CN217707542U - High-speed precise chain link dividing device - Google Patents

Abstract

The utility model relates to the technical field of chain transmission, in particular to a high-speed precise chain link dividing device, which comprises an annular guide mechanism, a chain conveyor belt arranged around the annular guide mechanism for a circle and a driving mechanism for driving the chain conveyor belt to circularly move along the annular guide mechanism, wherein the chain conveyor belt is arranged on the outer side surface of the annular guide mechanism along the circumferential direction of the annular guide mechanism; the annular guide mechanism comprises a guide rail and a moving groove formed in the outer side surface of the guide rail and used for allowing the chain type conveying belt to pass through, the chain type conveying belt comprises a plurality of chain blocks which are sequentially connected in a rotating mode and used for mounting product carriers, and a rolling assembly which is connected with the chain blocks and matched with the moving groove of the annular guide mechanism in a rolling mode. The utility model discloses can prevent effectively that chain conveyor from rocking and improving chain conveyor's positioning accuracy.

Description

High-speed precise chain link dividing device

Technical Field

The utility model relates to a chain drive technical field, in particular to high-speed accurate chain link indexing means.

Background

The existing automatic conveying line generally comprises a linear type and an annular type, the linear type is not suitable for multi-station processing, the annular conveying line can reduce the occupied area, and the conveying line is suitable for multi-station production. Current annular transfer chain is like patent number CN 216334750U's annular guide rail mechanism, comprises a workbench, the last surface mounting of workstation has the driving gear, driven gear, the lower surface mounting of workstation has the motor, the motor drive driving gear, the driving gear, be connected with annular chain between the driven gear, the last surface mounting of workstation has the slide rail, the slide rail includes the straightway, the segmental arc, the straightway, the segmental arc is connected and is formed the circularity, the slide rail is located the outside of chain, slide on the slide rail and be equipped with the slide, the slide is connected with the chain, drive the slide and slide along the slide rail when chain rotates and slide. An annular storage device based on arc guide rails, as disclosed in publication No. CN108146993A, comprises an annular guide rail structure, wherein two ends of the annular guide rail structure are symmetrically provided with two identical arc roller guide rails, and the two arc roller guide rails are connected through two parallel linear roller guide rails; the inside of annular guide rail structure is equipped with sprocket chain transmission, and the one end of chain is provided with drive sprocket, and the other end is provided with driven sprocket, the annular guide rail structure evenly is provided with the slide that a plurality of and gyro wheel guide rail match, the inboard and the chain fixed connection of slide, the outside and the positioning mechanism swing joint of slide, the top of slide is provided with the tool of placing the target product.

The annular conveying lines in the prior art all adopt the mode of annular guide rails provided with the sliding blocks and chain transmission (or synchronous belt transmission) of the chain wheels to enable the annular conveying lines to circularly run, so that the driving wheels can be controlled to control products on the sliding blocks to be conveyed to a specified position; when the sliding block passes through the arc section, only part of rollers on the sliding block are in contact with the roller paths, so that the sliding block can shake, the bearing capacity of the roller paths of the arc section can be greatly reduced, certain impact can be formed when the sliding block passes through the arc section, the service life of the whole conveying line is shortened, and the linear velocity cannot be too high due to poor rigidity of the arc section and shaking; when the linear velocity is too high, it will produce very big impact and produce very big noise, in addition because the chain or hold-in range can produce very big rocking of amplitude when high-speed operation, therefore the functioning speed of transfer chain among the prior art can not be too high, make the operating efficiency of transfer chain lower, chain drive structure has the shortcoming that return error is big in addition, when the accurate higher condition in location to the product of carrying is used in to the annular transfer chain of prior art, for example use automatic AOI equipment to detect etc. to the product location under the more accurate and faster condition of functioning speed, adopt current chain + ring rail's transmission mode hardly to satisfy the operation requirement, need carry out the secondary positioning, the structure is complicated efficiency is slower, simultaneously, because need set up chain and ring rail simultaneously, make current chain wheel chain and ring rail structure's annular transfer chain volume is great with ring rail structure, account for and account for the annular transfer chain of the structure is great

The space is large.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a high-speed accurate chain link indexing means carries and the accurate positioning to waiting to detect the product fast through the accurate chain link conveying line that adopts the structure to play closely, improves the transport and the detection rate to the product.

In order to achieve the above purpose, the basic scheme of the utility model is as follows:

a high-speed precise chain link dividing device comprises an annular guide mechanism, a chain type conveying belt arranged around the annular guide mechanism in a circle and a driving mechanism used for driving the chain type conveying belt to circularly move along the annular guide mechanism, wherein the chain type conveying belt is arranged on the outer side surface of the annular guide mechanism along the circumferential direction of the annular guide mechanism; the annular guide mechanism comprises a guide rail and a moving groove formed in the outer side surface of the guide rail and used for allowing the chain type conveying belt to pass through, the chain type conveying belt comprises a plurality of chain blocks which are sequentially connected in a rotating mode and used for mounting product carriers, and a rolling assembly which is connected with the chain blocks and matched with the moving groove of the annular guide mechanism in a rolling mode.

Through the arrangement, the chain type conveying belt is limited to roll and move in the moving groove on the guide rail, the chain type conveying belt can be effectively prevented from shaking in moving when the moving speed of the chain type conveying belt is improved, chain blocks forming the chain type conveying belt are used as chain links of a transmission chain and are used as a mounting seat of a product carrier, the chain and the slide rail are not required to be separately arranged, a slide seat connected with the slide rail in a sliding mode is independently arranged to serve as the product carrier, and the size of the whole device is reduced.

Further, the annular guide mechanism comprises two linear guide rails arranged in parallel, a first arc-shaped guide rail connected with first ends of the two linear guide rails, and a second arc-shaped guide rail connected with second ends of the two linear guide rails; the outer side surfaces of the two linear guide rails are respectively provided with the moving groove, and the chain block is accommodated in the moving grooves and moves along with the rolling matching of the rolling assembly and the moving grooves;

the rolling assembly comprises a rolling piece which is rotatably connected with the rotating shaft and horizontally rolls, and the rolling surface of the rolling piece is in rolling fit with the groove wall of the moving groove.

Further, the rolling assembly further comprises a follower which is arranged on the inner side face of the chain block and vertically rolls, and the rolling piece and the follower are in rolling fit with the groove wall of the moving groove and respectively limit the chain block to move in the horizontal direction and the vertical direction.

Further, the rolling element comprises an upper bearing set which is rotatably connected with the upper end of the rotating shaft and a lower bearing set which is rotatably connected with the lower end of the rotating shaft, the follower comprises an upper cam bearing follower and a lower cam bearing follower which are arranged at intervals up and down, and the upper cam bearing follower and the lower cam bearing follower are both vertical to the inner side surface of the chain block;

the moving groove comprises a transverse groove for allowing the chain block to pass through, an upper rolling groove for allowing the upper bearing set to pass through, a lower rolling groove for allowing the lower bearing set to pass through, an upper cam groove which is concavely arranged on the inner side groove wall of the transverse groove and allows the upper cam bearing follower to pass through in a rolling manner, and a lower cam groove for allowing the lower cam bearing follower to pass through in a rolling manner, the upper cam bearing follower is in rolling connection with the upper side groove wall or the lower side groove wall of the upper cam groove, and the lower cam bearing follower is in rolling connection with the lower side groove wall or the upper side groove wall of the lower cam groove.

Further, the upper bearing set and the lower bearing set both comprise two bearings which are coaxially arranged; the upper end and the lower end of the outer side surface of the linear guide rail are respectively and fixedly connected with an upper baffle and a lower baffle which are used for preventing the upper bearing group and the lower bearing group from moving in the direction away from the linear guide rail, the inner side surfaces of the upper baffle and the lower baffle, which are close to the linear guide rail, are respectively provided with a first step surface in an inward protruding mode, the inner side groove walls of the upper rolling groove and the lower rolling groove are respectively provided with a second step surface in an outward protruding mode, and the second step surfaces and the first step surfaces are arranged in a staggered mode on a vertical projection surface; when the upper bearing group and the lower bearing group respectively move in the upper rolling groove and the lower rolling groove along the length direction of the linear guide rail, one bearing in the upper bearing group and the lower bearing group is in surface contact with the first step, and the other bearing in the upper bearing group and the lower bearing group is in surface contact with the second step.

Further, the first arc-shaped guide rail comprises an upper wheel disc which is connected with the first ends of the two linear guide rails and can rotate and a lower wheel disc which is arranged below the upper wheel disc in parallel, and arc-shaped grooves matched with the upper bearing set and the lower bearing set are respectively arranged on the peripheral surfaces of the upper wheel disc and the lower wheel disc; the driving mechanism comprises a driving motor, and an output shaft of the driving motor is coaxially connected with the upper wheel disc and the lower wheel disc to drive the upper wheel disc and the lower wheel disc to synchronously rotate.

Further, the driving motor is connected with the first end of the linear guide rail through a fixing assembly, the fixing assembly comprises an upper fixing plate and a lower fixing plate, the upper fixing plate is located above the upper wheel disc, the lower fixing plate is located below the lower wheel disc, one end of the upper fixing plate and one end of the lower fixing plate are rotatably connected with an output shaft of the driving motor, and the other end of the upper fixing plate and the other end of the lower fixing plate are fixedly connected with the first end of the linear guide rail.

Further, the second arc-shaped guide rail comprises a semicircular upper arc plate and a lower arc plate which is arranged below the upper arc plate in parallel, the upper bearing group is in rolling contact with the arc-shaped peripheral surface of the upper arc plate, and the lower bearing group is in rolling contact with the arc-shaped peripheral surface of the lower arc plate;

go up the last arc board that sets up of arc board and the last regulating plate of distance between the linear guide, set up down on the arc board be used for adjusting down the arc board with the lower regulating plate of distance between the linear guide, the one end of going up the regulating plate with go up arc board fixed connection, the other end of going up the regulating plate with linear guide's second end can be dismantled and be connected, the one end of regulating plate down with arc board fixed connection down, the other end of regulating plate down with linear guide's second end can be dismantled and be connected.

Furthermore, the periphery of the lower arc plate and the periphery of the lower wheel disc are provided with lower sinking platforms, the periphery of the upper arc plate and the periphery of the upper wheel disc are provided with upper sinking platforms, the distance between each upper sinking platform and each lower sinking platform is larger than the vertical dimension of the chain block, the lower cam bearing follower is in rolling contact with the upper surface of the lower arc plate and the upper surface of the lower wheel disc in the moving process of the chain conveyor belt, the upper cam bearing follower is in rolling contact with the lower surface of the upper arc plate and the lower surface of the upper wheel disc, and the chain block passes through a gap between the lower sinking platform and the upper sinking platform.

Furthermore, the two linear guide rails are fixedly connected through a connecting plate, the connecting plate is positioned between the two linear guide rails and is arranged in parallel with the linear guide rails, and grooves are formed in the upper surface and the lower surface of the connecting plate along the length direction of the linear guide rails; the upper fixed plate the bottom plate the upper regulating plate with all set up on the regulating plate down with recess sliding fit's on the connecting plate lug, just the other end of upper fixed plate, bottom plate, upper regulating plate and bottom regulating plate all with the corresponding end fixed connection of connecting plate.

Compared with the prior art, the high-speed precise chain link dividing device of the utility model limits the moving direction of the chain block in the linear guide by arranging the chain block which is mutually and sequentially connected in a rotating way, arranging the upper bearing group, the lower bearing group, the upper cam bearing follower and the lower cam bearing follower on the chain block, and respectively arranging the upper rolling groove, the lower rolling groove, the upper cam bearing follower and the lower cam bearing follower which are respectively matched with the upper bearing group, the lower bearing group, the upper cam bearing follower and the lower cam bearing follower in the linear guide, so that the chain conveyor belt can not shake in the vertical direction and the horizontal direction in the moving process; the distance between the first arc-shaped guide rail and the connecting plate and the distance between the second arc-shaped guide rail and the connecting plate can be adjusted to achieve the purpose of tensioning the chain blocks which are rotationally connected with each other, so that the return error among the chain blocks is greatly reduced, and the positioning precision of the chain conveyor belt is improved; the utility model discloses a combine the chain that plays the transmission among the prior art and the slide rail that plays the guide effect as an organic whole, reduced the volume of device when improving the positioning accuracy to carrying the product, reduced the occupation space of device.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view of fig. 1 with the linear guide and the chain conveyor removed.

Fig. 3 is a schematic diagram of the position relationship between the linear guide rail and the chain block.

Fig. 4 is a schematic view of a linear guide structure.

Fig. 5 is a schematic view of the combination of the linear guide rail and the chain block.

Fig. 6 is an enlarged view of a portion a in fig. 5.

Fig. 7 is a schematic view of a chain conveyor belt structure.

Fig. 8 is a schematic view of the combination of the chain conveyor and the second curved track.

Fig. 9 is a schematic view of the combination of the chain conveyor and the first curved track.

The reference numbers in the figures mean:

a linear guide rail-10; an upper rolling groove-101; a lower rolling groove-102; an upper cam groove-103; a lower cam groove-104; an upper baffle-105; a lower baffle-106; a first step surface-107; a second step surface-108; a transverse groove-109; chain block-20; a rotating shaft-201; upper bearing set-202; a lower bearing set-203; an upper cam bearing follower-204; a lower cam bearing follower-205; a connecting plate-30; groove-301; an upper wheel disc-401; a lower wheel disc-402; an arc-shaped groove-403; an upper fixing plate-404; a lower fixing plate-405; an upper arc plate-501; a lower arc plate-502; an upper adjusting plate-503; a lower adjustment plate-504; a bump-505; sink table-506; the motor-60 is driven.

Detailed Description

The following is a more detailed description of the present invention by way of specific embodiments.

The utility model discloses a high-speed precision chain link dividing device which can improve the conveying speed and the positioning precision of products in an annular conveying line, and comprises an annular guide mechanism, a chain conveying belt arranged around the annular guide mechanism for a circle and a driving mechanism used for driving the chain conveying belt to circularly move along the annular guide mechanism, wherein the chain conveying belt is arranged on the outer side surface of the annular guide mechanism along the circumferential direction of the annular guide mechanism; the annular guide mechanism comprises a guide rail and a moving groove formed in the outer side surface of the guide rail and used for allowing the chain type conveying belt to pass through, the chain type conveying belt comprises a plurality of chain blocks which are sequentially connected in a rotating mode and used for mounting product carriers, and a rolling assembly which is connected with the chain blocks and matched with the moving groove of the annular guide mechanism in a rolling mode.

As shown in fig. 1 and 3, the annular guide mechanism includes two linear guide rails 10 arranged horizontally in parallel, a first arc-shaped guide rail connected to first ends of the two linear guide rails, and a second arc-shaped guide rail connected to second ends of the two linear guide rails. The linear guide 10 can be fixedly connected with the ground or other fixed objects by using a support member such as a bracket. Two through connecting plate 30 fixed connection between linear guide 10, connecting plate 30 is located two between the linear guide 10 and with linear guide 10 parallel arrangement, connecting plate 30 can adopt the aluminium alloy to make, and it passes through detachable adapting unit such as screws with the linear guide 10 of both sides to be connected, all follows on connecting plate 30's upper surface and the lower surface linear guide 10's length direction sets up recess 301.

As shown in fig. 7, the chain blocks 20 are vertically arranged block-shaped bodies, two adjacent chain blocks 20 are rotatably connected through a vertically arranged rotating shaft 201, and the outer wall of the chain block 20 is provided with a mounting hole for mounting a product carrier. The rolling assembly comprises an upper bearing set 202 rotatably connected with the upper end of the rotating shaft 201, a lower bearing set 203 rotatably connected with the lower end of the rotating shaft 201, and an upper cam bearing follower 204 and a lower cam bearing follower 205 arranged on the inner side surface of the chain block 20. The upper bearing set 202 and the lower bearing set 203 each include two bearings coaxially arranged at an interval, so that the two bearings in the same bearing set can rotate independently. Referring to fig. 5, the upper cam bearing follower 204 and the lower cam bearing follower 205 are both perpendicular to the inner side surface of the chain block 20, the upper cam bearing follower 204 and the lower cam bearing follower 205 are arranged at intervals up and down, the upper cam bearing follower 204 and the lower cam bearing follower 205 are both conventional cam bearing followers, the chain block 20 is provided with bolt holes, and the upper cam bearing follower 204 and the lower cam bearing follower 205 are bolted to the chain block 20 through bolts provided by the chain block.

As shown in fig. 3 to 5, a side wall of the linear guide 10 close to the connecting plate 30 is an inner side, a side wall of the linear guide 10 far from the connecting plate 30 is an outer side, the moving groove is disposed on the outer side of the linear guide 10, the moving groove includes a transverse groove 109 for allowing the chain block 20 to pass through, an upper rolling groove 101 for allowing the upper bearing set 202 to pass through, a lower rolling groove 102 for allowing the lower bearing set 203 to pass through, an upper cam groove 103 recessed in an inner side groove wall of the transverse groove 109 and allowing the upper cam bearing follower 204 to pass through in a rolling manner, and a lower cam groove 104 for allowing the lower cam bearing follower 205 to pass through in a rolling manner, the upper cam bearing follower 204 is in a rolling manner with an upper side groove wall of the upper cam groove 103, the lower cam bearing follower 205 is in a rolling manner with a lower side groove wall of the lower cam groove 104, or the upper cam bearing follower 204 is in a rolling manner with a lower side groove wall of the upper cam groove 103, the lower cam bearing follower 205 is in a rolling manner, so that the upper cam bearing follower 204 and the upper cam bearing follower 205 are connected with the upper cam groove 103 to restrict the upper cam bearing groove 103 from rocking in a vertical direction, and the upper cam bearing follower 104 is preferably connected to the upper cam follower groove 103, and the upper cam follower 205 is connected to prevent the upper cam bearing follower 104 from rocking in the upper cam follower groove 103.

As shown in fig. 3 to 6, an upper baffle 105 and a lower baffle 106 for preventing the upper bearing set 202 and the lower bearing set 203 from moving away from the linear guide 10 are fixedly connected to the upper end and the lower end of the outer side surfaces of the two linear guides 10, respectively, a first step surface 107 is provided on the inner side surface of the upper baffle 105 and the lower baffle 106 close to the linear guide 10 in an inward protruding manner, a second step surface 108 is provided on the inner side groove wall of the upper rolling groove 101 and the lower rolling groove 102 in an outward protruding manner, the positional relationship between the first step surface 107 and the second step surface 108 is represented by the projection offset arrangement of the first step surface 107 and the second step surface 108 in the normal direction of the first step surface 107 or the second step surface 108, that is, the projection of the first step surface 107 and the projection of the second step surface 108 in the width direction of the linear guide 10 do not coincide, when the upper bearing set 202 moves in the upper rolling groove 101 along the length direction of the linear guide 10, one bearing in the upper bearing set 202 is in rolling contact with the first step surface 107 and is arranged in a gap with the linear guide 10, the other bearing in the upper bearing set 202 is in rolling contact with the second step surface 108 and is arranged in a gap with the upper baffle 105, the lower bearing set 203 moves in the lower rolling groove 102 in the same manner as the upper bearing set 202 moves in the upper rolling groove 101, so that each bearing in the upper bearing set 202 and the lower bearing set 203 can freely rotate when the chain block 20 moves in the length direction of the linear guide 10, and the upper bearing set 202 and the lower bearing set 203 prevent the chain block 20 from moving in the width direction of the linear guide 10, and further prevent the chain conveyor belt in motion from shaking in the width direction of the linear guide 10.

The driving mechanism comprises a driving motor 60, the driving motor 60 is externally connected with a power supply, the driving motor 60 adopts a servo motor which can be controlled by a program, and the axis of the output shaft of the driving motor 60 is positioned on a vertical plane which has the same distance from the two linear guide rails 10.

Referring to fig. 1, 2, and 9, the first arc guide rail includes an upper wheel disc 401 connected to the first ends of the two linear guide rails 10 and capable of rotating, and a lower wheel disc 402 disposed in parallel below the upper wheel disc 401, an output shaft of the driving motor 60 is coaxially and fixedly connected to the upper wheel disc 401 and the lower wheel disc 402 to drive the upper wheel disc 401 and the lower wheel disc 402 to rotate synchronously, arc grooves 403 respectively uniformly distributed on the circumferential surface of the upper wheel disc 401 and the circumferential surface of the lower wheel disc 402 and matched with the upper bearing set 202 and the lower bearing set 203, an upper fixing plate 404 is disposed above the upper wheel disc 401, and a lower fixing plate 405 is disposed below the lower wheel disc 402. As shown in fig. 3, a protrusion 505 slidably engaged with the groove 301 of the connecting plate 30 is integrally formed on both the lower surface of the upper fixing plate 404 and the upper surface of the lower fixing plate 405, one end of the upper fixing plate 404 is rotatably connected to the output shaft of the driving motor 60, the protrusion 505 at the other end of the upper fixing plate 404 is located in the groove 301 on the upper surface of the connecting plate 30, and the other end of the upper fixing plate 404 is fixedly connected to the connecting plate 30 by a screw. One end of the lower fixing plate 405 is rotatably connected with the output shaft of the driving motor 60, the protrusion 505 at the other end of the lower fixing plate 405 is located in the groove 301 on the lower surface of the connecting plate 30, the other end of the lower fixing plate 405 is fixedly connected with the connecting plate 30 through a screw, and a certain distance can be kept between the output shaft of the driving motor 60 and the connecting plate 30 through the connection between the upper fixing plate 404 and the lower fixing plate 405.

Referring to fig. 1, 2, and 8, the second arc-shaped guide rail includes an upper arc plate 501 and a lower arc plate 502, which are arranged in parallel and are semicircular, the lower arc plate 502 is arranged below the upper arc plate 501, an arc surface of the upper arc plate 501 and an arc surface of the lower arc plate 502 are respectively tangent to the side walls of the upper rolling groove 101 and the lower rolling groove 102 on the linear guide rail 10, the upper bearing set 202 is in rolling contact with an arc circumferential surface of the upper arc plate 501, the lower bearing set 203 is in rolling contact with an arc circumferential surface of the lower arc plate 502, and a support plate is arranged between the upper arc plate 501 and the lower arc plate 502 to fixedly connect the upper arc plate 501 and the lower arc plate 502.

The upper arc plate 501 is provided with an upper adjusting plate 503 for adjusting the distance between the upper arc plate 501 and the linear guide rail 10, the lower arc plate 502 is provided with a lower adjusting plate 504 for adjusting the distance between the lower arc plate 502 and the linear guide rail 10, the lower surface of the upper adjusting plate 503 is provided with a lug 505 matched with a groove 301 on the upper surface of the connecting plate 30, one end of the upper adjusting plate 503 is fixedly connected with the upper arc plate 501, the lug 505 on the other end of the upper adjusting plate 503 is in sliding fit with the groove 301 on the upper surface of the connecting plate 30, the upper adjusting plate 503 is connected with the connecting plate 30 through a screw, the upper surface of the lower adjusting plate 504 is provided with a lug 505 matched with the groove 301 on the lower surface of the connecting plate 30, one end of the lower adjusting plate 504 is fixedly connected with the lower arc plate 502, the lug 505 on the other end of the lower adjusting plate 504 is in sliding fit with the groove 301 on the lower surface of the connecting plate 30, the upper adjusting plate 503 is connected with the connecting plate 30 through a screw, and the upper connecting plate 501 and the lower arc plate 30 are adjusted through sliding the upper connecting plate and the lower connecting plate 30, so that the chain type conveyer belt is kept in a tensioning state.

As shown in fig. 2, 8 and 9, the lower arc plate 502 and the lower wheel disc 402 are provided with a lower sinking platform 506 along the circumference, the upper arc plate 501 and the upper wheel disc 401 are provided with an upper sinking platform symmetrical to the lower sinking platform 506 along the circumference, the distance between the upper sinking platform and the lower sinking platform 506 is greater than the vertical dimension of the chain block 20, the bearing on the lower cam bearing follower 205 is in rolling contact with the upper surface of the lower arc plate 502 and the upper surface of the lower wheel disc 402 during the movement of the chain conveyor belt, the bearing on the upper cam bearing follower 204 is in rolling contact with the lower surface of the upper arc plate 501 and the lower surface of the upper wheel disc 401, and the chain block 20 passes through the gap between the lower sinking platform 506 and the upper sinking platform.

The utility model discloses a when high-speed accurate chain link indexing means specifically uses, with product carrier and chain piece fixed connection, place the product on the product carrier, control driving motor drive goes up the rim plate and rotates with lower rim plate synchronous and then drive whole chain conveyor belt circulation and rotate, and driving motor stall waiting moves once more and drives chain conveyor belt and continue to remove when the product removes the assigned position.

The utility model discloses a high-speed accurate chain link indexing means has following beneficial effect:

1. because the linear guide rail is provided with the upper rolling groove and the lower rolling groove, and the chain block is provided with the upper bearing group matched with the upper rolling groove and the lower bearing group matched with the lower rolling groove, the chain block cannot move in the horizontal direction along the width of the linear guide rail when moving in the moving groove, and the function of preventing the moving chain type conveyor belt from shaking in the horizontal direction is achieved; 2. because the guide rail is provided with the upper cam groove and the lower cam groove, and the chain block is provided with the upper cam bearing follower in rolling connection with the side wall of the upper cam groove and the lower cam bearing follower in rolling connection with the side wall of the lower cam groove, the chain block cannot shake in the vertical direction when moving in the moving groove; 3. when the chain type conveying belt passes through the first arc-shaped guide rail and the second arc-shaped guide rail, the upper bearing group and the lower bearing group on the chain block can be in rolling contact with the peripheral surfaces of the first arc-shaped guide rail and the second arc-shaped guide rail, impact and shaking cannot be generated, and the moving speed of the chain type conveying belt can be greatly improved; 4. compared with the prior art, the chain type conveying belt is not shaken when moving at a high speed and has smaller noise; 5. the utility model discloses can make the tensioning of chain conveyor belt remove through adjusting, reduce the return error, improve the positioning accuracy of link block in the removal, the link block that constitutes chain conveyor belt simultaneously also regards as the mount pad of product carrier as the chain link of driving chain promptly, need not to separately set up chain and slide rail and set up alone and slide with slide rail sliding connection's slide and regard as the product carrier, has reduced the volume of whole device.

The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. The utility model provides a high-speed accurate chain link indexing means, includes annular guiding mechanism, around chain conveyor that annular guiding mechanism a week set up and be used for driving chain conveyor follows annular guiding mechanism endless movement's actuating mechanism which characterized in that: the chain type conveying belt is arranged on the outer side surface of the annular guide mechanism along the circumferential direction of the annular guide mechanism; the annular guide mechanism comprises a guide rail and a moving groove formed in the outer side surface of the guide rail and used for allowing the chain type conveying belt to pass through, the chain type conveying belt comprises a plurality of chain blocks which are sequentially connected in a rotating mode and used for mounting product carriers, and a rolling assembly which is connected with the chain blocks and matched with the moving groove of the annular guide mechanism in a rolling mode.

2. A high speed precision link indexing mechanism as claimed in claim 1, wherein: the annular guide mechanism comprises two linear guide rails arranged in parallel, a first arc-shaped guide rail connected with the first ends of the two linear guide rails and a second arc-shaped guide rail connected with the second ends of the two linear guide rails; the outer side surfaces of the two linear guide rails are respectively provided with the moving groove, and the chain block is accommodated in the moving grooves and moves along with the rolling matching of the rolling assembly and the moving grooves;

the two adjacent chain blocks are rotatably connected through a vertically arranged rotating shaft, the rolling assembly comprises a rolling piece which is rotatably connected with the rotating shaft and horizontally rolls, and the rolling surface of the rolling piece is in rolling fit with the groove wall of the moving groove.

3. A high speed precision link indexing mechanism as claimed in claim 2, wherein: the rolling component further comprises a follower which is arranged on the inner side face of the chain block and vertically rolls, and the rolling component and the follower are in rolling fit with the groove wall of the moving groove and respectively limit the chain block to move in the horizontal direction and the vertical direction.

4. A high speed precision link indexing mechanism as claimed in claim 3, wherein: the rolling piece comprises an upper bearing set which is rotatably connected with the upper end of the rotating shaft and a lower bearing set which is rotatably connected with the lower end of the rotating shaft, the follower comprises an upper cam bearing follower and a lower cam bearing follower which are arranged at intervals up and down, and the upper cam bearing follower and the lower cam bearing follower are both vertical to the inner side surface of the chain block;

the movable groove comprises a transverse groove for allowing the chain block to pass, an upper rolling groove for allowing the upper bearing group to pass, a lower rolling groove for allowing the lower bearing group to pass, an upper cam groove which is concavely arranged on the inner side groove wall of the transverse groove and allows the upper cam bearing follower to pass in a rolling manner, and a lower cam groove for allowing the lower cam bearing follower to pass in a rolling manner, the upper cam bearing follower is in rolling connection with the lower side groove wall or the upper side groove wall of the upper cam groove, and the lower cam bearing follower is in rolling connection with the lower side groove wall or the upper side groove wall of the lower cam groove.

5. A high speed precision link indexing mechanism as claimed in claim 4, wherein: the upper bearing set and the lower bearing set both comprise two bearings which are coaxially arranged; the upper end and the lower end of the outer side surface of the linear guide rail are respectively and fixedly connected with an upper baffle and a lower baffle which are used for preventing the upper bearing group and the lower bearing group from moving in the direction away from the linear guide rail, the inner side surfaces of the upper baffle and the lower baffle, which are close to the linear guide rail, are respectively provided with a first step surface in an inward protruding mode, the inner side groove walls of the upper rolling groove and the lower rolling groove are respectively provided with a second step surface in an outward protruding mode, and the second step surfaces and the first step surfaces are arranged in a staggered mode on a vertical projection surface; when the upper bearing group and the lower bearing group respectively move in the upper rolling groove and the lower rolling groove along the length direction of the linear guide rail, one bearing in the upper bearing group and the lower bearing group is in surface contact with the first step, and the other bearing in the upper bearing group and the lower bearing group is in surface contact with the second step.

6. A high speed precision link indexing mechanism as claimed in claim 5, wherein: the first arc-shaped guide rail comprises an upper wheel disc which is connected with the first ends of the two linear guide rails and can rotate and a lower wheel disc which is arranged below the upper wheel disc in parallel, and arc-shaped grooves matched with the upper bearing group and the lower bearing group are respectively arranged on the peripheral surfaces of the upper wheel disc and the lower wheel disc; the driving mechanism comprises a driving motor, and an output shaft of the driving motor is coaxially connected with the upper wheel disc and the lower wheel disc to drive the upper wheel disc and the lower wheel disc to synchronously rotate.

7. A high speed precision link indexing mechanism as claimed in claim 6, wherein: the driving motor is connected with the first end of the linear guide rail through a fixing assembly, the fixing assembly comprises an upper fixing plate and a lower fixing plate, the upper fixing plate is located above the upper wheel disc, the lower fixing plate is located below the lower wheel disc, one end of the upper fixing plate and one end of the lower fixing plate are rotatably connected with an output shaft of the driving motor, and the other ends of the upper fixing plate and the lower fixing plate are fixedly connected with the first end of the linear guide rail.

8. A high speed precision link indexing mechanism as claimed in claim 7, wherein: the second arc-shaped guide rail comprises a semicircular upper arc plate and a lower arc plate which is arranged below the upper arc plate in parallel, the upper bearing group is in rolling contact with the arc-shaped peripheral surface of the upper arc plate, and the lower bearing group is in rolling contact with the arc-shaped peripheral surface of the lower arc plate;

go up the last arc board that sets up of arc board and the last regulating plate of distance between the linear guide, set up down on the arc board and be used for adjusting down the arc board with the lower regulating plate of distance between the linear guide, the one end of going up the regulating plate with go up arc board fixed connection, the other end of going up the regulating plate with linear guide's second end can be dismantled and be connected, the one end of regulating plate down with arc board fixed connection down, the other end of regulating plate down with linear guide's second end can be dismantled and be connected.

9. A high speed precision link indexing mechanism as claimed in claim 8, wherein: the chain block is characterized in that the periphery of the lower arc plate and the periphery of the lower wheel disc are provided with lower sinking platforms, the periphery of the upper arc plate and the periphery of the upper wheel disc are provided with upper sinking platforms, the distance between each upper sinking platform and the corresponding lower sinking platform is larger than the vertical dimension of the chain block, the lower cam bearing follower is in rolling contact with the upper surface of the lower arc plate and the upper surface of the lower wheel disc in the moving process of the chain conveyor belt, the lower cam bearing follower is in rolling contact with the lower surface of the upper arc plate and the lower surface of the upper wheel disc, and the chain block passes through a gap between the lower sinking platform and the upper sinking platforms.

10. A high speed precision link indexing mechanism as claimed in claim 9, wherein: the two linear guide rails are fixedly connected through a connecting plate, the connecting plate is positioned between the two linear guide rails and is arranged in parallel with the linear guide rails, and grooves are formed in the upper surface and the lower surface of the connecting plate along the length direction of the linear guide rails; the upper fixed plate the bottom plate the upper regulating plate with all set up on the bottom regulating plate with recess sliding fit's lug on the connecting plate, just the other end of upper fixed plate, bottom plate, upper regulating plate and bottom regulating plate all with the corresponding end fixed connection of connecting plate.

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