阅读说明：本技术 一种堆拆垛机用防摆臂过位装置 (Anti-swing arm over-position device for stacking and unstacking machine ) 是由 马霖 高先海 李振 于 2021-06-11 设计创作，主要内容包括：本发明公开了一种堆拆垛机用防摆臂过位装置,定位支架上设置有定位块,定位块为阶梯轴结构,定位块由细轴和粗轴构成,粗轴的一端部与定位支架相连接,粗轴的另一端部与细轴的一端部固定连接,细轴的另一端部设置有缓冲块,缓冲块为轴结构,缓冲块且与细轴相接触的端面垂直于轴的中心线,缓冲块的另一端面与轴的中心线形成夹角,堆拆垛机摆臂旋转至极限位置状态下,摆臂的端部与缓冲块的倾斜面接触,缓冲块由此限定堆拆垛机摆臂旋转的极限位置,本装置结构简单,具有低成本且拆卸方便等优势,在不改变堆拆垛机原有结构的情况下,即可实现防止堆拆垛机摆臂过位的功能,可以极大的降低因摆臂过位造成滑撬掉落的概率。(The invention discloses a swing arm over-position preventing device for a stacking and unstacking machine, wherein a positioning block is arranged on a positioning support and is of a stepped shaft structure, the positioning block is composed of a thin shaft and a thick shaft, one end part of the thick shaft is connected with the positioning support, the other end part of the thick shaft is fixedly connected with one end part of the thin shaft, the other end part of the thin shaft is provided with a buffer block, the buffer block is of a shaft structure, the end surface of the buffer block, which is in contact with the thin shaft, is perpendicular to the central line of the shaft, the other end surface of the buffer block forms an included angle with the central line of the shaft, the end part of a swing arm is in contact with an inclined surface of the buffer block when the stacking and unstacking machine swing arm rotates to an extreme position, and the buffer block limits the extreme position of the rotation of the stacking and unstacking machine swing arm, the device has the advantages of low cost, convenience in disassembly and the like, and can realize the function of preventing the stacking and unstacking machine swing arm from over-position under the condition that the original structure of the stacking and unstacking machine is not changed, the probability that the skid falls off due to the fact that the swing arm is over-positioned can be greatly reduced.)

1. The utility model provides a pile destacking machine is with preventing swing arm device that crosses, its characterized in that: comprises a positioning bracket (1), a positioning block (2) is arranged on the positioning bracket (1), the positioning block (2) is of a stepped shaft structure, the positioning block (2) is composed of a thin shaft (201) and a thick shaft (202), one end part of the thick shaft (202) is connected with the positioning bracket (1), the other end part of the thick shaft (202) is fixedly connected with one end part of the thin shaft (201), the other end of the thin shaft (201) is provided with a buffer block (3), the buffer block (3) is of a shaft structure, the end surface of the buffer block (3) which is contacted with the thin shaft (201) is vertical to the central line of the shaft, the other end surface of the buffer block (3) forms an included angle with the central line of the shaft, and when the swing arm of the stacking and unstacking machine rotates to the extreme position, the ends of the swing arms are in contact with the inclined surfaces of the buffer blocks (3), the buffer blocks (3) thereby defining the extreme positions of rotation of the swing arms of the pile unstacker.

2. The swing arm over-position preventing device for the stack breaker according to claim 1, wherein a through hole (4) penetrates through the axis of the positioning block (2), the through hole (4) penetrates through the thin shaft (201) and the thick shaft (202), a first connecting hole (5) matched with the thin shaft (201) is formed in the axis of the buffer block (3), the thin shaft (201) penetrates through the first connecting hole (5), a lower counter bore (6) is further formed in the axis of the buffer block (3), a fixing screw (7) is arranged in the lower counter bore (6), the head of the fixing screw (7) is located in the lower counter bore (6), the shank of the fixing screw (7) penetrates through the through hole (4) and penetrates through the positioning support (1), and a locking nut (8) is arranged on the fixing screw (7), the positioning block (2) and the buffer block (3) are jointly fixed on the positioning support (1) through the fixing screws (7).

3. The swing arm over-position preventing device for the stacking and unstacking machine is characterized in that the positioning support (1) is of an L-shaped angle steel structure, a second connecting hole (9) connected with the positioning block (2) and the buffer block (3) is formed in one side plate surface of the positioning support (1), and a third connecting hole (10) connected with the stacking and unstacking machine is formed in the other side plate surface of the positioning support (1).

4. The swing arm over-position prevention device for the stack unstacker according to claim 2, wherein gasket assemblies (11) are arranged between the head of the fixing screw (7) and the inner wall of the lower counter bore (6) and between the locking nut (8) and the positioning bracket (1).

5. The swing arm over-position prevention device for the stack unstacker according to claim 4, wherein the gasket assembly (11) is composed of an elastic gasket (111) and a flat gasket (112).

6. The swing arm over-position prevention device for the stack unstacker is characterized in that in a gasket assembly (11) between the head of the fixing screw (7) and the inner wall of the lower counter bore (6), the elastic gasket (111) is in close contact with the head of the fixing screw (7), and the flat gasket (112) is in close contact with the inner wall of the lower counter bore (6).

7. The swing arm over-position prevention device for the stack unstacker is characterized in that the spring washer (111) is tightly contacted with the lock nut (8) and the flat washer (112) is tightly contacted with the positioning bracket (1) in the gasket assembly (11) between the lock nut (8) and the positioning bracket (1).

8. The swing arm over-position prevention device for the stack unstacker according to claim 6 or 7, wherein the elastic washer (111) is a rubber washer, and the flat washer (112) is a metal washer.

9. The swing arm over-position prevention device for the stack unstacker according to claim 6 or 7, wherein the ring diameter of the flat washer (112) is larger than that of the elastic washer (111).

10. The swing arm over-position prevention device for the stack unstacker according to claim 2, wherein the buffer block (3) is made of polyurethane material.

Technical Field

The invention relates to the technical field of parts of stacking and unstacking machines, in particular to a swing arm over-position preventing device for a stacking and unstacking machine.

Background

A stacking and unstacking machine relates to the technical field of skid conveying machinery, releases labor force to a great extent through automatic stacking and unstacking, and improves production efficiency.

The stacking and unstacking machine mainly comprises a lifting platform, a support fork assembly, a linkage rod, a driving assembly, a stacking and unstacking support, a ground foot, a rotary arm switch support, a motor and the like. The stacking and unstacking functions of the skid are realized through the matching action of the lifting platform and the fork assembly. The empty skids for conveying the vehicle bodies are piled up and then conveyed to the storage area, so that the storage capacity can be remarkably increased. The maximization of factory building space utilization is realized, but the stop position of a fork assembly (swing arm) is often incorrect in the conventional stacking and unstacking machine, so that the skid has the risk of falling.

Disclosure of Invention

The invention aims to provide an anti-swing arm over-position device for a stacking and unstacking machine, so as to solve the technical problems mentioned in the background technology.

The utility model provides a pile destacking machine is with preventing swing arm dislocation device, includes:

the stacking and unstacking machine swing arm comprises a positioning support, wherein a positioning block is arranged on the positioning support and is of a stepped shaft structure, the positioning block is composed of a thin shaft and a thick shaft, one end of the thick shaft is connected with the positioning support, the other end of the thick shaft is fixedly connected with one end of the thin shaft, the other end of the thin shaft is provided with a buffer block, the positioning block is used for fixing the buffer block, the buffer block is firmly fixed on the positioning support by the positioning block and is of a shaft structure, the end face of the buffer block, which is in contact with the thin shaft, is perpendicular to the central line of the shaft, an included angle is formed between the other end face of the buffer block and the central line of the shaft, the end of the swing arm is in contact with the inclined face of the buffer block when the stacking and unstacking machine swing arm rotates to an extreme limiting position, and the buffer block limits the limit of the rotation of the stacking and unstacking machine swing arm, the device has the advantages of simple structure, low cost, convenience in disassembly and the like, the function of preventing the swing arm of the stacking and unstacking machine from being over-positioned can be realized under the condition of not changing the original structure of the stacking and unstacking machine, the probability of falling of the skid caused by over-position of the swing arm can be greatly reduced, the limit of the rotation limit position of the swing arm of the stacking and unstacking machine can be realized by determining the inclination angle of the end surface of the buffer block 3, when the swing arm of the stacking and unstacking machine cannot normally transmit signals due to position movement caused by failure of a photoelectric switch or other reasons, the swing arm of the stacking and unstacking machine can continue to rotate due to the fact that the stop signals are not received, and the swing arm can not continue to rotate due to the mechanical limit effect of the swing arm over-position prevention device provided by the invention, so that the skid can be effectively prevented from falling or the swing arm impacts a side plate of a roller bed to damage equipment and the like.

Furthermore, a through hole penetrates through the axis of the positioning block, the through hole penetrates through the thin shaft and the thick shaft, a first connecting hole matched with the thin shaft is formed in the axis of the buffer block, the thin shaft is connected in the first connecting hole in a penetrating manner, the buffer block is equivalently sleeved at the end part of the positioning block, a lower counter bore is further formed in the axis of the buffer block, a fixing screw is arranged in the lower counter bore, the head of the fixing screw is positioned in the lower counter bore, the buffer block can be kept in contact with a swing arm of a stacking and unstacking machine, but not the head of the fixing screw is in contact with the swing arm, the structure further plays a role in protecting the swing arm, the nail body of the fixing screw penetrates through the through hole and penetrates through the positioning support, the fixing screw is provided with a locking nut, and the positioning block and the buffer block are jointly fixed on the positioning support by the fixing screw, the fixing mode ensures that the buffer block is fixed firmly.

Furthermore, the locating support is of an L-shaped angle steel structure, a second connecting hole connected with the locating block and the buffer block is formed in the plate surface of one side of the locating support, a third connecting hole connected with the stacking and unstacking machine is formed in the plate surface of the other side of the locating support, the locating support is connected to the stacking and unstacking machine, the function of preventing the swing arm of the stacking and unstacking machine from being in an over-position mode can be achieved under the condition that the original structure of the stacking and unstacking machine is not changed, and the probability that the skid falls off due to the fact that the swing arm is in an over-position mode can be greatly reduced.

Furthermore, gasket components are arranged between the head of the fixing screw and the inner wall of the lower hole and between the locking nut and the positioning support, and the arrangement of the gasket components enables the fixing screw and the locking nut to better exert the connection and fixation effects on the positioning support, the positioning block and the buffer block.

Furthermore, the gasket component comprises an elastic gasket and a flat gasket, the elastic gasket is used for increasing the friction force between the head of the fixing screw and the locking nut, the flat gasket is used for increasing the contact area between the head of the fixing screw and the locking nut and the connecting body, and the fixing screw and the locking nut are effectively prevented from falling off by combining the flat gasket and the connecting body.

Furthermore, be located set screw's head with among the gasket subassembly between the downthehole wall, play the packing ring with set screw's head in close contact with, the plain washer with downthehole wall in close contact with, play the packing ring with the plain washer is in set screw's head with play between the downthehole wall and increase the frictional force of set screw head and increase set screw's head with the area of contact between the downthehole wall's effect effectively prevents set screw drops.

Furthermore, in the spacer assembly between the locking nut and the positioning bracket, the spring washer is in close contact with the locking nut, the flat washer is in close contact with the positioning bracket, and the spring washer and the flat washer play a role in increasing the friction force of the locking nut and increasing the contact area between the locking nut and the positioning bracket, so that the locking nut is effectively prevented from falling off.

Further, the spring washer is a rubber washer, the flat washer is a metal washer, and the spring washer prevents direct contact between the connecting parts and prevents the connecting parts from being damaged by screw connection.

Further, the ring diameter of the flat washer is larger than that of the elastic washer.

Furthermore, the buffer block is made of a polyurethane material, the polyurethane is a high molecular compound, the elastomer made of the polyurethane has 2 soft and hard chain segments in structure, so that excellent performances such as high strength, high toughness, wear resistance, oil resistance and the like can be endowed to the material through the design of molecular chains, and the buffer block is made of the polyurethane material, limits the limit position of the rotation of the swing arm of the stacking and unstacking machine, and simultaneously plays a certain buffer role in contact with the swing arm.

Compared with the prior art, the invention has the beneficial effects that: the stacking and unstacking machine is provided with a positioning support, a positioning block is arranged on the positioning support and is of a stepped shaft structure, the positioning block is composed of a thin shaft and a thick shaft, one end part of the thick shaft is connected with the positioning support, the other end part of the thick shaft is fixedly connected with one end part of the thin shaft, the other end part of the thin shaft is provided with a buffer block, the positioning block plays a role in fixing the buffer block, the buffer block is firmly fixed on the positioning support by the positioning block and is of a shaft structure, the end face of the buffer block, which is in contact with the thin shaft, is perpendicular to the central line of the shaft, an included angle is formed between the other end face of the buffer block and the central line of the shaft, when the swing arm of the stacking and unstacking machine rotates to an extreme position, the end part of the swing arm is in contact with the inclined face of the buffer block, and the buffer block limits the extreme position of the rotation of the swing arm of the stacking and unstacking machine accordingly, the device has the advantages of low cost, convenience in disassembly and the like, the device can realize the function of preventing the swing arm of the stacker-unstacker from being over-positioned, can greatly reduce the probability of the falling of the skid caused by the over-position of the swing arm, can limit the rotation limit position of the swing arm of the stacker-unstacker by determining the inclination angle of the end surface of the buffer block, can continue to rotate when the swing arm of the stacker-unstacker cannot normally transmit signals due to the position movement caused by the failure of the photoelectric switch or other reasons, and can not continue to rotate due to the mechanical limit action of the device for preventing the swing arm from being over-positioned, thereby effectively preventing the condition that the skid falls or the swing arm impacts a side plate of a roller bed to damage equipment and the like.

Drawings

FIG. 1 is a front view of the main structure of the present invention;

FIG. 2 is a top cross-sectional view of the main body structure of the present invention;

FIG. 3 is a top cross-sectional view of a locating block of the present invention;

FIG. 4 is a top sectional view of a bump stop according to the present invention

FIG. 5 is a left side view of the main structure of the present invention

FIG. 6 is a schematic view of the assembly of the body construction of the present invention in a pile unstacker.

In the figure: 1. positioning the bracket; 2. positioning blocks; 201. a thin shaft; 202. a coarse shaft; 3. a buffer block; 4. a through hole; 5. a first connection hole; 6. a lower counter bore; 7. a set screw; 8. locking the nut; 9. a second connection hole; 10. a third connection hole; 11. a gasket assembly; 111. a spring washer; 112. a flat washer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an anti-swing arm over-position device for a stacking and unstacking machine,

the stacking and unstacking machine swing arm comprises a positioning support 1, a positioning block 2 is arranged on the positioning support 1, the positioning block 2 is of a stepped shaft structure, the positioning block 2 is composed of a thin shaft 201 and a thick shaft 202, one end of the thick shaft 202 is connected with the positioning support 1, the other end of the thick shaft 202 is fixedly connected with one end of the thin shaft 201, the other end of the thin shaft 201 is provided with a buffer block 3, the positioning block 2 fixes the buffer block 3, the buffer block 3 is firmly fixed on the positioning support 1 through the positioning block 2, the buffer block 3 is of a shaft structure, the end face of the buffer block 3, which is in contact with the thin shaft 201, is perpendicular to the center line of the shaft, an included angle is formed between the other end face of the buffer block 3 and the center line of the shaft, and the end of the swing arm is in contact with the inclined face of the buffer block 3 when the stacking and unstacking machine swing arm rotates to an extreme position, the buffer block 3 limits the rotating limit position of the swing arm of the stacking and unstacking machine, the device has the advantages of simple structure, low cost, convenient disassembly and the like, under the condition of not changing the original structure of the stacking and unstacking machine, can realize the function of preventing the swing arm of the stacking and unstacking machine from being over-positioned, can greatly reduce the probability of the skid falling off caused by the over-position of the swing arm, the limit of the rotation limit position of the swing arm of the pile unstacker is realized by determining the inclination angle of the end surface of the buffer block 3, when the position of the swing arm of the pile unstacker moves due to the failure of the photoelectric switch or other reasons, so that the swing arm of the pile unstacker can not normally transmit signals, the swing arm of the pile unstacker can continue to rotate due to the failure of receiving a stop signal, due to the mechanical limiting function of the swing arm over-position prevention device provided by the invention, the swing arm can not rotate continuously, so that the conditions that a skid falls or the swing arm impacts a side plate of a roller bed to damage equipment and the like are effectively prevented.

In this embodiment, specifically, a through hole 4 penetrates through the axis of the positioning block 2, the through hole 4 penetrates through the thin shaft 201 and the thick shaft 202, a first connection hole 5 matched with the thin shaft 201 is formed in the axis of the buffer block 3, the thin shaft 201 penetrates through and is connected to the first connection hole 5, which is equivalent to the fact that the buffer block 3 is sleeved on the end of the positioning block 2, a lower counter bore 6 is further formed in the axis of the buffer block 3, a fixing screw 7 is arranged in the lower counter bore 6, the head of the fixing screw 7 is located in the lower counter bore 6, and the buffer block 3 can be kept in contact with the swing arm of the stacking and unstacking machine, but not the head of the fixing screw 7 is in contact with the swing arm, the structure further protects the swing arm, and the shank of the fixing screw 7 penetrates through the through hole 4 and passes through the positioning support 1, the fixing screw 7 is provided with a locking nut 8, so that the positioning block 2 and the buffer block 3 are jointly fixed on the positioning support 1 by the fixing screw 7, and the buffer block 3 is firmly fixed by the fixing mode.

This embodiment, particularly, locating support 1 is L shape angle steel construction, set up on one side face of locating support 1 with locating piece 2 reaches second connecting hole 9 that buffer block 3 is connected, set up third connecting hole 10 that is connected with the pile unstacker on the opposite side face of locating support 1, through with locating support 1 connects on the pile unstacker, under the condition that does not change the original structure of pile unstacker, can realize preventing the function that the pile unstacker swing arm was crossed, and reduction that can be very big leads to the fact the probability that the sled dropped because of the swing arm is crossed.

In this embodiment, specifically, gasket assemblies 11 are respectively disposed between the head of the fixing screw 7 and the inner wall of the lower counterbore 6 and between the lock nut 8 and the positioning bracket 1, and the arrangement of the gasket assemblies 11 enables the fixing screw 7 and the lock nut 8 to better exert a connecting and fixing effect on the positioning bracket 1, the positioning block 2 and the buffer block 3.

In this embodiment, specifically, the shim assembly 11 is composed of an elastic washer 111 and a flat washer 112, the elastic washer 111 is used for increasing the friction force between the head of the fixing screw 7 and the lock nut 8, and the flat washer 112 is used for increasing the contact area between the head of the fixing screw 7 and the lock nut 8 and the connecting body, so that the fixing screw 7 and the lock nut 8 are effectively prevented from falling off in combination.

In this embodiment, specifically, in the gasket assembly 11 located between the head of the fixing screw 7 and the inner wall of the lower counterbore 6, the elastic washer 111 is in close contact with the head of the fixing screw 7, the flat washer 112 is in close contact with the inner wall of the lower counterbore 6, and the elastic washer 111 and the flat washer 112 play roles in increasing the friction force of the head of the fixing screw 7 and increasing the contact area between the head of the fixing screw 7 and the inner wall of the lower counterbore 6, so as to effectively prevent the fixing screw 7 from falling off.

In this embodiment, specifically, in the spacer assembly 11 between the lock nut 8 and the positioning bracket 1, the elastic washer 111 is in close contact with the lock nut 8, the flat washer 112 is in close contact with the positioning bracket 1, and the elastic washer 111 and the flat washer 112 play a role in increasing the friction force of the lock nut 8 and increasing the contact area between the lock nut 8 and the positioning bracket 1, so as to effectively prevent the lock nut 8 from falling off.

In this embodiment, specifically, the elastic washer 111 is a rubber washer, the flat washer 112 is a metal washer, and the elastic washer 111 prevents direct contact between the connection parts and prevents damage to the connection parts due to screwing.

In this embodiment, specifically, the ring diameter of the flat washer 112 is larger than that of the spring washer 111.

In this embodiment, specifically, the buffer block 3 is made of a polyurethane material, the polyurethane is a high molecular compound, the elastomer made of the polyurethane has 2 soft and hard segments, so that the design of the segments can provide excellent performances such as high strength, high toughness, wear resistance, oil resistance and the like to the material, and the buffer block 3 is made of the polyurethane material, and can limit the limit position of the rotation of the swing arm of the stacking and unstacking machine and simultaneously has a certain buffer effect on the swing arm by contacting with the swing arm.

The working principle is as follows: the device is provided with a positioning support 1, a positioning block 2 is arranged on the positioning support 1, the positioning block 2 is of a stepped shaft structure, the positioning block 2 is composed of a thin shaft 201 and a thick shaft 202, one end part of the thick shaft 202 is connected with the positioning support 1, the other end part of the thick shaft 202 is fixedly connected with one end part of the thin shaft 201, the other end part of the thin shaft 201 is provided with a buffer block 3, the positioning block 2 has a fixing effect on the buffer block 3, the buffer block 3 is firmly fixed on the positioning support 1 by the positioning block 2, the buffer block 3 is of a shaft structure, the end surface of the buffer block 3, which is in contact with the thin shaft 201, is vertical to the central line of the shaft, an included angle is formed between the other end surface of the buffer block 3 and the central line of the shaft, the end part of a swing arm of the stacking and unstacker is in contact with an inclined surface of the buffer block 3 under the state that the swing arm of the stacking and unstacker rotates to the extreme position, and the buffer block 3 limits the limit position of the swing arm to rotate, the device has the advantages of low cost, convenience in disassembly and the like, the function of preventing the swing arm of the stacking and unstacking machine from being over-positioned can be realized under the condition of not changing the original structure of the stacking and unstacking machine, the probability of falling of the skid caused by over-position of the swing arm can be greatly reduced, the limit of the rotation limit position of the swing arm of the stacking and unstacking machine is realized by determining the inclination angle of the end surface of the buffer block 3, when the swing arm of the stacking and unstacking machine cannot normally transmit a signal due to position movement caused by failure of a photoelectric switch or other reasons, the swing arm of the stacking and unstacking machine can continue to rotate due to the fact that a stop signal is not received, and the swing arm can not continue to rotate due to the mechanical limit action of the swing arm over-position prevention device provided by the invention, so that the skid is effectively prevented from falling or the swing arm impacts a side plate of a roller bed to damage equipment and the like.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.