CN109926875B - Subway evacuation platform pull rod sharpening machine and processing method - Google Patents
Subway evacuation platform pull rod sharpening machine and processing method Download PDFInfo
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- CN109926875B CN109926875B CN201910175995.8A CN201910175995A CN109926875B CN 109926875 B CN109926875 B CN 109926875B CN 201910175995 A CN201910175995 A CN 201910175995A CN 109926875 B CN109926875 B CN 109926875B
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Abstract
The invention relates to the technical field of auxiliary equipment for subways, and discloses a drawbar sharpening machine for a subway evacuation platform and a processing method, wherein the drawbar sharpening machine adopted by the method comprises the following steps: the device comprises a frame, a sharpening rod chain disc and a sharpening device, wherein the sharpening rod chain disc is arranged on a chain disc base on the frame, and one end of a driving shaft, which is meshed with a driving chain wheel, of the sharpening rod chain disc is connected with a chain disc transmission mechanism on the chain disc base; the other end of the driving shaft is connected with the sharpening device; the two ends of a driven shaft on the sharpening rod chain disk meshed with the driven chain wheel are fixed in a tensioning block arranged on a chain disk base; the sharpening rod chain disk is uniformly distributed with a pull rod clamp for fixing the pull rod; the sharpening device consists of a plurality of frustum-shaped grinding wheels arranged between the annular guide plate and the frustum-shaped grinding wheel mounting plate. The invention can rapidly sharpen the pull rod under the drive of the sharpening device under the drive of the sharpening link chain disk, thereby overcoming the problems of manual sharpening of the pull rod and high labor intensity. The device has the advantages of simple structure, low manufacturing cost, convenient operation and high working efficiency.
Description
Technical Field
The invention relates to the technical field of auxiliary equipment for subways, in particular to a sharpening machine for a pull rod of a subway evacuation platform and a processing method.
Background
At present, along with the progress of urban treatment, subways enter two-line and three-line cities, and the composite material subway evacuation platform plate is restrained by taking the characteristics of high strength, corrosion resistance, non-conduction, flame retardance and the like as the mandatory specifications of national subway construction, but the equipment for manufacturing the composite material platform plate is quite crude. In particular to sharpening the pull rod for manufacturing the composite material platform plate, the pull rod is sharpened by manual work, the labor intensity is high, and the working efficiency is low.
Disclosure of Invention
In order to solve the technical problems, the invention provides a subway evacuation platform pull rod sharpening machine and a processing method thereof.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
A subway evacuation platform pull rod sharpening machine comprising: the device comprises a frame, a sharpening rod chain disc and a sharpening device, wherein the sharpening rod chain disc is arranged on a chain disc base on the frame, and one end of a driving shaft, which is meshed with a driving chain wheel, of the sharpening rod chain disc is connected with a chain disc transmission mechanism on the chain disc base; the other end of the driving shaft is connected with the sharpening device; the two ends of a driven shaft on the sharpening rod chain disk meshed with the driven chain wheel are fixed in a tensioning block arranged on a chain disk base; the sharpening rod chain disk is uniformly distributed with a pull rod clamp for fixing the pull rod; the sharpening device consists of a plurality of frustum-shaped grinding wheels arranged between the annular guide plate and the frustum-shaped grinding wheel mounting plate.
A subway evacuation platform pull rod sharpening machine, chain disk drive comprises motor synchronization circular arc tooth band pulley through two-sided circular arc tooth hold-in range and synchronization circular arc tooth band pulley connection, and motor synchronization circular arc tooth band pulley passes through the speed reducer and is connected with motor drive.
A pull rod sharpening machine for a subway evacuation platform is characterized in that a sharpening rod chain disc consists of double chains and chain supporting plates, the symmetrical double chains are uniformly provided with alternate chain supporting plates, and a fixed pull rod is arranged between the two alternate chain supporting plates.
The utility model provides a subway evacuation platform pull rod sharpening machine, pull rod anchor clamps are rectangle strip body structure, and the longitudinal groove cave of fixed pull rod is provided with to the longitudinal direction on the rectangle strip body structure, and the nearly end position of rectangle strip body structure is provided with the transverse groove of receiving and releasing the pull rod, and the both ends position in the longitudinal direction of rectangle strip body structure is provided with the screw through two alternate chain layer boards of bolted connection.
The sharpening device consists of an annular guide plate, a frustum-shaped grinding wheel and a frustum-shaped grinding wheel mounting plate, and the frustum-shaped grinding wheel mounting plate is fixedly connected with the annular guide plate through a support column; the grinding wheel shaft of each frustum-shaped grinding wheel between the frustum-shaped grinding wheel mounting plate and the annular guide plate passes through a bearing seat fixed on the frustum-shaped grinding wheel mounting plate to be connected with a sharpening belt pulley, and each sharpening belt pulley is respectively connected with a belt pulley on the sharpening motor through a synchronous belt; the frustum type grinding wheel mounting plate is fixed on the chain wheel base through bolts, and the centers of a plurality of frustum type grinding wheels which are uniformly distributed in an annular mode of the sharpening device are correspondingly overlapped with the center of the driving shaft.
The utility model provides a subway evacuation platform pull rod sharpening machine, the frustum shape emery wheel mounting panel is the annular circular plate, has a plurality of emery wheel bearing frame holes on the semicircle on the annular circular plate, and wherein the angle of every emery wheel bearing frame hole position sets up to 33-39; a pillar mounting hole connected with the annular guide plate is arranged at the position between the bearing seat holes of each grinding wheel; the lower semicircle of the annular circular plate is provided with a bolt hole connected with the frame, and a central hole arranged at the center of the annular circular plate is correspondingly overlapped with the driving shaft.
A sharpening rod chain disc is arranged on a chain disc base on the frame, and one end of a driving shaft on the sharpening rod chain disc, which is meshed with the driving chain wheel, is connected with a chain disc transmission mechanism on the chain disc base; the other end of the driving shaft is connected with the sharpening device; the two ends of a driven shaft on the sharpening rod chain disk meshed with the driven chain wheel are fixed in a tensioning block arranged on a chain disk base; the sharpening rod chain disk is uniformly distributed with a pull rod clamp for fixing the pull rod; the sharpening device consists of a plurality of frustum-shaped grinding wheels arranged between the annular guide plate and the frustum-shaped grinding wheel mounting plate.
A processing method of a subway evacuation platform pull rod sharpening machine comprises the following steps:
a. The pull rod to be sharpened is arranged in a pull rod clamp of a chain disc of the sharpening rod; aligning the pull rod through the alignment plate;
b. starting the sharpening machine to operate, and driving a group of pull rods of the pull rod clamp to be sharpened to move along with the movement of the sharpening rod chain disk 4;
c. when the first pull rod moves to the first frustum-shaped grinding wheel position in the rod sharpening mechanism along with the pull rod clamp, carrying out conical sharpening on the first pull rod;
d. when the circumference of the first pull rod moves to the position of the second conical grinding wheel in the sharpening mechanism, conical sharpening is carried out on the first pull rod; simultaneously, the second pull rod is moved to the position of the first conical grinding wheel in the sharpening mechanism, and conical sharpening is carried out on the second pull rod;
e. When the circumference of the first pull rod moves to the position of a third conical grinding wheel in the sharpening mechanism, conical sharpening is carried out on the first pull rod; simultaneously, the circumference of the second pull rod is moved to the second conical grinding wheel position in the rod sharpening mechanism, and conical sharpening is carried out on the second pull rod; simultaneously moving the third pull rod to the first conical grinding wheel position in the rod sharpening mechanism, and carrying out conical sharpening on the third pull rod;
f. When the circumference of the first pull rod moves to the position of a fourth conical grinding wheel in the sharpening mechanism, conical sharpening is carried out on the first pull rod; simultaneously, the circumference of the second pull rod is moved to the position of the third conical grinding wheel, and conical sharpening is carried out on the second pull rod; simultaneously moving the third pull rod to the second conical grinding wheel position in the rod sharpening mechanism, and carrying out conical sharpening on the third pull rod; simultaneously moving the fourth pull rod to the first conical grinding wheel position in the sharpening mechanism, and carrying out conical sharpening on the fourth pull rod;
g. When the circumference of the first pull rod moves to the position of a fifth conical grinding wheel in the rod sharpening mechanism, conical sharpening is carried out on the first pull rod; simultaneously, the second pull rod is circumferentially moved to a fourth conical grinding wheel position in the rod sharpening mechanism, and conical sharpening is carried out on the second pull rod; simultaneously, the circumference of the third pull rod is moved to the position of a third conical grinding wheel in the sharpening mechanism, and conical sharpening is carried out on the third pull rod; simultaneously, the circumference of the fourth pull rod is moved to the position of a second conical grinding wheel in the sharpening mechanism, and conical sharpening is carried out on the fourth pull rod; simultaneously, the fifth pull rod is moved to the first conical grinding wheel position in the sharpening mechanism, and conical sharpening is carried out on the fifth pull rod;
h. When the first pull rod leaves the position of the fifth conical grinding wheel, the conical sharpening is finished, the circumference of the first pull rod moves to the lower part of the annular guide plate of the rod sharpening mechanism, and the tapered first pull rod is pulled out.
A processing method of a subway evacuation platform pull rod sharpening machine, wherein the angle of a first pull rod moving annularly to the position of a second conical grinding wheel in a rod sharpening mechanism is 36 degrees, and the angles of the positions among the second conical grinding wheel, the third conical grinding wheel, the fourth conical grinding wheel and the fifth conical grinding wheel are 36 degrees.
By adopting the technical scheme, the invention has the following advantages:
A subway evacuation platform pull rod sharpening machine and a processing method thereof can rapidly sharpen a pull rod under the drive of a sharpening rod chain disk and under a sharpening device consisting of a plurality of frustum-shaped grinding wheels arranged between an annular guide plate and a frustum-shaped grinding wheel mounting plate, thereby solving the problems of high labor intensity and low working efficiency caused by sharpening the pull rod by adopting manpower generally. The device has the advantages of simple structure, low manufacturing cost and convenient operation.
Drawings
FIG. 1 is a schematic structural view of a subway evacuation platform pull rod sharpening machine;
FIG. 2 is a schematic view of the structure of the frustum-shaped sand mounting plate;
FIG. 3 is a schematic view of the structure of the annular guide plate;
FIG. 4 is a schematic view of the structure of the chain pallet;
FIG. 5 is a schematic structural view of a tie bar clamp;
FIG. 6 is a top view of the tie bar clamp structure;
fig. 7 is a side view of the tie bar clamp structure.
Detailed Description
The invention will now be described in further detail with reference to specific examples thereof in connection with the accompanying drawings. As shown in fig. 1 to 7, a pole sharpening machine for a subway evacuation platform includes: the device comprises a frame 1, a sharpening rod chain disk 4 and a sharpening device, wherein the sharpening rod chain disk 4 is arranged on a chain disk base 2 on the frame 1, and one end of a driving shaft 10, which is meshed with a driving chain wheel 12, of the sharpening rod chain disk 4 is connected with a chain disk transmission mechanism on the chain disk base 2; the other end of the driving shaft 10 is connected with a sharpening device; the two ends of a driven shaft 11 meshed with a driven chain wheel of the sharpening link chain 4 are fixed in a tensioning block 3 arranged on a chain wheel base 2; the sharpening link chain disk 4 is uniformly provided with a pull rod clamp for fixing the pull rod; the sharpening device consists of a plurality of frustum-shaped grinding wheels 16 arranged between an annular guide plate 15 and a frustum-shaped grinding wheel mounting plate 17.
The chain plate transmission mechanism is formed by connecting a motor synchronous circular arc tooth belt wheel 7 with a synchronous circular arc tooth belt wheel 9 through a double-sided circular arc tooth synchronous belt 8, and the motor synchronous circular arc tooth belt wheel 7 is in transmission connection with the motor 5 through a speed reducer 6.
The sharpening rod chain disk 4 consists of double chains 13 and chain supporting plates 14, the symmetrical double chains 13 are uniformly distributed with alternate chain supporting plates 14, and a fixed pull rod 22 is arranged between the two alternate chain supporting plates 14.
The pull rod clamp 21 is of a rectangular strip structure, longitudinal groove holes 21.1 for fixing the pull rods 22 are longitudinally formed in the rectangular strip structure, transverse grooves 21.2 for accommodating the pull rods 22 are formed in the positions of the near ends of the rectangular strip structure, and screw holes 21.3 for connecting two alternate chain supporting plates 14 through bolts are formed in the positions of the two ends of the rectangular strip structure in the longitudinal direction.
The sharpening device consists of an annular guide plate 15, a frustum-shaped grinding wheel 16 and a frustum-shaped grinding wheel mounting plate 17, and the frustum-shaped grinding wheel mounting plate 17 is fixedly connected with the annular guide plate 15 through a support column; the grinding wheel shaft of each frustum-shaped grinding wheel 16 between the frustum-shaped grinding wheel mounting plate 17 and the annular guide plate 15 passes through a bearing seat 17.1 fixed on the frustum-shaped grinding wheel mounting plate 17 to be connected with a sharpening belt pulley 18, and each sharpening belt pulley 18 is respectively connected with a belt pulley on a sharpening motor through a synchronous belt; the frustum-shaped grinding wheel mounting plate 17 is fixed on the chain wheel base 2 through bolts, and the centers of a plurality of frustum-shaped grinding wheels 16 which are annularly and uniformly distributed on the sharpening device are correspondingly overlapped with the center of the driving shaft.
The frustum-shaped grinding wheel mounting plate 17 is an annular circular plate, a plurality of grinding wheel bearing seat holes for fixing the grinding wheel bearing seats are uniformly distributed on the semicircle on the annular circular plate, and the angle of the position between each grinding wheel bearing seat hole is set to be 33-39 degrees; a pillar mounting hole 20 connected with the annular guide plate 15 is arranged at a position between every two grinding wheel bearing seat holes; the lower semicircle of the annular circular plate is provided with a bolt hole connected with the frame 1, and the central hole arranged at the center of the annular circular plate is correspondingly overlapped with the driving shaft 10.
A sharpening rod chain disk 4 is arranged on a chain disk base 2 on the frame 1, and one end of a driving shaft 10 on a driving chain wheel 12 meshed with the sharpening rod chain disk 4 is connected with a chain disk transmission mechanism on the chain disk base 2; the other end of the driving shaft 10 is connected with a sharpening device; the two ends of a driven shaft 11 meshed with a driven chain wheel of the sharpening link chain 4 are fixed in a tensioning block 3 arranged on a chain wheel base 2; the sharpening link chain disk 4 is uniformly provided with a pull rod clamp for fixing the pull rod; the sharpening device consists of a plurality of frustum-shaped grinding wheels 16 arranged between an annular guide plate 15 and a frustum-shaped grinding wheel mounting plate 17.
A processing method of a subway evacuation platform pull rod sharpening machine comprises the following steps:
a. The pull rod 22 to be sharpened is arranged in the pull rod clamp 21 of the sharpening link chain disk 4 and is aligned by the alignment plate 19;
b. Starting the sharpening machine to operate, and driving a group of pull rods 22 of the pull rod clamp 21, which need to be sharpened, to move along with the movement of the sharpening rod chain disk 4;
c. when the first pull rod moves to the first frustum-shaped grinding wheel position in the rod sharpening mechanism along with the pull rod clamp, the first pull rod 22 is subjected to conical sharpening;
d. When the first pull rod 22 circumferentially moves to the second conical grinding wheel position in the sharpening mechanism, conical sharpening is carried out on the first pull rod; simultaneously, the second pull rod is moved to the first conical grinding wheel position in the sharpening mechanism, and conical sharpening is carried out on the second pull rod 22;
e. When the circumference of the first pull rod moves to the position of a third conical grinding wheel in the sharpening mechanism, conical sharpening is carried out on the first pull rod; simultaneously, the circumference of the second pull rod is moved to the second conical grinding wheel position in the rod sharpening mechanism, and conical sharpening is carried out on the second pull rod; simultaneously moving the third pull rod to the first conical grinding wheel position in the rod sharpening mechanism, and conical sharpening the third pull rod 22;
f. When the circumference of the first pull rod moves to the position of a fourth conical grinding wheel in the sharpening mechanism, conical sharpening is carried out on the first pull rod; simultaneously, the circumference of the second pull rod is moved to the position of the third conical grinding wheel, and conical sharpening is carried out on the second pull rod; simultaneously moving the third pull rod to the second conical grinding wheel position in the rod sharpening mechanism, and carrying out conical sharpening on the third pull rod 22; simultaneously moving the fourth pull rod to the first conical grinding wheel position in the sharpening mechanism, and carrying out conical sharpening on the fourth pull rod;
g. When the circumference of the first pull rod moves to the position of a fifth conical grinding wheel in the rod sharpening mechanism, conical sharpening is carried out on the first pull rod; simultaneously, the second pull rod is circumferentially moved to a fourth conical grinding wheel position in the rod sharpening mechanism, and conical sharpening is carried out on the second pull rod; simultaneously, the circumference of the third pull rod is moved to the position of a third conical grinding wheel in the sharpening mechanism, and conical sharpening is carried out on the third pull rod; simultaneously, the circumference of the fourth pull rod is moved to the position of a second conical grinding wheel in the sharpening mechanism, and conical sharpening is carried out on the fourth pull rod; simultaneously, the fifth pull rod is moved to the first conical grinding wheel position in the sharpening mechanism, and conical sharpening is carried out on the fifth pull rod;
h. When the first pull rod leaves the position of the fifth conical grinding wheel, the conical sharpening is finished, the circumference moves to the lower part of the annular guide plate 15 of the rod sharpening mechanism, and the sharpened first pull rod cone is extracted.
The angle of the first pull rod moving annularly to the position of the second conical grinding wheel in the rod sharpening mechanism is 36 degrees, and the angles of the positions among the second conical grinding wheel, the third conical grinding wheel, the fourth conical grinding wheel and the fifth conical grinding wheel are 36 degrees.
The angle of the first pull rod moving to the second conical grinding wheel position in the rod sharpening mechanism is 36 degrees, and the angles of the second, third, fourth and fifth conical grinding wheels are 36 degrees.
Claims (2)
1. A subway evacuation platform pull rod sharpening machine is characterized in that: comprising the following steps: the device comprises a frame (1), a sharpening rod chain disc (4) and a sharpening device, wherein the sharpening rod chain disc (4) is arranged on a chain disc base (2) on the frame (1), and one end of a driving shaft (10) on a driving chain wheel (12) meshed with the sharpening rod chain disc (4) is connected with a chain disc transmission mechanism on the chain disc base (2); the other end of the driving shaft (10) is connected with a sharpening device; the two ends of a driven shaft (11) on a driven chain wheel meshed with the sharpening rod chain disk (4) are fixed in a tensioning block (3) arranged on a chain disk base (2); a pull rod clamp for fixing the pull rod is uniformly distributed on the sharpening rod chain disk (4); the sharpening device consists of a plurality of frustum-shaped grinding wheels (16) arranged between an annular guide plate (15) and a frustum-shaped grinding wheel mounting plate (17);
the chain disk transmission mechanism is formed by connecting a motor synchronous circular arc toothed belt wheel (7) with a synchronous circular arc toothed belt wheel (9) through a double-sided circular arc toothed synchronous belt (8), and the motor synchronous circular arc toothed belt wheel (7) is in transmission connection with a motor (5) through a speed reducer (6);
the sharpening rod chain disk (4) consists of double chains (13) and chain supporting plates (14), wherein the symmetrical double chains (13) are uniformly provided with alternate chain supporting plates (14), and a fixed pull rod (22) is arranged between the two alternate chain supporting plates (14);
The pull rod clamp (21) is of a rectangular strip structure, longitudinal groove holes (21.1) for fixing the fixed pull rods (22) are longitudinally formed in the rectangular strip structure, transverse grooves (21.2) for accommodating the fixed pull rods (22) are formed in the positions of the near ends of the rectangular strip structure, and screw holes (21.3) for connecting two alternate chain supporting plates (14) through bolts are formed in the positions of the two ends of the rectangular strip structure in the longitudinal direction;
The sharpening device consists of an annular guide plate (15), a frustum-shaped grinding wheel (16) and a frustum-shaped grinding wheel mounting plate (17), and the frustum-shaped grinding wheel mounting plate (17) is fixedly connected with the annular guide plate (15) through a support column; the grinding wheel shaft of each frustum-shaped grinding wheel (16) between the frustum-shaped grinding wheel mounting plate (17) and the annular guide plate (15) passes through a bearing seat (17.1) fixed on the frustum-shaped grinding wheel mounting plate (17) to be connected with a sharpening belt pulley, and each sharpening belt pulley is respectively connected with a belt pulley on the sharpening motor through a synchronous belt; the frustum-shaped grinding wheel mounting plate (17) is fixed on the chain wheel base (2) through bolts, and the centers of a plurality of frustum-shaped grinding wheels (16) which are annularly and uniformly distributed on the sharpening device are correspondingly overlapped with the center of the driving shaft;
The conical frustum-shaped grinding wheel mounting plate (17) is an annular circular plate, a plurality of grinding wheel bearing seat holes are uniformly distributed on a semicircle of the annular circular plate, and the angle of the position between each grinding wheel bearing seat hole is set to be 33-39 degrees; a pillar mounting hole connected with the annular guide plate (15) is arranged at the position between the bearing seat holes of each grinding wheel; the lower semicircle of the annular circular plate is provided with a bolt hole connected with the frame (1), and a central hole arranged in the center of the annular circular plate is correspondingly overlapped with the driving shaft (10);
A sharpening link chain disk (4) is arranged on a chain disk base (2) on the frame (1), and one end of a driving shaft (10) on a driving chain wheel (12) meshed with the sharpening link chain disk (4) is connected with a chain disk transmission mechanism on the chain disk base (2); the other end of the driving shaft (10) is connected with a sharpening device; the two ends of a driven shaft (11) on a driven chain wheel meshed with the sharpening rod chain disk (4) are fixed in a tensioning block (3) arranged on a chain disk base (2); a pull rod clamp for fixing the pull rod is uniformly distributed on the sharpening rod chain disk (4); the sharpening device consists of a plurality of frustum-shaped grinding wheels (16) arranged between an annular guide plate (15) and a frustum-shaped grinding wheel mounting plate (17).
2. The method for processing the subway evacuation platform pull rod sharpening machine according to claim 1, which is characterized in that: the method comprises the following steps:
a. A fixed pull rod (22) to be sharpened is arranged in a pull rod clamp (21) of the sharpening link chain disk (4); the fixed pull rod is aligned through the alignment plate (19);
b. Starting the sharpening machine to operate, and driving a group of fixed pull rods of the pull rod clamp (21) to be sharpened to move along with the movement of the sharpening rod chain disk (4);
c. When the first fixed pull rod moves to the position of the first frustum-shaped grinding wheel in the rod sharpening mechanism along with the pull rod clamp, the first fixed pull rod is sharpened in a conical shape;
d. When the circumference of the first fixed pull rod moves to the position of the second frustum-shaped grinding wheel in the sharpening mechanism, the first fixed pull rod is sharpened in a conical shape; simultaneously, the second fixed pull rod is moved to the position of the first frustum-shaped grinding wheel in the sharpening mechanism, and the second fixed pull rod is sharpened in a conical shape;
e. When the circumference of the first fixed pull rod moves to the position of a third frustum-shaped grinding wheel in the sharpening mechanism, the first fixed pull rod is sharpened in a conical shape; simultaneously, the circumference of the second fixed pull rod is moved to the second frustum-shaped grinding wheel position in the rod sharpening mechanism, and the second fixed pull rod is sharpened in a conical shape; simultaneously moving the third fixed pull rod to the first frustum-shaped grinding wheel position in the rod sharpening mechanism, and carrying out conical sharpening on the third fixed pull rod;
f. When the circumference of the first fixed pull rod moves to the position of a fourth frustum-shaped grinding wheel in the sharpening mechanism, the first fixed pull rod is sharpened in a conical shape; simultaneously, the circumference of the second fixed pull rod is moved to the position of the third conical grinding wheel, and conical sharpening is carried out on the second fixed pull rod; simultaneously moving the third fixed pull rod to the position of a second frustum-shaped grinding wheel in the rod sharpening mechanism, and carrying out conical sharpening on the third fixed pull rod; simultaneously moving the fourth fixed pull rod to the position of the first frustum-shaped grinding wheel in the sharpening mechanism, and carrying out conical sharpening on the fourth fixed pull rod;
g. When the circumference of the first fixed pull rod moves to the position of a fifth frustum-shaped grinding wheel in the rod sharpening mechanism, the first fixed pull rod is sharpened in a conical shape; simultaneously, the circumference of the second fixed pull rod is moved to the position of a fourth frustum-shaped grinding wheel in the rod sharpening mechanism, and the second fixed pull rod is sharpened in a conical shape; simultaneously, the circumference of the third fixed pull rod is moved to the position of a third frustum-shaped grinding wheel in the sharpening mechanism, and the third fixed pull rod is sharpened in a conical shape; simultaneously, the circumference of the fourth fixed pull rod is moved to the position of a second cone-shaped grinding wheel in the sharpening mechanism, and the fourth fixed pull rod is sharpened in a cone shape; simultaneously, the fifth fixed pull rod is moved to the position of the first frustum-shaped grinding wheel in the sharpening mechanism, and conical sharpening is carried out on the fifth fixed pull rod;
h. When the first fixed pull rod leaves the position of the fifth frustum-shaped grinding wheel, the conical sharpening is finished, the circumference of the first fixed pull rod moves to the lower part of an annular guide plate (15) of the rod sharpening mechanism, and the tapered first fixed pull rod after sharpening is extracted;
The angle of the first fixed pull rod, which moves circumferentially to the position of the second frustum-shaped grinding wheel in the rod sharpening mechanism, is 36 degrees, and the angles of the positions among the second frustum-shaped grinding wheel, the third frustum-shaped grinding wheel, the fourth frustum-shaped grinding wheel and the fifth frustum-shaped grinding wheel are 36 degrees.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910175995.8A CN109926875B (en) | 2019-03-08 | 2019-03-08 | Subway evacuation platform pull rod sharpening machine and processing method |
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| CN201910175995.8A CN109926875B (en) | 2019-03-08 | 2019-03-08 | Subway evacuation platform pull rod sharpening machine and processing method |
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| CN109926875A CN109926875A (en) | 2019-06-25 |
| CN109926875B true CN109926875B (en) | 2024-06-04 |
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| CN112284460A (en) * | 2020-11-25 | 2021-01-29 | 中铁五局集团有限公司 | Subway evacuation platform limit detection device and using method thereof |
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