Large hub center claw suction disc device

Abstract

The present invention relates to a large hub center claw suction disc device, comprising an operating side wall panel, a transmission side wall panel, a large hub main shaft, a large hub transmission gear, a large hub wheel, an operating side center clamp web plate, a transmission side center clamp web plate, a center clamp paper clamping cam, a large hub suction and distribution disc device and several groups of center claw suction and paper clamping components. The center claw suction and paper clamping components include a suction plate, a center clamp core shaft, a center clamp component, a cam crankshaft, a shaft bearing and a return device. The return device includes a torsion spring fixing sleeve and a torsion spring. One end of the large hub main shaft is provided with several air inlet holes axially inwardly from the end face, and several main shaft air vents are radially provided at corresponding positions on the shaft. Several large hub wheel air vents are provided on the large hub wheel, a ventilation channel is provided at the bottom of the suction plate, and several groups of suction plate air holes are provided on the surface. The large hub center claw suction disc device has high bottom opening efficiency, high reliability, high success rate, compact structure, wide adaptability and strong versatility.

Description

Technical field:

[0001] The invention relates to the technical field of packaging bag processing equipment, in particular to a large hub center claw suction disc device. Background technology:

[0002] With the improvement of the convenience of life, products such as packaging bags and shopping bags have emerged. Large hub center claw suction disc device is more common in packaging paper bag production equipment, mainly used to cooperate with the bottom opening of paper bags.

[0003] The existing large hub center claw suction disc device has no suction device on the large hub wheel. When the paper bag is rolled into a tube and the bottom is opened, the paper sheet at the bottom of the paper tube cannot fit well with the large hub, which may cause the central clamp to fail to clamp the paper or clamp the entire bottom two layers of paper, resulting in unsuccessful bottom opening and even machine failure. Summary of the invention:

[0004] In response to the above problems, the present invention proposes a large hub center claw suction disc device with high bottom opening efficiency, high reliability, high success rate, compact structure, wide adaptability and strong versatility.

[0005] The present invention is realized through the following technical solution: a large hub center claw suction disc device, including an operating side wall plate, a transmission side wall plate, a large hub main shaft, a large hub transmission gear, a large hub wheel, an operating side center clamp web plate, and a transmission side center clamp web plate.

[0006] The two ends of the large hub main shaft are respectively arranged on the operating side wall plate and the transmission side wall plate. The large hub transmission gear is connected to one end of the large hub main shaft and can drive the large hub main shaft to rotate. The large hub wheel, the operating side center clamp web plate and the transmission side center clamp web plate are all sleeved on the large hub main shaft and can rotate with the large hub main shaft. The operating side center clamp web plate is arranged on the side of the large hub wheel close to the operating side wall plate, and the transmission side center clamp web plate is arranged on the side of the large hub wheel close to the transmission side wall plate.

[0007] To achieve both paper suction and clamping functions and improve the success rate of bottom opening, the large hub center claw suction disc device also includes a center clamp paper clamping cam, a large hub suction and distribution disc device, and several sets of center claw suction and clamping assemblies. The center clamp paper clamping cam is connected to the inner side of the operating side wall panel, and the large hub suction and distribution disc device is connected to the large hub main shaft and located on the outer side of the operating side wall panel.

[0008] The large hub wheel outer circle is provided with several large hub wheel air inlet parts along the circumference, and the center claw air suction and paper clamping assembly includes an air suction plate, a center clamp core shaft, a center clamp assembly, a cam crankshaft, a shaft bearing and a return device. The air suction plate is arranged on the large hub wheel air inlet part of the large hub wheel, and the outer circumference of the operating side center clamp web plate is provided with several operating side core shaft connecting parts extending toward the operating side wall panel, and the transmission side center clamp web plate is extended toward the transmission side wall panel. The operating side core shaft connecting part and the transmission side core shaft connecting part are correspondingly arranged, and the center clamp core shaft is sleeved in the operating side core shaft connecting part and the transmission side core shaft connecting part, the center clamp assembly is connected to the center clamp core shaft and can rotate with the center clamp core shaft, and the center clamp assembly is correspondingly arranged above the air suction plate and cooperates with the air suction plate to realize the paper clamping function.

[0009] In order to achieve the paper clamping function while making the structure as compact as possible, the center clamp assembly further includes a center claw and a center clamp fixing seat, the center clamp fixing seat is connected to the middle position of the center clamp core shaft and can rotate with the center clamp core shaft, and the center claw is connected to the center clamp fixing seat.

[0010] The cam crankshaft is connected to the center clamp core shaft close to one end of the operating side wall panel and can drive the center clamp core shaft to rotate. The shaft bearing is connected to the cam crankshaft and its rolling body is against the working surface of the center clamp paper clamping cam. The cam crankshaft, shaft bearing and center clamp paper clamping cam are used together to enable the center clamp core shaft to drive the center clamp fixing seat and the center claw to rotate, thereby opening the center claw.

[0011] The return device is connected to the side of the center clamp core shaft close to the transmission side wall plate, and is used to drive the center clamp core shaft to drive the center clamp fixing seat and the center claw to return, so that the opened center claw is closed to clamp the paper.

[0012] In order to achieve the above functions, the return device further includes a torsion spring fixing sleeve and a torsion spring, the torsion spring fixing sleeve is connected to the end of the center clamp core shaft close to the transmission side wall panel, the torsion spring sleeve is arranged on the center clamp core shaft and the two ends are respectively connected to the torsion spring fixing sleeve and the transmission side core shaft connection part of the transmission side center clamp web plate.

[0013] In order to cooperate with the paper suction function, the large hub center claw suction disc device is further designed with the air path as described below, a plurality of air inlet holes are opened axially from the end surface inward at one end of the large hub main shaft, and a plurality of main shaft air vents are opened radially at corresponding positions on the shaft, the main shaft air vents correspond to the air inlet holes one by one and are communicated with each other, a plurality of large hub wheel air vents are opened on the large hub wheel air inlet part of the large hub wheel, a ventilation channel is opened at the bottom of the suction plate, and a plurality of groups of suction plate air holes are opened on the surface, the ventilation channel is communicated with the suction plate air holes, one end of the large hub wheel air hole is connected to the main shaft air vent on the large hub main shaft through an air pipe, and the other end is communicated with the ventilation channel.

[0014] In order to improve the bottom opening efficiency and reliability, it is preferred that the number of large hub wheel air intakes on the large hub wheel is 4 and they are evenly distributed on the outer circumference of the large hub wheel, and the central claw air suction and paper clamping components have 4 groups accordingly. Depending on actual conditions, more or fewer large hub wheel air intakes and central claw air suction and paper clamping components can also be designed.

[0015] In order to improve the paper suction efficiency, it is preferred that the number of the air inlet holes is 4 and they are evenly distributed along the circumferential direction on the end face of the large hub spindle, and the number of the spindle air vent holes is correspondingly 4. Depending on the actual situation, more or fewer air inlet holes and spindle air vent holes can also be designed.

[0016] In order to adapt to different paper bag specifications and improve the versatility of the large hub center claw suction disc device, the air hole specifications and distributions of several groups of the suction plates are different.

[0017] The beneficial effects of the present invention are as follows: the large hub center claw suction disc device realizes the function of adsorbing paper bags by designing a suction device including a large hub wheel with a large hub wheel air intake part, a suction plate and other components, thereby greatly improving the efficiency and success rate of bottom opening; by opening several groups of air holes of different specifications on the suction plate, the product adaptability and versatility of the device are improved; by designing a cam to cooperate with the cam crankshaft and bearings for driving the movement of the central clamp assembly, the paper clamping function is cleverly and conveniently realized; in addition, the large hub center claw suction disc device has a compact structure and a high degree of automation. Description of the drawings:

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the large hub center claw suction disc device of the present invention;

[0019] Figure 2 for Figure 1 Left view of;

[0020] Figure 3 for Figure 1 A local enlarged view of point A;

[0021] Figure 4An exploded view of the large hub wheel, the operating side center clamp web, and the transmission side center clamp web of the large hub center claw suction disc device of the present invention;

[0022] Figure 5 It is a structural schematic diagram of the suction plate of the large hub center claw suction disc device of the present invention;

[0023] Figure 6-7 It is a structural schematic diagram of the large hub main shaft of the large hub center claw suction disc device of the present invention. Specific implementation method:

[0024] The preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0025] like Figure 1-4 The large hub center claw suction disc device shown includes an operating side wall panel 1, a transmission side wall panel 2, a large hub main shaft 3, a large hub transmission gear 4, a large hub wheel 5, an operating side center clamp web plate 6, a transmission side center clamp web plate 7, a center clamp paper clamping cam 10, a large hub suction distribution disc device 9 and 4 groups of center claw suction paper clamping assemblies 8.

[0026] The two ends of the large hub main shaft 3 are respectively arranged on the operating side wall panel 1 and the transmission side wall panel 2. The large hub transmission gear 4 is connected to one end of the large hub main shaft 3 and can drive the large hub main shaft 3 to rotate. The large hub wheel 5, the operating side center clamp web plate 6 and the transmission side center clamp web plate 7 are all sleeved on the large hub main shaft 3 and can rotate with the large hub main shaft 3. The operating side center clamp web plate 6 is arranged on the side of the large hub wheel 5 close to the operating side wall panel 1, and the transmission side center clamp web plate 7 is arranged on the side of the large hub wheel 5 close to the transmission side wall panel. There are 4 large hub wheel air intake parts 51 evenly distributed along the circumference on the outer circle of the large hub wheel 5. The center clamp paper clamping cam 10 is connected to the inner side of the operating side wall panel 1. The large hub suction and distribution disc device 9 is connected to the large hub main shaft 3 and is arranged on the outer side of the operating side wall panel 1.

[0027] The central claw suction and paper clamping assembly 8 includes an air suction plate 81, a central clamp core shaft 82, a central clamp assembly 83, a cam crankshaft 84, a shaft bearing 85 and a return device 86. The air suction plate 81 is arranged on the large hub wheel air inlet portion 51 of the large hub wheel 5. The outer circumference of the operating side central clamp web 6 extends toward the operating side wall panel 1 with a plurality of operating side core shaft connecting portions 61. The transmission side central clamp web 7 extends toward the transmission side wall panel 2 with a plurality of transmission side core shaft connecting portions 71. The operating side core shaft connecting portions 61 and the transmission side core shaft connection part 71 are correspondingly arranged, the center clamp core shaft 82 is sleeved in the operation side core shaft connection part 61 and the transmission side core shaft connection part 71, the center clamp assembly 83 is correspondingly arranged above the suction plate 81, the center clamp assembly 83 includes a center claw 831 and a center clamp fixing seat 832, the center clamp fixing seat 832 is connected to the middle position of the center clamp core shaft 82 and can rotate with the center clamp core shaft 82, and the center claw 831 is connected to the center clamp fixing seat 832.

[0028] The cam crankshaft 84 is connected to the end of the center clamp core shaft 82 close to the operating side wall panel 1 and can drive the center clamp core shaft 82 to rotate. The shaft bearing 85 is connected to the cam crankshaft 84 and its rolling body is against the working surface of the center clamp paper clamping cam 10. The return device 86 is connected to the side of the center clamp core shaft 82 close to the transmission side wall panel 2. The return device 86 includes a torsion spring fixing sleeve 861 and a torsion spring 862. The torsion spring fixing sleeve 861 is connected to the end of the center clamp core shaft 82 close to the transmission side wall panel 2. The torsion spring 862 is sleeved on the center clamp core shaft 82 and its two ends are respectively connected to the torsion spring fixing sleeve 861 and the transmission side core shaft connection part 71 of the transmission side center clamp web 7.

[0029] like Figure 6-7 As shown, one end of the large hub spindle 3 is provided with four air inlet holes 31 evenly distributed along the circumference of the end surface along the axial direction from the end surface inward, and four spindle air vents 32 are provided in the radial direction at the corresponding positions on the shaft. The spindle air vents 32 correspond to the air inlet holes 31 one by one and are connected. The large hub wheel air inlet portion 51 of the large hub wheel 5 is provided with a plurality of large hub wheel air vents 511, as shown in FIG. Figure 3 and Figure 5 As shown, a ventilation channel 811 is provided at the bottom of the air suction plate 81, and several groups of air suction plate holes 812 with different specifications and distributions are provided on the surface. The ventilation channel 811 is communicated with the air suction plate holes 812, and one end of the large hub wheel ventilation hole 511 is connected to the main shaft ventilation hole 32 on the large hub main shaft 3 through an air pipe, and the other end is communicated with the ventilation channel 811.

[0030] The working principle of the large hub center claw suction disk device is as follows: when the paper bag comes over, the center clamp paper clamping cam 10 rotates, the shaft bearing 85 on the cam crankshaft 84 contacts the working surface of the center clamp paper clamping cam 10 and moves under the action of the center clamp paper clamping cam 10, and the center claw 831 opens; the suction channel composed of the air inlet hole 31 and the main shaft vent hole 32 on the large hub main shaft 3 is connected, and connected to the ventilation channel 811 on the suction plate 81.

[0031] According to the different specifications of the paper bags, the air holes 812 of the air suction plate 81 at the appropriate positions are selected, and the other unused air holes 812 of the air suction plate are blocked with screws. The air holes 812 of the air suction plate in the working state absorb air and absorb the paper of the lower layer of the paper bag; then the central clamp paper clamping cam 10 rotates to a certain angle, the shaft bearing 85 on the cam crankshaft 84 disengages the central clamp paper clamping cam 10, and the central claw 831 returns to its position under the action of the torsion spring 862, clamping the paper of the lower layer of the paper bag, which provides convenience for subsequent weaving, thereby improving weaving efficiency and automation.

[0032] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "side", "end", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limiting the present invention.

[0033] In addition, in the description of the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "set," and "provided with" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention in specific circumstances.

[0034] Finally, it should be noted that the above embodiments are only specific implementation methods of the present invention, which are used to illustrate the technical solutions of the present invention, rather than to limit them. The scope of protection of the present invention is not limited thereto. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that any person skilled in the art can modify or easily conceive of changes to the technical solutions described in the above embodiments within the technical scope disclosed by the present invention, or replace some of the technical features therein with equivalents. Such modifications, changes or replacements do not deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A large hub center claw suction disc device, characterized in that: It includes an operating side wall panel, a transmission side wall panel, a large hub main shaft, a large hub transmission gear, a large hub wheel, an operating side center clamp web plate, a transmission side center clamp web plate, a center clamp paper clamping cam, a large hub suction and distribution disc device and several sets of center claw suction and paper clamping components. The two ends of the large hub main shaft are respectively arranged on the operating side wall plate and the transmission side wall plate. The large hub transmission gear is connected to one end of the large hub main shaft and can drive the large hub main shaft to rotate. The large hub wheel, the operating side center clamp web plate and the transmission side center clamp web plate are all sleeved on the large hub main shaft and can rotate with the large hub main shaft. The operating side center clamp web plate is arranged on the side of the large hub wheel close to the operating side wall plate, and the transmission side center clamp web plate is arranged on the side of the large hub wheel close to the transmission side wall plate. The outer circle of the large hub wheel is provided with a plurality of large hub wheel air intake parts along the circumference. The center clamp paper clamping cam is connected to the inner side of the operating side wall plate. The large hub suction and distribution disc device is connected to the large hub main shaft and is arranged on the outer side of the operating side wall plate. The center claw suction paper clamping assembly includes an suction plate, a center clamp core shaft, a center clamp assembly, a cam crankshaft, a shaft bearing and a return device. The suction plate is arranged on the large hub wheel air inlet portion of the large hub wheel. A plurality of operation side core shaft connecting portions are extended on the outer circumference of the operation side center clamp web toward the operation side wall panel. A plurality of transmission side core shaft connecting portions are extended on the transmission side center clamp web toward the transmission side wall panel. The operation side core shaft connecting portion and the transmission side core shaft connecting portion are correspondingly arranged. The center clamp core shaft is sleeved on the The center clamp assembly is connected to the center clamp core shaft in the operating side core shaft connection part and the transmission side core shaft connection part and can rotate with the center clamp core shaft. The center clamp assembly is correspondingly arranged above the suction plate. The cam crankshaft is connected to the center clamp core shaft close to one end of the operating side wall plate and can drive the center clamp core shaft to rotate. The shaft bearing is connected to the cam crankshaft and its rolling body abuts against the working surface of the center clamp paper clamping cam. The return device is connected to the side of the center clamp core shaft close to the transmission side wall plate. The center clamp assembly includes a center claw and a center clamp fixing seat. The center clamp fixing seat is connected to the middle of the center clamp core shaft and can rotate with the center clamp core shaft. The center claw is connected to the center clamp fixing seat. The return device includes a torsion spring fixing sleeve and a torsion spring, wherein the torsion spring fixing sleeve is connected to one end of the central fixture core shaft close to the transmission side wall plate, and the torsion spring sleeve is arranged on the central fixture core shaft and the two ends are respectively connected to the torsion spring fixing sleeve and the transmission side core shaft connection part of the transmission side central fixture web plate. One end of the large hub main shaft is provided with a plurality of air inlet holes axially inwardly from the end face, and a plurality of main shaft air vents are provided radially at corresponding positions on the shaft. The main shaft air vents correspond to and are communicated with the air inlet holes one by one. A plurality of large hub wheel air vents are provided on the large hub wheel air inlet portion of the large hub wheel. A ventilation channel is provided at the bottom of the air intake plate, and a plurality of groups of air intake plate air holes are provided on the surface. The ventilation channel is communicated with the air intake plate air holes. One end of the large hub wheel air hole is connected to the main shaft air vent on the large hub main shaft through an air pipe, and the other end is communicated with the ventilation channel.

2. The large hub center claw suction disc device according to claim 1, characterized in that: The number of the large hub wheel air inlet parts on the large hub wheel is 4 and they are evenly distributed on the outer circumference of the large hub wheel, and the corresponding number of the central claw suction and paper clamping components is 4.

3. The large hub center claw suction disc device according to claim 1, characterized in that: The number of the air inlet holes is 4 and they are evenly distributed along the circumferential direction on the end face of the large hub spindle, and the number of the spindle ventilation holes is correspondingly 4.

4. The large hub center claw suction disc device according to claim 1, characterized in that: The air hole specifications and distributions of the several groups of air intake plates are different.

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