CN215325105U - Rotary conveying device - Google Patents

Abstract

The application discloses a rotary conveying device. The rotary conveying device comprises a rack, an adjusting seat, a first tensioning unit, a second tensioning unit and an annular conveying belt; the adjusting seat is arranged on the rack and is suitable for adjusting the position along a first direction relative to the rack through an adjusting structure; the first tensioning unit is arranged on the adjusting seat; the second tensioning unit is mounted on the frame and is arranged opposite to the first tensioning unit along a horizontal first direction; the conveyor belt is tensioned between the first tensioning unit and the second tensioning unit. The application discloses slewing conveying device, it possesses the function of adjusting the rate of tension of conveyer belt.

Description

Rotary conveying device

Technical Field

The application relates to the technical field of machining, in particular to a rotary conveying device.

Background

In the prior art, the conveyer belt used on the conveyer line can cause the conveyer belt to loosen due to the extension of the conveyer belt under the long-time and long-distance work, so that the faults of unsmooth conveying, blockage and the like which influence the normal operation of equipment are easy to occur.

SUMMERY OF THE UTILITY MODEL

It is an object of the present application to overcome the above-mentioned drawbacks or problems in the background art and to provide a slewing conveying device having a function of adjusting the tightness of a conveyor belt.

In order to achieve the purpose, the following technical scheme is adopted:

a rotary conveying device comprises a rack, an adjusting seat, a first tensioning unit, a second tensioning unit and an annular conveying belt; the adjusting seat is mounted on the rack and is suitable for adjusting the position along a horizontal first direction relative to the rack through an adjusting structure; the first tensioning unit is mounted on the adjusting seat; the second tensioning unit is mounted to the frame and arranged opposite to the first tensioning unit along the first direction; the conveying belt is tensioned between the first tensioning unit and the second tensioning unit.

Further, the adjusting structure is a screw slider mechanism; a lead screw of the lead screw sliding block mechanism is axially connected to the rack in a limiting manner along the first direction; and the sliding block of the lead screw sliding block mechanism is fixedly connected with the adjusting seat.

Further, the device comprises a plurality of tools and a loading and unloading platform; the revolution path of the conveyor belt comprises a first straight line segment; the first straight line segment corresponds to a loading and unloading station; the tool is arranged on the conveying belt and comprises a base, a clamping piece, a first elastic piece and a rotating piece; the base is vertically arranged, and the top end of the base is suitable for sleeving a product with a hole; the clamping piece is pivoted to the base through a horizontal pivot, and a first end of the clamping piece is configured to abut against the hole wall of the product and lock the product; the first elastic piece acts on the base and the clamping piece so that the first end of the clamping piece is kept in contact with the hole wall of the product; the rotating part is rotatably connected with the second end of the clamping part by a first shaft, the outer wall of the rotating part is a revolution surface taking the first shaft as a revolution shaft, and the outer wall of the rotating part is protruded out of the base at least when the first end of the clamping part is abutted against the hole wall of a product; the first shaft is parallel to a connecting line of the rotating center of the clamping piece and the first end of the clamping piece; when each tool enters the first straight line segment, the pivot of the clamping piece is parallel to the extending direction of the first straight line segment, and each rotating piece faces to the same side; the loading and unloading platform is arranged on the frame, corresponds to the loading and unloading station, and is sequentially provided with a first inclined surface and a butting surface smoothly connected with the first inclined surface along the conveying direction of the conveying belt on a first straight line section; the first inclined surface and the abutting surface face the conveying belt and are suitable for the rotating piece to abut against; the first inclined surface is gradually close to the conveying belt along the conveying direction of the conveying belt on the first straight line segment; the abutting surface is parallel to the extending direction of the first straight line segment; in the process that the rotating member abuts against the first inclined surface, the rotating member gradually rotates toward the pivot side of the clamping member.

Furthermore, the loading and unloading platform is also provided with a second inclined surface; the second inclined surface is smoothly connected to the abutting surface along the conveying direction of the conveyor belt in the first straight line segment, and then the second inclined surface gradually gets away from the conveyor belt along the conveying direction of the conveyor belt in the first straight line segment.

Further, the revolving path of the conveyor belt further comprises a second straight line section arranged behind the first straight line section; the second straight line section corresponds to a first polishing station; the rack is provided with a rack corresponding to the first polishing station; the rack is parallel to the extending direction of the second straight line section, and the tooth surface of the rack faces the conveying belt; the base is suitable for rotating around a vertical axis relative to the conveying belt; the tool is provided with a gear; the gear is coaxially and fixedly connected with the base and is suitable for being meshed with the rack.

Further, the device also comprises a shaping unit; the revolving path of the conveying belt further comprises a third straight line section arranged behind the second straight line section and in front of the first straight line section; the shaping unit is arranged on the rack corresponding to the third straight line section and comprises a first support, a plurality of sliding rods, a plurality of guide wheels and a plurality of second elastic pieces; the first support is fixedly connected with the frame; the sliding rods are arranged along the extending direction of the third straight line section; the sliding rods are horizontally arranged, are vertical to the extending direction of the third straight-line segment and are connected to the first support in a sliding mode along the extending direction of the sliding rods; each guide wheel corresponds to each slide bar respectively and is connected to one end, facing the conveying belt, of each slide bar in a vertical pivot rotation mode; the second elastic piece abuts against the sliding rod and the support along the sliding connection direction of the sliding rod, and in the state that the second elastic piece releases energy, the guide wheels are arranged in a flush mode along the extending direction of the third straight line section; the tool is provided with a shaping part fixedly connected with the base, and the side wall of the shaping part comprises a plane and an arc surface which are connected with each other; the planes are vertically arranged; the arc surface is coaxial with the pivot of the base; when the base moves to the third straight line section, the arc surface is suitable for rotating under the guidance of the guide wheel until the plane is adjusted to be attached to the guide wheel.

Further, the shaping unit further comprises a second support, a guide rod and a third elastic piece; the second support is connected behind the first support along the conveying direction of the third straight line section of the conveying belt; the guide rod is used for guiding the plane motion along the conveying direction of the conveying belt in a third straight-line segment, is parallel to the extension direction of the third straight-line segment and is in sliding contact with the second support, and the sliding contact direction of the guide rod is parallel to that of the slide rod; the third elastic piece abuts against the guide rod and the second support along the sliding connection direction of the guide rod.

Further, the device also comprises a steering unit; the revolving path of the conveying belt further comprises a fourth straight line section arranged behind the first straight line section and in front of the second straight line section; the fourth straight line section corresponds to a second polishing station; the steering unit is arranged on the rack corresponding to the fourth linear section and positioned in front of the second polishing station, and comprises a fixed seat, a sliding connection block, a steering finger and a fourth elastic piece; the fixed seat is fixedly connected with the frame; the sliding connection block is arranged on the fixed seat in a sliding mode along the extending direction of the fourth straight line section, and a rack part is arranged on one surface, facing the conveying belt, of the sliding connection block; the steering finger comprises a rotating part and a limiting arm; the rotating part is connected to the fixed seat in a vertical pivot rotating mode, and a gear surface suitable for being attached to the rack part is arranged on the side wall of the rotating part; one end of the limiting arm is fixedly connected with the side wall of the rotating part, and the other end of the limiting arm extends towards the conveying belt; the fourth elastic piece is abutted against the fixed seat and the sliding connection block; the frame is provided with a guide surface and a guide surface; the guide surface is located before the stopper arm in the conveying direction of the conveyor belt; the guide surface is positioned behind the limiting arm in the conveying direction of the conveying belt, and both the guide surface and the guide surface extend along the fourth straight line section; the tool is provided with a polygonal abutting plate; the abutting plate is coaxially and fixedly connected with the base, and abutting parts are arranged at all corners of the surface of the abutting plate; before the tool enters the steering unit, the first edge of the abutting plate is abutted to the guide surface; when the tool passes through the steering unit, the limiting arm abuts against the abutting part so that the abutting plate rotates around the axis of the base and rotates until a second edge adjacent to the first edge abuts against the guide surface, and the limiting arm rotates until the limiting arm abuts against the guide surface; when the abutting plate rotates in place, the abutting part is separated from the limiting arm, and the fourth elastic piece pushes the sliding connection block to reset.

Further, the first tensioning unit comprises a first driving sprocket, a first driving sprocket shaft, a first driven sprocket and a first driven sprocket shaft; the first driving chain wheel shaft and the first driven chain wheel shaft are both vertically arranged and are both mounted on the adjusting seat; the first driving chain wheel and the first driven chain wheel are respectively and rotationally connected to the first driving chain wheel shaft and the first driven chain wheel shaft; the second tensioning unit comprises a second driving chain wheel, a second driving chain wheel shaft, a second driven chain wheel and a second driven chain wheel shaft; the second driving chain wheel shaft and the second driven chain wheel shaft are both vertically arranged and are both mounted on the rack; the second driving chain wheel and the second driven chain wheel are respectively and rotationally connected to the second driving chain wheel shaft and the second driven chain wheel shaft; the conveyer belt is a chain belt, and is tensioned among the first driving chain wheel, the first driven chain wheel, the second driving chain wheel and the second driven chain wheel.

Further, the device also comprises a first driving unit and a second driving unit; the first driving unit is arranged on the adjusting seat, and an output shaft of the first driving unit is fixedly connected with the first driving chain wheel shaft to drive the first driving chain wheel shaft to rotate; the second driving unit is arranged on the frame, and an output shaft of the second driving unit is fixedly connected with the second driving chain wheel shaft to drive the second driving chain wheel shaft to rotate.

Compared with the prior art, the scheme has the following beneficial effects:

1. the rotary conveying device comprises a conveying belt, a first tensioning unit, a second tensioning unit, a first adjusting seat, a second adjusting seat and a third adjusting seat, wherein the conveying belt is tensioned between the first tensioning unit and the second tensioning unit, the first tensioning unit is installed on the adjusting seat, and the position of the conveying belt can be adjusted by adjusting the position of the adjusting seat in the use process of the rotary conveying device.

2. The rotary conveying device in the application has the advantages that the adjusting structure is formed by the screw rod sliding block mechanism, the structure is simple, and the moving stability is good.

3. According to the rotary conveying device, the loading and unloading platform is provided with the first inclined surface, and the first inclined surface is gradually close to the first straight line section in the conveying direction of the first straight line section, so that when the tool runs to the position of the loading and unloading platform, the rotating piece can gradually rotate towards one side where the pivot of the clamping piece is located under the guidance of the first inclined surface, and the first end of the clamping piece also gradually rotates towards one side where the pivot of the clamping piece is located to be separated from abutting and locking the hole wall of a product, at the moment, an operator can conveniently take the product off from the base without stopping equipment and manually pressing the rotating piece to take the product off, and the production efficiency is high; by arranging the abutting surfaces, the equipment can provide sufficient operation time for operators to take and/or place materials without extending the first inclined surface to a longer extent, so that the reliability of operation is improved; wherein, because the rotation piece can form sliding fit with first inclined plane and butt face, consequently, the coefficient of friction of frock for the loading platform is little, can avoid influencing the transmission of conveyer belt.

4. The utility model provides a gyration conveyor through the second inclined plane that sets up and link up with the other end of butt face at the loading platform for the clamping piece can be at slow reversion position under the direction on second inclined plane, thereby can avoid producing the striking because of first elastic component replies in the twinkling of an eye and causes between the spare part, promotes the life of product and can avoid producing the noise in the processing environment.

5. The rotary conveying device in this application, the frame corresponds first polishing station and is equipped with the rack, is equipped with the gear on the base, and when the conveyer belt drove the frock and moved to the second straightway, gear and rack meshing took place to rotate to guarantee that outside burnishing machine can the product polish comprehensively.

6. According to the rotary conveying device, the shaping unit is arranged behind the first polishing station, so that bases with disordered orientations are arranged orderly, the orientations of the bases are adjusted to be consistent again, and the bases can be enabled to be abutted by the loading and unloading platform in a unified manner to unlock products when entering the loading and unloading station; the shaping unit has a simple structure and is reliably matched with the shaping part.

7. The rotary conveying device in the application plays a role in further guiding and stabilizing the posture of the base by arranging the guide rod.

8. The rotary conveying device in the application can turn to the tool by 90 degrees due to the turning unit, so that the requirement that the second polishing station polishes the specific part of the product can be met during actual production, the selectable functions are rich, the utilization rate of equipment is effectively improved, and the production requirement is easily met.

9. The rotary conveying device has the advantages that the conveying belt is a chain belt and is tensioned and driven by the chain wheel, and the rotary conveying device is simple in structure and good in transmission effect.

10. The rotary conveying device has the advantages that the conveying belt is driven by the two driving units, the driving force is sufficient, and the conveying effect is good.

Drawings

In order to more clearly illustrate the technical solution of the embodiments, the drawings needed to be used are briefly described as follows:

FIG. 1 is a schematic structural diagram of an embodiment of a rotary conveyor line according to the present application;

FIG. 2 is a schematic view of an installation structure of the adjusting seat, the first tensioning unit and the first driving unit;

FIG. 3 is a schematic view of the structure of the loading dock of the present application;

FIG. 4 is a schematic structural diagram of a shaping unit according to the present application;

FIG. 5 is a schematic view of the construction of the steering unit of the present application;

FIG. 6 is a schematic perspective view of the tooling of the present application;

FIG. 7 is an exploded perspective view of the tooling of the present application;

FIG. 8 is a schematic cross-sectional view of the tooling of the present application;

FIG. 9 is an exploded perspective view of the tool of the present application with respect to the base, the clamping member, the first resilient member and the rotating member;

FIG. 10 is a schematic cross-sectional view of the tooling of the present application with respect to the base, the clamping member, the first resilient member and the rotating member;

FIG. 11 is a schematic view of the mounting structure of the rack of the present application;

fig. 12 is a schematic view of the mounting structure of the steering unit in the present application.

Description of the main reference numerals:

a rotary conveying device 10; a product 100;

a frame 1; a slide rail 11; a rack 12; the guide surface 13; a guide surface 14; a notch 15; a slip joint groove 16;

an adjusting seat 2;

a first tensioning unit 3; a first drive sprocket 31; a first drive sprocket shaft 32; a first driven sprocket 33; a first driven sprocket shaft 34;

a second tensioning unit 4; a second drive sprocket 41; a second drive sprocket shaft 42; a second driven sprocket 43; a second driven sprocket shaft 44;

a conveyor belt 5;

a tool 6; a base 61; a chuck 611; a projection 6111; a fool-proof surface 6111 a; a first mounting groove 6112; a first opening 6113; a pin shaft 6114; a connecting rod 612; a second mounting groove 6121; set screw 6122; a stopper 6123; a clamping member 62; a stem section 621; an abutment projection 6211; an operation portion 622; a positioning groove 6221; a bearing pin 6222; the first elastic member 63; a rotating member 64; a mounting body 65; a mounting shaft 651; a mount 652; a mounting plate 6521; a connecting plate 6522; roller shafts 653; a gear 654; a roller 655; a connecting structure 66; a shaping unit 661; a plane 6611; a circular arc surface 6612; an abutment plate 662; an abutting portion 6621;

a loading and unloading platform 7; a support base 71; a platen 72; first inclined surface 721; an abutment surface 722; the second inclined surface 723;

a shaping unit 8; a first support 81; a first lever 811; a second rod 812; a third rod 813; a slide bar 82; a guide wheel 83; a second elastic member 84; a second support 85; a fourth rod 851; a fifth rod 852; a guide rod 86; the third elastic member 87;

a steering unit 9; a fixed seat 91; a sliding block 92; a rack portion 921; a steering finger 93; the rotating portion 931; a gear face 9311; a spacing arm 932;

a first drive unit 1 a; a second drive unit 1 b; the adjustment structure 2 a.

Detailed Description

In the claims and specification, unless otherwise specified the terms "first", "second" or "third", etc., are used to distinguish between different items and are not used to describe a particular order.

In the claims and specification, unless otherwise specified, the terms "central," "lateral," "longitudinal," "horizontal," "vertical," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "clockwise," "counterclockwise," and the like are used in the orientation and positional relationship indicated in the drawings and are used for ease of description only and do not imply that the referenced device or element must have a particular orientation or be constructed and operated in a particular orientation.

In the claims and the specification, unless otherwise defined, the terms "fixedly" or "fixedly connected" are to be understood in a broad sense as meaning any connection which is not in a relative rotational or translational relationship, i.e. including non-detachably fixed connection, integrally connected and fixedly connected by other means or elements.

In the claims and specification, unless otherwise defined, the terms "comprising", "having" and variations thereof mean "including but not limited to".

The technical solution in the embodiments will be clearly and completely described below with reference to the accompanying drawings.

Referring to fig. 1 to 10, fig. 1 to 10 show the slewing conveying line of the present embodiment. As shown in fig. 1 to 10, the rotary conveyor line in the present embodiment includes a frame 1, an adjusting base 2, a first tensioning unit 3, a second tensioning unit 4, an endless conveyor belt 5, a tool 6, a loading and unloading platform 7, a shaping unit 8, a steering unit 9, a first driving unit 1a, and a second driving unit 1 b.

As shown in fig. 1, the frame 1 is fixed on the ground and has a horizontal bottom plate and a slide rail 11 arranged along the conveyor belt 5.

As shown in fig. 1 and fig. 2, the adjusting base 2 is mounted on the frame 1 and is adapted to adjust a position along a horizontal first direction relative to the frame 1 through the adjusting structure 2a, specifically, in this embodiment, the adjusting structure 2a is not limited to a screw rod slider mechanism, a screw rod (not shown in the figure) of the screw rod slider mechanism is a trapezoidal screw rod, and is connected to a bottom plate of the frame 1 in an axially limited manner along the first direction, and a slider (not shown in the figure) of the screw rod slider mechanism is fixedly connected to a lower surface of the adjusting base 2. In this embodiment, the adjusting seat 2 is provided to adjust the position of the conveyor belt 5 relative to the frame 1, and the main purpose of the adjusting seat is to adjust the tension of the conveyor belt 5, and the conveyor belt 5 extends on a horizontal plane in general, so that the conveyor belt 5 can be tensioned, and the first direction in this embodiment extends horizontally and is specifically the tensioning direction of the conveyor belt 5.

The first tensioning unit 3 is mounted to the adjustment seat 2 and includes a first driving sprocket 31, a first driving sprocket shaft 32, a first driven sprocket 33 and a first driven sprocket shaft 34. As shown in fig. 1 and 2, in the present embodiment, the number of the first driving sprocket 31 and the first driven sprocket 33 is two, the first driving sprocket shaft 32 and the first driven sprocket shaft 34 are both vertically mounted on the adjusting seat 2, and the first driving sprocket shaft 32 and the first driven sprocket shaft 34 are arranged at intervals along a second direction perpendicular to the first direction, wherein the first driving sprocket shaft 32 is mounted on the adjusting seat 2 through the first driving unit 1a, and the first driven sprocket shaft 34 is directly fixed on the adjusting seat 2; the two first drive sprockets 31 are each coaxially rotatably connected to a first drive sprocket shaft 32 by a bearing, and the two first driven sprockets 33 are each coaxially rotatably connected to a first driven sprocket shaft 34 by a bearing.

The second tension unit 4 is mounted to the frame 1 and disposed opposite to the first tension unit 3 in the first direction, and includes a second driving sprocket 41, a second driving sprocket shaft 42, a second driven sprocket 43, and a second driven sprocket shaft 44. As shown in fig. 1, in the present embodiment, the number of the second driving sprockets 41 and the second driven sprockets 43 is two, the second driving sprocket shafts 42 and the second driven sprocket shafts 44 are respectively opposite to the first driven sprocket shafts 34 and the first driving sprocket shafts 32 along a first direction, and both of the second driving sprocket shafts 42 and the second driven sprocket shafts 44 are vertically installed on the adjusting seat 2 and are arranged at intervals along a second direction perpendicular to the first direction, wherein the second driving sprocket shafts 42 are installed on the adjusting seat 2 through the second driving unit 1b, the second driven sprocket shafts 44 are directly and fixedly connected to the adjusting seat 2, and the distance between the second driving sprocket shafts 42 and the first driven sprocket shafts 34 is equal to the distance between the second driven sprocket shafts 44 and the first driving sprocket shafts 32; the two second drive sprockets 41 are each coaxially rotatably connected to the second drive sprocket shaft 42 by a bearing, and the two second driven sprockets 43 are each coaxially rotatably connected to the second driven sprocket shaft 44 by a bearing.

The first drive unit 1a and the second drive unit 1b each include a motor and a speed reducer. As shown in fig. 1 and fig. 2, the motor and the speed reducer of the first driving unit 1a are both installed on the adjusting base 2, and the two realize transmission through the conveyor belt and the belt pulley, wherein the output shaft of the speed reducer of the first driving unit 1a constitutes the output shaft of the first driving unit 1a, which is fixedly connected with the first driving sprocket shaft 32 to drive the first driving sprocket shaft 32 to rotate. The motor and the speed reducer of the second driving unit 1b are both mounted on the frame 1, and the transmission of the motor and the speed reducer is realized through the conveyor belt and the belt wheel, wherein the output shaft of the speed reducer of the second driving unit 1b forms the output shaft of the second driving unit 1b, and the output shaft is fixedly connected with the second driving sprocket shaft 42 to drive the second driving sprocket shaft 42 to rotate.

As shown in fig. 1, the conveying belt 5 is a chain belt, the transmission effect is good when the structure is simple and the chain wheel is matched, in this embodiment, the number of the conveying belt 5 is two, the first driving chain wheel 31, the first driven chain wheel 33, the second driving chain wheel 41 and the second driven chain wheel 43 are two and are divided into two groups of tensioning structures arranged up and down, the two groups of tensioning structures are respectively used for tensioning the two conveying belts 5, it should be understood that each group of tensioning structures all includes a first driving chain wheel 31, a first driven chain wheel 33, a second driving chain wheel 41 and a second driven chain wheel 43, and the first driving chain wheel 31, the first driven chain wheel 33, the second driving chain wheel 41 and the second driven chain wheel 43 in the same group of tensioning structures are located at the same height position. The conveying belt 5 is driven by two driving units, and has enough driving force and good conveying effect. In this embodiment, since the two driving sprocket shafts and the two driven sprocket shafts are located on four sides of a rectangular parallelepiped structure, the rotation path of the conveyor belt 5 has a rectangular structure with four arc angles.

The tool 6 is mounted on the conveyor belt 5. Specifically, as shown in fig. 6 to 10, it includes a base 61, a clamping member 62, a first elastic member 63, a rotating member 64, a mounting body 65, and a connecting structure 66, and in addition, in this embodiment, the tool 6 is further provided with a shaping portion 661 and an abutment plate 662, which are coaxially fixed to the base 61, and it should be understood that the fixed connection includes two modes, namely, direct fixed connection and indirect fixed connection.

The base 61 is adapted to rotate around a vertical axis relative to the conveyor belt 5, and includes a chuck 611 and a connecting rod 612, both of which are cylindrical structures.

As shown in fig. 8 and 9, the chuck 611 is formed by coaxially forming three sections of cylinders with diameters sequentially increasing from top to bottom, wherein the cylinder at the uppermost end forms a convex portion 6111, which is used for matching and sleeving products 100 (such as a faucet, an angle valve housing, a shunt valve housing, and the like) with holes, the sidewall of the convex portion is provided with a fool-proof surface 6111a parallel to the axial direction, and the fool-proof surface 6111a is used for positioning the products 100, so that the product 100 applied in this embodiment needs to be correspondingly formed with a positioning surface matched with the fool-proof surface 6111a on the hole wall. A first mounting groove 6112 extending along the axial direction is arranged in the chuck 611, and two ends of the first mounting groove 6112 respectively extend into the convex part 6111 and the bottom surface of the chuck 611; the first mounting groove 6112 opens at the outer wall of the chuck 611. The side wall of the chuck 611 is further provided with a first opening 6113 opposite to the opening of the first mounting groove 6112, and the first opening 6113 is located at the convex portion 6111. In addition, a pin shaft 6114 is further inserted into the side wall of the chuck 611, and the middle of the pin shaft 6114 is located in the first mounting groove 6112.

A second mounting groove 6121 extending along the axial direction is arranged in the connecting rod 612, the upper end of the second mounting groove 6121 extends to the upper end face of the connecting rod 612, and the second mounting groove 6121 is opened at the side wall of the connecting rod 612; in this embodiment, the top of the connecting rod 612 and the bottom of the chuck 611 are inserted into each other and fixed by a screw to form the base 61, when the connecting rod is fixed in place, the first mounting groove 6112 and the second mounting groove 6121 are correspondingly communicated in the axial direction, and the opening of the first mounting groove 6112 and the opening of the second mounting groove 6121 are correspondingly communicated with each other. A positioning screw 6122 is screwed on the side wall of the connecting rod 612, the positioning screw 6122 is connected with the side wall of the connecting rod 612 opposite to the opening of the second mounting groove 6121, and one end of the positioning screw 6122 extends into the second mounting groove 6121. The outer wall of the connecting rod 612 is fixedly connected with a stopper 6123 suitable for partially shielding the opening of the second mounting groove 6121 through a screw.

Clamp 62 is pivotally attached to base 61 at a horizontal pivot and has a first end configured to extend into the aperture of product 100 to abut the aperture wall of product 100 and lock product 100.

Specifically, as shown in fig. 8 to 10, the clamp member 62 includes a lever portion 621 and an operating portion 622.

The rod 621 is a straight rod, which is suitable to enter into a groove formed by communicating the first mounting groove 6112 and the second mounting groove 6121 through an opening of the first mounting groove 6112 and an opening of the second mounting groove 6121, the rod body forms a rotational connection with the pin 6114, a first end (upper end) of the rod body extends into the convex part 6111 and is provided with an abutting protrusion 6211 facing the first opening 6113, and a second end (lower end) of the rod body is opposite to the positioning screw 6122, wherein the first end of the rod 621 constitutes a first end of the clamping member 62, and the second end of the rod 621 constitutes a second end of the clamping member 62; pin 6114 forms the pivot for clamp member 62. After the rod 621 enters the base 61 from the opening of the first mounting groove 6112 and the opening of the second mounting groove 6121 and is pivoted to the pin 6114, the stopper 6123 is fixedly connected to the outer wall of the connecting rod 612 to limit the rotation range of the rod 21.

The operating portion 622 is fixedly connected to the second end of the rod 621 and faces the opening of the second mounting groove 6121, and is provided with a positioning slot 6221 and a bearing pin 6222, and one side of the opening of the positioning slot 6221 deviates from the positioning screw 6122; a bearing pin 6222 is fixedly connected to the operating portion 622 in parallel with the lever 621 and penetrates the positioning slot 6221. In order to make the operating portion 622 meet the operational requirement, the operating portion 622 is protruded from the opening of the second mounting groove 6121 (i.e., the outer wall of the base 61) during the rotation of the clamping member 62 relative to the base 61.

First elastic member 63 acts on base 61 and clamp 62 to bring a first end of clamp 62 into abutment against the wall of hole of product 100 and lock product 100.

Specifically, as shown in fig. 9 and 10, the first elastic member 63 is a spring, and is installed in the second installation groove 6121, one end of the spring is sleeved on the portion of the positioning screw 6122 extending into the second installation groove 6121, and the other end of the spring abuts against the second end of the rod 621. In this embodiment, when the operating portion 622 is pressed by an external force, the second end of the rod 621 rotates toward the side where the positioning screw 6122 is located, the first elastic member 63 compresses to store energy, and the abutting protrusion 6211 on the first end of the rod 621 retracts into the first opening 6113, so that the product 100 can be easily sleeved on the protrusion 6111 from top to bottom; when the product 100 is put in place, the pressing force on the operating portion 622 is released, the first elastic member 63 releases energy, the energy is released to the place, the second end of the rod portion 621 rotates away from the side of the positioning screw 6122, the operating portion 622 protrudes out of the opening of the second mounting groove 6121, and the abutting protrusion 6211 on the first end of the rod portion 621 protrudes out of the first opening 6113 to abut against the hole wall of the product 100 and lock the product 100. It should be noted that, when the product 100 is not sleeved on the protruding portion 6111, the rotation range of the rod portion 621 relative to the base 61 is large, the structural stability is poor, and there is a possibility that the second end of the rod portion 621 is separated from the first elastic member 63 to cause the first elastic member 63 to be separated from the positioning screw 6122, so that in this embodiment, the rotation range of the rod portion 621 can be effectively limited by the stop block 6123, so as to ensure that the rod portion 621 can be always abutted against the first elastic member 63.

Preferably, in this embodiment, the distance between the second end of the lever portion 621 and the pivot thereof is greater than the distance between the first end of the lever portion 621 and the pivot thereof, when the first elastic member 63 abuts against the second end of the lever portion 621, the moment arm on the side where the first elastic member 63 is located is longer, and under the same acting force, the moment applied to the lever portion 621 by the first elastic member 63 is larger, so as to facilitate increasing the abutting force of the abutting protrusion 6211 on the product 100. It should be noted that the installation position of the first elastic element 63 in the base 611 is not limited, and it only needs to satisfy the function of driving the rod 621 to rotate until the abutting protrusion 6211 keeps abutting against the hole wall of the product 100.

In this embodiment, the first end of the stem 621 can also reliably lock the product 100 without the abutment protrusion 6211, if the abutment protrusion 6211 is provided, and in order to achieve a better locking effect, the product 100 may be provided with a concave point on the hole wall thereof for the abutment protrusion 6211 to be inserted into during the molding process.

A rotating member 64 rotatably connected to the second end of the clamping member 62 with a first shaft, having an outer wall with a surface of revolution with the first shaft as a rotation axis, and protruding from the base 61 at least when the first end of the clamping member 62 abuts against the wall of the hole of the product 100; the first axis is parallel to a line connecting the center of rotation of clamping member 62 and the first end of clamping member 62.

Specifically, as shown in fig. 9 and 10, the rotating member 64 is a deep groove ball bearing, a part of which is disposed in the positioning groove 6221 and a part of which protrudes from the opening of the positioning groove 6221, and an inner ring of which is fixedly connected to the bearing pin 6222, wherein the axis of the bearing pin 6222 constitutes a first shaft. In this embodiment, the rotating member 64 is configured to cooperate with the platform 7 to rotate the rod 621 via the platform 7 and automatically lock or unlock the product 100.

The mounting body 65 is fixedly connected with the connecting structure 66, the mounting body 65 is mounted on the conveyor belt 5, and is also detachably fixedly connected with the base 61 through the connecting structure 66, so that the base 61 can be conveniently replaced as required without detaching the mounting body 65 from the conveyor belt 5.

Specifically, as shown in fig. 6-8, mounting body 65 includes a mounting shaft 651, a mount 652, a roller shaft 653, a gear 654, and a roller 655.

The mounting shaft 651 is coaxial with the chuck 611 and the connecting rod 612, and is fixedly connected to the connecting structure 66. At least two deep groove ball bearings are fixedly sleeved on the outer wall of the mounting shaft 651; in this embodiment, four deep groove ball bearings are disposed on the mounting shaft 651 at intervals in the axial direction.

The mount 652 includes a mounting plate 6521, two connecting plates 6522, and a roller shaft 653; the mounting plate 6521 is vertically arranged, and is provided with a plurality of through holes with internal threads so as to be fixedly connected with the conveying belt 5 through screw connectors such as bolts and the like; the two connecting plates 6522 are vertically spaced and horizontally formed into a whole with the surface of one side of the mounting plate 6521, and mounting holes are formed in the two connecting plates 6522; the outer rings of two deep groove ball bearings on the mounting shaft 651 are fixedly connected with the mounting holes on the two connecting plates 6522 respectively. The other two deep groove ball bearings on the mounting shaft 651 are used for cooperating with the frame 1 to improve the stability of the structural attitude. Roller shaft 653 is vertically affixed to the side of mounting plate 6521 facing away from attachment plate 6522.

The gear 654 is coaxially fixed to the lower end of the mounting shaft 651, that is, the gear 654 is coaxially fixed to the base 61, and is used for engaging with the frame 1 to rotate the mounting shaft 651 and the base 61.

The roller 655 is rotatably connected to the mounting plate 6521 on the horizontal axis of the vertical mounting shaft 651, and in particular, is rotatably connected to the roller shaft 653 through a deep groove ball bearing, which is adapted to be in rolling connection with the slide rail 11 on the frame 1, so as to further stabilize the posture of the entire tool 6 during movement.

As shown in fig. 6 to 8, the connecting structure 66 is a quick-release structure, which is detachably fixed to the connecting rod 612, and has a shaping portion 661 and an abutment plate 662 on an outer peripheral wall thereof. Wherein, the shaping part 661 is a plate-shaped flange formed on the outer wall of the connecting structure 66, and the side wall thereof is formed with a plane 6611 and a circular arc surface 6612 which are connected with each other; the plane 6611 is vertically disposed; the two ends of the circular arc 6612 are connected to the two ends of the plane 6611, and are coaxial with the base 61 and the mounting shaft 651. The abutting plate 662 is polygonal and is coaxially fixed to the base 61, and each corner of the upper surface thereof is provided with an abutting portion 6621.

In this embodiment, the rotation path of the conveyor belt 5 includes a first straight line segment, a second straight line segment, a third straight line segment, and a fourth straight line segment, and the four straight line segments do not correspond to four edges of the conveyor belt 5, but are defined according to four functions. The first straight line section corresponds to a loading and unloading station, the second straight line section corresponds to a first polishing station, the third straight line section corresponds to the shaping unit 8, and the fourth straight line section corresponds to a second polishing station, wherein the first polishing station is used for realizing polishing of the product in the circumferential direction; the second polishing station is used for polishing a specific part of the product.

As shown in fig. 3, the mounting platform 7 is mounted on the frame 1 and corresponds to a mounting station, and is provided with a first inclined surface 721, an abutting surface 722 smoothly contacting with the first inclined surface 721, and a second inclined surface 723 smoothly contacting with the abutting surface 722 in sequence along the conveying direction of the first straight line segment of the conveyor belt 5, in this embodiment, the mounting platform 7 is used for cooperating with the rotating member 64 to drive the rotation of the rod 621.

Specifically, as shown in fig. 1, one of the short sides of the rectangular revolving path of the conveyor belt 5 constitutes a first straight line segment corresponding to the loading/unloading station, and the two loading/unloading platforms 7 are installed inside the conveyor belt 5 (in the space enclosed by the conveyor belt 5) corresponding to the loading/unloading station, and as shown in fig. 3, each loading/unloading platform 7 includes a U-shaped support base 71 and a platen 72 horizontally fixed to the top end of the support base 71, and the side of the platen 72 facing the conveyor belt 5 includes a first inclined surface 721, an abutment surface 722 and a second inclined surface 723 which are connected at one side; wherein, the first inclined surface 721 gradually approaches the conveying belt 5 along the conveying direction of the conveying belt 5 on the first straight line segment; the abutting surface 722 is parallel to the extending direction of the first straight line segment; the second inclined surface 723 is inclined in a direction opposite to the first inclined surface 721, that is, the second inclined surface 723 is gradually away from the conveyor belt 5 in the conveying direction of the first straight line segment along the conveyor belt 5, and in actual production, when the tool 6 enters the first straight line segment, the pivot of the clamping member 62 is parallel to the extending direction of the first straight line segment, and each rotating member 64 faces the same side. When the rotating member 64 moves to the abutting surface 722, the rotating member 64 and the rod 621 rotate in place, and the abutting protrusion 6211 retracts into the first opening 6113, at this time, an operator can conveniently take the product 100 off the convex portion 6111 and place the product on the platen 72, and at the same time, a new product 100 can be installed on the convex portion 6111, when the rotating member 64 disengages from the abutting surface 722, the first elastic member 63 is gradually reset under the guidance of the second inclined surface 723, until the rotating member 64 disengages from the second inclined surface 723, the abutting protrusion 6211 continues to lock the new product 100, by means of the movement of the tooling on the assembly line and the abutting or releasing action of the platen 72 on the rotating member 64, the automatic disengagement or automatic abutting of the first end of the rod 621 on the inner wall of the product 100 is realized, the purposes of conveniently taking and placing the product 100 on the tooling and improving the working efficiency are achieved, wherein, the abutting surface 722 is provided, the equipment can provide sufficient operation time for operators to take and/or discharge materials without extending the first inclined surface 721 for a long time, so that the reliability of operation is improved; the second inclined surface 723 is arranged, so that the clamping member 62 can be guided by the second inclined surface 723 to be in a slow return position, impact between parts due to instant return of the first elastic member 63 can be avoided, the service life of the product 100 is prolonged, and noise in a processing environment can be avoided; since the rotor 64 is in a rotationally engaged relationship with the platen 72 when in contact therewith, the friction force is small and smooth movement is possible.

In this embodiment, the second straight line segment in the revolving path of the conveyor belt 5 is arranged behind the first straight line segment, and the second straight line segment is located on the rectangular revolving path of the conveyor belt 5, and two long edges adjacent to the first straight line segment form the second straight line segment. As shown in fig. 1, the rack 12 is disposed on the frame 1 corresponding to the second straight line segment, the rack 12 is parallel to the extending direction of the second straight line segment, and the tooth surface of the rack 12 faces the conveyor belt 5, the rack 12 is used for meshing with the gear 654 on the tool 6, when the tool 6 enters the second straight line segment, the gear 654 rotates under the cooperation of the rack 12, so as to drive the product 100 to rotate, which is beneficial to realizing a circumferential overall polishing machine, and reduces the work difficulty of the polishing machine in a simple manner. Preferably as shown in fig. 11. In this embodiment, the frame 1 is provided with a strip-shaped sliding connection slot 16; the rack 12 is in sliding fit with a sliding fit groove 16 on the rack 1 through a threaded part, so that the rack 12 is suitable for adjusting the position relative to the rack 1 along the direction perpendicular to the second straight line segment, and thus, during actual production, the position of the rack 12 can be selectively adjusted to a working position capable of being matched with the gear 654 or a non-working position not matched with the gear 654 according to polishing requirements; in addition, in the embodiment, the rack 12 is formed by splicing a plurality of rack segments, and each rack segment is arranged at the same height but is independent from each other, so that, during actual production, the rack segments at specific positions can be selected according to the requirements of the production process to be adjusted to the working position so as to be matched with the gear 654 on the tool 6.

The third straight line segment in the revolving path of the conveyor belt 5 is disposed after the second straight line segment and before the first straight line segment, in this embodiment, the third straight line segment is also disposed on the long side of the rectangular revolving path of the conveyor belt 5 adjacent to the first straight line segment, and is disposed near the feeding end of the first straight line segment along the conveying direction of the conveyor belt 5.

As shown in fig. 1 and 4, the shaping unit 8 is mounted to the frame 1 corresponding to the third straight line segment, and includes a first support 81, a plurality of sliding rods 82, a plurality of guide wheels 83, and a plurality of second elastic members 84; the first supporting seat 81 is fixedly connected with the frame 1, and the first supporting seat 81 comprises a first rod 811, a second rod 812 and a plurality of third rods 813, the number of the third rods corresponds to that of the sliding rods 82; the first rod 811 and the second rod 812 are arranged in parallel and are both parallel to the extending direction of the third straight-line segment, and the first rod 811 and/or the second rod 812 are fixedly connected with each other and the rack 1; the first rod 811 is close to one side of the conveying belt 5 and is provided with a plurality of sliding holes corresponding to the sliding rods 82 in number; one end of the third rod 813 is vertically fixed with the second rod 812, and the other end thereof extends horizontally and faces the first rod 811; the sliding rods 82 are arranged along the extending direction of the third straight-line segment, and each sliding rod 82 is horizontally arranged and is vertical to the extending direction of the third straight-line segment; each sliding rod 82 penetrates through a sliding hole in the extending direction of the sliding rod and is slidably connected with the first rod 811, one end of the sliding rod facing the second rod 812 is slidably sleeved on the periphery of the third rod 813, and the movement of the sliding rod is guided by the third rod 813; each guide wheel 83 corresponds to each slide rod 82 and is connected to one end of each slide rod 82 facing the conveyor belt 5 in a vertical pivot way; the second elastic member 84 is elastic, and is sleeved on the periphery of the third rod 813, and abuts against the end surface of the sliding rod 82 and the second rod 812 in the first support 81 along the sliding direction of the sliding rod 82, and in the energy releasing state of the second elastic member 84, each guide wheel 83 is arranged flush along the extending direction of the third straight line segment.

During actual production, when the tooling 6 moves to the third straight line segment, the arc surface 6612 on the shaping part 661 can rotate under the guidance of the guide wheel 83, until the plane 6611 on the shaping part 661 rotates to be attached to the guide wheel 83, the base 61, the mounting shaft 651 and the product 100 stop rotating, at this time, the orientation of the rotating part 64 on the base 61 and the product 100 can be ensured to be consistent, so that each tooling 6 on the conveyor belt 5 can still return to the orderly arrangement state after being irregularly rotated by the first polishing station, and the tooling 6 can be uniformly attached by the loading and unloading platform 7 to unlock the product 100 when entering the loading and unloading station; the shaping unit 8 has a simple structure and is reliably fitted to the shaping unit 661.

Since the concave portions are formed between the guide wheels 83 in a matching manner, the plane 6611 of the shaping portion 661 may be skewed under the guidance of each guide portion, and in order to ensure that the orientations of the tooling 6 and the product 100 are completely consistent, in this embodiment, the shaping unit 8 further includes the second support 85, the guide rod 86 and the third elastic member 87; the second support 85 is arranged behind the first support 81 in the conveying direction of the third straight section of the conveyor belt 5. The second support 85 comprises a fourth rod 851 and a plurality of fifth rods 852, wherein the fourth rod 851 is parallel to the first rod 811, the fifth rods 852 are parallel to the third rod 813 and are in sliding connection with the fourth rod 851, and the sliding connection direction of the fifth rods 852 is parallel to the sliding connection direction of the sliding rods 82; the guide rod 86 is configured to guide the plane 6611 to move along the conveying direction of the third linear segment of the conveying belt 5, and is parallel to the extending direction of the third linear segment and is fixedly connected to one end of the fifth rod 852 close to the conveying belt 5; the third elastic member 87 is a spring, and abuts against the guide bar 86 and the fourth bar 851 of the second holder 85 in the sliding contact direction of the guide bar 86. After the shaping portion 661 of the tool 6 is guided by the guide wheel 83, the flat 6611 of the shaping portion 661 moves to abut against the side of the guide bar 86 facing the conveyor belt 5 while continuing to move with the conveyor belt 5, thereby maintaining a stable posture under the guidance of the guide bar 86.

The fourth straight line section in the revolving path of the conveyor belt 5 is arranged behind the first straight line section and in front of the second straight line section, and the fourth straight line section is arranged on the side of the rectangular revolving path of the conveyor belt 5 opposite to the second straight line section.

As shown in fig. 1 and 5, the turning unit 9 is mounted on the frame 1 corresponding to the fourth linear segment and located in front of the second polishing station, and includes a fixed seat 91, a sliding block 92, a turning finger 93 and a fourth elastic member (not shown in the figure); the fixed seat 91 is fixedly connected with the frame 1; the sliding block 92 is slidably arranged on the fixed seat 91 along the extending direction of the fourth straight line segment, and a rack part 921 is arranged on one surface of the sliding block facing the conveyer belt 5; the rack portion 921 extends parallel to the fourth linear section; the steering finger 93 includes a rotating portion 931 and a stopper arm 932; the rotating portion 931 is pivotally connected to the fixing base 91 in a vertical direction, and a side wall thereof is provided with a gear surface 9311 adapted to engage with the rack portion 921; one end of the limiting arm 932 is fixedly connected to the side wall of the rotating part 931, and the other end thereof extends towards the conveyor belt 5; the fourth elastic member is a spring, and abuts against the fixed seat 91 and the sliding block 92; the frame 1 is provided with a guide surface 13 and a guide surface 14; the guide surface 13 is located before the stopper arm 932 in the conveying direction of the conveyor belt 5; the guide surface 14 is located behind the stopper arm 932 in the conveying direction of the conveyor belt 5, and both the guide surface 13 and the guide surface 14 extend along a fourth straight line segment; when the first edge of the contact plate 662 on the tool 6 contacts the guide surface 13, the vehicle enters the steering unit 9; when the tool 6 passes through the steering unit 9, the limiting arm 932 is abutted against the abutting part 6621 so as to enable the abutting plate 662 to rotate around the axis of the base 61 and enable the second edge, adjacent to the first edge, of the abutting plate 662 to rotate to be parallel to the extending direction of the fourth straight line section and to be attached to the guide surface 14, so that the tool 6 and the product 100 are turned to a preset angle, the requirement that the second polishing station polishes a specific part on the product 100 can be met, the selectable functions of the equipment are rich, the utilization rate is high, and the production requirement can be met easily; when the abutting plate 662 is rotated to the right position, the abutting portion 6621 continues to move along with the conveyor belt 5 and disengages from the limiting arm 932, and at this time, the fourth elastic member pushes the sliding block 92 to reset to wait for the next tool 6 to enter.

As shown in fig. 12, in this embodiment, a notch is provided on the frame 1 for extending the limiting arm 932; the guide surface and the guide surface are respectively arranged at two sides of the notch; the fixing seat 91 is detachably mounted on the frame 1 through screw connectors such as bolts and the like, and can be mounted on the frame 1 according to process requirements, so that the applicability is high; when the fixing seat 91 is not installed on the frame 1, a joint block can be fixed at the notch, so that the guide surface and the guide surface can be smoothly jointed and the tool 6 can be ensured to move stably.

In the actual production of the rotary conveying device 10 provided by the utility model, firstly, a proper base 61 is selected according to the specification of a product 100 and is installed on the connecting structure 66, the motor is started, and the product 100 is sleeved on the loading and unloading station in the same direction; when the tool 6 and the product 100 enter the second polishing station, the limiting arm 932 of the steering finger 93 abuts against the abutting part 6621, so that the base 61 drives the product 100 to rotate, and the polishing machine of the second polishing station can polish the specific part of the product 100; when the tool 6 and the product 100 enter the first polishing station, the gear 654 on the tool 6 is meshed with the rack 12 on the rack 1 and rotates in the process of moving along with the conveyer belt 5, the base 61 and the product 100 rotate, and the polisher on the first polishing station can polish the product 100 in the full circumferential direction; when the tooling 6 and the product 100 enter the shaping station, the plane 6611 on the shaping part 661 is not aligned with the guide wheel 83, the arc 6612 of the shaping part 661 on the tooling 6 is driven by the guide wheel 83 through friction to rotate, when the plane 6611 of the shaping part 661 rotates to be attached to the guide wheel 83, the tooling 6 stops rotating and continues to move, the shaping parts 661 of each tooling 6 can ensure consistent orientation under reliable guidance of the guide rod 86, thus, when each tooling 6 and product 100 enter the first straight line segment, the rotating part 64 on the tooling 6 faces the inner side of the conveyor belt 5; when the tool 6 and the product 100 enter the loading and unloading station, the rotating member 64 rotates toward the positioning screw 6122 by the first inclined surface 721, the clamping member 62 unlocks the product 100, and at this time, the polished product 100 can be taken down from the tool 6, and a new product 100 is sleeved on the tool 6, so that a complete process is completed.

The rotary conveying device 10 in the application has the advantages that the conveying belt 5 is tensioned between the first tensioning unit 3 and the second tensioning unit 4, the first tensioning unit 3 is installed on the adjusting seat 2, the position of the adjusting seat 2 can be adjusted relative to the frame 1 along the first direction, and therefore, in the using process of the rotary conveying device, once the conveying belt 5 is in a loosening state, the tension degree of the conveying belt 5 can be adjusted through adjusting the position of the adjusting seat 2, and the normal operation of the rotary conveying device is guaranteed.

The description of the above specification and examples is intended to be illustrative of the scope of the present application and is not intended to be limiting.

Claims (10)

1. A rotary conveying device is characterized by comprising a rack, an adjusting seat, a first tensioning unit, a second tensioning unit and an annular conveying belt;

the adjusting seat is mounted on the rack and is suitable for adjusting the position along a horizontal first direction relative to the rack through an adjusting structure; the first tensioning unit is mounted on the adjusting seat; the second tensioning unit is mounted to the frame and arranged opposite to the first tensioning unit along the first direction; the conveying belt is tensioned between the first tensioning unit and the second tensioning unit.

2. A rotary transport apparatus as claimed in claim 1, wherein said adjustment structure is a lead screw slider mechanism; a lead screw of the lead screw sliding block mechanism is axially connected to the rack in a limiting manner along the first direction; and the sliding block of the lead screw sliding block mechanism is fixedly connected with the adjusting seat.

3. A rotary conveyor assembly as in claim 1 including a plurality of tooling and handling stations;

the revolution path of the conveyor belt comprises a first straight line segment; the first straight line segment corresponds to a loading and unloading station;

the tool is arranged on the conveying belt and comprises a base, a clamping piece, a first elastic piece and a rotating piece; the base is vertically arranged, and the top end of the base is suitable for sleeving a product with a hole; the clamping piece is pivoted to the base through a horizontal pivot, and a first end of the clamping piece is configured to abut against the hole wall of the product and lock the product; the first elastic piece acts on the base and the clamping piece so that the first end of the clamping piece is kept in contact with the hole wall of the product; the rotating part is rotatably connected with the second end of the clamping part by a first shaft, the outer wall of the rotating part is a revolution surface taking the first shaft as a revolution shaft, and the outer wall of the rotating part is protruded out of the base at least when the first end of the clamping part is abutted against the hole wall of a product; the first shaft is parallel to a connecting line of the rotating center of the clamping piece and the first end of the clamping piece; when each tool enters the first straight line segment, the pivot of the clamping piece is parallel to the extending direction of the first straight line segment, and each rotating piece faces to the same side;

the loading and unloading platform is arranged on the frame, corresponds to the loading and unloading station, and is sequentially provided with a first inclined surface and a butting surface smoothly connected with the first inclined surface along the conveying direction of the conveying belt on a first straight line section; the first inclined surface and the abutting surface face the conveying belt and are suitable for the rotating piece to abut against; the first inclined surface is gradually close to the conveying belt along the conveying direction of the conveying belt on the first straight line segment; the abutting surface is parallel to the extending direction of the first straight line segment; in the process that the rotating member abuts against the first inclined surface, the rotating member gradually rotates toward the pivot side of the clamping member.

4. A rotary conveyor assembly as in claim 3 wherein said platform is further provided with a second inclined surface; the second inclined surface is smoothly connected to the abutting surface along the conveying direction of the conveyor belt in the first straight line segment, and then the second inclined surface gradually gets away from the conveyor belt along the conveying direction of the conveyor belt in the first straight line segment.

5. A rotary conveyor assembly as in claim 3 wherein the rotary path of the conveyor belt further comprises a second linear section disposed after the first linear section; the second straight line section corresponds to a first polishing station;

the rack is provided with a rack corresponding to the first polishing station; the rack is parallel to the extending direction of the second straight line section, and the tooth surface of the rack faces the conveying belt;

the base is suitable for rotating around a vertical axis relative to the conveying belt; the tool is provided with a gear; the gear is coaxially and fixedly connected with the base and is suitable for being meshed with the rack.

6. A rotary transport device as claimed in claim 5, further comprising a shaping unit;

the revolving path of the conveying belt further comprises a third straight line section arranged behind the second straight line section and in front of the first straight line section;

the shaping unit is arranged on the rack corresponding to the third straight line section and comprises a first support, a plurality of sliding rods, a plurality of guide wheels and a plurality of second elastic pieces; the first support is fixedly connected with the frame; the sliding rods are arranged along the extending direction of the third straight line section; the sliding rods are horizontally arranged, are vertical to the extending direction of the third straight-line segment and are connected to the first support in a sliding mode along the extending direction of the sliding rods; each guide wheel corresponds to each slide bar respectively and is connected to one end, facing the conveying belt, of each slide bar in a vertical pivot rotation mode; the second elastic piece abuts against the sliding rod and the support along the sliding connection direction of the sliding rod, and in the state that the second elastic piece releases energy, the guide wheels are arranged in a flush mode along the extending direction of the third straight line section;

the tool is provided with a shaping part fixedly connected with the base, and the side wall of the shaping part comprises a plane and an arc surface which are connected with each other; the planes are vertically arranged; the arc surface is coaxial with the pivot of the base; when the base moves to the third straight line section, the arc surface is suitable for rotating under the guidance of the guide wheel until the plane is adjusted to be attached to the guide wheel.

7. The rotary transporter as claimed in claim 6, wherein the reforming unit further comprises a second support, a guide rod and a third elastic member;

the second support is connected behind the first support along the conveying direction of the third straight line section of the conveying belt; the guide rod is used for guiding the plane motion along the conveying direction of the conveying belt in a third straight-line segment, is parallel to the extension direction of the third straight-line segment and is in sliding contact with the second support, and the sliding contact direction of the guide rod is parallel to that of the slide rod; the third elastic piece abuts against the guide rod and the second support along the sliding connection direction of the guide rod.

8. A rotary conveyor apparatus according to claim 6 or 7, further comprising a steering unit;

the revolving path of the conveying belt further comprises a fourth straight line section arranged behind the first straight line section and in front of the second straight line section; the fourth straight line section corresponds to a second polishing station;

the steering unit is arranged on the rack corresponding to the fourth linear section and positioned in front of the second polishing station, and comprises a fixed seat, a sliding connection block, a steering finger and a fourth elastic piece; the fixed seat is fixedly connected with the frame; the sliding connection block is arranged on the fixed seat in a sliding mode along the extending direction of the fourth straight line section, and a rack part is arranged on one surface, facing the conveying belt, of the sliding connection block; the steering finger comprises a rotating part and a limiting arm; the rotating part is connected to the fixed seat in a vertical pivot rotating mode, and a gear surface suitable for being attached to the rack part is arranged on the side wall of the rotating part; one end of the limiting arm is fixedly connected with the side wall of the rotating part, and the other end of the limiting arm extends towards the conveying belt; the fourth elastic piece is abutted against the fixed seat and the sliding connection block;

the frame is provided with a guide surface and a guide surface; the guide surface is located before the stopper arm in the conveying direction of the conveyor belt; the guide surface is positioned behind the limiting arm in the conveying direction of the conveying belt, and both the guide surface and the guide surface extend along the fourth straight line section;

the tool is provided with a polygonal abutting plate; the abutting plate is coaxially and fixedly connected with the base, and abutting parts are arranged at all corners of the surface of the abutting plate; before the tool enters the steering unit, the first edge of the abutting plate is abutted to the guide surface; when the tool passes through the steering unit, the limiting arm abuts against the abutting part so that the abutting plate rotates around the axis of the base and rotates until a second edge adjacent to the first edge abuts against the guide surface, and the limiting arm rotates until the limiting arm abuts against the guide surface; when the abutting plate rotates in place, the abutting part is separated from the limiting arm, and the fourth elastic piece pushes the sliding connection block to reset.

9. The rotary conveyor assembly according to claim 1, wherein said first tensioning unit comprises a first drive sprocket, a first drive sprocket shaft, a first driven sprocket and a first driven sprocket shaft; the first driving chain wheel shaft and the first driven chain wheel shaft are both vertically arranged and are both mounted on the adjusting seat; the first driving chain wheel and the first driven chain wheel are respectively and rotationally connected to the first driving chain wheel shaft and the first driven chain wheel shaft;

the second tensioning unit comprises a second driving chain wheel, a second driving chain wheel shaft, a second driven chain wheel and a second driven chain wheel shaft; the second driving chain wheel shaft and the second driven chain wheel shaft are both vertically arranged and are both mounted on the rack; the second driving chain wheel and the second driven chain wheel are respectively and rotationally connected to the second driving chain wheel shaft and the second driven chain wheel shaft;

the conveyer belt is a chain belt, and is tensioned among the first driving chain wheel, the first driven chain wheel, the second driving chain wheel and the second driven chain wheel.

10. The rotary transport device of claim 9, further comprising a first drive unit and a second drive unit; the first driving unit is arranged on the adjusting seat, and an output shaft of the first driving unit is fixedly connected with the first driving chain wheel shaft to drive the first driving chain wheel shaft to rotate; the second driving unit is arranged on the frame, and an output shaft of the second driving unit is fixedly connected with the second driving chain wheel shaft to drive the second driving chain wheel shaft to rotate.

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