CN220783953U - Large-flow suction tool with buffer function - Google Patents

Abstract

The utility model provides a high-flow suction tool with a buffer, relates to the technical field of vacuum grabbing equipment, and solves the technical problems that in the prior art, a silica gel or sponge sucker is relatively poor in wear resistance, needs to be replaced frequently and is short in service life. The device includes nylon sucking disc, buffering cavity, buffer gear and connecting piece, wherein, nylon sucking disc with the buffer cavity is connected just nylon sucking disc with the inside intercommunication of buffer cavity both, buffer gear's stiff end with the buffer cavity is connected just nylon sucking disc with buffer gear is located respectively the both sides of buffer cavity, buffer gear's expansion end with the connecting piece is connected, buffer cavity's side can be linked together with the air-blower, buffer gear can change buffer cavity with the distance between the connecting piece two.

Description

Large-flow suction tool with buffer function

Technical Field

The utility model relates to the technical field of vacuum grabbing equipment, in particular to a high-flow suction tool with a buffer function.

Background

At present, the vacuum grabbing equipment on the tail end of the robot usually adopts a silica gel type or sponge type sucker, but the wear resistance of the silica gel type or sponge type sucker is relatively poor, the silica gel type or sponge type sucker needs to be replaced frequently, and the service life is short. When a plurality of silica gel or sponge suckers are used for grabbing surface wrinkles, and soft package materials with height differences exist, a vacuum environment is difficult to form between the suckers and the surfaces of the materials, and the suckers can be possibly fallen or damaged due to uneven stress of each sucker on the materials, so that the sucker needs to be replaced frequently, time and labor are wasted, the cost is high, and the use effect is poor.

Disclosure of Invention

The utility model aims to provide a high-flow suction tool with buffer, which solves the technical problems of relatively poor wear resistance, frequent replacement and short service life of a silica gel or sponge sucker in the prior art _。 The utility model can produce the best technical proposal among the technical proposalThe various technical effects of the process are described in detail below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a large-flow absorbing tool with buffering, which comprises a nylon sucker, a buffering cavity, a buffering mechanism and a connecting piece, wherein the nylon sucker is connected with the buffering cavity, the nylon sucker is communicated with the inside of the buffering cavity, the fixed end of the buffering mechanism is connected with the buffering cavity, the nylon sucker and the buffering mechanism are respectively positioned at two sides of the buffering cavity, the movable end of the buffering mechanism is connected with the connecting piece, the side end of the buffering cavity can be communicated with a blower, and the buffering mechanism can change the distance between the buffering cavity and the connecting piece.

Optionally, the nylon sucking disc includes shell body and inner panel, the inner panel is located in the shell body, the inner panel the shell body with the cushion chamber is connected through the bolt.

Optionally, a vacuum groove is arranged in the outer shell, a through hole is formed in a bottom plate of the outer shell, a circulation groove is formed in the inner plate, the inner plate is located in the vacuum groove, the inner plate is connected with the bottom plate, the circulation groove is located at one side close to the bottom plate, and the vacuum groove, the circulation groove, the through hole and the buffer cavity are communicated.

Optionally, the flow channel is in a cross structure.

Optionally, a filter screen is arranged in the through hole.

Optionally, a silica gel sealing pad is arranged between the nylon sucker and the buffer cavity.

Optionally, the buffer cavity includes upper cover and lower casing, the upper cover with lower casing is connected through the bolt, the upper cover with buffer gear's stiff end is connected, lower casing with nylon sucking disc is connected.

Optionally, an annular groove is formed in one end face of the upper cover, an annular protruding strip is formed in a port of the lower shell, and the annular protruding strip can be matched with the annular groove;

the other end face of the upper cover is provided with a connecting block, and the connecting block is connected with the fixed end of the buffer mechanism through a bolt;

the side wall of lower casing is provided with connecting tube, the bottom of lower casing is provided with the intercommunication mouth, the intercommunication mouth with nylon sucking disc's inside is linked together.

Optionally, the buffer gear includes guiding axle, spring, linear bearing, fixed block and spacing portion, the fixed block with the buffer cavity is connected through the bolt, the one end of guiding axle with the fixed block is connected, linear bearing installs on the connecting piece, the other end of guiding axle passes linear bearing with spacing portion is connected, the spring housing is in on the guiding axle just the spring is located linear bearing with between the fixed block two.

Optionally, the nylon sucking disc and the buffer cavity are two, and the number of the buffer mechanisms is multiple.

According to the high-flow suction tool with the buffer, the nylon suction disc is made of nylon materials, so that the wear resistance of the nylon suction disc is high, the suction tool is not easy to damage, frequent replacement is not needed, and the service life is long; when the nylon sucker grabs materials, the buffer mechanism has a buffer effect, and when the nylon sucker pushes down the materials, the buffer mechanism can compensate the height difference of the materials; the buffer cavity is connected with the blower, and the large flow of the blower can quickly enable the nylon sucker to have larger suction force, so that materials can be quickly sucked, and the technical problems that in the prior art, the abrasion resistance of the silica gel or sponge sucker is relatively poor, frequent replacement is needed, and the service life is short are solved _。

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a buffered high flow suction device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of another side of a buffered high-flow suction device according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a buffered, high flow suction tool according to an embodiment of the present utility model;

FIG. 4 is an exploded view of a buffered, high flow suction tool according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a top cover with a buffer and high-flow suction device according to an embodiment of the present utility model;

FIG. 6 is a schematic view of another side of an upper cover with a buffer and high-flow suction device according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a lower housing with a buffer and high flow suction device according to an embodiment of the present utility model;

FIG. 8 is a schematic view of an outer housing with a buffered high flow suction device according to an embodiment of the present utility model;

FIG. 9 is a schematic view of another side of an outer housing with a cushioned high flow suction device according to an embodiment of the present utility model;

fig. 10 is a schematic structural view of an inner plate with a buffer and high-flow suction tool according to an embodiment of the present utility model;

FIG. 11 is a schematic diagram of a buffering mechanism with a buffering and high-flow suction device according to an embodiment of the present utility model;

fig. 12 is an exploded view of a buffer mechanism with a buffered high-flow aspirator according to an embodiment of the present utility model.

In the figure, 1, a nylon sucker; 11. an outer housing; 111. a vacuum tank; 112. a through hole; 1121. a filter screen; 12. an inner plate; 121. a flow channel;

2. a buffer cavity; 21. an upper cover; 211. an annular groove; 212. a connecting block; 22. a lower housing; 221. annular raised strips; 222. a connecting pipe; 223. a communication port;

3. a buffer mechanism; 31. a guide shaft; 32. a spring; 33. a linear bearing; 34. a fixed block; 35. a limit part; 351. a limit bolt; 352. an elastic washer; 353. a baffle;

4. a connecting piece;

5. and a silica gel sealing gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

In the description of the present utility model, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", etc., refer to an orientation or positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

The utility model provides a large-flow absorbing tool with buffer, which comprises a nylon sucker 1, a buffer cavity 2, a buffer mechanism 3 and a connecting piece 4, wherein the nylon sucker 1 is connected with the buffer cavity 2, the nylon sucker 1 is communicated with the inside of the buffer cavity 2, the fixed end of the buffer mechanism 3 is connected with the buffer cavity 2, the nylon sucker 1 and the buffer mechanism 3 are respectively positioned at two sides of the buffer cavity 2, the movable end of the buffer mechanism 3 is connected with the connecting piece 4, the side end of the buffer cavity 2 can be communicated with a blower, and the buffer mechanism 3 can change the distance between the buffer cavity 2 and the connecting piece 4, namely the distance between the nylon sucker 1 and the connecting piece 4 can be changed. According to the buffering high-flow suction tool provided by the utility model, the nylon suction disc 1 is made of nylon materials, so that the nylon suction disc 1 is high in wear resistance and not easy to damage, and therefore, the nylon suction disc is not required to be replaced frequently and has long service life; when the nylon sucker 1 grabs materials, the buffer mechanism 3 has a buffer function, and when the nylon sucker 1 presses down the materials, the buffer mechanism 3 can compensate the height difference of the materials; the buffer cavity 2 is connected with the blower, and the large flow of the blower can quickly enable the nylon sucker 1 to have larger suction force, so that materials can be quickly sucked, and the technical problems that in the prior art, the abrasion resistance of a silica gel type or sponge type sucker is relatively poor, frequent replacement is needed, and the service life is short are solved.

As an alternative embodiment, the nylon suction cup 1 includes an outer case 11 and an inner plate 12, the inner plate 12 is located in the outer case 11, the inner plate 12, the outer case 11 and the buffer chamber 2 are connected by bolts, and the inner plate 12, the bottom plate and the lower case 22 are connected by bolts. The vacuum groove 111 is arranged in the outer shell 11 and is used for forming vacuum, the through hole 112 is arranged on the bottom plate of the outer shell 11, the circulation groove 121 is arranged on the inner plate 12, the inner plate 12 is positioned in the vacuum groove 111, the inner plate 12 is connected with the bottom plate, the circulation groove 121 is positioned on one side close to the bottom plate, the inner plate 12 is used for shielding larger foreign matters, and the through hole 112 is prevented from being blocked, and the vacuum groove 111, the circulation groove 121, the through hole 112 and the inside of the buffer cavity 2 are communicated.

As an alternative embodiment, the circulation groove 121 may have a cross structure, which increases the circulation ports communicated between the circulation groove 121 and the vacuum groove 111, and may rapidly suck the vacuum groove 111 to form vacuum, and simultaneously avoid the blockage of foreign matters or materials, so that the possibility of being totally blocked by the foreign matters or materials is reduced by a plurality of circulation ports, so that the nylon suction cup 1 can form vacuum each time.

As an alternative embodiment, the filter screen 1121 is disposed in the through hole 112, and further blocks relatively small foreign matters, so that the blower can be protected.

As an alternative embodiment, a silica gel sealing pad 5 is arranged between the nylon sucker 1 and the buffer cavity 2, and is used for sealing the nylon sucker 1 and the buffer cavity 2, so as to avoid air leakage.

As an alternative embodiment, the buffer chamber 2 includes an upper cover 21 and a lower housing 22, the upper cover 21 is connected with the lower housing 22 by bolts, a sealed space is formed between the upper cover 21 and the lower housing 22 for buffering the gas from the inside of the nylon suction cup 1, the upper cover 21 is connected with the fixed end of the buffer mechanism 3, and the lower housing 22 is connected with the nylon suction cup 1.

As an alternative embodiment, an annular groove 211 is formed on one end surface of the upper cover 21, an annular raised line 221 is formed on a port of the lower shell 22, and the annular raised line 221 can be matched with the annular groove 211, so that positioning and sealing between the upper cover 21 and the lower shell 22 can be realized;

the other end face of the upper cover 21 is provided with connecting blocks 212, the connecting blocks 212 are connected with the fixed ends of the buffer mechanisms 3 through bolts, the number of the connecting blocks 212 can be four, and the connecting blocks 212 are consistent with the number of the buffer mechanisms 3 and are connected in a one-to-one correspondence manner;

the side wall of the lower shell 22 is provided with a connecting pipeline 222, the bottom of the lower shell 22 is provided with a communication port 223, the communication port 223 is communicated with the inside of the nylon suction cup 1, and the communication port 223 is communicated with the through hole 112.

As an alternative embodiment, the buffer mechanism 3 includes a guide shaft 31, a spring 32, a linear bearing 33, a fixed block 34 and a limiting portion 35, the fixed block 34 is connected with the buffer cavity 2 through a bolt, the fixed block 34 is connected with the connecting block 212 through a bolt, one end of the guide shaft 31 is connected with the fixed block 34, the linear bearing 33 is mounted on the connecting piece 4, the other end of the guide shaft 31 is connected with the limiting portion 35 through the linear bearing 33, the spring 32 is sleeved on the guide shaft 31, and the spring 32 is located between the linear bearing 33 and the fixed block 34. The linear bearing 33 can move along the length direction of the guide shaft 31, so that the connecting piece 4 can be driven to move towards or away from the nylon sucker 1; when the linear bearing 33 moves downward, the spring 32 is compressed; when the linear bearing 33 needs to move upwards, the compression force of the spring 32 pushes the linear bearing 33 to move upwards; the limit part 35 can avoid the linear bearing 33 from being separated from the guide shaft 31, the limit part 35 comprises a limit bolt 351, an elastic washer 352 and a baffle 353, the limit bolt 351 sequentially penetrates through the elastic washer 352 and the baffle 353 and is in threaded connection with the end part of the guide shaft 31, and the elastic washer 352 and the baffle 353 are positioned between the limit bolt 351 and the linear bearing 33. The connecting piece 4 comprises a supporting plate and a flange piece, the linear bearing 33 is arranged in a mounting hole in the supporting plate, the flange piece is connected with the supporting plate through bolts, and the other end of the flange piece is connected to the robot and used for carrying materials.

As an alternative embodiment, the number of the nylon suction cup 1 and the number of the buffer cavities 2 are two, so that two materials can be simultaneously grabbed, and the number of the buffer mechanisms 3 is multiple. When there is a height difference between two materials, one nylon sucking disc 1 contacts a material with a higher height, and the other nylon sucking disc 1 does not contact a material with a lower height, the buffer mechanism 3 on the one nylon sucking disc 1 moves downwards, namely the linear bearing 33 moves downwards, the nylon sucking disc 1 is motionless and compresses the spring 32, but the connecting piece 4 can continue to descend until the other nylon sucking disc 1 can contact a material with a lower height, and then stops moving, and at the moment, both materials can be sucked and grabbed simultaneously.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. The large-flow suction tool with the buffer is characterized by comprising a nylon sucker (1), a buffer cavity (2), a buffer mechanism (3) and a connecting piece (4), wherein,

nylon sucking disc (1) with buffer cavity (2) are connected just nylon sucking disc (1) with buffer cavity (2) are inside to be linked together, buffer gear (3) the stiff end with buffer cavity (2) are connected just nylon sucking disc (1) with buffer gear (3) are located respectively buffer cavity (2) both sides, buffer gear (3) the expansion end with connecting piece (4) are connected, buffer cavity (2)'s side can be linked together with the air-blower, buffer gear (3) can change buffer cavity (2) with distance between connecting piece (4) both.

2. The buffered high-flow suction tool according to claim 1, wherein the nylon suction cup (1) comprises an outer shell (11) and an inner plate (12), the inner plate (12) is positioned in the outer shell (11), and the inner plate (12), the outer shell (11) and the buffer cavity (2) are connected through bolts.

3. The high-flow suction tool with buffering according to claim 2, wherein a vacuum groove (111) is arranged in the outer shell (11), a through hole (112) is formed in a bottom plate of the outer shell (11), a circulation groove (121) is formed in the inner plate (12), the inner plate (12) is located in the vacuum groove (111), the inner plate (12) is connected with the bottom plate, the circulation groove (121) is located on one side close to the bottom plate, and the vacuum groove (111), the circulation groove (121), the through hole (112) and the inside of the buffering cavity (2) are communicated.

4. A buffered, high-flow suction tool according to claim 3, wherein the flow channel (121) is of a cross-like configuration.

5. A buffered, high-flow suction tool according to claim 3, wherein a filter screen (1121) is provided in the through-hole (112).

6. The buffered high-flow suction tool according to claim 1, wherein a silica gel sealing pad (5) is arranged between the nylon suction cup (1) and the buffer cavity (2).

7. The high-flow absorbing tool with buffering according to claim 1, wherein the buffering cavity (2) comprises an upper cover (21) and a lower shell (22), the upper cover (21) is connected with the lower shell (22) through bolts, the upper cover (21) is connected with the fixed end of the buffering mechanism (3), and the lower shell (22) is connected with the nylon sucker (1).

8. The buffered and high-flow suction tool according to claim 7, wherein an end face of the upper cover (21) is provided with an annular groove (211), and a port of the lower housing (22) is provided with an annular protruding strip (221), and the annular protruding strip (221) can be matched with the annular groove (211);

a connecting block (212) is arranged on the other end face of the upper cover (21), and the connecting block (212) is connected with the fixed end of the buffer mechanism (3) through a bolt;

the side wall of lower casing (22) is provided with connecting tube (222), the bottom of lower casing (22) is provided with intercommunication mouth (223), intercommunication mouth (223) with the inside of nylon sucking disc (1) is linked together.

9. The high-flow absorbing device with buffering according to claim 1, wherein the buffering mechanism (3) comprises a guide shaft (31), a spring (32), a linear bearing (33), a fixed block (34) and a limiting part (35), the fixed block (34) is connected with the buffering cavity (2) through a bolt, one end of the guide shaft (31) is connected with the fixed block (34), the linear bearing (33) is mounted on the connecting piece (4), the other end of the guide shaft (31) penetrates through the linear bearing (33) to be connected with the limiting part (35), the spring (32) is sleeved on the guide shaft (31), and the spring (32) is located between the linear bearing (33) and the fixed block (34).

10. The high-flow suction tool with buffering according to claim 1, wherein the number of the nylon sucking discs (1) and the number of the buffering cavities (2) are two, and the number of the buffering mechanisms (3) is a plurality.