CN110340759B

CN110340759B - Test block grinding machine

Info

Publication number: CN110340759B
Application number: CN201910679103.8A
Authority: CN
Inventors: 卢敏宜; 陈焯炜; 梁耀明; 谢振荣
Original assignee: Foshan Construction Engineering Quality Inspection Station
Current assignee: Foshan Construction Engineering Quality Inspection Station
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2024-01-30
Anticipated expiration: 2039-07-25
Also published as: CN110340759A

Abstract

The invention relates to a test block grinding machine, which comprises a base, a conveying device arranged at the top of the base and a grinding device arranged on a conveying path of the conveying device, wherein the conveying device comprises a workbench and a driving assembly for driving the workbench to move along the horizontal direction, the grinding device comprises a plurality of pairs of grinding pieces which are arranged at intervals along the conveying path of the conveying device, and each pair of grinding pieces are oppositely arranged at two opposite sides of the conveying device; one side of the workbench, which is far away from the base, is provided with a fixing component for positioning the test block. The invention has the advantages of high working efficiency and capability of ensuring the operation safety of operators.

Description

Test block grinding machine

Technical Field

The invention relates to the technical field of test block polishing, in particular to a test block polishing machine.

Background

At present, in the building engineering test, the compression test needs to be carried out on the concrete test block, the surface of the concrete test block is uneven when the concrete test block is just made, and the surface of the concrete test block needs to be smooth and even when the compression test is carried out, so that the grinding and leveling treatment needs to be carried out on the just-made concrete test block.

Currently, the polishing of a test block is performed through a hand-held polishing machine in the prior art, the test block is firstly fixed on a fixed seat, then the handle of the hand-held polishing machine is positioned, and then the polishing wheel arranged at the front end is contacted with a plane required to be polished by the test block until the test block is polished flat.

The prior art solutions described above have the following drawbacks: the polishing mode is low in polishing efficiency and polishing precision, and the surface of a test block polished by the balance of hands is difficult to be kept flat, so that the accuracy of a compression test result can be influenced; in addition, the polishing mode can cause potential safety hazard to operators if the operator is not skilled in the polishing process.

Disclosure of Invention

The invention aims to provide a test block grinding machine which has the effects of high working efficiency and ensuring the operation safety of operators.

The above object of the present invention is achieved by the following technical solutions:

the test block grinding machine comprises a base, a conveying device arranged at the top of the base and a grinding device arranged on a conveying path of the conveying device, wherein the conveying device comprises a workbench and a driving assembly for driving the workbench to move along the horizontal direction, the grinding device comprises a plurality of pairs of grinding pieces arranged at intervals along the conveying path of the conveying device, and each pair of grinding pieces are oppositely arranged at two opposite sides of the conveying device; one side of the workbench, which is far away from the base, is provided with a fixing component for positioning the test block.

By adopting the technical scheme, the test block is positioned and installed on the fixed component, the conveying device is started, the test block workbench is driven towards the direction of the polishing device, the two opposite ends of the test block are polished and leveled through the polishing pieces arranged on the two opposite sides of the conveying device, so that the test block with flat and smooth opposite sides can be obtained, the polishing mode is high in working efficiency, and an operator is not required to polish the test block in person in the polishing process, only the test block is required to be placed on the fixed component, and the safety of the operator in the polishing process is ensured; and the transmission path of the transmission device is provided with a plurality of pairs of polishing pieces so as to polish for a plurality of times, thereby ensuring the surface precision of polished test blocks, and further ensuring the accuracy of the final result obtained in the process of performing the compression test.

The invention is further provided with: the driving assembly comprises a mounting seat, a screw rod, a guide rod and a motor, wherein the motor is arranged on one side of the mounting seat, one end of the screw rod is connected with the motor, the other end of the screw rod is rotatably arranged on the mounting seat and opposite to the motor, the opposite ends of the guide rod are fixed on the mounting seat, the guide rod and the screw rod are mutually parallel, a sliding block and a transmission block are arranged on one side of the workbench, which is far away from the fixing assembly, the transmission block penetrates through the screw rod to be in threaded fit connection, and the sliding block is slidably sleeved on the guide rod.

Through adopting above-mentioned technical scheme, make the drive block and the lead screw of installing at the workstation carry out screw-thread fit, make the slider of installing at the workstation slide along the guide bar, make the workstation remove along the horizontal direction after starting motor to finish when grinding the test block, and start motor makes it reversal after taking out the test block, can make the workstation remove the one end of assembly again, thereby carry out the grinding of next round.

The invention is further provided with: the conveying device is characterized in that telescopic dust covers are arranged at two opposite ends of the conveying device along the conveying direction, the screw rod and the guide rod are arranged in the dust covers, and one end of each dust cover is fixed on the mounting seat while the other end is fixed on the workbench.

By adopting the technical scheme, the dust cover is arranged to prevent impurities such as dust from falling on the screw rod and the guide rod, so that the smoothness of the workbench in the transmission process is affected, and the service life of the conveying device is reduced; the dust cover is telescopic, one end of the dust cover is fixed on the mounting seat, and the other end of the dust cover is fixed on the workbench, so that the movement of the workbench is not affected, and the screw rod and the guide rod are not exposed outside.

The invention is further provided with: the fixing assembly comprises a fixing seat and a limiting piece limiting the test block to the fixing seat, one side of the fixing seat is fixed on the workbench, a plurality of limiting grooves are formed in the other side of the fixing seat at intervals, the limiting piece comprises a propping plate and a fixing bolt, the propping plate is opposite to the notch of the limiting grooves, and the fixing bolt penetrates through the propping plate to be installed on one side, away from the workbench, of the fixing seat.

By adopting the technical scheme, the test block is placed in the limit groove, the plane to be ground is extended out of the limit groove, and then the test block is abutted against the part of the test block exposed out of the limit groove through the abutting plate and then fixed by using the fixing screw, so that the test block is limited and installed in the limit groove, the stable installation of the test block is realized, and the movement of the test block in the grinding process is avoided, and the grinding precision of the test block is influenced; the purpose that is provided with a plurality of spacing groove is in order to carry out the grinding processing to a plurality of test blocks simultaneously under the condition that the workstation once moves once to the work efficiency has been very high.

The invention is further provided with: the base is provided with a measuring table, the table top of the measuring table is flush with the side surface of the limit groove, the measuring table is provided with a measuring assembly, the measuring assembly comprises a fixed rod, an adjusting block and a scale, the fixed rod is detachably arranged at the opposite ends of the fixed rod, the adjusting block is arranged at the fixed rod, the scale is arranged at the adjusting block, one end of the scale is arranged at the adjusting block, the other end of the scale extends towards the direction of the fixed seat, and one end of the scale extending outwards corresponds to the side surface position of the limit groove; the fixed rod is provided with a plurality of mounting holes at intervals, the mounting holes are arranged along the conveying direction of the conveying device, and the adjusting block is matched with the mounting holes through bolts to be mounted on the fixed rod.

Through adopting above-mentioned technical scheme, after the test block was placed in the spacing inslot, remove the test block and make one side of test block and the one end butt that the scale extends to the workstation direction, then adjust the position of scale through different mounting holes to can all carry out the butt location to the test piece of placing in different spacing inslot, thereby guaranteed that the test piece homoenergetic that sets up in every spacing inslot is adjusted the location, thereby guaranteed the grinding accuracy of every test block.

The invention is further provided with: the scale is provided with the regulation hole, the regulating block is kept away from the one end of dead lever is provided with the screw, the screw passes the regulation hole is installed the regulating block, the head butt of screw is in the one end of keeping away from of scale the regulating block.

Through adopting above-mentioned technical scheme, thereby when needs adjustment scale reaches the test block of adaptation different specifications to fixing base extension, the accessible unscrews the screw, then thereby along the extension length of regulation hole translation scale change scale to reach the test piece of different specifications and fix a position.

The invention is further provided with: the fixing base is provided with mounting posts at two opposite ends along the transmission direction, wherein the mounting posts can position two opposite ends of the fixing rod.

Through adopting above-mentioned technical scheme, when polishing, will install earlier and demolish at the locating part of fixing base, then take off the measuring module who installs at the measuring station, install the dead lever relative both ends at the fixing base through the erection column, then the extension length of adjustment scale for can accurately adjust the position of polishing when the scale is close to the piece of polishing, unscrew screw rotation scale makes the scale point to the piece of polishing of the other side of polishing of other side carry out the piece of adjusting after the piece of polishing of one side finishes the adjustment, thereby reach and can carry out accurate position adjustment to every piece of polishing, thereby guaranteed the precision of polishing at the grinding in-process.

The invention is further provided with: every grinding member all is provided with the nozzle that is used for spraying cutting fluid, grinding device still includes the box, be provided with the chamber of polishing in the box, the grinding member is including being located the part of polishing in the box with be located the drive division outside the box, the nozzle sets up in the chamber of polishing.

By adopting the technical scheme, the nozzle is used for spraying the cutting fluid, so that the test block can be cooled and lubricated in the polishing process, the polishing precision is prevented from being influenced by the fact that the polishing piece is in contact with the test block to cause too high temperature, and the service life of the polishing piece can be prolonged; the box body is arranged, so that some fragments can fly out to hurt operators in the polishing process, and the cutting fluid can be prevented from splashing around.

The invention is further provided with: the top of box is provided with opening and apron, the box is close to the opening part is provided with the accepting groove, accepting groove is followed open-ended edge sets up, the apron is placed accepting groove.

Through adopting above-mentioned technical scheme, be provided with the purpose of opening and apron at the box top and repair the change for the convenience to polishing piece, thereby can open the apron when adjusting the position through measuring assembly to polishing piece moreover and judge the distance between scale and the polishing piece more clearly, and adjust the position of polishing piece and also make things convenient for more and accurate to the practicality has been guaranteed.

The invention is further provided with: the polishing pieces are provided with two pairs, one pair of polishing pieces is a rough polishing piece for rough polishing the test block, and the other pair of polishing pieces is a fine polishing piece for fine polishing the test block.

Through adopting above-mentioned technical scheme, set up the piece of polishing into two pairs, and one pair carries out the coarse grinding, another pair carries out the purpose of finish grinding not only can guarantee the precision of polishing of test block through twice polishing, thereby also can guarantee that the test block surface after polishing can be more level and smooth.

In summary, the beneficial technical effects of the invention are as follows:

1. the test block is positioned and installed on the fixed assembly, the conveying device is started, the test block workbench is driven towards the direction of the polishing device, the polishing pieces arranged on the two opposite sides of the conveying device are used for polishing the two opposite ends of the test block, so that the test block with smooth and flat opposite sides can be obtained; the transmission path of the transmission device is provided with a plurality of pairs of polishing pieces so as to polish for a plurality of times, thereby ensuring the surface precision of polished test blocks, and further ensuring the accuracy of the final result obtained in the compression test;

2. the dust cover is arranged, so that impurities such as dust are prevented from falling on the screw rod and the guide rod, the smoothness of the workbench in the transmission process is affected, and the service life of the conveying device is shortened; the dust cover is telescopic, one end of the dust cover is fixed on the mounting seat, and the other end of the dust cover is fixed on the workbench, so that the movement of the workbench is not affected, and the screw rod and the guide rod can be prevented from being exposed outside at any time;

3. after the test blocks are placed in the limiting grooves, one side surface of each test block is abutted with one end of the scale extending towards the direction of the workbench through moving the test blocks, and then the positions of the scale are adjusted through different mounting holes, so that the test pieces placed in different limiting grooves can be abutted and positioned, the test pieces arranged in each limiting groove can be adjusted and positioned, and the grinding accuracy of each test block is finally ensured;

4. before polishing, removing the limiting piece arranged on the fixing seat, then taking down the measuring assembly arranged on the measuring table, arranging the opposite ends of the fixed rod on the fixing seat through the mounting posts, and then adjusting the extension length of the scale, so that the position of the polishing piece can be accurately adjusted when the scale is close to the polishing piece, and after the polishing piece on one side is adjusted, unscrewing the screw to rotate the scale to enable the scale to point to the polishing piece on the other side to adjust the polishing piece on the other side, thereby achieving accurate position adjustment of each polishing piece and further guaranteeing polishing precision in the polishing process;

5. the cutting fluid is sprayed to the contact place of the polishing piece and the test block through the nozzle, so that the test block can be cooled and lubricated in the polishing process, the polishing precision is prevented from being influenced due to the fact that the polishing piece is in contact with the test block, and the service life of the polishing piece can be prolonged; the box body is arranged, so that some fragments fly out in the polishing process to hurt operators, and the cutting fluid can be prevented from splashing around;

6. the opening and the cover plate are arranged at the top of the box body, so that the polishing piece is convenient to maintain and replace, the cover plate can be opened by adjusting the position of the polishing piece through the measuring assembly, the distance between the scale and the polishing piece can be judged more clearly, and the position of the polishing piece can be adjusted more conveniently and accurately, so that the practicability is ensured;

7. through setting up the piece of polishing into two pairs, and one pair carries out the coarse grinding, another pair carries out the purpose of finish grinding not only can guarantee the precision of polishing of test block through twice polishing, also can guarantee that the test block surface after polishing can be more level and smooth moreover.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an overall cross-sectional view of the present invention.

Fig. 3 is an enlarged partial schematic view of the portion a in fig. 2.

Fig. 4 is a partially enlarged schematic view of the portion B in fig. 2.

Fig. 5 is a top view of the entirety of the present invention.

Fig. 6 is an enlarged partial schematic view of the portion C in fig. 5.

In the figure, 1, a conveying device; 11. a work table; 111. a slide block; 112. a transmission block; 12. a driving device; 121. a mounting base; 122. a screw rod; 123. a guide rod; 124. a motor; 13. a fixing assembly; 131. a fixing seat; 1311. a limit groove; 1312. a mounting column; 132. a limiting piece; 1321. an abutting plate; 1322. a fixing bolt; 14. a dust cover; 2. a polishing device; 21. a fine grinding member; 22. rough grinding; 23. a case; 231. an opening; 232. a receiving groove; 233. a cover plate; 234. a handle; 235. a polishing cavity; 24. a nozzle; 3. a measuring station; 31. a limit column; 4. a measurement assembly; 41. a fixed rod; 411. a mounting hole; 42. an adjusting block; 421. a plug pin; 43. a ruler; 431. an adjustment aperture; 5. a receiving tray; 101. a base; 102. a charging end; 103. a discharge end; 104. a polishing member; 105. a polishing part; 106. a driving part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the test block grinding machine disclosed by the invention comprises a base 101, a conveying device 1, a grinding device 2, a measuring table 3 and a measuring assembly 4, wherein the conveying device 1 is arranged on the base 101, the conveying device 1 comprises a workbench 11 and a driving device 12, the driving device 12 drives the workbench 11 to perform linear motion along the horizontal direction, the grinding device 2 is arranged on the base 101 and positioned on a conveying path of the conveying device 1, the grinding device 2 divides the conveying device 1 into a loading end 102 and a discharging end 103, the base 101 positioned on one side of the loading end 102 is provided with the measuring table 3, the measuring table 3 is in a C shape, and the measuring assembly 4 is arranged on a table surface of the measuring table 3; a fixing component 13 is arranged on one side of the workbench 11 far away from the base 101, and the table top of the measuring table 3 is arranged flush with the fixing component 13.

As shown in fig. 1 and 2, the driving device 12 includes a mounting seat 121, a screw rod 122, two guide rods 123 and a motor 124, one side of the mounting seat 121 is fixed on the base 101, the screw rod 122 and the two guide rods 123 are mounted on the other side, opposite ends of the screw rod 122 are rotatably mounted at opposite ends of the mounting seat 121 through bearings, and one end of the screw rod 122, which is positioned at the discharging part, is connected with the motor 124; opposite ends of the two guide rods 123 are fixedly mounted on the mounting seat 121, the two guide rods 123 are arranged on opposite sides of the screw rod 122, the two guide rods 123 are parallel to the screw rod 122, and the two guide rods 123 are symmetrically arranged about the screw rod 122.

As shown in fig. 2 and 3, two sliding blocks 111 and a transmission block 112 are arranged on one side of the workbench 11 far away from the fixed component 13, the transmission block 112 is arranged in the middle of the ground of the workbench 11, the two sliding blocks 111 are arranged on two sides of the transmission block 112, the transmission block 112 is sleeved on the screw rod 122 and is in threaded fit with the screw rod 122, and the two sliding blocks 111 are both slidably sleeved on the guide rod 123; the driving device 12 is provided with dust covers 14 on two opposite sides along the transmission direction, one end of each dust cover 14 is fixed on the mounting seat 121, the other end is fixed on the workbench 11, and the dust covers 14 can correspondingly stretch and compress along with the movement of the workbench 11.

As shown in fig. 2, a receiving tray 5 is disposed between the mounting base 121 and the base 101, one side of the receiving tray 5 is fixed to the base 101, and the other side is opposite to the mounting base 121, and the extending range of the receiving tray 5 is larger than the range of the mounting base 121.

As shown in fig. 2 and 3, the fixing component 13 includes a fixing base 131 and a limiting member 132, one side of the fixing base 131 is fixed on the mounting base 121, four limiting grooves 1311 are arranged at intervals on the other side, the arrangement direction of the four limiting grooves 1311 is consistent with the conveying direction of the conveying device 1, the cross sections of the four limiting grooves 1311 are in an isosceles inverted triangle shape, every two adjacent limiting grooves 1311 are limited by the limiting member 132, the limiting member 132 includes an abutting plate 1321 and a fixing bolt 1322, the abutting plate 1321 is arranged opposite to the fixing base 131, the abutting plate 1321 extends to the upper side of the notch of the two limiting grooves 1311, and the fixing bolt 1322 penetrates through the middle of the abutting plate 1321 to be fixed on the fixing base 131 between the two corresponding adjacent limiting grooves 1311.

As shown in fig. 2 and 4, the polishing device 2 includes a case 23 and two pairs of polishing members 104, opposite ends of the case 23 are fixedly mounted on the base 101, a polishing cavity 235 is formed in the case 23, the polishing members 104 include a polishing portion 105 and a driving portion 106 for driving the polishing portion 105 to rotate, the driving portion 106 is mounted on the base 101, one end of the polishing portion 105 is connected with the driving portion 106, the other end extends into the polishing cavity 235, each pair of polishing members 104 is oppositely disposed on opposite sides of the conveying device 1, two polishing portions 105 corresponding to each pair of polishing members 104 are oppositely disposed, one pair of the two pairs of polishing members 104 near the loading end 102 is a rough polishing member 22, and one pair of the two pairs of polishing members 104 near the unloading end 103 is a fine polishing member 21; the top of the box body 23 is provided with an opening 231, the side wall of the box body 23 close to the opening 231 is provided with a receiving groove 232, the receiving groove 232 is arranged along the edge of the opening 231, the opening 231 is provided with a cover plate 233, and one side of the cover plate 233 close to the polishing cavity 235 is provided with a handle 234; four nozzles 24 are provided in the grinding chamber 235, one grinding section 105 for each nozzle 24.

As shown in fig. 5 and 6, the measuring table 3 is relatively provided with two limiting columns 31, the measuring assembly 4 comprises a fixed rod 41, an adjusting block 42 and a scale 43, opposite ends of the fixed rod 41 are respectively sleeved on the limiting columns 31, a plurality of mounting holes 411 are formed in the fixed rod 41 at intervals, the arrangement direction of the mounting holes 411 is consistent with the conveying direction, the adjusting block 42 is mutually matched with the mounting holes 411 through a bolt 421 and is mounted on the fixed rod 41, the scale 43 is mounted on one side, far from the fixed rod 41, of the adjusting block 42, the scale 43 is provided with an adjusting hole 431, a screw is arranged on one side, far from the fixed rod 41, of the adjusting block 42, the screw penetrates through the adjusting hole 431 and is mounted on the adjusting block 42, and the head of the screw is abutted to the scale 43; the fixing base 131 is provided with the erection column 1312 relatively far away from one side of workstation 11, and the erection column 1312 sets up at the opposite ends of fixing base 131, and the position that the erection column 1312 set up coincides with fixing base 131's central line position.

The implementation principle of the embodiment is as follows: firstly, the limiting piece 132 is detached from the fixing base 131, the cover plate 233 is taken out of the opening 231 through the handle 234, then the two opposite ends of the fixing rod 41 are sleeved on the mounting column 1312, the screw is loosened to move the scale 43, the scale 43 is adjusted to a proper position, then the screw is screwed down, the workbench 11 is moved to the polishing cavity 235, the position of the polishing piece 104 is adjusted to enable the polishing piece 104 to be abutted with one end of the scale 43 extending out of the adjusting block 42, after the polishing piece 104 on the same side is adjusted, the screw is unscrewed again, the scale 43 is rotated to enable the scale 43 to face the polishing piece 104 on the other side, the scale 43 is kept consistent with the previous scale, the screw is screwed down, the polishing piece 104 on the other side is positioned, for example, the length required by a test block is 20cm finally, and the scale of the scale 43 is adjusted to be 10cm; then, after the fixing rod 41 is detached, the opposite ends of the fixing rod 41 are sleeved on the limiting columns 31 of the measuring table 3, then the scales of the screw adjusting scale 43 are unscrewed, the distances between the end parts of the adjusted polishing parts 105 and the corresponding side walls of the box 23 are consistent, and then the screws are screwed.

Then, placing the test block in a limit groove 1311 at the loading end 102, enabling the end face of the test block to be in contact with the scale 43, and then pulling out the plug 421 to adjust the positions of the adjusting seat 42 so as to adjust the positions of the other three test blocks, thereby completing the position adjustment of all the test blocks; then, the abutting plate 1321 is abutted against the part of the test block exposed out of the limit groove 1311, and then the fixing bolt 1322 is screwed into the fixing base 131 through the abutting plate 1321 so as to position the test block; then, the motor 124, the driving part 106 and the nozzle 24 are started simultaneously, so that the workbench 11 moves towards the polishing cavity 235 and sequentially passes through the rough grinding piece 22 and the fine grinding piece 21, the nozzle 24 is aligned to the contact part of the polishing part 105 and the test block to spray cutting fluid, so that the opposite sides of the test block are subjected to polishing treatment, and finally the test block enters the discharge end 103 to be discharged, and the polishing treatment of the test block is completed; the cutting fluid sprayed by the nozzles 24 during the grinding process is concentrated by flowing from the conveyor 1 into the receiving disc 5.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.

Claims

1. A test block grinding machine is characterized in that: the polishing device comprises a base (101), a conveying device (1) arranged on the top of the base (101) and polishing devices (2) arranged on a conveying path of the conveying device (1), wherein the conveying device (1) comprises a workbench (11) and a driving assembly for driving the workbench (11) to move along the horizontal direction, the polishing devices (2) comprise a plurality of pairs of polishing pieces (104) which are arranged at intervals along the conveying path of the conveying device (1), and each pair of polishing pieces (104) are oppositely arranged on two opposite sides of the conveying device (1); one side of the workbench (11) far away from the base (101) is provided with a fixing component (13) for positioning a test block;

the driving assembly comprises a mounting seat (121), a screw rod (122), a guide rod (123) and a motor (124), wherein the motor (124) is arranged on one side of the mounting seat (121), one end of the screw rod (122) is connected with the motor (124), the other end of the screw rod is rotatably arranged on the mounting seat (121) and opposite to the motor (124), the opposite ends of the guide rod (123) are fixed on the mounting seat (121), the guide rod (123) and the screw rod (122) are arranged in parallel, a sliding block (111) and a transmission block (112) are arranged on one side, far away from the fixing assembly (13), of the workbench (11), the transmission block (112) penetrates through the screw rod (122) to be in threaded fit connection, and the sliding block (111) is slidably sleeved on the guide rod (123);

the two opposite ends of the conveying device (1) along the conveying direction are respectively provided with a telescopic dust cover (14), the screw rod (122) and the guide rod (123) are respectively arranged in the dust covers (14), one end of each dust cover (14) is fixed on the mounting seat (121), and the other end of each dust cover is fixed on the workbench (11);

the fixing assembly (13) comprises a fixing base (131) and a limiting piece (132) limiting the test block on the fixing base (131), one side of the fixing base (131) is fixed on the workbench (11), a plurality of limiting grooves (1311) are formed in the other side of the fixing base at intervals, the limiting piece (132) comprises a abutting plate (1321) and a fixing bolt (1322), the abutting plate (1321) is opposite to the notch of the limiting groove (1311), and the fixing bolt (1322) penetrates through the abutting plate (1321) to be installed on one side, far away from the workbench (11), of the fixing base (131);

the base (101) is provided with a measuring table (3), the table top of the measuring table (3) is flush with the side face of the limit groove (1311), the measuring table (3) is provided with a measuring assembly (4), the measuring assembly (4) comprises a fixing rod (41) with two opposite ends detachably arranged on the measuring table (3), an adjusting block (42) arranged on the fixing rod (41) and a scale (43) arranged on the adjusting block (42), one end of the scale (43) is arranged on the adjusting block (42) and the other end extends towards the direction of the fixing seat (131), and one end of the scale (43) extending outwards corresponds to the side face position of the limit groove (1311); the fixing rod (41) is provided with a plurality of mounting holes (411) at intervals, the mounting holes (411) are arranged along the conveying direction of the conveying device (1), and the adjusting block (42) is mounted on the fixing rod (41) in a matched manner with the mounting holes (411) through bolts (421);

the scale (43) is provided with an adjusting hole (431), one end, far away from the fixed rod (41), of the adjusting block (42) is provided with a screw, the screw penetrates through the adjusting hole (431) and is installed on the adjusting block (42), and the head of the screw is abutted to one end, far away from the adjusting block (42), of the scale (43);

the opposite ends of the fixing base (131) along the transmission direction are provided with mounting posts (1312) capable of positioning the opposite ends of the fixing rod (41).

2. A test block mill as claimed in claim 1, wherein: every grinding member (104) all is provided with nozzle (24) that are used for spraying cutting fluid, grinding device (2) still include box (23), be provided with in box (23) and polish chamber (235), every pair grinding member (104) all including be located grinding portion (105) in box (23) and be located box (23) are outer and the drive grinding portion (105) pivoted drive portion (106), nozzle (24) set up in polish chamber (235).

3. A test block mill as claimed in claim 2, wherein: the top of box (23) is provided with opening (231) and apron (233), box (23) are close to opening (231) department is provided with accepting groove (232), accepting groove (232) are followed the edge setting of opening (231), apron (233) are placed accepting groove (232).

4. A test block mill as claimed in claim 1, wherein: the polishing pieces (104) are provided with two pairs, one pair of the polishing pieces (104) is a rough grinding piece (22) for rough grinding the test block, and the other pair of the polishing pieces is a fine grinding piece (21) for fine grinding the test block.