CN210456207U - Self-stretching noise reduction mechanism - Google Patents

Abstract

The utility model provides a mechanism of making an uproar falls in self-stretching, including chain subassembly, sprocket assembly, counter weight subassembly and fixed subassembly, the chain subassembly includes a plurality of chains, and the one end of whole chains all is connected with fixed subassembly, and the other end of whole chains is walked around by sprocket assembly's top and is connected with counter weight subassembly, just the sprocket assembly includes a plurality of sprockets, and whole sprockets mesh with whole chains respectively mutually. When the workpiece falls on the self-stretching noise reduction mechanism from the previous material channel and the like, collision is generated between the workpiece and the chain, downward force is applied to the chain by the workpiece, the chain drives the chain wheel to rotate reversely by combining the meshing relation of the chain and the chain wheel, and the chain assembly generate downward sunken deformation so as to play a role in buffering, avoid forming large instantaneous impact force between the chain and the workpiece, effectively reduce collision between the chain and the workpiece and reduce noise generated by collision between the chain and the workpiece.

Description

Self-stretching noise reduction mechanism

Technical Field

The utility model relates to a mechanism of making an uproar falls especially relates to a mechanism of making an uproar falls in self-stretching.

Background

In the manufacturing industry at present, collision in the process of conveying a workpiece material channel is a common phenomenon; the workpiece is generally carried by taking a transmission material channel as a carrier, a large height drop occurs at the joint of the material channels in a working procedure under the condition that some material channels are installed obliquely upwards, so that when the workpiece directly falls from the opening of the material channel to the material channel in the next working procedure, the workpiece and the material channel are seriously collided, and the workpiece and the material channel are greatly impacted. Meanwhile, frequent collision causes a large amount of collision damages to the workpiece, and the material channel is damaged in the repeated collision process. On the other hand, frequent collision between the workpiece and the material channel baffle plate can also generate stronger noise pollution, harm is generated to the hearing of operators, the operators are more prone to hearing fatigue, the operation efficiency is reduced, and operation risks exist.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, the to-be-solved technical problem of the present invention is to provide a self-stretching noise reduction mechanism, which can reduce the noise generated when a workpiece falls on the self-stretching noise reduction mechanism.

In order to achieve the above object, the utility model provides a mechanism of making an uproar falls in self-stretching, including chain subassembly, sprocket subassembly, counter weight subassembly and fixed subassembly, the chain subassembly includes a plurality of chains, and the one end of all chains all is connected with fixed subassembly, and the other end of all chains is walked around by sprocket subassembly's top and is connected with counter weight subassembly, just the sprocket subassembly includes a plurality of sprockets, and all sprockets mesh with all chains respectively mutually.

Further, the chain wheel assembly further comprises a support and a support shaft installed on the support, and all the chain wheels are installed on the support shaft.

Furthermore, the support is provided with a mounting hole, the end of the supporting shaft is inserted into the mounting hole, the support is provided with a locking hole communicated with the mounting hole, a jackscrew is installed in the locking hole, and the jackscrew abuts against the end of the supporting shaft.

Further, the number of the supports is two, and two ends of the supporting shaft are respectively connected with the two supports.

Furthermore, the support is provided with a connecting hole, and the connecting hole is a long waist hole.

Further, the counterweight assembly comprises a plurality of counterweight strips, the number of the counterweight strips is equal to that of the chains, and all the counterweight strips are respectively connected with the other ends of all the chains.

Furthermore, a hook is installed on the counterweight strip and is hooked with the other end of the chain.

Further, be equipped with the through-hole on the counter weight strip, the counter weight subassembly still includes the screw rod, the screw rod passes the through-hole of whole counter weight strips, just stop nut is all installed at the both ends of screw rod.

Furthermore, the number of the screw rods is two, two through holes are formed in the counterweight strip, and the two screw rods are respectively arranged in the two through holes in the counterweight strip in a penetrating mode.

Further, the through hole is a long waist hole.

As described above, the utility model relates to a self-stretching noise reduction mechanism has following beneficial effect:

when the work piece falls on this self-stretching noise reduction mechanism by last material way etc., produce the collision between work piece and chain, and the work piece applys decurrent power for the chain, combine the meshing relation of chain and sprocket, the chain drives sprocket antiport, and chain subassembly will produce the deformation of undercut, in order to play the cushioning effect, avoid forming great instantaneous impact force between chain and the work piece, thereby effectively alleviate collision between the two, and reduce the noise that produces because of the collision between the two, afterwards, the counter weight subassembly is under its action of gravity, the other end that drives the chain moves down, the chain drives sprocket antiport, chain and chain subassembly resume deformation, the counter weight subassembly extends chain and chain subassembly to the extension state.

Drawings

Fig. 1 is the structure schematic diagram of the self-stretching noise reduction mechanism of the present invention.

Fig. 2 is a top view of the chain bar assembly of the present invention.

Fig. 3 is a schematic structural view of the middle sprocket assembly of the present invention.

Fig. 4 is a top view of the middle sprocket assembly of the present invention.

Fig. 5 is a sectional view taken along line a-a of fig. 3.

Fig. 6 is a schematic structural view of the middle sprocket of the present invention.

Fig. 7 is a top view of the middle sprocket of the present invention.

Fig. 8 is a perspective view of the middle support of the present invention.

Fig. 9 is a front view of the bracket of the present invention.

Fig. 10 is a left side view of the middle support of the present invention.

Fig. 11 is a top view of the middle bracket of the present invention.

Fig. 12 is a schematic structural view of the support shaft of the present invention.

Fig. 13 is a left side view of the middle support shaft of the present invention.

Fig. 14 is a schematic structural diagram of the middle weight assembly of the present invention.

Fig. 15 is a left side view of the middle weight assembly of the present invention.

Fig. 16 is a schematic structural view of the weight strip of the present invention.

Fig. 17 is a top view of the weight bar of the present invention.

Fig. 18 is a schematic structural view of the middle hook of the present invention.

Fig. 19 is a schematic structural view of the middle screw rod of the present invention.

Fig. 20 is a schematic structural view of the middle deflector of the present invention.

Fig. 21 is a top view of the deflector of the present invention.

Fig. 22 is a schematic structural view of the welding plate of the present invention.

Fig. 23 is a top view of the welding plate of the present invention.

Fig. 24 is a schematic structural view of the middle welding supplement plate of the present invention.

Fig. 25 is a top view of the middle welding supplement plate of the present invention.

Fig. 26 is a schematic structural view of the middle chain pulling plate of the present invention.

Fig. 27 is a top view of the chain pulling plate of the present invention.

Fig. 28 is a schematic structural view of the middle buckle of the present invention.

Fig. 29 is a top view of the middle buckle of the present invention.

Fig. 30 is a schematic structural view of the chain fixing plate of the present invention.

Fig. 31 is a left side view of the chain fixing plate of the present invention.

Fig. 32 is a top view of the chain fixing plate of the present invention.

Fig. 33 is a front view of the blanking transition self-sliding material channel of the present invention.

Fig. 34 is a schematic structural view of the middle blanking transition self-sliding material channel of the present invention.

Description of the element reference numerals

1 chain assembly 33 screw

11 chain 34 limit nut

2 sprocket assembly 4 fixing assembly

21 sprocket 41 baffle

22 bracket 42 welding plate

221 mounting hole 43 welding supplement plate

223 jackscrew 44 chain pulling plate

224 connecting hole 45 fastener

23 support shaft 46 chain fixing plate

3 balance weight component 5 blanking transition self-sliding material channel

31 counterweight strip 51 support

311 through hole 52 material guide plate

32 hook

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present application are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, change of the ratio relationship or adjustment of the sizes should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are only for convenience of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the modifications can be changed or adjusted without substantial technical changes and modifications.

As shown in fig. 1 to 34, the utility model provides a mechanism of making an uproar falls in self-stretching, including chain subassembly 1, sprocket subassembly 2, counter weight component 3, and fixed subassembly 4, chain subassembly 1 includes a plurality of chains 11, and the one end of all chains 11 all is connected with fixed subassembly 4, and the other end of all chains 11 is walked around by sprocket subassembly 2's top and is connected with counter weight component 3, and sprocket subassembly 2 includes a plurality of sprockets 21, and all sprockets 21 mesh with all chains 11 respectively. When a workpiece falls on the self-stretching noise reduction mechanism from a previous material channel and the like, the workpiece collides with the chain 11, the workpiece applies a downward force to the chain 11, the chain 11 drives the chain wheel 21 to rotate reversely in combination with the meshing relationship between the chain 11 and the chain wheel 21, and the chain 11 and the chain assembly 1 generate downward sunken deformation to play a role in buffering, so that a large instantaneous impact force is prevented from being formed between the chain 11 and the workpiece, the collision between the chain 11 and the workpiece is effectively reduced, and the noise generated by the collision between the chain 11 and the chain wheel is reduced.

As shown in fig. 3 to 5, the sprocket assembly 2 of the present embodiment further includes a bracket 22 and a support shaft 23 mounted on the bracket 22, and all of the sprockets 21 are mounted on the support shaft 23. The bracket 22 provides an upward supporting force for the chain wheel 21 through the supporting shaft 23, the chain wheel 21 provides an upward supporting force for the chain 11, and the fixing component 4 provides a fixing force for one end of the chain 11 and the counterweight component 3 provides a downward pulling force for the other end of the chain 11, so that the chain 11 and the chain component 1 are in an extending state and can bear up. Meanwhile, as shown in fig. 8 to 11, in the present embodiment, the bracket 22 is provided with a mounting hole 221, the end of the support shaft 23 is inserted into the mounting hole 221, and the bracket 22 is provided with a locking hole communicated with the mounting hole 221, a jack screw 223 is installed in the locking hole, the jack screw 223 abuts against the end of the support shaft 23, that is, the jack screw 223 tightly contacts with the end of the support shaft 23, so that the end of the support shaft 23 is fixed in the mounting hole 221 by the jack screw 223, and the end of the support shaft 23 is prevented from being removed from the mounting hole 221. In this embodiment, there are two brackets 22, and both ends of the support shaft 23 are connected to the two brackets 22, respectively. In addition, in the embodiment, the bracket 22 is provided with a connecting hole 224, and the connecting hole 224 is a long waist hole; the connecting holes 224 can be penetrated by bolts or other connecting members to fixedly connect the support 22 with corresponding supporting devices in the factory building, and the connecting holes 224 are long waist holes so as to adjust the connecting positions of the support 22 and other devices as required.

As shown in fig. 14 to 19, the weight assembly 3 of the present embodiment includes a plurality of weight strips 31, the number of the weight strips 31 is equal to the number of the chains 11, and all the weight strips 31 are respectively connected to the other ends of all the chains 11. The weight bar 31 applies a pulling force to the other end of the chain 11 by its gravity, and can stretch the chain 11 to an extended state after the chain 11 is subjected to bending deformation. In this embodiment, the counterweight strip 31 is provided with a hook 32, and the hook 32 is hooked with the other end of the chain 11. Meanwhile, in this embodiment, the weight bar 31 is provided with a through hole 311, the weight assembly 3 further includes a screw 33, the screw 33 passes through the through holes 311 of all the weight bars 31, and the two ends of the screw 33 are both provided with a limit nut 34, so that all the weight bars 31 are fixed together by using the screw 33 and the limit nut 34 to keep the stability of the weight device. In addition, in the embodiment, there are two screws 33, two through holes 311 are provided on the weight bar 31, and the two screws 33 are respectively inserted into the two through holes 311 on the weight bar 31. In the embodiment, the through hole 311 is a long waist hole, so that the position of the screw 33 in the through hole 311 can be adjusted as required.

As shown in FIG. 1, the chain 11 is connected to the fixing unit 4 at a position higher than the portion where it engages with the sprocket 21. All chains 11 are parallel to each other. As shown in fig. 20 to 32, the fixing member 4, also called a fixing knot, includes a guide plate 41, a welding plate 42, a welding supplement plate 43, a chain pulling plate 44, a buckle 45, and a chain fixing plate 46. In the embodiment, the chain wheel 21 specifically adopts the chain wheel 16A-1, and 11 chain wheels 21 are provided; there are two sets of jackscrews 223 and the specification is M12 × 16. The sprocket assembly 2 also includes 22 a-type shaft retainers having a diameter of 25 mm. The counterweight component 3 comprises 11 counterweight strips 31, 11 hooks 32, 2 screw rods 33 and 6 limit nuts 34; wherein 2 stop nut 34 are hexagonal flange face nut M12, and 4 stop nut 34 are six face nut M12. There are two connection holes 224 on the bracket 22. The support shaft 23 may also be referred to as a rotation shaft.

When a workpiece falls from a previous material channel to the self-stretching noise reduction mechanism, the buffer material channel formed by the chain assembly 1 is used for bearing, the falling impact force is buffered, and then the workpiece slides to the material channel of the next procedure along the material channel formed by the chain assembly 1 under the action of the gravity of the workpiece, so that the collision damage generated in the material channel during working is reduced, and the noise pollution caused by collision can be reduced due to the buffer action of the chain 11. The self-stretching noise reduction mechanism in the embodiment reduces the collision impact force between the workpiece and the material channel, prolongs the service life of the material channel, reduces the collision injury of the workpiece, reduces the noise pollution of a workshop, reduces the occupational health hidden dangers such as the hearing damage of operators, improves the labor efficiency of the staff, and improves the satisfaction degree of the staff to the operation environment.

The self-stretching noise reduction mechanism is provided with the chain 11, and the chain 11 is fixed by utilizing the welding plate 42, the welding supplement plate 43, the chain pulling plate 44 and the like. The chain assembly 1 is also called a material channel. The main function of the chain 11 is to provide a buffer function for the falling of the workpiece, reduce the impact between the workpiece and the material channel and the self-stretching noise reduction mechanism, and the chain pulling plate 44 and the welding compensation plate 43 provide fixing acting force for the upper end of the chain 11 so as to fix the upper end of the chain 11. Meanwhile, the sprocket assembly 2 connects the sprockets 21 in series in the chain 11 through the support shaft 23; the sprocket 21 has a degree of freedom in its circumferential direction, i.e., the sprocket 21 can freely rotate in its circumferential direction, and plays a role in buffering at the moment when the chain 11 is subjected to the impact force of a workpiece, thereby reducing noise caused by the impact. The supporting shaft 23 is connected with each chain 11, so that the strip-shaped chain 11 is changed into a device with a net-like structure, the point stress is changed into the whole surface stress in the repeated impact process of the workpiece, and the phenomenon that the chain 11 is impacted and stretched in the long-term use is relieved. The counterweight strip 31 is fixed at the tail part of the chain 11 by a hook 32, and the chain 11 is quickly reset after being impacted, so that the tension state is kept, the material channel is kept flat, and the accumulation and the material blockage of workpieces are prevented.

When the self-stretching noise reduction mechanism is used, a workpiece falls on the material channel in a chain form, and a part of kinetic energy is absorbed by the chain 11 with certain elastic buffering, so that the noise generated in the collision process of the workpiece and the material channel is effectively reduced. The support shaft 23 is perpendicular to the chain 11, and the support shaft 23 provides lateral support for the chain 11, preventing the chain 11 from extending non-uniformly and causing partial collapse due to long-term repeated collision. This from tensile mechanism of making an uproar not only effectually alleviates the material way and damages, the work piece collides with, more effectual noise pollution problem that has reduced the workshop, builds better operational environment for the staff, but also great improvement staff's work security, embody company and create people oriented enterprise culture, create humanized operational environment.

As shown in fig. 33 and 34, the self-stretching noise reduction mechanism in this embodiment further includes a blanking transition self-sliding material channel 5, and the blanking transition self-sliding material channel 5 includes a support 51 and a material guide plate 52 mounted on the support 51.

The self-stretching noise reduction mechanism in the embodiment can reduce noise generated by collision of workpieces processed in a workshop and avoid collision to cause collision damage, can relieve structural collapse of a chain type material channel caused by long-term repeated collision of the workpieces, and is applicable to various industry working properties including collision damage, material channel damage and noise pollution caused by workpiece processing collision. And the self-stretching noise reduction mechanism in the embodiment is an auxiliary mechanism of a transportation carrier, which has small investment and high universality and combines the characteristics of field operation.

To sum up, the utility model discloses various shortcomings in the prior art have effectively been overcome and high industry value has.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. The utility model provides a mechanism of making an uproar falls in self-stretching, its characterized in that, includes chain subassembly (1), sprocket subassembly (2), counter weight subassembly (3) and fixed subassembly (4), chain subassembly (1) includes a plurality of chains (11), and the one end of all chains (11) all is connected with fixed subassembly (4), and the other end of all chains (11) is walked around by the top of sprocket subassembly (2) and is connected with counter weight subassembly (3), just sprocket subassembly (2) include a plurality of sprockets (21), and all sprockets (21) mesh with all chains (11) respectively mutually.

2. A self-stretching noise reduction mechanism according to claim 1, wherein the sprocket assembly (2) further comprises a bracket (22) and a support shaft (23) mounted on the bracket (22), all the sprockets (21) being mounted on the support shaft (23).

3. The self-stretching noise reduction mechanism according to claim 2, wherein the bracket (22) is provided with a mounting hole (221), the end of the support shaft (23) is inserted into the mounting hole (221), the bracket (22) is provided with a locking hole communicated with the mounting hole (221), the locking hole is provided with a jackscrew (223), and the jackscrew (223) abuts against the end of the support shaft (23).

4. The self-stretching noise reduction mechanism according to claim 2, wherein there are two brackets (22), and both ends of the supporting shaft (23) are connected to the two brackets (22), respectively.

5. The self-stretching noise reduction mechanism according to claim 2, wherein the bracket (22) is provided with a connecting hole (224), and the connecting hole (224) is a long waist hole.

6. Self-stretching noise reduction mechanism according to claim 1, characterized in that said counterweight assembly (3) comprises a plurality of counterweight strips (31), said counterweight strips (31) being equal in number to the chains (11), all counterweight strips (31) being respectively connected to the other ends of all chains (11).

7. The self-stretching noise reduction mechanism according to claim 6, wherein a hook (32) is mounted on the counterweight strip (31), and the hook (32) is hooked with the other end of the chain (11).

8. The self-stretching noise reduction mechanism according to claim 6, wherein the weight bar (31) is provided with a through hole (311), the weight assembly (3) further comprises a screw rod (33), the screw rod (33) penetrates through the through holes (311) of all weight bars (31), and both ends of the screw rod (33) are provided with limit nuts (34).

9. The self-stretching noise reduction mechanism according to claim 8, wherein there are two screws (33), two through holes (311) are provided on the weight bar (31), and the two screws (33) are respectively inserted into the two through holes (311) of the weight bar (31).

10. Self-stretching noise reduction mechanism according to claim 8, characterized in that said through hole (311) is a long kidney hole.

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