CN109945020B

CN109945020B - Adjusting sizing block for machine tool and assembling method thereof

Info

Publication number: CN109945020B
Application number: CN201711391387.8A
Authority: CN
Inventors: 陈向磊; 冯娇娇
Original assignee: Zhejiang Times Measure Technology Co ltd
Current assignee: Yanshan Yahui Pipe Industry Co ltd
Priority date: 2017-12-21
Filing date: 2017-12-21
Publication date: 2021-04-06
Anticipated expiration: 2037-12-21
Also published as: CN109945020A

Abstract

The invention relates to metering equipment, in particular to an adjusting sizing block for a machine tool and an assembling method thereof. Adjustment parallels for lathe, including base and cushion, the vertical baffle that is provided with in one side of base, the baffle is improved level and is run through the regulation pole, adjusts pole and cushion threaded connection, the base on be provided with the direction slip table, direction slip table up end slope is provided with the direction inclined plane, the cushion is located the direction inclined plane, the cover is equipped with fixed separation blade and spacing separation blade on adjusting the pole, fixed separation blade and spacing separation blade are located the both sides of baffle respectively, be provided with the guide way on the direction inclined plane, be provided with on the cushion with guide way sliding connection's direction arch. The invention has the advantages of effectively improving the sliding precision, reducing the friction force during adjustment, being convenient to assemble, being convenient to overhaul and maintain, effectively saving the processing cost while ensuring the high precision, and the like.

Description

Adjusting sizing block for machine tool and assembling method thereof

Technical Field

The invention relates to metering equipment, in particular to an adjusting sizing block for a machine tool and an assembling method thereof.

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 cushion block 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 cushion block and the guide inclined plane, the cushion block 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 an adjusting sizing block for a machine tool and an assembling method thereof, wherein the adjusting sizing block 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: an adjusting sizing block for a machine tool comprises a base and a cushion block, wherein a baffle is vertically arranged on one side of the base, a horizontal penetrating adjusting rod is arranged on the baffle, the adjusting rod is in threaded connection with the cushion block, a guide sliding table is arranged on the base, a guide inclined plane is obliquely arranged on the upper end surface of the guide sliding table, the cushion block is arranged on the guide inclined plane, a fixed blocking piece and a limiting blocking piece are sleeved on the adjusting rod, the fixed blocking piece and the limiting blocking piece are respectively arranged on two sides of the baffle, a clamping groove with an upper end opening is arranged on the baffle, the adjusting rod penetrates through the clamping groove, the fixed blocking piece is fixedly connected with the adjusting rod, the limiting blocking piece is in sliding connection with the adjusting rod, the fixed blocking piece is arranged on one side of the baffle close to the cushion block, the limiting blocking piece is, the guide inclined plane is provided with a guide groove, and the cushion block is provided with a guide bulge in sliding connection with the guide groove. Set up the direction slip table on the base, set up the direction inclined plane on the direction slip table, set up the direction arch on the cushion, direction inclined plane department sets up the guide way, and the direction arch on the cushion slides along the guide way, and the guide way can be spacing to the bellied both sides of direction, to the slip direction of cushion, guarantees that the cushion can slide along the guide way on the direction inclined plane. The adjusting rod is rotated, and the baffle can limit the axis direction of the adjusting rod, so that the adjusting rod drives the cushion block in threaded connection with the adjusting rod to move in the rotating process. When the corner position of lathe is crossed lowly, can rotate the regulation pole and make the cushion slide along the direction inclined plane slant, increase the distance between lathe and the ground, and then improve the height of lathe corner, make this corner and other corners be located same horizontal plane. Similarly, when the corner position of the machine tool is too high, the cushion block can move downwards along the guide inclined plane by rotating the adjusting rod, and the height of the corner of the machine tool is reduced. In the process of sliding adjustment up and down the cushion block, the guide groove can limit and guide the sliding of the cushion block, the cushion block is prevented from inclining towards two sides to cause the sliding of the machine tool, and the cushion block is prevented from contacting with the guide inclined plane by utilizing the contact of the guide protrusion and the guide groove, so that the contact area is reduced, the friction force is reduced, and the cushion block can be conveniently moved. Adjust the pole and pass through the upper end open-ended draw-in groove through baffle, at this moment, fixed catch is located one side that the baffle is close to the cushion, spacing catch is located one side that the cushion was kept away from to the baffle, spacing catch passes through the pretension spring roof pressure on the baffle and presss from both sides tight baffle with fixed catch cooperation, when the cushion slides along the direction inclined plane, the axis of adjusting the pole slopes gradually, at this moment, with the slope of adjusting pole axis vertically fixed catch, utilize the pretension spring to push up spacing catch, increase the clamp force between spacing catch and the fixed catch, avoid because the clearance is too big between spacing catch and fixed catch and the baffle, slope at the pole axis and cause the regulation precision to.

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 the chamber of holding, and when the lathe acted on the cushion with gravity, damping spring can cushion rolling bearing, and then cushioned the commentaries on classics roller, avoids changeing roller 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, the cushion under the terminal surface be provided with the support bar with 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 the cushion is fixed, 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 the fixed slot with fixed part matched with under the cushion, 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. The lower end face of the cushion block is provided with a supporting strip, the cushion block is in contact with the guide inclined plane through the supporting strip, the section of a contact part of the supporting strip is semicircular, namely, the contact part is in line contact with the guide inclined plane, the extending direction of a line in contact is the sliding direction of the cushion block, and the friction force between the cushion block and the guide inclined plane is reduced. Meanwhile, the supporting strips can enable the cushion blocks to be spaced from the guide inclined planes, and when the machine tool transmits the self gravity to the cushion blocks, the supporting strips can support the cushion blocks, so that the guide inclined planes are prevented from being subjected to overlarge pressure. The lower end face of the cushion block is provided with a fixing groove matched with the fixing part, the section of the fixing groove is in a triangle shape 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 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 the cushion, 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.

Preferably, the middle of the cushion block is provided with a positioning cavity with an opening at the upper end, 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. The adjusting rod is in threaded connection with the cushion block through the positioning block, when the adjusting rod is adjusted in a rotating mode, the positioning block serves as a main part for bearing external force, and the cushion block slides by means of matching of the positioning block and the adjusting rod. Because lathe weight is great, in the accommodation process, the internal and external screw thread between regulation pole and the locating piece causes wearing and tearing easily, only needs to change the locating piece and can guarantee the use of whole adjustment parallels, need not to change the cushion, reduces the maintenance cost.

An assembly method of the adjusting sizing block for the machine tool comprises the following steps of 1) welding pre-produced support rails at the groove bottom of a guide groove at intervals, so that the distance between every two adjacent support rails can be circumscribed with a 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 cushion block into the guide groove from one end of the guide groove far away from the baffle; and 4) inserting one end of the adjusting rod, which is far away from the adjusting rotary head, into the cushion block and connecting 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 blocking piece and the fixed blocking piece to be located on two sides of the baffle respectively, and tightly pushing the limiting blocking piece on the baffle by the pre-tightening spring to complete assembly.

Therefore, the adjusting sizing block for the machine tool and the assembling method thereof have the following advantages: in the process of sliding adjustment up and down the cushion block, the guide groove can limit and guide the sliding of the cushion block, the cushion block is prevented from inclining towards two sides to cause the sliding of the machine tool, and the cushion block is prevented from contacting with the guide inclined plane by utilizing the contact of the guide protrusion and the guide groove, so that the contact area is reduced, the friction force is reduced, and the cushion block can be conveniently moved.

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-guide sliding table, 3-guide inclined plane, 4-baffle, 5-cushion block, 6-adjusting rod, 7-positioning cavity, 8-positioning block, 9-limit block, 10-fixed block, 11-adjusting rotary head, 12-pre-tightening spring, 13-guide groove, 14-guide block, 15-rotary roller, 16-rotary shaft, 17-rotary bearing, 18-damping spring, 19-support rail, 20-guide bulge, 21-support bar, 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 figures 1, 2, 3 and 4, an adjusting sizing block for a machine tool comprises a base 1 and a cushion block 5, a baffle 4 is vertically arranged on one side of the base, a regulating rod 6 is horizontally penetrated on the baffle, the regulating rod is in threaded connection with the cushion block, a guide sliding table 2 is arranged on the base, a guide inclined plane 3 is obliquely arranged on the upper end surface of the guide sliding table, the cushion block is positioned on the guide inclined plane, a fixed blocking piece 10 and a limiting blocking piece 9 are sleeved on the regulating rod, the fixed blocking piece and the limiting blocking piece are respectively positioned on two sides of the baffle, a clamping groove with an opening at the upper end is arranged on the baffle, the regulating rod penetrates through the clamping groove, the fixed blocking piece is fixedly connected with the regulating rod, the limiting blocking piece is in sliding connection with the regulating rod, the fixed blocking piece is positioned on one side of the, the pre-tightening spring is positioned between the adjusting rotary head and the limiting blocking piece, a guide groove 13 is formed in the guide inclined plane, and a guide protrusion 20 in sliding connection with the guide groove is arranged on the cushion block. 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 support bar 21 with the contact of direction inclined plane under the cushion, the support bar is on a parallel with the extending direction setting on direction inclined plane, the support bar includes contact site 24 with the contact of direction inclined plane and the fixed part 25 fixed with the cushion, the contact site section is semi-circular, the arcwall face and the contact of direction inclined plane of contact site, the terminal surface is provided with fixed part matched with fixed slot 23 under the cushion, 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 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 middle part of the cushion block is provided with a positioning cavity 7 with an opening at the upper end, a positioning block 8 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.

Set up the direction slip table on the base, set up the direction inclined plane on the direction slip table, set up the direction arch on the cushion, direction inclined plane department sets up the guide way, and the direction arch on the cushion slides along the guide way, and the guide way can be spacing to the bellied both sides of direction, to the slip direction of cushion, guarantees that the cushion can slide along the guide way on the direction inclined plane. The adjusting rod is rotated, and the baffle can limit the axis direction of the adjusting rod, so that the adjusting rod drives the cushion block in threaded connection with the adjusting rod to move in the rotating process. When the corner position of lathe is crossed lowly, can rotate the regulation pole and make the cushion slide along the direction inclined plane slant, increase the distance between lathe and the ground, and then improve the height of lathe corner, make this corner and other corners be located same horizontal plane. Similarly, when the corner position of the machine tool is too high, the cushion block can move downwards along the guide inclined plane by rotating the adjusting rod, and the height of the corner of the machine tool is reduced. In the process of sliding adjustment up and down the cushion block, the guide groove can limit and guide the sliding of the cushion block, the cushion block is prevented from inclining towards two sides to cause the sliding of the machine tool, and the cushion block is prevented from contacting with the guide inclined plane by utilizing the contact of the guide protrusion and the guide groove, so that the contact area is reduced, the friction force is reduced, and the cushion block can be conveniently moved. Adjust the pole and pass through the upper end open-ended draw-in groove through baffle, at this moment, fixed catch is located one side that the baffle is close to the cushion, spacing catch is located one side that the cushion was kept away from to the baffle, spacing catch passes through the pretension spring roof pressure on the baffle and presss from both sides tight baffle with fixed catch cooperation, when the cushion slides along the direction inclined plane, the axis of adjusting the pole slopes gradually, at this moment, with the slope of adjusting pole axis vertically fixed catch, utilize the pretension spring to push up spacing catch, increase the clamp force between spacing catch and the fixed catch, avoid because the clearance is too big between spacing catch and fixed catch and the baffle, slope at the pole axis and cause the regulation precision to. 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 the chamber of holding, and when the lathe acted on the cushion with gravity, damping spring can cushion rolling bearing, and then cushioned the commentaries on classics roller, avoids changeing roller 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 lower end face of the cushion block is provided with a supporting strip, the cushion block is in contact with the guide inclined plane through the supporting strip, the section of a contact part of the supporting strip is semicircular, namely, the contact part is in line contact with the guide inclined plane, the extending direction of a line in contact is the sliding direction of the cushion block, and the friction force between the cushion block and the guide inclined plane is reduced. Meanwhile, the supporting strips can enable the cushion blocks to be spaced from the guide inclined planes, and when the machine tool transmits the self gravity to the cushion blocks, the supporting strips can support the cushion blocks, so that the guide inclined planes are prevented from being subjected to overlarge pressure. The lower end face of the cushion block is provided with a fixing groove matched with the fixing part, the section of the fixing groove is in a triangle shape 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 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 the cushion, 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.

Preferably, the middle of the cushion block is provided with a positioning cavity with an opening at the upper end, an adjusting rod is fixedly arranged in the positioning cavity and is in threaded connection with the cushion block through a positioning block, and when the adjusting rod is adjusted in a rotating mode, the positioning block serves as a main component for bearing external force, and the cushion block slides by means of matching of the positioning block and the adjusting rod. Because lathe weight is great, in the accommodation process, the internal and external screw thread between regulation pole and the locating piece causes wearing and tearing easily, only needs to change the locating piece and can guarantee the use of whole adjustment parallels, need not to change the cushion, reduces the maintenance cost.

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. An adjusting sizing block for a machine tool comprises a base and a cushion block, wherein a baffle is vertically arranged on one side of the base, a horizontal penetrating adjusting rod is arranged on the baffle, the adjusting rod is in threaded connection with the cushion block, the adjusting sizing block is characterized in that a guide sliding table is arranged on the base, a guide inclined plane is obliquely arranged on the upper end surface of the guide sliding table, the cushion block is arranged on the guide inclined plane, a fixed blocking piece and a limiting blocking piece are sleeved on the adjusting rod, the fixed blocking piece and the limiting blocking piece are respectively arranged on two sides of the baffle, a clamping groove with an upper end opened is arranged on the baffle, the adjusting rod penetrates through the clamping groove, the fixed blocking piece is fixedly connected with the adjusting rod, the limiting blocking piece is in sliding connection with the adjusting rod, the fixed blocking piece is arranged on one side of the baffle close to the cushion block, an, the guide slope is provided with a guide groove, the cushion block is provided with guide bulges in sliding connection with the guide groove, the guide groove is internally provided with rotating rollers at intervals, the axial direction of each rotating roller is perpendicular to the sliding direction of the guide bulges, the bottom surface of the guide groove is provided with a support rail between any two adjacent rotating rollers, the section of each support rail is arc-shaped and tangent to the adjacent rotating rollers, the axial position 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, the side wall of the guide groove is provided with a containing cavity, each rotating bearing is positioned 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, the two side walls of the guide groove are clamped with guide blocks, the section of each guide block is in a right trapezoid shape, the upper surface of each guide block and the guide slope, the guide block is close to the bellied one side of direction and is provided with spacing arc, the minimum distance of two spacing arcs cooperatees with the bellied width of direction, the cushion 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 the cushion is fixed, the contact site section semicircular in shape, the arcwall face and the direction inclined plane contact of contact site, the terminal surface is provided with the fixed slot with fixed part matched with under the cushion, 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.

2. The adjusting sizing block for the machine tool according to claim 1, wherein a drawing hole is formed in the middle of the contact part along the extending direction of the contact part, a positioning steel wire penetrates through the drawing hole, penetrates out of the arc-shaped surface and is wound by a plurality of circles.

3. The setting shim for machine tools of claim 2, 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.

4. The adjusting sizing block for the machine tool according to claim 1, 2 or 3, wherein a positioning cavity with an opening at the upper end is arranged in the middle of the sizing block, 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.

5. A method for assembling the adjusting sizing block for the machine tool according to any one of claims 1 to 4, characterized in that step 1) 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 cushion block into the guide groove from one end of the guide groove far away from the baffle; and 4) inserting one end of the adjusting rod, which is far away from the adjusting rotary head, into the cushion block and connecting 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 blocking piece and the fixed blocking piece to be located on two sides of the baffle respectively, and tightly pushing the limiting blocking piece on the baffle by the pre-tightening spring to complete assembly.