CN109422113B - Grabbing rod for film-shaped materials - Google Patents
Grabbing rod for film-shaped materials Download PDFInfo
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- CN109422113B CN109422113B CN201710783098.6A CN201710783098A CN109422113B CN 109422113 B CN109422113 B CN 109422113B CN 201710783098 A CN201710783098 A CN 201710783098A CN 109422113 B CN109422113 B CN 109422113B
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- rod
- bar
- rod body
- grabbed
- grabbing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/26—Separating articles from piles by separators engaging folds, flaps, or projections of articles
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Abstract
The invention discloses a grabbing rod for film-shaped materials, which comprises: the rod body is connected to the driving mechanism and can extend forwards or retract backwards under the action of the driving mechanism; the clamp body can move towards the oblique front of the rod body and reset so as to stretch into and withdraw from the grabbed material to grab the tail end of the grabbed material, and the front end face of the rod body is matched with the clamp body and used for grasping the tail end of the grabbed material. The grabbing rod provided by the invention can obviously improve the grabbing success rate, and the grabbing position can be controlled near the outermost layer of the grabbed material, so that the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of automatic machining, in particular to a grabbing rod for a film-shaped material.
Background
In automated machining processes, it is often necessary to grasp and tear off the outermost layer of a laminated film-like material, such as a laminated cloth/towel/plastic film. In particular, in the processing of artificial casings for automatic filling machines, it is often necessary to grasp the end of the casing, which is in the form of an organ and is contracted into a hollow cylinder, for a certain distance, in order to facilitate the subsequent treatment of the end of the casing, such as knotting, twisting into a rope or folding.
However, the grabbing effect of the existing grabbing rod on the casing-shrinking casing is not good, and the situation that grabbing is unsuccessful or multiple layers of casings are grabbed can often occur, so that the tail end of the casing-shrinking casing cannot be subsequently treated, and the casing processing efficiency is affected.
Therefore, a grabbing rod with high automation degree and good grabbing effect is needed.
Disclosure of Invention
Aiming at the defect of poor grabbing effect of the grabbing rod in the prior art, the invention provides the grabbing rod to solve the technical problem that grabbing is unsuccessful or multiple layers of materials are grabbed.
The technical scheme provided by the invention for the technical problem is as follows:
in one aspect, a grab bar is provided, comprising: the rod body is connected to the driving mechanism and can extend forwards or retract backwards under the action of the driving mechanism; the clamp body can move towards the oblique front of the rod body and reset so as to stretch into and withdraw from the material to be grabbed to grab the tail end of the material to be grabbed, and the front end face of the rod body is matched with the clamp body and used for grasping the tail end of the material to be grabbed.
Preferably, the grabbed materials are laminated film-shaped materials, and the tail end is 1-5 outermost layers of the film-shaped materials.
Preferably, the clamp body is L-shaped and comprises a transverse portion parallel to the rod body and a vertical portion perpendicular to the rod body, when the clamp body extends into a material to be grabbed, the vertical portion is in contact with the material to be grabbed, a coupling plane is arranged on one side, close to the rod body, of the vertical portion, and the coupling plane is matched with the front end face of the rod body and used for pressing the tail end of the material to be grabbed.
Preferably, the rod body is provided with an accommodating groove corresponding to the transverse portion.
Preferably, the front end of the rod body is provided with a sliding cavity which is obliquely arranged, a sliding rod is slidably arranged in the sliding cavity, and the sliding rod is connected with the transverse part of the clamp body, so that the clamp body is driven to move towards the oblique front of the rod body and reset.
Preferably, an acute angle or wedge-shaped structure is formed at the connection of the end face of the vertical part contacting the gripped material and the coupling plane.
Preferably, the end surface of the vertical part contacting the gripped material is a spherical surface, a conical surface or a round table surface or a combination thereof.
Preferably, a through hole for communicating the sliding cavity with the driving mechanism is formed in the rod body.
Preferably, the grabbing bar further comprises a driving bar connected to the sliding bar for driving the sliding bar to move.
Preferably, the driving mechanism is a pneumatic or hydraulic cylinder.
The embodiment of the invention has the following beneficial effects: according to the grabbing rod provided by the invention, the grabbing effect of the grabbing rod can be obviously improved by improving the structure of the grabbing rod, the grabbing success rate is improved, and multiple layers of materials cannot be grabbed out, so that the product yield and the working efficiency are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a grab bar in a reset position according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the grab bar of FIG. 1 in an extended state;
FIG. 3 is a schematic structural view of the pliers body provided by the present invention;
fig. 4a-4c are schematic views of the pliers body provided by the present invention gripping material.
In the figure: 100-a grab bar; 200-the material to be grabbed; 10-a rod body; 20-a drive mechanism; 30-a clamp body; 40-a slide bar; 102-a front end face; 104-accommodating grooves; 106-a sliding cavity; 108-a through hole; 110-a drive rod; 302-transverse portion; 304-a vertical section; 306-a coupling plane; 308-acute angle or wedge configuration; 202-end; 204-outermost layer; 206-minor outer layer; 208-penultimate layer.
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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
If like numbers are present throughout the drawings, they represent like parts. In the specification and claims, the number of elements may be singular or plural unless explicitly limited otherwise, "a", "an", "the" or "the" does not limit the number. Also, in the specification and claims, "on …" includes "within …" and "above …" unless expressly defined otherwise. Also, headings or sub-headings may be used throughout the specification for convenience of reading, but are not intended to affect the scope of the specification.
As used in this patent, the terms "comprising," "including," "having," "with," and the like are to be construed as open-ended, i.e., meaning including, but not limited to.
The present embodiment provides a grab bar, and referring to fig. 1 and 2, the grab bar 100 includes: the rod body 10 is connected to the driving mechanism 20 and can extend forwards or retract backwards under the action of the driving mechanism 20; and the clamp body 30 is arranged at the front end of the rod body 10, the clamp body 30 can move towards the oblique front of the rod body 10 and reset so as to stretch into and withdraw from the grabbed material to grab the tail end of the grabbed material, and the front end surface 102 of the rod body 10 is matched with the clamp body 30 and used for grabbing the tail end of the grabbed material.
The gripping bar of the invention is suitable for gripping various materials, in particular for gripping stacked film-like materials, such as stacked cloth/paper towels/plastic films. Is particularly suitable for grabbing the tail end of the sausage casing which is in an organ shape and is shrunk into a hollow cylinder shape. In the process of processing artificial sausage casing by using an automatic filling machine, the tail end of the shrink-fit sausage casing is often required to be grabbed out for a certain distance.
Specifically, in operation, the rod 10 is driven by the driving mechanism 20 to extend forward to the end of the material to be gripped. The clamp body 30 moves obliquely forward of the rod body 10 and extends into the end of the material to be gripped, such as a sleeve-type casing, to grip the end thereof. The body 30 is then retracted and engages the front face 102 of the shaft 10 to compress the end of the gripped material (e.g., casing) between the body 30 and the front face 102. Finally, the rod body 10 is retracted by the driving mechanism 20.
Further, as shown in fig. 2 and 3, the rod body 10 is shaped as a cylinder, a rectangular parallelepiped or an irregular polyhedron, however, the rod body 10 may be shaped as other suitable shapes, and is not limited thereto, the front end of the rod body 10 is provided with the caliper body 30, the caliper body 30 is shaped as L, and includes a lateral portion 302 parallel to the rod body 10 and a vertical portion 304 perpendicular to the grasping rod 10, the caliper body 30 can move obliquely forward of the rod body 10 and be reset, and the caliper body 30 can extend obliquely upward beyond the front end surface 102 of the rod body 10.
Further, as shown in fig. 3 and 4a-4c, the surface of the vertical portion 304 facing away from the front end surface 102 has a three-dimensional structure with a certain gradient, such as a spherical surface, a conical surface, or a truncated cone surface, or a combination thereof. Of course, the surface of the stem 304 may have other shapes, such as a cone-like surface, a sphere-like surface, etc. The surface of the riser 304 adjacent the front face 102 is a coupling plane 306. The coupling plane 306 cooperates with the front end face 102 of the stick body 10 for pressing the end 202 of the gripped material 200. An acute angle or wedge-shaped structure 308 is formed at the junction of the end face of the upright portion 304 contacting the gripped material 200 and the coupling plane 306. As shown in fig. 4a to 4c, when the pincer body 30 is inserted into the laminated film-like material 200, the outer layer of the laminated film-like material 200 is stretched around the vertical portion 304 under the pressing of the vertical portion 304, and is very easily inserted into the space between the vertical portion 304 and the front end face 102 by the acute angle or wedge-shaped structure 308, thereby being clamped between the coupling plane 306 and the front end face 102. Generally, the outermost 1-5 layers of the laminated film-like material 200 can be precisely grasped using the grasping bar provided in the present application. In most cases, the grasping rod provided by the present invention can grasp the outermost layer 204, the second outermost layer 206, or the penultimate layer 208 of the laminated film-like material 200. It will be appreciated that in the present invention, the number of layers that are gripped by the gripping bar is related to the force of the vertical portion 304 on the film material 200 and the thickness and softness of the material 200 itself. The thinner or softer the material, the harder it is for existing gripping devices to grip the outermost layer 204. However, the present invention can control the force of the vertical portion 304 on the material 200 by the drive mechanism and achieve precise gripping of the outermost layer of the material 200 by the cooperation of the acute angle or wedge-shaped structure 308. Therefore, the grabbing rod can accurately control the grabbing position of the grabbed material, avoid grabbing multiple layers of materials, waste materials and influence on accurate execution of subsequent processes. Of course, the end face structure of the vertical portion 304 of the caliper body 30 is not limited to the arcuate face. The shape of the end face of the vertical portion 304 can be modified or substituted by equivalent means without creative efforts by those skilled in the art under the teaching of the present invention, but it is within the scope of the present invention as long as the technical effect same as the present application is achieved.
Further, as shown in fig. 2, the front end of the rod body 10 is provided with an accommodating groove 104 corresponding to the transverse portion 302. When the pincer 30 is reset, the horizontal portion 302 is received in the receiving groove 104, and the coupling plane 306 of the vertical portion 304 is tightly engaged with the front end surface of the rod 10, so that the rod 10 and the pincer 30 form a complete structure, such as a cylinder.
Further, as shown in fig. 2, the front end of the rod body 10 is provided with a sliding cavity 106 which is obliquely arranged, and the sliding rod 40 is slidably arranged in the sliding cavity 106. The slide bar 40 is connected to one end of the lateral portion 302 of the pincer body 30, so as to drive the pincer body 30 to move towards the oblique front of the rod 10 and reset. The other end of the transverse portion 302 is connected to the vertical portion 304. A through hole 108 is formed in the rod body 10 to communicate the sliding cavity 106 with the driving mechanism 20. Therefore, the driving mechanism 20 can drive the sliding rod 40 to move obliquely upward and reset, thereby driving the pincer body 30 to move obliquely upward and reset the rod 10. Of course, in another embodiment of the present invention, as shown in fig. 4a-4c, the sliding rod 40 can also be directly connected to the driving rod 110, and can be driven by the driving rod 110 to move and reset obliquely upward, so as to drive the forceps body 30 to move and reset obliquely upward from the rod body 10. In another embodiment of the present invention, the driving rod 110 can be used to drive the pincer body 30 to move obliquely upward from the rod 10, and after the pincer body 30 enters the material 200, the rod 10 can be driven by the driving mechanism 20 to move toward the pincer body 30, so as to clamp the end of the material 200 between the front end surface 102 and the coupling plane 306.
Further, in the present invention, the driving mechanism 20 may be a cylinder or a hydraulic cylinder. Of course, the driving mechanism may also be other suitable devices, such as a spring driving device, a rack driving device, etc., as long as the rod 10 can be driven to extend forward or retract backward, and is not limited herein.
In one application scenario of the invention, the gripped material is a sleeve-shrink sausage casing. According to the inherent structural characteristics of the casing sleeve, the casing sleeve is formed by compression molding of a casing in a spiral spring shape or an organ shape, and an outermost layer of casing is always attached to the arc-shaped end face of the clamp body on the end face. In the scheme, no matter whether the tail end of the casing shrinkage casing barrel is provided with an exposed casing or not, the clamp body 30 can accurately clamp and pull out the casing shrinkage casing barrel from the tail end of the casing shrinkage casing barrel. The arc-shaped edge of the clamp body 30 and the front end face 102 of the rod body 10 are matched and meshed with the edge of the tail end of the casing sleeve, when the clamp body 30 is inserted, the casing sleeve can be clamped by the clamp body 30, and therefore the phenomenon that clamping of equipment is missed is guaranteed.
In the existing general equipment, once the sausage is missed, manual supplement is usually needed for processing, so that on one hand, manpower is occupied, the cost is increased, on the other hand, the length of the pulled sausage casing is inconsistent due to manual processing, and the uncertainty of the product quality is increased; moreover, once the multilayer casings are missed or clamped, the subsequent processes are automatically carried out, which often causes the damage of the casings and the waste of the casings.
It will be appreciated that the gripping bar provided by the invention may be implemented as a separate product, but also as part of other processing equipment, including sausage casing production equipment, such as a part of a twisting, knotting or sealing machine. The protective scope of the invention is not affected by the specific product into which the grab bar of the invention is implemented.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A grab bar, comprising:
the rod body is connected to the driving mechanism and can extend forwards or retract backwards under the action of the driving mechanism; and
the clamp body is L-shaped and comprises a transverse portion parallel to the rod body and a vertical portion perpendicular to the rod body, the clamp body can move towards the oblique front of the rod body and reset so as to extend into and withdraw from the grabbed material to grab the tail end of the grabbed material, the vertical portion is in contact with the grabbed material, the front end face of the rod body is matched with the clamp body and used for grabbing the tail end of the grabbed material, a coupling plane is arranged on one side, close to the rod body, of the vertical portion and matched with the front end face of the rod body and used for pressing the tail end of the grabbed material, and an acute angle or wedge-shaped structure is formed at the joint of the end face, in contact with the grabbed material, of the vertical portion and the coupling plane.
2. The grab bar of claim 1, wherein the grabbed material is a laminated film-like material, and the end is an outermost 1-5 layers of the film-like material.
3. The grab bar of claim 1, wherein the bar body is provided with a receiving slot corresponding to the cross portion.
4. The grabbing rod as claimed in claim 1, wherein the front end of the rod body is provided with an obliquely arranged sliding cavity, a sliding rod is slidably arranged in the sliding cavity, and the sliding rod is connected with the transverse portion of the pincer body so as to drive the pincer body to move towards the oblique front of the rod body and reset.
5. The gripping bar of claim 1, wherein the end surface of the vertical portion contacting the gripped material is a spherical surface, a conical surface, a round table surface, or a combination thereof.
6. The grab bar of claim 4, wherein a through hole is formed in the bar body to communicate the slide chamber with the drive mechanism.
7. The grab bar of claim 4, further comprising a drive bar connected to the slide bar for driving the slide bar in motion.
8. The grab bar of claim 1, in which the drive mechanism is a pneumatic or hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710783098.6A CN109422113B (en) | 2017-09-03 | 2017-09-03 | Grabbing rod for film-shaped materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710783098.6A CN109422113B (en) | 2017-09-03 | 2017-09-03 | Grabbing rod for film-shaped materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109422113A CN109422113A (en) | 2019-03-05 |
| CN109422113B true CN109422113B (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710783098.6A Active CN109422113B (en) | 2017-09-03 | 2017-09-03 | Grabbing rod for film-shaped materials |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5971842A (en) * | 1997-05-23 | 1999-10-26 | Townsend Engineering Company | Meat emulsion pump control system for meat encasing machine, and method of use thereof |
| JP2009018379A (en) * | 2007-07-12 | 2009-01-29 | Kuroda Pneumatics Ltd | Chucking device of bar-shaped member |
| CN202668556U (en) * | 2012-07-09 | 2013-01-16 | 阮志才 | Shoe covering machine and mechanical arm device thereof |
| CN203778635U (en) * | 2014-04-16 | 2014-08-20 | 青岛科力达机械制造有限公司 | Novel telescopic clamp |
| CN206029896U (en) * | 2016-12-15 | 2017-03-22 | 赵书畅 | Robot |
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| CN109422113A (en) | 2019-03-05 |
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