12) output end is greater than the maximum elongation length of crank (2) apart from the vertical height of pedestal (1).

4. a kind of Crockmeter for laboratory according to claim 1, it is characterised in that: the sliding slot (51) It is provided with the limited block (52) that can be slided in sliding slot (51) along its length, the limited block (52) is arranged in pulley (42) Two sides, the sliding slot (51) offer the strip slot (53) passed through for screw far from pedestal (1) one end horizontal direction.

5. a kind of Crockmeter for laboratory according to claim 4, it is characterised in that: the limited block (52) it is provided with optoelectronic switch (71) close to pulley (42) side, the optoelectronic switch (71) and electric cabinet (13) are electrically connected.

6. a kind of Crockmeter for laboratory according to claim 1, it is characterised in that: the electric cabinet (13) timer (72) are installed on.

7. a kind of Crockmeter for laboratory according to claim 2, it is characterised in that: the lever (43) It is provided with gravity block (44) far from pulley (42) one end, contact surface of the gravity block (44) away from workbench (11) extends.

8. a kind of Crockmeter for laboratory according to claim 1, it is characterised in that: the friction head (3) rubbing surface is parallel with the contact surface of the workbench (11).