Cam needle roller

Abstract

The utility model relates to a cam needle roller, which comprises a roller, a shaft, a first end cover, a second end cover and a plurality of groups of telescopic probe units, the first end cover is fixed at one end of the roller, and the second end cover is fixed at the other end of the roller; the shaft passes through the centers of the first end cap and the second end cap. The telescopic probe unit is arranged inside the roller, the telescopic probe unit is arranged on the shaft, pin holes are formed in the roller, the pin holes are symmetrically distributed in four rows, and a plurality of pin holes contained in each row are distributed in the axial direction of the roller. The needle-shaped parts of the telescopic probe units can pop out of the roller through the corresponding needle holes; and the roller is driven to rotate by external power equipment. The needle-shaped parts of the cam needle roller and the telescopic probe unit can pop out of the roller through the corresponding needle holes to penetrate into a packaging bag to complete grabbing, after the roller drives the packaging bag to rotate by a certain angle, the needle-shaped parts of the telescopic probe unit retract to be separated from the packaging bag, and the packaging bag falls to a designated position and cannot be wound on the roller.

Description

TECHNICAL FIELD

[0001] The utility model relates to ton bag unpacking equipment technical field, especially a cam needle roller. BACKGROUND

[0002] Tons bag is common material in production, and tons bag is often used for packing production raw materials. When feeding, the tons bag needs to be placed on the unpacking machine for unpacking and discharging. After the unpacking machine unpacks and discharges the tons bag, the packing bag of the tons bag is output outward through the conveying roller. The existing tons bag packing bag conveying roller is provided with a plurality of needle-shaped structures on the outer side, which penetrates into the packing bag through the needle-shaped structure, and then rotates the conveying roller to take out the packing bag outward. The needle-shaped structure on the existing tons bag packing bag conveying roller is a fixed structure, which can easily wrap the packing bag on the conveying roller during conveying the packing bag, seriously affecting the normal operation of the unpacking machine. SUMMARY

[0003] Based on the above description, the utility model provides a cam needle roller to solve the technical problem that the packing bag is easily wrapped on the conveying roller during conveying the tons bag packing bag, affecting the normal operation of the unpacking machine.

[0004] The technical scheme for solving the above technical problem is as follows:

[0005] A cam needle roller comprises a roller, a shaft, a first end cover, a second end cover and a plurality of telescopic probe units.

[0006] The first end cover is fixed at one end of the roller, and the second end cover is fixed at the other end of the roller. The shaft passes through the centers of the first end cover and the second end cover.

[0007] The telescopic probe unit is arranged inside the roller, and the telescopic probe unit is arranged on the shaft. The roller is provided with needle holes, and four rows of needle holes are symmetrically distributed. A plurality of needle holes in each row are distributed in the axial direction of the roller. The needle-shaped part of the telescopic probe unit can pop out of the roller through the corresponding needle hole.

[0008] The roller is driven to rotate by an external power device.

[0009] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0010] Further, the telescopic probe unit comprises a cam and four groups of elastic probe assemblies. The elastic probe assembly comprises a roller, a roller mounting seat, a probe, a spring and a sleeve.

[0011] The cam is fixed on the shaft.

[0012] The outer edge of the cam is provided with a sliding groove; the roller is installed on the roller mounting seat, and the roller is arranged in the sliding groove of the corresponding cam;

[0013] The probe is fixed on the roller mounting seat; one sleeve is arranged in each needle hole, and the sleeve is fixed on the roller; one end of the probe passes through the sleeve and is arranged in the corresponding needle hole; the probe passes through the spring, one end of the spring is connected with the sleeve, and the other end of the spring is connected with the roller mounting seat.

[0014] Further, a plurality of the telescopic probe units are uniformly distributed on the shaft.

[0015] Further, the sprocket and the sprocket mounting seat are further included.

[0016] The sprocket is fixed on the sprocket mounting seat, and the sprocket mounting seat is fixed on the first end cover; the shaft passes through the sprocket mounting seat and the sprocket.

[0017] The sprocket is connected with the motor through a transmission chain.

[0018] Further, the bearing assembly is further included; the bearing assembly is fixed on the second end cover, and the shaft passes through the bearing assembly and is rotatably connected with the inner end of the bearing assembly.

[0019] Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:

[0020] The first end cover is fixed on one end of the roller, and the second end cover is fixed on the other end of the roller; the shaft passes through the centers of the first end cover and the second end cover. The telescopic probe unit is arranged inside the roller, the telescopic probe unit is arranged on the shaft, the needle hole is arranged on the roller, the needle holes are symmetrically distributed in four rows, and a plurality of needle holes in each row are distributed in the axial direction of the roller; the needle-shaped part of the telescopic probe unit can be popped out to the outside of the roller through the corresponding needle hole. The roller is driven to rotate by an external power equipment. The cam needle roller is provided with the telescopic probe unit, the needle-shaped part of the telescopic probe unit can be popped out to the outside of the roller through the corresponding needle hole to complete the grabbing of the packaging bag, the needle-shaped part of the telescopic probe unit is retracted and separated from the packaging bag after the roller drives the packaging bag to rotate by a certain angle, the packaging bag falls to a specified position, and the packaging bag will not be wound on the roller, so that the normal operation of the unpacking machine can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The utility model provides a cam needle roller external structure schematic view for the embodiment of the utility model;

[0022] Figure 2The utility model provides a cam needle roller internal structure schematic view for the embodiment of the utility model.

[0023] Figure 3 The utility model provides a telescopic probe unit structure schematic view for the embodiment of the utility model.

[0024] In the drawings, the component list represented by each sign is as follows:

[0025] 1-roller, 2-shaft, 3-first end cover, 4-second end cover, 5-sprocket mounting seat, 6-sprocket, 7-bearing assembly, 8-telescopic probe unit, 81-cam, 82-slotted guide, 83-roller, 84-roller mounting seat, 85-probe, 86-spring, 87-sleeve. DETAILED DESCRIPTION

[0026] In order to facilitate understanding of the utility model, the utility model will be described more comprehensively below with reference to relevant drawings. The drawings show the embodiments of the utility model. However, the utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model.

[0028] It can be understood that spatial relationship terms such as "under", "below", "lower", "underneath", "on", "upper" and the like, can be used herein for describing the relationship between one element or feature and another element or feature as shown in the figures. It should be understood that, in addition to the orientation shown in the figures, the spatial relationship terms also include different orientations of the device in use and operation. For example, if the device in the figure is turned over, the element or feature described as "below" or "under" or "under" the other element will be oriented "on" the other element or feature. Therefore, the exemplary terms "below" and "under" can include both the upper and lower orientations. In addition, the device can also include another orientation (such as 90 degrees or other orientations), and the spatial description used herein is interpreted accordingly.

[0029] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to another element, or connected to another element through a central element.

[0030] As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. It will be further understood that the terms "comprises", "comprising", "includes" and / or "including", or the like, when used in this specification, specify the presence of stated features, integers, steps, operations, elements, components, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

[0031] Referring to Figure 1 and Figure 2 , the utility model embodiment provides a kind of cam needle roller, it mainly includes: roller 1, shaft 2, first end face cover 3, second end cover 4 and multiple groups of telescopic probe 85 unit 8.First end face cover 3 is fixed in one end of roller 1, and second end cover 4 is fixed in the other end of roller 1;Shaft 2 passes through the center of first end face cover 3 and second end cover 4, and roller 1 can rotate relative to shaft 2.Telescopic probe 85 unit 8 is arranged inside roller 1, and multiple telescopic probe 85 unit 8 are evenly distributed on shaft 2.Needle hole is opened on roller 1, and four rows are symmetrically distributed in needle hole, and multiple needle holes contained in each row are distributed upward on shaft 2 of roller 1.Needle-shaped part of telescopic probe 85 unit 8 can be ejected to the outside of roller 1 through corresponding needle hole, for piercing into the packaging bag of ton bag.Roller 1 is driven to rotate by external power equipment.

[0032] Specifically, referring to Figure 2 and Figure 3 , telescopic probe 85 unit 8 includes: cam 81 and four groups of elastic probe 85 components.Elastic probe 85 components include: roller 83, roller mounting seat 84, probe 85, spring 86 and sleeve 87.Cam 81 is fixed on shaft 2, and the outer edge of cam 81 is provided with sliding groove 82;Roller 83 is installed on roller mounting seat 84, and roller 83 is arranged in corresponding sliding groove 82 of cam 81, and sliding groove 82 has the guiding and limiting effect on roller 83.Probe 85 is fixed on roller mounting seat 84;Each needle hole is provided with a sleeve 87, and the sleeve 87 is fixed on the roller 1.One end of the probe 85 passes through the sleeve 87 and is arranged in the corresponding needle hole.Probe 85 passes through spring 86, one end of spring 86 is connected with sleeve 87, and the other end of spring 86 is connected with roller mounting seat 84.

[0033] In order to facilitate the connection between roller 1 and external power equipment, a preferred scheme of the utility model further provides: chain wheel 6 and chain wheel mounting seat 5.Chain wheel 6 is fixed on chain wheel mounting seat 5, and chain wheel mounting seat 5 is fixed on first end face cover 3;Shaft 2 passes through chain wheel mounting seat 5 and chain wheel 6.Chain wheel 6 is connected with motor through transmission chain.

[0034] The utility model provides a preferred scheme further includes: bearing assembly 7. Bearing assembly 7 is fixed on the second end cover 4, and the shaft 2 passes through bearing assembly 7 and is rotatably connected with the inner end of bearing assembly 7.

[0035] Referring to Figures 1-3 When working, the roller 1 is driven to rotate by the external power equipment, and the probe 85 and the roller mounting seat 84 are synchronously rotated in the process of rotation of the roller 1, and the roller 83 moves along the sliding groove 82 under the driving of the roller mounting seat 84. When the roller 83 contacts the flange of the cam 81, the corresponding spring 86 is compressed, the probe 85 is pushed outwards by the cam 81, the probe 85 extends out of the roller 1 to pierce into the packaging bag, and the roller 1 drives the packaging bag to rotate to pull the packaging bag forward by a certain distance. After the roller 1 rotates by a certain angle, the roller 83 contacts the concave edge of the cam 81, the corresponding spring 86 resets, the probe 85 is retracted into the needle hole, and the probe 85 is separated from the packaging bag to release the packaging bag to fall.

[0036] The technical scheme provided by the utility model embodiment has at least the following beneficial technical effects or advantages:

[0037] The utility model discloses a cam needle roller, the first end cover is fixed at one end of the roller, and the second end cover is fixed at the other end of the roller. The shaft passes through the center of the first end cover and the second end cover. The telescopic probe unit is arranged inside the roller, and the telescopic probe unit is arranged on the shaft. The roller is provided with a plurality of needle holes, and the needle holes are symmetrically distributed in four rows. The needle-shaped part of the telescopic probe unit can be popped out of the roller through the corresponding needle hole. The roller is driven to rotate by the external power equipment. The cam needle roller is provided with the telescopic probe unit, and the needle-shaped part of the telescopic probe unit can be popped out of the roller through the corresponding needle hole to pierce into the packaging bag to complete the grabbing. After the roller drives the packaging bag to rotate by a certain angle, the needle-shaped part of the telescopic probe unit is retracted and separated from the packaging bag. The packaging bag falls to the specified position, and the packaging bag will not be wound on the roller, so that the normal operation of the unpacking machine can be ensured.

[0038] The above only describes the preferred embodiments of the utility model, and does not limit the utility model. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A camming pin roller characterized by: The utility model relates to a kind of flexible probe units, including: Roller, shaft, first end cover, second end cover and multiple groups of flexible probe units; The first end cover is fixed at one end of the roller, and the second end cover is fixed at the other end of the roller;The shaft passes through the center of the first end cover and the second end cover; The flexible probe units are arranged inside the roller, and the flexible probe units are arranged on the shaft, the roller is provided with needle holes, and four columns of needle holes are symmetrically distributed;Each column contains multiple needle holes distributed in the axial direction of the roller; The needle-shaped part of the flexible probe unit can be ejected outside the roller through the corresponding needle hole; The roller is driven to rotate by external power equipment.

2. The camming pin roller of claim 1, wherein: The flexible probe unit includes a cam and four groups of elastic probe assemblies;The elastic probe assembly includes a roller, a roller mounting seat, a probe, a spring and a sleeve; The cam is fixed on the shaft; The outer edge of the cam is provided with a sliding groove;The roller is mounted on the roller mounting seat, and the roller is arranged in the sliding groove of the corresponding cam; The probe is fixed on the roller mounting seat;Each needle hole is provided with a sleeve corresponding to it, and the sleeve is fixed on the roller;One end of the probe passes through the sleeve and is arranged in the corresponding needle hole;The probe passes through the spring, one end of the spring is connected with the sleeve, and the other end of the spring is connected with the roller mounting seat.

3. The camming pin roller of claim 1, wherein: Multiple flexible probe units are uniformly distributed on the shaft.

4. The camming pin roller of claim 1, wherein: Further comprising: A sprocket and a sprocket mounting seat; The sprocket is fixed on the sprocket mounting seat, and the sprocket mounting seat is fixed on the first end cover;The shaft passes through the sprocket mounting seat and the sprocket; The sprocket is connected with the motor through a transmission chain.

5. The camming pin roller of claim 1, wherein: Further comprising: A bearing assembly;The bearing assembly is fixed on the second end cover, and the shaft passes through the bearing assembly and is rotatably connected with the inner end of the bearing assembly.

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