CN212502375U

CN212502375U - Transmission chain and equipment

Info

Publication number: CN212502375U
Application number: CN201922419788.0U
Authority: CN
Inventors: 肖波
Original assignee: Guangzhou Yick Tak Blister Packing Co ltd
Current assignee: Guangzhou Yick Tak Blister Packing Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2021-02-09
Anticipated expiration: 2029-12-26

Abstract

The utility model provides a transmission chain and equipment, this transmission chain includes the chain body, the chain body includes a plurality of gyro wheels and connects a plurality of connecting plates of the side of adjacent gyro wheel, the gyro wheel through the round pin axle with the connecting plate is connected, the gyro wheel uses the round pin axle as the axis of rotation, is provided with on at least part of connecting plates and hangs the tooth; an included angle formed by the extending direction of the tip end of the hanging tooth and the rolling surface of the roller is smaller than or equal to 30 degrees, or an included angle formed by the hanging direction of the hanging tooth and the rolling surface of the roller is between 60 degrees and 120 degrees; the transmission chain and the equipment have longer service life.

Description

Transmission chain and equipment

Technical Field

The utility model relates to a chain field, in particular to transmission chain and equipment.

Background

The plastic packaging box is processed by a thermoplastic process, and during processing, a chain is needed to fix the raw materials. Referring to fig. 1 to 4, a prior art chain includes a chain body 10 and a housing 20, the chain body 10 includes a rack coupling plate 101, a roller 102 and a rack 103, and a raw material is fixed on the rack 103. During the production process, the raw material exerts a pulling force on the chain, since the plastic material shrinks after being thermoformed. During processing, the gear 30 drives the chain body 10 to rotate, the roller 102 of the chain body 10 generally rolls along a horizontal plane, the direction of the force applied to the chain is parallel to the rolling direction of the chain, and the shell needs to apply a force opposite to the pulling force to the chain to balance the force. However, the side of the chain contacting the housing is always stressed, which causes serious abrasion and seriously affects the service life of the chain.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a transmission chain and a device with long service life.

The embodiment of the utility model provides a transmission chain, including the chain body, the chain body includes a plurality of gyro wheels and connects a plurality of connecting plates of the side of adjacent gyro wheel, the gyro wheel through the round pin axle with the connecting plate is connected, the gyro wheel uses the round pin axle as the axis of rotation, is provided with on at least part of connecting plates and hangs the tooth; the included angle formed by the extending direction of the tip end of the hanging tooth and the rolling surface of the roller is smaller than or equal to 30 degrees, or the included angle formed by the hanging direction of the hanging tooth and the rolling surface of the roller is between 60 degrees and 120 degrees.

Preferably, the conveying chain further comprises a support comprising a support surface on which the roller rolls;

a guide groove for a hung object to pass through is formed on the supporting piece, the position of the guide groove corresponds to that of the hanging tooth, and the hung object passes through the guide groove and is connected with the hanging tooth; or

The hanging teeth extend out of the supporting piece.

Preferably, the roller further comprises a disengagement preventing piece, the disengagement preventing piece is arranged close to the hanging teeth, and the disengagement preventing piece is overlapped with the projection parts of the hanging teeth on the rolling surface of the roller.

Preferably, the supporting element is a casing and covers the chain body.

Preferably, be provided with the protection hole on the casing, the protection hole is followed the length direction of casing extends, and runs through the casing, the chain body passes the protection hole, the gyro wheel is in roll on the lateral wall of protection hole, the gyro wheel with the connecting plate is located in the protection hole, the latch tooth stretches out outside the protection hole.

Preferably, the shell is further provided with a guide groove, the guide groove extends along the length direction of the shell and penetrates through the shell, the hanging teeth extend into the guide groove, and a hung object penetrates through an opening of the guide groove and is connected with the hanging teeth; and/or the presence of a gas in the gas,

the casing is provided with a hanging tooth hole, one end of the hanging tooth hole is communicated with the protection hole, the other end of the hanging tooth hole protrudes out of the guide groove, the hanging tooth hole extends along the length direction of the casing and penetrates through the casing, the hanging tooth hole is arranged in a cross mode with the guide groove, the hanging tooth penetrates through the guide groove, and the free end of the hanging tooth protrudes out of the guide groove.

Preferably, the housing comprises a plurality of housing units, the housing units being connected end to end.

Preferably, a clamping groove is formed in the first end of the shell unit, a clamping block is arranged at the second end of the shell unit, and the adjacent shell units are mutually clamped, connected and fixed through the clamping groove and the clamping block.

Preferably, the fixture block is arranged in a wedge shape, and the outer end of the fixture block is larger than the inner end of the fixture block; and/or the presence of a gas in the gas,

each of the housing units is integrally formed.

The embodiment of the utility model provides an equipment is still provided, including equipment body, drive arrangement, driving gear, driven gear and above-mentioned arbitrary item the transmission chain, the driving gear with driven gear fixes on the equipment body, drive arrangement with driving gear connection, the driving gear with driven gear passes through transmission chain transmission connects.

The utility model discloses a change the atress direction of chain, each position of gyro wheel is arrived in the even dispersion of frictional force that makes the chain receive, has avoided among the prior art gyro wheel a certain point to concentrate atress, serious problem of wearing and tearing, makes the life of chain longer.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is a partial block diagram of a prior art chain body;

FIG. 2 is a side view of a prior art chain body;

FIG. 3 is a side view of a prior art chain;

FIG. 4 is a schematic view of a portion of a prior art chain;

FIG. 5 is a partial view of the chain body according to the preferred embodiment of the present invention;

FIG. 6 is a side view of the chain body of the preferred embodiment of the present invention;

fig. 7 is a side view of a conveyor chain according to a preferred embodiment of the present invention;

fig. 8 is a side view of a conveyor chain according to another preferred embodiment of the present invention;

fig. 9 is a schematic view of the overall structure of the transmission chain according to the preferred embodiment of the present invention;

FIG. 10 is a partial front view of a portion of the chain body of the present invention;

fig. 11 is an overall configuration diagram of the housing unit of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 5 and 6, the embodiment of the utility model provides a transmission chain, including chain body 1, chain body 1 includes a plurality of gyro wheels 11 and connects a plurality of connecting plates 12 of the side of adjacent gyro wheel 11, and gyro wheel 11 is connected with connecting plate 12 through the round pin axle, and gyro wheel 11 uses the round pin axle as the axis of rotation, is provided with on at least part connecting plate 12 and hangs tooth 13. The included angle formed by the extending direction of the tip of the hanging tooth 13 and the rolling surface of the roller 11 is less than or equal to 30 degrees, or the included angle formed by the hanging direction of the hanging tooth 13 and the rolling surface of the roller 11 is between 60 degrees and 120 degrees. Specifically, the hanging teeth 13 and the connecting plate 12 are integrally formed, so that the production and the manufacture are convenient, and the structure is firmer. Furthermore, the included angle formed by the hanging direction of the hanging teeth 13 and the rolling surface of the roller 11 is 90 degrees, the chain is vertically arranged, that is, when the plane formed by the rolling of the roller 11 is vertical to the horizontal plane, the direction of the hanging teeth 13 is also approximately vertical to the horizontal plane, and the stress direction of the hanging teeth 13 is approximately parallel to the horizontal plane. The hanging teeth 13 are gradually reduced from one end close to the connecting plate 12 to the free end, and the hanging teeth 13 are easier to pierce through materials to fix the materials on the hanging teeth 13. When the chain is used, a product is hung on the hanging teeth 13, the product can apply a pulling force to the hanging teeth 13, the roller 11 rolls along the supporting surface, and the contact position of the roller 11 and the supporting surface is changed all the time in the chain moving process, so that the friction force applied to each position of the roller 11 is basically uniform, the condition that a certain position of the chain is seriously abraded is avoided, and the service life of the transmission chain is longer compared with that of the chain in the prior art.

Referring to fig. 7 and 8, in a preferred embodiment, the conveying chain further comprises a supporting member 200, the supporting member 200 comprises a supporting surface 201, the roller 11 rolls on the supporting surface 201, the friction point between the roller 11 and the supporting surface is changed all the time, the roller 11 is uniformly worn, the situation that a certain position is seriously worn does not occur, and the service life of the chain is prolonged. In another embodiment, the supporting member 200 is formed with a guide slot 23 for the hung object to pass through, the guide slot 23 corresponds to the position of the hanging tooth 13, and the hung object passes through the guide slot 23 and is connected with the hanging tooth 13. In other embodiments, the hanging tooth 13 extends from the support.

Referring to fig. 8, in a further preferred embodiment, the transmission chain further comprises a disengagement-prevention member 5, the disengagement-prevention member 5 being arranged close to the hanging tooth 13, the disengagement-prevention member 5 overlapping with a projection of the hanging tooth 13 on the rolling surface of the roller 11. When the material is hung on the hanging teeth 13 for forming, the pulling force of the material to the hanging teeth 13 is large, so that the material is easy to slip on the hanging teeth 13, and the anti-slip piece 5 can prevent the material from slipping.

Referring to fig. 7, in a preferred embodiment, the supporting member 200 is the housing 2 and covers the chain body 1, when the chain is in operation, oil stains may drip off, and some chips may fall off due to abrasion, and the supporting member covers the outside of the chain and can be placed on the oil stains and the chips fall on the material, so as to improve the yield of finished products. The housings 2 are provided in one or two, one housing 2 having a length less than half the length of the chain. The shell 2 is not bendable, the chain can rotate only by being driven by the gear, the length of the shell 2 generally needs to be smaller than 2/5 or 1/3 of the length of the chain, and the shell 2 is prevented from influencing the rotation of the chain.

In the preferred embodiment, the housing 2 is provided with a protection hole 21, the protection hole 21 extends along the length direction of the housing 2 and penetrates through the housing 2, the chain body 1 passes through the protection hole 21, and the roller 11 rolls on the side wall of the protection hole 21. The shell 2 is further provided with a gap communicated with the protection hole 21, the gap penetrates through the shell 2 and is parallel to the protection hole 21, the roller 11 and the pin shaft are coated in the protection hole 21, the hanging tooth penetrates through the gap and is exposed out of the protection hole 21, the roller 11 and the connecting plate 12 are coated in the protection hole 21, and the hanging tooth 13 extends out of the protection hole 21. Specifically, the protective hole 21 includes a connecting plate portion 212 and a roller portion 211, the connecting plate portion 212 and the roller portion 211 are alternately arranged, and a gap is formed between the connecting plate 12 of the chain and the side wall of the connecting plate portion 212 to reduce friction; the roller 11 is in contact with the side wall of the roller portion 211 and is used for supporting the roller 11, the roller 11 rolls on the side wall of the roller portion 211, the friction force between the roller 11 and the side wall of the roller portion 211 is small, the positions of the roller 11 are alternately stressed, and the situation that one position of the roller 11 is seriously abraded is avoided.

In a preferred embodiment, the housing 2 is further provided with a guide groove 23, the guide groove 23 extends along the length direction of the housing 2 and penetrates through the housing 2, the hanging tooth 13 extends into the guide groove 23, and the hung object passes through the opening of the guide groove 23 and is connected with the hanging tooth 13. When in use, the hung objects pass through the guide groove 23 along with the transmission chain.

In a preferred embodiment, the housing 2 is further provided with a hanging tooth hole 22, one end of the hanging tooth hole 22 is communicated with the protection hole 21, the other end of the hanging tooth hole 22 protrudes out of the guide groove 23, the hanging tooth hole 22 extends along the length direction of the housing 2 and penetrates through the housing 2, the hanging tooth hole 22 and the guide groove 23 are arranged in a crossed manner, and the hanging tooth 13 penetrates through the guide groove 23, and the free end of the hanging tooth protrudes out of the guide groove 23. The hanging teeth 13 are positioned in the hanging tooth hole 22, the tangent planes of the hanging tooth hole 22 and the guide groove 23 are in a cross shape, and the tangent planes of the hanging tooth hole 22 and the guide groove 23 are in a cross shape, which is not absolute. The hanging teeth 13 penetrate through the guide grooves 23 and enter the upper portions of the hanging tooth holes 22, after materials are hung on the hanging teeth 13, the edges of the materials also enter the guide grooves 23 along with the movement of the chain, the free ends of the hanging teeth 13 are higher than the guide grooves 23, and the materials can be prevented from slipping off the hanging teeth 13. The upper portion of the guide groove 23 and both sides of the engaging hole 22 also correspond to the above-described anti-slip member.

In the preferred embodiment, the housing 2 includes a plurality of housing units 24, the plurality of housing units 24 being connected end-to-end, which facilitates manufacturing and allows the user to select the length of the housing 2 as desired.

In a preferred embodiment, the first end of the housing unit 24 is provided with a locking groove 241, the second end is provided with a locking block 242, and the adjacent housing units 24 are mutually locked, connected and fixed through the locking groove 241 and the locking block 242. Further, the latch 242 is wedge-shaped, which means a shape with a larger end and a smaller end, and the side surface is approximately trapezoidal. The latch 242 has an outer end that is distal from the housing unit 24 that is larger than an inner end that is proximal to the housing unit 24. After the clamping together, draw casing 2 and can not pull open the casing unit 24 that links together, the structure is more stable. The housing unit 24 is formed integrally, cast integrally, or cut by a lathe.

In a preferred embodiment, the connecting plate 12 includes a first connecting plate 121 and a second connecting plate 122, the first connecting plate 121 is disposed near the roller 11, the second connecting plate 122 is disposed outside the first connecting plate 121, the first connecting plate 121 and the second connecting plate 122 are connected end to end in a staggered manner, the chain body 11 further includes a connecting shaft, the connecting shaft simultaneously penetrates through the first connecting plate 121, the second connecting plate 122 and the roller 11, and the hanging teeth 13 are integrally formed with a part of the second connecting plate 122. The user can set the position of the hanging teeth 13 and the density of the hanging teeth 13 as desired.

The embodiment of the utility model provides an equipment is still provided, including equipment body, drive arrangement, driving gear 3, driven gear 4 and the transmission chain of above-mentioned arbitrary, driving gear 3 and driven gear 4 are fixed on the equipment body, and drive arrangement is connected with driving gear 3, and driving gear 3 and driven gear pass through the transmission chain transmission and are connected. Specifically, the casing 2 is fixed on the equipment body, the chain body 1 is connected with the transmission power device through the transmission gear, and the chain body 1 is driven by the transmission power device to circularly penetrate through the casing 2.

In a preferred embodiment, there are two chains, with the two chains being disposed opposite one another. When the material spreading device is used, two ends of a material are respectively hung on the hanging teeth 13 on two sides, the two chains move simultaneously, and then the material is driven to advance, and the material is enabled to be spread all the time.

When the transmission chain is applied to the thermoplastic process for manufacturing the plastic tray, the transmission chain is installed on a thermoplastic machine, a forming part of the thermoplastic machine is positioned between two shells 2, a plastic film is hung on the hanging teeth 13 at one end of each shell 2, and the plastic film moves along with the chain body 1. During operation, before the chain body 1 enters the shell 2, the end part of the plastic film is hung on the hanging teeth 13, the plastic film is fixed by the hanging teeth 13 on the chain, the plastic film enters the shell 2 along with the transmission chain, the forming part is formed into a tray in a thermoplastic mode, and the excess material is taken down from the other end of the shell 2. In the electronic processing field, the cleanliness requirement on the tray is very high, and pollutants can cause the tray to be unqualified, influence the qualification rate of tray. The chain rubs with casing 2 at the operation in-process, can produce some pollutants, and the pollutant can lead to the tray unqualified if falling on plastic film or tray, the utility model discloses seal the chain in casing 2, avoid the pollutant to pollute plastics thin or tray, improved the qualification rate.

The utility model discloses a change the atress direction of chain, make the even dispersion of frictional force that the chain received to each position of gyro wheel 11, avoided among the prior art gyro wheel 11 certain some concentrated atress, serious problem of wearing and tearing, make the life of chain longer.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above embodiments only express the specific embodiments of the utility model, and the description thereof is more specific and detailed, but not so as to limit the scope of the patent of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A transmission chain is characterized by comprising a chain body, wherein the chain body comprises a plurality of rollers and a plurality of connecting plates connected with the side edges of the adjacent rollers, the rollers are connected with the connecting plates through pin shafts, the rollers take the pin shafts as rotating shafts, and at least part of the connecting plates are provided with hanging teeth; the included angle formed by the extending direction of the tip end of the hanging tooth and the rolling surface of the roller is smaller than or equal to 30 degrees, or the included angle formed by the hanging direction of the hanging tooth and the rolling surface of the roller is between 60 degrees and 120 degrees.

2. The conveyor chain of claim 1, further comprising a support surface on which the rollers roll;

The hanging teeth extend out of the supporting piece.

3. The transmission chain according to claim 2, further comprising a disengagement preventing member disposed adjacent to the hanging tooth, the disengagement preventing member overlapping a projection of the hanging tooth on the roller rolling surface.

4. The transmission chain of claim 2, wherein the support member is a housing and is encased outside the chain body.

5. The transmission chain according to claim 4, wherein the housing is provided with a protective hole extending along a length direction of the housing and penetrating through the housing, the chain body passes through the protective hole, the roller rolls on a side wall of the protective hole, the roller and the connecting plate are located in the protective hole, and the hanging teeth protrude out of the protective hole.

6. The transmission chain as claimed in claim 5, wherein the housing is further provided with a guide slot, the guide slot extends along the length direction of the housing and penetrates through the housing, the hanging teeth extend into the guide slot, and a hung object passes through an opening of the guide slot and is connected with the hanging teeth; and/or the presence of a gas in the gas,

7. The transmission chain of claim 6, wherein the housing comprises a plurality of housing units, the housing units being connected end to end.

8. The transmission chain as claimed in claim 7, wherein the first end of the housing unit is provided with a locking slot, the second end of the housing unit is provided with a locking block, and adjacent housing units are mutually locked and connected and fixed through the locking slot and the locking block.

9. The transmission chain according to claim 8, wherein the latch is wedge-shaped, and an outer end of the latch is larger than an inner end; and/or the presence of a gas in the gas,

each of the housing units is integrally formed.

10. An apparatus, comprising an apparatus body, a driving gear, a driven gear and the transmission chain of any one of the preceding claims 1 to 9, wherein the driving gear and the driven gear are fixed on the apparatus body, the driving gear is connected with the driving gear, and the driving gear and the driven gear are in transmission connection through the transmission chain.