CN112896913B - Material rack system for processing triple gear - Google Patents

Abstract

The invention relates to the technical field of gear machining equipment, in particular to a material rack system for triple gear machining. The specific technical scheme is as follows: the rack system for processing the triple gears comprises a conveying table, wherein two rows of parallel rollers are arranged at the bottom of a table board of the conveying table along the length direction of the table board, the roller parts extend out of the top of the table board of the conveying table, two rows of rollers are provided with a rack assembly, the rack assembly is provided with a plurality of gear placing seats, and a driving mechanism for driving the two rows of rollers to rotate simultaneously is arranged below the table board of the conveying table and used for driving the rack assembly to reciprocate along the length direction of the conveying table. The invention solves the problem of poor stability of workpieces on a conveying mechanism in the prior art.

Description

Material rack system for processing triple gear

Technical Field

The invention relates to the technical field of gear machining equipment, in particular to a material rack system for machining a triple gear.

Background

The gear is a common mechanical part for the transmission action in the mechanical and electromechanical industry. In the process of producing and processing the gear, the blank which is not processed and the processed gear need to be replaced.

In the market, gear part production facility uses, mostly adopts manual work or semi-automatic machine to get and trade the work piece, and the required time is long, and mainly relies on manual operation or supplementary completion. The conveying belt is adopted for conveying and replacing the gear or the blank, but the stability of the gear or the blank on the conveying belt is poor, and the manipulator easily causes the workpiece to shift in the clamping process, so that the clamping failure is caused. Moreover, the opening and closing of the conveying belt are intermittent, the moving distance is short every time, and the moving precision cannot be guaranteed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a material rack system for processing a triple gear, which solves the problem of poor stability of a workpiece on a conveying mechanism in the prior art.

In order to realize the purpose, the invention is realized by the following technical scheme:

the invention discloses a material rack system for processing a triple gear, which comprises a conveying table, wherein two rows of parallel idler wheels are arranged at the bottom of a table top of the conveying table along the length direction of the conveying table, the idler wheels partially extend out of the top of the table top of the conveying table, a material rack assembly is arranged on the two rows of idler wheels, a plurality of gear placing seats are arranged on the material rack assembly, and a driving mechanism for driving the two rows of idler wheels to rotate simultaneously is arranged below the table top of the conveying table and used for driving the material rack assembly to reciprocate along the length direction of the conveying table.

Preferably, the stock frame component comprises a placing plate for fixing the gear placing seat, the bottom of the placing plate is provided with mutually parallel transmission plates through a connecting column, the two transmission plates are respectively in contact with two rows of rollers, and the length of each transmission plate is smaller than the total length of each row of rollers.

Preferably, the two sides of the conveying table in the length direction are respectively provided with a fixing strip, an inverted-T-shaped sliding groove is formed in each fixing strip, fixing rods are arranged in the sliding grooves in a sliding mode, one fixing rod on each fixing strip is provided with a photoelectric sensor, the other fixing rod on each fixing strip is provided with a photoelectric receiver, the photoelectric sensors and the photoelectric receivers are symmetrically arranged and correspond to the gear placing seats in each row, and light beams emitted by the photoelectric sensors are located above the gear placing seats.

Preferably, barrier strips are arranged around the conveying table, the fixing strips are arranged on the barrier strips, and the rollers and the material rack components are located in an area defined by the barrier strips.

Preferably, a groove with a downward opening is formed in the bottom of the table top of the conveying table, one rotating shaft of each roller is rotatably arranged on the side wall of the groove through a bearing, the two rows of rollers are symmetrically arranged, and the two symmetrical rollers are fixedly connected through a connecting shaft.

Preferably, a supporting plate is arranged at the top of the groove along the length direction of the groove, and the connecting shaft penetrates through the supporting plate and is fixed with the supporting plate through a bearing.

Preferably, the driving mechanism comprises a worm wheel fixed at the center of each connecting shaft, a worm shaft is arranged below the table top of the conveying table in a rotating mode through a bearing, spiral teeth which are the same as the worm wheel in number and correspond to the worm shaft are arranged on the worm shaft, the worm wheel corresponding to each spiral tooth is meshed with the spiral teeth, and a first motor is arranged at one end of the worm shaft.

Preferably, the driving mechanism comprises grooved wheels fixed at the center of each connecting shaft, an auxiliary wheel and a driving wheel are respectively arranged on one side of the first grooved wheel and one side of the last grooved wheel, a conveying belt is sleeved on each grooved wheel, the auxiliary wheel and the driving wheel, a driving wheel is connected to a wheel shaft of the driving wheel, a second motor is connected to the driving wheel through a belt, and the auxiliary wheel and the driving wheel are both fixed at the bottom of the conveying table through a support.

Preferably, a tensioning assembly is arranged at the inner top of the groove, is positioned above the conveying belt between the two grooved wheels and is in contact with the upper surface of the conveying belt; the tensioning assembly comprises a fixed cylinder with an opening at the bottom, lug plates are symmetrically arranged at the bottom of the fixed cylinder, a tensioning wheel is rotatably arranged between the lug plates, and the tensioning wheel is in contact with the upper surface of the conveying belt.

Preferably, a waist-shaped hole is vertically formed in the ear plate, the tension wheel is rotatably arranged on the connecting rod piece, two ends of the connecting rod piece respectively extend out of the waist-shaped hole and are fixed with a stop block, a support frame shaped like Jiong is fixed on the connecting rod piece positioned at two ends of the tension wheel, an elastic piece is fixed at the top of the support frame, and the other end of the elastic piece is fixed at the inner top of the fixed cylinder; the cross section of the connecting rod piece is square, the center of the connecting rod piece is cylindrical, the tensioning wheel is sleeved at the cylindrical position of the connecting rod piece, and the connecting rod piece moves up and down in the waist-shaped hole.

The invention has the following beneficial effects:

the photoelectric sensor and the photoelectric receiver are arranged on the conveying table, so that the workpieces in each row of gear placing seats are detected, and whether the workpieces exist in the row of gear placing seats is detected. And the material frame component rotates when realizing the roller through the driving mechanism arranged in the process of running on the conveying platform, thereby realizing the stable transportation of the material frame component. Moreover, the material rack assembly is provided with the plurality of gear placing seats, a plurality of workpieces can be processed at one time, and one workpiece is conveyed without being processed. Meanwhile, the driving mechanism of the invention has two arrangements for preventing, one is to realize the simultaneous rotation of all the rollers by a worm gear way, the other is to realize the simultaneous rotation of all the rollers by a conveying belt transmission way, and the stable transportation of the material frame assembly can be realized no matter what way.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a top view of the carrier assembly of FIG. 1 with the carrier assembly removed;

FIG. 3 is a schematic view of a magazine assembly;

FIG. 4 is a view taken along line A-A of FIG. 1 (one arrangement of a drive mechanism);

FIG. 5 is a view taken along line B-B of FIG. 4;

FIG. 6 is a view taken along line C-C of FIG. 5;

FIG. 7 is another arrangement of the drive mechanism, from the perspective of FIG. 5;

FIG. 8 is a view from direction D-D of FIG. 7;

FIG. 9 is an enlarged view of portion A of FIG. 8;

FIG. 10 is a view from E-E in FIG. 9;

FIG. 11 is an enlarged view of the layout B in FIG. 10;

FIG. 12 is a schematic view of the tension assembly from the perspective of FIG. 8;

FIG. 13 is a schematic view of the link member structure;

in the figure: the device comprises a conveying platform 1, a roller 2, a gear placing seat 3, a placing plate 4, a connecting column 5, a transmission plate 6, a fixing strip 7, a fixing rod 8, a photoelectric sensor 9, a photoelectric receiver 10, a blocking strip 11, a groove 12, a connecting shaft 13, a supporting plate 14, a worm wheel 15, a worm shaft 16, a spiral tooth 17, a first motor 18, a grooved wheel 19, an auxiliary wheel 20, a driving wheel 21, a conveying belt 22, a second motor 23, a support 24, a fixing cylinder 25, an ear plate 26, a tensioning wheel 27, a kidney-shaped hole 28, a connecting rod piece 29, a stop block 30, a supporting frame 31, an elastic piece 32, a supporting rod 33, a blocking column 34, an operating groove 35 and a base plate 36.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Unless otherwise indicated, the technical means used in the examples are conventional means well known to those skilled in the art.

Referring to fig. 1-3, the invention discloses a rack system for triple gear processing, which comprises a conveying table 1, wherein two rows of rollers 2 which are parallel to each other are arranged at the bottom of a table top of the conveying table 1 along the length direction of the table top, the rollers 2 partially extend out of the top of the table top of the conveying table 1, a rack assembly is arranged on the two rows of rollers 2, a plurality of gear placing seats 3 are arranged on the rack assembly, and a driving mechanism for driving the two rows of rollers 2 to rotate simultaneously is arranged below the table top of the conveying table 1 and used for driving the rack assembly to reciprocate along the length direction of the conveying table 1.

Specifically, the method comprises the following steps: the material frame subassembly is including being used for the fixed gear to place 3 place the board 4 of placing, and the gear is placed 3 neatly ranges and is fixed on placing board 4, and the gear is placed seat 3 and is the cylindricality, and operating groove 35 has been seted up to both sides, and the centre is sunken, and the edge forms annular fender platform, and gear or blank are placed in gear fixing base 3's is sunken, and the annular fender platform at edge is spacing to it, and operating groove 35 is convenient for the manipulator snatchs gear or blank. The bottom of placing board 4 is provided with the driving plate 6 that is parallel to each other through spliced pole 5, two driving plates 6 respectively with two gyro wheels 2 contact, the length of driving plate 6 is less than the total length of every gyro wheel 2. When the two rows of rollers 2 rotate simultaneously, the transmission plate 6 drives the gear placing base 3 to reciprocate on the conveying platform 1 along the rollers 2.

Further, carry 1 length direction's of platform both sides to be provided with fixed strip 7 respectively, seted up the type of falling T spout on the fixed strip 7, it is provided with dead lever 8 to slide in the spout, and dead lever 8 is the telescopic link of optional to adjust its height. A photoelectric sensor 9 is arranged on the fixing rod 8 on one fixing strip 7, a photoelectric receiver 10 is arranged on the fixing rod 8 on the other fixing strip 7, the photoelectric sensors 9 and the photoelectric receivers 10 are symmetrically arranged and correspond to each row of the gear placing seats 3, and light beams emitted by the photoelectric sensors 9 are positioned above the gear placing seats 3. On the conveying platform 1 with the fixed strip 7 homonymy, be provided with several bumping post 34 respectively for spacing to the stock shelf subassembly, several bumping post 34 is on same straight line, and just two mutual parallel arrangement of bumping post 34. It should be noted that: the end section of one end of the fixed rod 8 is in an inverted T shape and is matched with the sliding groove, so that the fixed rod 8 slides along the sliding groove. In order to increase the stability of the fixing rod 8, a backing plate 36 is fixed on the circumferential direction of the fixing rod 8, and the backing plate 36 abuts against the upper surface of the fixing strip 7, so that the stability of the fixing rod 8 in the sliding process is increased, and the photoelectric sensor 9 and the photoelectric receiver 10 are prevented from being dislocated.

In order to explain the corresponding position relationship of the sensor of the present invention, the following examples are given. In this embodiment, the gear placing seats 3 are arranged on the placing plate 4 in a 4 × 4 manner, each fixing strip 7 is provided with 4 fixing rods 8, the fixing rods 8 on the same side are respectively provided with a photoelectric sensor 9 and a photoelectric receiver 10, and the sensors correspond to the receivers one to one. When the stock shelf assembly moves to the area between the two fixing strips 7, a row of gear placing seats 3 corresponds to the space between the corresponding sensor and the corresponding receiver, and the height of the light beam emitted by the photoelectric sensor 9 is higher than that of the gear placing seats 3, so that whether gears or blanks exist in the gear placing seats 3 on the transverse row or not is detected. In the practical application process, the material rack system disclosed by the invention is provided with two sets in parallel, wherein one set is used for placing blanks and the other set is used for placing gears. According to the difference in height of blank and gear, the height of dead lever 8 is adjusted to detect whether the work piece of co-altitude is placed in a whole row of gear seat 3. In the invention, the area of the conveying platform 1 corresponding to the photoelectric sensor 9 and the photoelectric receiver 10 is a working area, the manipulator clamps a blank or a gear on the stock frame assembly in the area, and the other end of the conveying platform 1 corresponding to the area is a blanking area.

Furthermore, in order to avoid the material rack assembly from falling off from the conveying table 1 in the operation process, barrier strips 11 are arranged around the conveying table 1, the fixing strips 7 and the barrier columns 34 are respectively arranged on the barrier strips 11, the rollers 2 and the material rack assembly are both positioned in an area surrounded by the barrier strips 11, and the length of the material rack assembly (the placing plate 4) is smaller than that of the conveying table 1.

Further, the bottom of the table top of the conveying table 1 is provided with a groove 12 with a downward opening, one of the rotating shafts of the rollers 2 is rotatably arranged on the side wall of the groove 12 through a bearing, the two rows of rollers 2 are symmetrically arranged, and the two symmetrical rollers 2 are fixedly connected through a connecting shaft 13. It should be noted that: the central shafts of the two rows of rollers 2 are symmetrical, the two symmetrical rollers 2 are connected through the connecting shaft 13, the other shaft of the roller 2 is fixed in the side wall of the groove 12 through a bearing, and when the connecting shaft 13 rotates, the two rollers 2 can be driven to rotate simultaneously. In order to increase the stability of the roller 2, a supporting plate 14 is arranged at the inner top of the groove 12 along the length direction, the connecting shaft 13 penetrates through the supporting plate 14 and is fixed with the supporting plate 14 through a bearing, namely, the connecting shaft 13 is fixed in an inner ring of the bearing, and a hole is formed in the supporting plate 14 and used for fixing an outer ring of the bearing in the hole, so that the connecting shaft 13 can rotate freely. Preferably, the support plates 14 are symmetrically disposed at two positions adjacent to the rollers 2, respectively, so as to give a good supporting force to each roller 2.

In the invention, the driving mechanism has two setting modes, one mode is that each roller 2 rotates simultaneously through the cooperation between the worm and the gear; the other type is that the mode through the conveyer belt transmission realizes that every gyro wheel 2 rotates simultaneously, and no matter which kind of mode can both guarantee 2 pivoted stability of gyro wheel, further guarantees the stability of driving plate 6 (stock frame subassembly) in transmission process.

One of the setting modes is as follows: referring to fig. 4-6, the driving mechanism includes a worm wheel 15 fixed at the center of each connecting shaft 13, the connecting shaft 13 passes through and is fixed on the axis of the worm wheel 15, a worm shaft 16 is rotatably arranged below the table top of the conveying table 1 through a bearing, that is, both ends of the worm shaft 16 respectively penetrate through both side plates in the width direction of the conveying table 1, and are fixed to the side walls respectively through bearings, so that the worm shaft 16 can rotate relative to the side plates, a first motor 18 is fixed to one end of the worm shaft 16, the worm shaft 16 is rotated by the first motor 18, and the worm shaft 16 is provided with the same number of spiral teeth 17 as the number of the worm wheels 15, each worm wheel 15 corresponding to the spiral teeth 17 is engaged with the spiral teeth 17, when the worm shaft 16 rotates, the spiral teeth 17 on the worm shaft 16 drive the worm wheel 15 to rotate, and further the connecting shaft 13 drives the two rollers 2 connected with the connecting shaft to rotate simultaneously; meanwhile, as each worm wheel 15 is meshed with the spiral teeth 17, when the worm shaft 16 rotates, all the spiral teeth 17 on the worm shaft 16 can drive all the worm wheels 15 to rotate at the same time, so as to drive all the rollers 2 to rotate at the same time, and the material rack assembly is driven to stably run on two rows of the rollers 2. The stock shelf assembly is then reciprocated on the table 1 by controlling the forward and reverse rotation of the first motor 18.

Furthermore, in order to avoid the conveyor table 1 being too long and making it difficult for the worm shaft 16 to drive all the connecting shafts 13 to rotate, a bearing is sleeved and fixed on the worm shaft 16 between the two spiral teeth 16, a supporting rod 33 is fixed at the bottom of the bearing, and the other end of the supporting rod 33 is fixed below the conveyor table 1, so as to support the worm shaft 16. Of course, the number of the support rods 33 may be plural depending on the length of the worm shaft 16.

Another setting mode is as follows: referring to fig. 7-13, the driving mechanism includes grooved wheels 19 fixed at the center of each connecting shaft 13, auxiliary wheels 20 and driving wheels 21 are respectively disposed at one side of the first and last grooved wheels 19, a conveying belt 22 is sleeved on the grooved wheels 19, the auxiliary wheels 20 and the driving wheels 21, a driving wheel is connected to a wheel shaft of the driving wheel 21, a second motor 23 is connected to the driving wheel through a belt, and the auxiliary wheels 20 and the driving wheels 21 are fixed at the bottom of the conveying table 1 through a bracket 24. It should be noted that: the auxiliary wheel 20 and the driving wheel 21 are arranged below the grooved wheel 19, and the distance between the auxiliary wheel 20 and the driving wheel 21 is greater than the total length of all the grooved wheels 19, so that the auxiliary wheel 20 and the driving wheel 21 tighten the conveying belt 22 on the grooved wheels 19, that is, all the grooved wheels 19 are positioned in the inner ring of the conveying belt 22 and are in contact with the inner ring of the conveying belt 22 to be tightened, so that the second motor 23 drives the driving wheel 21 to drive all the grooved wheels 19 to rotate simultaneously, and finally all the rollers 2 rotate simultaneously, and the reciprocating motion of the material rack assembly on the conveying table 1 is realized by controlling the forward and reverse rotation of the second motor 23. The end of the bracket 24 is in a connecting fork structure, a wheel shaft is arranged between the two connecting lugs, and the auxiliary wheel 20 and the driving wheel 21 are arranged on the wheel shaft and can rotate relative to the wheel shaft or rotate together on the bracket 24 along with the wheel shaft.

Further, in order to prevent the conveying belt 22 from being disengaged from the individual sheave 19 or from being not tightened with the sheave 19 during use, the roller 2 on the connecting shaft 13 where the sheave 19 is located cannot rotate, or the rotating speed of the roller does not accord with that of other sheaves 19, so that the conveying of the material rack assembly is influenced. Thus, at the inner top of the groove 12, a tensioning assembly is provided, which is located above the conveyor belt 22 between the two sheaves 19 and is in contact with the upper surface of the conveyor belt 22. Specifically, the method comprises the following steps: the tensioning assembly comprises a fixed cylinder 25 with an opening at the bottom, lug plates 26 are symmetrically arranged at the bottom of the fixed cylinder 25, a tensioning wheel 27 is rotatably arranged between the lug plates 26, and the tensioning wheel 27 is in contact with the upper surface of the conveying belt 22. In order to better ensure that each sheave 19 rotates simultaneously, a tensioning assembly is arranged between two adjacent sheaves 19.

Further, to enable the tensioning action of the tensioning assembly on the conveyor belt 22 to be automatically adjusted, the tensioning assembly is configured to be resilient. The method comprises the following specific steps: waist-shaped holes 28 are respectively vertically arranged on the ear plates 26, the tension wheel 27 is rotationally arranged on the connecting rod piece 29, two ends of the connecting rod piece 29 respectively extend out of the waist-shaped holes 28 and are fixed with a stop 30, and the length of the stop 30 is larger than the width of the waist-shaped holes 28, so that the connecting rod piece 29 is prevented from being separated from the waist-shaped holes 28. The link member 29 carries the tension pulley 27 up and down along the kidney hole 28.

Further, in order to prevent the link member 29 from rotating in the kidney hole 28 together with the tension pulley 27, there is a possibility that the stopper 30 hits the fixed cylinder 25. The cross section of the connecting rod piece 29 is set to be square, the center of the connecting rod piece 29 is cylindrical, the diameter of the cylindrical is smaller than the minimum side length of the square position of the connecting rod piece 29, the tension wheel 27 is sleeved at the cylindrical position of the connecting rod piece 29 and can rotate at the cylindrical position, and the square position of the connecting rod piece 29 can only move up and down in the kidney-shaped hole 28 but cannot rotate in the kidney-shaped hole 28.

The link 29 between the two ear plates 26 and at both ends of the tension wheel 27 is fixed with a support frame 31 in the shape of "Jiong", the tension wheel 27 is located in the frame of the support frame 31 at the upper part of the link 29, the rotation of the tension wheel 27 does not affect the support frame 31, the top of the support frame 31 is fixed with an elastic element 32, and the other end of the elastic element 32 is fixed at the inner top of the fixed cylinder 25. The elastic member 32 is preferably a spring, which allows the tension wheel 27 to move upward along the waist-shaped hole 28 according to the force applied by the belt 22 to the tension wheel 27, thereby flexibly adjusting the tension of the belt 22 by the tension wheel 27.

Furthermore, in the invention, a speed-limiting sensor and a limiting sensor are arranged on the table surface of the conveying table 1, so that the running speed and the running position of the material rack component can be detected, and the arrangement positions and the number of the two sensors are arranged according to actual conditions.

It should also be noted that: set up several through-hole not of uniform size on gear placing seat 3, but the optional spacing post that inserts in the through-hole to carry out better location to blank or gear.

When the blank placing device is used, finished products after machining of blanks on one placing plate 4 are placed in the gear placing seats 3 in the other material rack system until the blanks are machined, and the gear placing seats 3 in the other material rack system are filled with the finished products. At this time, the first motor 18 or the second motor 23 is started, and the stock shelf assembly is transported to the other end of the conveying platform 1 for blanking.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are only intended to illustrate the preferred embodiments of the present invention, and not to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims (6)

1. A rack system for processing of triple gear, including carrying platform (1), its characterized in that: two rows of mutually parallel rollers (2) are arranged at the bottom of the table top of the conveying table (1) along the length direction of the conveying table, the rollers (2) partially extend out of the top of the table top of the conveying table (1), a material rack assembly is arranged on the two rows of rollers (2), a plurality of gear placing seats (3) are arranged on the material rack assembly, and a driving mechanism for driving the two rows of rollers (2) to rotate simultaneously is arranged below the table top of the conveying table (1) and used for driving the material rack assembly to reciprocate along the length direction of the conveying table (1);

a groove (12) with a downward opening is formed in the bottom of the table top of the conveying table (1), one rotating shaft of each roller (2) is rotatably arranged on the side wall of the groove (12) through a bearing, the two rows of rollers (2) are symmetrically arranged, and the two symmetrical rollers (2) are fixedly connected through a connecting shaft (13); a supporting plate (14) is arranged at the inner top of the groove (12) along the length direction of the groove, and the connecting shaft (13) penetrates through the supporting plate (14) and is fixed with the supporting plate (14) through a bearing;

the driving mechanism comprises grooved wheels (19) fixed at the center of each connecting shaft (13), an auxiliary wheel (20) and a driving wheel (21) are respectively arranged on one side of the first grooved wheel (19) and one side of the last grooved wheel (19), a conveying belt (22) is sleeved on each grooved wheel (19), each auxiliary wheel (20) and each driving wheel (21), a driving wheel is connected to a wheel shaft of each driving wheel (21), a second motor (23) is connected to each driving wheel through a belt, and each auxiliary wheel (20) and each driving wheel (21) are fixed to the bottom of the conveying table (1) through a support (24).

2. The rack system for triple gear processing of claim 1, wherein: the material rack component comprises a placing plate (4) used for fixing the gear placing seat (3), wherein transmission plates (6) which are parallel to each other are arranged at the bottom of the placing plate (4) through connecting columns (5), the two transmission plates (6) are respectively in contact with two rows of rollers (2), and the length of each transmission plate (6) is smaller than the total length of each row of rollers (2).

3. The rack system for triple gear processing of claim 1, wherein: carry platform (1) length direction's both sides to be provided with fixed strip (7) respectively, the type of falling T spout has been seted up on fixed strip (7), it is provided with dead lever (8) to slide in the spout, one of them be provided with photoelectric sensing ware (9) on dead lever (8) on fixed strip (7), another be provided with photoelectric receiving ware (10) on dead lever (8) on fixed strip (7), photoelectric sensing ware (9) and photoelectric receiving ware (10) symmetry set up to with every row seat (3) are placed to the gear is corresponding, just the light beam that photoelectric sensing ware (9) sent is located the top that seat (3) were placed to the gear.

4. The stack system for triple gear processing according to claim 3, wherein: the conveying table is characterized in that barrier strips (11) are arranged on the periphery of the conveying table (1), the fixing strips (7) are arranged on the barrier strips (11), and the rollers (2) and the material frame components are located in an area surrounded by the barrier strips (11).

5. The stack system for triple gear processing according to claim 1, wherein: the inner top of the groove (12) is provided with a tensioning assembly which is positioned above the conveying belt (22) between the two grooved wheels (19) and is in contact with the upper surface of the conveying belt (22); tensioning assembly includes bottom open-ended fixed section of thick bamboo (25), the bottom symmetry of fixed section of thick bamboo (25) is provided with otic placode (26), it is provided with take-up pulley (27) to rotate between otic placode (26), take-up pulley (27) and the upper surface contact of conveyer belt (22).

6. The stack system for triple gear processing according to claim 5, wherein: a waist-shaped hole (28) is vertically formed in the ear plate (26), the tension wheel (27) is rotatably arranged on the connecting rod piece (29), two ends of the connecting rod piece (29) respectively extend out of the waist-shaped hole (28) and are fixed with a stop block (30), a support frame (31) shaped like Jiong is fixed on the connecting rod piece (29) at two ends of the tension wheel (27), an elastic piece (32) is fixed at the top of the support frame (31), and the other end of the elastic piece (32) is fixed at the inner top of the fixed cylinder (25); the cross section of the connecting rod piece (29) is square, the center of the connecting rod piece (29) is cylindrical, the tensioning wheel (27) is sleeved at the cylindrical position of the connecting rod piece (29), and the connecting rod piece (29) moves up and down in the waist-shaped hole (28).

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