CN216996133U - Spiral type net chain conveyor - Google Patents
Spiral type net chain conveyor Download PDFInfo
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- CN216996133U CN216996133U CN202220793911.4U CN202220793911U CN216996133U CN 216996133 U CN216996133 U CN 216996133U CN 202220793911 U CN202220793911 U CN 202220793911U CN 216996133 U CN216996133 U CN 216996133U
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Abstract
The utility model relates to a spiral type net chain conveyor, which comprises a rotary drum, wherein a rotary drum central shaft is arranged at the center of the rotary drum, the upper end and the lower end of the rotary drum central shaft are respectively supported on a rack through bearings, a plurality of driving rods extending along the vertical direction are uniformly arranged along the periphery of the rotary drum, a net chain enters the periphery of the rotary drum along the tangential direction and winds and extends along a spiral line, net chain driving heads are respectively arranged on each chain link of the net chain close to the inner side of the rotary drum, a main bearing seat is fixed at the bottom center of the rack, the main bearing seat is provided with a ball socket with an opening at the upper end, a matched outer spherical support body is supported in the ball socket, a support body counter bore is arranged in the outer spherical support body, a plane bearing is installed in the support body counter bore, and the lower end of the rotary drum central shaft is supported on the plane bearing. The net chain enters the arc-shaped limiting guide section from the straight line advancing section through the turning bearing section. The lower end support of the rotating drum central shaft has a self-aligning function, and can bear huge rotating drum axial gravity, the bearing has long service life, and the equipment is reliable in operation.
Description
Technical Field
The utility model relates to a conveyor, in particular to a spiral type net chain conveyor, and belongs to the technical field of conveying equipment.
Background
The production line of baked food needs to bake food at high temperature, the high-temperature food taken out of the oven cannot be packaged immediately, and needs to be cooled and conveyed for a long time, and then the food is packaged after being completely cooled. The spiral mesh chain conveyor provides a long conveying distance under the condition of small occupied area, so that longer cooling time can be obtained, and the spiral mesh chain conveyor is widely applied to the food baking industry.
The existing spiral type net chain conveyor comprises a rotary drum, a net chain is spirally wound on the periphery of the rotary drum and synchronously rotates along with the rotary drum, a rotary drum central shaft is arranged at the center of the rotary drum, and the upper end and the lower end of the rotary drum central shaft are respectively supported on a rack through bearing seats; the bottom of each layer of net chain is supported on the spiral ring rail to slide, each layer of spiral ring rail is fixed on the radial support rod, the outer end of each radial support rod is fixed on the stand column, and the stand columns are uniformly distributed by taking the axis of the rotary drum as the center.
The existing spiral type net chain conveyor has the following defects: 1. the net chain directly enters the arc-shaped limiting guide section for forced steering from the straight line advancing section, and all pin shafts of the net chain are changed into a fan-shaped opening state with the outer side spacing larger than the inner side spacing from a mutually parallel state. In this process, the inner sides of the net chains need to be close to each other to adapt to the change of the outer circumference. In actual use, because the net chain bears heavier goods, when the inner side of the net chain is not adapted to the change of the circumference of the outer side easily, the driving head is engaged with the driving rod in advance, so that the inner side of the net chain is limited in the reverse direction of the driving rod, the traction of the linear advancing section to the inner side of the arc-shaped limiting guide section is limited, the continuous unadapted accumulation of the inner side of the net chain to a certain degree can enable the length of the outer side of the net chain to be smaller than the theoretical circumference, the outer side of the net chain to be tight, and the net chain can not be maintained in a loose state on the spiral tower to bear the goods.
2. Because the frame is the welding piece, the bearing frame at rotary drum center pin both ends is difficult to guarantee than higher concentricity, and can not guarantee with the straightness that hangs down on ground. In order to compensate for the different axial errors of the upper and lower bearing seats, the existing solution is to install a large self-aligning roller bearing in the bearing seat to realize the purpose of aligning; and the shaft head at the lower end of the central shaft of the rotary drum adopts a splicing mode, so that the bearing is convenient to replace. In the operation process, because the self-aligning roller bearing aligns the core, the inner ring of the bearing inclines to one side, the self-aligning roller bearing not only needs to bear the radial force, but also needs to bear the axial gravity of the rotating drum vertical to the axis of the bearing, and the bearing is easy to damage. Not only increases the cost of accessories, but also influences the stable operation of the production line.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art and provide a spiral type net chain conveyor, wherein the lower end support of the central shaft of the rotary drum has the self-aligning function, can bear huge axial gravity of the rotary drum, and has long service life of a bearing and reliable operation of equipment.
In order to solve the technical problems, the spiral type net chain conveyor comprises a rotary drum, a rotary drum central shaft is arranged in the center of the rotary drum, the upper end and the lower end of the rotary drum central shaft are supported on a rack through bearings respectively, a plurality of driving rods extending vertically are uniformly arranged along the periphery of the rotary drum, a net chain enters the periphery of the rotary drum along the tangential direction and extends along a spiral line in a winding manner, net chain driving heads are arranged on the inner sides, close to the rotary drum, of chain links of the net chain respectively, a main bearing seat is fixed at the bottom center of the rack and provided with a ball socket with an opening at the upper end, a matched outer spherical support body is supported in the ball socket, the top of the outer spherical support body is a plane and is provided with a support body counter bore, a plane bearing is installed in the support body counter bore, and the lower end of the rotary drum central shaft is supported on the plane bearing.
As an improvement of the utility model, the net chain enters the arc-shaped limiting guide section from the straight line advancing section through the turning bearing section, extends along a spiral line from the arc-shaped limiting guide section and is in butt joint with the arc-shaped spiral section on the rotary drum, the mesh between the net chain driving head and the driving rod is realized at the tail end of the arc-shaped limiting guide section, and the central angle of the turning bearing section relative to the axis of the rotary drum is 30-90 degrees.
As an improvement of the utility model, the net chain is uniformly provided with the anti-slip rubber strips, and each anti-slip rubber strip extends along the width direction of the net chain.
As a further improvement of the utility model, the turning bearing section is provided with a turning bearing pad rail extending along an arc line, and the turning bearing pad rail is uniformly provided with a plurality of rollers supported at the bottom of the net chain.
As a further improvement of the utility model, for the guide lifting type mesh chain conveyor, the lower end of each driving rod is higher than the inlet height of the arc-shaped limit guide section and lower than the outlet height of the arc-shaped limit guide section; for the guiding and descending type net chain conveyor, the upper end of each driving rod is lower than the inlet height of the arc-shaped limiting guide section and higher than the outlet height of the arc-shaped limiting guide section.
As a further improvement of the utility model, an arc-shaped limiting plate extending along a spiral line is arranged below the arc-shaped limiting guide section, and limiting protrusions extending downwards are respectively arranged on the outer sides of the chain links of the net chain and respectively abut against limiting outer arc surfaces of the arc-shaped limiting plate to slide.
As a further improvement of the utility model, the distance between the middle section of the limiting outer arc surface and the outer wall of the rotary drum is greater than the distance between the two ends of the limiting outer arc surface and the outer wall of the rotary drum.
As a further improvement of the utility model, two free shafts which are parallel to each other or extend along the radial direction of the rotary drum are arranged below the arc-shaped limit plate, two ends of the two free shafts are respectively provided with a synchronous cog wheel, the synchronous cog wheels on the same side are connected through a synchronous cog belt, and the top of the synchronous cog belt is respectively exposed out of the avoidance groove of the arc-shaped limit plate and is supported below the net chain.
As a further development of the utility model, the shaft end of one of the free shafts is driven by a reduction motor.
As a further improvement of the utility model, each chain link of the net chain is respectively provided with a first pin hole and a second pin hole which penetrate through the width direction of the net chain, the cross sections of the first pin hole and the second pin hole are in an oblong shape extending along the advancing direction of the net chain, the front side wall of the first pin hole, at least one third of which is close to the outer chain tooth, inclines forwards along the same inclined plane, and the rear side wall of the second pin hole, at least one third of which is close to the outer chain tooth, inclines backwards along the other inclined plane.
Compared with the prior art, the utility model has the following beneficial effects: 1. the shoulder of the central shaft of the rotary drum is supported on the upper ring of the plane bearing and bears the gravity of the rotary drum, the net chain and the goods; meanwhile, the outer spherical support body can swing in the main bearing seat by a certain angle to compensate errors of coaxiality and verticality.
2. A turning bearing section is added between the linear advancing section and the arc-shaped limiting guide section of the net chain, the turning bearing section is a non-power section, so that the angle of each chain link of the net chain can be freely adjusted, the chain links can be freely transited from a mutually parallel state to a fan-shaped unfolding state, and the inner end of the net chain can be limited due to premature contact with the driving rod; the net chain can smoothly realize turning from the straight line section to the spiral section, and the net chain on the spiral tower is looser and more stable.
3. When the net chain passes through the arc limiting plate, the outer side of the net chain is in a tight state to drive the synchronous toothed belt on the outer side to rotate, the synchronous toothed belt on the outer side drives the synchronous toothed belt on the inner side to synchronously rotate through the free shaft, and the synchronous toothed belt drives the net chain on the inner side to move forwards a little more, so that the net chain on the inner side is loosened.
Drawings
The utility model will be described in further detail with reference to the following drawings and detailed description, which are provided for reference and illustration purposes only and are not intended to limit the utility model.
FIG. 1 is a perspective view of a spiral mesh-link conveyor of the present invention;
FIG. 2 is an enlarged view of the arcuate retainer plate portion of FIG. 1;
FIG. 3 is a top view of a net chain entering a circular arc spiral section from a straight traveling section;
FIG. 4 is a bottom view of FIG. 3;
FIG. 5 is an enlarged view of the central axis of the drum;
fig. 6 is an enlarged cross-sectional view of a link of the mesh chain.
In the figure: 1. a rotating drum; 1a, a drum central shaft; 1b, a driving rod; 2. a network chain; 2a, a net chain driving head; 2b, a pin hole I; 2c, pin holes II; 2d, anti-slip rubber strips; 3. a main bearing housing; 4. an outer spherical surface support; 5. a flat bearing; 6. a linear travel section; 7. a turning bearing pad rail; 8. an arc limiting plate; 9. a free shaft; 10. a synchronous toothed belt; 11. a circular arc spiral section; 12. and a frame.
Detailed Description
In the following description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not mean that the apparatus must have a specific orientation.
As shown in fig. 1 and 5, the spiral type mesh chain conveyor of the utility model comprises a rotating drum 1, a rotating drum central shaft 1a is arranged in the center of the rotating drum 1, the upper end and the lower end of the rotating drum central shaft 1a are respectively supported on a frame 12 through bearings, a plurality of driving rods 1b extending vertically are uniformly arranged along the periphery of the rotating drum, a mesh chain 2 enters the periphery of the rotating drum 1 along the tangential direction and winds and extends along a spiral line, mesh chain driving heads 2a are respectively arranged on the inner sides of chain links of the mesh chain 2 close to the rotating drum 1, and after entering the periphery of the rotating drum 1, the driving rods 1b are meshed with some mesh chain driving heads 2a to drive the mesh chain 2 to rotate along with the rotating drum 1. A main bearing seat 3 is fixed at the center of the bottom of the frame 12, the main bearing seat 3 is provided with a ball socket with an opening at the upper end, a matched outer spherical surface supporting body 4 is supported in the ball socket, the top of the outer spherical surface supporting body 4 is a plane and is provided with a supporting body counter bore, a plane bearing 5 is installed in the supporting body counter bore, and the lower end of the rotary drum central shaft 1a is supported on the plane bearing 5.
The upper ring of the plane bearing 5 is a loose ring, the shoulder of the central shaft 1a of the rotary drum is supported on the upper ring, the upper ring is supported on the lower ring through a ball with a retainer to rotate, and the lower ring is a tight ring and is fixed at the bottom of the counter bore of the support body. The spherical outer surface support 4 is supported by the spherical surface in the main bearing housing 3 and can bear a large axial weight. The outer spherical surface support body 4 can also swing in a ball socket, so that the function of aligning is realized, and the error of a frame welding part is compensated.
As shown in fig. 1 to 4, the net chain 2 enters the arc-shaped limiting guide section from the straight line advancing section 6 through the turning bearing section, extends along a spiral line from the arc-shaped limiting guide section and is butted with the arc spiral section 11 on the rotary drum 1, the mesh between the net chain driving head 2a and the driving rod 1b is realized at the tail end of the arc-shaped limiting guide section, and the central angle gamma of the turning bearing section relative to the axis of the rotary drum is 20-60 degrees. In the bearing section of turning, the outer end and the inner of net chain 2 are all unrestricted, and the position is adjusted freely, through the adjustment of one section circular arc, and net chain 2 is by the state that is parallel to each other, and the free adjustment is the fan-shaped state of opening, then gets into the spacing direction section of arc and forces the direction, realizes the meshing with actuating lever 1b at the end of arc limiting plate 8.
Evenly be equipped with anti-skidding adhesive tape 2d on the net chain 2, each anti-skidding adhesive tape 2d extends along the width direction of net chain, and the bottom of article is fallen on anti-skidding adhesive tape 2d and is avoided sliding. When the net chain enters the turning from the straight advancing section 6, the pitch change is small at the position close to the outer side of the net chain, and the arrangement of the anti-skid rubber strips 2d is dense. The position close to the inner side of the net chain has larger pitch change during turning, and each station is provided with an anti-slip rubber strip 2d.
The turning bearing section is provided with a turning bearing pad rail 7 extending along the circular arc line, the turning bearing pad rail 7 is uniformly provided with a plurality of rollers supported at the bottom of the net chain, so that the resistance of the net chain in the turning bearing section is smaller, and the free adjustment of the net chain is facilitated.
For the guide lifting type net chain conveyor, the lower end of each driving rod 1b is higher than the inlet height of the arc-shaped limit guide section and lower than the outlet height of the arc-shaped limit guide section.
For the guiding and descending type mesh chain conveyor, the upper end of each driving rod 1b is lower than the inlet height of the arc-shaped limiting guide section and higher than the outlet height of the arc-shaped limiting guide section, so that the mesh chain driving head 2a is prevented from contacting the driving rod 1b before entering the arc-shaped spiral section 11 to form interference.
An arc limiting plate 8 is arranged below the arc limiting guide section, limiting bulges extending downwards are respectively arranged on the outer sides of all chain links of the net chain 2, and all the limiting bulges are respectively abutted against limiting outer arc surfaces of the arc limiting plate 8 to slide.
The distance between the middle section of the limiting outer arc surface and the outer wall of the rotary drum is larger than the distance between the two ends of the limiting outer arc surface and the outer wall of the rotary drum.
At the inlet end of the arc limiting plate 8, the net chain driving head 2a abuts against the outer wall of the rotary drum 1 and is not in contact with the driving rod 1 b; as the net chain advances towards the middle section of the arc limiting plate 8, the arc top of the net chain driving head 2a gradually crosses the high point of the driving rod 1b and gradually enters into engagement; when the net chain advances to the outlet end of the arc limiting plate 8, the rear side groove of the net chain driving head 2a is completely meshed with the driving rod 1b, and the driving rod 1b drives the net chain driving head 2a to further drive the net chain to advance in a rotating mode around the axis of the rotating drum.
Two free shafts 9 which are parallel to each other or extend along the radial direction of the rotary drum are arranged below the arc limiting plate 8, two ends of each free shaft 9 are respectively provided with a synchronous cog wheel, the synchronous cog wheels at the same side are connected through a synchronous cog belt 10, and the top of the synchronous cog belt 10 is respectively exposed out of the avoiding groove of the arc limiting plate 8 and is supported below the net chain 2.
The tight outer side of the net chain 2 is pressed on the synchronous toothed belt 10 on the outer side to drive the synchronous toothed belt to rotate, the synchronous toothed belt 10 on the outer side drives the two free shafts 9 to rotate through the synchronous toothed wheel on the outer side, the two free shafts 9 drive the synchronous toothed belt on the inner side to rotate through the synchronous toothed wheel on the inner side, and the synchronous toothed belt promotes the net chain on the inner side to advance, so that the inner side is beneficial to more ruler feeding, and the net chain is loosened.
The shaft end of one free shaft can be driven by a speed reducing motor, so that the synchronous cog belt 10 on the inner side actively drives the net chain on the inner side to advance, and the purpose of loosening the net chain by means of more inner side footage is realized more controllably.
As shown in FIG. 6, each chain link of the net chain is respectively provided with a pin hole I2 b and a pin hole II 2c which penetrate through the width direction of the net chain, the cross sections of the pin hole I2 b and the pin hole II 2c are in an oval shape extending along the advancing direction of the net chain, the front side wall of the pin hole I2 b, at least one third of which is close to the outer chain tooth, inclines forwards along the same inclined plane, and the rear side wall of the pin hole II 2c, at least one third of which is close to the outer chain tooth, inclines backwards along the other inclined plane.
The front inclined plane and the front side wall of the straight hole form an included angle alpha, so that the outer end head of the first chain pin cannot contact the front inclined plane, the acting point of the first chain pin and the pin hole I2 b in turning is the intersection point of the front inclined plane and the front side wall of the straight hole, namely the acting point of the first chain pin and the pin hole I2 b moves inwards 1/3 mesh chain width from the outermost chain tooth.
The rear inclined plane and the rear side wall of the straight hole form an included angle beta, so that the outer end head of the second chain pin cannot contact the rear inclined plane, the acting point of the second chain pin and the second pin hole 2c in turning is the intersection point of the rear inclined plane and the rear side wall of the straight hole, namely the acting point of the second chain pin and the second pin hole 2c moves inwards 1/3 mesh chain width from the outermost sprocket, the acting point is closer to the central line of the mesh chain in the amplitude direction, the distance between the acting point and the inner end head of the mesh chain is shortened, and the adjustment of the inner end head of the mesh chain is facilitated.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention. In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention. Technical features of the present invention which are not described may be implemented by or using the prior art, and will not be described herein.
Claims (10)
1. The utility model provides a spiral net chain conveyer, includes the rotary drum, and the center of rotary drum is equipped with the rotary drum center pin, and the upper and lower both ends of rotary drum center pin are supported in the frame through the bearing respectively, evenly are equipped with many along the actuating lever of vertical extension along the periphery of rotary drum, and the net chain gets into the periphery of rotary drum and extends along the helix winding along the tangential, the inboard that each chain link of net chain is close to the rotary drum is equipped with net chain drive head, its characterized in that respectively: the rotary drum type spherical surface cleaning machine is characterized in that a main bearing seat is fixed at the center of the bottom of the rack, the main bearing seat is provided with a ball socket with an opening at the upper end, a matched spherical surface supporting body is supported in the ball socket, a supporting body counter bore is formed in the spherical surface supporting body, a plane bearing is installed in the supporting body counter bore, and the lower end of a rotary drum central shaft is supported on the plane bearing.
2. The spiral mesh chain conveyor of claim 1, wherein: the net chain enters the arc-shaped limiting guide section from the straight line advancing section through the turning bearing section, extends along a spiral line from the arc-shaped limiting guide section and is in butt joint with the arc-shaped spiral section on the rotary drum, the mesh between the net chain driving head and the driving rod is realized at the tail end of the arc-shaped limiting guide section, and the central angle of the turning bearing section relative to the axis of the rotary drum is 20-60 degrees.
3. The spiral mesh chain conveyor of claim 1, wherein: and anti-slip rubber strips are uniformly arranged on the net chain and extend along the width direction of the net chain.
4. The spiral mesh chain conveyor of claim 2, wherein: the turn bearing section is equipped with the turn bearing pad rail that extends along the circular arc line, turn bearing pad rail evenly is equipped with a plurality of gyro wheels of supporting in the net chain bottom.
5. The spiral mesh chain conveyor of claim 2, wherein: for the guide lifting type net chain conveyor, the lower end of each driving rod is higher than the inlet height of the arc-shaped limiting guide section and lower than the outlet height of the arc-shaped limiting guide section; for the guiding and descending type net chain conveyor, the upper end of each driving rod is lower than the inlet height of the arc-shaped limiting guide section and higher than the outlet height of the arc-shaped limiting guide section.
6. The spiral mesh chain conveyor of claim 2, wherein: an arc limiting plate extending along a spiral line is arranged below the arc limiting guide section, limiting protrusions extending downwards are arranged on the outer sides of all chain links of the net chain respectively, and the limiting protrusions abut against the limiting outer arc surfaces of the arc limiting plates to slide.
7. The spiral mesh chain conveyor of claim 6, wherein: the distance between the middle section of the limiting outer arc surface and the outer wall of the rotary drum is larger than the distance between the two ends of the limiting outer arc surface and the outer wall of the rotary drum.
8. The spiral mesh chain conveyor of claim 7, wherein: two free shafts which are parallel to each other or extend along the radial direction of the rotary drum are arranged below the arc-shaped limiting plate, synchronous toothed wheels are respectively arranged at two ends of the two free shafts, the synchronous toothed wheels at the same side are connected through a synchronous toothed belt, and the top of the outer side synchronous toothed belt is respectively arranged below the avoidance grooves of the arc-shaped limiting plate and exposed out of the avoidance grooves of the arc-shaped limiting plate and supported below the net chain.
9. The spiral mesh chain conveyor of claim 8, wherein: the shaft end of one free shaft is driven by a speed reducing motor.
10. The spiral mesh chain conveyor according to any one of claims 1 to 9, characterized in that: each chain link of the net chain is provided with a first pin hole and a second pin hole which penetrate through the width direction of the net chain, the cross sections of the first pin hole and the second pin hole are long circles which extend along the advancing direction of the net chain, the front side wall of the first pin hole, close to the outside sprocket, of at least one third of the first pin hole inclines forwards along the same inclined plane, and the rear side wall of the second pin hole, close to the outside sprocket, of at least one third of the first pin hole and the second pin hole inclines backwards along the other inclined plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220793911.4U CN216996133U (en) | 2022-04-06 | 2022-04-06 | Spiral type net chain conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220793911.4U CN216996133U (en) | 2022-04-06 | 2022-04-06 | Spiral type net chain conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216996133U true CN216996133U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220793911.4U Active CN216996133U (en) | 2022-04-06 | 2022-04-06 | Spiral type net chain conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216996133U (en) |
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2022
- 2022-04-06 CN CN202220793911.4U patent/CN216996133U/en active Active
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