CN116753808B - Device, method and correction method for measuring special-shaped groove of contact type sliding rail - Google Patents
Device, method and correction method for measuring special-shaped groove of contact type sliding rail Download PDFInfo
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- CN116753808B CN116753808B CN202311041588.0A CN202311041588A CN116753808B CN 116753808 B CN116753808 B CN 116753808B CN 202311041588 A CN202311041588 A CN 202311041588A CN 116753808 B CN116753808 B CN 116753808B
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Abstract
The application discloses a measuring device, a measuring method and a correcting method for a special-shaped ditch of a contact type sliding rail, wherein the measuring device comprises the following components: the device comprises a mounting side plate, a U-shaped plate, a fastening block, a positioning block, a taper rod, a thimble, an ejector block and a dial indicator. The taper rod and the thimble are skillfully utilized to convert the groove width which is difficult to measure into linear quantity, the linear quantity is transmitted to the measuring head of the dial indicator through the ejector block, accurate data of the groove width are rapidly calculated through the reading of the dial indicator, and the accuracy of the data reaches the micron level. Through the arrangement of the correction jig, the measurement device can quickly and conveniently obtain correction, thereby ensuring the accuracy of measurement results; meanwhile, the reference reading of the measuring device can be obtained rapidly through the correction jig, so that the high efficiency and convenience of the use of the measuring device are improved. Through the setting of guide hole, guide arm and spring for before measuring, the thimble is in more anterior position, avoids the kicking block to last causing continuous pressure to the measuring head of amesdial, is favorable to promoting the accuracy of measurement.
Description
Technical Field
The present application relates to a device and a method for measuring a sliding rail, and more particularly to a device, a method and a method for measuring a special-shaped groove of a contact sliding rail.
Background
Along with the development of the times, the requirements of the machining field on the precision, the service life, the stability and the like of mechanical equipment are more and more strict, and the ball sliding seat and the matched sliding rail thereof are widely applied to the linear sliding foundation part of the precision machinery due to the characteristics of low friction, high rigidity, high precision, capability of bearing larger load and stable movement, wherein the sliding rail is a supporting and guiding structure of the ball sliding seat and is usually made of aluminum alloy, steel or other high-strength materials. The slide rail is provided with a series of ball ways which are matched with the ball assemblies of the ball slide seat and are used for guiding the movement of the slide block.
The design and manufacturing accuracy of the slide rail plays an important role in the motion accuracy and stability of the ball slide. The slide rail is generally required to have high hardness, high flatness and high surface finish, and particularly, a special-shaped groove in which balls in the ball slide are brought into contact and play a main supporting role, and the surface smoothness, groove radius accuracy, groove width accuracy and the like thereof have decisive influence on the movement accuracy, movement life and the like, so that the ball slide is ensured to be able to slide smoothly and high-accuracy position control is achieved, and the machining accuracy of the special-shaped groove of the slide rail is one of the key points.
At present, the detection of the slide rail workpiece is mainly carried out by manually utilizing tools such as a vernier caliper and the like to carry out manual subjective measurement, but the precision of measuring the groove width by manually utilizing the tools such as the vernier caliper and the like can not meet the requirement due to the position and the shape specificity of the slide rail special-shaped groove. Therefore, some enterprises directly adopt the gauge to detect whether the groove width of the special-shaped groove is qualified, but the gauge can only reflect whether the groove width is qualified or not, or can not detect accurate groove width data for parameter adjustment of production equipment or reworking reference of unqualified products, and the operation of measuring by adopting universal precise instruments such as three coordinates is more complicated, and the measuring efficiency is lower.
Disclosure of Invention
The embodiment of the application solves the problems of insufficient groove width measurement precision or lower measurement efficiency of the special-shaped groove of the sliding rail in the prior art by providing the device, the method and the method for measuring the special-shaped groove of the sliding rail, and realizes high-efficiency and accurate measurement of the special-shaped groove width of the sliding rail.
In one aspect, an embodiment of the present application provides a device for measuring a special-shaped groove of a contact sliding rail, including:
the two mounting side plates are symmetrically arranged at left and right intervals;
the U-shaped plate is fixedly arranged on the front side between the two mounting side plates in a backward direction;
the upper side of the fastening block is provided with a fastening groove and is fixedly arranged on the front side of the U-shaped plate, and the left side and the right side of the fastening block are provided with fastening threaded holes;
the positioning block is fixedly arranged in a fastening groove of the fastening block, fastening holes corresponding to the positions of the fastening threaded holes are formed in the left side and the right side of the positioning block, a top pinhole and four taper rod mounting grooves are formed in the front-back direction of the positioning block, the top pinhole is positioned in the middle of the positioning block, and the taper rod mounting grooves are positioned at the periphery of the top pinhole and are distributed in a rectangular shape;
the taper rods comprise a taper part at the front side and a cylindrical part at the rear side, the section of the taper part is uniformly increased from front to back, and the cylindrical parts are arranged in the taper rod mounting grooves;
the front end of the threaded fastener passes through the fastening threaded hole and the fastening hole and then abuts against the cylindrical part, and the threaded fastener is in threaded connection with the fastening threaded hole;
the ejector pin penetrates through the ejector pin hole;
the ejector block is arranged on the ejector pin and is positioned at the rear side of the positioning block;
the dial indicator is arranged between the two mounting side plates, and the measuring head of the dial indicator is arranged forward and abuts against the top block.
As some embodiments of the measuring device, a through hole and a guide block with a threaded hole in the middle are further formed in the middle of the rear side of the U-shaped plate, a guide hole is formed in the rear end of the thimble, a guide rod is slidably arranged in the guide hole, an external thread matched with the threaded hole of the guide block is arranged at the rear end of the guide rod, the guide rod is fixedly arranged on the guide block through threads, a spring is sleeved outside the guide rod, one end of the spring abuts against the guide block, and the other end of the spring abuts against the thimble.
According to some embodiments of the application, the front and rear directions of the two mounting side plates are also provided with side plate sliding grooves, a mounting frame is arranged between the side plate sliding grooves, the left end and the right end of the mounting frame are respectively connected with a second adjusting bolt in a threaded manner, the heads of the second adjusting bolts are positioned on the outer sides of the mounting side plates, and the dial indicator is fixedly mounted on the mounting frame.
As some embodiments of the present application, there are also:
the mounting rear plate is fixedly arranged at the rear side between the two mounting side plates;
the first adjusting bolt penetrates through the mounting rear plate and is in threaded connection with the mounting frame, and the head of the first adjusting bolt is positioned at the rear side of the mounting rear plate;
and the protection piece is fixedly arranged at the rear side of the mounting rear plate and covers the head part of the first adjusting bolt.
As the optimization of the embodiment of the measuring device, the application further comprises a correction jig for correcting the contact type sliding rail special-shaped groove measuring device, wherein the correction jig comprises:
the correction block is provided with correction holes corresponding to the positions of the four taper rods, and the size of the correction holes is consistent with the design size of the special-shaped groove of the sliding rail to be detected; when in correction, the correction block is sleeved on the conical part of the conical rod;
the base block is provided with a cavity at the rear side, and during correction, the base block is positioned between the correction block and the positioning block, and the thimble is positioned in the cavity.
As some embodiments of the measuring device, the bottom of the fastening groove is also provided with a positioning protrusion and a first mounting hole, the bottom of the positioning block is provided with a positioning groove matched with the positioning protrusion and a mounting threaded hole corresponding to the first mounting hole, and the mounting threaded hole is internally and spirally connected with a first threaded piece penetrating through the first mounting hole.
As some embodiments of the measuring device, the ejector block is provided with a clamping groove capable of clamping the ejector pin, and the ejector block is provided with a second thread piece capable of adjusting the width of the clamping groove.
Some embodiments of the measuring device of the present application further comprise a protective frame, wherein the protective frame is fixedly installed at the upper ends of the U-shaped plate and the installed rear plate, and encloses the dial indicator; an adjusting hole for adjusting the first adjusting bolt is formed in the middle of the protective piece.
In another aspect, the embodiment of the application provides a method for measuring a special-shaped groove of a contact type sliding rail, which adopts the device for measuring the special-shaped groove of the contact type sliding rail, and comprises the following steps:
s1, measuring: the special-shaped groove of the sliding rail to be tested corresponds to the position of the taper rod and is pushed into the space between the taper rods backwards until the special-shaped groove is stopped by the taper rod, in the process, the rear end of the sliding rail props against the ejector pin and pushes the ejector pin backwards, the ejector pin drives the ejector block to move backwards, the ejector block pushes the measuring head to move backwards again, so that the pointer of the dial indicator is driven to rotate, the reading X of the dial indicator at the moment is read, and then the sliding rail is removed;
s2, calculating: the groove width Y was calculated using the following:
Y=Z-（（D-d）/L）*（X-A）
wherein Z is the standard groove width (namely the groove width designed by the slide rail to be measured), D is the maximum diameter of the taper rod cone, D is the minimum diameter of the taper rod cone, L is the length of the taper rod cone, X is the reading of the dial indicator when the slide rail to be measured is measured, and A is the reference reading of the dial indicator when the slide rail of the standard groove width is measured.
The embodiment of the application also provides a correction method of the contact type sliding rail special-shaped groove measuring device, which adopts the contact type sliding rail special-shaped groove measuring device and comprises the following steps:
the method comprises the steps of firstly adjusting a threaded fastener to enable a taper rod to move back and forth in a taper rod mounting groove, then placing a base block on the front side of a positioning block, enabling the front end of a thimble to be located in a cavity of the base block, then inserting a correction block into the taper part of the taper rod and tightly attaching the base block, then pushing the taper rod to move forward until the taper rod is stopped by the correction block, then adjusting the threaded fastener to press the taper rod to enable the taper rod to be incapable of moving in the taper rod mounting groove, removing the base block, reading a reading A of a dial indicator when the correction block is pushed backwards to a limit position, at the moment, taking the reading A as a reference reading, and removing the correction block to finish correction.
As some embodiments of the calibration method of the present application, during calibration, in order to make the dial indicator within a preferred range of measurement, the dial indicator may be further adjusted to a proper position by adjusting the first adjusting bolt and/or the second adjusting bolt.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
1. the measuring efficiency and the measuring precision are high. The taper rod and the thimble are skillfully utilized to convert the groove width which is difficult to measure into linear quantity, the linear quantity is transmitted to the measuring head of the dial indicator through the ejector block, accurate data of the groove width are rapidly calculated through the reading of the dial indicator, and the accuracy of the data reaches the micron level. Through the arrangement of the correction jig, the measurement device can quickly and conveniently obtain correction, thereby ensuring the accuracy of measurement results; meanwhile, the reference reading of the measuring device can be obtained rapidly through the correction jig, so that the high efficiency and convenience of the use of the measuring device are improved. Through the setting of guide hole, guide arm and spring for before measuring, the thimble is in more anterior position, avoids the kicking block to last causing continuous pressure to the measuring head of amesdial, is favorable to promoting the accuracy of measurement.
2. The convenience is high. Through first adjusting bolt and second adjusting bolt, can adjust the mounting bracket and put the front and back position between the curb plate spout, and then adjust the position of amesdial for the amesdial is in suitable range all the time in the measurement process, and wherein, second adjusting bolt is used for coarse tuning amesdial position, and first adjusting bolt then is used for finely tuning amesdial position, hoisting device's adaptability. And the clamping groove is formed in the ejector block, and the second threaded piece capable of adjusting the width of the clamping groove is arranged, so that the ejector block can be conveniently assembled and the front and rear positions of the ejector block on the ejector pin can be conveniently adjusted.
3. The stability is high. Through setting up of location arch and positioning groove for location equipment is convenient between fastening piece and the locating piece, is favorable to promoting measuring device's stability and measurement accuracy. Through the setting of protection frame, can effectively protect the amesdial not take place to collide with, make things convenient for simultaneously to measure handheld in the device use, avoid measuring device in the use external object contact amesdial and influence its result, and then be favorable to promoting measurement accuracy and measuring device's life. Through the setting of installation back plate, be favorable to promoting measuring device's stability. Through the setting of guard piece, can avoid under the non-adjustment condition, make the amesdial move because of the mistake touches first adjusting bolt, through the setting of spring compression stroke, still can restrict the backward maximum displacement of thimble, can avoid having the unexpected collision thimble of foreign matter after, damage the amesdial because of the backward displacement of thimble is too big or remove too fast, be favorable to promoting measuring device's stability.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic perspective view of a measuring apparatus according to an embodiment of the present application;
FIG. 3 is a schematic view illustrating an internal perspective structure of a measuring apparatus according to an embodiment of the present application;
FIG. 4 is a schematic view of a partially exploded perspective view of a measuring device according to an embodiment of the present application;
FIG. 5 is a schematic diagram of an exploded perspective view of a measuring device according to an embodiment of the present application;
FIG. 6 is a perspective view of a reference setting status of a measuring apparatus according to an embodiment of the present application;
FIG. 7 is a schematic diagram of an exploded perspective view of a calibration jig of a measuring apparatus according to an embodiment of the present application.
The reference numerals of the application are: the device comprises a 1-mounting side plate, a 11-side plate sliding groove, a 1 a-mounting rear plate, a 1 b-mounting frame, a 1 c-protecting frame, a 1 d-first adjusting bolt, a 1 e-protecting piece, a 1 f-second adjusting bolt, a 2-U-shaped plate, a 21-through hole, a 2 a-guide block, a 3-fastening block, a 31-fastening threaded hole, a 32-fastening groove, a 33-positioning protrusion, a 34-first mounting hole, a 3 a-threaded fastener, a 3 b-first threaded piece, a 4-positioning block, a 41-fastening hole, a 42-jacking hole, a 43-taper rod mounting groove, a 44-mounting threaded hole, a 45-positioning groove, a 5-taper rod, a 51-taper part, a 52-cylindrical part, a 6-dial gauge, a 61-measuring head, a 7-jacking block, a 71-clamping groove, a 7 a-second threaded piece, an 8-jacking pin, 81-guide hole, an 8 a-guide rod, an 8 b-spring, a 9-correction jig, a 91-correction block, a 92-base block and a 10-sliding rail.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Example 1: as shown in fig. 1 to 5, a device for measuring a special-shaped groove of a contact type slide rail includes:
the two mounting side plates 1 are symmetrically arranged at left and right intervals;
the U-shaped plate 2 is fixedly arranged on the front side between the two mounting side plates 1 in a protruding way towards the rear;
the upper side of the fastening block 3 is provided with a fastening groove 32 and is fixedly arranged on the front side of the U-shaped plate 2, and the left side and the right side of the fastening block 3 are provided with fastening threaded holes 31;
the positioning block 4 is fixedly arranged in the fastening groove 32 of the fastening block 3, fastening holes 41 corresponding to the positions of the fastening threaded holes 31 are formed in the left side and the right side of the positioning block 4, a top pin hole 42 and four taper rod mounting grooves 43 are formed in the front-back direction of the positioning block 4, the top pin hole 42 is positioned in the middle of the positioning block 4, and the taper rod mounting grooves 43 are positioned at the periphery of the top pin hole 42 and are distributed in a rectangular shape;
the four taper rods 5, wherein the taper rods 5 comprise a front taper part 51 and a rear cylindrical part 52, the section of the taper part 51 is uniformly increased from front to back, and the cylindrical part 52 is arranged in the taper rod mounting groove 43;
a threaded fastener 3a, wherein the front end of the threaded fastener 3a passes through the fastening threaded hole 31 and the fastening hole 41 and then abuts against the cylindrical part 52, and the threaded fastener 3a is in threaded connection with the fastening threaded hole 31; in the present embodiment, the threaded fasteners 3a are bolts, and are provided with six in total;
the thimble 8 passes through the thimble hole 42;
the ejector block 7 is arranged on the ejector pin 8 and positioned at the rear side of the positioning block 4;
the dial indicator 6 is installed between the two installation side plates 1, and the measuring head 61 of the dial indicator 6 is arranged forward and abuts against the top block 7.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
the taper rod 5 and the thimble 8 are skillfully utilized to convert the groove width which is difficult to measure into linear quantity, and the linear quantity is transmitted to the measuring head 61 of the dial indicator 6 through the ejector block 7, so that accurate data of the groove width can be rapidly calculated through the reading of the dial indicator 6, and the accuracy of the data can reach the micron level.
Example 2: in this embodiment, on the basis of embodiment 1, a correction jig 9 is added, so as to be convenient for correcting the contact type sliding rail special-shaped groove measuring device and quickly setting the reference, as shown in fig. 1 to 7, specifically:
the correction jig 9 for correcting the contact type sliding rail special-shaped groove measuring device is further included, and the correction jig 9 comprises:
the correction block 91 is provided with correction holes corresponding to the positions of the four taper rods 5, and the size of the correction holes is consistent with the design size of the special-shaped groove of the sliding rail 10 to be detected; during correction, the correction block 91 is sleeved on the conical part 51 of the conical rod 5;
the base block 92 is provided with a cavity at the rear side, the base block 92 is positioned between the correction block 91 and the positioning block 4 during correction, and the thimble 8 is positioned in the cavity.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
through the arrangement of the correction jig 9, the measurement device can quickly and conveniently obtain correction, thereby ensuring the accuracy of measurement results; meanwhile, the reference reading of the measuring device can be obtained rapidly through the correction jig 9, so that the high efficiency and convenience of the use of the measuring device are improved.
Example 3: in this embodiment, on the basis of embodiment 2, the structure of the device for measuring the special-shaped ditch of the contact type sliding rail is further optimized, as shown in fig. 1 to 7, specifically:
still open in the middle of the U template 2 rear side has through-hole 21 and fixed mounting has guide block 2a that the middle part opened threaded hole, the guide hole 81 is opened to thimble 8 rear end, it is provided with guide arm 8a to slide in the guide hole 81, guide arm 8a rear end is equipped with guide block 2a threaded hole complex external screw thread, guide arm 8a screw thread fixed mounting in on the guide block 2a, guide arm 8a overcoat is equipped with spring 8b, spring 8b one end supports guide block 2a is last, and the other end supports thimble 8.
The two the front and back direction of installation curb plate 1 still opens curb plate spout 11, be provided with mounting bracket 1b between the curb plate spout 11, both ends all threaded connection has second adjusting bolt 1f about mounting bracket 1b, the head of second adjusting bolt 1f is located the outside of installation curb plate 1, amesdial 6 fixed mounting is in on the mounting bracket 1 b.
The method also comprises the following steps: a mounting rear plate 1a fixedly mounted between the two mounting side plates 1;
a first adjusting bolt 1d penetrates through the mounting rear plate 1a and is in threaded connection with the mounting frame 1b, and the head of the first adjusting bolt 1d is positioned at the rear side of the mounting rear plate 1 a;
and a protecting piece 1e fixedly installed at the rear side of the installation rear plate 1a and covering the head of the first adjusting bolt 1 d.
The bottom of the fastening groove 32 is also provided with a positioning protrusion 33 and a first mounting hole 34, the bottom of the positioning block 4 is provided with a positioning groove 45 matched with the positioning protrusion 33 and a mounting threaded hole 44 corresponding to the first mounting hole 34, and the mounting threaded hole 44 is internally and threadedly connected with a first threaded member 3b penetrating through the first mounting hole 34.
The ejector block 7 is provided with a clamping groove 71 capable of clamping the ejector pin 8, and the ejector block 7 is provided with a second screw 7a capable of adjusting the width of the clamping groove 71. In the present embodiment, the first screw 3b and the second screw 7a are bolts.
The dial indicator also comprises a protective frame 1c, wherein the protective frame 1c is fixedly arranged at the upper ends of the U-shaped plate 2 and the mounting rear plate 1a and encloses the dial indicator 6; an adjusting hole for adjusting the first adjusting bolt 1d is formed in the middle of the protective piece 1e, and the position of the dial indicator 6 can be conveniently adjusted by directly adopting a hexagonal wrench.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
through the setting of guide hole 81, guide arm 8a and spring 8b for before measuring, thimble 8 is in more anterior position, avoids kicking block 7 to continuously cause continuous pressure to measuring head 61 of amesdial 6, is favorable to promoting the accuracy of measurement. Meanwhile, through the arrangement of the compression stroke of the spring 8b, the backward maximum displacement of the thimble 8 can be limited, and the damage to the dial indicator 6 caused by overlarge backward displacement or too fast movement of the thimble 8 after the foreign objects accidentally collide with the thimble 8 can be avoided, so that the stability of the measuring device is improved.
Through first adjusting bolt 1d and second adjusting bolt 1f, can adjust mounting bracket 1b in the front and back position between curb plate spout 11, and then adjust the position of amesdial 6 for measuring in-process amesdial 6 is in suitable range all the time, and wherein, second adjusting bolt 1f is used for coarse setting amesdial 6 position, and first adjusting bolt 1d then is used for finely tuning amesdial 6 position, hoisting device's adaptability. By the arrangement of the protective element 1e, it is possible to avoid that the dial indicator 6 is moved by a false touch on the first adjusting screw 1d in the case of unadjusted operation. By opening the clip groove 71 in the top block 7 and providing the second screw 7a capable of adjusting the width of the clip groove 71, assembly can be performed easily and the front-rear position of the top block 7 on the ejector pin 8 can be adjusted easily.
Through the setting of location protruding 33 and positioning groove 45 for location equipment is convenient between fastening piece 3 and the locating piece 4, is favorable to promoting measuring device's stability and measurement accuracy.
Through the setting of protection frame 1c, can effectively protect amesdial 6 not take place to collide with, make things convenient for simultaneously to measure handheld in the device use, avoid measuring device in the use external object contact amesdial 6 and influence its result, and then be favorable to promoting measurement accuracy and measuring device's life.
By installing the rear plate 1a, the stability of the measuring device is improved.
Example 4: the method for measuring the special-shaped groove of the contact type sliding rail adopts the device for measuring the special-shaped groove of the contact type sliding rail in the embodiment 3, as shown in fig. 1, and comprises the following specific steps:
s1, measuring: the special-shaped groove of the sliding rail 10 to be tested is corresponding to the position of the taper rod 5 and is pushed into the space between the taper rods 5 backwards until the special-shaped groove is stopped by the taper rod 5, in the process, the rear end of the sliding rail 10 props against the thimble 8 and pushes the thimble backwards, the thimble 8 drives the ejector block 7 to move backwards, the ejector block 7 pushes the measuring head 61 to move backwards again, so that the pointer of the dial indicator 6 is driven to rotate, the reading X of the dial indicator 6 at the moment is read, and then the sliding rail 10 is removed;
s2, calculating: the groove width Y was calculated using the following:
Y=Z-（（D-d）/L）*（X-A）
wherein Z is the standard groove width (namely the groove width designed by the slide rail 10 to be measured), D is the maximum diameter of the conical part 51 of the conical rod 5, D is the minimum diameter of the conical part 51 of the conical rod 5, L is the length of the conical part 51 of the conical rod 5, X is the reading of the dial indicator 6 when the slide rail 10 to be measured is measured, and A is the reference reading of the dial indicator 6 when the standard groove width slide rail 10 is measured.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
by reading the dial indicator 6, micrometer-scale groove width data can be rapidly calculated, and the measurement efficiency and the measurement accuracy are high.
Example 5: a correction method of a contact type sliding rail special-shaped groove measuring device adopts the contact type sliding rail special-shaped groove measuring device described in the embodiment 3, as shown in fig. 6, and comprises the following steps:
the threaded fastener 3a is adjusted so that the taper rod 5 can move back and forth in the taper rod mounting groove 43, the base block 92 is arranged at the front side of the positioning block 4, the front end of the thimble 8 is positioned in the cavity of the base block 92, the correction block 91 is inserted into the taper part 51 of the taper rod 5 and is tightly attached to the base block 92, the taper rod 5 is then outwards stirred (i.e. the taper rod 5 is pushed to move forwards) by hands until the taper rod is stopped by the correction block 91, the threaded fastener 3a is adjusted so that the taper rod 5 cannot move in the taper rod mounting groove 43, the base block 92 is removed, the reference reading A of the dial gauge 6 is read when the correction block 91 is backwards pushed to a limit position, and the correction block 91 is removed to finish correction.
Of course, in order to make the dial indicator 6 in a preferred range, the dial indicator 6 may be adjusted to a proper position by adjusting the first adjusting bolt 1d and/or the second adjusting bolt 1f during the calibration process.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The utility model provides a contact slide rail dysmorphism ditch measuring device which characterized in that includes:
two mounting side plates (1) which are symmetrically arranged at left and right intervals;
the U-shaped plate (2) is fixedly arranged on the front side between the two mounting side plates (1) in a way that the bulge faces backwards;
the upper side of the fastening block (3) is provided with a fastening groove (32) and is fixedly arranged on the front side of the U-shaped plate (2), and the left side and the right side of the fastening block (3) are provided with fastening threaded holes (31);
the positioning block (4) is fixedly arranged in a fastening groove (32) of the fastening block (3), fastening holes (41) corresponding to the positions of the fastening threaded holes (31) are formed in the left side and the right side of the positioning block (4), a top pin hole (42) and four taper rod mounting grooves (43) are formed in the front-back direction of the positioning block (4), the top pin hole (42) is positioned in the middle of the positioning block (4), and the taper rod mounting grooves (43) are positioned at the periphery of the top pin hole (42) and are in rectangular distribution;
the four taper rods (5), wherein the taper rods (5) comprise a taper part (51) at the front side and a cylindrical part (52) at the rear side, the section of the taper part (51) is uniformly increased from front to back, and the cylindrical part (52) is arranged in the taper rod mounting groove (43);
a threaded fastener (3 a), wherein the front end of the threaded fastener (3 a) passes through the fastening threaded hole (31) and the fastening hole (41) and then abuts against the cylindrical part (52), and the threaded fastener (3 a) is in threaded connection with the fastening threaded hole (31);
the ejector pin (8) passes through the ejector pin hole (42);
the ejector block (7) is arranged on the ejector pin (8) and is positioned at the rear side of the positioning block (4);
the dial indicator (6) is arranged between the two mounting side plates (1), and a measuring head (61) of the dial indicator (6) is arranged forwards and abuts against the top block (7);
the guide pin comprises a U-shaped plate (2), and is characterized in that a through hole (21) and a guide block (2 a) with a threaded hole in the middle of the rear side of the U-shaped plate (2) are further formed in the middle of the rear side of the U-shaped plate, a guide hole (81) is formed in the rear end of a thimble (8), a guide rod (8 a) is arranged in the guide hole (81) in a sliding mode, external threads matched with the threaded hole of the guide block (2 a) are formed in the rear end of the guide rod (8 a), a spring (8 b) is sleeved outside the guide rod (8 a), one end of the spring (8 b) abuts against the guide block (2 a), and the other end of the spring abuts against the thimble (8).
2. The device for measuring the special-shaped ditch of the contact type sliding rail according to claim 1, wherein side plate sliding grooves (11) are further formed in the front-rear direction of the two mounting side plates (1), a mounting frame (1 b) is arranged between the side plate sliding grooves (11), second adjusting bolts (1 f) are connected to the left end and the right end of the mounting frame (1 b) in a threaded mode, the heads of the second adjusting bolts (1 f) are located on the outer side of the mounting side plates (1), and the dial indicator (6) is fixedly mounted on the mounting frame (1 b).
3. The device for measuring a profiled ditch of a contact rail according to claim 2, further comprising:
a mounting rear plate (1 a) fixedly mounted on the rear side between the two mounting side plates (1);
a first adjusting bolt (1 d) penetrates through the mounting rear plate (1 a) and is in threaded connection with the mounting frame (1 b), and the head of the first adjusting bolt (1 d) is positioned at the rear side of the mounting rear plate (1 a);
and a guard (1 e) fixedly installed at the rear side of the installation rear plate (1 a) and covering the head of the first adjusting bolt (1 d).
4. The device for measuring the abnormal ditch of the contact type sliding rail according to claim 3, further comprising a correction jig (9) for correcting the device for measuring the abnormal ditch of the contact type sliding rail, wherein the correction jig (9) comprises:
the correction block (91) is provided with correction holes corresponding to the positions of the four taper rods (5), and the size of the correction holes is consistent with the design size of the special-shaped groove of the sliding rail (10) to be detected; during correction, a correction block (91) is sleeved on the conical part (51) of the conical rod (5);
the base block (92) is provided with a cavity at the rear side, the base block (92) is positioned between the correction block (91) and the positioning block (4) during correction, and the thimble (8) is positioned in the cavity.
5. The device for measuring the special-shaped ditch of the contact type sliding rail according to claim 1, wherein a positioning protrusion (33) is further arranged at the bottom of the fastening groove (32) and a first mounting hole (34) is formed in the bottom of the positioning block (4), a positioning groove (45) matched with the positioning protrusion (33) and a mounting threaded hole (44) corresponding to the first mounting hole (34) in position are formed in the bottom of the positioning block, and a first threaded piece (3 b) penetrating through the first mounting hole (34) is connected in the mounting threaded hole (44) in an internal threaded mode.
6. The device for measuring the special-shaped ditch of the contact type sliding rail according to claim 1, wherein the ejector block (7) is provided with a clamping groove (71) capable of clamping the ejector pin (8), and the ejector block (7) is provided with a second screw (7 a) with adjustable width of the clamping groove (71).
7. A device for measuring a special-shaped ditch of a contact slide rail according to claim 3, further comprising a protective frame (1 c), wherein the protective frame (1 c) is fixedly arranged at the upper ends of the U-shaped plate (2) and the mounting rear plate (1 a) and encloses the dial indicator (6); an adjusting hole for adjusting the first adjusting bolt (1 d) is formed in the middle of the protective piece (1 e).
8. A method for measuring a special-shaped groove of a contact type sliding rail, which is characterized in that the measuring method adopts the special-shaped groove measuring device of the contact type sliding rail according to claim 4, and comprises the following steps:
s1, measuring: the special-shaped groove of the sliding rail (10) to be detected corresponds to the position of the taper rod (5) and is pushed into the space between the taper rods (5) backwards until the special-shaped groove is stopped by the taper rod (5), the reading X of the dial indicator (6) is read, and then the sliding rail (10) is removed;
s2, calculating: the groove width Y was calculated using the following:
Y=Z-（（D-d）/L）*（X-A）
z is standard groove width, D is the maximum diameter of the conical part (51) of the conical rod (5), D is the minimum diameter of the conical part (51) of the conical rod (5), L is the length of the conical part (51) of the conical rod (5), X is the reading of the dial indicator (6) when the sliding rail (10) to be measured is measured, and A is the reference reading of the dial indicator (6) when the sliding rail (10) with standard groove width is measured.
9. The method for measuring a special-shaped groove of a contact type sliding rail according to claim 8, further comprising the steps of, before step S1, measuring:
s0, reference setting: adjusting the threaded fastener (3 a) to enable the taper rod (5) to move back and forth in the taper rod mounting groove (43), then arranging the base block (92) on the front side of the positioning block (4), enabling the front end of the thimble (8) to be positioned in the cavity of the base block (92), then inserting the correction block (91) into the taper part (51) of the taper rod (5) and tightly attaching the base block (92), then pushing the taper rod (5) to move forward until the taper rod is stopped by the correction block (91), then adjusting the threaded fastener (3 a) to press the taper rod (5) to enable the taper rod to not move in the taper rod mounting groove (43), removing the base block (92), reading the reference reading A of the dial indicator (6) when the correction block (91) is pushed backward to a limit position, and removing the correction block (91) to complete reference setting.
10. The correction method of the contact type sliding rail special-shaped groove measuring device is characterized by comprising the following steps of:
firstly, inserting a correction block (91) into a conical part (51) of a conical rod (5) and pushing the correction block to a limit position backwards, and checking whether the difference between the reading of a dial indicator (6) and a reference reading exceeds a set value or not at the moment:
if the set value is not exceeded, the reading of the dial indicator (6) is adjusted to the reference reading by adjusting the first adjusting bolt (1 d) and/or the second adjusting bolt (1 f), so that correction is completed;
if the set value is exceeded, the taper rod (5) can move back and forth in the taper rod mounting groove (43) through adjusting the threaded fastener (3 a), then the base block (92) is arranged on the front side of the positioning block (4), the front end of the thimble (8) is positioned in the cavity of the base block (92), then the correction block (91) is inserted into the taper part (51) of the taper rod (5) and is tightly attached to the base block (92), the taper rod (5) is pushed to move forward until the correction block (91) stops, then the threaded fastener (3 a) is adjusted to press the taper rod (5) so that the taper rod cannot move in the taper rod mounting groove (43), the base block (92) is removed, and the reference reading A of the dial indicator (6) when the correction block (91) is pushed backwards to the limit position is read and recorded, so that the correction of the contact type sliding rail special-shaped groove measuring device is completed.
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| CN202311041588.0A CN116753808B (en) | 2023-08-18 | 2023-08-18 | Device, method and correction method for measuring special-shaped groove of contact type sliding rail |
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| CN202311041588.0A CN116753808B (en) | 2023-08-18 | 2023-08-18 | Device, method and correction method for measuring special-shaped groove of contact type sliding rail |
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