CN215919135U

CN215919135U - Drilling device convenient to adjust and used for machining automobile end cover

Info

Publication number: CN215919135U
Application number: CN202121819478.9U
Authority: CN
Inventors: 徐龙江; 孔国龙; 孔海国
Original assignee: Hangzhou Weiying Hardware Co ltd
Current assignee: Hangzhou Weiying Hardware Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-03-01
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a drilling device convenient to adjust and used for machining an automobile end cover, which comprises a bottom platform, wherein a bottom cabinet is installed at the top end of the bottom platform, a material receiving box is installed at one side, far away from the bottom cabinet, of the top end of the bottom platform, a material receiving mechanism is arranged at one side of the bottom cabinet above the material receiving box, and a driving mechanism is arranged at the top end of the bottom cabinet. The electric end cover limiting device disclosed by the utility model works through the electric push rod so as to push the U-shaped frame to move towards the left side, meanwhile, the adjusting rod and the limiting wheel can conveniently move towards the same side, so that the limiting wheel is abutted against the outer side of the end cover, meanwhile, the other side of the end cover is pushed against the supporting wheel, therefore, the end cover can be conveniently clamped between the two groups of limiting plates to clamp and limit the end cover, meanwhile, the hinging seat is arranged so that the adjusting rod can rotate around the hinging seat, and then, the distance between the two groups of adjusting rods can be conveniently adjusted, so that the end covers with different diameters can be conveniently limited.

Description

Drilling device convenient to adjust and used for machining automobile end cover

Technical Field

The utility model relates to the technical field of automobile end cover machining, in particular to a drilling device convenient to adjust and used for machining an automobile end cover.

Background

The end cover is generally a cover with an axial dimension larger than a radial dimension, the end cover is mainly arranged behind the motor, the motor and other shells, the quality of the end cover can influence the quality of the motor, and the end cover needs to be subjected to processes of polishing, drilling and the like during manufacturing and production so as to ensure the normal use of the end cover;

chinese patent No. CN209190258U discloses a simple drilling device for machining, which is convenient to adjust, and comprises a workbench, wherein the bottom end of the workbench is fixedly connected with a supporting leg, the top of the workbench is fixedly connected with a workpiece clamp, the top left side of the workbench is fixedly connected with a bevel gear box, the left side wall of the bevel gear box is movably connected with a rotating shaft, the left end of the rotating shaft is fixedly connected with a turntable, the right end of the rotating shaft is fixedly connected with a first bevel gear, the right side lower part of the first bevel gear is engaged with a second bevel gear, the bottom end center of the second bevel gear is fixedly connected with a connecting column, the bottom end of the connecting column is rotatably connected on a bearing, the bearing is fixedly connected with the bottom end of the bevel gear box, the top end center of the second bevel gear is fixedly connected with a first electric telescopic rod, and the upper end of the first electric telescopic rod penetrates through the upper part of the bevel gear box, the utility model has simple and reasonable structure, convenient adjustment and use, low manufacturing cost and strong practicability, and the prior technical scheme has the following defects: among the above-mentioned prior art scheme, when the work piece drills, can only carry out the centre gripping of fixing to end cover or other work pieces through work piece holder spacing, work piece holder is inconvenient to be adjusted, can only the end cover of the unified size of centre gripping, leads to the centre gripping mode comparatively fixed, consequently can influence the application scope of device, based on this, need provide further improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drilling device for machining an automobile end cover, which is convenient to adjust and aims to solve the problem that the limit of the end cover is inconvenient to adjust in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a convenient drilling equipment for processing of adjusting automobile end cover, includes the sill, the sill is installed on the top of sill, the sill top is kept away from one side of sill and is installed and connect the workbin, and connects one side of the sill of workbin top to be provided with receiving mechanism, the top of sill is provided with actuating mechanism, the sill top is close to one side of connecing the workbin and installs from the driving wheel, the central point department of putting on sill top installs a supporting bench, and a supporting bench's top installs the roof, the cylinder is installed on the top of roof, and the diaphragm is installed to the bottom of cylinder, the exhaust-gas tank is all installed to a supporting bench's both sides.

Preferably, the rotating electrical machines is installed to one side of the brace table of waste gas case below, and the one end of rotating electrical machines installs the support frame, the top of support frame is provided with fixture, the dust absorption pump is all installed to the inside bottom of waste gas case, and the one end of dust absorption pump all installs the connecting pipe, the dust absorption spray tube is all installed to the one end of connecting pipe, the filter is installed on the inside top of waste gas case, and the internally mounted of the waste gas case of filter top has the adsorption plate, the inside of adsorption plate evenly is provided with the adsorption tank, and the inside of adsorption tank all fills there is the active carbon granule.

Preferably, the slide is all installed to the inside both sides of brace table, and the inside of slide all is provided with the spout, the equal slidable mounting in inside of spout has the slider, and one side of slider all is connected with the one end of diaphragm, drilling motor is installed to the bottom of diaphragm, and the drill bit is installed to the one end of drilling motor.

Preferably, the receiving mechanism comprises a support plate, the support plate is arranged at the top end of the bottom cabinet, a rotating shaft is movably mounted on one side of the support plate, a connecting plate is movably mounted at the bottom end of the rotating shaft, a feeding plate is movably mounted on one side of the connecting plate, and an electric telescopic rod is movably mounted on one side of the feeding plate.

Preferably, fixture includes electric putter, and electric putter sets up in the top of support frame, U-shaped frame is installed to electric putter's one end, and the both ends of U-shaped frame one side all install articulated seat, the equal movable mounting of one side of articulated seat has the regulation pole, spacing wheel is all installed to the one end of adjusting the pole, the regulating plate is installed on the top of the support frame of electric putter one side, and the limiting plate is all installed to the both sides on regulating plate top, the supporting wheel is all installed to the both sides of limiting plate one side.

Preferably, the outer diameter of the sliding block is smaller than the inner diameter of the sliding groove, and the sliding block and the sliding groove form a sliding structure.

Preferably, actuating mechanism includes servo motor, and servo motor sets up in the outside of end cabinet, servo motor is installed through the shaft coupling to servo motor's output, and the epaxial even winding of axle has the track, the connecting seat is installed on the top of the end cabinet of servo motor top, and one side of connecting seat installs the belt axle, the belt pulley has been cup jointed in the outside of belt axle, and even winding has the conveyer belt on the belt pulley, the belt pulley with from driving wheel through conveyer belt interconnect.

Compared with the prior art, the utility model has the beneficial effects that: the drilling device for machining the automobile end cover convenient to adjust is convenient to adjust, can clamp end covers with different sizes, has the functions of conveying the end covers and automatically discharging, and is convenient to absorb waste gas in the drilling process;

(1) the U-shaped frame is pushed to move towards the left side through the electric push rod, the adjusting rod and the limiting wheel can move towards the same side conveniently, so that the limiting wheel is abutted to the outer side of the end cover, the other side of the end cover is abutted to the supporting wheel conveniently, the end cover is clamped between the two groups of limiting plates conveniently and is clamped and limited, meanwhile, the hinging seat is arranged, so that the adjusting rod can rotate around the hinging seat conveniently, the distance between the two groups of adjusting rods is adjusted conveniently, the end covers with different diameters are limited, the application range of the device is widened, and the drilling efficiency of the end cover is improved;

(2) the shaft and the crawler belt are driven to rotate by the servo motor, so that the belt shaft and the belt pulley can synchronously rotate, the conveying belt can rotate, the end plate with drilled holes can be transported conveniently, meanwhile, the feeding plate can be pushed to turn upwards by the electric telescopic rod, the end plate with drilled holes can be conveniently received, meanwhile, the electric telescopic rod can continuously work, the end plate can be conveniently poured into the receiving box along the feeding plate, the end plate can be conveniently collected, and the working convenience of the device is improved;

(3) through the waste gas of dust absorption pump and connecting pipe and dust absorption spray tube with the drilling in-process production absorb, simultaneously through having set up the filter, be convenient for filter the impurity in the waste gas, simultaneously through having set up adsorption plate and adsorption tank to absorb the peculiar smell in the waste gas, then can be with waste gas normal discharge.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural view of a receiving mechanism according to the present invention;

FIG. 3 is a schematic top view of the clamping mechanism of the present invention;

FIG. 4 is a schematic diagram of the structure at A in FIG. 1 according to the present invention;

FIG. 5 is a schematic diagram of the structure at B in FIG. 1 according to the present invention;

fig. 6 is a schematic perspective view of the bottom cabinet of the present invention.

The reference numerals in the figures illustrate: 1. a base table; 2. a bottom cabinet; 3. a material receiving box; 4. a material receiving mechanism; 401. a support plate; 402. a rotating shaft; 403. a connecting plate; 404. a feeding plate; 405. an electric telescopic rod; 5. a driven wheel; 6. a support frame; 7. a clamping mechanism; 701. an electric push rod; 702. a U-shaped frame; 703. a hinged seat; 704. adjusting a rod; 705. a limiting wheel; 706. an adjusting plate; 707. a limiting plate; 708. a support wheel; 8. a slide plate; 9. a chute; 10. a slider; 11. a top plate; 12. a cylinder; 13. a transverse plate; 14. a drilling motor; 15. a drill bit; 16. an exhaust gas tank; 17. a dust suction pump; 18. a connecting pipe; 19. a dust absorption spray pipe; 20. a rotating electric machine; 21. a drive mechanism; 2101. a servo motor; 2102. a crankshaft; 2103. a crawler belt; 2104. a belt shaft; 2105. a belt pulley; 2106. a conveyor belt; 2107. a connecting seat; 22. a support table; 23. an adsorption plate; 24. an adsorption tank; 25. activated carbon particles; 26. a filter plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention is shown: a drilling device convenient to adjust and used for machining an automobile end cover comprises a bottom platform 1, wherein a bottom cabinet 2 is installed at the top end of the bottom platform 1, a material receiving box 3 is installed at one side, far away from the bottom cabinet 2, of the top end of the bottom platform 1, and a material receiving mechanism 4 is arranged at one side, above the material receiving box 3, of the bottom cabinet 2;

the material receiving mechanism 4 comprises a support plate 401, the support plate 401 is arranged at the top end of the bottom cabinet 2, a rotating shaft 402 is movably mounted on one side of the support plate 401, a connecting plate 403 is movably mounted at the bottom end of the rotating shaft 402, a feeding plate 404 is movably mounted on one side of the connecting plate 403, an electric telescopic rod 405 is movably mounted on one side of the feeding plate 404, and the electric telescopic rod 405 is FDR40 in model number;

specifically, as shown in fig. 1 and 2, when the collecting device is used, the electric telescopic rod 405 works to push the feeding plate 404 to turn upwards so that the end disc falls onto the feeding plate 404, then the electric telescopic rod 405 continues to work so that the feeding plate 404 moves to a certain inclination angle, and then the end disc is poured into the receiving box 3 along the feeding plate 404 and collected;

the top end of the bottom cabinet 2 is provided with a driving mechanism 21;

the driving mechanism 21 comprises a servo motor 2101, the type of the servo motor 2101 is Y90S-2, the servo motor 2101 is connected with mains supply through a conducting wire, the servo motor 2101 is arranged on the outer side of the bottom cabinet 2, the output end of the servo motor 2101 is provided with the servo motor 2101 through a coupling, a caterpillar band 2103 is uniformly wound on the crankshaft 2102, the top end of the bottom cabinet 2 above the servo motor 2101 is provided with a connecting seat 2107, one side of the connecting seat 2107 is provided with a belt shaft 2104, the outer side of the belt shaft 2104 is sleeved with a belt pulley 2105, a conveying belt 2106 is uniformly wound on the belt pulley 2105, and the belt pulley 2105 and the driven wheel 5 are connected with each other through the conveying belt 2106;

specifically, as shown in fig. 1 and 5, when in use, the servo motor 2101 works to facilitate the crankshaft 2102 and the track 2103 to drive the conveyor belt 2106 to rotate, so as to facilitate the conveying of the end cap falling on the conveyor belt 2106;

a driven wheel 5 is arranged on one side of the top end of the bottom cabinet 2 close to the material receiving box 3, and a support table 22 is arranged at the center of the top end of the bottom cabinet 2;

sliding plates 8 are mounted on two sides of the interior of the supporting table 22, sliding grooves 9 are formed in the interior of each sliding plate 8, and sliding blocks 10 are mounted in the interior of each sliding groove 9 in a sliding mode;

the outer diameter of the sliding block 10 is smaller than the inner diameter of the sliding groove 9, and the sliding block 10 and the sliding groove 9 form a sliding structure;

specifically, as shown in fig. 1, when in use, the outer diameter of the sliding block 10 is smaller than the inner diameter of the sliding groove 9, so that the sliding block 10 slides in the sliding groove 9, and the transverse plate 13 moves downwards more stably;

one side of the sliding block 10 is connected with one end of a transverse plate 13, a drilling motor 14 is installed at the bottom end of the transverse plate 13, and a drill bit 15 is installed at one end of the drilling motor 14;

specifically, as shown in fig. 1, when the end cover drilling device is used, the transverse plate 13 moves downwards so that the drilling motor 14 and the drill bit 15 move downwards to the position right above the end cover, then the drilling motor 14 is turned on so that the drill bit 15 rotates, and then the end cover is drilled conveniently;

a top plate 11 is installed at the top end of the support table 22, an air cylinder 12 is installed at the top end of the top plate 11, the type of the air cylinder 12 is SC50X20, a transverse plate 13 is installed at the bottom end of the air cylinder 12, and exhaust gas boxes 16 are installed on two sides of the support table 22;

a rotary motor 20 is installed at one side of a support table 22 below the exhaust gas box 16, the model number of the rotary motor 20 is Y315M-2, the rotary motor 20 is connected with commercial power through a lead, a support frame 6 is installed at one end of the rotary motor 20, and a clamping mechanism 7 is arranged at the top end of the support frame 6;

the clamping mechanism 7 comprises an electric push rod 701, the electric push rod 701 is DT50 in model number, the electric push rod 701 is arranged at the top end of the support frame 6, a U-shaped frame 702 is arranged at one end of the electric push rod 701, hinged seats 703 are arranged at two ends of one side of the U-shaped frame 702, adjusting rods 704 are movably arranged at one side of the hinged seats 703, limiting wheels 705 are arranged at one ends of the adjusting rods 704, an adjusting plate 706 is arranged at the top end of the support frame 6 at one side of the electric push rod 701, limiting plates 707 are arranged at two sides of the top end of the adjusting plate 706, and supporting wheels 708 are arranged at two sides of one side of the limiting plates 707;

specifically, as shown in fig. 1 and fig. 3, when in use, the electric push rod 701 is used for pushing the U-shaped frame 702 to move to the left, and simultaneously the adjusting rod 704 and the limiting wheel 705 are used for moving to the same side, so that the limiting wheel 705 is abutted to the outer side of the end cover, and simultaneously the other side of the end cover is pushed to abut to the supporting wheel 708, so that the end cover is clamped between the two sets of limiting plates 707 for clamping and limiting the end cover, and meanwhile, the hinge base 703 is arranged so that the adjusting rod 704 can rotate around the hinge base 703, so that the distance between the two sets of adjusting rods 704 is adjusted, so that the end covers with different diameters are limited, that is, the application range of the device is improved;

the bottom end of the interior of the waste gas tank 16 is provided with a dust suction pump 17, the type of the dust suction pump 17 is HG-120, one end of each dust suction pump 17 is provided with a connecting pipe 18, one end of each connecting pipe 18 is provided with a dust suction nozzle 19, the top end of the interior of the waste gas tank 16 is provided with a filter plate 26, an adsorption plate 23 is arranged in the interior of the waste gas tank 16 above the filter plate 26, adsorption grooves 24 are uniformly arranged in the adsorption plate 23, and activated carbon particles 25 are filled in the adsorption grooves 24;

specifically, as shown in fig. 1 and 4, in use, the dust suction pump 17 is turned on, dust and debris formed in the drilled hole are sucked into the waste gas tank 16 through the connecting pipe 18 and the dust suction nozzle 19, then the impurities in the waste gas are filtered out through the filter plate 26, and meanwhile, the peculiar smell in the waste gas is sucked through the adsorption plate 23 and the adsorption tank 24, so that the waste gas can be normally discharged.

The working principle is as follows: when the end cover drilling tool is used, firstly, an end cover of a motor is placed on a support frame 6, then an electric push rod 701 is opened, the electric push rod 701 pushes a U-shaped frame 702 to move towards one side close to the end cover, meanwhile, an adjusting rod 704 and a limiting wheel 705 are pushed to move towards the same side, then, the limiting wheel 705 abuts against the outer side of the end cover, meanwhile, the other side of the end cover abuts against a support wheel 708, so that the end cover is clamped between two groups of limiting plates 707, the end cover is clamped and limited, meanwhile, the adjusting rod 704 can rotate around a hinge seat 703, and then, end covers with different diameters can be limited, and drilling can be conveniently carried out on the end cover;

secondly, the cylinder 12 is opened, the transverse plate 13 and the drilling motor 14 are pushed to move downwards, the sliding block 10 slides downwards in the sliding groove 9 to ensure the stability of the movement of the transverse plate 13, then the drilling motor 14 is opened, the drilling motor 14 drives the drill bit 15 to rotate, the transverse plate 13 moves downwards to drill the end cover, after the hole is drilled, the electric push rod 701 drives the limiting wheel 705 to move towards one side far away from the end cover, meanwhile, the rotating motor 20 is opened, the rotating motor 20 drives the supporting frame 6 to turn over, so that the end cover drilled with the hole falls down onto the conveying belt 2106, then, the servo motor 2101 is opened, the crankshaft 2102 and the crawler 2103 are sequentially driven to rotate, then, the belt shaft 2104 and the belt pulley 2105 are driven to rotate, namely, the conveying belt 2106 is driven to rotate, then, the end cover is conveyed towards the right side, meanwhile, the electric telescopic rod 405 is opened, the feeding plate 404 is pushed by the electric telescopic rod 405 to turn over upwards to connect the end cover, the end covers fall into a material receiving box 3 along a feeding plate 404, and the end covers with drilled holes are collected;

finally, in the drilling process, the dust suction pump 17 is turned on, waste gas and waste chips generated by drilling are sucked into the waste gas tank 16 through the connecting pipe 18 and the dust suction spray pipe 19, then the waste gas is blown out by the dust suction pump 17, the waste chips and other impurities in the waste gas are filtered through the filter plate 26, then the waste gas passes through the adsorption plate 23, harmful gas in the waste gas is adsorbed through the adsorption groove 24 inside the adsorption plate 23, the cleanness of the waste gas is ensured, and the waste gas can be normally discharged.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a convenient drilling equipment for processing of car end cover who adjusts, includes base frame (1), its characterized in that: the utility model discloses a pneumatic waste gas tank, including base frame (1), end cabinet (2), material receiving box (3) and one side of end cabinet (2) of end cabinet (3) top are provided with receiving mechanism (4), the top of end cabinet (2) is provided with actuating mechanism (21), end cabinet (2) top is close to one side of material receiving box (3) and installs from driving wheel (5), the central point on end cabinet (2) top puts the department and installs brace table (22), and the top of brace table (22) installs roof (11), cylinder (12) are installed on the top of roof (11), and diaphragm (13) are installed to the bottom of cylinder (12), exhaust-gas tank (16) are all installed to the both sides of brace table (22).

2. The drilling device for machining the automobile end cover convenient to adjust as claimed in claim 1, wherein the drilling device comprises: rotating electrical machines (20) are installed to one side of brace table (22) of waste gas tank (16) below, and the one end of rotating electrical machines (20) installs support frame (6), the top of support frame (6) is provided with fixture (7), dust absorption pump (17) are all installed to the inside bottom of waste gas tank (16), and the one end of dust absorption pump (17) all installs connecting pipe (18), dust absorption spray tube (19) are all installed to the one end of connecting pipe (18), filter (26) are installed on the inside top of waste gas tank (16), and the internally mounted of waste gas tank (16) of filter (26) top has adsorption plate (23), the inside of adsorption plate (23) evenly is provided with adsorption tank (24), and the inside of adsorption tank (24) all fills active carbon particle (25).

3. The drilling device for machining the automobile end cover convenient to adjust as claimed in claim 1, wherein the drilling device comprises: slide (8) are all installed to the inside both sides of brace table (22), and the inside of slide (8) all is provided with spout (9), the equal slidable mounting in inside of spout (9) has slider (10), and one side of slider (10) all is connected with the one end of diaphragm (13), drilling motor (14) are installed to the bottom of diaphragm (13), and drill bit (15) are installed to the one end of drilling motor (14).

4. The drilling device for machining the automobile end cover convenient to adjust as claimed in claim 1, wherein the drilling device comprises: receiving mechanism (4) include extension board (401), and extension board (401) set up in the top of end cabinet (2), one side movable mounting of extension board (401) has pivot (402), and the bottom movable mounting of pivot (402) has connecting plate (403), one side movable mounting of connecting plate (403) has feed table (404), and one side movable mounting of feed table (404) has electric telescopic handle (405).

5. The drilling device for machining the automobile end cover convenient to adjust as claimed in claim 2, wherein the drilling device comprises: fixture (7) include electric putter (701), and electric putter (701) set up in the top of support frame (6), U-shaped frame (702) is installed to the one end of electric putter (701), and articulated seat (703) are all installed at the both ends of U-shaped frame (702) one side, equal movable mounting of one side of articulated seat (703) has regulation pole (704), spacing wheel (705) are all installed to the one end of adjusting pole (704), regulating plate (706) are installed on the top of support frame (6) of electric putter (701) one side, and limiting plate (707) are all installed to the both sides on regulating plate (706) top, supporting wheel (708) are all installed to the both sides of limiting plate (707) one side.

6. The drilling device for machining the automobile end cover convenient to adjust as claimed in claim 3, wherein the drilling device comprises: the outer diameter of the sliding block (10) is smaller than the inner diameter of the sliding groove (9), and the sliding block (10) and the sliding groove (9) form a sliding structure.

7. The drilling device for machining the automobile end cover convenient to adjust as claimed in claim 1, wherein the drilling device comprises: actuating mechanism (21) include servo motor (2101), and servo motor (2101) set up in the outside of end cabinet (2), servo motor (2101) are installed through the shaft coupling to the output of servo motor (2101), and evenly twine on crankshaft (2102) have track (2103), connecting seat (2107) are installed to the top of end cabinet (2) of servo motor (2101) top, and one side of connecting seat (2107) installs belt axle (2104), belt pulley (2105) have been cup jointed in the outside of belt axle (2104), and evenly twine on belt pulley (2105) have conveyer belt (2106), belt pulley (2105) and follow driving wheel (5) are through conveyer belt (2106) interconnect.