CN217024395U - Automatic transfer line for hub machining - Google Patents

Abstract

The utility model discloses an automatic transfer line for hub processing, which comprises a mechanical arm, a feeding line for transporting hubs, a discharging line for transporting the hubs and a clamping assembly capable of transporting the hubs from the feeding line to the discharging line, wherein the clamping assembly is connected to the mechanical arm through a rack and comprises a fixing plate and two first linear modules, the two first linear modules are elastically connected with two clamping wheels, and a first driving part can drive the two first linear modules to move through a connecting part so as to fix or unfix the hubs positioned between the two clamping wheels; the discharge line comprises a support column and a positioning assembly capable of fixing the support column, the positioning assembly comprises a second linear module, the end of the second linear module is connected with a clamping arm assembly, and a second driving piece can drive the clamping arm assembly to rotate so as to fix the support column. The utility model solves the technical problems that the hub is difficult to carry manually and the hub cannot be accurately aligned.

Description

Automatic transfer line for hub machining

Technical Field

The utility model relates to the field of shifting, in particular to an automatic shifting line for hub machining.

Background

In the production process of the low-pressure casting hub blank, the hub blank needs to be turned into a specific size and a specific shape by machining so as to reach the design standard. In the actual working process, an operator is required to manually clamp the wheel hub blank on the discharge line by himself and fix the wheel hub blank, the machining step is carried out, the operator is required to manually lift the wheel hub blank by 40-60cm from a low position in the process of clamping the wheel hub blank, then the wheel hub blank is positioned and clamped according to the support columns on the discharge line, in the process, the physical strength loss of workers is serious, certain potential safety hazards exist, and particularly, the operating strength of the workers is further increased for large-size wheel types such as 20 inches, 22 inches and 24 inches, the single weight of the blank is about 40-50 kg.

Similarly, the ejection of compact line can lead to the support column to appear rocking in the transportation, and then influences the precision that wheel hub placed on the support column for wheel hub not only can't be quick place on the support column, but also can collide with the support column, thereby cause the damage to the wheel hub surface.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides an automatic transfer line for hub machining, which can be used for rapidly and accurately carrying hubs and improving the working efficiency.

The technical scheme of the utility model is as follows: an automatic transfer line for hub machining comprises a mechanical arm, a feeding line for conveying hubs, a discharging line for conveying the hubs, and a clamping assembly capable of conveying the hubs from the feeding line to the discharging line, wherein the clamping assembly is connected to the mechanical arm through a rack,

the clamping assembly comprises a fixed plate and two first linear modules symmetrically arranged on and connected with the fixed plate, the two first linear modules are elastically connected with two clamping wheels, and a first driving piece is arranged between the two first linear modules; the first driving piece can drive the two first linear modules to mutually approach or separate along the length direction of the fixing plate through the connecting piece so as to fix or release the hub positioned between the two clamping wheels;

discharge line include track and sliding connection in orbital support column, orbital one side is equipped with can be with the fixed locating component of support column, locating component includes a plurality of stands, connect in the panel of a plurality of stand tip and connect in No. two sharp modules of panel, the end connection of No. two sharp modules has arm lock subassembly, one side of arm lock subassembly is equipped with the driving piece No. two, No. two driving pieces can drive arm lock subassembly rotates to fix the support column, make the centre gripping subassembly can carry the wheel hub of feed line to discharge line through the arm.

Furthermore, the connecting piece includes connecting block and the gear shaft of rotation connection in the connecting block, the symmetry formula is equipped with in the connecting block and cooperates two racks that the gear shaft used, two the rack with the gear shaft meshing, and two the one end of rack is respectively through L-shaped piece with straight line module is connected.

Furthermore, the bottom of the fixing plate is connected with a limiting block matched with the rack for use, and the limiting block is positioned on one side of the L-shaped block.

Further, the centre gripping subassembly is equipped with two sets ofly and includes left holder and right holder respectively, the structure of left holder and right holder is the same.

Furthermore, the clamping arm assembly is provided with two sets and comprises a left clamping arm assembly and a right clamping arm assembly, and the structure of the left clamping arm assembly is the same as that of the right clamping arm assembly.

Furthermore, a left side arm lock subassembly includes an arm lock and No. two arm locks, an arm lock and No. two arm locks all rotate connect in No. two sharp modules, an arm lock and No. two arm locks respectively through synchronous linkage connecting rod with right arm lock subassembly swing joint.

Furthermore, the right clamping arm assembly comprises a third clamping arm and a fourth clamping arm, and the third clamping arm and the fourth clamping arm are both rotatably connected to the second linear module; the first clamping arm is connected with the third clamping arm through a synchronous linkage connecting rod, and the second clamping arm is connected with the fourth clamping arm through a synchronous linkage connecting rod.

Further, No. two driving pieces are provided with two sets of driving pieces and include No. two left driving pieces and No. two right driving pieces, the flexible end of No. two left driving pieces with No. two arm lock swing joints, the flexible end of No. two right driving pieces with No. three arm lock swing joints.

Furthermore, one side of panel is equipped with the photoelectric sensing ware, the photoelectric sensing ware with No. two sharp module signal connection.

Further, the distance between the support columns is the same.

The beneficial technical effects of the utility model are as follows:

1. the left clamping piece and the right clamping piece are symmetrically arranged at the bottom of the fixing plate, and a double-station mode is adopted, so that the efficiency of clamping and carrying the wheel hub is improved.

2. Press from both sides the wheel through a sharp module sliding connection in the bottom of fixed plate, be equipped with the connecting piece between two sharp modules simultaneously, make two press from both sides the wheel can alternate segregation or be close to through the connecting piece, synchronous motion to wheel hub that will be located between two clamp wheels carries out the centre gripping fixed, has improved fixed stability.

3. A driving piece is located the below of connecting piece, the one end and the sharp module fixed connection of a driving piece, and when one of them sharp module horizontal motion of a driving piece drive, the existence through the connecting piece makes another sharp module synchronous motion to two mutual separations or being close to of pressing from both sides the wheel have been reached.

4. The clamping wheel is elastically connected with the first straight line module, and when the height of the wheel hub is lower, the clamping wheel cannot impact the ground in the descending process.

5. The two racks are respectively meshed with the gears, and can horizontally move in a staggered manner through the gears, so that the two clamping wheels can be close to or separated from each other.

6. The distances among the support columns are the same, and the hub is convenient to place on the support columns one by one for transportation in a full-automatic mode.

7. One side of panel is equipped with photoelectric sensing ware, and wherein, photoelectric sensing ware and sharp module signal connection, through the position of photoelectric sensing ware response support column, recycle sharp module cooperation and use to can be more accurate place wheel hub's support column fixed to needs, guarantee that wheel hub can be accurate place on the support column.

8. The straight line module can be along the length direction horizontal migration of panel, is convenient for adjust locating component's position to can be more accurate fix the support column that needs placed wheel hub.

9. No. one arm lock, No. two arm locks, No. three arm lock and No. four arm locks all rotate to be connected in sharp module, and simultaneously, No. one arm lock is connected through synchronous linkage connecting rod with No. three arm locks, and No. two arm locks are connected through synchronous linkage connecting rod with No. four arm locks, utilize synchronous linkage connecting rod to carry out the centre gripping simultaneously to two support columns fixed, and then improved wheel hub's the efficiency of placing.

10. The flexible end and No. two arm lock swing joint of left side driving piece, the flexible end and No. three arm lock swing joint of right side driving piece because the existence of synchronous linkage connecting rod can drive an arm lock and No. four arm lock rotations when No. two arm lock and No. three arm lock rotate in step to the completion is fixed to the centre gripping on support column surface.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to make the technical solutions of the present invention practical in accordance with the contents of the specification, the following detailed description is given of preferred embodiments of the present invention with reference to the accompanying drawings.

Drawings

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

FIG. 2 is a schematic view of the connection between the clamping assembly and the frame according to the present invention;

FIG. 3 is a schematic view of the structure of the left clamp of the present invention;

FIG. 4 is a bottom view of the left clamp of the present invention;

FIG. 5 is a schematic view of the construction of the connector of the present invention;

FIG. 6 is a schematic view of the rack-and-pinion shaft engagement structure of the present invention;

fig. 7 is a schematic structural view of the clamp wheel elastically connected to the first linear module according to the present invention.

FIG. 8 is a schematic view of the overall structure of the present invention;

FIG. 9 is a schematic structural view of a positioning assembly of the present invention;

FIG. 10 is a top view of the positioning assembly of the present invention.

The reference signs are:

1. a mechanical arm; 2. a frame; 21. a left clamp; 211. a fixing plate; 212. a first linear module; 213. a pinch roller; 214. a first driving member; 215. a connecting member; 216. a limiting block; 217. connecting blocks; 218. a gear shaft; 219. a rack; 220. an L-shaped block; 221. connecting sleeves; 222. a spring; 223. a support bar; 22. a right clamping member; 3. a hub; 4. a track; 5. a support column; 6. a positioning assembly; 61. a column; 62. a panel; 63. a second linear module; 64. a photoelectric sensor; 65. a right drive member; 66. a left clamp arm assembly; 661. a first clamping arm; 662. a second clamping arm; 663. a synchronous linkage connecting rod; 67. a right clamp arm assembly; 671. a third clamping arm; 672. a fourth clamping arm; 68. a left driving member; 69. a T-shaped block; 7. a feed line; 8. and (6) discharging the material line.

Detailed Description

In order to make the technical means of the present invention clearer and to make the technical means of the present invention capable of being implemented according to the content of the specification, the following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples, which are provided for illustrating the present invention and are not intended to limit the scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the application herein.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship described based on the embodiments and shown in the drawings, or the orientation or positional relationship that the utility model is usually put in when used, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

As shown in fig. 1, the present invention specifically relates to an automated transfer line for hub machining, which includes a robot arm 1, a feeding line 7 for transporting a hub 3, a discharging line 8 for transporting a hub 3, and a clamping assembly capable of transporting the hub 3 from the feeding line 7 to the discharging line 8, wherein the clamping assembly is connected to the robot arm 1 through a frame 2.

Arm 1 drives the centre gripping subassembly through frame 2 and moves to the top of feed line 7, carries out the centre gripping with wheel hub 3 in the feed line 7 fixed to wheel hub 3 after will fixing is carried to the top of ejection of compact line 8, places wheel hub 3 in ejection of compact line 8 again, transports wheel hub through ejection of compact line 8.

Wherein, the structure of feed line 7 is the same with the structure of ejection of compact line 8, all is the mechanism that can transport wheel hub 3.

As shown in fig. 2, the clamping assembly is connected to the bottom of the frame 2, the clamping assembly is provided with two groups of left clamping members 21 and right clamping members 22, and the left clamping members 21 and the right clamping members 22 are symmetrically connected to the bottom of the frame 2;

the structure of the left clamping piece 21 is the same as that of the right clamping piece 22, and the bottom of the frame 2 adopts a double-station mode to clamp and fix the hub 3, so that the working efficiency is improved.

As shown in fig. 2, 3 and 4, the left clamping member 21 includes a fixing plate 211 fixedly connected to the frame 2 and two clamping rollers 213 symmetrically connected to a lower portion of the fixing plate 211, the two clamping rollers 213 are slidably connected to the fixing plate 211 through a first linear module 212 respectively and can horizontally move along a length direction of the fixing plate 211, and a connecting member 215 is disposed between the first linear modules 212;

as shown in fig. 4, a first driving member 214 is further disposed at the bottom of the fixing plate 211, and the first driving member 214 can drive the two first linear modules 212 to move through the connecting member 215 and drive the two clamping wheels 213 to move, so that the two clamping wheels 213 are separated or close to each other, so as to clamp and fix the hub 3 placed between the two clamping wheels 213.

The clamping wheel 213 can be slidably connected with the fixing plate 211 through the first linear module 212, and can horizontally move along the length direction of the fixing plate 211. Meanwhile, the first linear module 212 and the clamping wheel 213 are provided with two groups, and the two groups of the first linear module 212 and the clamping wheel 213 are symmetrically arranged at the bottom of the fixing plate 211.

The two first linear modules 212 are connected through a connecting piece 215, and the first driving piece 214 positioned at the bottom of the fixing plate 211 can enable the two clamping wheels 213 to approach or separate from each other through the connecting piece 215, so that the hub 3 positioned between the two clamping wheels 213 can be clamped or loosened.

As shown in fig. 4 and 5, the connecting member 215 includes a gear shaft 218 rotatably connected to the inside of the connecting block 217 through a connecting block 217, two racks 219 are symmetrically disposed inside the connecting block 217 to be engaged with the gear shaft 218, and the racks 219 are engaged with the gear shaft 218.

As shown in fig. 6, the rack 219 and the gear shaft 218 are used in cooperation, so that the precision and smoothness of the movement are improved. When the gear shaft 218 rotates, the two racks 219 can be moved horizontally in a staggered manner, so that the ends of the two racks 219 away from the gear shaft 218 are separated from or close to each other.

One end of each of the two racks 219 is connected to the first linear module 212 through the L-shaped block 220, and when the racks 219 horizontally move in a staggered manner, the first linear module 212 can be driven to horizontally move relative to the fixing plate 211, so that the two first linear modules 212 are separated from or close to each other.

As shown in fig. 4, the bottom of the fixing plate 211 is connected with a limiting block 216 used in cooperation with the rack 219, the limiting block 216 is located on one side of the L-shaped block 220, the movement stroke of the first linear module 212 is further limited by the limiting block 216, it is ensured that the first linear module 212 does not fall off from the fixing plate 211, the stroke time of the first linear module 212 is reduced, and the clamping efficiency is improved.

As shown in fig. 7, the pinch roller 213 is elastically connected to the first linear module 212 and can vertically move up and down along the height direction of the first linear module 212.

A support rod 223 is fixedly connected to the end of the clamping wheel 213, and the first linear module 212 is provided with a connecting sleeve 221 matched with the support rod 223; the surface of the support rod 223 is sleeved with a spring 222, and the spring 222 is positioned below the connecting sleeve 221; the supporting rod 223 penetrates through the connecting sleeve 221 and enables the pinch roller 213 to be elastically connected with the first straight module 212 through the spring 222.

When the height of the hub 3 is low, the pinch roller 213 will not impact the ground during the lowering process when the height of the hub 3 is low.

The first driving element 214 is located below the connecting element 215, and the telescopic end of the first driving element 214 is fixedly connected with the first linear module 212.

The first driving member 214 drives the first linear module 212 to horizontally move along the length direction of the fixing plate 211, the first linear module 212 drives one rack 219 to synchronously and horizontally move, and meanwhile, the rack 219 drives the gear shaft 218 to rotate, so as to drive the other rack 219 to horizontally move along the opposite direction, so as to drive the other first linear module 212 to move, thereby achieving the purpose of separating or approaching the clamping wheels 213 respectively connected to the two first linear modules 212.

After the hub 3 is clamped and fixed by the clamping wheel 213, the hub 3 is moved to the upper part of the discharging line 8 by the mechanical arm 1 and is placed on the discharging line 8.

As shown in fig. 8, the discharging line 8 includes a rail 4 and a plurality of supporting columns 5 for positioning the hub 3, and the plurality of supporting columns 5 are slidably connected with the rail 4 and can move horizontally along the length direction of the rail 4;

as shown in fig. 8 and 9, a positioning assembly 6 capable of fixing the supporting column 5 is further disposed on one side of the track 4, the positioning assembly 6 includes a plurality of columns 61, a panel 62 connected to ends of the columns 61, and a second linear module 63 connected to the panel 62, ends of the second linear module 63 are connected to clamp arm assemblies, the clamp arm assemblies include two sets of left clamp arm assemblies 66 and right clamp arm assemblies 67, respectively, the left clamp arm assembly 66 is rotatably connected to a left side of the second linear module 63, and the right clamp arm assembly 67 is rotatably connected to a right side of the second linear module 63;

still including connect in No. two driving pieces of No. two straight line modules 63, No. two driving pieces can drive respectively left arm lock subassembly 66 and right arm lock subassembly 67 rotate to fix support column 5.

As shown in fig. 9, the second driving member is provided with two groups of left driving members 68 and right driving members 65, and the left driving members 68 and the right driving members 65 are movably connected to the second linear module 63 through T-shaped blocks 69.

Wherein, left driving piece 68 and right driving piece 65 are for the symmetrical setting of T piece 69, simultaneously, left driving piece 68 and left centre gripping arm subassembly swing joint, right driving piece 65 and right centre gripping arm swing joint, rotate and right centre gripping arm is driven through left driving piece 68 drive left centre gripping arm and right driving piece 65 drive right centre gripping arm rotates to the completion is fixed to the centre gripping of support column 5.

Still furthermore, left driving piece 68 and right driving piece 65 need cooperate the use simultaneously, just can make left centre gripping arm and right centre gripping arm carry out the centre gripping simultaneously to support column 5 fixed.

It should be noted that, the left clamping arm and the right clamping arm are two independent bodies, the left clamping arm clamps and fixes the support column 5, the right clamping arm clamps and fixes the other support column 5, and a double-station mode is adopted to clamp and fix two adjacent support columns 5, so that the work efficiency is improved.

As shown in fig. 10, the left clamping arm assembly 66 includes a first clamping arm 661 and a second clamping arm 662, the first clamping arm 661 and the second clamping arm 662 are both rotatably connected to the second linear module 63, and the first clamping arm 661 and the second clamping arm 662 are respectively movably connected to the right clamping arm assembly 67 through a synchronous linkage connecting rod 663.

It should be noted that, the first clamping arm 661 and the second clamping arm 662 are rotatably connected to the second linear module 63, and the first clamping arm 661 and the second clamping arm 662 are mutually matched to clamp and fix the supporting column 5.

As shown in fig. 10, the right clamping arm assembly 67 includes a third clamping arm 671 and a fourth clamping arm 672, and the third clamping arm 671 and the fourth clamping arm 672 are both rotatably connected to the second linear module 63; the first clamping arm 661 is connected with the third clamping arm 671 through a synchronous linkage connecting rod 663, and the second clamping arm 662 is connected with the fourth clamping arm 672 through the synchronous linkage connecting rod 663.

Wherein, synchronous linkage connecting rod 663 all with a clamp arm 661, No. two clamp arms 662, No. three clamp arm 671 and No. four clamp arm 672 swing joint, when No. two clamp arms 662 rotate for No. two straight line module 63, No. two clamp arms 662 drive No. four clamp arm 672 through synchronous linkage connecting rod 663 and rotate for No. two straight line module 63 synchronously. Similarly, when the third clamping arm 671 rotates relative to the second linear module 63, the third clamping arm 671 drives the first clamping arm 661 to rotate synchronously relative to the second linear module 63 through the synchronous linkage link 663, so that the first clamping arm 661 and the second clamping arm 662 approach each other and clamp and fix the supporting column 5, and the third clamping arm and the fourth clamping arm approach each other and clamp and fix the other supporting column 5.

The flexible end of the driving piece of the second left number with No. two arm lock 662 swing joint, the flexible end of the driving piece of the second right number with No. three arm lock 671 swing joint.

The structure of the left clamping arm assembly 66 is the same as that of the right clamping arm assembly 67.

As shown in fig. 8, a photoelectric sensor 64 is disposed on one side of the panel 62, and the photoelectric sensor 64 is in signal connection with the second linear module 63.

Position through photoelectric sensing ware 64 response support column 5, the cooperation of recycle straight line module is used to can be more accurate fix the support column 5 that needs placed wheel hub 3, guarantee placing on support column 5 that wheel hub 3 can be accurate.

When the photoelectric sensor 64 senses the supporting column 5, the linear module horizontally moves to the corresponding adjacent supporting column 5 along the length direction of the panel 62, and then fixes the supporting column 5 at the relative position through the left clamping arm assembly 66 and the right clamping arm assembly 67, so as to ensure that the hub 3 can be placed on the supporting column 5 more accurately.

The distance between a plurality of support columns 5 is the same, and the full-automatic mode is convenient for placing the hubs 3 on the support columns 5 one by one for transportation.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the following descriptions are only illustrative and not restrictive, and that the scope of the present invention is not limited to the above embodiments: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein.

Claims (10)

1. An automatic transfer line for hub machining, which comprises a mechanical arm (1), a feeding line (7) for transporting hubs (3), a discharging line (8) for transporting hubs (3), and a clamping assembly capable of conveying hubs (3) from the feeding line (7) to the discharging line (8), wherein the clamping assembly is connected to the mechanical arm (1) through a frame (2),

the clamping assembly comprises a fixing plate (211) and two first straight line modules (212) symmetrically arranged on and connected with the fixing plate (211), the two first straight line modules (212) are elastically connected with two clamping wheels (213), and a first driving piece (214) is arranged between the two first straight line modules (212); the first driving part (214) can drive the two first linear modules (212) to mutually approach or separate along the length direction of the fixing plate (211) through a connecting part (215) so as to fix or release the hub (3) between the two clamping wheels (213);

go out stockline (8) including track (4) and sliding connection in support column (5) of track (4), one side of track (4) is equipped with can be with fixed locating component (6) of support column (5), locating component (6) include a plurality of stand (61), connect in panel (62) of a plurality of stand (61) tip and connect in No. two sharp module (63) of panel (62), the end connection of No. two sharp module (63) has the arm lock subassembly, one side of arm lock subassembly is equipped with the driving piece No. two, No. two the driving piece can drive the arm lock subassembly rotates to fix support column (5) for the centre gripping subassembly can carry hub (3) of feed line (7) to stockline (8) through arm (1).

2. The automatic transfer line for hub machining according to claim 1, wherein the connecting piece (215) comprises a connecting block (217) and a gear shaft (218) rotatably connected in the connecting block (217), two racks (219) used for matching with the gear shaft (218) are symmetrically arranged in the connecting block (217), the two racks (219) are meshed with the gear shaft (218), and one ends of the two racks (219) are respectively connected with the first linear module (212) through L-shaped blocks (220).

3. The automated transfer line for hub machining according to claim 2, wherein a limiting block (216) used in cooperation with the rack (219) is connected to the bottom of the fixing plate (211), and the limiting block (216) is located on one side of the L-shaped block (220).

4. The automated transfer line for hub machining according to claim 1, wherein the clamping assemblies are provided in two sets and respectively comprise a left clamping member (21) and a right clamping member (22), and the left clamping member (21) and the right clamping member (22) are identical in structure.

5. The automated transfer line for hub machining according to claim 1, characterized in that the clamp arm assemblies are provided in two sets and comprise a left clamp arm assembly (66) and a right clamp arm assembly (67), and the structure of the left clamp arm assembly (66) is the same as that of the right clamp arm assembly (67).

6. The automated transfer line for hub machining according to claim 5, wherein the left clamping arm assembly (66) comprises a first clamping arm (661) and a second clamping arm (662), the first clamping arm (661) and the second clamping arm (662) are both rotatably connected to the second linear module (63), and the first clamping arm (661) and the second clamping arm (662) are respectively and movably connected to the right clamping arm assembly (67) through a synchronous linkage connecting rod (663).

7. The automated transfer line for wheel hub machining according to claim 6, characterized in that the right clamp arm assembly (67) comprises a third clamp arm (671) and a fourth clamp arm (672), and the third clamp arm (671) and the fourth clamp arm (672) are both rotatably connected to the second linear module (63); no. one arm lock (661) with No. three arm lock (671) are connected through synchronous linkage connecting rod (663), No. two arm lock (662) with No. four arm lock (672) are connected through synchronous linkage connecting rod (663).

8. The automated transfer line for hub machining according to claim 7, wherein the second driving member is provided with two sets and comprises a left second driving member and a right second driving member, the telescopic end of the left second driving member is movably connected with the second clamping arm (662), and the telescopic end of the right second driving member is movably connected with the third clamping arm (671).

9. The automated transfer line for hub machining according to claim 1, wherein a photoelectric sensor (64) is arranged on one side of the panel (62), and the photoelectric sensor (64) is in signal connection with the second straight line module (63).

10. The automated transfer line for hub machining according to claim 1, characterized in that the distances between the plurality of support columns (5) are the same.

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