CN109277966B - Scraper blade error correction frock - Google Patents
Scraper blade error correction frock Download PDFInfo
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- CN109277966B CN109277966B CN201811428973.XA CN201811428973A CN109277966B CN 109277966 B CN109277966 B CN 109277966B CN 201811428973 A CN201811428973 A CN 201811428973A CN 109277966 B CN109277966 B CN 109277966B
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- Prior art keywords
- base
- block
- dial indicator
- pressing
- scraper
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- 238000012937 correction Methods 0.000 title claims abstract description 22
- 238000007790 scraping Methods 0.000 claims description 39
- 238000000926 separation method Methods 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 49
- 229910002804 graphite Inorganic materials 0.000 abstract description 49
- 239000010439 graphite Substances 0.000 abstract description 49
- 238000000034 method Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 description 10
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a scraper error correction tool which comprises a scraper positioning assembly, a base, at least one dial indicator fixed block and at least one dial indicator, wherein the scraper positioning assembly is connected with the base, the scraper positioning assembly is provided with at least one groove for accommodating an outside micrometer anvil or a micrometer screw, the dial indicator fixed block is rotationally connected or slidingly connected with the base, the dial indicator is arranged in a one-to-one correspondence manner with the dial indicator fixed block and penetrates through the dial indicator fixed block, the groove is arranged in a one-to-one correspondence manner with the dial indicator, and the dial indicator is contacted with or separated from the scraper along with the change of the relative position of the dial indicator fixed block and the base. The scraper error correction tool can avoid repeated loading and unloading in the process of adjusting the scraper, and accurately measure and adjust the distance between two end surfaces of the graphite scraper. The scraper error correction tool can improve the efficiency of scraper error correction.
Description
Technical Field
The invention relates to the field of tool clamps, in particular to a scraper error correction tool.
Background
A graphite scraper meter is a type of volumetric meter that creates a pressure differential between the inlet and outlet of the meter as the fluid being measured flows from the inlet to the meter, which pushes the scraper and rotor to rotate. The fluid is discharged in a certain amount for each rotation of the rotor, and the instantaneous flow and the accumulated flow are obtained by calculating the rotation times of the rotor.
The graphite scraper rotor rotates in the cavity of the flowmeter, and a small gap is formed between the end face of the graphite scraper and the inner wall of the cavity. If the gap is too small, the graphite scraping plate and the inner wall of the cavity can be scratched, and if the gap is too large, the counter cannot count normally when the scraping plate rotates. Therefore, the two end faces of the graphite scraping plate matched with the inner wall of the cavity are high in machining precision and high in parallelism requirement. The graphite scraper blade can wear in the use, causes the shape and position error to increase, consequently need overhaul and maintain, adjusts the distance between the graphite scraper blade both ends face.
The scraper tool in the prior art is only used for fixing the graphite scraper, and the graphite scraper is adjusted by firstly, installing the graphite scraper on the scraper tool when adjusting, and rotating an adjusting nut of the scraper to adjust the distance between the upper end surface and the lower end surface of the scraper; then, taking down the graphite scraping plate, and measuring the distance and the parallelism of the upper end face and the lower end face of the scraping plate by using an outside micrometer; the first two steps are repeated until the distance and parallelism between the two end surfaces of the scraping plate reach the requirements. The graphite scraper needs to be continuously disassembled and measured in the adjustment process, and is complex in operation and low in efficiency. Therefore, how to provide a tool for correcting the error of the scraping plate is a problem that needs to be solved by the person skilled in the art.
Disclosure of Invention
The invention aims to solve the technical problem of providing a tool convenient for correcting a scraping plate error.
The technical scheme for solving the technical problems is as follows: the utility model provides a scraper blade error correction frock, includes scraper blade locating component, base, at least one percentage table fixed block and at least one percentage table, scraper blade locating component with the base is connected, scraper blade locating component has at least one recess that is used for holding outside micrometer anvil or micrometer screw, the percentage table fixed block with the base rotates to be connected or sliding connection, the percentage table with the percentage table fixed block one-to-one sets up and wears to establish in the percentage table fixed block, the recess with the percentage table one-to-one sets up, the percentage table along with the percentage table fixed block with base relative position's change and scraper blade contact or separation.
The beneficial effects of the invention are as follows: the scraper positioning assembly is used for fixing and positioning the graphite scraper, fixing the graphite scraper to the scraper error correction tool disclosed by the invention, zeroing the dial indicator, and then accurately adjusting the distance between the upper end face and the lower end face of the graphite scraper according to the indication number of the dial indicator. And the accuracy of graphite scraper adjustment can be met by adopting dial indicator measurement and auxiliary adjustment. The outside micrometer can be directly clamped on the upper end face and the lower end face of the graphite scraper after the dial indicator fixing block is turned away, the distance between the two end faces of the graphite scraper is measured, and the graphite scraper is not required to be detached from the tool and then measured. The step of graphite scraper error adjustment is saved, and the working efficiency is improved.
Specifically, when the dial indicator is used for measurement, the dial indicator is perpendicular to the end face of the scraping plate.
Specifically, the grooves and the dial indicator fixing blocks are arranged in a one-to-one correspondence manner.
Specifically, the number of the dial indicator fixing blocks, the dial indicators and the grooves can be one or two or more.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the dial indicator fixing block comprises at least one dial indicator fixing block rotating shaft, the dial indicator fixing block rotating shaft is horizontally or vertically arranged and fixedly connected with the base, through holes which are arranged in one-to-one correspondence with the dial indicator fixing block rotating shafts and are sleeved on the outer sides of the dial indicator fixing block rotating shafts are formed in the dial indicator fixing blocks, and the dial indicator fixing blocks rotate around the dial indicator fixing block rotating shafts.
The beneficial effects of adopting the further scheme are as follows: the dial indicator is horizontally or vertically rotated along with the dial indicator fixing block relative to the base, and the dial indicator is convenient for an outside micrometer to directly measure the distance between the upper end face and the lower end face of the graphite scraper after being rotated.
Further, the dial indicator fixing device further comprises at least one fixing block locking rod, a fixing groove is formed in the base, the dial indicator fixing block is embedded in the fixing groove, at least one fixing hole is formed in the side wall of the fixing groove, the fixing holes are arranged in one-to-one correspondence with the dial indicator fixing blocks and are parallel to the rotating shafts of the dial indicator fixing blocks, and the fixing block locking rods are connected with the fixing holes in one-to-one correspondence and are in butt joint with the dial indicator fixing blocks.
The beneficial effects of adopting the further scheme are as follows: the fixed block locking rod locks the dial indicator fixed block in the scraper blade adjustment process, so that inaccurate measured values caused by shaking of the dial indicator are avoided.
Further, the locking positioning device further comprises at least one locking positioning rod, the base is provided with a sliding groove, the dial indicator fixing block is embedded in the sliding groove and slides relative to the sliding groove, the side wall of the sliding groove is provided with at least one positioning hole perpendicular to the sliding groove, the positioning holes are arranged in one-to-one correspondence with the dial indicator fixing blocks, and the locking positioning rods are connected with the positioning holes in one-to-one correspondence and are abutted to the dial indicator fixing blocks.
The beneficial effects of adopting the further scheme are as follows: the dial indicator fixed block is in sliding connection with the base, and the dial indicator fixed block is locked by the fixed block locking rod in the scraper blade adjusting process, so that inaccurate measured values caused by shaking of the dial indicator are avoided.
Further, the dial indicator locking screw is further included, the dial indicator fixing block is provided with a locking hole, the locking hole is perpendicular to the axis of the dial indicator, and the dial indicator locking screw is connected with the locking hole and is abutted to the measuring rod sleeve of the dial indicator.
The beneficial effects of adopting the further scheme are as follows: the dial indicator is locked by the dial indicator locking screw, so that the dial indicator does not shake in the scraper blade adjusting process, and the measuring accuracy is ensured.
Further, the scraper positioning assembly comprises a positioning block, a connecting rod positioning assembly and a compacting assembly, and the positioning block is connected with the lower part of the base; the connecting rod positioning assembly is connected with the middle part of the base and used for limiting the position of the connecting rod of the scraping plate; the pressing component is connected with the top wall of the upper portion of the base and used for limiting the scraping plate between the pressing component and the positioning block.
The beneficial effects of adopting the further scheme are as follows: the positioning block, the connecting rod positioning assembly and the compacting assembly are combined to realize the positioning and fixing of the graphite scraping plate, so that the graphite scraping plate can be conveniently adjusted.
Further, the connecting rod positioning assembly comprises a connecting rod pressing block and a pressing block base, the pressing block base is connected with the base, the connecting rod pressing block is detachably connected with the pressing block base, and a gap matched with the diameter of the scraper connecting rod is formed between the connecting rod pressing block and the pressing block base.
The beneficial effects of adopting the further scheme are as follows: the connecting rod of the graphite scraper is fixed between the connecting rod pressing block and the pressing block base, and the connecting rod pressing block is detachably connected with the pressing block base, so that the graphite scraper is convenient to detach and firm to fix.
Further, the connecting rod pressing block is provided with a through hole matched with the pressing block screw, and the pressing block screw penetrates through the connecting rod pressing block, the pressing block base and the pressing block nut in threaded connection.
The beneficial effects of adopting the further scheme are as follows: the pressing screw penetrates through the connecting rod pressing block and the pressing block base and is in threaded connection with the pressing block nut, the graphite scraping plate connecting rod is fixed between the connecting rod pressing block and the pressing block base, and a user can detach or fix the graphite scraping plate by rotating the pressing block nut, so that the graphite scraping plate pressing tool is convenient to use and firm in fixation.
Further, the compressing assembly comprises a compressing block and a spring, the base is provided with a compressing block hole, the compressing block is provided with an integrally formed vertical section and a horizontal section, the vertical section of the compressing block is sleeved in the compressing block hole, the bottom surface of the horizontal section is contacted with the end surface of the scraping plate, the spring is sleeved on the outer side of the vertical section, and two ends of the spring are respectively contacted with the top surface of the horizontal section and the base.
The beneficial effects of adopting the further scheme are as follows: the end face of the scraper blade is compressed by the compressing block under the action of the spring, so that the influence of the axial clearance of the adjusting nut is reduced, and the scraper blade is adjusted more accurately.
Further, the device also comprises a handle, wherein the handle is connected with the base.
The beneficial effects of adopting the further scheme are as follows: the tool for correcting the scraping plate error is convenient for a user to pick up or carry.
Drawings
FIG. 1 is a front view of a squeegee error correction tool of the present invention;
FIG. 2 is a right side view of a squeegee error correction tool of the present invention;
FIG. 3 is a bottom view of a squeegee error correction tool of the present invention;
FIG. 4 is a schematic three-dimensional view of a base and squeegee positioning assembly of the squeegee error correction tool of the present invention;
FIG. 5 is a schematic diagram of a graphite squeegee structure;
FIG. 6 is a front view of a blade error correction tool of the present invention after installation of a blade;
FIG. 7 is a front view of a blade error correction tool of the present invention after installation of a blade;
FIG. 8 is a right side view of a blade error correction tool of the present invention after installation of a blade;
FIG. 9 is a front view of a squeegee error correction tool according to the second embodiment of the invention;
fig. 10 is a right side view of a blade error correction tool according to a second embodiment of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. the positioning block, 2, the connecting rod briquetting, 3, the briquetting nut, 4, the compact heap, 5, the spring, 6, the dial indicator locking screw, 7, the dial indicator fixed block, 8, the dial indicator, 9, the fixed block locking lever, 10, the handle, 11, the base, 12, the briquetting base, 13, dial indicator fixed block pivot, 14, the recess, 15, the briquetting screw, 16, graphite scraper blade, 161, last scraper blade, 162, U-shaped round pin, 163, the compression spring, 1641, right adjusting nut, 1642, left adjusting nut, 1651, right connecting rod, 1652, left connecting rod, 166, lower scraper blade.
Detailed Description
The principles and features of the present invention are described below with examples given for the purpose of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 5, which illustrates a graphite blade 16 in a prior art flowmeter, an upper blade 161 and a lower blade 166 are connected by a left link 1652 and a right link 1651, each of which has a U-shaped pin 162 laterally secured at both ends and a hold-down spring 163 interposed between the U-shaped pin 162 and the upper blade 161 or the lower blade 166. When the graphite scraper 16 is operated in the flowmeter, the upper end surface of the upper scraper 161 and the lower end surface of the lower scraper 166 are close to the inner wall of the flowmeter cavity. The upper blade 161 and the lower blade 166 are made of graphite material, and wear occurs during operation, so that it is necessary to adjust the distance between the upper end surface of the upper blade 161 and the lower end surface of the lower blade 166 to ensure the normal operation of the flowmeter. The relative positions of the lower blade 166 and the two links are fixed, and the relative positions of the upper blade 161 and the left link 1652 and the right link 1651, that is, the distance between the upper end surface of the upper blade 161 and the lower end surface of the lower blade 166, are adjusted by rotating the left adjustment nut 1642 and the right adjustment nut 1641. The graphite scraper 16 and the flow meter cavity have high requirements on size and precision, and the auxiliary adjustment of the dial indicator and the outside micrometer is needed.
Example 1
As shown in fig. 1-8, a tool for correcting scratch board error comprises a scratch board positioning component, a base 11, two dial indicator fixing blocks 7 and two dial indicators 8, wherein the scratch board positioning component is connected with the base 11, the scratch board positioning component is provided with two grooves 14 for accommodating an outside micrometer anvil or a micrometer screw, the two dial indicator fixing blocks 7 are rotationally connected with the base 11, the two dial indicators 8 are arranged in one-to-one correspondence with the two dial indicator fixing blocks 7 and penetrate through the dial indicator fixing blocks 7, the grooves 14 are arranged in one-to-one correspondence with the dial indicators 8, and the dial indicators 8 are contacted with or separated from the scratch board along with the change of the relative positions of the dial indicator fixing blocks 7 and the base 11.
Specifically, as shown in fig. 1 to 8, the dial indicator fixing block 7 is provided with a through hole, and the dial indicator 8 is inserted into the through hole for fixing. The contacts of both dial indicators 8 are perpendicular to the upper end face of the graphite scraper 16.
Specifically, as shown in fig. 1 to fig. 4, two grooves 14 and two dial indicator fixing blocks 7 are disposed one above the other correspondingly. The groove 14 is located below the graphite scraper 16, the dial indicator 8 and the dial indicator fixing block 7 are located above the graphite scraper 16, the position of the dial indicator fixing block 7 when the graphite scraper 16 is adjusted is shown in fig. 6, and the position of the dial indicator fixing block 7 when the graphite scraper 16 is measured by an outside micrometer is shown in fig. 7.
As a further scheme of the embodiment, the dial indicator fixing block comprises two dial indicator fixing block rotating shafts 13, wherein the dial indicator fixing block rotating shafts 13 are horizontally or vertically arranged and fixedly connected with the base 11, through holes which are arranged in one-to-one correspondence with the dial indicator fixing block rotating shafts 13 and sleeved on the outer sides of the dial indicator fixing block rotating shafts 13 are formed in the dial indicator fixing blocks 7, and the dial indicator fixing blocks 7 rotate around the dial indicator fixing block rotating shafts 13.
Specifically, two dial indicator fixed blocks 7 are rotatably connected with the base 11 through dial indicator fixed block rotating shafts 13. The dial indicator fixing block 7 rotates up and down or horizontally around the dial indicator fixing block rotating shaft 13. In this embodiment, the dial indicator fixing block rotating shaft 13 is vertically disposed on the left and right sides of the base, and the dial indicator fixing block 7 can horizontally rotate around the dial indicator fixing block rotating shaft 13.
As a further scheme of this embodiment, still include two fixed block lockbars 9, be equipped with the fixed slot on the base 11, percentage table fixed block 7 inlays and establishes in the fixed slot, the lateral wall of fixed slot has the fixed orifices, the fixed orifices with percentage table fixed block 7 one-to-one sets up and with the axis of rotation of percentage table fixed block 7 is parallel, fixed block lockbars 9 with the fixed orifices one-to-one is connected and with the looks butt of percentage table fixed block 7.
Specifically, as shown in fig. 2, in this embodiment, the fixing groove is a horizontal fixing groove, the fixing hole is perpendicular to the upper end surface of the base 11, the fixing hole is a threaded hole, the fixing block locking rod 9 is in threaded connection with the fixing hole, the lower end surface of the fixing block locking rod 9 is in contact with the upper end surface of the dial indicator fixing block 7, and the locking or unlocking of the dial indicator fixing block 7 is realized by rotating the fixing block locking rod 9.
As a further scheme of the embodiment, the dial indicator locking screw 6 is further included, the dial indicator fixing block 7 is provided with a locking hole, the locking hole is perpendicular to the axis of the dial indicator 8, and the dial indicator locking screw 6 is connected with the locking hole and is abutted to the measuring rod sleeve of the dial indicator 8.
Specifically, as shown in fig. 2, the dial indicator locking screw 6 is perpendicular to the contact of the dial indicator 8 and is in threaded connection with the dial indicator fixing block 7, the locking hole is a threaded hole, and the dial indicator locking screw 6 compresses the measuring rod sleeve of the dial indicator 8, so that the fixation of the dial indicator is realized. The user can adjust the position of the dial indicator 8 relative to the dial indicator fixed block 7 up and down according to the use condition.
As a further scheme of the embodiment, the scraper positioning assembly comprises a positioning block 1, a connecting rod positioning assembly and a pressing assembly, wherein the positioning block 1 is connected with the front side of the lower part of the base 11; the connecting rod positioning assembly is connected with the middle part of the base 11 and used for limiting the position of the connecting rod of the scraping plate; the pressing component is connected with the top wall of the upper portion of the base 11 and used for limiting the scraping plate between the pressing component and the positioning block 1.
Specifically, as shown in fig. 1, 2, 6 and 8, the positioning block 1 has an L-shaped block structure, the positioning block 1 is in threaded connection with the base 11 through a screw, a surface of the bending portion of the positioning block 1, which faces upward, contacts with the bottom surface of the lower scraper 166, and a surface of the bending portion of the positioning block 1, which faces forward, contacts with the rear side surface of the lower scraper 166.
As a further scheme of this embodiment, the connecting rod positioning assembly includes connecting rod briquetting 2 and briquetting base 12, briquetting base 12 with base 11 is connected, connecting rod briquetting 2 with briquetting base 12 can dismantle the connection, connecting rod briquetting (2) with have the clearance with scraper blade connecting rod diameter looks adaptation between briquetting base (12).
Specifically, as shown in fig. 8, the press block base 12 is in threaded connection with the base 11 through a screw, the press block base 12 is in a shape of 'convex', the connecting rod press block 2 is in a shape of 'concave', a gap matched with the diameter of the scraper connecting rod is formed between the left and right protruding parts of the connecting rod press block 2 and the left and right sinking parts of the press block base 12, and the left and right protruding parts of the connecting rod press block 2 respectively press the left connecting rod 1652 and the right connecting rod 1651.
As a further scheme of the embodiment, the connecting rod press block further comprises a press block screw 15 and a press block nut 3, the connecting rod press block 2 and the press block base 12 are provided with through holes matched with the press block screw 15, and the press block screw 15 penetrates through the connecting rod press block 2 and the press block base 12 and is in threaded connection with the press block nut 3.
Specifically, as shown in fig. 2 and 3, the centers of the connecting rod press block 2 and the press block base 12 are provided with through holes for the press block screws to pass through, the press block screws 15 penetrate from the rear side of the press block base 12 and penetrate from the front side of the connecting rod press block 2, the press block nuts 3 are in threaded connection with the press block screws 15, and the screw heads of the press block screws 15 are in contact with the front side surface of the base 11. The screw for fixing the link pressing block 2 passes through the base 11 from the rear side of the base 11 and is screw-coupled with the link pressing block.
As a further scheme of this embodiment, the compressing assembly includes compressing block 4 and spring 5, base 11 has the compressing block hole, compressing block 4 has integrated into one piece's vertical section and horizontal segment, compressing block 4's vertical section cover is established in the compressing block hole, the bottom surface of horizontal segment contacts with the terminal surface of scraper blade, spring 5 cup joints the outside of vertical segment, the both ends of spring 5 respectively with the top surface of horizontal segment with base 11 contacts.
Specifically, as shown in fig. 1 and fig. 6, a circular through hole is formed in the middle of the upper portion of the base 11, the compression block 4 is of an inverted T-shaped structure, a spring 5 is sleeved on the outer side of a vertical rod of the compression block 4, a vertical section of the compression block 4 is arranged in the circular through hole of the base 11, one end of the spring 5 is in contact with the upper end face of a horizontal section of the compression block 4, and the other end of the spring is in contact with the base 11. And a drop-off nut is also fixed above the vertical section of the compression block 4 to prevent the compression block 4 from falling out of the circular through hole of the base 11. When the graphite blade 16 is mounted on the blade error correction tool of the present invention, the spring 5 compresses and generates a vertically downward force to press the pressing block 4 downward against the upper blade 161.
As a further aspect of this embodiment, the present invention further includes a handle 10, where the handle 10 is connected to the base 11.
Specifically, the handle 10 is welded to the base 11.
The invention relates to a scraper error correction tool, which comprises the following steps of:
the installation process comprises the following steps: the pressing block nut 3 is unscrewed, the connecting rod pressing block 2 is taken down, the upper top surface of the graphite scraping plate 16 is propped against the lower bottom surface of the pressing block 4, the pressing block 4 is pushed upwards, and the rear surface of the lower scraping plate 166 is simultaneously pushed to be contacted with the front side surface of the positioning block 1. The pressing block 4 presses the upper scraping plate 161 downwards under the action of the spring 5, and the lower bottom surface of the lower scraping plate 166 is contacted with the upper side surface of the positioning block 1. The rear sides of the left link 1652 and the right link 1651 are in contact with the front sides of the left and right bosses of the briquetting base 12, the link briquetting 2 is passed through the briquetting screw 15, and the rear sides of the left and right bosses of the link briquetting 2 are in contact with the front sides of the left link 1652 and the right link 1651. The pressing block nut 3 is screwed on to press the connecting rod pressing block 2 with the two connecting rods.
And (3) adjusting a scraping plate process: as shown in fig. 6, the left and right dial lock nuts 6 are unscrewed, and the positions of the dial gauges 8 are adjusted up and down so that the contacts of the dial gauges 8 are brought into contact with the upper end surfaces of the upper blades 161. And after zeroing the dial indicator, starting to adjust the graphite scraping plate. Rotating the left dial indicator 8 and the right dial indicator 8 to the position shown in fig. 7, wherein a measuring anvil of an outside micrometer is arranged in the right U-shaped groove 14, a micrometer screw and the measuring anvil of the micrometer are on the same vertical straight line, the micrometer screw and the measuring anvil are respectively contacted with the upper end face of the upper scraper 161 and the lower end face of the lower scraper 166, and specifically, the measuring anvil of the outside micrometer is arranged in the right U-shaped groove 14 so as to measure the distance between the upper end face and the lower end face of the right graphite scraper 16; an anvil of an outside micrometer is placed in the left U-shaped groove 14, and the distance between the upper and lower end surfaces of the left-side graphite blade 16 is measured. Specifically, the measuring points of the outside micrometer are located on the center planes of the front and rear faces of the graphite blade 16. The distance between the upper end face and the lower end face on the left side and the distance between the upper end face and the lower end face on the right side and the inner diameter of the cavity of the flowmeter are obtained according to the measurement of an outside micrometer, and the left adjusting nut 1642 and the right adjusting nut 1641 are rotated to enable the distance between the upper end face and the lower end face on the left side and the lower end face on the right side to be equal and to be matched with the cavity of the flowmeter by combining the variable values of the left dial indicator 8 and the right dial indicator 8. The left and right dial indicators 8 were rotated again to the positions shown in fig. 7, and the adjusted left upper and lower end face distances and right upper and lower end face distances were measured with an outside micrometer. If the difference between the two distance values is within the error range and the distance value meets the requirement of normal operation of the cavity of the flowmeter, finishing adjustment; and if the requirements are not met, repeating the steps of adjustment and measurement.
The disassembly process comprises the following steps: the pressing block nut 3 is unscrewed, and the connecting rod pressing block 2 is taken down. The graphite scraper 16 is pushed upwards, so that a gap is formed between the lower scraper 166 and the upper end surface of the positioning block 1, and the lower scraper 166 is pulled forwards to take out the graphite scraper 16. The connecting rod pressing block 2 is installed back and the pressing block nut 3 is screwed.
Example two
On the basis of the first embodiment, the rotary connection between the dial indicator fixed block 7 and the base 11 is replaced by sliding connection.
As shown in fig. 9 and 10, the locking positioning rod 17 comprises two locking positioning rods 17, two horizontal sliding grooves are formed in the base 11, the dial indicator fixing blocks 7 are embedded in the sliding grooves and slide relative to the sliding grooves, two locking holes perpendicular to the sliding grooves are formed in the side walls of the sliding grooves, the locking holes are arranged in one-to-one correspondence with the dial indicator fixing blocks 7, and the locking positioning rods 17 are connected with the locking holes in one-to-one correspondence and are abutted to the dial indicator fixing blocks 7.
As shown in fig. 9, in the adjustment of the squeegee, the left and right dial lock nuts 6 are unscrewed, and the position of the dial 8 is adjusted up and down so that the contact of the dial 8 is brought into contact with the upper end surface of the upper squeegee 161. And after zeroing the dial indicator, starting to adjust the graphite scraping plate. The two dial indicators 8 were moved apart from each other, and the distance between the upper and lower end surfaces of the graphite blade 16 was measured using an outside micrometer. The left dial indicator 8 and the right dial indicator 8 are horizontally moved respectively to restore the dial indicators, the right end of the left dial indicator fixing block 7 is contacted with the right side wall of the left sliding groove, and the left end of the right dial indicator fixing block 7 is contacted with the left side wall of the right sliding groove. The distance between the upper end face and the lower end face on the left side and the distance between the upper end face and the lower end face on the right side and the inner diameter of the cavity of the flowmeter are obtained according to the measurement of an outside micrometer, and the left adjusting nut 1642 and the right adjusting nut 1641 are rotated to enable the distance between the upper end face and the lower end face on the left side and the lower end face on the right side to be equal and to be matched with the cavity of the flowmeter by combining the variable values of the left dial indicator 8 and the right dial indicator 8.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The utility model provides a scraper blade error correction frock, its characterized in that includes scraper blade locating component, base (11), at least one percentage table fixed block (7) and at least one percentage table (8), the scraper blade locating component with base (11) are connected, the scraper blade locating component has at least one recess (14) that are used for holding outside micrometer anvil or micrometer screw rod, percentage table fixed block (7) with base (11) swivelling joint or sliding connection, percentage table (8) with percentage table fixed block (7) one-to-one sets up and wears to establish in percentage table fixed block (7), recess (14) with percentage table (8) one-to-one sets up, percentage table (8) along with percentage table fixed block (7) with the change of base (11) relative position and scraper blade contact or separation; including at least one percentage table fixed block pivot (13), percentage table fixed block pivot (13) level or vertical setting and with base (11) fixed connection, be equipped with on percentage table fixed block (7) with percentage table fixed block pivot (13) one-to-one sets up and overlaps the through-hole of establishing in the outside of percentage table fixed block pivot (13), percentage table fixed block (7) are around percentage table fixed block pivot (13) rotate.
2. The tool for correcting the scraping errors according to claim 1, further comprising at least one fixing block locking rod (9), wherein a fixing groove is formed in the base (11), the dial indicator fixing blocks (7) are embedded in the fixing groove, at least one fixing hole is formed in the side wall of the fixing groove, the fixing holes are arranged in one-to-one correspondence with the dial indicator fixing blocks (7) and are parallel to the rotating shafts of the dial indicator fixing blocks (7), and the fixing block locking rods (9) are connected with the fixing holes in one-to-one correspondence and are abutted to the dial indicator fixing blocks (7).
3. The tool for correcting the scraping errors according to claim 1, further comprising at least one locking positioning rod (17), wherein a chute is formed in the base (11), the dial indicator fixing block (7) is embedded in the chute and slides relative to the chute, at least one positioning hole perpendicular to the chute is formed in the side wall of the chute, the positioning holes are arranged in one-to-one correspondence with the dial indicator fixing blocks (7), and the locking positioning rods (17) are connected with the positioning holes in one-to-one correspondence and are abutted to the dial indicator fixing blocks (7).
4. The tool for correcting the scraping errors according to claim 1, further comprising a dial indicator locking screw (6), wherein the dial indicator fixing block (7) is provided with a locking hole, the locking hole is perpendicular to the axis of the dial indicator (8), and the dial indicator locking screw (6) is connected with the locking hole and is abutted to a measuring rod sleeve of the dial indicator (8).
5. The tool for correcting the scraping plate error according to claim 1, wherein the scraping plate positioning assembly comprises a positioning block (1), a connecting rod positioning assembly and a pressing assembly, and the positioning block (1) is connected with the lower part of the base (11); the connecting rod positioning assembly is connected with the middle part of the base (11) and used for limiting the position of the connecting rod of the scraping plate; the pressing component is connected with the top wall of the upper part of the base (11) and used for limiting the scraping plate between the pressing component and the positioning block (1).
6. The tool for correcting the scraping plate error according to claim 5, wherein the connecting rod positioning assembly comprises a connecting rod pressing block (2) and a pressing block base (12), the pressing block base (12) is connected with the base (11), the connecting rod pressing block (2) is detachably connected with the pressing block base (12), and a gap matched with the diameter of the scraping plate connecting rod is formed between the connecting rod pressing block (2) and the pressing block base (12).
7. The tool for correcting the scraping errors according to claim 6, further comprising a pressing screw (15) and a pressing nut (3), wherein the connecting rod pressing block (2) and the pressing block base (12) are provided with through holes matched with the pressing screw (15), and the pressing screw (15) penetrates through the connecting rod pressing block (2) and the pressing block base (12) and is in threaded connection with the pressing nut (3).
8. The tool for correcting the scraping errors according to claim 5, wherein the pressing assembly comprises a pressing block (4) and a spring (5), the base (11) is provided with a pressing block hole, the pressing block (4) is provided with a vertical section and a horizontal section which are integrally formed, the vertical section of the pressing block (4) is sleeved in the pressing block hole, the bottom surface of the horizontal section is contacted with the end surface of the scraping plate, the spring (5) is sleeved on the outer side of the vertical section, and two ends of the spring (5) are respectively contacted with the top surface of the horizontal section and the base (11).
9. The squeegee error correction tool according to any of claims 1-8, further comprising a handle (10), wherein the handle (10) is connected to the base (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811428973.XA CN109277966B (en) | 2018-11-27 | 2018-11-27 | Scraper blade error correction frock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811428973.XA CN109277966B (en) | 2018-11-27 | 2018-11-27 | Scraper blade error correction frock |
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| CN109277966B true CN109277966B (en) | 2024-03-26 |
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