CN109945818B

CN109945818B - Roughness profile meter

Info

Publication number: CN109945818B
Application number: CN201711391390.XA
Authority: CN
Inventors: 陈向磊; 冯娇娇
Original assignee: Zhejiang Times Measure Technology Co ltd
Current assignee: Zhejiang Times Measure Technology Co ltd
Priority date: 2017-12-21
Filing date: 2017-12-21
Publication date: 2021-04-13
Anticipated expiration: 2037-12-21
Also published as: CN109945818A

Abstract

The invention relates to a metering device, in particular to a roughness profiler. Roughness profile appearance, including the stand of base, perpendicular to base, sliding connection has measuring device on the stand, sliding connection has work platform on the base, is provided with the guide way on the base, is provided with the direction arch with guide way sliding connection on the work platform. The sliding mechanism has the beneficial effects of effectively improving sliding precision, reducing friction force during adjustment, being convenient to assemble, overhaul and maintain, effectively saving processing cost while ensuring high precision and the like.

Description

Roughness profile meter

Technical Field

The invention relates to a metering device, in particular to a roughness profiler.

Background

The existing machine tool equipment is large, the requirement on machining precision is high, when the machine tool is installed in a workshop, because the floor flatness of the workshop is not high, when the machine tool is placed at the position with uneven floor, the levelness of the machine tool is poor, and when the machine tool is used for machining a workpiece, the axis of the workpiece is easy to deviate, so that the product quality is reduced. At present, the horizontal state of a machine tool is adjusted by arranging an adjusting sizing block at the corner of the machine tool and adjusting the height of the corner of the machine tool by using the adjusting sizing block so as to keep the machine tool in the horizontal state. However, the working platform of the current adjusting sizing block is in surface contact with the guide inclined plane, so that the friction force is large, no limit exists between the working platform and the guide inclined plane, the working platform and the guide inclined plane are easy to deflect in the adjusting process, and the precision is low.

Disclosure of Invention

The invention mainly aims at the problems and provides the adjusting sizing block for the machine tool, which can effectively improve the sliding precision, reduce the friction force during adjustment, is convenient to assemble, is convenient to overhaul and maintain, and can effectively save the processing cost while ensuring the high precision.

The purpose of the invention is mainly realized by the following scheme: the utility model provides a roughness contourgraph, includes the stand of base, perpendicular to base, and sliding connection has measuring device on the stand, and sliding connection has work platform on the base, is provided with the guide way on the base, and work platform is last to be provided with guide way sliding connection's direction arch.

Preferably, the guide groove is internally provided with rotating rollers at intervals, the axis direction of each rotating roller is perpendicular to the sliding direction of the guide protrusion, a support rail is arranged between any two adjacent rotating rollers on the bottom surface of the guide groove, the section of each support rail is arc-shaped and is tangent to the adjacent rotating roller, the axis of each rotating roller is rotatably connected with a rotating shaft, two ends of each rotating shaft are connected with the side wall of the guide groove through rotating bearings, a containing cavity is formed in the side wall of the guide groove, each rotating bearing is located in the containing cavity, a damping spring is arranged between the lower end of each rotating bearing and the lower bottom surface of the containing cavity, guide blocks are clamped on the two side walls of the guide groove, the sections of the guide blocks are in a right trapezoid shape, the upper surfaces of the guide blocks and the guide inclined surfaces are located in the same plane, the lower surfaces of the guide blocks are limiting inclined surfaces, one side, close to the guide protrusions, and the minimum distance. The rotary roller is arranged in the guide groove and is rotationally connected with the rotary shaft at the axis, the two ends of the rotary shaft are provided with the rotating bearings, the rotary shaft is rotationally connected with the rotating bearings, namely the rotating bearings are kept static, and the rotary shaft and the rotary roller can rotate relatively, so that the rotating friction force is reduced. When the rotating rollers rotate, the supporting rails arranged between every two adjacent rotating rollers can support the rotating rollers to avoid the deformation of the rotating rollers, and the rotating rollers are externally tangent to the supporting rollers and only in line contact with the supporting rollers, so that the rotating friction force of the rotating rollers is reduced. The rolling bearing sets up and is holding the intracavity, and damping spring between the bottom surface can support rolling bearing under rolling bearing lower extreme and holding the chamber, and when the lathe acted on work platform with gravity, damping spring can cushion rolling bearing, and then cushioned to the rotor, avoids rotor and rolling bearing pressurized deformation. When the rotating bearing, the rotating roller and the damping spring are installed, the rotating roller is firstly sleeved on the rotating shaft, then the rotating bearing is installed at two ends of the rotating shaft, then one end of the damping spring is fixed on the outer wall of the rotating bearing, the rotating roller vertical guide groove connected with the damping spring is fixed between two adjacent supporting rails, and the rotating roller is externally tangent to the supporting rails at two sides. Then the limiting inclined plane of the guide block is downwards clamped on the side wall of the guide groove, the guide block compresses the rotating bearing and compresses the damping spring, and the section of the guide groove is in a triangle shape. Utilize the guide block to confirm the final shape of guide way cross-section, make the guide way have to the protruding function of spacing from top to bottom of direction, meanwhile, can be convenient for change roller, rolling bearing and damping spring's installation, reduce the assembly degree of difficulty, be convenient for production, reduction in production cost. When the guide bulge slides along the guide inclined plane, the friction force generated during sliding can be reduced, the operation difficulty is reduced, and the adjustment precision is improved.

As preferred, work platform under the terminal surface be provided with the support bar of direction inclined plane contact, the support bar is on a parallel with the extending direction setting on direction inclined plane, the support bar include with the contact site of direction inclined plane contact and with the fixed part that work platform is fixed, the contact site section is semi-circular, the arcwall face and the direction inclined plane contact of contact site, work platform under the terminal surface be provided with fixed part matched with fixed slot, the fixed slot section is big-end-up's triangle-shaped, the fixed part shape cooperatees with the fixed slot, one side middle part that the contact site was kept away from to the fixed part is provided with the breach. The terminal surface is provided with the support bar under the work platform, and work platform passes through support bar and direction inclined plane contact, and the contact site section semicircular in shape of support bar is the line contact when contact site and the contact of direction inclined plane promptly, and the extending direction of the line of contact is work platform's slip direction promptly moreover, has reduced the frictional force between work platform and the direction inclined plane. Meanwhile, the support bar can enable the working platform to be spaced from the guide inclined plane, and when the machine tool transmits the self gravity to the working platform, the support bar can support the working platform, so that the guide inclined plane is prevented from being subjected to overlarge pressure. The lower end face of the working platform is provided with a fixing groove matched with the fixing part, the section of the fixing groove is triangular with a large upper part and a small lower part, the shape of the fixing part is matched with the fixing groove, the middle part of one side of the fixing part, which is far away from the contact part, is provided with a gap groove with a triangular section, namely the gap groove divides the fixing part into a left part and a right part, when the fixing part is installed, the parts at two sides of the gap groove of the fixing part can be concentrated together by pressure and then inserted into the fixing groove, after the fixing part is inserted into the fixing groove, the fixing part is restored by self resilience force, two ends of the fixing part after being restored are attached to the side wall of the fixing groove, the section shape of the fixing groove can limit the fixing part and avoid the separation of the supporting bar from the working platform, the connection strength is increased. When the support bar need be changed and the clearance, when only needing to dismantle the contact site orientation of support bar one side of keeping away from work platform, the fixed slot can be spacing to the fixed part, makes spacing portion more comprehensive and fixed slot contact and produce pressure each other, has further increased the joint strength of fixed part and fixed slot.

Preferably, the contact portion middle part be provided with the hand-hole along the extending direction of contact portion, the location steel wire is worn to be equipped with in hand-hole department, the location steel wire penetrates by the hand-hole and is worn out and twine a plurality of circles by the arcwall face again. The contact site middle part sets up the trompil along the extending direction of contact site, and the trompil is through the shaping of trompil technology preparation, and the location steel wire is worn to establish by the trompil department to the trompil department, and the location steel wire penetrates by the trompil, is worn out the back and is again by a plurality of rings of arcwall face winding, makes in the trompil and the cambered surface outward all twines the location steel wire. At this moment, when the contact site contacted with the direction inclined plane, the location steel wire can be located the side of line contact's contact line, and is spacing to the contact site, avoids the contact site slope, causes the fixed part to be stressed in the fixed slot and is out of shape and lead to the fracture.

Preferably, the number of turns of the positioning wire on both sides of the contact point of the contact portion and the guide slope is the same. The contact part is ensured to be the same as the positioning steel wires on the two sides of the contact line in line contact with the guide inclined plane, namely, the supporting and limiting external force of the positioning steel wires on the parts of the contact part on the two sides of the line contact is uniform.

Therefore, the roughness contourgraph provided by the invention has the following advantages: in the process of sliding adjustment of the working platform, the guide groove can limit and guide the sliding of the working platform, the working platform is prevented from inclining towards two sides to cause the sliding of a machine tool, the contact of the working platform and the guide inclined plane is avoided by utilizing the contact of the guide protrusion and the guide groove, the contact area is reduced, the friction force is reduced, and the working platform is convenient to move.

Drawings

FIG. 1 is a schematic diagram of the present invention;

FIG. 2 is a cross-sectional view of the present invention at the guide groove;

FIG. 3 is a cross-sectional view of FIG. 2;

fig. 4 is an enlarged partial cross-sectional view of the support bar.

Illustration of the drawings: 1-base, 2-upright post, 3-measuring device, 4-working platform, 13-guide groove, 14-guide block, 15-roller, 16-rotating shaft, 17-rotating bearing, 18-damping spring, 19-support rail, 20-guide projection, 21-support strip, 22-limit arc, 23-fixed groove, 24-contact part, 25-fixed part, 26-notch groove, 27-pull hole and 28-positioning steel wire.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example 1: as shown in fig. 1, 2, 3 and 4, the roughness profiler comprises a base 1 and a vertical column 2 perpendicular to the base, wherein the vertical column is connected with a measuring device 3 in a sliding manner, the base is connected with a working platform 4 in a sliding manner, the base is provided with a guide groove 13, and the working platform is provided with a guide bulge 20 connected with the guide groove in a sliding manner. The interval is provided with commentaries on classics roller 15 in the guide way, the axis direction perpendicular to of commentaries on classics roller leads bellied slip direction, it is provided with support rail 19 to lie in between arbitrary two adjacent commentaries on classics rollers on the bottom surface of guide way, the section that supports the rail is the arc, it is tangent with adjacent commentaries on classics roller to support the rail, the axis department of commentaries on classics roller rotates and is connected with pivot 16, the both ends of pivot link to each other with the lateral wall of guide way through rolling bearing 17, be provided with on the lateral wall of guide way and hold the chamber, rolling bearing is located and holds the intracavity, rolling bearing lower extreme and hold and be provided with damping spring 18 between the chamber lower floor, the joint has guide block 14 on two lateral walls of guide way, the guide block section is right trapezoid, the upper surface and the direction inclined plane of guide block are located the coplanar, the guide block lower surface is spacing inclined plane, the guide block is close. The terminal surface is provided with the support bar 21 with the contact of direction inclined plane under the work platform, the support bar is on a parallel with the extending direction setting on direction inclined plane, the support bar include with the contact site 24 of direction inclined plane contact and with work platform fixed part 25, the contact site section is semi-circular, the arcwall face and the direction inclined plane contact of contact site, the terminal surface is provided with fixed part matched with fixed slot 23 under the work platform, the fixed slot section is big-end-up's triangle-shaped, the fixed part shape cooperatees with the fixed slot, one side middle part that the contact site was kept away from to the fixed part is provided with the breach groove. The contact site middle part is provided with the trompil 27 along the extending direction of contact site, and the trompil department wears to be equipped with location steel wire 28, and location steel wire penetrates by the trompil and wears out and twine a plurality of circles by the arcwall face again. The contact part and the positioning steel wire on both sides of the contact point of the guide inclined plane have the same number of turns.

The rotary roller is arranged in the guide groove and is rotationally connected with the rotary shaft at the axis, the two ends of the rotary shaft are provided with the rotating bearings, the rotary shaft is rotationally connected with the rotating bearings, namely the rotating bearings are kept static, and the rotary shaft and the rotary roller can rotate relatively, so that the rotating friction force is reduced. When the rotating rollers rotate, the supporting rails arranged between every two adjacent rotating rollers can support the rotating rollers to avoid the deformation of the rotating rollers, and the rotating rollers are externally tangent to the supporting rollers and only in line contact with the supporting rollers, so that the rotating friction force of the rotating rollers is reduced. The rolling bearing sets up and is holding the intracavity, and damping spring between the bottom surface can support rolling bearing under rolling bearing lower extreme and holding the chamber, and when the lathe acted on work platform with gravity, damping spring can cushion rolling bearing, and then cushioned to the rotor, avoids rotor and rolling bearing pressurized deformation. When the rotating bearing, the rotating roller and the damping spring are installed, the rotating roller is firstly sleeved on the rotating shaft, then the rotating bearing is installed at two ends of the rotating shaft, then one end of the damping spring is fixed on the outer wall of the rotating bearing, the rotating roller vertical guide groove connected with the damping spring is fixed between two adjacent supporting rails, and the rotating roller is externally tangent to the supporting rails at two sides. Then the limiting inclined plane of the guide block is downwards clamped on the side wall of the guide groove, the guide block compresses the rotating bearing and compresses the damping spring, and the section of the guide groove is in a triangle shape. Utilize the guide block to confirm the final shape of guide way cross-section, make the guide way have to the protruding function of spacing from top to bottom of direction, meanwhile, can be convenient for change roller, rolling bearing and damping spring's installation, reduce the assembly degree of difficulty, be convenient for production, reduction in production cost. When the guide bulge slides along the guide inclined plane, the friction force generated during sliding can be reduced, the operation difficulty is reduced, and the adjustment precision is improved. The terminal surface is provided with the support bar under the work platform, and work platform passes through support bar and direction inclined plane contact, and the contact site section semicircular in shape of support bar is the line contact when contact site and the contact of direction inclined plane promptly, and the extending direction of the line of contact is work platform's slip direction promptly moreover, has reduced the frictional force between work platform and the direction inclined plane. Meanwhile, the support bar can enable the working platform to be spaced from the guide inclined plane, and when the machine tool transmits the self gravity to the working platform, the support bar can support the working platform, so that the guide inclined plane is prevented from being subjected to overlarge pressure. The lower end face of the working platform is provided with a fixing groove matched with the fixing part, the section of the fixing groove is triangular with a large upper part and a small lower part, the shape of the fixing part is matched with the fixing groove, the middle part of one side of the fixing part, which is far away from the contact part, is provided with a gap groove with a triangular section, namely the gap groove divides the fixing part into a left part and a right part, when the fixing part is installed, the parts at two sides of the gap groove of the fixing part can be concentrated together by pressure and then inserted into the fixing groove, after the fixing part is inserted into the fixing groove, the fixing part is restored by self resilience force, two ends of the fixing part after being restored are attached to the side wall of the fixing groove, the section shape of the fixing groove can limit the fixing part and avoid the separation of the supporting bar from the working platform, the connection strength is increased. When the support bar need be changed and the clearance, when only needing to dismantle the contact site orientation of support bar one side of keeping away from work platform, the fixed slot can be spacing to the fixed part, makes spacing portion more comprehensive and fixed slot contact and produce pressure each other, has further increased the joint strength of fixed part and fixed slot. The contact site middle part sets up the trompil along the extending direction of contact site, and the trompil is through the shaping of trompil technology preparation, and the location steel wire is worn to establish by the trompil department to the trompil department, and the location steel wire penetrates by the trompil, is worn out the back and is again by a plurality of rings of arcwall face winding, makes in the trompil and the cambered surface outward all twines the location steel wire. At this moment, when the contact site contacted with the direction inclined plane, the location steel wire can be located the side of line contact's contact line, and is spacing to the contact site, avoids the contact site slope, causes the fixed part to be stressed in the fixed slot and is out of shape and lead to the fracture. The contact part is ensured to be the same as the positioning steel wires on the two sides of the contact line in line contact with the guide inclined plane, namely, the supporting and limiting external force of the positioning steel wires on the parts of the contact part on the two sides of the line contact is uniform.

It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

Claims

1. A roughness contourgraph is characterized by comprising a base and an upright column perpendicular to the base, wherein the upright column is connected with a measuring device in a sliding manner, the base is connected with a working platform in a sliding manner, a guide groove is formed in the base, a guide bulge in sliding connection with the guide groove is arranged on the working platform, rotating rollers are arranged at intervals in the guide groove, the axis direction of each rotating roller is perpendicular to the sliding direction of the guide bulge, a support rail is arranged between any two adjacent rotating rollers on the bottom surface of the guide groove, the section of each support rail is arc-shaped and is tangent to the adjacent rotating roller, a rotating shaft is rotatably connected with the axis of each rotating roller, two ends of each rotating shaft are connected with the side wall of the guide groove through rotating bearings, a containing cavity is formed in the side wall of the guide groove, each rotating bearing is arranged in the containing cavity, a damping spring is arranged between the lower end of each rotating bearing and the lower bottom surface of the, the guide block section is right trapezoid, and the upper surface and the direction inclined plane of guide block are located the coplanar, and the guide block lower surface is spacing inclined plane, and the guide block is close to the bellied one side of direction and is provided with spacing arc, and the minimum distance of two spacing arcs cooperatees with the bellied width of direction.

2. The roughness profiler as claimed in claim 1, wherein the lower end face of the working platform is provided with a support bar contacting with the guide slope, the support bar is arranged parallel to the extending direction of the guide slope, the support bar comprises a contact portion contacting with the guide slope and a fixing portion fixing with the working platform, the cross section of the contact portion is semicircular, the arc-shaped face of the contact portion contacts with the guide slope, the lower end face of the working platform is provided with a fixing groove matching with the fixing portion, the cross section of the fixing groove is triangular, the shape of the fixing portion matches with the shape of the fixing groove, and a notch groove with a triangular cross section is arranged in the middle of one side of the fixing portion away from the contact portion.

3. The roughness profiler as claimed in claim 2, wherein the contact portion has a pull hole in the middle along the extending direction of the contact portion, and a positioning steel wire is threaded through the pull hole, threaded through the arc surface, and wound several turns.

4. A roughness profiler as claimed in claim 3, wherein the number of turns of the positioning wire on both sides of the contact point of the contact portion and the guide slope is the same.

5. The roughness profiler as claimed in claim 1 or 2, wherein the working platform has a positioning cavity with an opening at the upper end in the middle, a positioning block is fixedly arranged in the positioning cavity, and the adjusting rod penetrates through the positioning block and is in threaded connection with the positioning block.

6. A method for assembling a roughness profiler as claimed in any one of claims 1 to 5, wherein step 1) the pre-produced support rails are welded at intervals at the bottom of the guide groove so that the distance between two adjacent support rails can be circumscribed with the rotating roller; step 2) sleeving the rotating rollers on the rotating shaft, installing the rotating bearings at two ends of the rotating shaft, fixing one end of the damping spring on the outer wall of the rotating bearing, fixing the rotating roller vertical guide groove connected with the damping spring between two adjacent supporting rails and externally cutting the rotating rollers from the supporting rails at two sides; step 3) downwards clamping a limiting inclined plane of the guide block on the side wall of the guide groove, pressing the rotating bearing and compressing the damping spring by the guide block to enable the section of the guide groove to be triangular, and sliding a guide bulge of the working platform into the guide groove from one end of the guide groove far away from the baffle; and 4) inserting one end, far away from the adjusting swivel, of the adjusting rod into the working platform, connecting the end of the adjusting rod to the positioning block in a threaded manner, clamping the adjusting rod in the clamping groove from the upper end of the clamping groove, enabling the limiting plate and the positioning block to be located on two sides of the baffle respectively, and tightly pushing the limiting plate against the baffle through the pre-tightening spring to complete assembly.